CN113878257B - Automobile shock absorber ware oil storage cylinder journal stirrup welding frock - Google Patents

Automobile shock absorber ware oil storage cylinder journal stirrup welding frock Download PDF

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Publication number
CN113878257B
CN113878257B CN202111284516.XA CN202111284516A CN113878257B CN 113878257 B CN113878257 B CN 113878257B CN 202111284516 A CN202111284516 A CN 202111284516A CN 113878257 B CN113878257 B CN 113878257B
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support lug
plate
cover
welding
fixedly connected
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CN113878257A (en
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郭鹏
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Tianjin University of Technology
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Tianjin University of Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Resistance Welding (AREA)

Abstract

The invention relates to a welding tool for a support lug of an oil storage cylinder of an automobile shock absorber, belonging to the technical field of welding tools. Automobile shock absorber ware oil storage cylinder journal stirrup welding frock includes: the upper surface of the base is fixedly connected with a first hydraulic cylinder, the output end of the first hydraulic cylinder is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with a support lug fixing cover which is provided with an opening at one end and is used for fixing a support lug; the oil storage cylinder fixing mechanism is connected with the base; the welding gun guide mechanisms are two in number, the two welding gun guide mechanisms are respectively connected with two opposite surfaces of the support lug fixing cover, and the moving directions of the movable parts in the two welding gun guide mechanisms are opposite; and the movable part of the welding gun guide mechanism is positioned above the part to be welded of the support lug and the oil storage cylinder bracket. The invention solves the technical problem of low welding quality of the traditional device.

Description

Automobile shock absorber ware oil storage cylinder journal stirrup welding frock
Technical Field
The invention relates to the technical field of welding tools, in particular to a welding tool for a support lug of an oil storage cylinder of an automobile shock absorber.
Background
In the suspension system, because the elastic element is impacted to generate vibration, in order to improve the running smoothness of the automobile, a shock absorber is arranged in the suspension in parallel with the elastic element, and in order to attenuate the vibration, the shock absorber adopted in the suspension system of the automobile is mostly a hydraulic shock absorber.
The oil storage cylinder is a necessary part in the hydraulic shock absorber, the bracket of the oil storage cylinder needs to be welded with the support lug, at present, when the support lug of the oil storage cylinder is welded, a corresponding tool does not exist, the support lug is small in size and large in specific surface area, so that the heat dissipation effect is good, when the support lug is welded, the heat dissipation speed of the support lug is larger than that of the bracket of the oil storage cylinder, the support lug is easy to deform during welding, meanwhile, the support lug cannot shield the support lug during welding, the heat area of the support lug is large, the thermal stress in the support lug is large, the support lug is easy to deform during welding, and the welding quality of the support lug is influenced.
Based on the technical scheme, the invention designs the welding tool for the support lug of the oil storage cylinder of the automobile shock absorber to solve the problems.
Disclosure of Invention
The invention aims to provide a welding tool for a support lug of an oil storage cylinder of an automobile shock absorber, which aims to solve the problems that the support lug provided in the background technology has small volume and large specific surface area, so that the heat dissipation effect is good, and therefore, when welding is carried out, the heat dissipation speed of the support lug is higher than that of an oil storage cylinder bracket, the support lug is easy to deform during welding, the heating area of the support lug is large, the thermal stress in the support lug is large, and the support lug is easy to deform during welding.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an automobile shock absorber ware oil storage cylinder journal stirrup welding frock, includes: the upper surface of the base is fixedly connected with a first hydraulic cylinder, the output end of the first hydraulic cylinder is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with a support lug fixing cover which is provided with an opening at one end and is used for fixing a support lug; the oil storage cylinder fixing mechanism is connected with the base; the welding gun guide mechanisms are two in number, the two welding gun guide mechanisms are respectively connected with two opposite surfaces of the support lug fixing cover, and the moving directions of the movable parts in the two welding gun guide mechanisms are opposite; and the movable part of the welding gun guide mechanism is positioned above the part to be welded of the support lug and the oil storage cylinder bracket.
