CN117697056A - Laser brazing welding device and method applied to automobile oil tank - Google Patents
Laser brazing welding device and method applied to automobile oil tank Download PDFInfo
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- CN117697056A CN117697056A CN202311692560.3A CN202311692560A CN117697056A CN 117697056 A CN117697056 A CN 117697056A CN 202311692560 A CN202311692560 A CN 202311692560A CN 117697056 A CN117697056 A CN 117697056A
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- 238000003466 welding Methods 0.000 title claims abstract description 64
- 238000005219 brazing Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000002828 fuel tank Substances 0.000 claims description 12
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The invention discloses a laser brazing welding device and a method applied to an automobile oil tank, which relate to the technical field of oil tank brazing and have the technical scheme that: including the layer board, the equal fixedly connected with landing leg in layer board bottom both ends, the layer board top is equipped with the sketch plate, but the layer board top still is equipped with the gliding sideslip subassembly of drive sketch plate, and sketch plate top one side fixed mounting has the pneumatic cylinder, and the layer board bottom is equipped with the casing, and the pneumatic cylinder can drive the casing and go up and down, and casing bottom one end is equipped with welder, and the casing bottom other end is equipped with the sleeve, is equipped with positioning mechanism in the sleeve, and a beneficial effect who is applied to the laser brazing welding set and method of car oil tank is: according to the invention, the positioning mechanism is arranged, the wire can be continuously fed during brazing by utilizing the elastic characteristic of the spring, and mechanical clamping structures such as the knob, the clamping plate and the like are adopted, so that the positioning mechanism not only can be used for positioning the wire, but also is simple to operate, does not depend on electronic devices, does not need to be operated by a professional technician, and can effectively reduce the equipment cost.
Description
Technical Field
The invention relates to the technical field of oil tank brazing, in particular to a laser brazing welding device and method applied to an automobile oil tank.
Background
Soldering is one of the earliest material connection methods used by humans, and is a welding method for connecting metals by filling gaps of solid workpieces with liquid solder after the solder and the weldment below the melting point of the weldment are heated to the melting temperature of the solder, so that the welding method is widely applied in industrial production, and the welding of a plurality of automobile fuel tanks adopts a laser soldering technology.
Because brazing filler metal, namely brazing wire, is needed in the brazing process, most of the existing laser brazing machines are provided with automatic wire feeding devices, but the automatic wire feeding devices are mostly dependent on various electronic devices, such as speed controllers, feeders and the like, the structure is complex, the operation of a professional technician is needed, the whole set of machine set is high in price, and the cost is not saved.
Disclosure of Invention
Therefore, the invention provides a laser brazing welding device and a method applied to an automobile oil tank, and solves the problems in the background art by arranging a mechanical positioning mechanism for wire feeding.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a be applied to laser brazing welding set and method of car oil tank, includes the layer board, layer board bottom both ends all fixedly connected with landing leg, layer board top is equipped with the sketch plate, layer board top still is equipped with the sideslip subassembly that can drive the sketch plate and slide, sketch plate top one side fixed mounting has the pneumatic cylinder, layer board bottom is equipped with the casing, the pneumatic cylinder can drive the casing and go up and down, casing bottom one end is equipped with the welder, the casing bottom other end is equipped with the sleeve, be equipped with positioning mechanism in the sleeve, welder and sleeve top all fixedly connected with transfer line, the inside both ends of casing are equipped with the rotatory steering assembly of drive welder and sleeve respectively;
the positioning mechanism comprises a spring, a movable barrel and two clamping plates, the movable barrel is movably sleeved with the sleeve, the movable barrel and the sleeve are in a mode that one end is opened and one end is closed, one end of the spring is fixedly connected with the inner wall of the closed end of the sleeve, the other end of the spring is fixedly connected with the outer wall of the closed end of the sleeve, the two clamping plates are located at one end of the opening of the movable barrel and are symmetrically distributed on two sides of the movable barrel, the movable barrel is internally provided with a bevel gear a, a bevel gear b, a rotating shaft, a partition plate, a threaded rod, a movable block, two connecting plates and two symmetrically arranged pull rods, the partition plate is fixedly connected with the inner wall of the movable barrel, the bevel gear a is meshed with the bevel gear b and is arranged at one side of the partition plate, the middle of the rotating shaft is movably connected with the movable barrel through a bearing, one end of the rotating shaft is fixedly connected with the movable barrel, the other end of the rotating shaft is fixedly connected with the movable barrel through the bearing and the partition plate, one end of the threaded rod is located at one side of the partition plate, the threaded rod penetrates through the middle of the movable block and is in threaded connection with the movable block, the two connecting plates are fixedly connected with the two ends of the two connecting plates, and are fixedly connected with the two connecting plates, and the two connecting plates are fixedly connected with the two ends of the connecting plates are respectively, and the two connecting plates are fixedly connected with the two ends of the connecting plates, and the connecting rod a connecting rod are fixedly connected with the connecting rod a through the connecting rod.
