CN118180549A - Energy-absorbing box welding device and working method thereof - Google Patents
Energy-absorbing box welding device and working method thereof Download PDFInfo
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- CN118180549A CN118180549A CN202410600705.0A CN202410600705A CN118180549A CN 118180549 A CN118180549 A CN 118180549A CN 202410600705 A CN202410600705 A CN 202410600705A CN 118180549 A CN118180549 A CN 118180549A
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- 238000003466 welding Methods 0.000 title claims abstract description 159
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 31
- 230000008569 process Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 claims description 6
- 230000002195 synergetic effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims 7
- 230000033001 locomotion Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K5/00—Gas flame welding
- B23K5/22—Auxiliary equipment, e.g. backings, guides
- B23K5/24—Arrangements for supporting torches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K5/00—Gas flame welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K5/00—Gas flame welding
- B23K5/22—Auxiliary equipment, e.g. backings, guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an energy-absorbing box welding device and a working method thereof, which belong to the technical field of machining and are used for providing the energy-absorbing box welding device with higher flexibility and smaller occupied space. According to the invention, the welding gun head has extremely high movement flexibility by arranging the three-dimensional movement freedom degree, the rotation freedom degree and the swing freedom degree for one welding gun head, so that the space occupied by the welding gun head is less, the probability of interference with the materials to be fetched and placed is lower, and the fetching and placing operation is more convenient; the design structure is simple, and the welding work efficiency of the energy absorption boxes can be effectively improved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a welding device for an energy absorption box and a working method thereof.
Background
The energy-absorbing box is one of important parts for absorbing impact kinetic energy of a vehicle, the damage degree of the whole frame can be effectively reduced, the metal side wall of the energy-absorbing box is provided with a fold structure, the folds are not easy to form on the square tube, so that the square tube is formed in a welding mode after a metal sheet is bent and formed, the existing welding equipment is required to be provided with a plurality of welding heads due to the limitation of flexibility, the space occupied by the welding heads is reserved for the installation tool of the energy-absorbing box, the installation space reserved for the installation tool of the energy-absorbing box is small, the number of the welding heads is large, the interference probability in the process of taking and placing the materials of the energy-absorbing box can be increased, the placing operation of the materials and the taking operation of welding finished products become more troublesome, and if the welding heads are manually operated, the probability of being injured when the welding heads are encountered is large, extra care is required; if the mechanical arm is arranged, the moving space of the mechanical arm is very limited, and the mechanical arm is not easy to design in movement.
Disclosure of Invention
The invention aims to provide the energy-absorbing box welding device with higher flexibility and smaller occupied space.
In order to achieve the above object, the present invention provides a welding device for an energy absorption box: including Z to the guide rail, swing joint has Y guide rail on the Z to the guide rail, swing joint has X guide rail on the Y to the guide rail, swing joint has main tractor on the X to the guide rail, main tractor rotates to be connected with the hoop guide rail, swing joint has vice tractor on the hoop guide rail, vice tractor rotates to be connected with the welding arm, the end of welding arm is provided with the welder head, the welding arm is suitable for carrying welder head carries out position and angle adjustment, and single welder head has high flexibility, therefore a welder head just can realize the welding work of all directions.
Preferably, the welding arm comprises a configuration plate, the configuration plate is rotatably connected with a primary telescopic part through a hinge structure, the movable end of the primary telescopic part is rotatably connected with a secondary telescopic part through the hinge structure, and the welding gun head is fixedly connected with the movable end of the secondary telescopic part; the first-stage telescopic part with be connected with the one-stage traction lever between the configuration board, the second grade telescopic part with be connected with the second grade traction lever between the configuration board for drive the telescopic part and carry out the angle adjustment.
