CN113619689B - Processing method for ensuring strength of C-column side wall outer plate - Google Patents
Processing method for ensuring strength of C-column side wall outer plate Download PDFInfo
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- CN113619689B CN113619689B CN202110819336.0A CN202110819336A CN113619689B CN 113619689 B CN113619689 B CN 113619689B CN 202110819336 A CN202110819336 A CN 202110819336A CN 113619689 B CN113619689 B CN 113619689B
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- side wall
- outer plate
- wall outer
- column side
- rail box
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- 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
- B62D25/04—Door pillars ; windshield pillars
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- 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
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- 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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
Abstract
The invention discloses a processing method for ensuring the strength of a C-column side wall outer plate. The reinforcing ribs are arranged at the weakest position of the C column side wall outer plate, so that the structural strength of the C column side wall outer plate in the machining process is improved, and the problem that the C column side wall outer plate deforms in the machining process and the process of manually carrying the side wall outer plate is solved. This scheme has only increased one set of special side cut equipment, and equipment investment cost reduces by a wide margin, and through the cooperation location of tongs and die-cut equipment, can guarantee die-cut precision and the quality after C post side wall planking processing.
Description
Technical Field
The invention relates to the technical field of automobile production and forming, in particular to a processing method for ensuring the strength of a C-column side wall outer plate.
Background
The side wall assembly of the automobile body in white is generally formed by welding a side wall outer plate and a reinforcing plate after being assembled and positioned, wherein the side wall outer plate is generally made of a 0.65mm steel plate, and the integral rigidity is poor before the side wall outer plate is welded with the reinforcing plate. The MPV type that adopts the sliding back door needs to weld the slide rail box on the side wall planking, and the panel beating of the corresponding welding zone of side wall planking also needs to be cut off, has further reduced the rigidity of side wall planking C post department, and the weak department of structure is out of shape easily in transport or the transportation.
At present, the production and transportation of the side wall outer plate have the following two modes: 1. after the side wall outer plate is formed on the stamping production line, the side wall outer plate is manually loaded to a transfer material box, the material flow in a factory is conveyed to a welding production line, and workers of the welding production line lift out of the material box and then install the material box to a clamp to complete subsequent processes. Because the side wall outer plate is large in size, two workers generally lift, pack and take the parts at the same time, and the side wall outer plate can generate various posture changes during assembling. The uniformity and the harmony of action are hardly guaranteed in two workman's operations, including the change of space gesture, the stress state in the weak region of side wall planking C post produces the change constantly, and the area of contact of hand is limited with can reach the region when the workman lifts the piece, and unable effective bearing C post is weak regional, leads to plate plastic deformation, produces quality defect. 2. After the side wall outer plate is formed on the stamping production line, the side wall outer plate is conveyed to a welding production line in a full-automatic mode, the welding equipment automatically grabs the side wall outer plate through a robot gripper and is arranged on a clamp, uniform stress in the automatic plate carrying process is guaranteed through arrangement of suckers and clamping points on the gripper as many as possible, and plate deformation is eliminated. However, a large amount of automation equipment (robots and grippers), a visual identification system (for ensuring positioning accuracy) and conveying equipment (for conveying side wall outer plates) are required to be invested, the investment is large, and the compatibility difficulty of multiple vehicle types is high.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provide a processing method which can effectively ensure the structural strength of the outer plate of the side wall of the C column and has low cost.
In order to achieve the purpose, the processing method for ensuring the strength of the outer plate of the side wall of the C column, which is designed by the invention, is characterized in that: and arranging reinforcing ribs at the edge of the rear surface of the C-column side wall outer plate and at the corresponding positions welded with the slide rail box, so that the length of each reinforcing rib is greater than that of the welding area of the C-column side wall outer plate and the slide rail box, welding and fixing the slide rail box and the C-column side wall outer plate, and cutting off the reinforcing ribs. The length of the reinforcing rib is 2.5-3 times of the length of the welding area, and the width of the reinforcing rib is 50 mm.
Furthermore, the reinforcing rib and the C-column side wall outer plate are integrally formed.
