CN202782989U - Car roof decorative sealing strip - Google Patents
Car roof decorative sealing strip Download PDFInfo
- Publication number
- CN202782989U CN202782989U CN 201220357622 CN201220357622U CN202782989U CN 202782989 U CN202782989 U CN 202782989U CN 201220357622 CN201220357622 CN 201220357622 CN 201220357622 U CN201220357622 U CN 201220357622U CN 202782989 U CN202782989 U CN 202782989U
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- organic elastomer
- vehicle roof
- sealing band
- roof decoration
- attached
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Abstract
A car roof decorative sealing strip comprises a metal framework and organic elastic bodies attached to the surface and formed by extending along the same section, an organic elastic body layer on the main face is a hard organic elastic body layer, organic elastic body layers on the side faces are soft organic elastic body layers, a thin soft organic elastic body layer formed according to requirements of a manufacturing process is additionally attached to the bottom face of a groove of the metal framework, and the exposed main face has supernormal abrasion resistance.
Description
Technical field
The utility model relates to a kind of vehicle roof decoration sealing band, and especially a kind of interarea organic elastomer layer is the vehicle roof decoration sealing band of hard organic elastomer layer.
Background technology
The junction at a plurality of positions of automobile all is provided with trim weather strip, and the Main Function of automobile decoration sealing band is waterproof and dustproof, decoration, damping, sound insulation and sealing.Expressing technique is generally adopted in the manufacturing of automobile decoration trim weather strip, also claims extrusion process, and the mode of operation of customized cut-off is highly efficient in productivity behind the implementation continuous extrusion.
The vehicle roof decoration sealing band by the stainless steel band material through the roll extrusion of roll extrusion unit form metallic framework again be attached to its surperficial organic elastomer Material cladding and extrude and form, be used for embedding the groove of top cover and gusset junction, between the vehicle used life, the exposing interarea and need stand for a long time to sun-scorched and rain-drenched of vehicle roof decoration sealing band.General organic elastomer adopts soft material, and the most frequently used is the flexible PVC material.From the environment of vehicle use and the General Requirements of vehicle design service life, adopt soft elastomer material can meet the demands fully.But, the requirement of high-quality top grade is pursued by some famous brand luxury car in order to satisfy its user, the requirement that interarea has extraordinary resistance to erosion that exposes to the vehicle roof decoration sealing band, it is that its surface can be not destroyed when adopting the high-pressure water impact to rinse that its examination criteria requires, and just can not reach such high standard requirement with soft elastomer material.
The utility model solves the problems referred to above just.
Summary of the invention
Technical problem to be solved in the utility model is for the above-mentioned state of the art, and a kind of car roof trim weather strip and manufacture method thereof are provided.The utility model solves the problems of the technologies described above the technical scheme that adopts:
A kind of vehicle roof decoration sealing sealing band, comprise metallic framework and be attached to lip-deep organic elastomer, form along the same cross-sectional stretching, extension, described metallic framework is to be formed through the roll extrusion of roll extrusion unit by the stainless steel band material, its both sides bending forms groove, described organic elastomer is attached on the outside face of groove, comprise the interarea organic elastomer layer that is attached to described groove bottom back side, with the side organic elastomer layer that is attached to described groove two outsides, described interarea is the exposed face of vehicle roof decoration sealing band, it is characterized in that described interarea organic elastomer layer is hard organic elastomer layer, described side organic elastomer layer is soft organic elastomer layer; Described groove floor is attached with one deck needs moulding because of manufacturing process soft organic elastomer thin layer in addition.
The accompanying soft organic elastomer layer of described groove floor is irregular distribution along described groove floor.
Described groove two inside top are attached with same hard organic elastomer.
Described groove two outsides also are respectively equipped with the raised lip sheet.
After extrusion molding, described interarea organic elastomer layer appearance also carried out spray treatment, forms metallochrome or other color layer of paint.
Vehicle roof decoration sealing band provided by the utility model, it exposes interarea and adopts hard elastic body material, such as hard PVC material, expose interarea and have extraordinary washout resistance, can satisfy famous brand luxury car to the requirement that exposes the extraordinary resistance to erosion of interarea of vehicle roof decoration sealing band.
Description of drawings
Fig. 1 is the segment schematic perspective view of the utility model embodiment vehicle roof decoration sealing band design objective shape;
Fig. 2 is the cross sectional representation of the utility model embodiment vehicle roof decoration sealing band design objective shape;
Fig. 3 is the segment schematic perspective view of the utility model embodiment vehicle roof decoration sealing band true form;
Fig. 4 is the cross sectional representation of the utility model embodiment vehicle roof decoration sealing band true form;
Fig. 5 is for being the metallic framework cross sectional representation of the utility model embodiment vehicle roof decoration sealing band;
Fig. 6 is the utility model embodiment vehicle roof decoration sealing band manufacturing line scheme drawing;
Fig. 7 is extrusion die initial scheme schematic perspective view.
