CN213224717U

CN213224717U - Semi-automatic welding device for automobile water falling groove

Info

Publication number: CN213224717U
Application number: CN202021730271.XU
Authority: CN
Inventors: 方立锋; 徐培华; 李向阳; 王欢; 陈小波
Original assignee: Shentong Technology Group Co Ltd
Current assignee: Shentong Technology Group Co Ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-05-18
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a car groove semi-automatic welding device that falls into water, including workstation, welding set, welding jig and controller, welding set includes pole setting, slider, flexible arm and welder, and the pole setting is fixed to be set up on the workstation, and the slider cover is established in the pole setting, flexible arm perpendicular to pole setting and flexible arm and slider fixed connection, welder are fixed to be set up at the free end of flexible arm, and the balancer has been installed to the upper end of pole setting, and the slider is connected with the balancer, is equipped with laser displacement sensor and displacement sensor on the flexible arm, still be equipped with air blowing cooling device and supersonic generator on the workstation, every welding point is equipped with specific position parameter, and supersonic generator works when supersonic generator removed to the welding point. The utility model can weld at fixed points, the welding gun only works at a specific position, thereby avoiding wrong welding and multiple welding and avoiding misoperation; the welding depth can be detected, and the welding quality can be controlled.

Description

Semi-automatic welding device for automobile water falling groove

Technical Field

The utility model belongs to the technical field of the welding equipment technique and specifically relates to a semi-automatic welding device of car groove of falling into water is related to.

Background

With the development of the automobile industry, people have higher and higher requirements on the quality of automobiles. The automobile water falling groove is a part which can be seen after the automobile rear cover is opened, belongs to B + type parts, has very high surface quality requirement, and has the surface quality requirement equal to that of an automobile outer cover piece. Therefore, the welding of the water falling groove has high requirements on the surface quality grade of parts, and the indentation depth of a welding spot cannot exceed 15%. At present, the arc-shaped electrode cap is adopted for welding the water falling groove of the car, a common clamp is adopted for clamping, the indentation depth of a welding spot cannot be ensured, and the welding quality cannot meet the requirements of customers; the welding spot position welding can not be accurately found in manual welding, the condition that welding spots are mistakenly printed or printed more exists, the welding depth can not be controlled, the size of the conventional welding gun is large, labor is wasted in use, and the welding spot position welding can not be accurately found.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome prior art's welding position can't be fixed, the condition that the solder joint was beaten by mistake or was beaten more appears easily, and the unable problem that detects and control of depth of weld provides a car groove semi-automatic welding device that falls into water, and simple structure is not in the solder joint position, and welder is out of work, through addding laser displacement sensor, can reach the depth of weld of solder joint.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a semi-automatic welding set of car groove of falling into water, includes workstation, welding set, welding jig and controller, welding set includes pole setting, slider, flexible arm and ultrasonic welding rifle, the pole setting is fixed to be set up on the workstation, the slider cover is established in the pole setting, flexible arm perpendicular to pole setting and flexible arm and slider fixed connection, the fixed free end that sets up at flexible arm of ultrasonic welding rifle, the upper end of pole setting is equipped with the equalizer, the slider is connected with the equalizer, is equipped with the laser displacement sensor who is used for height measurement and is used for measuring the displacement sensor of flexible arm's flexible length on the flexible arm, still be equipped with gas blowing cooling device and supersonic generator on the workstation, the controller is connected with supersonic generator, ultrasonic welding rifle, laser displacement sensor and displacement sensor, and every welding point is equipped with specific position parameter, when the ultrasonic welding gun moves to the welding point, the ultrasonic generator works.

The slide block is sleeved on the vertical rod, so the slide block can slide up and down on the vertical rod, the telescopic arm is fixedly connected with the slide block, and the welding gun is fixedly arranged at the free end of the telescopic arm, so the welding gun can rotate 360 degrees by taking the vertical rod as an axis and can slide up and down along the vertical rod, after a worker rotates to a welding position by holding ultrasonic waves by hand, the welding position is determined by a displacement sensor for measuring the telescopic length of the telescopic arm and a laser displacement sensor for measuring the height on the telescopic arm, the ultrasonic generator automatically sends waves to start welding, a specific X value and a specific Z value are set for each welding spot through a controller editing program, the X value of the welding gun is calculated by the displacement sensor, the Z value of the welding gun is calculated by the laser displacement sensor, when the X value and the Z value of the welding gun are respectively identical to the X value and the Z value of the welding spot, the, the solder joint quantity is beaten many to can measure and calculate the depth of weld of every solder joint through laser displacement sensor, to novice, the easy operation is compared in traditional welding equipment, the operation degree of difficulty is at the bottom, the balancer has been installed to the upper end of pole setting, the balancer is connected with the slider, make when operating welder more convenient, it is more laborsaving, the cooling device that blows can in time be solder joint and solder joint around the cooling down when the welding, avoid taking place deformation because of overheated around the solder joint.

