Car seat adjustment angle plate nut welding tool

Abstract

In order to solve the problems of complicated operation, low efficiency and difficulty in ensuring quality in the prior art welding method of automobile seat adjustment angle plate nuts, the utility model proposes a welding tool for automobile seat adjustment angle plate nuts, including a base plate, a rotating mechanism, a positioning mechanism, a clamping mechanism, a universal adjustment mechanism and a welding mechanism; the base plate is a rectangular plate; the rotating mechanism includes a rotating device and a rotating table; the positioning mechanism includes an inverted L-shaped slot, a strip step and a cylindrical step; the clamping mechanism is fixed above the rotating table at the front end of the bottom plate of the adjustment angle plate; the universal adjustment mechanism includes a fixing seat, round rod I, round rod II, round rod III, steering seat I and steering seat II; the beneficial technical effect of the utility model is that the adjustment angle plate and the nut can be fixed before welding, and automatic welding is adopted, which not only reduces labor intensity and improves production efficiency, but also improves product quality.

Description

Technical Field

[0001] The utility model relates to a welding technology for adjusting angle plate nuts of automobile seats, in particular to a welding tool for adjusting angle plate nuts of automobile seats. Background Art

[0002] The car seat adjustment angle plate is a sheet metal stamping part (hereinafter referred to as the adjustment angle plate), which has a rectangular shape, with flanges stamped on both sides, and four strip through holes stamped on the bottom plate (usually the middle part of the flanges on both sides is called the bottom plate); among them, three strip through holes are vertically arranged at intervals in the middle and rear part of the bottom plate, and one strip through hole is horizontally arranged in the middle and front part of the bottom plate; in addition, rectangular notches are arranged on both sides of the front end of the bottom plate. After the stamping process of the adjustment angle plate is completed, it is necessary to weld a nut at the center of the bottom plate on the inner side of the flange for easy installation and adjustment. In addition, the welding position of the nut coincides with the front end of the strip through hole in the middle of the bottom plate, so that the bolt can be inserted into the nut from the back side of the adjustment angle plate (see attached Figure 1 , in the figure, a is the adjustment angle plate and b is the nut).

[0003] The prior art method for welding the nut of the adjustable angle plate of the automobile seat adopts manual welding. When welding, the adjustable angle plate is first placed on the work surface, and then the nut is placed at the welding position, and then the welding is performed manually. In addition to being cumbersome and inefficient, this method is also difficult to ensure quality.

[0004] Obviously, the existing method for welding nuts for adjusting angle plates of automobile seats has the problems of complicated operation, low efficiency and difficulty in ensuring quality. Summary of the invention

[0005] In order to solve the problems of the prior art welding method for adjusting angle plate nuts of automobile seats, such as complicated operation, low efficiency and difficulty in ensuring quality, the utility model proposes a welding tool for adjusting angle plate nuts of automobile seats.

[0006] The utility model discloses a welding tool for adjusting the angle plate nut of a car seat, comprising a base plate, a rotating mechanism, a positioning mechanism, a clamping 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; the rotating device is fixed at the center of the base plate; the rotating table is fixed at the upper end of the rotating shaft of the rotating device; the positioning mechanism comprises an inverted L-shaped slot, a strip step and a cylindrical step; the notch of the inverted L-shaped slot is fixed forward to the rear side of the rotating table, and the height of the notch matches the thickness of the adjusting angle plate; there are two strip steps, which are respectively fixed at the front end of the rotating table. on both sides; the cylindrical step is fixed at the center of the rotating table, and its diameter and height match the inner diameter and thickness of the nut; the fixed positions of the inverted L-shaped slot and the strip step are such that after the strip through hole in the middle of the adjusting angle plate and the nut are sequentially inserted into the cylindrical step, and the nut is in the set welding position of the adjusting angle plate, the rear end of the bottom plate of the adjusting angle plate is just clamped in the notch of the inverted L-shaped slot, and the strip step is just located at the rectangular notches on both sides of the front end of the bottom plate of the adjusting angle plate; the clamping mechanism is fixed on the rotating table at the front end of the bottom plate of the adjusting angle plate, and the pressure head is located directly above the cylindrical step of the positioning mechanism; The universal adjustment mechanism comprises a fixed seat, a round rod I, a round rod II, a round rod III, a steering seat I and a steering seat II; the fixed seat is a cylinder with an outer step, fixed at a corner of a base plate; the round rod I, the round rod II and the round rod III are all hollow round straight rods, and their diameters match the inner hole of the fixed seat; the outer shapes of the steering seat I and the steering seat II are both rectangular parallelepiped, and through holes are respectively arranged perpendicularly to each other at the centers of the two ends of the two adjacent faces of the rectangular parallelepiped; the diameter of the through hole matches the outer diameter of the round rod, and a fastening gap and a fastening bolt are arranged on the outside of the through hole; wherein the round rod I is vertically inserted into the inner hole of the fixed seat; the steering seat One through hole of the steering seat I is sleeved on the upper end of the round rod I, and the other through hole 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, and the other through hole is sleeved on the round rod III; the welding mechanism includes a mounting seat I, a welding cylinder, a mounting seat II and a welding gun; the mounting seat I is a rectangular parallelepiped, a through hole is provided at the center of one end of the rectangular parallelepiped of the mounting seat I and is sleeved on the round rod III through the through hole, and a support plate is provided at the other end; the welding cylinder is fixedly mounted on the support plate of the mounting seat I; the mounting seat II is fixedly mounted on the piston of the welding cylinder; the welding gun is fixedly mounted on the mounting seat II.