Fig. 8 be the extrusion die initial scheme mold the oralia scheme drawing.
Fig. 9 is that the extrusion die initial scheme molds the oralia scheme drawing when extruding.
Figure 10 be extrusion die transition testing program mold the oralia scheme drawing.
Figure 11 be the utility model extrusion die mold the oralia scheme drawing.
Figure 12 be the utility model when extruding extrusion die mold the oralia scheme drawing.
Figure 13 be being added with of the utility model extrusion die copper insert mold the oralia scheme drawing.
Figure 14 be the utility model when extruding extrusion die be added with copper insert mold the oralia scheme drawing.
Figure 15 is the extrusion die schematic perspective view that the utility model is added with add-in card.
Figure 16 is the extrusion die add-in card scheme drawing that the utility model is added with add-in card.
Figure 17 is the utility model add-in card scheme drawing when extruding.
Figure 18 is the vehicle roof decoration sealing band half-blank cross sectional representation with the back up ring of the utility model extrusion die extrusion molding of being added with add-in card.
The specific embodiment
Below specify by reference to the accompanying drawings as an example of a kind of vehicle roof decoration sealing band of using the utility model scheme example; For convenience of explanation, make the public be more readily understood technical solutions of the utility model, adopt and be described explanation to analytical investigation to the order of finishing solution by the technical matters that in actual test manufacture process, runs into.
Such as Fig. 1, shown in Figure 2, segment schematic perspective view and cross sectional representation thereof for a kind of vehicle roof decoration sealing band 1 design objective shape, this vehicle roof decoration sealing sealing band 1, comprise metallic framework 2 and be attached to lip-deep organic elastomer, form along the same cross-sectional stretching, extension, metallic framework 2 is to be formed through the roll extrusion of roll extrusion unit by the stainless steel band material, its both sides bending forms groove 3, organic elastomer is attached on the outside face of groove, comprise the interarea organic elastomer layer 4 that is attached to groove 3 bottom back sides, with the side organic elastomer layer 5 that is attached to 3 liang of outsides of described groove, interarea is the exposed face of vehicle roof decoration sealing band, for the interarea that exposes that satisfies some famous brand luxury car vehicle roof decoration sealing band has extraordinary resistance to erosion requirement, interarea organic elastomer layer 4 is hard organic elastomer layer, selects the hard PVC material, and its hardness requirement is at SHORE D more than 70, specifically selecting a kind of hardness is the hard PVC material of SHORE D 80, and 3 liang of inside top of groove are attached with the hard organic elastomer 6 of same material; Side organic elastomer layer 5 is soft organic elastomer layer, selects the flexible PVC material, and the trade mark of specifically selecting the Shanghai reason to grind is the flexible PVC material of ALS4149A, and its hardness is SHORE A 70; 3 liang of outsides of groove also are respectively equipped with the protruding Lip sheet 7 of same material, and after extrusion molding, interarea organic elastomer layer 4 appearance also need be carried out spray treatment, form metallochrome or other color layer of paint.
The manufacturing of above-mentioned vehicle roof decoration sealing band is mainly finished in the flow production line that is comprised of tandem mill.As shown in Figure 6, the tandem mill of this conveyor line comprises the stainless steel band bin 11 for the manufacture of metallic framework successively, roll extrusion unit 13, extruder 15 and extrusion die 14, bosh 16, feeding machine 17, cut-to-length sizes machine 18, the workpiece of whole production line moves under the tractive force effect of roll extrusion unit 13 and feeding machine 17, it is stainless steel strip material 12 when workpiece is initial, through rolling and processing formation metallic framework 3 as shown in Figure 5, after workpiece passes extrusion die 14, from the organic elastomer melt of extruder 15 through extrusion die 14 by setting requirement in metallic framework 2 surfaces externally and internally extrusion moldings, form such as Fig. 1, sealing band shape shown in Figure 2 is by over cooling tank 16, feeding machine 17, pressing preseting length to cut-to-length sizes machine 18 cuts off.
