Intelligent welding equipment for fire extinguisher steel cylinder production

Abstract

The invention relates to the related technical field of intelligent welding equipment, in particular to intelligent welding equipment for fire extinguisher steel cylinder production, which comprises a main platform, a rotating platform, a workpiece positioning mechanism, a welding manipulator and a welding gun, supporting legs are fixedly mounted on the lower surface of the main platform, and a rotating shaft is rotatably mounted in the center of the main platform; the rotating shaft is driven by a first-stage servo motor on the lower side face of the main platform, the rotating platform is fixedly connected with the upper side end of the rotating shaft, and the workpiece positioning mechanism is arranged on the rotating platform and used for assembling and positioning a steel cylinder to be welded. The welding equipment for steel cylinder production is composed of the main platform, the rotating platform, the workpiece positioning mechanisms, the welding mechanical arm and the welding gun in a combined mode, so that the workpiece positioning mechanisms are arranged on the rotating platform at equal intervals, the feeding and discharging time and the welding time of workpieces are staggered, the waiting time of the welding gun in the feeding and discharging process is shortened, and the welding efficiency is improved. Therefore, the overall processing efficiency of the equipment is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field related to intelligent welding equipment, and in particular to intelligent welding equipment for producing fire extinguisher cylinders. Background Art

[0002] A fire extinguisher is a portable fire-fighting tool. It contains chemicals to extinguish fires. The cylinder is the most critical component of a fire extinguisher, and during production, it must be welded using welding equipment.

[0003] The existing Chinese patent document with the announcement number CN112872559B discloses a head butt ring welding machine for cylinder production, which includes a machine base, a head clamping and fixing device, a welding device and a double-station workbench; the head clamping and fixing device is installed at the upper end of the machine base, including a head part and a tail push rod part, the two parts are arranged opposite to each other on the left and right, and the head clamping and fixing position is between the two; the head part includes a head box, a horizontally arranged hollow shaft is installed on the head box, and an annular clamping seat is fixedly installed on the right end of the hollow shaft for clamping the lower head; the hollow shaft The left end of the shaft is connected to the drive motor through a transmission mechanism, and a push rod is provided in the hollow rotating shaft, the left end of the push rod is connected to the first driving cylinder provided outside the left end of the machine head box, and the right end of the push rod is a left top pressure end in contact with the bottom of the lower head; the tail push rod part includes a push rod seat and a push rod installed on the push rod seat and extending from the left side of the push rod seat, the push rod seat is connected to the upper end of the machine base in a left and right sliding direction through a linear guide pair, and the push rod seat is connected to the second driving cylinder, the push rod and the push rod are coaxially arranged, and the left end of the push rod is the right top pressure end in contact with the top of the upper head;

[0004] However, the above solution requires a long waiting time during the process of moving the workpiece up and down, which has a certain impact on the processing efficiency of the equipment. Therefore, the present invention proposes an intelligent welding equipment for the production of fire extinguisher cylinders to solve the above problem. Summary of the Invention

[0005] The purpose of the present invention is to provide an intelligent welding device for the production of fire extinguisher cylinders to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an intelligent welding device for producing fire extinguisher cylinders, comprising:

[0007] The main platform has support legs fixedly mounted on its lower surface, and a rotating shaft rotatably mounted at the center of the main platform, which is driven by a primary servo motor on the lower side of the main platform;

[0008] A rotating platform, the rotating platform being fixedly connected to the upper end of the rotating shaft;

[0009] A workpiece positioning mechanism, which is arranged on the rotating platform and is used for assembling and positioning the steel cylinder to be welded;

[0010] A welding manipulator, wherein a mounting platform is fixedly installed on the ground at the side of the main platform, and the base of the welding manipulator is fixed on the mounting platform;

[0011] Welding gun, a welding gun positioning seat is fixedly installed at the end of the welding manipulator, and a group of welding guns are symmetrically installed on the welding gun positioning seat, and the welding point spacing value on the steel cylinder to be welded is consistent with the welding head spacing value of the welding gun.

[0012] Preferably, the workpiece positioning mechanism includes a bottle mouth positioning structure, a bottle body positioning structure and a bottle bottom positioning structure, and the bottle mouth positioning structure, the bottle body positioning structure and the bottle bottom positioning structure are used to position the bottle mouth, bottle body and bottle bottom of the steel cylinder respectively, and the bottle body positioning structure is installed on the rotating platform through a mounting rod, and the bottle body positioning structure is an arc-shaped plate, and the curvature value of the inner wall of the bottle body positioning structure matches the curvature value of the outer wall of the bottle body.

