CN211840695U - Automatic tracking welding device for lap weld - Google Patents
Automatic tracking welding device for lap weld Download PDFInfo
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- CN211840695U CN211840695U CN202020146491.1U CN202020146491U CN211840695U CN 211840695 U CN211840695 U CN 211840695U CN 202020146491 U CN202020146491 U CN 202020146491U CN 211840695 U CN211840695 U CN 211840695U
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- sliding table
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Abstract
The utility model belongs to the technical field of the welding equipment and specifically relates to an overlap joint welding seam automatic tracking welding set, the device can reduce cost, realizes the automatic tracking welding of overlap joint welding seam, effectively solves the problem that provides in the background art. The gantry electric roller sliding type ground rail device comprises a machine head, wherein the machine head is arranged on a transverse electric sliding table in a sliding manner, the transverse electric sliding table is fixedly arranged on a cross beam at the front end of a gantry, gantry electric rollers are arranged at the bottoms of vertical parts at two sides of the gantry, the gantry electric rollers are arranged on a ground rail in a sliding manner, and the ground rail is fixed on the ground; a welded workpiece is fixedly arranged on the ground at the inner side of the portal frame; portal frame electric roller, horizontal electronic slip table, rotatory step motor and vertical electronic slip table respectively through interconnecting link and PLC control system electric connection, PLC control system installs in the control box. The operation is simple, the use is convenient, and the device is suitable for various places.
Description
Technical Field
The utility model relates to a welding equipment field specifically is an overlap joint welding seam automatic tracking welding set.
Background
At present, in the field of special vehicle welding, particularly in the field of semitrailer, tank truck and dumper welding, automation is not realized in a large range due to the problems of workpiece precision, equipment cost and the like. The welding robot which is popular at present has high cost and complex operation. The manual welding of workers has the disadvantages of high labor intensity, poor working environment and difficult control of welding quality.
SUMMERY OF THE UTILITY MODEL
To current problem, the utility model provides a lap weld automatic tracking welding set, the device can reduce cost, realizes the automatic tracking welding of lap weld, effectively solves the problem of proposing in the background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a lap weld automatic tracking welding set which characterized in that: the welding machine comprises a machine head, wherein the machine head comprises a machine head vertical mounting plate, a machine head horizontal mounting plate is fixedly arranged on the machine head vertical mounting plate, a small slewing bearing and a rotary stepping motor are fixedly arranged on the machine head horizontal mounting plate, the small slewing bearing is rotatably provided with a rotary support, the rotary support is slidably provided with a vertical electric sliding table, a sliding table connecting plate is fixedly arranged on the vertical electric sliding table, and the sliding table connecting plate is fixedly provided with a laser sensor box and a welding gun; a first laser displacement sensor and a second laser displacement sensor are fixedly arranged inside the laser sensor box;
the machine head is arranged on the transverse electric sliding table in a sliding manner, the transverse electric sliding table is fixedly arranged on a cross beam at the front end of the portal frame, portal frame electric rollers are arranged at the bottoms of the vertical parts at two sides of the portal frame, the portal frame electric rollers are arranged on the ground rail in a sliding manner, and the ground rail is fixed on the ground;
a welded workpiece is fixedly arranged on the ground at the inner side of the portal frame;
portal frame electric roller, horizontal electronic slip table, rotatory step motor and vertical electronic slip table respectively through interconnecting link and PLC control system electric connection, PLC control system installs in the control box.
Preferably, the stroke of the transverse electric sliding table is greater than the maximum width of the workpiece, and the stroke of the ground rail is greater than the maximum length of the workpiece.
Preferably, the stroke of the vertical electric sliding table is larger than the maximum height difference of the workpiece.
Preferably, the inner part of the gantry electric roller is driven by a stepping motor.
Preferably, the small pivoting support can be driven to rotate for 360 degrees by a rotating stepping motor.
Preferably, the irradiation points of the first laser displacement sensor and the second laser displacement sensor are at the wire outlet of the welding gun.
Preferably, the portal frame is of a trapezoidal frame structure with a narrow top and a wide bottom, and two ends of the bottom of the vertical part are respectively provided with the portal frame electric rollers.
Compared with the prior art, the utility model provides a lap weld automatic tracking welding set possesses following beneficial effect:
1. the utility model discloses a first laser displacement sensor's irradiation point is in welder wire outlet department, and the vertical electronic slip table of reading control through first laser displacement sensor removes the distance of guaranteeing welder apart from the work piece, realizes the upper and lower automatic tracking of welding seam.
2. The utility model discloses a step motor is all equipped with to vertical electronic slip table, horizontal electronic slip table, portal frame electric roller, guarantees with rotatory step motor about, around, the accuracy of rotary motion together.