Preferably, the sideslip subassembly includes motor, reciprocating screw and two fixed plates, motor fixed mounting is in layer board top one end, and two fixed plates are fixed connection respectively at layer board top both ends, reciprocating screw both ends are respectively through bearing and two fixed plate swing joint, reciprocating screw one end and motor output shaft fixed connection, reciprocating screw passes through ball screw pair and is connected with the abnormal plate.
Preferably, the top and the side of the supporting plate are provided with sliding grooves with T-shaped cross sections, sliding blocks in sliding fit with the sliding grooves are arranged in the two sliding grooves, and the two sliding blocks are integrally connected with the irregular plate.
Preferably, the through hole is formed in the special-shaped plate, the supporting plate is provided with a long through groove, and the extending end of the hydraulic cylinder sequentially penetrates through the through hole and the long through groove and is fixedly connected with the top of the shell.
Preferably, the steering assembly comprises a worm and a worm wheel, two ends of the worm are movably connected with two sides of the shell through bearings respectively, and one end of the worm extends out of the shell and is fixedly connected with a knob b.
Preferably, the transmission rod is movably connected with the top and the bottom of the shell through two bearings respectively, the worm wheel is coaxial with the transmission rod and is fixedly connected with the middle part of the transmission rod, and the worm wheel is meshed with the worm.
Preferably, a short through groove reaching the opening is formed in one side of the sleeve, a limit groove is formed in the other side of the sleeve, a limit block is fixedly connected to one side of the movable cylinder, and the limit block is in sliding connection with the sleeve through the limit groove.
Preferably, one side of the partition board is also fixedly connected with two straight rods, and the two straight rods respectively penetrate through two ends of the movable block and are in sliding connection with the movable block.
Preferably, the surfaces of the opposite sides of the two clamping plates are provided with anti-skid patterns.
