CN117840620B - Automobile exhaust pipe welding device with automatic adjusting function - Google Patents
Automobile exhaust pipe welding device with automatic adjusting function Download PDFInfo
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- CN117840620B CN117840620B CN202410244298.4A CN202410244298A CN117840620B CN 117840620 B CN117840620 B CN 117840620B CN 202410244298 A CN202410244298 A CN 202410244298A CN 117840620 B CN117840620 B CN 117840620B
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- 238000003466 welding Methods 0.000 title claims abstract description 73
- 238000001125 extrusion Methods 0.000 claims description 67
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000010720 hydraulic oil Substances 0.000 claims description 15
- 210000001624 hip Anatomy 0.000 claims description 5
- 238000000034 method Methods 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention discloses an automobile exhaust pipe welding device with an automatic adjusting function, and relates to the field of automobile part welding. In order to solve the problem that the tail ends of the two exhaust pipes are not aligned after being clamped. The automatic cutting machine comprises a workbench, wherein first push rods which are symmetrically distributed are fixedly connected to the upper side of the workbench, a support frame is connected to the workbench in a sliding mode, a rectangular frame is fixedly connected to the support frame, a slide rod is arranged on the rectangular frame, a moving block is fixedly connected to the slide rod, a rotating block is connected to the moving block in a ball mode, a first elastic telescopic rod is fixedly connected to the rotating block, a friction block is fixedly connected to the telescopic end of the first elastic telescopic rod, and the friction block is detachably connected to the exhaust pipe. According to the invention, the friction blocks are used for fixing the exhaust pipes and then the rotating blocks are twisted, so that the adjacent exhaust pipes are driven to rotate, and the positions of the exhaust pipes are adjusted, so that the welding positions of the two exhaust pipes to be welded are butted together.
Description
Technical Field
The invention relates to the field of automobile part welding, in particular to an automobile exhaust pipe welding device with an automatic adjusting function.
Background
The automobile exhaust pipe is arranged between the engine exhaust pipe and the muffler, the whole exhaust system is connected in series, when the engine is continuously operated, huge heat is generated, the exhaust gas temperature discharged from the air cylinder is very high, if the exhaust gas cannot be timely discharged, the heat is accumulated more and more high, the engine is greatly damaged when the temperature is too high, the exhaust pipe is required to be designed into a multi-section bending shape, the exhaust gas can be cooled in the discharging process, the bent pipe is designed to enable the exhaust gas to be buffered before being discharged, and accordingly noise generated by exhaust gas discharge is reduced.
Because the blast pipe is mostly the return bend, has led to when welding two blast pipes, current welding jig is after pressing from both sides tight blast pipe, and the end of two blast pipes probably appears not flush, leads to two blast pipes to be misalignment when the welding to take place the dislocation in subsequent welding process, lead to the blast pipe to be influenced the use because of the quality problem after being welded.
It is therefore desirable to develop an automotive exhaust pipe welding device with an automatic adjustment function.
Disclosure of Invention
In order to solve the problem that the tail ends of two exhaust pipes are not aligned after being clamped, the invention provides an automobile exhaust pipe welding device with an automatic adjusting function.
The technical implementation scheme of the invention is as follows: the utility model provides an automobile exhaust pipe welding set with automatically regulated function, includes the workstation, the upside rigid coupling of workstation has the first push rod of symmetric distribution, workstation sliding connection has the support frame of symmetric distribution, the support frame with be adjacent the flexible end rigid coupling of first push rod, the support frame rigid coupling has the rectangle frame, the rectangle frame is provided with evenly distributed's slide bar, same slide bar on the rectangle frame sliding connection has the movable block jointly, the movable block ball has connect the rotor, the rigid coupling has the first elasticity telescopic link of circumference distribution in the rotor, the flexible end rigid coupling of first elasticity telescopic link has the friction block, the workstation rigid coupling has the second push rod, the flexible end rigid coupling of second push rod have with workstation sliding connection's movable frame, the movable frame rigid coupling has the solid fixed ring, the solid fixed ring rotates and is connected with welder, the rotor is provided with the fixed subassembly that is used for fixed blast pipe.
Preferably, the fixed subassembly is including evenly distributed's second elastic telescopic link, evenly distributed the equal rigid coupling of second elastic telescopic link is in adjacent the rotating block, the quantity of second elastic telescopic link with first elastic telescopic link is the same, evenly distributed the second elastic telescopic link respectively with adjacent first elastic telescopic link is linked together through the hose and all is full of hydraulic oil, the fixed part of second elastic telescopic link is connected with the threaded rod through the connecting block rotation, threaded rod threaded connection has the fixed block, the flexible end of second elastic telescopic link with adjacent the fixed block rigid coupling.
Preferably, the device further comprises an extrusion mechanism, the extrusion mechanism is arranged on the movable frame and is used for extruding exhaust pipes which are symmetrically distributed, the extrusion mechanism comprises a fixed rod, the fixed rod is fixedly connected with the movable frame, the fixed rod is slidably connected with a sliding frame, a spring is connected between the sliding frame and the movable frame, the sliding frame is fixedly connected with elastic expansion plates which are symmetrically distributed, the elastic expansion plates which are symmetrically distributed are in limit fit with the movable frame, the elastic expansion plates which are symmetrically distributed are in extrusion fit with the exhaust pipes, and the movable block is fixedly connected with a limit assembly which is used for fixing adjacent rotating blocks.
Preferably, the limiting component comprises a third elastic telescopic rod, the third elastic telescopic rod is fixedly connected to the movable frame, the telescopic end of the third elastic telescopic rod is in extrusion fit with the movable frame, a fourth elastic telescopic rod which is symmetrically distributed is fixedly connected to the movable block, pits which are uniformly distributed are formed in the outer side of the movable block and are in extrusion fit with the telescopic ends of the fourth elastic telescopic rod, the telescopic ends of the fourth elastic telescopic rod are in sliding connection with the adjacent movable block, and the fixed parts of the fourth elastic telescopic rod are communicated with the fixed parts of the third elastic telescopic rod through hoses and are filled with hydraulic oil.
