Visual guidance welding seam tracking laser welding equipment
By using the fixing and adjustment mechanism of the laser welding equipment with vision-guided weld seam tracking, the problem of loose plate connection during welding was solved, and the stable clamping and position adjustment of the workpiece were achieved, thus improving the welding quality.
Patent Information
- Application Number
- CN202422683757.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-05
AI Technical Summary
During the welding process, it is difficult for the two plates to be welded to maintain a tight connection, which affects the welding quality.
A vision-guided weld seam tracking laser welding device was designed, comprising a fixing mechanism, an adjustment mechanism, and a welding mechanism. The workpiece is clamped and fixed, and the welding position can be freely adjusted. The laser welding head is used for focusing and moving along the weld seam for welding.
This achieves stable clamping and positioning of the workpiece, thus improving welding quality.
Smart Images

Figure CN223455281U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to laser welding technical field especially relates to a visual guidance weld tracking laser welding equipment. BACKGROUND
[0002] Laser welding is a kind of high-efficiency precision welding method using high-energy density laser beam as heat source, and it is one of important aspects of laser material processing technology application, and welding process belongs to heat conduction type, that is, laser radiation heats workpiece surface, and surface heat diffuses to interior through heat conduction, and by controlling parameters such as width, energy, peak power and repetition frequency of laser pulse, workpiece is melted, and specific molten pool is formed, and due to its unique advantages, it has been successfully applied in precision welding of micro and small parts.
[0003] In the process of welding workpiece, the two plate materials to be welded are placed together, and then welded, however, the two welding surfaces cannot be guaranteed to be connected during welding, and the close fit is easy to affect the product quality after welding.
[0004] Therefore, it is necessary to provide a new visual guidance weld tracking laser welding equipment to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model solves the technical problem to provide a visual guidance weld tracking laser welding equipment that can clamp and fix workpiece, freely adjust welding position and improve welding quality.
[0006] To solve the above technical problem, the visual guidance weld tracking laser welding equipment provided by the utility model comprises a workbench, and a fixing mechanism, an adjusting mechanism and a welding mechanism are arranged on the workbench.
[0007] The fixing mechanism comprises a placing table, a first motor, a fixing shaft, a gear, two strip-shaped slides, four clamping plates, two rectangular rods and two toothed plates, the placing table is fixedly installed on the top of the workbench, the first motor is fixedly installed on the bottom of the workbench, the fixing shaft is fixedly installed on the output shaft of the first motor, the top end of the fixing shaft extends into the placing table and is rotationally connected with the workbench, the gear is fixedly installed on the top of the fixing shaft, the two strip-shaped slides are slidingly installed in the placing table, the four clamping plates are fixedly installed on the top of the two strip-shaped slides respectively, the two rectangular rods are fixedly installed on the side of the two strip-shaped slides close to each other respectively, the two toothed plates are fixedly installed on the side of the two rectangular rods respectively, and the toothed plates are engaged with the gear.
[0008] The adjusting mechanism comprises two fixed plates, a first screw rod, a second motor, a first internally-threaded sliding block, a stand, a cross frame, an adjusting groove, a second screw rod, a third motor and a second internally-threaded sliding block, the two fixed plates are fixedly installed on the top of the workbench, the first screw rod is rotatably installed on the two fixed plates, the second motor is fixedly installed on one side of the corresponding fixed plate, the output shaft of the second motor is fixedly connected with one end of the first screw rod, the first internally-threaded sliding block is threadedly sleeved on the first screw rod, the stand is fixedly installed on the top of the first internally-threaded sliding block, the cross frame is fixedly installed on one side of the stand, the adjusting groove is formed in the bottom of the cross frame, the second screw rod is rotatably installed in the adjusting groove, the third motor is fixedly installed on the cross frame, the output shaft of the third motor is fixedly connected with one end of the second screw rod, and the second internally-threaded sliding block is threadedly sleeved on the second screw rod.