[0007] Furthermore, the clamping mechanism is a four-bar mechanism, including a base, an articulated seat, a T-bar, a rocker, a connecting rod and a pressure head; the base is a rectangular parallelepiped, fixed on the rotating table at the front end of the bottom plate of the adjusting angle plate; the articulated seat is fixed on the upper surface of the base, and hinge holes are provided at both the front and rear ends of the articulated seat; the bottom of the vertical side of the T-bar is hinged to the front end of the articulated seat, and a hinge hole is provided on the rear side of the horizontal side of the T-bar; the rocker is long and narrow, and its front end is hinged to the rear side of the horizontal side of the T-shaped pressure head, the middle part is provided with a hinge hole, and the rear section is a wrench; one end of the connecting rod is hinged to the middle part of the rocker, and the other end is hinged to the rear end of the articulated seat; the pressure head is arranged on the front side of the horizontal side of the T-bar.

[0008] Furthermore, a strip-shaped through hole is provided on the front side of the horizontal side of the T-shaped rod, and the pressure head is installed in the strip-shaped hole.

[0009] The beneficial technical effect of the welding tool for adjusting the angle plate and the nut of the automobile seat of the utility model is that the adjusting angle plate and the nut can be fixed before welding, and automatic welding is adopted, which not only reduces the labor intensity and improves the production efficiency, but also improves the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Attached Figure 1 It is a three-dimensional schematic diagram of the car seat adjustment angle plate nut before and after welding;

[0011] Attached Figure 2 It is a three-dimensional schematic diagram of the welding tooling for adjusting the angle plate nut of the automobile seat of the utility model;

[0012] Attached Figure 3 It is a three-dimensional schematic diagram of the clamping mechanism of the utility model;

[0013] Attached Figure 4 It is a three-dimensional schematic diagram of the universal adjustment mechanism and welding mechanism of the utility model;

[0014] Attached Figure 5 It is a three-dimensional schematic diagram of the fixing state of the welding tooling for adjusting the angle plate nut of the automobile seat of the utility model.

[0015] The following is a further description of the welding tool for adjusting the angle plate nut of the automobile seat of the utility model in combination with the accompanying drawings and specific implementation methods. DETAILED DESCRIPTION

