Connecting plate welding device

Abstract

The invention provides a connecting plate welding device which comprises a supporting bottom plate, a welding platform is fixedly connected to the upper surface of the supporting bottom plate, a rotating circular groove is formed in the upper surface of the welding platform, a lower end adjusting clamp is installed on the surface of the rotating circular groove, and an emergency stop transmission device is fixedly connected to the surface of one side of the welding platform. A side supporting table is fixedly connected to the position, on one side of the lower end adjusting clamp, of the surface of the welding platform, an upper adjusting clamp is arranged on the surface of the upper end of the side supporting table, and a mechanical arm welding machine is arranged on one side of the emergency stop device. But the welding rod is easily welded on other parts because the welding rod is not easy to weld when a columnar part is welded and the machine cannot be stopped in time when the welding position is wrong.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of material welding of motor vehicles, and in particular to a connecting plate welding device. Background Art

[0002] With the rapid development of industrial automation, welding robots are being used more and more widely in the manufacturing industry. Welding robots have the characteristics of high efficiency, high precision and high stability, which can greatly improve the production efficiency and quality of welding operations.

[0003] In the invention patent application with application number CN202323443291.5, application publication date 2024.08.27, and titled "A Automobile Cover Welding Device", it includes a first welding assembly, a second welding assembly, and welding robots respectively cooperating with the first welding assembly and the second welding assembly. The first welding assembly and the second welding assembly are symmetrically distributed around the horizontal axis of the welding robot. The first welding assembly and the second welding assembly are arranged on both sides of the welding robot facing each other. The device arranges two welding assemblies and workstations on both sides of a welding robot to make full use of the welding robot, thereby improving production efficiency. The structure of each component is simple and the cost is low.

[0004] During the operation of a specific embodiment, the inventor discovered the following defects: the welding device can only weld plate-shaped parts during the welding of automotive parts, but it is difficult to weld columnar parts. At the same time, the machine cannot be shut down in time when an error occurs in the welding position, which easily leads to welding the electrode to other parts. Summary of the invention

[0005] 1. Technical problem to be solved by the invention: The present invention provides a connecting plate welding device to solve the technical problems existing in the above-mentioned background technology.

[0006] 2. Technical solution: In order to achieve the above-mentioned purpose, the technical solution provided by the present invention is: a connecting plate welding device, comprising a supporting base plate, a welding platform is fixedly connected to the upper surface of the supporting base plate, a rotating circular groove is provided on the upper surface of the welding platform, a lower end adjustment clamp is installed on the surface of the rotating circular groove, an emergency stop transmission device is fixedly connected to one side surface of the welding platform, one side of the lower end adjustment clamp is fixedly connected to the surface of the welding platform with a side support platform, an upper adjustment clamp is provided on the upper surface of the side support platform, and a robotic arm welding machine is provided on one side of the emergency stop device.

[0007] Furthermore, the upper adjustment fixture is suspended on the top of the lower adjustment fixture through a side support platform, the lower adjustment fixture is connected to the emergency stop transmission device, and the lower adjustment fixture forms a rotating structure on the surface of the rotating circular groove.

[0008] Furthermore, the lower end adjustment fixture includes a turntable base plate, the upper surface of the turntable base plate is movably connected with a supporting rotating rod, the top surface of the supporting rotating rod is fixedly connected with a rotating gear plate, the surface of the rotating gear plate is provided with a sliding adjustment groove, the surface of the sliding adjustment groove is slidably connected with a clamping sleeve, the surface of the clamping sleeve is movably connected with a threaded plug rod, the top surface of the threaded plug rod is fixedly connected with a connecting plate block, the surface of the connecting plate block is provided with a fixed slot, the inner surface of the fixed slot is provided with a splint, a telescopic rod is provided on one side of the splint, and the lower end surface of the threaded plug rod is threadedly connected with a fixing nut.

[0009] Furthermore, the rotating gear disc forms a rotating movable structure on the surface of the rotating circular groove by supporting the rotating rod, and the surface of the rotating gear disc is respectively provided with three sliding adjustment grooves and a clamping sleeve, and the clamping sleeve and the connecting plate block on the surface above the clamping sleeve are fixed to the surface of the rotating gear disc by fixing nuts, and the connecting plate blocks are all provided on the surfaces of the three clamping sleeves.