[0009] As a further scheme of the utility model, the welding mechanism comprises an electric telescopic rod, a mounting plate, a laser welding head and a laser vision sensor, the electric telescopic rod is fixedly installed at the bottom of the second internally-threaded sliding block, the mounting plate is fixedly installed on the output shaft of the electric telescopic rod, the laser welding head is fixedly installed at the bottom of the mounting plate, and the laser vision sensor is fixedly installed at the bottom of the mounting plate.
[0010] As a further scheme of the utility model, the top of the placing table is provided with four strip-shaped grooves, the clamping plate penetrates through the strip-shaped grooves and is in sliding connection with the strip-shaped grooves.
[0011] As a further scheme of the utility model, one end of each of the two rectangular rods is provided with a circular sliding groove, a connecting rod is slidably installed in each of the two circular sliding grooves, and one end of each of the two connecting rods is fixedly connected with a strip-shaped sliding plate.
[0012] As a further scheme of the utility model, two guide sliding rods are fixedly installed on the two fixed plates, and the two guide sliding rods penetrate through and are in sliding connection with the first internally-threaded sliding block.
[0013] As a further scheme of the utility model, four supporting legs are fixedly installed at the bottom of the workbench, and the four supporting legs are arranged in a rectangular array.
[0014] Compared with the related art, the visual-guided welding seam tracking laser welding equipment has the following beneficial effects:
[0015] 1. The fixing mechanism is arranged, so that the workpiece can be clamped and fixed after being placed on the top of the placing table.
[0016] 2. The adjusting mechanism is arranged, so that the position of the laser welding head can be adjusted to weld different positions of the workpiece.
[0017] 3、The utility model discloses a welding mechanism is set up, can make laser welding head lower focus after moving and welds work piece. BRIEF DESCRIPTION OF DRAWINGS
[0018] For the convenience of those skilled in the art, the utility model is further explained below in combination with the drawings.
[0019] Figure 1 The utility model provides visual guidance weld tracking laser welding equipment three -dimensional structure schematic view;
[0020] Figure 2 The utility model provides visual guidance weld tracking laser welding equipment first partial structure schematic view;
[0021] Figure 3 The utility model provides visual guidance weld tracking laser welding equipment second partial structure schematic view.
[0022] In the drawing: 1, workbench;2, place the stage;3, first motor;4, fixed shaft;5, gear;6, strip slide plate;7, clamping plate;8, rectangular rod;9, toothed plate;10, fixed plate;11, first screw;12, second motor;13, first internal thread sliding block;14, stand;15, cross frame;16, adjusting groove;17, second screw;18, third motor;19, second internal thread sliding block;20, electric telescopic rod;21, mounting plate;22, laser welding head;23, laser vision sensor. DETAILED DESCRIPTION
[0023] Please refer to Figure 1 , Figure 2 And Figure 3 Among them, Figure 1 The utility model provides visual guidance weld tracking laser welding equipment three -dimensional structure schematic view; Figure 2 The utility model provides visual guidance weld tracking laser welding equipment first partial structure schematic view; Figure 3 The utility model provides visual guidance weld tracking laser welding equipment second partial structure schematic view. Visual guidance weld tracking laser welding equipment includes: workbench 1, be provided with fixed mechanism, adjusting mechanism and welding mechanism on the workbench 1;
[0024] The fixing mechanism comprises a placing table 2, a first motor 3, a fixed shaft 4, a gear 5, two strip-shaped sliding plates 6, four clamping plates 7, two rectangular rods 8 and two toothed plates 9, the placing table 2 is fixedly installed at the top of the workbench 1, the first motor 3 is fixedly installed at the bottom of the workbench 1, the fixed shaft 4 is fixedly installed on the output shaft of the first motor 3, the top end of the fixed shaft 4 extends into the placing table 2 and is rotationally connected with the workbench 1, the gear 5 is fixedly installed at the top of the fixed shaft 4, the two strip-shaped sliding plates 6 are both slidingly installed in the placing table 2, the four clamping plates 7 are respectively fixedly installed at the top of the two strip-shaped sliding plates 6, the two rectangular rods 8 are respectively fixedly installed at the side, close to each other, of the two strip-shaped sliding plates 6, and the two toothed plates 9 are respectively fixedly installed at the side of the two rectangular rods 8, and the toothed plates 9 are engaged with the gear 5.