As a further scheme of the invention, the welding gun guiding mechanism comprises a limiting cover, and two opposite outer surfaces of the support lug fixing cover are respectively and fixedly connected with two limiting covers with opposite openings; the inner horizontal surface of the limiting cover is in smooth connection with a T-shaped block, the upper surface of the T-shaped block is elastically connected with a ball assembly, and the T-shaped block is in contact connection with the inner wall of the upper end of the limiting cover through the ball assembly; the vertical section of the T-shaped block penetrates through a strip-shaped opening formed in the lower surface of the limiting cover and extends to the lower part of the limiting cover, and one end, located below the limiting cover, of the T-shaped block is fixedly connected with a bottom plate; the bottom plate is positioned above the to-be-welded part of the support lug and the oil storage cylinder bracket, one end of the bottom plate is fixedly connected with an arc-shaped welding gun groove for restraining a welding gun head, the arc-shaped welding gun groove is obliquely arranged, and the T-shaped block is in contact connection with the inner wall of the upper end of the limiting cover through the ball assembly, so that the T-shaped block performs damping sliding, the welding gun can be supported to a certain degree through the groove wall of the arc-shaped welding gun groove, the probability of movement of the welding gun in the welding process is reduced, the welding seam is straighter and more stable, and the welding quality is improved; the moving directions of the two T-shaped blocks in the two limiting covers are opposite, so that the welding directions of the two sides of the support lug are necessarily opposite when the support lug is welded, the welding stress of the two sides is offset to a certain degree, the probability of deformation of the support lug during welding is reduced, and the welding quality is further improved.
As a further scheme of the invention, the ball assembly comprises a mounting plate, the mounting plate is arranged above the T-shaped block, the mounting plate is far away from an opening of the limiting cover, and the mounting plate is elastically connected with the T-shaped block through an arc-shaped plate spring; the upper surface of mounting panel rotates and is connected with a plurality of balls, and mounting panel sliding connection has the gag lever post that runs through its setting, the lower extreme and the T type piece fixed connection of gag lever post, when the contact of ball and the upper end inner wall of spacing cover, the arc leaf spring is extruded, under the effect of arc leaf spring elastic recovery power, make T type piece damping slide in spacing cover, the bottom plate also carries out damping slide, thereby when electric welder passes through welder push pedal bottom plate, need certain strength, thereby guarantee that welder's motion is more steady, improve journal stirrup welded quality.
As a further scheme of the invention, the welding gun guide mechanism further comprises a pressing plate, the inside of the limit cover is vertically and slidably connected with the pressing plate used for extruding the T-shaped block, and the pressing plate is positioned above the T-shaped block; the lower surface of the pressing plate is in contact connection with the ball, and the upper surface of the pressing plate is rotatably connected with a first threaded rod; first threaded rod runs through spacing cover and with spacing cover threaded connection, and the upper end of first threaded rod is located the top and the fixedly connected with knob of spacing cover, make the clamp plate can be at vertical direction motion through rotating first threaded rod, the dynamics of adjustment clamp plate extrusion ball, make the frictional force between clamp plate and the ball can be adjusted, thereby make the required dynamics adjustment of promotion T type piece, promptly, adjustment welder promotes the required dynamics of bottom plate motion, increase the flexibility that the device used, be applicable to the welder of the difference of strength sensitivity, improve the scope of device.
As a further scheme of the invention, the welding gun guide mechanism further comprises a baffle, the baffle is fixedly connected in the limiting cover, and the baffle is arranged close to the opening of the limiting cover; the lower fixed surface of T type piece is connected with the fixed plate, and the fixed plate is adjusted well with the baffle and is set up, can block the fixed plate through the baffle, avoids the fixed plate to follow the interior roll-off of spacing cover to avoid T type piece to follow the probability of roll-off in the spacing cover completely, reduce the unexpected probability that drops of T type piece, improve the reliability that the device used.
As a further scheme of the invention, the support lug fixing cover is connected with a support lug knocking mechanism for knocking the support lug during welding, the support lug can be knocked while welding through the support lug knocking mechanism, residual stress in the support lug is eliminated, and the probability of welding deformation of the support lug is reduced.
As a further scheme of the invention, the support lug knocking mechanism comprises a mounting groove, the lower surface of the support lug fixing cover is provided with a plurality of mounting grooves which are uniformly distributed along the support lug welding direction, and the bottom plate is positioned right below the mounting grooves; the inner wall of the upper end of the mounting groove is provided with an electromagnet, a knocking column is vertically connected in the mounting groove in a sliding manner, and the upper surface of the knocking column is fixedly connected with the magnet; the lower surface mounting of journal stirrup fixed cover has a plurality of proximity switches that are used for control to correspond the electro-magnet, when promoting the bottom plate motion through welder, make the bottom plate move for the mounting groove, along with the motion of bottom plate, make the proximity switch of different positions progressively not triggered, thereby make the electro-magnet that corresponds no longer circular telegram, make the electro-magnet no longer adsorb magnet, under the effect of magnet and knocking post gravity, make and strike post downstream and strike the journal stirrup, thereby realize striking the journal stirrup in the welded, reduce the residual stress in the journal stirrup, and then reduce the probability that the journal stirrup takes place deformation when the welding.
