Multi-purpose pipe automatic feeding and laser welding device

Abstract

The application belongs to a kind of multi-purpose pipe automatic feeding laser welding equipment, including mainframe, which is provided with feeding rotating assembly and bidirectional moving mechanism on the mainframe, quick-release feeding turntable is arranged on the rotating shaft of feeding rotating assembly, two moving tables of bidirectional moving mechanism are fixedly connected with sliding table, feeding guide rail assembly is arranged on the two sliding tables, feeding guide rail assembly includes fixed guide rail and adjusting guide rail, loose clamp air cylinder is fixedly connected below quick-release feeding turntable on the mainframe, push fork is fixedly connected on the piston rod of loose clamp air cylinder, pipe rotating assembly and pipe jacking assembly are fixedly arranged on the two sliding tables respectively, and laser welder is fixedly connected on the mainframe.The beneficial effects of the application are as follows:automatic flow and automatic rotating welding of pipe can be realized, production efficiency is improved, the device structure occupies small space, and laser processing and flow of pipe with different diameters and lengths can be adapted.

Description

Technical Field

[0001] This invention relates to the field of laser welding equipment, specifically to an automatic feeding laser welding equipment for multi-purpose pipe fittings. Background Technology

[0002] The core purpose of laser welding of pipe fittings is to utilize the high energy density, high precision, and high efficiency of lasers to achieve high-performance (high strength, high sealing, low deformation), high efficiency, high automation, and high-quality consistency connections. It is especially suitable for welding precision, thin-walled, irregularly shaped, dissimilar materials, mass production, and heat-sensitive pipe fittings.

[0003] A pipe fitting welding device, disclosed in CN118492733A, includes a worktable with two clamping units above it. An adjustment unit is also provided on the worktable, allowing adjustment of the tilt and rotation angles of one of the clamping units. A welding unit is located on the upper surface of the worktable. The adjustment unit comprises a fixed plate and an adjusting plate, rotatably connected by a rotating shaft. A cylinder is installed inside the worktable, with each cylinder's end rotatably connected to a connecting seat via a rotating shaft. Two connecting seats are respectively connected to the adjusting plate and the inner wall of the worktable. An actuator is located in the middle of the lower surface of the adjusting plate.

[0004] While existing welding equipment can automate the welding of pipe fittings, it cannot automate the transfer of pipe fittings or adapt to the welding of pipe fittings of different diameters. Its processing efficiency and applicability are relatively low. Therefore, a multi-purpose automatic feeding laser welding equipment for pipe fittings is needed. Summary of the Invention

[0005] The purpose of this invention is to provide a multi-purpose automatic feeding laser welding equipment for pipe fittings, which can realize the automated flow and automatic rotation welding of pipe fittings, improve production efficiency, and the device structure occupies little space. It can adapt to the laser processing and flow of pipe fittings of different diameters and lengths.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a multi-purpose pipe fitting automatic feeding laser welding equipment, comprising a main base, on which a feeding rotation assembly and a bidirectional moving mechanism are provided. A quick-release feeding turntable is fixedly connected to the rotating shaft of the feeding rotation assembly. The quick-release feeding turntable includes a plate base, a positioning and feeding plate, a retaining ring, a connecting ring, a pin, and a spring. Sliding tables are fixedly connected to the two moving platforms of the bidirectional moving mechanism. A feeding guide rail assembly is provided on each of the two sliding platforms. The feeding guide rail assembly includes a fixed guide rail and an adjusting guide rail. The adjusting guide rail is slidably connected to the sliding platform, and an S-shaped channel is formed between the fixed guide rail and the adjusting guide rail. A clamping cylinder is fixedly connected to the main base below the quick-release feeding turntable. A push fork is fixedly connected to the piston rod of the clamping cylinder. A pipe fitting rotation assembly and a pipe fitting clamping assembly are fixedly provided on the two sliding platforms respectively. A laser welder is fixedly connected to the main base.

[0007] Furthermore, the feeding rotation assembly includes a stepper motor and a rotating shaft, the rotating shaft being fixedly connected to the output end of the stepper motor and rotatably connected to the main unit base.

[0008] Furthermore, the bidirectional moving mechanism includes a first drive motor, a gear, and a rack. The first drive motor is fixedly connected to the main base, the gear is fixedly connected to the output end of the first drive motor, and there are two racks, which mesh with the two sides of the gear respectively. The racks are fixedly connected to the sliding table.