Preferably, the movable frame is provided with rectangular through holes which are symmetrically distributed, the width of each through hole is smaller than the thickness of the elastic expansion plate extending out of the telescopic part, and the width of each through hole is larger than the thickness of the elastic expansion plate after the elastic expansion plate is retracted out of the telescopic part.
Preferably, the device further comprises a positioning mechanism, the positioning mechanism is arranged on the movable frame, the positioning mechanism is used for correcting the position of the exhaust pipe before welding, the positioning mechanism comprises symmetrically distributed squeeze plates, the symmetrically distributed squeeze plates are fixedly connected to the movable frame, the movable frame is fixedly connected with symmetrically distributed limiting blocks, the squeeze plates and the limiting blocks are in extrusion fit with the exhaust pipe, the sliding rods are in sliding connection with the adjacent rectangular frames, circumferentially distributed elastic pieces are connected between the movable blocks and the adjacent rectangular frames, the elastic pieces are in sliding connection with the adjacent sliding rods, and the rectangular frames are provided with fixing mechanisms for fixing the adjacent movable blocks.
Preferably, the extruding plate and the limiting block are both arranged as trapezoid blocks, two waists of each trapezoid block are respectively in extrusion fit with the adjacent exhaust pipes, and the distance between the nearest parts of the extruding plate and the distance between the nearest parts of the limiting block are symmetrically distributed and equal to the diameter of the exhaust pipes.
Preferably, the fixing mechanism comprises a cylindrical shell, the cylindrical shell is fixedly connected to the adjacent rectangular frame, a sliding rod is slidably connected to the cylindrical shell, a rectangular sliding block is fixedly connected to the lower end of the sliding rod, the rectangular sliding block is slidably connected to the adjacent cylindrical shell, a spring is connected between the rectangular sliding block and the adjacent cylindrical shell, a fifth elastic telescopic rod which is symmetrically distributed is fixedly connected to the rectangular frame, the fifth elastic telescopic rod which is symmetrically distributed is located on two adjacent side surfaces, the fifth elastic telescopic rod is communicated with the adjacent cylindrical shell through a hose and is fully filled with hydraulic oil, an extrusion block is fixedly connected to the telescopic end of the fifth elastic telescopic rod, the extrusion block is in limiting fit with the adjacent sliding rod, a fixing frame is fixedly connected to the cylindrical shell, a clamping block is slidably connected to the adjacent cylindrical shell, a spring is connected between the clamping block and the adjacent fixing frame, and a transmission component used for detecting the position of an exhaust pipe is arranged between the clamping blocks which are symmetrically distributed.
Preferably, the transmission assembly comprises a corrugated pipe, the corrugated pipe is fixedly connected between the limit blocks which are symmetrically distributed through a connecting plate, the two ends of the corrugated pipe are fixedly connected with stop blocks, the corrugated pipe is fixedly connected with a cylindrical pipe through a connecting plate, the cylindrical pipe is slidably connected with symmetrically distributed piston blocks, springs are connected between the symmetrically distributed piston blocks, the piston blocks are in extrusion fit with the adjacent stop blocks, sixth elastic telescopic rods are fixedly connected with cylindrical shells which are symmetrically distributed, fixing parts of the sixth elastic telescopic rods are communicated with the cylindrical pipe through hoses and are fully filled with hydraulic oil, the telescopic ends of the sixth elastic telescopic rods are fixedly connected with first push blocks, and second push blocks are fixedly connected with the second push blocks and are in extrusion fit with the adjacent first push blocks.
Preferably, the distance between the opposite sides of the symmetrically distributed piston blocks is equal to the length of the shorter bottom edge of the limiting block.
Compared with the prior art, the invention has the following advantages: according to the invention, the friction blocks are used for fixing the exhaust pipes and then the rotating blocks are twisted, so that the adjacent exhaust pipes are driven to rotate, and the positions of the exhaust pipes are adjusted, so that the welding positions of the two exhaust pipes to be welded are butted together.
According to the invention, the welding port of the exhaust pipe is extruded by the telescopic end of the elastic telescopic plate, so that the exhaust pipe rotates, and the welding port of the exhaust pipe is positioned on a vertical plane, thereby being convenient for alignment during welding.
According to the invention, the positions of the exhaust pipes are limited by the symmetrically distributed extrusion plates and the limiting blocks, and the alignment of the symmetrically distributed exhaust pipes is assisted, so that the butt joint of the welding surfaces of the two symmetrically distributed exhaust pipes is more convenient.
According to the invention, the piston blocks are extruded by the stop blocks, and the adjacent slide bars are fixed by the transmission extrusion blocks, so that the exhaust pipes to be welded are locked in position after being aligned, and the two exhaust pipes to be welded are better attached together, thereby improving the welding quality.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of the exhaust pipe, the workbench and the first push rod of the invention;
FIG. 3 is a schematic perspective view of a workbench, an exhaust pipe and a first push rod according to the invention;
FIG. 4 is a schematic perspective view of the slide bar, the moving block and the rotating block of the present invention;
FIG. 5 is a schematic perspective view of a rectangular frame, slide bars and a rotating block according to the present invention;
FIG. 6 is a schematic perspective cutaway view of a turning block, friction block and threaded rod of the present invention;
FIG. 7 is a schematic perspective view of the slide bar, rectangular frame and moving frame of the present invention;
FIG. 8 is a perspective view of the rectangular frame, the moving frame and the elastic expansion plate of the present invention;
FIG. 9 is a schematic perspective view of a mobile frame, an elastic expansion plate and a sliding frame according to the present invention;
FIG. 10 is a schematic perspective view of the extrusion plate, the moving frame and the exhaust pipe of the present invention;
FIG. 11 is a schematic perspective view of a stopper, an extrusion plate and a bellows according to the present invention;
FIG. 12 is a perspective view in section of the cylindrical shell, slide bar and extrusion block of the present invention;
fig. 13 is a schematic perspective view of the cylindrical shell, the sliding rod and the first push block of the present invention.
