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CN-121972897-A - Welding device for fire extinguisher tank

CN121972897ACN 121972897 ACN121972897 ACN 121972897ACN-121972897-A

Abstract

The invention discloses a welding device for a fire extinguisher tank, which comprises a positioning mechanism, a clamping mechanism, a power assembly, a welding mechanism and a frame, wherein the positioning mechanism comprises two driving seats, a transmission assembly and three positioning rods, each driving seat comprises a base, a rotating seat and a fixing seat, each fixing seat is fixedly connected with the base through bolts, each rotating seat is rotatably arranged in the corresponding base, three sliding seats distributed at equal angles are slidingly arranged on the corresponding fixing seat along the central direction of the corresponding fixing seat, two ends of each positioning rod are respectively arranged in the two sliding seats, through grooves for avoiding the corresponding positioning rods are formed in the corresponding fixing seat, and a first protruding rod is arranged on each sliding seat.

Inventors

  • CHEN PINGPING

Assignees

  • 福建省鸿特消防科技有限公司

Dates

Publication Date
20260505
Application Date
20260408

Claims (9)

  1. 1. A fire extinguisher tank welding apparatus, comprising: The positioning mechanism comprises a driving seat (9), a transmission assembly (18) and three positioning rods (7), wherein the driving seat (9) is provided with two through grooves (50) for avoiding the positioning rods (7), the driving seat (9) comprises a base (24), a rotating seat (34) and a fixed seat (32), the fixed seat (32) is fixedly connected with the base (24) through bolts, the rotating seat (34) is rotationally arranged in the base (24), three sliding seats (26) distributed at equal angles are slidingly arranged on the fixed seat (32) along the central direction of the fixed seat (32), two ends of each positioning rod (7) are respectively arranged in the two sliding seats (26), a through groove (50) for avoiding the positioning rods (7) is formed in the fixed seat (32), a first convex rod (25) is arranged on the sliding seat (26), arc grooves (37) matched with the first convex rod (25) are formed in the rotating seat (34), and the central distances from two ends of the arc grooves (37) to the rotating seat (34) are not equal, and the transmission assembly (18) is arranged at the centers of the base (24) and the rotating seat (34); the clamping mechanism is provided with two groups and comprises an air cylinder (5) and a clamping rod (16), one end of the clamping rod (16) is rotatably arranged with a piston of the air cylinder (5), and the other end of the clamping rod penetrates through the transmission assembly (18) and the driving seat (9); The power assembly (19) is used for driving the transmission assembly (18) or the clamping rod (16) to rotate so as to drive the rotating seat (34) to rotate when the transmission assembly (18) rotates or drive the fire extinguisher tank to rotate when the clamping rod (16) rotates; The welding mechanism comprises a fixed rod (6) and two welding assemblies (8), and the two welding assemblies (8) are arranged on the fixed rod (6) in a sliding manner; A frame (10) for mounting the positioning mechanism, the clamping mechanism, the power assembly (19) and the welding mechanism.
  2. 2. The fire extinguisher tank welding apparatus according to claim 1, wherein the fixing base (32) is provided with a first chute (51), the sliding seat (26) is slidably disposed in the first chute (51), and the sliding seat (26) is further provided with a damping member (39), the damping member (39) comprises a first limit bolt (44), a first spring (45) and a limit sleeve (43), two ends of the positioning rod (7) are provided with positioning tables (42) with non-circular sections, the sliding seat (26) is provided with a second chute (52) for sliding the positioning tables (42), one end of the first limit bolt (44) is fixedly connected with the positioning tables (42) after passing through the sliding seat (26) and the limit sleeve (43), the first spring (45) is sleeved on the outer side of the first limit bolt (44), and two ends of the first spring (45) are respectively abutted against the sliding seat (26) and the limit sleeve (43).
