CN205184008U - Pipe fitting automatic welder - Google Patents

Abstract

The utility model discloses a pipe fitting automatic welder, it is including pressing from both sides tight fixed position rotation device and welding machines device. Press from both sides tight fixed position rotation device and install on welded platform, including die clamping cylinder, guide rail, anchor clamps, motor, pipe fitting support, movable block, rotary clamping mechanism, fixed position rotation mechanism, the welding machines device includes welded platform, walking cylinder, grudging post, crossbearer, thread feeding mechanism, welding carriage, swing mechanism, welder etc. The utility model discloses a two component parts mutually support, and the automatic weld of complete pipe fitting has practiced thrift the manpower at whole in -process, has improved work efficiency greatly.

Description

An automatic welding device for pipe fittings

technical field

The utility model relates to a welding device, in particular to an automatic welding device for pipe fittings.

Background technique

China's manufacturing industry ranks far ahead in the world, and there are welding robots and manual welding in the welding industry. At present, articulated welding robots are commonly used in the market. This kind of robot has complex structure and generally high price. For small-scale manufacturers with a single product, purchasing this kind of robot will increase the burden on the enterprise; the production of manual welding Efficiency is limited by the physical capacity of workers, and the quality of manual welding is directly determined by personal professional skills and proficiency, which has become an important factor restricting the improvement of welding quality.

Contents of the invention

In order to overcome the shortcomings in the above background, the utility model provides a welding device that can greatly improve production efficiency and reduce manpower input.

In order to achieve the above object, the present invention adopts technical scheme as follows:

An automatic welding device for pipe fittings, including a clamping, positioning, rotating device and a welding mechanical device.

The clamping, positioning and rotating device is on the welding platform 2, the upper end of which is provided with a clamping cylinder 11, the piston rod of the clamping cylinder 11 is connected to the moving block 10, the middle part is provided with a pipe bracket 1, and the other end is provided with a rotating motor 3, The clamping, positioning and rotation of pipe fittings can be realized; the welding mechanical device includes a traveling cylinder 12, the piston rod on the traveling cylinder 12 is connected to the traveling trolley 4, and the traveling trolley 4 is provided with a stand 5, which is connected to the horizontal frame 8 , There is a wire feeding mechanism 6 on one side of the horizontal frame 8, and a welding trolley 7 on the other side. The welding torch 9 is installed on the welding trolley 7. The wire feeding mechanism 6 feeds the wire to the welding torch 9, and the swing mechanism inside the welding trolley 7 drives the welding torch 9 to swing. , for welding; in addition, a sensor is installed on the welding torch to detect the position of the weld.

The rotary clamping mechanism 13 connected to the rotary motor 3 coincides with the axis of the positioning rotary mechanism 14 at the other end; the clamping cylinder 11 moves by pushing the moving block 10 fixed on the welding platform to realize the clamping of the pipe.

In the automatic welding device for pipe fittings, the walking trolley 4 is installed at the bottom of the stand 5; in order to ensure that the welding platform runs smoothly and does not deflect during the adjustment process, the walking trolley 4 is installed on the walking guide rail 16 through the walking wheels 15, and the walking Guide rail 16 is fixed on the platform.

The structure of the welding horizontal frame 8 and the vertical frame 5 is the same, and a motor is installed at one end, and the motor is connected with the lead screw 17; The rotation of the lead screw 17 realizes the translation of the nut mechanism; in the vertical frame 5, two motors start at the same time to realize the movement of the horizontal frame 8, thereby realizing the movement of the welding trolley 7; the rotation of the horizontal frame 8 and the vertical frame 5 motors realizes the welding trolley 7 The movement in the left and right and up and down directions, and different displacements in the two directions result in different working positions of the welding carriage 7 in space.

For wider welds, a welding torch swing mechanism, that is, a worm gear swing mechanism, is installed inside the welding trolley; the motor drives the worm 23 to move so as to drive the movement of the worm wheel 24 to realize the swing of the swing rod 20 and the welding torch 9.

In order to ensure the wire feeding force, double active wire feeding is adopted, and a pair of identical gears 27 are installed on the shafts of the two wire feeding wheels 29, and the meshing of the gears 27 drives the two wire feeding wheels 29 to rotate synchronously.

The forward and backward movement of the whole welding platform depends on the synchronous action of two walking cylinders 12 .

