Metal material laser welding device

Abstract

The invention discloses a metal material laser welding device, and particularly relates to the technical field of metal welding, the metal material laser welding device comprises a mounting back plate, the upper end of the mounting back plate is fixedly connected with a top plate, the lower end of the top plate is fixedly connected with two groups of cylinders, and the lower end of each group of cylinder extends to be provided with a telescopic rod; a lifting plate is fixedly connected to the lower ends of the two sets of telescopic rods, two sets of special-shaped rods are fixedly connected to the lower end of the lifting plate, a rail frame is fixedly connected to the front side of the mounting back plate, and two sets of clamping blocks are slidably connected to the rail frame in a buckled mode; according to the device, the air cylinder can drive the lifting plate to descend through the telescopic rod, so that the special-shaped rod drives the clamping blocks to get close to press a second workpiece and a third workpiece, the second workpiece and the third workpiece are downwards pressed into the first workpiece, and when the telescopic rod drives the lifting plate to ascend, the laser welding gun welds the second workpiece and the third workpiece; and welding assembly of the first workpiece, the second workpiece and the third workpiece is completed.

Description

Technical Field

[0001] The present invention relates to the technical field of metal welding, and more specifically, to a metal material laser welding device. Background Art

[0002] Metal materials usually need to be welded together. The existing metal material laser welding device only has a single welding function, but cannot realize the combination of multiple workpieces and detect the size after the combination, screen out defective products, and has weak functionality. Summary of the invention

[0003] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a laser welding device for metal materials. The technical problem to be solved by the present invention is that the existing laser welding device for metal materials only has a single welding function, and cannot realize the combination of multiple workpieces and detect the dimensions after the combination, screen out defective products, and has weak functionality.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a laser welding device for metal materials, comprising a mounting backplate, the upper end of the mounting backplate is fixedly connected to a top plate, the lower end of the top plate is fixedly connected to two groups of cylinders, a telescopic rod is extended from the lower end of each group of the cylinders, the lower ends of the two groups of telescopic rods are fixedly connected to a lifting plate, the lower ends of the lifting plates are fixedly connected to two groups of special-shaped rods, the front side of the mounting backplate is fixedly connected to a track frame, two groups of clamping blocks are connected to the sliding buckles on the track frame, each group of the clamping blocks is provided with a track groove, and the track groove is slidably connected to the special-shaped rod, and one side of each group of the clamping blocks is fixedly connected to a rubber clamping block.

[0005] In a preferred embodiment, a first blanking chute is fixedly connected to the lower end of the top plate, and the first blanking chute is slidably connected to the lifting plate, and a plurality of groups of second workpieces are contained in the first blanking chute; a second blanking chute is fixedly connected to the lower end of the top plate, and the second blanking chute is slidably connected to the lifting plate, and a plurality of groups of third workpieces are contained in the second blanking chute.

[0006] In a preferred embodiment, the lower end of the lifting plate is fixedly connected to an outer rod, the top of the inner wall of the outer rod is fixedly connected to a spring, the lower end of the spring is fixedly connected to a pressure rod, and the pressure rod is slidably connected to the inner wall of the outer rod, and a group of laser welding guns are fixedly connected to the front and rear sides of the outer rod.

[0007] In a preferred embodiment, a laser rangefinder is fixedly connected to the top of the inner wall of the outer sleeve rod, and a receiving module is fixedly connected to the top of the pressure rod, and the receiving module corresponds to the position of the laser rangefinder.

[0008] In a preferred embodiment, a sliding track is fixedly connected to the front side of the mounting back plate, and a blanking hole is provided on the sliding track.

[0009] In a preferred embodiment, a placement base plate is fixedly connected to the front side of the mounting back plate, and a first workpiece is placed on the upper end of the placement base plate.

[0010] In a preferred embodiment, a plurality of groups of snap-in holes are disposed on one side of the second workpiece, and a plurality of groups of snap-in protrusions are fixedly connected to one side of the third workpiece, and the snap-in protrusions correspond to the positions of the snap-in holes.

