Welding tool for automobile seat adjusting angle plate nut
Technical Field
The utility model relates to a welding technology for an automobile seat adjusting angle plate nut, in particular to a welding tool for an automobile seat adjusting angle plate nut.
Background
The automobile seat adjusting angle plate is a sheet metal stamping part (hereinafter referred to as an adjusting angle plate for short), the appearance of the automobile seat adjusting angle plate is rectangular, flanges are stamped on two sides of the automobile seat adjusting angle plate, four strip-shaped through holes are stamped on a bottom plate (the middle part of the flanges on the two sides is commonly referred to as the bottom plate), wherein three strip-shaped through holes are vertically arranged at the middle rear part of the bottom plate at intervals, one strip-shaped through hole is transversely arranged at the middle front part of the bottom plate, and in addition, rectangular notches are formed on two sides of the front end of the bottom plate. After the stamping processing of the adjusting angle plate is finished, a nut is welded at the center of the bottom plate at the inner side of the flanging so as to be convenient for installation and adjustment. And the welding position of the nut coincides with the front end of the strip-shaped through hole in the middle of the bottom plate, so that the bolt can penetrate into the nut from the back side of the adjusting angle plate (see fig. 1, a is the adjusting angle plate and b is the nut).
The prior art automobile seat adjusting angle plate nut welding method adopts manual welding, when in welding, an adjusting angle plate is firstly placed on a workbench surface, then the nut is placed at a welding position, and then the welding is performed manually. The method is complex in operation and low in efficiency, and quality is difficult to ensure.
Obviously, the welding method for the adjusting angle plate nut of the automobile seat in the prior art has the problems of complex operation, low efficiency, difficulty in ensuring quality and the like.
Disclosure of Invention
The utility model provides a welding tool for adjusting angle plate nuts of an automobile seat, which aims to solve the problems that the welding method for adjusting angle plate nuts of the automobile seat in the prior art is complex in operation, low in efficiency, difficult to guarantee quality and the like.
The utility model relates to a welding tool for an automobile seat adjusting angle plate nut, which comprises a base plate, a rotating mechanism, a positioning mechanism, a pressing mechanism, a universal adjusting mechanism and a welding mechanism; the base plate is a rectangular plate; the rotating mechanism comprises a rotating device and a rotating table top; the rotating device is fixed at the center of a base plate, the rotating table top is fixed at the upper end of a rotating shaft of the rotating device, the positioning mechanism comprises an inverted L-shaped clamping groove, a strip-shaped step and a cylindrical step, the notch of the inverted L-shaped clamping groove is fixed at the rear side of the rotating table top forwards, the notch height of the inverted L-shaped clamping groove is matched with the thickness of an adjusting angle plate, the strip-shaped steps are respectively fixed at the two sides of the front end of the rotating table top, the cylindrical step is fixed at the center of the rotating table top, the diameter and the height of the cylindrical step are matched with the inner diameter and the thickness of a nut, the fixed positions of the inverted L-shaped clamping groove and the strip-shaped step are used for sequentially inserting a strip-shaped through hole in the middle of the adjusting angle plate and a nut on the cylindrical step, when the nut is positioned at a set welding position of the adjusting angle plate, the rear end of a bottom plate of the adjusting angle plate is just clamped in the notch of the inverted L-shaped clamping groove, the strip-shaped step is just respectively positioned at rectangular notches at the two sides of the front end of the bottom plate of the adjusting angle plate, the pressing mechanism is fixed on the rotating table top of the front end of the adjusting angle plate, the cylindrical step of the positioning mechanism, the cylindrical step is positioned right above the positioning mechanism, the universal adjusting mechanism is provided with a diameter and the height of the cylindrical step, the diameter of the cylindrical step is matched with the inner diameter and the nut, the cylindrical step I is matched with the round rod I, the round rod I and the round rod II, the round rod II is matched with the round rod II, the round rod II and the round rod II is provided with the round rod I, the round rod II and the round rod II, the round rod II and the round seat I and the round seat II, the round seat II, and the round seat II I III I and the round seat I III I and the, the welding mechanism comprises a mounting seat I, a welding cylinder, a mounting seat II and a welding gun, wherein the diameter of the through hole is matched with the outer diameter of a round rod, a fastening gap and a fastening bolt are arranged on the outer side of the through hole, the round rod I is vertically inserted into an inner hole of a fixing seat, one through hole of the steering seat I is sleeved on the upper end of the round rod I, the other through hole of the steering seat I is sleeved on the round rod II, one through hole of the steering seat II is sleeved on the upper end of the round rod II, the other through hole of the steering seat II is sleeved on the round rod III, the welding mechanism comprises the mounting seat I, the welding cylinder, the mounting seat II and the welding gun, the mounting seat I is cuboid, the through hole is arranged in the center of one end of the cuboid of the mounting seat I and is sleeved on the round rod III through the through hole, the other end of the welding cylinder is provided with a support plate, the mounting seat II is fixedly mounted on the support plate of the mounting seat I, the mounting seat II is fixedly mounted on a piston of the welding cylinder, and the welding gun is fixedly mounted on the mounting seat II.
