An automobile parts welding device

Abstract

The utility model discloses a kind of automobile parts welding devices, including portal and object carrier, welding manipulator is installed on the portal, clamping assembly is fixedly installed on the object carrier, the clamping assembly is multiple, multiple clamping assembly is symmetrically installed on object carrier, the clamping assembly includes cylinder, rotating rod is installed on the piston rod of cylinder, the one end of rotating rod away from cylinder is fixedly connected with crimping portion, rotating rod and cylinder between being equipped with for changing the steering portion of rotating rod motion trajectory, load plate and connecting frame are fixedly connected on the object carrier, the mounting plate matched with connecting frame is fixedly connected on the cylinder, the mounting plate is fixedly connected on load plate.The utility model of a kind of automobile parts welding devices, can improve the fixing and dismounting efficiency of automobile parts, to shorten the time required for welding process, improve production efficiency while reducing the labor intensity of worker.

Description

Technical Field

[0001] This utility model belongs to the field of automotive welding technology, specifically relating to a welding device for automotive parts. Background Technology

[0002] In the modern automotive manufacturing industry, with the rapid development of industrial automation and intelligent manufacturing technologies, production lines are evolving towards higher precision and efficiency. Among these advancements, robotic automatic welding technology, with its stable welding quality, continuous operation capability, and adaptability to complex working conditions, has become one of the core processes in automotive parts production. All of this hinges on the precise positioning of the workpiece throughout the welding process; therefore, the fixture's positioning of the workpiece directly determines the stability of the welding process and the yield rate of the finished product.

[0003] Currently, the industry mainly uses traditional bolt fastening or screw adjustment for fixing automotive parts. These methods use mechanical locking structures to fix the workpiece to the fixture. Although they can meet the basic fixing requirements, the fixing process requires manual tightening of bolts or adjustment of screws one by one. Disassembly also requires the reverse operation. The fixing and disassembly of a single process often takes several minutes, which not only seriously restricts production efficiency but also increases the labor intensity of operators.

[0004] Therefore, in order to address the aforementioned technical problems, it is necessary to provide a welding device for automotive parts.

[0005] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0006] The purpose of this invention is to provide a welding device for automotive parts that can solve the above-mentioned problems.

[0007] To achieve the above objectives, a specific embodiment of this utility model provides an automotive parts welding device, including a mast and a carrier. A welding robot is mounted on the mast, and a clamping assembly is fixedly mounted on the carrier. There are multiple clamping assemblies, which are symmetrically mounted on the carrier. Each clamping assembly includes a cylinder, and a rotating rod is mounted on the piston rod of the cylinder. A pressing part is fixedly connected to the end of the rotating rod away from the cylinder. A steering part for changing the movement trajectory of the rotating rod is provided between the rotating rod and the cylinder.

[0008] In one or more embodiments of this utility model, a support plate and a connecting frame are fixedly connected to the carrier, and a mounting plate matching the connecting frame is fixedly connected to the cylinder, with the mounting plate fixedly connected to the support plate.

[0009] In one or more embodiments of this utility model, the steering part includes a fixed frame, a first fixed block, and a rotating frame. The fixed frame is fixedly connected to the piston of the cylinder. A first hinge post is rotatably connected to the fixed frame. A second hinge hole matching the first hinge post is opened on the rotating rod. The rotating rod is rotatably connected to the first hinge post. The first fixed block is fixedly connected to the mounting plate. A fifth hinge hole is opened on the first fixed block. A pair of second hinge posts are rotatably connected to the rotating frame. One of the second hinge posts is rotatably connected in the fifth hinge hole. A third hinge hole matching the second hinge post is opened on the rotating rod.

[0010] In one or more embodiments of this utility model, the crimping part includes a second fixing block, the second fixing block has a first bolt hole, the rotating rod has a through hole that matches the first bolt hole, a countersunk bolt is inserted into the through hole, the second fixing block is fixedly connected to the rotating rod by the countersunk bolt, and a pair of third fixing blocks are fixedly connected to the second fixing block.