[0010] Furthermore, the emergency stop transmission device includes a side extension plate, the upper surface of the side extension plate is fixedly connected to a rack rod cylinder, the lower surface of the rack rod cylinder is provided with a horizontal cylinder, a gear clamp is provided on the surface of a telescopic arm on one side of the horizontal cylinder, a transmission motor is provided on the upper surface of the gear clamp, and a transmission gear is provided below the transmission motor.

[0011] Furthermore, the horizontal cylinder forms a lifting structure through the rod cylinder, the transmission gear and the gear clamp form a translation structure through the horizontal cylinder, the transmission gear is meshed with the rotating gear plate to form a transmission, and forms a disengagement structure through the rod cylinder.

[0012] Furthermore, the upper adjustment fixture includes a gear groove body arranged on the top surface of the side support platform, the gear groove body surface is movably connected with a lifting control gear, one side of the lifting control gear is meshed with a lifting rack, one side of the lifting control gear is provided with a lifting motor, the bottom end surface of the lifting rack is fixedly connected with a clamping motor, a fixture hanging plate is arranged below the clamping motor, a rocker gear group is arranged on the lower surface of the fixture hanging plate, and one side of the fixture hanging plate is movably connected with a plate-column fixture.

[0013] Furthermore, the lifting rack forms a lifting structure on the surface of the side support platform through the rotation of the lifting control gear, the lifting control gear and the lifting motor form a transmission, the clamp hanging plate and the clamping motor form a lifting structure through the lifting rack, the rocker gear group and the clamping motor form a transmission, the plate-column clamp is movably connected with the rocker gear group, and the plate-column clamp is clamped by the rotation of the rocker gear group.

[0014] 3. Beneficial effects: The design of the present invention is reasonable. When welding the plate-like parts of an automobile, the fixing nut at the lower end of the threaded plug rod in the lower end adjusting fixture is loosened, the connecting plate plug block is rotated to one side of the plate-like part, and one side of the plate-like part is clamped inside the connecting plate plug block by the clamping plate. At the same time, the threaded plug rod at other positions on the surface of the rotating toothed disk is synchronously operated, and the connecting plate plug block on the other side is embedded in the other side of the plate-like part. At the same time, the two fixing nuts are re-tightened so that the plate-like part is fixed on the surface of the rotating toothed disk, so as to facilitate welding of the plate-like part. When it is necessary to weld the columnar part, the fixing nut is directly loosened, the opening of the fixing slot is reversed to the outer edge of the rotating toothed disk, the columnar part is placed in the center position of the three fixing slots, the clamping sleeve is pressed against the edge of the columnar part, and the fixing nut is re-fixed so that the three clamping sleeves fix the columnar part to the upper surface of the rotating toothed disk, thereby achieving the purpose of being common to plate-like and columnar workpieces. When welding is in progress, the transmission motor drives the transmission gear and the rotating toothed disc to rotate, and the welding head is controlled by the robotic arm welding machine to perform welding operations. When a welding position error occurs, the rod cylinder operates to drive the horizontal cylinder, the gear clamp block and the transmission gear to move upward, so that the transmission gear is disengaged from the meshing connection with the rotating toothed disc, and then the rotating toothed disc stops rotating, avoiding the situation where the machine cannot be stopped in time when an error occurs in the welding position, which may easily lead to welding the electrode to other parts. When two workpieces need to be welded closely, one of the workpieces can be clamped and fixed by the lower adjusting fixture, and the rocker gear set is driven to rotate by the clamping motor in the upper adjusting fixture, thereby driving the plate-column fixture to fix the other workpiece, and the lifting control gear is driven to rotate by the lifting motor to drive the workpiece and the plate-column fixture to move downward, and finally dock with the workpiece below, and welded by a robotic arm welding machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the rotating toothed disc of the present invention; Figure 3 It is a three-dimensional schematic diagram of the connecting plate plug block of the present invention; Figure 4 It is a plan view of the lower end adjustment fixture of the present invention; Figure 5 It is a three-dimensional schematic diagram of the emergency stop transmission device of the present invention; Figure 6 This is a schematic diagram of the adjustment fixture of the present invention.