[0011] Technical effects and advantages of the present invention: 1. The cylinder of the device can drive the lifting plate to descend through the telescopic rod, thereby driving the clamping block to approach and press the second workpiece and the third workpiece through the special-shaped rod, and press the second workpiece and the third workpiece down into the first workpiece. When the telescopic rod drives the lifting plate to rise, the laser welding gun welds the second workpiece and the third workpiece to complete the welding assembly of the first workpiece, the second workpiece, and the third workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a stereogram of the present invention.

[0013] Figure 2 It is a cross-sectional view of the first state of the present invention.

[0014] Figure 3 for Figure 1 A is an enlarged view of the middle image.

[0015] Figure 4 for Figure 2 Enlarged view of B.

[0016] Figure 5 It is a cross-sectional view of the second state of the present invention.

[0017] Figure 6 It is a cross-sectional view of the third state of the present invention.

[0018] Figure 7 It is a cross-sectional view of the fourth state of the present invention.

[0019] Figure 8 It is a cross-sectional view of the fifth state of the present invention.

[0020] Fig. 9 It is a left view of the present invention.

[0021] Fig.10 It is a three-dimensional diagram of the third workpiece and the clamping protrusion of the present invention.

[0022] Fig.11 It is a three-dimensional diagram of the placement table of the present invention.

[0023] The accompanying drawings are marked as follows: 1. Place the bottom plate; 2. Install the back plate; 3. The first workpiece; 4. Sliding track; 5. Blanking hole; 6. Clamping block; 7. Track groove; 8. Special-shaped rod; 9. Lifting plate; 10. Telescopic rod; 11. Cylinder; 12. Top plate; 13. First blanking trough; 14. Second blanking trough; 15. Outer rod; 16. Laser welding gun; 17. Pressure rod; 18. Track frame; 19. Rubber clamp block; 20. Laser rangefinder; 21. Spring; 22. Receiving module; 23. The second workpiece; 24. Snap-in hole; 25. The third workpiece; 26. Snap-in protrusion. DETAILED DESCRIPTION

[0024] Depend on Figure 1-11 The present invention provides a metal material laser welding device, comprising a mounting back plate 2, the upper end of the mounting back plate 2 is fixedly connected to a top plate 12, the lower end of the top plate 12 is fixedly connected to two groups of cylinders 11, the lower end of each group of the cylinders 11 is extended with a telescopic rod 10, the lower ends of the two groups of telescopic rods 10 are fixedly connected to a lifting plate 9, the lower end of the lifting plate 9 is fixedly connected to two groups of special-shaped rods 8, the front side of the mounting back plate 2 is fixedly connected to a track frame 18, and a sliding card on the track frame 18 is provided. There are two groups of clamping blocks 6 connected by buckles, each group of the clamping blocks 6 is provided with a track groove 7, and the track groove 7 is slidably connected to the special-shaped rod 8, and one side of each group of the clamping blocks 6 is fixedly connected with a rubber clamping block 19; when the cylinder 11 is started, the lifting plate 9 is driven down through the telescopic rod 10, and the special-shaped rod 8 will cooperate with the track groove 7 to drive the two groups of clamping blocks 6 to approach each other (the special-shaped rod 8 has an oblique corner, and the track groove 7 is a flat oblique hourglass shape), pushing the second workpiece 23 and the third workpiece 25 that fall onto the sliding track 4 to approach and engage.

[0025] The lower end of the top plate 12 is fixedly connected with a first blanking chute 13, and the first blanking chute 13 is slidably connected to the lifting plate 9 (the first blanking chute 13 can realize the sliding guiding function of the lifting plate 9), and the first blanking chute 13 is equipped with multiple groups of second workpieces 23, and the lower end of the top plate 12 is fixedly connected with a second blanking chute 14, and the second blanking chute 14 is slidably connected to the lifting plate 9 (the second blanking chute 14 can realize the sliding guiding function of the lifting plate 9), and the second blanking chute 14 is equipped with multiple groups of third workpieces 25; the lowest group of second workpieces 23 in the first blanking chute 13 falls onto the sliding track 4, and the lowest group of third workpieces 25 in the second blanking chute 14 also falls onto the sliding track 4.

