Multi-detection clamp for mechanical main shaft

Abstract

The utility model discloses a mechanical main shaft multiple detection clamp, which relates to the main shaft detection technology field, and comprises a clamp bottom plate, two sides of the top end of the clamp bottom plate are respectively provided with a cylinder fixing plate and a main shaft baffle plate, the middle part of the top end of the clamp bottom plate is provided with a main shaft V seat, one side of the cylinder fixing plate is provided with a cutter cylinder, and the other side of the cylinder fixing plate is provided with a cutter cylinder. The telescopic end of the unclamping air cylinder is connected with an air cylinder ejector rod, the air cylinder ejector rod extends to the other side of the air cylinder fixing plate, and a fixing assembly is installed on the upper portion of the main shaft V. The multiple detection clamps for the mechanical main shaft can be applied to multiple detection devices, a main shaft broach mechanism can be rapidly and accurately detected, the overall production efficiency is improved, and the production cost is reduced. By means of the detection device, tedious detection operation is simplified, the structure is simple, the full-automatic characteristic is achieved, the overall production and use cost is reduced, and the overall production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spindle detection, in particular to a multi-detection fixture for a mechanical spindle. Background Art

[0002] Spindle testing technology is a key method for evaluating a spindle's ability to withstand alternating loads during long-term operation. Mechanical spindles play a central role in modern manufacturing equipment, particularly in high-load, high-precision applications such as CNC machine tools, aerospace equipment, and automotive manufacturing. During rotation, the spindle is subjected to complex stress states, including torque, bending forces, and shear forces. These repeatedly changing stresses can cause the spindle material to gradually accumulate damage, ultimately leading to failure due to fatigue. Fatigue testing is crucial to ensure the long-term reliability of the spindle in actual operating conditions.

[0003] Fatigue testing simulates the stress variations experienced by a spindle in a real-world operating environment to evaluate its performance under high cyclic stress. This testing method typically employs alternating loads, repeatedly applying stress under laboratory conditions until cracks or other material failure occur. Analysis of the fatigue failure point can be used to infer the spindle's fatigue life and provide a basis for design improvements.

[0004] Test results are typically used to measure the lifespan of a spindle under various operating conditions, such as speed, load, and temperature. This is crucial for ensuring stable and safe operation. For example, in CNC machine tools, spindle failure can not only halt production but also damage the machine itself or the workpiece, resulting in significant financial losses.

[0005] Furthermore, fatigue testing not only helps evaluate the performance of existing spindles but also provides fundamental data for the development of new materials and the design of new spindles. Fatigue testing can reveal how materials behave under high stress environments, allowing optimization and selection of materials more suitable for specific operating conditions. For designers, fatigue testing can also reveal structural weaknesses in the spindle, enabling optimization of geometry and manufacturing processes to enhance fatigue resistance. In summary, fatigue testing of mechanical spindles is crucial for ensuring equipment safety, extending service life, and improving production efficiency. This testing allows manufacturers and engineers to comprehensively assess the fatigue resistance of the spindle and implement effective measures to enhance its durability and ensure reliable operation under various operating conditions. Monitoring the fatigue state of the spindle allows for the timely detection of defects such as cracks, further enhancing equipment safety. In short, spindle fatigue testing, as a crucial tool for ensuring the safety and reliability of mechanical equipment, will continue to evolve and improve with technological advancements. Fatigue testing not only extends equipment service life but also provides a scientific basis for design improvements and material selection, thereby driving increased industrial production efficiency. Utility Model Content

[0006] The technical problem to be solved by the present invention is to address the deficiencies of the above-mentioned existing technologies and to provide a tool that can be applied to a variety of detection devices, can quickly and accurately detect the spindle broaching mechanism, improve overall production efficiency, and extend the service life of the spindle.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a mechanical spindle multiple detection fixture, including a fixture base plate, a cylinder fixing plate and a spindle baffle are respectively installed on both sides of the top of the fixture base plate, and a spindle V-seat is installed in the middle of the top of the fixture base plate, a cutting cylinder is installed on one side of the cylinder fixing plate, the telescopic end of the cutting cylinder is connected to the cylinder push rod, the cylinder push rod extends to the other side of the cylinder fixing plate, and a fixing component is installed on the upper part of the spindle V-seat.

[0008] Furthermore, a "V"-shaped limiting groove is provided inside the spindle V seat.

[0009] Furthermore, a trumpet-shaped limiting groove 2 is provided inside the spindle baffle.

[0010] Furthermore, the fixing assembly includes two screws that are threadedly connected to the spindle V-seat, the outer parts of the two screws are slidably connected to a pressure plate, and the outer part of each screw and above the pressure plate is threadedly connected to a nut.

[0011] Furthermore, a "V"-shaped limiting groove inside the spindle V seat supports the spindle.

[0012] Furthermore, the spindle baffle and the cylinder push rod can constrain the lateral position of the spindle, and the fixing assembly can constrain the vertical position of the spindle.

[0013] The utility model provides a multi-detection fixture for a mechanical spindle. Compared with the prior art, it has the following advantages:

[0014] The mechanical spindle multiple detection fixture can be applied to a variety of detection devices, can quickly and accurately detect the spindle broaching mechanism, improve overall production efficiency, and extend the service life of the spindle. Through this detection device, the tedious detection operation is simplified. Its structure is simple and has fully automated characteristics, which reduces the overall production and use costs and improves the overall production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3 This is a three-dimensional schematic diagram of the utility model after the main shaft is removed;

[0018] Figure 4 It is a three-dimensional schematic diagram of the fixing component in the present utility model.

