Metal material mechanical testing machine

Abstract

The utility model belongs to the technical field of metal material testing machines, and discloses a metal material mechanical testing machine which comprises a machine base, a servo motor is arranged in the machine base, ball screws are symmetrically and rotationally arranged at the upper end of the machine base, and synchronous wheels are arranged at the bottoms of the ball screws. An output shaft of the servo motor is in transmission connection with the synchronous wheel through a reduction gear and a synchronous belt; a fixed cross beam is fixedly arranged at the top end of the ball screw, and a bearing is arranged at a connecting gap between the fixed cross beam and the ball screw; ball nuts are symmetrically arranged on the movable cross beam, and the movable cross beam is movably arranged on the ball screw through the ball nuts; the opposite surfaces of the movable cross beam and the movable cross beam are provided with stretching attachments; compression accessories are arranged on the opposite faces of the movable cross beam and the machine base.

Description

Technical Field

[0001] The utility model relates to the technical field of metal material testing machines, and more specifically to a metal material mechanics testing machine. Background Art

[0002] There are some problems with the existing metal material mechanical properties testing machines. Their structure is not reasonable enough, resulting in a bulky machine and rough processing accuracy. In terms of transmission, traditional mechanical structures or motors may be used, which makes the up and down movement of the middle crossbeam unstable and the loading efficiency is low.

[0003] In addition, its spatial design may be relatively simple, requiring frequent replacement of fixtures, which consumes a lot of time and physical effort; these problems not only affect the test efficiency, but also increase the difficulty of operation.

[0004] To this end, the present application proposes a metal material mechanical testing machine to solve the above-mentioned problems. Utility Model Content

[0005] In order to solve the above problems, the present application provides a metal material mechanical testing machine.

[0006] The present application provides a metal material mechanical testing machine that adopts the following technical solution:

[0007] A metal material mechanical testing machine, comprising:

[0008] A machine base, wherein a servo motor is arranged inside the machine base, a ball screw is symmetrically rotated at the upper end of the machine base, a synchronous wheel is arranged at the bottom of the ball screw, and the output shaft of the servo motor is connected to the synchronous wheel through a reduction gear and a synchronous belt;

[0009] A fixed crossbeam is fixedly arranged at the top end of the ball screw, and a bearing is arranged at the connection gap between the fixed crossbeam and the ball screw;

[0010] A movable crossbeam, on which a ball nut is symmetrically arranged and which is movably arranged on the ball screw through the ball nut;

[0011] The moving cross beam and the opposite surface of the moving cross beam are provided with a tensile attachment; the moving cross beam and the opposite surface of the machine base are provided with a compression attachment.

[0012] Furthermore, the machine base is provided with columns, and the columns are symmetrically arranged on both sides of the ball screw with the ball screw as the center.

[0013] Through the above technical solution, the addition of columns provides additional protection for the structural stability of the testing machine to withstand tests with larger values.

[0014] Furthermore, detachable sliders are symmetrically arranged on both sides of the movable crossbeam, and an obtuse angle is formed between the sliders and the movable crossbeam, and the obtuse angle fits the adjacent columns.

[0015] Through the above technical solution, the addition of columns provides additional protection for the structural stability of the testing machine.

[0016] Furthermore, protective covers are symmetrically arranged on the fixed crossbeam, and the protective covers cover the connection between the crossbeam and the ball screw; enclosures are symmetrically arranged on the machine base, and each group of the enclosures is located at the bottom of the protective cover and blocks the ball screw and the column from three sides.

[0017] Through the above technical solution, the addition of columns provides additional protection for the structural stability of the testing machine.

[0018] Furthermore, connecting parts are symmetrically arranged on the upper and lower surfaces of the movable crossbeam, and transverse folding baffles are arranged between the upper connecting part and the fixed crossbeam and between the lower connecting part and the machine base. The baffles and the enclosure form a closed protective structure to surround the ball screw and the column.

[0019] Through the above technical solution, the closed protection structure composed of baffles and enclosures further enhances the safety of the equipment and provides reliable protection for operators.

[0020] Furthermore, a limit rod is provided on either side of the machine base, a plurality of limit members are movably provided on the limit rod, a limit plate is provided at the bottom of the movable cross beam, and a movable path of the limit plate is within the range of the limit member.