As a preference, the first-stage telescopic part, the second-stage telescopic part, the first-stage traction rod and the second-stage traction rod all adopt electric telescopic rods, two ends of the first-stage traction rod are respectively connected with the configuration plate and the shell of the first-stage telescopic part in a rotating way through the hinge structure, and two ends of the second-stage traction rod are respectively connected with the configuration plate and the shell of the second-stage telescopic part in a rotating way through the hinge structure, so that the movement freedom degree of linkage is ensured.
As one preferable mode, the auxiliary tractor comprises an inner disc seat, an inner rotating shaft is connected to the center of the inner disc seat in a rotating mode, the configuration plate is fixedly connected with the inner rotating shaft through an inner rotating disc, a clamping plate is arranged on the end face, facing away from the configuration plate, of the inner disc seat, a crawler wheel is arranged in the clamping plate, the configuration plate is in transmission connection with the annular guide rail through the crawler wheel, auxiliary driving is arranged outside the clamping plate, and the auxiliary driving device is suitable for driving the crawler wheel and the inner rotating shaft to respectively realize sliding and rotating functions.
Preferably, the annular guide rail comprises an annular rail, a coaxial engaging groove is formed in the end face of the annular rail, a tooth groove is formed in the inner wall of the engaging groove, and the annular guide rail is suitable for being meshed with the crawler wheel and has high position control precision.
As one preferable mode, the main tractor comprises an X-axis slider, the end face, facing the annular rail, of the X-axis slider is provided with an outer disc seat, the center of the outer disc seat is provided with an outer rotating shaft, the outer side face of the annular rail is fixedly connected with an outer rotating disc through a shielding plate, the outer rotating disc is suitable for being fixedly connected with the outer rotating shaft, and the X-axis slider is provided with a main drive, so that the moving and rotating functions are considered.
Preferably, the X-axis slider is provided with a through hole penetrating through two side surfaces, a gear is arranged on the inner wall of the through hole, a tooth slot is formed in the X-direction guide rail, and the X-direction guide rail penetrates through the through hole to be meshed with the gear, so that transmission precision is guaranteed.
As one preference, two ends of the X-direction guide rail are respectively fixedly connected with a Y-axis slider through a bridging plate, a Y-direction chute is formed in the side face of the Y-direction guide rail, a tooth slot is formed in the inner wall of the Y-direction chute, the output end of the Y-axis slider is fixedly connected with a gear, and the Y-direction slider is suitable for meshing with the tooth slot in the Y-direction chute, and is a transmission structure which cannot slip, so that the Y-direction slider is a guarantee for high-precision position control.
Preferably, two ends of the Y-direction guide rail are fixedly connected with a Z-axis slider, the output end of the Z-axis slider is fixedly connected with a gear, the outer side surface of the Z-direction guide rail is provided with a straight tooth slot, and the Z-direction guide rail is suitable for being meshed with the gear by passing through the Z-axis slider; the upper end of the Z-direction guide rail passes through the Z-axis slider and is fixedly connected with a limiting block, and the lower end of the Z-direction guide rail is fixedly connected with a bridging beam through a rib plate, so that the relative position between the guide rails is ensured to be stable.
