Adjustable welding machine auxiliary spraying device

Abstract

The utility model discloses an adjustable auxiliary spraying device for a welding machine, which belongs to the field of welding machines and comprises a base, stand columns are arranged at four corners of the bottom end of the base, a mechanical arm is arranged at the top end of the base, a welding gun is arranged at the end of the mechanical arm, and two symmetrically distributed cylinders are fixedly mounted at the top end of the base. A clamping assembly is arranged between the two air cylinders. A supporting rod is rotationally installed in the base, the side walls of the two ends of the supporting rod are fixedly sleeved with a first installation block and a second installation block respectively, and an arc-shaped frame is fixedly installed between the top of the first installation block and the top of the second installation block. Through the arrangement of the rotating assembly, the effect of adjusting the spraying angle of the nozzle is achieved, the traction assembly drives the supporting block to drive the nozzle to move below the arc-shaped frame, the effect of adjusting the position of the nozzle is achieved, and through the cooperation of the rotating assembly and the traction assembly, the nozzle can be conveniently located at different positions for spraying; and the spraying effect of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the field of welding machines, and more particularly to an adjustable auxiliary spray device for welding machines. Background Art

[0002] A welding machine is an electrical appliance that provides a power source with certain characteristics for welding. Welding is widely used in various industrial fields, such as aerospace, shipbuilding, automobiles, containers, etc., due to its flexibility, simplicity, convenience, firmness, reliability, and the fact that the welded material can even have the same strength as the parent material. Some welders require a spray device to spray flux when welding objects. The flux is sprayed on the weld surface through the spray device to clean, protect, promote welding, and beautify the weld appearance, thereby improving the quality and efficiency of welding.

[0003] Patent application number 202220940340.2 discloses a selective spray device for a wave soldering machine, comprising a base plate, a branch pipe, a support rod, an adjustment bolt, a protective tube, a tight plate, a locking screw, a sealing plug, a fastening pipe, a fastening frame, an adjustment pipe, a nozzle, a detachable protective wave soldering structure, a rotary clamping protective clamping frame structure, and a lifting and rotating adjustment support frame structure. The branch pipe is bolted to the middle position of the upper surface of the base plate; the support rod is longitudinally inserted into the upper part of the inner side of the branch pipe; the adjustment bolt is threadedly connected to the connection between the branch pipe and the support rod; and the protective tube is bolted to the upper part of the support rod. The arrangement of the drag-and-drop plate, bracket, fastening plate, wave soldering body, fastening sleeve, delivery pipe, and welding head in this utility model facilitates the fixation of the wave soldering device; the arrangement of the protective frame, support plate, connecting rod, gripping rod, blocking block, protective shell, and clamping plate facilitates the clamping of the workpiece.

[0004] Regarding the above-mentioned related technologies, the arrangement of mounting tubes, mounting rods, locking bolts, support plates, pillars, top plates and mounting bolts is helpful in increasing the stability of the spray device. However, the angle position of the nozzle in the device cannot be adjusted, which makes it inconvenient to spray at multiple angles and reduces the spray range of the gas. Utility Model Content

[0005] In order to solve the above problems, the utility model provides an adjustable welding machine auxiliary spray device, which adopts the following technical solutions:

[0006] An adjustable welding machine auxiliary spray device comprises a base, pillars are provided at the four corners of the bottom end of the base, a mechanical arm is provided at the top end of the base, a welding gun is provided at the end of the mechanical arm, two symmetrically distributed cylinders are fixedly mounted on the top end of the base, and a clamping assembly is provided between the two cylinders;

[0007] The cam is fixedly mounted on the base, and the side walls at both ends of the cam are respectively provided with a first mounting block and a second mounting block, and an arc frame is fixedly mounted between the tops of the first mounting block and the second mounting block, and an arc frame is fixedly mounted on the arc frame, and the side walls of the arc rod are slidingly sleeved with a support block, and the bottom end of the support block slides through the arc frame and is provided with a spray assembly, and a mounting plate is fixedly mounted on the side of the base close to the first mounting block, and a mounting box is provided on the top of the mounting plate, and the support rod is away from the second mounting block and penetrates into the mounting box, and the support rod penetrates the side wall of one end of the mounting box and is provided with a rotating assembly;

[0008] A cavity is provided in the arc-shaped rod, a support plate is fixedly mounted on the side of the base away from the mounting plate, a mounting frame is fixedly mounted on the top of the support plate, and a pulling assembly is provided between the mounting frame and the support block.

[0009] By adopting the above technical solution, when the equipment is used, the staff places the object between the two cylinders, and then the two cylinders and the clamping assembly cooperate to clamp and fix the object. When the object is clamped and fixed, the robotic arm can drive the welding gun to move, and the object is welded by the welding gun, and flux can be sprayed by the spray assembly, which is beneficial to improve the welding effect of the equipment on the object, and the support rod can be driven by the rotating assembly to rotate with the arc frame and the spray assembly to adjust the spraying angle of the spray assembly, and the support block can be driven by the pulling assembly to move with the spray assembly to adjust the position of the spray assembly. Through the cooperation of the rotating assembly and the pulling assembly, the equipment is convenient for spraying objects at different positions, which is beneficial to improve the spraying effect of the equipment.

[0010] Furthermore, the clamping assembly includes a clamping plate fixedly mounted on the ends of the two cylinder piston shafts, two symmetrically distributed support plates are fixedly mounted on opposite sides of the two clamping plates, a first telescopic rod is fixedly mounted on opposite sides of the two support plates on the same side, and a positioning plate is fixedly mounted on the ends of the two first telescopic rods on the same side.

[0011] By adopting the above technical solution, the staff places the object between the two cylinders, and then drives the same-side splint and positioning plate to move through the cylinder. The splint can play the role of positioning and fixing the object. The first telescopic rod drives the same group of positioning plates to move. Through the cooperation of the two positioning plates on the same side, it plays the role of positioning and clamping the object, so as to achieve the effect of correcting the position of the object on the base, which is conducive to maintaining the precise docking of the objects and facilitating the subsequent welding of the equipment.

[0012] Furthermore, the spray assembly includes a second telescopic rod fixedly mounted on the bottom end of the support block, a support block fixedly mounted on the end of the second telescopic rod, a nozzle provided at the bottom end of the support block, the top end of the nozzle passes through the support block, a fixing ring is fixedly mounted on the side of the arc frame close to the robotic arm, a connecting pipe is provided in the fixing ring, and a telescopic hose is provided between the bottom end of the connecting pipe and the top end of the nozzle.

[0013] By adopting the above technical solution, the connecting pipe is connected to the existing liquid pumping structure, and the flux is introduced into the connecting pipe through the liquid pumping structure. The flux enters the nozzle through the telescopic hose, and then the flux is sprayed through the nozzle to the welding point of the object, which is conducive to maintaining the welding effect of the equipment. The second telescopic rod can be used to drive the support block to rise and fall synchronously with the nozzle, which can play a role in adjusting the position of the nozzle, making it convenient for the equipment to accurately spray the flux.

[0014] Furthermore, the rotating assembly includes a turbine fixedly mounted on the side wall of a support rod passing through the side wall of one end of the mounting box, a worm gear is rotatably mounted in the mounting box, the worm gear and the turbine are engaged, a fixed sleeve on the side wall of the lower section of the worm gear is provided with a driven gear, a second reduction motor is fixedly mounted on the inner wall of the bottom end of the mounting box, a fixed sleeve on the side wall of the output shaft of the second reduction motor is provided with a driving gear, and the driving gear and the driven gear are engaged.

[0015] By adopting the above technical solution, the second reduction motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the worm rod to rotate, the worm rod drives the turbine to rotate, the turbine drives the support rod to rotate, and the support rod drives the first mounting block, the second mounting block and the arc frame to rotate synchronously, which can adjust the nozzle angle, making it convenient for the nozzle to be located in different positions for spraying flux, and grooves are provided on both sides of the base to facilitate the rotation of the arc frame.