[0009] Furthermore, each of the sliding platforms is detachably connected to a material rack, the material rack having a cross-section of C.

[0010] Furthermore, the disc base is fixedly connected to the rotating shaft, one end of the positioning and feeding plate is provided with a U-shaped groove, the other end of the positioning and feeding plate is provided with a protrusion, the disc base has a slot, the retaining ring is fixedly connected to the disc base, the pin is slidably connected to the disc base, the pin is fixedly connected to the connecting ring, the spring is located between the retaining ring and the connecting ring, and the protrusion has a limiting hole corresponding to the pin.

[0011] Furthermore, the fixed guide rail is fixedly connected to the sliding table, the sliding table is provided with a sliding groove, the adjusting guide rail is slidably connected to the sliding groove, and the adjusting guide rail is fixedly connected to the sliding table by screws.

[0012] Furthermore, the connecting ring is provided with a slanted groove, and the end of the push fork is provided with a slanted surface.

[0013] Furthermore, the pipe rotation assembly includes a first adjusting screw, a first slider, a second drive motor, and a rotary table. The first slider is slidably connected to the rotary table, the first adjusting screw is threadedly connected to the rotary table, the lower end of the first adjusting screw is rotatably connected to the first slider, the second drive motor is fixedly connected to the first slider, and the rotary table is fixedly connected to the rotating shaft of the second drive motor.

[0014] Furthermore, the pipe clamping assembly includes a second adjusting screw, a second slider, a clamping cylinder, and a clamping platform. The second slider is slidably connected to the sliding platform, the second adjusting screw is threadedly connected to the sliding platform, the lower end of the second adjusting screw is rotatably connected to the second slider, the clamping cylinder is fixedly connected to the second slider, and the clamping platform is rotatably connected to the piston rod of the clamping cylinder.

[0015] Furthermore, both the sliding table and the fixed guide rail are provided with clearance holes corresponding to the rotating shaft of the feeding rotation assembly.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: it can realize the automated transfer and automatic rotary welding of pipe fittings, improve production efficiency, and the device structure occupies little space, and can adapt to the laser processing and transfer of pipe fittings of different diameters and lengths. Attached Figure Description

[0017] Figure 1 This is a first-view schematic diagram of the present invention.

[0018] Figure 2 This is a schematic diagram from a second perspective of the present invention.

[0019] Figure 3 This is a schematic diagram of the material feeding for the pipe fittings of the present invention.

[0020] Figure 4 This is a schematic diagram of the structure at the two sliding platforms of the present invention.

[0021] Figure 5 This is a schematic diagram of the overall structure of the quick-release feeding turntable of the present invention.

[0022] Figure 6 This is an exploded view of the quick-release feeding turntable of the present invention.

[0023] In the diagram: 1. Main unit base; 2. Feeding rotary assembly; 3. Bidirectional moving mechanism; 301. First drive motor; 302. Gear; 303. Rack; 4. Quick-release feeding turntable; 401. Turntable base; 402. Positioning and material-pushing plate; 403. Retaining ring; 404. Connecting ring; 405. Pin; 406. Spring; 5. Feeding guide rail assembly; 501. Fixed guide rail; 502. Adjusting guide rail; 6. Clamping cylinder; 601. Push fork; 7. Pipe rotation assembly; 701. First adjusting screw; 702. First slider; 703. Second drive motor; 704. Rotary table; 8. Pipe clamping assembly; 801. Second adjusting screw; 802. Second slider; 803. Clamping cylinder; 804. Clamping platform; 9. Laser welder; 10. Material rack; 11. Sliding table. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Example:

[0026] Please see Figure 1-6 An automatic feeding laser welding device for multi-purpose pipe fittings includes a main base 1, on which a feeding rotary assembly 2 and a bidirectional moving mechanism 3 are mounted. A quick-release feeding turntable 4 is mounted on the rotating shaft of the feeding rotary assembly 2. The quick-release feeding turntable 4 includes a base 401, a positioning and feeding plate 402, a retaining ring 403, a connecting ring 404, a pin 405, and a spring 406. Sliding tables 11 are fixedly connected to the two moving platforms of the bidirectional moving mechanism 3, and feeding guide rails are mounted on both sliding tables 11. Component 5, the feeding guide rail assembly 5 includes a fixed guide rail 501 and an adjusting guide rail 502. The adjusting guide rail 502 is slidably connected to the sliding table 11. An S-shaped channel is formed between the fixed guide rail 501 and the adjusting guide rail 502. A clamping cylinder 6 is fixedly connected to the main base 1 below the quick-release feeding turntable 4. A push fork 601 is fixedly connected to the piston rod of the clamping cylinder 6. A pipe rotation assembly 7 and a pipe clamping assembly 8 are fixedly installed on the two sliding tables 11 respectively. A laser welder 9 is fixedly connected to the main base 1.