The marks of the components in the drawings are as follows: 1-workbench, 2-first push rod, 3-support frame, 4-rectangular frame, 5-slide bar, 6-movable block, 7-rotary block, 8-first elastic telescopic rod, 9-friction block, 11-second push rod, 12-movable frame, 13-fixed ring, 14-welding gun, 21-second elastic telescopic rod, 22-threaded rod, 23-fixed block, 31-fixed rod, 32-movable frame, 33-elastic telescopic plate, 41-third elastic telescopic rod, 42-fourth elastic telescopic rod, 51-extrusion plate, 52-limit block, 53-elastic piece, 61-cylindrical shell, 62-sliding rod, 63-fifth elastic telescopic rod, 64-extrusion block, 65-fixed frame, 66-fixture block, 71-bellows, 72-stopper, 73-cylindrical tube, 74-piston block, 75-sixth elastic telescopic rod, 76-first push block, 77-second push block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment 1 an automobile exhaust pipe welding device with automatic adjusting function, as shown in figures 1-4, the automobile exhaust pipe welding device comprises a workbench 1, wherein two first push rods 2 distributed symmetrically left and right are fixedly connected to the upper side of the workbench 1, two supporting frames 3 distributed symmetrically are fixedly connected to the telescopic ends of the supporting frames 3 and adjacent first push rods 2 in a sliding mode, a rectangular frame 4 is fixedly connected to the upper side of the supporting frames 3, four sliding rods 5 distributed uniformly are arranged in the rectangular frame 4, moving blocks 6 are connected to the four sliding rods 5 on the same rectangular frame 4 in a sliding mode, rotating blocks 7 are connected to the inner portions of the moving blocks 6 in a ball mode, so that the rotating blocks 7 can rotate freely relative to the moving blocks 6, three first elastic telescopic rods 8 distributed circumferentially are fixedly connected to the rotating blocks 7, friction blocks 9 distributed circumferentially are fixedly connected to the telescopic ends of the three first elastic telescopic rods 8, exhaust pipes required to be welded are clamped together in a moving mode in opposite directions, second push rods 11 are fixedly connected to the upper sides of the front portions of the supporting frames 1, four sliding ends of the second push rods 11 are fixedly connected to the telescopic ends of the second push rods 12 which are fixedly connected to the workbench 1, annular sliding frames 12 are connected to the moving frames 12 in a sliding mode, annular welding guns 13 are fixedly connected to annular welding guns 13, and annular welding guns are fixedly connected to annular welding guns 13 are fixedly arranged in the annular welding guns are fixedly connected to annular welding guns 13, and rotating fixedly and fixedly connected to annular welding gun annular welding rods are fixedly connected to annular welding rods 13 are arranged inside annular welding rods and fixedly arranged inside annular welding rods 13.
As shown in fig. 5 and 6, the fixing component includes three second elastic telescopic rods 21 that are uniformly distributed, the three second elastic telescopic rods 21 that are uniformly distributed are fixedly connected to the adjacent rotating blocks 7, the number of the second elastic telescopic rods 21 is the same as that of the first elastic telescopic rods 8, the second elastic telescopic rods 21 that are uniformly distributed are respectively communicated with the adjacent first elastic telescopic rods 8 through hoses and are all full of hydraulic oil, so that the telescopic ends of the second elastic telescopic rods 21 are pushed to extend out of the telescopic ends through the first elastic telescopic rods 8 that are adjacent through hydraulic transmission, the fixing portions of the second elastic telescopic rods 21 are rotationally connected with threaded rods 22 through connecting blocks, the threaded rods 22 are in threaded connection with fixing blocks 23, and the telescopic ends of the second elastic telescopic rods 21 are fixedly connected with the adjacent fixing blocks 23, so that the threaded rods 22 can simultaneously push the telescopic ends of the three second elastic telescopic rods 21 to synchronously move through the adjacent fixing blocks 23.
Before the automobile exhaust pipe is welded, the worker passes two exhaust pipes through the adjacent rotating blocks 7 respectively, then the threaded rods 22 which are symmetrically distributed by the rotation of the worker, the threaded rods 22 rotate to push the fixed blocks 23 to move towards the direction close to the friction blocks 9, the fixed blocks 23 move to push the telescopic ends of the adjacent second elastic telescopic rods 21 to retract, hydraulic oil in the fixed parts of the telescopic ends of the second elastic telescopic rods 21 retract is pushed into the connected first elastic telescopic rods 8 through adjacent hoses respectively, the second elastic telescopic rods 21 stretch out of the telescopic ends through the first elastic telescopic rods 8, the telescopic ends of the first elastic telescopic rods 8 push the adjacent friction blocks 9 to move, the circumferentially distributed friction blocks 9 on the same rotating block 7 are mutually close to jointly extrude and fix the adjacent exhaust pipes, and accordingly the exhaust pipes are fixed.
After the exhaust pipe is fixed, the staff can twist the rotating block 7, the rotating block 7 drives the adjacent exhaust pipes to rotate through the adjacent first elastic telescopic rods 8 and the friction blocks 9, the adjacent rotating blocks 7 are driven to move through the adjacent rectangular frames 4, the adjacent sliding rods 5 and the adjacent moving blocks 6, the second push rods 11 are started to retract the telescopic ends, the adjacent moving frames 12 are driven to move forwards by the telescopic ends of the second push rods 11, the adjacent fixed rings 13 and welding guns 14 are driven to move forwards until the circle centers of the fixed rings 13 are positioned on the axes of the two exhaust pipes to be welded, at the moment, the staff closes the second push rods 11 and simultaneously starts the symmetrically distributed first push rods 2 to stretch out of the telescopic ends, the telescopic ends of the first push rods 2 push the adjacent support frames 3 to move, the adjacent rotating blocks 7 are driven to move through the adjacent rectangular frames 4, the adjacent sliding rods 5 and the adjacent moving blocks 6, the adjacent exhaust pipes are driven to move through the adjacent exhaust pipes by the adjacent first elastic telescopic rods 8 and the friction blocks 9, the symmetrically distributed exhaust pipes move forwards until the two exhaust pipes are contacted mutually, at the moment, the two symmetrically distributed first push rods 2 are closed by the staff, the symmetrically distributed first push rods 14 are positioned on the circle centers of the two exhaust pipes to be in contact mutually, the welding guns are positioned on the two exhaust pipes to be welded together, and the welding guns are required to be welded, and the welding guns are welded together, and the welding guns are required to be welded, and the welding positions are adjusted to be in the welding positions are required to be in the butt joint, and the welding positions are adjusted to be in the position to be in the welding position, and the welding positions are welded together.
