CN120421786A - Laser welding auxiliary device for automobile monocular vibration damper - Google Patents
Laser welding auxiliary device for automobile monocular vibration damperInfo
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- CN120421786A CN120421786A CN202510692267.XA CN202510692267A CN120421786A CN 120421786 A CN120421786 A CN 120421786A CN 202510692267 A CN202510692267 A CN 202510692267A CN 120421786 A CN120421786 A CN 120421786A
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Abstract
The invention relates to the technical field of monocular vibration absorbers, in particular to a laser welding auxiliary device for an automobile monocular vibration absorber, which comprises a welding platform, wherein the inner side surface of the welding platform is provided with a forward and reverse adjusting shaft with an adjusting efficiency or precision mode, the top surface of the forward and reverse adjusting shaft is provided with an input laser welding head angular speed welding installation arm, the bottom surface of the forward and reverse adjusting shaft is provided with a continuously variable transmission for adjusting the output angular speed of the welding installation arm, one end of the continuously variable transmission is provided with a driven clamping disc for clamping and adjusting the relative rotating speed by utilizing the rotating speed difference of the welding installation arm, the outer side surface of the driven clamping disc is provided with a radial adjusting part for adjusting the transmission ratio according to the radial dimension, the outer side surface of the driven clamping disc is provided with an adaptive reset part for resetting according to the wall thickness, and the inner side surface of the driven clamping disc is provided with an adaptive reset part for resetting, and the relative rotating angle is adjusted by changing the transmission ratio and steering, so that the rapid and fine welding is realized.
Description
Technical Field
The invention relates to the technical field of monocular vibration absorbers, in particular to a laser welding auxiliary device for an automobile monocular vibration absorber.
Background
Laser welding for monocular vibration dampers is an advanced manufacturing process. The laser welding has the characteristics of high speed, small heat affected zone, high precision and the like. In the manufacture of a monotube shock absorber, it is capable of precisely and firmly welding the components together. The energy is concentrated after the laser beam is focused, so that the shock absorber pipe can be easily penetrated, and firm welding is realized. And the welding process is easy to automatically control, and the production efficiency can be greatly improved. Compared with the traditional welding mode, the laser welding can effectively reduce deformation, ensure the dimensional accuracy and the performance stability of the shock absorber, and has important significance for improving the quality and the service life of the single-cylinder shock absorber.
When the existing welding device is used for completely welding the single-cylinder shock absorber, the welding installation arm can be required to rotate by a large angle. This not only occupies more space, but also for some welding scenarios where space is limited, such as in the case of compact equipment layout on the production line, such a larger radius of rotation can limit the flexibility of use of the equipment, and for the parts requiring precision welding, a greater distance of movement is required to achieve multiple times of precision welding, and it is difficult to obtain a small angle of rotation by manual operation, resulting in difficult use.
In view of this, we propose a laser welding auxiliary device for an automotive monocular shock absorber.
Disclosure of Invention
The invention aims to provide a laser welding auxiliary device for an automobile monocular shock absorber, which solves the problems that the conventional laser welding auxiliary device proposed in the background art is difficult to obtain a small rotation angle by manual operation and needs a large rotation angle. The laser welding auxiliary device for the automobile monocular shock absorber comprises a welding platform, wherein the top surface of the welding platform is fixedly connected with a welding base, the outer side surface of the welding platform is fixedly connected with a side shell, the inner side surface of the welding platform is provided with a forward and reverse adjusting shaft, the top surface of the forward and reverse adjusting shaft is provided with a welding installation arm, the bottom surface of the forward and reverse adjusting shaft is provided with a stepless speed changer, one end of the stepless speed changer is provided with a driven clamping disc, the outer side surface of the driven clamping disc is provided with a radial adjusting piece, the outer side surface of the driven clamping disc is provided with a wall thickness adjusting piece, and the inner side surface of the driven clamping disc is provided with an adaptive resetting piece.
Preferably, the forward and reverse adjusting shaft comprises a control rod, an output gear is fixedly connected to the outer side surface of the control rod, a connecting shaft is fixedly connected to the bottom surface of the control rod, and a turning gear set is slidingly connected to the bottom surface of the connecting shaft;
The number of the output gears is two, the turning gear set consists of two bevel gears meshed with each other, and the inner side surface of the bevel gear at the top is in sliding connection with the connecting shaft.
Preferably, the welding installation arm comprises an active rotating arm, the active rotating arm is rotationally connected with the welding platform, an input gear is fixedly connected to the outer side surface of the active rotating arm, a longitudinal moving shaft is fixedly connected to the other side surface of the active rotating arm, a longitudinal moving block is slidingly connected to the outer side surface of the longitudinal moving shaft, and a welding installation clamp is slidingly connected to the outer side surface of the longitudinal moving block;
The input gear is meshed with the output gear.
Preferably, the continuously variable transmission comprises an input shaft, the input shaft is rotationally connected with the inner side surface of the welding base, a fixed gear is fixedly connected with the outer side surface of the input shaft, a movable gear is meshed with the top surface of the fixed gear, a lifting gear shaft is slidably connected with the inner side surface of the movable gear, one end of the lifting gear shaft is fixedly connected with a universal coupling, the other end of the universal coupling is fixedly connected with a connecting sprocket, and a connecting chain is sleeved on the outer side surface of the connecting sprocket;
one end of the input shaft is fixedly connected with a bevel gear at the middle bottom of the turning gear set, the lifting gear shaft is in sliding connection with the inner side surface of the welding base, and the number of the connecting chain wheels is two and both are in rotary connection with the welding platform.
