KR20170089565A - Manufacturing method of trim molding for motor - Google Patents

Manufacturing method of trim molding for motor Download PDF

Info

Publication number
KR20170089565A
KR20170089565A KR1020160009928A KR20160009928A KR20170089565A KR 20170089565 A KR20170089565 A KR 20170089565A KR 1020160009928 A KR1020160009928 A KR 1020160009928A KR 20160009928 A KR20160009928 A KR 20160009928A KR 20170089565 A KR20170089565 A KR 20170089565A
Authority
KR
South Korea
Prior art keywords
molding
stainless steel
injection
resin
resin molded
Prior art date
Application number
KR1020160009928A
Other languages
Korean (ko)
Inventor
김안수
Original Assignee
주식회사 씨제이프로텍
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 씨제이프로텍 filed Critical 주식회사 씨제이프로텍
Priority to KR1020160009928A priority Critical patent/KR20170089565A/en
Publication of KR20170089565A publication Critical patent/KR20170089565A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14467—Joining articles or parts of a single article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/04—External Ornamental or guard strips; Ornamental inscriptive devices thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/12—Production or manufacturing of vehicle parts
    • B60Y2410/122—Plastic parts manufactured by moulding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention relates to a method of manufacturing exterior molding for a vehicle, wherein the exterior molding comprises a stainless steel plate which is press molded into a predetermined shape, and a resin molded article which is formed by synthetic resin material into a predetermined shape and is injection molded inwardly with respect to the stainless steel plate by inserting the stainless steel plate into an injection mold. Specifically, the method of the present invention comprises: a press molding step in which a stainless steel plate is press molded into a predetermined shape; an injection molding step in which the press molded stainless steel plate is injected in an injection mold to injection mold a resin molding material in a predetermined shape by synthetic resin material on the inner side of the stainless steel plate, such that when the exterior molding for a vehicle is mounted on the frame of a vehicle body of a vehicle, at least some area of the contact surface of the resin molded article being in contact with the frame of a vehicle body forms a bonding material attachment portion recessed by a predetermined depth from the surface; and an attachment step in which a bonding material is attached to the bonding material attachment portion of the injection molded resin molded article. Accordingly, unlike conventional two-step insert injection molding methods, the present invention can unify insert injection processes into a single process when manufacturing exterior molding of a vehicle, thereby simplifying the process, and can provide the exterior molding of a vehicle that can be more easily assembled with the frame of a vehicle body of a vehicle than ones provided by the conventional methods.

Description

Technical Field [0001] The present invention relates to a method for manufacturing an automotive exterior molding,

The present invention relates to a method of manufacturing an automotive exterior molding, and more particularly, to a method of manufacturing an automotive exterior molding, in which a stainless steel plate press-molded into a predetermined required shape and a stainless steel plate are inserted into an injection mold, The present invention relates to a method for manufacturing an automotive exterior molding having a resin molded product made of a synthetic resin material injection-molded inward of a stainless steel sheet

BACKGROUND OF THE INVENTION [0002] An automotive exterior molding is a type of exterior product that is coupled to the outside of a vehicle body. Typically, the automotive exterior molding includes a surrounding molding coupled to a rim of an automobile upper vehicle frame, a side molding side molding, and bumper molding coupled to an automobile bumper. Automobile exterior molding basically compensates for the clearance of the vehicle body to prevent leakage or wind noise. In addition,

It is an automobile part that can enhance the appearance of the vehicle by making the appearance more beautiful.

Meanwhile, since the method of manufacturing the surrounding molding, the side molding and the bumper molding and the products of the products manufactured by the method are almost similar, Therefore,

The exterior molding of the automobile will be described as surrounding molding for convenience of explanation.

However, it goes without saying that the following description is equally applicable to side molding and bumper molding. The surrounding molding is specifically coupled to a side panel of the vehicle body to compensate for a gap between the vehicle body frame and the door. And a sealing member 119 joined to the longitudinal edge of the stainless steel plate 110. The stainless steel plate is fixed to the side panel of the vehicle body by a fixing member (not shown).