A method for a laser brazing welding device for an automotive fuel tank, comprising the steps of:
s1, firstly checking the state of a brazing operation tool and equipment, fixing an automobile oil tank needing laser brazing operation by means of an external clamp or weight extrusion and the like, and enabling a joint part to face a welding gun direction;
s2, a user can start a hydraulic cylinder, and the extending end of the hydraulic cylinder pushes the shell to translate downwards, so that the welding gun and the sleeve are driven to move downwards simultaneously until the height of a welding gun port is aligned with the joint of the automobile oil tank, and the welding gun port can meet the requirement of brazing operation;
s3, a user can rotate the two knobs b respectively, so that the angles of the welding gun and the sleeve are adjusted respectively, the specific process is that the knob b drives the worm to rotate, the worm drives the worm wheel in meshed connection with the worm to rotate, and the transmission rod coaxially fixed with the worm wheel is driven to rotate, so that the angle of the welding gun or the sleeve is adjusted in a rotating mode;
s4, the user takes out the brazing wire, one end of the brazing wire is propped against a joint seam of an automobile oil tank, the other end of the brazing wire stretches into the space between the two clamping plates, if the brazing wire is longer, the user can stir the limiting block along the limiting groove to drive the movable cylinder to slide in the sleeve and extrude the spring, and the sliding of the movable cylinder enlarges the distance between the movable cylinder and the automobile oil tank, so that the other end of the brazing wire can be accommodated;
s5, a user rotates a knob a to drive a rotating shaft and a bevel gear a at the other end of the rotating shaft to rotate, the bevel gear a drives a bevel gear b which is meshed with the rotating shaft to rotate, and a threaded rod which is fixed with the bevel gear b to rotate, so that a movable block on the threaded rod is pushed to move in parallel along two straight rods towards a direction of a partition plate, two connecting plates can be pulled to move in parallel along the guide rods through two pull rods which are respectively and movably hinged with the rod piece a and the rod piece b, and meanwhile, two clamping plates are respectively pulled to move towards each other until the drill rod is clamped and fastened, and at the moment, the other end of the drill rod is extruded at a joint because a spring is in a stressed state;
s6, a user starts a welding gun, the welding gun sprays laser to melt the brazing wire at the joint of an automobile oil tank, meanwhile, the user starts a motor, an output shaft of the motor drives a reciprocating screw rod to rotate, a special-shaped plate is pushed to translate along the direction of a sliding groove, and accordingly the welding gun and a sleeve are driven to translate.
The embodiment of the invention has the following advantages:
1. according to the invention, the positioning mechanism is arranged, the wire can be continuously fed during brazing by utilizing the elastic characteristic of the spring, and mechanical clamping structures such as the knob, the clamping plate and the like are adopted, so that the positioning mechanism not only can be used for positioning the wire, but also is simple to operate, does not depend on electronic devices, does not need to be operated by a professional technician, and can effectively reduce the equipment cost.
2. According to the invention, the transverse translation, the up-down lifting and the angle adjustment of the welding gun and the sleeve can be effectively realized by arranging the transverse translation assembly, the hydraulic cylinder and the steering assembly, so that the device is high in functionality and flexibility, and has extremely strong practical functions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, proportional changes, or adjustments of size, which do not affect the efficacy of the invention or the objects achieved, should fall within the scope of the invention.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a schematic view of a bottom structure provided by the present invention;
FIG. 3 is a side cross-sectional view of a side structure provided by the present invention;
FIG. 4 is a cross-sectional view of the internal structure of the housing provided by the present invention;
FIG. 5 is a cross-sectional view of the internal structure of the movable barrel provided by the invention;
fig. 6 is an enlarged view of the structure of the portion a in fig. 3 according to the present invention.
In the figure: 1. a supporting plate; 2. a support leg; 3. a shaped plate; 4. a hydraulic cylinder; 5. a housing; 6. a welding gun; 7. a sleeve; 8. a transmission rod; 9. a spring; 10. a movable cylinder; 11. a clamping plate; 12. bevel gear a; 13. bevel gear b; 14. a rotating shaft; 15. a partition plate; 16. a threaded rod; 17. a movable block; 18. a connecting plate; 19. a pull rod; 20. a knob a; 21. a rod piece a; 22. a guide rod; 23. a rod b; 24. a motor; 25. a reciprocating screw rod; 26. a fixing plate; 27. a slide block; 28. a long through groove; 29. a worm; 30. a worm wheel; 31. a knob b; 32. a short through groove; 33. a limiting block; 34. a straight rod.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, 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.