Preferably, the driven clamping disc comprises a chuck rotating shaft, the chuck rotating shaft is rotationally connected with the welding platform, a chuck base is fixedly connected to the outer side surface of the chuck rotating shaft, a limit groove is formed in the outer side surface of the chuck base, an electric cam is rotationally connected to the outer side surface of the chuck base, four connecting arms distributed in a ring shape are hinged to the outer side surface of the electric cam, a movable clamping jaw is hinged to the other end of the connecting arm, and a chuck end cover is fixedly connected to the outer side surface of the chuck base;
The chuck rotating shaft is fixedly connected with the connecting sprocket, the number of the limiting grooves is four, the limiting grooves are distributed on the chuck base and the chuck end cover in an annular mode, the movable clamping jaws are connected with the inner side surfaces of the limiting grooves in a sliding mode, and the number of the movable clamping jaws is three.
Preferably, the radial adjusting piece comprises a driven push column, the driven push column is in sliding connection with the inner side surface of the side shell, an inclined limiting plate A is fixedly connected with the outer side surface of the driven push column, a driven push-pull clamp A is slidably connected with the outer side surface of the inclined limiting plate A, an outer movable seat is fixedly connected with the outer side surface of the driven push-pull clamp A, an inner movable seat is slidably connected with the inner side surface of the outer movable seat, and a pushing clamping arm is fixedly connected with the outer side surface of the inner movable seat;
The driven pushing column is contacted with the movable clamping jaw, and the pushing clamping arm is in sliding connection with the movable gear.
Preferably, the wall thickness adjusting piece comprises an end mounting groove, the end mounting groove is formed in the outer side surface of the chuck end cover, an inner supporting block is slidably connected to the inner side surface of the end mounting groove, an inner supporting spring is fixedly connected to one end of the inner supporting block, an outer clamping block is slidably connected to the inner side surface of the end mounting groove, hinge arms are hinged to the inner side surfaces of the outer clamping block and the inner supporting block, a pushing inclined block is hinged to the other end of the hinge arms, a driven inclined pushing block is slidably connected to the outer side surface of the pushing inclined block, a movable base is hinged to the bottom surface of the driven inclined pushing block, a pushing transverse block is fixedly connected to the outer side surface of the chuck end cover, a follow-up base is slidably connected to the outer side surface of the movable base, an extension arm is fixedly connected to the outer side surface of the follow-up base, an inclined limiting plate B is fixedly connected to one end of the extension arm, and a driven push-pull clamp B is slidably connected to the outer side surface of the inclined limiting plate B;
the other end of the inner supporting spring is fixedly connected with the inner side surface of the end mounting groove, the outer clamping block is hinged with the connecting arm, the follow-up base is slidably connected with the outer movable base, and the driven push-pull clamp B is fixedly connected with the inner movable base.
Preferably, the adaptive reset piece comprises a speed regulating gear, the speed regulating gear is rotationally connected with the chuck end cover, the inner side surface of the end mounting groove is slidably connected with a speed doubling rod, the outer side surface of the speed doubling rod is fixedly connected with a support block hook, and the inner side surface of the end mounting groove is slidably connected with an original speed doubling rod;
the speed-doubling rod and the supporting block hook penetrate through the outer clamping block, the original speed rod is fixedly connected with the movable clamping jaw on the opposite side of the outer clamping block, the speed-regulating gear consists of two gears with a one-to-two reference circle ratio, and the two gears are meshed with the original speed rod and the speed-doubling rod respectively.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the mutual matching of the forward and reverse adjusting shaft, the welding mounting arm, the stepless speed changer and the driven clamping disc, the laser welding head and the clamped single-cylinder shock absorber synchronously rotate, the laser welding head can perform annular welding around the single-cylinder shock absorber, the driven clamping disc rotates along with the welding mounting arm, and when the welding mounting arm reversely rotates, the welding mounting arm can completely weld the clamped single-cylinder shock absorber only by rotating for half a circle, so that the required rotation radius of the welding mounting arm is reduced.
In the invention, through the mutual matching of the forward and reverse adjusting shafts and the continuously variable transmission, the rotation direction and the rotation transmission ratio between the welding installation arm and the driven clamping disk are adjusted, if the welding is required to be performed quickly, the forward and reverse adjusting shafts can be adjusted to rotate reversely, and the rotation speed of the driven clamping disk is properly increased through the continuously variable transmission, so that the driven clamping disk can rotate by a larger angle when the welding installation arm rotates by a certain angle, the relative rotation angle is the sum of the two, the welding efficiency is improved, and in the fine welding mode, the two can be adjusted to rotate in the same direction, the relative rotation angle is the difference between the two, and the rotation speed of the driven clamping disk is reduced through the continuously variable transmission, so that the relative rotation angle of the welding installation arm and the driven clamping disk is smaller, and the welding position is convenient to control accurately.
According to the invention, through the mutual matching of the radial adjusting piece and the wall thickness adjusting piece, the optimization of welding speed and heat distribution is realized, and the transmission ratio is adaptively adjusted for the monocular vibration damper with different radial dimensions or different thicknesses so as to control the time required by welding and acquire the heat requirement required by welding.