[0016] The top of the supporting plate is provided with a spring, and the side wall of the supporting plate is fixedly connected to the first reduction motor, and the supporting plate is connected with the first reduction motor to the support plate.

[0017] By adopting the above technical solution, the rotating rod is driven to rotate by the first reduction motor, and the steel cable is wound when the rotating rod rotates. The steel cable pulls the movable column to slide in the cavity opened in the arc rod, and the movable column slides on the arc rod with the support block through the connecting block, and the support block moves synchronously with the nozzle, which can play a role in adjusting the nozzle position, so that the nozzle is located at different positions for spraying flux, and when the movable column slides in the cavity, the spring arranged between the movable column and the cavity can play a role in pulling the movable column, which is conducive to maintaining the stability of the movable column when it stops. When the nozzle position adjustment is completed, the rotating rod is fixed by the locking assembly, thereby playing a role in positioning and fixing the support block.

[0018] Furthermore, a limit block is fixedly installed on the side wall of the movable column, the limit block and the connecting block are symmetrically distributed on the side wall of the movable column, and a limit groove matching the limit block is opened on the inner wall of the cavity.

[0019] By adopting the above technical solution, when the moving column slides in the cavity, the moving column slides with the limiting block in the limiting groove opened on the inner wall of the cavity. The cooperation between the limiting block and the limiting groove is conducive to maintaining the sliding stability of the moving column.

[0020] Furthermore, the locking assembly includes a positioning gear fixedly sleeved on the side wall of the rotating rod, a vertical plate fixedly installed on the side of the support plate away from the base, a third telescopic rod fixedly installed on the side of the vertical plate close to the base, an arc plate fixedly installed on the end of the third telescopic rod, a rubber pad fixedly installed on the inner side of the arc plate, a balance rod fixedly installed on the bottom end of the arc plate, and a movable groove matching the bottom end of the balance rod is opened on the top of the support plate.

[0021] By adopting the above technical solution, when the nozzle position adjustment is completed, the arc plate and the rubber pad are driven by the third telescopic rod to move synchronously toward the rotating rod, so that the rubber pad contacts the positioning gear installed on the side wall of the rotating rod. Subsequently, the rubber pad contacts the positioning gear and deforms under the driving force of the third telescopic rod, so that the rubber pad engages with the positioning gear, which can fix the rotating rod and then fix the support block.

[0022] In summary, the present invention has the following beneficial technical effects:

[0023] (1) In the present invention, the setting of the rotating component plays a role in adjusting the spray angle of the nozzle, and the pulling component drives the support block to move the nozzle under the arc frame to play a role in adjusting the position of the nozzle. The cooperation of the rotating component and the pulling component facilitates the nozzle to be located at different positions for spraying, which is beneficial to improving the spray effect of the equipment.

[0024] (2) In the present invention, the side wall of the rotating rod plays the role of positioning and fixing the rotating rod through the setting of the locking assembly, and the movable column is conducive to maintaining the stability of the support block under the pulling force of the spring, which facilitates the subsequent stable use of the nozzle.

[0025] (3) In the present invention, by setting up the clamping assembly, the cylinder drives the same-side clamping plate and the positioning plate to move, and the clamping plate can play the role of positioning and fixing the object. Through the cooperation of the first telescopic rod and the positioning plate, it plays the role of positioning and clamping the object, which is conducive to maintaining the precise docking of the objects and facilitating the subsequent welding of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic structural diagram of the utility model from a first perspective;

[0027] Figure 2 For this utility model Figure 1 A magnified view of middle A;

[0028] Figure 3 This is a schematic structural diagram of the second viewing angle of the present invention;

[0029] Figure 4 For this utility model Figure 3 Enlarged view of middle B;

[0030] Figure 5 It is a cross-sectional view of the utility model;

[0031] Figure 6 For this utility model Figure 5 Enlarged view of middle C;

[0032] Figure 7 For this utility model Figure 5 Enlarged view of middle D;

[0033] Figure 8 This is a diagram showing the internal structure of the arc frame in the present invention;

[0034] Figure 9 For this utility model Figure 8 Enlarged view of E in the middle;

[0035] Figure 10 This is a display diagram of the clamping assembly in the present utility model.

