A high-efficiency robot frame welding system

Abstract

The present invention proposes a high-efficiency robot frame welding system, including a workbench, a first shipping mechanism, a second shipping mechanism and a welding mechanism; the first shipping mechanism and the second shipping mechanism are both installed on the workbench and the first shipping mechanism and the second shipping mechanism are arranged oppositely; the welding mechanism is located between the first shipping mechanism and the second shipping mechanism, and the welding mechanism includes two welding robots arranged oppositely and installed on the workbench. The present invention clamps and fixes the frame respectively through the first shipping mechanism and the second shipping mechanism and transports the frame to the welding mechanism position for docking, and two welding robots perform welding processing on the docking position of the frame; the distance between the two first supporting devices of the present invention is adjustable and the distance between the two second supporting devices can also be adjusted to adapt to the welding processing work of frames of different sizes, reduce the labor intensity of workers, improve work efficiency, and is suitable for continuous production operations.

Description

Technical Field

[0001] The invention relates to the technical field of welding, and in particular to a high-efficiency robot frame welding system. Background Art

[0002] At present, the welding and handling of vehicle frames are mainly carried out by manual welding and manual handling. However, the existing manual handling has many shortcomings for automated welding, which affects the welding quality and production efficiency. Manual welding requires pre-spot welding, which makes it easy for large welding defects to occur at the spot welding points; moreover, it is impossible to complete all welds at one time during the welding process, so that for a weld consisting of multiple welds, overlaps are inevitable because the welding is not completed continuously at one time, and welding defects are prone to occur at the overlaps, so that the welding quality cannot be guaranteed and there are certain safety hazards; the uniformity of manual welding welds is poor, resulting in relatively unstable safety performance; the welding quality is often restricted by the welder's welding technology level and operating specifications, and the welding quality is unstable; the welding workload is large, the welding efficiency is low, and the labor cost is high Summary of the invention

[0003] Based on the technical problems existing in the background technology, the present invention proposes a high-efficiency robot frame welding system.

[0004] The invention provides a high-efficiency robot frame welding system, comprising a workbench, a first shipping mechanism, a second shipping mechanism and a welding mechanism;

[0005] The first shipping mechanism and the second shipping mechanism are both installed on the workbench and the first shipping mechanism is arranged opposite to the second shipping mechanism;

[0006] The first shipping mechanism includes two first supporting devices and two first driving devices, the two first supporting devices are arranged opposite to each other and the distance between the two first supporting devices is adjustable, the first supporting device includes a first fixed frame and two first shipping rods, the first fixed frame is installed on the workbench, the bottom ends of the two first shipping rods are slidably installed on the first fixed frame and a distance is left between the two first shipping rods, and a first clamping plate is installed on the top of the first shipping rod; the two first driving devices are respectively arranged in one-to-one correspondence with the two first supporting devices, and the first driving device is connected to the two first shipping rods of the first supporting device and drives the two first shipping rods to move along the length direction of the first fixed frame;

[0007] The second shipping mechanism includes two second supporting devices and two second driving devices, the two second supporting devices are arranged opposite to each other and the distance between the two second supporting devices is adjustable, the second supporting device includes a second fixed frame and two second shipping rods, the second fixed frame is installed on the workbench, the bottom ends of the two second shipping rods are slidably installed on the second fixed frame and a spacing is left between the two second shipping rods, and a second clamping plate is installed on the top of the second shipping rod; the two second driving devices are respectively arranged in one-to-one correspondence with the two second supporting devices, and the second driving devices are connected to the two second shipping rods of the second supporting device and drive the two second shipping rods to move along the length direction of the second fixed frame;

[0008] The welding mechanism is located between the first shipping mechanism and the second shipping mechanism, and comprises two welding robots which are arranged opposite to each other and installed on a workbench.

[0009] Preferably, the first fixed frame includes a first limit plate and a first fixed plate which are horizontally spaced apart from each other, both ends of the first limit plate are connected to a first vertical plate connected to the first fixed plate, the first limit plate is provided with a first limit groove which penetrates and extends along its length direction, the bottom ends of the two first shipping rods are slidably connected to the first fixed plate, and the top ends of the two first shipping rods vertically pass through the first limit groove and are slidably connected to the first limit plate.

[0010] Preferably, the first driving device includes a first synchronous wheel, a second synchronous wheel, a first synchronous belt, a first motor and two first telescopic rods. The first synchronous wheel and the second synchronous wheel are both rotatably installed on the workbench and the connecting direction of the first synchronous wheel and the second synchronous wheel is consistent with the length direction of the first limiting plate. The first synchronous belt is mounted on the first synchronous wheel and the second synchronous wheel. The first motor is connected to the first synchronous wheel in transmission. One end of the two first telescopic rods are respectively vertically connected to the two first shipping rods and the other ends of the two first telescopic rods are connected to the first synchronous belt.

