CN110722965B - Automobile external water cutting sealing strip and co-extrusion process - Google Patents
Automobile external water cutting sealing strip and co-extrusion process Download PDFInfo
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- CN110722965B CN110722965B CN201911044754.6A CN201911044754A CN110722965B CN 110722965 B CN110722965 B CN 110722965B CN 201911044754 A CN201911044754 A CN 201911044754A CN 110722965 B CN110722965 B CN 110722965B
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- sealing strip
- bright
- water cutting
- cutting sealing
- metal framework
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/80—Sealing arrangements specially adapted for opening panels, e.g. doors
- B60J10/86—Sealing arrangements specially adapted for opening panels, e.g. doors arranged on the opening panel
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/20—Sealing arrangements characterised by the shape
- B60J10/23—Sealing arrangements characterised by the shape assembled from two or more parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seal Device For Vehicle (AREA)
Abstract
The invention discloses an automobile outside water cutting sealing strip and a co-extrusion process, wherein the automobile outside water cutting sealing strip comprises an automobile door outer plate, an automobile door inner plate and automobile door glass, the automobile door inner plate is wrapped by the upper end of the automobile door outer plate, and the automobile outside water cutting sealing strip is characterized in that: the automobile door glass is in contact with the outer water cutting sealing strip, the outer water cutting sealing strip is composed of a metal framework and a coating soft rubber, the metal framework is coated by the coating soft rubber and then extruded and molded together, a decorative bright surface is formed by the part, facing the outside of the automobile, of the metal framework, and a layer of bright surface protection rubber is covered on the decorative bright surface; the cladding flexible glue is equipped with the glass flexible glue of pasting towards car inboard, has realized that crowded formula bright face extra income is cut the protection of sealing strip decorating the bright face in production and transportation, reaches the bright face extra income simultaneously and cuts the quick switch-over of sealing strip and black face extra income in the production process, improves the production efficiency that the product remodeled.
Description
Technical Field
The invention belongs to the technical field of automobile part manufacturing, and particularly relates to an automobile external water cutting sealing strip and a co-extrusion process.
Background
The outer water cutting sealing strip is one of important sealing parts of an automobile, is arranged on the outer sides of an automobile door and an automobile window, and has the functions of dust prevention, water prevention, noise prevention, appearance decoration and the like. As the appearance decoration piece, different decoration styles can be met by selecting different materials and different colors of the appearance surface, so that the requirement on the appearance is high.
The existing external water cutting sealing strip on the market mainly comprises a black decorating strip and a high-brightness decorating strip. Wherein the high-brightness decorative strip comprises a stainless steel high-brightness decorative strip, an aluminum high-brightness decorative strip and a colorful high-brightness decorative strip
According to different production processes, the water-cut bright surface can be divided into an assembly bright surface (shown in figure 1) and a co-extrusion bright surface (shown in figure 2).
The assembled bright-surface external water cutting sealing strip is formed by respectively molding the decorative bright strip and the metal framework wrapped with the soft rubber and then is assembled together, has higher relative cost and is generally applied to vehicles of some high-end brands.
The co-extrusion type bright surface external water cutting sealing strip is formed by extruding the decorative bright strip framework and the wrapping soft rubber together, and has relatively simple production process and relatively low cost.
The decorative bright surface is used as a decorative surface, the quality requirement on the surface is very high, and if the protection of the decorative bright surface of the external water cutting sealing strip is not good in the production and transportation processes, certain quality problems such as scratches and scratches can be caused on the decorative bright surface. Resulting in a decrease in production efficiency and complaints from customers.
No matter the assembled bright surface external water cutting sealing strip or the co-extruded bright surface external water cutting sealing strip, a thin protective film is adhered to the decorative surface for protection in the production and transportation processes, so that the preparation process flow is increased, and the manufacturing cost is increased.
In the production process, the production efficiency is also reduced due to the switching time of the forming dies of the bright-surface outer water cut sealing strip and the black-surface outer water cut sealing strip.
