CN111318784A - Automatic welding equipment for double-flange circular seam and working method - Google Patents
Automatic welding equipment for double-flange circular seam and working method Download PDFInfo
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- CN111318784A CN111318784A CN202010121892.6A CN202010121892A CN111318784A CN 111318784 A CN111318784 A CN 111318784A CN 202010121892 A CN202010121892 A CN 202010121892A CN 111318784 A CN111318784 A CN 111318784A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses automatic welding equipment for a double-flange circular seam and a working method, wherein the automatic welding equipment comprises a base, a rotating mechanism, a material supporting mechanism and a welding mechanism; the welding mechanism is arranged on the rear side surface of the base; the utility model discloses a welding gun, including base, side linear guide, vertical slide rail, horizontal slide rail, welder mount, pneumatic device, horizontal connecting rod's one end is equipped with CO, the trailing flank of base is provided with side linear guide along the horizontal direction, install on the side linear guide and can follow the stand that side linear guide removed, the base is installed to the upper portion front side of stand, the upper surface of base is equipped with pneumatic device, the leading flank of base is fixed with vertical slide rail, be equipped with the horizontal slide rail that can follow vertical slide rail and reciprocate on the vertical slide rail, be equipped with on the horizontal slide rail2The gas shielded welding gun is provided with an argon arc welding gun at the other end.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to double-flange girth welding equipment.
Background
The girth welding is the welding of various circular and annular welding seams, and the welding seams formed by welding are closed circular rings.
Circumferential welds fall into the following categories:
(1) vertical circular seam: the welding seam is all-position welding mainly based on a vertical seam, for example; the welding of the fixed opening of the horizontal pipe belongs to a vertical circular seam. The welding seam of the rotatable welding opening of the horizontal pipeline also belongs to the vertical circular seam.
(2) Horizontal circular seam: the welding seam is full position welding of a transverse seam, for example; the welding of the vertical pipe welding opening is a horizontal annular seam. Belongs to the welding of horizontal circular seams; butt horizontal girth welding of a vertical steel storage tank, transverse welding of girth welding of a welder in a normal standing or squatting mode, and the like.
An automatic welding machine for circular seams is an automatic welding device capable of welding various circular and annular seams. The circular seam automatic welding machine on the market at present can only complete single seam welding usually, and generally can only select a welding mode, and degree of automation is not high.
Disclosure of Invention
The invention aims to solve the technical problem of providing double-flange circular seam automatic welding equipment and a working method, wherein the welding process can be finished by CO without manual intervention2Gas shielded welding and argon arc welding, and can weld the multichannel welding seam simultaneously, degree of automation is high.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a double-flange circular seam automatic welding device comprises a base, a rotating mechanism, a material supporting mechanism and a welding mechanism; the welding mechanism is arranged on the rear side surface of the base;
the utility model discloses a welding gun, including base, side linear guide, vertical slide rail, horizontal slide rail, welder mount, pneumatic device, horizontal connecting rod's one end is equipped with CO, the trailing flank of base is provided with side linear guide along the horizontal direction, install on the side linear guide and can follow the stand that side linear guide removed, the base is installed to the upper portion front side of stand, the upper surface of base is equipped with pneumatic device, the leading flank of base is fixed with vertical slide rail, be equipped with the horizontal slide rail that can follow vertical slide rail and reciprocate on the vertical slide rail, be equipped with on the horizontal slide rail2The gas shielded welding gun is provided with an argon arc welding gun at the other end.
The invention relates to automatic welding equipment for double-flange circular seams, wherein the left side and the right side behind a base are respectively provided with a wire feeder, and the CO is used for welding the circular seams2The gas shielded welding gun and the argon arc welding gun are respectively connected with a wire feeder and are connected with the welding machine and the water tank.
According to the automatic welding equipment for the double-flange circular seam, the upper end of the upright post is provided with the fine adjustment hand wheel which can be used for fine adjustment of the position of the base; the welding gun fixing frame and the vertical connecting rod are locked through a locking clamp with a bolt.
The automatic welding equipment for the double-flange circular seam comprises a rotating mechanism, wherein the rotating mechanism comprises a chuck, the rotation of the chuck is controlled by a spindle box, and the spindle box is arranged at one end of a base.
The automatic welding equipment for the double-flange circular seam comprises a material supporting mechanism, a material conveying mechanism and a welding mechanism, wherein the material supporting mechanism comprises two brackets which are symmetrically arranged, rollers are arranged at the top ends of the brackets, rotating shafts of the rollers are parallel to the axial direction of a pipeline to be welded, and the side surfaces of the two rollers clamp the pipeline to be welded; the bracket can be controlled to move back and forth by a bracket moving hand wheel.