[0011] Preferably, the first telescopic rod includes a first outer rod and a first inner rod, the first outer rod is connected to the first synchronous belt and the first outer rod is provided with a first telescopic groove extending from its end surface to its interior, the first inner rod is connected to the first shipping rod and extends into the first telescopic groove and is slidably connected to the first outer rod, one side of the first inner rod is provided with a first tooth portion arranged along its length direction, a first rotating shaft extending into the first telescopic groove is rotatably installed on the first outer rod, and a first gear meshing with the first tooth portion is fixed on the first rotating shaft.

[0012] Preferably, two first linear guide rails arranged in parallel and spaced apart are installed on the workbench, the length direction of the first fixed plates of the two first supporting devices is perpendicular to the extension direction of the first linear guide rails, and the two ends of the first fixed plates are respectively slidably connected to the two first linear guide rails.

[0013] Preferably, the second fixed frame includes a second limiting plate and a second fixing plate which are horizontally arranged up and down, both ends of the second limiting plate are connected to second vertical plates connected to the second fixing plate, the second limiting plate is provided with a second limiting groove which penetrates and extends along its length direction, the bottom ends of the two second shipping rods are slidably connected to the second fixing plate, and the top ends of the two second shipping rods pass through the second limiting groove and are slidably connected to the second limiting plate.

[0014] Preferably, the second driving device includes a third synchronous wheel, a fourth synchronous wheel, a second synchronous belt, a second motor and two second telescopic rods. The third synchronous wheel and the fourth synchronous wheel are rotatably installed on the workbench and the connecting direction of the third synchronous wheel and the fourth synchronous wheel is consistent with the length direction of the second limiting plate. The second synchronous belt is mounted on the third synchronous wheel and the fourth synchronous wheel, the second motor is connected to the third synchronous wheel through transmission, one end of the two second telescopic rods are respectively vertically connected to the two second shipping rods and the other ends of the two second telescopic rods are connected to the second synchronous belt.

[0015] Preferably, the second telescopic rod includes a second outer rod and a second inner rod, the second outer rod is connected to the second synchronous belt and the second outer rod is provided with a second telescopic groove extending from its end surface to its interior, the second inner rod is connected to the second shipping rod and extends into the second telescopic groove and is slidably connected to the second outer rod, one side of the second inner rod is provided with a second tooth portion arranged along its length direction, the second outer rod is rotatably mounted with a second rotating shaft extending into the second telescopic groove, and the second rotating shaft is fixed with a second gear meshing with the second tooth portion.

[0016] Preferably, two second linear guide rails arranged in parallel and spaced apart are installed on the workbench, the length direction of the second fixed plates of the two second supporting devices is perpendicular to the extension direction of the second linear guide rails, and the two ends of the second fixed plates are respectively slidably connected to the two second linear guide rails.

[0017] The present invention proposes a high-efficiency robot frame welding system, which clamps and fixes the frame through the first shipping mechanism and the second shipping mechanism respectively and transports the frame to the welding mechanism position for docking, and two welding robots perform welding processing on the docking position of the frame. The distance between the two first support devices of the present invention is adjustable and the distance between the two second support devices can also be adjusted to adapt to the welding processing of frames of different sizes, reduce the labor intensity of workers, improve work efficiency, and is suitable for continuous production operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a high-efficiency robot frame welding system proposed by the present invention;

[0019] Figure 2 This is a schematic structural diagram of a first supporting device in a high-efficiency robot frame welding system proposed by the present invention;

[0020] Figure 3 A schematic structural diagram of a first telescopic rod in a high-efficiency robot frame welding system proposed by the present invention;

[0021] Figure 4 A schematic structural diagram of a second supporting device in a high-efficiency robot frame welding system proposed by the present invention;

[0022] Figure 5 This is a schematic structural diagram of a second telescopic rod in a high-efficiency robot frame welding system proposed by the present invention. DETAILED DESCRIPTION

[0023] Reference Figure 1-Figure 5 The present invention provides a high-efficiency robot frame welding system, comprising a workbench 1, a first shipping mechanism, a second shipping mechanism and a welding mechanism; wherein:

[0024] The first shipping mechanism and the second shipping mechanism are both installed on the workbench 1 and the first shipping mechanism is arranged opposite to the second shipping mechanism.

