Automatic turnover welding device
By designing a brake hydraulic cylinder and a brake power arc plate structure, combined with gear meshing, the problem of fixture wobbling in the welding device was solved, improving welding quality and reducing costs, and achieving stable and efficient workpiece flipping and positioning.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-17
AI Technical Summary
Existing welding equipment suffers from clamp wobbling during workpiece flipping, leading to decreased welding quality. Furthermore, the high cost of large brake motors makes them difficult to promote.
The system employs a brake hydraulic cylinder and a brake power arc plate structure. Through the cooperation of the brake wheel and brake pads, it achieves accurate positioning and smooth rotation of the fixture. Combined with the meshing of a low-tooth drive gear and a high-tooth driven gear, it ensures the stability of workpiece rotation.
It effectively prevents fixture wobbling, improves welding quality, reduces manufacturing costs, and provides higher workpiece weight load capacity.
Smart Images

Figure CN223997690U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of welding technology, specifically relating to an automated flipping welding device. Background Technology
[0002] Welding equipment refers to specialized equipment or tools used to perform welding processes. It is a device that can permanently connect two or more workpieces at the joint by heating, pressurizing, or a combination of both. Its core function is to locally melt or plastically deform the material through energy input, thereby achieving bonding between atoms or molecules.
[0003] Welding fixtures are specialized devices used to position, clamp, and fix workpieces during the welding process to ensure welding accuracy, efficiency, and quality, and to effectively prevent welding deformation. When performing planar welding, after welding one side, the workpiece needs to be flipped over, and then a second welding is performed on the back side to ensure the quality of the weld. For example, in CN218341405U, an automatic flipping welding device for machining uses an electric telescopic cylinder to drive a rack, which in turn drives a gear to rotate, thereby rotating the welding fixture and flipping the workpiece. However, while the electric telescopic cylinder has a self-locking function, there is a gap between the rack and gear, causing the fixture and the workpiece on it to shake during welding, which cannot guarantee the welding quality. Another example is CN209550997U, an automatic flipping welding device for machining uses a motor to directly drive the fixture to rotate, thus flipping the workpiece. Although it has a motor and a brake motor with positioning function, the brake motor needs to provide a large braking torque to meet the requirements of different workpieces, depending on their size and weight. Brake motors that can provide large braking torque are large and expensive, increasing the overall manufacturing cost and hindering subsequent promotion and sales. Utility Model Content
[0004] To address the problem of inaccurate positioning by rotating clamps in existing technologies, this invention provides an automated flipping welding device. By incorporating a braking structure, a smooth and accurate braking effect is achieved. The specific technical solution is as follows: An automated flipping welding device includes: a mounting base plate and an automatic welding machine. The automatic welding machine is mounted on the rear wall of the mounting base plate. Two sets of rotating structures are mounted on the upper wall of the mounting base plate. Clamping structures are respectively mounted on the inner sides of the two sets of rotating structures. A power structure is mounted on the upper wall of the mounting base plate. A braking structure is also mounted on the upper wall of the mounting base plate. The two sets of braking structures include: two hydraulic brake cylinders and a braking power arc plate. The two hydraulic brake cylinders are respectively mounted on the upper wall of the mounting base plate, and the two ends of the braking power arc plate are respectively mounted on the drive ends of the two hydraulic brake cylinders.
[0005] Preferably, the two sets of rotating structures include: two rotating frames, a rotating shaft, a driven gear, and a brake wheel; the two rotating frames are respectively mounted on the upper wall of the mounting base plate, the rotating shaft is mounted inside the two rotating frames through bearings, the driven gear is fixedly mounted outside the rotating shaft, the brake wheel is fixedly mounted outside the rotating shaft, and the brake wheel is located inside the brake power arc plate.
[0006] Preferably, the two sets of clamping structures include: a clamping base, a clamping hydraulic cylinder, and a clamping plate; the clamping base is installed on the inner side of the rotating shaft, the clamping hydraulic cylinder is fixedly installed inside the clamping base, and the clamping plate is installed on the drive end of the clamping hydraulic cylinder.
[0007] Preferably, the power structure includes: a power motor and a drive gear; the power motor is mounted on the upper wall of the mounting base plate, the drive gear is mounted on the drive end of the power motor, and the drive gear and the driven gear mesh.
[0008] Preferably, the inner wall surface of the brake power arc plate is provided with brake pads.
[0009] Preferably, the brake wheel is provided with brake pads on its exterior.
[0010] Preferably, anti-slip pads are installed on the upper wall of the clamping base and the lower wall of the clamping plate, respectively.
