Automobile stamping part welding fixture positioning device

Abstract

The utility model discloses an automobile stamping part welding clamp positioning device which comprises a support, a workbench, a sliding plate, a shell, a base, a limiting plate, a double-shaft motor, a first lead screw, a limiting rod, a clamp, a check block, a servo motor, a second lead screw, a power source controller, a coil assembly, a movable pin, an electromagnetic coil, a limiting assembly and a clamping assembly. The utility model belongs to the technical field of automobile manufacturing, particularly relates to an automobile stamping part welding fixture positioning device, and solves the problems that the existing stamping part positioning and fixing device is suitable for fixing a stamping part and is poor in universality.

Description

Technical Field

[0001] This utility model belongs to the field of automobile manufacturing technology, specifically referring to a positioning device for welding fixtures of automobile stamping parts. Background Technology

[0002] In the automobile production process, the welding quality of stamped parts directly affects the overall performance and safety of the vehicle.

[0003] Existing welding fixture positioning devices typically fix automotive stamping parts by placing the stamping part with a pre-drilled hole onto a fixing pin on a bracket. However, this method of fixing pins can only be used for fixing one type of stamping part, resulting in poor versatility. Therefore, a welding fixture positioning device for automotive stamping parts is proposed. Utility Model Content

[0004] The technical problem this invention aims to solve is that existing devices for positioning and fixing stamped parts are only suitable for fixing one type of stamped part and have poor versatility.

[0005] To achieve the above functions, the technical solution adopted by this utility model is as follows: A positioning device for welding fixtures of automotive stamping parts includes a bracket and a worktable fixedly installed on the upper end of the bracket. Two slide plates are mirror-slidably provided on the lower end of the worktable. The two slide plates are provided with limiting plates fixedly connected to the worktable. A dual-axis motor for driving the slide plates is provided at the center of the limiting plates. The output end of the dual-axis motor is connected to a lead screw whose end is threadedly connected to the slide plate. A base is provided at the center of the worktable. Limiting components are provided on both sides of the base. A clamping component is provided on the slide plate.

[0006] The limiting component includes a housing fixedly mounted on the upper end of the worktable, and a movable pin slidably mounted on the upper end of the housing. The housing is provided with a moving mechanism for controlling the movement of the movable pin.

[0007] The clamping assembly includes two clamps that are slidably disposed on the upper end of the slide plate.

[0008] Furthermore, the moving mechanism includes a coil assembly fixedly disposed on the upper inner wall of the housing, and the ends of the coil assembly are connected to a power controller fixedly disposed on the lower inner wall of the housing.

[0009] Furthermore, the coil group includes multiple electromagnetic coils, and each electromagnetic coil is connected to a power controller via a wire.

[0010] Furthermore, the clamping assembly also includes a stop block and a servo motor that are disposed opposite to each other on both sides of the two clamps and fixedly connected to the slide plate. The output end of the servo motor is connected to a lead screw two that passes through the clamps, and the other end of the lead screw two is rotatably connected to the stop block.

[0011] Furthermore, the limiting plate is provided with a limiting rod to ensure the horizontal movement of the sliding plate.

[0012] Furthermore, the two clamps and the limiting plate are on the same axis.

[0013] The beneficial effects of this utility model by adopting the above structure are as follows:

[0014] 1. It is equipped with a limit component. The power controller controls the energization of the electromagnetic coil to generate different magnetic fields, thereby controlling the movement of the moving pin to adapt to the hole positions of different stamping parts and realize the positioning and fixing function of the stamping parts.

[0015] 2. A clamping assembly is provided. By starting the servo motor to drive the lead screw to rotate, the clamp slides relative to the slide plate to achieve the clamping action of another stamping part. At the same time, the dual-axis motor starts to drive the lead screws of the two output shafts to rotate, straightening the slide plate to the appropriate position for welding. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a positioning device for a welding fixture for automotive stamping parts proposed in this solution;

[0017] Figure 2 This is a schematic diagram of the positioning device for a welding fixture for automotive stamping parts proposed in this solution;

[0018] Figure 3 This is an example. Figure 1 Enlarged view of part A in the image;

[0019] Figure 4 This is a schematic diagram of the limiting component in this embodiment;

[0020] Figure 5 This is a schematic diagram of some parts of the limiting component in this embodiment.

[0021] The components include: 1. Support; 2. Workbench; 3. Slide plate; 4. Housing; 5. Base; 6. Limiting plate; 7. Dual-axis motor; 8. Lead screw one; 9. Limiting rod; 10. Fixture; 11. Stop; 12. Servo motor; 13. Lead screw two; 14. Power controller; 15. Coil group; 16. Moving pin; 17. Electromagnetic coil.

[0022] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] Example:

[0025] refer to Figure 1 and Figure 2 As shown, in order to achieve the above functions, the technical solution adopted by this utility model is as follows: A positioning device for welding fixtures of automotive stamping parts mainly includes a bracket 1 and a worktable 2 fixedly set on the upper end of the bracket 1. Two sliding plates 3 are mirror-slidably provided on the lower end of the worktable 2. In order to ensure the stable sliding of the sliding plates 3, an appropriate amount of lubricating oil is applied to the contact surface between the sliding plates 3 and the worktable 2 to reduce frictional resistance. The two sliding plates 3 are provided with limiting plates 6 fixedly connected to the worktable 2. Limiting rods 9 are provided on the limiting plates 6 to ensure the horizontal movement of the sliding plates 3. The limiting rods 9 are made of high-strength metal material to ensure that they are not easily deformed during long-term use, thereby effectively limiting the movement direction of the sliding plates 3. A dual-axis motor 7 for driving the sliding plates 3 is provided in the center of the limiting plate 6, and the output end of the dual-axis motor 7 is connected to a lead screw 8 whose end is threadedly connected to the sliding plate 3. When the dual-axis motor 7 is started, the lead screw 8 rotates accordingly. Since the lead screw 8 is threadedly connected to the sliding plate 3, the sliding plate 3 slides horizontally along the lower end of the worktable 2 under the drive of the lead screw 8.