[0025] The first shipping mechanism includes two first supporting devices and two first driving devices. The two first supporting devices are arranged oppositely and the distance between the two first supporting devices is adjustable. The first supporting device includes a first fixed frame and two first shipping rods 2; the first fixed frame includes a first limiting plate 7 and a first fixed plate 8 arranged horizontally and spaced apart from each other. Both ends of the first limiting plate 7 are connected to a first vertical plate 9 connected to the first fixed plate 8. The first limiting plate 7 is provided with a first limiting groove 10 that penetrates and extends along its length direction; the bottom ends of the two first shipping rods 2 are slidably connected to the first fixed plate 8 and a spacing is left between the two first shipping rods 2. The top ends of the two first shipping rods 2 vertically pass through the first limiting groove 10 and are slidably connected to the first limiting plate 7. The top ends of the first shipping rods 2 are installed with a first clamping plate 3. The two first driving devices are respectively arranged in a one-to-one correspondence with the two first supporting devices, and the first driving device is connected to the two first shipping rods 2 of the first supporting device and drives the two first shipping rods 2 to move along the length direction of the first fixed frame.

[0026] The second shipping mechanism includes two second supporting devices and two second driving devices. The two second supporting devices are arranged oppositely and the distance between the two second supporting devices is adjustable. The second supporting device includes a second fixed frame and two second shipping rods 4; the second fixed frame includes a second limiting plate 21 and a second fixed plate 22 arranged horizontally up and down, and both ends of the second limiting plate 21 are connected to a second vertical plate 23 connected to the second fixed plate 22, and the second limiting plate 21 is provided with a second limiting groove 24 that penetrates and extends along its length direction; the bottom ends of the two second shipping rods 4 are slidably connected to the second fixed plate 22 and a spacing is left between the two second shipping rods 4, the top ends of the two second shipping rods 4 pass through the second limiting groove 24 and are slidably connected to the second limiting plate 21, and the top ends of the second shipping rods 4 are installed with a second clamping plate 5. The two second driving devices are respectively arranged in a one-to-one correspondence with the two second supporting devices, and the second driving device is connected to the two second shipping rods 4 of the second supporting device and drives the two second shipping rods 4 to move along the length direction of the second fixed frame.

[0027] The welding mechanism is located between the first shipping mechanism and the second shipping mechanism, and includes two welding robots 6 which are arranged opposite to each other and installed on the workbench 1 .

[0028] In the present invention, the first shipping mechanism and the second shipping mechanism are used to clamp and fix the frame respectively and transport the frame to the welding mechanism position for docking, and two welding robots 6 perform welding processing on the docking position of the frame. The distance between the two first supporting devices of the present invention is adjustable and the distance between the two second supporting devices can also be adjusted to adapt to the welding processing of frames of different sizes, reduce the labor intensity of workers, improve work efficiency, and are suitable for continuous production operations.

[0029] In a specific embodiment, the first driving device includes a first synchronous wheel 11, a second synchronous wheel 12, a first synchronous belt 13, a first motor and two first telescopic rods. The first synchronous wheel 11 and the second synchronous wheel 12 are both rotatably installed on the workbench 1 and the connecting direction of the first synchronous wheel 11 and the second synchronous wheel 12 is consistent with the length direction of the first limiting plate 7. The first synchronous belt 13 is mounted on the first synchronous wheel 11 and the second synchronous wheel 12. The first motor is connected to the first synchronous wheel 11 in transmission. One end of the two first telescopic rods are respectively vertically connected to the two first shipping rods 2 and the other ends of the two first telescopic rods are connected to the first synchronous belt 13.

[0030] Further, the first telescopic rod includes a first outer rod 14 and a first inner rod 15, the first outer rod 14 is connected to the first synchronous belt 13 and the first outer rod 14 is provided with a first telescopic slot 16 extending from its end surface to the inside thereof, the first inner rod 15 is connected to the first shipping rod 2 and extends into the first telescopic slot 16 and is slidably connected with the first outer rod 14, one side of the first inner rod 15 is provided with a first tooth portion 17 arranged along its length direction, a first rotating shaft 18 extending into the first telescopic slot 16 is rotatably mounted on the first outer rod 14, and a first gear 19 meshing with the first gear portion 17 is fixed on the first rotating shaft 18. The first rotating shaft 18 is manually rotated, the first rotating shaft 18 drives the first gear 19 to rotate, and the first gear 19 drives the first inner rod 15 to move, so that the depth of the first inner rod 15 inserted into the first telescopic slot 16 can be adjusted, and the length of the first telescopic rod can be achieved to adapt to the distance adjustment between the two first supporting devices.