Preferably, the welding fixture comprises a pressing mechanism, a profiling mold and a positioning pin which are arranged on the inclined plane, the pressing mechanism comprises a rotating shaft, a pressing block, a gear, a rack and a cylinder, the pressing block is fixedly arranged on the rotating shaft, the gear is fixedly arranged at one end of the rotating shaft, the rack is meshed with the gear, and one end of the rack is fixedly connected with a piston shaft of the cylinder. Through the fixed groove of falling into water of profiling and locating pin, thereby the rack reciprocates and makes gear drive is driven in the upper and lower removal of cylinder piston axle, and the pivot rotates and makes the briquetting compress tightly and open, and the briquetting all sets up in the pivot, has realized the work of a plurality of briquettings of cylinder control simultaneously through one.

Preferably, the ultrasonic welding gun comprises a gun head, a transducer and a contact switch.

Preferably, the blowing cooling device comprises an air pipe and a nozzle, the nozzle is fixedly arranged at the free end of the telescopic arm, one end of the nozzle is connected with the air pipe, and the other end of the nozzle is close to the head of the ultrasonic welding gun and is aligned with the head. The nozzle aims at the head of the ultrasonic welding gun, and timely reduces heat for the welding spot and the periphery of the welding spot during welding, so that deformation caused by overheating around the welding spot is avoided.

Preferably, the workbench is provided with a display screen, the display screen is connected with the controller, and the deviation degree of the ultrasonic welding gun during welding of each welding point is displayed in real time.

Preferably, the bottom end of the upright rod is provided with a base with a convex cross section, the upright rod is fixedly connected with the base, and the base is fixedly connected with the table top of the workbench. The base that the cross section is the type of calligraphy is bigger with the mesa area of workstation, and the pole setting alternates inside the base for the pole setting is fixed more firmly on the workstation mesa.

Preferably, a cylinder for placing an ultrasonic welding gun is arranged at the upper right corner of the table top of the workbench, a notch is formed in one side, close to the welding fixture, of the cylinder, and the width of the notch is larger than the maximum width of a gun head of the ultrasonic welding gun. Place ultrasonic welding gun in the drum after the welding is accomplished, avoid operating personnel to be scalded by welder, the drum is close to welding jig one side and is equipped with the breach, has simplified welder and has put into and take out the operation route of drum, need not to promote welder to put into directly over the drum, can directly put into from the breach, has improved work efficiency.

Therefore, the utility model discloses following beneficial effect has: (1) fixed-point welding, wherein a welding gun only works at a specific position, so that wrong welding and multiple welding are avoided, and misoperation is avoided; (2) the welding depth can be detected, and the welding quality can be controlled; (3) simple structure, convenient operation, laborsaving has improved work efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the welding device of the present invention;

FIG. 3 is a schematic structural view of the welding jig of the present invention;

fig. 4 is a schematic structural diagram of the water falling groove of the present invention.