Drawings
FIG. 1 is a schematic side view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the internal structure of the present invention;
FIG. 3 is a schematic diagram of the interaction structure of the forward and reverse adjusting shaft and the welding installation arm;
FIG. 4 is a schematic diagram of the mutual cooperation structure of the components of the forward and reverse adjusting shaft;
FIG. 5 is a schematic diagram of the structure of the forward and reverse adjusting shaft, the welding mounting arm, the continuously variable transmission and the driven clamping disk of the invention;
FIG. 6 is a schematic view of the mating structure of the components of the driven clamping disk of the present invention;
FIG. 7 is an exploded view of the driven clamping disk of the present invention;
FIG. 8 is a schematic view of the mutual cooperation structure of the electric cam, the connecting arm and the movable clamping jaw;
FIG. 9 is a schematic side view of the internal structure of the present invention B;
FIG. 10 is a schematic view of the interengagement of components of the radial adjustment member of the present invention;
FIG. 11 is a schematic view of the interfitting structure of the wall thickness adjuster and driven clamping disk of the present invention;
FIG. 12 is a schematic view of the interfitting features of the wall thickness adjustment member of the present invention;
FIG. 13 is a schematic diagram showing the interaction structure of the pushing inclined block and the driven inclined pushing block;
FIG. 14 is a schematic view of the interfitting wall thickness adjustment member and radial adjustment member of the present invention;
FIG. 15 is a schematic view of the structure of the extension arm, the oblique limiting plate B, the driven push-pull clamp B and the inner movable seat of the present invention;
FIG. 16 is a schematic view of the mutual cooperation structure of the driven inclined pushing block, the movable base and the follow-up base;
FIG. 17 is a schematic diagram of the interaction structure of the pushing horizontal block and the driven oblique pushing block of the present invention;
FIG. 18 is a schematic view A of the cooperative arrangement of the components of the compliant return member of the present invention;
FIG. 19 is a schematic view B of the interengagement of the components of the compliant return member of the present invention;
FIG. 20 is a schematic diagram showing the cooperation structure of the speed adjusting gear, the speed doubling rod and the original speed doubling rod.
In the figure, 1, a welding platform; 11, welding a base; 12, side shells; 2, a forward and reverse adjusting shaft, 21, a control rod, 22, an output gear, 23, a connecting shaft, 24, a turning gear set, 3, a welding installation arm, 31, a driving rotating arm, 311, an input gear, 32, a longitudinal moving shaft, 321, a longitudinal moving block, 33, a welding installation clamp, 4, a stepless speed changer, 41, an input shaft, 42, a fixed gear, 43, a movable gear, 431, a lifting gear shaft, 44, a universal coupling, 45, a connecting chain wheel, 451, a connecting chain, 5, a driven clamping disc, 51, a chuck rotating shaft, 52, a chuck base, 521, a limiting groove, 53, an electric cam, 531, a connecting arm, 54, a movable clamping jaw, 55, a chuck end cover, 6, a radial adjusting piece, 61, a driven pushing post, 62, an oblique limiting plate A, a driven push-pull clamp A, 621, an outer movable seat, 64, an inner movable seat, 65, a pushing clamping arm, 7, a wall thickness adjusting piece, 71, an end installation groove, 72, an inner supporting block, 721, an inner supporting spring, 73, an outer clamping block, 74, a hinged arm, 741, a pushing oblique block 75, a pushing piece, a oblique sliding block, a supporting block, a 75, a connecting arm, 54, a oblique clamping plate, a movable clamping plate, a 75, a oblique clamping plate, a supporting plate, a 75, a speed adjusting plate, a supporting plate, a moving seat, a lifting plate, a lifting, and a lifting, and lifting.
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 are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 20, the invention provides a technical scheme that a laser welding auxiliary device for an automobile monocular shock absorber comprises a welding platform 1, wherein the top surface of the welding platform 1 is fixedly connected with a welding base 11, the outer side surface of the welding platform 1 is fixedly connected with a side shell 12, the inner side surface of the welding platform 1 is provided with a forward and reverse adjusting shaft 2, the top surface of the forward and reverse adjusting shaft 2 is provided with a welding installation arm 3, the bottom surface of the forward and reverse adjusting shaft 2 is provided with a continuously variable transmission 4, one end of the continuously variable transmission 4 is provided with a driven clamping disc 5, the outer side surface of the driven clamping disc 5 is provided with a radial adjusting piece 6, the outer side surface of the driven clamping disc 5 is provided with a wall thickness adjusting piece 7, and the inner side surface of the driven clamping disc 5 is provided with an adaptive resetting piece 8.
The forward and reverse adjusting shaft 2 comprises a control rod 21, an output gear 22 is fixedly connected to the outer side surface of the control rod 21, a connecting shaft 23 is fixedly connected to the bottom surface of the control rod 21, and a turning gear set 24 is slidably connected to the bottom surface of the connecting shaft 23;
The number of the output gears 22 is two, the turning gear set 24 consists of two bevel gears meshed with each other, and the inner side surface of the bevel gear at the top is in sliding connection with the connecting shaft 23;
Through the arrangement of the clockwise and anticlockwise adjusting shaft 2, in the using process, the two output gears 22 can be meshed with the input gear 311, but a space exists between the two output gears 22, only one output gear 22 is meshed with the input gear 311, through the height-selective meshed output gear 22 of the adjusting control rod 21, when the driving rotating arm 31 rotates, one output gear 22 is driven to rotate through the input gear 311, the input gear 311 and the two output gears 22 are bevel gears, the two output gears 22 are distributed up and down, when the input gear 311 rotates, according to different meshed output gears 22, the rotating direction of the driving control rod 21 is different, the effect of changing the transmitting direction is achieved, the original transverse rotation is converted into the vertical rotation, the control rod 21 is connected with the rotating direction through the bottom connecting shaft 23 to be continuously transmitted to the position of the steering gear set 24 at the bottom, the connecting shaft 23 is connected with the bevel gear at the top of the turning gear set 24, the connecting shaft 23 and the bevel gear at the top of the turning gear set 24 can move through the grooves and the protrusions on the surface, and still keep synchronous rotation, the position of the bevel gear at the top of the turning gear set 24 is fixed and can only rotate, the connecting shaft 23 needs to lift along with the control rod 21, after the output gear 22 meshed with the height adjustment is changed by the control rod 21, the bevel gear at the top of the turning gear set 24 still rotates synchronously with the bevel gear at the bottom through the connecting shaft 23, the bevel gear at the top of the turning gear set 24 transmits rotation to the bevel gear at the bottom, the effect of changing the transmission direction is also realized, the axis of rotation after final output is parallel to the axis of rotation of the welding installation arm 3, the welding installation arm 3 is assumed to drive the input gear 311 to rotate clockwise at the moment, and the input gear 311 is meshed with the output gear 22 at the top at the moment, the final rotation of the turning gear set 24 is in the same direction as the welding installation arm 3, if the turning gear set is meshed with the output gear 22 at the bottom, the final rotation direction is opposite, and the turning gear set is not meshed with the output gear 22, at this time, the welding installation arm 3 does not drive the driven clamping disc 5 to rotate when rotating, so that different modes during welding are changed.
