Clamping mechanism for mechanical design and manufacturing

Through the combination of components such as hydraulic cylinders, pressure sensors and electromagnets, multi-directional clamping and fixation of the workpiece is achieved, solving the problems of increased labor intensity and workpiece displacement caused by manual operation in the existing technology, ensuring clamping stability and pressure monitoring, and improving processing quality.

CN223395091UActive Publication Date: 2025-09-30韩旭东
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Patent Information

Application Number
CN202422055968.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2025-09-30
Estimated Expiration
2034-08-23

AI Technical Summary

Technical Problem

In existing mechanical design and manufacturing, the clamping mechanism requires manual operation, which increases labor intensity and makes the workpiece easily displaced during the clamping process, affecting the processing quality.

Method used

It uses components such as hydraulic cylinders, pressure sensors, movable splints, rubber pads, limit splints, steel ropes and springs, combined with the locking and limiting structure of electromagnets and springs to achieve multi-directional clamping and fixation of the workpiece, and guides the workpiece through guide wheels and guide rods to ensure clamping stability.

Benefits of technology

Effectively avoid workpiece displacement, ensure clamping stability, monitor clamping pressure, prevent splint displacement caused by hydraulic cylinder failure, and improve workpiece fixation effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The clamping mechanism for mechanical design and manufacturing comprises a base and a hydraulic cylinder, first springs are fixedly connected to the middle ends of the two sides of an inner cavity of the base, side clamping plates are fixedly connected to the sides, close to each other, of the two first springs, and steel ropes are fixedly connected to the sides, close to each other, of the two side clamping plates. Through the arrangement of the base, a machined part needing to be clamped can be supported in the mechanical design and manufacturing process, and through the arrangement of the hydraulic cylinder, the pressure sensor, the movable clamping plate, the rubber pad, the limiting clamping plate, the steel rope, the side clamping plate and the first spring, the effect of effectively clamping and fixing the periphery of the machined part is achieved; according to the clamping and fixing device for the machining part, displacement of the machining part during subsequent machining operation is effectively avoided, the stability of clamping and fixing operation is guaranteed, meanwhile, the clamping pressure borne by the machining part can be monitored, and personnel can conveniently observe the clamping pressure borne by the machining part.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical design and manufacturing, in particular to a clamping mechanism for mechanical design and manufacturing. Background Art

[0002] Mechanical design is an important part of mechanical engineering, the first step in mechanical production, and the most important factor in determining mechanical performance. The goal of mechanical design is to design the best machine under various limited conditions (such as materials, processing capabilities, theoretical knowledge, and calculation methods, etc.), that is, to make an optimized design. Clamping mechanisms are widely used in mechanical design and are often used to clamp parts so that they can be stably installed to facilitate observation of the parts or further processing operations.

[0003] For example, the Chinese utility model provides "a clamp for mechanical manufacturing", announcement number: CN213003908U, which includes a workbench, brackets are fixedly installed on both sides of the bottom of the workbench, a drive motor is fixedly installed on the bottom of the workbench, a rotating shaft is fixedly installed on the top of the workbench, a rotating table is fixedly installed on the top of the rotating shaft, an adjusting rod is fixedly installed on one side of the rotating table, and an adjusting plate is fixedly installed on one end of the adjusting rod. The utility model provides a clamp for mechanical manufacturing, which can first adsorb the workpiece on the first magnetic block or the second magnetic block during the process of clamping the workpiece, so as to facilitate subsequent clamping of the workpiece, without the need for manual support before clamping, and the clamping process is relatively simple, which is convenient for fixing the workpiece, convenient for observing smaller workpieces, and convenient for staff to understand the processing position more clearly.

[0004] Although the mechanical manufacturing clamps in the above-mentioned technology can clamp the workpiece, the clamping process often requires manual operation by personnel, which greatly increases the intensity of the labor work. At the same time, during use, only movable clamps and fixed clamps are used to clamp and fix the workpiece, and it is impossible to effectively fix the workpiece in multiple directions. As a result, the workpiece is easily displaced in the front and rear directions due to the large force during the operation, which in turn has an adverse effect on the processing of the workpiece. Utility Model Content

[0005] The purpose of the utility model is to provide a clamping mechanism for mechanical design and manufacturing, which has the advantage of being able to effectively clamp and fix a workpiece in multiple positions, effectively preventing the workpiece from being displaced due to excessive force, thereby ensuring the stability of the clamping and fixing.

