Electric welding mechanism for two-petal arc-shaped piece

Abstract

The electric welding mechanism comprises a lathe bed part and a welding gun part, the lathe bed part is provided with a support, the support is provided with a guide plate, the welding gun part is movably matched with the guide plate, and the guide plate is provided with a lead screw mechanism for driving the welding gun part to move transversely. A positioning tool for positioning two arc-shaped pieces is installed on the lathe bed part, the welding gun part comprises a welding gun adjusting assembly, and the welding gun adjusting assembly can adjust the position of a welding gun and at least can adjust the height of the welding gun. A welding gun of the welding gun part is provided with a distance sensor in a matched mode, the distance sensor and the welding gun are both installed on a welding gun fixing module, and a displayer capable of displaying data obtained by the distance sensor is installed on the support. According to the design, the product can be welded under the condition that the distance between the welding gun and the product is kept at a constant value, and the product welding efficiency and quality can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of welding, in particular to welding equipment. BACKGROUND

[0002] The metal cylindrical part is welded by left and right two arc-shaped parts. When welding, the left and right two arc-shaped parts need to be spliced together, and the left and right two arc-shaped parts are positioned, and the welding gun is used for welding the splicing joint. When welding, the welding gun is axially displaced relative to the metal cylindrical part, and a long strip-shaped weld is formed on the metal cylindrical part. The distance between the welding gun and the product has an important influence on the welding quality. Workers cannot always keep accurate distance between the welding gun and the product by experience. SUMMARY

[0003] The utility model solves the technical problem that workers cannot always keep accurate distance between the welding gun and the product by experience.

[0004] To solve the above technical problem, the utility model provides the following technical scheme: two arc-shaped part electric welding mechanism, including bed body part and welding gun part, the bed body part is equipped with support, is equipped with guide plate on the support, the welding gun part is movably matched on the guide plate, is equipped with lead screw mechanism on the guide plate and drives the transverse displacement of welding gun part;The positioning tool for positioning the two arc-shaped parts is installed on the bed body part, and the welding gun part comprises a welding gun adjusting assembly, the welding gun adjusting assembly can adjust the position of the welding gun, and at least the height of the welding gun can be adjusted;The welding gun of the welding gun part is matched with a distance sensor, and the distance sensor and the welding gun are installed on the welding gun fixing module, and the display capable of displaying the data obtained by the distance sensor is installed on the support.

[0005] According to the above technical scheme, the two arc-shaped parts are spliced into a cylindrical part and positioned on the positioning tool. The distance sensor detects the distance between the product and the product and feeds back the data to the main control unit, and the main control unit displays the data on the display in a symbol recognizable by the worker. The worker judges whether the distance between the welding gun and the product is appropriate according to the data displayed on the display. If it is not appropriate, the worker adjusts the welding gun adjusting assembly to make the welding gun reach the appropriate height, so that the distance between the welding gun and the product reaches the appropriate value. Then, under the driving of the lead screw mechanism, the welding gun makes transverse displacement and welds the splicing joint of the two arc-shaped parts.

[0006] The welding gun part comprises a transverse plate, the transverse plate is provided with a sliding block, the guide plate is provided with a sliding rail, and the sliding block is matched with the sliding rail;The transverse plate is provided with a first lead screw nut part, the first lead screw nut part is matched with the first lead screw of the lead screw mechanism, and the motor driving the first lead screw is installed at one end of the guide plate.

[0007] The welding gun adjusting assembly comprises a vertical screw rod adjusting module, a horizontal screw rod adjusting module, a vertical air cylinder, a clamp, the vertical screw rod adjusting module and the horizontal screw rod adjusting module share a second screw rod nut, the vertical screw rod adjusting module is provided with a first knob for driving the screw rod, and the horizontal screw rod adjusting module is provided with a second knob for driving the screw rod; the vertical air cylinder is installed on the vertical screw rod adjusting module, the right clamping block of the clamp is fixedly connected with the movable part of the vertical air cylinder, and the left clamping block of the clamp is connected with the right clamping block through a first locking bolt; the welding gun fixing module is provided with a rotating shaft, and the clamp clamps the rotating shaft.

[0008] The horizontal screw rod adjusting module is fixedly connected with the transverse moving plate block, and the welding gun adjusting assembly is fixed on the transverse moving plate block.

[0009] The welding gun fixing module is provided with a sleeve part, the welding gun is inserted into the sleeve part, the sleeve part is provided with a second locking bolt, and the second locking bolt is in abutment with the side wall of the welding gun.

[0010] The positioning tool comprises a positioning tool bottom plate installed on the bed body part, a left side V-shaped positioning part and a right side V-shaped positioning part fixed on the positioning tool bottom plate, and a product end limiting plate arranged beside the right side V-shaped positioning part.

[0011] The right side V-shaped positioning part is provided with a quick clamp mounting table beside it, and the quick clamp mounting table is provided with a quick clamp.

