Intelligent laser welding robot

Abstract

The invention relates to the technical field of laser welding robots, and discloses an intelligent laser welding robot which comprises a welding platform, an annular groove is formed in the upper surface of the welding platform, a welding robot body is slidably connected to the inner surface of the annular groove, and a moving mechanism is arranged on the lower surface of the welding robot body. The moving mechanism comprises a driving bin, the lower surface of the driving bin is rotationally connected with a gear, the gear is fixedly connected with an output shaft of the driving bin, the inner surface of an annular groove is fixedly connected with tooth buds in a circumferential array shape, and the multiple sets of tooth buds are meshed with the gear. By means of the arrangement of the driving bin, the gear, the cleaning rod, the air outlet rod and the cleaning rod, the gear can be driven to rotate, the gear is matched with the tooth buds to drive the driving bin and the welding robot body to rotate around the welding platform, and therefore the function of multi-angle welding of parts is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of laser welding robots, in particular to an intelligent laser welding robot. Background Art

[0002] A laser welding robot is a robot that performs laser welding work. With the development of electronic technology, computer technology, numerical control and robotics technology, laser welding robot technology is becoming more and more mature. It mainly uses a programmable robotic arm to drive the welding head to move up and down, left and right, and even 360°, and can perform all-round welding work.

[0003] Chinese patent publication number CN 212384820 U discloses "an intelligent 3D laser welding robot, comprising a base plate, a mechanical arm body and a laser welding head arranged on the mechanical arm body, the mechanical arm body is fixedly connected to the upper surface of the base plate, the upper surface of the base plate is fixedly connected to a motor and an L-shaped mounting plate, the output end of the motor is fixedly connected to a fixed shaft, and the top of the fixed shaft is rotatably connected to the lower surface of the mounting plate. The utility model, through the mutual cooperation between the mechanical arm body, the motor, the mounting plate, the fixed shaft, the upper connecting shaft, the lower connecting shaft, the transmission mechanism and the clamping plate, when used, fixes two pipes to be welded between the two clamping plates, utilizes the motor to drive the fixed shaft to rotate, thereby driving the upper connecting shaft and the lower connecting shaft to rotate synchronously, thereby making the two pipes to be welded rotate synchronously, avoiding the problem of misalignment deviation of the pipes during rotation, and ensuring the quality of the pipes after welding".

[0004] During the conception process, the applicant searched a large number of patent documents on the patent network. For example, China Patent Publication No. CN212384820U discloses "an intelligent 3D laser welding robot". However, since most welding robots have a single function, they cannot rotate around the welded parts or pipes during welding. Therefore, multiple groups of welding robots are required for welding, which gradually increases the cost of welding. Therefore, an intelligent laser welding robot is proposed to solve the above-mentioned problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides an intelligent laser welding robot, which solves the problem that most welding robots are in a fixed mode to weld parts to be welded and cannot move, which restricts the welding robots.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an intelligent laser welding robot, comprising a welding platform, an annular groove is provided on the upper surface of the welding platform, a welding robot body is slidably connected to the inner surface of the annular groove, a moving mechanism is provided on the lower surface of the welding robot body, the moving mechanism comprises a driving warehouse, a gear is rotatably connected to the lower surface of the driving warehouse, the gear is fixedly connected to the output shaft of the driving warehouse, the inner surface of the annular groove is fixedly connected to tooth buds in a circular array, a plurality of groups of the tooth buds are meshed with gears, a cleaning rod is rotatably connected to the lower surface of the driving warehouse, and the cleaning rod is transmission-connected to the output shaft of the driving warehouse through a transmission belt.

[0007] Preferably, the cross-section of the driving chamber is arc-shaped, the driving chamber is slidably connected to the inner surface of the annular groove, and the outer arc surface of the cleaning rod is fixedly connected with a stop rod in a circular array.

[0008] Preferably, the rear surface of the driving compartment is fixedly connected to a hydraulic compartment, the front surface of the hydraulic compartment is fixedly connected to an air outlet rod in a linear array, and the inner surface of the air outlet rod is provided with a one-way valve.

[0009] Preferably, the inner surface of the hydraulic warehouse is hydraulically connected to a hydraulic rod, the hydraulic rod passes through the driving warehouse and is slidably connected to the driving warehouse, the lower surface of the hydraulic rod is fixedly connected to a connecting rod, the connecting rod passes through the driving warehouse and is slidably connected to the driving warehouse, the outer arc surface of the connecting rod is sleeved with a spring 1, one end of the spring 1 is fixedly connected to the driving warehouse, the connecting rod is fixedly connected to the other end of the spring 1, and the connecting rod is slidably connected to the support rod.