Referring to fig. 1-6, the invention provides a laser brazing welding device and method applied to an automobile oil tank, comprising a supporting plate 1, wherein two ends of the bottom of the supporting plate 1 are fixedly connected with supporting legs 2, the top of the supporting plate 1 is provided with a deformed plate 3, the top of the supporting plate 1 is also provided with a traversing assembly capable of driving the deformed plate 3 to slide, one side of the top of the deformed plate 3 is fixedly provided with a hydraulic cylinder 4, the bottom of the supporting plate 1 is provided with a shell 5, the hydraulic cylinder 4 can drive the shell 5 to lift, one end of the bottom of the shell 5 is provided with a welding gun 6, the other end of the bottom of the shell 5 is provided with a sleeve 7, a positioning mechanism is arranged in the sleeve 7, the welding gun 6 and the top of the sleeve 7 are fixedly connected with transmission rods 8, and two ends inside the shell 5 are respectively provided with steering assemblies for driving the welding gun 6 and the sleeve 7 to rotate;
the positioning mechanism comprises a spring 9, a movable barrel 10 and two clamping plates 11, wherein the movable barrel 10 is movably sleeved with the sleeve 7, the two clamping plates are in a mode that one end is opened and the other end is closed, one end of the spring 9 is fixedly connected with the inner wall of the closed end of the sleeve 7, the other end of the spring 9 is fixedly connected with the outer wall of the closed end of the sleeve 7, the two clamping plates 11 are positioned at the open end of the movable barrel 10 and symmetrically distributed on two sides of the open end, a bevel gear a12, a bevel gear b13, a rotating shaft 14, a partition plate 15, a threaded rod 16, a movable block 17, two connecting plates 18 and two symmetrically arranged pull rods 19 are arranged in the movable barrel 10, the partition plate 15 is fixedly connected with the inner wall of the movable barrel 10, the bevel gear a12 is meshed with the bevel gear b13 and is arranged on one side of the partition plate 15, the middle part of the rotating shaft 14 is movably connected with the movable barrel 10 through a bearing, one end of the rotating shaft 14 extends into the movable barrel 10 and is fixedly connected with the bevel gear a12, the other end of the rotating shaft 14 extends out of the movable barrel 10 and is fixedly connected with a knob a20, the middle part of a threaded rod 16 is movably connected with a baffle 15 through a bearing, one end of the threaded rod 16 is fixedly connected with a bevel gear b13, a movable block 17 is positioned on one side of the baffle 15 far away from the bevel gear a12, the other end of the threaded rod 16 penetrates through the middle part of the movable block 17 and is in threaded connection with the movable block 17, rod pieces a21 are fixedly connected with two ends of the top of the movable block 17, two connecting plates 18 are positioned at the open end of the movable barrel 10 and are respectively fixedly connected with two clamping plates 11, a guide rod 22 is fixedly connected with the inner wall of the open end of the movable barrel 10, the guide rod 22 penetrates through the middle parts of the two connecting plates 18 and is in sliding connection with the two connecting plates 18, rod pieces b23 are fixedly connected with the tops of the two symmetrical pull rods 19 respectively positioned at the tops of the two connecting plates 18, and two ends of the pull rods 19 are respectively movably hinged with the rod pieces a21 and the rod pieces b 23;
in this embodiment, the two transmission rods 8 are different in length and are respectively used for connecting the welding gun 6 and the sleeve 7, but the center points of the welding gun 6 and the sleeve 7 are always kept horizontal.
