Welding device for automobile part machining

Abstract

The welding device for automobile part machining comprises a machining table, a splicing mechanism used for splicing different types of automobile parts is arranged on the machining table, a supporting rod is fixed to the upper surface of the machining table, and a top plate is fixed to the other end of the supporting rod; and a welding mechanism for welding automobile parts is arranged on the top plate. According to the welding device for automobile part machining, through cooperation of a first motor, threaded blocks on the two sides can be driven to move in the opposite directions, so that mounting plates on the two sides are driven to move correspondingly, parts on the two sides are attached, and welding work is facilitated; through cooperation of a first motor and a second motor, a third gear and a fourth gear can be driven to rotate, so that an upper clamping plate and a lower clamping plate are driven to rotate in opposite directions to clamp parts, the parts with small contact surfaces are prevented from being inconveniently attached, and through cooperation of the second motor, the parts can be driven to turn over, so that double-sided welding is facilitated.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of automobile part machining, in particular to a welding device for automobile part machining. BACKGROUND

[0002] Automobile parts and supplies, as an important part of automobiles, are the basis for the development of the automobile industry. Under the background of economic globalization, with the new changes in the automobile industry, the world automobile parts and supplies industry also presents a new development trend.

[0003] For example, a new energy automobile part machining welding device is disclosed in Chinese Patent Publication No. (CN110883459B), which comprises a fixed machine table, the top of the fixed machine table is provided with two vertically arranged support side plates connected by bolts, the top of the two support side plates is provided with a horizontally arranged fixed top plate connected by bolts, one side of the two support side plates is provided with two vertically arranged sliding grooves, the two sliding grooves are slidably connected with two vertically arranged sliding blocks, one end of the two sliding blocks is connected with a vertically arranged moving plate by a bolt, one end of the moving plate is provided with a horizontally arranged sliding groove, the top and bottom inner walls of the sliding groove are slidably connected with a horizontally arranged moving block, one end of the moving block is provided with a horizontally arranged mounting hole, the circumferential inner wall of the mounting hole is sleeved with a horizontally arranged hydraulic cylinder, one end of the output shaft of the hydraulic cylinder is provided with a horizontally arranged rotating groove, the circumferential inner wall of the rotating groove is sleeved with a horizontally arranged rotating motor, the output shaft of the rotating motor is connected with a vertically arranged clamping fixed plate by a bolt, the bottom of the fixed top plate is connected with a vertically arranged electric push rod by a bolt, and the bottom of the electric push rod is connected with a vertically arranged welding gun by a bolt. The application solves the problem that the main welding process of the existing device still needs to be manually held by the operator during the plate welding process, and the automobile parts are relatively precise, and the welding process is dangerous for the operator.

[0004] However, the patent only clamps the parts from both sides, which is only suitable for welding parts with larger contact surfaces. When it comes to smaller plates, it is not convenient to clamp them, which makes the entire device unable to adapt to the welding of different types of parts. SUMMARY

[0005] In view of the deficiencies of the prior art, the application provides a welding device for automobile part machining, which has the advantages of adapting to the welding of different types of parts, and solves the problem that the patent only clamps the parts from both sides, which is only suitable for welding parts with larger contact surfaces. When it comes to smaller plates, it is not convenient to clamp them, which makes the entire device unable to adapt to the welding of different types of parts.

[0006] In order to achieve the above object, the present application provides the following technical scheme: a welding device for automobile parts processing, comprising a processing table, a splicing mechanism for splicing different types of automobile parts is arranged on the processing table, a support rod is fixed on the upper surface of the processing table, a top plate is fixed at the other end of the support rod, and a welding mechanism for welding automobile parts is arranged on the top plate; The splicing mechanism comprises a first motor fixed to the lower surface of the processing table, an output shaft of the first motor penetrates and extends to the inside of the processing table, and a first gear is fixed, a second gear is engaged on the outer side of the first gear, a connecting rod is fixed on the inner side of the second gear, a threaded rod is fixed on the left side of the connecting rod, the other end of the threaded rod is rotatably connected to the left inner wall of the processing table through a bearing, a threaded block is threadedly connected to the outer side of the threaded rod, the upper surface of the threaded block penetrates and extends to the upper side of the processing table, and a first electric push rod is fixed, an output shaft of the first electric push rod is fixed with a mounting plate, and a clamping assembly is arranged on the mounting plate.

