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CN-121972857-A - Sheet metal part welding device of dining car carriage and working method thereof

CN121972857ACN 121972857 ACN121972857 ACN 121972857ACN-121972857-A

Abstract

The invention relates to a sheet metal part welding device of a dining car carriage and a working method thereof, and the sheet metal part welding device comprises a welding robot and a material fixing mechanism, wherein the material fixing mechanism comprises an electric turntable, a supporting rotary column is fixedly arranged at the rotating end of the electric turntable, a bottom plate electromagnetic seat is arranged on the supporting rotary column, a plurality of first adsorption blocks are detachably arranged on the bottom plate electromagnetic seat, a rotary ring is rotatably arranged on the supporting rotary column, a supporting arm is arranged on the outer side of the rotary ring, a telescopic arm is slidably arranged in the supporting arm, a cross beam is rotatably arranged on the top side of the outer end of the telescopic arm, ultra-high flexibility and high precision customization-free positioning are realized, a traditional clamp mode is overturned, and a universal positioning platform is constructed through the combination of a modularized multi-degree-of-freedom moving chain and a self-adaptive adsorption system.

Inventors

  • ZHAO JUN
  • ZHAO JIAN
  • LI HONG

Assignees

  • 山东康杰智能科技有限公司

Dates

Publication Date
20260505
Application Date
20260408

Claims (10)