Disclosure of Invention
The invention provides an automobile outside water cut sealing strip and a co-extrusion process, which realize the protection of decorative bright surfaces of the co-extrusion type bright surface outside water cut sealing strip in the production and transportation processes, simultaneously achieve the quick switching of the bright surface outside water cut sealing strip and the black surface outside water cut sealing strip in the production process, and improve the production efficiency of product remodeling.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a sealing strip is cut to car extra income, includes door planking, door inner panel and door glass, and door planking upper end parcel lives door inner panel, its characterized in that: the automobile door glass is in contact with the outer water cutting sealing strip, the outer water cutting sealing strip is composed of a metal framework and a coating soft rubber, the metal framework is coated by the coating soft rubber and then extruded and molded together, a decorative bright surface is formed by the part, facing the outside of the automobile, of the metal framework, and a layer of bright surface protection rubber is covered on the decorative bright surface; the coated soft rubber is provided with a glass-pasted soft rubber facing the inner side of the vehicle.
Preferably, a V-shaped opening with an angle of about 30 degrees is formed at the joint of the two ends of the bright face protective glue and the coating soft glue when the mold is removed.
Preferably, the side of the glass-adhered soft rubber facing the inside of the vehicle is provided with flocking.
Preferably, the co-extrusion process of the automobile external water cut sealing strip specifically comprises the following steps,
the method comprises the following steps: determining whether a bright surface external water cutting sealing strip or a black surface external water cutting sealing strip is produced;
step two: if the bright-face external water cutting sealing strip is produced, coating adhesive liquid on the surface of the metal framework outside the area A, and after extrusion molding, firmly adhering the coated soft rubber outside the area A to the metal framework, wherein the bright-face protective glue on the area A has poor adhesion with the decorative bright face on the metal framework; if the black-surface external water-cutting sealing strip is produced, coating adhesive glue solution on the surfaces of the metal frameworks outside the area A and the area A, and firmly adhering the bright-surface protective glue on the area A and the coated soft glue outside the area A to the metal frameworks after extrusion molding;
step three: after the product is processed or assembled, tearing off the bright surface protective glue to form a bright surface external water cutting sealing strip; and forming a black-surface external water cutting sealing strip without tearing off the bright-surface protective glue.
Preferably, the adhesive glue solution is made of the same material as the coating soft glue 4, and the material is PVC, EPDM or TPE.
The beneficial effect of adopting above technical scheme is:
1. the automobile outside water cut sealing strip consists of a metal framework and a coating soft rubber, wherein the metal framework is coated by the coating soft rubber and then extruded and molded together, the part of the metal framework, facing the outside of an automobile, forms a decorative bright surface, and the decorative bright surface is coated with a layer of bright surface protective glue; a V-shaped opening with an angle of about 30 degrees is formed at the joint of the two ends of the bright face protective adhesive and the coating soft adhesive when the mold is removed, so that the bright face protective adhesive is convenient to tear off, and the coating soft adhesive part contacting with the bright face protective adhesive is prevented from being damaged.
The coated soft rubber is provided with a glass-pasted soft rubber facing the inner side of the vehicle, and the glass-pasted soft rubber is provided with flocking towards one side of the vehicle, so that the coated soft rubber is tightly attached to the vehicle door glass when no metal framework is supported.
2. A co-extrusion process for an automobile external water cutting sealing strip specifically comprises the following steps,
the method comprises the following steps: determining whether a bright surface external water cutting sealing strip or a black surface external water cutting sealing strip is produced;
step two: if the bright-face external water cutting sealing strip is produced, coating adhesive liquid on the surface of the metal framework outside the area A, and after extrusion molding, firmly adhering the coated soft rubber outside the area A to the metal framework, wherein the bright-face protective glue on the area A has poor adhesion with the decorative bright face on the metal framework; if the black-surface external water-cutting sealing strip is produced, coating adhesive glue solution on the surfaces of the metal frameworks outside the area A and the area A, and firmly adhering the bright-surface protective glue on the area A and the coated soft glue outside the area A to the metal frameworks after extrusion molding;
step three: after the product is processed or assembled, tearing off the bright surface protective glue to form a bright surface external water cutting sealing strip; forming a black-surface external water cutting sealing strip without tearing off the bright-surface protective glue;
the front ends of the group of extrusion dies are used for smearing adhesive liquid on different surfaces of the metal framework, so that a layer of bright surface protective adhesive is coated on the decorative bright surface of the metal framework, the operation of sticking a protective film on the decorative bright surface of the metal framework in the production process is eliminated, the preparation process flow is reduced, and the production cost is reduced; need not to change extrusion moulding mould, reach the bright surface extra income and cut the quick switch-over of sealing strip and black surface extra income cutting sealing strip in process of production, improve the production efficiency that the product remodeled.