[0006] To achieve the above-mentioned object, the utility model provides the following technical solution: A clamping mechanism for mechanical design and manufacturing, comprising a base and a hydraulic cylinder, wherein the middle ends of both sides of the base inner cavity are fixedly connected to a first spring, the sides of the two first springs close to each other are fixedly connected to a side clamping plate, the sides of the two side clamping plates close to each other are fixedly connected to a steel rope, and the right sides of the two steel ropes are fixedly connected to a limit clamping plate, the left end of the bottom of the base inner cavity is fixedly connected to a fixed tooth plate, the output end of the hydraulic cylinder is fixedly installed with a pressure sensor, a movable clamping plate is fixedly installed on the right side of the pressure sensor, and a rubber pad is fixedly connected to the right side of the movable clamping plate, the middle end of the bottom of the movable clamping plate is fixedly connected to a T-shaped fixing frame, the middle end of the T-shaped fixing frame is fixedly installed with an electromagnet, a movable frame is movably connected between the two ends of the bottom of the T-shaped fixing frame, the top of the movable frame is fixedly connected to an iron block, the top of the iron block is adsorbed on the bottom of the electromagnet, the bottom of the movable frame is fixedly connected to a movable tooth plate, and a third spring is fixedly connected between the middle end of the top of the movable tooth plate and the middle end of the bottom of the T-shaped fixing frame.

[0007] As a preferred solution, the middle end of the top of the inner cavity of the base is movably connected to a guide wheel through a bearing, there are two guide wheels, and the middle end of the steel rope is movably connected to the surface of the guide wheel.

[0008] As a preferred solution, both ends of the limiting splint are movably connected to a guide cross bar, the right side of the guide cross bar is fixedly connected to the right side of the base inner cavity, and a second spring is fixedly connected between the right side of the limiting splint and the right side of the base inner cavity, and the number of the second springs is two.

[0009] As a preferred solution, both ends of the top of the base are provided with accommodating holes, both ends of the accommodating holes are fixedly connected with guide slide rods, and the surface of the side clamping plate is movably connected to the surface of the guide slide rod.

[0010] As a preferred solution, the left end of the top of the base is fixedly connected to a support slide bar, and the upper end of the T-shaped fixing frame is movably connected to the surface of the support slide bar.

[0011] As a preferred solution, the upper end of the left side of the outer surface of the base is fixedly connected to a support frame, and the top of the hydraulic cylinder is fixedly installed on the upper end of the support frame.

[0012] As a preferred solution, both ends of the bottom of the outer surface of the base are fixedly connected to mounting brackets, a mounting hole is provided at the bottom of the mounting bracket, the left end of the front surface of the base is fixedly connected to a PLC controller, and a display screen is fixedly installed on the upper end of the PLC controller.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The cam is pressed against the workpiece and the workpiece is clamped in a fixed position so that the workpiece can be clamped and the workpiece can be fixed to the workpiece surface by the hydraulic cylinder, the pressure sensor, the movable clamp, the rubber pad, the limit clamp, the steel rope, the side clamp and the first spring. The cam is pressed against the workpiece and the workpiece is clamped and fixed to the workpiece surface by the hydraulic cylinder, the pressure sensor, the movable clamp, the rubber pad, the limit clamp, the steel rope, the side clamp and the first spring are arranged to achieve the effect of effectively clamping and fixing the workpiece on all sides, effectively avoiding the workpiece from being displaced during subsequent processing operations, and ensuring the stability of the clamping and fixing operation. At the same time, the clamping pressure exerted on the workpiece can be monitored so that personnel can observe the clamping pressure exerted on the workpiece. Moreover, the cam is effectively locked and limited by the arrangement of the electromagnet, the iron block, the third spring, the movable frame, the movable tooth plate and the fixed tooth plate and the T-shaped fixed frame, so that the movable clamp can be prevented from being displaced to the left due to a malfunction or pressure relief of the hydraulic cylinder during the clamping and fixing of the workpiece, thereby further ensuring the stability of the clamping and fixing of the workpiece, and facilitating the use of personnel.