However, in the surrounding molding for automobile according to the conventional example, the drip rail molding is manufactured by roll forming a stainless steel plate, that is, a stainless steel coil, and extruding PVC on the surface thereof, Rail Molding

Since the stainless steel coil is manufactured by press molding and PVC is injected on the surface thereof, the color of the molding surface is changed due to the difference of the stainless steel coil molding method and the difference of the raw materials of PVC classified by extrusion and injection, doing

In addition, in order to assemble the drip rail molding into the body frame, a separate drip rail is required to be mounted on the body frame by spot welding, which has a problem of deteriorating assembling performance or productivity.

Accordingly, in view of such a problem, Patent Registration No. 268836, filed by the applicant of the present invention and registered as a patent, discloses an automotive exterior molding, which is manufactured by assembling various parts manufactured by various methods, by press molding, Molding

Thereby manufacturing an integrated body.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a method of manufacturing an automotive exterior molding, which is different from the conventional first and second insert injection molding methods, It is also possible to simplify

A method for manufacturing an automotive exterior molding capable of providing an automotive exterior molding capable of facilitating the assembling of the automobile body frame to the prior art, and an automotive exterior molding manufactured thereby.

According to the present invention, the above object can be accomplished by a method of manufacturing a stainless steel sheet, comprising the steps of: pressing a stainless steel sheet into a predetermined desired shape; inserting the stainless steel sheet into an injection mold to form a synthetic resin injection- Resin of material

A method of manufacturing an automotive exterior molding having a shape, comprising: a press molding step of press-molding a stainless steel sheet into a predetermined required shape; Wherein when said automotive exterior molding is mounted on a vehicle body frame of an automobile, said resin molding

Shaped stainless steel sheet is inserted into an injection mold so as to form an adhesive-adhered seat portion in which at least a part of the contact surface of the water is recessed by a predetermined depth from the surface,

An injection molding step of injection-molding the base resin molded product with a synthetic resin material; And an attaching step of attaching an adhesive to the adhesive attaching seat of the injection-molded resin molded article.

Here, the adhesive is preferably a double-sided adhesive tape.

When the automotive exterior molding is mounted on a vehicle body frame of an automobile, the automotive exterior molding is protruded from the surface of the resin molding at predetermined intervals along the longitudinal direction of the resin molding so as to be inserted into a plurality of holes formed in a vehicle body frame of the automobile. felled

And the plurality of protruding bosses may be integrally formed by injection molding the plurality of protruding bosses simultaneously with the resin molding.

In addition, when the automotive exterior molding is mounted on a vehicle body frame of an automobile, the automotive exterior molding is protruded from the surface of the resin molding at predetermined intervals along the longitudinal direction of the resin molding so as to be inserted into a plurality of holes formed in the automobile body frame A blessing

And the injection molding step may include injection molding of the resin molding by inserting the plurality of separately formed protruding bosses together with the stainless steel sheet into an injection mold.

In addition, when the automotive exterior molding is mounted on a vehicle body frame of an automobile, the automotive exterior molding is protruded from the surface of the resin molding at predetermined intervals along the longitudinal direction of the resin molding so as to be inserted into a plurality of holes formed in the automobile body frame A blessing

Wherein the plurality of protruding bosses are formed by injection molding the resin molding so that a plurality of protruding bosses are formed on the resin molding, The boss seat portion

And a boss attaching step of attaching the boss attaching step to the boss attaching step.

In this case, the boss seat portion is an attaching protrusion protruding from the surface of the resin molded product by a predetermined depth, and the protruding boss portion is formed with a boss groove capable of engaging with the attaching protrusion, The mounting protrusions

And a step of engaging and affixing them.

Meanwhile, the automotive exterior molding is preferably any one of a surround molding coupled to a rim of an upper portion of an automobile door, a side molding coupled to an automobile door in a longitudinal direction of the automobile, and a bumper molding coupled to an automobile bumper Do.

The present invention provides an automotive exterior molding that is manufactured by the above-described manufacturing method.

