CN219277623U - Automobile thermoforming material splice welding door ring structure - Google Patents
Automobile thermoforming material splice welding door ring structure Download PDFInfo
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- CN219277623U CN219277623U CN202320876955.8U CN202320876955U CN219277623U CN 219277623 U CN219277623 U CN 219277623U CN 202320876955 U CN202320876955 U CN 202320876955U CN 219277623 U CN219277623 U CN 219277623U
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Abstract
A splice welding door ring structure of an automobile thermoforming material belongs to the field of automobile part design and manufacture, and solves the problems of high welding difficulty, complex welding process, high manufacturing cost and long period of the existing automobile door ring structure. The door ring structure is mainly characterized in that one welding line is on the extension line of the circular opposite side welding line in all welding line positions of butt welding, namely two welding lines are on the same straight line, and in the application processing process, the welding lines on the same straight line can be realized through a linear welding machine. The specific door ring structure is described according to three parts including A post, B post and threshold roof beam of automobile structure position with the welding integral type door ring divide into, and this door ring structure commonality is good, and the straight line welding machine that the commonality is strong can be used welds, does not need auxiliary fixture to amortize, has improved work efficiency, has reduced the processing degree of difficulty and processing cost. The door ring structure has the advantages of high safety coefficient, short production preparation time and small accumulated error, and improves the quality of the door ring structure.
Description
Technical Field
The utility model belongs to the technical field of design and manufacture of automobile parts, and particularly relates to a splice welding door ring structure of an automobile thermoforming material.
Background
The laser splice welding plate is an integral plate formed by automatically splicing and welding a plurality of steel materials with different materials, different thicknesses and different coatings, stainless steel materials, aluminum alloy materials and the like by adopting high-temperature energy. The laser splice welding plate can meet different requirements of parts on material performance, and the lightest weight, the optimal structure and the optimal performance are used for realizing the lightest weight of equipment such as automobiles.
The automobile thermoforming material splice welding door ring is a preferable scheme for improving the safety of an automobile, reducing the manufacturing cost and reducing the weight of an automobile body, is accepted by automobile main engine factories in recent years, but has the defects of high manufacturing cost, long manufacturing clamp time and the like because the traditional automobile door ring can only be subjected to splice welding by a 2D welding machine. At present, the existing automobile door ring structure is shown in fig. 1, mainly comprises 5 parts, namely a plate (1) -a plate (5), and adopts five plates to be welded at one time during welding, wherein the welding process is as follows: abutting the edges to be welded of the plates together through a workbench to form an annular plate structure, clamping the plates on the workbench through an electromagnet or a vacuum chuck, wherein the gap between the abutting parts of the edges to be welded after clamping is smaller than or equal to 0.3mm; firstly, a workbench and a plate are opened into a welding area in the X direction; welding is completed at the butt joint of the edges to be welded, the welding head moves in the Y direction, the workbench and the plate move in the X direction, and each welding bead is completed by moving the workbench and the plate in the X direction and matching with the laser head to move in the Y direction. The welded automobile door ring structure is difficult to follow-up use requirements due to the fact that the accumulated error delta of the plate gaps is large and exceeds welding requirements due to insufficient clamping or manufacturing precision, and welding defects are generated. In addition, the existing automobile door ring structure is welded by adopting a curve welding machine mostly, any two welding seams are not on the same straight line, and subsequent use requirements are not facilitated.
The chinese patent publication No. CN115056856a discloses a front door ring structure, a side wall assembly and a vehicle, where the front door ring structure disclosed in the patent mainly includes a B pillar lower section, a B pillar upper section, a side wall upper side beam, an a pillar upper section, an a pillar lower section and a threshold beam, which are surrounded to form a front door opening frame, and the B pillar lower section, the B pillar upper section and the side wall upper side beam are sequentially overlapped to be welded. The front door ring structure is a structure which is subjected to lap welding after stamping, and the welding difficulty is increased and the processing cost is increased due to the fact that the welding positions are more. The door ring structure disclosed in the patent mainly comprises a door ring body, wherein the door ring body is of a single-piece structure formed by welding a plurality of blanking pieces through laser, and the joint between two adjacent blanking pieces is directly connected in a butt joint mode and then is connected through the laser welding. The door ring structure is a structure which needs to be welded by a curve welding machine, the welding process is complex, and the production cost is greatly increased. As disclosed in chinese patent publication No. CN114987622a, a "thermoformable laser splice welding integrated door ring structure" is disclosed, and the door ring structure disclosed in this patent mainly includes a first door ring structure and a second door ring structure, where the first door ring structure and the second door ring structure are welded by laser and form a weld, and when annular webs of the first door ring structure and the second door ring structure are placed in a overlapping manner, overlapping or gaps between the weld corresponding to the first door ring structure and the second door ring structure satisfy a preset distance. Because the door ring structure is welded by adopting a curve welding machine, the welding process is complex, the manufacturing cost is high, and the production preparation period is long.
Disclosure of Invention
The utility model provides a splice welding door ring structure of an automobile thermoforming material, which aims to solve the problems of high welding difficulty, complex welding process, high manufacturing cost and long period of the existing automobile door ring structure.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model relates to a door ring structure welded by automobile thermoforming materials, which comprises the following components: the pillar A, the pillar B and the threshold beam; the A column is provided with a first auxiliary positioning hole of the A column, a positioning hole of the A column and a second auxiliary positioning hole of the A column, the B column is provided with a first auxiliary positioning hole of the B column, a positioning hole of the B column and a second auxiliary positioning hole of the B column, and the threshold beam is provided with a threshold beam auxiliary positioning hole, a threshold beam positioning hole and a threshold beam bulge; 2 welding seams or 3 welding seams are arranged on the A column; 2 welding seams are arranged on the B column; the threshold beam is provided with 1 welding line or 2 welding lines; welds on the a-pillar, B-pillar, and threshold beam satisfy one of the following conditions:
(1) The 1 welding seam on the A column and the 1 welding seam on the threshold beam are on the same straight line;
(2) The welding lines on the A column and the welding lines on the threshold beam are on the same straight line, and the other 1 welding line on the A column and the welding lines on the B column are on the same straight line;
(3) The 1 welding line on the A column and the 1 welding line on the B column are on the same straight line;
(4) The 2 welding seams on the A column and the 2 welding seams on the B column are respectively on the same straight line;
(5) And 2 welding seams on the A column and 2 welding seams on the threshold beam are on the same straight line.