  3. 3. The fire extinguisher tank welding apparatus according to claim 1, wherein the power assembly (19) comprises a motor (4), a transmission rod (11), a pulley group and a fixed block (15), the pulley group is provided with two groups, and comprises a driving pulley (12), a driven pulley (14) and a belt (13), a mounting cavity is arranged in the frame (10), the fixed block (15) is fixed on the side wall of the mounting cavity, the driving pulley (12) is fixed on the transmission rod (11), an output shaft of the motor (4) is fixedly connected with one end of the transmission rod (11), the driven pulley (14) is rotatably mounted on the fixed block (15), the belt (13) is sleeved on the outer sides of the driving pulley (12) and the driven pulley (14), and the transmission assembly (18) and the clamping rod (16) are respectively in matched transmission with two sides of the driven pulley (14).
  4. 4. A fire extinguisher tank welding apparatus according to claim 3, wherein the transmission assembly (18) comprises a first movable member (27), a second movable member (23) and a second spring (35), the first movable member (27) passes through the rotating seat (34) and the base (24) and then is fixedly connected with the second movable member (23) through bolts, the first movable member (27) is in a stepped shaft structure, one side of the first movable member, which is close to the rotating seat (34), is provided with a plurality of second convex rods (38), the rotating seat (34) is provided with a first positioning hole (53) matched with the second convex rods (38), one end of the second convex rods (38) is always located in the first positioning hole (53), one side, which is close to the driven pulley (14), of the second movable member (23) is provided with a third convex rod (41), the driven pulley (14) is provided with a second positioning hole (40) matched with the third convex rod (41), and the second spring (35) is sleeved on the outer side of the first movable member (27) and is close to the driven pulley (14).
  5. 5. A fire extinguisher tank welding apparatus according to claim 4, wherein wear plates (36) are provided on both sides of the second spring (35), and a limit projection is provided on one side of the wear plates (36) close to the second spring (35).
  6. 6. The fire extinguisher tank welding apparatus according to claim 4, wherein the clamping rod (16) is of a stepped rod structure, the end with a large diameter is located at one side of the driven pulley (14) away from the transmission assembly (18), the end with a small diameter penetrates through the driven pulley (14) and the transmission assembly (18), the clamping rod (16) is provided with a pressing table (56) for pushing the transmission assembly (18) away from the driven pulley (14), one end of the clamping rod (16) away from the driven pulley (14) is further provided with an elastic pressing piece (17), and one side of the clamping rod (16) abutting against the driven pulley (14) is provided with a friction plate (22).
  7. 7. The welding device for the fire extinguisher tank according to claim 6, wherein the elastic pressing piece (17) comprises a pressing block (29), a second limiting bolt (28) and a third spring (30), a sinking groove is formed in the pressing block (29), one end of the second limiting bolt (28) is located in the sinking groove, the other end of the second limiting bolt penetrates through the pressing block (29) and is fixedly connected with the clamping rod (16), the third spring (30) is located in the clamping rod (16), and the third spring (30) applies a force far away from the clamping rod (16) to the pressing block (29).
  8. 8. A fire extinguisher tank welding apparatus according to claim 6, wherein the clamping rod (16) is further provided with a mounting boss (20), and the piston of the cylinder (5) is provided with a movable sleeve (21) rotatably provided with the mounting boss (20).
  9. 9. The fire extinguisher tank welding apparatus according to claim 1, wherein the positioning mechanism further comprises a reset assembly (33), the reset assembly (33) is provided with three groups, and comprises an arc rod (46), a fourth spring (47), a stop block (49) and a mounting block (48), one end of the arc rod (46) is provided with a limiting table (55), one side of the rotating seat (34) close to the base (24) is provided with a groove (54), the limiting table (55) is located in the mounting block (48), the mounting block (48) is fixed on the rotating seat (34) through bolts, a positioning groove (31) for mounting the stop block (49) is arranged on the base (24), the stop block (49) and the arc rod (46) are slidably arranged, the fourth spring (47) is sleeved on the arc rod (46), and two ends of the fourth spring (47) are respectively abutted against the stop block (49) and the mounting block (48).