The invention also provides a working method using the energy-absorbing box welding device, which comprises the following specific steps:
S1, buckling an upper part and a lower part in the middle of an energy absorption box together, and placing the energy absorption box in an annular guide rail and approaching a welding gun head which is also positioned in the annular guide rail;
s2, pressing parts at two ends of the energy-absorbing box at two ends of the middle part, wherein the four parts form an experimental unwelded energy-absorbing box, and the four parts of the energy-absorbing box can be kept relatively stable due to the fact that the two middle parts are clamped to have larger contact friction force, so that the joint state of contact surfaces is kept in a fusion welding process;
S3, clamping the unwelded energy absorption boxes by a clamping tool, keeping the positions unchanged, starting a main drive, and adjusting the direction of the annular guide rail to enable the annular guide rail to be perpendicular to the extending direction of the energy absorption boxes;
S4, starting an X-axis slider, a Y-axis slider and a Z-axis slider, adjusting the height of a welding gun head, enabling the working end of the welding gun head to be close to the initial position of a welding seam of the energy-absorbing box, and preparing to initialize the position and the angle of the welding gun head;
s5, starting auxiliary driving, adjusting the angle of the welding gun head, enabling the working end of the welding gun head to be aligned with the welding seam of the energy-absorbing box, and adjusting the angle of the welding gun head at the initial position;
s6, igniting the welding gun head, melting a metal material near the welding seam of the energy-absorbing box, recording the time required by the thickness of the thin plate with the penetration greater than or equal to 0.12 times, calculating the linear speed V of the welding gun head bypassing the welding seam, and obtaining important parameters of the moving speed of the welding gun head;
S7, closing the welding gun head, dragging the welding gun head, keeping the distance and the angle of the working end of the welding gun head relative to the welding seam under the synergistic effect of the primary telescopic part, the secondary telescopic part, the primary traction rod and the secondary traction rod, recording the action data of the Z-axis slider, the Y-axis slider, the main tractor, the auxiliary tractor and the telescopic part and the traction rod in the moving process by utilizing a computer, until the welding gun head passes through the whole welding seam, returning the welding gun head to the initial position, and finely adjusting the angle and the distance of the welding gun head at each position of the whole welding seam, so that the data recording process is long;
S8, taking down the energy-absorbing box for experiments, replacing the energy-absorbing box to be welded with a new energy-absorbing box, and clamping the new energy-absorbing box by a clamping tool, wherein the position and the angle of the new energy-absorbing box are the same as those of the energy-absorbing box for the experiments, so that the position can be reused in subsequent welding;
s9, starting the Z-axis slipping device, the Y-axis slipping device, the main traction device and the auxiliary traction device again, keeping the distance and the angle of the welding gun head relative to the welding line at the linear speed V under the synergistic effect of the primary telescopic part, the secondary telescopic part, the primary traction rod and the secondary traction rod, extinguishing the fire after ignition when the welding gun head moves from the initial end to the tail end of the welding line, returning to the initial position, replacing the welded energy absorption box, and continuously repeating the welding steps, so that continuous welding can be realized, and the subsequent welding operation is very quick.
Compared with the prior art, the invention has the beneficial effects that:
(1) By arranging three-dimensional movement freedom degrees, rotation freedom degrees and swinging freedom degrees for one welding gun head, the welding gun head has extremely high movement flexibility, can be aligned with the energy-absorbing boxes at any position and any angle in a working space, and can realize fusion welding on all welding seams by only one welding gun head no matter how complex the welding seams on the energy-absorbing boxes are and how complex the welding seams run, so that the occupied space of the welding gun head is less, the probability of interference with materials to be fetched and placed is lower, and the fetching and placing operation is more convenient no matter how much manual operation or mechanical arm arrangement is carried out;
(2) The design structure is simple, the control precision is high, and the unified action can be efficiently and repeatedly reproduced only by one-time accurate teaching, so that the efficiency of the welding work of the energy absorption box can be effectively improved.
Drawings
Fig. 1 is a perspective view of the whole structure of the welding device for the energy absorption box.
Fig. 2 is a schematic perspective view of the welding device for the energy absorption box, wherein the schematic perspective view is matched with the Y-direction guide rail in the X direction.
Fig. 3 is a schematic perspective view of the circumferential guide rail and the X-guide rail of the welding device for the energy absorption box.
Fig. 4 is a schematic perspective view of a welding arm of the welding device for the energy-absorbing box, which is connected with a main tractor through a circumferential guide rail.
Fig. 5 is a schematic perspective view of the connection between the circumferential guide rail and the main tractor of the welding device for the energy absorption box.
Fig. 6 is a schematic perspective view of a main retractor of the welding device for the crash box.
Fig. 7 is a schematic perspective view of a circumferential guide rail of the welding device for the energy absorption box.
