Automobile parts welding workstation

Abstract

The invention discloses an automobile part welding workstation, which belongs to the technical field of automobile part welding. A nut transport mechanism is arranged on one side of a seventh support frame, a fastening rod transport mechanism and a positioning mechanism are arranged on a second support plate, the positioning mechanism positions the fourth through hole, the fastening rod and the nut of each corresponding automobile panel, the transport robot mechanism clamps and transports the automobile panel on a conveyor belt and places it on the positioning mechanism, the welding robot mechanism welds each nut to the automobile panel respectively to ensure the accuracy of the welding position, the transport robot mechanism clamps and transports the welded automobile panel and places it on the conveyor belt for transport and discharge, so that the welding nut forms a firm connection on the panel, the strength and stability of the overall structure are enhanced, and at the same time, it is ensured that the nut is not easy to loosen during use, the risk of later maintenance and failure is reduced, the assembly time and steps are reduced, the labor cost is reduced, and the overall efficiency and quality of the welding workstation are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile parts welding, and in particular relates to an automobile parts welding workstation. Background Art

[0002] The automobile parts welding workstation is a production facility used to weld automobile parts. Nuts are pre-welded on automobile panels, and the automobile panels are tightly fixed and connected with other parts or devices through screws and nuts. Compared with the direct bolt connection between automobile panels and other parts, the connection after welding nuts can be more firm and reliable, reducing assembly time, and can withstand greater loads and pressures without being affected by looseness or rust, thereby improving production efficiency and reducing costs.

[0003] The existing automobile parts welding workstation has a poor clamping effect on the nuts and automobile panels, which makes the parts easy to move during the welding process and affects the welding accuracy. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the prior art and provide an automobile parts welding workstation which has precise positioning and ensures the accuracy of welding position.

[0005] The technical solution adopted to solve the above technical problems is: a feed port is processed on one side of the working guardrail, a discharge port is processed on the other side of the working guardrail, a first support frame is arranged inside the working guardrail, a first transmission shaft and a second transmission shaft are rotatably installed on both sides of the first support frame, the first transmission shaft is connected to the second transmission shaft through a transmission belt, an automobile panel is placed on the transmission belt, and fourth through holes are processed on the four corners of the automobile panel, a second motor for driving the first transmission shaft to rotate is arranged on the first support frame, the inlet end of the transmission belt is close to the feed port on the working guardrail, and the outlet end of the transmission belt is close to the discharge port of the working guardrail; a seventh support frame is arranged inside the working guardrail and is located on one side of the transmission belt, and a nut conveyor is arranged on one side of the seventh support frame to transport multiple nuts to the top of the fourth through holes of the automobile panel. A structure is provided, and a second support plate is provided on the other side of the seventh support frame, and a fastening rod transport mechanism is provided on the second support plate, which transports multiple fastening rods to the through holes of nuts on the automobile panel respectively; a positioning mechanism is provided on the second support plate and is located below the fastening rod transport mechanism, and the positioning mechanism positions the fourth through hole, fastening rod and nut of each corresponding automobile panel; a transport robot mechanism close to one side of the positioning mechanism is provided inside the working protection fence, and the transport robot mechanism clamps and transports the automobile panel on the conveyor belt and places it on the positioning mechanism; a welding robot mechanism close to the other side of the positioning mechanism is provided inside the working protection fence, and the welding robot mechanism welds each nut to the automobile panel respectively, and the transport robot mechanism clamps and transports the welded automobile panel and places it on the conveyor belt for transportation and discharge.

[0006] Furthermore, the welding robot mechanism is as follows: a first base is provided inside the working protection fence, a third motor for driving the second supporting shell to rotate is provided on the first base, a third supporting frame is provided on the second supporting shell, a fourth motor for driving the second mechanical arm to swing is provided on the second supporting shell, the second mechanical arm is rotatably connected to the third supporting frame, a first supporting shell is provided at one end of the second mechanical arm, a fifth motor for driving the first mechanical arm to rotate is provided on the first supporting shell, a second fixed plate is provided at one end of the first mechanical arm, a sixth motor for driving the first fixed plate to swing is provided on the second fixed plate, a second supporting frame rotatably connected to the first fixed plate is provided on the second fixed plate, a seventh motor for driving the first fixed plate to rotate is provided on the second supporting frame, and a welding gun for welding nuts and automobile panels is provided on the first fixed plate.

[0007] Furthermore, the transport robot mechanism is as follows: a second base is arranged inside the working protection fence, an eighth motor for driving the fourth support shell to rotate is arranged on the second base, a fifth support frame is arranged on the fourth support shell, a ninth motor for driving the fourth mechanical arm to swing is arranged on the fourth support shell, the fourth mechanical arm is rotatably connected to the fifth support frame, a third support shell is arranged at one end of the fourth mechanical arm, a tenth motor for driving the third mechanical arm to rotate is arranged on the third support shell, a fourth fixed plate is arranged at one end of the third mechanical arm, an eleventh motor for driving the third fixed plate to swing is arranged on the fourth fixed plate, a fourth support frame rotatably connected to the third fixed plate is arranged on the fourth fixed plate, a twelfth motor for driving the third fixed plate to rotate is arranged on the third fixed plate, a first fixed plate is arranged on the third fixed plate, a plurality of fixed rods are arranged on the first fixed plate, and each fixed rod is respectively provided with an electric suction cup for sucking automobile panels.

[0008] Furthermore, the nut transport mechanism is as follows: a plurality of fixed cylinders are arranged on the seventh support frame, a plurality of nuts are stored in each fixed cylinder along the vertical direction, a first electric cylinder is arranged on the seventh support frame, an output shaft of the first electric cylinder is fixedly connected to the first sliding plate, a plurality of ejector rods for ejecting the nuts in the fixed cylinder are arranged on the first sliding plate, a second fixed plate is arranged on the top of the plurality of fixed cylinders, a plurality of second through holes which are respectively interconnected with the top outlet ends of the fixed cylinders are processed on the second fixed plate, a first motor which drives the first gear to rotate is arranged on the second support plate, the first gear is rotatably connected to the second support plate, a first clamping plate is rotatably installed on the second support plate, a second gear which is meshed with the first gear is arranged at the bottom of the first clamping plate, the first clamping plate is fixedly connected to the movable plate, the movable plate is located above the second fixed plate, and a A plurality of fixed blocks, each of which is respectively processed with a third through hole that is interconnected with the second through hole, a plurality of first through holes that are respectively interconnected with the third through holes are processed on the movable plate, a first sliding hole that is respectively processed on one side of each fixed block and is slidably connected to the clamping rod in a horizontal direction, each clamping rod respectively clamps a nut in the third through hole, a plurality of second sliding holes that are respectively slidably connected to the second contact wheel are processed on the movable plate, each second contact wheel is respectively fixedly sleeved with the inside of the sleeve, one side of each sleeve is respectively fixedly connected to the clamping rod, the other side of each sleeve is respectively fixedly connected to the second sliding rod, each second sliding rod is respectively slidably connected to the third fixed plate at the bottom of the movable plate in the horizontal direction, each second sliding rod is respectively provided with a first spring, one end of each first spring is respectively fixedly connected to the sleeve, and the other end of each first spring is respectively fixedly connected to the third fixed plate.