[0031] In a specific embodiment, two first linear guide rails 20 are installed on the workbench 1 in parallel and relatively spaced apart. The length direction of the first fixed plates 8 of the two first supporting devices is perpendicular to the extension direction of the first linear guide rails 20 and the two ends of the first fixed plates 8 are respectively connected to the two first linear guide rails 20 in a sliding manner.

[0032] In a specific embodiment, the second driving device includes a third synchronous wheel 25, a fourth synchronous wheel 26, a second synchronous belt 27, a second motor and two second telescopic rods. The third synchronous wheel 25 and the fourth synchronous wheel 26 are both rotatably installed on the workbench 1 and the connecting direction of the third synchronous wheel 25 and the fourth synchronous wheel 26 is consistent with the length direction of the second limiting plate 21. The second synchronous belt 27 is mounted on the third synchronous wheel 25 and the fourth synchronous wheel 26. The second motor is connected to the third synchronous wheel 25 for transmission. One end of the two second telescopic rods are respectively vertically connected to the two second shipping rods 4 and the other ends of the two second telescopic rods are connected to the second synchronous belt 27.

[0033] Further, the second telescopic rod includes a second outer rod 28 and a second inner rod 29, the second outer rod 28 is connected to the second synchronous belt 27 and the second outer rod 28 is provided with a second telescopic slot 30 extending from its end surface to the inside thereof, the second inner rod 29 is connected to the second shipping rod 4 and extends into the second telescopic slot 30 and is slidably connected with the second outer rod 28, one side of the second inner rod 29 is provided with a second tooth portion 31 arranged along its length direction, and a second rotating shaft 32 extending into the second telescopic slot 30 is rotatably mounted on the second outer rod 28, and a second gear 33 meshing with the second gear portion 31 is fixed on the second rotating shaft 32. The second rotating shaft 32 is manually rotated, and the second rotating shaft 32 drives the second gear 33 to rotate, and the second gear 33 drives the second inner rod 29 to move, so that the depth of the second inner rod 29 inserted into the second telescopic slot 30 can be adjusted, and the length of the second telescopic rod can be realized to adapt to the distance adjustment between the two second supporting devices.