[0013] Preferably, the bottle mouth positioning structure includes a primary base body and a primary rotating part. The primary base body is fixed on the rotating platform. The primary rotating part is rotatably installed in the primary rotating groove on the primary base body. A rotating rod is fixedly installed on the primary rotating part. The rotating rod is arranged through the through hole on the primary base body, and a driven gear is fixedly installed on the rotating rod. The bottle mouth of the steel cylinder is placed in the bottle mouth positioning groove on the primary rotating part during actual assembly.

[0014] Preferably, the bottle bottom positioning structure includes a secondary seat body, a secondary rotating member and a force-bearing shaft, the secondary seat body is provided with a secondary rotating groove, and guide rod seats are integrally formed on both sides of the secondary seat body, the primary mounting seat and the secondary mounting seat are fixedly mounted on the rotating platform, the primary mounting seat and the secondary mounting seat are correspondingly arranged, and a guide rod is fixedly mounted between the primary mounting seat and the secondary mounting seat, the guide rod seat is movably mounted on the guide rod, and a return spring is sleeved on the guide rod, the two ends of the return spring are respectively against the guide rod seat and the secondary mounting seat, when the return spring is in the reset state, the guide rod seat is engaged with the primary mounting seat, the secondary rotating member is rotatably arranged in the secondary rotating groove, and the bottle bottom positioning groove is provided on the secondary rotating member, and the force-bearing shaft is fixedly welded to the outer end surface of the secondary seat body.

[0015] Preferably, a force-bearing seat is fixedly installed at the edge of the main platform through a supporting column. The force-bearing seat is set at the same height as the force axis, and the force-bearing seat includes a primary force arc and a secondary force arc. The radius value of the primary force arc is smaller than the radius value of the secondary force arc, and the primary force arc and the secondary force arc are both set concentrically with the rotating platform. The rotating platform is evenly marked with six points, and the six points are respectively recorded as A, B, C, D, E, and F. Points C, D, and E are located within the range of the primary force arc, and points A, B, and F are located within the range of the secondary force arc.

[0016] Preferably, when the force-bearing axis is against the primary force arc, the bottle mouth and the bottle body of the steel cylinder are respectively embedded in the bottle mouth positioning groove and the bottle bottom positioning groove. When the force-bearing axis is against the secondary force arc, the reset spring is in a reset state, and at this time, the spacing value between the bottle mouth positioning structure and the bottle bottom positioning structure is greater than the length value of the steel cylinder.

[0017] Preferably, a gantry bracket is provided directly above the main platform, a motor bracket is fixedly mounted on the gantry bracket, a secondary servo motor is fixedly mounted on the motor bracket, a transmission gear is fixedly mounted on the output shaft of the secondary servo motor, and when the workpiece positioning mechanism moves to point D, the transmission gear is meshed with the driven gear.

[0018] Preferably, when the workpiece positioning mechanism moves to point A, the staff positions the bottle mouth, bottle body and bottle bottom of the steel cylinder on the bottle mouth positioning structure, bottle body positioning structure and bottle bottom positioning structure respectively. During the process of the workpiece positioning mechanism moving from point B to point C, the bottle mouth, bottle body and bottle bottom are fitted together under the operation of the bottle bottom positioning structure. When the workpiece positioning mechanism moves to point D, the welding gun on the welding robot welds the connection position of the bottle mouth, bottle body and bottle bottom. When the workpiece positioning mechanism moves to point F, the staff unloads the welded steel cylinder.

[0019] Preferably, the rotating platform is provided with a mounting rod movable hole, the mounting rod is movably installed in the mounting rod movable hole, the mounting rods are arranged in pairs, the upper side ends of the mounting rods are welded to the bottle body positioning structure, and a supporting spring is sleeved on the mounting rod, the upper and lower ends of the supporting spring are respectively set against the rotating platform and the force-bearing seat, the lower side end of the mounting rod is fixedly installed with the force-bearing seat by a positioning bolt, the upper end surface of the force-bearing seat is fixedly welded with a limiting rod, the main platform is fixedly installed with a force ring, the force-bearing The force ring is arranged concentrically with the rotating platform, and an air avoidance groove is provided on the upper surface of the force ring, the center line of the air avoidance groove coincides with point D, the force seat is arranged corresponding to the force ring, and when the force seat is against the upper surface of the force ring, the interface positions of the bottle mouth, bottle body and bottle bottom on the bottle mouth positioning structure, bottle body positioning structure and bottle bottom positioning structure are relatively aligned, when the force seat moves to the position of the air avoidance groove, the support spring is in a reset state, and at this time, the bottle body positioning structure is separated from the bottle body on the cylinder.