[0009] Furthermore, the movable plate is provided with a plurality of fixed guide plates which are respectively connected to the first slide rods in a horizontal direction for sliding movement, one side of each first slide rod is respectively processed with a first inclined surface and a horizontal side surface which are in contact with and slidably connected to the second contact wheel, one end of each first slide rod is respectively provided with a first contact wheel which is in contact with the positioning mechanism, the other end of each first slide rod is respectively rotatably connected to one end of the first connecting rod, the other end of each first connecting rod is respectively rotatably connected to the slider, and the movable plate is provided with a slide rail which is connected to the slider in a horizontal direction for sliding movement.

[0010] Furthermore, the horizontal sliding direction of the first sliding rod and the horizontal sliding direction of the sliding block are perpendicular to each other.

[0011] Furthermore, a second baffle plate abutting against the first clamping plate is provided on one side of the second support plate, and the second baffle plate is close to the nut transport mechanism. A third baffle plate abutting against the first clamping plate is provided on the other side of the second support plate, and the third baffle plate is close to the positioning mechanism.

[0012] The top of the second support plate is provided with a plurality of guide rods, the top of the plurality of guide rods is provided with a fourth fixing plate, the fourth fixing plate is provided with a second electric cylinder that drives the slide plate to move in a vertical direction on the guide rod, the bottom of the plurality of guide rods is provided with a first baffle that contacts the slide plate, the slide plate is provided with a first support plate, the first support plate is provided with a plurality of clamping cylinders for clamping the fastening rods, each clamping cylinder is respectively processed with a groove inside, each clamping cylinder is respectively provided with a block that is clamped with the groove at the top of the fastening rod, the first support plate is processed with a plurality of third sliding holes movably connected with the clamping cylinder, the first support plate is provided with a plurality of fifth fixing plates located above the clamping cylinder, each clamping cylinder is respectively provided with a third sliding rod connected to the fifth fixing plate in a horizontal direction on both sides, each third sliding rod is respectively provided with a second spring, one end of each second spring is respectively fixedly connected to the fifth fixing plate, and the other end of each second spring is respectively fixedly connected to the clamping cylinder.

[0013] Furthermore, the positioning mechanism is as follows: a sixth support frame is arranged on the second support plate, a third electric cylinder is arranged on the second support plate to drive the sixth support frame to slide along the vertical direction on the second support plate, the sixth support frame is fixedly connected to the positioning plate through a fourth connecting rod, and fifth through holes that are interconnected with the fourth through holes of the automobile panel are respectively processed at the four corners of the positioning plate, the fourth connecting rod is slidably connected to the second support plate in the vertical direction, an automobile panel is placed on the positioning plate, a contact plate that contacts the first contact wheel is arranged on one side of the positioning plate, a second inclined surface and a vertical surface that contact the first contact wheel are processed on the contact plate, positioning rods are slidably connected to the two sides of the sixth support frame in the vertical direction, one end of each positioning rod contacts the bottom end of the fastening rod, and each fixing The third spring is respectively arranged on the positioning rods, one end of each third spring is respectively fixedly connected to the sixth supporting frame, and the other end of each third spring is respectively fixedly connected to the positioning rod, and the sixth supporting frame is respectively provided with a fourth electric cylinder driving the second sliding plate to slide in a vertical direction, and the second sliding plate is processed with a fifth sliding hole which is slidably connected to the third connecting rod in an inclined direction, and the fifth sliding hole is an inclined sliding hole, and a fourth sliding hole which is slidably connected to the fourth sliding rod in a horizontal direction is processed on one side of the sixth supporting frame, and the two fourth sliding rods are fixedly connected by the third connecting rod. Each fourth sliding rod is respectively provided with a second clamping plate which clamps the fastening rod and drives the fastening rod to slide in the fourth through hole of the automobile panel in the vertical direction, and the fourth sliding rods on the same side are connected by the second connecting rod.

[0014] Furthermore, each of the second clamping plates is processed with a third inclined surface, the bottom of the fastening rod is processed with a sliding groove slidably connected to the second clamping plate, and the bottom of each sliding groove is processed with a fifth inclined surface that conflicts with the third inclined surface.

[0015] The beneficial effects of the present invention are as follows: (1) The present invention adopts an electric suction cup to clamp the automobile panel on the conveyor belt and place the automobile panel on the positioning plate for preliminary positioning; the nut transport mechanism places multiple nuts respectively above the fourth through hole of the automobile panel; the fastening rod transport mechanism places multiple fastening rods respectively inside the nut, the fourth through hole of the automobile panel, and the fifth through hole of the positioning plate; the positioning mechanism positions each fastening rod and nut; the welding robot mechanism welds each nut to the automobile panel respectively, ensuring the accuracy of the welding position, so that the welding nut forms a firm connection on the panel, enhancing the strength and stability of the overall structure, and at the same time ensuring that the nut is not easy to loosen during use, reducing the risk of later maintenance and failure, reducing assembly time and steps, reducing labor costs, and improving the overall efficiency and quality of the welding workstation.

[0016] (2) The present invention adopts the method of moving the third inclined surface of each second clamping plate until it contacts the fifth inclined surface at the bottom of the slide groove on the fastening rod, thereby driving the fastening rod to move downward in the vertical direction inside the nut, the fourth through hole of the automobile panel, and the fifth through hole of the positioning plate. The fastening rod positions the nut and the fourth through hole of the automobile panel, and the nut and the automobile panel are not easy to move during the welding process. The present invention has the advantages of precise positioning and guaranteed welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an embodiment of an automobile parts welding workstation of the present invention.