After the welding is finished, a worker closes the welding gun 14, then the worker reversely rotates the symmetrically distributed threaded rods 22, the threaded rods 22 rotate to drive the adjacent fixed blocks 23 to move away from the direction of the adjacent first elastic telescopic rods 8, the fixed blocks 23 move to drive the adjacent second elastic telescopic rods 21 to extend out of the telescopic ends, the second elastic telescopic rods 21 extend out of the telescopic ends, the first elastic telescopic rods 8 connected through hydraulic transmission retract the telescopic ends, the telescopic ends of the first elastic telescopic rods 8 drive the adjacent friction blocks 9 to move, the friction blocks 9 move to relieve the fixation of the adjacent exhaust pipes, after the symmetrically distributed friction blocks 9 are all relieved from the fixation of the exhaust pipes, the worker takes out the exhaust pipes after the welding is finished, and then the symmetrically distributed first push rods 2 are started to retract the telescopic ends to reset, so that the welding of the exhaust pipes is finished.
Example 2: on the basis of embodiment 1, as shown in fig. 7-9, the extruding machine is configured in movable frame 12, the extruding machine is used for extruding the exhaust pipe of symmetrical distribution, the extruding machine is including dead lever 31, dead lever 31 rigid coupling is in the inside of movable frame 12, dead lever 31 sliding connection has carriage 32, be connected with the spring between carriage 32's the upside and the movable frame 12, the spring is used for promoting carriage 32 removal, the both ends all rigid couplings have elastic expansion plate 33 about carriage 32, the flexible end of two elastic expansion plate 33 all is located the opposite side, the movable frame 12 has seted up the rectangular through-hole of symmetrical distribution, the width of through-hole is less than the thickness of the flexible portion of elastic expansion plate 33 stretching out, the thickness after the flexible portion of elastic expansion plate 33 is drawn back by movable frame 12 in the spacing, the width of through-hole is greater than the thickness after making the flexible end of elastic expansion plate 33 shrink can be through the rectangular through-hole on movable frame 12 down movement, the elastic expansion plate 33 of symmetrical distribution and the spacing cooperation with movable frame 12, the flexible expansion plate 33 of side and the movable frame 12, the adjacent flexible expansion plate 33 and the movable frame 33 stretch out of the movable frame 6 are used for limiting the adjacent flexible expansion plate 33 to the movable block of the adjacent movable frame 6 when the flexible expansion plate 33 stretches out, the movable frame is stretched out and the adjacent to the movable frame 6 has the flexible expansion plate of the extrusion assembly of symmetrical expansion plate for the extrusion, the adjacent expansion plate is used for extruding the movable assembly.
As shown in fig. 7 and 8, the limiting component includes a third elastic telescopic rod 41, the third elastic telescopic rod 41 is fixedly connected to the upper side of the lower portion of the moving frame 12, the telescopic end of the third elastic telescopic rod 41 is in press fit with the sliding frame 32, the sliding frame 32 moves downwards to press the third elastic telescopic rod 41 to retract the telescopic end, two fourth elastic telescopic rods 42 which are symmetrically distributed around are fixedly connected to the lower side of the moving block 6, pits which are uniformly distributed are arranged on the outer side of the rotating block 7 and are in press fit with the telescopic ends of the adjacent fourth elastic telescopic rods 42, so that the adjacent fourth elastic telescopic rods 42 extend upwards to the telescopic ends, the telescopic ends move into the pits of the rotating block 7, rotation of the rotating block 7 is limited, the telescopic ends of the fourth elastic telescopic rods 42 are in slide connection with the adjacent moving block 6, and the fixed parts of the fourth elastic telescopic rods 42 are communicated with the fixed parts of the third elastic telescopic rods 41 through hoses and are all full of hydraulic oil.
After the exhaust pipe is fixed by the friction block 9, the first push rods 2 which are symmetrically distributed are started by workers, the telescopic ends of the first push rods 2 which are symmetrically distributed extend out to push the adjacent support frames 3 to move, the support frames 3 drive the adjacent rotating blocks 7 to move by driving the adjacent rectangular frames 4, the adjacent slide bars 5 and the adjacent moving blocks 6, and the rotating blocks 7 drive the exhaust pipe to move by the adjacent first elastic telescopic rods 8 and the adjacent friction blocks 9, and the exhaust pipe moves to be in contact with the telescopic parts of the elastic telescopic plates 33.
When the exhaust pipe is in contact with the adjacent elastic expansion plate 33, when the incision part of the exhaust pipe to be welded is inclined without being on a vertical plane, a part of the exhaust pipe, which is close to the elastic expansion plate 33, is moved to be in contact with the elastic expansion plate 33, at the moment, the exhaust pipe continuously moves, because the exhaust pipe is inclined and is close to one side of the adjacent elastic expansion plate 33 and is not attached to the adjacent elastic expansion plate 33, the exhaust pipe continuously moves and is extruded by the adjacent elastic expansion plate 33 to rotate, the exhaust pipe drives the adjacent rotating block 7 to rotate through the adjacent friction block 9 and the adjacent first elastic expansion rod 8 until the exhaust pipe rotates to be close to one end of the adjacent elastic expansion plate 33, and is attached to the adjacent elastic expansion plate 33, at the moment, the welding port of the exhaust pipe is on the vertical plane, and the welding port of the exhaust pipe is extruded through the telescopic end of the elastic expansion plate 33 before welding, so that the welding port of the exhaust pipe is in the vertical plane, and is aligned during welding conveniently.