Further, a third welding seam is arranged at the rear section of the upper end of the column A, a seventh welding seam is arranged at the front section of the lower end of the column A, a first welding seam and a second welding seam are respectively arranged at the upper end and the lower end of the column B, a fourth welding seam is arranged at the rear section of the threshold beam, and the third welding seam and the fourth welding seam are on the same straight line, namely, the fourth welding seam is on an extension line of the third welding seam or the third welding seam is on an extension line of the fourth welding seam.
Further, a third welding line is arranged at the rear section of the upper end of the column A, a seventh welding line is arranged at the front section of the lower end of the column A, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the column B, a fourth welding line is arranged at the rear section of the threshold beam, a fifth welding line is arranged at the front section of the threshold beam, and the third welding line and the fourth welding line are on the same straight line, namely, the fourth welding line is on the extension line of the third welding line or the third welding line is on the extension line of the fourth welding line.
Further, a third welding line is arranged at the rear section of the upper end of the column A, a sixth welding line is arranged at the rear section of the lower end of the column A, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the column B, a fourth welding line is arranged at the rear section of the threshold beam, and the second welding line and the sixth welding line are on the same straight line, namely, the second welding line is on the extension line of the sixth welding line or the sixth welding line is on the extension line of the second welding line; and meanwhile, the third welding line and the fourth welding line are on the same straight line, namely the fourth welding line is on the extension line of the third welding line or the extension line of the fourth welding line.
Further, a third welding seam is arranged at the rear section of the upper end of the column A, a sixth welding seam is arranged at the rear section of the lower end of the column A, a first welding seam and a second welding seam are respectively arranged at the upper end and the lower end of the column B, a fifth welding seam is arranged at the front section of the threshold beam, and the second welding seam and the sixth welding seam are on the same straight line, namely, the second welding seam is on an extension line of the sixth welding seam or the sixth welding seam is on an extension line of the second welding seam.
Further, an eighth welding line is arranged in the middle of the upper end of the column A, a sixth welding line is arranged in the rear section of the lower end of the column A, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the column B, a fourth welding line is arranged at the rear section of the threshold beam, and the second welding line and the sixth welding line are on the same straight line, namely, the second welding line is on the extension line of the sixth welding line or the sixth welding line is on the extension line of the second welding line; and meanwhile, the first welding line and the eighth welding line are on the same straight line, namely the first welding line is on the extension line of the eighth welding line or the eighth welding line is on the extension line of the first welding line.
Further, an eighth welding line is arranged in the middle of the upper end of the column A, a sixth welding line is arranged in the rear of the lower end of the column A, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the column B, a fifth welding line is arranged at the front section of the threshold beam, and the second welding line and the sixth welding line are on the same straight line, namely, the second welding line is on the extension line of the sixth welding line or the sixth welding line is on the extension line of the second welding line; and meanwhile, the first welding line and the eighth welding line are on the same straight line, namely the first welding line is on the extension line of the eighth welding line or the eighth welding line is on the extension line of the first welding line.
Further, an eighth welding line is arranged in the middle of the upper end of the column A, a sixth welding line is arranged in the rear of the lower end of the column A, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the column B, and the second welding line and the sixth welding line are on the same straight line, namely the second welding line is on an extension line of the sixth welding line or the sixth welding line is on an extension line of the second welding line; and meanwhile, the first welding line and the eighth welding line are on the same straight line, namely the first welding line is on the extension line of the eighth welding line or the eighth welding line is on the extension line of the first welding line.
Further, a third welding line is arranged at the rear section of the upper end of the column A, a ninth welding line is arranged at the middle section of the upper end of the column A, a first welding line or a second welding line is respectively arranged at the upper end and the lower end of the column B, a fourth welding line is arranged at the rear section of the threshold beam, a fifth welding line is arranged at the front section of the threshold beam, and the third welding line and the fourth welding line are on the same straight line, namely the third welding line is on the extension line of the fourth welding line or the fourth welding line is on the extension line of the third welding line; and meanwhile, the fifth welding line and the ninth welding line are on the same straight line, namely the fifth welding line is on the extension line of the ninth welding line or the ninth welding line is on the extension line of the fifth welding line.
The beneficial effects of the utility model are as follows:
The door ring structure welded by the automobile thermoforming material has good universality, can be welded by using a linear welding machine with strong universality, does not need auxiliary fixture amortization, improves the working efficiency, and reduces the processing difficulty and the processing cost.
The automobile thermoforming material splice welding door ring structure has the advantages of high safety coefficient and short production preparation time, solves the problems of high welding difficulty, complex welding process, high manufacturing cost and long period of the existing automobile door ring structure, increases the shearing of C-shaped structural members during splice welding, ensures the straightness of plates to be welded at two sides, and can eliminate accumulated errors caused by multi-plate splice welding and improve the production quality of the door ring structure.
Drawings
Fig. 1 is a schematic view of a conventional automobile door ring.
FIG. 2 is a schematic view of a tailor welded door ring made of an automotive thermoformable material according to the present utility model.
FIG. 3 is a schematic view of a split welded door ring made of a thermoformable material for an automobile according to a first embodiment.
Fig. 4 is a process for manufacturing a tailor welded door ring of an automotive thermoformable material in accordance with one embodiment.
FIG. 5 is a schematic view of a tailor welded door ring made of an automotive thermoformable material according to a second embodiment.
FIG. 6 is a schematic view of a split welded door ring made of an automotive thermoformable material according to a third embodiment.
FIG. 7 is a schematic view of a split welded door ring made of an automotive thermoformable material according to a fourth embodiment.