[0010] Preferably, an anti-collision mechanism is provided on the outer arc surface of the welding robot body, and the anti-collision mechanism includes a slide rod, one end of the slide rod is fixedly connected to the outer arc surface of the welding robot body in a circular array, the other end of the slide rod passes through the arc baffle and is slidably connected to the arc baffle, a spring 2 is sleeved on the outer arc surface of the slide rod, the inner surface of the arc baffle is fixedly connected to one end of the spring 2, and the welding robot body is fixedly connected to the other end of the spring 2.

[0011] Preferably, the outer arc surface of the welding robot body is slidably connected with a ring body, the ring body is hinged to one end of the bracket one, and the arc baffle is hinged to the other end of the bracket one.

[0012] Preferably, an emergency stop button is provided on the front surface of the driving compartment, and an extension plate is fixedly connected to the lower surface of the arc-shaped baffle, and the extension plate is in contact with the emergency stop button.

[0013] Preferably, a fixing mechanism is provided on the upper surface of the welding platform, and the fixing mechanism includes a bidirectional screw rod, which passes through the welding platform and is rotatably connected to the welding platform, and a clamping plate is slidably connected to the upper surface of the welding platform, and the bidirectional screw rod passes through the clamping plate and is threadedly connected to the clamping plate, and a groove is provided on the upper surface of the clamping plate, and a movable plate is slidably connected to the inner surface of the groove, and a small motor is fixedly connected to the rear surface of the movable plate, and a roller is fixedly connected to the output shaft of the small motor.

[0014] Preferably, a sliding groove is provided on the front surface of the splint, and a slider is slidably connected to the inner surface of the sliding groove. The slider is hinged to one end of bracket two, and the movable plate is hinged to the other end of bracket two. The inner surface of the sliding groove is fixedly connected to one end of spring three, and the slider is fixedly connected to the other end of spring three.

[0015] Compared with the prior art, the present invention provides an intelligent laser welding robot, which has the following beneficial effects: 1. This intelligent laser welding robot, using the setting of a driving chamber, gears, cleaning rods, exhaust rods and cleaning rods, can drive the gears to rotate. The gears cooperate with tooth buds to drive the driving chamber and the welding robot body to rotate around the welding platform, thereby realizing the function of multi-angle welding of parts.

[0016] 2. This intelligent laser welding robot is configured with an arc baffle, a slide rod, a ring body and a bracket. When the welding robot moves, after the welding robot comes into contact with other objects, the operation of the driving device in the driving bin is immediately released. Through this configuration, the entire device is made more stable.

[0017] 3. This intelligent laser welding robot uses a bidirectional screw, a clamp, a small motor and a roller. It cooperates with two sets of clamps to clamp two sets of parts. At the same time, it cooperates with the small motor and the roller. After the two sets of pipes are spliced ​​and welded at one place, it can drive the welded pipes to rotate, thereby improving the efficiency of pipe welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of an intelligent laser welding robot proposed by the present invention; Figure 2 The invention proposes an intelligent laser welding robot Figure 1 A schematic diagram of the structure enlargement of part A; Figure 3 This is a schematic diagram of the overall structure of an anti-collision mechanism of an intelligent laser welding robot proposed by the present invention; Figure 4 The invention proposes an intelligent laser welding robot Figure 3 A schematic diagram of the structure of part B in the middle is enlarged; Figure 5 This is a schematic diagram of the structural relationship between the extension plate and the emergency stop button of an intelligent laser welding robot proposed by the present invention; Figure 6 This is a schematic diagram of the overall structure of a driving chamber of an intelligent laser welding robot proposed in the present invention; Figure 7 This is a schematic diagram of the rear view structure of a driving compartment of an intelligent laser welding robot proposed in the present invention.