  1. 1. The utility model provides a sheet metal part welding set in dining car carriage, its characterized in that, including welding robot (1) and solid material mechanism (2), solid material mechanism (2) are including electric turntable (3), electric turntable (3) rotation end fixed mounting has support swivel post (4), install bottom plate electromagnetic socket (5) on support swivel post (4), demountable installation has a plurality of first adsorption block (6) on bottom plate electromagnetic socket (5), install swivel (7) on support swivel post (4) rotation, support arm (12) are installed in swivel (7) outside, sliding mounting has telescopic boom (14) in support arm (12), crossbeam (20) are installed in telescopic boom (14) outer end top rotation, bracing piece (21) are all installed to telescopic boom (14) tip bottom side and crossbeam (20) both ends bottom, universal supporting wheel (22) are installed to bracing piece (21) bottom, sliding mounting has wiper arm (25) respectively at crossbeam (20) both ends, wiper arm (25) are gone up and are installed support arm (26), swing arm (28) are installed in telescopic boom (28), a plurality of second adsorption blocks (35) are detachably arranged on the inner side of the side plate electromagnetic seat (34).
  2. 2. The sheet metal part welding device of the dining car compartment according to claim 1, wherein external teeth (8) are arranged on the outer side of the swivel (7), a motor base (9) is arranged on the supporting swivel post (4), a first motor (10) is arranged on the motor base (9), and rotating teeth (11) meshed with the external teeth (8) are arranged at the output end of the first motor (10).
  3. 3. The sheet metal part welding device of the dining car compartment according to claim 2, characterized in that a telescopic slot (13) matched with the telescopic arm (14) is formed in the supporting arm (12), sliding slots (15) are formed in two sides of the telescopic slot (13), a second motor (16) is symmetrically arranged in the supporting arm (12), a first threaded rod (18) is arranged in the sliding slot (15) at the output end of the second motor (16), a sliding block (17) is arranged in the sliding slot (15) at two sides of the telescopic arm (14), and the sliding block (17) is in threaded connection with the first threaded rod (18).
  4. 4. A sheet metal part welding device for a dining car body according to claim 3, wherein a third motor (19) is mounted at the end part of the telescopic arm (14), and the output end of the third motor (19) is connected with the middle part of the bottom side of the cross beam (20).
  5. 5. The sheet metal part welding device of the dining car compartment according to claim 4, wherein a fourth motor (23) is installed at the end part of the cross beam (20), a bidirectional threaded rod (24) with opposite thread directions at two ends is installed in the cross beam (20) at the output end of the fourth motor (23), two ends of the bidirectional threaded rod (24) are respectively in threaded connection with two sliding arms (25), and a sliding rail which is slidably installed with the sliding arms (25) is arranged at the outer side of the cross beam (20).
  6. 6. The sheet metal part welding device of the dining car compartment according to claim 5, wherein a fifth motor (27) is installed in the sliding arm (25), and the output end of the fifth motor (27) is connected with the swing arm (26).
  7. 7. The sheet metal part welding device of a dining car carriage according to claim 6, wherein a sixth motor (29) is installed at the bottom side of the swing arm (26), a second threaded rod (30) is installed at the top side of the swing arm (26) at the output end of the sixth motor (29), a plurality of guide rods (31) are installed at the top side of the swing arm (26), and the top ends of the second threaded rod (30) and the guide rods (31) are connected with a supporting limiting plate (32).
  8. 8. The sheet metal part welding device of the dining car compartment according to claim 7, wherein a threaded sliding plate (33) is installed at the bottom end of the telescopic arm sleeve (28), the threaded sliding plate (33) is in threaded connection with the second threaded rod (30), and the threaded sliding plate (33) is slidably installed with the guide rod (31).
  9. 9. The sheet metal part welding device for the dining car compartment according to claim 8, wherein electric telescopic rods are symmetrically arranged on the side wall of the top of the telescopic arm sleeve (28), and limiting holes matched with the electric telescopic rods are formed in the bottom side of the side plate electromagnetic seat (34).
  10. 10. The working method of the sheet metal part welding device of the dining car compartment according to claim 9, wherein the working method comprises the following specific operation steps: Placing a carriage bottom plate on a bottom plate electromagnetic seat (5), directly adsorbing and fixing the carriage bottom plate containing ferromagnetic materials through the bottom plate electromagnetic seat (5), and clamping and fixing the carriage bottom plate without ferromagnetic materials by matching with a first adsorption block (6); The third motor (19) works to drive the cross beam (20) to rotate, the adjusting cross beam (20) is parallel to the carriage bottom plate and the welding part of the carriage side plate, the fifth motor (27) works to realize overturning of the swing arm (26), the adsorption surface of the side plate electromagnetic seat (34) is rotated to the carriage side plate, the adsorption surface of the side plate electromagnetic seat (34) is guaranteed to be flush with the side wall of the carriage side plate, the fourth motor (23) works to drive the bidirectional threaded rod (24) to rotate, the distance between the two sliding arms (25) is adjusted, distance adjustment of the two side plate electromagnetic seats (34) is realized, the sixth motor (29) works to drive the second threaded rod (30) to rotate, the threaded sliding plate (33) in threaded connection is driven to lift along the guide rod (31), the telescopic arm sleeve (28) is lifted on the swing arm (26), the height of the side plate electromagnetic seat (34) is adjusted, the second motor (16) works to drive the first threaded rod (18) to rotate, the threaded slider (17) is driven to move along the chute (15), the telescopic arm (14) to move in the carriage side plate (12) to directly clamp the carriage side plate (34) through the fixed electromagnetic seat and the carriage side plate (35); Step three, the rotating teeth (11) are driven to rotate through the operation of the first motor (10), the rotating teeth are matched with the meshed external teeth (8), the rotation of the supporting arm (12) is achieved, the carriage side plates arranged on the side plate electromagnetic seats (34) are rotated to different sides of the carriage bottom plate, the alignment of welding positions of the carriage side plates and the carriage bottom plate is guaranteed, when the carriage side plates and the carriage bottom plate are welded outside through the welding robot (1), the welding is shielded, the electric telescopic rod contracts and is separated from the limiting holes, then the fifth motor (27) is operated to drive the swinging arm (26) and the telescopic arm sleeve (28) to rotate between the sliding arm (25) and the side plate electromagnetic seats, the welding shielding positions are exposed, and after the welding robot (1) is used for welding, the swinging arm (26) and the telescopic arm sleeve (28) are rotated to the original position, and the electric telescopic rod is inserted into the limiting holes again for limiting.