Fig. 8 is a schematic view of a split welding door ring made of an automobile thermoforming material in a fifth embodiment.
FIG. 9 is a schematic view of a split welded door ring made of a thermoformable material for an automobile according to a sixth embodiment.
FIG. 10 is a schematic view of a split welded door ring made of an automotive thermoformable material according to a seventh embodiment.
FIG. 11 is a schematic view of a split welded door ring made of a thermoformable material for an automobile according to an eighth embodiment.
In the figure, 1, a first welding seam, 2, a second welding seam, 3, a third welding seam, 4, a fourth welding seam, 5, a fifth welding seam, 6, a sixth welding seam, 7, a seventh welding seam, 8, an eighth welding seam, 9, a ninth welding seam, 10, an A column, 101, an A column first auxiliary positioning hole, 102, an A column positioning hole, 103, an A column second auxiliary positioning hole, 20, a B column, 201, a B column first auxiliary positioning hole, 202, a B column positioning hole, 203, a B column second auxiliary positioning hole, 30, a threshold beam, 301, a threshold beam auxiliary positioning hole, 302, a threshold beam positioning hole, 303 and a threshold beam bulge.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the utility model. It should be understood, however, that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model relates to an automobile door ring structure spliced by an automobile thermoforming material, which can be spliced by a linear welder without a 2D welder and a special welding workbench.
As shown in fig. 2, the utility model relates to a door ring structure of a thermal forming material for an automobile, which mainly comprises: a-pillar 10, B-pillar 20, and rocker beam 30; wherein, the A column 10 is provided with an A column first auxiliary positioning hole 101, an A column positioning hole 102 and an A column second auxiliary positioning hole 103; the B column 20 is provided with a B column first auxiliary positioning hole 201, a B column positioning hole 202 and a B column second auxiliary positioning hole 203; the rocker beam 30 is provided with a rocker beam auxiliary positioning hole 301, a rocker beam positioning hole 302, and a rocker beam boss 303.
2 welding seams or 3 welding seams are arranged on the A column 10; 2 welding seams are arranged on the B column 20; the threshold beam is provided with 1 welding line or 2 welding lines; the welds on the a-pillar 10, the B-pillar 20, and the rocker 30 satisfy one of the following conditions:
(1) The 1 weld seam on the a-pillar 10 is on the same line as the 1 weld seam on the threshold beam 30;
(2) The 1 weld seam on the a-pillar 10 is on the same line as the 1 weld seam on the threshold beam 30, while the other 1 weld seam on the a-pillar 10 is on the same line as the 1 weld seam on the B-pillar 20;
(3) The 1 weld on the a-pillar 10 is on the same straight line as the 1 weld on the B-pillar 20;
(4) The 2 welding seams on the A column 10 and the 2 welding seams on the B column 20 are respectively on the same straight line;
(5) The 2 welds on the a-pillar 10 are collinear with the 2 welds on the rocker 30.
The utility model relates to a door ring structure welded by splicing a hot forming material of an automobile, wherein a plate material coating to be welded can be an aluminum-silicon coating or other coatings or no coating. Wherein, the single-sided weight of the aluminum silicon coating is not more than 40 g/square meter, and the single-sided weight is not less than 40 g/square meter; if the single-sided weight is less than or equal to 40 g/square meter, the welding can be performed by adopting a direct laser filler wire welding process, and if the single-sided weight is more than or equal to 40 g/square meter, the plating layer can be removed by adopting an ablation process, and other laser welding processes can be adopted, but the welding strength is more than or equal to the strength of a base material.
The material base material of the automobile thermoforming material can be 22MnB5, and can also be other materials with different grades, brands and the like for hot stamping of automobile parts.
Wherein the thickness of the automotive thermoforming material is 0.8mm-5mm, and the thickness is preferably 1mm-3mm.
The overlapping relationship between the a-pillar 10, the B-pillar 20, and the rocker 30 is divided into the following cases, which will be described separately.
Detailed description of the preferred embodiments
As shown in fig. 2, the utility model relates to a door ring structure of a thermal forming material for an automobile, which mainly comprises: a-pillar 10, B-pillar 20, and rocker beam 30; wherein, the A column 10 is provided with an A column first auxiliary positioning hole 101, an A column positioning hole 102 and an A column second auxiliary positioning hole 103; the B column 20 is provided with a B column first auxiliary positioning hole 201, a B column positioning hole 202 and a B column second auxiliary positioning hole 203; the rocker beam 30 is provided with a rocker beam auxiliary positioning hole 301, a rocker beam positioning hole 302, and a rocker beam boss 303.
The overlapping relation among the A column 10, the B column 20 and the threshold beam 30 is shown in fig. 3, a third welding line 3 is arranged at the rear section of the upper end of the A column, a seventh welding line 7 is arranged at the front section of the lower end of the A column, a first welding line 1 and a second welding line 2 are respectively arranged at the upper end and the lower end of the B column, a fourth welding line 4 is arranged at the rear section of the threshold beam, the third welding line 3 and the fourth welding line 4 are on the same straight line, namely, the fourth welding line 4 is on the extension line of the third welding line 3 or the third welding line 3 is on the extension line of the fourth welding line 4. The first weld 1, the second weld 2, the third weld 3, the fourth weld 4 and the seventh weld 7 are welded to form the split welding door ring structure of the automotive thermoforming material of the present embodiment.
