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CN-122015616-A - New energy automobile body is from dashing riveting defect detection device

CN122015616ACN 122015616 ACN122015616 ACN 122015616ACN-122015616-A

Abstract

The invention belongs to the technical field of riveting quality detection, and particularly relates to a new energy automobile body self-piercing riveting defect detection device which comprises a base, a rotary support assembly, a rotary angle feedback assembly, a gap size detection assembly, a detection result feedback assembly, a detection position confirmation assembly, a detection disqualification marking assembly and a PLC (programmable logic controller). According to the invention, the riveting gap after riveting the new energy automobile body can be rapidly detected, rapid feedback warning is carried out when the detection result is unqualified, detection work of a plurality of positions is realized, detection quality is ensured, the angle and the number of times of surrounding detection can be determined based on the diameter of the rivet, the allowable size of the rivet gap can be automatically regulated and controlled based on the thickness of the riveting plate, marking work can be automatically carried out when the unqualified size of the riveting gap is detected, and the subsequent rapid confirmation of the position of the unqualified riveting position by staff is assisted.

Inventors

  • LI GUANG

Assignees

  • 海斯坦普汽车组件(北京)有限公司

Dates

Publication Date
20260512
Application Date
20260226

Claims (8)

  1. 1. The utility model provides a new energy automobile body self-piercing riveting defect detection device, includes base (1), its characterized in that still includes: the rotary supporting component (2) is fixedly arranged at the upper end of the base (1); the rotating angle feedback assembly (3) is fixedly arranged at the upper end of the base (1) and is in transmission connection with the rotating support assembly (2); the gap size detection assembly (4) is fixedly arranged at the upper end of the rotary support assembly (2); The detection result feedback assembly (5) is fixedly arranged at the upper end of the rotary support assembly (2) and is in transmission connection with the gap size detection assembly (4); The detection position confirmation assembly (6) is fixedly arranged on the gap size detection assembly (4); the unqualified detection marking assembly (7) is fixedly arranged at the upper end of the rotary supporting assembly (2); The PLC controller (8) is fixedly arranged at the upper end of the base (1) and is electrically connected with the rotary supporting component (2), the rotary angle feedback component (3), the gap size detection component (4), the detection result feedback component (5), the detection position confirmation component (6) and the detection unqualified marking component (7) respectively.
  2. 2. The new energy automobile body self-piercing riveting defect detection device according to claim 1, wherein the rotary supporting component (2) comprises a supporting shaft (21) rotatably connected to the upper end of the base (1), a supporting plate (22) is fixedly arranged at the upper end of the supporting shaft (21), a motor driving component (23) for driving the supporting shaft (21) to rotate is fixedly arranged at the upper end of the base (1), and a plurality of supporting rollers (24) which are abutted to the upper end of the base (1) are fixedly arranged at the lower end of the supporting plate (22) at equal intervals.
  3. 3. The new energy automobile body self-piercing riveting defect detection device according to claim 2, wherein the rotation angle feedback assembly (3) comprises an encoder (31) fixedly arranged at the upper end of the base (1), and the upper end input end of the encoder (31) is in transmission connection with the supporting shaft (21) through a sprocket assembly (32).
  4. 4. The new energy automobile body self-piercing riveting defect detection device according to claim 2, wherein the gap size detection assembly (4) comprises a U-shaped fixing plate (41) fixedly arranged at the upper end of the supporting plate (22), a rotating screw rod (42) is rotationally connected to the U-shaped fixing plate (41), a servo motor (43) for driving the rotating screw rod (42) to rotate is fixedly arranged on the outer wall of the U-shaped fixing plate (41), a movable seat (44) is sleeved on a rod wall thread of the rotating screw rod (42), and a triangular detection block (45) is fixedly arranged on one side of the upper end of the movable seat (44).
  5. 5. The new energy automobile body self-piercing riveting defect detection device according to claim 4, wherein the detection result feedback assembly (5) comprises two electric push rods (51) symmetrically and fixedly arranged at the upper ends of the supporting plates (22), the upper end moving ends of the two electric push rods (51) are fixedly connected with a same feedback shell (52), the upper sides of the inner walls of the feedback shells (52) are rotationally connected with a transmission screw (53), one ends of the transmission screw (53) penetrate through the outside of the feedback shells (52) and are fixedly connected with a small-diameter gear (54), one ends of the transmission screw (42) are fixedly connected with a large-diameter gear (55) meshed with the small-diameter gear (54), the rod walls of the transmission screw (53) are in threaded sleeve connection with a feedback plate (56), the rear sides of the inner walls of the feedback shells (52) are fixedly sleeved with electric telescopic rods (57), the moving ends of the electric telescopic rods (57) located in the feedback shells (52) are fixedly connected with feedback switches (58), and the feedback switches (58) are arranged opposite to the feedback plate (56).
  6. 6. The new energy automobile body self-piercing riveting defect detection device according to claim 4, wherein the detection position confirmation assembly (6) comprises a deflection motor (61) fixedly arranged at the upper end of the movable seat (44), the output end of the deflection motor (61) is fixedly connected with a deflection rod (62), and a pressure sensing plate (63) is embedded in the side wall of the upper end of the deflection rod (62).
  7. 7. The new energy automobile body self-piercing riveting defect detection device according to claim 2, wherein the unqualified detection mark assembly (7) comprises an L-shaped vertical plate (71) fixedly arranged at the upper end of the supporting plate (22), a plurality of mark spray heads (72) are fixedly sleeved at the upper end of the L-shaped vertical plate (71) at equal intervals, the lower ends of the plurality of mark spray heads (72) are fixedly communicated with one supplementary pipe (73), the lower ends of the supplementary pipes (73) are fixedly communicated with a feed pipe (74), a feed pump (75) is arranged on the feed pipe (74), and the feed pump (75) is fixedly arranged on the side wall of the L-shaped vertical plate (71).
  8. 8. The new energy automobile body self-piercing riveting defect detection device according to claim 4, wherein a limit sliding block is fixedly connected to the lower end of the movable seat (44), and a limit sliding groove matched with the limit sliding block and sliding-connected with the upper end of the horizontal part of the U-shaped fixing plate (41) is formed.