The welding installation arm 3 comprises an active rotating arm 31, the active rotating arm 31 is in rotating connection with the welding platform 1, an input gear 311 is fixedly connected to the outer side surface of the active rotating arm 31, a longitudinal moving shaft 32 is fixedly connected to the other side surface of the active rotating arm 31, a longitudinal moving block 321 is slidably connected to the outer side surface of the longitudinal moving shaft 32, and a welding installation clamp 33 is slidably connected to the outer side surface of the longitudinal moving block 321;
the input gear 311 meshes with the output gear 22;
Through the setting of welding installation arm 3, in the in-process of using, the laser welding head is installed on welding installation clamp 33, and welding installation clamp 33 and longitudinal movement piece 321 all can be on longitudinal movement axle 32, so that carry out the axial direction on the monocular shock absorber that needs the welding and remove, and welding installation clamp 33 can be on longitudinal movement piece 321, adjust the distance of welding head and welding position according to the radial dimension of monocular shock absorber, initiative rotation arm 31 can drive the laser welding head of welding installation clamp 33 and surface and carry out the pivot of radial direction around the monocular shock absorber, and will rotate through following contrary regulating spindle 2 and input to continuously variable transmission 4 and finally drive driven clamping disk 5 and rotate according to following contrary regulating spindle 2 control.
The continuously variable transmission 4 comprises an input shaft 41, wherein the input shaft 41 is rotationally connected with the inner side surface of the welding base 11, a fixed gear 42 is fixedly connected with the outer side surface of the input shaft 41, a movable gear 43 is meshed with the top surface of the fixed gear 42, a lifting gear shaft 431 is slidably connected with the inner side surface of the movable gear 43, one end of the lifting gear shaft 431 is fixedly connected with a universal coupling 44, the other end of the universal coupling 44 is fixedly connected with a connecting chain wheel 45, and a connecting chain 451 is sleeved on the outer side surface of the connecting chain wheel 45;
One end of the input shaft 41 is fixedly connected with a bevel gear at the bottom of the turning gear set 24, the lifting gear shaft 431 is slidably connected with the inner side surface of the welding base 11, and the number of the connecting chain wheels 45 is two and both are rotatably connected with the welding platform 1;
Through the arrangement of the continuously variable transmission 4, in the use process, the input shaft 41 receives the final rotation from the turning gear set 24 and transmits the rotation to the fixed gear 42, the fixed gear 42 is conical and is meshed with the movable gear 43 at the top, the movable gear 43 is also conical to match the slope of the normal surface of the fixed gear 42, the fixed gear 42 does not change in-situ rotation position, after the movable gear 43 moves, the transmission ratio is changed due to the change of the radial dimension of the reference circle meshed with the fixed gear 42, the transmission ratio is changed between five zero points and two zero points, the rotation after the speed change is transmitted to the connecting sprocket 45 through the universal coupling 44, finally the driven clamping disc 5 is driven to rotate through the connecting chain 451 and the connecting sprocket 45, and the height of the lifting gear shaft 431 is also changed through the universal coupling 44 to adapt to different angles between the lifting gear shaft 431 and the connecting sprocket 45 after the movable gear 43 moves on the lifting gear shaft 431;
when the movable gear 43 is positioned at the middle initial position of the fixed gear 42, the scale circle size of the movable gear 43 meshed with the fixed gear 42 is the same, the transmission ratio is one, and when the scale circle size of the fixed gear 42 is increased after the movable gear 43 moves towards one side of the radial size of the fixed gear 42, the transmission ratio is increased, and when the fixed gear 42 rotates, the movable gear 43 rotates more angles, and otherwise rotates less angles;
When the welding installation arm 3 performs annular radial welding, the rotation angle of the driven clamping disc 5 can be changed, and through the joint matching with the forward and backward adjusting shaft 2, when the laser welding is performed, if welding efficiency is required, the steering of the welding installation arm 3 and the driven clamping disc 5 is adjusted to be opposite, when the welding installation arm 3 rotates, the driven clamping disc 5 rotates oppositely, the relative rotation angle of a welding part is the sum of the rotation angles of the two, under the condition that the transmission ratio is one, the welding installation arm 3 can weld the driven clamping disc 5 in a complete circle only by rotating by half circle, when the diameter size of the welded monocular damper is increased, the radial adjusting piece 6 can drive the movable gear 43 to move towards one side with the radial size of the fixed gear 42, the transmission ratio is reduced, the driven clamping disc 5 rotates by a smaller angle when the welding installation arm 3 rotates, so that the relative rotation angle is reduced, after the diameter size of the monocular damper is increased, the rotation linear speed of the welding part is reduced, namely the radial rotation angle speed is increased, the linear speed is increased, the complete circle of the driven clamping disc 5 can be welded by only one circle, when the diameter size of the monocular damper is matched with the wall thickness of the monocular damper is reduced, and the thickness of the radial adjusting piece 7 is also reduced, and the thickness of the driven clamping disc is adjusted to be enough according to the thickness of the monocular damper, and the thickness of the driven disc is adjusted, and the thickness is reduced, and the thickness is enough heat is obtained, and the heat is obtained;
if finer welding is needed, the steering of the welding installation arm 3 and the driven clamping disc 5 is adjusted to be in the same direction, the driven clamping disc 5 rotates towards the welding installation arm 3, the relative rotation angle of the welding part is the difference between the rotation angles of the welding installation arm 3 and the driven clamping disc, the position of the movable gear 43 is manually adjusted, the transmission ratio is increased, the rotation angle of the driven clamping disc 5 is more than the rotation angle of the welding installation arm 3, if the welding installation arm 3 rotates fifteen degrees, the driven clamping disc 5 rotates twenty degrees, the relative rotation angle of the welding part is five degrees, and therefore fine rotation adjustment is achieved through large movement amplitude, and fine welding is achieved.
