Laser welding apparatus for pipe

Abstract

The application discloses a kind of laser welding equipment of pipe fitting, the top end of positioning block is located below the flat body of pipe fitting, the other end is detachably mounted for connector, is provided with an installation block on the upper surface of the installation platform and in the side close to accommodating groove, the top of this installation block is fixedly installed with a rotary jaw, the rotary jaw includes pressing part, clamping part, the clamping part with mounting hole is located above accommodating groove, the mounting hole is detachably connected with a pressing block with fixed rod, when rotary jaw is in natural state, the flat body of the pipe fitting is located between pressing block and positioning block, the top of the positioning block has a notch groove, for pipe fitting, connector welding.The application can improve the position accuracy of pipe fitting, improve the gap accuracy between pipe fitting and connector, and avoid the situation that the position of flat body is deviated due to the arching of pipe body, and improve the overall welding effect.

Description

Technical Field

[0001] The present invention relates to the technical field of precision parts processing, in particular to laser welding equipment for pipe fittings. Background Art

[0002] Laser welding is a highly efficient and precise welding method that utilizes a high-energy-density laser beam as a heat source to fuse two workpieces together. Conventional laser welding systems produce a precise bond by emitting a dense beam of photons, which melts targeted areas of the workpieces, fusing the two pieces together into a single unit. Due to its unique advantages, it has been successfully applied to the precision welding of micro and small parts.

[0003] In existing production, laser welding of pipe fittings and connectors requires strict weld clearance requirements. During the weld, the materials on both sides must not overlap, misalign, or twist, while maintaining the required profile. Furthermore, the position of the pipe fitting and connector during the welding process is difficult to secure, making deviations more likely. Summary of the Invention

[0004] The purpose of the present invention is to provide a laser welding device for pipe fittings, which can not only improve the position accuracy of the pipe fittings and improve the gap accuracy between the pipe fittings and the connecting head, but also avoid the situation where the position of the flat body part is offset due to the arching of the pipe body, thereby improving the overall welding effect.

[0005] To achieve the above-mentioned object, the present invention adopts a technical solution: a laser welding device for pipe fittings, comprising: a mounting platform, a positioning plate, a pipe fitting, and a connector, wherein the positioning plate is fixedly mounted on the top of the mounting platform, the pipe fitting comprises a pipe body portion and a flat body portion, the upper surface of the positioning plate is provided with a mounting groove for mounting the pipe body portion of the pipe fitting, and a pressing mechanism for pressing the pipe body portion is provided above the mounting groove;

[0006] A receiving groove is provided at one end of the positioning plate and perpendicular to the length direction of the mounting groove. A support plate is symmetrically installed inside the receiving groove. A clamping block is provided on opposite sides of the two support plates. A spring is provided between the clamping block and the support plate. A groove is provided on the opposite side of the clamping block. When the clamping block is clamped, the flat body of the pipe is located between the two grooves.

[0007] A sink is provided on the front side of the receiving tank, and a through groove is provided in the middle of the sink and extends into the interior of the receiving tank. The through groove is provided for detachably mounting a positioning block. One end of the top of the positioning block is located below the flat body of the pipe fitting, and the other end is provided for detachably mounting a connector.

[0008] A mounting block is provided on the upper surface of the mounting platform and on one side close to the accommodating groove. A rotating clamp is fixedly installed on the top of the mounting block. The rotating clamp includes a pressing portion and a clamping portion. The clamping portion with a mounting hole is located above the accommodating groove. The mounting hole is provided for a pressure block with a fixing rod to be detachably connected. When the rotating clamp is in a natural state, the flat body of the pipe fitting is located between the pressure block and the positioning block. The top of the positioning block has a notch groove for welding the pipe fitting and the connector.

[0009] The further improved scheme in the above technical scheme is as follows:

[0010] 1. In the above solution, the fixing rod is a screw rod, which is located on the upper and lower sides of the clamping portion and a nut is mounted on the outer wall of the fixing rod.

[0011] 2. In the above solution, a gasket is provided between the nut and the clamping portion.

[0012] 3. In the above solution, a support frame is provided at the bottom of the positioning plate.