Drawings
FIG. 1 is a schematic view of an assembled cross-section of an assembled bright-face external water-cut sealing strip;
FIG. 2 is a schematic view of an assembly section of a co-extrusion type bright-surface external water-cut sealing strip;
FIG. 3 is a schematic view of an assembled cross-section of the external water cut seal of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at position I;
FIG. 5 is an enlarged view of a portion of FIG. 3 at position II;
FIG. 6 is an assembled cross-sectional view of the coextruded bright-face external water-cut sealing strip of the present invention;
FIG. 7 is an assembled cross-sectional view of the co-extruded black-face outside water-cut sealing strip of the present invention; FIG. 8 is a schematic structural view of a forming die body of the present invention;
wherein:
1. an outer panel of the vehicle door; 2. a door inner panel; 3. a metal skeleton; 4. coating soft rubber; 5. a door glass; 6. decorating the bright surface; 7. bright surface protective glue; 8. forming a mold body;
40. pasting glass soft rubber; 40-1, flocking.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 3 to 7, the invention is an automobile outside water cut sealing strip and a co-extrusion process, which realizes the protection of decorative bright surfaces of the co-extrusion type bright surface outside water cut sealing strip in the production and transportation processes, simultaneously achieves the rapid switching of the bright surface outside water cut sealing strip and the black surface outside water cut sealing strip in the production process, and improves the production efficiency of product model changing.
Specifically, as shown in fig. 3 to 7, the door comprises a door outer plate 1, a door inner plate 2 and door glass 5, wherein the door outer plate 1 is wrapped by the door inner plate 2 at the upper end, the door glass 5 is in contact with the door outer plate, the door outer plate further comprises an outer water cut sealing strip, the door glass 5 is in contact with the outer water cut sealing strip, the outer water cut sealing strip is composed of a metal framework 3 and a wrapping soft rubber 4, the metal framework 3 is wrapped by the wrapping soft rubber 4 and then extruded and molded, a decorative bright surface 6 is formed by the metal framework 3 facing to the outer side part of the vehicle, and a layer of bright surface protection glue 7 is covered on the; the coated soft rubber 4 is provided with a glass-adhered soft rubber 40 facing the inner side of the vehicle.
As shown in fig. 3, 4 and 5, a V-shaped opening with an angle of about 30 ° is formed at the joint of the two ends of the bright face protective glue 7 and the soft coating glue 4 when the mold is removed.
As shown in fig. 3, the side of the soft glass pasting glue 40 facing the interior of the vehicle is provided with flocking 40-1.
As shown in fig. 6 and 7, the co-extrusion process of the automobile external water cut sealing strip specifically comprises the following steps,
the method comprises the following steps: determining whether a bright surface external water cutting sealing strip or a black surface external water cutting sealing strip is produced;
step two: if the bright-face external water cutting sealing strip is produced, coating adhesive liquid on the surface of the metal framework 3 outside the area A, and after extrusion molding, firmly adhering the coated soft rubber 4 outside the area A to the metal framework 3, wherein the bright-face protective rubber 6 on the area A has poor adhesion with the decorative bright face 6 on the metal framework 3; if the black-surface external water cutting sealing strip is produced, coating adhesive glue solution on the surfaces of the metal framework 3 outside the area A and the area A, and firmly adhering the bright-surface protective glue 6 on the area A and the coated soft glue 4 outside the area A to the metal framework 3 after extrusion molding;
step three: after the product is processed or assembled, tearing off the bright surface protective glue 7 to form a bright surface external water cutting sealing strip; the bright face protective glue 7 is not torn off to form a black face external water cutting sealing strip.
