CN113525526A - Automobile top cover front cross beam assembly and manufacturing method thereof - Google Patents
Automobile top cover front cross beam assembly and manufacturing method thereof Download PDFInfo
- Publication number
- CN113525526A CN113525526A CN202110728004.1A CN202110728004A CN113525526A CN 113525526 A CN113525526 A CN 113525526A CN 202110728004 A CN202110728004 A CN 202110728004A CN 113525526 A CN113525526 A CN 113525526A
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- top cover
- connecting plate
- cross beam
- cover front
- front cross
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/06—Fixed roofs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
- B62D27/026—Connections by glue bonding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an automobile top cover front beam assembly and a manufacturing method thereof, and relates to the technical field of automobile bodies. The invention has the advantages that: the top cover front cross beam of the integrated structure occupies a small space, a driver and passengers have a good visual field, the weight is light, the strength is high, and the assembly process is simplified.
Description
Technical Field
The invention relates to the technical field of automobile bodies, in particular to an automobile top cover front beam assembly and a manufacturing method thereof.
Background
The top cover front beam assembly is a main part of an automobile body, and is mainly used for connecting the left side wall assembly and the right side wall assembly, so that the gluing and supporting effects are provided for the front windshield, the torsion performance of the whole automobile is improved, and the automobile body of the automobile is prevented from deforming under the torsion working condition, so that the safety of drivers and passengers is protected. This requires that the header front rail assembly have both a certain functionality and a certain strength capability.
At present, a common top cover front beam assembly structure mainly comprises a top cover front beam inner plate, an outer plate and connecting plates at two ends, wherein the inner plate and the outer plate are respectively manufactured in a stamping forming mode, the inner plate and the outer plate are welded to form a top cover front beam assembly, and the top cover front beam assembly is connected with a left side wall assembly and a right side wall assembly through the connecting plates at the left end and the right end. Patent CN212890594U discloses a top cap front beam assembly, including the top cap front beam that is rectangular shape, connect the top cap front beam reinforcement on the top cap front beam, the top cap front beam uses anchor clamps to press from both sides tightly fixed with top cap front beam reinforcement to connect through the mode of spot welding. The traditional top cover front cross beam assembly has the following defects: the occupied space is large, the visual field is influenced, the weight of parts is heavy, welding is easy to deform, the strength is poor, and the assembly process is complex.
Disclosure of Invention
The invention aims to provide a front cross beam assembly of an automobile top cover, which occupies small space and is light in weight, and a manufacturing method thereof.
The invention solves the technical problems through the following technical means: automobile top cap front beam assembly, including top cap front beam (1), side wall coupling mechanism (2), the both ends difference fixedly connected with side wall coupling mechanism (2) of top cap front beam (1), top cap front beam (1) formula section bar structure as an organic whole. The top cover front cross beam of the integrated section structure occupies a small space, a driver and passengers have a good visual field, the weight is light, the performance is superior, a good torsion resistant effect is achieved, the strength is high, the assembly process is simplified, and continuous automatic production can be realized.
As an optimized technical scheme, the outer frame of the cross section of the top cover front beam (1) is in a closed ring shape, and the inner part of the top cover front beam is in a shape of a Chinese character 'mi' connected with the outer frame. The section form of the section can be adjusted to reach a target value according to modal analysis of the whole vehicle, and meanwhile, the light weight requirement of the vehicle is met, and the structure can effectively absorb energy generated by collision and vehicle body torsion while meeting the glass sealing function.
As an optimized technical scheme, the top cover front cross beam (1) is made of aluminum alloy. The lightweight effect is good.
As an optimized technical scheme, the side wall connecting mechanism (2) comprises an upper connecting plate (21) and a lower connecting plate (22), the upper connecting plate (21) is located above the top cover front cross beam (1), the lower connecting plate (22) is located below the top cover front cross beam (1), and the upper connecting plate (21), the lower connecting plate (22) and the top cover front cross beam (1) are fixedly connected into a whole.