[0016] Attached Figure 2 This is a three-dimensional schematic diagram of the utility model of the welding tool for adjusting the angle plate nut of the automobile seat, attached Figure 3 It is a three-dimensional schematic diagram of the clamping mechanism of the utility model, Figure 4 It is a three-dimensional schematic diagram of the universal adjustment mechanism and welding mechanism of the utility model. Figure 5It is a three-dimensional schematic diagram of the fixed state of the welding tooling of the nut of the adjustable angle plate of the automobile seat of the 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, 3 is a positioning mechanism, 3-1 is an inverted L-shaped slot, 3-2 is a strip step, 3-3 is a cylindrical step, 4 is a clamping mechanism, 4-1 is a base, 4-2 is a hinged 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 adjustment 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 adjustable angle plate, and b is a nut.As can be seen from the figure, the utility model of the welding tool for adjusting the angle plate nut of the automobile seat includes a base plate 1, a rotating mechanism 2, a positioning mechanism 3, a clamping mechanism 4, a universal adjustment mechanism 5 and a welding mechanism 6; the base plate 1 is a rectangular plate; the rotating mechanism 2 includes a rotating device 2-1 and a rotating table 2-2; the rotating device 2-1 is fixed at the center of the base plate; the rotating table 2-2 is fixed to the upper end of the rotating shaft of the rotating device; the positioning mechanism 3 includes an inverted L-shaped slot 3-1, a strip step 3-2 and a cylindrical step 3-3; the notch of the inverted L-shaped slot 3-1 is fixed forward to the rear side of the rotating table, and the notch height matches the thickness of the adjusting angle plate; the strip step 3-2 is Two, respectively fixed on both sides of the front end of the rotating table; the cylindrical step 3-3 is fixed at the center of the rotating table, and its diameter and height match the inner diameter and thickness of the nut; the fixed position of the inverted L-shaped slot and the strip step is to insert the strip through hole and the nut in the middle of the adjusting angle plate into the cylindrical step in sequence, and when the nut is in the set welding position of the adjusting angle plate, the rear end of the bottom plate of the adjusting angle plate is just clamped in the notch of the inverted L-shaped slot, and the strip step is just located at the rectangular notches on both sides of the front end of the bottom plate of the adjusting angle plate; the clamping mechanism 4 is fixed on the rotating table at the front end of the bottom plate of the adjusting angle plate, and the pressure head is located directly above the cylindrical step of the positioning mechanism; the universal adjustment mechanism 5, It includes 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 with an external step, fixed at a corner of the base plate; the round rods Ⅰ, Ⅱ and Ⅲ are all hollow straight round rods, and their diameters match the inner hole of the fixed seat; the outer shapes of the steering seats Ⅰ and Ⅱ are both rectangular parallelepiped, and through holes are respectively arranged perpendicularly to each other at the centers of the two ends of the two adjacent faces of the rectangular parallelepiped; the diameter of the through hole matches the outer diameter of the round rod, and a fastening gap and a fastening bolt are arranged on the outside of the through hole; wherein the round rod Ⅰ is vertically inserted into the inner hole of the fixed seat; a through hole of the steering seat Ⅰ5-3 is fitted At the upper end of round rod Ⅰ5-2, another through hole is sleeved on round rod Ⅱ5-4; one through hole of the steering seat Ⅱ5-5 is sleeved on the upper end of round rod Ⅱ, and the other through hole is sleeved on round rod Ⅲ5-6; the welding mechanism 6 includes a mounting seat Ⅰ6-1, a welding cylinder 6-2, a mounting seat Ⅱ6-3 and a welding gun 6-4; the mounting seat Ⅰ6-1 is a rectangular parallelepiped, a through hole is set at the center of one end of the rectangular parallelepiped of the mounting seat Ⅰ and is sleeved on round rod Ⅲ through the through hole, and a support plate is set at the other end; the welding cylinder 6-2 is fixedly mounted on the support plate of the mounting seat Ⅰ; the mounting seat Ⅱ6-3 is fixedly mounted on the piston of the welding cylinder; the welding gun 6-4 is fixedly mounted on the mounting seat Ⅱ. The utility model adopts a clamping mechanism to fix the nut at the set welding position of the adjusting angle plate of the automobile seat, and adopts a welding cylinder and a rotating device to control the welding process.During the specific operation, first adjust the welding gun to the set position through the universal adjustment mechanism, so that when the piston of the welding cylinder is extended, the welding gun is exactly in the welding position; insert the strip through hole and nut in the middle of the adjusting angle plate into the cylindrical step in sequence, and pull the clamping mechanism so that the pressure head clamps the nut and fixes it in the set welding position; turn on the welding cylinder, extend the welding gun to the welding position and start welding, and at the same time, turn on the rotating device, rotate the table to drive the adjusting angle plate and nut to rotate together, and complete the welding under the rotation. It can be seen that the beneficial technical effect of the utility model of the welding tool for adjusting angle plate and nut of automobile seat is that it can fix the adjusting angle plate and nut before welding, and adopts automatic welding, which not only reduces labor intensity and improves production efficiency, but also improves product quality.

[0017] As one of the preferred solutions, the clamping mechanism is a four-bar mechanism, including a base, an articulated seat, a T-bar, a rocker, a connecting rod and a pressure head; the base is a rectangular parallelepiped, fixed on the rotating table at the front end of the bottom plate of the adjusting angle plate; the articulated seat is fixed on the upper surface of the base, and hinge holes are provided at both the front and rear ends of the articulated seat; the bottom of the vertical side of the T-bar is hinged to the front end of the articulated seat, and a hinge hole is provided on the rear side of the horizontal side of the T-bar; the rocker is an elongated strip, and its front end is hinged to the rear side of the horizontal side of the T-shaped pressure head, and the middle part is provided with a hinge hole, and the rear section is a wrench; one end of the connecting rod is hinged to the middle part of the rocker, and the other end is hinged to the rear end of the articulated seat; the pressure head is provided on the front side of the horizontal side of the T-bar. The clamping mechanism of the utility model adopts a four-bar mechanism, which makes full use of the self-locking function of the four-bar mechanism to ensure that the nut will not loosen during the welding process. Lift the wrench upwards and the pressure head will rise, and you can take out the welded adjustment angle plate or install the adjustment angle plate and nut; press the wrench downwards and the pressure head will move downward to tighten and fix the nut at the set welding position.