The driven clamping disc 5 comprises a chuck rotating shaft 51, the chuck rotating shaft 51 is rotationally connected with the welding platform 1, a chuck base 52 is fixedly connected to the outer side surface of the chuck rotating shaft 51, a limit groove 521 is formed in the outer side surface of the chuck base 52, an electric cam 53 is rotationally connected to the outer side surface of the chuck base 52, four connecting arms 531 which are annularly distributed are hinged to the outer side surface of the electric cam 53, a movable clamping jaw 54 is hinged to the other end of the connecting arm 531, and a chuck end cover 55 is fixedly connected to the outer side surface of the chuck base 52;
The chuck rotating shaft 51 is fixedly connected with the connecting chain wheel 45, the number of the limiting grooves 521 is four, the limiting grooves are distributed on the chuck base 52 and the chuck end cover 55 in an annular mode, the movable clamping jaws 54 are connected with the inner side surfaces of the limiting grooves 521 in a sliding mode, and the number of the movable clamping jaws 54 is three;
Through the arrangement of the driven clamping disc 5, in the use process, the chuck rotating shaft 51 is connected with the connecting chain wheel 45 to receive the rotation from the welding installation arm 3 and is used for clamping the single cylinder damper to be welded, after the single cylinder damper is placed on the chuck end cover 55, the electric cam 53 rotates to retract the connecting arm 531 and simultaneously draw back the three movable clamping jaws 54 and the outer clamping blocks 73 inwards, so that the single cylinder damper is clamped.
The radial adjusting piece 6 comprises a driven push column 61, the driven push column 61 is in sliding connection with the inner side surface of the side shell 12, an inclined limiting plate A62 is fixedly connected with the outer side surface of the driven push column 61, a driven push-pull clamp A621 is fixedly connected with the outer side surface of the inclined limiting plate A62, an outer movable seat 63 is fixedly connected with the outer side surface of the driven push-pull clamp A621, an inner movable seat 64 is fixedly connected with the inner side surface of the outer movable seat 63, and a pushing clamping arm 65 is fixedly connected with the outer side surface of the inner movable seat 64;
the driven push column 61 is contacted with the movable clamping jaw 54 to push the clamping arm 65 to be in sliding connection with the movable gear 43;
through the setting of radial regulating piece 6, in the in-process of using, radial regulating piece 6 is used for adjusting the drive ratio of continuously variable transmission 4 according to the radial size of monocular shock absorber, make the radial size of monocular shock absorber of centre gripping bigger then the angle that driven clamping disk 5 rotated be less, after the driven clamping disk 5 centre gripping is accomplished, because movable clamping jaw 54 all can stretch out at both ends, wherein one end is used for the centre gripping, the other end contacts with driven pushing post 61, the radial size of monocular shock absorber is bigger then be close to the edge, then push out more distance outward from driven pushing post 61, driven pushing post 61 drives slant limiting plate A62 and removes, slant limiting plate A62 is the inclined plane, the outside is contacted with driven push-pull clamp A621, when outwards moving movable seat 63, will be with slant limiting plate A62 and outer movable seat 63 promotion, outer movable seat 63 drives interior movable seat 64 and promotion arm 65 removal, it presss from both sides in the both sides of movable gear 43 to push down one side that the radial size of movable gear 43, thereby the drive ratio of continuously variable transmission 4 reduces, and when monocular shock absorber radial size is bigger then is more than driven plate A62 is the slant limiting plate A, can be more than the slant limiting plate A is pulled back to the inclined plate 5, the drive ratio is moved back to the inclined plate A4, can be more than the inclined plane limiting plate A is rotated, can be more than the inclined plane is moved, and the inclined plane is moved down, and is moved down to the side 4 is moved down, and is moved down to the side down, and is down to the side is down to the side down.
