CN109749305B - Water cutting strip for flocking sealing product - Google Patents
Water cutting strip for flocking sealing product Download PDFInfo
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- CN109749305B CN109749305B CN201910026964.6A CN201910026964A CN109749305B CN 109749305 B CN109749305 B CN 109749305B CN 201910026964 A CN201910026964 A CN 201910026964A CN 109749305 B CN109749305 B CN 109749305B
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- lip edge
- strip
- rubber layer
- flocking
- ethylene propylene
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Abstract
The invention discloses a water cutting strip for a flocked sealing product, which comprises a steel strip metal framework, a PVC rubber layer, a modified ethylene propylene rubber layer, a flocked strip and an adjusting decorative strip, wherein the PVC rubber layer is arranged on the outer layer of the metal framework, the modified ethylene propylene rubber layer is arranged on the outer side of the PVC rubber layer, a first lip edge, a second lip edge and a third lip edge are arranged on the modified ethylene propylene rubber layer, the first lip edge is positioned above the first lip edge, the second lip edge and the third lip edge are distributed on one side of the modified ethylene propylene rubber layer at intervals, the first lip edge and the second lip edge are arranged in a butting mode, the flocked strip is arranged below the second lip edge and the third lip edge, the adjusting decorative strip is arranged on the other side of the modified ethylene propylene rubber layer, and the adjusting decorative strip is abutted to the first lip edge. The water cutting strip disclosed by the invention adopts the combination of two kinds of rubber and a metal framework, so that the cost is saved, the sealing and water cutting functions of the water cutting strip are improved, and the water cutting strip has cold resistance and heat resistance, has better photo-thermal stability, excellent mechanical property and long service life.
Description
Technical Field
The invention relates to a rubber product, in particular to a water cutting strip for a flocking sealing product.
Background
The automobile sealing element comprises a sealing strip, an automobile door frame, a glass guide groove and the like. The water cutting strip belongs to an automobile sealing strip, window glass capable of ascending and descending can be installed on an automobile door, the window glass can be retracted into the automobile door, and the water cutting strip is installed between the window glass and an automobile door frame and used for cutting off water drops, water mist and dust on the surface of the glass when the window glass is lifted, and meanwhile, the water cutting strip plays a role in attractiveness.
Commonly used water cutting strip is generally rubber extrusion preparation, realizes water cutting and sealed effect through the extrusion, but the water cutting of water cutting strip can weaken the effect along with the life of car and the lift number of times of door window with sealed effect, rubber component still can take place ageing stiffening, lead to reaching sealed effect between door frame and the door window glass, can have dust, steam, the water droplet enters into the door body, cause the corruption to the door, also can influence glass's raising and lowering functions.
Disclosure of Invention
In order to overcome the defects of water cutting, weakened sealing effect and the like of the water cutting strip after aging and hardening of the water cutting strip in the prior art, the invention provides the water cutting strip of the flocking sealing product, the manufacturing cost of the water cutting strip of the automobile sealing product is saved and the sealing performance and the water cutting function of the water cutting strip are ensured by combining the metal framework, the PVC rubber and the modified ethylene propylene rubber, the flocking strip is adhered to the lip edge of the modified ethylene propylene rubber, the adhesion degree of the rubber lip edge and the window glass can be adjusted by arranging the adjusting decorative strip, the service life of the water cutting strip is prolonged, the paint with the same color as the automobile body can be sprayed on the outer side of the adjusting decorative strip, or the paint with other colors can be sprayed to play a role in decorating the automobile door.
The technical scheme adopted by the invention for solving the technical problems is as follows: a water cutting strip for a flocking sealing product, which comprises a metal framework, a PVC rubber layer, a modified ethylene propylene rubber layer, a flocking strip and an adjusting decoration strip, the metal framework is selected from a steel belt, the PVC rubber layer is arranged on the outer layer of the metal framework, the modified ethylene propylene rubber layer is arranged on the outer side of the PVC rubber layer, a first lip edge, a second lip edge and a third lip edge are arranged on one side of the modified ethylene propylene rubber layer, the first lip edge is positioned at the upper position, the positions of the second lip edge and the third lip edge which are positioned at the upper position and the lower position are distributed on one side of the modified ethylene propylene rubber layer at intervals, the first lip edge and the second lip edge are arranged in a butting way, and a down pasting position is arranged below the second lip edge and the third lip edge, the flocking strip is arranged at the flocking position of the second lip edge and the third lip edge, an adjusting decoration strip is arranged at the position of the other side of the modified ethylene propylene rubber layer, and an adjustable end above the adjusting decoration strip is abutted to the first lip edge.