Fig. 8 is a schematic perspective view of a welding arm of the welding device for the energy absorption box, which is matched with the annular guide rail through the auxiliary tractor.
Fig. 9 is a schematic perspective view of a connection between a welding arm and a secondary tractor of the welding device for the energy absorption box.
Fig. 10 is a schematic perspective view of a secondary retractor of the crash box welding apparatus.
FIG. 11 is a first view of a three-dimensional structure of a welding arm of the crash box welding apparatus.
FIG. 12 is a second view of a perspective view of a welding arm of the crash box welding apparatus.
In the figure: 1. a bridge beam; 101. rib plates; 2. a Z-direction guide rail; 201. a limiting block; 3. a Y-direction guide rail; 301. a Z-axis slider; 302. y-direction sliding grooves; 4. an X-direction guide rail; 401. a bridging plate; 402. a Y-axis slider; 5. a main retractor; 501. an X-axis slider; 502. a pass-through hole; 503. an outer tray seat; 504. an outer rotating shaft; 505. a main drive; 6. a circumferential guide rail; 601. an outer turntable; 602. a shielding plate; 603. an endless track; 604. a fitting groove; 7. a secondary retractor; 701. an inner tray seat; 702. an inner rotating shaft; 703. a clamping plate; 704. track wheels; 705. a secondary drive; 8. a welding arm; 801. an inner turntable; 802. a configuration board; 803. a first-stage expansion part; 804. a second-stage expansion part; 805. a welding gun head; 806. a primary traction rod; 807. a secondary traction rod; 808. a hinge structure.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.
In the description of the present invention, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present invention that the device or element referred to must have a specific azimuth configuration and operation.
It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The energy-absorbing box welding device shown in fig. 1-12 comprises four Z-direction guide rails 2, wherein the Z-direction guide rails 2 are in the vertical direction, the four Z-direction guide rails 2 are positioned at four side edges of a cuboid shape in general, Y-direction guide rails 3 are movably connected to the Z-direction guide rails 2, the Y-direction guide rails 3 are in the horizontal direction and are generally arranged in two, each Y-direction guide rail 3 is perpendicular to the two Z-direction guide rails 2 in the same plane, two ends of each Y-direction guide rail 3 are fixedly connected with a Z-axis slider 301, a servo motor is arranged in each Z-axis slider 301, the output end of each Z-axis slider 301, namely the output end of each servo motor, is fixedly connected with a gear, the outer side face of each Z-direction guide rail 2 is provided with a straight tooth groove, each Z-direction guide rail 2 just penetrates through each Z-axis slider 301 to be meshed with the gear, and the position accuracy of the transmission mode is higher; on the other hand, in order to prevent the Z-axis slider 301 from slipping off the upper end of the Z-axis rail 2, the upper ends of the Z-axis rail 2 passing through the Z-axis slider 301 are fixedly connected with the stoppers 201, the heights of the four stoppers 201 are uniform, the lower ends of the Z-axis rail 2 are fixedly connected with the bridge beam 1 through the rib plate 101, and the bridge beam 1 can limit the relative distance between the Z-axis rails 2 and also serve as a means for preventing the Z-axis slider 301 from slipping off the lower ends of the Z-axis rail 2.
The Y-direction guide rail 3 is movably connected with the X-direction guide rail 4, the X-direction guide rail 4 is also on the horizontal plane and is vertical to the Y-direction guide rail 3 and the Z-direction guide rail 2, so that the three guide rails form a rectangular space coordinate structure, the X-direction guide rail 4 is movably connected with the main tractor 5, the main tractor 5 comprises an X-axis sliding device 501, a servo motor is also arranged in the X-axis sliding device 501, the X-axis sliding device 501 is provided with a through hole 502 penetrating through two side surfaces, the inner wall of the through hole 502 is provided with a gear, the gear is actually connected with the output end of the servo motor, the X-direction guide rail 4 is provided with a tooth groove, and the X-direction guide rail 4 just penetrates through the through hole 502 to be meshed with the gear, so that good position control precision can be kept.
