Welding tool for metal joint of automobile brake pipe

Abstract

The invention discloses a welding tool for a metal joint of an automobile brake pipe, and relates to the technical field of welding tools. The bracket assembly is fixedly mounted at the top of the base; the downward pressing assembly is arranged at the bottom of the support assembly; the welding gun spray head is fixedly mounted at the bottom of the downward pressing assembly; the synchronous turnover mechanism is arranged at the top of the base; the synchronous turnover mechanism comprises a rotating shaft, a first servo motor and two first belt wheels, the output end of the first servo motor is connected with the rotating shaft, the two first belt wheels are both installed on the outer surface wall of the rotating shaft, and the outer side of each first belt wheel is sleeved with a first transmission belt; according to the automobile brake pipe and metal joint welding device, through the arrangement of the synchronous turnover mechanism, the automobile brake pipe and the metal joint which are clamped and in butt joint are driven to rotate synchronously, the welding work difficulty is reduced, the welding precision is improved, and the defective product yield is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of welding tools, in particular to a welding tool used for a metal joint of an automobile brake pipe. Background Art

[0002] With the rapid development of the automobile manufacturing industry, the automobile output continues to rise, which puts higher requirements on the welding quality and production efficiency of brake pipe metal joints. In order to ensure the stable and reliable welding quality of brake pipe metal joints, improve production efficiency and reduce production costs, it is urgent to develop a high-precision, automated welding tooling specifically for automobile brake pipe metal joints.

[0003] When the existing welding tool for automobile brake pipe metal joints is used, the automobile brake pipe and the metal joint are usually butt-fixed and then the connection between the two is welded in a circle, thereby ensuring the welding quality and efficiency of the welding work.

[0004] However, the existing welding tooling for automobile brake pipe metal joints has the following shortcomings:

[0005] 1) The existing welding tooling for automobile brake pipe metal joints cannot drive the automobile brake pipe and the metal joint to rotate synchronously during welding, which leads to low welding efficiency, easy deviation during welding, affecting the welding accuracy, and is difficult to meet actual use requirements.

[0006] 2) Existing welding tools for automobile brake pipe metal joints cannot clamp and fix automobile brake pipes and metal joints of different sizes, and need to be customized according to usage requirements, which results in poor versatility and difficulty in meeting diverse welding processing needs.

[0007] 3) The existing welding tooling for automobile brake pipe metal joints cannot quickly connect the automobile brake pipe and the metal joint during welding, and manual adjustment is required. The overall process is complicated, time-consuming and labor-intensive, and easily affects work efficiency.

[0008] Therefore we propose a welding tool for automobile brake pipe metal joints, so as to solve the above-mentioned problems. Summary of the invention

[0009] The purpose of the present invention is to provide a welding tool for automobile brake pipe metal joints. By setting a synchronous flipping mechanism, the automobile brake pipe and the metal joint after clamping and docking are driven to rotate synchronously, thereby reducing the difficulty of welding work, improving welding accuracy, and reducing the yield rate of defective products, so as to solve the problems raised by the above-mentioned background technology.

[0010] To achieve the above-mentioned object, the present invention provides the following technical solutions: A welding tool for a metal joint of an automobile brake pipe, comprising a base;

[0011] A bracket assembly, fixedly mounted on the top of the base;

[0012] A pressing assembly, arranged at the bottom of the bracket assembly;

[0013] The welding gun nozzle is fixedly installed at the bottom of the down-pressing assembly;

[0014] A synchronous flipping mechanism is arranged on the top of the base;

[0015] The synchronous flipping mechanism includes a rotating shaft, a first servo motor and two first pulleys, the output end of the first servo motor is connected to the rotating shaft, the two first pulleys are installed on the outer wall of the rotating shaft, the outer side of each of the first pulleys is sleeved with a first transmission belt, the inner side of the first transmission belt is provided with a multi-size clamping mechanism, the first servo motor drives the rotating shaft to drive the two first pulleys to rotate, and the two first transmission belts are used to transmit the rotational force, so that the two multi-size clamping mechanisms rotate synchronously, thereby making the automobile brake pipe and the metal joint clamped by the multi-size clamping mechanism rotate synchronously.