[0026] The lower end of the lifting plate 9 is fixedly connected to an outer rod 15, and the top of the inner wall of the outer rod 15 is fixedly connected to a spring 21, and the lower end of the spring 21 is fixedly connected to a pressure rod 17, and the pressure rod 17 is slidably connected to the inner wall of the outer rod 15, and a group of laser welding guns 16 are fixedly connected to the front and rear sides of the outer rod 15; the top of the inner wall of the outer rod 15 is fixedly connected to a laser rangefinder 20, and the top of the pressure rod 17 is fixedly connected to a receiving module 22, and the receiving module 22 corresponds to the position of the laser rangefinder 20 (laser ranging is a prior art); the front side of the mounting back plate 2 is fixedly connected to a sliding track 4, and a blanking hole 5 is provided on the sliding track 4; Figure 6 Status Movement Figure 7 In the state shown, when the second workpiece 23 and the third workpiece 25 are not completely assembled, the second workpiece 23 and the third workpiece 25 cannot pass through the blanking hole 5, the pressure rod 17 will be compressed in advance, and the laser rangefinder 20 will detect that the distance between the outer rod 15 and the pressure rod 17 changes significantly in advance and alarm (the distance is shortened in advance), and the cylinder 11 will be lifted to the initial position (at this time, the unqualified assembly parts can be removed, thereby realizing the function of size detection); Figure 8 Exercise to Figure 7 During the process, the laser rangefinder 20 will detect that the distance between the receiving module 22 and the laser rangefinder 20 increases (at this time, the sizes of the second workpiece 23, the third workpiece 25, and the first workpiece 3 have been detected to be qualified). At this time, the laser welding gun 16 is started to weld the gap between the second workpiece 23 and the third workpiece 25.

[0027] The front side of the mounting back plate 2 is fixedly connected to a placement base plate 1, and a first workpiece 3 is placed on the upper end of the placement base plate 1; a plurality of groups of snap-in holes 24 are arranged on one side of the second workpiece 23, and a plurality of groups of snap-in protrusions 26 are fixedly connected to one side of the third workpiece 25, and the snap-in protrusions 26 correspond to the positions of the snap-in holes 24.

[0028] The device is used for welding metal materials. The device is hung on the workbench ( Fig.11 )superior.

[0029] The device is fixed on the workbench by bolts (suspended state). When working, firstly, multiple groups of second workpieces 23 are added to the first blanking trough 13, and multiple groups of third workpieces 25 are added to the second blanking trough 14. The bottom group of second workpieces 23 in the first blanking trough 13 falls on the sliding track 4, and the bottom group of third workpieces 25 in the second blanking trough 14 also falls on the sliding track 4. The external manipulator moves a group of first workpieces 3 to the placement base plate 1, and the two groups of cylinders 11 are started, and the lifting plate 9 is driven down by the telescopic rod 10. The device is first operated by Figure 2 Status Movement Figure 5 The status shown is then Figure 5 Status Movement Figure 6In the state shown, during this process, the special-shaped rod 8 cooperates with the track groove 7 to drive the two groups of clamping blocks 6 to approach each other, and push the second workpiece 23 and the third workpiece 25 that fall on the sliding track 4 to be assembled and engaged (when the two groups of clamping blocks 6 move away from each other and pass the bottom of the first blanking trough 13 and the second blanking trough 14, the second workpiece 23 and the third workpiece 25 are automatically unloaded respectively), and the telescopic rod 10 continues to drive the lifting plate 9 to descend. Figure 6 Status Movement Figure 7 In the state shown, during this process, the pressure rod 17 will press the combination of the second workpiece 23 and the third workpiece 25 to descend (through the blanking hole 5), and finally insert it into the first workpiece 3. The blanking hole 5 can play a role in detecting the outer dimensions of the combination. When the second workpiece 23 and the third workpiece 25 are not completely combined, the combination of the second workpiece 23 and the third workpiece 25 cannot pass through the blanking hole 5, the pressure rod 17 will be compressed in advance, and the laser rangefinder 20 will detect that the distance between the outer rod 15 and the pressure rod 17 has changed significantly in advance and alarm (the distance is shortened in advance), and the cylinder 11 will be lifted to the initial position to remove the combination of the second workpiece 23 and the third workpiece 25 (at this time, the unqualified assembly parts can be removed, thereby realizing the function of size detection); then the device is Figure 7 Status Movement Figure 8 In the state shown (at this time, the pressure rod 17 is retracted into the outer rod 15 until the outer rod 15 is in close contact with the bottom end of the inner wall of the second workpiece 23 and the third workpiece 25 combination), the telescopic rod 10 is also extended to the limit; then the cylinder 11 drives the telescopic rod 10 to retract, and the telescopic rod 10 is retracted by the cylinder 11. Figure 8 Exercise to Figure 7 During the process, the laser welding gun 16 is started to weld the gap between the second workpiece 23 and the third workpiece 25. During the whole welding process, the track groove 7 will exert a downward force on the second workpiece 23 and the third workpiece 25, effectively preventing the second workpiece 23 and the third workpiece 25 from deforming during the welding process and being unable to assemble the first workpiece 3. Figure 7 When the laser welding gun 16 stops in the state, the device continues to move to the initial state. At this time, the external manipulator takes off the final assembly of the first workpiece 3, the second workpiece 23, and the third workpiece 25 after welding, and replaces the new first workpiece 3. Figure 6 Status Movement Figure 5 During the state, the special-shaped rod 8 will drive the clamping blocks 6 to move away from each other. Figure 5 When the second workpiece 23 and the third workpiece 25 are in the same position, a new second workpiece 23 and a third workpiece 25 will fall onto the sliding track 4, and the above process can be repeated.