The two ends of the X-direction guide rail 4 are fixedly connected with Y-axis sliders 402 through bridging plates 401 respectively and are used for being matched with the Y-direction guide rail 3 to form a sliding pair, Y-direction sliding grooves 302 are formed in the side face of the Y-direction guide rail 3, tooth grooves are formed in the inner walls of the Y-direction sliding grooves 302, a servo motor is also arranged in the Y-axis sliders 402, and the output end of the Y-axis sliders 402 is fixedly connected with gears and are used for being meshed with the tooth grooves in the Y-direction sliding grooves 302, so that the Y-direction guide rail has higher transmission precision.
The main tractor 5 rotates and is connected with the annular guide rail 6, the end face of the X-axis slider 501 facing the annular track 603 is provided with an outer disc seat 503, the center of the outer disc seat 503 is provided with an outer rotating shaft 504, the outer side face of the annular track 603 is fixedly connected with an outer rotating disc 601 through a shielding plate 602, the outer rotating disc 601 is fixedly connected with the outer rotating shaft 504 and is coaxial, the X-axis slider 501 is provided with a main drive 505, and the main drive 505 at least comprises two groups of servo motors and a speed reducer and is used for respectively realizing sliding and rotating functions.
The annular guide rail 6 is movably connected with a secondary tractor 7, the specific structure of the secondary tractor 7 comprises an inner disc seat 701, the center of the inner disc seat 701 is rotationally connected with an inner rotating shaft 702, the inner rotating shaft 702 is an output shaft of one speed reducer, a configuration plate 802 is fixedly connected with the inner rotating shaft 702 through an inner rotating disc 801, the inner disc seat 701 is coaxial, the end faces of the inner disc seat 701, which face back to the configuration plate 802, are provided with a pair of clamping plates 703, the clamping plates 703 are symmetrically arranged, a crawler wheel 704 is arranged in the clamping plates 703, the outer surface of the crawler wheel 704 is provided with gear teeth, the configuration plate 802 is in transmission connection with the annular guide rail 6 through the crawler wheel 704, the specific structure of the annular guide rail 6 comprises an annular track 603, the end face of the annular track 603 is provided with a coaxial engagement groove 604, a tooth groove is formed in the inner wall of the engagement groove 604 and is just meshed with the crawler wheel 704, the clamping plates 703 are internally provided with a secondary driving 705, and the secondary tractor 7 also comprises two groups of servo motors and speed reducers for respectively driving the crawler wheel 704 and the inner rotating shaft 702 to respectively realize sliding and rotating functions.
The auxiliary tractor 7 is rotationally connected with the welding arm 8, so that the welding arm 8 has more flexible angle adjustment capability, the specific structure of the welding arm 8 comprises a configuration plate 802, the configuration plate 802 is rotationally connected with a primary telescopic part 803 through a hinge structure 808, the primary telescopic part 803 mostly adopts an electric telescopic rod with higher control precision, the movable end of the primary telescopic part 803 is rotationally connected with a secondary telescopic part 804 through the hinge structure 808, the secondary telescopic part 804 also adopts the electric telescopic rod with higher precision, the tail end of the welding arm 8 is provided with a welding gun head 805, the welding gun head 805 is fixedly connected with the movable end of the secondary telescopic part 804, and the secondary telescopic part 804 can also stretch and swing relative to the primary telescopic part 803, so that the welding gun head 805 arranged at the tail end can also flexibly adjust relative height and angle relative to the configuration plate 802.