[0007] Further, four supports are fixed to the lower surface of the processing table and are uniformly distributed at the four corners of the lower surface of the processing table.

[0008] Further, the number of support rods is four, and they are uniformly distributed on the upper surface of the processing table.

[0009] Further, the clamping assembly comprises a second motor fixed to the left side of the mounting plate, an output shaft of the second motor penetrates and extends to the right side of the mounting plate, and a rotating plate is fixed, a third motor is fixed to the right side of the rotating plate, a first rotating rod is fixed to the output shaft of the third motor, a third gear is fixed to the outer side of the first rotating rod, a fourth gear is engaged on the outer side of the third gear, a second rotating rod is fixed to the inner side of the fourth gear, and fixed blocks are fixed to both ends of the second rotating rod, the left sides of the two fixed blocks are fixed to the right side of the mounting plate, an upper clamping plate is fixed to the outer side of the first rotating rod, and a lower clamping plate is fixed to the outer side of the second rotating rod.

[0010] Further, the number of threaded rods and threaded blocks is two, and they are symmetrically distributed left and right around the central axis of the connecting rod.

[0011] Further, a limiting rod is fixed between the left and right inner walls of the processing table, and the outer side of the limiting rod is slidably connected to the inner side of the two threaded blocks.

[0012] Further, the left side of the left mounting plate is fixed with the second motor, and the left side of the right mounting plate is rotatably connected to the right rotating plate through a bearing.

[0013] Further, the welding mechanism comprises a double-shaft linear module fixed to the lower surface of the top plate, the bottom of the double-shaft linear module is fixed with a second electric push rod, the output shaft of the second electric push rod is fixed with a connecting block, the left side of the connecting block is fixed with a fourth motor, the output shaft of the fourth motor penetrates and extends to the right side of the connecting block and is fixed with a first fixed ring, the front surface of the first fixed ring is rotatably provided with a fastening bolt through a bearing, the other end of the fastening bolt penetrates and extends to the back side of the first fixed ring and is threadedly connected with a second fixed ring, and the welding gun is arranged between the first fixed ring and the second fixed ring.

[0014] Further, the back surface of the first fixed ring is fixed with a guide rod, the other end of the guide rod penetrates and extends to the back side of the second fixed ring and is fixed with a limiting block, and the guide rod is slidably connected with the second fixed ring.

[0015] Further, the opposite sides of the first fixed ring and the second fixed ring are both fixed with anti-skid pads.

[0016] Compared with the prior art, the technical scheme has the following beneficial effects: 1、The welding device for automobile part machining can drive the two sides of the threaded blocks to move in opposite directions through the cooperation of the first motor, thereby respectively driving the two sides of the mounting plates to move, making the two sides of the parts fit, so as to facilitate welding work, when the contact surface of the parts is small, the third gear and the fourth gear can be driven to rotate through the cooperation of the third motor, thereby driving the upper clamping plate and the lower clamping plate to rotate in opposite directions to clamp the parts, avoiding the inconvenience of fitting the parts with small contact surfaces, and the parts can be turned over through the cooperation of the second motor, thereby facilitating welding of both sides.

[0017] 2、The welding device for automobile part machining can facilitate the welding gun to reach any position in the range space through the cooperation of the double-shaft linear module and the second electric push rod, thereby being capable of welding parts of different shapes, the welding gun can be conveniently installed and disassembled through the cooperation of the fastening bolt, the first fixed ring can be driven to rotate through the cooperation of the third motor, thereby driving the fixed welding gun to rotate, so as to adjust the welding angle according to the welding position of the parts. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the application; Figure 2 It is a splicing mechanism schematic view of the application; Figure 3 It is a clamping assembly schematic view of the application; Figure 4 It is a welding mechanism schematic view of the application; Figure 5 Figure is a local schematic view of the welding mechanism of the present application.