In order to achieve the purpose of driving the welding gun 6 to translate for brazing, the device is realized by adopting the following technical scheme: the transverse moving assembly comprises a motor 24, a reciprocating screw rod 25 and two fixing plates 26, wherein the motor 24 is fixedly arranged at one end of the top of the supporting plate 1, the two fixing plates 26 are respectively and fixedly connected at two ends of the top of the supporting plate 1, two ends of the reciprocating screw rod 25 are respectively and movably connected with the two fixing plates 26 through bearings, one end of the reciprocating screw rod 25 is fixedly connected with an output shaft of the motor 24, the reciprocating screw rod 25 is connected with the abnormal plate 3 through a ball screw pair, sliding grooves with T-shaped cross sections are formed in the top and the side edges of the supporting plate 1, sliding blocks 27 in sliding fit with the sliding grooves are arranged in the two sliding grooves, the two sliding blocks 27 are integrally connected with the abnormal plate 3, and the sliding blocks 27 slide in the sliding grooves, so that the abnormal plate 3 is limited due to the T-shaped cross sections, and meanwhile, the movement direction of the abnormal plate 3 can not deviate;
in order to achieve the purpose of motion interference prevention, the device is realized by adopting the following technical scheme: the special-shaped plate 3 is provided with a through hole, the supporting plate 1 is provided with a long through groove 28, the extending end of the hydraulic cylinder 4 sequentially passes through the through hole and the long through groove 28 to be fixedly connected with the top of the shell 5, and the through hole and the long through groove 28 are both used for preventing the movement of the hydraulic cylinder 4;
in order to achieve the purpose of steering adjustment, the device is achieved by adopting the following technical scheme: the steering assembly comprises a worm 29 and a worm wheel 30, two ends of the worm 29 are respectively and movably connected with two sides of the shell 5 through bearings, one end of the worm 29 extends out of the shell 5 and is fixedly connected with a knob b31, the transmission rod 8 is respectively and movably connected with the top and the bottom of the shell 5 through two bearings, the worm wheel 30 is coaxial with the transmission rod 8 and is fixedly connected with the middle part of the transmission rod, the worm wheel 30 is meshed with the worm 29, and the worm wheel 30 and the worm 29 have self-locking performance, so that the angle adjustment of the welding gun 6 and the sleeve 7 can be effectively realized;
in order to achieve the limiting purpose, the device is achieved by adopting the following technical scheme: a short through groove 32 which directly reaches the opening is formed in one side of the sleeve 7, the short through groove 32 can prevent the movable barrel 10 from being influenced by a knob when sliding, a limit groove is formed in the other side of the sleeve 7, a limit block 33 is fixedly connected to one side of the movable barrel 10, the limit block 33 is in sliding connection with the sleeve 7 through the limit groove, and the limit groove and the limit block 33 can prevent the movable barrel 10 from sliding out of the sleeve 7;
in order to achieve the purpose of motion guiding, the device is achieved by adopting the following technical scheme: two straight rods 34 are fixedly connected to one side of the partition plate 15, and the two straight rods 34 penetrate through two ends of the movable block 17 respectively and are connected with the movable block 17 in a sliding manner;
in order to achieve the purpose of clamping and fastening, the device is achieved by adopting the following technical scheme: the opposite side surfaces of the two clamping plates 11 are provided with anti-skid patterns.
A method for a laser brazing welding device for an automotive fuel tank, comprising the steps of:
s1, firstly checking the state of a brazing operation tool and equipment, fixing an automobile oil tank needing laser brazing operation by means of an external clamp or weight extrusion and the like, and enabling a joint part to face the direction of a welding gun 6;