[0026] like Figure 1-5 As shown, a base 5 is provided at the center of the workbench 2, and limiting components are provided on both sides of the base 5. The limiting components include a housing 4 fixedly mounted on the upper end of the workbench 2, and a movable pin 16 slidably mounted on the upper end of the housing 4. A moving mechanism for controlling the movement of the movable pin 16 is provided inside the housing 4. The moving mechanism includes a coil group 15 fixedly mounted on the inner wall above the housing 4. The end of the coil group 15 is connected to a power controller 14 fixedly mounted on the inner wall below the housing 4. The coil group 15 includes multiple electromagnetic coils 17, and each electromagnetic coil 17 is connected to the power controller 14 through a wire. In use, the power controller 14 controls the current on and off and the magnitude of the electromagnetic coil 17. When the electromagnetic coil 17 is energized, a magnetic field is generated. Under the action of the magnetic field force, the movable pin 16 slides relative to the upper end of the housing 4, which is suitable for inserting holes of stamping parts of different specifications, thereby realizing the positioning and fixing function of the stamping parts on both sides of the base 5. After debugging, the current of a single electromagnetic coil 17 can be increased to achieve a stronger fixing effect.

[0027] like Figure 1-5As shown, a clamping assembly is provided on the slide plate 3. The clamping assembly includes two clamps 10 that are slidably disposed on the upper end of the slide plate 3. The two clamps 10 are on the same axis as the limiting plate 6 to ensure the alignment accuracy of the two stamped parts and facilitate welding.

[0028] The clamping assembly also includes stops 11 positioned opposite each other on both sides of the two clamps 10 and fixedly connected to the slide plate 3, and a servo motor 12. The output end of the servo motor 12 is connected to a lead screw 13 that passes through the clamp 10, and the other end of the lead screw 13 is rotatably connected to the stops 11. After placing another stamped part in a suitable position, the servo motor 12 is started, driving the lead screw 13 to rotate. Since the lead screw 13 passes through the clamp 10 and is threadedly engaged with it, the two clamps 10 will move closer together under the rotation of the lead screw 13 until the other stamped part is clamped. During the clamping process, the number of rotations of the servo motor 12 can be adjusted by observing the position and clamping degree of the stamped part to ensure stable clamping of the stamped part. In practical use, the rotation parameters of the servo motor 12 can be preset according to the different sizes of stamped parts to improve operating efficiency.

[0029] When it is necessary to release another stamped part, the servo motor 12 is started in reverse, causing the lead screw 13 to reverse. The two clamps 10 will move away from each other, thereby releasing the stamped part. Then, the dual-axis motor 7 is started to adjust the position of the slide plate 3 in order to perform the next stamped part positioning and clamping operation.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0032] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A positioning device for a welding fixture for automotive stamping parts, comprising a bracket (1) and a worktable (2) fixedly disposed on the upper end of the bracket (1), wherein two sliding plates (3) are mirror-slidably disposed on the lower end of the worktable (2), and the two sliding plates (3) are provided with limiting plates (6) fixedly connected to the worktable (2), and a dual-axis motor (7) for driving the sliding plates (3) is disposed at the center of the limiting plate (6), and a lead screw (8) with its end threadedly connected to the sliding plate (3) is connected to the output end of the dual-axis motor (7), characterized in that: The workbench (2) is provided with a base (5) at its center, and limit components are provided on both sides of the base (5). The slide plate (3) is provided with a clamping component. The limiting component includes a housing (4) fixedly mounted on the upper end of the worktable (2) and a movable pin (16) slidably mounted on the upper end of the housing (4). The housing (4) is provided with a moving mechanism for controlling the movement of the movable pin (16). The clamping assembly includes two clamps (10) that are slidably disposed on the upper end of the slide plate (3).

2. The positioning device for a welding fixture for automotive stamping parts according to claim 1, characterized in that: The moving mechanism includes a coil group (15) fixedly disposed on the inner wall above the housing (4), and the ends of the coil group (15) are connected to a power controller (14) fixedly disposed on the inner wall below the housing (4).

3. The positioning device for a welding fixture for automotive stamping parts according to claim 2, characterized in that: The coil group (15) includes multiple electromagnetic coils (17), and each electromagnetic coil (17) is connected to the power controller (14) via a wire.

4. The positioning device for a welding fixture for automotive stamping parts according to claim 1, characterized in that: The clamping assembly also includes a stop block (11) and a servo motor (12) that are disposed opposite to each other on both sides of the two clamps (10) and fixedly connected to the slide plate (3). The output end of the servo motor (12) is connected to a lead screw (13) that passes through the clamp (10), and the other end of the lead screw (13) is rotatably connected to the stop block (11).

5. The positioning device for a welding fixture for automotive stamping parts according to claim 1, characterized in that: The limiting plate (6) is provided with a limiting rod (9) to ensure the horizontal movement of the sliding plate (3).

6. A positioning device for a welding fixture for automotive stamping parts according to claim 1 or 4, characterized in that: The two clamps (10) are on the same axis as the limiting plate (6).

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