[0016] Preferably, the multi-size clamping mechanism comprises a pulley turntable, three first V-shaped clamping frames and a micro servo cylinder, the three micro servo cylinders are fixedly mounted on one side of the pulley turntable, the output end of each micro servo cylinder is respectively connected to a corresponding first V-shaped clamping frame, the three first V-shaped clamping frames are telescopically driven to drive the corresponding first V-shaped clamping frames to approach the center of the pulley turntable as the midpoint, thereby clamping automobile brake pipes and metal joints of different sizes;

[0017] The surface of the pulley turntable is penetrated with three through grooves, a connecting shaft is installed on one side of each of the first V-shaped clamping frames, each of the connecting shafts is slidably installed inside a corresponding through groove, one end of each of the connecting shafts is connected to a limiting pad, three fixed blocks are fixedly installed on one side of the pulley turntable, and the first transmission belt is sleeved on the outside of the pulley turntable.

[0018] Preferably, the synchronous flipping mechanism includes two fixed frames, the rotating shaft is arranged between the two fixed frames, the first servo motor is installed on one side of a single fixed frame, the output end of the first servo motor movably passes through the single fixed frame and is connected to the rotating shaft, and sliding groove frames are arranged on opposite sides of the two fixed frames, and each group of the fixed blocks is rotatably installed on the inner side of a corresponding sliding groove frame.

[0019] Preferably, two U-shaped frames are symmetrically arranged on the top of the base, and a limiting slide groove is provided through the outer side of each of the U-shaped frames, and an auxiliary clamping mechanism is slidably installed inside each of the limiting slide grooves, and a synchronous driving component is provided at one end of each of the auxiliary clamping mechanisms. A first servo cylinder is installed at one end of each of the U-shaped frames, and the output end of each of the first servo cylinders movably passes through a corresponding U-shaped frame and is connected to a corresponding auxiliary clamping mechanism.

[0020] Preferably, the auxiliary clamping mechanism includes two fixed frames, and the two fixed frames are slidably installed inside a corresponding limiting slide groove, a guide rod is installed on the inner side of each of the fixed frames, a screw rod is arranged on the inner side of each of the fixed frames, one end of each of the screw rods can move through a corresponding fixed frame and is connected to a corresponding synchronous drive component, two sliding seats are symmetrically arranged on the outer side of each of the screw rods and guide rods, a second V-shaped clamping frame is fixedly installed on the top of each of the sliding seats, and two connecting frames are fixedly connected between the two fixed frames.

[0021] Preferably, the synchronous drive assembly includes two mounting frames, each of the mounting frames is respectively mounted on one end of a corresponding fixed frame, a second pulley is installed on one side of each mounting frame, each of the screw rods is respectively connected to a corresponding second pulley, a second transmission belt is sleeved on the outer sides of the two second pulleys, a second servo motor is installed on one side of a single mounting frame, and an output end of the second servo motor movably passes through a corresponding mounting frame and is connected to a corresponding second pulley.

[0022] Preferably, a protective mechanism is provided on the top of the base, and the protective mechanism is provided between the two synchronous flipping mechanisms;

[0023] The protective mechanism includes a welding stand, which is fixedly mounted on the top of the base, and second servo cylinders are symmetrically mounted at both ends of the welding stand, and the output end of each of the second servo cylinders is movable through one end of the welding stand and is connected to a connecting seat, and a protective cover plate is installed on the top of each connecting seat, an observation window is provided on one side of a single protective cover plate, and a cooling fan is installed on one side of another protective cover plate.

[0024] Preferably, the support assembly includes four pillars, each of which is fixedly mounted on the top of the base, and a top plate is fixedly mounted on the top of the four pillars;

[0025] The pressing assembly comprises a servo electric cylinder, which is fixedly mounted on the top of the top plate. The output end of the servo electric cylinder movably passes through the top plate and is connected to a mounting plate. The welding gun nozzle is mounted on the bottom of the mounting plate.

[0026] Preferably, a plurality of folding mechanisms are provided between the top plate and the mounting plate;

[0027] The folding mechanism includes a first fixed ear seat, which is fixedly installed on the bottom of the top plate, a first connecting rod is rotatably connected to the inner side of the first fixed ear seat, one end of the first connecting rod is rotatably connected to the second connecting rod, one end of the second connecting rod is rotatably connected to the second fixed ear seat, and the second fixed ear seat is fixedly installed on the top of the mounting plate.

