Automobile part welding device with positioning structure

Abstract

The utility model relates to the technical field of automobile part welding devices, in particular to an automobile part welding device with a positioning structure, which comprises a base, the top of the base close to the front surface and the back surface is fixedly connected with the bottom of a welding piece, a part to be welded is placed in two clamping blocks, and an air cylinder is started to pull a piston rod to contract, so that the welding piece is welded. When the piston rod contracts, the second guide block is driven to slide along the inner side wall of the U-shaped plate, the distance between the first fixing shaft and the third fixing shaft is increased along with movement of the second guide block, and then the first rotating rod and the second rotating rod rotate around the second fixing shaft in the opposite directions; the second rotating rod rotates around the second fixing shaft and rotates with the third fixing shaft as the circle center at the same time, and the clamping block rotates with the second fixing shaft with the third fixing shaft as the circle center, so that high-precision clamping and positioning of workpieces are achieved, welding quality and consistency are guaranteed, and welding defects caused by position deviation are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile component welding devices, in particular to an automobile component welding device with a positioning structure. Background Art

[0002] Automotive welding equipment is fundamental to achieving component welding. With the development of the automotive industry, welding equipment is constantly being upgraded. Modern automotive welding equipment often utilizes advanced automation technologies, such as robotic welding and laser welding, to improve welding efficiency and quality. These devices precisely control welding parameters such as welding current, voltage, and speed, ensuring the strength and tightness of welded joints.

[0003] Currently, when most welding devices for automotive parts on the market are used, the positioning accuracy is limited due to the possible differences in the sizes of automotive parts from different models and batches, making it difficult for the devices to adapt to the welding needs of different parts. Utility Model Content

[0004] The purpose of the present invention is to provide a welding device for an automotive component with a positioning structure, so as to solve the problem in the above-mentioned background art that the device is difficult to adapt to the welding requirements of different components. To achieve the above-mentioned purpose, the present invention provides the following technical solution: A welding device for an automotive component with a positioning structure includes a base, the top of the base near the front and back sides are fixedly connected to the bottom of the welded component, the top of the base near both sides are fixedly connected to the bottom of the support member by bolts, and the support member is composed of a protective block, a connecting plate, a U-shaped plate, a connecting column, a first guide block and a first guide groove.

[0005] The inner wall at the center of the support member is slidably connected to the outer wall of the clamping member, the bottom end of the clamping member is fixedly connected to the top of the adjusting member, and the outer walls at both ends of the adjusting member are rotatably connected to the inner walls of the support member near the front and back sides respectively. The clamping member includes a cylinder, a piston rod, a second guide block, a second slide groove, a first slider, a first fixed shaft, a limit block, a first rotating rod, a second fixed shaft, a second rotating rod, a third fixed shaft and a clamping block.

[0006] Preferably, the base is composed of a support rod, a workbench and a working cavity, and the top end of the support rod is fixedly connected to the bottom end of the workbench, and the working cavity is opened in the center of the top end of the workbench.

[0007] Preferably, the welding part includes an adjustment plate, a welding roller frame and a welding assembly, and the top of the adjustment plate is fixedly connected to the bottom of the welding roller frame away from the center, the bottom of the center of the welding roller frame is movably connected to the top of the welding assembly, and the bottom of the adjustment plate is movably connected to the top of the workbench near the front and back respectively.

[0008] Preferably, the right side of the protective block is fixedly connected to the left side of the connecting plate, and the right side of the connecting plate is fixedly connected to the left side of the U-shaped plate, the right side of the U-shaped plate is fixedly connected to one end of the connecting column, and the other end of the connecting column is fixedly connected to the left side of the first guide block, a first guide groove is provided on the inner wall of the first guide block, and the bottom of the protective block is fixedly connected to the top of the workbench near both sides by bolts.