[0012] The welding gun adjusting assembly can keep the distance between the welding gun and the product constant, so that the product can be welded, and the efficiency and quality of product welding are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model makes further explanation in connection with the following chart:

[0014] Figure 1 Fig. 2 is a schematic view of a two-arc welding mechanism;

[0015] Figure 2 Fig. 3 is a left view of the welding mechanism of Fig. 2; Figure 1 Fig. 4 is a top view of a positioning tool 40 of the welding mechanism of Fig. 2;

[0016] Figure 3 Fig. 5 is a right view of the positioning tool of Fig. 4; Figure 2 Fig. 6 is a left view of the positioning tool of Fig. 4;

[0017] Figure 4 Fig. 7 is a schematic view of a welding gun part 20 of the welding mechanism of Fig. 2; Fig. 8 is a left view of the welding gun part of Fig. 7;

[0018] Fig. 9 is a right view of the welding gun part of Fig. 7; Figure 5 Fig. 10 is a right view of the welding gun part of Fig. 7; Figure 4 Fig. 11 is a schematic view of a welding gun adjusting assembly 50 of the welding mechanism of Fig. 2; Fig. 12 is a left view of the welding gun adjusting assembly of Fig. 11;

[0019] Fig. 13 is a right view of the welding gun adjusting assembly of Fig. 11; Figure 6 Fig. 14 is a schematic view of the welding gun adjusting assembly of Fig. 11; Fig. 15 is a right view of the welding gun adjusting assembly of Fig. 11.

[0020] Fig. 16 is a right view of the welding gun adjusting assembly of Fig. 11. Figure 7 Fig. 17 is a right view of the welding gun adjusting assembly of Fig. 11. Figure 6 Fig. 18 is a right view of the welding gun adjusting assembly of Fig. 11. Fig. 19 is a right view of the welding gun adjusting assembly of Fig. 11.

[0021] Fig. 20 is a right view of the welding gun adjusting assembly of Fig. 11. Fig. 21 is a right view of the welding gun adjusting assembly of Fig. 11.

[0022] 10, bed part; 11, guide plate; 12, slide rail; 13, display; 20, welding gun part; 21, welding gun; 22, distance sensor; 23, welding gun fixing module; 231, rotating shaft; 232, sleeve piece; 233, second locking bolt; 24, transverse moving plate; 241, sliding block; 242, first screw nut piece;

[0023] 30, screw rod mechanism; 31, motor; 40, positioning tool; 41, positioning tool bottom plate; 42, left V-shaped positioning piece; 43, right V-shaped positioning piece; 44, product end limiting plate; 45, quick clamp;

[0024] 50, welding gun adjusting assembly; 51, vertical screw rod adjusting module; 511, second screw nut piece; 512, first knob; 52, horizontal screw rod adjusting module; 521, screw rod of horizontal screw rod adjusting module; 522, second knob; 53, vertical cylinder; 54, right clamping block; 55, left clamping block; 56, first locking bolt. DETAILED DESCRIPTION

[0025] As

[0026] ,

[0027] As Figure 1 , Figure 4The two-arc-shaped-piece electric welding mechanism comprises a bed body part 10 and a welding gun part 20, the bed body part is provided with a support, the support is provided with a guide plate 11, the welding gun part is movably matched with the guide plate, the guide plate is provided with a lead screw mechanism 30 for driving the transverse displacement of the welding gun part; the bed body part is provided with a positioning tool 40 for positioning the two-arc-shaped-piece, the welding gun part comprises a welding gun adjusting assembly 50, the welding gun adjusting assembly can adjust the position of the welding gun 21, and at least the height of the welding gun; the welding gun part is provided with a distance sensor 22 matched with the welding gun, the distance sensor and the welding gun are both mounted on a welding gun fixing module 23, and the support is provided with a display for displaying the data acquired by the distance sensor.

[0028] In combination Figure 1 , Figure 4 , Figure 5 The welding gun part 20 comprises a transverse moving plate 24, the transverse moving plate is provided with a sliding block 241, the guide plate 11 is provided with a sliding rail 12, and the sliding block is matched with the sliding rail; the transverse moving plate is provided with a first lead screw nut part 242, the first lead screw nut part is matched with a first lead screw of the lead screw mechanism 30, and a motor 31 for driving the first lead screw is mounted at one end of the guide plate.

[0029] In combination Figure 6 , Figure 7 The welding gun adjusting assembly 50 comprises a vertical lead screw adjusting module 51, a horizontal lead screw adjusting module 52, a vertical air cylinder 53 and a clamp, the vertical lead screw adjusting module and the horizontal lead screw adjusting module share a second lead screw nut part 511, the vertical lead screw adjusting module is provided with a first knob 512 for driving the lead screw, the horizontal lead screw adjusting module is provided with a second knob 522 for driving the lead screw; the vertical air cylinder is mounted on the vertical lead screw adjusting module, a right clamping block 54 of the clamp is fixedly connected with a movable part of the vertical air cylinder, and a left clamping block 55 of the clamp is connected with the right clamping block through a first locking bolt 56; the welding gun fixing module 23 is provided with a rotating shaft 231, and the clamp clamps the rotating shaft.