Description

Welding device for fire extinguisher tank Technical Field The invention discloses a welding device for a fire extinguisher tank, and belongs to the technical field of fire-fighting equipment production. Background The production of the existing fire extinguisher tank is usually formed by welding three parts of a tank opening 1, a tank body 2 and a tank bottom 3, wherein the traditional welding process needs to be carried out in two steps, namely, firstly, the tank body 2 and the tank opening 1 (or the tank bottom 3) are welded, namely, the position of an arrow A in the figure 1, and then the other part is welded, namely, the position of an arrow B in the figure 1; secondly, positioning errors are easily generated during two times of clamping, so that the axes of the tank opening 1, the tank body 2 and the tank bottom 3 are offset (misplaced), and uniformity of welding joints and appearance quality of products are affected. Disclosure of Invention The invention aims to solve the problems in the prior art and provides a welding device for a fire extinguisher tank. The invention realizes the aim through the following technical scheme, and the welding device for the fire extinguisher tank comprises: The positioning mechanism comprises a driving seat, a transmission assembly and three positioning rods, wherein the driving seat is provided with two driving seats, the driving seat comprises a base, a rotating seat and a fixed seat, the fixed seat is fixedly connected with the base through bolts, the rotating seat is rotationally arranged in the base, three sliding seats which are distributed at equal angles are slidingly arranged on the fixed seat along the central direction of the fixed seat, two ends of each positioning rod are respectively arranged in the two sliding seats, a through groove for avoiding the positioning rods is arranged on the fixed seat, a first protruding rod is arranged on each sliding seat, an arc-shaped groove matched with the first protruding rod is arranged on each rotating seat, the distances from two ends of each arc-shaped groove to the center of each rotating seat are unequal, and the transmission assembly is arranged at the center of the base and the center of each rotating seat. The clamping mechanism is provided with two groups and comprises an air cylinder and a clamping rod, one end of the clamping rod is rotatably arranged with a piston of the air cylinder, and the other end of the clamping rod penetrates through the transmission assembly and the driving seat; The power assembly is used for driving the transmission assembly or the clamping rod to rotate so as to drive the rotating seat to rotate when the transmission assembly rotates or drive the fire extinguisher tank to rotate when the clamping rod rotates; The welding mechanism comprises a fixed rod and two welding assemblies, and the two welding assemblies are arranged on the fixed rod in a sliding manner; the rack is used for installing a positioning mechanism, a clamping mechanism, a power assembly and a welding mechanism. Preferably, the fixing base is provided with a first chute, the sliding seat is arranged in the first chute in a sliding manner, the sliding seat is further provided with a damping piece, the damping piece comprises a first limit bolt, a first spring and a limit sleeve, two ends of the positioning rod are provided with positioning tables with non-circular cross sections, the sliding seat is provided with a second chute for the positioning tables to slide, one end of the first limit bolt passes through the sliding seat and the limit sleeve and then is fixedly connected with the positioning tables, the first spring is sleeved on the outer side of the first limit bolt, and two ends of the first spring are respectively abutted against the sliding seat and the limit sleeve. Preferably, the power component comprises a motor, a transmission rod, a belt pulley group and a fixed block, wherein the belt pulley group is provided with two groups and comprises a driving belt pulley, a driven belt pulley and a belt, an installation cavity is formed in the frame, the fixed block is fixed on the side wall of the installation cavity, the driving belt pulley is fixed on the transmission rod, an output shaft of the motor is fixedly connected with one end of the transmission rod, the driven belt pulley is rotatably arranged on the fixed block, the belt is sleeved on the outer sides of the driving belt pulley and the driven belt pulley, and the transmission component and the clamping rod are respectively matched with two sides of the driven belt pulley for transmission. Preferably, the transmission assembly comprises a first movable part, a second movable part and a second spring, wherein the first movable part passes through the rotating seat and the base and is fixedly connected with the second movable part through bolts, the first movable part is of a stepped shaft structure, a plurality of second convex rods are arranged