Automatic rotary table device for welding

Abstract

The invention discloses an automatic rotary table device for welding. The automatic welding turntable device comprises a base, wherein welding equipment and a turntable device are fixed at the upper end of the base; the turntable device comprises a turntable, a servo motor for driving the turntable to horizontally and radially rotate and a light barrier; the lower end of the light barrier is fixed to the upper end face of the rotary table, and the upper end of the rotary table is divided into left and right independent operation areas. The upper end of the rotary table and the two sides of the light barrier are each fixedly provided with a tool positioning plate, and the two tool positioning plates are symmetrically distributed. The device is simple in structure, and the overall welding efficiency can be improved in the workpiece welding process.

Description

Technical Field

[0001] This invention relates to the field of welding technology, and in particular to an automatic welding turntable device. Background Technology

[0002] Welding is a common assembly method. In the existing welding process, there are usually fixtures fixed at the welding station to clamp and fix the workpiece. The fixtures are used to accurately position the workpiece to be welded in order to ensure the final welding quality.

[0003] However, in existing welding stations, the fixtures are generally fixed within the welding station and cannot be moved as a whole. After the previous workpiece is welded, the welding station must wait for multiple steps to be completed, including disassembling the previously welded workpiece from the fixture, cleaning the weld slag, and clamping the next workpiece into the fixture, before a new round of welding can begin. Furthermore, during these steps, the welding torch and the operator are idle and cannot perform welding-related operations simultaneously, resulting in low overall welding efficiency and making it difficult to meet the demands of high-efficiency production. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic welding turntable device to solve the technical problem of low overall welding efficiency in existing welding processes. This invention has a simple structure and can improve overall welding efficiency and operational safety.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An automatic welding turntable device includes a base, on which welding equipment and a turntable device are fixedly mounted;

[0007] The turntable device includes a turntable, a servo motor that drives the turntable to rotate horizontally and radially, and a light-blocking plate; the lower end of the light-blocking plate is fixed to the upper end surface of the turntable, dividing the space above the turntable into a first region and a second region; at the upper end of the turntable, a tooling positioning plate for fixing and installing fixtures is fixed in each of the first and second regions, and the two tooling positioning plates are symmetrically distributed.

[0008] Furthermore, within both the first and second regions, the turntable is also equipped with a rotation enable trigger button that can be connected to the control system.

[0009] Furthermore, the servo motor is fixed to the upper end of the base by a fixed support frame; the lower end of the fixed support frame is fixed to the upper end of the base, and the servo motor is fixed to the upper end of the fixed support frame.

[0010] Furthermore, the turntable is also provided with a through-hole.

[0011] Furthermore, the turntable is a circular turntable.

[0012] Furthermore, the light-blocking plate is square, and the length of its lower end is equal to the diameter of the upper surface of the turntable.

[0013] Furthermore, the welding equipment includes a welding torch and a robot that moves the welding torch, the robot being fixed to the upper end of the base.

[0014] Furthermore, the welding torch, robot, and servo motor are all connected to the control system.

[0015] Furthermore, the base, turntable, and fixed bracket are all made of metal.

[0016] Compared with the prior art, the present invention provides an automatic welding turntable device, which has the following advantages:

[0017] In this invention, the lower end of the light-blocking plate is fixed to the upper surface of the turntable, dividing the space above the turntable into two independent areas, namely the first area and the second area. At the upper end of the turntable, a tooling positioning plate is fixed to each side of the light-blocking plate, with the two tooling positioning plates symmetrically distributed. During operation, a set of clamps is fixed to each tooling positioning plate, and the workpiece can be firmly clamped onto the clamps.

[0018] The light-blocking plate is located between the first and second operating areas. It can block the strong arc light, high-frequency flash, and spatter generated during welding in one area, preventing sparks from splashing into the other area. After the light-blocking plate separates the two areas, welding operations and workpiece clamping or unclamping operations can be performed simultaneously in the first and second areas on both sides of the light-blocking plate, and the operations in the first and second areas do not interfere with each other.

[0019] Meanwhile, while a workpiece in the area closest to the welding equipment is being welded, the operator can simultaneously clamp the next workpiece into a fixture in another area. Once the welding of the previous workpiece is complete, the turntable rotates to swap the positions of the two workpieces, allowing for quick initiation of the next workpiece's welding operation. Furthermore, during the welding of the next workpiece, the previously welded workpiece can be simultaneously removed from the fixture. This allows for better control of the entire welding process, reduces downtime for both the welding equipment and the operator, and ultimately improves overall welding efficiency. Attached Figure Description

[0020] Figure 1 This is a perspective view of the automatic welding turntable device in this invention.

[0021] Figure 2 This is a side view of the automatic welding turntable device in this invention. Figure 1 .

[0022] Figure 3This is a side view of the automatic welding turntable device in this invention. Figure 2 .

[0023] Figure 4 This is a top view of the automatic welding turntable device in this invention.

[0024] Figure 5 This is a schematic diagram of the connection structure between the turntable and the light-blocking plate in this invention.

