Search

CN-224209649-U - Flexible grinding equipment for complex curved surface welding seam

CN224209649UCN 224209649 UCN224209649 UCN 224209649UCN-224209649-U

Abstract

The utility model discloses flexible polishing equipment for complex curved surface welding seams, and relates to the technical field of polishing equipment. The novel grinding machine comprises a frame, wherein a direct current motor is fixedly connected to the outer wall of the frame, a transmission shaft is fixedly connected to the output end of the direct current motor, a grinding belt is connected to the outer wall of the transmission shaft in a rolling manner, a limiting device is fixedly connected to the outer wall of the frame, a tensioning shaft is rotatably connected to the outer wall of the frame, a limiting strip is fixedly connected to the inner wall of the limiting strip, a fixing barrel is fixedly connected to the inner wall of the limiting strip, a rotating device is arranged on the outer wall of the rotating device and is rotatably connected with the inner wall of the fixing barrel, a first fixing rod and a second fixing rod are rotatably connected through a positioning shaft in the rotating device and are in sliding fit with the grinding belt, when welding lines with different curvatures are ground, the grinding belt deforms to drive the fixing rod to rotate, the contact angle is adjusted, the complex curved surface is attached, the limiting block limits the rotating angle, safety and stability are guaranteed, and adaptability of the equipment to the complex curved surface is improved.

Inventors

  • WEI WEI
  • DENG JIEYONG
  • TAO YIMING
  • ZHANG WENJUN

Assignees

  • 江西制造职业技术学院(江西省机械科学研究所、江西省机械产品质量监督总站)

Dates

Publication Date
20260508
Application Date
20250407

Claims (6)

  1. 1. The flexible grinding equipment for the complex curved surface welding seam comprises a frame (1) and is characterized in that a direct current motor (2) is fixedly connected to the outer wall of the frame (1), a transmission shaft (3) is fixedly connected to the output end of the direct current motor (2), a grinding belt (6) is connected to the outer wall of the transmission shaft (3) in a rolling mode, a limiting device (5) is fixedly connected to the outer wall of the frame (1), a tensioning shaft (13) is connected to the outer wall of the frame (1) in a rotating mode, a limiting strip (11) is fixedly connected to the outer wall of the frame (1), and a fixing cylinder (12) is fixedly connected to the inner wall of the limiting strip (11); The outer wall of the rotating device (4) is rotationally connected with the inner wall of the fixed cylinder (12); The rotating device (4) comprises a first fixed rod (41), a first limiting block (43) is fixedly connected to the outer wall of the first fixed rod (41), a positioning shaft (45) is rotatably connected to the inner wall of the first fixed rod (41) through a rotating hole (42), the rotating hole (42) is formed in the wall of the first fixed rod (41), a second fixed rod (44) is fixedly connected to the outer wall of the top of the positioning shaft (45), a second limiting block (46) is fixedly connected to the outer wall of the second fixed rod (44), and limiting blocks (47) are slidably connected to the inner wall of the first fixed rod (41) and the outer wall of the second fixed rod (44).
  2. 2. A flexible grinding device for complex curved welds according to claim 1, characterized in that the inner wall of the fixed cylinder (12) is rotatably connected to the outer wall of the limiting block (47).
  3. 3. The flexible grinding device for complex curved surface welding seams, as set forth in claim 1, characterized in that the outer wall of the tensioning shaft (13) is in rolling connection with the inner side wall of the grinding belt (6), and the outer wall of the first fixing rod (41) and the outer wall of the second fixing rod (44) are both in sliding connection with the inner side wall of the grinding belt (6).
  4. 4. The flexible coping equipment of complex curved surface welding seam according to claim 1, wherein the limiting device (5) comprises a fixed plate (51), an air cylinder (52) is fixedly connected to the outer wall of the fixed plate (51), a connecting plate (53) is fixedly connected to one end, far away from the fixed plate (51), of the air cylinder (52), rotating rods (54) are symmetrically connected to two ends of the connecting plate (53) in a rotating mode, a positioning frame (55) is rotatably connected to one end, far away from the connecting plate (53), of the rotating rods (54), a positioning frame (55) is fixedly connected to the outer wall of the rotating rods (54), a telescopic rod (56) is fixedly connected to the outer wall of the connecting plate (53), a compression spring (57) is sleeved on the outer portion of the telescopic rod (56), and a pushing block (58) is fixedly connected to one end, far away from the connecting plate (53), of the telescopic rod (56).
  5. 5. The flexible grinding device for complex curved surface welding seams according to claim 4, wherein one end of the compression spring (57) is fixedly connected with the outer wall of the connecting plate (53), and the other end of the compression spring (57) is fixedly connected with the outer wall of the pushing block (58).
  6. 6. The flexible grinding device for complex curved surface welding seams according to claim 4, wherein two ends of the fixing plate (51) are fixedly connected with the side wall inside the frame (1), the outer wall of the positioning frame (55) is fixedly connected with the side wall inside the frame (1), and the outer wall of the pushing block (58) is respectively contacted with the outer wall of the first fixing rod (41) and the outer wall of the second fixing rod (44).