As a further scheme of the invention, a movable plate mechanism is connected in the lug fixing cover, the movable plate mechanism comprises a movable plate, the movable plate is connected in the lug fixing cover in a sliding manner, the upper surface of the movable plate is rotatably connected with a second threaded rod, the second threaded rod penetrates through the lug fixing cover and is in threaded connection with the lug fixing cover, the upper part of the second threaded rod extends to the upper part of the lug fixing cover, the movable plate can slide in the lug fixing cover by rotating the second threaded rod, so that the depth of the lug fixing cover is adjusted, the lug fixing cover can restrain and fix lugs with different lengths in a certain range, and the application range and the use flexibility are improved.
As a further scheme of the invention, the oil storage cylinder fixing mechanism comprises a mounting seat, the upper surface of the base is fixedly connected with the mounting seat, the mounting seat is fixedly connected with a second hydraulic cylinder along the length direction of the oil storage cylinder, the output end of the second hydraulic cylinder is fixedly connected with a supporting plate, and the upper surface of the supporting plate is fixedly connected with a movable sleeve with one open end; the last fixed surface of base is connected with the stand, and the last fixed surface of stand is connected with one end open-ended fixed cover, and fixed cover sets up with the opening of movable sleeve relatively, the both ends of storing the hydro-cylinder are inserted respectively and are established in movable sleeve and fixed cover, can drive the backup pad motion through the flexible drive of second pneumatic cylinder to distance between adjustment movable sleeve and the fixed cover can be followed both ends and is extruded the storing hydro-cylinder fixedly through movable sleeve and fixed cover, thereby reduces the journal stirrup when the welding, and the probability of rocking, shifting takes place for storing hydro-cylinder and storing hydro-cylinder bracket, improves journal stirrup welded quality.
Compared with the prior art, the invention has the beneficial effects that:
1. the cooling speed of the support lug after welding can be reduced by wrapping the support lug by the support lug fixing cover, so that the cooling speed of the support lug is close to that of the oil storage cylinder bracket, the stress at a welding seam is reduced, the probability of deformation of the support lug during welding is reduced, the welding quality of the support lug is improved, the heating range of the support lug can be reduced by wrapping the support lug by the support lug fixing cover, the thermal stress in the support lug is reduced, and the probability of deformation of the support lug during welding is reduced;
2. the welding gun can be supported to a certain degree through the groove wall of the arc welding gun groove, and the probability of movement of the welding gun in the welding process is reduced, so that the welding seam is more straight and stable, and the welding quality is improved; the moving directions of the two T-shaped blocks in the two limiting covers are opposite, so that the welding directions of the two sides of the support lug are necessarily opposite when the support lug is welded, and the welding stress of the two sides is offset to a certain degree, thereby reducing the deformation probability of the support lug during welding and further improving the welding quality;
3. according to the invention, when the welding gun pushes the bottom plate to move, the bottom plate moves relative to the mounting groove, and the proximity switches at different positions are not triggered gradually along with the movement of the bottom plate, so that the corresponding electromagnets are not electrified any more, the electromagnets do not adsorb the magnets any more, and the knocking column moves downwards and knocks the support lug under the action of the gravity of the magnets and the knocking column, so that the support lug is knocked while welding is realized, the residual stress in the support lug is reduced, and the probability of deformation of the support lug during welding is further reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a preferred embodiment of a welding tool for a journal of an oil storage cylinder of an automobile shock absorber, according to the present invention;
FIG. 2 is a schematic diagram of a three-dimensional structure of the automobile shock absorber oil storage cylinder journal stirrup welding tool shown in FIG. 1 in the rear view direction;
FIG. 3 is a schematic structural view of the reservoir fixing mechanism shown in FIG. 1;
FIG. 4 is a schematic view of the mounting structure of the torch guide mechanism shown in FIG. 2;
FIG. 5 is a cross-sectional structural schematic view of the torch guide mechanism shown in FIG. 4;
FIG. 6 is a schematic structural view of the ball assembly shown in FIG. 5;
FIG. 7 is a cross-sectional view of the lug fixing cover shown in FIG. 4;
fig. 8 is a schematic view of the three-dimensional structure of the lug fixing cover shown in fig. 1 in the bottom view direction.