In the figure: 1. the device comprises a welding device 2, a welding fixture 3, a water falling groove 4, an ultrasonic generator 5, a display screen 6, a workbench 7, a small cover plate 1-1, an upright rod 1-2, a telescopic arm 1-3, an ultrasonic welding gun 1-4, a balancer 1-5, a displacement sensor 1-6, a laser displacement sensor 1-7, a transducer 1-8, a contact switch 1-9, a base 1-10, a sliding block 2-1, a rotating shaft 2-2, a pressing block 2-3, a profiling mold 2-4, a rack 2-5, a gear 2-6, an air cylinder 2-7, a positioning pin 2-8, a rotating shaft fixing seat 3-1, a welding point 3-2 and a positioning hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment 1 shown in fig. 1 to 4, the semiautomatic welding device for the automobile water falling groove of the invention comprises a workbench 6, a welding device 1, a welding fixture 2 and a controller, wherein the workbench is a sectional material frame with a cross section in 6 shape, and comprises a rectangular table top, rollers arranged at 4 corners of the bottom end of the workbench and a lamp tube arranged at the top end of the workbench, the rollers are convenient for the workbench to move, the lamp tube is used for increasing the illumination intensity and easily finding a welding point 3-1, an ultrasonic generator 4 is arranged on the workbench and is positioned at the lower right corner of the table top of the workbench, the welding device comprises a cylindrical vertical rod 1-1, a cuboid-shaped sliding block 1-10, a telescopic arm 1-2 and an ultrasonic welding gun 1-3, the vertical rod is fixedly arranged at the inner side of the workbench and is perpendicular to the table top, the slider cover is established in the pole setting, can slide from top to bottom and the horizontal rotation in the pole setting, flexible arm is a cuboid sleeve, and two smooth straight-bars in surface have been cup jointed to inside, and the cuboid sleeve and the slider fixed connection of flexible arm perpendicular to pole setting and flexible arm of flexible arm, ultrasonic welding gun is fixed to be set up in the free end of flexible arm, and welding gun perpendicular to the mesa of workstation for the power when welding gun pushes down is whole to be acted on the solder joint, two balancers 1-4 have been installed to the upper end of pole setting, are located the both sides of pole setting respectively, the slider hangs with the balancer and connects, is equipped with the laser displacement sensor 1-6 that is used for measuring height and the displacement sensor 1-5 that is used for measuring flexible arm length on the flexible arm, and laser displacement sensor is located the cross section of pole setting and flexible arm, controller, The laser displacement sensor is connected with the displacement sensor, the position of the telescopic arm is taken as an X axis, the X axis changes along with the continuous change of the position of the telescopic arm, when the telescopic arm is completely contracted, the position of a welding gun head is taken as a zero point, the position of a vertical rod is taken as a Z axis, a table board of a workbench is taken as a reference surface, a specific X value and a specific Z value are set for each welding spot through a controller editing program, when the position of the welding gun head meets the X value and the Z value at the same time, the ultrasonic generator works, and the ultrasonic welding gun works; the welding fixture comprises a pressing mechanism, a profiling mold 2-3 and positioning pins 2-7 which are arranged on an inclined plane, the welding fixture is in an inclined plane shape, when the water falling groove 3 is fixed on the fixture, all welding points are vertical to the surface of a workbench table, the welding effect is improved, the profiling mold is distributed on the upper side and the lower side of the inclined plane and used for fixing the water falling groove, the positioning pins are used for further fixing the water falling groove, the position of the water falling groove is ensured to be accurate, 4 welding points protruding out of the water falling groove are arranged on the water falling groove, 4 welding holes adaptive to the welding points are arranged on a small cover plate 7, the pressing mechanism comprises a rotating shaft 2-1, a pressing block 2-2, a gear 2-5, a rack 2-4, an air cylinder 2-6 and a rotating shaft fixing seat 2-8, two ends of the rotating shaft are arranged in the rotating shaft, the device comprises a rotating shaft, a plurality of pressing blocks, a welding gun, a gear, a rack, a welding fixture and a rotating shaft, wherein the number of the pressing blocks is three, the three pressing blocks are fixedly arranged on the rotating shaft, the three pressing blocks are respectively arranged at the left end, the middle part and the right end of the rotating shaft, each pressing block comprises a pressing plate and a pressing rod, the pressing plate of the pressing block at the right end is provided with a U-shaped notch, so that the welding gun can extend into the U-shaped notch to weld, fixed points are increased, and welding work is not interfered; the ultrasonic welding gun comprises a gun head, transducers 1-7 and contact switches 1-8; the workbench is also provided with an air blowing cooling device, the air blowing cooling device comprises an air pipe and a nozzle, the nozzle is fixedly arranged at the free end of the telescopic arm, one end of the nozzle is connected with the air pipe, and the other end of the nozzle is close to the head of the ultrasonic welding gun and is aligned with the head of the ultrasonic welding gun to cool a welding area, so that the phenomenon that the temperature is too high and the welding area is deformed is prevented; a display screen 5 is arranged at the upper right corner of the workbench and is connected with the controller, so that the offset degree of each point X value and Z value during welding is displayed in real time, and the yield is recorded; the bottom end of the upright rod is provided with a base 1-9 with a convex cross section, the upright rod is fixedly connected with the base, and the base is fixedly connected with the table top of the workbench; the welding jig is characterized in that a cylinder for placing an ultrasonic welding gun is arranged at the upper right corner of the table top of the working table, a notch is formed in one side, close to the welding jig, of the cylinder, and the width of the notch is larger than the maximum width of a gun head of the ultrasonic welding gun.