The primary traction rod 806 is connected between the primary traction rod 803 and the configuration plate 802, the secondary traction rod 807 is connected between the secondary traction rod 804 and the configuration plate 802, and the secondary traction rod 807 is connected with the secondary traction rod 804 which is farther from the configuration plate 802, so that the secondary traction rod 807 is longer than the primary traction rod 806, the secondary traction rod 807, the primary traction rod 803 and the secondary traction rod 804 are all electric telescopic rods with higher control precision, two ends of the primary traction rod 806 are respectively connected with the shells of the configuration plate 802 and the primary traction rod 803 in a rotating manner through the hinge structure 808, interference of telescopic motion of the primary traction rod 803 can be reduced, two ends of the secondary traction rod 807 are respectively connected with the shells of the configuration plate 802 and the secondary traction rod 804 in a rotating manner through the hinge structure 808, and the interference of motion can be reduced, the welding arm 8 can carry the welding gun head 805 to adjust the position and the angle, the axes of the hinge structure 808 are all parallel, and the welding gun head 805 can swing very freely in one plane.
The using method of the energy-absorbing box welding device comprises the following steps:
the first step, the upper and lower parts in the middle of the energy absorption box are buckled together and placed in the annular guide rail 6, and the energy absorption box actually penetrates through the annular guide rail 6;
Secondly, pressing the parts at the two ends of the energy-absorbing box at the two ends of the middle part, wherein the four parts form an experimental unwelded energy-absorbing box, and the four parts of the energy-absorbing box can be kept relatively stable as the two middle parts are clamped to have larger contact friction force;
Thirdly, the unwelded energy-absorbing box is clamped by a clamping tool, the clamping tool is another device and is not integrated with the welding device, and the energy-absorbing box belongs to the very mature prior art, as long as the clamping function can be realized, the description is not expanded, the position of the unwelded energy-absorbing box is kept unchanged, the main drive 505 is started, the direction of the annular guide rail 6 is adjusted, and the plane of the annular guide rail 6 is perpendicular to the extending direction line of the energy-absorbing box;
Fourth, starting the X-axis slider 501, the Y-axis slider 402 and the Z-axis slider 301, and adjusting the height of the welding gun head 805 to enable the working end of the welding gun head 805 to be close to the initial position of the welding seam of the energy absorption box, wherein the step is a rough adjustment step;
Fifthly, starting an auxiliary drive 705, adjusting the angle of the welding gun head 805, and enabling the working end of the welding gun head 805 to be aligned with the welding seam of the energy absorption box through fine adjustment;
Step six, igniting the welding gun head 805, melting the metal material near the welding seam of the energy-absorbing box, recording the time required by the thickness of the thin plate material with the penetration greater than or equal to 0.12 times, visually measuring by workers according to experience, namely, the thickness of the material approximately exceeding 0.12 times, and then, according to the diameter of flame, calculating the linear velocity V of the welding gun head 805 skipping the welding seam approximately;
Seventh, the flame of the welding gun head 805 is closed, then the welding gun head 805 is dragged, under the synergistic effect of the primary telescopic part 803, the secondary telescopic part 804, the primary traction rod 806 and the secondary traction rod 807, the distance and the angle of the working end of the welding gun head 805 relative to the welding seam are kept to move, and the action data of the Z-axis slider 301, the Y-axis slider 402, the main tractor 5, the auxiliary tractor 7, the telescopic part and the traction rod in the moving process are recorded by a computer, until the welding gun head 805 passes through the whole welding seam, the welding gun head 805 returns to the initial position, and the annular track 603 can be always perpendicular to the extending direction of the energy absorption box in the process;
Eighth, taking down the energy-absorbing box for experiments, replacing the energy-absorbing box with a new energy-absorbing box to be welded, and performing complete welding, wherein the position and the angle of the new energy-absorbing box which is clamped by the clamping tool are the same as those of the energy-absorbing box for experiments, so that all welding seams can be welded together by the moving parts after the moving parts walk again according to the recorded position data under the control of a computer;
And ninth, starting the Z-axis slider 301, the Y-axis slider 402, the main tractor 5 and the auxiliary tractor 7 again, keeping the distance and the angle of the welding gun head 805 relative to the welding line at the linear speed V under the synergistic effect of the primary telescopic part 803, the secondary telescopic part 804, the primary traction rod 806 and the secondary traction rod 807, extinguishing the fire after the fire, and returning to the initial position after the fire is started until the fire is stopped from the initial end of the welding line to the tail end, replacing the welded energy absorption box, and continuously repeating the welding steps, thus realizing continuous welding.