[0018] Figure 2 yes Figure 1 Schematic diagram of the structure from another angle.

[0019] Figure 3 It is a structural schematic diagram of a conveyor belt, a welding robot mechanism, a transport robot mechanism, a nut transport mechanism, and a fastening rod transport mechanism.

[0020] Figure 4 yes Figure 3 Schematic diagram of the structure from another angle.

[0021] Figure 5 It is a structural diagram of the welding robot mechanism.

[0022] Figure 6 yes Figure 5 Schematic diagram of the structure from another angle.

[0023] Figure 7 It is a structural diagram of the transport robot mechanism.

[0024] Figure 8 This is a structural diagram of the transport robot mechanism from another angle.

[0025] Fig. 9 It is a structural schematic diagram of a nut transport mechanism, a fastening rod transport mechanism, and a positioning mechanism.

[0026] Fig.10 yes Fig. 9 Schematic diagram of the structure from another angle.

[0027] Fig.11 It is a structural diagram of automobile panels.

[0028] Fig.12 It is a structural diagram of the nut transport mechanism.

[0029] Fig.13 It is a schematic diagram of the parts structure on the second fixed plate.

[0030] Fig.14 It is a schematic diagram of the parts structure on the clamping rod and the first sliding rod.

[0031] Fig.15 It is a schematic diagram of the bottom structure of the moving plate.

[0032] Fig.16 It is a structural schematic diagram of the fastening rod transport mechanism.

[0033] Fig.17 It is a schematic diagram of the internal structure of the clamping cylinder.

[0034] Fig.18 It is a structural schematic diagram of the fastening rod.

[0035] Fig.19 It is a structural diagram of the positioning mechanism.

[0036] Fig. 20 yes Fig.19 Schematic diagram of the structure from another angle.

[0037] Fig.21 It is a schematic diagram of the parts structure on the sixth support frame.

[0038] Fig. 22 It is a structural schematic diagram of a positioning plate, a fourth connecting rod and a sixth supporting frame.

[0039] Fig.23 It is a structural schematic diagram of a third connecting rod, a second connecting rod, a fourth sliding rod and a second clamping plate.

[0040] 1. Working guardrail; 2. Feed inlet; 3. Conveyor belt; 4. First support frame; 5. Discharge port; 6. Welding robot mechanism; 601. First fixed plate; 602. Welding gun; 603. Second support frame; 604. Second fixed plate; 605. First mechanical arm; 606. First support shell; 607. Second mechanical arm; 608. Second support shell; 609. First base; 610. Third support frame; 7. Transport robot mechanism; 701. Fixed rod; 702. Electric suction cup; 703. First fixed plate; 704. Third fixed plate; 705. Fourth support frame; 706. Fourth fixed plate; 707. Third mechanical arm; 708. Third support shell; 709. Fourth Robotic arm; 710, fourth supporting shell; 711, second base; 712, fifth supporting frame; 8, nut transport mechanism; 801, first sliding plate; 802, push rod; 803, fixed cylinder; 804, first electric cylinder; 805, second fixed plate; 806, moving plate; 807, first clamping plate; 808, first motor; 809, first gear; 810, slide rail; 811, first through hole; 812, second gear; 813, first connecting rod; 814, clamping rod; 815, first contact wheel; 816, first slide rod; 817, second contact wheel; 818, slider; 819, sleeve; 820, second slide rod; 821, third fixed plate; 822, first spring; 823, first an inclined surface; 824, a fixed block; 825, a first sliding hole; 826, a second through hole; 827, a third through hole; 828, a second sliding hole; 829, a fixed guide plate; 830, a horizontal side surface; 9, a fastening rod transport mechanism; 901, a guide rod; 902, a slide plate; 903, a fourth fixed plate; 904, a first support plate; 905, a fifth fixed plate; 906, a third sliding rod; 907, a second spring; 908, a clamping cylinder; 909, a groove; 910, a block; 911, a first baffle; 912, a second electric cylinder; 913, a third sliding hole; 10, a positioning mechanism; 1001, a positioning plate; 1002, a contact plate; 1003, a fourth sliding hole; 1004, a second connecting rod; 1005, Positioning rod; 1006, third spring; 1007, third electric cylinder; 1008, third connecting rod; 1009, second sliding plate; 1010, fifth sliding hole; 1011, fourth electric cylinder; 1012, second clamping plate; 1013, second inclined surface; 1014, vertical surface; 1015, fourth connecting rod; 1016, sixth support frame; 1017, third inclined surface; 1018, fourth sliding rod; 1019, fifth through hole; 11, second motor; 12, automobile panel; 13, second support plate; 14, seventh support frame; 15, second baffle; 16, third baffle; 17, nut; 18, fastening rod; 19, slot; 20, slide slot; 21, fifth inclined surface; 22, fourth through hole. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0042] like Figures 1 to 4 , Fig.11 , Fig.18 As shown, the automobile parts welding workstation of this embodiment is composed of a work guardrail 1, a feed port 2, a conveyor belt 3, a first support frame 4, a discharge port 5, a welding robot mechanism 6, a transport robot mechanism 7, a nut transport mechanism 8, a fastening rod transport mechanism 9, a positioning mechanism 10, a second motor 11, an automobile panel 12, a second support plate 13, a seventh support frame 14, a second baffle 15, a third baffle 16, a nut 17, a fastening rod 18, a slot 19, a slide groove 20, a fifth inclined surface 21, and a fourth through hole 22.

[0043] A feed port 2 is processed on one side of the working protective fence 1, and a discharge port 5 is processed on the other side of the working protective fence 1. A first support frame 4 is arranged inside the working protective fence 1, and a first transmission shaft and a second transmission shaft are rotatably installed on both sides of the first support frame 4. The first transmission shaft is connected to the second transmission shaft through a transmission belt 3. An automobile panel 12 is placed on the transmission belt 3, and fourth through holes 22 are processed on the four corners of the automobile panel 12. A second motor 11 for driving the first transmission shaft to rotate is arranged on the first support frame 4, and the inlet end of the transmission belt 3 is close to the feed port 2 on the working protective fence 1, and the outlet end of the transmission belt 3 is close to the discharge port 5 of the working protective fence 1.

[0044] A seventh support frame 14 is provided inside the working guardrail 1 and is located on one side of the conveyor belt 3. A nut transport mechanism 8 is provided on one side of the seventh support frame 14 and is used to transport a plurality of nuts 17 to the fourth through holes 22 of the automobile panel 12. A second support plate 13 is provided on the other side of the seventh support frame 14. A fastening rod transport mechanism 9 is provided on the second support plate 13 and is used to transport a plurality of fastening rods 18 to the through holes of the nuts 17 on the automobile panel 12. A positioning mechanism 10 is provided on the second support plate 13 and is located below the fastening rod transport mechanism 9. The positioning mechanism 10 positions each corresponding automobile panel. The fourth through hole 22 of 12, the fastening rod 18 and the nut 17 are positioned, and a transport robot mechanism 7 is arranged inside the working protective fence 1 close to one side of the positioning mechanism 10. The transport robot mechanism 7 clamps and transports the automobile panel 12 on the conveyor belt 3 and places it on the positioning mechanism 10. A welding robot mechanism 6 is arranged inside the working protective fence 1 close to the other side of the positioning mechanism 10. The welding robot mechanism 6 welds each nut 17 to the automobile panel 12 respectively, and the transport robot mechanism 7 clamps and transports the welded automobile panel 12 and places it on the conveyor belt 3 for transportation and discharge.

[0045] like Figures 5 and 6 As shown, the welding robot mechanism 6 is composed of a first fixed plate 601, a welding gun 602, a second support frame 603, a second fixed plate 604, a first robotic arm 605, a first support shell 606, a second robotic arm 607, a second support shell 608, a first base 609, and a third support frame 610.

[0046] The welding robot mechanism 6 is as follows: a first base 609 is arranged inside the working guardrail 1, a third motor for driving the second supporting shell 608 to rotate is arranged on the first base 609, a third supporting frame 610 is arranged on the second supporting shell 608, a fourth motor for driving the second mechanical arm 607 to swing is arranged on the second supporting shell 608, the second mechanical arm 607 is rotatably connected to the third supporting frame 610, a first supporting shell 606 is arranged at one end of the second mechanical arm 607, a fifth motor for driving the first mechanical arm 605 to rotate is arranged on the first supporting shell 606, a second fixed plate 604 is arranged at one end of the first mechanical arm 605, a sixth motor for driving the first fixed plate 601 to swing is arranged on the second fixed plate 604, a second supporting frame 603 rotatably connected to the first fixed plate 601 is arranged on the second fixed plate 604, a seventh motor for driving the first fixed plate 601 to rotate is arranged on the second supporting frame 603, and a welding gun 602 for welding the nut 17 and the automobile panel 12 is arranged on the first fixed plate 601.

[0047] like Figures 7 and 8 As shown, the transport robot mechanism 7 is composed of a fixed rod 701, an electric suction cup 702, a first fixed plate 703, a third fixed plate 704, a fourth support frame 705, a fourth fixed plate 706, a third robotic arm 707, a third support shell 708, a fourth robotic arm 709, a fourth support shell 710, a second base 711, and a fifth support frame 712.

[0048] The transport robot mechanism 7 is as follows: a second base 711 is arranged inside the working protection fence 1, an eighth motor for driving the fourth support shell 710 to rotate is arranged on the second base 711, a fifth support frame 712 is arranged on the fourth support shell 710, a ninth motor for driving the fourth mechanical arm 709 to swing is arranged on the fourth support shell 710, the fourth mechanical arm 709 is rotatably connected to the fifth support frame 712, a third support shell 708 is arranged at one end of the fourth mechanical arm 709, and a tenth motor for driving the third mechanical arm 707 to rotate is arranged on the third support shell 708, and the third A fourth fixed disk 706 is provided at one end of the robotic arm 707, an eleventh motor is provided on the fourth fixed disk 706 for driving the third fixed disk 704 to swing, a fourth support frame 705 is provided on the fourth fixed disk 706 for rotationally connected to the third fixed disk 704, a twelfth motor is provided on the third fixed disk 704 for driving the third fixed disk 704 to rotate, a first fixed plate 703 is provided on the third fixed disk 704, a plurality of fixed rods 701 are provided on the first fixed plate 703, and each fixed rod 701 is respectively provided with an electric suction cup 702 for sucking the automobile panel 12.

[0049] like Figures 9 to 15 As shown, the nut transport mechanism 8 is composed of a first sliding plate 801, a push rod 802, a fixed cylinder 803, a first electric cylinder 804, a second fixed plate 805, a movable plate 806, a first clamping plate 807, a first motor 808, a first gear 809, a slide rail 810, a first through hole 811, a second gear 812, a first connecting rod 813, a clamping rod 814, a first contact wheel 815, a first slide bar 816, a second contact wheel 817, a slider 818, a sleeve 819, a second slide bar 820, a third fixed plate 821, a first spring 822, a first inclined surface 823, a fixed block 824, a first slide hole 825, a second through hole 826, a third through hole 827, a second slide hole 828, a fixed guide plate 829, and a horizontal side surface 830.

[0050] The nut transport mechanism 8 is as follows: a plurality of fixed cylinders 803 are arranged on the seventh support frame 14, and a plurality of nuts 17 are stored in each fixed cylinder 803 along the vertical direction; a first electric cylinder 804 is arranged on the seventh support frame 14, and the output shaft of the first electric cylinder 804 is fixedly connected to the first sliding plate 801, and a plurality of ejector rods 802 for ejecting the nuts 17 in the fixed cylinder 803 are arranged on the first sliding plate 801; a second fixed plate 805 is arranged on the top of the plurality of fixed cylinders 803, and a plurality of nuts 17 are stored in each fixed cylinder 803 along the vertical direction; ... The second through hole 826 at the top outlet end of 803 is interconnected, a first motor 808 driving the first gear 809 to rotate is arranged on the second support plate 13, the first gear 809 is rotatably connected to the second support plate 13, a first clamping plate 807 is rotatably mounted on the second support plate 13, a second gear 812 meshing and transmitting with the first gear 809 is arranged at the bottom of the first clamping plate 807, the first clamping plate 807 is fixedly connected to the moving plate 806, the moving plate 806 is located above the second fixed plate 805, and a plurality of fixed blocks are arranged at the bottom of the moving plate 806 824, each fixed block 824 is respectively processed with a third through hole 827 interconnected with the second through hole 826, and the movable plate 806 is processed with a plurality of first through holes 811 respectively interconnected with the third through holes 827, and each fixed block 824 is respectively processed with a first sliding hole 825 connected to the clamping rod 814 in a horizontal direction, and each clamping rod 814 clamps the nut 17 in the third through hole 827, and the movable plate 806 is processed with a plurality of second sliding holes 828 respectively connected to the second contact wheel 817 in a sliding manner, and each second contact wheel 817 is respectively connected to the second contact wheel 817. The contact wheels 817 are fixedly sleeved inside the sleeves 819, one side of each sleeve 819 is fixedly connected to the clamping rod 814, the other side of each sleeve 819 is fixedly connected to the second slide bar 820, each second slide bar 820 is slidingly connected to the third fixed plate 821 at the bottom of the movable plate 806 in a horizontal direction, and each second slide bar 820 is provided with a first spring 822, one end of each first spring 822 is fixedly connected to the sleeve 819, and the other end of each first spring 822 is fixedly connected to the third fixed plate 821.

[0051] The movable plate 806 is provided with a plurality of fixed guide plates 829 respectively connected to the first slide bar 816 in a horizontal sliding direction, and each first slide bar 816 is processed with a first inclined surface 823 and a horizontal side surface 830 respectively connected to the second contact wheel 817 in a sliding manner on one side, and each first slide bar 816 is provided with a first contact wheel 815 in contact with the positioning mechanism 10 at one end, and each first slide bar 816 is rotatably connected to one end of the first connecting rod 813 at the other end, and each first connecting rod 813 is rotatably connected to the slider 818 at the other end, and the movable plate 806 is provided with a slide rail 810 connected to the slider 818 in a horizontal sliding direction. The horizontal sliding direction of the first slide bar 816 is perpendicular to the horizontal sliding direction of the slider 818.

[0052] like Fig. 9 As shown, a second baffle 15 that contacts the first clamping plate 807 is provided on one side of the second support plate 13, and the second baffle 15 is close to the nut transport mechanism 8. A third baffle 16 that contacts the first clamping plate 807 is provided on the other side of the second support plate 13, and the third baffle 16 is close to the positioning mechanism 10.

[0053] like Figures 16 to 18 As shown, the fastening rod transport mechanism 9 is composed of a guide rod 901, a slide plate 902, a fourth fixed plate 903, a first support plate 904, a fifth fixed plate 905, a third slide bar 906, a second spring 907, a clamping cylinder 908, a groove 909, a block 910, a first baffle 911, a second electric cylinder 912, and a third slide hole 913.

[0054] The fastening rod transport mechanism 9 comprises: a plurality of guide rods 901 are arranged at the upper end of the second support plate 13, a fourth fixing plate 903 is arranged at the top of the plurality of guide rods 901, a second electric cylinder 912 is arranged on the fourth fixing plate 903 to drive the slide plate 902 to move in the vertical direction on the guide rod 901, a first baffle plate 911 is arranged at the bottom of the plurality of guide rods 901 to abut against the slide plate 902, a first support plate 904 is arranged on the slide plate 902, a plurality of clamping cylinders 908 for clamping the fastening rod 18 are arranged on the first support plate 904, each clamping cylinder 908 is respectively processed with a groove 909, and each groove 909 is respectively arranged There is a block 910 that is engaged with the slot 19 at the top of the fastening rod 18, and a plurality of third sliding holes 913 that are movably connected to the clamping cylinder 908 are processed on the first support plate 904. A plurality of fifth fixed plates 905 located above the clamping cylinder 908 are arranged on the first support plate 904, and third sliding rods 906 that are slidably connected to the fifth fixed plate 905 along the horizontal direction are respectively arranged on both sides of each clamping cylinder 908. A second spring 907 is respectively arranged on each third sliding rod 906, and one end of each second spring 907 is respectively fixedly connected to the fifth fixed plate 905, and the other end of each second spring 907 is respectively fixedly connected to the clamping cylinder 908.

[0055] like Figures 19 to 23 As shown, the positioning mechanism 10 is composed of a positioning plate 1001, a contact plate 1002, a fourth sliding hole 1003, a second connecting rod 1004, a positioning rod 1005, a third spring 1006, a third electric cylinder 1007, a third connecting rod 1008, a second sliding plate 1009, a fifth sliding hole 1010, a fourth electric cylinder 1011, a second clamping plate 1012, a second inclined surface 1013, a vertical surface 1014, a fourth connecting rod 1015, a sixth support frame 1016, a third inclined surface 1017, a fourth sliding rod 1018, and a fifth through hole 1019.

[0056] The positioning mechanism 10 comprises: a sixth support frame 1016 is arranged on the second support plate 13, a third electric cylinder 1007 is arranged on the second support plate 13 to drive the sixth support frame 1016 to slide on the second support plate 13 in a vertical direction, the sixth support frame 1016 is fixedly connected to the positioning plate 1001 through a fourth connecting rod 1015, and the four corners of the positioning plate 1001 are respectively processed with fifth through holes 1019 that are interconnected with the fourth through holes 22 of the automobile panel 12, and the fourth connecting rod 1015 is connected to the second support plate 13. The plate 13 is slidably connected in the vertical direction, and the automobile panel 12 is placed on the positioning plate 1001. A contact plate 1002 that contacts the first contact wheel 815 is arranged on one side of the positioning plate 1001. The contact plate 1002 is processed with a second inclined surface 1013 and a vertical surface 1014 that contact the first contact wheel 815. The sixth support frame 1016 is slidably connected with positioning rods 1005 on both sides along the vertical direction, and one end of each positioning rod 1005 contacts the bottom end of the fastening rod 18, and each positioning rod 1005 contacts the bottom end of the fastening rod 18. 05 are respectively provided with third springs 1006, one end of each third spring 1006 is respectively fixedly connected to the sixth support frame 1016, and the other end of each third spring 1006 is respectively fixedly connected to the positioning rod 1005, and the sixth support frame 1016 is provided with a fourth electric cylinder 1011 that drives the second sliding plate 1009 to slide along the vertical direction, and the second sliding plate 1009 is processed with a fifth sliding hole 1010 that is slidably connected to the third connecting rod 1008 along the inclined direction, and the fifth sliding hole 1011 0 is an inclined sliding hole, a fourth sliding hole 1003 is processed on one side of the sixth support frame 1016 and is slidably connected to the fourth sliding rod 1018 along the horizontal direction, the two fourth sliding rods 1018 are fixedly connected by a third connecting rod 1008, and each fourth sliding rod 1018 is respectively provided with a second clamping plate 1012 for clamping the fastening rod 18 and driving the fastening rod 18 to slide in the fourth through hole 22 of the automobile panel 12 along the vertical direction, and the fourth sliding rods 1018 on the same side are connected by the second connecting rod 1004.