In the drawings, the components represented by the respective reference numerals are listed below:
1-oil storage cylinder fixing mechanism; 11-a movable sleeve; 12-fixing the sleeve; 13-upright column; 14-a support plate; 15-a second hydraulic cylinder; 16-a mounting seat; 2-oil storage cylinder; 3, supporting lug fixing covers; 4-a base; 5-a first hydraulic cylinder; 6-connecting a plate; 7-a welding gun guiding mechanism; 71-a baffle; 72-a platen; 73-a limit shield; 74-first threaded rod; 75-a ball assembly; 751-a mounting plate; 752-ball bearing; 753-a limiting rod; 754-arc plate spring; 76-a fixed plate; 77-T type block; 78-a base plate; 79-arc welding gun slot; 8-a movable plate mechanism; 81-a second threaded rod; 82-a movable plate; 9-lug knocking mechanism; 91-an electromagnet; 92-knocking the column; 93-a magnet; 94-proximity switches; 95-mounting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, a welding tool for a support lug of an oil storage cylinder of an automobile shock absorber includes: the device comprises a base 4, wherein the upper surface of the base 4 is fixedly connected with a first hydraulic cylinder 5, the output end of the first hydraulic cylinder 5 is fixedly connected with a connecting plate 6, and the connecting plate 6 is fixedly connected with a support lug fixing cover 3 which is provided with an opening at one end and is used for fixing a support lug; the oil storage cylinder fixing mechanism 1 is connected with the base 4; the number of the welding gun guide mechanisms 7 is two, the two welding gun guide mechanisms 7 are respectively connected with two opposite surfaces of the support lug fixing cover 3, and the moving directions of the movable parts in the two welding gun guide mechanisms 7 are opposite; and the movable part of the welding gun guide mechanism 7 is positioned above the part to be welded of the support lug and the oil storage cylinder bracket.
Need to explain: when the device is used, the oil storage cylinder 2 is fixed through the oil storage cylinder fixing mechanism 1, the support lug fixing cover 3 moves through telescopic driving of the first hydraulic cylinder 5, the support lug is fixed on a bracket on the oil storage cylinder 2 through the support lug fixing cover 3, the probability of shaking of the support lug during welding is reduced, the welding quality of the support lug is improved, and when the support lug is fixed by the support lug fixing cover 3, the support lug is wrapped by the support lug fixing cover 3;
it is also necessary to state: the cooling speed of the support lug after welding can be reduced by wrapping the support lug by the support lug fixing cover 3, so that the cooling speed of the support lug is close to that of the oil storage cylinder bracket, the stress at a welding seam is reduced, the probability of deformation of the support lug during welding is reduced, the welding quality of the support lug is improved, the heating range of the support lug can be reduced by wrapping the support lug by the support lug fixing cover 3, the thermal stress in the support lug is reduced, and the probability of deformation of the support lug during welding is reduced;
it is also stated that: when the support lug is welded, the welding gun is guided by the welding gun guide mechanism 7, so that the movement of the welding gun is more stable, the welding seam is more straight and stable, and the welding quality is improved; meanwhile, the welding directions of the two sides of the support lug are opposite to each other by the two welding gun guide mechanisms 7, so that the welding stress of the two sides is offset to a certain degree, the deformation probability of the support lug during welding is reduced, and the welding quality is further improved.
Referring to fig. 1, 2, 4 and 5, the welding gun guiding mechanism 7 includes a limiting cover 73, and two limiting covers 73 with opposite openings are fixedly connected to two opposite outer surfaces of the support lug fixing cover 3 respectively; a T-shaped block 77 is horizontally and movably connected in the limiting cover 73, the upper surface of the T-shaped block 77 is elastically connected with a ball assembly 75, and the T-shaped block 77 is in contact connection with the inner wall of the upper end of the limiting cover 73 through the ball assembly 75; the vertical section of the T-shaped block 77 penetrates through a strip-shaped opening formed in the lower surface of the limiting cover 73 and extends to the lower part of the limiting cover 73, and a bottom plate 78 is fixedly connected to one end, located below the limiting cover 73, of the T-shaped block 77; the bottom plate 78 is positioned above the to-be-welded part of the support lug and the oil storage cylinder bracket, an arc-shaped welding gun groove 79 for restraining the head of a welding gun is fixedly connected to one end of the bottom plate 78, and the arc-shaped welding gun groove 79 is obliquely arranged.
Need to explain: when an electric welder welds, the electric welder can place a welding gun in the arc-shaped welding gun groove 79 and attach to the groove wall of the arc-shaped welding gun groove 79, and the welding gun pushes the bottom plate 78 to move, so that the to-be-welded part of the support lug and the bracket is exposed, and the support lug can be welded; the T-shaped block 77 is in contact connection with the inner wall of the upper end of the limiting cover 73 through the ball assembly 75, so that the T-shaped block 77 performs damping sliding, the welding gun can be supported to a certain degree through the groove wall of the arc welding gun groove 79, the probability of movement of the welding gun in the welding process is reduced, the welding seam is straighter and more stable, and the welding quality is improved;
it is also necessary to state: the moving directions of the two T-shaped blocks 77 in the two limiting covers 73 are opposite, so that the welding directions of the two sides of the support lug are necessarily opposite when the support lug is welded, and the welding stress of the two sides is offset to a certain degree, thereby reducing the deformation probability of the support lug during welding and further improving the welding quality;
it is also necessary to state: the lower surface of the bottom plate 78 is attached to the support lug, and the bottom plate 78 can shield the bottom surface of the support lug, so that the heating range of the support lug during welding is reduced, the thermal stress in the support lug is reduced, and further, the probability of deformation during welding of the support lug is reduced; because the bottom plate 78 can shield the bottom surface of the support lug, the heat dissipation speed of the support lug after welding is reduced, the cooling speed of the support lug is favorably ensured to be close to that of the oil storage cylinder bracket, and the probability of welding deformation of the support lug is reduced.