[0015] The cam is pressed against the second support rod and the second support rod is pressed against the support rod to prevent the cam from tilting during the movement of the cam, thereby facilitating the cam to move the cam forward and backward, thereby preventing the cam from tilting during the movement of the cam. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the base of the utility model when viewed from above;

[0018] Figure 3 This is a schematic diagram of the front cross-sectional structure of the base of the utility model;

[0019] Figure 4 This is a schematic diagram of a partial front cross-sectional structure of a T-shaped fixing frame of the present invention.

[0020] In the figure: 1. Base; 2. PLC controller; 3. Mounting frame; 4. Side clamp; 5. Limit clamp; 6. Movable clamp; 7. Pressure sensor; 8. Hydraulic cylinder; 9. Support frame; 10. First spring; 11. Steel rope; 12. Guide cross bar; 13. Guide wheel; 14. Receiving hole; 15. Guide slide bar; 16. Second spring; 17. Rubber pad; 18. T-shaped fixing frame; 19. Movable tooth plate; 20. Fixed tooth plate; 21. Electromagnet; 22. Iron block; 23. Moving frame; 24. Third spring; 25. Support slide bar. DETAILED DESCRIPTION

[0021] 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.

[0022] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0023] Example 1:

[0024] See also Figure 1-Figure 4 As shown, the utility model provides a clamping mechanism for mechanical design and manufacturing, including a base 1 and a hydraulic cylinder 8. The middle ends of both sides of the inner cavity of the base 1 are fixedly connected with a first spring 10, the side of the two first springs 10 close to each other is fixedly connected with a side clamping plate 4, the side of the two side clamping plates 4 close to each other is fixedly connected with a steel rope 11, and the right sides of the two steel ropes 11 are fixedly connected with a limited clamping plate 5, the left end of the bottom of the inner cavity of the base 1 is fixedly connected with a fixed tooth plate 20, the output end of the hydraulic cylinder 8 is fixedly installed with a pressure sensor 7, and the right side of the pressure sensor 7 is fixedly installed with an active The splint 6 and the right side of the movable splint 6 are fixedly connected with a rubber pad 17, the middle end of the bottom of the movable splint 6 is fixedly connected with a T-shaped fixing frame 18, the middle end of the T-shaped fixing frame 18 is fixedly installed with an electromagnet 21, and a movable frame 23 is movably connected between the two ends of the bottom of the T-shaped fixing frame 18, the top of the movable frame 23 is fixedly connected with an iron block 22, the top of the iron block 22 is adsorbed on the bottom of the electromagnet 21, and the bottom of the movable frame 23 is fixedly connected with a movable tooth plate 19, and a third spring 24 is fixedly connected between the middle end of the top of the movable tooth plate 19 and the middle end of the bottom of the T-shaped fixing frame 18.

[0025] In this technical solution, through the setting of the base 1, the workpiece that needs to be clamped can be supported during the process of mechanical design and manufacturing. Through the setting of the hydraulic cylinder 8, pressure sensor 7, movable splint 6, rubber pad 17, limit splint 5, steel rope 11, side splint 4 and first spring 10, the workpiece is effectively clamped and fixed on all sides, effectively avoiding the displacement of the workpiece during subsequent processing operations, and ensuring the stability of the clamping and fixing operation. At the same time, the clamping pressure exerted on the workpiece can be monitored, so that personnel can observe the clamping pressure exerted on the workpiece. Through the setting of the electromagnet 21, iron block 22, third spring 24, movable frame 23, movable tooth plate 19 and fixed tooth plate 20 and T-shaped fixed frame 18, the movable splint 6 can be effectively locked and limited, avoiding the movable splint 6 from causing a large displacement to the left due to failure or pressure relief of the hydraulic cylinder 8 during the clamping and fixing of the workpiece, further ensuring the stability of the clamping and fixing of the workpiece, and facilitating use by personnel.

[0026] Example 2:

[0027] On the basis of embodiment 1, the present invention is as follows Figure 1-Figure 3 As shown, it is disclosed that the middle end of the top of the inner cavity of the base 1 is movably connected to a guide wheel 13 through a bearing, and the number of guide wheels 13 is two. The middle end of the steel rope 11 is movably connected to the surface of the guide wheel 13, and both ends of the limiting splint 5 are movably connected to the guide cross bar 12. The right side of the guide cross bar 12 is fixedly connected to the right side of the inner cavity of the base 1. A second spring 16 is fixedly connected between the right side of the limiting splint 5 and the right side of the inner cavity of the base 1. The number of the second spring 16 is two. Both ends of the top of the base 1 are provided with a receiving hole 14, and both ends of the receiving hole 14 are fixedly connected to a guide slide bar 15, the surface of the side splint 4 is movably connected to the surface of the guide slide 15, the left end of the top of the base 1 is fixedly connected to the support slide 25, the upper end of the T-shaped fixing frame 18 is movably connected to the surface of the support slide 25, the upper end of the left side of the outer surface of the base 1 is fixedly connected to the support frame 9, the top of the hydraulic cylinder 8 is fixedly installed on the upper end of the support frame 9, both ends of the bottom of the outer surface of the base 1 are fixedly connected to the mounting frame 3, the bottom of the mounting frame 3 is provided with a mounting hole, the left end of the front surface of the base 1 is fixedly connected to the PLC controller 2, and the upper end of the PLC controller 2 is fixedly installed with a display screen.

[0028] The second spring 16 is provided with the guide wheel 13, and the second spring 16 is provided with the guide wheel 13, so that the steel rope 11 is guided and the two sets of side clamps 4 are pulled toward each other during the movement of the limit clamp 5. The guide cross bar 12 and the second spring 16 are provided to support and guide the limit clamp 5 to prevent the limit clamp 5 from tilting during the movement, and the second spring 16 is compressed to generate corresponding tension during the movement of the limit clamp 5, so that the limit clamp 5 can be reset to the left side later. The arrangement of the accommodating hole 14 and the guide slide bar 15 is achieved to support and guide the side clamp 4 to prevent the side clamp 4 from tilting during the movement. The arrangement of the support slide bar 25 is achieved to support and guide the T-shaped fixing frame 18 to prevent the T-shaped fixing frame 18 from tilting during the movement. The arrangement of the support frame 9 is achieved to support and fix the hydraulic cylinder 8. The arrangement of the mounting frame 3 and the mounting hole is convenient for personnel to install and fix the base 1 with bolts.

[0029] The working principle of the present utility model is as follows: through the setting of the base 1, the workpiece to be clamped can be supported during the process of mechanical design and manufacturing, and the pressure sensor 7, the movable splint 6 and the rubber pad 17 can be pushed to the right by controlling the extension of the hydraulic cylinder 8. The movable splint 6 and the rubber pad 17 can contact the left side of the workpiece while moving, and push the workpiece to move to the right and contact the surface of the limit splint 5. At the same time, under the action of the movable splint 6 and the workpiece continuing to move, the limit splint 5 can be pushed to move to the right. The movement of the limit splint 5 can pull the two groups of side splints 4 to the side close to each other through the steel rope 11, and can stretch the first spring 10 until the surfaces of the movable splint 6, the limit splint 5 and the side splint 4 can be in close contact with the surface of the workpiece, thereby achieving the effect of effectively clamping and fixing the workpiece on all sides, and effectively avoiding the workpiece in the subsequent When the workpiece is clamped and fixed, displacement occurs, which ensures the stability of the clamping and fixing operation. At the same time, under the action of the pressure sensor 7, the clamping pressure exerted on the workpiece can be monitored, so that personnel can observe the clamping pressure exerted on the workpiece. When the workpiece is clamped and fixed, the electromagnet 21 is controlled to stop working, causing the magnetic force that attracts the iron block 22 to disappear, and under the push of the third spring 24 that is pre-compressed, the movable frame 23, the iron block 22 and the movable tooth plate 19 can be pushed downward, so that the movable tooth plate 19 can engage with the fixed tooth plate 20 under the action of movement, thereby effectively locking and limiting the T-shaped fixing frame 18 and the movable splint 6, avoiding the movable splint 6 from being displaced to the left due to a failure or pressure relief of the hydraulic cylinder 8 during the clamping and fixing of the workpiece, further ensuring the stability of the clamping and fixing of the workpiece, and facilitating use by personnel.