[0016] Reference numerals: 1. Support base plate; 2. Welding platform; 3. Rotating circular groove; 4. Lower end adjustment fixture; 401. Turntable base plate; 402. Supporting rotating rod; 403. Rotating gear plate; 404. Sliding adjustment groove; 405. Clamping sleeve; 406. Threaded plug rod; 407. Connecting plate plug block; 408. Fixed slot; 409. Clamping plate; 410. Telescopic rod; 411. Fixed nut; 5. Emergency stop transmission device; 501. Side extension Plate; 502, rack cylinder; 503, horizontal cylinder; 504, gear clamp; 505, transmission motor; 506, transmission gear; 6, side support platform; 7, upper adjustment fixture; 701, gear slot; 702, lifting control gear; 703, lifting rack; 704, lifting motor; 705, clamping motor; 706, fixture hanging plate; 707, rocker gear set; 708, plate column fixture; 8, robotic arm welding machine. DETAILED DESCRIPTION

[0017] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0021] Refer to the attached Figure 1-6 , including a supporting base plate 1, a welding platform 2 is fixedly connected to the upper surface of the supporting base plate 1, a rotating circular groove 3 is arranged on the upper surface of the welding platform 2, a lower end adjusting fixture 4 is installed on the surface of the rotating circular groove 3, an emergency stop transmission device 5 is fixedly connected to the surface of one side of the welding platform 2, a side support platform 6 is fixedly connected to the surface of the welding platform 2 on one side of the lower end adjusting fixture 4, an upper adjustment fixture 7 is arranged on the upper end surface of the side support platform 6, a robotic arm welding machine 8 is arranged on one side of the emergency stop device 5, the upper adjustment fixture 7 is suspended on the top of the lower end adjusting fixture 4 through the side support platform 6, the lower end adjusting fixture 4 is transmission-connected with the emergency stop transmission device 5, and the lower end adjusting fixture 4 forms a rotating structure on the surface of the rotating circular groove 3, and the device achieves the purpose of welding workpieces of different styles of column plates through the emergency stop transmission device 5.

[0022] The lower end adjustment fixture 4 includes a turntable bottom plate 401, the upper surface of the turntable bottom plate 401 is movably connected with a supporting rotating rod 402, the top surface of the supporting rotating rod 402 is fixedly connected with a rotating toothed disc 403, the surface of the rotating toothed disc 403 is provided with a sliding adjustment groove 404, the surface of the sliding adjustment groove 404 is slidably connected with a clamping sleeve 405, the surface of the clamping sleeve 405 is movably connected with a threaded plug rod 406, the top surface of the threaded plug rod 406 is fixedly connected with a connecting plate plug block 407, and the surface of the connecting plate plug block 407 is provided with a fixed plug Slot 408, a clamping plate 409 is provided on the inner surface of the fixed slot 408, a telescopic rod 410 is provided on one side of the clamping plate 409, a fixing nut 411 is threadedly connected to the lower end surface of the threaded plug rod 406, and the rotating gear disc 403 forms a rotating movable structure on the surface of the rotating circular groove 3 by supporting the rotating rod 402, and three sliding adjustment grooves 404 and a clamping sleeve 405 are respectively provided on the surface of the rotating gear disc 403, and the clamping sleeve 405 and the connecting plate block 407 on the upper surface thereof are fixed to the surface of the rotating gear disc 403 by a fixing nut 411.

[0023] In this embodiment, when welding the plate-like parts of the automobile, the fixing nut 411 at the lower end of the threaded rod 406 in the lower end adjustment fixture 4 is loosened, the connecting plate plug block 407 is rotated to one side of the plate-like part, and one side of the plate-like part is clamped inside the connecting plate plug block 407 by the clamping plate 409. At the same time, the threaded rod 406 at other positions on the surface of the rotating gear plate 403 is synchronously operated to embed the connecting plate plug block 407 on the other side into the other side of the plate-like part, and the two fixing nuts 411 are re-tightened to fix the plate-like part. It is fixed on the surface of the rotating toothed disk 403 to facilitate welding of plate-like components. When welding operations are required on columnar components, the fixing nut 411 is directly loosened, the opening of the fixing slot 408 is reversed to the outer edge of the rotating toothed disk 403, the columnar component is placed in the center of the three fixing slots 408, the clamping sleeve 405 is pressed against the edge of the columnar component, and the fixing nut 411 is re-fixed so that the three clamping sleeves 405 fix the columnar component on the upper surface of the rotating toothed disk 403, thereby achieving the purpose of being common to plate-like and columnar workpieces.