As an optimized technical scheme, the front side and the rear side of each end part of the top cover front cross beam (1) are respectively and fixedly connected with a first connecting edge (11); the upper connecting plate (21) comprises an upper connecting plate main body (211) and second connecting edges (212), the front side and the rear side of the upper connecting plate main body (211) are respectively and fixedly connected with the second connecting edges (212), the upper connecting plate main body (211) covers the upper part of the end part of the top cover front cross beam (1), and the second connecting edges (212) are positioned above the first connecting edges (11); the lower connecting plate (22) comprises a lower connecting plate main body (221) and a fourth connecting edge (222), the front side and the rear side of the lower connecting plate main body (221) are fixedly connected with the fourth connecting edge (222) respectively, the lower connecting plate main body (221) covers the lower portion of the end portion of the top cover front cross beam (1), and the fourth connecting edge (222) is located below the first connecting edge (11). Simple structure and convenient assembly.
As an optimized technical scheme, the side wall connecting mechanism (2) further comprises a rivet (23), and the first connecting edge (11), the second connecting edge (212) and the fourth connecting edge (222) are fixedly connected together through the rivet (23).
As an optimized technical scheme, the upper connecting plate main body (211) and the lower connecting plate main body (221) are respectively bonded with the top cover front cross beam (1), and the second connecting edge (212) and the fourth connecting edge (222) are respectively bonded with the first connecting edge (11).
As an optimized technical scheme, a third connecting edge (213) is fixedly connected to the outer side of the upper connecting plate main body (211) facing the top cover front cross beam (1) along the length direction, and a fifth connecting edge (223) is fixedly connected to the outer side of the lower connecting plate main body (221) facing the top cover front cross beam (1) along the length direction. The fixed connection with the left side wall assembly and the right side wall assembly is convenient.
As an optimized technical scheme, a windshield positioning hole (214) is formed in the upper connecting plate main body (211). The windshield is convenient to position.
The method for manufacturing the automobile top cover front cross beam assembly comprises the following steps:
step one, casting a material for manufacturing a front cross beam (1) of the top cover after vacuum melting, then extruding a profile to form a required cross section shape, and then cutting and hydroforming to produce a required shape;
secondly, performing hardness strengthening on the formed top cover front cross beam (1) through heat treatment;
and step three, processing the surface of the glass gluing surface of the top cover front beam (1) to meet the surface quality requirement matched with the windshield. The automobile roof front beam assembly manufactured by the method has the advantages of high part size precision and surface precision, good part interchangeability and high material utilization rate.
The invention has the advantages that: the front cross beam of the top cover with the integrated structure occupies small space, is good in visual field of drivers and passengers, light in weight, excellent in performance, good in torsion resistance effect, high in strength, simplified in assembly process and capable of realizing continuous automatic production; the size precision and the surface precision of the part are high, the interchangeability is good, and the material utilization rate is high.
Drawings
Fig. 1 is a schematic structural view of a conventional front cross member of an automobile roof.
FIG. 2 is a schematic cross-sectional view taken along line A-A of a conventional front cross member of a vehicle roof.
FIG. 3 is a schematic structural diagram of a front cross member assembly of a vehicle roof according to an embodiment of the present invention.
FIG. 4 is a schematic cross-sectional view B-B of a front cross member assembly of a vehicle roof according to an embodiment of the present invention.
FIG. 5 is an exploded view of a front cross member assembly of a vehicle roof in accordance with an embodiment of the present invention.
FIG. 6 is an enlarged fragmentary view of an exploded view of a front cross member assembly of a vehicle roof in accordance with an embodiment of the present invention.
FIG. 7 is a schematic cross-sectional view of the connection portion of the front cross member of the top cover and the connection mechanism according to the embodiment of the invention.
Fig. 8 is a schematic structural diagram of an upper connecting plate according to an embodiment of the present invention.
Fig. 9 is a schematic structural view of a lower connecting plate according to an embodiment of the present invention.
FIG. 10 is a schematic structural diagram of the connection between the front cross member assembly of the top cover of the automobile and the left side wall assembly and the right side wall assembly in the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1 and 2, the existing automobile roof front beam comprises an inner plate and an outer plate which are manufactured by punch forming, the two plates are fixed together by welding, the occupied space is large, the weight is heavy, and the welding is easy to deform.