Further, the method for arranging the reinforcing ribs at the corresponding positions welded with the slide rail box at the edge of the rear surface of the outer plate of the side wall of the C column comprises the following steps: the reinforcing ribs are arranged along the length direction of the edge of the rear surface of the C-column side wall outer plate, and the reinforcing ribs and the C-column side wall outer plate are integrally formed through a die.
Furthermore, the mould models the reinforcing rib, increases the structural strength of reinforcing rib.
Further, the method for molding the reinforcing rib by the mold comprises the following steps: and arranging a boss in the die along the length direction of the reinforcing rib, so that a reinforcing bulge is formed in the middle of the reinforcing rib. The width of the reinforcing protrusion is half of the width of the reinforcing rib.
Further, the method for welding and fixing the slide rail box and the C-column side wall outer plate comprises the following steps: and positioning the relative welding position of the C-column side wall outer plate and the slide rail box through a positioning mechanism, firstly welding a welding spot closest to the reinforcing rib, and then welding the other welding spots.
Further, the method for positioning the relative welding position of the C-column side wall outer plate and the slide rail box through the positioning mechanism comprises the following steps: and a side wall outer plate positioning pin matched with the slide rail box is arranged on the C-column side wall outer plate, a slide rail box positioning hole is arranged on the slide rail box, and the slide rail box is clamped by a positioning mechanism to the matching position of the side wall outer plate positioning pin and the slide rail box positioning hole.
Furthermore, the reinforcing ribs are provided with reinforcing rib positioning holes, and the positioning mechanisms are matched with the reinforcing rib positioning holes to assist in positioning the C column side wall outer plate.
Further, the method for cutting off the reinforcing ribs comprises the following steps: the robot gripper grabs the welded C-column side wall outer plate and the integral structure of the slide rail box to punching equipment, and the reinforcing ribs are punched by the punching equipment.
Furthermore, the method for punching out the reinforcing ribs by the punching equipment comprises the following steps: and placing the welded C-column side wall outer plate and the integral structure of the slide rail box on the lower die, driving the upper die to compress the seam allowance area of the C-column side wall outer plate by driving the driving cylinder, and punching the reinforcing ribs by the punching head along the edge of the C-column side wall outer plate. And the robot gripper, the punching equipment and the plate are fixed by the positioning frame so as to ensure the processing precision.
The invention has the beneficial effects that: the reinforcing ribs are arranged at the weakest position of the C column side wall outer plate, so that the structural strength of the C column side wall outer plate in the machining process is improved, and the problem that the C column side wall outer plate deforms in the machining process and the process of manually carrying the side wall outer plate is solved. This scheme has only increased one set of special side cut equipment, and equipment investment cost reduces by a wide margin, and through the cooperation location of tongs and die-cut equipment, can guarantee die-cut precision and the quality after C post side wall planking processing.
Drawings
FIG. 1 is a front view of a C-pillar side wall outer plate and a reinforcing rib connected into an integral structure according to the present invention;
FIG. 2 is a front view of the C-pillar side wall outer plate and the slide rail box in the invention;
FIG. 3 is a layout structure diagram of the robot gripper and the punching equipment in the invention;
FIG. 4 is a perspective view of the die cutting apparatus of the present invention;
the device comprises a C column, a side wall outer plate, a slide rail box, a reinforcing rib, a reinforcing protrusion, a positioning mechanism, a side wall outer plate positioning pin, a slide rail box positioning hole, a reinforcing rib positioning hole, a robot gripper, a punching device, a driving cylinder, an upper die, a lower die, a punching head, a positioning frame, a positioning mechanism positioning pin and a welding spot, wherein the C column comprises 1-C column side wall outer plate, 2-slide rail box, 3-reinforcing rib, 4-reinforcing protrusion, 5-positioning mechanism, 6-side wall outer plate positioning pin, 7-slide rail box positioning hole, 8-reinforcing rib positioning hole, 9-robot gripper, 10-punching equipment, 11-driving cylinder, 12-upper die, 13-lower die, 14-punching head, 15-positioning frame, 16-positioning mechanism positioning pin and 17-welding spot.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