[0020] Preferably, guide pulleys are provided on the lower surface of the rotating platform, and the guide pulleys are arranged in a circle at equal intervals around the rotating platform. When the rotating platform is actually installed, the wheel bodies of the guide pulleys are all arranged in contact with the upper surface of the main platform.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. By setting up intelligent welding equipment for the production of fire extinguisher cylinders, which consists of a main platform, a rotating platform, a workpiece positioning mechanism, a welding manipulator, and a welding gun, and by arranging multiple workpiece positioning mechanisms at equal intervals on the rotating platform, the loading and unloading time of the workpiece and the welding time are staggered, thereby reducing the waiting time of the welding gun during the loading and unloading process, thereby effectively improving the overall processing efficiency of the equipment;

[0023] 2. By setting the workpiece positioning mechanism to be composed of a bottle mouth positioning structure, a bottle body positioning structure and a bottle bottom positioning structure, and setting the bottle mouth positioning structure to be composed of a primary seat body and a primary rotating member, and setting the bottle bottom positioning structure to be composed of a secondary seat body, a secondary rotating member and a force-bearing shaft, and setting a force seat composed of a primary force arc and a secondary force arc, so that the primary force arc and the secondary force arc generate a force on the force shaft, thereby realizing the distance and proximity between the bottle mouth positioning structure and the bottle bottom positioning structure, so that the bottle mouth, bottle body and bottle bottom of the steel cylinder can automatically fit together. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 for Figure 1 A magnified schematic diagram of the structure at G in the middle;

[0026] Figure 3 for Figure 1 A magnified schematic diagram of the structure at H in the middle;

[0027] Figure 4 A half-section view of the present invention;

[0028] Figure 5 for Figure 4 A magnified schematic diagram of the structure at J in the middle;

[0029] Figure 6 for Figure 4 A magnified schematic diagram of the structure at K in the middle;

[0030] Figure 7 for Figure 6 A magnified schematic diagram of the structure at L in the middle;

[0031] Figure 8 for Figure 6 A magnified schematic diagram of the structure at M in the middle;

[0032] Figure 9 Schematic diagram of the guide rod structure of the present invention;

[0033] Figure 10 It is a structural schematic diagram of the force bearing seat of the present invention;

[0034] Figure 11 Schematic diagram of the structure of the force ring of the present invention;

[0035] Figure 12 This is a schematic diagram of the workpiece positioning mechanism of the present invention;

[0036] Figure 13 for Figure 12 Enlarged schematic diagram of the structure at position N.

[0037] In the figure: main platform 1, rotating platform 2, workpiece positioning mechanism 3, welding manipulator 4, welding gun 5, supporting leg 6, rotating shaft 7, mounting platform 8, welding gun positioning seat 9, steel cylinder 10, bottle mouth positioning structure 11, bottle body positioning structure 12, bottle bottom positioning structure 13, primary seat body 14, primary rotating member 15, rotating rod 16, driven gear 17, motor bracket 18, secondary servo motor 19, transmission gear 20, secondary seat body 21, secondary rotating member 22, force shaft 23, guide rod seat 24, primary mounting seat 25, secondary mounting seat 26, guide rod 27, return spring 28, support column 31, force seat 32, primary force arc 33, secondary force arc 34, force ring 35, avoidance groove 36, mounting rod 37, support spring 38, force seat 39, limit rod 40, guide pulley 41. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] See also Figures 1-13 , the present invention provides the following three preferred embodiments:

[0040] Example 1: An intelligent welding equipment for the production of fire extinguisher cylinders, comprising a main platform 1, a rotating platform 2, a workpiece positioning mechanism 3, a welding manipulator 4 and a welding gun 5. The lower surface of the main platform 1 is fixedly mounted with a support leg 6, and the center position of the main platform 1 is rotatably mounted with a rotating shaft 7, which is driven by a primary servo motor on the lower side of the main platform 1. The rotating platform 2 is fixedly connected to the upper side end of the rotating shaft 7. The workpiece positioning mechanism 3 is arranged on the rotating platform 2, and the workpiece positioning mechanism 3 is used to assemble and position the cylinder 10 to be welded. A mounting platform 8 is fixedly mounted on the ground at the side position of the main platform 1, and the base of the welding manipulator 4 is fixed on the main platform 1. On the mounting platform 8, a welding gun positioning seat 9 is fixedly installed at the end of the welding manipulator 4, and a group of welding guns 5 are symmetrically installed on the welding gun positioning seat 9, and the welding point spacing value on the steel cylinder 10 to be welded is consistent with the welding head spacing value of the welding gun 5. By setting up an intelligent welding equipment for the production of fire extinguisher cylinders composed of a main platform 1, a rotating platform 2, a workpiece positioning mechanism 3, a welding manipulator 4 and a welding gun 5, a plurality of workpiece positioning mechanisms 3 are arranged at equal intervals on the rotating platform 2, so that the loading and unloading time and welding time of the workpiece are staggered, so as to reduce the waiting time of the welding gun 5 during the loading and unloading process, thereby effectively improving the overall processing efficiency of the equipment.

[0041] Example 2: On the basis of Example 1, the workpiece positioning mechanism 3 includes a bottle mouth positioning structure 11, a bottle body positioning structure 12 and a bottle bottom positioning structure 13. The bottle mouth positioning structure 11, the bottle body positioning structure 12 and the bottle bottom positioning structure 13 are respectively used to position the bottle mouth, bottle body and bottle bottom of the steel cylinder 10. The bottle body positioning structure 12 is installed on the rotating platform 2 through the mounting rod 37, and the bottle body positioning structure 12 is an arc-shaped plate. The curvature value of the inner wall of the bottle body positioning structure 12 matches the curvature value of the outer wall of the bottle body.

[0042] The bottle mouth positioning structure 11 includes a primary base body 14 and a primary rotating member 15. The primary base body 14 is fixed on the rotating platform 2. The primary rotating member 15 is rotatably installed in the primary rotating groove on the primary base body 14. A rotating rod 16 is fixedly installed on the primary rotating member 15. The rotating rod 16 is arranged through the through hole on the primary base body 14, and a driven gear 17 is fixedly installed on the rotating rod 16. During actual assembly, the bottle mouth of the cylinder 10 is placed in the bottle mouth positioning groove on the primary rotating member 15.

[0043] The bottle bottom positioning structure 13 includes a secondary seat body 21, a secondary rotating member 22 and a force-bearing shaft 23. A secondary rotating groove is provided on the secondary seat body 21, and a guide rod seat 24 is integrally formed on both sides of the secondary seat body 21. A primary mounting seat 25 and a secondary mounting seat 26 are fixedly mounted on the rotating platform 2. The primary mounting seat 25 and the secondary mounting seat 26 are correspondingly arranged, and a guide rod 27 is fixedly mounted between the primary mounting seat 25 and the secondary mounting seat 26. The guide rod seat 24 is movably mounted on the guide rod 27, and a return spring 28 is sleeved on the guide rod 27. The two ends of the return spring 28 are respectively against the guide rod seat 24 and the secondary mounting seat 26. When the return spring 28 is in the reset state, the guide rod seat 24 is arranged in abutment with the primary mounting seat 25, and the secondary rotating member 22 is rotatably set in the secondary rotating groove, and a bottle bottom positioning groove is provided on the secondary rotating member 22. The force-bearing shaft 23 is fixedly welded to the outer end surface of the secondary seat body 21.

[0044] A force-bearing seat 32 is fixedly installed at the edge of the main platform 1 through a supporting column 31. The force-bearing seat 32 is set at the same height as the force axis 23, and the force-bearing seat 32 includes a primary force arc 33 and a secondary force arc 34. The radius value of the primary force arc 33 is smaller than the radius value of the secondary force arc 34, and the primary force arc 33 and the secondary force arc 34 are both set concentrically with the rotating platform 2. The rotating platform 2 is evenly marked with six points, and the six points are respectively recorded as A, B, C, D, E, and F. Points C, D, and E are located within the range of the primary force arc 33, and points A, B, and F are located within the range of the secondary force arc 34.