The adhesive glue solution is made of the same material as the coating soft glue 4, and the material is PVC, EPDM or TPE. The following specific working modes are illustrated by specific examples:
example 1:
the automobile outside water cut sealing strip is composed of a metal framework 3 and a coating soft rubber 4, the metal framework 3 is coated by the coating soft rubber 4 and then extruded and molded together, the part, facing the outside of an automobile, of the metal framework 3 forms a decorative bright surface 6, a layer of bright surface protective glue 7 covers the decorative bright surface 6, the bright surface protective glue 7 can be kept until the outside water cut sealing strip of a host factory is installed and then removed, quality defects such as scratches and scratches of the decorative bright surface 6 in the production and transportation processes are reduced, and the protection of the decorative bright surface 6 in the production and transportation processes of the co-extrusion type bright surface outside water cut sealing strip is realized; and a V-shaped opening with an angle of about 30 degrees is formed at the joint of the two ends of the bright face protective adhesive 7 and the coating soft adhesive 4 when the mold is removed, so that the bright face protective adhesive 7 can be conveniently torn off, and the part of the coating soft adhesive 4 in contact with the bright face protective adhesive 7 is prevented from being damaged.
The coated soft rubber 4 is provided with a glass-pasted soft rubber 40 towards the inner side of the vehicle, and one side of the glass-pasted soft rubber 40 towards the vehicle is provided with flocking 40-1, so that the coated soft rubber 4 is guaranteed to be tightly attached to the vehicle door glass 5 when no metal framework 3 supports the coated soft rubber.
Example 2:
a co-extrusion process for an automobile external water cutting sealing strip specifically comprises the following steps,
the method comprises the following steps: determining whether a bright surface external water cutting sealing strip or a black surface external water cutting sealing strip is produced;
step two: if the bright-face external water cutting sealing strip is produced, coating adhesive liquid on the surface of the metal framework 3 outside the area A, and after extrusion molding, firmly adhering the coated soft rubber 4 outside the area A to the metal framework 3, wherein the bright-face protective rubber 6 on the area A has poor adhesion with the decorative bright face 6 on the metal framework 3; if the black-surface external water cutting sealing strip is produced, coating adhesive glue solution on the surfaces of the metal framework 3 outside the area A and the area A, and firmly adhering the bright-surface protective glue 6 on the area A and the coated soft glue 4 outside the area A to the metal framework 3 after extrusion molding;
step three: after the product is processed or assembled, tearing off the bright surface protective glue 7 to form a bright surface external water cutting sealing strip; the bright face protective glue 7 is not torn off to form a black face external water cutting sealing strip.
By the operation of smearing adhesive liquid on different surfaces of the metal framework 3 by the front ends of the group of extrusion dies, a layer of bright surface protective adhesive 7 is coated on the decorative bright surface 6 of the metal framework 3, the operation of sticking a protective film on the decorative bright surface 6 of the metal framework 3 in the production process is cancelled, the preparation process flow is reduced, and the production cost is reduced; need not to change extrusion moulding mould, reach the bright surface extra income and cut the quick switch-over of sealing strip and black surface extra income cutting sealing strip in process of production, improve the production efficiency that the product remodeled.