[0030] It is important to note that the configuration and arrangement of the present application, as shown in various exemplary embodiments, are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reading this disclosure will readily appreciate that numerous modifications are possible (e.g., variations in the size, dimensions, structure, shape, and proportions of various components, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without materially departing from the novel teachings and advantages of the subject matter described herein. For example, components shown as integrally formed may be constructed from multiple parts or components, the positions of components may be inverted or otherwise altered, and the nature, number, or position of discrete components may be modified or changed. Therefore, all such modifications are intended to be encompassed within the scope of this invention. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover structures described herein that perform the function described, and not only structural equivalence but also equivalent structures. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0031] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A clamping mechanism for mechanical design and manufacturing, comprising a base (1) and a hydraulic cylinder (8), characterized in that: The middle ends of both sides of the inner cavity of the base (1) are fixedly connected to the first spring (10), the sides of the two first springs (10) close to each other are fixedly connected to the side clamping plate (4), the sides of the two side clamping plates (4) close to each other are fixedly connected to the steel rope (11), and the right sides of the two steel ropes (11) are fixedly connected to the limiting clamping plate (5), the left end of the bottom of the inner cavity of the base (1) is fixedly connected to the fixed tooth plate (20), the output end of the hydraulic cylinder (8) is fixedly installed with a pressure sensor (7), the right side of the pressure sensor (7) is fixedly installed with a movable clamping plate (6), and the right side of the movable clamping plate (6) is fixedly connected to a rubber The movable splint (6) is fixedly connected to a T-shaped fixing frame (18) at the middle end of the bottom, an electromagnet (21) is fixedly installed at the middle end of the T-shaped fixing frame (18), a movable frame (23) is movably connected between the two ends of the bottom of the T-shaped fixing frame (18), an iron block (22) is fixedly connected to the top of the movable frame (23), the top of the iron block (22) is adsorbed on the bottom of the electromagnet (21), and a movable tooth plate (19) is fixedly connected to the bottom of the movable tooth plate (19), and a third spring (24) is fixedly connected between the middle end of the top of the movable tooth plate (19) and the middle end of the bottom of the T-shaped fixing frame (18).

2. A clamping mechanism for mechanical design and manufacturing according to claim 1, characterized in that: The middle end of the top of the inner cavity of the base (1) is movably connected to a guide wheel (13) via a bearing, and the number of the guide wheels (13) is two. The middle end of the steel rope (11) is movably connected to the surface of the guide wheel (13).

3. The clamping mechanism for mechanical design and manufacturing according to claim 1, characterized in that: Both ends of the limiting clamp (5) are movably connected to a guide cross bar (12), the right side of the guide cross bar (12) is fixedly connected to the right side of the inner cavity of the base (1), and a second spring (16) is fixedly connected between the right side of the limiting clamp (5) and the right side of the inner cavity of the base (1), and the number of the second springs (16) is two.

4. The clamping mechanism for mechanical design and manufacturing according to claim 1, characterized in that: Both ends of the top of the base (1) are provided with accommodating holes (14), both ends of the accommodating holes (14) are fixedly connected to guide slide bars (15), and the surface of the side clamping plate (4) is movably connected to the surface of the guide slide bar (15).

5. The clamping mechanism for mechanical design and manufacturing according to claim 1, characterized in that: The left end of the top of the base (1) is fixedly connected to a support slide bar (25), and the upper end of the T-shaped fixing frame (18) is movably connected to the surface of the support slide bar (25).

6. The clamping mechanism for mechanical design and manufacturing according to claim 1, characterized in that: The upper end of the left side of the outer surface of the base (1) is fixedly connected to a support frame (9), and the top of the hydraulic cylinder (8) is fixedly mounted on the upper end of the support frame (9).

7. The clamping mechanism for mechanical design and manufacturing according to claim 1, characterized in that: Both ends of the bottom of the outer surface of the base (1) are fixedly connected to mounting frames (3), the bottom of the mounting frame (3) is provided with a mounting hole, the left end of the front surface of the base (1) is fixedly connected to a PLC controller (2), and the upper end of the PLC controller (2) is fixedly mounted with a display screen.

Citation Information

Patent Citations

  • Clamp for machine manufacturing

    CN213003908U