[0025] The adjusting mechanism comprises two fixed plates 10, a first screw rod 11, a second motor 12, a first internally-threaded sliding block 13, a stand 14, a cross frame 15, an adjusting groove 16, a second screw rod 17, a third motor 18 and a second internally-threaded sliding block 19, the two fixed plates 10 are both fixedly installed at the top of the workbench 1, the first screw rod 11 is rotationally installed on the two fixed plates 10, the second motor 12 is fixedly installed at the side of the corresponding fixed plate 10, the output shaft of the second motor 12 is fixedly connected with one end of the first screw rod 11, the first internally-threaded sliding block 13 is threadedly sleeved on the first screw rod 11, the stand 14 is fixedly installed at the top of the first internally-threaded sliding block 13, the cross frame 15 is fixedly installed at the side of the stand 14, the adjusting groove 16 is formed at the bottom of the cross frame 15, the second screw rod 17 is rotationally installed in the adjusting groove 16, the third motor 18 is fixedly installed on the cross frame 15, the output shaft of the third motor 18 is fixedly connected with one end of the second screw rod 17, and the second internally-threaded sliding block 19 is threadedly sleeved on the second screw rod 17.
[0026] As shown in Figure 3 The welding mechanism comprises an electric telescopic rod 20, a mounting plate 21, a laser welding head 22 and a laser vision sensor 23, the electric telescopic rod 20 is fixedly installed at the bottom of the second internally-threaded sliding block 19, the mounting plate 21 is fixedly installed on the output shaft of the electric telescopic rod 20, the laser welding head 22 is fixedly installed at the bottom of the mounting plate 21, and the laser vision sensor 23 is fixedly installed at the bottom of the mounting plate 21.
[0027] By arranging the welding mechanism, the laser welding head 22 can be lowered for focusing and then welding the workpiece.
[0028] As shown in Figure 2 The top of the placing table 2 is provided with four strip-shaped grooves, and the clamping plates 7 penetrate through the strip-shaped grooves and are in sliding connection with the strip-shaped grooves.
[0029] By setting the strip-shaped slot, the clamping plate 7 can be conveniently placed through the placement table 2 and moved.
[0030] As shown in Figure 2 The two rectangular rods 8 are provided with a circular sliding groove at one end, and a connecting rod is slidably installed in each of the two circular sliding grooves.
[0031] By setting the circular sliding groove and the connecting rod, the strip-shaped slide plate 6 can be guided and limited, and the strip-shaped slide plate 6 can move smoothly.
[0032] As shown in Figure 1 Two guide sliding rods are fixedly installed on the two fixed plates 10, and the two guide sliding rods penetrate through and are slidably connected with the first internal threaded sliding block 13.
[0033] By setting the guide sliding rod, the first internal threaded sliding block 13 can be supported and guided, and the first internal threaded sliding block 13 can move smoothly.
[0034] As shown in Figure 1 The bottom of the workbench 1 is fixedly installed with four supporting legs, and the four supporting legs are arranged in a rectangular array.
[0035] By setting the supporting leg, the device can be supported, and the stability of the device during use can be improved.
[0036] The working principle of the visual guidance weld tracking laser welding equipment provided by the utility model is as follows:
[0037] First step: when in use, place the two workpieces to be welded on the top of the placement table 2, start the first motor 3, the first motor 3 drives the fixed shaft 4 and the gear 5 to rotate, the gear 5 drives the two toothed plates 9 to move, the two toothed plates 9 drive the rectangular rods 8 to move, and the rectangular rods 8 drive the strip-shaped slide plates 6 and the clamping plates 7 to move close to each other, so as to clamp and fix the two workpieces.
[0038] Second step: start the second motor 12, the second motor 12 drives the first screw rod 11 to rotate, the first screw rod 11 drives the first internal threaded sliding block 13 to move, the first internal threaded sliding block 13 drives the vertical column 14 to move, so that the laser welding head 22 is located above the weld, start the electric telescopic rod 20, the electric telescopic rod 20 drives the mounting plate 21 to move downward, the mounting plate 21 drives the laser welding head 22 to move downward, and the focusing is performed, and the laser welding head 22 can be started to perform the welding work.