[0030] The welding gun fixing module 23 is provided with a sleeve part 232, the welding gun 21 is inserted into the sleeve part, the sleeve part is provided with a second locking bolt 233, and the second locking bolt is abutted with the side wall of the welding gun.

[0031] In combination Figures 1 to 3 The positioning tool 40 comprises a positioning tool bottom plate 41 mounted on the bed body part 10, a left side V-shaped positioning part 42 and a right side V-shaped positioning part 43 fixed on the positioning tool bottom plate, and a product end limiting plate 44 is arranged at the side of the right side V-shaped positioning part.

[0032] The side of the right side V-shaped positioning part 43 is provided with a quick clamp mounting table, and the quick clamp mounting table is provided with a quick clamp 45.

[0033] Two arc-shaped pieces are spliced into a cylindrical piece and positioned on the positioning tool 40. The distance sensor 22 detects the distance between it and the product and feeds back data to the main control unit, which displays the data in a symbol recognizable by the worker on the display 13. The worker determines whether the distance between the welding gun 21 and the product is appropriate according to the data displayed on the display. If not, the worker adjusts the welding gun adjusting assembly 50 so that the welding gun reaches the appropriate height, and thus the distance between the welding gun 21 and the product reaches the appropriate value. Then, under the drive of the lead screw mechanism 30, the welding gun makes a transverse displacement to weld the splicing seam of the two arc-shaped pieces.

[0034] The working principle of the welding gun adjusting assembly 50 is described as follows. The worker adjusts the second knob 522 to drive the lead screw 521 of the horizontal lead screw adjusting module 52 to adjust the front and back positions of the welding gun. The worker adjusts the first knob 512 to drive the lead screw of the vertical lead screw adjusting module 51 to adjust the height of the welding gun. The worker loosens the first locking bolt 56 to loosen the rotating shaft 231 of the clamp, and can swing the welding gun 21 forward and backward to adjust the angle of the welding gun. After the adjustment is completed, the first locking bolt is tightened. After the welding gun adjusting assembly 50 completes the position adjustment of the welding gun 21, the vertical cylinder 53 is extended to drive the welding gun 21 to descend to weld the product. The vertical cylinder is reset, the welding gun is raised to reset, and the welding is stopped.

[0035] The above is only a preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, the specific embodiment and application range can be changed, and the content of the specification should not be understood as a limitation of the present application.

Claims

1. A welding mechanism for two-lobed arc-shaped parts, comprising a bed (10) and a welding torch (20), wherein the bed is provided with a support, a guide plate (11) is provided on the support, the welding torch is movably fitted on the guide plate, and a screw mechanism (30) for driving the welding torch to move laterally is provided on the guide plate; a positioning fixture (40) for positioning two-lobed arc-shaped parts is installed on the bed, characterized in that: The welding gun part comprises a welding gun adjusting assembly (50) capable of adjusting the position of the welding gun (21), at least the height of the welding gun; the welding gun of the welding gun part is matched with a distance sensor (22), and the welding gun and the distance sensor are both installed on a welding gun fixing module (23); a display (13) capable of displaying the data acquired by the distance sensor is installed on the support; The welding gun part (20) comprises a transverse moving plate (24) provided with a sliding block (241), a guide plate (11) provided with a sliding rail (12), and the sliding block and the sliding rail are matched; the transverse moving plate is provided with a first screw nut part (242) matched with a first screw rod of a screw rod mechanism (30), and a motor (31) driving the first screw rod is installed at one end of the guide plate; The welding gun adjusting assembly (50) comprises a vertical screw rod adjusting module (51), a horizontal screw rod adjusting module (52), a vertical air cylinder (53), and a clamp; the vertical screw rod adjusting module and the horizontal screw rod adjusting module share a second screw nut part (511); the vertical screw rod adjusting module is provided with a first knob (512) driving a screw rod, and the horizontal screw rod adjusting module is provided with a second knob (522) driving a screw rod; the vertical air cylinder is installed on the vertical screw rod adjusting module, a right clamping block (54) of the clamp is fixedly connected with a movable part of the vertical air cylinder, and a left clamping block (55) of the clamp is connected with the right clamping block through a first locking bolt (56); the welding gun fixing module (23) is provided with a rotating shaft (231), and the clamp clamps the rotating shaft.

2. The two-ply arc-shaped member welding mechanism according to claim 1, wherein: The welding gun fixing module (23) is provided with a sleeve part (232), the welding gun (21) is inserted into the sleeve part, and a second locking bolt (233) is installed on the sleeve part and abuts against a side wall of the welding gun.

3. The two-ply arc-shaped member welding mechanism according to claim 1, wherein: The positioning tool (40) comprises a positioning tool bottom plate (41) installed on the bed body part (10), a left V-shaped positioning part (42) and a right V-shaped positioning part (43) fixed on the positioning tool bottom plate, and a product end limiting plate (44) is arranged beside the right V-shaped positioning part.

4. The two-piecer arc welding mechanism according to claim 3, wherein: A quick clamp mounting table is arranged beside the right V-shaped positioning part (43), and a quick clamp (45) is arranged on the quick clamp mounting table.

Images