A branch pipe flange double-station robot welding workstation

Abstract

A branch pipe flange double-station robot welding workstation includes a precision track device, a roller frame device, an anti-slip device and a welding robot. The two sides of the welding robot are each provided with a precision track device and a roller frame device supported on a slide rail. The precision track device, the roller frame device, and the precision track device are provided with symmetrical and closely adjacent supporting wheels on the top. The roller frame device is provided with symmetrical and mutually distant supporting wheels on the top. An anti-slip device is provided at one end of the slide rail, and the welding robot is provided on one side of the anti-slip device. The utility model can realize a single-robot double-station welding, in which one group of tooling performs point assembly and pairing, and the other group of tooling performs automatic welding, and they work in turn; the utility model is provided with an end face anti-slip device to prevent axial slippage, and a rotation positioning device performs angle tracking adjustment to eliminate the error caused by friction in the rotation of the pipe fitting.

Description

Technical Field

[0001] The utility model relates to welding equipment, in particular to a branch pipe flange double-station robot welding workstation. Background Art

[0002] Welding robots are currently commonly used welding equipment, but current welding robots can generally only perform welding operations at one workstation. The workpiece needs to be assembled before welding. However, the current welding workstations cannot simultaneously weld at another workstation while assembling parts, and the assembled components lack positioning structures to prevent the workpiece from moving before welding. Utility Model Content

[0003] In order to solve the above problems, the purpose of the utility model is to provide a branch pipe flange double-station robot welding workstation.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: a branch pipe flange double-station robot welding workstation, comprising a fine track device, a roller frame device, an anti-collision device and a welding robot, the two sides of the welding robot are respectively provided with a fine track device, a roller frame device supported on a first slide rail, a fine track device, a roller frame device, a top of the fine track device is provided with symmetrical and closely adjacent supporting wheels, the top of the roller frame device is provided with symmetrical and mutually distant supporting wheels, one end of the first slide rail is provided with an anti-collision device, and the welding robot is provided on one side of the anti-collision device;

[0005] The anti-slip device comprises a disc and a plurality of protrusions arranged on the surface of the disc, symmetrical stop rods are arranged on both sides of the disc, and the center of the disc is open;

[0006] It also includes a floating rotation tracking device, which includes a fixed disc and a freely rotatable rotation positioning cone arranged on the surface of the fixed disc. The fixed disc is elastically supported on the positioning plate, and the tip of the rotation positioning cone passes through the central opening of the disc.

[0007] Furthermore, it also includes a welding power supply and an electrical control part. The welding power supply provides electrical energy to the welding machine of the welding robot, and the electrical control part is electrically connected to the signal control terminal of the welding robot.

[0008] Furthermore, the rotating shaft of the fixed disc passes through the fixed disc and is limited on the fixed disc, and an encoder is arranged at the other end of the rotating shaft of the fixed disc.

[0009] Furthermore, the fixed disc is fixed with a plurality of guide rods penetrating the positioning plate, each guide rod is respectively sleeved with a front and rear telescopic spring, and both ends of the front and rear telescopic springs are respectively tightly attached to the fixed disc and the positioning plate.

[0010] Furthermore, it also includes a longitudinal elastic device and a transverse elastic device, both of which include a symmetrically arranged supporting slider and a sliding rod passing through the supporting slider, sliding rod fixing seats are respectively fixed at both ends of the sliding rod, and compression springs are respectively sleeved on the sliding rods at both ends of each supporting slider, the sliding rod fixing seat of the longitudinal elastic device is fixed on the fixed base, the supporting slider of the longitudinal elastic device is fixed with a movable plate, the sliding rod fixing seat of the transverse elastic device is fixed on the movable plate, and the supporting sliders of the transverse elastic device are respectively fixedly connected to the positioning plates.

[0011] Furthermore, each supporting slide block is respectively provided with a slide groove, and each supporting slide block is respectively slidably arranged on the corresponding second slide rail through the slide groove.