According to the processing method for ensuring the strength of the C-column side wall outer plate shown in the figures 1-4, the reinforcing rib 3 is arranged at the edge of the rear surface of the C-column side wall outer plate 1 and at the corresponding position welded with the slide rail box 2, the reinforcing rib 3 and the C-column side wall outer plate 1 are integrally formed, a boss is arranged in a die along the length direction of the reinforcing rib 3, the reinforcing protrusion 4 is formed in the middle of the reinforcing rib 3, and meanwhile, the length of the reinforcing rib 3 is larger than the length of the welding area of the C-column side wall outer plate 1 and the slide rail box 2. Set up on C post side wall planking 1 with slide rail box 2 complex side wall planking locating pin 6, set up slide rail box locating hole 7 on slide rail box 2, press from both sides by positioning mechanism 5 and get slide rail box 2 to the cooperation position of side wall planking locating pin 6 with slide rail box locating hole 7, be provided with strengthening rib locating hole 8 on the strengthening rib 3, positioning mechanism 5 cooperates with strengthening rib locating hole 8, supplementary C post side wall planking 1 location. Firstly welding 5 welding points 17 nearest to the reinforcing ribs 3, and then welding the rest welding points 17. The robot gripper 9 grabs the welded integral structure of the C-column side wall outer plate 1 and the slide rail box 2 to the punching equipment 10, places the integral structure of the welded C-column side wall outer plate 1 and the slide rail box 2 on the lower die 13, drives the cylinder 11 to drive the upper die 12 to press the seam allowance area of the C-column side wall outer plate 1, and punches the reinforcing ribs 3 off along the edge of the C-column side wall outer plate by the punching head 14.
According to the invention, the reinforcing ribs 3 are arranged at the weakest part of the C-column side wall outer plate 1, so that the structural strength of the C-column side wall outer plate 1 in the processing process is increased, and the problem that the C-column side wall outer plate 1 deforms in the processing process of the C-column side wall outer plate 1 and in the process of manually carrying the side wall outer plate is solved. This scheme has only increased one set of special side cut equipment (die-cut equipment 10), and equipment investment cost reduces by a wide margin, and through the cooperation location of tongs and die-cut equipment, can guarantee die-cut precision and the quality after 1 processing of C post side wall planking.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (4)
1. A processing method for ensuring the strength of a C-column side wall outer plate is characterized by comprising the following steps: arranging a reinforcing rib (3) at the edge of the rear surface of the C-column side wall outer plate (1) and at the position corresponding to the welding position of the sliding rail box (2), enabling the length of the reinforcing rib (3) to be larger than the length of the welding area of the C-column side wall outer plate (1) and the sliding rail box (2), welding and fixing the sliding rail box (2) and the C-column side wall outer plate (1), and cutting off the reinforcing rib (3); the reinforcing ribs (3) and the C-column side wall outer plate (1) are integrally formed; the method for welding and fixing the slide rail box (2) and the C-column side wall outer plate (1) comprises the following steps: positioning the relative welding position of the C-column side wall outer plate (1) and the slide rail box (2) through a positioning mechanism (5), firstly welding 4-6 welding points (17) nearest to the reinforcing ribs (3), and then welding the rest welding points (17); the method for positioning the relative welding position of the C-column side wall outer plate (1) and the slide rail box (2) through the positioning mechanism (5) comprises the following steps: a side wall outer plate positioning pin (6) matched with the slide rail box (2) is arranged on the C-column side wall outer plate (1), a slide rail box positioning hole (7) is arranged on the slide rail box (2), and the slide rail box (2) is clamped by a positioning mechanism (5) to the matching position of the side wall outer plate positioning pin (6) and the slide rail box positioning hole (7); the reinforcing rib (3) is provided with a reinforcing rib positioning hole (8), and the positioning mechanism (5) is matched with the reinforcing rib positioning hole (8) to assist the positioning of the C-column side wall outer plate (1); the method for cutting off the reinforcing ribs (3) comprises the following steps: a robot gripper (9) grips the welded C-column side wall outer plate (1) and the integral structure of the slide rail box (2) to punching equipment (10), and the punching equipment (10) punches off the reinforcing ribs (3); the method for punching out the reinforcing ribs (3) by the punching equipment (10) comprises the following steps: and (3) placing the welded integral structure of the C-column side wall outer plate (1) and the slide rail box (2) on a lower die (13), driving an upper die (12) to compress a spigot area of the C-column side wall outer plate (1) by a driving cylinder (11), and punching the reinforcing ribs (3) by a punching head (14) along the edge of the C-column side wall outer plate.