3. The utility model discloses a second laser displacement sensor's irradiation point is in welder wire outlet department, controls welder through the difference value of second laser displacement sensor's reading and first laser displacement sensor reading and removes the automatic tracking about realizing the welding seam in the welding seam left and right sides direction.
Drawings
Fig. 1 is a schematic front view of an example of the present invention;
fig. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a left side view of the structure of the embodiment of the present invention;
fig. 4 is a schematic front view of a nose portion according to an embodiment of the present invention;
fig. 5 is a left side view schematic diagram of the head part of the embodiment of the present invention;
FIG. 6 is an axial schematic view of a lap weld workpiece;
FIG. 7 is a schematic view of a lap weld type;
the following are marked in the figure:
1. a ground rail; 2. gantry electric rollers; 3. a gantry; 4. a transverse electric sliding table; 5. a machine head vertical mounting plate; 6. a machine head horizontal mounting plate; 7. a small slewing bearing; 8. rotating the stepper motor; 9. rotating the bracket; 10. a vertical electric sliding table; 11. a slipway connecting plate; 12. a laser sensor cartridge; 13. a first laser displacement sensor; 14. a second laser displacement sensor; 15. a welding gun; 16. a workpiece; 17. a control box; 18. gantry forward weld; 19. gantry negative direction weld; 20. a beam forward weld; 21. negative weld of the beam.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 7, an overlap joint welding seam automatic tracking welding set, including the aircraft nose, the aircraft nose include aircraft nose vertical mounting panel 5, the fixed aircraft nose horizontal mounting panel 6 that is equipped with in 5 front sides of aircraft nose vertical mounting panel, aircraft nose horizontal mounting panel 6 fixed be equipped with little slewing bearing 7 and rotatory step motor 8 (rotatory step motor 8 can drive little slewing bearing 7 horizontal rotation), the rotation of little slewing bearing 8 be equipped with runing rest 9, runing rest 9 slide and be equipped with vertical electronic slip table 10, vertical electronic slip table 10 fixed be equipped with slip table connecting plate 11, slip table connecting plate 11 fixed be equipped with laser sensor box 12 and welder 15, laser sensor box internal fixation be equipped with first laser displacement sensor 13 and second laser displacement sensor 14.
The aircraft nose slides and locates horizontal electronic slip table 4, horizontal electronic slip table 4 fixed crossbeam front end of locating portal frame 3, portal frame both ends vertical portion bottom fixed be equipped with portal frame electric roller 2, portal frame electric roller slide and locate ground rail 1.
All be equipped with step motor (hide in electronic slip table inside, not shown in the figure) on vertical electronic slip table 10 and the horizontal electronic slip table 4, portal frame electric roller inside be equipped with step motor. The PLC control system (in the embodiment, Mitsubishi motor automation FX3UC-16MT/D-P4 is selected) controls the vertical electric sliding table 10 to move up and down in real time according to the numerical value of the first laser displacement sensor 13 to adjust the up-and-down position of the welding gun 15, namely, the welding gun 15 is controlled to realize up-and-down automatic tracking of the welding seam. The welding gun 15, the laser sensor box 12, the first laser displacement sensor 13 and the second laser displacement sensor 14 are fixed into a whole and are all fixed on the sliding table connecting plate 11. The sliding table connecting plate 11 moves up and down to drive the welding gun 15, the laser sensor box 12, the first laser displacement sensor 13 and the second laser displacement sensor 14 to integrally move up and down. The vertical electric sliding table 10 has enough large stroke, and the height difference of the welding seam position of the workpiece is met. And the reading of the second laser displacement sensor 14 and the reading difference of the first laser displacement sensor 13 control the welding gun 15 to move left and right in the welding seam direction to realize left and right tracking of the welding seam.
In the above-mentioned embodiment, it is concrete, refer to fig. 1, fig. 2, fig. 3, the horizontal electronic slip table 4 that the aircraft nose slided and locates, vertical electronic slip table 4 be fixed in the horizontal partial front end of portal frame 3, 3 both sides vertical part bottom and portal frame electric roller 2 fixed connection of portal frame, portal frame electric roller 2 slide and locate on ground rail 1, ground rail 1 fix subaerial, portal frame electric roller 2 operates and drives 3 back-and-forth movements of portal frame.
In the above embodiment, specifically, the workpiece 16 is fixed on the ground inside the gantry 3.
In the above embodiment, specifically, the vertical electric sliding table 10, the rotary stepping motor 8, the stepping motor on the horizontal electric sliding table 4, and the stepping motor inside the gantry electric roller 2 are electrically connected to a PLC control system (in this example, mitsubishi motor automation FX3UC-16MT/D-P4) inside the control box 17 through a connection line, respectively (the control part is not shown in the drawing, the working principle thereof is well known to those skilled in the art, and is not described herein again).