Referring to fig. 5 and 6, the ball assembly 75 includes a mounting plate 751, the mounting plate 751 is disposed above the T-shaped block 77, the mounting plate 751 is disposed away from the opening of the limit cap 73, and the mounting plate 751 is elastically connected to the T-shaped block 77 by an arc-shaped leaf spring 754; the upper surface of mounting panel 751 rotates and is connected with a plurality of balls 752, and mounting panel 751 has gag lever post 753 of running through its setting of sliding connection, and the lower extreme and the T type piece 77 fixed connection of gag lever post 753.
Need to explain: when the ball 752 contacts the inner wall of the upper end of the limit cover 73, the arc-shaped plate spring 754 is extruded, and under the action of elastic restoring force of the arc-shaped plate spring 754, the T-shaped block 77 slides in a damping manner in the limit cover 73, and the bottom plate 78 also slides in a damping manner, so that when an electric welder pushes the bottom plate 78 through a welding gun, certain force is required, the movement of the welding gun is more stable, and the welding quality of the support lug is improved.
Referring to fig. 5, the welding gun guiding mechanism 7 further includes a pressing plate 72, the pressing plate 72 for extruding the T-shaped block 77 is vertically and slidably connected in the limiting cover 73, and the pressing plate 72 is located above the T-shaped block 77; the lower surface of the pressure plate 72 is in contact connection with the ball 752, and the upper surface of the pressure plate 72 is rotatably connected with a first threaded rod 74; the first threaded rod 74 penetrates through the limiting cover 73 and is in threaded connection with the limiting cover 73, and the upper end of the first threaded rod 74 is located above the limiting cover 73 and is fixedly connected with a knob.
Need to explain: the pressing plate 72 can move in the vertical direction by rotating the first threaded rod 74, the force of the pressing plate 72 for extruding the ball 752 is adjusted, and the friction force between the pressing plate 72 and the ball 752 can be adjusted, so that the force required for pushing the T-shaped block 77 is adjusted, namely, the force required for pushing the bottom plate 78 by the welding gun is adjusted, the use flexibility of the device is improved, the device is suitable for welders with different force sensitivities, and the range of the device is improved; when the first threaded rod 74 is rotated clockwise, the pressing plate 72 moves downward, increasing the force with which the pressing plate 72 presses the balls 752, so that the force required to push the T-block 77 increases, and when the first threaded rod 74 is rotated counterclockwise, the pressing plate 72 moves upward, decreasing the force with which the pressing plate 72 presses the balls 752, so that the force required to push the T-block 77 decreases.
Referring to fig. 5, the welding gun guiding mechanism 7 further includes a baffle 71, the baffle 71 is fixedly connected in the limit cover 73, and the baffle 71 is disposed near an opening of the limit cover 73; the lower surface of the T-shaped block 77 is fixedly connected with a fixing plate 76, and the fixing plate 76 is aligned with the baffle 71.
Need to explain: the fixing plate 76 can be blocked by the baffle plate 71, the fixing plate 76 is prevented from sliding out of the limiting cover 73, the probability that the T-shaped block 77 completely slides out of the limiting cover 73 is avoided, the probability that the T-shaped block 77 accidentally drops is reduced, and the use reliability of the device is improved.
Referring to fig. 7, the lug fixing cover 3 is connected with a lug knocking mechanism 9 for knocking the lug during welding.
Need to explain: the support lug can be knocked by the support lug knocking mechanism 9 during welding, so that residual stress in the support lug is eliminated, and the probability of welding deformation of the support lug is reduced.
Referring to fig. 7 and 8, the lug knocking mechanism 9 includes a mounting groove 95, the lower surface of the lug fixing cover 3 is provided with a plurality of mounting grooves 95 uniformly distributed along the welding direction of the lugs, and the bottom plate 78 is located right below the mounting grooves 95; an electromagnet 91 is installed on the inner wall of the upper end of the installation groove 95, a knocking column 92 is vertically connected in the installation groove 95 in a sliding mode, and a magnet 93 is fixedly connected to the upper surface of the knocking column 92; a plurality of proximity switches 94 for controlling the corresponding electromagnets 91 are installed on the lower surface of the lug fixing cover 3.