The adjusting decoration strip is made of an elastic metal structure, the second lip edge and the flocking strip on the third lip edge are in contact with the window glass in the using process of the water cutting strip, when the fitting degree of the flocking strip on the second lip edge and the window glass is reduced, the upper adjustable end of the adjusting decoration strip is pressed to apply acting force to the first lip edge, and the fitting degree of the flocking strip on the second lip edge and the window glass is better through the first lip edge.
The preparation method of the water cutting strip for the flocking sealing product comprises the following steps:
1) preparing raw materials: PVC rubber and modified ethylene propylene rubber are made into elastomer particles, the elastomer particles are rolled into a metal framework with a required section shape and an adjusting decorative strip by a rolling wheel set of a rolling machine set, glue is coated on the surface of the metal framework and then dried by hot air, the outer side of the adjusting decorative strip is cleaned, polished, painted and waxed, and the inner side of the adjusting decorative strip is coated with the glue and then dried by hot air;
2) extruding the PVC rubber layer: the metal framework passes through an extrusion die of a first extruder, and PVC rubber elastomer particles are continuously extruded and attached to the surface of the metal framework through the first extruder according to the required cross-sectional shape;
3) extruding the modified ethylene propylene rubber layer: passing the metal skeleton structure adhered with the PVC rubber layer in the step 2) through an extrusion die of a second extruder, and continuously extruding modified ethylene propylene rubber elastomer particles to be adhered on the surface of the metal skeleton structure in the step 2) through the second extruder according to the required cross-sectional shape;
4) and (3) rubber vulcanization: carrying out high-temperature vulcanization molding and hot air vulcanization on the structure prepared in the step 3), and leading the vulcanized rubber product out of an outlet of a vulcanization device;
5) pasting down: the rubber product in 4) after vulcanization and shaping is drawn by a tractor with certain tension, a flocking strip is led into the rubber product between the vulcanizing device and the tractor with certain tension through a flocking device, the flocking strip is adhered to flocking positions of a second lip edge and a third lip edge through a flocking strip leading-in mechanism, and then the adjusting decoration strip coated with glue in 1) is adhered to the other side position of the modified ethylene propylene rubber layer through a leading-in device;
6) preparing a finished rubber product: cooling, drying, drawing, cutting and storing the water-cut strip product subjected to flocking in the step 5).
The invention has the advantages that the flocked sealing product water cutting strip combines the metal framework, the PVC rubber and the modified ethylene propylene rubber, the PVC rubber has low production cost and easy obtainment, but is not environment-friendly, the rubber strip has poor elasticity and easy hardening, contains more harmful components and causes potential harm to human body, the ethylene propylene diene monomer rubber has a lot of advantages, but the price is relatively high, the ethylene propylene diene monomer rubber is further greatly improved in performance after being modified by chlorosulfonation of chlorine and sulfur dioxide, therefore, the preparation of the sealing water cutting strip by adopting the combination of the two rubber products not only saves the manufacturing cost of the automobile sealing product water cutting strip, but also ensures the sealing performance and the water cutting function of the water cutting strip, the flocked strip is adhered to the lip edge of the modified ethylene propylene rubber, and the close-fitting degree of the rubber lip edge and the window glass can be adjusted by arranging the adjusting decorative strip, the service life of the water cutting strip is prolonged, and paint with the same color as that of the car body can be sprayed on the outer side of the adjusting decoration strip, or paint with other colors can be sprayed to play a role in decorating the car door.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the present invention.
In the figure, 1, a modified ethylene propylene rubber layer, 2, a metal framework, 3, a PVC rubber layer, 4, an adjusting decorative strip, 5, a first lip, 6, a second lip, 7, a flocking strip and 8, a third lip are arranged.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
A water cutting strip for flocked sealing products comprises a metal framework 2, a PVC rubber layer 3, a modified ethylene propylene rubber layer 1, a flocking strip 7 and an adjusting decoration strip 4, wherein the metal framework 2 is a steel strip, the PVC rubber layer 3 is arranged on the outer layer of the metal framework 2, the modified ethylene propylene rubber layer 1 is arranged on the outer side of the PVC rubber layer 3, a first lip edge 5, a second lip edge 6 and a third lip edge 8 are arranged on one side of the modified ethylene propylene rubber layer 1, the first lip edge 5 is located at the upper position, the second lip edge 6 and the third lip edge 8 are distributed on one side of the modified ethylene propylene rubber layer 1 at an upper and lower position interval, the first lip edge 5 is arranged in a manner of being abutted to the second lip edge 6, the flocking position below the second lip edge 6 and the third lip edge 8 is a flocking position, the flocking strip 7 is arranged on the flocking positions of the second lip edge 6 and the third lip edge 8, the adjusting decoration strip 4 is arranged on the other side of the modified ethylene propylene rubber layer 1, the upper adjustable end of the adjusting decorative strip 4 is abutted against the first lip edge 5.