The automatic welding equipment for the double-flange circular seam is characterized in that a longitudinal linear guide rail parallel to the axial direction of a pipeline to be welded is arranged in the center of the upper surface of the base, and the material supporting mechanism can move left and right along the longitudinal linear guide rail.
The automatic welding equipment for the double-flange circular seam is characterized in that at least 2 sets of material supporting mechanisms are arranged and are uniformly distributed along the axial direction of a pipeline to be welded.
The automatic welding equipment for the double-flange circular seam is characterized in that a cylindrical guide rail is arranged on the front side surface of the base along the horizontal direction, and an arc light prevention movable door capable of moving left and right along the cylindrical guide rail is mounted on the cylindrical guide rail; the number of the arc-proof movable doors is at least 2.
The automatic welding equipment for the double-flange circumferential seams is characterized in that the equipment is powered by an electric cabinet, and the rotating mechanism, the material supporting mechanism, the welding gun swinging mechanism, the welding gun lifting mechanism and the welding gun are controlled by a PLC (programmable logic controller) automatic welding controller.
The working method of the automatic welding equipment for the double-flange circular seam comprises the following steps:
(1) placing a workpiece to be welded on a material supporting mechanism; (2) clamping an inner hole of the flange by using a chuck; (3) the main shaft box automatically rotates by touching the automatic switch; (4) feeding CO2The gas shielded welding gun is in place, the welding gun swings and is welded for a circle; wherein the swing amplitude and the number of welding turns can be set by a PLC automatic welding controller; (5) then the argon arc welding gun is fed in place, the welding gun swings and is welded for a circle; wherein the swing amplitude and the number of welding turns can be set by a PLC automatic welding controller; (6) after welding, the spindle box automatically stops rotating; (7) and taking down the workpiece.
Compared with the prior art, the invention has the outstanding effects that:
(1) the equipment can complete CO in the welding process without manual intervention2Gas shielded welding and argon arc welding, and can weld the multichannel welding seam simultaneously, degree of automation is high.
(2) The equipment adopts a combined structure, is convenient to match, assemble and disassemble, has good maneuverability, and is suitable for automatic welding of various annular welding seams. Only one device can replace 5-6 welders, the efficiency is 5-6 times of that of a single welder, the personnel cost can be greatly saved, the working efficiency is greatly improved, and the device is safe and reliable.
The automatic welding equipment for the double-flange circular seam and the working method thereof are further explained by combining the description of the attached drawings and the specific embodiment.
Drawings
FIG. 1 is a schematic structural diagram of an automatic welding device for double-flange circular seams of the invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at "A";
FIG. 3 is an enlarged view of a portion of FIG. 1 at "B";
FIG. 4 is a top view of the automatic welding equipment for the double-flange circular seam of the invention;
FIG. 5 is a left side view of the automatic welding equipment for the double-flange circular seam of the invention;
FIG. 6 is an example of a pipe work piece after double flange girth welding.
Detailed Description
As shown in fig. 1-5, an automatic welding device for double-flange circular seams comprises a base 1, a rotating mechanism, a material supporting mechanism 2 and a welding mechanism; the welding mechanism is arranged on the rear side surface of the base 1;
the concrete structure of welding mechanism does: the rear side of base 1 is provided with side linear guide 9 along the horizontal direction, install on side linear guide 9 and remove about can following side linear guide 9 stand 5, base 17 is installed to the upper portion front side of stand 5, the upper surface of base 17 is equipped with pneumatic means 8, the leading flank of base 17 is fixed with vertical slide rail 18, be equipped with the horizontal slide rail 19 that can follow vertical slide rail 18 and reciprocate on vertical slide rail 18, be equipped with the welder mount that can remove about along horizontal slide rail 19 on the horizontal slide rail 19, welder mount lower extreme is connected with vertical connecting rod 27, the lower extreme of vertical connecting rod 27 is fixed with horizontal connecting rod 21, the one end of horizontal connecting rod 21 is equipped with CO2The gas shielded welding torch 23 is provided with an argon arc welding torch 20 at the other end. The upper end of the upright post 5 is provided with a fine adjustment hand wheel 16 which can be used for fine adjustment of the position of the base 17; the welding gun fixing frame and the vertical connecting rod 27 are locked through a locking clamp 22 with a bolt.