The stainless steel sheet 10 generally includes a press blanking process for cutting the stainless steel sheet 10 to a predetermined size and a press forming process for slightly bending both edges in the width direction of the press blanked stainless steel sheet 10 forming process

And press-formed into a desired shape. However, it goes without saying that some processes may be added depending on the product shape.

The resin molding 20 and the protruding boss portion 40 are formed by inserting the press-formed stainless steel sheet 10 into an injection mold (not shown) and injecting a synthetic resin material into the stainless steel sheet 10 And injection molding is performed integrally. The stainless steel plate 10 and

On the opposite surface of the surface of the resin molded product 20 to be contacted, an adhesive-attaching seat portion 21 recessed by a predetermined depth is formed along the longitudinal direction of the resin molded product 20.

The double-sided adhesive tape 30 is attached to the adhesive attachment seat 21 of the resin molded product 20. At this time, one protective tape of the double-sided adhesive tape 30 is removed, and one side of the exposed adhesive tape is adhered And adheres to the seat portion (21). On the other hand, the other side of the double-sided adhesive tape 30

One of the protective tapes is removed when the automotive surround molding 1 is mounted on the vehicle body frame 3 of the automobile. The surround molding 1 for automobiles has a structure in which the other adhesive surface of the double- The body frame 3 of the automobile is adhered to the frame 3,

The protruded boss portion 40 is inserted into the position fixing hole 4 formed in advance in the automobile body frame 3 so that the double-sided adhesive tape 30 is inserted into the body frame 3 ) Surface.

A method of manufacturing a surround molding for an automobile according to an embodiment of the present invention will now be described.

First, the stainless steel sheet 10 is press-formed into a predetermined desired shape. That is, after the stainless steel sheet 10 is subjected to a press blanking process for cutting the stainless steel sheet 10 to a required size, the both sides of the stainless steel sheet 10 in the width direction of the press-

And a press forming process is performed to bend the rib slightly. Of course, depending on the product shape, additional processes may be performed in addition to these processes.

Thereafter, the press-molded stainless steel sheet 10 is inserted into an injection mold and a synthetic resin material is injected into the stainless steel sheet 10 to form a resin molding 20 having a predetermined shape and a projecting boss 40 ) At the same time.

As for the synthetic resin material used in the injection molding, in the surround molding for automobile manufactured by the conventional primary and secondary injection molding, a glass fiber is added to the polypropylene resin as the material for the primary injection molding Contained

TPE (Thermoplastic Elastomer) is used as the material for the secondary injection molding because it is made of a synthetic resin material of a relatively hard material (hard) for the primary injection molding and is used for the secondary injection molding Comparative

In the case of the present invention in which only the first injection molding is performed unlike the prior art, a synthetic resin material of a soft material (soft) is used to form a lip on the edge, Heat distortion

Soft synthetic resin with excellent corrosion resistance is used. Such synthetic resins include PVC, PU (polyurethane), polyurethane

TPU (Thermoplastic Urethane), TPR (Thermoplastic Rubber), Rubber (Rubber)

It is also possible to use a synthetic resin mixed with polyolefin and nylon.

Finally, the adhesive, that is, the double-sided adhesive tape 30, is attached to the adhesive attachment seat 21 of the resin molding 20. [ Double-sided adhesive tape

Since the protective tape is attached to both sides of the automobile body frame 30, the protective tape on one side is removed when the automobile body frame 30 is attached to the adhesive-bonded seat portion 21, When assembled, it is attached to the adhesive-adhered seat portion 21

The protective tape on the other surface of the double-sided adhesive tape 30 is removed and the protruding boss portion 40 is inserted into the position fixing hole 4 previously formed in the vehicle body frame 3 of the automobile, The surround molding 1 for automobiles is used as a vehicle car

The body frame 3 is easily assembled.

9 is a cross-sectional view of a surround molding for an automobile according to another embodiment of the present invention. In FIG. 9, the same reference numerals are used for the same components as in the above-described embodiment, and 'a' The description of the part is omitted here.