Furthermore, the adjusting decoration strip 4 is made of an elastic metal structure, the flocking strip 7 on the second lip edge 6 and the third lip edge 8 is in contact with the window glass when the water cutting strip is used, when the fitting degree of the flocking strip 7 on the second lip edge 6 and the window glass is reduced, the upper adjustable end of the adjusting decoration strip 4 is pressed to apply acting force to the first lip edge 5, and the fitting degree of the flocking strip 7 on the second lip edge 6 and the window glass is better through the first lip edge 5.
Further, the preparation method of the water cutting strip comprises the following steps:
1) preparing raw materials: PVC rubber and modified ethylene propylene rubber are made into elastomer particles, the elastomer particles are rolled into a metal framework 2 with a required section shape and an adjusting decorative strip 4 by a rolling wheel set of a rolling machine set, glue is coated on the surface of the metal framework 2 and then dried by hot air, the outer side of the adjusting decorative strip 4 is cleaned, polished, painted and waxed, and the inner side of the adjusting decorative strip 4 is coated with the glue and then dried by hot air;
2) extruding the PVC rubber layer 3: the metal framework 2 passes through an extrusion die of a first extruder, and PVC rubber elastomer particles are continuously extruded and attached to the surface of the metal framework 2 by the first extruder according to the required cross-sectional shape;
3) extruding the modified ethylene propylene rubber layer 1: passing the metal skeleton structure adhered with the PVC rubber layer 3 in the step 2) through an extrusion die of a second extruder, and continuously extruding modified ethylene propylene rubber elastomer particles to be adhered on the surface of the metal skeleton structure in the step 2) through the second extruder according to the required cross-sectional shape;
4) and (3) rubber vulcanization: carrying out high-temperature vulcanization molding and hot air vulcanization on the structure prepared in the step 3), and leading the vulcanized rubber product out of an outlet of a vulcanization device;
5) pasting down: the rubber product in 4) after vulcanization and shaping is drawn by a tractor with certain tension, the flocked strip 7 is led into the rubber product between the vulcanizing device and the tractor with certain tension through a flocked device, the flocked strip 7 is adhered to the flocked positions of the second lip edge 6 and the third lip edge 8 through a flocked strip 7 leading-in mechanism, and then the adjusting decorative strip 4 coated with glue in 1) is adhered to the other side position of the modified ethylene propylene rubber layer 1 through a leading-in device;
6) preparing a finished rubber product: cooling, drying, drawing, cutting and storing the water-cut strip product subjected to flocking in the step 5).
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (2)
1. A water cutting strip for a flocked sealing product is characterized by comprising a metal framework (2), a PVC rubber layer (3), a modified ethylene propylene rubber layer (1), a flocked strip (7) and an adjusting decorative strip (4), wherein the metal framework (2) selects a steel strip, the PVC rubber layer (3) is arranged on the outer layer of the metal framework (2), the modified ethylene propylene rubber layer (1) is arranged on the outer side of the PVC rubber layer (3), a first lip edge (5), a second lip edge (6) and a third lip edge (8) are arranged on one side of the modified ethylene propylene rubber layer (1), the first lip edge (5) is positioned above the second lip edge, the second lip edge (6) and the third lip edge (8) are arranged on one side of the modified ethylene propylene rubber layer (1) at an upper-lower position interval, the first lip edge (5) is arranged in a manner of being abutted against the second lip edge (6), and the second lip edge (6) and the third lip edge (8) are arranged below the flocked positions, the flocking strip (7) is arranged at the flocking position of the second lip edge (6) and the third lip edge (8), an adjusting decorative strip (4) is arranged at the other side position of the modified ethylene propylene rubber layer (1), the upper adjustable end of the adjusting decorative strip (4) is abutted against the first lip edge (5), the adjusting decorative strip (4) is made of elastic metal structure, and in the using process of the water cutting strip, the flocking strips (7) on the second lip edge (6) and the third lip edge (8) are contacted with the window glass, when the fit degree of the flocking strip (7) on the second lip edge (6) and the window glass is reduced, the upper adjustable end of the decorative strip (4) is adjusted by pressing, acting force is applied to the first lip edge (5), and the flocking strip (7) on the second lip edge (6) is enabled to be better attached to the window glass through the first lip edge (5).