In the above embodiment, more specifically, the stroke of the transverse electric sliding table 4 is greater than the maximum width of the workpiece. Ensuring that the welding gun 15 moves left and right to weld the whole upper part of the workpiece.
In the above embodiment, more specifically, the stroke of the ground rail 1 is greater than the maximum length of the workpiece. Ensuring that the welding gun 15 moves back and forth to weld over the entire upper part of the workpiece.
In the above embodiment, more specifically, the rotating stepping motor 8 drives the small pivoting support 7 to rotate within 360 degrees at any angle, so as to meet the requirement of automatic tracking welding of welding seams in different directions.
In the above embodiment, more specifically, the irradiation points of the first laser displacement sensor 13 and the second laser displacement sensor 14 are at the wire outlet of the welding gun 15, so as to ensure that the distance between the detection value of the first laser displacement sensor 13 and the detection value of the second laser displacement sensor 14 and the distance between the welding gun 15 and the workpiece 15 are within a limited error range.
In the above embodiment, more specifically, the vertical portion of the portal frame 3 is a trapezoidal (isosceles trapezoid) frame structure with a narrow top and a wide bottom, and two sides of the bottom of the vertical portion are respectively provided with the portal frame electric rollers 2.
The working principle is as follows: firstly, the welding gun 15 is manually operated to move to a certain point of a welding seam of a workpiece 16, then automatic operation is started, the vertical electric sliding table 5 moves in real time according to the reading of the first laser displacement sensor 13 to ensure that the height of the welding gun 15 from the workpiece 16 is consistent, the reading of the second laser displacement sensor 14 and the reading of the first laser displacement sensor 13 do difference value operation in real time, and the welding gun is controlled to move left and right at the position of the welding seam of the workpiece 16. The welds of the workpiece 16 are classified in spatial location into four types (shown in FIG. 7): gantry positive weld, gantry negative weld, beam positive weld and beam negative weld.
When a forward welding seam 18 of the gantry is welded, the rotary stepping motor 8 drives the small slewing bearing 7 to rotate to drive the welding gun to point to the welding seam, the gantry electric roller 2 moves forwards along the welding seam on the ground rail 1 at a welding speed, the reading of the second laser displacement sensor 14 and the reading of the first laser displacement sensor 13 are subjected to difference operation in real time, when the difference value is increased, the first laser displacement sensor 13 and the second displacement sensor 14 respectively irradiate two sides of the lap welding seam, and at the moment, the PLC control system controls the transverse electric sliding table 4 to move rightwards to realize automatic tracking of the welding seam; when the difference value becomes smaller, the first laser displacement sensor 13 and the second displacement sensor 14 respectively irradiate one side of the lap weld, and at the moment, the PLC control system controls the transverse electric sliding table 4 to move leftwards to realize automatic tracking of the weld.
When a negative-direction welding seam 19 of the gantry is welded, the rotary stepping motor 8 drives the small slewing bearing 7 to rotate to drive the welding gun to point to the welding seam, the gantry electric roller 2 moves backwards along the welding seam on the ground rail 1 at a welding speed, difference operation is carried out on the reading of the second laser displacement sensor 14 and the reading of the first laser displacement sensor 13 in real time, when the difference value is increased, the first laser displacement sensor 13 and the second displacement sensor 14 are respectively irradiated to two sides of the lap-joint welding seam, and at the moment, the PLC control system controls the transverse electric sliding table 4 to move leftwards to realize automatic tracking of the welding seam; when the difference value becomes smaller, the first laser displacement sensor 13 and the second displacement sensor 14 respectively irradiate one side of the lap weld, and at the moment, the PLC control system controls the transverse electric sliding table 4 to move rightwards to realize automatic tracking of the weld;
when a forward welding seam 20 of the cross beam is welded, the rotary stepping motor 8 drives the small slewing bearing 7 to rotate to drive the welding gun to point to the welding seam, the transverse electric sliding table 4 walks rightwards along the welding seam at a welding speed, difference value operation is carried out on the reading of the second laser displacement sensor 14 and the reading of the first laser displacement sensor 13 in real time, when the difference value is increased, the first laser displacement sensor 13 and the second displacement sensor 14 are respectively irradiated to two sides of the lap welding seam, and at the moment, the PLC control system controls the gantry electric roller 2 to move backwards along the ground rail 1 to realize automatic tracking of the welding seam; when the difference value becomes smaller, the first laser displacement sensor 13 and the second displacement sensor 14 respectively irradiate one side of the lap weld, and at the moment, the PLC control system controls the gantry electric roller 2 to move forwards along the ground rail 1 to realize automatic tracking of the weld.