[0009] Preferably, the number of the first slider, the first fixed shaft, the first rotating rod, the second fixed shaft, the second rotating rod, the third fixed shaft and the clamping block are all set to two, and the output end of the cylinder is fixedly connected to one end of the piston rod, the other end of the piston rod is fixedly connected to the left side of the second guide block, and the inner wall of the second guide block is provided with a second sliding groove, the inner side walls of the second sliding groove are respectively slidably connected to the outer side walls of the two first sliders, and the tops of the two first sliders are respectively fixedly connected to the bottom ends of the two first fixed shafts, the outer walls of the two first fixed shafts are respectively rotatably connected to the inner walls of one end of the two first rotating rods, and The outer walls of the two second rotating rods are respectively rotatably connected to the outer walls of the two second fixed shafts near the top ends, and the outer walls of the two second fixed shafts near the bottom ends are respectively rotatably connected to the inner walls of one ends of the two second rotating rods, and the inner walls of the other ends of the two second rotating rods are respectively rotatably connected to the outer walls of the two third fixed shafts, and the outer walls of the two second rotating rods near the third fixed shafts are respectively fixedly welded to the outer walls of the left sides of the two clamping blocks, and the outer wall of the cylinder is fixedly connected to the inner wall of the protective block, the outer wall of the second guide block is slidably connected to the inner wall of the U-shaped plate, and the outer wall of the piston rod is slidably connected to the inner wall of the center of the connecting plate.

[0010] The top of the adjusting screw mandrel is connected with the adjusting screw mandrel at two ends, and the lower end of the adjusting screw mandrel is connected with the lower end of the adjusting screw mandrel respectively.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] In the utility model, the parts to be welded are placed between the two clamping blocks, and the cylinder is started to pull the piston rod to retract. When the piston rod retracts, it drives the second guide block to slide along the inner wall of the U-shaped plate. As the second guide block moves, the distance between the first fixed axis and the third fixed axis becomes larger, thereby causing the first rotating rod and the second rotating rod to rotate in opposite directions around the second fixed axis. While the second rotating rod rotates around the second fixed axis, it will also rotate around the third fixed axis as the center of the circle. The clamping block will also follow the second fixed axis to rotate around the third fixed axis as the center of the circle, thereby achieving high-precision clamping and positioning of the workpiece, ensuring the quality and consistency of welding, and reducing welding defects caused by position deviation.

[0013] In the utility model, by rotating the adjustment knob, the mirrored threads on the adjustment rod drive the two second sliders to move in opposite directions along the first guide groove, thereby driving the distance between the two third fixed shafts and the clamping blocks to change. By changing the preset distance between the clamping blocks, the device can stably clamp automobile parts of different sizes, so that the same set of clamps can be applied to a variety of automobile parts, reducing the need for customized clamps. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is an exploded view of the utility model;

[0017] Figure 4 This is an overall diagram of the support member, clamping member and adjusting member in the utility model;

[0018] Figure 5 This is an exploded view of the support member, clamping member and adjusting member in the utility model.

[0019] Figure: 1, base; 101, support rod; 102, workbench; 103, working chamber; 2, welding part; 201, adjustment plate; 202, welding roller frame; 203, welding assembly; 3, support part; 301, protective block; 302, connecting plate; 303, U-shaped plate; 304, connecting column; 305, first guide block; 306, first guide groove; 4, clamping part; 401, cylinder; 402, piston rod ; 403, second guide block; 404, second slide groove; 405, first slider; 406, first fixed axis; 407, limit block; 408, first rotating rod; 409, second fixed axis; 410, second rotating rod; 411, third fixed axis; 412, clamping block; 5, adjusting member; 501, adjusting knob; 502, adjusting rod; 503, limit plate; 504, second slider; 505, transmission plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0021] See also Figures 1 to 5 The utility model provides a technical solution: a welding device for automobile parts with a positioning structure, including a base 1, the top of the base 1 near the front and back sides are fixedly connected to the bottom of the welding part 2, and the top of the base 1 near both sides are fixedly connected to the bottom of the support part 3 by bolts. The support part 3 is composed of a protective block 301, a connecting plate 302, a U-shaped plate 303, a connecting column 304, a first guide block 305 and a first guide groove 306.