[0012] Furthermore, sliding blocks arranged up and down are fixed to the back of the fixed base, and mounting blocks with holes are fixed to the fixed base between the sliding blocks.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model can realize a single-robot dual-station welding, in which one set of tooling performs spot assembly and pairing, and the other set of tooling performs automatic welding, and they work in turn.

[0015] 2. The utility model is provided with an end surface anti-movement device to prevent axial movement, and a rotary positioning device to perform angle tracking adjustment to eliminate the error caused by friction in the rotation of the pipe fitting.

[0016] 3. The utility model is easy to control through PLC computer, and the rotation angle can be controlled in real time. In addition, it can also be convenient to match other equipment according to customer needs to better meet customer requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is now further described with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the anti-channeling device of the utility model;

[0021] Figure 4 This is a schematic diagram of the main structure of the floating rotation tracking device of the utility model;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the floating rotation tracking device of the utility model. DETAILED DESCRIPTION

[0023] like Figure 1-5 As shown, a branch flange double-station robot welding workstation includes a track precision device 1, a roller frame device 2, an anti-collision device 3 and a welding robot 4, wherein the track precision device 1, the roller frame device 2 and the welding robot 4 are prior arts, and the two sides of the welding robot 4 are respectively provided with a track precision device 1 and a roller frame device 2 supported on a first slide rail 5, the track precision device 1 and the roller frame device 2, such as the top of the track precision device 1 is provided with symmetrical and closely adjacent supporting wheels, the top of the roller frame device 2 is provided with symmetrical and mutually distant supporting wheels, one end of the first slide rail 5 is provided with an anti-collision device 3, the welding robot 4 is arranged on one side of the anti-collision device 3, and also includes a welding power supply and an electrical control part, the welding power supply provides electrical energy for the welding machine of the welding robot 4, and the electrical control part is electrically connected to the signal control end of the welding robot 4;

[0024] The anti-slip device 3 includes a disc 301 and a plurality of protrusions 302 arranged on the surface of the disc 301. Symmetrical levers 303 are arranged on both sides of the disc 301. The center of the disc 301 is open.

[0025] It also includes a floating rotation tracking device 6, specifically: the floating rotation tracking device 6 includes a fixed disk 601 and a freely rotatable rotation positioning cone 602 arranged on the surface of the fixed disk 601, the fixed disk 601 is elastically supported on the positioning plate 603, the tip of the rotation positioning cone 602 passes through the central opening of the disk 301, the rotating shaft of the fixed disk 601 passes through the fixed disk 601, and is limited on the fixed disk 601, an encoder 605 is arranged on the other end of the rotating shaft of the fixed disk 601, the fixed disk 601 is fixed with a plurality of guide rods passing through the positioning plate 603, each guide rod is respectively covered with a front and rear telescopic spring 606, and the two ends of the front and rear telescopic spring 606 are respectively in close contact with the fixed disk 601 and the positioning plate 603

[0026] The longitudinal elastic device and the transverse elastic device both include a symmetrically arranged supporting slider 607 and a sliding rod 608 passing through the supporting slider 607. Sliding rod fixing seats 609 are respectively fixed at both ends of the sliding rod 608. Compression springs 610 are respectively sleeved on the sliding rod 608 at both ends of each supporting slider 607. The sliding rod fixing seats 609 of the longitudinal elastic device are fixed on the fixed base 604. The supporting slider 607 of the longitudinal elastic device is fixed with a movable plate 611. The sliding rod fixing seats 609 of the transverse elastic device are fixed on the movable plate 611. The supporting sliders 607 of the transverse elastic device are respectively fixedly connected to the positioning plates 603. Each supporting slider 607 is respectively provided with a sliding groove. Each supporting slider 607 is respectively slidably arranged on the corresponding second sliding rail 612 through the sliding groove. Sliding rods 613 arranged up and down are fixed to the back of the fixed base 604. A mounting block 614 with holes is fixed to the fixed base 604 between the sliding rods 613.