The foregoing has outlined the basic principles, features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An energy-absorbing box welding set, its characterized in that: including Z guide rail (2), swing joint has Y guide rail (3) on Z guide rail (2), swing joint has X to guide rail (4) on Y to guide rail (3), swing joint has main tractor (5) on X to guide rail (4), main tractor (5) rotate and be connected with hoop guide rail (6), swing joint has auxiliary tractor (7) on hoop guide rail (6), auxiliary tractor (7) rotate and be connected with welding arm (8), the end of welding arm (8) is provided with welder head (805), welding arm (8) are suitable for being taken welder head (805) carries out position and angle adjustment, welding arm (8) are including configuration board (802), configuration board (802) are connected with one-level expansion portion (803) through hinge structure (808) rotation, the expansion end of one-level expansion portion (808) are connected with two-level expansion portion (804) through hinge structure (808) rotation, welder head (805) fixedly connected with the expansion end of two-level expansion portion (804). A primary traction rod (806) is connected between the primary telescopic part (803) and the configuration plate (802), and a secondary traction rod (807) is connected between the secondary telescopic part (804) and the configuration plate (802).
2. The energy absorber cartridge welding apparatus of claim 1, wherein: the utility model discloses a motor-driven telescopic device, including one-level telescopic part (803), second grade telescopic part (804), one-level traction lever (806), second grade traction lever (807) all adopt electric telescopic handle, the both ends of one-level traction lever (806) respectively through hinge structure (808) with configuration board (802) with the casing rotation of one-level telescopic part (803) is connected, the both ends of second grade traction lever (807) respectively through hinge structure (808) with configuration board (802) with the casing rotation of second grade telescopic part (804) is connected.
3. The energy absorber cartridge welding apparatus of claim 2, wherein: the auxiliary tractor (7) comprises an inner disc seat (701), an inner rotating shaft (702) is connected to the center of the inner disc seat (701) in a rotating mode, the configuration plate (802) is fixedly connected with the inner rotating shaft (702) through an inner rotating disc (801), the inner disc seat (701) faces away from the end face of the configuration plate (802) and is provided with a clamping plate (703), a crawler wheel (704) is arranged in the clamping plate (703), the configuration plate (802) is in transmission connection with the annular guide rail (6) through the crawler wheel (704), and an auxiliary drive (705) is arranged outside the clamping plate (703) and is suitable for driving the crawler wheel (704) and the inner rotating shaft (702).
4. The energy absorber cartridge welding apparatus of claim 3, wherein: the annular guide rail (6) comprises an annular rail (603), a coaxial engaging groove (604) is formed in the end face of the annular rail (603), and a tooth slot is formed in the inner wall of the engaging groove (604) and is suitable for being meshed with the crawler wheel (704).
5. The energy absorber cartridge welding apparatus of claim 4, wherein: main tractor (5) include X axle slider (501), X axle slider (501) subtend the terminal surface of annular track (603) has outer dish seat (503), the center of outer dish seat (503) has outer pivot (504), the lateral surface of annular track (603) is through shielding plate (602) fixedly connected with outer carousel (601), outer carousel (601) be suitable for with outer carousel (504) fixed connection, be provided with main drive (505) on X axle slider (501).
6. The energy absorber cartridge welding apparatus of claim 5, wherein: the X-axis sliding device (501) is provided with a through hole (502) penetrating through two side surfaces, a gear is arranged on the inner wall of the through hole (502) of the X-axis sliding device (501), a tooth slot is formed in the X-direction guide rail (4), and the X-direction guide rail (4) penetrates through the through hole (502) to be meshed with the gear.