When a negative-direction welding seam 21 of the cross beam is welded, the rotary stepping motor 8 drives the small slewing bearing 7 to rotate to drive the welding gun to point to the welding seam, the transverse electric sliding table 4 wants to walk along the welding seam at a welding speed, difference operation is carried out on the reading of the second laser displacement sensor 14 and the reading of the first laser displacement sensor 13 in real time, when the difference value is increased, the first laser displacement sensor 13 and the second displacement sensor 14 are respectively irradiated to two sides of the lap-joint welding seam, and at the moment, the PLC control system controls the gantry electric roller 2 to move forwards along the ground rail 1 to realize automatic tracking of the welding seam; when the difference value becomes smaller, the first laser displacement sensor 13 and the second displacement sensor 14 respectively irradiate one side of the lap weld, and at the moment, the PLC control system controls the gantry electric roller 2 to move back and forth along the ground rail 1 to realize automatic tracking of the weld.
In conclusion, the welding gun 15 continuously moves on the workpiece 16 in the lap weld in four directions, so that the automatic tracking welding of the upper part, the lower part, the left part and the right part of the lap weld is realized, the labor intensity is reduced, and the welding quality is ensured.
The components used in the present invention are all common standard components or components known to those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a lap weld automatic tracking welding set which characterized in that: the welding machine comprises a machine head, wherein the machine head comprises a machine head vertical mounting plate, a machine head horizontal mounting plate is fixedly arranged on the machine head vertical mounting plate, a small slewing bearing and a rotary stepping motor are fixedly arranged on the machine head horizontal mounting plate, the small slewing bearing is rotatably provided with a rotary support, the rotary support is slidably provided with a vertical electric sliding table, a sliding table connecting plate is fixedly arranged on the vertical electric sliding table, and the sliding table connecting plate is fixedly provided with a laser sensor box and a welding gun; a first laser displacement sensor and a second laser displacement sensor are fixedly arranged inside the laser sensor box;
the machine head is arranged on the transverse electric sliding table in a sliding manner, the transverse electric sliding table is fixedly arranged on a cross beam at the front end of the portal frame, portal frame electric rollers are arranged at the bottoms of the vertical parts at two sides of the portal frame, the portal frame electric rollers are arranged on the ground rail in a sliding manner, and the ground rail is fixed on the ground;
a welded workpiece is fixedly arranged on the ground at the inner side of the portal frame;
portal frame electric roller, horizontal electronic slip table, rotatory step motor and vertical electronic slip table respectively through interconnecting link and PLC control system electric connection, PLC control system installs in the control box.
2. The lap weld automatic tracking welding device of claim 1, characterized in that: the stroke of the transverse electric sliding table is greater than the maximum width of the workpiece, and the stroke of the ground rail is greater than the maximum length of the workpiece.
3. The lap weld automatic tracking welding device of claim 1, characterized in that: the stroke of the vertical electric sliding table is larger than the maximum height difference of the workpiece.
4. The lap weld automatic tracking welding device of claim 1, characterized in that: the interior of the gantry electric roller is driven by a stepping motor.
5. The lap weld automatic tracking welding device of claim 1, characterized in that: the small slewing bearing can be driven to rotate for 360 degrees by a rotary stepping motor.
6. The lap weld automatic tracking welding device of claim 1, characterized in that: and irradiation points of the first laser displacement sensor and the second laser displacement sensor are arranged at the wire outlet of the welding gun.
7. The lap weld automatic tracking welding device of claim 1, characterized in that: the portal frame is of a trapezoidal frame structure with a narrow top and a wide bottom, and two ends of the bottom of the vertical part are respectively provided with a portal frame electric roller.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921679808 | 2019-10-09 | ||
| CN2019216798081 | 2019-10-09 |
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| Publication Number | Publication Date |
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| CN211840695U true CN211840695U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020146491.1U Active CN211840695U (en) | 2019-10-09 | 2020-01-23 | Automatic tracking welding device for lap weld |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927223A (en) * | 2021-10-14 | 2022-01-14 | 广东斯丹诺智能装备有限公司 | Automatic welding gantry for side plate of aluminum carriage |
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2020
- 2020-01-23 CN CN202020146491.1U patent/CN211840695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927223A (en) * | 2021-10-14 | 2022-01-14 | 广东斯丹诺智能装备有限公司 | Automatic welding gantry for side plate of aluminum carriage |
| CN113927223B (en) * | 2021-10-14 | 2023-11-21 | 广东斯丹诺智能装备有限公司 | Automatic welding gantry for side plates of aluminum van |
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