[0013] 4. In the above solution, the mounting groove is a V-shaped groove.

[0014] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0015] 1. The laser welding equipment for pipe fittings of the present invention has a spring disposed between a clamping block on a positioning plate and a support plate, and a groove disposed on the opposite side of the clamping block. When the clamping block is clamped, the flat body of the pipe fitting is located between the two grooves, a sink is disposed on the front side of the receiving groove, and a through groove is provided in the middle position of the sink and extends toward the interior of the receiving groove. One end of the top of the positioning block is located below the flat body of the pipe fitting, and the other end is provided for the detachable installation of the connector. A clamping portion with a mounting hole is located above the receiving groove, and the mounting hole is provided for a fixing rod. The pressure block is detachably connected, and the lower end of the pressure block is located between the two clamping blocks and is in squeeze contact with the flat body of the pipe fitting. The pipe fitting is placed in the installation groove to achieve preliminary positioning of the pipe fitting, and the flat body of the pipe fitting is clamped on the left and right by the clamping blocks. At the same time, the flat body is pressed against the top of the positioning block by the pressure block, and the second mounting piece is fixed to the other end of the positioning block, thereby achieving position fixation of the pipe fitting and the connector, greatly improving the position accuracy of the pipe fitting, and also improving the gap accuracy between the pipe fitting and the connector, thereby improving the overall welding effect.

[0016] 2. The laser welding equipment for pipe fittings of the present invention is provided with a pressing mechanism for pressing the pipe body above the mounting groove, and the pressing mechanism includes: a fixed block, a rotating pressure rod, a pressure plate and a driving mechanism, the movable end of the driving mechanism passes upward through a fourth through hole and is fixedly connected to a connecting frame with a sliding rod, one end of the rotating pressure rod is rotatably connected to the fixed block, and the bottom of the other end is connected to a pressure plate, the middle part of the rotating pressure rod has a sliding hole for connection of the sliding rod, when the driving mechanism is extended, the connecting frame pushes the rotating pressure rod upward to rotate around the axis, so that the pipe body of the pipe fitting can be pressed into the mounting groove, avoiding the situation where the position of the flat body part is offset due to the arching of the pipe body, and further improving the position accuracy of the pipe fitting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Attachment Figure 1 Schematic diagram of the overall structure of the laser welding equipment for pipe fittings of the present invention;

[0018] Attachment Figure 2 Schematic diagram of the local structure of the laser welding equipment for pipe fittings of the present invention Figure 1 ;

[0019] Attachment Figure 3 The present invention is attached Figure 2 A magnified view of point A;

[0020] Attachment Figure 4 Schematic diagram of the local structure of the laser welding equipment for pipe fittings of the present invention Figure 2 ;

[0021] Attachment Figure 5 The present invention is attached Figure 4 Enlarged view of point B;

[0022] Attachment Figure 6 The local structure cross-section of the laser welding equipment for pipe fittings of the present invention is a three-dimensional diagram Figure 1 ;

[0023] Attachment Figure 7 The present invention is attached Figure 6 Enlarged view of point C;

[0024] Attachment Figure 8 The local structure cross-section of the laser welding equipment for pipe fittings of the present invention is a three-dimensional diagram Figure 2 ;

[0025] Attachment Figure 9 The present invention is attached Figure 8 Enlarged view of point D.

[0026] In the above drawings: 1, positioning plate; 101, mounting groove; 2, support frame; 3, pressing mechanism; 4, fixing block; 41, fourth through hole; 5, rotating pressure rod; 6, pressure plate; 7, driving mechanism; 8, connecting frame; 9, sliding rod; 10, sliding hole; 13, receiving groove; 14, support plate; 15, clamping block; 16, spring; 17, sink groove; 18, through groove; 19, positioning block; 20, first through hole; 22, first Three-way hole; 23. First latch; 24. Second latch; 25. Notch; 26. Mounting block; 27. Rotating clamp; 271. Pressing portion; 272. Clamping portion; 28. Mounting hole; 29. ​​Fixing rod; 30. Pressing block; 31. Nut; 32. Gasket; 33. Groove; 34. Mounting platform; 35. Reinforcement rib; 100. Pipe fitting; 200. Pipe body; 300. Flat body; 400. Connector. DETAILED DESCRIPTION