[0024] The emergency stop transmission device 5 includes a side extension plate 501, and a rack cylinder 502 is fixedly connected to the upper surface of the side extension plate 501, and a horizontal cylinder 503 is arranged on the lower surface of the rack cylinder 502. A gear clamp 504 is arranged on the surface of the telescopic arm on one side of the horizontal cylinder 503, and a transmission motor 505 is arranged on the upper surface of the gear clamp 504. A transmission gear 506 is arranged below the transmission motor 505. The horizontal cylinder 504 forms a lifting structure through the rack cylinder 502, and the transmission gear 506 and the gear clamp 504 form a translation structure through the horizontal cylinder 503. The transmission gear 506 is meshed and connected with the rotating gear disc 403 to form a transmission, and a disengagement structure is formed through the rack cylinder 502.

[0025] In this embodiment, when welding is performed, the transmission motor 505 drives the transmission gear 506 and the rotating toothed disc 403 to rotate, and the welding head is controlled by the robotic arm welding machine 8 to perform welding operations. When a welding position error occurs, the rack cylinder 502 operates to drive the horizontal cylinder 503, the gear clamp 504 and the transmission gear 506 to move upward, so that the transmission gear 506 is disengaged from the meshing connection with the rotating toothed disc 403, and the rotating toothed disc 403 stops rotating, thereby avoiding the situation where the machine cannot be shut down in time when an error occurs in the welding position, which may easily lead to the welding rod being welded to other parts.

[0026] The upper adjustment fixture 7 includes a gear slot 701 arranged on the top surface of the side support platform 6, and a lifting control gear 702 is movably connected to the surface of the gear slot 701. A lifting rack 703 is meshed and connected to one side of the lifting control gear 702. A lifting motor 704 is arranged on one side of the lifting control gear 702. A clamping motor 705 is fixedly connected to the bottom surface of the lifting rack 703. A fixture hanging plate 706 is arranged below the clamping motor 705. A rocker gear set 707 is arranged on the surface below the fixture hanging plate 706. A plate-column clamp 708 is movably connected to one side of 706, and the lifting rack 703 forms a lifting structure on the surface of the side support platform 6 through the rotation of the lifting control gear 702, and the lifting control gear 702 and the lifting motor 704 form a transmission, and the clamp hanging plate 706 and the clamping motor 705 form a lifting structure through the lifting rack 703, and the rocker gear set 707 and the clamping motor 705 form a transmission, and the plate-column clamp 708 is movably connected to the rocker gear set 707, and the plate-column clamp 708 is clamped by the rotation of the rocker gear set 707.

[0027] In this embodiment, when two workpieces need to be welded closely, one of the workpieces can be clamped and fixed by the lower end adjusting fixture 4, and the rocker gear set 707 is driven to rotate by the clamping motor 705 in the upper adjusting fixture 7, thereby driving the plate-column fixture 708 to fix the other workpiece, and the lifting control gear 702 is driven to rotate by the lifting motor 704 to drive the workpiece and the plate-column fixture 708 to move downward, and finally dock with the workpiece below, and welded by the robotic arm welding machine 8.

[0028] It should be noted that the above-mentioned robot arm welding machine 8 is an existing technology on the market, in which welding operations are performed by controlling welding through an industrial robot, which will not be described in detail here.

[0029] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A connecting plate welding device, characterized in that: The invention comprises a supporting base plate (1), the upper surface of the supporting base plate (1) is fixedly connected to a welding platform (2), the upper surface of the welding platform (2) is provided with a rotating circular groove (3), the surface of the rotating circular groove (3) is provided with a lower end adjustment fixture (4), one side surface of the welding platform (2) is fixedly connected to an emergency stop transmission device (5), one side of the lower end adjustment fixture (4) is fixedly connected to the surface of the welding platform (2) with a side supporting platform (6), the upper end surface of the side supporting platform (6) is provided with an upper adjustment fixture (7), and one side of the emergency stop device (5) is provided with a mechanical arm welding machine (8).