After the welding port of the exhaust pipe is attached to the adjacent elastic expansion plates 33, the first push rod 2 continues to extend out of the telescopic ends to drive the adjacent exhaust pipe to move, the exhaust pipe continues to move and squeeze the telescopic ends of the adjacent elastic expansion plates 33, the elastic expansion plates 33 retract the telescopic ends, when the two symmetrically distributed elastic expansion plates 33 retract the telescopic ends, springs between the sliding frame 32 and the moving frame 12 are initially in a compressed state, springs between the sliding frame 32 and the moving frame 12 are reset, the sliding frame 32 is pushed to move downwards, the sliding frame 32 drives the fixing parts of the two symmetrically distributed elastic expansion plates 33 to move downwards, the elastic expansion plates 33 move downwards through rectangular through holes on the moving frame 12, the sliding frame 32 moves downwards to squeeze the telescopic ends of the third elastic expansion rods 41, the telescopic ends of the third elastic expansion rods 41 are compressed to extend out of the telescopic ends through hydraulic transmission fourth elastic expansion rods 42, the telescopic ends of the fourth elastic expansion rods 42 move upwards to be in contact with the rotating block 7, the telescopic ends of the two fourth elastic expansion rods 42 on the same rectangular frame 4 are jointly matched with the rotating block 7 in a compressed mode, the rotating block 7 is pushed to push the sliding block 32 downwards, and then the position of the adjacent exhaust pipe is not adjusted to enable the adjacent exhaust pipe to be well after the adjacent exhaust pipe is adjusted to move downwards, and the position of the adjacent exhaust pipe is adjusted to be well, and the exhaust pipe is not welded to be welded to the adjacent exhaust pipe.
After the rotating blocks 7 which are symmetrically distributed are fixed, at the moment, the staff starts the first push rods 2 which are symmetrically distributed to retract the telescopic ends, the telescopic ends of the first push rods 2 drive the adjacent exhaust pipes to move, after the exhaust pipes move to leave the moving frame 12, the staff closes the first push rods 2 which are symmetrically distributed, and finally, the staff starts the second push rods 11 to weld the exhaust pipes.
After the welding is completed, the worker pushes the sliding frame 32 upwards, the sliding frame 32 pushes the fixing parts of the symmetrically distributed elastic expansion plates 33 to move upwards, when the elastic expansion plates 33 move upwards out of the rectangular through holes of the moving frame 12, the moving frame 12 releases the limit of the expansion ends of the adjacent elastic expansion plates 33, the expansion ends of the elastic expansion plates 33 are reset, the elastic expansion plates 33 are limited by the moving frame 12 again, the sliding frame 32 moves upwards to compress the spring between the elastic expansion plates and the moving frame 12, the sliding frame 32 moves upwards to release the extrusion of the third elastic expansion rod 41, the expansion ends of the third elastic expansion rod 41 reset the expansion ends of the fourth elastic expansion rods 42, and the expansion ends of the fourth elastic expansion rods 42 reset to release the fixing of the adjacent rotating blocks 7.
Example 3: on the basis of embodiment 2, as shown in fig. 10 and 11, the device further comprises a positioning mechanism, the positioning mechanism is arranged on the movable frame 12, the positioning mechanism is used for correcting the position of the exhaust pipe before welding, the positioning mechanism comprises two extrusion plates 51 which are symmetrically distributed around, the two extrusion plates 51 which are symmetrically distributed are fixedly connected to the inner side of the upper part of the movable frame 12, the two extrusion plates 51 which are symmetrically distributed around extrude the exhaust pipe together, the exhaust pipe is enabled to move towards the middle of the two extrusion plates 51, the front and rear positions of the two exhaust pipes are aligned, two limiting blocks 52 which are symmetrically distributed around are fixedly connected to the upper part of the movable frame 12, the extrusion plates 51 and the limiting blocks 52 are all arranged to be trapezoid blocks, two waists of each trapezoid block are respectively in extrusion fit with the adjacent exhaust pipes, when the exhaust pipe moves, the extrusion plates 51 or the waists of the limiting blocks 52 are extruded by the extrusion plates 51, the waist of the exhaust pipe in the vertical or front and rear directions, the distance between the nearest parts of the extrusion plates 51 and the nearest parts of the extrusion plates 52 are equal to the diameter of the exhaust pipe, the extrusion plates 51 are enabled to move towards the middle of the two extrusion plates 51, the two adjacent limiting blocks 52 are enabled to move towards the middle, the two adjacent rectangular blocks are enabled to move along the rectangular blocks 4, the adjacent sliding parts are required to be welded with the adjacent sliding blocks 4, the adjacent sliding parts are arranged to be connected with the adjacent sliding blocks 4, and the adjacent sliding frames 4 are welded with the adjacent sliding frames 4, and the adjacent sliding parts 4 are welded with the adjacent sliding parts 4, and the adjacent sliding parts 4 are arranged to the adjacent sliding frames 4, and can be welded 4, and the adjacent sliding parts are connected with the adjacent sliding frames and have the adjacent sliding rods and can be welded 4.