Wherein 1 extruder 15 provides hard organic elastomer melt to extrusion die 14, i.e. aforesaid hard PVC melt, and 1 extruder provides soft organic elastomer melt to extrusion die 14 in addition, i.e. aforesaid flexible PVC melt.Extrusion die 14 initial scheme be: extrusion die 14 comprises the superimposed body 20 that mutually is superimposed by polylith feedboard and runner plate, comprise that also one is superimposed upon and molds oralia 21 behind the runner plate, mold oralia 21 and be provided with extrusion molding mouth 23, such as Fig. 7, Fig. 8, shown in Figure 9, metallic framework 3 passes from extrusion molding mouth 23; Be provided with hard organic elastomer melt inlet point 22 and hard organic elastomer melt dividing and soft organic elastomer melt inlet point and soft organic elastomer melt dividing on the superimposed body 20, the middle position that molds oralia 21 is provided with shape and the big or small extrusion molding hole 23 that is suitable for the extrusion molding of described vehicle roof decoration sealing band, hard organic elastomer melt and soft organic elastomer melt its runner of respectively hanging oneself flows to and molds oralia 21, and adheres to moulding in the relevant position of metallic framework 2 respectively.
But, find following abominable symptom in the test manufacture process actual extruding: during in extrusion molding, because the hard PVC melt has quite high internal pressure, far above the internal pressure of flexible PVC melt, this pressure just as if deep-water pressure is the same to all the winds disperses; At extrusion molding mouth 23 places, the hard PVC melting material pressure that forms interarea organic elastomer layer 4 can force groove 3 bottom surfaces 9 of metallic framework 2 to be close to its corresponding mold wall 10, the strong friction resistance can occur between the two, whole production line can wherein be difficult to normal operation because workpiece is stuck in, and groove 3 bottom surfaces 9 of metallic framework 2 also can be by serious damage, and mold wall 10 wearing and tearing are also very fast.
For above-mentioned situation, product improvement scheme of the present utility model is: make the groove floor 9 of metallic framework 2 adhere in addition the soft organic elastomer thin layer 8 of one deck when extrusion molding, as shown in Figure 3, Figure 4.Be to realize the product improvement scheme, add be used to what establish 8 extrusion moldings of machine thin layer of elastomer at the extrusion molding mouth 23 of extrusion die 14 and rise as high as the banks 24, as shown in figure 10.Yet actual extrusion test shows, or same reason, because the hard PVC melt has quite high internal pressure, internal pressure far above the flexible PVC melt, above-mentioned abominable symptom still exists, just slightly alleviate, the hard PVC melting material pressure that forms interarea organic elastomer layer 4 still can force groove 3 bottom surfaces 9 of metallic framework 2 to be close to its corresponding mold wall 10, the groove floor 9 of metallic framework 2 is not adhered to the soft organic elastomer thin layer 8 of one deck at all, between the two still the strong friction resistance can occur, whole production line can wherein be difficult to normal operation because workpiece is stuck in, the groove floor 9 of metallic framework 2 also can be by serious damage, and mold wall 10 wearing and tearing are also very fast.So, be infeasible with extrusion die scheme generation soft organic elastomer thin layer 8 as shown in Figure 3, Figure 4 as shown in figure 10.
Extrusion die improvement project of the present utility model is: because of the manufacturing process needs, the limit, metallic framework groove floor 9 place in extrusion molding hole 23 arranges several also little grooves 25 of column distribution, as shown in figure 11; The cross section of little groove 25 is the wherein a kind of or wherein combination more than two kinds in rectangle, trapezoidal, semicircle, the triangle.Like this, as shown in figure 12, soft organic elastomer melt can flow into by these little grooves 25, and then forms the soft organic elastomer thin layer 8 of one deck in metallic framework groove floor 9 during extrusion molding; So, just can eliminate above-mentioned abominable symptom, the extrusion of whole production line is carried out smoothly.The degree of depth of little groove can satisfy arts demand at 0.2mm to 0.5mm, as gets 0.3mm.Need to prove: because the existence of hard PVC melt high pressure, soft organic elastomer thin layer 8 generally can not generate the cross sectional shape such as little groove 25, but can form the thin layer 8 that is irregular distribution along groove floor 9, as shown in Figure 3, Figure 4.Although do not have although thin layer 8 is not the designing institute requirement of vehicle roof decoration sealing band product own, by its existence, well having solved interarea organic elastomer layer is the vehicle roof decoration sealing band extrusion molding problem of hard organic elastomer layer; In addition, the existence of thin layer 8 can not have influence on quality and the follow-up use thereof of vehicle roof decoration sealing band, so do not need its elimination in subsequent handling yet.
In order to strengthen the resistance to abrasion with the groove 3 bottom surfaces 9 contacted mold walls of metallic framework 2, prolong the service life of extrusion die 14, the oralia that molds of mould 14 comprises that the copper of high-wearing feature that have that embeds wherein insert, and little groove is opened in above described copper the inserting, as shown in figure 13; Its extrusion molding state as shown in figure 14.