2. The water cutting strip for sealing flocking product as recited in claim 1, wherein the water cutting strip is prepared by a method comprising:
1) preparing raw materials: PVC rubber and modified ethylene propylene rubber are made into elastomer particles, the elastomer particles are rolled into a metal framework (2) with a required section shape and an adjusting decorative strip (4) by a rolling wheel set of a rolling unit, glue is coated on the surface of the metal framework (2), then the metal framework is dried by hot air, the outer side of the adjusting decorative strip (4) is cleaned, polished, painted and waxed, and the glue is coated on the inner side of the adjusting decorative strip (4) and then the adjusting decorative strip is dried by hot air;
2) extruding the PVC rubber layer (3): the metal framework (2) passes through an extrusion die of a first extruder, and PVC rubber elastomer particles are continuously extruded and attached to the surface of the metal framework (2) through the first extruder according to the required cross-sectional shape;
3) extruding the modified ethylene propylene rubber layer (1): passing the metal skeleton structure adhered with the PVC rubber layer (3) in the step 2) through an extrusion die of a second extruder, and continuously extruding modified ethylene propylene rubber elastomer particles to be adhered on the surface of the metal skeleton structure in the step 2) through the second extruder according to the required cross-sectional shape;
4) and (3) rubber vulcanization: carrying out high-temperature vulcanization molding and hot air vulcanization on the structure prepared in the step 3), and leading the vulcanized rubber product out of an outlet of a vulcanization device;
5) pasting down: the rubber product in 4) after vulcanization and shaping is drawn by a tractor with certain tension, the flocking strip (7) is introduced to the rubber product between the vulcanization device and the tractor with certain tension through a flocking device, the flocking strip (7) is adhered to the flocking positions of the second lip edge (6) and the third lip edge (8) through an flocking strip (7) introduction mechanism, and then the adjusting decoration strip (4) coated with glue in 1) is adhered to the other side position of the modified ethylene propylene rubber layer (1) through an introduction device;
6) preparing a finished rubber product: cooling, drying, drawing, cutting and storing the water-cut strip product subjected to flocking in the step 5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026964.6A CN109749305B (en) | 2019-01-11 | 2019-01-11 | Water cutting strip for flocking sealing product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026964.6A CN109749305B (en) | 2019-01-11 | 2019-01-11 | Water cutting strip for flocking sealing product |
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| CN109749305A CN109749305A (en) | 2019-05-14 |
| CN109749305B true CN109749305B (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910026964.6A Active CN109749305B (en) | 2019-01-11 | 2019-01-11 | Water cutting strip for flocking sealing product |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110385622A (en) * | 2019-07-18 | 2019-10-29 | 广州东海敏孚汽车部件有限公司 | A kind of outer water of automobile door frame cuts rubber workpiece polishing mechanism |
| CN114368267B (en) * | 2022-01-20 | 2023-08-29 | 浙江零跑科技股份有限公司 | Frameless door B post seal structure |
Citations (4)
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|---|---|---|---|---|
| US6422571B1 (en) * | 2000-04-26 | 2002-07-23 | Hutchinson Sealing Systems, Inc. | Automotive vehicle seal and decorative trim strip |
| CN202528809U (en) * | 2012-04-23 | 2012-11-14 | 长春敏实汽车零部件有限公司 | Decorative sealing strip for vehicle |
| CN106867117A (en) * | 2017-02-28 | 2017-06-20 | 保定威奕汽车有限公司 | Sealing strip is rubber-coated and its preparation method and door weather strip and its preparation method |
| DE102017102755A1 (en) * | 2017-02-13 | 2018-08-16 | Cqlt Saargummi Technologies S.À.R.L. | Sealing element with veneer strip |
-
2019
- 2019-01-11 CN CN201910026964.6A patent/CN109749305B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6422571B1 (en) * | 2000-04-26 | 2002-07-23 | Hutchinson Sealing Systems, Inc. | Automotive vehicle seal and decorative trim strip |
| CN202528809U (en) * | 2012-04-23 | 2012-11-14 | 长春敏实汽车零部件有限公司 | Decorative sealing strip for vehicle |
| DE102017102755A1 (en) * | 2017-02-13 | 2018-08-16 | Cqlt Saargummi Technologies S.À.R.L. | Sealing element with veneer strip |
| CN106867117A (en) * | 2017-02-28 | 2017-06-20 | 保定威奕汽车有限公司 | Sealing strip is rubber-coated and its preparation method and door weather strip and its preparation method |
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| CN109749305A (en) | 2019-05-14 |
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Address after: 317300 Nan Feng Jie Dao Xia long Di, Xianju County, Taizhou City, Zhejiang Province Applicant after: Xingyu Auto Parts Co.,Ltd. Address before: 317300 Nan Feng Jie Dao Xia long Di, Xianju County, Taizhou City, Zhejiang Province Applicant before: ZHEJIANG XINGYU AUTOPARTS Co.,Ltd. |
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