As shown in fig. 10 to 13, the fixing mechanism comprises a cylindrical shell 61, the cylindrical shell 61 is fixedly connected to the front side of the adjacent rectangular frame 4, a sliding rod 62 is slidably connected inside the cylindrical shell 61, the lower end of the sliding rod 62 is fixedly connected with a rectangular sliding block, the side length of the rectangular sliding block is equal to the side length inside the cylindrical shell 61, the rectangular sliding block is slidably connected with the adjacent cylindrical shell 61, a spring is connected between the rectangular sliding block and the adjacent cylindrical shell 61 and used for pushing the rectangular sliding block at the lower part of the adjacent sliding rod 62 to move, fifth elastic telescopic rods 63 are fixedly connected at the upper side and the front side of the rectangular frame 4, the symmetrically distributed fifth elastic telescopic rods 63 are positioned at two adjacent side surfaces, the fifth elastic telescopic rods 63 are communicated with the adjacent cylindrical shell 61 through hoses and are filled with hydraulic oil, so that the movement of the sliding rod 62 can push the hydraulic oil in the adjacent cylindrical shell 61, the adjacent to two fifth elastic telescopic rods 63 extend out of the telescopic ends through hydraulic transmission, the telescopic ends of the fifth elastic telescopic rods 63 are fixedly connected with extrusion blocks 64, the extrusion blocks 64 are in limit fit with adjacent sliding rods 5, the telescopic ends of the fifth elastic telescopic rods 63 extend out of the telescopic ends and can push the adjacent extrusion blocks 64 to move, the extrusion blocks 64 move to extrude the adjacent sliding rods 5, the sliding rods 5 are limited by friction of the adjacent extrusion blocks 64 after being extruded so as not to move any more, the front side of the cylindrical shell 61 is fixedly connected with a fixing frame 65, the fixing frame 65 is slidably connected with a clamping block 66, the clamping block 66 is slidably connected with the adjacent cylindrical shell 61, a spring is connected between the clamping block 66 and the adjacent fixing frame 65 and is used for resetting the adjacent clamping block 66, the clamping block 66 is in limit fit with a rectangular sliding block at the lower end of the adjacent sliding rod 62, when the clamping block 66 extends into the adjacent cylindrical shell 61, the rectangular sliding block at the lower part of the adjacent sliding rod 62 can be limited, thereby limiting downward movement of the adjacent slide bars 62, and transmission assemblies for detecting the position of the exhaust pipe are arranged between the symmetrically distributed limiting blocks 52.
As shown in fig. 10-13, the transmission assembly includes a bellows 71, the bellows 71 is fixedly connected between symmetrically distributed limiting blocks 52 through a connecting plate, two ends of the bellows 71 are fixedly connected with a stop block 72, the bellows 71 is fixedly connected with a cylindrical pipe 73 through a connecting plate, two piston blocks 74 symmetrically distributed left and right are slidably connected inside the cylindrical pipe 73, springs are connected between the symmetrically distributed piston blocks 74 and used for resetting the adjacent two piston blocks 74, the piston blocks 74 are in extrusion fit with the adjacent stop blocks 72, the exhaust pipe moving extrusion stop block 72 can compress the bellows 71, the distance between opposite sides of the symmetrically distributed piston blocks 74 is equal to the length of the shorter bottom edge of the limiting block 52, so that after the two exhaust pipes are extruded and aligned by the extrusion plate 51 and the limiting block 52, the two exhaust pipes can be in contact with the adjacent piston blocks 74, the front sides of the symmetrically distributed cylindrical shells 61 are fixedly connected with sixth elastic telescopic rods 75, the fixed parts of the symmetrically distributed six elastic telescopic rods 75 are communicated with the cylindrical pipe 73 through hoses and are full of hydraulic oil, the first pushing blocks 76 are fixedly connected with the second pushing blocks 76, and the second pushing blocks 76 can be matched with the second pushing blocks 77, and the second pushing blocks 76 can be pushed and the second pushing blocks 77 can be pushed and extruded and expanded and contracted.
After the fixing parts of the two elastic expansion plates 33 move downwards, the first push rod 2 continues to extend out of the expansion ends to drive the adjacent exhaust pipes to move, the exhaust pipes which are symmetrically distributed are close to each other, when the positions of the exhaust pipes deviate in the horizontal direction, the inclined exhaust pipes move to be contacted with the extrusion plates 51, the extrusion plates 51 extrude the exhaust pipes to move towards the middle, the exhaust pipes move to drive the adjacent moving blocks 6 to move through the adjacent friction blocks 9, the adjacent first elastic expansion rods 8 and the adjacent rotating blocks 7, the moving blocks 6 move to drive the sliding rods 5 on the front side and the rear side to move forwards and backwards, the moving blocks 6 extrude or stretch the elastic pieces 53 on the front side and the rear side of the moving blocks, and the front and the rear positions of the exhaust pipes are limited through the symmetrically distributed extrusion plates 51, so that the front and the rear positions of the symmetrically distributed exhaust pipes are aligned, and the welding surfaces of the two exhaust pipes which are more convenient to be in butt joint together.
In the process of pressing the exhaust pipe by the pressing plate 51, the exhaust pipe moves to contact with the adjacent stopper 72, and the exhaust pipe pushes the adjacent stopper 72 to move to press the bellows 71, and the bellows 71 is compressed after being pressed.
In the exhaust pipe moving process, the exhaust pipe continues to move to be in contact with the limiting blocks 52 which are vertically and symmetrically distributed, the limiting blocks 52 squeeze the exhaust pipe which is in contact with the limiting blocks to move towards the middle, the exhaust pipe drives the adjacent moving block 6 to move, and the moving block 6 moves to squeeze or stretch the elastic pieces 53 on the upper side and the lower side of the moving block, so that the upper position and the lower position of the two exhaust pipes which are symmetrically distributed are also butted together.