[0034] In a specific embodiment, two second linear guide rails 34 are installed on the workbench 1 in parallel and relatively spaced apart. The length direction of the second fixed plates 22 of the two second supporting devices is perpendicular to the extension direction of the second linear guide rails 34 and the two ends of the second fixed plates 22 are respectively connected with the two second linear guide rails 34 in a sliding manner.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-efficiency robot frame welding system, characterized in that: It comprises a workbench (1), a first shipping mechanism, a second shipping mechanism and a welding mechanism; The first shipping mechanism and the second shipping mechanism are both installed on the workbench (1), and the first shipping mechanism and the second shipping mechanism are arranged opposite to each other; The first shipping mechanism comprises two first supporting devices and two first driving devices, the two first supporting devices are arranged opposite to each other and the distance between the two first supporting devices is adjustable, the first supporting device comprises a first fixed frame and two first shipping rods (2), the first fixed frame is installed on the workbench (1), the bottom ends of the two first shipping rods (2) are slidably installed on the first fixed frame and a distance is left between the two first shipping rods (2), and the top ends of the first shipping rods (2) are installed with a first clamping plate (3); the two first driving devices are respectively arranged corresponding to the two first supporting devices, and the first driving devices are connected to the two first shipping rods (2) of the first supporting device and drive the two first shipping rods (2) to move along the length direction of the first fixed frame; The second shipping mechanism comprises two second supporting devices and two second driving devices, the two second supporting devices are arranged opposite to each other and the distance between the two second supporting devices is adjustable, the second supporting device comprises a second fixed frame and two second shipping rods (4), the second fixed frame is installed on the workbench (1), the bottom ends of the two second shipping rods (4) are slidably installed on the second fixed frame and a spacing is left between the two second shipping rods (4), and the top ends of the second shipping rods (4) are installed with a second clamping plate (5); the two second driving devices are respectively arranged corresponding to the two second supporting devices, and the second driving devices are connected to the two second shipping rods (4) of the second supporting device and drive the two second shipping rods (4) to move along the length direction of the second fixed frame; The welding mechanism is located between the first shipping mechanism and the second shipping mechanism, and comprises two welding robots (6) arranged opposite to each other and mounted on a workbench (1); The first fixing frame comprises a first limiting plate (7) and a first fixing plate (8) which are arranged horizontally at intervals from top to bottom. Both ends of the first limiting plate (7) are connected to first vertical plates (9) connected to the first fixing plate (8). The first limiting plate (7) is provided with a first limiting groove (10) which penetrates and extends along its length direction. The bottom ends of the two first shipping rods (2) are connected to the first fixing plate (8) in a sliding manner. The top ends of the two first shipping rods (2) vertically pass through the first limiting groove (10) and are connected to the first limiting plate (7) in a sliding manner. The first driving device comprises a first synchronous wheel (11), a second synchronous wheel (12), a first synchronous belt (13), a first motor and two first telescopic rods. The first synchronous wheel (11) and the second synchronous wheel (12) are both rotatably mounted on the workbench (1), and the connection direction of the first synchronous wheel (11) and the second synchronous wheel (12) is consistent with the length direction of the first limit plate (7). The first synchronous belt (13) is sleeved on the first synchronous wheel (11) and the second synchronous wheel (12). The first motor is connected to the first synchronous wheel (11) in a transmission manner. One end of the two first telescopic rods is respectively vertically connected to the two first shipping rods (2), and the other ends of the two first telescopic rods are connected to the first synchronous belt (13). The first telescopic rod comprises a first outer rod (14) and a first inner rod (15), the first outer rod (14) is connected to the first synchronous belt (13) and the first outer rod (14) is provided with a first telescopic groove (16) extending from its end surface to its interior, the first inner rod (15) is connected to the first shipping rod (2) and extends into the first telescopic groove (16) to be slidably connected with the first outer rod (14), one side of the first inner rod (15) is provided with a first tooth portion (17) arranged along its length direction, a first rotating shaft (18) extending into the first telescopic groove (16) is rotatably mounted on the first outer rod (14), and a first gear (19) meshing with the first tooth portion (17) is fixed on the first rotating shaft (18); The second fixing frame comprises a second limiting plate (21) and a second fixing plate (22) which are arranged horizontally up and down, and both ends of the second limiting plate (21) are connected to second vertical plates (23) connected to the second fixing plate (22), and the second limiting plate (21) is provided with a second limiting groove (24) which penetrates and extends along its length direction, and the bottom ends of the two second shipping rods (4) are connected to the second fixing plate (22) in a sliding cooperation, and the top ends of the two second shipping rods (4) pass through the second limiting groove (24) and are connected to the second limiting plate (21) in a sliding cooperation; The second driving device comprises a third synchronous wheel (25), a fourth synchronous wheel (26), a second synchronous belt (27), a second motor and two second telescopic rods. The third synchronous wheel (25) and the fourth synchronous wheel (26) are both rotatably mounted on the workbench (1), and the connection direction of the third synchronous wheel (25) and the fourth synchronous wheel (26) is consistent with the length direction of the second limit plate (21). The second synchronous belt (27) is sleeved on the third synchronous wheel (25) and the fourth synchronous wheel (26). The second motor is connected to the third synchronous wheel (25) in a transmission manner. One end of the two second telescopic rods is respectively vertically connected to the two second shipping rods (4), and the other ends of the two second telescopic rods are connected to the second synchronous belt (27). The second telescopic rod comprises a second outer rod (28) and a second inner rod (29). The second outer rod (28) is connected to the second synchronous belt (27) and the second outer rod (28) is provided with a second telescopic groove (30) extending from its end surface to its interior. The second inner rod (29) is connected to the second shipping rod (4) and extends into the second telescopic groove (30) to be slidably connected with the second outer rod (28). One side of the second inner rod (29) is provided with a second tooth portion (31) arranged along its length direction. A second rotating shaft (32) extending into the second telescopic groove (30) is rotatably mounted on the second outer rod (28). A second gear (33) meshing with the second tooth portion (31) is fixed on the second rotating shaft (32).

2. The high-efficiency robot frame welding system according to claim 1 is characterized in that: Two first linear guide rails (20) are installed on the workbench (1) and are arranged in parallel and spaced relation to each other. The length direction of the first fixing plates (8) of the two first supporting devices is perpendicular to the extension direction of the first linear guide rails (20), and the two ends of the first fixing plates (8) are respectively connected to the two first linear guide rails (20) in a sliding manner.

3. The high-efficiency robot frame welding system according to claim 2 is characterized in that: Two second linear guide rails (34) are installed on the workbench (1) and are arranged in parallel and spaced relation. The length direction of the second fixing plates (22) of the two second supporting devices is perpendicular to the extension direction of the second linear guide rails (34), and the two ends of the second fixing plates (22) are respectively connected to the two second linear guide rails (34) in a sliding manner.

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