[0045] When the force-bearing axis 23 is against the primary force-bearing arc 33, the bottle mouth and bottle body of the steel cylinder 10 are respectively embedded in the bottle mouth positioning groove and the bottle bottom positioning groove. When the force-bearing axis 23 is against the secondary force-bearing arc 34, the reset spring 28 is in the reset state, and at this time, the distance value between the bottle mouth positioning structure 11 and the bottle bottom positioning structure 13 is greater than the length value of the steel cylinder 10.

[0046] A gantry bracket is provided directly above the main platform 1, on which a motor bracket 18 is fixedly mounted, on which a secondary servo motor 19 is fixedly mounted, and on which an output shaft of the secondary servo motor 19 is fixedly mounted a transmission gear 20. When the workpiece positioning mechanism 3 moves to point D, the transmission gear 20 is meshed with the driven gear 17. A single drive structure can be used to allow the six workpiece positioning mechanisms 3 to automatically start when they move to the specified position, thereby reducing the use of drive structures on the equipment.

[0047] When the workpiece positioning mechanism 3 moves to point A, the staff positions the bottle mouth, bottle body and bottle bottom of the steel cylinder 10 on the bottle mouth positioning structure 11, bottle body positioning structure 12 and bottle bottom positioning structure 13 respectively. When the workpiece positioning mechanism 3 moves from point B to point C, the bottle mouth, bottle body and bottle bottom are matched together under the operation of the bottle bottom positioning structure 13. When the workpiece positioning mechanism 3 moves to point D, the welding gun 5 on the welding manipulator 4 welds the connection position of the bottle mouth, bottle body and bottle bottom. When the workpiece positioning mechanism 3 moves to point F, the staff unloads the welded steel cylinder 10. By setting the workpiece positioning mechanism 3 to the bottle mouth, bottle body and bottle bottom The mouth positioning structure 11, the bottle body positioning structure 12 and the bottle bottom positioning structure 13 are composed of a combination of the first-level seat body 14 and the first-level rotating member 15, and the bottle bottom positioning structure 13 is arranged to be composed of a second-level seat body 21, a second-level rotating member 22 and a force shaft 23, and a force seat 32 composed of a first-level force arc 33 and a second-level force arc 34 is provided, so that the first-level force arc 33 and the second-level force arc 34 generate a force on the force shaft 23, thereby realizing the distance and proximity between the bottle mouth positioning structure 11 and the bottle bottom positioning structure 13, so that the bottle mouth, bottle body and bottle bottom of the steel cylinder 10 can automatically fit together.

[0048] Embodiment 3: On the basis of embodiment 2, a mounting rod movable hole is provided on the rotating platform 2, and the mounting rod 37 is movably installed in the mounting rod movable hole. The mounting rods 37 are arranged in pairs, and the upper side ends of the mounting rods 37 are welded to the bottle body positioning structure 12, and a support spring 38 is sleeved on the mounting rod 37. The upper and lower ends of the support spring 38 are respectively set against the rotating platform 2 and the force seat 39. The lower side end of the mounting rod 37 is fixedly installed with the force seat 39 by a positioning bolt, and the upper end surface of the force seat 39 is fixedly welded with a limiting rod 40. A force ring 35 is fixedly installed on the main platform 1. The force ring 35 is arranged concentrically with the rotating platform 2, and an air avoidance groove 36 is provided on the upper surface of the force ring 35. The center line of the air-avoiding groove 36 coincides with point D, the force-bearing seat 39 is arranged corresponding to the force ring 35, and when the force-bearing seat 39 is against the upper surface of the force ring 35, the interface positions of the bottle mouth, bottle body and bottle bottom on the bottle mouth positioning structure 11, the bottle body positioning structure 12 and the bottle bottom positioning structure 13 are relatively aligned. When the force-bearing seat 39 moves to the position of the air-avoiding groove 36, the support spring 38 is in a reset state, and at this time, the bottle body positioning structure 12 is separated from the bottle body on the steel cylinder 10, which facilitates the workpiece positioning mechanism 3 to separate the bottle body positioning structure 12 from the bottle body on the steel cylinder 10 during the welding process, thereby avoiding the steel cylinder 10 from being damaged by friction with the bottle body positioning structure 12 during rotation.

[0049] A guide pulley 41 is provided on the lower surface of the rotating platform 2. The guide pulley 41 is arranged in a circle at equal intervals around the rotating platform 2. When the rotating platform 2 is actually installed, the wheel body of the guide pulley 41 is arranged to be in contact with the upper surface of the main platform 1. The setting of the guide pulley 41 can improve the stability of the rotating platform 2 during the rotation process.