[0019] In the figure: 1, processing table; 2, splicing mechanism; 201, first motor; 202, first gear; 203, second gear; 204, connecting rod; 205, threaded rod; 206, threaded block; 207, first electric push rod; 208, mounting plate; 209, second motor; 210, rotating plate; 211, third motor; 212, first rotating rod; 213, third gear; 214, fourth gear; 215, second rotating rod; 216, fixed block; 217, upper clamping plate; 218, lower clamping plate; 3, support rod; 4, top plate; 5, welding mechanism; 501, double-shaft linear module; 502, second electric push rod; 503, connecting block; 504, fourth motor; 505, first fixed ring; 506, fastening bolt; 507, second fixed ring; 508, welding gun; 6, bracket. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0021] By Figure 1 It is given that a welding device for automobile parts processing includes a processing table 1, the processing table 1 is provided with a splicing mechanism 2 for splicing different types of automobile parts, the upper surface of the processing table 1 is fixed with a support rod 3, the other end of the support rod 3 is fixed with a top plate 4, and the top plate 4 is provided with a welding mechanism 5 for welding automobile parts.

[0022] In the embodiment, the lower surface of the processing table 1 is fixed with four brackets 6, which are evenly distributed at the four corners of the lower surface of the processing table 1, and the number of support rods 3 is four, which are evenly distributed on the upper surface of the processing table 1.

[0023] It should be noted that the inside of the processing table 1 is a hollow structure.

[0024] Specifically, please refer to Figure 2, in order to facilitate the welding work of different types of spare parts, the splicing mechanism 2 includes a first motor 201, the first motor 201 is fixed with the lower surface of the machining table 1, the output shaft of the first motor 201 penetrates and extends to the inside of the machining table 1, and the first gear 202 is fixed, the outer side of the first gear 202 is engaged with the second gear 203, the inner side of the second gear 203 is fixed with the connecting rod 204, the left side of the connecting rod 204 is fixed with the threaded rod 205, the other end of the threaded rod 205 is rotatably connected with the left side inner wall of the machining table 1 through the bearing, the outer side of the threaded rod 205 is threadedly connected with the threaded block 206, the upper surface of the threaded block 206 penetrates and extends to the upper side of the machining table 1, and the first electric push rod 207 is fixed, the output shaft of the first electric push rod 207 is fixed with the mounting plate 208, and the mounting plate 208 is provided with a clamping assembly.

[0025] In the embodiment, the number of threaded rods 205 and threaded blocks 206 is two, and they are distributed symmetrically left and right around the central axis of the connecting rod 204. Limiting rods are fixed between the left and right inner walls of the machining table 1. The outer side of the limiting rod is slidably connected with the inner side of the two threaded blocks 206.

[0026] It should be noted that the upper surface of the machining table 1 is provided with two sliding openings, which are symmetrically distributed left and right around the central axis of the machining table 1. The widths of the two threaded blocks 206 are respectively located inside the two sliding openings, and the widths of the sliding openings are matched with the widths of the threaded blocks 206. The length of the sliding opening is less than the length of the threaded rod 205, so as to limit the movement track of the threaded block 206.

[0027] Specifically, please refer to Figure 3 In order to adapt to the small contact surface of spare parts, the clamping assembly includes a second motor 209, the second motor 209 is fixed with the left side of the mounting plate 208, the output shaft of the second motor 209 penetrates and extends to the right side of the mounting plate 208, and the rotating plate 210 is fixed, the right side of the rotating plate 210 is fixed with the third motor 211, the output shaft of the third motor 211 is fixed with the first rotating rod 212, the outer side of the first rotating rod 212 is fixed with the third gear 213, the outer side of the third gear 213 is engaged with the fourth gear 214, the inner side of the fourth gear 214 is fixed with the second rotating rod 215, both ends of the second rotating rod 215 are fixed with the fixed block 216, the left side of the two fixed blocks 216 is fixed with the right side of the mounting plate 208, the outer side of the first rotating rod 212 is fixed with the upper clamping plate 217, and the outer side of the second rotating rod 215 is fixed with the lower clamping plate 218.

[0028] In the embodiment, the left side of the left mounting plate 208 is fixed with the second motor 209, and the left side of the right mounting plate 208 is rotatably connected with the right rotating plate 210 through the bearing.

[0029] It should be noted that two limiting plates are fixed on each rotating plate 210, and are symmetrically distributed above and below the central axis of the rotating plate 210, and the two limiting plates correspond to the positions of the upper clamping plate 217 and the lower clamping plate 218 respectively.