[0028] Preferably, fastening bolts are installed at the four corners of the top of the base, and an anti-dropping gasket is sleeved on the outer side of each of the fastening bolts.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] 1. The present invention sets a synchronous flipping mechanism, thereby driving the clamped and docked automobile brake pipe and the metal joint to rotate synchronously during welding, thereby improving the efficiency of welding work, ensuring the accuracy of welding, and preventing excessive deviations, saving labor and time costs, and meeting actual use needs.

[0031] 2. The present invention provides a multi-size clamping mechanism to clamp and fix automobile brake pipes and metal joints of different sizes during welding, thereby saving use costs and eliminating the need for special customization, thereby effectively improving the versatility of the tooling and being able to meet diverse welding needs.

[0032] 3. The present invention sets an auxiliary clamping mechanism and a first servo cylinder, thereby respectively clamping and fixing the automobile brake pipe and the metal joint during welding, and driving the two to be quickly and accurately docked, thereby reducing the difficulty of docking, improving the docking accuracy, saving labor and time costs, and effectively improving the efficiency of the overall welding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a main structural stereogram of a welding tool for a metal joint of an automobile brake pipe according to the present invention;

[0034] Figure 2 This is a side structural stereogram of a welding tool for a metal joint of an automobile brake pipe according to the present invention;

[0035] Figure 3 This is a partial structural stereogram of a welding tool for a metal joint of an automobile brake pipe according to the present invention;

[0036] Figure 4 This is an enlarged stereoscopic view of a synchronous flipping mechanism in a welding tool for a metal joint of an automobile brake pipe according to the present invention;

[0037] Figure 5This is a partial structural exploded perspective view of a welding tool for a metal joint of an automobile brake pipe according to the present invention;

[0038] Figure 6 This is an exploded stereoscopic diagram of a multi-size clamping mechanism in a welding tool for a metal joint of an automobile brake pipe according to the present invention;

[0039] Figure 7 This is a three-dimensional diagram of a U-shaped frame structure in a welding tool for a metal joint of an automobile brake pipe according to the present invention;

[0040] Figure 8 This is an enlarged stereoscopic view of an auxiliary clamping mechanism of a welding tool for a metal joint of an automobile brake pipe according to the present invention;

[0041] Fig. 9 This is an enlarged stereoscopic view of a protective mechanism in a welding tool for a metal joint of an automobile brake pipe according to the present invention;

[0042] Fig.10 The present invention is an enlarged stereoscopic view of a folding mechanism in a welding tool for a metal joint of an automobile brake pipe.

[0043] In the figure: 1. base; 2. synchronous turning mechanism; 201. fixed frame; 202. rotating shaft; 203. first pulley; 204. first transmission belt; 205. first servo motor; 206. sliding slot frame; 3. multi-size clamping mechanism; 301. pulley turntable; 302. fixed block; 303. through groove; 304. connecting shaft; 305. limit pad; 306. first V-type clamping frame; 307. micro servo cylinder; 4. U-shaped frame; 5. limit slide; 6. auxiliary clamping mechanism; 601. fixed frame; 602. guide rod; 603. screw rod; 604. sliding seat; 605. second V-type clamping frame; 606. connecting frame ;7. Synchronous drive assembly;701. Mounting frame;702. Second pulley;703. Second transmission belt;704. Second servo motor;8. First servo cylinder;9. Protection mechanism;901. Welding stand;902. Second servo cylinder;903. Connecting seat;904. Protective cover plate;10. Observation window;11. Cooling fan;12. Pillar;13. Top plate;14. Servo electric cylinder;15. Mounting plate;16. Welding gun nozzle;17. Folding mechanism;1701. First fixed ear seat;1702. First connecting rod;1703. Second connecting rod;1704. Second fixed ear seat;18. Fastening bolt;19. Anti-slip gasket. DETAILED DESCRIPTION

[0044] 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 implementation regulations described 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.