[0050] Although the above describes the illustrative specific embodiments of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. An intelligent welding equipment for the production of fire extinguisher cylinders, characterized by: include: A main platform (1), wherein a support leg (6) is fixedly mounted on the lower surface of the main platform (1), and a rotating shaft (7) is rotatably mounted at the center of the main platform (1), and the rotating shaft (7) is driven by a primary servo motor on the lower side of the main platform (1); A rotating platform (2), wherein the rotating platform (2) is fixedly connected to the upper side end of the rotating shaft (7); A workpiece positioning mechanism (3), wherein the workpiece positioning mechanism (3) is arranged on the rotating platform (2), and the workpiece positioning mechanism (3) is used for assembling and positioning the steel cylinder (10) to be welded; A welding manipulator (4) is provided with a mounting platform (8) fixedly mounted on the ground at a side position of the main platform (1), and a base of the welding manipulator (4) is fixed on the mounting platform (8); A welding gun (5) is fixedly mounted on the end of the welding manipulator (4) with a welding gun positioning seat (9). The welding gun (5) is symmetrically mounted on the welding gun positioning seat (9) in a group, and the spacing value of the welding points on the steel cylinder (10) to be welded matches the spacing value of the welding heads of the welding gun (5).

2. The intelligent welding equipment for producing fire extinguisher cylinders according to claim 1 is characterized by: The workpiece positioning mechanism (3) comprises a bottle mouth positioning structure (11), a bottle body positioning structure (12) and a bottle bottom positioning structure (13), wherein the bottle mouth positioning structure (11), the bottle body positioning structure (12) and the bottle bottom positioning structure (13) are respectively used for positioning the bottle mouth, the bottle body and the bottle bottom of the steel cylinder (10), wherein the bottle body positioning structure (12) is mounted on the rotating platform (2) via a mounting rod (37), and the bottle body positioning structure (12) is a curved plate, and the curvature value of the inner side wall of the bottle body positioning structure (12) matches the curvature value of the outer side wall of the bottle body.

3. The intelligent welding equipment for producing fire extinguisher cylinders according to claim 2 is characterized in that: The bottle mouth positioning structure (11) comprises a primary base body (14) and a primary rotating member (15). The primary base body (14) is fixed on the rotating platform (2). The primary rotating member (15) is rotatably mounted in a primary rotating groove on the primary base body (14). A rotating rod (16) is fixedly mounted on the primary rotating member (15). The rotating rod (16) passes through a through hole on the primary base body (14) for arrangement. A driven gear (17) is fixedly mounted on the rotating rod (16). The bottle mouth of the steel cylinder (10) is placed in the bottle mouth positioning groove on the primary rotating member (15) during actual assembly.

4. The intelligent welding equipment for producing fire extinguisher cylinders according to claim 3 is characterized by: The bottle bottom positioning structure (13) comprises a secondary seat body (21), a secondary rotating member (22) and a force-bearing shaft (23); a secondary rotating groove is provided on the secondary seat body (21), and guide rod seats (24) are integrally formed on both sides of the secondary seat body (21); a primary mounting seat (25) and a secondary mounting seat (26) are fixedly installed on the rotating platform (2); the primary mounting seat (25) and the secondary mounting seat (26) are arranged correspondingly, and a guide rod (27) is fixedly installed between the primary mounting seat (25) and the secondary mounting seat (26); the guide rod The seat (24) is movably mounted on the guide rod (27). A return spring (28) is sleeved on the guide rod (27). Two ends of the return spring (28) are respectively abutted against the guide rod seat (24) and the secondary mounting seat (26). When the return spring (28) is in a reset state, the guide rod seat (24) and the primary mounting seat (25) are abutted against each other. The secondary rotating member (22) is rotatably arranged in the secondary rotating groove, and a bottle bottom positioning groove is provided on the secondary rotating member (22). The force-bearing shaft (23) is fixedly welded to the outer end surface of the secondary seat body (21).