As shown in FIG. 3, the automobile roof front beam assembly comprises a roof front beam 1 and side wall connecting mechanisms 2, wherein the two ends of the roof front beam 1 are fixedly connected with the side wall connecting mechanisms 2 respectively.
As shown in fig. 4, the top cover front beam 1 is an integrated profile structure, the outer frame of the cross section of the top cover front beam is in a closed ring shape, the inside of the top cover front beam is in a shape of a Chinese character mi connected with the outer frame, and the top cover front beam 1 is made of aluminum alloy.
As shown in fig. 5 and 6, a first connecting edge 11 is fixedly connected to each of the front and rear sides of each end of the roof front cross member 1.
As shown in fig. 5 to 7, the side wall connecting mechanism 2 includes an upper connecting plate 21, a lower connecting plate 22, and rivets 23, the upper connecting plate 21 is located above the top cover front beam 1, the lower connecting plate 22 is located below the top cover front beam 1, the upper connecting plate 21, the lower connecting plate 22, and the top cover front beam 1 are fixedly connected into a whole by a plurality of rivets 23, and the rivets 23 are SPR rivets.
As shown in fig. 8, the upper connecting plate 21 includes an upper connecting plate main body 211, a second connecting edge 212, a third connecting edge 213, a windshield positioning hole 214; the upper connecting plate main body 211 is bent into a shape like a Chinese character 'ji', the front side and the rear side of the upper connecting plate main body 211 are respectively and fixedly connected with second connecting edges 212, the outer side of the upper connecting plate main body 211, which faces the top cover front beam 1 along the length direction, is fixedly connected with a third connecting edge 213, and the upper connecting plate main body 211 is provided with a windshield positioning hole 214; referring to fig. 5 to 7, the upper connecting plate main body 211 covers the end of the top cover front beam 1 and extends out of the end of the top cover front beam 1 along the length direction of the top cover front beam 1, and the upper connecting plate main body 211 is bonded with the top cover front beam 1 through structural adhesive; the second connecting edge 212 is located above the first connecting edge 11, and the second connecting edge 212 is bonded to the first connecting edge 11 by structural adhesive.
As shown in fig. 9, the lower connection plate 22 includes a lower connection plate main body 221, a fourth connection edge 222, a fifth connection edge 223; the lower connecting plate main body 221 is bent into a zigzag shape, the front side and the rear side of the lower connecting plate main body 221 are fixedly connected with fourth connecting edges 222 respectively, and the outer side of the lower connecting plate main body 221, which faces the top cover front cross beam 1 along the length direction, is fixedly connected with fifth connecting edges 223; referring to fig. 5 to 7, the lower connecting plate main body 221 covers the lower part of the end part of the top cover front beam 1 and extends out of the end part of the top cover front beam 1 along the length direction of the top cover front beam 1, the upper connecting plate main body 211 and the part of the lower connecting plate main body 221 extending out of the end part of the top cover front beam 1 are overlapped together, and the upper connecting plate main body 211 is bonded with the top cover front beam 1 through structural adhesive; the fourth connecting edge 222 is located below the first connecting edge 11, and the fourth connecting edge 222 is bonded to the first connecting edge 11 through structural adhesive; the first connecting edge 11, the second connecting edge 212 and the fourth connecting edge 222 are fixedly connected together by a plurality of rivets 23.
As shown in fig. 10, the two side wall connecting mechanisms 2 are respectively and fixedly connected with the left side wall assembly 4 and the right side wall assembly 3, the third connecting edges 213 of the two side wall connecting mechanisms 2 are respectively and fixedly connected with the side wall outer plates of the left side wall assembly 4 and the right side wall assembly 3, and the fourth connecting edges 222 of the two side wall connecting mechanisms 2 are respectively and fixedly connected with the a-pillar inner plates of the left side wall assembly 4 and the right side wall assembly 3.
The method for manufacturing the automobile top cover front cross beam assembly comprises the following steps:
step one, casting an aluminum bar used for manufacturing the front cross beam 1 of the top cover after vacuum melting, then extruding a section to form a required section shape, and then cutting and hydroforming to produce a required shape;
secondly, performing hardness strengthening on the formed top cover front cross beam 1 through heat treatment;
and step three, processing the surface of the glass gluing surface of the top cover front beam 1 to meet the surface quality requirement matched with the windshield.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a vapour car roof front beam assembly which characterized in that: the novel steel plate roof structure is characterized by comprising a top cover front cross beam (1) and side wall connecting mechanisms (2), wherein the two ends of the top cover front cross beam (1) are respectively and fixedly connected with the side wall connecting mechanisms (2), and the top cover front cross beam (1) is of an integrated profile structure.