In order further to promote product quality and the appearance effect of the utility model vehicle roof decoration sealing band, after extrusion molding, interarea organic elastomer layer 4 appearance are also carried out spray treatment, form metallochrome or other color layer of paint.Extrusion die 14 mold oralia 21 after also be superimposed with an add-in card 27, as shown in figure 15; Make through molding the in type vehicle roof decoration sealing band of oralia 21, through add-in card 27 time, generate again the back up ring 28 that can wrap up its flank part in its both sides, soft organic elastomer material is adopted in back up ring 28, after interarea organic elastomer layer 4 appearance spray treatment it is torn; The middle position of add-in card 27 arranges shape and the big or small extrusion molding hole 29 that is suitable for the extrusion molding of vehicle roof decoration sealing band, and it also comprises for the space 30 that generates back up ring 28, as shown in figure 16; Its extrusion molding state as shown in figure 17.The materials quality requirements of back up ring is lower, can adopt the atypical soft organic elastomer material that is different from above-mentioned soft organic elastomer.Resulting sealing band cross-sectional plane after interarea organic elastomer layer 4 appearance spray treatment, tears back up ring 28 as shown in figure 18 after the extrusion molding, is the utility model vehicle roof decoration sealing band as shown in Figure 3, Figure 4.
Claims (6)
1. vehicle roof decoration sealing band, comprise metallic framework and be attached to lip-deep organic elastomer, form along the same cross-sectional stretching, extension, described metallic framework is to be formed through the roll extrusion of roll extrusion unit by the stainless steel band material, its both sides bending forms groove, described organic elastomer is attached on the outside face of groove, comprise the interarea organic elastomer layer that is attached to described groove bottom back side, with the side organic elastomer layer that is attached to described groove two outsides, described interarea is the exposed face of vehicle roof decoration sealing band, it is characterized in that described interarea organic elastomer layer is hard organic elastomer layer, described side organic elastomer layer is soft organic elastomer layer; Described groove floor is attached with one deck needs moulding because of manufacturing process soft organic elastomer thin layer in addition.
2. vehicle roof decoration sealing band as claimed in claim 1 is characterized in that, the accompanying soft organic elastomer layer of described groove floor is irregular distribution along described groove floor.
3. vehicle roof decoration sealing band as claimed in claim 1 is characterized in that, described groove two inside top are attached with same hard organic elastomer.
4. vehicle roof decoration sealing band as claimed in claim 1 is characterized in that, described groove two outsides also are respectively equipped with the raised lip sheet.
5. such as each described vehicle roof decoration sealing band of claim 1 to 4, it is characterized in that described interarea organic elastomer layer appearance also adhered to one deck layer of paint.
6. vehicle roof decoration sealing band as claimed in claim 5 is characterized in that, described layer of paint is metallochrome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357622 CN202782989U (en) | 2012-07-18 | 2012-07-18 | Car roof decorative sealing strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357622 CN202782989U (en) | 2012-07-18 | 2012-07-18 | Car roof decorative sealing strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202782989U true CN202782989U (en) | 2013-03-13 |
Family
ID=47810309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220357622 Expired - Lifetime CN202782989U (en) | 2012-07-18 | 2012-07-18 | Car roof decorative sealing strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202782989U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806876A (en) * | 2012-07-18 | 2012-12-05 | 宁波敏实汽车零部件技术研发有限公司 | Car roof decoration sealing strip and manufacture method thereof |
| CN109537744A (en) * | 2018-12-19 | 2019-03-29 | 吉林建筑大学 | Airtight item of the hollow rubber of built-in steel spring and its preparation method and application |
-
2012
- 2012-07-18 CN CN 201220357622 patent/CN202782989U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806876A (en) * | 2012-07-18 | 2012-12-05 | 宁波敏实汽车零部件技术研发有限公司 | Car roof decoration sealing strip and manufacture method thereof |
| CN102806876B (en) * | 2012-07-18 | 2015-12-23 | 宁波信泰机械有限公司 | A kind of vehicle roof decoration sealing band and manufacture method thereof |
| CN109537744A (en) * | 2018-12-19 | 2019-03-29 | 吉林建筑大学 | Airtight item of the hollow rubber of built-in steel spring and its preparation method and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BEIJING MINTH AUTOMOTIVE PARTS CO., LTD. Assignor: Ningbo Minth Auto Parts Technology Development Co., Ltd. Contract record no.: 2014330000422 Denomination of utility model: Car roof decoration sealing strip and manufacture method thereof Granted publication date: 20130313 License type: Exclusive License Record date: 20141118 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |