Search

CN-122007578-A - Plasma welding multi-station device for motorcycle frame

CN122007578ACN 122007578 ACN122007578 ACN 122007578ACN-122007578-A

Abstract

The invention discloses a multi-station device for plasma welding of a motorcycle frame, which relates to the technical field of plasma welding and comprises a workbench and a frame, wherein a support frame is rotatably arranged on the workbench, two rotating shafts are penetrated and rotatably arranged on the support frame, multi-station equipment is fixedly arranged between the two rotating shafts, an angle adjusting assembly is arranged in the workbench and used for adjusting the welding angle of the frame, and a speed adjusting assembly is arranged in the workbench and used for adjusting the displacement speed of the frame. The invention has the advantages that before welding the frame, the position to be welded of the frame can be adjusted to the flat welding position or the gesture close to the flat welding position required by the welding of the existing plasma welding equipment according to the matching of the angle modulation assembly and the servo motor, and simultaneously, the rotating speed of the frame can be adaptively increased or reduced according to the positioning radian of the frame through the matching of the electric telescopic rod and the speed regulating mechanism, so that the auxiliary effect of the equipment on the welding of the frame is improved.

Inventors

  • LIU YUAN

Assignees

  • 重庆捷速特进出口有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (8)

  1. 1. The utility model provides a motorcycle frame plasma welding multistation device, includes workstation (1), frame (4), its characterized in that, rotationally install support frame (2) on workstation (1), run through on support frame (2) and rotationally install two axis of rotation (5), two fixedly installed multistation equipment (3) jointly between axis of rotation (5), be provided with angle modulation subassembly (6) in workstation (1) for adjust the welding angle of frame (4), be provided with speed governing subassembly (7) in workstation (1) for adjust the speed of shifting of frame (4); The angle adjusting assembly (6) comprises an electric telescopic rod (66) rotatably arranged on the inner wall of the workbench (1), and a driving mechanism is jointly arranged between the support frame (2) and the electric telescopic rod (66); The speed regulating assembly (7) comprises a servo motor (71) fixedly mounted on the inner wall of the workbench (1), a shaft rod (72) is fixedly mounted on the driving end of the servo motor (71), fixed cone pulleys (73) are fixedly mounted on the fixing ends of the shaft rod (72) and the electric telescopic rod (66), sliding grooves (74) which are uniformly distributed in an annular shape are formed in the fixing ends of the shaft rod (72) and the electric telescopic rod (66), adjusting cone pulleys (75) are correspondingly and jointly mounted between the sliding grooves (74) in a sliding mode, a metal belt (76) is sleeved between the fixed cone pulleys (73) and the two adjusting cone pulleys (75) in a sleeved mode, and speed regulating mechanisms are mounted in the workbench (1).
  2. 2. The plasma welding multi-station device for the motorcycle frame according to claim 1, wherein the driving mechanism comprises a rotating gear (610) fixedly installed on the telescopic end of an electric telescopic rod (66), a cylinder (67) is penetrated and fixedly installed on the support frame (2), gear teeth (69) which are uniformly distributed in a ring shape are fixedly installed on the inner wall of the cylinder (67), the gear teeth (69) are matched with the rotating gear (610), a transmission part is installed on the electric telescopic rod (66), and a positioning part is installed in the support frame (2).
  3. 3. A motorcycle frame plasma welding multi-station device according to claim 2, wherein the transmission part comprises a rotating rod (61) rotatably mounted on the inner wall of the supporting frame (2), a first conical gear (65) is fixedly mounted on the rotating rod (61), and a second conical gear (68) matched with the first conical gear (65) is fixedly mounted on the telescopic end of the electric telescopic rod (66).
  4. 4. A motorcycle frame plasma welding multi-station device according to claim 3, wherein the positioning component comprises two first rotating wheels (62) fixedly arranged on a rotating rod (61), two second rotating wheels (63) are fixedly arranged on the two rotating shafts (5), and a conveyor belt (64) is sleeved between the two first rotating wheels (62) and the corresponding second rotating wheels (63).
  5. 5. The plasma welding multi-station device for the motorcycle frame according to claim 1, wherein the speed regulating mechanism comprises two limiting rods (716) fixedly installed on the inner wall of the workbench (1), a push-pull plate (717) is fixedly installed between the two limiting rods (716), a rod body (719) is fixedly installed on the push-pull plate (717), two push plates (720) are fixedly installed on the rod body (719), the two push plates (720) are matched with corresponding regulating cone wheels (75), a force transmission component is installed on the electric telescopic rod (66), and a pushing component is installed in the workbench (1).
  6. 6. The multi-station plasma welding device for the motorcycle frame according to claim 5, wherein the force transmission component comprises a parallel shaft gear (77) fixedly arranged on the fixed end of the electric telescopic rod (66), a limit groove (8) is formed in the workbench (1), a fixing frame (78) is slidably arranged on the limit groove (8), first tooth blocks (79) which are uniformly distributed in a linear shape are fixedly arranged on the fixing frame (78), and the first tooth blocks (79) are matched with the parallel shaft gear (77); The novel automatic grinding machine is characterized in that a round rod (711) is rotatably arranged on the inner wall of the workbench (1), a bidirectional clutch (714) is fixedly arranged on the round rod (711), a spur gear (713) is fixedly arranged on the outer side of the bidirectional clutch (714), a second tooth block (710) which is in linear uniform distribution is fixedly arranged on the fixing frame (78), and the second tooth block (710) is matched with the spur gear (713).
  7. 7. A motorcycle frame plasma welding multi-station device according to claim 6, characterized in that the pushing member comprises a rotary disk (715) fixedly mounted on a round rod (711), and a driving rod (718) matched with a push-pull plate (717) is fixedly mounted on the rotary disk (715).
  8. 8. A motorcycle frame plasma welding multi-station device according to claim 6, characterized in that a torsion spring (712) is fixedly mounted between the round bar (711) and the workbench (1).