As shown in fig. 4, the processing technology of the tailor-welded blank door ring structure of the automotive thermoforming material in the embodiment specifically includes the following steps:
step (1): firstly, after blanking a plate to be welded, dividing the plate into five parts, and then respectively processing the five parts into shapes required by door rings to respectively obtain a plate VP1, a plate VP2, a plate VP3, a plate VP4 and a plate VP5, wherein the flatness of the plate VP1, the plate VP2, the plate VP3, the plate VP4 and the plate VP5 is ensured to be less than or equal to 3mm;
step (2): and shearing edges to be welded of the plate VP1 and the plate VP2, ensuring that the straightness meets the welding requirement, namely that the straightness of the edges to be welded is less than or equal to 0.15mm, and ensuring the welding requirement by other necessary processing. The plate VP1 and the plate VP2 are installed on a linear welding machine, parameters are adjusted, the plate VP1 and the plate VP2 are connected through laser splice welding to obtain a VP1+VP2 combination, the connection strength is not less than the weaker side strength of a parent metal, and a welding seam between the plate VP1 and the plate VP2 is a first welding seam 1;
step (3): cutting the to-be-welded edge of the plate VP3, ensuring that the straightness meets the welding requirement, namely that the straightness of the to-be-welded edge is less than or equal to 0.15mm, and ensuring the welding requirement by other necessary processing. Mounting the VP1+VP2 assembly and the plate VP3 to a linear welding machine, adjusting parameters, and connecting the VP1+VP2 assembly and the plate VP3 through laser tailor-welding to obtain the VP1+VP2+VP3 assembly, wherein the connection strength is more than or equal to the weaker side strength of the parent metal, and the welding seam between the plate VP2 and the plate VP3 is a second welding seam 2;
Step (4): cutting the to-be-welded edge of the VP1, VP2 and VP3 combined body, ensuring that the straightness meets the welding requirement, namely that the straightness of the to-be-welded edge is less than or equal to 0.15mm, and ensuring that other machining is necessary;
step (5): and shearing the edges to be welded of the plate VP4 and the plate VP5, ensuring that the straightness meets the welding requirement, namely that the straightness of the edges to be welded is less than or equal to 0.15mm, and ensuring the welding requirement by other necessary processing. Mounting the plate VP4 and the plate VP5 on a linear welding machine, adjusting parameters, and connecting the plate VP4 and the plate VP5 through laser splice welding to obtain a VP4+VP5 combination, wherein the connection strength is more than or equal to the weaker side strength of a parent metal, and the welding seam between the plate VP4 and the plate VP5 is a seventh welding seam 7;
step (6): and mounting the combination of VP1, VP2 and VP3 and the combination of VP4 and VP5 to a linear welding machine, adjusting parameters, connecting the combination of VP1, VP2 and VP3 and the combination of VP4 and VP5 through laser welding to obtain the combination of VP1, VP2, VP3, VP4 and VP5, namely butt welding the shearing edges of the combination of VP1, VP2 and VP3 and the combination of VP4 and VP5, ensuring that the connection strength is not less than the weaker side strength of a parent metal, thereby forming a closed door ring structure, and finishing welding of the splice welding door ring splice welding plate of the automobile thermoforming material. The welding seam between the plate VP4 and the plate VP3 is a fourth welding seam 4, the welding seam between the plate VP5 and the plate VP1 is a third welding seam 3, the third welding seam 3 and the fourth welding seam 4 are on the same straight line, and the third welding seam 3 and the fourth welding seam 4 are subjected to in-order straight line welding during welding.
In order to reduce the attenuation of the laser energy density and prevent embrittlement of the weld joint, a shielding gas such as an inert gas or other gas with higher ionization energy should be used for welding protection during the laser welding process. It is particularly preferred to use pure argon, helium, nitrogen or mixtures thereof or mixtures consisting of argon, helium, nitrogen and/or carbon dioxide and/or oxygen as shielding gas.
The welded door ring structure of the automobile thermoforming material is subjected to hot stamping quenching, and the tensile strength of a welded joint is not lower than that of a base material, and is more than or equal to 1450Mpa by taking a 22MnB5 base material as an example.
According to the door ring structure welded by the automobile thermoforming material, the plate material coating to be welded is an aluminum-silicon coating, the single-sided weight of the aluminum-silicon coating is less than or equal to 40 g/square meter, the automobile thermoforming material can be welded by adopting a direct laser filler wire welding process, and the welding strength is required to be more than or equal to the base material strength.
The material base material of the automobile thermoforming material is preferably 22MnB5.
Wherein the thickness of the automobile thermoforming material is 2mm.
Detailed description of the preferred embodiments
As shown in fig. 2, the utility model relates to a door ring structure of a thermal forming material for an automobile, which mainly comprises: a-pillar 10, B-pillar 20, and rocker beam 30; wherein, the A column 10 is provided with an A column first auxiliary positioning hole 101, an A column positioning hole 102 and an A column second auxiliary positioning hole 103; the B column 20 is provided with a B column first auxiliary positioning hole 201, a B column positioning hole 202 and a B column second auxiliary positioning hole 203; the rocker beam 30 is provided with a rocker beam auxiliary positioning hole 301, a rocker beam positioning hole 302, and a rocker beam boss 303.
As shown in FIG. 5, the overlapping relationship among the A column 10, the B column 20 and the threshold beam 30 is that the rear section of the upper end of the A column is provided with a third welding seam 3, the front section of the lower end of the A column is provided with a seventh welding seam 7, the upper end and the lower end of the B column are respectively provided with a first welding seam 1 and a second welding seam 2, the rear section of the threshold beam is provided with a fourth welding seam 4, the front section of the threshold beam is provided with a fifth welding seam 5, the third welding seam 3 and the fourth welding seam 4 are on the same straight line, namely, the fourth welding seam 4 is on the extension line of the third welding seam 3 or the extension line of the third welding seam 3 is on the extension line of the fourth welding seam 4. The first weld 1, the second weld 2, the third weld 3, the fourth weld 4, the fifth weld 5 and the seventh weld 7 are welded to form the split welding door ring structure of the automotive thermoforming material of the present embodiment.
The processing technology of the split welding door ring structure of the automobile thermoforming material of the embodiment is operated with reference to the first embodiment.
In order to reduce the attenuation of the laser energy density and prevent embrittlement of the weld joint, a shielding gas such as an inert gas or other gas with higher ionization energy should be used for welding protection during the laser welding process. It is particularly preferred to use pure argon, helium, nitrogen or mixtures thereof or mixtures consisting of argon, helium, nitrogen and/or carbon dioxide and/or oxygen as shielding gas.