[0021] Through the above technical solution, the ingenious design of the limit rod and the limit member can accurately limit the movement range of the moving beam, thereby providing safety protection for the operation process and reducing the risk of accidents.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] (1) The shortcomings of previous metal mechanics testing machines, such as bulky appearance, rough processing precision, and cumbersome operation, have been solved. The utility model has the advantages of reasonable structure, strong rigidity, and convenient operation. It adopts a double-space design scheme of upper pull and lower pressure to solve the problem of frequent replacement of bulky fixtures, saving time and physical strength, and greatly improving test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of this application;

[0025] Figure 2This is a schematic diagram of the structure after removing the base for this application;

[0026] Figure 3 A schematic diagram of the three-dimensional structure of this application;

[0027] Figure 4 This is a schematic diagram of the three-dimensional structure after removing the machine base for this application;

[0028] Figure 5 for Figure 4 A magnified schematic diagram of center A.

[0029] Explanation of the numbers in the figure: 1. Machine base; 2. Servo motor; 3. Ball screw; 4. Synchronous wheel; 5. Fixed beam; 6. Moving beam; 7. Ball screw nut; 8. Tensile attachment; 9. Compression attachment; 10. Column; 11. Slider; 12. Protective cover; 13. Enclosure; 14. Connector; 15. Baffle; 16. Limit rod; 17. Limit member; 18. Limit plate. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application; it is obvious that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0031] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] Example:

[0034] The following is combined with Figure 1-5 Provide further details of this application.

[0035] The present application embodiment discloses a metal material mechanical testing machine, comprising:

[0036] A machine base 1, a servo motor 2 is arranged inside the machine base 1, a ball screw 3 is symmetrically rotated at the upper end of the machine base 1, a synchronous wheel 4 is arranged at the bottom of the ball screw 3, and the output shaft of the servo motor 2 is connected to the synchronous wheel 4 through a reduction gear and a synchronous belt;

[0037] A fixed crossbeam 5 is fixedly arranged at the top of the ball screw 3, and a bearing is arranged at the connection gap between the fixed crossbeam 5 and the ball screw 3;

[0038] A movable crossbeam 6, on which a ball screw nut 7 is symmetrically arranged and which is movably arranged on the ball screw 3 through the ball screw nut 7;

[0039] The moving cross beam 6 and the opposing surfaces of the moving cross beam 6 are provided with a tension attachment 8 ; the moving cross beam 6 and the opposing surfaces of the machine base 1 are provided with a compression attachment 9 .

[0040] See also Figure 2 and Figure 5 , a column 10 is also provided on the machine base 1, and the columns 10 are symmetrically arranged on both sides of the ball screw 3 with the ball screw 3 as the center; the addition of the column 10 provides additional protection for the structural stability of the testing machine to withstand tests with larger values.

[0041] See also Figure 2 , Figure 4 and Figure 5 The two sides of the movable crossbeam 6 are provided with detachable sliders 11 symmetrically arranged, and an obtuse angle is formed between the sliders 11 and the movable crossbeam 6, and the obtuse angle fits the adjacent columns 10; the addition of the columns 10 provides additional protection for the structural stability of the testing machine.

[0042] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A protective cover 12 is symmetrically arranged on the fixed crossbeam 5, and the protective cover 12 covers the connection between the crossbeam and the ball screw 3; enclosures 13 are symmetrically arranged on the machine base 1, and each set of enclosures 13 is located at the bottom of the protective cover 12 and blocks the ball screw 3 and the column 10 from three sides; the addition of the column 10 provides additional protection for the structural stability of the testing machine.

[0043] See also Figure 2 , Figure 4 and Figure 5Connectors 14 are symmetrically arranged on the upper and lower surfaces of the movable crossbeam 6. Transverse folding baffles 15 are arranged between the upper connecting member 14 and the fixed crossbeam 5 and between the lower connecting member 14 and the machine base 1. The baffles 15 and the enclosure 13 form a closed protective structure to surround the ball screw 3 and the column 10. The closed protective structure formed by the baffles 15 and the enclosure 13 further enhances the safety of the equipment and provides reliable protection for the operator.