[0011] In one or more embodiments of this utility model, a second bolt hole is provided on the third fixing block, a lead screw is threaded into the second bolt hole, the lead screw passes through the second bolt hole, and a locking block is rotatably connected to one end of the lead screw passing through the second bolt hole.

[0012] In one or more embodiments of this utility model, the locking block is provided with a rotating groove, and the lead screw is integrally formed with a rotating block that matches the rotating groove.

[0013] In one or more embodiments of this utility model, a pair of sliding posts are integrally formed on the locking block, and a sliding groove matching the sliding posts is provided on the third fixing block, and the sliding posts are slidably connected in the sliding groove.

[0014] In one or more embodiments of this utility model, the end of the locking block away from the third fixing block is provided with an anti-slip layer.

[0015] In one or more embodiments of this utility model, the automotive parts welding device further includes a frame, and there are two load cells, which are symmetrically mounted on the frame. A motor is fixedly connected to the frame.

[0016] In one or more embodiments of this utility model, a light-shielding plate is fixedly installed on the frame, and the light-shielding plate is located between two shelves.

[0017] Compared with the prior art, the automotive parts welding device of this utility model can improve the efficiency of fixing and disassembling automotive parts, thereby shortening the time required for welding processes, increasing production efficiency and reducing the labor intensity of workers. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an automotive parts welding device according to one embodiment of the present invention. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of a carrier frame for an automotive parts welding device according to one embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram of the structure of a clamping assembly of an automotive parts welding device according to one embodiment of the present invention. Figure 1 ;

[0022] Figure 4 This is a schematic diagram of the structure of a clamping assembly of an automotive parts welding device according to one embodiment of the present invention. Figure 2 ;

[0023] Figure 5 This is a schematic diagram of the structure of a clamping assembly of an automotive parts welding device according to one embodiment of the present invention. Figure 3 ;

[0024] Figure 6 This is a cross-sectional view of the pressing part of an automotive parts welding device according to an embodiment of the present invention;

[0025] Figure 7 This is a schematic diagram of the structure of an automotive parts welding device according to one embodiment of the present invention. Figure 2 .

[0026] Explanation of key figure labels:

[0027] 1. Gantry; 11. Welding robot; 2. Carrier rack; 21. Bearing plate; 22. Connecting frame; 3. Cylinder; 31. Mounting plate; 32. Fixing frame; 321. First hinge column; 33. Rotating rod; 331. Through hole; 332. Second hinge hole; 333. Third hinge hole; 34. First fixing block; 341. Fifth hinge hole; 35. Rotating frame; 351. Second hinge column; 36. Second fixing block; 361. First bolt hole; 37. Third fixing block; 371. Second bolt hole; 372. Sliding groove; 373. Lead screw; 3731. Rotating block; 38. Locking block; 381. Sliding column; 382. Rotating groove; 4. Countersunk bolt; 5. Frame; 51. Sunshade plate; 52. Motor. Detailed Implementation

[0028] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0029] like Figures 1 to 6 As shown, an embodiment of the present invention provides a welding device for automotive parts, including a mast 1 and a carrier 2. A welding robot 11 is mounted on the mast 1, and a carrier plate 21 and a connecting frame 22 are welded onto the carrier 2. The connecting frames 22 are a pair, located on both sides of the carrier plate 21. Multiple clamping components for locking automotive parts are fixedly mounted on the connecting frames 22. By clamping the automotive parts on the carrier plate 21, the welding robot 11 can weld the automotive parts on the carrier plate 21.

[0030] Specifically, the clamping assembly includes a cylinder 3, on which a mounting plate 31 matching the connecting frame 22 is welded. The mounting plate 31 can be installed on the connecting frame 22 using conventional fixing methods such as bolts or welding. A rotating rod 33 is mounted on the piston rod of the cylinder 3, and a pressing part for fixing components is detachably connected to the end of the rotating rod 33 away from the cylinder 3. When the piston rod of the cylinder 3 retracts into the cylinder barrel of the cylinder 3, the pressing part can press the automotive components on the support plate 21.