The welded door ring structure of the automobile thermoforming material is subjected to hot stamping quenching, and the tensile strength of a welded joint is not lower than that of a base material, and is more than or equal to 1450Mpa by taking a 22MnB5 base material as an example.
According to the door ring structure of the automobile thermoforming material, the plate material to be welded is free of a plating layer.
The material base material of the automobile thermoforming material is preferably 22MnB5.
Wherein the thickness of the automobile thermoforming material is 3mm.
Detailed description of the preferred embodiments
As shown in fig. 2, the utility model relates to a door ring structure of a thermal forming material for an automobile, which mainly comprises: a-pillar 10, B-pillar 20, and rocker beam 30; wherein, the A column 10 is provided with an A column first auxiliary positioning hole 101, an A column positioning hole 102 and an A column second auxiliary positioning hole 103; the B column 20 is provided with a B column first auxiliary positioning hole 201, a B column positioning hole 202 and a B column second auxiliary positioning hole 203; the rocker beam 30 is provided with a rocker beam auxiliary positioning hole 301, a rocker beam positioning hole 302, and a rocker beam boss 303.
The lap joint relation among the A column 10, the B column 20 and the threshold beam 30 is shown in fig. 6, a third welding line 3 is arranged at the rear section of the upper end of the A column, a sixth welding line 6 is arranged at the rear section of the lower end of the A column, a first welding line 1 and a second welding line 2 are respectively arranged at the upper end and the lower end of the B column, a fourth welding line 4 is arranged at the rear section of the threshold beam, the second welding line 2 and the sixth welding line 6 are on the same straight line, namely, the second welding line 2 is on the extension line of the sixth welding line 6 or the sixth welding line 6 is on the extension line of the second welding line 2; while the third weld 3 is collinear with the fourth weld 4, i.e., the fourth weld 4 is on the extension of the third weld 3 or the third weld 3 is on the extension of the fourth weld 4. The first weld 1, the second weld 2, the third weld 3, the fourth weld 4 and the sixth weld 6 are welded to form the split welding door ring structure of the automotive thermoforming material of the present embodiment.
The processing technology of the split welding door ring structure of the automobile thermoforming material of the embodiment is operated with reference to the first embodiment.
In order to reduce the attenuation of the laser energy density and prevent embrittlement of the weld joint, a shielding gas such as an inert gas or other gas with higher ionization energy should be used for welding protection during the laser welding process. It is particularly preferred to use pure argon, helium, nitrogen or mixtures thereof or mixtures consisting of argon, helium, nitrogen and/or carbon dioxide and/or oxygen as shielding gas.
The welded door ring structure of the automobile thermoforming material is subjected to hot stamping quenching, and the tensile strength of a welded joint is not lower than that of a base material, and is more than or equal to 1450Mpa by taking a 22MnB5 base material as an example.
According to the spliced welding door ring structure of the automobile thermoforming material, the plate material coating to be welded is an aluminum-silicon coating, the single-sided weight of the aluminum-silicon coating is more than or equal to 40 g/square meter, the coating is removed by adopting an ablation process, and the welding strength is more than or equal to the base material strength.
The material base material of the automobile thermoforming material is preferably 22MnB5.
Wherein the thickness of the automobile thermoforming material is 1mm.
Detailed description of the preferred embodiments
As shown in fig. 2, the utility model relates to a door ring structure of a thermal forming material for an automobile, which mainly comprises: a-pillar 10, B-pillar 20, and rocker beam 30; wherein, the A column 10 is provided with an A column first auxiliary positioning hole 101, an A column positioning hole 102 and an A column second auxiliary positioning hole 103; the B column 20 is provided with a B column first auxiliary positioning hole 201, a B column positioning hole 202 and a B column second auxiliary positioning hole 203; the rocker beam 30 is provided with a rocker beam auxiliary positioning hole 301, a rocker beam positioning hole 302, and a rocker beam boss 303.
The overlapping relation among the A column 10, the B column 20 and the threshold beam 30 is shown in fig. 7, a third welding line 3 is arranged at the rear section of the upper end of the A column, a sixth welding line 6 is arranged at the rear section of the lower end of the A column, a first welding line 1 and a second welding line 2 are respectively arranged at the upper end and the lower end of the B column, a fifth welding line 5 is arranged at the front section of the threshold beam, the second welding line 2 and the sixth welding line 6 are on the same straight line, namely, the second welding line 2 is on the extension line of the sixth welding line 6 or the sixth welding line 6 is on the extension line of the second welding line 2. The first weld 1, the second weld 2, the third weld 3, the fifth weld 5 and the sixth weld 6 are welded to form the split welding door ring structure of the automotive thermoforming material of the present embodiment.
The processing technology of the split welding door ring structure of the automobile thermoforming material of the embodiment is operated with reference to the first embodiment.
In order to reduce the attenuation of the laser energy density and prevent embrittlement of the weld joint, a shielding gas such as an inert gas or other gas with higher ionization energy should be used for welding protection during the laser welding process. It is particularly preferred to use pure argon, helium, nitrogen or mixtures thereof or mixtures consisting of argon, helium, nitrogen and/or carbon dioxide and/or oxygen as shielding gas.
The welded door ring structure of the automobile thermoforming material is subjected to hot stamping quenching, and the tensile strength of a welded joint is not lower than that of a base material, and is more than or equal to 1450Mpa by taking a 22MnB5 base material as an example.
According to the spliced welding door ring structure of the automobile thermoforming material, the plate material coating to be welded is an aluminum-silicon coating, the single-sided weight of the aluminum-silicon coating is more than or equal to 40 g/square meter, the coating is removed by adopting an ablation process, and the welding strength is more than or equal to the base material strength.
The material base material of the automobile thermoforming material is preferably 22MnB5.
Wherein the thickness of the automobile thermoforming material is 0.8mm.