2. The processing method for ensuring the strength of the side wall outer plate of the C-column as claimed in claim 1, wherein: the method for arranging the reinforcing ribs (3) at the corresponding positions welded with the slide rail box (2) on the edge of the rear surface of the C-column side wall outer plate (1) comprises the following steps: the reinforcing ribs (3) are arranged along the length direction of the edge of the rear surface of the C-column side wall outer plate (1), and the reinforcing ribs (3) and the C-column side wall outer plate (1) are integrally formed through a die.
3. The processing method for ensuring the strength of the side wall outer plate of the C-column as claimed in claim 2, wherein: the mold molds the reinforcing ribs (3), and the structural strength of the reinforcing ribs (3) is improved.
4. The processing method for ensuring the strength of the side wall outer plate of the C column as claimed in claim 3, wherein: the method for molding the reinforcing rib (3) by the mold comprises the following steps: and a boss is arranged in the die along the length direction of the reinforcing rib (3), so that a reinforcing bulge (4) is formed in the middle of the reinforcing rib (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110819336.0A CN113619689B (en) | 2021-07-20 | 2021-07-20 | Processing method for ensuring strength of C-column side wall outer plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110819336.0A CN113619689B (en) | 2021-07-20 | 2021-07-20 | Processing method for ensuring strength of C-column side wall outer plate |
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| Publication Number | Publication Date |
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| CN113619689A CN113619689A (en) | 2021-11-09 |
| CN113619689B true CN113619689B (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5506551B2 (en) * | 2010-06-03 | 2014-05-28 | ユニプレス株式会社 | Pillar structure of automobile body |
| CN201980296U (en) * | 2010-10-25 | 2011-09-21 | 机械科学研究总院先进制造技术研究中心 | Automobile B-pillar reinforcing plate with variable cross section |
| FR3008945B1 (en) * | 2013-07-25 | 2018-03-02 | Compagnie Plastic Omnium | SIDE AMOUNT FOR PERFECTED AUTOMOTIVE VEHICLE CASE |
| CN105252152B (en) * | 2015-11-26 | 2017-08-01 | 重庆大江工业有限责任公司 | A kind of welding processing for reducing the deformation of panzer car body |
| CN205798161U (en) * | 2016-06-03 | 2016-12-14 | 昆山威特亿模具有限公司 | Processing unit (plant) for A post upper reinforcing plate |
| CN106043446A (en) * | 2016-06-08 | 2016-10-26 | 奇瑞汽车股份有限公司 | Integrated column B reinforcing board and machining method thereof |
| CN206243301U (en) * | 2016-11-21 | 2017-06-13 | 北京汽车股份有限公司 | Reinforcing plate and the vehicle with it |
| CN107538145A (en) * | 2017-09-27 | 2018-01-05 | 马鞍山市恒罡机械科技有限公司 | A kind of hydraulic hammer plate-side plate welding equipment |
| CN108284289B (en) * | 2018-03-26 | 2023-07-14 | 成都锐升科技有限责任公司 | C-pillar welding production line and C-pillar welding processing method |
| CN210734298U (en) * | 2019-10-25 | 2020-06-12 | 东风小康汽车有限公司重庆分公司 | Side wall outer covering |
| CN211360995U (en) * | 2019-11-29 | 2020-08-28 | 卡斯马汽车系统（重庆）有限公司 | B-column processing device |
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Effective date of registration: 20220128 Address after: 430000 No. n3010, 3rd floor, R & D building, building n, Artificial Intelligence Science Park, Wuhan Economic and Technological Development Zone, Hubei Province Applicant after: Lantu Automobile Technology Co.,Ltd. Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Applicant before: Dongfeng Motor Corp. |
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