[0027] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0028] Example 1: A laser welding device for pipe fittings, comprising: a mounting platform 34, a positioning plate 1, a pipe fitting 100, and a connector 400. The positioning plate 1 is fixedly mounted on the top of the mounting platform 34. The pipe fitting 100 comprises a pipe body 200 and a flat body 300. The upper surface of the positioning plate 1 is provided with a mounting groove 101 for mounting the pipe body 200 of the pipe fitting 100. A pressing mechanism 3 for pressing the pipe body 200 is provided above the mounting groove 101. The pipe fitting is initially positioned by placing it into the mounting groove of the positioning plate.

[0029] A receiving groove 13 is provided at one end of the positioning plate 1 and perpendicular to the length direction of the mounting groove 101. A support plate 14 is symmetrically installed inside the receiving groove 13. A clamping block 15 is provided on opposite sides of the two support plates 14. A spring 16 is provided between the clamping block 15 and the support plate 14. A groove 33 is provided on the opposite side of the clamping block 15. When the clamping block 15 is clamped, the flat body 300 of the pipe 100 is located between the two grooves 33.

[0030] By pressing the pressing part of the rotating clamping jaw, the clamping end of the rotating clamping jaw is lifted, and the two clamping blocks are pulled apart, and the flat body of the pipe fitting is placed between the two clamping blocks. The clamping blocks are released, and under the action of the two clamping blocks, the flat body part is fixed between the grooves of the two clamping blocks, thereby achieving left and right fixation of the flat body part. Then, the rotating clamping jaw is released, so that the pressing block presses the flat body part and the positioning block, thereby achieving position fixation of the flat body part, greatly improving the position accuracy of the pipe fitting;

[0031] A recessed groove 17 is provided on the front side of the receiving groove 13. A through groove 18 is provided in the middle of the recessed groove 17 and extends into the interior of the receiving groove 13. The through groove 18 is provided with a detachable mounting for a positioning block 19. One end of the top of the positioning block 19 is located below the flat body 300 of the pipe 100, and the other end is provided with a detachable mounting for a connector 400.

[0032] The connector is fixedly mounted on the other end of the positioning block by the first latch, thereby improving the gap accuracy between the pipe fitting and the connector, and the positioning block and the positioning plate are detachably connected by the second latch, thereby facilitating quick disassembly and installation of the positioning block, effectively preventing the positioning block from being damaged during processing, which would cause a decrease in the positioning accuracy of the connector, and facilitating replacement of the positioning block, thereby ensuring the positioning accuracy of the connector during long-term use;

[0033] A mounting block 26 is provided on the upper surface of the mounting platform and on one side close to the accommodating groove 13. A rotating clamping jaw 27 is fixedly installed on the top of the mounting block 26. The rotating clamping jaw 27 includes a pressing portion 271 and a clamping portion 272. The clamping portion 272 with a mounting hole 28 is located above the accommodating groove 13. The mounting hole 28 is provided for a pressure block 30 with a fixing rod 29 to be detachably connected. When the rotating clamping jaw 27 is in a natural state, the flat body portion 300 of the pipe fitting 100 is located between the pressure block 30 and the positioning block 19.

[0034] The above-mentioned pressing mechanism 3 further includes: a fixed block 4, a rotating pressure rod 5, a pressure plate 6 and a driving mechanism 7. The fixed block 4 with a fourth through hole 41 is installed on one side of the support frame 2, and the driving mechanism 7 is located below the fixed block 4, and the movable end of the driving mechanism 7 passes upward through the fourth through hole 41 and is fixedly connected to a connecting frame 8 with a slide rod 9. One end of the rotating pressure rod 5 is rotatably connected to the fixed block 4, and the bottom of the other end is connected to the pressure plate 6. The middle part of this rotating pressure rod 5 has a sliding hole 10 for connecting the slide rod 9. When the driving mechanism 7 is extended, the connecting frame 8 pushes the rotating pressure rod 5 upward to rotate around the axis, which can realize pressing the tube body of the pipe fitting into the installation groove, avoiding the situation where the tube body is arched and the position of the flat body is offset, further improving the position accuracy of the pipe fitting.