Detailed description of the preferred embodiments
As shown in fig. 2, the utility model relates to a door ring structure of a thermal forming material for an automobile, which mainly comprises: a-pillar 10, B-pillar 20, and rocker beam 30; wherein, the A column 10 is provided with an A column first auxiliary positioning hole 101, an A column positioning hole 102 and an A column second auxiliary positioning hole 103; the B column 20 is provided with a B column first auxiliary positioning hole 201, a B column positioning hole 202 and a B column second auxiliary positioning hole 203; the rocker beam 30 is provided with a rocker beam auxiliary positioning hole 301, a rocker beam positioning hole 302, and a rocker beam boss 303.
The lap joint relation among the A column 10, the B column 20 and the threshold beam 30 is shown in fig. 8, an eighth welding line 8 is arranged in the middle section of the upper end of the A column, a sixth welding line 6 is arranged in the rear section of the lower end of the A column, a first welding line 1 and a second welding line 2 are respectively arranged at the upper end and the lower end of the B column, a fourth welding line 4 is arranged in the rear section of the threshold beam, the second welding line 2 and the sixth welding line 6 are on the same straight line, namely, the second welding line 2 is on the extension line of the sixth welding line 6 or the sixth welding line 6 is on the extension line of the second welding line 2; at the same time, the first weld 1 and the eighth weld 8 are on the same straight line, i.e. the first weld 1 is on the extension of the eighth weld 8 or the eighth weld 8 is on the extension of the first weld 1. The first weld 1, the second weld 2, the fourth weld 4, the sixth weld 6 and the eighth weld 8 are welded to form the split welding door ring structure of the automotive thermoformable material of the present embodiment.
The processing technology of the split welding door ring structure of the automobile thermoforming material of the embodiment is operated with reference to the first embodiment.
In order to reduce the attenuation of the laser energy density and prevent embrittlement of the weld joint, a shielding gas such as an inert gas or other gas with higher ionization energy should be used for welding protection during the laser welding process. It is particularly preferred to use pure argon, helium, nitrogen or mixtures thereof or mixtures consisting of argon, helium, nitrogen and/or carbon dioxide and/or oxygen as shielding gas.
The welded door ring structure of the automobile thermoforming material is subjected to hot stamping quenching, and the tensile strength of a welded joint is not lower than that of a base material, and is more than or equal to 1450Mpa by taking a 22MnB5 base material as an example.
According to the door ring structure welded by the automobile thermoforming material, the plate material coating to be welded is an aluminum-silicon coating, the single-sided weight of the aluminum-silicon coating is less than or equal to 40 g/square meter, the automobile thermoforming material can be welded by adopting a direct laser filler wire welding process, and the welding strength is required to be more than or equal to the base material strength.
The material base material of the automobile thermoforming material is preferably 22MnB5.
Wherein the thickness of the automobile thermoforming material is 0.5mm.
Detailed description of the preferred embodiments six
As shown in fig. 2, the utility model relates to a door ring structure of a thermal forming material for an automobile, which mainly comprises: a-pillar 10, B-pillar 20, and rocker beam 30; wherein, the A column 10 is provided with an A column first auxiliary positioning hole 101, an A column positioning hole 102 and an A column second auxiliary positioning hole 103; the B column 20 is provided with a B column first auxiliary positioning hole 201, a B column positioning hole 202 and a B column second auxiliary positioning hole 203; the rocker beam 30 is provided with a rocker beam auxiliary positioning hole 301, a rocker beam positioning hole 302, and a rocker beam boss 303.
The lap joint relation among the A column 10, the B column 20 and the threshold beam 30 is shown in fig. 9, wherein an eighth welding line 8 is arranged in the middle section of the upper end of the A column, a sixth welding line 6 is arranged in the rear section of the lower end of the A column, a first welding line 1 and a second welding line 2 are respectively arranged at the upper end and the lower end of the B column, a fifth welding line 5 is arranged at the front section of the threshold beam, the second welding line 2 and the sixth welding line 6 are on the same straight line, namely, the second welding line 2 is on the extension line of the sixth welding line 6 or the sixth welding line 6 is on the extension line of the second welding line 2; at the same time, the first weld 1 and the eighth weld 8 are on the same straight line, i.e. the first weld 1 is on the extension of the eighth weld 8 or the eighth weld 8 is on the extension of the first weld 1. The first weld 1, the second weld 2, the fifth weld 5, the sixth weld 6 and the eighth weld 8 are welded to form the split welding door ring structure of the automotive thermoformable material of the present embodiment.
The processing technology of the split welding door ring structure of the automobile thermoforming material of the embodiment is operated with reference to the first embodiment.
In order to reduce the attenuation of the laser energy density and prevent embrittlement of the weld joint, a shielding gas such as an inert gas or other gas with higher ionization energy should be used for welding protection during the laser welding process. It is particularly preferred to use pure argon, helium, nitrogen or mixtures thereof or mixtures consisting of argon, helium, nitrogen and/or carbon dioxide and/or oxygen as shielding gas.
The welded door ring structure of the automobile thermoforming material is subjected to hot stamping quenching, and the tensile strength of a welded joint is not lower than that of a base material, and is more than or equal to 1450Mpa by taking a 22MnB5 base material as an example.
According to the door ring structure welded by the automobile thermoforming material, the plate material coating to be welded is an aluminum-silicon coating, the single-sided weight of the aluminum-silicon coating is less than or equal to 40 g/square meter, the automobile thermoforming material can be welded by adopting a direct laser filler wire welding process, and the welding strength is required to be more than or equal to the base material strength.
The material base material of the automobile thermoforming material is preferably 22MnB5.
Wherein the thickness of the automobile thermoforming material is 4mm.
Detailed description of the preferred embodiments
As shown in fig. 2, the utility model relates to a door ring structure of a thermal forming material for an automobile, which mainly comprises: a-pillar 10, B-pillar 20, and rocker beam 30; wherein, the A column 10 is provided with an A column first auxiliary positioning hole 101, an A column positioning hole 102 and an A column second auxiliary positioning hole 103; the B column 20 is provided with a B column first auxiliary positioning hole 201, a B column positioning hole 202 and a B column second auxiliary positioning hole 203; the rocker beam 30 is provided with a rocker beam auxiliary positioning hole 301, a rocker beam positioning hole 302, and a rocker beam boss 303.