[0025] In the picture:

[0026] 1-Base, 2-Robot, 3-Welding gun, 4-Light shield, 5-Turntable, 6-Tooling positioning plate, 7-Servo motor, 8-Fixed support frame, 9-Hollow hole, 10-Rotation enable trigger button, 11-First area, 12-Second area. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0028] like Figure 1-4 As shown, the present invention provides an automatic welding turntable device, which includes a base 1, and welding equipment and a turntable device are fixed on the upper end of the base 1.

[0029] In this embodiment, the turntable device includes a turntable 5, a servo motor 7 that drives the turntable 5 to rotate horizontally and radially, and a light-blocking plate 4; the lower end of the light-blocking plate 4 is fixed to the upper end surface of the turntable 5, dividing the space above the turntable 5 into two independent regions, namely a first region 11 and a second region 12; at the upper end of the turntable 5, a tooling positioning plate 6 for fixing and installing fixtures is fixed in each of the first region 11 and the second region 12, and the two tooling positioning plates 6 are symmetrically distributed, such as... Figure 2 As shown.

[0030] In this embodiment, a servo motor 7 drives the turntable 5 to rotate horizontally radially, enabling the turntable 5 to rotate 180 degrees back and forth in the horizontal direction, thereby continuously changing the positions of the two tooling positioning plates 6. Simultaneously, the servo motor can correct the rotation angle in real time, ensuring the positioning accuracy and repeatability of the 180° reciprocating rotation, avoiding missed steps or overshoot. Furthermore, the servo motor can effectively suppress the enormous inertia caused by heavy loads, making the start-up and stopping processes smooth and shock-free.

[0031] like Figure 2As shown, in this embodiment, the light-blocking plate 4 divides the space above the surface of the circular turntable 5 into two regions. The first region 11 and the second region 12 are located on the left and right sides of the light-blocking plate 4, respectively.

[0032] Each area has a fixture positioning plate 6 for fixing the fixture, and the fixture positioning plate 6 is fixed to the upper end face of the turntable 5; the fixture positioning plate 6 is provided with several positioning and mounting holes for fixing the fixture. During operation, the fixture is fixed on the fixture positioning plate 6, and the workpiece to be welded is fastened to the fixture. Clamping operation is the operation of clamping the workpiece to be welded into the fixture; disassembly operation is the operation of removing the workpiece from the fixture after welding is completed.

[0033] like Figure 2 As shown, the welding equipment and turntable are positioned to the left and right. When the first area 11 is located to the right of the welding equipment, the welding equipment can be used to weld the previous workpiece in the first area 11. At this time, the second area 12 is located to the right of the first area 11. While welding the previous workpiece in the first area 11, the operator can perform the clamping operation of the next workpiece into the fixture in the second area 12 from the other side. During the above process, the light-blocking plate 4 separates the two areas, blocking the strong arc light, high-frequency flash, and sparks generated during the welding process in the first area 11; sparks will not splash into the second area 12, causing damage to other components in the second area 12, nor will they harm the operator performing the clamping operation of the next workpiece.

[0034] After the welding of the previous workpiece in the first area 11 is completed and the clamping operation of the next workpiece in the second area 12 is completed, the servo motor 7 can be started to rotate the turntable 5, swapping the positions of the first area 11 and the second area 12, that is, swapping the positions of the previous and next workpieces. After the positions of the first area 11 and the second area 12 are swapped, the second area 12 rotates to the right side of the welding equipment. At this time, the welding equipment can be used to perform welding operations on the next workpiece in the second area 12. At the same time, the operator removes the previous workpiece from the clamp in the first area 11, and immediately after removing the previous workpiece, clamps the new unwelded workpiece into the clamp in the first area 11. This cycle allows for better control of the welding rhythm, reduces the idle time of the welding equipment and the operator, and thus improves the overall welding efficiency. At the same time, the presence of the light-blocking plate 4 can improve efficiency while also ensuring the safety of the operator.

[0035] In this embodiment, the welding equipment includes a welding torch 3 and a robot 2 that moves the welding torch 3. The robot 2 is fixed to the upper end of the base 1. Figure 2As shown, the robot has the ability to adjust its posture in all directions through the linkage of multiple joints: its base joint can rotate freely 360 degrees horizontally, its arm joint can drive the welding torch 3 to move left and right, and its end joint can tilt and flip the welding torch 3 at multiple angles to ensure that the weld is always in the best welding position during the welding process.

[0036] At the same time, such as Figure 2 As shown, in this embodiment, the height of the light-blocking plate 4 is higher than that of the welding equipment. Due to the presence of the light-blocking plate 4, even if the robot makes a mistake during its movement to the right and travels too far, it will only collide with the side of the light-blocking plate 4 and will not be able to enter the second area 12 on the right side of the light-blocking plate 4. Therefore, it will not cause any damage to the operator located on the right side of the second area 12, thus further ensuring the personal safety of the operator.

[0037] Meanwhile, after welding is completed, the robot can move the welding torch 3 out of the space above the turntable 5, thereby leaving room for the rotation of the light-blocking plate 4 and avoiding collision with the light-blocking plate 4.