[0035] The driving mechanism 7 is a push cylinder.

[0036] The length of the above-mentioned pipe is twice the length of the pressing plate 6.

[0037] The pressing plate 6 is an aluminum plate.

[0038] The fixing rod 29 is a screw rod, which is located at the upper and lower sides of the clamping portion 272 and has a nut 31 mounted on the outer wall of the fixing rod 29 .

[0039] A first through hole 20 is provided on the upper portion of the positioning block 19, and a first latch 23 can be embedded and installed in the first through hole 20 for connecting the connector 400 to the positioning block 19; second through holes are provided on the left and right surfaces of the positioning plate 1, and two third through holes 22 are provided at intervals on the lower portion of the positioning block 19, and the third through holes 22 are correspondingly connected to the second through holes, and a second latch 24 can pass through the second through hole and the third through hole 22 in sequence to fix the positioning block 19.

[0040] A support frame 2 is provided at the bottom of the positioning plate 1 .

[0041] A reinforcing rib 35 is provided between the support frame 2 and the mounting platform 34 .

[0042] Example 2: A laser welding device for pipe fittings, comprising: a mounting platform 34, a positioning plate 1, a pipe fitting 100, and a connector 400. The positioning plate 1 is fixedly mounted on the top of the mounting platform 34. The pipe fitting 100 includes a pipe body 200 and a flat body 300. The upper surface of the positioning plate 1 is provided with a mounting groove 101 for mounting the pipe body 200 of the pipe fitting 100. A pressing mechanism 3 for pressing the pipe body 200 is provided above the mounting groove 101.

[0043] The pipe fitting is placed in the installation groove to achieve preliminary positioning of the pipe fitting, and the flat body of the pipe fitting is clamped on the left and right sides by the clamping blocks. At the same time, the flat body is pressed against the top of the positioning block by the pressing block, and the second installation piece is fixed to the other end of the positioning block, thus achieving the position fixation of the pipe fitting and the connector, greatly improving the position accuracy of the pipe fitting and the gap accuracy between the pipe fitting and the connector, thereby improving the overall welding effect;

[0044] A receiving groove 13 is provided at one end of the positioning plate 1 and perpendicular to the length direction of the mounting groove 101. A support plate 14 is symmetrically installed inside the receiving groove 13. A clamping block 15 is provided on opposite sides of the two support plates 14. A spring 16 is provided between the clamping block 15 and the support plate 14. A groove 33 is provided on the opposite side of the clamping block 15. When the clamping block 15 is clamped, the flat body 300 of the pipe 100 is located between the two grooves 33.

[0045] The fixing rod is passed through the mounting hole and fixed to the mounting hole by two nuts, so that the pressing block can be quickly disassembled and installed, effectively preventing the pressing block from being damaged during processing, which may cause the pressing force of the pressing block on the pipe fitting to change and cause position deviation, and facilitates the replacement of the pressing block, thereby ensuring the position accuracy of the pipe fitting during long-term use;

[0046] A recessed groove 17 is provided on the front side of the receiving groove 13. A through groove 18 is provided in the middle of the recessed groove 17 and extends into the interior of the receiving groove 13. The through groove 18 is provided with a detachable mounting for a positioning block 19. One end of the top of the positioning block 19 is located below the flat body 300 of the pipe 100, and the other end is provided with a detachable mounting for a connector 400.

[0047] The movable end of the driving mechanism pushes the connecting frame upward, causing the connecting frame to move upward, and drives the slide rod to move upward along the slide hole. During the upward movement of the slide rod, the rotating clamping claw is pushed to rotate and open, and the rotating clamping claw rotates around the connecting axis of the fixed block, losing the pressing effect on the pipe body, making it easier for personnel to remove the pipe fitting;

[0048] A mounting block 26 is provided on the upper surface of the mounting platform and on a side close to the receiving groove 13. A rotating clamping jaw 27 is fixedly mounted on the top of the mounting block 26. The rotating clamping jaw 27 includes a pressing portion 271 and a clamping portion 272. The clamping portion 272 has a mounting hole 28 located above the receiving groove 13. The mounting hole 28 is provided for a pressure block 30 having a fixing rod 29 to be detachably connected. When the rotating clamping jaw 27 is in a natural state, the flat body portion 300 of the pipe fitting 100 is located between the pressure block 30 and the positioning block 19.