For the wire feeding mechanism, in order to plan the route of the welding wire 26 passing the wire feeding wheel 29, a "V" shaped wheel groove 28 is opened on the wire feeding wheel 29.

Description of drawings

Figure 1 is a schematic diagram of the overall structure.

Figure 2 is a schematic diagram of the walking mechanism.

Figure 3 is a structural diagram of the screw nut transmission.

Figure 4 is a schematic diagram of the swing mechanism of the welding trolley.

Figure 5 is a schematic diagram of the wire feeding mechanism.

The labels in the figure are as follows: pipe fitting support 1; welding platform 2; rotating motor 3; traveling trolley 4; stand 5; wire feeding mechanism 6; welding trolley 7; horizontal frame 8; welding gun 9; moving block 10; ; Walking cylinder 12; Rotary clamping mechanism 13; Positioning rotating mechanism 14; Walking wheel 15; Walking guide rail 16; Lead screw 17; Slider 18; Nut 19; Swing rod 20; Sensor 21; Bearing 22; Wire feeding motor 25; Welding wire 26; Gear 27; Wheel groove 28;

detailed description

Below in conjunction with figure, the structure of the present utility model is described further.

Referring to Fig. 1, the automatic welding device for pipe fittings comprises a kind of automatic welding device for pipe fittings, including a clamping positioning rotating device and a welding mechanical device; the clamping positioning rotating device has a welding platform 2, and its upper end is provided with a clamping cylinder 11, The piston rod of the clamping cylinder 11 is connected to the moving block 10, the middle part is provided with a pipe support 1, and the other end is provided with a motor 3, which can realize the clamping, positioning and rotation of the pipe; the welding mechanism includes a walking cylinder 12, on which the walking cylinder 12 The piston rod is connected with the walking trolley 4, and the walking trolley 4 has a vertical frame 5, and the vertical frame 5 is connected with the horizontal frame 8, and the horizontal frame 8 has a wire feeding mechanism 6 on one side, and a welding trolley 7 on the other side, and the welding torch 9 is installed On the welding trolley 7, the wire feeding mechanism 6 feeds the wire to the welding torch 9 for welding.

The rotary clamping mechanism 13 connected to the rotary motor 3 on the welding platform coincides with the axis of the positioning rotary mechanism 14 at the other end; the clamping cylinder 11 moves by pushing the moving block 10 fixed on the welding platform to realize the clamping of the pipe.

Referring to Fig. 2, in the automatic welding device for pipe fittings, the walking trolley 4 is installed at the bottom of the two vertical frames 5; in order to ensure that the welding platform runs smoothly and does not deflect during the adjustment process, the walking trolley 4 is installed on the On the walking guide rail 16, the walking guide rail 16 is fixed on the platform; the forward and backward movement of the whole welding platform relies on the walking dolly 4 to realize.

Referring to Fig. 3, the structure of welding horizontal frame 8 and vertical frame 5 is identical, and motor is installed at one end, and motor links to each other with leading screw 17. In the horizontal frame 8, the nuts 19 in the lead screw nut pair are fixedly connected with the welding trolley 7 and the slide block 18 respectively, and the motor drives the rotation of the lead screw 17 to realize the translation of the nut mechanism. In the stand 5, two motors are started simultaneously to realize the movement of the horizontal frame 8, thereby realizing the movement of the welding trolley 7. The horizontal frame 8 and the vertical frame 5 motors rotate to realize the movement of the welding trolley 7 in the left, right and up and down directions. Different displacements in two directions result in different working positions of the welding carriage 7 in space.

Referring to Figure 4, for wider welds, a welding torch swing mechanism, that is, a worm gear swing mechanism, is installed, and the swing mechanism is installed inside the welding trolley. The motor drives the worm 23 to move so as to drive the movement of the worm wheel 24 to realize the swing of the swing rod 20 and the welding torch 9 .

Referring to Fig. 5, in order to ensure the wire feeding force, double active wire feeding is adopted, and a pair of identical gears 27 are installed on the shafts of the two wire feeding wheels 29, and the meshing of the gears 27 drives the two wire feeding wheels 29 to rotate synchronously. In order to plan the route of the welding wire 26 passing the wire feed wheel 29, a "V" shaped wheel groove 28 is opened on the wire feed wheel 29.