Description

Sheet metal part welding device of dining car carriage and working method thereof Technical Field The invention relates to the technical field of welding processing of dining car carriages, in particular to a sheet metal part welding device of a dining car carriage and a working method thereof. Background In the process of manufacturing a dining car body, a plurality of large sheet metal parts (such as a body bottom plate and a side plate) are generally required to be assembled and welded under a specific angle so as to form a complete body structure. The prior art adopts large-scale fixed welding jig or manual temporary positioning auxiliary welding more, and to fixed jig, its flexibility is poor, is difficult to adapt to the carriage of different size specifications, and the structure of anchor clamps itself is complicated, often forms to shelter from welding seam position, leads to welding accessibility poor, inefficiency. For manual positioning, the problems of low positioning precision, high labor intensity, poor safety, incapability of ensuring mass production consistency and the like exist. Disclosure of Invention The invention solves the problem of providing a sheet metal part welding device of a dining car carriage and a working method thereof, wherein the device adopts a modularized multi-degree-of-freedom electromagnetic adsorption positioning mechanism, can independently and accurately position and clamp a carriage bottom plate and a plurality of side plates, can realize omnibearing posture adjustment and automatic avoidance welding of the side plates, and remarkably improves welding quality and efficiency. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides a sheet metal component welding set in dining car carriage, includes welding robot and solid material mechanism, solid material mechanism includes electronic revolving stage, electronic revolving stage rotation end fixed mounting has the support swivel post, install the bottom plate electromagnetic socket on the support swivel post, demountable installation has a plurality of first adsorption block on the bottom plate electromagnetic socket, rotate on the support swivel post and install the swivel, the support arm is installed in the swivel outside, slidable mounting has flexible arm in the support arm, flexible arm outer end top side rotates and installs the crossbeam, flexible arm tip bottom side and crossbeam both ends bottom side all install the bracing piece, universal supporting wheel is installed to the bracing piece bottom, slidable mounting has the wiper arm respectively at crossbeam both ends, rotatable mounting has the swing arm on the wiper arm, slidable mounting has flexible arm cover on the swing arm, rotatable mounting has the curb plate electromagnetic socket on the flexible arm cover, the inboard demountable installation of curb plate electromagnetic socket has a plurality of second adsorption block. Preferably, the outer side of the swivel is provided with external teeth, a motor base is arranged on the supporting swivel post, a first motor is arranged on the motor base, and a rotating tooth meshed with the external teeth is arranged at the output end of the first motor. Preferably, the support arm is internally provided with a telescopic slot matched with the telescopic arm, both sides of the telescopic slot are provided with sliding grooves, the support arm is internally symmetrically provided with a second motor, the output end of the second motor is positioned in the sliding grooves and is provided with a first threaded rod, both sides of the telescopic arm are positioned in the sliding grooves and are connected with the first threaded rod in a threaded manner. Preferably, a third motor is installed at the end part of the telescopic arm, and the output end of the third motor is connected with the middle part of the bottom side of the cross beam. Preferably, a fourth motor is installed at the end part of the cross beam, a bidirectional threaded rod with opposite thread directions at two ends is installed in the cross beam at the output end of the fourth motor, two ends of the bidirectional threaded rod are respectively in threaded connection with two sliding arms, and a sliding rail which is in sliding installation with the sliding arms is arranged at the outer side of the cross beam. Preferably, a fifth motor is installed in the sliding arm, and the output end of the fifth motor is connected with the swing arm. Preferably, a sixth motor is installed at the bottom side of the swing arm, a second threaded rod is installed at the top side of the swing arm at the output end of the sixth motor, a plurality of guide rods are installed at the top side of the swing arm, and the second threaded rod and the top ends of the guide rods are connected with the supporting limiting plate. Preferably, the bottom end of the telescopic arm sleeve is provided with a