[0019] In the figure: 1. Knife cylinder; 2. Cylinder fixing plate; 3. Spindle V-seat; 4. Spindle baffle; 5. Cylinder push rod; 6. Fixing assembly; 61. Screw; 62. Pressure plate; 63. Nut; 7. Clamp base plate; 8. Spindle. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 The utility model provides a technical solution: a mechanical spindle multiple detection fixture, which consists of a fixture base plate 7, a cylinder fixing plate 2, a spindle baffle 4, a spindle V seat 3, a knife cylinder 1, a cylinder push rod 5 and a fixing assembly 6. Among them, the cylinder fixing plate 2, the spindle baffle 4, and the spindle V seat 3 are all installed on the top of the fixture base plate 7, the spindle V seat 3 is located between the cylinder fixing plate 2 and the spindle baffle 4, the knife cylinder 1 is installed on one side of the cylinder fixing plate 2, and a through hole is reserved inside the cylinder fixing plate 2. The telescopic end of the knife cylinder 1 can be telescopic inside the through hole. , and the telescopic end of the knife cylinder 1 is connected to the cylinder push rod 5, and the fixing assembly 6 is installed on the upper part of the spindle V seat 3. Specifically, two threaded holes are reserved at the top of the spindle V seat 3. The fixing assembly 6 consists of two screws 61, a pressure plate 62 and two nuts 63. The two screws 61 are screwed into the inside of the two threaded holes for fixing. The pressure plate 62 is sleeved on the outside of the two screws 61, and the pressure plate 62 can slide up and down along the screws 61. The two nuts 63 are screwed on the outside of the two screws 61 through threads and are located above the pressure plate 62.

[0022] In addition, a "V"-shaped limiting groove 1 is provided inside the spindle V-seat 3, and a trumpet-shaped limiting groove 2 is provided inside the spindle baffle 4. When using the fixture, the fixture is assembled first. First, the cylinder fixing plate 2, the spindle baffle 4, and the spindle V-seat 3 are respectively installed on the fixture bottom plate 7, and then the knife cylinder 1 with the cylinder push rod 5 is installed on the side of the cylinder fixing plate 2. Then, the spindle 8 to be tested is placed inside the "V"-shaped limiting groove 1, and the broaching mechanism (a combination of the shaft boss and the shaft boss spring) on ​​one end of the spindle 8 to be tested is against the cylinder push rod 5, and the other end of the spindle 8 to be tested is against the spindle baffle 4 and extends to the trumpet-shaped limiting groove 2. Finally, the fixing component 6 is installed on the spindle V-seat 3, and the spindle 8 to be tested is pressed down and fixed, so as to complete the assembly and fixation of the spindle 8 to be tested.

[0023] After fixing, compress the air and push the cylinder push rod 5 through the cutting cylinder 1 to compress the axis boss of the main shaft 8 and put the main shaft 8 into the cutting state. At this time, insert the tensile test gauge into the tapered hole, deflate the cutting cylinder 1 and retract the tool to test whether the tension is qualified. After the test is completed, remove the tensile test gauge, and then you can directly carry out fatigue testing. The cutting cylinder 1 repeatedly compresses the axis boss to test the fatigue of the main shaft 8, simulating the state of the main shaft 8 under extreme conditions. After the test is completed, you can directly set up the gauge to test the spindle accuracy. Through the above steps, you can effectively evaluate the accuracy of the mechanical spindle, ensure that it provides stable performance during the processing process, and thus improve the processing quality and production efficiency of the product.

Claims

1. A mechanical spindle multiple detection fixture, comprising a fixture base plate (7), characterized in that: A cylinder fixing plate (2) and a spindle baffle (4) are respectively installed on both sides of the top of the clamp base plate (7), and a spindle V seat (3) is installed in the middle of the top of the clamp base plate (7). A knife-cutting cylinder (1) is installed on one side of the cylinder fixing plate (2). The telescopic end of the knife-cutting cylinder (1) is connected to a cylinder push rod (5), and the cylinder push rod (5) extends to the other side of the cylinder fixing plate (2). A fixing component (6) is installed on the upper part of the spindle V seat (3).

2. A mechanical spindle multiple detection fixture according to claim 1, characterized in that: A "V"-shaped limiting groove is provided inside the spindle V seat (3).

3. The mechanical spindle multiple detection fixture according to claim 1, characterized in that: A second horn-shaped limiting groove is provided inside the spindle baffle (4).

4. The mechanical spindle multiple detection fixture according to claim 1, characterized in that: The fixing assembly (6) includes two screws (61) both threadedly connected to the spindle V-base (3), the outer portions of the two screws (61) being slidably connected to a pressure plate (62), and the outer portion of each screw (61) and located above the pressure plate (62) being threadedly connected to a nut (63).

5. The mechanical spindle multiple detection fixture according to claim 2, characterized in that: A "V"-shaped limiting groove inside the spindle V seat (3) carries the spindle (8).

6. The multiple detection fixture for a mechanical spindle according to claim 1, characterized in that: The spindle baffle (4) and the cylinder push rod (5) can constrain the lateral position of the spindle (8), and the fixing assembly (6) can constrain the vertical position of the spindle (8).

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