Description

Plasma welding multi-station device for motorcycle frame Technical Field The invention relates to the technical field of plasma welding, in particular to a multi-station plasma welding device for a motorcycle frame. Background The motorcycle frame is used as a core bearing part of the whole motorcycle, the structural strength and the connection precision of the motorcycle frame directly determine the running safety and the control stability of the whole motorcycle, along with the development of the motorcycle industry to the light weight and high performance, the frame gradually adopts the designs of high-strength alloy pipes, complex special-shaped sections and the like, the traditional processes such as arc welding, gas shielded welding and the like have difficulty in meeting the requirements of welding efficiency, welding quality and material performance protection, under the background, the plasma welding technology effectively solves the problems of large deformation, insufficient welding toughness and the like when the high-strength alloy frame is welded by virtue of the advantages of high energy density, small welding heat affected zone, attractive welding seam forming and high strength, and simultaneously, the motorcycle frame welding technology is rapidly a preferable technology for welding the motorcycle frame (for improving the stability and the welding effect of the operation of workers or automatic equipment) and generally utilizes the prior multi-station equipment to fix the position of the motorcycle frame before the welding, and realizes the stable fixing of the motorcycle frame through the mutual cooperation of all components on the multi-station equipment; However, most of the motorcycle frames are of complex space truss structures, after the existing multi-station equipment adopts the upper fixing clamp group to integrally position the frames, the to-be-welded parts of the butt joint and angle joint of partial pipes on the frames can be positioned in the overhead welding position or the vertical welding position, if the existing automatic welding equipment is utilized to weld the frames, the installation angle and the movement track of the welding gun on the automatic welding equipment are fixedly arranged at the moment, and cannot be dynamically adjusted according to the gesture characteristics of vertical welding and overhead welding, so that the plasma arc molten pool is easy to flow downwards due to gravity when vertical welding easily occurs, the upper part of the welding seam is insufficient, the lower part is too high, the molten pool metal is easy to fall down when overhead welding easily, the auxiliary effect of the equipment on welding the motorcycle frames is reduced, and therefore, the plasma welding device for the motorcycle frames is provided to solve the problems. Disclosure of Invention The invention aims to solve the problems in the background art and provides a plasma welding multi-station device for a motorcycle frame. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides a motorcycle frame plasma welding multistation device, includes workstation, frame, rotate on the workstation and install the support frame, run through on the support frame and rotate and install two axis of rotation, two jointly fixed mounting has multistation equipment between the axis of rotation, be provided with angle modulation subassembly in the workstation for adjust the welding angle of frame, be provided with speed governing subassembly in the workstation, be used for adjusting the speed of shifting of frame; The angle adjusting assembly comprises an electric telescopic rod rotatably arranged on the inner wall of the workbench, and a driving mechanism is jointly arranged between the supporting frame and the electric telescopic rod; The speed regulating assembly comprises a servo motor fixedly mounted on the inner wall of a workbench, a shaft lever is fixedly mounted on the driving end of the servo motor, fixed cone pulleys are fixedly mounted on the shaft lever and the fixing end of an electric telescopic rod, sliding grooves which are uniformly distributed in an annular shape are formed in the shaft lever and the fixing end of the electric telescopic rod, regulating cone pulleys are mounted between the sliding grooves in a sliding mode, a metal belt is sleeved between the fixed cone pulleys and the two regulating cone pulleys in a sleeved mode, and a speed regulating mechanism is mounted in the workbench. In the plasma welding multi-station device of the motorcycle frame, the driving mechanism comprises a rotating gear fixedly arranged on the telescopic end of the electric telescopic rod, a cylinder penetrates through the supporting frame and is fixedly arranged on the supporting frame, gear teeth which are uniformly distributed in an annular shape are fixedly arranged on the inner wall of the cylinder, the gear teeth