[0011] The automated flipping welding device of this utility model has the following advantages compared with the prior art:
[0012] 1. This automated flipping welding device uses a braking structure to position the fixture. When the fixture drives the workpiece to complete one flip, the braking structure is activated to lock and fix the drive shaft that drives the fixture to flip. This effectively prevents the fixture from shaking during the welding process, which would lead to a decrease in welding quality. Furthermore, the braking structure in this invention is simple, inexpensive, and easy to maintain, making it more cost-effective than a brake motor.
[0013] 2. This automated flipping welding device uses gear meshing to drive the clamp to rotate, thereby flipping the workpiece. The drive gear with fewer teeth drives the driven gear with more teeth, which ensures a smooth flipping process and also increases the upper limit of the weight of the workpiece driven by the motor. Attached Figure Description
[0014] Figure 1 A schematic diagram of the overall structure of the automated flipping welding device provided by this utility model;
[0015] Figure 2A schematic diagram of the fixture structure for the automated flipping welding device provided by this utility model;
[0016] Figure 3 A schematic diagram of the brake structure of the automated flipping welding device provided by this utility model;
[0017] Figure 4 A schematic diagram of the power structure of the automated flipping welding device provided by this utility model;
[0018] in, Figures 1 to 4 The attached diagram and the automated flipping welding device for components are as follows: 1. Mounting base plate; 2. Automatic welding machine; 3. Brake hydraulic cylinder; 4. Brake power arc plate; 5. Rotating frame; 6. Rotating shaft; 7. Driven gear; 8. Brake wheel; 9. Fixture fixing seat; 10. Clamping hydraulic cylinder; 11. Clamping plate; 12. Power motor; 13. Drive gear; 14. Anti-slip pad. Detailed Implementation
[0019] The following are specific implementation cases and appendices. Figures 1-4 The present invention will be further described below, but it is not limited to these embodiments. The present invention provides a technical solution: an automated flipping welding device, comprising: a mounting base plate 1 and an automatic welding machine 2, the automatic welding machine 2 being mounted on the rear wall of the mounting base plate 1, two sets of rotating structures being mounted on the upper wall of the mounting base plate 1, clamping structures being mounted on the inner sides of the two sets of rotating structures respectively, a power structure being mounted on the upper wall of the mounting base plate 1, and a braking structure being mounted on the upper wall of the mounting base plate 1; the two sets of braking structures include: two brake hydraulic cylinders 3 and a brake power arc plate 4; the two brake hydraulic cylinders 3 are respectively mounted on the upper wall of the mounting base plate 1, and the two ends of the brake power arc plate 4 are respectively mounted on the driving ends of the two brake hydraulic cylinders 3.
[0020] As a preferred embodiment, the two sets of rotating structures further include: two rotating frames 5, a rotating shaft 6, a driven gear 7, and a brake wheel 8; the two rotating frames 5 are respectively installed on the upper wall of the mounting base plate 1, the rotating shaft 6 is installed inside the two rotating frames 5 through bearings, the driven gear 7 is fixedly installed outside the rotating shaft 6, the brake wheel 8 is fixedly installed outside the rotating shaft 6, and the brake wheel 8 is located inside the brake power arc plate 4.
[0021] As a preferred embodiment, the two sets of clamping structures further include: a clamping base 9, a clamping hydraulic cylinder 10, and a clamping plate 11; the clamping base 9 is installed inside the rotating shaft 6, the clamping hydraulic cylinder 10 is fixedly installed inside the clamping base 9, and the clamping plate 11 is installed at the drive end of the clamping hydraulic cylinder 10.
[0022] As a preferred embodiment, the power structure further includes: a power motor 12 and a drive gear 13; the power motor 12 is mounted on the upper wall of the mounting base plate 1, the drive gear 13 is mounted on the drive end of the power motor 12, and the drive gear 13 meshes with the driven gear 7.
[0023] As a preferred option, the inner wall of the brake power arc plate 4 is provided with brake pads.
[0024] As a preferred option, the brake wheel 8 is further provided with brake pads on its exterior.
[0025] As a preferred option, the upper wall of the clamping base 9 and the lower wall of the clamping plate 11 are respectively equipped with anti-slip pads 14.