[0030] Specifically, please refer to Figures 4-5 In order to improve the freedom degree of the welding position, the welding mechanism 5 comprises a double-shaft linear module 501, the double-shaft linear module 501 is fixed with the lower surface of the top plate 4, the bottom of the double-shaft linear module 501 is fixed with a second electric push rod 502, the output shaft of the second electric push rod 502 is fixed with a connecting block 503, the left side of the connecting block 503 is fixed with a fourth motor 504, the output shaft of the fourth motor 504 penetrates and extends to the right side of the connecting block 503, and is fixed with a first fixed ring 505, the front surface of the first fixed ring 505 is rotatably provided with a fastening bolt 506 through a bearing, the other end of the fastening bolt 506 penetrates and extends to the back side of the first fixed ring 505, and is threadedly connected with a second fixed ring 507, and the welding gun 508 is arranged between the first fixed ring 505 and the second fixed ring 507.

[0031] In the embodiment, the back surface of the first fixed ring 505 is fixed with a guide rod, the other end of the guide rod penetrates and extends to the back side of the second fixed ring 507, and is fixed with a limiting block, the guide rod is slidably connected between the first fixed ring 505 and the second fixed ring 507, and the anti-skid pads are fixed on the opposite sides of the first fixed ring 505 and the second fixed ring 507.

[0032] It should be noted that the front surface of the first fixed ring 505 is provided with a communication hole, the head of the fastening bolt 506 is rotatably connected with the front surface of the first fixed ring 505 through a bearing, the shank of the fastening bolt 506 is located in the communication hole, the inner diameter of the communication hole is smaller than the width of the head of the fastening bolt 506, the length of the guide rod is matched with the length of the shank of the fastening bolt 506, and the anti-skid pads can protect the outside of the welding gun 508 and increase the friction between the welding gun 508, thereby avoiding the welding gun 508 from falling off.

[0033] It should be noted that the models of the first motor 201 and the second motor 209 are both 180SG-M27015, the models of the third motor 211 and the fourth motor 504 are both MTD11A-180W, the model of the double-shaft linear module 501 is XYMPTG1250, the model of the first electric push rod 207 is NHM35, and the model of the second electric push rod 502 is EPC100.

[0034] The working principle of the above embodiment is as follows: (1) When welding a part with a large contact surface, turn on the first motor 201, the output shaft of the first motor 201 drives the first gear 202 to rotate, the first gear 202 drives the second gear 203 to rotate, the second gear 203 drives the connecting rod 204 to rotate, the connecting rod 204 drives the two side threaded rods 205 to rotate, so that the two side threaded blocks 206 move in opposite directions, the movement of the threaded blocks 206 drives the first electric push rod 207 and the mounting plate 208 to move, so that the upper clamp plate 217 and the lower clamp plate 218 are close, and the part is placed in the middle position, so that the part is clamped together by the upper clamp plate 217 and the lower clamp plate 218, at this time, turn on the double-shaft linear module 501 and the second electric push rod 502, the double-shaft linear module 501 and the second electric push rod 502 can move the welding gun 508 to any position in the range space, the fourth motor 504 can drive the first fixed ring 505 to rotate, thereby driving the welding gun 508 to rotate, so as to adjust the welding angle, and the distance between the first fixed ring 505 and the second fixed ring 507 can be controlled by the fastening bolt 506, so as to install, disassemble and replace the welding gun 508.

[0035] (2) When welding a part with a small contact surface, turn on the third motor 211, the output shaft of the third motor 211 drives the first rotating rod 212 to rotate, the first rotating rod 212 drives the third gear 213 to rotate, the third gear 213 drives the fourth gear 214 to rotate, the fourth gear 214 drives the second rotating rod 215 to rotate, at the same time, the first rotating rod 212 drives the upper clamp plate 217 to rotate, the second rotating rod 215 drives the lower clamp plate 218 to rotate, and because the third gear 213 and the fourth gear 214 are engaged, the upper clamp plate 217 and the lower clamp plate 218 rotate in opposite directions, so that the part can be clamped and kept stable during welding, then control the first motor 201 to make the two side parts close to each other for welding, according to the welding requirements, the height position of the part can be adjusted by the first electric push rod 207 to adapt to different welding conditions, when the welding of one side is completed, turn on the second motor 209, the second motor 209 drives the left rotating plate 210 to rotate, so that the left part rotates, under the cooperation of the right rotating plate 210 and the bearing, the rotation of the left part drives the right part that has been welded on one side to rotate, so as to facilitate the welding of the other side and improve the welding efficiency.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A welding device for processing automotive parts, comprising a processing table (1), characterized in that: The processing table (1) is provided with a splicing mechanism (2) for splicing different types of automotive parts. A support rod (3) is fixed on the upper surface of the processing table (1). A top plate (4) is fixed at the other end of the support rod (3). A welding mechanism (5) for welding automotive parts is provided on the top plate (4). The splicing mechanism (2) includes a first motor (201), which is fixed to the lower surface of the processing table (1). The output shaft of the first motor (201) passes through and extends into the interior of the processing table (1), and is fixed with a first gear (202). A second gear (203) meshes with the outer side of the first gear (202). A connecting rod (204) is fixed to the inner side of the second gear (203). A threaded rod (205) is fixed to the left side of the connecting rod (204). The other end of the threaded rod (205) is rotatably connected to the inner wall of the left side of the processing table (1) through a bearing. A threaded block (206) is threadedly connected to the outer side of the threaded rod (205). The upper surface of the threaded block (206) passes through and extends to the upper side of the processing table (1), and is fixed with a first electric push rod (207). The output shaft of the first electric push rod (207) is fixed with a mounting plate (208), and a clamping assembly is provided on the mounting plate (208).