[0039] Third step: when welding, start the third motor 18, the third motor 18 drives the second screw rod 17 to rotate, the second screw rod 17 drives the second internal thread sliding block 19 to move, thereby make the laser welding head 22 along the weld moves, complete the welding work.
[0040] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the technical personnel in the field understand the principle of the above-mentioned utility model, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the technical personnel in the field;
[0041] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the technical personnel in the field, the structure and principle are known by the technical personnel in the field through the technical manual or through the conventional experimental method.
[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations or direct or indirect application can be made to these embodiments without departing from the principle and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents, and the same reason includes in the patent protection scope of the utility model.
Claims
1. A vision-guided seam tracking laser welding apparatus, characterized by, The utility model relates to a welding device for welding workpiece, which comprises a workbench, a fixing mechanism, an adjusting mechanism and a welding mechanism. The fixing mechanism comprises a placing table, a first motor, a fixing shaft, a gear, two strip-shaped slides, four clamping plates, two rectangular rods and two toothed plates, the placing table is fixedly installed on the top of the workbench, the first motor is fixedly installed on the bottom of the workbench, the fixing shaft is fixedly installed on the output shaft of the first motor, the top end of the fixing shaft extends into the placing table and is rotationally connected with the workbench, the gear is fixedly installed on the top of the fixing shaft, the two strip-shaped slides are slidingly installed in the placing table, the four clamping plates are fixedly installed on the top of the two strip-shaped slides respectively, the two rectangular rods are fixedly installed on the side of the two strip-shaped slides close to each other respectively, and the two toothed plates are fixedly installed on the side of the two rectangular rods respectively, and the toothed plates are engaged with the gear. The adjusting mechanism comprises two fixed plates, a first screw rod, a second motor, a first internal threaded sliding block, a stand, a crosspiece, an adjusting groove, a second screw rod, a third motor and a second internal threaded sliding block, the two fixed plates are fixedly installed on the top of the workbench, the first screw rod is rotationally installed on the two fixed plates, the second motor is fixedly installed on the side of the corresponding fixed plate, the output shaft of the second motor is fixedly connected with one end of the first screw rod, the first internal threaded sliding block is threadedly sleeved on the first screw rod, the stand is fixedly installed on the top of the first internal threaded sliding block, the crosspiece is fixedly installed on the side of the stand, the adjusting groove is formed in the bottom of the crosspiece, the second screw rod is rotationally installed in the adjusting groove, the third motor is fixedly installed on the crosspiece, the output shaft of the third motor is fixedly connected with one end of the second screw rod, and the second internal threaded sliding block is threadedly sleeved on the second screw rod. The welding mechanism comprises an electric telescopic rod, a mounting plate, a laser welding head and a laser vision sensor, the electric telescopic rod is fixedly installed on the bottom of the second internal threaded sliding block, the mounting plate is fixedly installed on the output shaft of the electric telescopic rod, the laser welding head is fixedly installed on the bottom of the mounting plate, and the laser vision sensor is fixedly installed on the bottom of the mounting plate.
2. The vision-guided seam tracking laser welding apparatus of claim 1, wherein: Four strip-shaped grooves are formed in the top of the placing table, the clamping plates penetrate through the strip-shaped grooves and are slidingly connected with the strip-shaped grooves.
3. The vision-guided seam tracking laser welding apparatus of claim 1, wherein: The ends of the two rectangular rods are provided with circular grooves, connecting rods are slidingly installed in the two circular grooves, and the ends of the two connecting rods are fixedly connected with the two strip-shaped slides respectively.
4. The vision-guided seam tracking laser welding apparatus of claim 1, wherein: Two guide sliding rods are fixedly installed on the two fixed plates, and the two guide sliding rods penetrate through and are slidingly connected with the first internal threaded sliding block.
5. The vision-guided seam tracking laser welding apparatus of claim 1, wherein: Four supporting legs are fixedly installed on the bottom of the workbench and are arranged in a rectangular array.
6. The vision-guided seam tracking laser welding apparatus of claim 1, wherein: