Large piece pressing dead point mechanism
By designing a large-component clamping dead-point mechanism and utilizing the synergistic effect of the limit component and the drive component, the problem of limited adjustment range of existing mechanisms is solved, achieving stable fixation of different objects and improving processing accuracy and stability.
Patent Information
- Application Number
- CN202520316677.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing large-item clamping mechanisms have limited adjustment range when fixing different objects, resulting in poor fixing effect and affecting processing accuracy.
A large-item clamping dead-point mechanism was designed, including a limiting component, a connecting block, a driving component, and a limiting block. Through the synergistic effect of the limiting component and the driving component, the object is stably clamped and its position is limited, thereby improving stability.
By combining the limiting components and the driving components, stable fixation of different objects is achieved, thereby improving processing accuracy and stability.
Smart Images

Figure CN223863184U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of clamping tooling technology, and in particular to a clamping dead point mechanism for large parts. Background Technology
[0002] During arc welding of large automotive parts, the long and numerous weld seams generate a large amount of heat, which can cause part deformation. By using tooling, the work of blanking and marking can be reduced or even eliminated, the dimensional deviation of the product can be reduced, and the accuracy and interchangeability of the parts can be improved. In addition, tooling can effectively prevent and reduce welding deformation, reduce the amount of post-weld straightening work, and improve welding speed and quality.
[0003] However, the existing mechanism has a limited range of adjustment, and its fixing effect is limited when fixing different objects, which affects the processing accuracy. Utility Model Content
[0004] The purpose of this utility model is to provide a large-part clamping dead point mechanism, which solves the problem that existing mechanisms have limited adjustment range, limited fixing effect when fixing different objects, and affect processing accuracy.
[0005] To achieve the above objectives, this utility model provides a large component clamping dead point mechanism, including a limiting component, a first connecting block, a second connecting block, a third connecting block, a driving component, a mounting plate, a connecting frame, and a limiting block. The limiting component is disposed at one end of the first connecting block, one end of the second connecting block is rotatably connected to the first connecting block, and the other end of the second connecting block is rotatably connected to the third connecting block. The driving component is disposed below the second connecting block. The connecting frame is rotatably connected to the third connecting block and is located on one side of the third connecting block. The mounting plate is bolted to the connecting frame and is located on one side of the connecting frame. The limiting block is fixedly connected to the connecting frame and is located above the third connecting block.
[0006] The drive assembly includes a fixed frame, a drive frame, and a cylinder. The fixed frame is located below the second connecting block. The cylinder is rotatably connected to the fixed frame and located below the fixed frame. The drive frame is fixedly connected to the output end of the cylinder. The other end of the drive frame is rotatably connected to the second connecting block.
[0007] The driving assembly includes two sliding rails, two sliding blocks, and a limiting plate. The two sliding rails are fixedly connected to the first connecting block and located on one side of the first connecting block. The two sliding blocks are slidably connected to the two sliding rails respectively and cover the surface of the corresponding sliding rails. The limiting plate is bolted to the two sliding blocks and located above the sliding blocks. The limiting plate is also bolted to the first connecting block.
[0008] The large component clamping dead point mechanism also includes a mounting block, which is fixedly connected to the fixed frame and located below the fixed frame. Both the mounting block and the sliding rail have mounting holes on their surfaces.
[0009] This utility model discloses a large-item clamping dead-point mechanism. A limiting component is disposed at one end of a first connecting block. One end of a second connecting block is rotatably connected to the first connecting block, and the other end of the second connecting block is rotatably connected to a third connecting block. A driving component is disposed below the second connecting block. A connecting frame is rotatably connected to the third connecting block and located on one side of the third connecting block. A mounting plate is bolted to the connecting frame and located on one side of the connecting frame. A limiting block is fixedly connected to the connecting frame and located above the third connecting block, fixing the limiting component to one side of the object. The driving component pushes the second and third connecting blocks, and the second connecting block pushes the first connecting block, causing the limiting component to clamp the object. Simultaneously, the limiting block, supported above the second connecting block, limits the position of the second connecting block, ensuring that the first, second, and third connecting blocks are on the same horizontal line, thus improving stability. Attached Figure Description
[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0011] Figure 1 This is a schematic diagram of the structure of the large component clamping dead point mechanism of this utility model.
[0012] Figure 2 This is the utility model Figure 1 Schematic diagram of the structure at point A
[0013] Figure 3 This is a front view of the large component clamping dead point mechanism of this utility model.
