Mechanical clamp for mechanical design
By designing mechanical fixtures for components such as sliding frames, deflection plates and limit rods, the adaptation problem of fixtures to irregular workpieces is solved, and the stable clamping of workpieces and positioning during processing is achieved.
Patent Information
- Application Number
- CN202422277717.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-09-18
AI Technical Summary
Existing fixtures are difficult to adapt to workpieces with irregular shapes, resulting in offsets during processing.
A mechanical fixture is designed to achieve adaptive and extrusion fixation of the workpiece recesses and protrusions through the coordination of sliding frames, deflection plates, limit rods, slots and screws, and improve the stability of the workpiece through friction plates and guide rods.
The stable clamping of irregular-shaped workpieces is achieved, avoiding offsets during processing, and adapting to the shape changes of different workpiece surfaces.
Smart Images

Figure CN223265615U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamps, in particular to a mechanical clamp for mechanical design. Background Art
[0002] Mechanical design is a process in which the working principle, structure, movement mode, force and energy transmission mode, material, shape and size of each part, lubrication method, etc. of the machine are conceived, analyzed and calculated according to the requirements of use, and then converted into a specific description as a basis for manufacturing. During mechanical design and processing, in order to ensure the accuracy of the mechanical workpiece, it is usually necessary to use a fixture to fix the workpiece.
[0003] With respect to the above-mentioned related technologies, the defects of the existing fixtures are that the surfaces of some workpieces are provided with multiple recesses and protrusions, and the shapes of the workpiece surfaces are irregular, resulting in the inability of the existing fixtures to adaptively clamp and limit the workpieces, causing the workpieces to be offset during the processing process. Therefore, the present utility model provides a mechanical fixture for mechanical design. Utility Model Content
[0004] The purpose of this application is to provide a mechanical fixture for mechanical design, so as to solve the problem proposed in the above background technology that the surface of some workpieces is provided with multiple recesses and the shape of the workpiece surface is irregular, resulting in the inability of the existing fixture to adaptively clamp and limit the workpiece, causing the workpiece to be offset during the processing.
[0005] The top of the fixing plate is provided with a toothed plate, and the fixing plate is fixed with a toothed plate so as to be fixed with a toothed plate so as to be fixed with a toothed plate.
[0006] Preferably, through holes are provided on both sides of the sliding frame, and a rotating rod is rotatably connected to the side surface of the inner wall of the through hole. One end of the rotating rod is fixedly connected to the side surface of the deflection plate to guide the deflection plate.
[0007] Preferably, one end of the rotating rod away from the deflection plate is fixedly connected to a screw rod, and the outer side of the screw rod is threadedly connected to a nut to facilitate fixing the screw rod.
[0008] Preferably, a pair of positioning plates are fixedly connected to the top of the support plate, and a hydraulic push rod is fixedly connected to the side of the positioning plate.
[0009] Preferably, the output end of the hydraulic push rod is fixedly connected to a connecting block, and the connecting block is fixedly connected to the side surface of the sliding frame.
[0010] Preferably, a pair of positioning blocks are fixedly connected to the top of the support plate, and a guide rod is fixedly connected between the pair of positioning blocks.
[0011] Preferably, a guide hole adapted to the guide rod is opened on the inner side of the sliding frame, and the guide rod is slidably connected to the inner wall of the guide hole. The guide rod guides the sliding frame to prevent the sliding frame from deflecting during sliding.
[0012] Preferably, a groove is provided on the top of the support plate, and a friction plate is fixedly connected to the side surface of the inner wall of the groove.
[0013] In summary, the technical effects and advantages of the utility model are:
[0014] 1. In the present invention, the position of a specific limit rod can be adjusted by coordinating the sliding frame, the deflection plate, the limit rod, the slotted hole, the screw, and the connecting slot, so that the end of the limit rod can be abutted against the concave part of the workpiece. By adaptively squeezing multiple limit rods with the corresponding concave parts and protrusions, irregularly shaped workpieces can be adaptively limited and fixed.