[0057] Each second clamping plate 1012 is processed with a third inclined surface 1017 , and the bottom of the fastening rod 18 is processed with a sliding groove 20 slidably connected to the second clamping plate 1012 . The bottom of each sliding groove 20 is processed with a fifth inclined surface 21 that contacts the third inclined surface 1017 .

[0058] The working principle of this embodiment is as follows: (1) Preliminary positioning of the automobile panel 12: the automobile panel 12 is placed on the conveyor belt 3, the electric suction cup 702 clamps the automobile panel 12 on the conveyor belt 3 and places the automobile panel 12 on the positioning plate 1001 for preliminary positioning, and the fourth through holes 22 at the four corners of the automobile panel 12 are respectively located directly above the fifth through holes 1019 of the positioning plate 1001.

[0059] (2) The nut transport mechanism 8 places the plurality of nuts 17 above the fourth through hole 22 of the automobile panel 12 respectively: the output end of the first electric cylinder 804 drives the push rod 802 to slide in the vertical direction in the fixed cylinder 803 through the first sliding plate 801, and the push rod 802 pushes out the nut 17 at the top of the fixed cylinder 803, and the nut 17 enters the third through hole 827 of the fixed block 824. Under the action of the first spring 822, the clamping rod 814 slides in the horizontal direction in the first sliding hole 825 of the fixed block 824, and the clamping rod 814 clamps the nut 17 in the third through hole 827. The second abutting wheel 817 abuts against the horizontal side surface 830 of the first sliding rod 816, and the output shaft of the first motor 808 drives the first gear 80 9 rotates on the second supporting plate 13, the first gear 809 drives the second gear 812 to rotate by meshing with the second gear 812, the second gear 812 drives the movable plate 806 to rotate through the first clamping plate 807, the first clamping plate 807 rotates to contact with the third baffle plate 16, the movable plate 806 moves to the top of the automobile panel 12, when the first contact wheel 815 moves to contact with the second inclined surface 1013 of the contact plate 1002, the nut 17 in each third through hole 827 at the bottom of the movable plate 806 moves to the top of each fourth through hole 22 on the automobile panel 12, and in the initial state, the positioning rod 1005 is located in the fourth through hole 22 of the automobile panel 12 and the fifth through hole 1019 of the positioning plate 1001.

[0060] The output end of the third electric cylinder 1007 drives the sixth support frame 1016 to move in the vertical direction on the second support plate 13, and the sixth support frame 1016 drives the positioning plate 1001 to move upward in the vertical direction through the fourth connecting rod 1015. The fourth connecting rod 1015 moves upward in the vertical direction on the second support plate 13, and the positioning plate 1001 drives the contact plate 1002 to move upward in the vertical direction. The vertical surface 1014 of the contact plate 1002 moves until it contacts the first contact wheel 815, and the first contact wheel 815 drives the first slide bar 816 to slide in the fixed guide plate 829 in the horizontal direction. The first slide bar 816 is driven by the first connecting rod 813 The movable slider 818 slides in the horizontal direction on the slide rail 810. The horizontal sliding direction of the slider 818 is perpendicular to the horizontal sliding direction of the first slide bar 816. The first inclined surface 823 of the first slide bar 816 moves to contact with the second interference wheel 817. The second interference wheel 817 drives the clamping rod 814 to slide in the first sliding hole 825 of the fixed block 824 through the sleeve 819. The clamping rod 814 is separated from the nut 17 in the third through hole 827. The nut 17 in the third through hole 827 falls above the fourth through hole 22 of the automobile panel 12. At the same time, the nut 17 falls and is sleeved on the outer circumference of the positioning rod 1005 to perform preliminary positioning of the nut 17.

[0061] (3) The fastening rod transport mechanism 9 places the plurality of fastening rods 18 inside the nut 17, the fourth through hole 22 of the automobile panel 12, and the fifth through hole 1019 of the positioning plate 1001 respectively: the output end of the second electric cylinder 912 drives the slide plate 902 to slide on the guide rod 901 in the vertical direction, and the slide plate 902 drives the plurality of fastening rods 18 on the first support plate 904 to move in the vertical direction. The slide plate 902 moves until it contacts the top of the first baffle plate 911, and the fastening rod 18 moves to the inside of the nut 17 and the fourth through hole 22 of the automobile panel 12, and the fifth through hole 1019 of the positioning plate 1001. At the same time, the bottom of the fastening rod 18 moves until it contacts the top of the positioning rod 1005. Under the action of the third spring 1006, the positioning rod 1005 moves downward in the vertical direction on the sixth support frame 1016.

[0062] (4) The positioning mechanism 10 positions each fastening rod 18 and nut 17: the output end of the fourth electric cylinder 1011 drives the second sliding plate 1009 to move upward in the vertical direction, the third connecting rod 1008 slides in the fifth sliding hole 1010 of the second sliding plate 1009 in the inclined direction, the third connecting rod 1008 drives the fourth sliding rods 1018 on both sides to slide in the fourth sliding hole 1003 of the sixth support frame 1016 in the horizontal direction, each fourth sliding rod 1018 drives the second clamping plate 1012 to slide in the horizontal direction, and each fourth sliding rod 1018 drives the second clamping plate 1012 to slide in the horizontal direction. The third inclined surface 1017 of the second clamping plate 1012 moves to contact the fifth inclined surface 21 at the bottom of the slide groove 20 on the fastening rod 18, thereby driving the fastening rod 18 to move downward in the vertical direction inside the nut 17, the fourth through hole 22 of the automobile panel 12, and the fifth through hole 1019 of the positioning plate 1001. The fastening rod 18 positions the nut 17 and the fourth through hole 22 of the automobile panel 12. Similar to the above working principle, the second electric cylinder 912 drives the slide plate 902 to move upward in the vertical direction, and the slot 19 on the fastening rod 18 is separated from the block 910.