The wall thickness adjusting piece 7 comprises an end mounting groove 71, the end mounting groove 71 is formed in the outer side surface of the chuck end cover 55, an inner supporting block 72 is slidably connected to the inner side surface of the end mounting groove 71, one end of the inner supporting block 72 is fixedly connected with an inner supporting spring 721, the inner side surface of the end mounting groove 71 is slidably connected with an outer clamping block 73, both the outer clamping block 73 and the inner side surface of the inner supporting block 72 are hinged with a hinged arm 74, the other end of the hinged arm 74 is hinged with a pushing inclined block 741, the outer side surface of the pushing inclined block 741 is slidably connected with a driven inclined pushing block 75, the bottom surface of the driven inclined pushing block 75 is hinged with a movable base 751, the outer side surface of the chuck end cover 55 is fixedly connected with a pushing transverse block 752, the outer side surface of the movable base 751 is slidably connected with a follow-up base 76, the outer side surface of the follow-up base 76 is fixedly connected with an extension arm 761, one end of the extension arm 761 is fixedly connected with an inclined limiting plate B77, and the outer side surface of the inclined limiting plate B77 is slidably connected with a driven push-pull clamp B78;
The other end of the inner supporting spring 721 is fixedly connected with the inner side surface of the end mounting groove 71, the outer clamping block 73 is hinged with the connecting arm 531, the follow-up base 76 is slidably connected with the outer movable seat 63, and the driven push-pull clamp B78 is fixedly connected with the inner movable seat 64;
Through the arrangement of the wall thickness adjusting piece 7, in the using process, the end mounting groove 71 is internally used for mounting the inner supporting block 72 and the outer clamping block 73, after the monocular vibration absorber is mounted, the outer clamping block 73 clamps the outer wall of the monocular vibration absorber on the outer side along with the connecting arm 531, the inner supporting block 72 is pushed out to be clung to the inner wall of the monocular vibration absorber under the action of the inner supporting spring 721, the distance between the outer clamping block 73 and the inner supporting block 72 is the wall thickness of the monocular vibration absorber, the inner supporting block 72 and the outer clamping block 73 are hinged to push the inclined block 741 through the hinged arm 74, the driven inclined pushing block 75 is pushed to drive the extending arm 761 to move according to the wall thickness, under the action of the inclined limiting plate B77 and the driven push-pull clamp B78, the inner movable seat 64 is continuously pushed on the outer movable seat 63 for a certain distance, the thicker wall increases the transmission ratio, after the adjustment is completed, the chuck end cover 55 rotates and then the driven inclined pushing block 75 is lifted through pushing the transverse block 752, so that the rotation is not affected;
When the radial adjusting piece 6 pushes the outer movable seat 63 through the outer diameter, the follower base 76 is inserted into the pushing outer movable seat 63 through the connecting column at the outer side and moves along with the pushing outer movable seat 63, so that the relative positions of the extension arm 761 and the inclined limiting plate B77 and the driven push-pull clamp B78 on the inner movable seat 64 are unchanged, the movable base 751 is driven to move by the grooves in the follower base 76, the movable base 751 is not driven to move by the longitudinal movement of the follower base 76, the movable base 751 is pushed to move transversely by the transverse movement of the movable base 751, and at the moment, the connecting column of the follower base 76 slides out from the outer movable seat 63;
According to the distance between the inner supporting block 72 and the outer clamping block 73, the included angles of the two hinged arms 74 are different, the distance between the pushing inclined block 741 and the inner supporting block 72 and the distance between the pushing inclined block 73 are different, the smaller the included angle is, the longer the distance is, the driven inclined block 75 is pushed by the longer distance, the driven inclined block 75 also utilizes the inclined limiting plate B77 and the driven push-pull clamp B78, the inner movable seat 64 is pushed out or pulled back on the outer movable seat 63 to adjust the position of the movable gear 43, the angles of the inclined limiting plate B77 and the driven push-pull clamp B78 are opposite to the angles of the inclined limiting plate A62 and the driven push-pull clamp A621, the driven inclined block 75 is pushed out to pull the inner movable seat 64 back, and pushed out by being pulled back, so that the thicker the included angle is smaller, the moving distance of the driven inclined block 75 is short, the moving distance of the inner movable seat 64 is short, the increased transmission ratio is large, the driven clamping disc 5 rotates by a smaller angle, the thicker driven clamping disc 5 rotates, the driven clamping disc 5 rotates slowly, and the obtained heat is more when the driven clamping disc 5 rotates;
If the wall thickness is unchanged, only the radial dimension is changed, the distance between the inner support block 72 and the outer clamping block 73 is unchanged, but the inner support block moves along with the radial change of the monocular shock absorber, and the moving path is parallel to the inclined plane of the driven inclined push block 75, so that the driven inclined push block 75 is not pushed to move.