Description

Flexible grinding equipment for complex curved surface welding seam Technical Field The utility model relates to the technical field of polishing equipment, in particular to flexible polishing equipment for complex curved surface welding seams. Background In modern manufacturing industry, the processing of complicated curved surface welding seam is crucial, from the aircraft spare part in aerospace field, to the engine cylinder body in the automobile manufacturing, there is complicated curved surface welding seam in many key parts, these welding seam quality is related to product performance, security and life, present equipment is in the aspect of complicated curved surface welding seam coping, traditional coping equipment is mostly rigid structure, when facing the complicated curved surface welding seam of shape various, curvature variation, the flexibility is lacking, for the complicated curved surface welding seam on the mechanical blade, traditional equipment is difficult to adjust polishing angle and position in real time according to welding seam curvature, its polishing tool is fixed with welding seam contact angle, it is difficult to laminate the curved surface, the uneven condition of polishing easily appears, traditional equipment lacks the adaptation ability to the atress variation in the polishing process simultaneously, when complicated curved surface welding seam coping, the uneven stress of polishing area is normal state, traditional equipment is difficult to automatically adjust polishing area tensioning degree and running state according to the atress condition, not only influence polishing effect, still easily cause equipment trouble, finally reduce production efficiency, increase cost of maintenance. Disclosure of Invention (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides flexible polishing equipment for complex curved surface welding seams, which flexibly adapts to different curved surfaces through a rotating device, stabilizes the polishing process by virtue of a limiting device, effectively solves the defects of the traditional equipment, improves the adaptability of the equipment to the complex curved surfaces, ensures the stable operation of the polishing process, and enhances the reliability of the polishing process. The flexible grinding equipment for the complex curved surface welding seam comprises a frame, wherein a direct current motor is fixedly connected to the outer wall of the frame, a transmission shaft is fixedly connected to the output end of the direct current motor, a grinding belt is connected to the outer wall of the transmission shaft in a rolling mode, a limiting device is fixedly connected to the outer wall of the frame, a tensioning shaft is connected to the outer wall of the frame in a rotating mode, a limiting strip is fixedly connected to the outer wall of the frame, a fixed cylinder is fixedly connected to the inner wall of the limiting strip, a rotating device is connected to the outer wall of the rotating device in a rotating mode, the outer wall of the rotating device is fixedly connected with the inner wall of the fixed cylinder, a first limiting block is fixedly connected to the outer wall of the first fixed rod, a positioning shaft is fixedly connected to the inner wall of the first fixed rod through a rotating hole, the rotating hole is formed in the wall of the first fixed rod, a second fixed rod is fixedly connected to the outer wall of the top of the positioning shaft, a second limiting block is fixedly connected to the outer wall of the second fixed rod, and the inner wall of the first fixed rod and the outer wall of the second fixed rod are both fixedly connected to limiting blocks. Preferably, the inner wall of fixed section of thick bamboo is rotated with the outer wall of restriction piece and is connected, the outer wall of take-up pulley is with the inside lateral wall roll connection of area of polishing, the outer wall of first dead lever and the outer wall of second dead lever all with the inside lateral wall sliding connection of area of polishing, in through rotating device, first dead lever and second dead lever pass through the locating shaft and rotate to be connected, with the area sliding fit of polishing, when polishing different camber welding seam, the area deformation of polishing drives the dead lever and rotates, adjustment contact angle, laminating complex curved surface, stopper restriction turned angle, guarantee safety and stability, lifting means is to complex curved surface's adaptability. Preferably, the stop device includes the fixed plate, the outer wall fixedly connected with cylinder of fixed plate, the one end fixedly connected with connecting plate of fixed plate is kept away from to the cylinder, the equal symmetry in both ends of connecting plate rotates and is connected with the dwang, the one end that the connecting plate was kept away from to the dwang r