[0038] In this embodiment, the servo motor 7 is fixed to the upper end of the base 1 by a fixed support frame 8; the lower end of the fixed support frame 8 is fixed to the upper end of the base 1, and the servo motor 7 is fixed to the upper end of the fixed support frame 8. The fixed support frame 8 increases the overall height of the turntable 5.

[0039] In this embodiment, the turntable 5 is also provided with a through-hole 9. For example... Figure 1 and Figure 4 As shown, these perforated holes 9 can not only reduce the overall weight of the turntable 5, but also serve as discharge ports for welding slag. For example, a welding slag recycling box can be placed under the turntable 5, and the welding slag on the upper part of the turntable 5 can be swept into the perforated holes 9. The welding slag falls down from the perforated holes 9 into the welding slag recycling box below.

[0040] In this embodiment, the turntable 5 is a circular turntable, and the light-blocking plate 4 is square. The length of the lower end of the light-blocking plate 4 is equal to the diameter of the upper end face of the turntable 5.

[0041] The base 1, turntable 5, and fixed bracket 8 are all made of metal, enhancing the overall structural stability and providing better support. The light-blocking plate 4 can also be made directly of steel. In this embodiment, the light-blocking plate 4 includes an aluminum alloy profile frame and a flame-retardant, arc-proof plastic plate embedded within the frame, resulting in a lighter overall weight. Furthermore, the plastic plate can be opaque, effectively blocking arc light, sparks, and spatter generated during welding, preventing arc light leakage from injuring operators.

[0042] In this embodiment, the welding equipment uses a robot to drive the welding torch to perform workpiece welding operations. Compared with manual operation, this method is more efficient, safer, and can also ensure the welding consistency of the products.

[0043] like Figure 1 As shown, each tooling positioning plate 6 at the upper end of the rotary table 5 has a rotation enable trigger button 10 fixed on both sides. This rotation enable trigger button 10 is connected to the control system, and when pressed, it sends a confirmation signal to the control system. At the same time, the welding torch 3, servo motor 7, and robot 2 can also be connected to the control system to realize the linkage and automated control between the components.

[0044] After the operator completes the corresponding workpiece clamping or disassembly operation, they press the trigger button 10 and move away from the turntable area. The control system receives a confirmation signal allowing rotation. After the welding operation stops and the robot 2 returns to the designated position, the control system will automatically start the servo motor 7, and the turntable 5 will begin to rotate. If the control system does not receive the rotation permission signal from the trigger button 10, the servo motor 7 will not start, and the turntable 5 will remain stationary and unable to rotate.

[0045] By setting the rotation enable trigger button, the safety of operators can be effectively ensured, preventing personal injury caused by the sudden rotation of the turntable 5 before the operator completes the workpiece clamping or disassembly operation. Preferably, the rotation enable trigger button can be configured for two-hand operation mode, that is, the operator must press the two corresponding rotation enable trigger buttons simultaneously with their left and right hands to output the rotation ready signal.

Claims

1. An automatic welding turntable device, characterized in that: Includes a base (1), and a welding device and a turntable device are fixed on the upper end of the base (1); The turntable device includes a turntable (5), a servo motor (7) that drives the turntable (5) to rotate horizontally and radially, and a light-blocking plate (4); the lower end of the light-blocking plate (4) is fixed to the upper end face of the turntable (5), dividing the space above the table surface of the turntable (5) into a first region (11) and a second region (12); at the upper end of the turntable (5), a tooling positioning plate (6) for fixing and installing fixtures is fixed in the first region (11) and the second region (12), and the two tooling positioning plates (6) are symmetrically distributed.

2. The automatic welding turntable device according to claim 1, characterized in that: Within the first region (11) and the second region (12), the turntable (5) is also equipped with a rotation enable trigger button (10) that can be connected to the control system.

3. The automatic welding turntable device according to claim 2, characterized in that: The servo motor (7) is fixed to the upper end of the base (1) by a fixed support frame (8); the lower end of the fixed support frame (8) is fixed to the upper end of the base (1), and the servo motor (7) is fixed to the upper end of the fixed support frame (8).

4. The automatic welding turntable device according to claim 3, characterized in that: The turntable (5) is also provided with a through hole (9) running vertically through it.

5. The automatic welding turntable device according to claim 4, characterized in that: The turntable (5) is a circular turntable.

6. The automatic welding turntable device according to claim 5, characterized in that: The light-blocking plate (4) is square, and the length of the lower end of the light-blocking plate (4) is equal to the diameter of the upper end face of the turntable (5).

7. An automatic welding turntable device according to any one of claims 1-6, characterized in that: The welding equipment includes a welding torch (3) and a robot (2) that moves the welding torch (3), the robot (2) being fixed to the upper end of the base (1).

8. The automatic welding turntable device according to claim 7, characterized in that: The welding torch (3), robot (2) and servo motor (7) are all connected to the control system.

9. The automatic welding turntable device according to claim 8, characterized in that: The base (1), turntable (5) and fixed bracket (8) are all made of metal.

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