[0063] (5) The welding robot mechanism 6 welds each nut 17 to the automobile panel 12 respectively: the welding gun 602 on the welding robot mechanism 6 welds the multiple nuts 17 to the automobile panel 12 in turn. After the welding is completed, the fastening rod transportation mechanism 9 clamps the fastening rod 18 and drives the fastening rod 18 to separate from the inside of the nut 17. The transportation robot mechanism 7 clamps and transports the welded automobile panel 12 and places it on the conveyor belt 3 for transportation and discharge.

[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. An automobile parts welding workstation, characterized in that: A feed port (2) is processed on one side of the working guardrail (1), and a discharge port (5) is processed on the other side of the working guardrail (1); a first support frame (4) is arranged inside the working guardrail (1); a first transmission shaft and a second transmission shaft are rotatably mounted on both sides of the first support frame (4); the first transmission shaft is connected to the second transmission shaft through a transmission belt (3); an automobile panel (12) is placed on the transmission belt (3); four corners of the automobile panel (12) are respectively processed with fourth through holes (22); a second motor (11) for driving the first transmission shaft to rotate is arranged on the first support frame (4); an inlet end of the transmission belt (3) is close to the feed port (2) on the working guardrail (1), and an outlet end of the transmission belt (3) is close to the discharge port (5) of the working guardrail (1); A seventh support frame (14) located on one side of the conveyor belt (3) is arranged inside the working guardrail (1), a nut transport mechanism (8) for transporting a plurality of nuts (17) to the top of a fourth through hole (22) of an automobile panel (12) is arranged on one side of the seventh support frame (14), a second support plate (13) is arranged on the other side of the seventh support frame (14), a fastening rod transport mechanism (9) for transporting a plurality of fastening rods (18) to the inside of through holes of nuts (17) on the automobile panel (12) is arranged on the second support plate (13), a positioning mechanism (10) located below the fastening rod transport mechanism (9) is arranged on the second support plate (13), and the positioning mechanism (10) positions each corresponding automobile panel ( The fourth through hole (22), the fastening rod (18) and the nut (17) of the work guardrail (1) are positioned, a transport robot mechanism (7) is arranged inside the work guardrail (1) near one side of the positioning mechanism (10), the transport robot mechanism (7) clamps and transports the automobile panel (12) on the conveyor belt (3) and places it on the positioning mechanism (10), a welding robot mechanism (6) is arranged inside the work guardrail (1) near the other side of the positioning mechanism (10), the welding robot mechanism (6) welds each nut (17) to the automobile panel (12), and the transport robot mechanism (7) clamps and transports the welded automobile panel (12) and places it on the conveyor belt (3) for transportation and discharge; The nut transport mechanism (8) comprises: a plurality of fixed cylinders (803) are arranged on the seventh support frame (14), each fixed cylinder (803) stores a plurality of nuts (17) in a vertical direction, a first electric cylinder (804) is arranged on the seventh support frame (14), an output shaft of the first electric cylinder (804) is fixedly connected to a first sliding plate (801), a plurality of ejector rods (802) for ejecting the nuts (17) in the fixed cylinders (803) are arranged on the first sliding plate (801), a second fixed plate (805) is arranged on the top of the plurality of fixed cylinders (803), and a plurality of nuts (17) are respectively connected to the fixed cylinders (803) and the second fixed plate (805) are processed. A second through hole (826) is connected to the outlet end of the top of the fixed cylinder (803), a first motor (808) is provided on the second support plate (13) for driving the first gear (809) to rotate, the first gear (809) is rotatably connected to the second support plate (13), a first clamping plate (807) is rotatably mounted on the second support plate (13), a second gear (812) meshing with the first gear (809) is provided at the bottom of the first clamping plate (807), the first clamping plate (807) is fixedly connected to the movable plate (806), the movable plate (806) is located above the second fixed plate (805), and a plurality of A plurality of fixed blocks (824) are formed on each fixed block (824), each fixed block (824) is respectively connected to a third through hole (827) interconnected with the second through hole (826), a plurality of first through holes (811) are respectively connected to the third through holes (827) on the movable plate (806), a first sliding hole (825) is respectively formed on one side of each fixed block (824) and is slidably connected to a clamping rod (814) in a horizontal direction, each clamping rod (814) is respectively clamped to a nut (17) in the third through hole (827), a plurality of second sliding holes (828) are respectively slidably connected to a second abutting wheel (817) on the movable plate (806), and each The second abutment wheels (817) are respectively fixedly sleeved with the inside of the sleeves (819); one side of each sleeve (819) is respectively fixedly connected with the clamping rod (814); the other side of each sleeve (819) is respectively fixedly connected with the second slide bar (820); each second slide bar (820) is respectively slidably connected with the third fixed plate (821) at the bottom of the movable plate (806) along the horizontal direction; each second slide bar (820) is respectively provided with a first spring (822); one end of each first spring (822) is respectively fixedly connected with the sleeve (819); the other end of each first spring (822) is respectively fixedly connected with the third fixed plate (821); The movable plate (806) is provided with a plurality of fixed guide plates (829) which are respectively connected to the first slide bars (816) in a sliding manner in the horizontal direction. One side of each first slide bar (816) is respectively processed with a first inclined surface (823) and a horizontal side surface (830) which are in contact with and slidingly connected to the second contact wheel (817). One end of each first slide bar (816) is respectively provided with a first contact wheel (815) which is in contact with the positioning mechanism (10). The other end of each first slide bar (816) is respectively connected to one end of the first connecting rod (813) in rotation. The other end of each first connecting rod (813) is respectively connected to the slider (818) in rotation. The movable plate (806) is provided with a slide rail (810) which is connected to the slider (818) in a sliding manner in the horizontal direction.

2. The automobile parts welding workstation according to claim 1, characterized in that: The welding robot mechanism (6) comprises: a first base (609) is arranged inside the working protection fence (1); a third motor for driving a second supporting shell (608) to rotate is arranged on the first base (609); a third supporting frame (610) is arranged on the second supporting shell (608); a fourth motor for driving a second mechanical arm (607) to swing is arranged on the second supporting shell (608); the second mechanical arm (607) is rotatably connected to the third supporting frame (610); a first supporting shell (606) is arranged at one end of the second mechanical arm (607); A fifth motor for driving the first mechanical arm (605) to rotate is arranged, a second fixed disk (604) is arranged at one end of the first mechanical arm (605), a sixth motor for driving the first fixed disk (601) to swing is arranged on the second fixed disk (604), a second support frame (603) rotatably connected to the first fixed disk (601) is arranged on the second fixed disk (604), a seventh motor for driving the first fixed disk (601) to rotate is arranged on the second support frame (603), and a welding gun (602) for welding the nut (17) and the automobile panel (12) is arranged on the first fixed disk (601).