The adaptive reset piece 8 comprises a speed regulating gear 81, the speed regulating gear 81 is rotationally connected with the chuck end cover 55, the inner side surface of the end mounting groove 71 is slidingly connected with a speed doubling rod 82, the outer side surface of the speed doubling rod 82 is fixedly connected with a support block hook 821, and the inner side surface of the end mounting groove 71 is slidingly connected with an original speed lever 83;
The supporting block hook 821 is contacted with the outer side surface of the inner supporting block 72, the double speed rod 82 and the supporting block hook 821 penetrate through the outer clamping block 73, the original speed rod 83 is fixedly connected with the movable clamping jaw 54 at the opposite side of the outer clamping block 73, the speed regulating gear 81 consists of two gears with a one-to-two reference circle ratio, and the two gears are respectively meshed with the original speed rod 83 and the double speed rod 82;
By adapting to the setting of the reset piece 8, in the use process, when the movable clamping jaw 54 connected with the original speed rod 83 moves outwards and resets, the original speed rod 83 drives the speed regulating gear 81 to rotate, the speed regulating gear 81 drives the double speed rod 82 to move, and the direction of the speed regulating gear 81 is the same as that of the original speed rod 83, as the scale circle size of the meshing of the speed regulating gear 81 and the original speed rod 83 is different, and the angular velocity is the same, the larger the linear velocity is, the larger the scale circle size is, the moving speed of the double speed rod 82 is the double relation of the original speed rod 83, and in the process that the double speed rod 82 moves towards the center position of the clamping end cover 55, the inner supporting block 72 is pulled back and extruded by the supporting block hook 821, so that the inner supporting block 72 is reset, when the single cylinder damper is clamped, the movable clamping jaw 54 clamps inwards, the double speed rod 821 drives the supporting block 821 to move to the other side of the inner supporting block 72, and the maximum size of the clamped single cylinder damper is the radial size of the clamping chuck 55, when the single cylinder damper is clamped, the movable clamping jaw 54 drives the inner supporting block 72 to move to the end cover 521 at least to the end cover 521, and the clamping end cover 55 moves to the other side of the limiting end cover 521, and the single cylinder damper is clamped by the limiting end cover 55.
In this embodiment, as shown in fig. 1 and 2, each component is mounted inside a welding platform 1, a welding base 11, and a side case 12;
In this embodiment, as shown in fig. 3, 4 and 5, the welding installation arm 3 changes the direction by rotating the clockwise and anticlockwise adjusting shaft 2 and changes the transmission ratio by the continuously variable transmission 4, so as to drive the driven clamping disc 5 to rotate synchronously;
In this embodiment, as shown in fig. 6, 7 and 8, the driven clamping disk 5 clamps the mono-tube shock absorber by the movement of the movable clamping jaw 54;
In this embodiment, as shown in fig. 9, the driven push post 61 is in contact with the movable jaw 54;
In the present embodiment, as shown in fig. 10, the driven push post 61 changes the transmission ratio by pushing the outer movable seat 63;
In this embodiment, as shown in fig. 11, 12, 13, 14 and 15, the wall thickness adjuster 7 changes the transmission ratio again by pushing the inner movable seat 64;
In this embodiment, as shown in fig. 16 and 17, the longitudinal movement of the follower base 76 does not drive the movement base 751 to move, and the lateral movement of the movement base 751 drives the follower base 76 to move laterally, so that after the adjustment is completed, the chuck end cover 55 rotates and then the driven oblique pushing block 75 is lifted by pushing the transverse block 752;
In this embodiment, as shown in fig. 18, 19 and 20, the inner support block 72 is pulled to reset when the movable jaw 54 is retracted, and the inner support of the inner support block 72 is not affected when the movable jaw 54 is clamped, in response to the double-speed movement of the reset member 8 by the rack.
The application method and the application method have the advantages that the laser welding auxiliary device for the automobile monocular shock absorber has the following working process:
as shown in fig. 1 to 20, when in use, the driven clamping disc 5 is reset, the movable clamping jaw 54 drives the inner supporting block 72 to reset through the speed regulating gear 81 and the speed doubling rod 82, the single cylinder damper to be welded is placed on the chuck end cover 55, the electric cam 53 rotates and drives the connecting arm 531 to pull the three movable clamping jaws 54 and one outer clamping block 73 to move inwards and clamp the single cylinder damper;
according to the radial dimension difference of the monocular vibration damper, the movable clamping jaw 54 of the radial adjusting piece 6 pushes the driven pushing post 61 to move different distances, and pushes and pulls the outer movable seat 63 to adjust the position of the movable gear 43 on the fixed gear 42, so as to perform first adjustment according to the radial dimension, and on the basis, perform second adjustment through the wall thickness adjusting piece 7, the inner supporting block 72 internally supports the monocular vibration damper, and the distance between the inner supporting block and the outer clamping block 73 pushes the driven inclined pushing block 75 to move different distances, and pushes the inner movable seat 64 to realize second adjustment;
After the welding installation arm 3 is provided with a laser welding head, annular welding is carried out on the outer side surface of the monocular shock absorber through rotation, rotation is transmitted to the driven clamping disc 5 through the clockwise and anticlockwise adjusting shaft 2 and the continuously variable transmission 4, the driven clamping disc 5 rotates synchronously, and the clockwise and anticlockwise adjusting shaft 2 controls the driven clamping disc 5 to rotate in the same direction or reversely with the welding installation arm 3 through adjusting the meshing condition of the internal output gear 22 and the input gear 311;
Under the reverse rotation mode, the relative rotation angle of the hinged part is larger, quick rotation and quick welding are realized, under the same rotation mode, the transmission ratio is manually adjusted, so that the angular speed of the driven clamping disc 5 is slightly larger than that of the welding installation arm 3, the relative rotation angle of the hinged part is smaller, and precise welding is realized.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The laser welding auxiliary device for the automobile monocular shock absorber comprises a welding platform (1), wherein a welding base (11) is fixedly connected with the top surface of the welding platform (1), and a side shell (12) is fixedly connected with the outer side surface of the welding platform (1);
The welding platform is characterized in that a forward and reverse adjusting shaft (2) for adjusting fast or slow welding is arranged on the inner side surface of the welding platform (1), an input laser welding head angular speed welding mounting arm (3) is arranged on the top surface of the forward and reverse adjusting shaft (2), a continuously variable transmission (4) for adjusting the output angular speed of the welding mounting arm (3) is arranged on the bottom surface of the forward and reverse adjusting shaft (2), a driven clamping disc (5) for clamping and adjusting the relative rotating speed by utilizing the rotating speed difference of the welding mounting arm (3) is arranged at one end of the continuously variable transmission (4), a radial adjusting part (6) for adjusting the transmission ratio according to the radial size is arranged on the outer side surface of the driven clamping disc (5), a wall thickness adjusting part (7) for adjusting the transmission ratio according to the wall thickness is arranged on the outer side surface of the driven clamping disc (5), and an adaptive resetting part (8) for resetting is arranged on the inner side surface of the driven clamping disc (5).