[0022] The inner wall at the center of the support member 3 is slidably connected to the outer wall of the clamping member 4, the bottom end of the clamping member 4 is fixedly connected to the top of the adjusting member 5, and the outer walls at both ends of the adjusting member 5 are rotatably connected to the inner walls of the support member 3 near the front and back sides respectively. The clamping member 4 includes a cylinder 401, a piston rod 402, a second guide block 403, a second slide groove 404, a first slider 405, a first fixed shaft 406, a limit block 407, a first rotating rod 408, a second fixed shaft 409, a second rotating rod 410, a third fixed shaft 411 and a clamping block 412.

[0023] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the base 1 consists of a support rod 101, a workbench 102 and a working chamber 103, and the top of the support rod 101 is fixedly connected to the bottom of the workbench 102, and a working chamber 103 is opened in the center of the top of the workbench 102. The support rod 101 provides support for the device to ensure that the welding device does not shake during operation, and the working chamber 103 provides space for the welding process.

[0024] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the welding part 2 includes an adjustment plate 201, a welding roller frame 202 and a welding assembly 203, and the top of the adjustment plate 201 is fixedly connected to the bottom of the welding roller frame 202 away from the center, the bottom of the center of the welding roller frame 202 is movably connected to the top of the welding assembly 203, and the bottom of the adjustment plate 201 is movably connected to the top of the workbench 102 near the front and back respectively. The welding assembly 203 performs the welding operation, and the welding roller frame 202 and the adjustment plate 201 can drive the welding assembly 203 to adjust its angle and position.

[0025] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the right side of the protective block 301 is fixedly connected to the left side of the connecting plate 302, and the right side of the connecting plate 302 is fixedly connected to the left side of the U-shaped plate 303, the right side of the U-shaped plate 303 is fixedly connected to one end of the connecting column 304, and the other end of the connecting column 304 is fixedly connected to the left side of the first guide block 305, the inner wall of the first guide block 305 is provided with a first guide groove 306, and the bottom of the protective block 301 is fixedly connected to the top of the workbench 102 near both sides by bolts respectively, the protective block 301, the connecting plate 302 and the U-shaped plate 303 are used to support the clamped parts to ensure that they can move smoothly.

[0026] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the number of the first slider 405, the first fixed shaft 406, the first rotating rod 408, the second fixed shaft 409, the second rotating rod 410, the third fixed shaft 411 and the clamping block 412 are all set to two, and the output end of the cylinder 401 is fixedly connected to one end of the piston rod 402, the other end of the piston rod 402 is fixedly connected to the left side of the second guide block 403, and the inner wall of the second guide block 403 is provided with a second sliding groove 404, the inner side walls of the second sliding groove 404 are respectively slidably connected to the outer side walls of the two first sliders 405, and the two first sliders 405 The tops of the two first fixed shafts 406 are fixedly connected to the bottom ends of the two first fixed shafts 406, the outer walls of the two first fixed shafts 406 are rotatably connected to the inner walls of one end of the two first rotating rods 408, and the inner walls of the other ends of the two first rotating rods 408 are rotatably connected to the outer walls of the two second fixed shafts 409 near the top, the outer walls of the two second fixed shafts 409 near the bottom are rotatably connected to the inner walls of one end of the two second rotating rods 410, and the inner walls of the other ends of the two second rotating rods 410 are rotatably connected to the outer walls of the two third fixed shafts 411, respectively. The outer wall close to the third fixed axis 411 is fixedly welded to the outer wall on the left side of the two clamping blocks 412, and the outer wall of the cylinder 401 is fixedly connected to the inner wall of the protective block 301, the outer wall of the second guide block 403 is slidably connected to the inner wall of the U-shaped plate 303, and the outer wall of the piston rod 402 is slidably connected to the inner wall of the center of the connecting plate 302. The parts to be welded are placed in the two clamping blocks 412, and the cylinder 401 is started to pull the piston rod 402 to retract. When the piston rod 402 retracts, it drives the second guide block 403 to slide along the inner wall of the U-shaped plate 303. The movement toward block 403 increases the distance between the first fixed axis 406 and the third fixed axis 411, thereby causing the first rotating rod 408 and the second rotating rod 410 to rotate in opposite directions around the second fixed axis 409. While the second rotating rod 410 rotates around the second fixed axis 409, it will also rotate around the third fixed axis 411 as the center. The clamping block 412 will also follow the second fixed axis 409 and rotate around the third fixed axis 411 as the center, thereby achieving high-precision clamping and positioning of the workpiece, ensuring the quality and consistency of welding, and reducing welding defects caused by position deviation.

[0027] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the adjusting member 5 is composed of an adjusting knob 501, an adjusting rod 502, a limiting plate 503, a second slider 504 and a transmission plate 505, and the number of the second slider 504 and the transmission plate 505 are both set to two. The back of the adjusting knob 501 is fixedly connected to one end of the adjusting rod 502, and the other end of the adjusting rod 502 is provided with a limiting plate 503. The outer wall of the adjusting rod 502 near both ends is provided with a mirrored thread, and the outer wall of the adjusting rod 502 near both ends is respectively connected with the inner wall thread of the two second sliders 504. Then, the bottoms of the two second sliders 504 are fixedly connected to the tops on the right sides of the two transmission plates 505, and the tops on the left sides of the two transmission plates 505 are fixedly connected to the bottoms of the two first sliders 405. The outer sides of the two second sliders 504 are slidingly connected to the inner sides of the first guide groove 306, and the outer walls at both ends of the adjusting rod 502 are rotatably connected to the inner walls of the first guide block 305 near the front and back sides, respectively. The tops of the two second sliders 504 are fixedly connected to the bottom ends of the two third fixed shafts 411.

[0028] The use method and advantages of the utility model: When the welding device of the automobile parts with the positioning structure is in operation, the working process is as follows:

[0029] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the parts to be welded are placed between the two clamping blocks 412, and the cylinder 401 is started to pull the piston rod 402 to retract. When the piston rod 402 retracts, it drives the second guide block 403 to slide along the inner wall of the U-shaped plate 303. As the second guide block 403 moves, the distance between the first fixed axis 406 and the third fixed axis 411 increases, thereby causing the first rotating rod 408 and the second rotating rod 410 to rotate in opposite directions around the second fixed axis 409. While the second rotating rod 410 rotates around the second fixed axis 409, it will also rotate around the third fixed axis 411 as the center of the circle, and the clamping block 412 will also follow the second fixed axis 4 09 rotates around the third fixed axis 411 as the center of the circle, thereby achieving high-precision clamping and positioning of the workpiece, ensuring the quality and consistency of welding, and reducing welding defects caused by position deviation. By rotating the adjustment knob 501, the mirrored thread on the adjustment rod 502 drives the two second sliders 504 to move in opposite directions along the first guide groove 306, thereby driving the distance between the two third fixed axes 411 and the clamping blocks 412 to change. By changing the preset distance between the clamping blocks 412, the device can stably clamp automotive parts of different sizes, so that the same set of fixtures can be applied to a variety of automotive parts, reducing the need for customized fixtures.

[0030] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding device for automobile parts having a positioning structure, comprising a base (1), characterized in that: The top of the base (1) near the front and back sides is fixedly connected to the bottom of the welding member (2), and the top of the base (1) near both sides is fixedly connected to the bottom of the support member (3) through bolts, and the support member (3) is composed of a protective block (301), a connecting plate (302), a U-shaped plate (303), a connecting column (304), a first guide block (305) and a first guide groove (306); The inner wall at the center of the support member (3) is slidably connected to the outer wall of the clamping member (4), the bottom end of the clamping member (4) is fixedly connected to the top of the adjusting member (5), and the outer walls at both ends of the adjusting member (5) are rotatably connected to the inner walls of the support member (3) close to the front and back respectively. The clamping member (4) includes a cylinder (401), a piston rod (402), a second guide block (403), a second sliding groove (404), a first slider (405), a first fixed shaft (406), a limit block (407), a first rotating rod (408), a second fixed shaft (409), a second rotating rod (410), a third fixed shaft (411) and a clamping block (412).

2. A welding device for automobile parts with a positioning structure according to claim 1, characterized in that: The base (1) is composed of a support rod (101), a workbench (102) and a working chamber (103), wherein the top end of the support rod (101) is fixedly connected to the bottom end of the workbench (102), and the working chamber (103) is provided at the center of the top end of the workbench (102).