In the above exhaust pipe moving process, after the exhaust pipe is aligned by the extrusion of the symmetrically distributed limiting blocks 52, the exhaust pipe pushes the adjacent limiting blocks 72 to move again, so that the limiting blocks 72 are contacted with the piston blocks 74, the adjacent piston blocks 74 are extruded by the limiting blocks 72 to move towards the inside of the cylindrical pipe 73, springs between the two adjacent piston blocks 74 are oppositely moved and extruded, the symmetrically distributed piston blocks 74 move towards the inside of the cylindrical pipe 73, the telescopic ends extend out of the telescopic ends through the hydraulic transmission of the sixth elastic telescopic rods 75, the telescopic ends of the sixth elastic telescopic rods 75 drive the adjacent first pushing blocks 76 to move, the first pushing blocks 76 move and extrude the adjacent second pushing blocks 77 to move forwards, the second pushing blocks 77 drive the adjacent clamping blocks 66 to move forwards, the clamping blocks 66 move forwards to extrude springs between the adjacent clamping blocks and the adjacent fixing frames 65, the springs between the adjacent sliding blocks 62 are released, the springs between the sliding blocks 62 and the adjacent sliding blocks are initially in a compressed state, the sliding rods 62 move downwards and compress hydraulic oil on the lower sides of the sliding blocks, the sliding rods 62 move through the hydraulic transmission of the fifth elastic telescopic rods 63, the telescopic ends of the fifth elastic telescopic rods 63 stretch out of the adjacent sliding blocks 63 drive the adjacent sliding blocks 64 to move, the adjacent sliding blocks 64 need to be extruded by the adjacent sliding blocks 64 to be better, and the adjacent sliding blocks 64 need to be extruded by the adjacent sliding blocks 64 are required to be welded, and the adjacent sliding blocks 64 need to be welded, the adjacent sliding blocks are required to be extruded and the adjacent sliding blocks 64 are welded, and the adjacent sliding blocks are required to be welded and are welded, and then adjacent to be matched with the adjacent to be welded, and welded and matched with the adjacent sliding blocks and have the adjacent sliding blocks and matched to be matched with the adjacent sliding blocks and have a position and have a structure to be matched with and matched with the adjacent sliding blocks to be matched with to be matched.
After the position of the exhaust pipe is fixed, the worker starts the first push rod 2 to move reversely, the first push rod 2 drives the adjacent exhaust pipe to move through transmission, the exhaust pipe moves to enable the exhaust pipe not to be extruded by the symmetrically distributed extrusion plate 51 and the symmetrically distributed limiting block 52 any more, extrusion of the adjacent limiting block 72 is relieved when the exhaust pipe moves, the corrugated pipe 71 resets to push the limiting block 72 to reset, the limiting block 72 moves to relieve extrusion of the piston block 74, springs between the symmetrically distributed piston blocks 74 reset to push the symmetrically distributed piston block 74 to reset, the piston block 74 resets through the flexible end of the sixth flexible telescopic rod 75 in a hydraulic transmission mode, the flexible end of the sixth flexible telescopic rod 75 drives the adjacent first push block 76 to reset, the first push block 76 resets to relieve extrusion of the second push block 77, at the moment, the springs between the clamping block 66 and the fixing frame 65 reset to push the adjacent second push block 66 move to reset, the clamping block 66 drives the adjacent second push block 77 to move to reset, the worker starts the second push rod 11 to drive the fixing ring 13 and the welding gun 14 to move forwards to a required welding position, and then starts the two first push rods 2 to weld two exhaust pipes together.
After the welding of the exhaust pipe is completed, the worker pulls the sliding rod 62 upwards, the sliding rod 62 moves upwards to compress the spring between the sliding rod 62 and the adjacent cylindrical shell 61 until the sliding rod 62 moves upwards to be limited by the adjacent clamping block 66 again, the sliding rod 62 moves upwards to retract the telescopic end through the hydraulic transmission of the adjacent fifth elastic telescopic rod 63, the telescopic end of the fifth elastic telescopic rod 63 drives the adjacent extrusion block 64 to move, the extrusion block 64 moves to release the limit of the adjacent sliding rod 5, and after the limit of the sliding rod 5 is released, the elastic piece 53 resets to drive the adjacent moving block 6 to move to reset.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (8)
1. An automobile exhaust pipe welding device with an automatic adjusting function is characterized in that: the welding gun welding machine comprises a workbench (1), wherein a first push rod (2) which is symmetrically distributed is fixedly connected to the upper side of the workbench (1), a support frame (3) which is symmetrically distributed is connected to the workbench (1) in a sliding manner, the support frame (3) is fixedly connected with the telescopic end of the first push rod (2) which is adjacent to the support frame, a rectangular frame (4) is fixedly connected to the support frame (3), the rectangular frames (4) are provided with uniformly distributed slide rods (5), the slide rods (5) on the same rectangular frame (4) are jointly connected with a moving block (6) in a sliding manner, the moving block (6) is in ball joint with a rotating block (7), a first elastic telescopic rod (8) which is circumferentially distributed is fixedly connected to the rotating block (7), a friction block (9) is fixedly connected to the telescopic end of the first elastic telescopic rod (8), a second push rod (11) is fixedly connected to the telescopic end of the workbench (1), a moving frame (12) which is in sliding connection with the workbench (1) is fixedly connected to the telescopic end of the second push rod (11), a fixed ring (13) is fixedly connected to the moving frame (12), and a fixed ring (13) is fixedly connected to a fixed assembly (14), and a fixed assembly of welding gun;
The fixing assembly comprises second elastic telescopic rods (21) which are uniformly distributed, the second elastic telescopic rods (21) which are uniformly distributed are fixedly connected to adjacent rotating blocks (7), the number of the second elastic telescopic rods (21) is the same as that of the first elastic telescopic rods (8), the second elastic telescopic rods (21) which are uniformly distributed are respectively communicated with the adjacent first elastic telescopic rods (8) through hoses and are all full of hydraulic oil, the fixing parts of the second elastic telescopic rods (21) are rotationally connected with threaded rods (22) through connecting blocks, the threaded rods (22) are in threaded connection with the fixed blocks (23), and the telescopic ends of the second elastic telescopic rods (21) are fixedly connected with the adjacent fixed blocks (23);
Still including extrusion mechanism, extrusion mechanism set up in remove frame (12), extrusion mechanism is used for extrudeing the blast pipe of symmetric distribution, extrusion mechanism is including dead lever (31), dead lever (31) rigid coupling in remove frame (12), dead lever (31) sliding connection has carriage (32), carriage (32) with be connected with the spring between removing frame (12), carriage (32) rigid coupling has elastic expansion plate (33) of symmetric distribution, elastic expansion plate (33) of symmetric distribution all with remove frame (12) spacing cooperation, symmetric distribution elastic expansion plate (33) all with blast pipe extrusion cooperation, movable block (6) rigid coupling has the spacing subassembly that is used for fixed adjacent rotating block (7).
