A welding fixture structure for an automotive C-pillar reinforcement assembly

Abstract

This utility model discloses a welding fixture structure for an automotive C-pillar reinforcement assembly, including a quick-change welding base structure, a welding table control assembly, and a movable welding table structure. The movable welding table structure includes a movable welding base and a workpiece fixing fixture assembly. The workpiece fixing fixture assembly includes a workpiece placement assembly and a pneumatic clamp assembly located on the upper part of the movable welding base. The workpiece placement assembly is equipped with multiple sets of positioning sensor assemblies. The pneumatic clamp assembly includes a workpiece upper right-side clamp assembly, a workpiece upper left-side clamp assembly, a workpiece upper middle clamp assembly, and a workpiece lower-side clamp assembly, all positioned around the shape of the workpiece on the upper part of the movable welding base. This welding fixture has a simple structure, facilitates the assembly and disassembly of the sheet metal parts to be welded, and ensures clamping stability. This automotive C-pillar reinforcement assembly avoids the over-positioning phenomenon that occurs when using welding fixtures as measuring supports.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing, and in particular to a welding fixture structure for an automotive C-pillar reinforcement plate assembly. Background Technology

[0002] The C-pillar reinforcement assembly is a crucial component of the vehicle's frame structure, serving a supporting and reinforcing function and playing a vital role in ensuring the overall rigidity and safety of the vehicle body. During the welding process, the C-pillar reinforcement assembly requires numerous complex clamping mechanisms to ensure clamping stability and guarantee the strength, rigidity, and precision of the final component. Generally, the C-pillar reinforcement is pre-welded, followed by the welding of other accessories. This sequential, segmented welding approach not only improves production efficiency and controls welding deformation but also helps ensure the overall structural stability and weld quality. Utility Model Content

[0003] The purpose of this invention is to provide a welding fixture structure for an automotive C-pillar reinforcement plate assembly, thereby solving the problems of welding precision and improving welding efficiency.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a welding fixture structure for an automotive C-pillar reinforcement plate assembly, including a welding quick-change base structure, a welding table control component, and a movable welding table structure. The movable welding table structure includes a movable welding base and a workpiece fixing fixture assembly disposed on the upper part of the movable welding base. The workpiece fixing fixture assembly includes a workpiece placement component and a pneumatic fixture assembly disposed on the upper part of the movable welding base. The workpiece placement component is provided with multiple sets of positioning sensor components. The pneumatic fixture assembly includes a workpiece upper right-side fixture assembly, a workpiece upper left-side fixture assembly, a workpiece upper middle fixture assembly, and a workpiece lower-side fixture assembly disposed on the upper part of the movable welding base around the shape of the workpiece.

[0005] The workpiece upper right clamp assembly includes a workpiece upper right clamp body, a workpiece upper right clamp connecting seat, and a workpiece upper right clamp cylinder body. The workpiece upper left clamp assembly includes a workpiece upper left clamp body, a workpiece upper left clamp connecting seat, and a workpiece upper left clamp cylinder body. The workpiece upper middle clamp assembly includes a workpiece upper middle clamp body, a workpiece upper middle clamp connecting seat, and a workpiece upper middle clamp cylinder body. The workpiece lower end clamping assembly includes a workpiece lower end clamping body, a workpiece lower end clamping connecting seat, and a workpiece lower end clamping cylinder body.

[0006] The multiple positioning sensor assembly includes an outer flap body positioning sensor group on the workpiece placement assembly and a side positioning sensor in the upper right clamping assembly of the workpiece.

[0007] The welding station control assembly includes a quick-change button panel, a communication module box, a solenoid valve island, a pneumatic fixture triplet box, and a sensor light indicator box, all located on the outside of the movable welding base.

[0008] The welding quick-change base structure includes a quick-change base, a mold-locking cylinder assembly located at the upper center of the quick-change base, and a bottom support body.

[0009] The beneficial effects of this utility model are as follows: This welding fixture has a simple structure, facilitates the assembly and disassembly of the sheet metal parts to be welded, and ensures the stability of the clamping. This automotive C-pillar reinforcement plate avoids the over-positioning phenomenon that occurs when using welding fixtures as measuring supports, objectively reflecting the true accuracy in the free state; it reduces the total development cost and development cycle of the fixture and measuring support; the automotive C-pillar reinforcement plate has multi-directional workpiece positioning on the moving base, requiring only one clamping without the need to change fixtures, saving time, effort, and costs.

[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 Top view.

[0013] Figure 3 for Figure 1 Side view.

[0014] Figure 4 for Figure 3 Enlarged view of point A.

[0015] In the diagram: 1. Mobile welding base; 2. Quick-change button panel; 3. Communication module box; 4. Solenoid valve island; 5. Pneumatic clamping triplet box; 6. Induction indicator box; 7. Quick-change base; 8. Mold clamping cylinder assembly; 9. Bottom bearing base; 10. Upper right clamp body of the workpiece; 11. Upper right clamping connecting seat of the workpiece; 12. Upper right clamping cylinder body of the workpiece; 13. Upper left clamp body of the workpiece; 14. Upper left clamping connecting seat of the workpiece; 15. Upper left clamping cylinder body of the workpiece; 16. Upper middle clamp body of the workpiece; 17. Upper middle clamping connecting seat of the workpiece; 18. Upper middle clamping cylinder body of the workpiece; 19. Lower clamp body of the workpiece; 20. Lower clamping connecting seat of the workpiece; 21. Lower clamping cylinder body of the workpiece; 22. Outer flap body positioning sensor group; 23. Side positioning sensor; 24. Workpiece placement assembly; 25. Workpiece body. Detailed Implementation

[0016] 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.