2. The vehicle roof front rail assembly of claim 1, wherein: the cross section outer frame of the top cover front beam (1) is in a closed ring shape, and the inside of the top cover front beam is in a shape of a Chinese character 'mi' connected with the outer frame.
3. The vehicle roof front rail assembly of claim 1, wherein: the top cover front cross beam (1) is made of aluminum alloy.
4. The vehicle roof front rail assembly of claim 1, wherein: the side wall connecting mechanism (2) comprises an upper connecting plate (21) and a lower connecting plate (22), the upper connecting plate (21) is located above the top cover front cross beam (1), the lower connecting plate (22) is located below the top cover front cross beam (1), and the upper connecting plate (21), the lower connecting plate (22) and the top cover front cross beam (1) are fixedly connected into a whole.
5. The vehicle roof front rail assembly of claim 4, wherein: the front side and the rear side of each end part of the top cover front cross beam (1) are respectively and fixedly connected with a first connecting edge (11); the upper connecting plate (21) comprises an upper connecting plate main body (211) and second connecting edges (212), the front side and the rear side of the upper connecting plate main body (211) are respectively and fixedly connected with the second connecting edges (212), the upper connecting plate main body (211) covers the upper part of the end part of the top cover front cross beam (1), and the second connecting edges (212) are positioned above the first connecting edges (11); the lower connecting plate (22) comprises a lower connecting plate main body (221) and a fourth connecting edge (222), the front side and the rear side of the lower connecting plate main body (221) are fixedly connected with the fourth connecting edge (222) respectively, the lower connecting plate main body (221) covers the lower portion of the end portion of the top cover front cross beam (1), and the fourth connecting edge (222) is located below the first connecting edge (11).
6. The vehicle roof front rail assembly of claim 5, wherein: the side wall connecting mechanism (2) further comprises a rivet (23), and the first connecting edge (11), the second connecting edge (212) and the fourth connecting edge (222) are fixedly connected together through the rivet (23).
7. The vehicle roof front rail assembly of claim 6, wherein: the upper connecting plate main body (211) and the lower connecting plate main body (221) are respectively bonded with the top cover front cross beam (1), and the second connecting edge (212) and the fourth connecting edge (222) are respectively bonded with the first connecting edge (11).
8. The vehicle roof front rail assembly of claim 5, wherein: the upper connecting plate main body (211) is fixedly connected with a third connecting edge (213) towards the outer side of the top cover front cross beam (1) along the length direction, and the lower connecting plate main body (221) is fixedly connected with a fifth connecting edge (223) towards the outer side of the top cover front cross beam (1) along the length direction.
9. The vehicle roof front rail assembly of claim 5, wherein: and a windshield positioning hole (214) is formed in the upper connecting plate main body (211).
10. A method of manufacturing a front cross-member assembly for a roof of a vehicle according to any one of claims 1 to 9, comprising the steps of:
step one, casting a material for manufacturing a front cross beam (1) of the top cover after vacuum melting, then extruding a profile to form a required cross section shape, and then cutting and hydroforming to produce a required shape;
secondly, performing hardness strengthening on the formed top cover front cross beam (1) through heat treatment;
and step three, processing the surface of the glass gluing surface of the top cover front beam (1) to meet the surface quality requirement matched with the windshield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110728004.1A CN113525526A (en) | 2021-06-29 | 2021-06-29 | Automobile top cover front cross beam assembly and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110728004.1A CN113525526A (en) | 2021-06-29 | 2021-06-29 | Automobile top cover front cross beam assembly and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN113525526A true CN113525526A (en) | 2021-10-22 |
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| CN202110728004.1A Pending CN113525526A (en) | 2021-06-29 | 2021-06-29 | Automobile top cover front cross beam assembly and manufacturing method thereof |
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Application publication date: 20211022 |