The pressing mechanism is a four-bar mechanism and comprises a base, a hinging seat, a T-shaped rod, a rocker, a connecting rod and a pressing head, wherein the base is a cuboid and is fixed on a rotating table top at the front end of a bottom plate of an adjusting angle plate, the hinging seat is fixed on the upper surface of the base, hinging holes are formed in the front end and the rear end of the hinging seat, the bottom of a vertical edge of the T-shaped rod is hinged with the front end of the hinging seat, the rear side of a transverse edge of the T-shaped rod is provided with a hinging hole, the front end of the rocker is hinged with the rear side of the transverse edge of the T-shaped pressing head, the middle part of the rocker is provided with a hinging hole, the rear end of the rocker is provided with a spanner, one end of the connecting rod is hinged with the middle part of the rocker, the other end of the connecting rod is hinged with the rear end of the hinging seat, and the pressing head is arranged on the front side of the transverse edge of the T-shaped rod.
Further, the front side of the transverse edge of the T-shaped rod is provided with a strip-shaped through hole, and the pressure head is arranged in the strip-shaped hole.
The welding tool for the automobile seat adjusting angle plate nut has the beneficial technical effects that the adjusting angle plate and the nut can be welded after being fixed, and the automatic welding is adopted, so that the labor intensity is reduced, the production efficiency is improved, and the product quality is improved.
Drawings
FIG. 1 is a three-dimensional schematic view of an automobile seat adjusting gusset nut before and after welding;
FIG. 2 is a three-dimensional schematic view of the welding fixture for the nut of the adjusting angle plate of the automobile seat;
FIG. 3 is a three-dimensional schematic of the hold-down mechanism of the present utility model;
FIG. 4 is a three-dimensional schematic of the universal adjustment mechanism and welding mechanism of the present utility model;
FIG. 5 is a three-dimensional schematic view of the fixed state of the welding fixture for the adjusting angle plate nut of the automobile seat.
The utility model further provides a welding tool for the nut of the adjusting angle plate of the automobile seat, which is described with reference to the accompanying drawings and the specific embodiment.
Detailed Description
Fig. 2 is a three-dimensional schematic view of the welding fixture for the adjusting angle plate nut of the automobile seat according to the present utility model, fig. 3 is a three-dimensional schematic view of the pressing mechanism according to the present utility model, fig. 4 is a three-dimensional schematic view of the universal adjusting mechanism and the welding mechanism according to the present utility model, and fig. 5 is a three-dimensional schematic view of the fixing state of the welding fixture for the adjusting angle plate nut of the automobile seat according to the present utility model. In the figure, 1 is a base plate, 2 is a rotating mechanism, 2-1 is a rotating device, 2-2 is a rotating table top, 3 is a positioning mechanism, 3-1 is an inverted L-shaped clamping groove, 3-2 is a strip-shaped step, 3-3 is a cylindrical step, 4 is a pressing mechanism, 4-1 is a base, 4-2 is a hinging seat, 4-3 is a T-shaped rod, 4-4 is a rocker, 4-5 is a connecting rod, 4-6 is a pressure head, 5 is a universal adjusting mechanism, 5-1 is a fixed seat, 5-2 is a round rod I,5-3 is a steering seat I,5-4 is a round rod II,5-5 is a steering seat II,5-6 is a round rod III,6 is a welding mechanism, 6-1 is a mounting seat I,6-2 is a welding cylinder, 6-3 is a mounting seat II,6-4 is a welding gun, a is an adjusting angle plate and b is a nut. As can be seen from the figure, the welding fixture for the automobile seat adjusting angle plate nut comprises a base plate 1, a rotating mechanism 2, a positioning mechanism 3, a pressing mechanism 4, a universal adjusting mechanism 5 and a welding mechanism 6, wherein the base plate 1 is a rectangular plate, the rotating mechanism 2 comprises a rotating device 2-1 and a rotating table top 2-2, the rotating device 2-1 is fixed at the center of the base plate, the rotating table top 2-2 is fixed at the upper end of a rotating shaft of the rotating device, and the positioning mechanism 3 comprises an inverted L-shaped clamping groove 3-1, The device comprises a rotary table top, a plurality of reverse L-shaped clamping grooves 3-1, two strip-shaped steps 3-2 and cylindrical steps 3-3, wherein the notch of the reverse L-shaped clamping groove 3-1 is fixed on the rear side of the rotary table top forwards, the height of the notch is matched with the thickness of an adjusting angle plate, the two strip-shaped steps 3-2 are respectively fixed on two sides of the front end of the rotary table top, the cylindrical steps 3-3 are fixed at the center of the rotary table top, the diameter and the height of the cylindrical steps are matched with the inner diameter and the thickness of a nut, the reverse L-shaped clamping grooves and the fixing positions of the strip-shaped steps are used for sequentially inserting a strip-shaped through hole in the middle of the adjusting angle plate and the nut on the cylindrical steps, and when the nut is positioned at a set welding position of the adjusting angle plate, the rear end of a bottom plate of the adjusting angle plate is just clamped in the notch of the reverse L-shaped clamping groove, The bar-shaped steps are just positioned at rectangular notches on two sides of the front end of the bottom plate of the adjusting angle plate respectively, the pressing mechanism 4 is fixed on a rotating table top at the front end of the bottom plate of the adjusting angle plate, the pressing head is positioned