3. The welding device for automobile parts with a positioning structure according to claim 2, characterized in that: The welding piece (2) comprises an adjustment plate (201), a welding roller frame (202) and a welding assembly (203), wherein the top of the adjustment plate (201) is fixedly connected to the bottom of the welding roller frame (202) away from the center, the bottom of the center of the welding roller frame (202) is movably connected to the top of the welding assembly (203), and the bottom of the adjustment plate (201) is movably connected to the top of the workbench (102) near the front and back respectively.

4. The welding device for automobile parts with a positioning structure according to claim 2, characterized in that: The right side of the protective block (301) is fixedly connected to the left side of the connecting plate (302), and the right side of the connecting plate (302) is fixedly connected to the left side of the U-shaped plate (303). The right side of the U-shaped plate (303) is fixedly connected to one end of the connecting column (304), and the other end of the connecting column (304) is fixedly connected to the left side of the first guide block (305). The inner wall of the first guide block (305) is provided with a first guide groove (306), and the bottom of the protective block (301) is fixedly connected to the top of the workbench (102) near both sides by bolts.

5. The welding device for automobile parts with a positioning structure according to claim 4, characterized in that: The number of the first slider (405), the first fixed shaft (406), the first rotating rod (408), the second fixed shaft (409), the second rotating rod (410), the third fixed shaft (411) and the clamping block (412) is set to two, and the output end of the cylinder (401) is fixedly connected to one end of the piston rod (402), the other end of the piston rod (402) is fixedly connected to the left side of the second guide block (403), and the inner wall of the second guide block (403) is provided with a second sliding groove (404), the inner side wall of the second sliding groove (404) is respectively slidably connected to the outer side wall of the two first sliders (405), and the top of the two first sliders (405) is respectively fixedly connected to the bottom end of the two first fixed shafts (406), and the outer wall of the two first fixed shafts (406) is respectively connected to the outer side wall of one end of the two first rotating rods (408). The inner wall is rotatably connected, and the inner wall of the other end of the two first rotating rods (408) is rotatably connected to the outer wall of the two second fixed shafts (409) near the top, the outer wall of the two second fixed shafts (409) near the bottom is rotatably connected to the inner wall of one end of the two second rotating rods (410), and the inner wall of the other end of the two second rotating rods (410) is rotatably connected to the outer wall of the two third fixed shafts (411), the outer wall of the two second rotating rods (410) near the third fixed shaft (411) is fixedly welded to the outer wall of the left side of the two clamping blocks (412), and the outer wall of the cylinder (401) is fixedly connected to the inner wall of the protective block (301), the outer wall of the second guide block (403) is slidably connected to the inner wall of the U-shaped plate (303), and the outer wall of the piston rod (402) is slidably connected to the inner wall of the center of the connecting plate (302).

6. The welding device for automobile parts with a positioning structure according to claim 5, characterized in that: The adjusting member (5) is composed of an adjusting knob (501), an adjusting rod (502), a limiting plate (503), a second slider (504) and a transmission plate (505), and the number of the second slider (504) and the transmission plate (505) are both set to two. The back of the adjusting knob (501) is fixedly connected to one end of the adjusting rod (502), and the other end of the adjusting rod (502) is provided with a limiting plate (503). The outer wall of the adjusting rod (502) near both ends is provided with a mirrored thread, and the outer wall of the adjusting rod (502) near both ends is respectively connected to the inner threads of the two second sliders (504). The bottom of the two second sliders (504) are respectively fixedly connected to the top of the right side of the two transmission plates (505), and the top of the left side of the two transmission plates (505) are respectively fixedly connected to the bottom of the two first sliders (405), the outer side walls of the two second sliders (504) are both slidably connected to the inner side wall of the first guide groove (306), and the outer walls at both ends of the adjusting rod (502) are respectively rotatably connected to the inner wall of the first guide block (305) near the front and back sides, and the tops of the two second sliders (504) are respectively fixedly connected to the bottom ends of the two third fixed shafts (411).

Images