Plasma arc welding device for workbench

Abstract

The invention relates to the technical field of welding devices, in particular to a plasma arc welding device for a workbench, which comprises a workbench shell, a rotating shaft mounting groove is formed in the inner side surface of the workbench shell, a welding mechanism is arranged on the inner side surface of the workbench shell, and a clamping mechanism is arranged on the inner side surface of the workbench shell. A clamping mechanism is arranged on the inner side surface of the workbench shell, a turnover mechanism is arranged on the inner side surface of the clamping mechanism, a shifting mechanism is arranged on the inner side surface of the workbench shell, a control mechanism is arranged on the inner side surface of the workbench shell, and a transmission mechanism is arranged on the inner side surface of the workbench shell. According to the automatic welding device, automation and continuity of the welding process of the table legs of the workbench are achieved, the welding efficiency is greatly improved from clamping, overturning and welding to releasing and replacing of the table legs, manual operation is reduced through the automatic welding device, the labor intensity of welding workers is reduced, and meanwhile the safety of welding work is improved.

Claims

1. A plasma arc welding device for a workbench, comprising a workbench housing (1), characterized in that: The outer surface of the workbench shell (1) is provided with a through groove (11), the top surface of the workbench shell (1) is fixedly connected with a buffer groove (2), the inner surface of the workbench shell (1) is provided with a rotating shaft installation groove (3), the inner surface of the workbench shell (1) is provided with a welding mechanism (4), the inner surface of the workbench shell (1) is provided with a clamping mechanism (5), the inner surface of the clamping mechanism (5) is provided with a flipping mechanism (6), the inner surface of the workbench shell (1) is provided with a toggle mechanism (7), the inner surface of the workbench shell (1) is provided with a control mechanism (8), and the inner surface of the workbench shell (1) is provided with a transmission mechanism (9); The welding mechanism (4) comprises an inner fixing column (41), the inner fixing column (41) is fixedly connected to the inner surface of the workbench shell (1), the outer surface of the inner fixing column (41) is fixedly connected to a top slide groove (42), the outer surface of the inner fixing column (41) is fixedly connected to a bottom slide groove (43), the outer surface of the bottom slide groove (43) is provided with a toggle groove (431), the inner surface of the bottom slide groove (43) is slidably connected to a welding gun mounting seat (44), and the top surface of the welding gun mounting seat (44) is fixedly connected to a welding gun toggle column (45); The clamping mechanism (5) comprises a positive and negative threaded screw (51), the positive and negative threaded screw (51) is rotatably connected to the inner surface of the rotating shaft mounting groove (3), the outer surface of the positive and negative threaded screw (51) is threadedly connected to a driven movable seat (52), the inner surface of the driven movable seat (52) is hingedly connected to a push-pull rod (521), the other end of the push-pull rod (521) is hingedly connected to a traction seat (53), the top surface of the driven movable seat (52) is fixedly connected to a connected driven column (54), and the top surface of the driven column (54) is fixedly connected to an inner guide plate (541); The flip mechanism (6) comprises a rotating seat (61), the rotating seat (61) is rotatably connected to the inner surface of the driven movable seat (52), one end of the rotating seat (61) is fixedly connected to a clamping arm (611), the other end of the rotating seat (61) is fixedly connected to an inner rotating cylinder (62), the outer surface of the inner rotating cylinder (62) is provided with a cam groove (621), one end of the inner rotating cylinder (62) is sleeved with a rotating spring (63), the outer surface of the inner rotating cylinder (62) is sleeved with an outer driven cylinder (64), the inner surface of the outer driven cylinder (64) is fixedly connected to a contact ball protrusion (641), and the outer surface of the outer driven cylinder (64) is fixedly connected to a driven shift block (642); The toggle mechanism (7) comprises a driven mounting seat (71), the driven mounting seat (71) being fixedly connected to the outer surface of the traction seat (53), the inner surface of the driven mounting seat (71) being rotatably connected to a rotating column (711), the top surface of the rotating column (711) being fixedly connected to a toggle arm (72), the inner surface of the toggle arm (72) being provided with a toggle limit groove (721), the bottom surface of the driven mounting seat (71) being fixedly connected to a gear mounting seat (73), the bottom surface of the gear mounting seat (73) being rotatably connected to a driven grooved wheel (74), the bottom surface of the gear mounting seat (73) being rotatably connected to a driving dial (741), the bottom surface of the driving dial (741) being fixedly connected to a meshing gear (75), and the bottom surface of the meshing gear (75) being fixedly connected to an input shaft (76).

2. The plasma arc welding device for a workbench according to claim 1, characterized in that: The number of the internal fixing columns (41) is two, and the two internal fixing columns (41) are symmetrically distributed with the central axis of the workbench shell (1) as the symmetry axis, the welding gun toggle column (45) passes through the top slide groove (42), the welding gun toggle column (45) is slidably connected to the top surface of the bottom slide groove (43), and the welding gun toggle column (45) passes through the inner surface of the groove (11).

3. The plasma arc welding device for a workbench according to claim 1, characterized in that: The number of the driven movable seats (52) is two, and the two driven movable seats (52) are symmetrically distributed with the central axis of the forward and reverse threaded screw rod (51) as the symmetry axis. The number of the driven columns (54) and the inner guide plates (541) are both two, and the two driven columns (54) and the two inner guide plates (541) are symmetrically distributed with the central axis of the cache slot (2) as the symmetry axis. The inner guide plates (541) are slidably connected to the inner surface of the cache slot (2).