3. The automobile parts welding workstation according to claim 1, characterized in that: The transport robot mechanism (7) is as follows: a second base (711) is arranged inside the working protection fence (1); an eighth motor for driving a fourth support shell (710) to rotate is arranged on the second base (711); a fifth support frame (712) is arranged on the fourth support shell (710); a ninth motor for driving a fourth mechanical arm (709) to swing is arranged on the fourth support shell (710); the fourth mechanical arm (709) is rotatably connected to the fifth support frame (712); a third support shell (708) is arranged at one end of the fourth mechanical arm (709); a tenth motor for driving a third mechanical arm (707) to rotate is arranged on the third support shell (708); A fourth fixed disk (706) is disposed at one end of the mechanical arm (707); an eleventh motor for driving the third fixed disk (704) to swing is disposed on the fourth fixed disk (706); a fourth support frame (705) rotatably connected to the third fixed disk (704) is disposed on the fourth fixed disk (706); a twelfth motor for driving the third fixed disk (704) to rotate is disposed on the third fixed disk (704); a first fixed plate (703) is disposed on the third fixed disk (704); a plurality of fixed rods (701) are disposed on the first fixed plate (703); and each fixed rod (701) is respectively provided with an electric suction cup (702) for sucking the automobile panel (12).

4. The automobile parts welding workstation according to claim 1, characterized in that: The horizontal sliding direction of the first sliding rod (816) and the horizontal sliding direction of the sliding block (818) are perpendicular to each other.

5. The automobile parts welding workstation according to claim 1, characterized in that: A second baffle plate (15) abutting against the first clamping plate (807) is provided on one side of the second support plate (13), and the second baffle plate (15) is close to one side of the nut transport mechanism (8). A third baffle plate (16) abutting against the first clamping plate (807) is provided on the other side of the second support plate (13), and the third baffle plate (16) is close to one side of the positioning mechanism (10).

6. The automobile parts welding workstation according to claim 1, characterized in that: The fastening rod transport mechanism (9) comprises: a plurality of guide rods (901) are arranged at the upper end of the second support plate (13); a fourth fixing plate (903) is arranged at the top of the plurality of guide rods (901); a second electric cylinder (912) is arranged on the fourth fixing plate (903) for driving the slide plate (902) to move along the guide rod (901) in a vertical direction; a first baffle plate (911) is arranged at the bottom of the plurality of guide rods (901) for contacting the slide plate (902); a first support plate (904) is arranged on the slide plate (902); a plurality of clamping cylinders (908) for clamping the fastening rods (18) are arranged on the first support plate (904); a groove (909) is machined inside each clamping cylinder (908); and each groove (909) has a plurality of clamping cylinders (908) for clamping the fastening rods (18). A clamping block (910) is provided to be clamped with a clamping groove (19) at the top of the fastening rod (18); a plurality of third sliding holes (913) movably connected to the clamping cylinder (908) are processed on the first support plate (904); a plurality of fifth fixing plates (905) located above the clamping cylinder (908) are provided on the first support plate (904); third sliding rods (906) are provided on both sides of each clamping cylinder (908) and are slidably connected to the fifth fixing plate (905) in a horizontal direction; a second spring (907) is provided on each third sliding rod (906); one end of each second spring (907) is fixedly connected to the fifth fixing plate (905), and the other end of each second spring (907) is fixedly connected to the clamping cylinder (908).

7. The automobile parts welding workstation according to claim 5, characterized in that: The positioning mechanism (10) comprises: a sixth support frame (1016) is arranged on the second support plate (13); a third electric cylinder (1007) is arranged on the second support plate (13) for driving the sixth support frame (1016) to slide in a vertical direction on the second support plate (13); the sixth support frame (1016) is fixedly connected to the positioning plate (1001) via a fourth connecting rod (1015); the positioning plate (1001) is respectively provided with fifth through holes (1019) at four corners thereof, the fifth through holes (1019) being interconnected with the fourth through holes (22) of the automobile panel (12); the fourth connecting rod (1015) is The sixth support frame (1016) is connected to the second support plate (13) in a sliding manner in a vertical direction. An automobile panel (12) is placed on the positioning plate (1001). A contact plate (1002) that contacts the first contact wheel (815) is provided on one side of the positioning plate (1001). A second inclined surface (1013) and a vertical surface (1014) that contact the first contact wheel (815) are processed on the contact plate (1002). Positioning rods (1005) are connected to the sixth support frame (1016) in a sliding manner in a vertical direction on both sides. One end of each positioning rod (1005) contacts the bottom end of the fastening rod (18). Each positioning rod (1005) is connected to the second support plate (13) in a sliding manner in a vertical direction. The positioning rods (1005) are respectively provided with third springs (1006), one end of each third spring (1006) is respectively fixedly connected to the sixth support frame (1016), and the other end of each third spring (1006) is respectively fixedly connected to the positioning rod (1005), and the sixth support frame (1016) is provided with a fourth electric cylinder (1011) for driving the second sliding plate (1009) to slide in a vertical direction, and the second sliding plate (1009) is processed with a fifth sliding hole (1010) that is slidably connected to the third connecting rod (1008) in an inclined direction, and the fifth sliding hole (1011) is connected to the positioning rod (1005) by the third spring. 10) is an inclined sliding hole, a fourth sliding hole (1003) is processed on one side of the sixth support frame (1016) and is connected to the fourth sliding rod (1018) in a horizontal sliding direction, and the two fourth sliding rods (1018) are fixedly connected by a third connecting rod (1008), and each fourth sliding rod (1018) is respectively provided with a second clamping plate (1012) for clamping the fastening rod (18) and driving the fastening rod (18) to slide in a vertical direction in the fourth through hole (22) of the automobile panel (12), and the fourth sliding rods (1018) on the same side are connected by a second connecting rod (1004).

8. The automobile parts welding workstation according to claim 7, characterized in that: Each of the second clamping plates (1012) is processed with a third inclined surface (1017), the bottom of the fastening rod (18) is processed with a sliding groove (20) slidably connected to the second clamping plate (1012), and the bottom of each sliding groove (20) is processed with a fifth inclined surface (21) that contacts the third inclined surface (1017).

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