7. The energy absorber box welding apparatus according to any one of claims 1 to 6, wherein: two ends of the X-direction guide rail (4) are fixedly connected with Y-axis sliders (402) through bridging plates (401) respectively, Y-direction sliding grooves (302) are formed in the side faces of the Y-direction guide rail (3), tooth grooves are formed in the inner walls of the Y-direction sliding grooves (302), and gears are fixedly connected to the output ends of the Y-axis sliders (402) and are suitable for being meshed with the tooth grooves in the Y-direction sliding grooves (302).
8. The energy absorber cartridge welding apparatus of claim 7, wherein: the two ends of the Y-direction guide rail (3) are fixedly connected with a Z-axis slider (301), the output end of the Z-axis slider (301) is fixedly connected with a gear, a straight tooth slot is formed in the outer side surface of the Z-direction guide rail (2), and the Z-direction guide rail (2) is suitable for being meshed with the gear through the Z-axis slider (301); the upper end of the Z-shaped guide rail (2) penetrates through the Z-axis slider (301) and is fixedly connected with a limiting block (201), and the lower end of the Z-shaped guide rail (2) is fixedly connected with a bridging beam (1) through a rib plate (101).
9. A method of operation using the crash box welding apparatus as recited in claim 8, comprising the steps of:
s1, buckling an upper part and a lower part in the middle of an energy absorption box together and placing the energy absorption box in an annular guide rail;
S2, pressing parts at two ends of the energy absorption box at two ends of the middle part, wherein the four parts form an experimental unwelded energy absorption box, and the four parts of the energy absorption box can be kept relatively stable as the two middle parts are clamped to have larger contact friction force;
s3, clamping the unwelded energy absorption boxes by a clamping tool, keeping the positions unchanged, starting a main drive, and adjusting the direction of the annular guide rail;
s4, starting an X-axis slider, a Y-axis slider and a Z-axis slider, and adjusting the height of the welding gun head to enable the working end of the welding gun head to be close to the initial position of the welding seam of the energy absorption box;
S5, starting auxiliary drive, and adjusting the angle of the welding gun head to enable the working end of the welding gun head to be aligned with the welding seam of the energy absorption box;
S6, igniting the welding gun head, melting a metal material near the welding line of the energy-absorbing box, recording the time required by the thickness of the thin plate with the penetration greater than or equal to 0.12 times, and calculating the linear speed V of the welding gun head bypassing the welding line;
S7, closing the welding gun head, dragging the welding gun head, keeping the distance and the angle of the working end of the welding gun head relative to a welding line under the synergistic effect of the primary telescopic part, the secondary telescopic part, the primary traction rod and the secondary traction rod, and recording the action data of the Z-axis slider, the Y-axis slider, the main tractor, the auxiliary tractor and the telescopic part and the traction rod in the moving process by utilizing a computer until the welding gun head passes through the whole welding line, and returning the welding gun head to the initial position;
s8, taking down the energy-absorbing box for the experiment, replacing the energy-absorbing box to be welded with a new energy-absorbing box, and clamping the new energy-absorbing box by a clamping tool, wherein the position and the angle of the new energy-absorbing box are the same as those of the energy-absorbing box for the experiment;
S9, starting the Z-axis slider, the Y-axis slider, the main tractor and the auxiliary tractor again, keeping the distance and the angle of the welding gun head relative to the welding line at the linear speed V under the synergistic effect of the primary telescopic part, the secondary telescopic part, the primary traction rod and the secondary traction rod, extinguishing the fire after igniting when the welding gun head moves from the initial end to the tail end of the welding line, returning to the initial position, replacing the welded energy absorption box, and continuously repeating the welding step to realize continuous welding.
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Cited By (1)
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| CN118180549B (en) | 2024-07-23 |
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