As shown in FIG. 10, the lap joint relationship among the A column 10, the B column 20 and the threshold beam 30 is that an eighth welding line 8 is arranged in the middle section of the upper end of the A column, a sixth welding line 6 is arranged in the rear section of the lower end of the A column, a first welding line 1 and a second welding line 2 are respectively arranged at the upper end and the lower end of the B column, the second welding line 2 and the sixth welding line 6 are on the same straight line, namely, the second welding line 2 is on the extension line of the sixth welding line 6 or the sixth welding line 6 is on the extension line of the second welding line 2; at the same time, the first weld 1 and the eighth weld 8 are on the same straight line, i.e. the first weld 1 is on the extension of the eighth weld 8 or the eighth weld 8 is on the extension of the first weld 1. The first weld 1, the second weld 2, the sixth weld 6 and the eighth weld 8 are welded to form the split welding door ring structure of the automotive thermoformed material according to the present embodiment.
The processing technology of the split welding door ring structure of the automobile thermoforming material of the embodiment is operated with reference to the first embodiment.
In order to reduce the attenuation of the laser energy density and prevent embrittlement of the weld joint, a shielding gas such as an inert gas or other gas with higher ionization energy should be used for welding protection during the laser welding process. It is particularly preferred to use pure argon, helium, nitrogen or mixtures thereof or mixtures consisting of argon, helium, nitrogen and/or carbon dioxide and/or oxygen as shielding gas.
The welded door ring structure of the automobile thermoforming material is subjected to hot stamping quenching, and the tensile strength of a welded joint is not lower than that of a base material, and is more than or equal to 1450Mpa by taking a 22MnB5 base material as an example.
According to the door ring structure welded by the automobile thermoforming material, the plate material coating to be welded is an aluminum-silicon coating, the single-sided weight of the aluminum-silicon coating is less than or equal to 40 g/square meter, the automobile thermoforming material can be welded by adopting a direct laser filler wire welding process, and the welding strength is required to be more than or equal to the base material strength.
The material base material of the automobile thermoforming material is preferably 22MnB5.
Wherein the thickness of the automobile thermoforming material is 2.5mm.
Detailed description of the preferred embodiments
As shown in fig. 2, the utility model relates to a door ring structure of a thermal forming material for an automobile, which mainly comprises: a-pillar 10, B-pillar 20, and rocker beam 30; wherein, the A column 10 is provided with an A column first auxiliary positioning hole 101, an A column positioning hole 102 and an A column second auxiliary positioning hole 103; the B column 20 is provided with a B column first auxiliary positioning hole 201, a B column positioning hole 202 and a B column second auxiliary positioning hole 203; the rocker beam 30 is provided with a rocker beam auxiliary positioning hole 301, a rocker beam positioning hole 302, and a rocker beam boss 303.
The lap joint relation among the A column 10, the B column 20 and the threshold beam 30 is shown in fig. 11, a third welding line 3 is arranged at the rear section of the upper end of the A column, a ninth welding line 9 is arranged at the middle section of the upper end of the A column, a first welding line 1 or a second welding line 2 is respectively arranged at the upper end and the lower end of the B column, a fourth welding line 4 is arranged at the rear section of the threshold beam, a fifth welding line 5 is arranged at the front section of the threshold beam, the third welding line 3 and the fourth welding line 4 are on the same straight line, namely, the third welding line 3 is on the extension line of the fourth welding line 4 or the fourth welding line 4 is on the extension line of the third welding line 3; while the fifth weld 5 is collinear with the ninth weld 9, i.e., the fifth weld 5 is on the extension of the ninth weld 9 or the ninth weld 9 is on the extension of the fifth weld 5. The first weld 1, the second weld 2, the third weld 3, the fourth weld 4, the fifth weld 5 and the ninth weld 9 are welded to form the split welding door ring structure of the automotive thermoforming material of the embodiment.
The processing technology of the split welding door ring structure of the automobile thermoforming material of the embodiment is operated with reference to the first embodiment.
In order to reduce the attenuation of the laser energy density and prevent embrittlement of the weld joint, a shielding gas such as an inert gas or other gas with higher ionization energy should be used for welding protection during the laser welding process. It is particularly preferred to use pure argon, helium, nitrogen or mixtures thereof or mixtures consisting of argon, helium, nitrogen and/or carbon dioxide and/or oxygen as shielding gas.
The welded door ring structure of the automobile thermoforming material is subjected to hot stamping quenching, and the tensile strength of a welded joint is not lower than that of a base material, and is more than or equal to 1450Mpa by taking a 22MnB5 base material as an example.
According to the door ring structure welded by the automobile thermoforming material, the plate material coating to be welded is an aluminum-silicon coating, the single-sided weight of the aluminum-silicon coating is less than or equal to 40 g/square meter, the automobile thermoforming material can be welded by adopting a direct laser filler wire welding process, and the welding strength is required to be more than or equal to the base material strength.
The material base material of the automobile thermoforming material is preferably 22MnB5.
Wherein the thickness of the automobile thermoforming material is 1.5mm.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present utility model.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model 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 be modified or some technical features may be replaced with others, which may not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. An automotive thermoformable material splice welded door ring structure comprising: the pillar A, the pillar B and the threshold beam; the A column is provided with a first auxiliary positioning hole of the A column, a positioning hole of the A column and a second auxiliary positioning hole of the A column, the B column is provided with a first auxiliary positioning hole of the B column, a positioning hole of the B column and a second auxiliary positioning hole of the B column, and the threshold beam is provided with a threshold beam auxiliary positioning hole, a threshold beam positioning hole and a threshold beam bulge; the welding device is characterized in that 2 welding seams or 3 welding seams are arranged on the A column; 2 welding seams are arranged on the B column; the threshold beam is provided with 1 welding line or 2 welding lines; welds on the a-pillar, B-pillar, and threshold beam satisfy one of the following conditions:
(1) The 1 welding seam on the A column and the 1 welding seam on the threshold beam are on the same straight line;
(2) The welding lines on the A column and the welding lines on the threshold beam are on the same straight line, and the other 1 welding line on the A column and the welding lines on the B column are on the same straight line;
(3) The 1 welding line on the A column and the 1 welding line on the B column are on the same straight line;
(4) The 2 welding seams on the A column and the 2 welding seams on the B column are respectively on the same straight line;
(5) And 2 welding seams on the A column and 2 welding seams on the threshold beam are on the same straight line.