[0036] Description of the numbers in the figure:

[0037] 1. Base; 2. Robotic arm; 3. Welding gun; 4. Telescopic hose; 5. Fixing ring; 6. Arc frame; 7. Cylinder; 8. Clamp; 9. Positioning plate; 10. First telescopic rod; 11. Support plate; 12. Column; 13. Mounting box; 14. Mounting plate; 15. Support block; 16. Nozzle; 17. Second telescopic rod; 18. Vertical plate; 19. Support plate; 20. Steel cable; 21. Mounting frame; 22. Rotating rod; 23. Positioning gear; 24. First reduction motor; 25. Third telescopic rod; 26. Arc plate; 27. Turbine rod; 28. Second reduction motor; 29. ​​Driving gear; 30. Driven gear; 31. Support rod; 32. Turbine; 33. First mounting block; 34. Cavity; 35. Spring; 36. Support block; 37. Arc rod; 38. Connecting block; 39. Moving column; 40. Second mounting block; 41. Through slot. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0039] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0040] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0041] The following is combined with Figure 1-10 The utility model is described in further detail.

[0042] See also Figure 1-10The top of the base 1 is provided with two symmetrically distributed cylinders 7, and a clamping assembly is provided between the two cylinders 7. The clamping assembly includes a clamping plate 8 fixedly installed on the ends of the piston shafts of the two cylinders 7. The opposite sides of the two clamping plates 8 are fixedly installed with two symmetrically distributed support plates 11. The opposite sides of the two support plates 11 on the same side are fixedly installed with a first telescopic rod 10. The ends of the two first telescopic rods 10 on the same side are fixedly installed with a positioning plate 9. When the equipment is used, the staff places the object between the two cylinders 7, and then drives the clamping plate 8 and the positioning plate 9 on the same side to move by the cylinder 7. The clamping plate 8 can play the role of positioning and fixing the object, and the positioning plate 9 of the same group is driven to move by the first telescopic rod 10. The cooperation of the two positioning plates 9 on the same side plays the role of positioning and clamping the object, so as to achieve the role of correcting the position of the object on the base 1, which is conducive to maintaining the accurate docking of the objects and facilitating the subsequent welding of the equipment.

[0043] A support rod 31 is rotatably installed in the base 1, and the side walls at both ends of the support rod 31 are respectively fixed with a first mounting block 33 and a second mounting block 40. An arc frame 6 is fixedly installed between the tops of the first mounting block 33 and the second mounting block 40. An arc frame 6 is fixedly installed in the arc frame 6. A arc rod 37 is fixedly installed in the arc frame 6. A support block 36 is slidingly sleeved on the side wall of the arc rod 37. The bottom end of the support block 36 slides through the arc frame 6 and is provided with a spray assembly. The spray assembly includes a second telescopic rod 17 fixedly mounted on the bottom end of the support block 36. A support block 15 is fixedly installed on the end of the second telescopic rod 17. A nozzle 16 is provided at the bottom end of the support block 15. The top of the nozzle 16 passes through the support block 15. The arc frame 6 is fixed near the side of the robotic arm 2. A fixing ring 5 is fixedly installed, and a connecting pipe is provided in the fixing ring 5. A telescopic hose 4 is provided between the bottom end of the connecting pipe and the top end of the nozzle 16. When the object is clamped and fixed, the robotic arm 2 can drive the welding gun 3 to move, and the object is welded by the welding gun 3. The connecting pipe is connected to the existing liquid pumping structure, and the flux is introduced into the connecting pipe through the liquid pumping structure. The flux enters the nozzle 16 through the telescopic hose 4, and then the flux is sprayed through the nozzle 16 to the welding point with the object, which is conducive to maintaining the welding effect of the equipment, and the support block 15 can be driven to rise and fall synchronously with the nozzle 16 through the second telescopic rod 17, which can adjust the position of the nozzle 16, making it convenient for the equipment to accurately spray the flux.