And only the other parts will be explained. 9, the automotive surround molding 1b according to another embodiment of the present invention differs from the surround molding 1 for automobile according to the embodiment described above in that the protruding boss portion 40a is made of a resin molding 20)

They are separately produced and combined without injection molding into a sieve. For this purpose, the resin molding 20 is injection-molded so as to be formed on the resin molding 20 together with the attaching protrusion or boss seat protruding from the surface by a predetermined depth,

A boss groove 41 capable of engaging with the attachment protrusion 23 is formed in the protruding boss portion 40 separately manufactured. Therefore, in the method for manufacturing the surround molding 1 for vehicles of the present embodiment, before attaching the double-sided adhesive tape 30 to the adhesive-bonded seat portion 21,

A process of attaching the protruding boss portion 40 to the boss seat portion 23, that is, the attaching protrusion 23, is added.

A step of press molding the stainless steel plate 10 into a predetermined required shape and a step of forming a resin molding 20 (20) which is in contact with the vehicle body frame 3 when the automotive surround molding 1 is mounted on the frame of the vehicle body frame 3 At least a part of the contact surface

The stainless steel sheet 10 press-molded so as to form an adhesive-adhered seat portion 21 recessed by a predetermined depth from the surface is inserted into an injection mold to form a stainless steel sheet 10 ) Of the resin molding

(20) with a synthetic resin material, and attaching the double-sided adhesive tape (30) to the adhesive attachment seat (21).

Unlike the conventional first and second insert injection molding methods, it is possible to perform one insert injection process and relatively simplify the process when manufacturing an automotive exterior molding.

In one embodiment of the above-described embodiment, the boss seat portion 23 is an attachment protrusion 23 protruding from the surface of the resin molding 20 by a predetermined depth, and the protrusion boss portion 40 is fitted with the attachment protrusion 23 The boss groove 41 of the protruding boss portion 40

The boss seat portion 23 is formed on the resin molding 20 in the form of a groove in a manner that the protruding boss portion 40 is attached to the resin molded product 20 by engaging the mounting protrusion 23 with the resin boss portion 41 The resin molding 20 is injection molded so that the boss seat portion 23 of the groove shape is formed in advance

It is of course possible to attach the manufactured protruding boss portion 40 by using an adhesive.

Although the above embodiment has been described with respect to the surround molding 1 for automobile in which the drip rail molding and the rear piece drip rail molding are integrally formed, Surround molding

It is natural that the drip rail molding 1 and the rear pierce drip rail molding may be separately molded and then assembled at the center.

As described above, according to the present invention, unlike the conventional first and second insert injection molding methods, it is possible to perform one insert injection process at the time of manufacturing an automotive exterior molding, simplify the process relatively, Assemble the body frame

There is provided a method for manufacturing an external molding for automobile which can provide an external molding for a vehicle which can be made easier than in the prior art, and an automotive exterior molding manufactured thereby.

Embodiments of the present invention can be more fully understood by reference to the appended claims.

Claims (7)