2. The welding device for processing automotive parts according to claim 1, characterized in that: The lower surface of the processing table (1) is fixed with four supports (6), which are evenly distributed at the four corners of the lower surface of the processing table (1).

3. The welding device for processing automotive parts according to claim 1, characterized in that: The number of support rods (3) is four, and they are evenly distributed on the upper surface of the processing table (1).

4. The welding device for processing automotive parts according to claim 1, characterized in that: The clamping assembly includes a second motor (209), which is fixed to the left side of the mounting plate (208). The output shaft of the second motor (209) passes through and extends to the right side of the mounting plate (208), and a rotating plate (210) is fixed thereon. A third motor (211) is fixed to the right side of the rotating plate (210). A first rotating rod (212) is fixed to the output shaft of the third motor (211). A third gear (21) is fixed to the outer side of the first rotating rod (212). 3) The outer side of the third gear (213) is meshed with the fourth gear (214), the inner side of the fourth gear (214) is fixed with the second rotating rod (215), both ends of the second rotating rod (215) are fixed with fixing blocks (216), the left side of the two fixing blocks (216) is fixed with the right side of the mounting plate (208), the outer side of the first rotating rod (212) is fixed with the upper clamping plate (217), and the outer side of the second rotating rod (215) is fixed with the lower clamping plate (218).

5. The welding device for processing automotive parts according to claim 4, characterized in that: The number of threaded rods (205) and threaded blocks (206) are both two, and they are symmetrically distributed about the central axis of the connecting rod (204).

6. The welding device for processing automotive parts according to claim 5, characterized in that: Limiting rods are fixed between the inner walls of the left and right sides of the processing table (1), and the outer side of the limiting rods is slidably connected to the inner side of the two threaded blocks (206).

7. The welding device for processing automotive parts according to claim 6, characterized in that: The left side of the mounting plate (208) on the left is fixed to the second motor (209), and the left side of the mounting plate (208) on the right is rotatably connected to the right rotating plate (210) via bearings.

8. The welding device for processing automotive parts according to claim 1, characterized in that: The welding mechanism (5) includes a dual-axis linear module (501), which is fixed to the lower surface of the top plate (4). A second electric push rod (502) is fixed to the bottom of the dual-axis linear module (501). A connecting block (503) is fixed to the output shaft of the second electric push rod (502). A fourth motor (504) is fixed to the left side of the connecting block (503). The output shaft of the fourth motor (504) passes through and extends to the right side of the connecting block (503) and is fixed with a first fixing ring (505). A fastening bolt (506) is rotatably mounted on the front of the first fixing ring (505) via a bearing. The other end of the fastening bolt (506) passes through and extends to the rear side of the first fixing ring (505) and is threadedly connected to a second fixing ring (507). A welding torch (508) is provided between the first fixing ring (505) and the second fixing ring (507).

9. A welding device for processing automotive parts according to claim 8, characterized in that: A guide rod is fixed to the back of the first fixing ring (505), and the other end of the guide rod passes through and extends to the rear side of the second fixing ring (507), and a limit block is fixed thereon. The guide rod is slidably connected to the second fixing ring (507).

10. A welding device for processing automotive parts according to claim 9, characterized in that: Anti-slip pads are fixed between the opposite sides of the first fixing ring (505) and the second fixing ring (507).

Images