Need to explain: when the welding position of the support lug and the oil storage cylinder bracket is shielded by the bottom plate 78, at the moment, the bottom plate 78 triggers the proximity switches 94 at different positions to electrify the electromagnet 91, so that the electromagnet 91 generates magnetic force, and the electromagnet 91 adsorbs the magnet 93, so that the knocking column 92 is placed in the mounting groove 95 at the temperature; when the welding gun pushes the bottom plate 78 to move, the bottom plate 78 moves relative to the mounting groove 95, the proximity switches 94 at different positions are gradually not triggered along with the movement of the bottom plate 78, so that the corresponding electromagnets 91 are not electrified any more, the electromagnets 91 do not adsorb the magnets 93 any more, and the knocking columns 92 move downwards and knock the support lugs under the action of the gravity of the magnets 93 and the knocking columns 92, so that the support lugs are knocked while welding is achieved, the residual stress in the support lugs is reduced, and the probability of deformation of the support lugs during welding is reduced;
it is also stated that: the length of the knocking column 92 is larger than the distance between the lower surface of the support lug fixing cover 3 and the upper surface of the support lug arc-shaped connecting section, so that the knocking column 92 is prevented from completely sliding out of the mounting groove 95;
it is also stated that: the proximity switch 94 is arranged behind the corresponding electromagnet 91, namely when the bottom plate 78 moves, the bottom plate 78 passes below the electromagnet 91 and then passes below the corresponding proximity switch 94, so that the bottom plate 78 is prevented from blocking the knocking column 92, and the knocking column 92 can stably knock the lug;
it is also stated that: after the welding is completed, the base plate 78 is pushed to trigger the proximity switches 94 at all different positions again, and the knocking posts 92 enter the corresponding mounting grooves 95 again under the magnetic force of the electromagnets 91 and the magnets 93.
Referring to fig. 7, be connected with movable plate mechanism 8 in the journal stirrup fixing cover 3, movable plate mechanism 8 includes movable plate 82, sliding connection has movable plate 82 in the journal stirrup fixing cover 3, and the upper surface of movable plate 82 rotates and is connected with second threaded rod 81, and second threaded rod 81 runs through journal stirrup fixing cover 3 and with journal stirrup fixing cover 3 threaded connection, and the top of second threaded rod 81 extends to the top of journal stirrup fixing cover 3.
Need to explain: can make the fly leaf 82 slide in the journal stirrup fixed cover 3 through rotating second threaded rod 81 to the degree of depth of adjustment journal stirrup fixed cover 3 makes the journal stirrup fixed cover 3 can restrict fixedly to the journal stirrup of different length in certain extent, thereby the application scope and the flexibility of use that improve.
Referring to fig. 1 and 3, the oil storage cylinder fixing mechanism 1 includes a mounting seat 16, the mounting seat 16 is fixedly connected to the upper surface of the base 4, the mounting seat 16 is fixedly connected to a second hydraulic cylinder 15 along the length direction of the oil storage cylinder 2, the output end of the second hydraulic cylinder 15 is fixedly connected to a support plate 14, and the upper surface of the support plate 14 is fixedly connected to a movable sleeve 11 with one open end; the upper surface of base 4 is fixedly connected with stand 13, and the upper surface of stand 13 is fixedly connected with fixed cover 12 of one end open-ended, and fixed cover 12 sets up with the opening of movable sleeve 11 relatively, the both ends of oil storage jar 2 are inserted respectively and are established in movable sleeve 11 and fixed cover 12.
The following description is required: the second hydraulic cylinder 15 can be driven to stretch and retract to drive the supporting plate 14 to move, so that the distance between the movable sleeve 11 and the fixed sleeve 12 is adjusted, the oil storage cylinder 2 can be extruded and fixed from two ends through the movable sleeve 11 and the fixed sleeve 12, the probability of shaking and displacement of the oil storage cylinder 2 and an oil storage cylinder bracket is reduced when the support lug is welded, and the welding quality of the support lug is improved;
it is also stated that: the base 4 is provided with a sliding groove, the supporting plate 14 is connected in the sliding groove through the sliding block in a sliding manner, and the sliding of the supporting plate 14 is more stable through the sliding groove.