[0030] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal material laser welding device, comprising a mounting back plate (2), characterized in that: The upper end of the mounting back plate (2) is fixedly connected to a top plate (12), the lower end of the top plate (12) is fixedly connected to two groups of cylinders (11), the lower end of each group of cylinders (11) is extended with a telescopic rod (10), the lower ends of the two groups of telescopic rods (10) are fixedly connected to a lifting plate (9), the lower ends of the lifting plates (9) are fixedly connected to two groups of special-shaped rods (8), the front side of the mounting back plate (2) is fixedly connected to a track frame (18), the track frame (18) is slidably connected to two groups of clamping blocks (6), each group of the clamping blocks (6) is provided with a track groove (7), and the track groove (7) is slidably connected to the special-shaped rod (8), and one side of each group of the clamping blocks (6) is fixedly connected to a rubber clamping block (19).

2. A metal material laser welding device according to claim 1, characterized in that: A first blanking chute (13) is fixedly connected to the lower end of the top plate (12), and the first blanking chute (13) is slidably connected to the lifting plate (9), and a plurality of groups of second workpieces (23) are contained in the first blanking chute (13). A second blanking chute (14) is fixedly connected to the lower end of the top plate (12), and the second blanking chute (14) is slidably connected to the lifting plate (9), and a plurality of groups of third workpieces (25) are contained in the second blanking chute (14).

3. The metal material laser welding device according to claim 1, characterized in that: The lower end of the lifting plate (9) is fixedly connected to an outer sleeve rod (15), the top end of the inner wall of the outer sleeve rod (15) is fixedly connected to a spring (21), the lower end of the spring (21) is fixedly connected to a pressure rod (17), and the pressure rod (17) is slidably connected to the inner wall of the outer sleeve rod (15), and a group of laser welding guns (16) are fixedly connected to the front and rear sides of the outer sleeve rod (15).

4. A metal material laser welding device according to claim 3, characterized in that: A laser rangefinder (20) is fixedly connected to the top of the inner wall of the outer sleeve rod (15), and a receiving module (22) is fixedly connected to the top of the pressure rod (17), and the receiving module (22) corresponds to the laser rangefinder (20) in position.

5. The metal material laser welding device according to claim 1, characterized in that: The front side of the mounting back plate (2) is fixedly connected to a sliding track (4), and a material drop hole (5) is provided on the sliding track (4).

6. The metal material laser welding device according to claim 1, characterized in that: The front side of the mounting back plate (2) is fixedly connected to a placement base plate (1), and a first workpiece (3) is placed on the upper end of the placement base plate (1).

7. A metal material laser welding device according to claim 2, characterized in that: A plurality of groups of clamping holes (24) are provided on one side of the second workpiece (23), and a plurality of groups of clamping protrusions (26) are fixedly connected to one side of the third workpiece (25), and the positions of the clamping protrusions (26) and the clamping holes (24) correspond.

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