[0026] Working principle:
[0027] I. Preparations before use: When using this utility model, first connect the external AC power supply to this utility model to provide energy for the electrical appliances in this utility model. Then install the matching controller in this utility model to provide control and working logic for the automatic welding machine 2, the two brake hydraulic cylinders 3, the power motor 12 and the clamping hydraulic cylinder 10 in this utility model. Before starting to use it, it is necessary to check whether the brake pads of the brake wheel 8 and the brake power arc plate 4 are intact and good. Also check whether the anti-slip plates inside the clamping plate 11 and the clamp fixing seat 9 are intact and good. After the checks are completed, it can be used normally.
[0028] 2. Installation of the workpiece to be welded: The operator places the workpiece to be welded on the upper wall of the fixture fixing seat 9, and positions the workpiece to be welded on the anti-slip pad 14 above the fixture fixing seat 9. At this time, the clamping hydraulic cylinder 10 is extended, and the driving end of the clamping hydraulic cylinder 10 drives the clamping plate 11 to move towards the fixture fixing seat 9 until the clamping plate 11 and the fixture fixing seat 9 fix the material to be welded. The mounting base plate 1 can be slidable and detached. When the installation of two workpieces is completed, the sliding mounting base plate 1 slides until the weld seam of the two workpieces contacts each other. Finally, the sliding mounting base plate 1 is fixed.
[0029] III. Welding and Workpiece Flipping: After the workpiece is installed, the operator can start the automatic welding machine 2 through the controller to perform welding. When the first side of the workpiece is welded, the workpiece is flipped. First, the two brake hydraulic cylinders 3 extend, the brake power arc plate 4 and the brake wheel 8 separate, and then the power motor 12 drives the drive gear 13 to rotate. Through the meshing between the gears, the driven gear 7 drives the rotating shaft 6 to rotate. The rotating shaft 6 drives the fixture fixing seat 9 and the workpiece fixed on it to rotate. The power motor 12 is a brake motor that can self-lock at the drive end. When the power motor 12 rotates to the required position, the power motor 12 activates self-locking. Then, the two brake hydraulic cylinders 3 retract, and the two brake hydraulic cylinders 3 drive the brake power arc plate 4 to fix the brake wheel 8. At this time, the workpiece is flipped. In order to avoid power interference between the two power motors 12, only one power motor 12 works when the workpiece is flipped, and the other power motor 12 is in the unlocked state.
[0030] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0031] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. An automated turnover welding device comprising: a mounting base plate (1) and an automatic welding machine (2) mounted on the rear wall surface of the mounting base plate (1), characterized in that, The upper wall surface of the mounting base (1) is provided with two groups of rotating structures, the inner sides of the two groups of rotating structures are respectively provided with clamp structures, the upper wall surface of the mounting base (1) is provided with a power structure, and the upper wall surface of the mounting base (1) is provided with brake structures.
2. The automated flip and weld apparatus of claim 1, wherein, The two groups of rotating structures comprise two rotating frames (5), a rotating shaft (6), a driven gear (7) and a brake wheel (8); the two rotating frames (5) are respectively mounted on the upper wall surface of the mounting base (1), the rotating shaft (6) is mounted in the interiors of the two rotating frames (5) through bearings, the driven gear (7) is fixedly mounted on the exterior of the rotating shaft (6), the brake wheel (8) is fixedly mounted on the exterior of the rotating shaft (6), and the brake wheel (8) is located in the interior of the brake power arc plate (4).
3. The automated flip and weld apparatus of claim 1, wherein, The two groups of clamp structures comprise a clamp fixed seat (9), a clamping hydraulic cylinder (10) and a clamping piece (11); the clamp fixed seat (9) is mounted on the inner side of the rotating shaft (6), the clamping hydraulic cylinder (10) is fixedly mounted in the interior of the clamp fixed seat (9), and the clamping piece (11) is mounted on the driving end of the clamping hydraulic cylinder (10).
4. The automated turnover welding device of claim 1, wherein, The power structure comprises a power motor (12) and a driving gear (13); the power motor (12) is mounted on the upper wall surface of the mounting base (1), and the driving gear (13) is mounted on the driving end of the power motor (12) and is engaged with the driven gear (7).
5. The automated turnover welding device of claim 1, wherein, The inner wall surface of the brake power arc plate (4) is provided with brake pads.
6. The automated turnover welding device of claim 2, wherein, The exterior of the brake wheel (8) is provided with brake pads.
7. The automated turnover welding device of claim 3, wherein, The upper wall surface of the clamp fixed seat (9) and the lower wall surface of the clamping piece (11) are respectively provided with anti-skid pads (14).
Citation Information
Patent Citations
Automatic turnover welding device for machining
CN209550997U
Automatic overturning and welding device for machining
CN218341405U