s2, a user can start the hydraulic cylinder 4, and the extending end of the hydraulic cylinder 4 pushes the shell 5 to translate downwards, so that the welding gun 6 and the sleeve 7 are driven to move downwards simultaneously until the height of the opening of the welding gun 6 is aligned with the joint of the automobile oil tank, and the welding gun can meet the requirement of brazing operation;
s3, a user can rotate the two knobs b31 respectively, so that the angles of the welding gun 6 and the sleeve 7 are adjusted respectively, and the specific process is that the knob b31 drives the worm 29 to rotate, the worm 29 drives the worm wheel 30 which is meshed with the worm 29 to rotate, so that the transmission rod 8 which is coaxially fixed with the worm wheel 30 is driven to rotate, and the angle of the welding gun 6 or the sleeve 7 is adjusted in a rotating way;
s4, the user takes out the brazing wire, one end of the brazing wire is propped against the joint seam of the automobile oil tank, the other end of the brazing wire stretches into the space between the two clamping plates 11, if the brazing wire is longer, the user can stir the limiting block 33 along the limiting groove to drive the movable cylinder 10 to slide in the sleeve 7 and extrude the spring 9, and the sliding of the movable cylinder 10 enlarges the distance between the movable cylinder 10 and the automobile oil tank, so that the other end of the brazing wire can be accommodated;
s5, a user rotates the knob a20 to drive the rotating shaft 14 and the bevel gear a12 at the other end to rotate, the bevel gear a12 drives the bevel gear b13 meshed with the rotating shaft to rotate, and the threaded rod 16 fixed with the bevel gear b13 rotates, so that the movable block 17 on the threaded rod 16 is pushed to move in parallel along the two straight rods 34 towards the direction of the partition plate 15, and the two connecting plates 18 can be pulled to move in parallel along the guide rods 22 through the two pull rods 19 respectively movably hinged with the rod a21 and the rod b23, and simultaneously the two clamping plates 11 are respectively pulled to move towards each other until the drill rod is clamped and fastened, and at the moment, the other end of the drill rod is extruded at a joint because the spring 9 is in a stressed state;
s6, a user starts the welding gun 6, the welding gun 6 sprays laser to melt the brazing wire at the joint of the automobile oil tank, meanwhile, the user starts the motor 24, the output shaft of the motor 24 drives the reciprocating screw rod 25 to rotate, the irregular plate 3 is pushed to translate along the direction of the sliding groove, so that the welding gun 6 and the sleeve 7 are driven to translate, and the spring 9 is always in a stressed state and has a thrust force on the movable barrel 10, so that even if the brazing wire is continuously melted, the end part of the brazing wire is always extruded and stuck at the joint, and the brazing process is realized.
The above description is of the preferred embodiments of the present invention, and any person skilled in the art may modify the present invention or make modifications to the present invention with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.
Claims (10)
1. The utility model provides a be applied to laser brazing welding set of car oil tank, includes layer board (1), its characterized in that: the welding gun comprises a supporting plate (1), supporting legs (2) are fixedly connected to two ends of the bottom of the supporting plate (1), a special-shaped plate (3) is arranged at the top of the supporting plate (1), a transverse moving assembly capable of driving the special-shaped plate (3) to slide is further arranged at the top of the supporting plate (1), a hydraulic cylinder (4) is fixedly arranged on one side of the top of the special-shaped plate (3), a shell (5) is arranged at the bottom of the supporting plate (1), the hydraulic cylinder (4) can drive the shell (5) to lift, a welding gun (6) is arranged at one end of the bottom of the shell (5), a sleeve (7) is arranged at the other end of the bottom of the shell (5), a positioning mechanism is arranged in the sleeve (7), a transmission rod (8) is fixedly connected to the tops of the welding gun (6) and the sleeve (7), and steering assemblies for driving the welding gun (6) and the sleeve (7) to rotate are respectively arranged at two ends of the inside the shell (5).