[0045] Please see attached Figure 1 -Attached Fig.10 As shown, the present invention provides a technical solution: a welding tool for a metal joint of an automobile brake pipe, comprising a base 1;

[0046] A bracket assembly is fixedly mounted on the top of the base 1;

[0047] A pressing assembly is arranged at the bottom of the bracket assembly;

[0048] The welding gun nozzle 16 is fixedly mounted on the bottom of the pressing assembly;

[0049] A synchronous turning mechanism 2 is arranged on the top of the base 1;

[0050] The synchronous flipping mechanism 2 includes a rotating shaft 202, a first servo motor 205 and two first pulleys 203. The output end of the first servo motor 205 is connected to the rotating shaft 202. The two first pulleys 203 are installed on the outer wall of the rotating shaft 202. The outer side of each first pulley 203 is sleeved with a first transmission belt 204. The inner side of the first transmission belt 204 is provided with a multi-size clamping mechanism 3. The first servo motor 205 drives the rotating shaft 202 to drive the two first pulleys 203 to rotate. The two first transmission belts 204 are used to transmit the rotational force, so that the two multi-size clamping mechanisms 3 rotate synchronously, thereby making the automobile brake pipe and the metal joint clamped by the multi-size clamping mechanisms 3 rotate synchronously. Through the setting of the synchronous flipping mechanism 2, it can be achieved that during welding, the automobile brake pipe and the metal joint clamped by the two multi-size clamping mechanisms 3 can be driven to rotate synchronously, thereby improving the traditional winding welding method, thereby reducing the difficulty of welding work, improving welding accuracy, preventing deviations during welding, and reducing the yield rate of defective products, which can meet actual use needs.

[0051] according to Figure 1-Figure 6As shown, the multi-size clamping mechanism 3 includes a pulley turntable 301, three first V-shaped clamping frames 306 and a micro servo cylinder 307. The three micro servo cylinders 307 are fixedly installed on one side of the pulley turntable 301. The output end of each micro servo cylinder 307 is respectively connected to a corresponding first V-shaped clamping frame 306. The three first V-shaped clamping frames 306 are telescopically driven to drive the corresponding first V-shaped clamping frames 306 to approach the center of the pulley turntable 301 as the midpoint, thereby clamping automobile brake pipes and metal joints of different sizes.

[0052] Three through grooves 303 are formed through the surface of the pulley turntable 301, and a connecting shaft 304 is installed on one side of each first V-shaped clamping frame 306. Each connecting shaft 304 is slidably installed inside a corresponding through groove 303, and one end of each connecting shaft 304 is connected to a limiting pad 305. Three fixing blocks 302 are fixedly installed on one side of the pulley turntable 301, and the first transmission belt 204 is sleeved on the outer side of the pulley turntable 301. Through the setting of the multi-size clamping mechanism 3, automobile brake pipes and metal joints of different sizes can be clamped and fixed, without the need to customize according to the size of the automobile brake pipes and metal joints, it has better versatility and can meet the increasingly diversified usage needs.

[0053] according to Figure 1-Figure 5 As shown, the synchronous flipping mechanism 2 includes two fixed frames 201, the rotating shaft 202 is arranged between the two fixed frames 201, the first servo motor 205 is installed on one side of the single fixed frame 201, the output end of the first servo motor 205 moves through the single fixed frame 201 and is connected to the rotating shaft 202, and the two fixed frames 201 are provided with sliding slot frames 206 on the opposite sides. Each group of fixed blocks 302 is rotatably installed on the inner side of a corresponding sliding slot frame 206. Through the setting of the synchronous flipping mechanism 2, it is possible to reduce manual intervention in the welding work while ensuring the welding accuracy, thereby reducing the adverse effects of external factors on the welding work, and further improving the efficiency of the welding work.

[0054] according to Figure 1-Figure 3 and Figure 7-Figure 8As shown, two U-shaped frames 4 are symmetrically arranged on the top of the base 1, and a limiting slide groove 5 is provided on the outer side of each U-shaped frame 4, and an auxiliary clamping mechanism 6 is slidably installed inside each limiting slide groove 5, and a synchronous driving component 7 is provided at one end of each auxiliary clamping mechanism 6, and a first servo cylinder 8 is installed at one end of each U-shaped frame 4, and the output end of each first servo cylinder 8 is movably passed through a corresponding U-shaped frame 4 and connected to a corresponding auxiliary clamping mechanism 6. Through the arrangement of the U-shaped frame 4, the limiting slide groove 5, the auxiliary clamping mechanism 6 and the first servo cylinder 8, a foundation for high-precision docking can be established, and at the same time, the docking efficiency of the automobile brake pipe and the metal joint can be accelerated, the deviation that may occur during docking can be reduced, the work efficiency can be further improved, and the yield rate of defective products can be reduced.