[0018] In order to adapt to the welding positions of different nuts, as one of the preferred solutions, a strip through hole is provided on the front side of the horizontal side of the T-shaped rod, and the pressure head is installed in the strip through hole. By adjusting the position of the pressure head in the strip through hole of the T-shaped rod, the pressing and fixing position of the pressure head can be adjusted.

[0019] Obviously, the beneficial technical effect of the utility model of the automobile seat adjustment angle plate nut welding tool is that the adjustment angle plate and the nut can be fixed before welding, and the automatic welding is adopted, which not only reduces the labor intensity and improves the production efficiency, but also improves the product quality.

Claims

1. A welding tool for adjusting the angle plate nut of a car seat, characterized in that: The welding tool comprises a base plate, a rotating mechanism, a positioning mechanism, a clamping mechanism, a universal adjustment mechanism and a welding mechanism; the base plate is a rectangular plate; the rotating mechanism comprises a rotating device and a rotating table; the rotating device is fixed at the center of the base plate; the rotating table is fixed at the upper end of the rotating shaft of the rotating device; the positioning mechanism comprises an inverted L-shaped slot, a strip step and a cylindrical step; the notch of the inverted L-shaped slot is fixed forward to the rear side of the rotating table, and the height of the notch matches the thickness of the adjusting angle plate; there are two strip steps, which are respectively fixed at the two sides of the front end of the rotating table; the cylindrical The step is fixed at the center of the rotating table, and its diameter and height match the inner diameter and thickness of the nut; the fixing positions of the inverted L-shaped slot and the strip step are such that after the strip through hole in the middle of the adjusting angle plate and the nut are sequentially inserted into the cylindrical step, and when the nut is in the set welding position of the adjusting angle plate, the rear end of the bottom plate of the adjusting angle plate is just clamped in the notch of the inverted L-shaped slot, and the strip step is just located at the rectangular notches on both sides of the front end of the bottom plate of the adjusting angle plate; the clamping mechanism is fixed on the rotating table at the front end of the bottom plate of the adjusting angle plate, and the pressure head is located directly above the cylindrical step of the positioning mechanism; The universal adjustment mechanism comprises a fixed seat, a round rod I, a round rod II, a round rod III, a steering seat I and a steering seat II; the fixed seat is a cylinder with an external step, fixed at a corner of a base plate; the round rods I, II and III are all hollow straight round rods, and their diameters match the inner hole of the fixed seat; the outer shapes of the steering seat I and the steering seat II are both rectangular parallelepiped, and through holes are respectively arranged perpendicularly to each other at the centers of the two ends of the two adjacent faces of the rectangular parallelepiped; the diameter of the through hole matches the outer diameter of the round rod, and a fastening gap and a fastening bolt are arranged on the outside of the through hole; wherein the round rod I is vertically inserted into the inner hole of the fixed seat; the One through hole of the steering seat I is sleeved on the upper end of the round rod I, and the other through hole 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, and the other through hole is sleeved on the round rod III; the welding mechanism includes a mounting seat I, a welding cylinder, a mounting seat II and a welding gun; the mounting seat I is a rectangular parallelepiped, a through hole is provided at the center of one end of the rectangular parallelepiped of the mounting seat I and is sleeved on the round rod III through the through hole, and a support plate is provided at the other end; the welding cylinder is fixedly mounted on the support plate of the mounting seat I; the mounting seat II is fixedly mounted on the piston of the welding cylinder; the welding gun is fixedly mounted on the mounting seat II.

2. The welding tool for adjusting the angle plate nut of the automobile seat according to claim 1 is characterized in that: The clamping mechanism is a four-bar mechanism, including a base, an articulated seat, a T-bar, a rocker, a connecting rod and a pressure head; the base is a rectangular parallelepiped, fixed on the rotating table at the front end of the bottom plate of the adjusting angle plate; the articulated seat is fixed on the upper surface of the base, and hinge holes are provided at both the front and rear ends of the articulated seat; the bottom of the vertical side of the T-bar is hinged to the front end of the articulated seat, and a hinge hole is provided on the rear side of the horizontal side of the T-bar; the rocker is long and narrow, and its front end is hinged to the rear side of the horizontal side of the T-shaped pressure head, the middle part is provided with a hinge hole, and the rear section is a wrench; one end of the connecting rod is hinged to the middle part of the rocker, and the other end is hinged to the rear end of the articulated seat; the pressure head is arranged on the front side of the horizontal side of the T-bar.

3. The welding tool for adjusting the angle plate nut of the automobile seat according to claim 2 is characterized in that: A strip-shaped through hole is arranged on the front side of the horizontal side of the T-shaped rod, and the pressure head is installed in the strip-shaped hole.

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