The working principle of the welding tool for the journal lugs of the oil storage cylinder of the automobile shock absorber is as follows:
when the welding device is used, the support lug is fixed on the bracket on the oil storage cylinder 2 through the support lug fixing cover 3, the probability of shaking of the support lug during welding is reduced, the welding quality of the support lug is improved, and when the support lug is fixed by the support lug fixing cover 3, the support lug is wrapped by the support lug fixing cover 3; the cooling speed of the support lug after welding can be reduced by wrapping the support lug by the support lug fixing cover 3, so that the cooling speed of the support lug is close to that of the oil storage cylinder bracket, the stress at a welding seam is reduced, the probability of deformation of the support lug during welding is reduced, the welding quality of the support lug is improved, the heating range of the support lug can be reduced by wrapping the support lug by the support lug fixing cover 3, the thermal stress in the support lug is reduced, and the probability of deformation of the support lug during welding is reduced; when the welder welds, the welder can place a welding gun in the arc-shaped welding gun groove 79 and attach to the groove wall of the arc-shaped welding gun groove 79, and the welder pushes the bottom plate 78 to move, so that the to-be-welded part of the support lug and the bracket is exposed, and the support lug can be welded; the T-shaped block 77 is in contact connection with the inner wall of the upper end of the limiting cover 73 through the ball assembly 75, so that the T-shaped block 77 performs damping sliding, the welding gun can be supported to a certain degree through the groove wall of the arc welding gun groove 79, the probability of movement of the welding gun in the welding process is reduced, the welding seam is straighter and more stable, and the welding quality is improved; the moving directions of the two T-shaped blocks 77 in the two limiting covers 73 are opposite, so that the welding directions of the two sides of the support lug are necessarily opposite when the support lug is welded, and the welding stress of the two sides is offset to a certain degree, thereby reducing the deformation probability of the support lug during welding and further improving the welding quality; when the invention is used, when the welding position of the support lug and the oil storage cylinder bracket is shielded by the bottom plate 78, at the moment, the bottom plate 78 triggers the proximity switches 94 at all different positions to electrify the electromagnet 91, so that the electromagnet 91 generates magnetic force, and the electromagnet 93 is adsorbed by the electromagnet 91, so that the knocking column 92 is placed in the mounting groove 95 at the temperature; when pushing away the bottom plate 78 motion through welder, make the bottom plate 78 for the motion of mounting groove 95, along with the motion of bottom plate 78, make the proximity switch 94 of different positions progressively not triggered, thereby make corresponding electro-magnet 91 no longer circular telegram, make electro-magnet 91 no longer adsorb magnet 93, under the effect of magnet 93 and the striking post 92 gravity, make and strike post 92 downstream and strike the journal stirrup, thereby realize striking the journal stirrup in the welded, reduce the residual stress in the journal stirrup, and then reduce the probability that the journal stirrup takes place deformation when the welding.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (1)

1. The utility model provides an automobile shock absorber ware oil storage cylinder journal stirrup welding frock which characterized in that includes: the device comprises a base (4), wherein the upper surface of the base (4) is fixedly connected with a first hydraulic cylinder (5), the output end of the first hydraulic cylinder (5) is fixedly connected with a connecting plate (6), and the connecting plate (6) is fixedly connected with a support lug fixing cover (3) which is provided with an opening at one end and is used for fixing a support lug;
the oil storage cylinder fixing mechanism (1), the oil storage cylinder fixing mechanism (1) is connected with the base (4);
the welding gun guiding mechanisms (7) are two, the two welding gun guiding mechanisms (7) are respectively connected with two opposite surfaces of the support lug fixing cover (3), and the moving directions of the movable parts in the two welding gun guiding mechanisms (7) are opposite; the movable part of the welding gun guide mechanism (7) is positioned above the part to be welded of the support lug and the oil storage cylinder bracket;
the welding gun guide mechanism (7) comprises a limiting cover (73), and two opposite outer surfaces of the support lug fixing cover (3) are respectively and fixedly connected with the limiting covers (73) with opposite openings; the inner water surface of the limiting cover (73) is smoothly connected with a T-shaped block (77), the upper surface of the T-shaped block (77) is elastically connected with a ball assembly (75), and the T-shaped block (77) is in contact connection with the inner wall of the upper end of the limiting cover (73) through the ball assembly (75); the vertical section of the T-shaped block (77) penetrates through a strip-shaped opening formed in the lower surface of the limiting cover (73) and extends to the lower part of the limiting cover (73), and one end, located below the limiting cover (73), of the T-shaped block (77) is fixedly connected with a bottom plate (78); the bottom plate (78) is positioned above the to-be-welded part of the support lug and the oil storage cylinder bracket, one end of the bottom plate (78) is fixedly connected with an arc-shaped welding gun groove (79) for restraining a welding gun head, and the arc-shaped welding gun groove (79) is obliquely arranged;