[0031] To facilitate the handling of automotive parts and improve production efficiency, a steering mechanism is provided between the rotating rod 33 and the cylinder 3 to change the movement trajectory of the rotating rod 33. The steering mechanism includes a fixed frame 32, a first fixed block 34, and a rotating frame 35. The fixed frame 32 is welded to the piston rod of the cylinder 3, and a first hinge pin 321 is rotatably connected to the fixed frame 32. The rotating rod 33 has a second hinge hole 332 that matches the first hinge pin 321, and the rotating rod 33 is rotatably connected to the first hinge pin 321 through the second hinge hole 332. The first fixed block 34 is welded to the mounting plate 31, and a fifth hinge hole 341 is provided on the first fixed block 34. A pair of second hinge pins 351 are rotatably connected to the rotating frame 35. One second hinge pin 351 is rotatably connected to the fifth hinge hole 341, and the rotating rod 33 has a third hinge hole 333 that matches the second hinge pin 351, with the other second hinge pin 351 rotatably connected to the third hinge hole 333.

[0032] When the piston rod of cylinder 3 rises upward, the rotating rod 33, under the action of the steering part, becomes perpendicular to the piston rod of cylinder 3, and the pressing part presses against the automotive part, fixing it in place. When the piston rod of cylinder 3 retracts, the rotating rod 33 rotates to become parallel to the piston rod of cylinder 3, making it easier to remove the automotive part after welding or to place it on the mounting plate 31 before welding. Cylinder control is also a mature existing technology that can significantly improve work efficiency. Of course, a hydraulic cylinder can achieve the same effect, but its efficiency will be lower compared to a pneumatic cylinder.

[0033] like Figure 3 and Figure 6 As shown, the crimping part includes a second fixing block 36, on which a first bolt hole 361 is formed. A through hole 331 matching the first bolt hole 361 is formed on the rotating rod 33. A countersunk bolt 4 is inserted into the through hole 331. The second fixing block 36 is detachably connected to the rotating rod 33 via the countersunk bolt 4. A pair of third fixing blocks 37 are integrally formed on the second fixing block 36. By removing the countersunk bolt 4, the shape and size of the crimping part can be changed, improving its applicability.

[0034] The third fixing block 37 has a second bolt hole 371, and a lead screw 373 is threaded into the second bolt hole 371. The lead screw 373 passes through the second bolt hole 371, and a locking block 38 is rotatably connected to one end of the lead screw 373 that passes through the second bolt hole 371. Specifically, the locking block 38 has a rotating groove 382, ​​and a rotating block 3731 that matches the rotating groove 382 is integrally formed on the lead screw 373. The rotating block 3731 is rotatably connected in the rotating groove 382. When the lead screw 373 is rotated, the locking block 38 will move away from or closer to the third fixing block 37, which is convenient for handling automotive parts of different thicknesses.

[0035] Furthermore, a pair of sliding posts 381 are integrally formed on the locking block 38, and a sliding groove 372 matching the sliding posts 381 is provided on the third fixing block 37. The sliding posts 381 are slidably connected in the sliding groove 372. When the lead screw 373 is rotated, the sliding posts 381 can limit the locking block 38 to prevent the locking block 38 from rotating, ensuring that the locking block 38 can be pressed against the automotive parts.

[0036] Furthermore, the locking block 38 has an anti-slip layer at the end furthest from the third fixing block 37. This anti-slip layer increases the friction between the locking block 38 and the automotive parts, enhancing the fixing effect. It should be noted that the anti-slip layer cannot be made of rubber, as the high temperatures during welding may damage it. Preferably, the protective layer is made of patterned steel plate.

[0037] like Figure 1 and Figure 7 As shown, the automotive parts welding device also includes a frame 5 and two carrier racks 2, which are symmetrically mounted on the frame 5. A motor 52 is welded onto the frame 5. During production, after the automotive parts on one carrier rack 2 are welded, the frame 5 is rotated by the motor 52 to remove the welded automotive parts. Then, the automotive parts to be welded are placed back on the carrier rack 2. The two carrier racks 2 on the frame 5 cooperate with each other to further improve production efficiency.