[0019] In the figure: 1. welding platform; 2. annular groove; 3. welding robot body; 4. moving mechanism; 41. driving chamber; 42. gear; 43. tooth bud; 44. cleaning rod; 45. push rod; 46. hydraulic chamber; 47. air outlet rod; 48. hydraulic rod; 49. connecting rod; 410. spring one; 5. anti-collision mechanism; 51. sliding rod; 52. arc baffle; 53. spring two; 54. ring body; 55. bracket one; 56. emergency stop button; 57. extension plate; 6. fixing mechanism; 61. bidirectional screw rod; 62. splint; 63. groove; 64. movable plate; 65. small motor; 66. roller; 67. slide groove; 68. slider; 69. bracket two; 610. spring three. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 7, an intelligent laser welding robot, including a welding platform 1, an annular groove 2 is provided on the upper surface of the welding platform 1, a welding robot body 3 is slidably connected to the inner surface of the annular groove 2, a moving mechanism 4 is provided on the lower surface of the welding robot body 3, the moving mechanism 4 includes a driving bin 41, a gear 42 is rotatably connected to the lower surface of the driving bin 41, the gear 42 is fixedly connected to the output shaft of the driving bin 41, a tooth bud 43 is fixedly connected to the inner surface of the annular groove 2 in a circumferential array, a plurality of groups of tooth buds 43 are meshed with the gear 42, a cleaning rod 44 is rotatably connected to the lower surface of the driving bin 41, a cleaning brush is fixedly provided on the outer arc surface of the cleaning rod 44 in a circumferential array, through this arrangement, foreign matter in the annular groove 2 can be cleaned to prevent the welding robot body from being damaged. When the driving chamber 41 is moving, there is an obstacle. The cleaning rod 44 is connected to the output shaft of the driving chamber 41 through a transmission belt. A motor is arranged in the driving chamber 41, and the motor can drive the gear 42 to rotate. The cross-sectional shape of the driving chamber 41 is arc-shaped. By setting the driving chamber 41 to be arc-shaped, it can cooperate with the annular groove 2, so that the welding robot body 3 can only move in the annular groove 2, and the movement trajectory of the welding robot body 3 is limited, thereby effectively ensuring the stability of the welding robot body 3 when moving. The driving chamber 41 is slidably connected to the inner surface of the annular groove 2. The outer arc surface of the cleaning rod 44 is fixedly connected with the support rod 45 in a circular array shape. The rear surface of the driving chamber 41 is fixedly connected with the hydraulic chamber 46, and the front surface of the hydraulic chamber 46 is a linear array. The air outlet rod 47 is fixedly connected to the driving chamber 41, and a one-way valve is arranged on the inner surface of the air outlet rod 47. The one-way valve is similar to the one-way valve in the swimming ring, so that the air outlet rod 47 can only discharge or inhale air. The inner surface of the hydraulic chamber 46 is hydraulically connected to a hydraulic rod 48. The hydraulic rod 48 passes through the driving chamber 41 and is slidably connected to the driving chamber 41. The lower surface of the hydraulic rod 48 is fixedly connected to a connecting rod 49. The lower surface of the connecting rod 49 is trapezoidal. Through the trapezoidal inclined surface, when the supporting rod 45 contacts the lower surface of the connecting rod 49, the connecting rod 49 will be driven to move upward. The connecting rod 49 passes through the driving chamber 41 and is slidably connected to the driving chamber 41. The outer arc surface of the connecting rod 49 is sleeved with a spring 410. One end of the spring 410 is fixedly connected to the driving chamber 41. The connecting rod 49 is connected to the spring 410. The other end of the spring 1 410 is fixedly connected, the connecting rod 49 is slidably connected to the support rod 45, and the outer arc surface of the welding robot body 3 is provided with an anti-collision mechanism 5, the anti-collision mechanism 5 includes a slide bar 51, one end of the slide bar 51 is fixedly connected to the outer arc surface of the welding robot body 3 in a circular array, the other end of the slide bar 51 passes through the arc baffle 52 and is slidably connected to the arc baffle 52, the outer arc surface of the slide bar 51 is sleeved with a spring 2 53, the inner surface of the arc baffle 52 is fixedly connected to one end of the spring 2 53, the welding robot body 3 is fixedly connected to the other end of the spring 2 53, the outer arc surface of the welding robot body 3 is slidably connected with a ring body 54, the ring body 54 is hinged to one end of a bracket 1 55, and the arc baffle 52 is hinged to the other end of the bracket 1 55.An emergency stop button 56 is provided on the front surface of the driving bin 41, and an extension plate 57 is fixedly connected to the lower surface of the arc-shaped baffle plate 52, and the extension plate 57 contacts the emergency stop button 56. A fixing mechanism 6 is provided on the upper surface of the welding platform 1, and the fixing mechanism 6 includes a bidirectional screw rod 61, and the bidirectional screw rod 61 penetrates the welding platform 1 and is rotatably connected to the welding platform 1. A clamping plate 62 is slidably connected to the upper surface of the welding platform 1, and the bidirectional screw rod 61 penetrates the clamping plate 62 and is threadedly connected to the clamping plate 62. A groove 63 is provided on the upper surface of the clamping plate 62, and a movable plate 64 is slidably connected to the inner surface of the groove 63. Through the setting of the groove 63, the movable plate 64 can be driven to move in the groove 63. Through this setting, the movable plate 64 can be more stable. A small motor 65 is fixedly connected to the rear surface of the movable plate 64, and the output shaft of the small motor 65 is fixedly connected to a roller 66. A slide groove 67 is provided on the surface, and a slider 68 is slidably connected to the inner surface of the slide groove 67. The slider 68 is hinged to one end of the bracket 2 69, and the movable plate 64 is hinged to the other end of the bracket 2 69. The inner surface of the slide groove 67 is fixedly connected to one end of the spring 3 610. The slide groove 67 is used to limit the slider 68, and the slider 68 can slide stably in the slide groove 67. The slider 68 is fixedly connected to the other end of the spring 3 610. The drive bin 41, gear 42, cleaning rod 44, air outlet rod 47, cleaning rod 44, arc baffle 52, slide rod 51, ring body 54, bracket 1 55, bidirectional screw rod 61, clamping plate 62, small motor 65 and roller 66 are arranged to realize the function of welding parts at multiple angles. At the same time, the whole equipment is made more stable. When welding parts, it can ensure that the parts will not shake due to external force, thereby improving the stability of the whole welding.