[0014] 1-First connecting block, 2-Second connecting block, 3-Third connecting block, 4-Mounting plate, 5-Connecting frame, 6-Fixed frame, 7-Drive frame, 8-Cylinder, 9-Sliding rail, 10-Sliding block, 11-Limiting plate, 12-Mounting block, 13-Mounting hole, 14-Limiting block. Detailed Implementation
[0015] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0016] Please see Figures 1 to 3 This utility model provides a large component clamping dead point mechanism, including a limiting component, a first connecting block 1, a second connecting block 2, a third connecting block 3, a driving component, a mounting plate 4, a connecting frame 5, and a limiting block 14. The limiting component is disposed at one end of the first connecting block 1. One end of the second connecting block 2 is rotatably connected to the first connecting block 1, and the other end of the second connecting block 2 is rotatably connected to the third connecting block 3. The driving component is disposed below the second connecting block 2. The connecting frame 5 is rotatably connected to the third connecting block 3 and is located on one side of the third connecting block 3. The mounting plate 4 is bolted to the connecting frame 5 and is located on one side of the connecting frame 5. The limiting block 14 is fixedly connected to the connecting frame 5 and is located above the third connecting block 3.
[0017] In this embodiment, the limiting component is fixed to one side of the object, the driving component pushes the second connecting block 2 and the third connecting block 3, the driving component pushes the second connecting block 2, and the second connecting block 2 pushes the first connecting block 1, so that the limiting component presses the object tightly, and at the same time the limiting block 14 supports the second connecting block 2 above it to limit the position of the second connecting block 2, so that the first connecting block 1, the second connecting block 2 and the third connecting block 3 are on the same horizontal line, which improves stability.
[0018] Furthermore, the drive assembly includes a fixed frame 6, a drive frame 7, and a cylinder 8. The fixed frame 6 is disposed below the second connecting block 2. The cylinder 8 is rotatably connected to the fixed frame 6 and is located below the fixed frame 6. The drive frame 7 is fixedly connected to the output end of the cylinder 8, and the other end of the drive frame 7 is rotatably connected to the second connecting block 2.
[0019] In this embodiment, the cylinder 8 pushes the drive frame 7, the drive frame 7 drives the second connecting block 2 to move, and at the same time the cylinder 8 rotates accordingly, and the second connecting block 2 drives the first connecting block 1 to move accordingly.
[0020] Furthermore, the driving assembly includes two sliding rails 9, two sliding blocks 10, and a limiting plate 11. The two sliding rails 9 are fixedly connected to the first connecting block 1 and are located on one side of the first connecting block 1. The two sliding blocks 10 are slidably connected to the two sliding rails 9 respectively and cover the surface of the corresponding sliding rail 9. The limiting plate 11 is bolted to the two sliding blocks 10 and is located above the sliding blocks 10. The limiting plate 11 is bolted to the first connecting block 1.
[0021] In this embodiment, when the first connecting block 1 moves, it drives the limiting block 14 to move accordingly, and the two sliding blocks 10 move on the sliding rail 9, which improves stability.
[0022] Furthermore, the large component clamping dead point mechanism also includes a mounting block 12, which is fixedly connected to the fixed frame 6 and located below the fixed frame 6. The surfaces of the mounting block 12 and the sliding rail 9 are both provided with mounting holes 13.
[0023] In this embodiment, the sliding rail 9 and the mounting block 12 are installed on one side of the object through the mounting hole 13 for easy fixing.
[0024] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.
Claims
1. A large piece compression dead point mechanism, characterized in that, comprising a limiting assembly, a first connecting block, a second connecting block, a third connecting block, a driving assembly, a mounting plate, a connecting frame and a limiting block, the limiting assembly is arranged at one end of the first connecting block, one end of the second connecting block is rotatably connected with the first connecting block, the other end of the second connecting block is rotatably connected with the third connecting block, the driving assembly is arranged below the second connecting block, the connecting frame is rotatably connected with the third connecting block and located at one side of the third connecting block, the mounting plate is bolted with the connecting frame and located at one side of the connecting frame, the limiting block is fixedly connected with the connecting frame and located above the third connecting block.
2. The large piece compression dead point mechanism according to claim 1, characterized in that, the driving assembly comprises a fixed frame, a driving frame and a cylinder, the fixed frame is arranged below the second connecting block, the cylinder is rotatably connected with the fixed frame and located below the fixed frame, the driving frame is fixedly connected with the output end of the cylinder, and the other end of the driving frame is rotatably connected with the second connecting block.
3. The large piece compression dead point mechanism according to claim 2, characterized in that, the driving assembly comprises two sliding rails, two sliding blocks and a limiting plate, the two sliding rails are fixedly connected with the first connecting block and located at one side of the first connecting block, the two sliding blocks are respectively slidably connected with the two sliding rails and wrapped on the surface of the corresponding sliding rail, the limiting plate is bolted with the two sliding blocks and located above the sliding blocks, and the limiting plate is bolted with the first connecting block.
4. The large piece compression dead point mechanism according to claim 3, characterized in that, the large piece compression dead point mechanism further comprises a mounting block, the mounting block is fixedly connected with the fixed frame and located below the fixed frame, and the mounting block and the surface of the sliding rail are both provided with mounting holes.