[0015] 2. In the present invention, the deflection plate, nut, screw and rotating rod are arranged in coordination so that the deflection plate can adapt to a workpiece with an inclined surface, making the use of the fixture more comprehensive and flexible.
[0016] 3. In the present invention, the friction plate is provided to increase the friction between the friction plate and the workpiece, thereby facilitating the placement of the workpiece. The guide rod and the guide hole are provided to guide the sliding frame, thereby preventing the sliding frame from deflecting during the sliding process. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1 This is a schematic diagram of the axial structure of the utility model from a first perspective;
[0019] Figure 2 This is a schematic diagram of the axial structure from a second viewing angle of the present invention;
[0020] Figure 3 This is a structural diagram of the sliding frame and the guide hole in the utility model;
[0021] Figure 4 It is a structural schematic diagram of the deflection plate and the empty slot in the utility model.
[0022] In the figure: 1. Support plate; 2. Positioning plate; 3. Hydraulic push rod; 4. Connecting block; 5. Sliding frame; 6. Deflection plate; 7. Fixed plate; 8. Limit rod; 9. Slot hole; 10. Connecting groove; 11. Threaded hole; 12. Screw; 13. Groove; 14. Friction plate; 15. Guide rod; 16. Positioning block; 17. Through hole; 18. Nut; 19. Screw; 20. Rotating rod; 21. Guide hole; 22. Empty slot. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean 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, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.
[0025] Example 1: Reference Figure 1-4The mechanical fixture for mechanical design shown in the figure includes a support plate 1, which is characterized in that: a pair of sliding frames 5 are slidably connected to the top of the support plate 1, and a deflection plate 6 is slidably connected to the inner wall side of the sliding frame 5, and a plurality of empty slots 22 are provided on the inner side of the deflection plate 6, and a limit assembly is provided on the inner wall side of the empty slot 22; the inner side of the fixing plate 7 is provided with a slotted hole 9, and the inner wall side of the slotted hole 9 is slidably connected to a limit rod 8, and the outer side of the fixing plate 7 is provided with a connecting groove 10 connected to the slotted hole 9, and the outer side of the fixing plate 7 is provided with a threaded hole 11, and the inner wall side of the threaded hole 11 is threadedly connected with a screw 12, and one end of the limit rod 8 is set in an arc surface, which is convenient for adaptive extrusion limiting of the concave part on the surface of the workpiece, so that the limiting of the workpiece is more stable. Fixed; through holes 17 are provided on both sides of the sliding frame 5, and the inner wall side of the through hole 17 is rotatably connected to a rotating rod 20, one end of the rotating rod 20 is fixedly connected to the side of the deflection plate 6, and the rotating rod 20 plays a limiting role on the deflection plate 6 to prevent the deflection plate 6 from deflecting during the rotation process; the end of the rotating rod 20 away from the deflection plate 6 is fixedly connected to a screw 19, and the outer side of the screw 19 is threadedly connected to a nut 18 for easy limiting and fixing of the screw 19; a pair of positioning plates 2 are fixedly connected to the top of the support plate 1, and a hydraulic push rod 3 is fixedly connected to the side of the positioning plate 2, and the positioning plate 2 plays a supporting role for the hydraulic push rod 3; the output end of the hydraulic push rod 3 is fixedly connected to a connecting block 4, which is fixedly connected to the side of the sliding frame 5, and the hydraulic push rod 3 drives the sliding frame 5 to move through the connecting block 4.