[0027] The feeding rotation assembly 2 includes a stepper motor and a rotating shaft. The stepper motor drives the rotating shaft to rotate, thereby driving the quick-release feeding turntable 4 to rotate. During the feeding process, the quick-release feeding turntable 4 will drive the pipe to flow in the S-shaped channel.

[0028] The bidirectional moving mechanism 3 includes a first drive motor 301, a gear 302, and a rack 303. The rotation of the first drive motor 301 causes the gear 302 to rotate. Under the rotation of the gear 302, the two racks 303 will move closer to each other and further away from each other on the main base 1, adjusting the distance between the two sliding tables 11. By adjusting the distance between the two sliding tables 11, it can adapt to the processing of pipes of different lengths.

[0029] Each sliding table 11 is detachably connected to a material rack 10. The material rack 10 has a U-shaped cross section. Different material racks 10 are selected and installed on the sliding table 11 according to the diameter of the pipe fitting.

[0030] The base 401 is fixedly connected to the rotating shaft. One end of the positioning and feeding plate 402 is provided with a U-shaped groove, which is used for receiving and feeding the pipe fitting. The other end of the positioning and feeding plate 402 is provided with a protrusion. A slot is opened on the base 401. According to the diameter of the pipe fitting, the positioning and feeding plate 402 with the corresponding U-shaped groove can be selected and inserted into the slot. The retaining ring 403 is fixedly connected to the base 401, and the pin 405 is slidably connected to the base 401. During the process of inserting the positioning and feeding plate 402 into the slot, it pushes the pin 405 until it is inserted into the limiting hole, thereby locking and limiting the positioning and feeding plate 402. The pin 405 is fixedly connected to the connecting ring 404, and the spring 406 is located between the retaining ring 403 and the connecting ring 404.

[0031] The fixed guide rail 501 is fixedly connected to the sliding table 11. The sliding table 11 is provided with a sliding groove. The adjustable guide rail 502 can be adjusted in height along the sliding groove, thereby adjusting the gap size of the S-shaped channel to adapt to the feeding guidance of pipe fittings of different diameters. After the adjustment is completed, the adjustable guide rail 502 is fixedly connected to the sliding table 11 by screws.

[0032] A slanted groove is provided on the connecting ring 404, and a slanted surface is provided at the end of the push fork 601. When it is necessary to replace the positioning material plate 402, the feeding rotation assembly 2 drives the disk base 401 to rotate, so that the different positioning material plates 402 rotate to the disassembly and assembly position. The push fork 601 is driven to rise to perform a clamping action. The piston rod of the clamping cylinder 6 extends. After the push fork 601 rises, it can push the connecting ring 404 and the pin 405 out of the limiting hole of the current positioning material plate 402. Then, the new positioning material plate 402 is inserted into the slot after clamping. After that, the piston rod of the clamping cylinder 6 retracts, the connecting ring 404 and the pin 405 are reset, and are inserted into the limiting hole of the positioning material plate 402 again.

[0033] The pipe rotation assembly 7 includes a first adjusting screw 701, a first slider 702, a second drive motor 703, and a rotary table 704. The first slider 702 is slidably connected to the sliding table 11. The lower end of the first adjusting screw 701 is rotatably connected to the first slider 702. The first adjusting screw 701 is threadedly connected to the sliding table 11. By rotating the first adjusting screw 701, the first adjusting screw 701 performs a lifting and lowering adjustment action relative to the sliding table 11. The first adjusting screw 701 only rotates relative to the first slider 702, which can drive the first slider 702 to slide and adjust its height within the sliding table 11. The second drive motor 703 is fixedly connected to the first slider 702, and the rotary table 704 is fixedly connected to the rotating shaft of the second drive motor 703.