the ball assembly (75) comprises a mounting plate (751), the mounting plate (751) is arranged above the T-shaped block (77), the mounting plate (751) is far away from an opening of the limit cover (73), and the mounting plate (751) is elastically connected with the T-shaped block (77) through an arc-shaped leaf spring (754); the upper surface of the mounting plate (751) is rotatably connected with a plurality of balls (752), the mounting plate (751) is slidably connected with a limiting rod (753) penetrating through the mounting plate, and the lower end of the limiting rod (753) is fixedly connected with the T-shaped block (77);
the welding gun guide mechanism (7) further comprises a pressing plate (72), the pressing plate (72) used for extruding the T-shaped block (77) is vertically and slidably connected in the limiting cover (73), and the pressing plate (72) is located above the T-shaped block (77); the lower surface of the pressure plate (72) is in contact connection with the ball (752), and the upper surface of the pressure plate (72) is rotatably connected with a first threaded rod (74); the first threaded rod (74) penetrates through the limiting cover (73) and is in threaded connection with the limiting cover (73), and the upper end of the first threaded rod (74) is located above the limiting cover (73) and is fixedly connected with a knob;
the welding gun guide mechanism (7) further comprises a baffle plate (71), the baffle plate (71) is fixedly connected in the limiting cover (73), and the baffle plate (71) is arranged close to an opening of the limiting cover (73); the lower surface of the T-shaped block (77) is fixedly connected with a fixing plate (76), and the fixing plate (76) is aligned with the baffle (71);
the support lug fixing cover (3) is connected with a support lug knocking mechanism (9) for knocking the support lug during welding;
the support lug knocking mechanism (9) comprises a mounting groove (95), the lower surface of the support lug fixing cover (3) is provided with a plurality of mounting grooves (95) which are uniformly distributed along the support lug welding direction, and the bottom plate (78) is positioned right below the mounting grooves (95); an electromagnet (91) is installed on the inner wall of the upper end of the installation groove (95), a knocking column (92) is vertically and slidably connected into the installation groove (95), and a magnet (93) is fixedly connected to the upper surface of the knocking column (92); a plurality of proximity switches (94) used for controlling corresponding electromagnets (91) are mounted on the lower surface of the support lug fixing cover (3);
a movable plate mechanism (8) is connected in the support lug fixing cover (3), the movable plate mechanism (8) comprises a movable plate (82), the movable plate (82) is connected in the support lug fixing cover (3) in a sliding mode, a second threaded rod (81) is connected to the upper surface of the movable plate (82) in a rotating mode, the second threaded rod (81) penetrates through the support lug fixing cover (3) and is in threaded connection with the support lug fixing cover (3), and the upper portion of the second threaded rod (81) extends to the upper portion of the support lug fixing cover (3);
the oil storage cylinder fixing mechanism (1) comprises a mounting seat (16), the upper surface of the base (4) is fixedly connected with the mounting seat (16), the mounting seat (16) is fixedly connected with a second hydraulic cylinder (15) along the length direction of the oil storage cylinder (2), the output end of the second hydraulic cylinder (15) is fixedly connected with a supporting plate (14), and the upper surface of the supporting plate (14) is fixedly connected with a movable sleeve (11) with one open end; the upper surface of base (4) fixed surface is connected with stand (13), and the upper surface fixed surface of stand (13) is connected with the fixed cover (12) of one end open-ended, and fixed cover (12) set up with the opening of movable sleeve (11) relatively, insert respectively at the both ends of oil storage jar (2) and establish in movable sleeve (11) and fixed cover (12).
CN202111284516.XA 2021-11-01 2021-11-01 Automobile shock absorber ware oil storage cylinder journal stirrup welding frock Active CN113878257B (en)

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Publication number Priority date Publication date Assignee Title
CN201483145U (en) * 2009-06-08 2010-05-26 东莞市正太合赢自动化设备有限公司 Automatic tank body lug counting machine
CN104439801B (en) * 2013-09-23 2018-01-12 中国国际海运集装箱(集团)股份有限公司 Welder and the automatic welding machine with the welder
CN105215594B (en) * 2015-09-28 2017-03-01 力帆实业(集团)股份有限公司 A kind of beam bending bicycle sample vehicle frame processing method
CN105149845B (en) * 2015-09-28 2017-01-11 力帆实业(集团)股份有限公司 Clamp structure for fixed-position welding of rear portion of rear beam pipe of frame of cub-type motorcycle sample
CN105312817B (en) * 2015-11-26 2017-10-31 重庆耀勇减震器有限公司 Automobile absorber oil storage cylinder tool for welding support lug
CN105834564B (en) * 2016-04-28 2018-01-16 柳州煜华科技有限公司 A kind of soldering appliance and using the instrument without fixture welding technique method
KR101894216B1 (en) * 2016-09-30 2018-09-03 (주)화신 Welding apparatus for shock absorber

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