[0022] Working principle: when the welding robot body 3 needs to weld the parts on the welding platform 1, after placing the parts or two groups of pipes on the clamping plate 62, manually rotate the bidirectional screw rod 61, and the bidirectional screw rod 61 drives the clamping plate 62 to move toward the center of the welding platform 1 to achieve the function of clamping the two groups of parts, ensuring that the parts are more stable during welding. When welding two groups of pipes, after placing the pipes on the arc surface of the clamping plate 62, the elastic force of the spring three 610, the cooperation of the bracket two 69 and the slider 68 make the movable plate 64 move downward. After the movable plate 64 moves downward, it drives the roller 66 to move downward. After clamping one end of the pipe between the clamping plates 62, the bidirectional screw rod 61 is rotated. The screw rod 61 drives the clamping plate 62 to move the pipe onto the welding platform 1, so that the two groups of pipes are spliced, and after the welding robot body 3 is cooperated to weld one of the two groups of pipes, the small motor 65 is started, and the two groups of pipes are driven to rotate simultaneously through the roller 66, and the two groups of pipes are welded in all directions in cooperation with the welding robot body 3, and the motor in the driving bin 41 is started, and the motor drives the gear 42 to rotate, and the tooth bud 43 drives the welding robot body 3 to move around the welding platform 1. During the movement, the output shaft of the motor will drive the cleaning rod 44 to rotate, and the cleaning brush on the cleaning rod 44 will clean the tooth spacing in the tooth bud 43 to prevent the welding machine from When the robot body 3 moves, a jamming phenomenon may occur. At the same time, when the cleaning rod 44 rotates, the push rod 45 will squeeze the trapezoidal slope below the connecting rod 49, so that the connecting rod 49 moves upward. At the same time, when the connecting rod 49 moves upward, it will compress the spring 410. When the connecting rod 49 is not in contact with the push rod 45, the elastic force of the spring 410 is restored to continuously blow air into the annular groove 2 to prevent debris from accumulating and hindering the movement of the welding robot body 3. The connecting rod 49 drives the hydraulic rod 48 to move upward, generating air pressure in the hydraulic chamber 46. The air pressure emerges through the air outlet rod 47 to blow the debris accumulated in the annular groove 2 to prevent debris from accumulating and affecting the welding. The robot body 3 gets stuck when moving. At the same time, when the welding robot body 3 moves in the annular groove 2, if it comes into contact with other objects or people, it will preferentially come into contact with the arc baffle 52. After any group of arc baffles 52 is squeezed by an object, they will converge toward the center of the welding robot body 3. The arc baffle 52 cooperates with the bracket 1 55 to drive the ring body 54 to move upward, and at the same time compresses the spring 2 53. Multiple groups of arc baffles 52 are connected through the ring body 54 to drive four groups of arc baffles 52 to shrink toward the center of the welding robot body 3. At the same time, the extension plate 57 is driven to move toward the direction of the emergency stop button 56. Press the emergency stop button 56 to stop the drive compartment 41.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. An intelligent laser welding robot, comprising a welding platform (1), characterized in that: The upper surface of the welding platform (1) is provided with an annular groove (2), the inner surface of the annular groove (2) is slidably connected to a welding robot body (3), the lower surface of the welding robot body (3) is provided with a moving mechanism (4), the moving mechanism (4) comprises a driving bin (41), the lower surface of the driving bin (41) is rotatably connected to a gear (42), the gear (42) is fixedly connected to an output shaft of the driving bin (41), the inner surface of the annular groove (2) is fixedly connected to tooth buds (43) in a circumferential array, a plurality of groups of the tooth buds (43) are meshed with the gear (42), the lower surface of the driving bin (41) is rotatably connected to a cleaning rod (44), the cleaning rod (44) is transmission-connected to the output shaft of the driving bin (41) via a transmission belt.