The method comprises the steps of placing a water falling groove on a profiling mold, aligning a positioning hole 3-2 on the water falling groove with a positioning pin on a welding fixture to be inserted, enabling the water falling groove to be accurately fixed on the welding fixture, aligning 4 welding holes on a small cover plate with 4 protruding welding points on the water falling groove, opening an air cylinder, enabling a pressing block to simultaneously press the water falling groove and the small cover plate, taking an ultrasonic welding gun out of a cylinder, pulling the ultrasonic welding gun to a first welding point, pressing a gun head of the welding gun on a welding point, pressing a contact switch, enabling the welding gun to be incapable of working if an X value and a Z value of the position of the gun head of the welding gun are inconsistent with a set X value and a set Z value of the welding point, enabling an ultrasonic generator to automatically conduct normal wave and start welding if the X value and the Z value of the position of the gun head of. The utility model discloses can avoid the solder joint position to beat by mistake, solder joint quantity is beaten many to can calculate out the depth of weld of every solder joint through the Z value change, to novice, the easy shang shou compares in traditional welding equipment, operates at the bottom of the degree of difficulty, and the balancer has been installed to the upper end of pole setting, and the balancer is connected with the slider, makes more convenient during operation welder, more laborsaving.

Claims

1. A semi-automatic welding device for an automobile water falling groove is characterized by comprising a workbench (6), a welding device (1), a welding fixture (2) and a controller, wherein the welding device comprises a vertical rod (1-1), a sliding block (1-10), a telescopic arm (1-2) and an ultrasonic welding gun, the vertical rod is fixedly arranged on the workbench, the sliding block is sleeved on the vertical rod, the telescopic arm is perpendicular to the vertical rod and is fixedly connected with the sliding block, the ultrasonic welding gun is fixedly arranged at the free end of the telescopic arm, a balancer (1-4) is arranged at the upper end of the vertical rod, the sliding block is connected with the balancer, a laser displacement sensor (1-6) for measuring the height and a displacement sensor (1-5) for measuring the telescopic length of the telescopic arm are arranged on the telescopic arm, and an air blowing cooling device and an ultrasonic generator are further arranged on the workbench, the controller is connected with the ultrasonic generator, the ultrasonic welding guns, the laser displacement sensors and the displacement sensors, each welding point is provided with specific position parameters, and when the ultrasonic welding guns move to the welding points, the ultrasonic generator works.

2. The semiautomatic welding device for the sink trough of the automobile as claimed in claim 1, wherein the welding fixture comprises a pressing mechanism, a profiling (2-3) and a positioning pin (2-7) which are arranged on a slope, the pressing mechanism comprises a rotating shaft (2-1), a pressing block (2-2), a gear (2-5), a rack (2-4) and a cylinder (2-6), the pressing block is fixedly arranged on the rotating shaft, the gear is fixedly arranged at one end of the rotating shaft, the rack is meshed with the gear, and one end of the rack is fixedly connected with a piston shaft of the cylinder.

3. The semi-automatic welding device for the automobile water falling groove according to claim 1, wherein the ultrasonic welding gun comprises a gun head, transducers (1-7) and contact switches (1-8).

4. The semi-automatic welding device for the water falling groove of the automobile as claimed in claim 3, wherein the blowing cooling device comprises an air pipe and a nozzle, the nozzle is fixedly arranged at the free end of the telescopic arm, one end of the nozzle is connected with the air pipe, and the other end of the nozzle is close to and aligned with the head of the ultrasonic welding gun.

5. The semi-automatic welding device for the automobile water falling groove is characterized in that a display screen (5) is arranged on the workbench and is connected with a controller, and the offset degree of an ultrasonic welding gun when each welding point is welded is displayed in real time.

6. The semiautomatic welding device for the automobile water falling groove as claimed in claim 1, wherein the bottom end of the upright is provided with a base (1-9) with a convex cross section, the upright is fixedly connected with the base, and the base is fixedly connected with the table top of the workbench.

7. The semiautomatic welding device for the water falling groove of the automobile as claimed in claim 3, wherein a cylinder for placing an ultrasonic welding gun is arranged at the upper right corner of the worktable, a notch is arranged on one side of the cylinder close to the welding fixture, and the width of the notch is larger than the maximum width of the gun head of the ultrasonic welding gun.