2. The automobile thermoformed material splice welding door ring structure according to claim 1, wherein a third welding seam is arranged at the rear section of the upper end of the A column, a seventh welding seam is arranged at the front section of the lower end of the A column, a first welding seam and a second welding seam are respectively arranged at the upper end and the lower end of the B column, a fourth welding seam is arranged at the rear section of the threshold beam, and the third welding seam and the fourth welding seam are on the same straight line, namely, the fourth welding seam is on the extension line of the third welding seam or the third welding seam is on the extension line of the fourth welding seam.
3. The automobile thermoforming material splice welding door ring structure according to claim 1, wherein a third welding line is arranged at the rear section of the upper end of the A column, a seventh welding line is arranged at the front section of the lower end of the A column, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the B column, a fourth welding line is arranged at the rear section of the threshold beam, a fifth welding line is arranged at the front section of the threshold beam, and the third welding line and the fourth welding line are on the same straight line, namely, the fourth welding line is on the extension line of the third welding line or the extension line of the third welding line is on the extension line of the fourth welding line.
4. The automobile thermoforming material splice welding door ring structure according to claim 1, wherein a third welding line is arranged at the rear section of the upper end of the A column, a sixth welding line is arranged at the rear section of the lower end of the A column, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the B column, a fourth welding line is arranged at the rear section of the threshold beam, and the second welding line and the sixth welding line are in the same straight line, namely, the second welding line is on the extension line of the sixth welding line or the sixth welding line is on the extension line of the second welding line; and meanwhile, the third welding line and the fourth welding line are on the same straight line, namely the fourth welding line is on the extension line of the third welding line or the extension line of the fourth welding line.
5. The automobile thermoformed material splice welding door ring structure according to claim 1, wherein a third welding line is arranged at the rear section of the upper end of the A column, a sixth welding line is arranged at the rear section of the lower end of the A column, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the B column, a fifth welding line is arranged at the front section of the threshold beam, and the second welding line and the sixth welding line are in the same straight line, namely, the second welding line is on the extension line of the sixth welding line or the sixth welding line is on the extension line of the second welding line.
6. The automobile thermoformed material splice welding door ring structure according to claim 1, wherein an eighth welding line is arranged in the middle section of the upper end of the A column, a sixth welding line is arranged in the rear section of the lower end of the A column, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the B column, a fourth welding line is arranged in the rear section of the threshold beam, and the second welding line and the sixth welding line are on the same straight line, namely, the second welding line is on the extension line of the sixth welding line or the sixth welding line is on the extension line of the second welding line; and meanwhile, the first welding line and the eighth welding line are on the same straight line, namely the first welding line is on the extension line of the eighth welding line or the eighth welding line is on the extension line of the first welding line.
7. The automobile thermoforming material splice welding door ring structure according to claim 1, wherein an eighth welding line is arranged in the middle section of the upper end of the A column, a sixth welding line is arranged in the rear section of the lower end of the A column, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the B column, a fifth welding line is arranged at the front section of the threshold beam, and the second welding line and the sixth welding line are on the same straight line, namely, the second welding line is on the extension line of the sixth welding line or the sixth welding line is on the extension line of the second welding line; and meanwhile, the first welding line and the eighth welding line are on the same straight line, namely the first welding line is on the extension line of the eighth welding line or the eighth welding line is on the extension line of the first welding line.
8. The automobile thermoforming material splice welding door ring structure according to claim 1, wherein an eighth welding line is arranged in the middle section of the upper end of the A column, a sixth welding line is arranged in the rear section of the lower end of the A column, a first welding line and a second welding line are respectively arranged at the upper end and the lower end of the B column, and the second welding line and the sixth welding line are on the same straight line, namely, the second welding line is on an extension line of the sixth welding line or the sixth welding line is on an extension line of the second welding line; and meanwhile, the first welding line and the eighth welding line are on the same straight line, namely the first welding line is on the extension line of the eighth welding line or the eighth welding line is on the extension line of the first welding line.
9. The automobile thermoforming material splice welding door ring structure according to claim 1, wherein a third welding line is arranged at the rear section of the upper end of the A column, a ninth welding line is arranged at the middle section of the upper end of the A column, a first welding line or a second welding line is respectively arranged at the upper end and the lower end of the B column, a fourth welding line is arranged at the rear section of the threshold beam, a fifth welding line is arranged at the front section of the threshold beam, and the third welding line and the fourth welding line are on the same straight line, namely, the third welding line is on the extension line of the fourth welding line or the fourth welding line is on the extension line of the third welding line; and meanwhile, the fifth welding line and the ninth welding line are on the same straight line, namely the fifth welding line is on the extension line of the ninth welding line or the ninth welding line is on the extension line of the fifth welding line.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116787053A (en) * | 2023-06-28 | 2023-09-22 | 武汉宁致远汽车配件有限公司 | Flexible deflection clamp and welding process based on same |
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- 2023-04-19 CN CN202320876955.8U patent/CN219277623U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116787053A (en) * | 2023-06-28 | 2023-09-22 | 武汉宁致远汽车配件有限公司 | Flexible deflection clamp and welding process based on same |
| CN116787053B (en) * | 2023-06-28 | 2024-05-14 | 武汉宁致远汽车配件有限公司 | Flexible deflection clamp and welding process based on same |
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