The left and right sides of the rear part of the base 17 are respectively provided with a wire feeder 7, CO2The gas shielded welding torch 23 and the argon arc welding torch 20 are each connected to one wire feeder 7, the welding machine 13 and the water tank 14.
The rotating mechanism comprises a chuck 4, the rotation of the chuck 4 is controlled by a spindle box 3, and the spindle box 3 is installed at one end of the base 1. The chuck 4 is a three-jaw chuck.
The material supporting mechanism 2 comprises two brackets 24 which are symmetrically arranged, the top ends of the brackets 24 are provided with rollers 25, the rotating shafts of the rollers 25 are parallel to the axial direction of the pipeline to be welded, and the side surfaces of the two rollers 25 clamp the pipeline to be welded; the carriage 24 is controlled to move back and forth by a carriage moving hand wheel 26.
The center of the upper surface of the base 1 is provided with a longitudinal linear guide rail 10 parallel to the axial direction of the pipeline to be welded, and the material supporting mechanism 2 can move left and right along the longitudinal linear guide rail 10.
The material supporting mechanisms 2 are 3 sets and are uniformly distributed along the axial direction of the pipeline to be welded, and the two ends and the middle part of the workpiece to be welded are respectively clamped.
A cylindrical guide rail 11 is arranged on the front side surface of the base 1 along the horizontal direction, and an arc light prevention movable door 12 capable of moving left and right along the cylindrical guide rail 11 is installed on the cylindrical guide rail 11; the number of the arc-proof movable doors 12 is 2; the number of welding mechanisms is 2.
The equipment is powered through an electric cabinet 15, wherein the rotating mechanism, the material supporting mechanism 2, the welding gun swinging mechanism, the welding gun lifting mechanism and the welding gun are all controlled through a PLC automatic welding controller (not shown in the attached drawings).
The main spindle box provides rotation power for equipment, the equipment is driven by a digital alternating current servo motor, the rotation speed and the rotation angle can be controlled by a PLC (programmable logic controller) automatic welding controller, the stand column moves on a linear guide rail on the back of the base, the welding position of the annular welding line can be roughly adjusted, and the welding mechanism can move left and right and up and down to finely adjust the position of a welding gun.
The PLC automatic welding controller is provided with a touch screen, a welding mode and a welding process are selected through a touch screen welding process menu, the gun head can automatically swing left and right, multi-layer and multi-pass welding can be achieved, and after one circle is welded, a certain size can be automatically lifted to continue welding the next circle.
The specific working parameters of the equipment are as follows:
| effective length of weldable workpiece | 300～4500mm |
| Diameter of weldable workpiece | 50～250mm |
| Radius of rotation | ≤R440mm |
| Weldable workpiece weight | ≤400Kg |
| Size of the main and negative chucks | 250mm for main chuck and 250mm for negative chuck |
| Spindle speed | 0.2～1.4rpm |
| Extent of girth weld | 0 degree to 360 degrees (can be freely arranged by multi-circle welding) |
| Equipment overall dimension (length, width and height) | 7000*1300*2200mm |
| Rated input capacity of equipment | 2.8KW |
Taking the welding of two flange collecting pipes as an example, put the pipe fitting on the group frock, realize the position degree of flange connecting hole, pipeline concentricity, the straightness's that hangs down quick location of branch pipe, carry out the spot welding back fast, then put and weld on the automatic weld equipment of this embodiment. The method comprises the following steps:
(1) placing a double-flange collecting pipe to be welded on a material supporting mechanism; (2) clamping an inner hole of the flange by using a chuck; (3) the main shaft box automatically rotates by touching the automatic switch; (4) feeding CO2The gas shielded welding gun is in place, the welding gun swings and is welded for a circle; wherein the swing amplitude and the number of welding turns can be set by a PLC automatic welding controller; (5) then the argon arc welding gun is fed in place, the welding gun swings and is welded for a circle; wherein the swing amplitude and the number of welding turns can be set by a PLC automatic welding controller; (6) after welding, the spindle box automatically stops rotating; (7) and (5) taking down the double-flange collecting pipe. Welded double-flange headers, e.g.As shown in fig. 6.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a two flange circumferential weld automatic weld equipment which characterized in that: comprises a base (1), a rotating mechanism, a material supporting mechanism (2) and a welding mechanism; the welding mechanism is arranged on the rear side surface of the base (1);
the utility model discloses a welding gun, including base (1), side linear guide (9) are provided with along the horizontal direction to the trailing flank of base (1), install on side linear guide (9) and can follow stand (5) that side linear guide (9) removed about, base (17) are installed to the upper portion front side of stand (5), the upper surface of base (17) is equipped with pneumatic means (8), the leading flank of base (17) is fixed with vertical slide rail (18), be equipped with on vertical slide rail (18) and follow horizontal slide rail (19) that vertical slide rail (18) reciprocated, be equipped with on horizontal slide rail (19) and follow the welder mount that horizontal slide rail (19) removed about, welder mount lower extreme is connected with vertical connecting rod (27), and the lower extreme of vertical connecting rod (27) is fixed with horizontal connecting rod (21), and the one end of horizontal connecting rod (21) is2The gas shielded welding gun (23) is provided with an argon arc welding gun (20) at the other end.