[0049] The movable end of the driving mechanism pushes the connecting frame downward, causing the connecting frame to move downward, and drives the slide rod to move downward along the slide hole. During the downward movement of the slide rod, the rotating clamp is pushed to rotate and close, so that the pressure plate presses the tube body into the installation groove.

[0050] The above-mentioned pressing mechanism 3 further includes: a fixed block 4, a rotating pressure rod 5, a pressure plate 6 and a driving mechanism 7. The fixed block 4 with a fourth through hole 41 is installed on one side of the support frame 2. The driving mechanism 7 is located below the fixed block 4, and the movable end of the driving mechanism 7 passes upward through the fourth through hole 41 and is fixedly connected to a connecting frame 8 with a sliding rod 9. One end of the rotating pressure rod 5 is rotatably connected to the fixed block 4, and the bottom of the other end is connected to the pressure plate 6. The middle part of this rotating pressure rod 5 has a sliding hole 10 for connecting the sliding rod 9. When the driving mechanism 7 is extended, the connecting frame 8 pushes the rotating pressure rod 5 upward to rotate around the axis.

[0051] The driving mechanism 7 is a telescopic motor.

[0052] The length of the above-mentioned pipe is 2.5 times the length of the pressing plate 6.

[0053] The fixing rod 29 is a screw rod, which is located at the upper and lower sides of the clamping portion 272 and has a nut 31 sleeved on the outer wall of the fixing rod 29 ; a gasket 32 ​​is provided between the nut 31 and the clamping portion 272 .

[0054] A first through hole 20 is provided on the upper portion of the positioning block 19, and a first latch 23 can be embedded and installed in the first through hole 20 for connecting the connector 400 to the positioning block 19; second through holes are provided on the left and right surfaces of the positioning plate 1, and two third through holes 22 are provided at intervals on the lower portion of the positioning block 19, and the third through holes 22 are correspondingly connected to the second through holes, and a second latch 24 can pass through the second through hole and the third through hole 22 in sequence to fix the positioning block 19.

[0055] The top of the positioning block 19 has a notch 25 for welding the pipe 100 and the connector 400 .

[0056] The mounting groove 101 is a V-shaped groove.

[0057] The working principle of the present invention is as follows:

[0058] When in use, the pipe is placed into the installation groove of the positioning plate to achieve preliminary positioning of the pipe;

[0059] Next, by pressing the pressing part of the rotating clamping jaw, the clamping end of the rotating clamping jaw is lifted, and the two clamping blocks are pulled apart, and the flat body of the pipe fitting is placed between the two clamping blocks. The clamping blocks are released, and under the action of the two clamping blocks, the flat body part is fixed between the grooves of the two clamping blocks, thereby achieving left and right fixation of the flat body part. Then, the rotating clamping jaw is released, so that the pressing block presses the flat body part and the positioning block, thereby achieving fixed position of the flat body part and greatly improving the position accuracy of the pipe fitting.

[0060] The connecting head is fixedly mounted on the other end of the positioning block by the first latch, which improves the gap accuracy between the pipe fitting and the connecting head, and the positioning block and the positioning plate are detachably connected by the second latch, thereby facilitating quick disassembly and installation of the positioning block, effectively avoiding the situation where the positioning block is damaged during processing and the position accuracy of the connecting head is reduced, and the positioning block is convenient to replace, thereby ensuring the position accuracy of the connecting head during long-term use; the fixing rod is passed through the mounting hole and the fixing rod is fixed to the mounting hole by two nuts, thereby facilitating quick disassembly and installation of the pressing block, effectively avoiding the situation where the pressing block is damaged during processing and the pressure holding force of the pressing block on the pipe fitting is changed and the position is offset, and the pressing block is convenient to replace, thereby ensuring the position accuracy of the pipe fitting during long-term use;

[0061] The movable end of the driving mechanism pushes the connecting frame upward, causing the connecting frame to move upward, and drives the sliding rod to move upward along the sliding hole. During the upward movement of the sliding rod, the rotating claw is pushed to rotate and open, and the rotating claw rotates around the connecting axis of the fixed block, and loses the pressing effect on the pipe body, making it easier for personnel to take out the pipe fitting; the movable end of the driving mechanism pushes the connecting frame downward, causing the connecting frame to move downward, and drives the sliding rod to move downward along the sliding hole. During the downward movement of the sliding rod, the rotating claw is pushed to rotate and close, so that the pressure plate presses the pipe body into the installation groove.