The positioning mechanism comprises a spring (9), a movable barrel (10) and two clamping plates (11), wherein the movable barrel (10) is movably sleeved with a sleeve (7) and is in a mode of opening at one end and closing at one end, one end of the spring (9) is fixedly connected with the inner wall of the closed end of the sleeve (7), the other end of the spring (9) is fixedly connected with the outer wall of the closed end of the sleeve (7), the two clamping plates (11) are positioned at one end of the opening of the movable barrel (10) and symmetrically distributed at two sides of the opening, a bevel gear a (12), a bevel gear b (13), a rotating shaft (14), a partition plate (15), a threaded rod (16), a movable block (17), two connecting plates (18) and two symmetrically arranged pull rods (19) are arranged in the movable barrel, the partition plate (15) is fixedly connected with the inner wall of the movable barrel (10), the bevel gear a (12) is meshed with the bevel gear b (13) and is arranged at one side of the partition plate (15), the middle part of the rotating shaft (14) is movably connected with the movable barrel (10) through a bearing, one end of the rotating shaft (14) extends into the movable barrel (10) and is fixedly connected with the rotating shaft (14 a (20), threaded rod (16) middle part is through bearing and baffle (15) swing joint, threaded rod (16) one end and bevel gear b (13) fixed connection, movable block (17) are located one side that bevel gear a (12) was kept away from to baffle (15), threaded rod (16) other end runs through movable block (17) middle part and with movable block (17) threaded connection, equal fixedly connected with member a (21) in movable block (17) top both ends, two connecting plate (18) are located the open end of movable section of thick bamboo (10) and respectively with two splint (11) fixed connection, the open end inner wall of movable section of thick bamboo (10) still fixedly connected with guide arm (22), guide arm (22) run through two connecting plate (18) middle parts and with two connecting plate (18) sliding connection, two equal fixedly connected with member b (23) in connecting plate (18) top, two symmetrical pull rod (19) are located two connecting plate (18) tops respectively, member (19) both ends are articulated with member a (21) and b (23) activity respectively.
2. A laser brazing welding device for an automotive fuel tank according to claim 1, wherein: the transverse moving assembly comprises a motor (24), a reciprocating screw (25) and two fixing plates (26), wherein the motor (24) is fixedly arranged at one end of the top of the supporting plate (1), the two fixing plates (26) are respectively and fixedly connected at two ends of the top of the supporting plate (1), the two ends of the reciprocating screw (25) are respectively and movably connected with the two fixing plates (26) through bearings, one end of the reciprocating screw (25) is fixedly connected with an output shaft of the motor (24), and the reciprocating screw (25) is connected with the abnormal plate (3) through a ball screw pair.
3. A laser brazing welding device for an automotive fuel tank according to claim 1, wherein: the top and the side of layer board (1) have all been seted up the spout that the cross-section is T shape, two all be equipped with in the spout rather than sliding fit's slider (27), two slider (27) are connected with profiled sheeting (3) an organic whole.
4. A laser brazing welding device for an automotive fuel tank according to claim 1, wherein: the special-shaped plate (3) is provided with a through hole, the supporting plate (1) is provided with a long through groove (28), and the extending end of the hydraulic cylinder (4) sequentially penetrates through the through hole and the long through groove (28) and is fixedly connected with the top of the shell (5).
5. A laser brazing welding device for an automotive fuel tank according to claim 1, wherein: the steering assembly comprises a worm (29) and a worm wheel (30), two ends of the worm (29) are respectively movably connected with two sides of the shell (5) through bearings, and one end of the worm (29) extends out of the shell (5) and is fixedly connected with a knob b (31).
6. The laser brazing welding device applied to an automobile fuel tank according to claim 5, wherein: the transmission rod (8) is movably connected with the top and the bottom of the shell (5) through two bearings respectively, the worm wheel (30) is coaxial with the transmission rod (8) and fixedly connected with the middle part of the transmission rod, and the worm wheel (30) is meshed with the worm (29).
7. A laser brazing welding device for an automotive fuel tank according to claim 1, wherein: a short through groove (32) reaching the opening is formed in one side of the sleeve (7), a limit groove is formed in the other side of the sleeve (7), a limit block (33) is fixedly connected to one side of the movable barrel (10), and the limit block (33) is in sliding connection with the sleeve (7) through the limit groove.
8. A laser brazing welding device for an automotive fuel tank according to claim 1, wherein: two straight rods (34) are fixedly connected to one side of the partition plate (15), and the two straight rods (34) penetrate through two ends of the movable block (17) respectively and are in sliding connection with the movable block (17).
9. A laser brazing welding device for an automotive fuel tank according to claim 1, wherein: the surfaces of the opposite sides of the two clamping plates (11) are provided with anti-skid patterns.