Below in conjunction with accompanying drawing, by example, the working process of the present utility model is further described.

Referring to Fig. 1, the pipe fitting is manually placed on the pipe fitting support, one end of which is in contact with the clamping and rotating device, and the clamping cylinder 11 is started to clamp the key; the rotating motor 3 is started to drive the pipe fitting to rotate.

Referring to Fig. 2, the traveling cylinder 12 works synchronously to drive the whole welding platform to move forward.

Detect the position that needs welding according to the sensor 21 that is installed on the welding torch 9 tops, start the motor on the stand 5 and the cross frame 8 to adjust the position of the welding trolley 7, and prepare for welding.

Start at 25, feed wire at a constant speed; turn on the electric welding machine, start the arc for welding, and the swing rod 20 moves to increase the width of the weld seam; when the welding is completed for one week, the arc is extinguished, and the wire feeding motor 25 stops at the same time, and the wire feeding is completed, and the welding is completed; The rotating motor stops rotating, and the pipe fittings remain stationary; the walking cylinder 12 retreats; the motors on the horizontal frame 8 and the stand 5 reverse; the final welding platform gets back to the initial position.

The clamping cylinder 11 retreats and the pipe fitting is separated from the clamp, and the clamping cylinder returns to the initial position.

Manually unload the welded pipe fittings, and the whole process ends.

Claims (8)

1. an automatic welding of pipe fitting device, is characterized in that: comprise clamping and positioning whirligig and electroplating equipment wielding machine device; Described clamping and positioning whirligig has jig, and on it, one end is provided with clamping cylinder, the piston rod of clamping cylinder is connected with movable block, and mid portion is provided with pipe fitting support, and the other end is provided with motor, can realize clamping and positioning and the rotation of pipe fitting; Electroplating equipment wielding machine device comprises walking cylinder, piston rod on walking cylinder is connected with walking dolly, walking dolly is provided with stand, connect with crossbearer above stand, there is wire feeder crossbearer side, and opposite side has welding tractor, welding gun is arranged on welding tractor, wire feeder is to welding gun wire feed, and the swing mechanism of welding tractor inside drives torch swinging, welds; On welding gun, sensor installation is for detecting the position of weld seam.

2. the automatic welding of pipe fitting device according to claims 1, is characterized in that: the dead in line of the rotation clamp system that motor connects and the position rotating mechanism of the other end; Clamping cylinder is by promoting to be fixed on the movement of movable block on jig thus the clamping realized pipe fitting.

3. the automatic welding of pipe fitting device according to claims 1, is characterized in that: walking dolly is arranged on the bottom of two stands; Bottom walking dolly, installed walking guide rail, walking guide rail is fixed on platform.

4. the automatic welding of pipe fitting device according to claims 1, is characterized in that: welding crossbearer is identical with the structure of stand, one end mounted motor, and motor is connected with leading screw; In crossbearer, the nut in screw pair is fixedly linked with welding tractor and slide block respectively, and the rotation of driven by motor leading screw realizes the translation of nut body; In stand, two motors start simultaneously, realize the movement of crossbearer, thus realize the movement of welding tractor; Crossbearer and stand electric machine rotation realize the movement of welding tractor at left and right and above-below direction; The different operating position of welding tractors in space is synthesized in the different displacements of both direction.

5. the automatic welding of pipe fitting device according to claims 1, it is characterized in that: for wider weld seam, welding gun oscillation mechanism and worm and gear swing mechanism have been installed, swing mechanism is arranged on welding tractor inside, motor drives worm movement thus drives the motion of worm gear, the welding action thus drive welding gun has swung back and forth; Realize the swing of swing mechanism and welding gun.

6. the automatic welding of pipe fitting device according to claims 1, is characterized in that: in order to ensure wire feeding force, adopts two active wire feed, two wire feed wheel shafts install a pair of identical gear, drives two-wheeled synchronous axial system by the engagement of gear.

7. the automatic welding of pipe fitting device according to claims 3, is characterized in that: the movable dependence walking cylinder of whole jig realizes; The walking of two walking cylinders must synchronously be carried out.

8. the automatic welding of pipe fitting device according to claims 6, is characterized in that: for wire feeder, in order to plan the route of welding wire by wire feed rolls, wire feed rolls is opened " V " shape race.