[0044] See also Figure 2 , Figure 4 and Figure 5 A limit rod 16 is provided on either side of the machine base 1, and a plurality of limit members 17 are movably provided on the limit rod 16. A limit plate 18 is provided at the bottom of the movable cross beam 6, and the movable path of the limit plate 18 is within the range of the limit member 17. The ingenious design of the limit rod 16 and the limit member 17 can accurately limit the moving range of the movable cross beam 6, thereby providing safety protection for the operation process and reducing the risk of accidents.

[0045] The implementation principle of a metal material mechanical testing machine in the embodiment of the present application is:

[0046] The machine is a double-column gantry structure, and is connected to a rigid floor-standing frame by a fixed crossbeam 5, a moving crossbeam 6 and a machine base 1 through a column 10 and a ball screw 3. A driving system such as an AC servo motor 2 and a synchronous wheel 4 is installed under the machine base 1. The AC servo motor 2 drives the double ball screw 3 to rotate through mechanisms such as a synchronous wheel 4 and a synchronous belt, thereby driving the moving crossbeam 6 to move up and down to load the sample. A bending attachment is installed between the moving crossbeam 6 and the machine base 1, which can perform compression and bending tests on metal material samples; a tensile attachment 8 is installed between the moving crossbeam 6 and the fixed crossbeam 5, which can perform tensile, tearing, peeling and other tests on metal material samples.

[0047] Force sensors, displacement measurement systems and deformation measurement devices can be installed according to usage requirements. The force sensor is installed at the bottom of the movable beam 6 to measure the size of the test force. The AC servo motor 2 has a built-in displacement measurement system to measure the displacement of the sample. For some metal materials with unclear yield, a special deformation measurement device (electronic extensometer) is required. The measurement and control system controls the test process and realizes data analysis and processing and the output of test results.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A metal material mechanical testing machine, characterized in that: include: A machine base (1), wherein a servo motor (2) is arranged inside the machine base (1), a ball screw (3) is symmetrically rotatably arranged at the upper end of the machine base (1), a synchronous wheel (4) is arranged at the bottom of the ball screw (3), and an output shaft of the servo motor (2) is transmission-connected to the synchronous wheel (4) via a reduction gear and a synchronous belt; A fixed crossbeam (5) is fixedly provided at the top end of the ball screw (3), and a bearing is provided at the connection gap between the fixed crossbeam (5) and the ball screw (3); A movable crossbeam (6), wherein a ball screw nut (7) is symmetrically arranged on the movable crossbeam (6) and is movably arranged on the ball screw (3) via the ball screw nut (7); The movable cross beam (6) and the opposing surfaces of the movable cross beam (6) are provided with a stretching attachment (8); and the opposing surfaces of the movable cross beam (6) and the machine base (1) are provided with a compression attachment (9).

2. A metal material mechanical testing machine according to claim 1, characterized in that: The machine base (1) is also provided with upright posts (10), and the upright posts (10) are symmetrically arranged on both sides of the ball screw (3) with the ball screw (3) as the center.

3. A metal material mechanical testing machine according to claim 2, characterized in that: Both sides of the movable crossbeam (6) are provided with detachable sliding blocks (11) which are symmetrically arranged, and an obtuse angle is formed between the sliding blocks (11) and the movable crossbeam (6), and the obtuse angle fits the adjacent upright posts (10).

4. A metal material mechanical testing machine according to claim 2, characterized in that: A protective cover (12) is symmetrically arranged on the fixed crossbeam (5), and the protective cover (12) covers the connection between the crossbeam and the ball screw (3); enclosures (13) are symmetrically arranged on the machine base (1), and each group of enclosures (13) is located at the bottom of the protective cover (12) and shields the ball screw (3) and the column (10) from three sides.

5. A metal material mechanical testing machine according to claim 4, characterized in that: Connecting members (14) are symmetrically arranged on the upper and lower surfaces of the movable crossbeam (6), and transverse folding baffles (15) are arranged between the upper connecting member (14) and the fixed crossbeam (5) and between the lower connecting member (14) and the machine base (1). The baffles (15) and the enclosure (13) form a closed protective structure to surround the ball screw (3) and the column (10).

6. A metal material mechanical testing machine according to claim 1, characterized in that: A limit rod (16) is provided on either side of the machine base (1), a plurality of limit members (17) are movably provided on the limit rod (16), a limit plate (18) is provided at the bottom of the movable cross beam (6), and a movable path of the limit plate (18) is located within the range of the limit member (17).

Images