[0055] according to Figure 1-Figure 3 and Figure 7-Figure 8 As shown, the auxiliary clamping mechanism 6 includes two fixed frames 601, and the two fixed frames 601 are slidably installed inside a corresponding limiting slide groove 5. A guide rod 602 is installed on the inner side of each fixed frame 601, and a screw rod 603 is arranged on the inner side of each fixed frame 601. One end of each screw rod 603 is movable through a corresponding fixed frame 601 and connected to a corresponding synchronous drive component 7. Two sliding seats 604 are symmetrically arranged on the outer side of each screw rod 603 and the guide rod 602, and the top of each sliding seat 604 A second V-shaped clamping frame 605 is fixedly installed, and two connecting frames 606 are fixedly connected between the two fixed frames 601. Through the setting of the auxiliary clamping mechanism 6, it is possible to achieve auxiliary clamping of the middle section of the automobile brake pipe and the metal joint during the welding process to prevent the two from shaking during welding and improve the stability of the welding work. At the same time, the auxiliary clamping mechanism 6 is integrated with a PLC controller. When the synchronous flipping mechanism 2 is running, the clamping force can be reduced, and the automobile brake pipe and the metal joint can be limited to ensure the stability of the two during rotation.

[0056] according to Figure 1-Figure 3 and Figure 7-Figure 8 As shown, the synchronous drive component 7 includes two mounting frames 701, each mounting frame 701 is respectively mounted on one end of a corresponding fixed frame 601, a second pulley 702 is installed on one side of each mounting frame 701, each screw rod 603 is respectively connected to a corresponding second pulley 702, a second transmission belt 703 is sleeved on the outer side of the two second pulleys 702, a second servo motor 704 is installed on one side of a single mounting frame 701, an output end of the second servo motor 704 moves through a corresponding mounting frame 701 and is connected to a corresponding second pulley 702, through the setting of the synchronous drive component 7, it is possible to drive multiple screw rods 603 to rotate at the same time, reduce the power source required for the drive, and save the cost of welding work.

[0057] according to Figure 1-Figure 2 and Fig. 9 As shown, a protection mechanism 9 is provided on the top of the base 1, and the protection mechanism 9 is provided between the two synchronous flipping mechanisms 2;

[0058] The protective mechanism 9 includes a welding stand 901, which is fixedly mounted on the top of the base 1. Second servo cylinders 902 are symmetrically mounted at both ends of the welding stand 901. The output ends of each second servo cylinder 902 are movable and pass through one end of the welding stand 901 and are connected to a connecting seat 903. A protective cover plate 904 is installed on the top of each connecting seat 903. An observation window 10 is provided on one side of a single protective cover plate 904, and a cooling fan 11 is installed on one side of another protective cover plate 904. Through the setting of the protective mechanism 9, it is possible to protect the welding part during welding to prevent external factors from interfering with the normal progress of the welding work. At the same time, sparks generated by welding can be prevented from spattering, thereby ensuring the physical and mental health of the staff and improving the protective performance of the tooling body.

[0059] according to Figure 1-Figure 2 and Fig.10 As shown, the support assembly includes four pillars 12, and the four pillars 12 are fixedly installed on the top of the base 1, and a top plate 13 is fixedly installed on the top of the four pillars 12;

[0060] The pressing component includes a servo electric cylinder 14, which is fixedly mounted on the top of the top plate 13. The output end of the servo electric cylinder 14 is movable through the top plate 13 and is connected to the mounting plate 15. The welding gun nozzle 16 is mounted on the bottom of the mounting plate 15. Through the setting of the bracket component, the welding gun nozzle 16 can be fixed to prevent deviation during the welding process, while reducing the manual operation process and improving the degree of automation of the work. Through the setting of the pressing component, the height of the welding gun nozzle 16 can be flexibly adjusted to adapt to the welding of automobile brake pipes and metal joints of different sizes, thereby improving flexibility during work use.

[0061] according to Figure 1-Figure 2 and Fig.10 As shown, a plurality of folding mechanisms 17 are provided between the top plate 13 and the mounting plate 15;

[0062] The folding mechanism 17 includes a first fixed ear seat 1701, which is fixedly installed on the bottom of the top plate 13. The inner side of the first fixed ear seat 1701 is rotatably connected to the first connecting rod 1702, one end of the first connecting rod 1702 is rotatably connected to the second connecting rod 1703, one end of the second connecting rod 1703 is rotatably connected to the second fixed ear seat 1704, and the second fixed ear seat 1704 is fixedly installed on the top of the mounting plate 15. Through the setting of the folding mechanism 17, the auxiliary welding gun nozzle 16 can be lifted and lowered to ensure the stability of the lifting and lowering, prevent the welding gun nozzle 16 from shaking, and further improve the accuracy of the welding work.