Description

New energy automobile body is from dashing riveting defect detection device Technical Field The invention belongs to the technical field of riveting quality detection, and particularly relates to a new energy automobile body self-piercing riveting defect detection device. Background In the field of new energy automobile manufacturing, self-piercing riveting is a core process for connecting automobile body parts, and the forming quality of the self-piercing riveting is directly influenced by the safety performance and the service life of the whole automobile, so that the self-piercing riveting quality detection equipment has a crucial effect. Parts such as a body door plate of a new energy automobile are formed by combining a flat plate through a stamping and riveting process. In the riveting process, if the pressure is insufficient, the rivet cannot be fully and plastically deformed to realize the tight adhesion between the plates, obvious gaps are formed between the plates, if the riveting speed is too high, the instantaneous impact of the rivet is too large, the problem of insufficient deformation or uneven deformation is easy to occur, the gaps are difficult to fill effectively, if the riveting speed is too low, excessive friction and heat are generated in the operation process of the rivet, the material performance is deteriorated, a reliable riveting structure is also difficult to form, and larger gaps are easy to generate. The core function of riveting is to realize reliable connection and load transmission between spare part, and the clearance too big can reduce the effective area of contact of rivet and by the connecting piece, makes local stress show to rise, and then causes the rivet to become flexible, warp and even fracture, leads to connection structure bulk strength and stability to drop, can't satisfy the design standard, easily takes place to connect the inefficacy when bearing great load. Therefore, gap size detection at the caulking portion is one of the key indexes for evaluating the caulking quality. Currently, a clearance gauge detection method is commonly adopted in the industry to measure the riveting clearance. The feeler gauge is a conventional detecting tool composed of a group of thin sheets with different thickness, and the corresponding thin sheet is inserted into the riveting gap during detection, so that the thin sheet thickness which can be smoothly inserted and has slight resistance is taken as a gap value. The method is simple and convenient to operate and low in cost, but only can acquire approximate gap values, has limited detection precision, and has high detection difficulty on gaps with narrow spaces or irregular shapes. Disclosure of Invention The invention aims to solve the problems and provides a new energy automobile body self-piercing riveting defect detection device. In order to achieve the purpose, the invention adopts the following technical scheme that the device for detecting the self-piercing riveting defect of the new energy automobile body comprises a base and further comprises: The rotary supporting component is fixedly arranged at the upper end of the base; The rotating angle feedback assembly is fixedly arranged at the upper end of the base and is in transmission connection with the rotating support assembly; The gap size detection assembly is fixedly arranged at the upper end of the rotary support assembly; The detection result feedback assembly is fixedly arranged at the upper end of the rotary supporting assembly and is in transmission connection with the gap size detection assembly; The detection position confirmation assembly is fixedly arranged on the gap size detection assembly; the unqualified detection marking assembly is fixedly arranged at the upper end of the rotary supporting assembly; The PLC controller is fixedly arranged at the upper end of the base and is electrically connected with the rotary supporting component, the rotary angle feedback component, the gap size detection component, the detection result feedback component, the detection position confirmation component and the detection unqualified marking component respectively. In the above-mentioned new energy automobile body self-piercing riveting defect detection device, as shown in fig. 3, the rotary support assembly is including rotating the back shaft of connecting in the base upper end, the upper end fixed mounting of back shaft has the backup pad, the upper end fixed mounting of base has the motor drive assembly who is used for driving the back shaft rotation, the lower extreme equidistance fixed mounting of backup pad has a plurality of conflict to be in the backing roller of base upper end. In the new energy automobile body self-piercing riveting defect detection device, the rotation angle feedback assembly comprises an encoder fixedly arranged at the upper end of the base, and the upper end input end of the encoder is in transmission connection with the supporting shaft th