10. A laser brazing welding method applied to an automobile fuel tank, used for the welding device as claimed in any one of the preceding claims 1 to 9, characterized in that: the method comprises the following steps:
s1, firstly checking the state of a brazing operation tool and equipment, fixing an automobile oil tank needing laser brazing operation by means of an external clamp or weight extrusion and the like, and enabling a joint part to face a welding gun (6);
s2, a user can start the hydraulic cylinder (4), and the extending end of the hydraulic cylinder (4) pushes the shell (5) to translate downwards, so that the welding gun (6) and the sleeve (7) are driven to move downwards simultaneously until the height of the opening of the welding gun (6) is aligned with the joint of the automobile oil tank, and the welding gun can meet the requirement of brazing operation;
s3, a user can rotate the two knobs b (31) respectively, so that the angles of the welding gun (6) and the sleeve (7) are adjusted respectively, the specific process is that the knob b (31) drives the worm (29) to rotate, the worm (29) drives the worm wheel (30) which is meshed with the worm (29) to rotate, and the transmission rod (8) which is coaxially fixed with the worm wheel (30) is driven to rotate, so that the angle of the welding gun (6) or the sleeve (7) is adjusted in a rotating mode;
s4, taking out the brazing wire by a user, abutting one end of the brazing wire against a joint seam of an automobile oil tank, extending the other end of the brazing wire between two clamping plates (11), and if the brazing wire is longer, the user can toggle a limiting block (33) along a limiting groove to drive a movable cylinder (10) to slide in a sleeve (7) and extrude a spring (9), and the sliding of the movable cylinder (10) enlarges the distance between the movable cylinder and the automobile oil tank so as to accommodate the other end of the brazing wire;
s5, a user rotates a knob a (20) to drive a rotating shaft (14) and a bevel gear a (12) at the other end of the rotating shaft to rotate, the bevel gear a (12) drives a bevel gear b (13) which is meshed with the bevel gear a (12) to rotate, and a threaded rod (16) which is fixed with the bevel gear b (13) rotates, so that a movable block (17) on the threaded rod (16) is pushed to move in parallel along two straight rods (34) towards a partition plate (15), and two connecting plates (18) can be pulled to move in parallel along a guide rod (22) through two pull rods (19) which are respectively and movably hinged with a rod a (21) and a rod b (23), and simultaneously, two clamping plates (11) are respectively pulled to move towards each other until a drill wire is clamped and fastened, and at the moment, the other end of the drill wire is extruded at a joint due to the fact that a spring (9) is in a stressed state;
s6, a user starts the welding gun (6), the welding gun (6) sprays laser to melt the brazing wire at the joint of the automobile oil tank, meanwhile, the user starts the motor (24), the output shaft of the motor (24) drives the reciprocating screw rod (25) to rotate, the abnormal plate (3) is pushed to translate along the direction of the sliding groove, the welding gun (6) and the sleeve (7) are driven to translate, and the spring (9) is always in a stressed state and pushes the movable barrel (10), so that even if the brazing wire is continuously melted, the end part of the brazing wire is always extruded to be stuck at the joint, and the brazing process is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311692560.3A CN117697056A (en) | 2023-12-11 | 2023-12-11 | Laser brazing welding device and method applied to automobile oil tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311692560.3A CN117697056A (en) | 2023-12-11 | 2023-12-11 | Laser brazing welding device and method applied to automobile oil tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117900714A (en) * | 2024-03-19 | 2024-04-19 | 山西继禹工程机械有限公司 | Automatic welding device for inner side of U rib of heavy-duty mining carriage bucket |
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2023
- 2023-12-11 CN CN202311692560.3A patent/CN117697056A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117900714A (en) * | 2024-03-19 | 2024-04-19 | 山西继禹工程机械有限公司 | Automatic welding device for inner side of U rib of heavy-duty mining carriage bucket |
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