[0063] according to Figure 1-Figure 3 As shown, fastening bolts 18 are installed at the four corners of the top of the base 1, and an anti-slip gasket 19 is sleeved on the outer side of each fastening bolt 18. By setting the fastening bolts 18 and the anti-slip gaskets 19, the tooling can be installed on the machine tool as a whole. At the same time, the anti-slip gaskets 19 are used to increase the friction force to prevent the fastening bolts 18 from loosening, thereby improving the stability of the tooling during use.

[0064] Working principle: First, tighten the four fastening bolts 18 and the anti-drop gasket 19 to fix the tooling on the machine tool. Then, connect the external power supply to the electrical equipment inside the tooling to ensure the normal operation of the tooling. Then, the servo equipment and integrated PLC controller in the tooling form a closed information interaction and collaborative operation with the external control system to achieve an efficient control solution.

[0065] In the clamping and docking stage, first, the automobile brake pipe and metal joint to be welded are placed in two auxiliary clamping mechanisms 6 respectively, and the second servo motor 704 is controlled by the external control system to start, and the second servo motor 704 drives the single second pulley 702 to rotate, prompting the second transmission belt 703 to transmit the rotational force to the other second pulley 702, so that the two second pulleys 702 drive the corresponding screw rods 603 to rotate, prompting the two sets of sliding seats 604 to drive the corresponding second V-shaped clamping frames 605 to slide close, and then clamp and fix the middle sections of the automobile brake pipe and the metal joint respectively, then, the external control system controls the two first servo cylinders 8 to start, and the two first servo cylinders 8 push the two auxiliary clamping mechanisms 6 and the automobile brake pipe and metal joint clamped by them to slide close along the limiting slide groove 5, prompting the welding end of the automobile brake pipe to dock with the welding end of the metal joint.

[0066] During the welding preparation stage, the two second servo cylinders 902 are started under the control of an external control system, and the two second servo cylinders 902 respectively push the corresponding connecting seats 903 to drive the two protective cover plates 904 to slide close to the welding stand 901, so as to form protection at the welding point of the automobile brake pipe and the metal joint. Then, the servo electric cylinder 14 is started under the control of an external control system, and the servo electric cylinder 14 pushes the mounting plate 15 down to make the welding gun nozzle 16 reach the welding position. During this process, the first connecting rod 1702 is rotated in the first fixed ear seat 1701 under the thrust, and the second connecting rod 1703 rotates at the end of the first connecting rod 1702 and inside the second fixed ear seat 1704 to maintain the stability of the welding gun nozzle 16 when it descends.

[0067] In the annular welding stage, first, the external control system controls the welding gun nozzle 16 to start, and welds the joint between the automobile brake pipe and the metal joint. In this process, the external control system controls multiple micro servo cylinders 307 to start, and the micro servo cylinders 307 push the corresponding first V-shaped clamping frame 306. At this time, the connecting shaft 304 drives the first V-shaped clamping frame 306 to slide close along the through groove 303, and then clamps and fixes the end of the automobile brake pipe and the end of the metal joint respectively. Then, the external control system controls the second servo motor 704 to start, and the second servo motor 704 drives the single second pulley 702 to reverse, prompting the synchronous drive component 7 to rotate The force is transmitted to the two screw rods 603, driving the screw rods 603 to rotate, reducing the clamping force of the second V-shaped clamping frame 605 on the automobile brake pipe and the metal joint, and converting it into limiting the automobile brake pipe and the metal joint. Then, the first servo motor 205 is controlled by the external control system to start, and the first servo motor 205 drives the rotating shaft 202 to rotate. At this time, the rotating shaft 202 drives the two first pulleys 203 to rotate, and at the same time, the first transmission belt 204 is used to transmit the rotational force to the pulley turntable 301, thereby driving the two pulley turntables 301 and the automobile brake pipe and metal joint clamped by the two respectively to rotate synchronously, so as to realize the ring welding of the automobile brake pipe and the metal joint.