2. The double-flange circular seam automatic welding equipment according to claim 1, characterized in that: the left side and the right side behind the base (17) are respectively provided with a wire feeder (7), and the CO is2The gas shielded welding gun (23) and the argon arc welding gun (20) are respectively connected with a wire feeder (7) and a welding machine (13) and a water tank (14).
3. The double-flange circular seam automatic welding equipment according to claim 2, characterized in that: the upper end of the upright post (5) is provided with a fine adjustment hand wheel (16) which can be used for fine adjustment of the position of the base (17); the welding gun fixing frame and the vertical connecting rod (27) are locked through a locking clamp (22) with a bolt.
4. The double-flange circular seam automatic welding equipment according to claim 1, characterized in that: the rotating mechanism comprises a chuck (4), the rotation of the chuck (4) is controlled through a spindle box (3), and the spindle box (3) is installed at one end of the base (1).
5. The double-flange circular seam automatic welding equipment according to claim 1, characterized in that: the material supporting mechanism (2) comprises two brackets (24) which are symmetrically arranged, rollers (25) are arranged at the top ends of the brackets (24), a rotating shaft of each roller (25) is parallel to the axial direction of the pipeline to be welded, and the side surfaces of the two rollers (25) clamp the pipeline to be welded; the bracket (24) can be controlled to move back and forth by a bracket moving hand wheel (26).
6. The double-flange circular seam automatic welding equipment according to claim 5, characterized in that: the material supporting device is characterized in that a longitudinal linear guide rail (10) parallel to the axial direction of a pipeline to be welded is arranged in the center of the upper surface of the base (1), and the material supporting mechanism (2) can move left and right along the longitudinal linear guide rail (10).
7. The double-flange circular seam automatic welding equipment according to claim 6, characterized in that: the material supporting mechanisms (2) are at least 2 sets and are uniformly distributed along the axial direction of the pipeline to be welded.
8. The double-flange circular seam automatic welding equipment according to claim 1, characterized in that: a cylindrical guide rail (11) is arranged on the front side surface of the base (1) along the horizontal direction, and an arc light prevention movable door (12) capable of moving left and right along the cylindrical guide rail (11) is installed on the cylindrical guide rail (11); the number of the arc-proof movable doors (12) is at least 2; the number of the welding mechanisms is at least 2.
9. The double-flange circular seam automatic welding equipment according to claim 1, characterized in that: the equipment is powered through an electric cabinet (15), wherein the rotating mechanism, the material supporting mechanism (2), the welding gun swinging mechanism, the welding gun lifting mechanism and the welding gun are all controlled through a PLC automatic welding controller.
10. The working method of the double-flange circular seam automatic welding equipment according to any one of the claims 1 to 9, characterized by comprising the following steps:
(1) placing a workpiece to be welded on a material supporting mechanism; (2) clamping an inner hole of the flange by using a chuck; (3) the main shaft box automatically rotates by touching the automatic switch; (4) feeding CO2The gas shielded welding gun is in place, the welding gun swings and is welded for a circle; wherein the swing amplitude and the number of welding turns can be set by a PLC automatic welding controller; (5) then the argon arc welding gun is fed in place, the welding gun swings and is welded for a circle; wherein the swing amplitude and the number of welding turns can be set by a PLC automatic welding controller; (6) after welding, the spindle box automatically stops rotating; (7) and taking down the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010121892.6A CN111318784A (en) | 2020-02-27 | 2020-02-27 | Automatic welding equipment for double-flange circular seam and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010121892.6A CN111318784A (en) | 2020-02-27 | 2020-02-27 | Automatic welding equipment for double-flange circular seam and working method |
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| Publication Number | Publication Date |
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| CN111318784A true CN111318784A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010121892.6A Pending CN111318784A (en) | 2020-02-27 | 2020-02-27 | Automatic welding equipment for double-flange circular seam and working method |
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2020
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