2. A connecting plate welding device according to claim 1, characterized in that: The upper adjustment fixture (7) is suspended on the top of the lower adjustment fixture (4) via a side support platform (6); the lower adjustment fixture (4) is in transmission connection with the emergency stop transmission device (5); and the lower adjustment fixture (4) forms a rotating structure on the surface of the rotating circular groove (3).

3. A connecting plate welding device according to claim 1, characterized in that: The lower end adjustment fixture (4) comprises a turntable bottom plate (401), the upper surface of the turntable bottom plate (401) is movably connected to a supporting rotating rod (402), the top surface of the supporting rotating rod (402) is fixedly connected to a rotating toothed disc (403), the surface of the rotating toothed disc (403) is provided with a sliding adjustment groove (404), the surface of the sliding adjustment groove (404) is slidably connected to a clamping sleeve (405), the surface of the clamping sleeve (405) is movably connected to a threaded plug rod (406), the top surface of the threaded plug rod (406) is fixedly connected to a connecting plate plug block (407), the surface of the connecting plate plug block (407) is provided with a fixing slot (408), the inner surface of the fixing slot (408) is provided with a clamping plate (409), one side of the clamping plate (409) is provided with a telescopic rod (410), and the lower end surface of the threaded plug rod (406) is threadedly connected to a fixing nut (411).

4. A connecting plate welding device according to claim 3, characterized in that: The rotating toothed disc (403) forms a rotating movable structure on the surface of the rotating circular groove (3) by supporting the rotating rod (402); three sliding adjustment grooves (404) and a clamping sleeve (405) are respectively arranged on the surface of the rotating toothed disc (403); the clamping sleeve (405) and a connecting plate plug-in block (407) on the upper surface thereof are fixed to the surface of the rotating toothed disc (403) by a fixing nut (411); and the connecting plate plug-in block (407) is arranged on the surfaces of the three clamping sleeves (405).

5. A connecting plate welding device according to claim 1, characterized in that: The emergency stop transmission device (5) comprises a side extension plate (501), a rod cylinder (502) is fixedly connected to the upper surface of the side extension plate (501), a horizontal cylinder (503) is arranged on the lower surface of the rod cylinder (502), a gear clamp (504) is arranged on the surface of a telescopic arm on one side of the horizontal cylinder (503), a transmission motor (505) is arranged on the upper surface of the gear clamp (504), and a transmission gear (506) is arranged below the transmission motor (505).

6. A connecting plate welding device according to claim 5, characterized in that: The horizontal cylinder (504) forms a lifting structure through the rod cylinder (502); the transmission gear (506) and the gear clamp (504) form a translation structure through the horizontal cylinder (503); the transmission gear (506) is meshedly connected with the rotating gear disc (403) to form a transmission, and forms a disengagement structure through the rod cylinder (502).

7. A connecting plate welding device according to claim 1, characterized in that: The upper adjustment fixture (7) comprises a gear groove body (701) arranged on the top surface of the side support platform (6); a lifting control gear (702) is movably connected to the surface of the gear groove body (701); a lifting rack (703) is meshingly connected to one side of the lifting control gear (702); a lifting motor (704) is arranged on one side of the lifting control gear (702); a clamping motor (705) is fixedly connected to the bottom surface of the lifting rack (703); a fixture hanging plate (706) is arranged below the clamping motor (705); a rocker gear set (707) is arranged on the bottom surface of the fixture hanging plate (706); and a plate column fixture (708) is movably connected to one side of the fixture hanging plate (706).

8. A connecting plate welding device according to claim 7, characterized in that: The lifting rack (703) forms a lifting structure on the surface of the side support platform (6) through the rotation of the lifting control gear (702), the lifting control gear (702) and the lifting motor (704) form a transmission, the clamp hanging plate (706) and the clamping motor (705) form a lifting structure through the lifting rack (703), the rocker gear group (707) and the clamping motor (705) form a transmission, the plate column clamp (708) is movably connected to the rocker gear group (707), and the plate column clamp (708) is clamped through the rotation of the rocker gear group (707).

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