[0017] 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. Example 1, as Figure 1-4 As shown, a welding fixture structure for an automotive C-pillar reinforcement assembly includes a quick-change welding base structure, a welding table control assembly, and a movable welding table structure. The movable welding table structure includes a movable welding base 1 and a workpiece fixing fixture assembly located on the upper part of the movable welding base. The welding table control assembly includes a quick-change button panel 2, a communication module box 3, a solenoid valve island 4, a pneumatic fixture triplet box 5, and a sensor light indicator box 6, all located on the outside of the movable welding base. The quick-change welding base structure includes a quick-change base 7, a clamping cylinder assembly 8 located at the center of the upper part of the quick-change base, and a bottom support base 9.

[0018] The workpiece fixing fixture assembly includes a workpiece placement component 24 and a pneumatic clamping component disposed on the upper part of the movable welding base. The workpiece placement component is provided with multiple sets of positioning sensor components. The pneumatic clamping component includes a workpiece upper right clamping component, a workpiece upper left clamping component, a workpiece upper middle clamping component, and a workpiece lower clamping component disposed on the upper part of the movable welding base around the shape of the workpiece body 25.

[0019] The workpiece upper right clamp assembly includes a workpiece upper right clamp body 10, a workpiece upper right clamp connecting seat 11, and a workpiece upper right clamp cylinder body 12. The workpiece upper left clamp assembly includes a workpiece upper left clamp body 13, a workpiece upper left clamp connecting seat 14, and a workpiece upper left clamp cylinder body 15. The workpiece upper middle clamp assembly includes a workpiece upper middle clamp body 16, a workpiece upper middle clamp connecting seat 17, and a workpiece upper middle clamp cylinder body 18. The workpiece lower end clamping assembly includes a workpiece lower end clamping body 19, a workpiece lower end clamping connecting seat 20, and a workpiece lower end clamping cylinder body 21.

[0020] The multiple positioning sensor assembly includes an outer flap body positioning sensor group 22 disposed on the workpiece placement assembly 24, and a side end positioning sensor 23 disposed in the upper right side clamping assembly of the workpiece.

[0021] This welding fixture has a simple structure, facilitates the assembly and disassembly of sheet metal parts to be welded, and ensures clamping stability. The automotive C-pillar reinforcement plate avoids the over-positioning phenomenon that occurs when using welding fixtures as measuring supports, objectively reflecting the true accuracy in the free state; it reduces the overall development cost and development cycle of fixtures and measuring supports; the automotive C-pillar reinforcement plate has multi-directional workpiece positioning on the moving base, requiring only one clamping without changing the fixture, saving time, effort, and costs.

[0022] 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.

[0023] The parts not covered in this utility model are the same as or can be implemented using existing technologies.

Claims

1. A welding fixture structure of an automobile C-pillar reinforcement plate assembly, comprising a welding quick-change base structure, a welding table control assembly and a movable welding table body structure, the movable welding table body structure comprising a movable welding seat body and a workpiece fixing clamp group arranged on the upper part of the movable welding seat body, characterized in that: The workpiece fixing fixture assembly includes a workpiece placement component and a pneumatic clamping component disposed on the upper part of the movable welding base. The workpiece placement component is provided with multiple sets of positioning sensor components. The pneumatic clamping component includes a workpiece upper right clamping component, a workpiece upper left clamping component, a workpiece upper middle clamping component, and a workpiece lower clamping component disposed on the upper part of the movable welding base around the shape of the workpiece.

2. The welding fixture structure for an automobile C-pillar reinforcement panel assembly according to claim 1, characterized by: The workpiece upper right clamp assembly includes a workpiece upper right clamp body, a workpiece upper right clamp connecting seat, and a workpiece upper right clamp cylinder body. The workpiece upper left clamp assembly includes a workpiece upper left clamp body, a workpiece upper left clamp connecting seat, and a workpiece upper left clamp cylinder body. The workpiece upper middle clamp assembly includes a workpiece upper middle clamp body, a workpiece upper middle clamp connecting seat, and a workpiece upper middle clamp cylinder body. The workpiece lower end clamping assembly includes a workpiece lower end clamping body, a workpiece lower end clamping connecting seat, and a workpiece lower end clamping cylinder body.

3. The welding fixture structure for an automobile C-pillar reinforcement panel assembly according to claim 1, characterized by: The multiple positioning sensor assembly includes an outer flap body positioning sensor group on the workpiece placement assembly and a side positioning sensor in the upper right clamping assembly of the workpiece.

4. The welding fixture structure for an automobile C-pillar reinforcement panel assembly according to claim 1, characterized by: The welding station control assembly includes a quick-change button panel, a communication module box, a solenoid valve island, a pneumatic fixture triplet box, and a sensor light indicator box, all located on the outside of the movable welding base.

5. The welding fixture structure for an automobile C-pillar reinforcement panel assembly as set forth in claim 1, characterized by: The welding quick-change base structure includes a quick-change base, a mold-locking cylinder assembly located at the upper center of the quick-change base, and a bottom support body.

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