[0044] A mounting plate 14 is fixedly mounted on one side of the base 1 near the first mounting block 33, a mounting box 13 is provided on the top of the mounting plate 14, a support rod 31 extends into the mounting box 13 at one end away from the second mounting block 40, a rotating assembly is provided on the side wall of one end of the support rod 31 penetrating the mounting box 13, the rotating assembly includes a turbine 32 fixedly mounted on the side wall of the support rod 31 penetrating the side wall of one end of the mounting box 13, a worm rod 27 is rotatably mounted in the mounting box 13, the worm rod 27 is meshed with the worm rod 32, a driven gear 30 is fixedly mounted on the side wall of the lower section of the worm rod 27, a second reduction motor 28 is fixedly mounted on the inner wall of the bottom end of the mounting box 13, a driving gear 29 is fixedly mounted on the side wall of the output shaft of the second reduction motor 28, and the driving gear 29 is meshed with the driven gear 30.

[0045] The second reduction motor 28 drives the driving gear 29 to rotate, the driving gear 29 drives the driven gear 30 to rotate, the driven gear 30 drives the worm rod 27 to rotate, the worm rod 27 drives the turbine 32 to rotate, the turbine 32 drives the support rod 31 to rotate, and the support rod 31 rotates synchronously with the first mounting block 33, the second mounting block 40 and the arc frame 6, which can adjust the angle of the nozzle 16, so that the nozzle 16 can be located at different positions to spray flux, and grooves are provided on both sides of the base 1 to facilitate the rotation of the arc frame 6.

[0046] A cavity 34 is opened in the arc rod 37, and a support plate 19 is fixedly installed on the side of the base 1 away from the mounting plate 14. A mounting frame 21 is fixedly installed on the top of the support plate 19. A pulling component is provided between the mounting frame 21 and the support block 36. The pulling component includes a rotating rod 22 rotatably installed in the mounting frame 21. A steel cable 20 is arranged around the side wall of the rotating rod 22. A first reduction motor 24 is fixedly installed on the top of the support plate 19. The rotating rod 22 passes through the mounting frame 21 at one end close to the first reduction motor 24. The rotating rod 22 passes through the mounting frame 21 at one end and is connected to the first reduction motor 24. The output shaft end of the speed motor 24 is fixedly connected, a moving column 39 is slidably installed in the cavity 34, a connecting block 38 is fixedly installed on the side wall of the moving column 39, a through groove 41 matching the arc rod 37 is opened in the support block 36, the top of the support block 36 slides through the arc rod 37 and is fixedly connected to the inner wall of the through groove 41, one end of the steel cable 20 extends into the cavity 34 and is fixedly connected to the side opposite to the moving column 39, and a spring 35 is fixedly connected between the side of the moving column 39 away from the steel cable 20 and the inner wall of the cavity 34 close to the first mounting block 33.

[0047] The first reduction motor 24 drives the rotating rod 22 to rotate. When the rotating rod 22 rotates, the steel cable 20 is wound. The moving column 39 is pulled by the steel cable 20 to slide in the cavity 34 opened in the arc rod 37. The moving column 39 slides on the arc rod 37 with the support block 36 through the connecting block 38. The support block 36 moves synchronously with the nozzle 16, which can adjust the position of the nozzle 16, so that the nozzle 16 can be located at different positions for spraying flux. When the moving column 39 slides in the cavity 34, the moving column 39 and the cavity 34 are in a state of contact. The spring 35 arranged between them can play the role of pulling the moving column 39, which is beneficial to maintaining the stability of the moving column 39 when it stops. A limit block is fixedly installed on the side wall of the moving column 39. The limit block and the connecting block 38 are symmetrically distributed on the side wall of the moving column 39. A limit groove matching the limit block is provided on the inner wall of the cavity 34. When the moving column 39 slides in the cavity 34, the moving column 39 slides in the limit groove provided on the inner wall of the cavity 34 with the limit block. The cooperation of the limit block and the limit groove is beneficial to maintaining the sliding stability of the moving column 39.