5. The intelligent welding equipment for producing fire extinguisher cylinders according to claim 4 is characterized in that: A force bearing seat (32) is fixedly installed at the edge of the main platform (1) through a supporting column (31). The force bearing seat (32) is arranged at the same height as the force bearing axis (23), and the force bearing seat (32) includes a primary force bearing arc (33) and a secondary force bearing arc (34). The radius of the primary force bearing arc (33) is smaller than the radius of the secondary force bearing arc (34), and the primary force bearing arc (33) and the secondary force bearing arc (34) are both arranged concentrically with the rotating platform (2). The rotating platform (2) is evenly marked with six points, and the six points are respectively recorded as points A, B, C, D, E, and F. Points C, D, and E are located within the range of the primary force bearing arc (33), and points A, B, and F are located within the range of the secondary force bearing arc (34).

6. The intelligent welding equipment for producing fire extinguisher cylinders according to claim 5, characterized in that: When the force-bearing axis (23) abuts against the primary force-bearing arc (33), the bottle mouth and the bottle body of the steel cylinder (10) are respectively embedded in the bottle mouth positioning groove and the bottle bottom positioning groove; when the force-bearing axis (23) abuts against the secondary force-bearing arc (34), the reset spring (28) is in a reset state, and at this time, the spacing between the bottle mouth positioning structure (11) and the bottle bottom positioning structure (13) is greater than the length of the steel cylinder (10).

7. The intelligent welding equipment for producing fire extinguisher cylinders according to claim 6, characterized in that: A gantry bracket is provided just above the main platform (1), a motor bracket (18) is fixedly mounted on the gantry bracket, a secondary servo motor (19) is fixedly mounted on the motor bracket (18), a transmission gear (20) is fixedly mounted on the output shaft of the secondary servo motor (19), and when the workpiece positioning mechanism (3) moves to point D, the transmission gear (20) is meshed with the driven gear (17).

8. The intelligent welding equipment for producing fire extinguisher cylinders according to claim 7, characterized in that: When the workpiece positioning mechanism (3) moves to point A, the worker positions the bottle mouth, bottle body and bottle bottom of the steel cylinder (10) on the bottle mouth positioning structure (11), the bottle body positioning structure (12) and the bottle bottom positioning structure (13) respectively. During the movement of the workpiece positioning mechanism (3) from point B to point C, the bottle mouth, bottle body and bottle bottom are fitted together under the operation of the bottle bottom positioning structure (13). When the workpiece positioning mechanism (3) moves to point D, the welding gun (5) on the welding manipulator (4) welds the connection position of the bottle mouth, bottle body and bottle bottom. When the workpiece positioning mechanism (3) moves to point F, the worker unloads the welded steel cylinder (10).

9. The intelligent welding equipment for producing fire extinguisher cylinders according to claim 8, characterized in that: The rotating platform (2) is provided with a mounting rod movable hole, and the mounting rod (37) is movably installed in the mounting rod movable hole. The mounting rods (37) are arranged in pairs, and the upper side ends of the mounting rods (37) are welded to the bottle body positioning structure (12), and the mounting rods (37) are sleeved with a support spring (38). The upper and lower ends of the support spring (38) are respectively set against the rotating platform (2) and the force seat (39). The lower side end of the mounting rod (37) is fixedly installed with the force seat (39) by a positioning bolt, and the upper end surface of the force seat (39) is fixedly welded with a limiting rod (40). A force ring (35) is fixedly installed on the main platform (1). The force ring (35) ) is arranged cocentrically with the rotating platform (2), and an air-avoiding groove (36) is provided on the upper surface of the force-bearing ring (35), the center line of the air-avoiding groove (36) coincides with point D, the force-bearing seat (39) is arranged corresponding to the force-bearing ring (35), and when the force-bearing seat (39) and the upper surface of the force-bearing ring (35) are in contact with each other, the interface positions of the bottle mouth, bottle body and bottle bottom on the bottle mouth positioning structure (11), the bottle body positioning structure (12) and the bottle bottom positioning structure (13) are relatively aligned, and when the force-bearing seat (39) moves to the position of the air-avoiding groove (36), the support spring (38) is in a reset state, and at this time, the bottle body positioning structure (12) is separated from the bottle body on the steel cylinder (10).

10. The intelligent welding equipment for producing fire extinguisher cylinders according to claim 9, characterized in that: A guide pulley (41) is provided on the lower surface of the rotating platform (2). The guide pulley (41) is arranged in a circle at equal intervals around the rotating platform (2). When the rotating platform (2) is actually installed, the wheel bodies of the guide pulleys (41) are all arranged to be in contact with the upper surface of the main platform (1).

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