right above a cylindrical step of the positioning mechanism, the universal adjusting mechanism 5 comprises a fixed seat 5-1, a round rod I5-2, a steering seat I5-3, a round rod II5-4, a steering seat II5-5 and a round rod III5-6, the fixed seat 5-1 is a cylinder body with the steps and is fixed at one corner of the substrate, and the round rod I, The round bar II and the round bar III are hollow round straight bars with diameters matched with inner holes of a fixed seat, the steering seat I and the steering seat II are cuboid in shape, through holes are respectively formed in centers of two ends of two adjacent sides of the cuboid in a mutually perpendicular mode, the diameters of the through holes are matched with the outer diameters of the round bars, fastening gaps and fastening bolts are arranged on the outer sides of the through holes, the round bar I is vertically inserted into the inner holes of the fixed seat, one through hole of the steering seat I5-3 is sleeved on the upper end of the round bar I5-2, the other through hole of the steering seat I5-3 is sleeved on the round bar II5-4, one through hole of the steering seat II5-5 is sleeved on the upper end of the round bar II, the other through hole of the steering seat II is sleeved on the round bar III5-6, and the welding mechanism 6 comprises a mounting seat I6-1, The welding device comprises a welding cylinder 6-2, a mounting seat II6-3 and a welding gun 6-4, wherein the mounting seat I6-1 is cuboid in shape, a through hole is formed in the center of one end of the cuboid of the mounting seat I and sleeved on a round rod III through the through hole, a support plate is arranged at the other end of the cuboid, the welding cylinder 6-2 is fixedly arranged on the support plate of the mounting seat I, the mounting seat II6-3 is fixedly arranged on a piston of the welding cylinder, and the welding gun 6-4 is fixedly arranged on the mounting seat II. According to the welding tool for the nut of the adjusting angle plate of the automobile seat, the nut is fixed at the set welding position of the adjusting angle plate by adopting the pressing mechanism, and the welding process is controlled by adopting the welding cylinder and the rotating device. During specific operation, the welding gun is firstly adjusted to a set position through the universal adjusting mechanism, so that the welding gun is just positioned at a welding position when the piston of the welding cylinder stretches out; the welding device comprises a cylindrical step, a pressing mechanism, a welding cylinder, a welding gun, a rotating device and a rotating table board, wherein the cylindrical step is provided with a strip-shaped through hole in the middle of the adjusting angle plate, the nut is sequentially inserted on the cylindrical step, the pressing mechanism is pulled to enable the pressing head to press and fix the nut at a set welding position, the welding cylinder is started, the welding gun stretches out of the welding position and starts to weld, and meanwhile, the rotating device is started, and the rotating table board drives the adjusting angle plate and the nut to rotate together and finish welding under the condition of rotation. therefore, the welding tool for the automobile seat adjusting angle plate nut has the beneficial technical effects that the adjusting angle plate and the nut can be fixed and then welded, and the automatic welding is adopted, so that the labor intensity is reduced, the production efficiency is improved, and the product quality is also improved.
The pressing mechanism is one of the preferable schemes, and is a four-bar mechanism, and comprises a base, a hinging seat, a T-shaped rod, a rocker, a connecting rod and a pressing head, wherein the base is a cuboid and is fixed on a rotating table top at the front end of a bottom plate of an adjusting angle plate, the hinging seat is fixed on the upper surface of the base, hinging holes are formed in the front end and the rear end of the hinging seat, the bottom of a vertical edge of the T-shaped rod is hinged with the front end of the hinging seat, the rear side of a transverse edge of the T-shaped rod is provided with a hinging hole, the front end of the rocker is hinged with the rear side of the transverse edge of the T-shaped pressing head, the middle part of the rocker is provided with a hinging hole, the rear end of the connecting rod is hinged with the middle part of the rocker, the other end of the connecting rod is hinged with the rear end of the hinging seat, and the pressing head is arranged on the front side of the transverse edge of the T-shaped rod. The compressing mechanism adopts the four-bar mechanism, fully utilizes the self-locking function of the four-bar mechanism, and ensures that the nut cannot loosen in the welding process. The spanner is lifted upwards, the pressure head is lifted, the welded adjusting angle plate can be taken out or the adjusting angle plate and the nut are installed, the spanner is pressed downwards, the pressure head descends, and the nut is pressed and fixed at a set welding position.
In order to adapt to the welding positions of different nuts, as one of the preferable schemes, the front side of the transverse edge of the T-shaped rod is provided with a strip-shaped through hole, and the pressure head is arranged in the strip-shaped hole. The pressing fixing position of the pressing head can be adjusted by adjusting the position of the pressing head in the T-shaped bar-shaped through hole.
Obviously, the welding tool for the automobile seat adjusting angle plate nut has the beneficial technical effects that the adjusting angle plate and the nut can be fixed and then welded, and the automatic welding is adopted, so that the labor intensity is reduced, the production efficiency is improved, and the product quality is also improved.