2. An automobile exhaust pipe welding apparatus with an automatic adjusting function according to claim 1, characterized in that: the limiting assembly comprises a third elastic telescopic rod (41), the third elastic telescopic rod (41) is fixedly connected to the movable frame (12), the telescopic end of the third elastic telescopic rod (41) is in extrusion fit with the sliding frame (32), a fourth elastic telescopic rod (42) which is symmetrically distributed is fixedly connected to the movable block (6), pits which are uniformly distributed are formed in the outer side of the movable block (7) and are in extrusion fit with the telescopic ends of the adjacent fourth elastic telescopic rod (42), the telescopic ends of the fourth elastic telescopic rod (42) are in sliding connection with the adjacent movable block (6), and the fixed portion of the fourth elastic telescopic rod (42) is communicated with the fixed portion of the third elastic telescopic rod (41) through a hose and is filled with hydraulic oil.
3. An automobile exhaust pipe welding apparatus with an automatic adjusting function according to claim 2, characterized in that: rectangular through holes which are symmetrically distributed are formed in the movable frame (12), the width of each through hole is smaller than the thickness of the elastic expansion plate (33) extending out of the corresponding expansion part, and the width of each through hole is larger than the thickness of the elastic expansion plate (33) after the corresponding expansion part is retracted.
4. A vehicle exhaust pipe welding apparatus having an automatic adjusting function according to claim 3, characterized in that: still including positioning mechanism, positioning mechanism set up in remove frame (12), positioning mechanism is used for carrying out the correction before the welding to the position of blast pipe, positioning mechanism is including symmetrically distributed's stripper plate (51), symmetrically distributed stripper plate (51) all rigid coupling in remove frame (12), remove frame (12) rigid coupling has symmetrically distributed stopper (52), stripper plate (51) with stopper (52) all with blast pipe extrusion cooperation, slide bar (5) with adjacent rectangle frame (4) sliding connection, movable block (6) with adjacent be connected with elastic component (53) of circumference distribution between rectangle frame (4), elastic component (53) with adjacent slide bar (5) sliding connection, rectangle frame (4) are provided with and are used for fixing adjacent fixed establishment of movable block (6).
5. An automobile exhaust pipe welding apparatus with an automatic adjusting function according to claim 4, characterized in that: the extrusion plate (51) and the limiting block (52) are both arranged into trapezoid blocks, two waists of each trapezoid block are respectively in extrusion fit with the adjacent exhaust pipes, and the distance between the nearest positions of the extrusion plate (51) and the distance between the nearest positions of the limiting block (52) which are symmetrically distributed are equal to the diameter of the exhaust pipes.
6. An automobile exhaust pipe welding apparatus with an automatic adjusting function according to claim 4, characterized in that: the fixing mechanism comprises a cylindrical shell (61), the cylindrical shell (61) is fixedly connected to the adjacent rectangular frames (4), the cylindrical shell (61) is connected with a sliding rod (62) in a sliding manner, the lower end of the sliding rod (62) is fixedly connected with a rectangular sliding block, the rectangular sliding block is connected with the adjacent cylindrical shell (61) in a sliding manner, a spring is connected between the rectangular sliding block and the adjacent cylindrical shell (61), the rectangular frames (4) are fixedly connected with fifth elastic telescopic rods (63) which are symmetrically distributed, the fifth elastic telescopic rods (63) are positioned on two adjacent side surfaces, the fifth elastic telescopic rods (63) are communicated with the adjacent cylindrical shells (61) through hoses and are filled with hydraulic oil, the telescopic ends of the fifth elastic telescopic rods (63) are fixedly connected with extrusion blocks (64), the extrusion blocks (64) are in limit fit with the adjacent cylindrical shells (5), the fixing frames (65) are fixedly connected with clamping blocks (66) in a sliding manner, the clamping blocks (66) are connected with the adjacent cylindrical shells (61) in a sliding manner, the lower ends of the adjacent sliding rods (66) are connected with the sliding blocks (66) in a sliding manner, and transmission components for detecting the position of the exhaust pipe are arranged between the limiting blocks (52) which are symmetrically distributed.
7. An automobile exhaust pipe welding apparatus with an automatic adjusting function according to claim 6, characterized in that: the transmission assembly comprises a corrugated pipe (71), the corrugated pipe (71) is fixedly connected between symmetrically distributed limiting blocks (52) through connecting plates, two ends of the corrugated pipe (71) are fixedly connected with stop blocks (72), the corrugated pipe (71) is fixedly connected with a cylindrical pipe (73) through connecting plates, the cylindrical pipe (73) is slidably connected with symmetrically distributed piston blocks (74), springs are connected between the symmetrically distributed piston blocks (74), the piston blocks (74) are in extrusion fit with adjacent stop blocks (72), symmetrically distributed cylindrical shells (61) are fixedly connected with sixth elastic telescopic rods (75), the fixed parts of the symmetrically distributed sixth elastic telescopic rods (75) are communicated with the cylindrical pipe (73) through hoses and are all full of hydraulic oil, the telescopic ends of the sixth elastic telescopic rods (75) are fixedly connected with first pushing blocks (76), and the clamping blocks (66) are fixedly connected with second pushing blocks (77) which are in extrusion fit with adjacent first pushing blocks (76).
8. An automobile exhaust pipe welding apparatus with an automatic adjusting function according to claim 7, characterized in that: the distance between the opposite sides of the symmetrically distributed piston blocks (74) is equal to the length of the shorter bottom edge of the limiting block (52).
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| CN202410244298.4A CN117840620B (en) | 2024-03-04 | 2024-03-04 | Automobile exhaust pipe welding device with automatic adjusting function |
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