[0026] In this embodiment, the workpiece is placed on the friction plate 14, and a pair of hydraulic push rods 3 are controlled to drive the corresponding connecting blocks 4 and the sliding frame 5 to slide along the guide rod 15, and the limit rod 8 is dragged to slide along the slot 9 so that the end of the limit rod 8 is against the recess of the workpiece, and the screw 12 is twisted to make the two sides of the inner wall of the connecting groove 10 close to each other, and the limit rod 8 is clamped and fixed. By adjusting the position of the limit rod 8, the same operation of making the limit rod 8 against the surface of the workpiece is performed, and the positions of multiple limit rods 8 are adjusted to adapt the workpiece to the limit. If the surface of the workpiece has an inclined surface, the deflection plate 6 is dragged to drive the rotating rod 20 to deflect at a suitable angle so that the deflection plate 6 adapts to the inclined surface of the workpiece, and the nut 18 is threadedly connected to the screw 19 and tightened to keep the screw 19, the rotating rod 20, and the deflection plate 6 stable so that it can adapt to the workpiece with an inclined surface.
[0027] Example 2: Reference Figure 1-4Based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that a pair of positioning blocks 16 are fixedly connected to the top of the support plate 1, and a guide rod 15 is fixedly connected between the pair of positioning blocks 16 to guide the sliding frame 5 to prevent the sliding frame 5 from deflecting during the sliding process; a guide hole 21 adapted to the guide rod 15 is opened on the inner side of the sliding frame 5, and the guide rod 15 is slidably connected to the inner wall of the guide hole 21; a groove 13 is opened on the top of the support plate 1, and a friction plate 14 is fixedly connected to the side of the inner wall of the groove 13.
[0028] In this embodiment, the provision of the friction plate 14 increases the friction force between the friction plate 14 and the workpiece, making it easier to place the workpiece.
[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A mechanical fixture for mechanical design, comprising a support plate (1), characterized in that: The top of the support plate (1) is slidably connected to a pair of sliding frames (5), the inner wall side surfaces of the sliding frames (5) are slidably connected to a deflection plate (6), the inner side surfaces of the deflection plate (6) are provided with a plurality of slots (22), and the inner wall side surfaces of the slots (22) are provided with a limiting assembly; The limiting assembly comprises a fixing plate (7) fixedly connected to the inner wall side of the empty slot (22), a slot hole (9) is provided on the inner side of the fixing plate (7), a limiting rod (8) is slidably connected to the inner wall side of the slot hole (9), a connecting groove (10) connected to the slot hole (9) is provided on the outer side of the fixing plate (7), a threaded hole (11) is provided on the outer side of the fixing plate (7), a screw (12) is threadedly connected to the inner wall side of the threaded hole (11), and one end of the limiting rod (8) is arranged in an arc surface.
2. A mechanical fixture for mechanical design according to claim 1, characterized in that: Through holes (17) are provided on both sides of the sliding frame (5), and a rotating rod (20) is rotatably connected to the side surface of the inner wall of the through hole (17), and one end of the rotating rod (20) is fixedly connected to the side surface of the deflection plate (6).
3. The mechanical fixture for mechanical design according to claim 2, characterized in that: One end of the rotating rod (20) away from the deflection plate (6) is fixedly connected to a screw rod (19), and the outer side of the screw rod (19) is threadedly connected to a nut (18).
4. The mechanical fixture for mechanical design according to claim 1, characterized in that: A pair of positioning plates (2) are fixedly connected to the top of the support plate (1), and a hydraulic push rod (3) is fixedly connected to the side of the positioning plate (2).
5. The mechanical fixture for mechanical design according to claim 4, characterized in that: The output end of the hydraulic push rod (3) is fixedly connected to a connecting block (4), and the connecting block (4) is fixedly connected to the side of the sliding frame (5).
6. The mechanical fixture for mechanical design according to claim 1, characterized in that: A pair of positioning blocks (16) are fixedly connected to the top of the support plate (1), and a guide rod (15) is fixedly connected between the pair of positioning blocks (16).
7. The mechanical fixture for mechanical design according to claim 6, characterized in that: A guide hole (21) adapted to the guide rod (15) is provided on the inner side of the sliding frame (5), and the guide rod (15) is slidably connected to the inner wall of the guide hole (21).
8. The mechanical fixture for mechanical design according to claim 6, characterized in that: A groove (13) is provided on the top of the support plate (1), and a friction plate (14) is fixedly connected to the side surface of the inner wall of the groove (13).