[0048] The locking assembly includes a positioning gear 23 fixedly sleeved on the side wall of the rotating rod 22, and a vertical plate 18 is fixedly installed on the side of the supporting plate 19 away from the base 1. The vertical plate 18 is fixedly installed on the side close to the base 1. The end of the third telescopic rod 25 is fixedly installed with an arc plate 26, and a rubber pad is fixedly installed on the inner side of the arc plate 26. The bottom end of the arc plate 26 is fixedly installed with a balance bar. The top of the supporting plate 19 is provided with a movable groove matching the bottom end of the balance bar. When the position of the nozzle 16 is adjusted, the arc plate 26 and the rubber pad are synchronously moved toward the rotating rod 22 by the third telescopic rod 25, so that the rubber pad contacts the positioning gear 23 installed on the side wall of the rotating rod 22. Subsequently, the rubber pad contacts the positioning gear 23 under the driving force of the third telescopic rod 25 and is deformed, so that the rubber pad meshes with the positioning gear 23, which can fix the rotating rod 22 and then fix the support block 36.

[0049] The implementation principle of the embodiment of the present utility model is: when the equipment is used, the staff places the object between the two cylinders 7, and then the two cylinders 7 and the clamping assembly cooperate to clamp and fix the object. When the object is clamped and fixed, the robotic arm 2 can drive the welding gun 3 to move, and the welding gun 3 can be used to weld the object, and the flux can be sprayed through the spray assembly, which is beneficial to improving the welding effect of the equipment on the object, and the support rod 31 can be driven by the rotating assembly to rotate with the arc frame 6 and the spray assembly to adjust the spraying angle of the spray assembly, and the support block 36 can be driven by the pulling assembly to move with the spray assembly to adjust the position of the spray assembly. Through the cooperation of the rotating assembly and the pulling assembly, the equipment is convenient to spray objects at different positions, which is beneficial to improving the spraying effect of the equipment.

[0050] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. An adjustable welding machine auxiliary spray device, comprising a base (1), characterized in that: The four corners of the bottom of the base (1) are each provided with a column (12); the top of the base (1) is provided with a mechanical arm (2); the end of the mechanical arm (2) is provided with a welding gun (3); the top of the base (1) is fixedly mounted with two symmetrically distributed cylinders (7); a clamping assembly is provided between the two cylinders (7); A support rod (31) is rotatably mounted in the base (1), and the side walls at both ends of the support rod (31) are respectively fixedly sleeved with a first mounting block (33) and a second mounting block (40), and an arc frame (6) is fixedly mounted between the tops of the first mounting block (33) and the second mounting block (40), and an arc rod (37) is fixedly mounted in the arc frame (6), and a support block (36) is slidably sleeved on the side wall of the arc rod (37), and the bottom end of the support block (36) slides through the arc frame (6) and is provided with a spray assembly, and a mounting plate (14) is fixedly mounted on the side of the base (1) close to the first mounting block (33), and a mounting box (13) is provided at the top of the mounting plate (14), and the support rod (31) is away from the second mounting block (40) and penetrates into the mounting box (13), and a rotating assembly is provided on the side wall of one end of the support rod (31) penetrating the mounting box (13); A cavity (34) is provided in the arc-shaped rod (37), a support plate (19) is fixedly mounted on the side of the base (1) away from the mounting plate (14), a mounting frame (21) is fixedly mounted on the top of the support plate (19), and a pulling assembly is provided between the mounting frame (21) and the support block (36).

