Welding fixture for upper hinge reinforcing plate assemblies of left and right front doors of automobile

Abstract

The utility model relates to a welding fixture for upper hinge reinforcing plate assemblies of a left front door and a right front door of an automobile, which comprises a welding base structure, a welding fixture component arranged at the upper part of the welding base structure and welding auxiliary equipment arranged at the upper part of the welding base structure, the welding clamp assembly comprises a left front door upper hinge upper reinforcing plate welding fixing clamp structure and a right front door upper hinge upper reinforcing plate welding fixing clamp structure which are arranged on the upper portion of the welding base structure. The left front door upper hinge upper reinforcing plate welding fixing clamp structure and the right front door upper hinge upper reinforcing plate welding fixing clamp structure are the same in structure and are arranged on the welding base structure in the radial direction. According to the welding clamp, an integrated one-time clamping and positioning structural design and a clamping and positioning mode are adopted, independent clamping and positioning of a set of workpieces are carried out, clamping and positioning of the workpieces and self-adaptive positioning, adjusting and butt joint can be completed, the precision and flexibility of clamping, positioning and butt joint are improved, actual operation is also facilitated, in addition, the welding efficiency is improved, and meanwhile the welding quality is improved. And the welding quality is ensured.

Description

Technical Field

[0001] This utility model relates to welding fixtures for automotive parts, and more particularly to welding fixtures for the upper hinge reinforcement plate assembly of the left and right front doors of automobiles. Background Technology

[0002] The left and right front door upper hinge reinforcement plate assembly is a crucial component of the vehicle door structure, serving a supporting and reinforcing function and playing a vital role in ensuring the overall rigidity and safety of the vehicle body door. The assembly typically consists of an upper hinge plate and a reinforcement plate. The upper hinge plate generally comprises two or more main plate segments, and both the upper hinge plate and accessories require welding for assembly. The welding process for the left and right front door upper hinge reinforcement plate assembly is usually a complex and multi-layered process designed to ensure the strength, rigidity, and precision of the final component. Generally, multiple segments of the left and right front door upper hinge reinforcement plate assembly are initially welded to form the basic hinge plate structure, followed by the welding of the reinforcement plate and other accessories. This sequential, segmented welding method not only improves production efficiency and controls welding deformation but also helps ensure the overall stability of the structure and the quality of the welds. Utility Model Content

[0003] The purpose of this utility model is to provide a welding fixture for the upper hinge reinforcement plate assembly of the left and right front doors of automobiles, so as to solve the problems of accurate welding and high welding efficiency of the upper hinge reinforcement plate assembly of the left and right front doors of automobiles.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a welding fixture for the left and right front door upper hinge reinforcement plate assembly of an automobile, including a welding base structure, a welding fixture assembly disposed on the upper part of the welding base structure, and welding auxiliary equipment disposed on the upper part of the welding base structure. The welding fixture assembly includes a welding and fixing fixture structure for the upper reinforcement plate of the left front door upper hinge and a welding and fixing fixture structure for the upper reinforcement plate of the right front door upper hinge disposed on the upper part of the welding base structure. The welding and fixing fixture structure for the upper reinforcement plate of the left front door upper hinge is the same as the welding and fixing fixture structure for the upper reinforcement plate of the right front door upper hinge and is radially disposed on the welding base structure.

[0005] The aforementioned welding and fixing fixture structure for the upper reinforcing plate of the left front door hinge includes an outer clamping assembly and an inner clamping assembly.

[0006] The outer clamping assembly includes an outer fixed base, an outer end clamping platform located on the upper part of the outer fixed base, an outer pneumatic gripper body located on the upper part of the outer end clamping platform, and an outer clamping cylinder body located on the outer side of the outer fixed base and connected to the outer pneumatic gripper body.

[0007] The inner clamping assembly includes an inner fixing platform, an inner clamping platform located on the upper part of the inner fixing platform, an inner pneumatic gripper body located on the inner clamping platform, and an inner clamping cylinder body located on the outer side of the inner fixing platform and connected to the inner pneumatic gripper body.

[0008] The welding auxiliary equipment includes an electromagnetic valve island, a PLC remote module box, an operation control console, and a pneumatic connection table.

[0009] The beneficial effects of this utility model are as follows: This welding fixture adopts an integrated one-time clamping and positioning structure design and clamping and positioning method to independently clamp and position a group of workpieces. It can complete the clamping and positioning of workpieces as well as adaptive positioning adjustment and docking, which improves the accuracy and flexibility of clamping, positioning and docking, and is also convenient for actual operation. In addition, it improves welding efficiency while ensuring welding quality.

[0010] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 for Figure 1 The left view.

[0013] Figure 3 for Figure 1 The right view.

[0014] Figure 4 for Figure 1 Top view.

[0015] Figure 5 for Figure 1 A three-dimensional image.

[0016] In the diagram: 1. Quick-change base plate, 2. Quick-change guide rail, 3. Quick-change guide seat, 4. Fixture fixing plate, 5. Fixture caster assembly, 6. Outer fixed base platform, 7. Outer clamping platform, 8. Outer pneumatic gripper body, 9. Outer clamping cylinder body, 10. Inner fixed platform, 11. Inner clamping platform, 12. Inner control cylinder, 13. Inner clamping cylinder body, 14. Proximity sensor, 15. Solenoid valve island, 16. PLC remote module box, 17. Operation control console, 18. Pneumatic connection platform, 19. Upper reinforcing plate of left front door upper hinge, 20. Upper reinforcing plate of right front door upper hinge. Detailed Implementation

[0017] The terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end" used in the application text to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing the present invention and for 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. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] Example 1, as shown in Figures 1-5, includes a welding fixture for the left and right front door upper hinge reinforcement plate assemblies of an automobile. The fixture comprises a welding base structure, a welding fixture assembly mounted on the upper part of the welding base structure, and welding auxiliary equipment mounted on the upper part of the welding base structure. The welding fixture assembly includes a welding and fixing fixture structure for the left and right front door upper hinge reinforcement plates, both mounted on the upper part of the welding base structure. The welding and fixing fixture structure for the left and right front door upper hinge reinforcement plates is structurally identical to that of the right front door upper hinge reinforcement plate and is radially arranged on the welding base structure. The welding base structure includes a quick-change base plate 1, a quick-change guide rail 2, a quick-change guide bracket 3, a fixture fixing plate 4, and a fixture caster assembly 5.

[0020] The aforementioned welding and fixing fixture structure for the upper reinforcing plate of the left front door hinge includes an outer clamping assembly and an inner clamping assembly.

[0021] The outer clamping assembly includes an outer fixed base 6, an outer end clamping platform 7 located on the upper part of the outer fixed base, an outer pneumatic gripper body 8 located on the upper part of the outer end clamping platform, and an outer clamping cylinder body 9 located on the outer side of the outer fixed base and connected to the outer pneumatic gripper body.

[0022] The inner clamping assembly includes an inner fixing platform 10, an inner clamping platform 11 located on the upper part of the inner fixing platform, an inner pneumatic gripper body 12 located on the inner clamping platform, and an inner clamping cylinder body 13 located on the outer side of the inner fixing platform and connected to the inner pneumatic gripper body. A proximity sensor 14 is installed on the inner clamping platform 11.

[0023] The welding auxiliary equipment includes the solenoid valve island 15, the PLC remote module box 16, the operation control console 17, and the pneumatic connection table 18.

[0024] This welding fixture adopts an integrated one-time clamping and positioning structure design and clamping and positioning method to independently clamp and position a group of workpieces. It can complete the clamping and positioning of workpieces as well as adaptive positioning adjustment and docking, which improves the accuracy and flexibility of clamping, positioning and docking, and facilitates actual operation. In addition, it improves welding efficiency while ensuring welding quality.

[0025] The above embodiments are merely descriptions of preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

[0026] The parts not covered in this utility model are the same as or can be implemented using existing technologies.

Claims

1. A welding fixture for the left and right front door upper hinge reinforcement plate assembly of an automobile, comprising a welding base structure, a welding fixture assembly disposed on the upper part of the welding base structure, and welding auxiliary equipment disposed on the upper part of the welding base structure, characterized in that: The welding fixture assembly includes a welding and fixing fixture structure for the upper reinforcing plate of the left front door hinge and a welding and fixing fixture structure for the upper reinforcing plate of the right front door hinge, both located on the upper part of the welding base structure. The welding and fixing fixture structure for the upper reinforcing plate of the left front door hinge is identical to the welding and fixing fixture structure for the upper reinforcing plate of the right front door hinge and is radially arranged on the welding base structure.

2. The welding fixture for the left and right front door upper hinge reinforcement plate assembly of an automobile as described in claim 1, characterized in that: The aforementioned welding and fixing fixture structure for the upper reinforcing plate of the left front door hinge includes an outer clamping assembly and an inner clamping assembly.

3. The welding fixture for the left and right front door upper hinge reinforcement plate assembly of an automobile as described in claim 2, characterized in that: The outer clamping assembly includes an outer fixed base, an outer end clamping platform located on the upper part of the outer fixed base, an outer pneumatic gripper body located on the upper part of the outer end clamping platform, and an outer clamping cylinder body located on the outer side of the outer fixed base and connected to the outer pneumatic gripper body.

4. The welding fixture for the left and right front door upper hinge reinforcement plate assembly of an automobile as described in claim 2, characterized in that: The inner clamping assembly includes an inner fixing platform, an inner clamping platform located on the upper part of the inner fixing platform, an inner pneumatic gripper body located on the inner clamping platform, and an inner clamping cylinder body located on the outer side of the inner fixing platform and connected to the inner pneumatic gripper body.

5. The welding fixture for the left and right front door upper hinge reinforcement plate assembly of an automobile as described in claim 1, characterized in that: The welding auxiliary equipment includes an electromagnetic valve island, a PLC remote module box, an operation control console, and a pneumatic connection table.

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