An automotive enclosure having a resin molded product made of a synthetic resin material injection molded into the stainless steel sheet in a predetermined required shape by inserting the stainless steel sheet into an injection mold, mole
A method of manufacturing a stainless steel plate, the method comprising: a press forming step of press-molding a stainless steel plate to a predetermined required shape; a step of pressing the contact surface of the resin molding contacting the car body frame Shaped stainless steel sheet is inserted into an injection mold so that at least a part of the region is recessed by a predetermined depth from the surface of the stainless steel sheet, An injection molding step of injection molding with a material; And attaching an adhesive to the adhesive attachment portion of the injection-molded resin molded product. The method according to claim 1, wherein the adhesive is a double-sided adhesive tape. The automotive vehicle body frame according to claim 1, wherein when the automotive exterior molding is mounted on a vehicle body frame of an automobile, the automotive exterior molding is mounted on the surface of the resin molded article at predetermined intervals along the longitudinal direction of the resin molded product, Wherein the plurality of protruding bosses are injection molded integrally with the resin molding together with the plurality of protruding bosses,
Wherein the outer mold is formed by molding the outer mold. The automotive vehicle body frame according to claim 1, wherein when the automotive exterior molding is mounted on a vehicle body frame of an automobile, the automotive exterior molding is mounted on the surface of the resin molded article at predetermined intervals along the longitudinal direction of the resin molded product, Wherein the plurality of protruding bosses separately manufactured are inserted into the injection mold together with the stainless steel plate to insert the bosses into the injection mold,
Wherein the step of molding the resin molded product is a step of injection molding the resin molded product. The automotive vehicle body frame according to claim 1, wherein when the automotive exterior molding is mounted on a vehicle body frame of an automobile, the automotive exterior molding is mounted on the surface of the resin molded article at predetermined intervals along the longitudinal direction of the resin molded product, Wherein the plurality of protruding boss portions are formed in the resin molding so that a plurality of protruding boss portions are formed on the resin molding,
The method as claimed in claim 1, further comprising a boss attaching step of attaching the plurality of separately formed protruding boss portions to the boss seat portion. The method according to claim 5, wherein the boss seat portion is an attaching protrusion protruding from the surface of the resin molded product by a predetermined depth, the attaching protrusion and the engageable boss groove are formed in the protruding boss portion, And attaching the mounting protrusions to the boss grooves of the main body by engaging the mounting protrusions. The automotive exterior molding according to claim 1, wherein the automotive exterior molding comprises: a surround molding coupled to a rim of an automobile upper body; a side molding coupled to the automobile door in a longitudinal direction of the automobile; and a bumper molding coupled to the automobile bumper Wherein the molding is one of the two molds.
KR1020160009928A 2016-01-27 2016-01-27 Manufacturing method of trim molding for motor KR20170089565A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160009928A KR20170089565A (en) 2016-01-27 2016-01-27 Manufacturing method of trim molding for motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160009928A KR20170089565A (en) 2016-01-27 2016-01-27 Manufacturing method of trim molding for motor

Publications (1)

Publication Number Publication Date
KR20170089565A true KR20170089565A (en) 2017-08-04

Family

ID=59654474

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160009928A KR20170089565A (en) 2016-01-27 2016-01-27 Manufacturing method of trim molding for motor

Country Status (1)

Country Link
KR (1) KR20170089565A (en)

Similar Documents

Publication Publication Date Title
CN205075903U (en) A fender that be used for vehicle external module, be used for vehicle
US7086201B2 (en) Door and/or window frame
US7810863B2 (en) Molding method, molded product and instrument panel
JP2007090987A (en) Glass run for automobile
JP7239899B2 (en) Vehicle door window seal parts
US10363887B2 (en) Glazing with extruded seal, trim and core and method for manufacturing the glazing
US20100095599A1 (en) Sealing system for vehicle door leaf, method for making same and vehicle including same
JP2008184092A (en) Door weatherstrip and its manufacturing method
KR100976742B1 (en) Extrusive product for motor vehicle and method for manufacturing said extrusive product
US8882175B2 (en) Vehicle, a door assembly for the vehicle and a method of assembling the door assembly
JP6065338B2 (en) Vehicle window plate with frame and method of assembling vehicle window plate with frame
JP2018114798A (en) Glass run for automobile
KR20170089565A (en) Manufacturing method of trim molding for motor
KR100592073B1 (en) Trim molding for motor
US8701352B2 (en) Two-shot secondary seal with clip
KR100513595B1 (en) Manufacturing method of trim molding for motor
JP2016052896A (en) Vehicle window plate with frame and assembling method of vehicle window plate with frame
KR100826680B1 (en) Trim molding for motors and the manufacturing method thereof
KR100641711B1 (en) Manufacturing Method of Trim Molding for Motor
KR100941504B1 (en) Trim molding for motors and the manufacturing method thereof
JP2009241623A (en) Fitting structure of weather strip for automobile
JP4609716B2 (en) Automotive door weather strip
JP2006123693A (en) Glass run for automobile
KR102010605B1 (en) Mounting structure of weather strip for vehicle
JP5252065B2 (en) Door weather strip