[0062] When the laser welding equipment for the above-mentioned pipe fittings is used, the pipe fittings are placed in the installation groove to achieve preliminary positioning of the pipe fittings, and the flat body of the pipe fittings is clamped on the left and right by the clamping blocks. At the same time, the flat body is pressed on the top of the positioning block by the pressing block, and the second mounting piece is fixed to the other end of the positioning block, thereby achieving position fixation of the pipe fittings and the connecting head, greatly improving the position accuracy of the pipe fittings, and also improving the gap accuracy between the pipe fittings and the connecting head, thereby improving the overall welding effect; further, it can achieve pressing the pipe body of the pipe fitting into the installation groove, avoiding the situation where the position of the flat body is offset due to the arching of the pipe body, and further improving the position accuracy of the pipe fittings.

[0063] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications made in accordance with the spirit of the present invention are intended to be covered by the scope of protection of the present invention.

Claims

1. A laser welding device for pipe fittings, characterized in that: include: A mounting platform (34), a positioning plate (1), a pipe fitting (100), and a connector (400), wherein the positioning plate (1) is fixedly mounted on the top of the mounting platform (34), the pipe fitting (100) comprises a pipe body portion (200) and a flat body portion (300), and an upper surface of the positioning plate (1) is provided with a mounting groove (101) for mounting the pipe body portion (200) of the pipe fitting (100), and a pressing mechanism (3) for pressing the pipe body portion (200) is provided above the mounting groove (101); A receiving groove (13) is provided at one end of the positioning plate (1) and perpendicular to the length direction of the installation groove (101), a support plate (14) is symmetrically installed inside the receiving groove (13), a clamping block (15) is provided on the opposite side of the two support plates (14), a spring (16) is provided between the clamping block (15) and the support plate (14), and a groove (33) is provided on the opposite side of the clamping block (15), and when the clamping block (15) is clamped, the flat body (300) of the pipe (100) is located between the two grooves (33); A sink (17) is provided at the front side of the accommodating groove (13), and a through groove (18) is provided in the middle position of the sink (17) and extends toward the interior of the accommodating groove (13). The through groove (18) is provided for a positioning block (19) to be detachably installed. One end of the top of the positioning block (19) is located below the flat body (300) of the pipe (100), and the other end is provided for a connector (400) to be detachably installed. A mounting block (26) is provided on the upper surface of the mounting platform (34) and on a side close to the receiving groove (13). A rotating clamp (27) is fixedly installed on the top of the mounting block (26). The rotating clamp (27) includes a pressing portion (271) and a clamping portion (272). The clamping portion (272) having a mounting hole (28) is located above the receiving groove (13). The mounting hole (28) is provided for a pressing block (30) having a fixing rod (29) to be detachably connected. When the rotating clamp (27) is in a natural state, the flat body (300) of the pipe fitting (100) is located between the pressing block (30) and the positioning block (19). The top of the positioning block (19) has a notch groove (25) for welding the pipe fitting (100) and the connector (400).

2. The laser welding equipment for pipe fittings according to claim 1, characterized in that: The fixing rod (29) is a screw rod, which is located on the upper and lower sides of the clamping portion (272) and has a nut (31) mounted on the outer wall of the fixing rod (29).

3. The laser welding equipment for pipe fittings according to claim 2, characterized in that: A gasket (32) is provided between the nut (31) and the clamping portion (272).

4. The laser welding equipment for pipe fittings according to claim 1, characterized in that: A support frame (2) is provided at the bottom of the positioning plate (1).

5. The laser welding equipment for pipe fittings according to claim 1, characterized in that: The mounting groove (101) is a V-shaped groove.

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