[0034] The pipe fitting clamping assembly 8 includes a second adjusting screw 801, a second slider 802, a clamping cylinder 803, and a clamping platform 804. The second slider 802 is slidably connected to the sliding platform 11, the second adjusting screw 801 is threadedly connected to the sliding platform 11, and the lower end of the second adjusting screw 801 is rotatably connected to the second slider 802. By rotating the second adjusting screw 801, the second adjusting screw 801 performs a lifting and lowering adjustment action relative to the sliding platform 11. The second adjusting screw 801 only rotates relative to the second slider 802, which can drive the second slider 802 to slide and adjust its height within the sliding platform 11. The clamping cylinder 803 is fixedly connected to the second slider 802, and the clamping platform 804 is rotatably connected to the piston rod of the clamping cylinder 803.

[0035] Both the sliding table 11 and the fixed guide rail 501 are provided with clearance holes corresponding to the rotating shaft of the feeding rotating assembly 2 to avoid interference with the rotation of the rotating shaft.

[0036] The working principle of this invention is as follows: During use, the distance between the two sliding tables 11 can be adjusted according to the overall length of the pipe to be welded. When adjusting the distance, the first drive motor 301 drives the gear 302 to rotate. Under the rotation of the gear 302, the two racks 303 will move closer to each other and further away from each other on the main base 1, respectively, to adjust the distance between the two sliding tables 11. According to the diameter of the pipe to be welded, a suitable material rack 10 is selected and installed on the sliding table 11 (the cross-section of the material rack 10 is U-shaped, and the size of the notch can accommodate pipes of different diameters). (For the material feeding guide), an elastic plunger can be installed at the discharge end of the material rack 10 near the quick-release feeding turntable 4 to ensure that the pipes in the material rack 10 are elastically blocked during feeding, ensuring that only one pipe falls into the S-shaped channel each time it is loaded; then, the gap of the S-shaped channel is adjusted according to the diameter of the pipe, and the height is adjusted by loosening the screws and sliding the guide rail 502 up and down. After the adjustment is completed, the guide rail 502 is fixedly connected to the sliding table 11 with screws; the first slider 702 and the second slider 802 are adjusted according to the diameter of the pipe. The height is adjusted by rotating the first adjusting screw 701, which moves the screw up and down relative to the sliding table 11. The first adjusting screw 701 only rotates relative to the first slider 702, allowing the slider 702 to slide within the sliding table 11 to adjust its height. The adjustment principle of the second slider 802 is the same as that of the first slider 702. Finally, a positioning plate 402 with a U-shaped groove corresponding to the pipe diameter is selected and installed. When replacing or installing the positioning plate 402, the following steps are taken: The feed rotary assembly 2 drives the disk base 401 to rotate, causing different positioning plates 402 to rotate to the disassembly / assembly station. This drives the push fork 601 to rise and perform a clamping action. The piston rod of the clamping cylinder 6 extends, and after the push fork 601 rises, it pushes the connecting ring 404 and the pin 405 out of the limiting hole of the current positioning plate 402. Then, it inserts and installs a new positioning plate 402 into the slot after clamping. After that, the piston rod of the clamping cylinder 6 retracts, and the connecting ring 404 and the pin 405 reset and are inserted back into the limiting hole of the positioning plate 402.

[0037] During processing, the pipe fitting assemblies to be welded are sequentially fed into the material rack 10 via an external feeding mechanism, as shown in the reference. Figure 3Each time a pipe enters the S-shaped channel, it falls into the U-shaped groove of a positioning and feeding plate 402. Then, the feeding rotation assembly 2 drives it to rotate to the welding station. At this time, both ends of the pipe are located between the rotary table 704 and the clamping table 804. At this time, the piston rod of the clamping cylinder 803 extends, and the clamping table 804 clamps the pipe onto the rotary table 704. Then, the second drive motor 703 drives the rotary table 704 to rotate, and the pipe and the clamping table 804 will also rotate together. During this rotation, the laser welder 9 performs laser welding on the part of the pipe to be welded. After the welding is completed, the pipe flows out of the S-shaped channel and is unloaded during the rotation of the subsequent plate 401, completing the processing.

[0038] In this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," "fixed," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0039] The above embodiments are used to further illustrate the present invention, but do not limit the present invention to these specific embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be understood as falling within the protection scope of the present invention.