2. The laser welding auxiliary device for the automobile monocular shock absorber of claim 1, wherein the clockwise and anticlockwise adjusting shaft (2) comprises a control rod (21), an output gear (22) is fixedly connected to the outer side surface of the control rod (21), a connecting shaft (23) is fixedly connected to the bottom surface of the control rod (21), and a turning gear set (24) is slidingly connected to the bottom surface of the connecting shaft (23);
The number of the output gears (22) is two, the turning gear set (24) is composed of two bevel gears meshed with each other, and the inner side surface of the bevel gear at the top is in sliding connection with the connecting shaft (23).
3. The laser welding auxiliary device for the automobile monocular shock absorber of claim 2, wherein the welding installation arm (3) comprises an active rotating arm (31), the active rotating arm (31) is rotationally connected with the welding platform (1), and an input gear (311) is fixedly connected to the outer side surface of the active rotating arm (31).
4. The laser welding auxiliary device for the automobile monocular shock absorber of claim 3, wherein the continuously variable transmission (4) comprises an input shaft (41), the input shaft (41) is rotationally connected with the inner side surface of the welding base (11), a fixed gear (42) is fixedly connected with the outer side surface of the input shaft (41), a movable gear (43) is meshed with the top surface of the fixed gear (42), a lifting gear shaft (431) is slidably connected with the inner side surface of the movable gear (43), one end of the lifting gear shaft (431) is fixedly connected with a universal coupling (44), the other end of the universal coupling (44) is fixedly connected with a connecting sprocket (45), and a connecting chain (451) is sleeved on the outer side surface of the connecting sprocket (45).
5. The laser welding auxiliary device for the automobile monocular shock absorber is characterized in that the driven clamping disc (5) comprises a chuck rotating shaft (51), the chuck rotating shaft (51) is rotationally connected with a welding platform (1), a chuck base (52) is fixedly connected to the outer side surface of the chuck rotating shaft (51), an electric cam (53) is rotationally connected to the outer side surface of the chuck base (52), four connecting arms (531) distributed in an annular mode are hinged to the outer side surface of the electric cam (53), and movable clamping jaws (54) are hinged to the other ends of the connecting arms (531).
6. The laser welding auxiliary device for the automobile monocular shock absorber of claim 5, wherein the radial adjusting piece (6) comprises a driven pushing post (61), the driven pushing post (61) is slidably connected with the inner side surface of the side shell (12), an inclined limiting plate A (62) is fixedly connected with the outer side surface of the driven pushing post (61), a driven push-pull clamp A (621) is slidably connected with the outer side surface of the inclined limiting plate A (62), an outer movable seat (63) is fixedly connected with the outer side surface of the driven push-pull clamp A (621), an inner movable seat (64) is slidably connected with the inner side surface of the outer movable seat (63), and a pushing clamping arm (65) is fixedly connected with the outer side surface of the inner movable seat (64).
7. The laser welding auxiliary device for the automobile monocular vibration absorber of claim 6, wherein the wall thickness adjusting piece (7) comprises an end mounting groove (71), the end mounting groove (71) is formed in the outer side surface of the chuck end cover (55), the inner side surface of the end mounting groove (71) is slidably connected with an inner supporting block (72), the inner side surface of the end mounting groove (71) is slidably connected with an outer clamping block (73), the inner side surfaces of the outer clamping block (73) and the inner supporting block (72) are hinged with a hinge arm (74), the other end of the hinge arm (74) is hinged with a pushing inclined block (741), the outer side surface of the pushing inclined block (741) is slidably connected with a driven inclined pushing block (75), the bottom surface of the driven inclined pushing block (75) is hinged with a movable base (751), the outer side surface of the movable base (751) is slidably connected with a follow-up base (76), the outer side surface of the follow-up base (76) is fixedly connected with an outer clamping block (761), the inner side surface of the extension arm (72) is hinged with a hinge arm (74), the other end of the extension arm (74) is hinged with a driven plate (77), and the outer side surface of the extension arm (77) is fixedly connected with a limit plate (77B).
8. The laser welding auxiliary device for the automobile monocular shock absorber of claim 7, wherein the adaptive reset piece (8) comprises a speed regulating gear (81), the speed regulating gear (81) is rotationally connected with a chuck end cover (55), a speed doubling rod (82) is slidingly connected with the inner side surface of the end mounting groove (71), a supporting block hook (821) is fixedly connected with the outer side surface of the speed doubling rod (82), and an original speed doubling rod (83) is slidingly connected with the inner side surface of the end mounting groove (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510692267.XA CN120421786A (en) | 2025-05-27 | 2025-05-27 | Laser welding auxiliary device for automobile monocular vibration damper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510692267.XA CN120421786A (en) | 2025-05-27 | 2025-05-27 | Laser welding auxiliary device for automobile monocular vibration damper |
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| CN120421786A true CN120421786A (en) | 2025-08-05 |
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| CN202510692267.XA Pending CN120421786A (en) | 2025-05-27 | 2025-05-27 | Laser welding auxiliary device for automobile monocular vibration damper |
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