2. The adjustable welding machine auxiliary spray device according to claim 1, characterized in that: The clamping assembly comprises a clamping plate (8) fixedly mounted on the ends of the piston shafts of the two cylinders (7); two symmetrically distributed support plates (11) are fixedly mounted on opposite sides of the two clamping plates (8); a first telescopic rod (10) is fixedly mounted on opposite sides of the two support plates (11) on the same side; and a positioning plate (9) is fixedly mounted on the ends of the two first telescopic rods (10) on the same side.

3. The adjustable welding machine auxiliary spray device according to claim 1, characterized in that: The spray assembly comprises a second telescopic rod (17) fixedly mounted on the bottom end of the support block (36); a support block (15) is fixedly mounted on the end of the second telescopic rod (17); a nozzle (16) is provided at the bottom end of the support block (15); the top end of the nozzle (16) passes through the support block (15); a fixing ring (5) is fixedly mounted on the side of the arc frame (6) close to the robot arm (2); a connecting pipe is provided in the fixing ring (5); and a telescopic hose (4) is provided between the bottom end of the connecting pipe and the top end of the nozzle (16).

4. The adjustable welding machine auxiliary spray device according to claim 1, characterized in that: The rotating assembly comprises a turbine (32) fixedly mounted on a side wall of a support rod (31) penetrating a side wall of one end of a mounting box (13); a worm (27) is rotatably mounted in the mounting box (13); the worm (27) and the turbine (32) are meshed; a driven gear (30) is fixedly mounted on the side wall of the lower section of the worm (27); a second reduction motor (28) is fixedly mounted on the inner wall of the bottom end of the mounting box (13); a driving gear (29) is fixedly mounted on the side wall of the output shaft of the second reduction motor (28); and the driving gear (29) is meshed with the driven gear (30).

5. The adjustable welding machine auxiliary spray device according to claim 1, characterized in that: The pulling assembly includes a rotating rod (22) rotatably mounted in the mounting frame (21), a steel cable (20) is provided around the side wall of the rotating rod (22), a first reduction motor (24) is fixedly mounted on the top of the support plate (19), the rotating rod (22) passes through the mounting frame (21) at one end close to the first reduction motor (24), and the rotating rod (22) passes through the mounting frame (21) at one end and is fixedly connected to the output shaft end of the first reduction motor (24), a moving column (39) is slidably mounted in the cavity (34), and a connecting block (38) is fixedly mounted on the side wall of the moving column (39). ), a through slot (41) matching the arc rod (37) is provided in the support block (36), the top end of the support block (36) slides through the arc rod (37) and is fixedly connected to the inner wall of the through slot (41), one end of the steel cable (20) extends into the cavity (34) and is fixedly connected to the side opposite to the moving column (39), a spring (35) is fixedly connected between the side of the moving column (39) away from the steel cable (20) and the inner wall of the side of the cavity (34) close to the first mounting block (33), and the rotating rod (22) passes through the side wall of one end of the mounting frame (21) and is provided with a locking assembly.

6. The adjustable welding machine auxiliary spray device according to claim 5, characterized in that: A limit block is fixedly mounted on the side wall of the movable column (39); the limit block and the connecting block (38) are symmetrically distributed on the side wall of the movable column (39); and a limit groove matching the limit block is provided on the inner wall of the cavity (34).

7. The adjustable welding machine auxiliary spray device according to claim 5, characterized in that: The locking assembly includes a positioning gear (23) fixedly sleeved on the side wall of the rotating rod (22); a vertical plate (18) is fixedly installed on the side of the support plate (19) away from the base (1); a third telescopic rod (25) is fixedly installed on the side of the vertical plate (18) close to the base (1); an arc plate (26) is fixedly installed on the end of the third telescopic rod (25); a rubber pad is fixedly installed on the inner side of the arc plate (26); a balance rod is fixedly installed on the bottom end of the arc plate (26); and a moving groove matching the bottom end of the balance rod is opened on the top end of the support plate (19).

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