[0068] During the unloading stage, when the welding work is completed, the external control system controls the cooling fan 11 to start, and the cooling fan 11 quickly discharges the high-temperature hot air generated by welding to the outside. Then, the external control system sequentially controls the servo electric cylinder 14, the second servo cylinder 902, the micro servo cylinder 307 and the single second servo motor 704 to start. The servo electric cylinder 14 contracts to drive the mounting plate 15 to rise, so that the welding gun nozzle 16 returns to its original position. The second servo cylinder 902 pulls the connecting seat 903 to drive the corresponding protective cover plate 904 to separate, thereby releasing the protection of the welding area. The micro servo cylinder 307 contracts to drive the first V-shaped clamping frame 306 to retract, thereby releasing the protection of the welding area. In addition to clamping the end of the automobile brake pipe and the end of the metal joint, the second servo motor 704 drives the single second pulley 702 to rotate, so that the synchronous drive component 7 drives the two screws 603 to rotate, and clamps and fixes one of the welded automobile brake pipes or metal joints again. Then, the external control system controls the single first servo cylinder 8 to start, driving the auxiliary clamping mechanism 6 and the clamped finished product to slide out along the limiting slide groove 5. After moving out, the external control system controls the synchronous drive component 7 to drive the auxiliary clamping mechanism 6 to release the clamping of the finished product, and the welded finished product is taken out through the external unloading equipment, thereby completing the welding work of the automobile brake pipe metal joint.

[0069] By operating according to the above contents, the use of the welding tool for the metal joint of the automobile brake pipe can be completed.

[0070] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. 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 welding tool for automobile brake pipe metal joints, characterized in that: comprising a base (1); A bracket assembly, fixedly mounted on the top of the base (1); A pressing assembly, arranged at the bottom of the bracket assembly; A welding gun nozzle (16) is fixedly mounted on the bottom of the pressing assembly; A synchronous turning mechanism (2) is arranged on the top of the base (1); The synchronous flipping mechanism (2) comprises a rotating shaft (202), a first servo motor (205) and two first pulleys (203); the output end of the first servo motor (205) is connected to the rotating shaft (202); the two first pulleys (203) are mounted on the outer wall of the rotating shaft (202); the outer side of each first pulley (203) is sleeved with a first transmission belt (204); the inner side of the first transmission belt (204) is provided with a multi-size clamping mechanism (3); the first servo motor (205) drives the rotating shaft (202) to drive the two first pulleys (203) to rotate; the two first transmission belts (204) are used to transmit rotational force, so as to cause the two multi-size clamping mechanisms (3) to rotate synchronously, thereby causing the automobile brake pipe and the metal joint clamped by the multi-size clamping mechanism (3) to rotate synchronously.

2. The welding tool for automobile brake pipe metal joint according to claim 1, characterized in that: The multi-size clamping mechanism (3) comprises a pulley turntable (301), three first V-shaped clamping frames (306) and a micro servo cylinder (307), wherein the three micro servo cylinders (307) are fixedly mounted on one side of the pulley turntable (301), and the output end of each micro servo cylinder (307) is respectively connected to a corresponding first V-shaped clamping frame (306), and the three first V-shaped clamping frames (306) are telescopically driven to drive the corresponding first V-shaped clamping frames (306) to approach the center of the pulley turntable (301) as the midpoint, thereby clamping automobile brake pipes and metal joints of different sizes; The surface of the pulley turntable (301) is penetrated by three through grooves (303); a connecting shaft (304) is installed on one side of each of the first V-shaped clamping frames (306); each of the connecting shafts (304) is slidably installed inside a corresponding through groove (303); one end of each of the connecting shafts (304) is connected to a limiting pad (305); three fixing blocks (302) are fixedly installed on one side of the pulley turntable (301); and the first transmission belt (204) is sleeved on the outer side of the pulley turntable (301).

3. The welding tool for automobile brake pipe metal joint according to claim 2, characterized in that: The synchronous flipping mechanism (2) comprises two fixed frames (201), the rotating shaft (202) is arranged between the two fixed frames (201), the first servo motor (205) is installed on one side of a single fixed frame (201), the output end of the first servo motor (205) movably passes through the single fixed frame (201) and is connected to the rotating shaft (202), and a sliding groove frame (206) is arranged on the opposite side of the two fixed frames (201), and each group of the fixed blocks (302) is rotatably installed on the inner side of a corresponding sliding groove frame (206).