4. The plasma arc welding device for a workbench according to claim 1, characterized in that: The inner rotating cylinder (62) is slidably connected to the outer surface of the driven movable seat (52), the cam groove (621) is composed of a straight line segment and a spiral line segment, the two ends of the rotation spring (63) are rotatably connected to the inner rotating cylinder (62) and the outer driven cylinder (64), the inner rotating cylinder (62) penetrates to the outer surface of the outer driven cylinder (64), the contact ball protrusion (641) is slidably connected to the inner surface of the cam groove (621), the driven shift block (642) is slidably connected to the inner surface of the shift groove (431), and the driven shift block (642) is slidably connected to the outer surface of the welding gun mounting seat (44).

5. The plasma arc welding device for a workbench according to claim 1, characterized in that: The rotating column (711) is slidably connected to the inner surface of the through groove (11), the toggle limit groove (721) is slidably connected to the outer surface of the welding gun toggle column (45), the rotating column (711) is fixedly connected to the top surface of the driven groove wheel (74), the rotating column (711) passes through the driven mounting seat (71) and is rotatably connected to the inner wall thereof, the driven groove wheel (74) is meshed with the active dial (741), the number of the active dial (741) and the meshing gear (75) are both two, the two meshing gears (75) are meshed with each other, and the input shaft (76) is fixedly connected to one of the meshing gears (75).

6. The plasma arc welding device for a workbench according to claim 1, characterized in that: The control mechanism (8) comprises a toggle block (81), the toggle block (81) being fixedly connected to one end of the inner rotating cylinder (62), the outer surface of the toggle block (81) being slidably connected to a driven inclined block (811), the bottom surface of the driven inclined block (811) being fixedly connected to a driven linear block (82), the bottom surface of the driven linear block (82) being fixedly connected to a driven motor frame (821), the inner surface of the driven motor frame (821) being fixedly connected to a driving motor (83), the output end of the driving motor (83) being fixedly connected to a mounting shaft (831), the outer surface of the mounting shaft (831) being fixedly connected to an engagement sleeve (832), one end of the forward and reverse threaded lead screw (51) being fixedly connected to an output bevel gear (84), the output bevel gear (84 ) is meshed with an input bevel tooth (841), the outer surface of the input bevel tooth (841) is fixedly connected to a bevel tooth meshing block (842), one end of the driven motor frame (821) is fixedly connected to a motor spring (85), the outer surface of the driven motor frame (821) is fixedly connected to a fixed mounting column (86), the outer surface of the fixed mounting column (86) is slidably connected to a driven outer bracket (87), the outer surface of the fixed mounting column (86) is sleeved with a bracket spring (871), the other end of the bracket spring (871) is fixedly connected to a spring limiting plate (872), the outer surface of the driven outer bracket (87) is fixedly connected to a bottom support arm (88), and the outer surface of the driven outer bracket (87) is fixedly connected to a top support arm (881).

7. The plasma arc welding device for a workbench according to claim 6, characterized in that: The driven motor frame (821) is fixedly connected to the inner surface of the workbench housing (1); the number of the input bevel teeth (841) is two, and the two input bevel teeth (841) are symmetrically distributed with the central axis of the output bevel teeth (84) as the symmetry axis; the mounting shaft (831) passes through the input bevel teeth (841); the bevel gear engagement block (842) engages with the engagement sleeve (832); the input bevel teeth (841) are rotatably connected to the workbench housing (1); the fixed mounting column (86) passes through the bracket spring (871); the fixed mounting column (86) passes through the spring limit plate (872); the spring limit plate (872) is fixedly connected to the bottom surface of the workbench housing (1); the driven outer bracket (87) is capable of driving the driven motor frame (821) to slide; and the top support arm (881) is slidably connected to the bottom surface of the buffer slot (2).

8. The plasma arc welding device for a workbench according to claim 1, characterized in that: The transmission mechanism (9) comprises a fixed rotating shaft (91), the fixed rotating shaft (91) being rotatably connected to the inner surface of the workbench housing (1), the top surface of the fixed rotating shaft (91) being fixedly connected to a driven bevel gear (92), the top surface of the driven bevel gear (92) being meshed with a control bevel gear (921), the inner surface of the control bevel gear (921) being provided with a linkage groove (93), the outer surface of the linkage groove (93) being meshed with a bevel gear linkage block (931), the outer surface of the fixed rotating shaft (91) being fixedly connected to a transmission pulley (94), the outer surface of the transmission pulley (94) being sleeved with a transmission belt (941), the outer surface of the fixed rotating shaft (91) being rotatably connected to a pulley arm A (95), the other end of the pulley arm A (95) being hingedly connected to a pulley arm B (951).

9. The plasma arc welding device for a workbench according to claim 8, characterized in that: The driven bevel gear (92) is rotatably connected to the outer surface of the driven motor frame (821), the bevel gear linkage block (931) is fixedly connected to the outer surface of the mounting shaft (831), the driven bevel gear (92) is slidably connected to the mounting shaft (831), the number of the transmission pulleys (94) is four, and the four transmission pulleys (94) are respectively rotatably connected to the two ends of the pulley arm A (95) and the pulley arm B (951), the transmission belt (941) is respectively sleeved on the outer surfaces of the two transmission pulleys (94) on the pulley arm A (95) and the outer surfaces of the two transmission pulleys (94) on the pulley arm B (951), and the transmission pulley (94) on the pulley arm B (951) is fixedly connected to the input shaft (76).

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