Claims

1. A multi-purpose pipe fitting automatic feeding laser welding equipment, characterized in that: The system includes a main base (1), on which a feeding rotary assembly (2) and a bidirectional moving mechanism (3) are provided. A quick-release feeding turntable (4) is provided on the rotating shaft of the feeding rotary assembly (2). The quick-release feeding turntable (4) includes a disc base (401), a positioning feed plate (402), a retaining ring (403), a connecting ring (404), a pin (405), and a spring (406). Sliding tables (11) are fixedly connected to the two moving platforms of the bidirectional moving mechanism (3). Each of the two sliding tables (11) is equipped with a feeding guide rail assembly (5). The feeding guide rail assembly (5) includes a fixed guide rail (501) and an adjusting guide rail (502). The guide rail (502) is slidably connected to the sliding table (11). An S-shaped channel is formed between the fixed guide rail (501) and the adjusting guide rail (502). A clamping cylinder (6) is fixedly connected to the main unit (1) below the quick-release feeding turntable (4). A push fork (601) is fixedly connected to the piston rod of the clamping cylinder (6). A pipe fitting rotating assembly (7) and a pipe fitting clamping assembly (8) are fixedly installed on the two sliding tables (11). A laser welder (9) is fixedly connected to the main unit (1). A material rack (10) can be detachably connected to each sliding table (11). The cross-section of the material rack (10) is U-shaped. The disc base (401) is fixed to the rotating shaft. The positioning plate (402) is connected in a U-shaped groove at one end and a protrusion at the other end. A slot is provided on the base (401). The retaining ring (403) is fixedly connected to the base (401). The pin (405) is slidably connected to the base (401) and fixedly connected to the connecting ring (404). The spring (406) is located between the retaining ring (403) and the connecting ring (404). A limiting hole corresponding to the pin (405) is provided on the protrusion. Depending on the diameter of the pipe fitting, a positioning plate (402) with a U-shaped groove of the appropriate size can be inserted into the slot. The positioning plate (402) is inserted... During the insertion process, the push pin (405) is pushed until it is inserted into the limiting hole, thereby locking and limiting the positioning plate (402). The fixed guide rail (501) is fixedly connected to the sliding table (11). The sliding table (11) is provided with a sliding groove. The adjusting guide rail (502) is slidably connected to the sliding groove. The adjusting guide rail (502) is fixedly connected to the sliding table (11) by screws. The connecting ring (404) is provided with a slanted groove. The end of the push fork (601) is provided with a slanted surface. The piston rod of the release cylinder (6) extends out. After the push fork (601) rises, it can push the connecting ring (404) and the pin (405) out of the limiting hole of the current positioning plate (402).

2. The multi-purpose pipe fitting automatic feeding laser welding equipment according to claim 1, characterized in that: The feeding rotation assembly (2) includes a stepper motor and a rotating shaft. The rotating shaft is fixedly connected to the output end of the stepper motor and is rotatably connected to the main unit (1).

3. The multi-purpose pipe fitting automatic feeding laser welding equipment according to claim 1, characterized in that: The bidirectional moving mechanism (3) includes a first drive motor (301), a gear (302) and a rack (303). The first drive motor (301) is fixedly connected to the main base (1). The gear (302) is fixedly connected to the output end of the first drive motor (301). There are two racks (303), and the two racks (303) mesh with the two sides of the gear (302) respectively. The racks (303) are fixedly connected to the sliding table (11).

4. The multi-purpose pipe fitting automatic feeding laser welding equipment according to claim 1, characterized in that: The pipe rotation assembly (7) includes a first adjusting screw (701), a first slider (702), a second drive motor (703), and a rotating table (704). The first slider (702) is slidably connected to the sliding table (11), the first adjusting screw (701) is threadedly connected to the sliding table (11), the lower end of the first adjusting screw (701) is rotatably connected to the first slider (702), the second drive motor (703) is fixedly connected to the first slider (702), and the rotating table (704) is fixedly connected to the shaft of the second drive motor (703).

5. The multi-purpose pipe fitting automatic feeding laser welding equipment according to claim 1, characterized in that: The pipe clamping assembly (8) includes a second adjusting screw (801), a second slider (802), a clamping cylinder (803), and a clamping platform (804). The second slider (802) is slidably connected to the sliding platform (11), the second adjusting screw (801) is threadedly connected to the sliding platform (11), the lower end of the second adjusting screw (801) is rotatably connected to the second slider (802), the clamping cylinder (803) is fixedly connected to the second slider (802), and the clamping platform (804) is rotatably connected to the piston rod of the clamping cylinder (803).

6. The multi-purpose pipe fitting automatic feeding laser welding equipment according to claim 1, characterized in that: Both the sliding table (11) and the fixed guide rail (501) are provided with clearance holes corresponding to the rotating shaft of the feeding rotating assembly (2).

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