The adhesive glue solution is made of the same material as the coating soft glue 4, and is made of PVC, EPDM or TPE; the cracking or degumming phenomenon caused by the different expansion coefficients of the bright surface protective glue 7 and the coating soft glue 4 is avoided.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the invention based on the principles and technical solutions of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (3)
1. The utility model provides a sealing strip is cut to car extra income, includes door planking (1), door inner panel (2) and door glass (5), and door planking (1) upper end parcel lives door inner panel (2), its characterized in that: the automobile door glass sealing strip is characterized by further comprising an outer water cutting sealing strip, the automobile door glass (5) is in contact with the outer water cutting sealing strip, the outer water cutting sealing strip is composed of a metal framework (3) and a coating soft rubber (4), the metal framework (3) is coated by the coating soft rubber (4) and then extruded and molded together, a decorative bright surface (6) is formed by the metal framework (3) facing the outer side part of the automobile, and a layer of bright surface protection rubber (7) covers the decorative bright surface (6); the glass-pasted soft rubber (40) is arranged on the coating soft rubber (4) towards the inner side of the vehicle;
a V-shaped opening with an angle of about 30 degrees is formed when the joint of the two ends of the bright face protective glue (7) and the coating soft glue (4) is demoulded;
and flocking (40-1) is arranged on one side of the soft glass pasting glue (40) facing the interior of the vehicle.
2. A co-extrusion process of an automobile external water cutting sealing strip is characterized by comprising the following steps: the method specifically comprises the following steps of,
the method comprises the following steps: determining whether a bright surface external water cutting sealing strip or a black surface external water cutting sealing strip is produced;
step two: if the bright-face external water cutting sealing strip is produced, coating adhesive liquid on the surface of the metal framework (3) outside the area A, and after extrusion molding, firmly adhering the coated soft rubber (4) outside the area A to the metal framework (3), wherein the bright-face protective adhesive (7) on the area A has poor adhesion with the decorative bright face (6) on the metal framework (3); if the black-surface external water cutting sealing strip is produced, coating adhesive glue solution on the surfaces of the metal framework (3) outside the area A and the area A, and firmly bonding the bright-surface protective glue (7) on the area A and the coated soft glue (4) outside the area A with the metal framework (3) after extrusion molding;
step three: after the product is processed or assembled, tearing off the bright surface protective glue (7) to form a bright surface external water cutting sealing strip; the bright surface protection glue (7) is not torn off to form the black surface external water cutting sealing strip.
3. The co-extrusion process of the automobile external water cutting sealing strip according to claim 2, characterized in that: the adhesive glue solution is made of the same material as the coating soft glue (4), and the material is PVC, EPDM or TPE.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911044754.6A CN110722965B (en) | 2019-10-30 | 2019-10-30 | Automobile external water cutting sealing strip and co-extrusion process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911044754.6A CN110722965B (en) | 2019-10-30 | 2019-10-30 | Automobile external water cutting sealing strip and co-extrusion process |
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| CN110722965A CN110722965A (en) | 2020-01-24 |
| CN110722965B true CN110722965B (en) | 2021-05-21 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204701431U (en) * | 2015-06-01 | 2015-10-14 | 江阴海达橡塑股份有限公司 | Outer water cut of automobile sealing band |
| CN108723143A (en) * | 2017-04-15 | 2018-11-02 | 上海敏孚汽车饰件有限公司 | A kind of outer water cut of automobile production technology and the correcting tool applied to the technique |
| CN110254192A (en) * | 2019-06-12 | 2019-09-20 | 汉腾汽车有限公司 | A kind of bus door window frame bright wisp structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10717256B2 (en) * | 2016-08-10 | 2020-07-21 | Magna Exteriors Inc. | Bi-laminate polymer coated metal substrate, vehicle trim member formed therefrom, and methods of manufacture thereof |
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- 2019-10-30 CN CN201911044754.6A patent/CN110722965B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204701431U (en) * | 2015-06-01 | 2015-10-14 | 江阴海达橡塑股份有限公司 | Outer water cut of automobile sealing band |
| CN108723143A (en) * | 2017-04-15 | 2018-11-02 | 上海敏孚汽车饰件有限公司 | A kind of outer water cut of automobile production technology and the correcting tool applied to the technique |
| CN110254192A (en) * | 2019-06-12 | 2019-09-20 | 汉腾汽车有限公司 | A kind of bus door window frame bright wisp structure |
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| CN110722965A (en) | 2020-01-24 |
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