4. The welding tool for automobile brake pipe metal joint according to claim 1, characterized in that: Two U-shaped frames (4) are symmetrically arranged on the top of the base (1), and a limiting slide groove (5) is provided through the outer side of each of the U-shaped frames (4), and an auxiliary clamping mechanism (6) is slidably installed inside each of the limiting slide grooves (5). A synchronous driving component (7) is provided at one end of each of the auxiliary clamping mechanisms (6), and a first servo cylinder (8) is installed at one end of each of the U-shaped frames (4), and the output end of each of the first servo cylinders (8) movably passes through a corresponding U-shaped frame (4) and is connected to a corresponding auxiliary clamping mechanism (6).

5. The welding tool for automobile brake pipe metal joint according to claim 4, characterized in that: The auxiliary clamping mechanism (6) comprises two fixed frames (601), the two fixed frames (601) are slidably mounted inside a corresponding limiting slide groove (5), a guide rod (602) is mounted on the inner side of each fixed frame (601), a screw rod (603) is arranged on the inner side of each fixed frame (601), one end of each screw rod (603) is movably passed through a corresponding fixed frame (601) and is connected to a corresponding synchronous drive assembly (7), two sliding seats (604) are symmetrically arranged on the outer side of each screw rod (603) and the guide rod (602), a second V-shaped clamping frame (605) is fixedly mounted on the top of each sliding seat (604), and two connecting frames (606) are fixedly connected between the two fixed frames (601).

6. The welding tool for automobile brake pipe metal joint according to claim 5, characterized in that: The synchronous drive assembly (7) comprises two mounting frames (701), each of the mounting frames (701) being mounted on one end of a corresponding fixed frame (601), a second pulley (702) being mounted on one side of each mounting frame (701), each of the lead screws (603) being connected to a corresponding second pulley (702), a second transmission belt (703) being sleeved on the outer sides of the two second pulleys (702), a second servo motor (704) being mounted on one side of a single mounting frame (701), an output end of the second servo motor (704) being movably connected to a corresponding mounting frame (701) and connected to a corresponding second pulley (702).

7. The welding tool for automobile brake pipe metal joint according to claim 1, characterized in that: A protective mechanism (9) is provided on the top of the base (1), and the protective mechanism (9) is provided between the two synchronous turning mechanisms (2); The protection mechanism (9) comprises a welding stand (901), wherein the welding stand (901) is fixedly mounted on the top of the base (1), and second servo cylinders (902) are symmetrically mounted at both ends of the welding stand (901), and the output end of each second servo cylinder (902) is movable through one end of the welding stand (901) and connected to a connecting seat (903), and a protection cover plate (904) is mounted on the top of each connecting seat (903), and an observation window (10) is arranged on one side of a single protection cover plate (904), and a cooling fan (11) is mounted on one side of another protection cover plate (904).

8. The welding tool for automobile brake pipe metal joint according to claim 1, characterized in that: The support assembly comprises four pillars (12), each of the four pillars (12) being fixedly mounted on the top of the base (1), and a top plate (13) being fixedly mounted on the top of the four pillars (12); The pressing assembly comprises a servo electric cylinder (14), the servo electric cylinder (14) is fixedly mounted on the top of the top plate (13), the output end of the servo electric cylinder (14) movably passes through the top plate (13) and is connected to a mounting plate (15), and the welding gun nozzle (16) is mounted on the bottom of the mounting plate (15).

9. The welding tool for automobile brake pipe metal joint according to claim 8, characterized in that: A plurality of folding mechanisms (17) are provided between the top plate (13) and the mounting plate (15); The folding mechanism (17) comprises a first fixed ear seat (1701), wherein the first fixed ear seat (1701) is fixedly mounted on the bottom of the top plate (13), the inner side of the first fixed ear seat (1701) is rotatably connected to a first connecting rod (1702), one end of the first connecting rod (1702) is rotatably connected to a second connecting rod (1703), one end of the second connecting rod (1703) is rotatably connected to a second fixed ear seat (1704), and the second fixed ear seat (1704) is fixedly mounted on the top of the mounting plate (15).

10. The welding tool for automobile brake pipe metal joint according to claim 1, characterized in that: The four corners of the top of the base (1) are all equipped with fastening bolts (18), and an anti-dropping gasket (19) is sleeved on the outer side of each fastening bolt (18).

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