2. The intelligent laser welding robot according to claim 1, characterized in that: The cross-section of the driving chamber (41) is in an arc shape. The driving chamber (41) is slidably connected to the inner surface of the annular groove (2). The outer arc surface of the cleaning rod (44) is fixedly connected to abutment rods (45) in a circumferential array.

3. The intelligent laser welding robot according to claim 2, characterized in that: The rear surface of the driving chamber (41) is fixedly connected to a hydraulic chamber (46), the front surface of the hydraulic chamber (46) is fixedly connected to air outlet rods (47) in a linear array, and the inner surface of the air outlet rods (47) is provided with a one-way valve.

4. The intelligent laser welding robot according to claim 3, characterized in that: The inner surface of the hydraulic bin (46) is hydraulically connected to a hydraulic rod (48), the hydraulic rod (48) passes through the drive bin (41) and is slidably connected to the drive bin (41), the lower surface of the hydraulic rod (48) is fixedly connected to a connecting rod (49), the connecting rod (49) passes through the drive bin (41) and is slidably connected to the drive bin (41), the outer arc surface of the connecting rod (49) is sleeved with a spring 1 (410), one end of the spring 1 (410) is fixedly connected to the drive bin (41), the connecting rod (49) is fixedly connected to the other end of the spring 1 (410), and the connecting rod (49) is slidably connected to the support rod (45).

5. The intelligent laser welding robot according to claim 4, characterized in that: The outer arc surface of the welding robot body (3) is provided with an anti-collision mechanism (5), and the anti-collision mechanism (5) comprises a slide bar (51), one end of the slide bar (51) is fixedly connected to the outer arc surface of the welding robot body (3) in a circular array, the other end of the slide bar (51) passes through an arc baffle (52) and is slidably connected to the arc baffle (52), a second spring (53) is sleeved on the outer arc surface of the slide bar (51), the inner surface of the arc baffle (52) is fixedly connected to one end of the second spring (53), and the welding robot body (3) is fixedly connected to the other end of the second spring (53).

6. The intelligent laser welding robot according to claim 5, characterized in that: The outer arc surface of the welding robot body (3) is slidably connected to a ring body (54), the ring body (54) is hinged to one end of the bracket one (55), and the arc baffle (52) is hinged to the other end of the bracket one (55).

7. The intelligent laser welding robot according to claim 6, characterized in that: An emergency stop button (56) is provided on the front surface of the drive compartment (41), and an extension plate (57) is fixedly connected to the lower surface of the arc-shaped baffle plate (52), wherein the extension plate (57) is in contact with the emergency stop button (56).

8. The intelligent laser welding robot according to claim 7, characterized in that: The upper surface of the welding platform (1) is provided with a fixing mechanism (6), the fixing mechanism (6) comprising a bidirectional screw rod (61), the bidirectional screw rod (61) passing through the welding platform (1) and being rotatably connected to the welding platform (1), the upper surface of the welding platform (1) being slidably connected to a clamping plate (62), the bidirectional screw rod (61) passing through the clamping plate (62) and being threadedly connected to the clamping plate (62), the upper surface of the clamping plate (62) being provided with a groove (63), the inner surface of the groove (63) being slidably connected to a movable plate (64), the rear surface of the movable plate (64) being fixedly connected to a small motor (65), and the output shaft of the small motor (65) being fixedly connected to a roller (66).

9. The intelligent laser welding robot according to claim 8, characterized in that: A slide groove (67) is provided on the front surface of the clamping plate (62), and a slider (68) is slidably connected to the inner surface of the slide groove (67), and the slider (68) is hinged to one end of the second bracket (69), and the movable plate (64) is hinged to the other end of the second bracket (69), and the inner surface of the slide groove (67) is fixedly connected to one end of the third spring (610), and the slider (68) is fixedly connected to the other end of the third spring (610).

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