[0038] Furthermore, a light shield 51 is fixedly installed on the frame 5, located between the two shelves 2. When workers pick up or place automotive parts, the light shield 51 can block the welding arc light from the welding robot 11, protecting the workers' eyes.

[0039] When using, such as Figures 1 to 7 As shown, the automotive parts to be welded are placed on the support plate 21, the cylinder 3 is started, the piston rod on the cylinder 3 is lifted upward, and under the action of the steering part, the vertical rotating rod 33 will gradually become perpendicular to the piston rod of the cylinder 3, so that the locking block 38 is pressed onto the automotive parts, and the automotive parts are fixed.

[0040] After welding is completed, start motor 52 to rotate frame 5, then start cylinder 3 to retract piston rod on cylinder 3, rotating rod 33 gradually becomes parallel to piston rod of cylinder 3, locking block 38 moves away from automotive parts, making it easier to remove automotive parts from bearing plate 21.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0042] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A welding apparatus for automotive parts, comprising a gantry and a carrying rack, wherein a welding robot is mounted on the gantry, characterized in that, A clamping assembly is fixedly installed on the shelf. There are multiple clamping assemblies, which are symmetrically installed on the shelf. Each clamping assembly includes a cylinder. A rotating rod is installed on the piston rod of the cylinder. A pressing part is fixedly connected to the end of the rotating rod away from the cylinder. A deflection part is provided between the rotating rod and the cylinder to change the movement trajectory of the rotating rod.

2. The automotive parts welding device according to claim 1, characterized in that, A support plate and a connecting frame are fixedly connected to the load-bearing frame. A mounting plate matching the connecting frame is fixedly connected to the cylinder. The mounting plate is fixedly connected to the support plate.

3. The automotive parts welding device according to claim 2, characterized in that, The steering unit includes: A fixed frame is fixedly connected to the piston of the cylinder. A first hinge column is rotatably connected to the fixed frame. A second hinge hole matching the first hinge column is opened on the rotating rod. The rotating rod is rotatably connected to the first hinge column. A first fixing block is fixedly connected to the mounting plate, and a fifth hinge hole is provided on the first fixing block; A rotating frame is provided, on which a pair of second hinge posts are rotatably connected. One of the second hinge posts is rotatably connected in a fifth hinge hole. A third hinge hole matching the second hinge post is provided on the rotating rod.

4. A welding apparatus for automotive parts according to any one of claims 1-3, characterized in that, The crimping part includes a second fixing block, on which a first bolt hole is formed. The rotating rod has a through hole that matches the first bolt hole. A countersunk bolt is inserted into the through hole. The second fixing block is fixedly connected to the rotating rod by the countersunk bolt. A pair of third fixing blocks are fixedly connected to the second fixing block.

5. The automotive parts welding apparatus according to claim 4, characterized in that, The third fixing block has a second bolt hole, and a lead screw is threaded into the second bolt hole. The lead screw passes through the second bolt hole, and a locking block is rotatably connected to one end of the lead screw that passes through the second bolt hole.

6. The automotive parts welding apparatus according to claim 5, characterized in that, The locking block has a rotating groove, and the lead screw has a rotating block that matches the rotating groove integrally formed.

7. The automotive parts welding apparatus according to claim 6, characterized in that, The locking block has a pair of sliding posts integrally formed on it, and the third fixing block has a sliding groove that matches the sliding posts. The sliding posts are slidably connected in the sliding groove.

8. The automotive parts welding apparatus according to claim 5, characterized in that, The locking block has an anti-slip layer at the end away from the third fixing block.

9. The automotive parts welding apparatus according to claim 1, characterized in that, The automotive parts welding device also includes a frame, and there are two load cells. The two load cells are symmetrically mounted on the frame, and a motor is fixedly connected to the frame.

10. The automotive parts welding apparatus according to claim 9, characterized in that, A light-shielding plate is fixedly installed on the frame, and the light-shielding plate is located between two shelves.

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