[0027] Working principle of this utility model:

[0028] Hoist the pipe fittings onto the roller frame device 2, and then manually assemble the flanges and reinforcing ribs; use the roller frame to run the assembled pipe fittings to the anti-slip device, manually rotate it to the 0 position, and then press the start button to weld. Compared with the prior art, the difference of this application is that: an anti-slip device is provided, the rotating positioning cone is a cone, the cone is inserted into the circular hole of the workpiece, the cone can float back and forth by various springs, an encoder is installed behind the cone for tracking, and an elastic mechanism is installed behind the overall mechanism, which can float up and down and left and right, so as to correct the deviation and track when the workpiece is eccentric with the center of the circle.

[0029] The above description is only an illustrative embodiment of the present invention and is not intended to limit the scope of the present invention. Any equivalent changes and modifications made by any person skilled in the art without departing from the concept and principle of the present invention shall fall within the scope of protection of the present invention.

Claims

1. A branch pipe flange double-station robot welding workstation, comprising a track precision device (1), a roller frame device (2), an anti-slip device (3) and a welding robot (4), characterized in that: A fine track device (1) and a roller frame device (2) are respectively arranged on both sides of the welding robot (4) and supported on the first slide rail (5); the fine track device (1) and the roller frame device (2); the top of the fine track device (1) is provided with symmetrical and closely adjacent supporting wheels; the top of the roller frame device (2) is provided with symmetrical and mutually distant supporting wheels; one end of the first slide rail (5) is provided with an anti-collision device (3); and the welding robot (4) is arranged on one side of the anti-collision device (3); The anti-slip device (3) comprises a disc (301) and a plurality of protrusions (302) arranged on the surface of the disc (301), symmetrical stop rods (303) are arranged on both sides of the disc (301), and the center of the disc (301) is open; It also includes a floating rotation tracking device (6), which includes a fixed disk (601) and a freely rotatable rotation positioning cone (602) arranged on the surface of the fixed disk (601), the fixed disk (601) is elastically supported on the positioning plate (603), and the tip of the rotation positioning cone (602) passes through the central opening of the disk (301).

2. A branch pipe flange double-station robot welding workstation as claimed in claim 1, characterized in that: It also includes a welding power supply and an electrical control part, the welding power supply provides electrical energy for a welding machine of the welding robot (4), and the electrical control part is electrically connected to a signal control terminal of the welding robot (4).

3. A branch pipe flange double-station robot welding workstation as claimed in claim 1, characterized in that: The rotating shaft of the fixed disc (601) passes through the fixed disc (601) and is limited on the fixed disc (601). The other end of the rotating shaft of the fixed disc (601) is provided with an encoder (605).

4. A branch pipe flange double-station robot welding workstation as claimed in claim 1, characterized in that: The fixed disc (601) is fixed with a plurality of guide rods penetrating the positioning plate (603), each of the guide rods being respectively sleeved with a front and rear telescopic spring (606), and the two ends of the front and rear telescopic spring (606) are respectively in close contact with the fixed disc (601) and the positioning plate (603).

5. A branch pipe flange double-station robot welding workstation as claimed in claim 1, characterized in that: The device also includes a longitudinal elastic device and a transverse elastic device, each of which includes a symmetrically arranged support slider (607) and a slide bar (608) penetrating the support slider (607), slide bar fixing seats (609) being fixed at both ends of the slide bar (608), compression springs (610) being sleeved on the slide bars (608) at both ends of each support slider (607), the slide bar fixing seats (609) of the longitudinal elastic device being fixed on a fixed base (604), the support slider (607) of the longitudinal elastic device being fixed with a movable plate (611), the slide bar fixing seats (609) of the transverse elastic device being fixed on the movable plate (611), and the support sliders (607) of the transverse elastic device being fixedly connected to the positioning plates (603).

6. A branch pipe flange double-station robot welding workstation as claimed in claim 5, characterized in that: Each supporting slide block (607) is provided with a slide groove, and each supporting slide block (607) is slidably arranged on a corresponding second slide rail (612) through the slide groove.

7. A branch pipe flange double-station robot welding workstation as claimed in claim 1, characterized in that: Slide blocks (613) arranged up and down are fixed to the back of the fixed base (604), and a mounting block (614) with holes is fixed to the fixed base (604) between the slide blocks (613).

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