Metal material tensile property detection clamp

Abstract

The utility model relates to the technical field of metal material detection, and discloses a metal material tensile property detection fixture which comprises a fixture table, a servo motor is fixedly mounted on one side of the fixture table, a transmission mechanism is fixedly arranged at the output end of the servo motor, and tensile blocks are in threaded connection with two sides of the surface of the transmission mechanism. According to the metal material tensile property detection clamp, through the arrangement of the transmission mechanism, the tension sensor and the display assembly, a metal material sample is fixed in the clamping mechanism and is communicated with an external power supply, and a servo motor drives a forward screw rod and a reverse screw rod to rotate, so that two groups of tensile blocks move in opposite directions; the clamping mechanism is driven to pull the metal material sample, the tension sensor senses the tensile force, the reading is displayed on the display through the controller, and when the metal material sample deforms or breaks, the reading of the display is recorded, so that the effect of detecting the tensile property of the metal material is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal material detection, in particular to a metal material tensile performance detection fixture. Background Art

[0002] The tensile properties test of metal materials is one of the important methods to evaluate the mechanical properties of metal materials under stress. This test is usually used to determine the strength, ductility and plasticity of metal materials.

[0003] However, the conventional metal material tensile property testing fixture has the following disadvantages: when the testing fixture is clamped, the fixing effect is average; when the test fixture is stretched, the sample is easily separated from the clamp, which affects the experiment. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The technical problem solved by the utility model is to provide a metal material tensile performance testing fixture which is highly practical, can be easily operated and has a relatively simple structure, thereby solving the problem that the sample is easily separated from the clamping of the fixture mentioned in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a metal material tensile performance testing fixture, including a fixture table, a servo motor is fixedly installed on one side of the fixture table, a transmission mechanism is fixedly arranged on the output end of the servo motor, both sides of the surface of the transmission mechanism are threadedly connected with stretching blocks, a support plate is fixedly installed on the top of the stretching block, a tension sensor is fixedly installed on one side of the support plate, a display component is electrically connected to one side of the tension sensor, a positioning plate is fixedly installed on one end of the tension sensor, a top plate is fixedly installed on the top of the positioning plate, a hydraulic rod is fixedly installed on the top surface of the top plate, and a clamping mechanism is fixedly installed on the bottom of the hydraulic rod and one side of the positioning plate.

[0008] As a further solution of the utility model, the transmission mechanism includes a forward screw fixedly arranged at the output end of the servo motor, a reverse screw fixedly arranged at one end of the forward screw, and the forward screw and the reverse screw are used to drive the two sets of stretching blocks to move.

[0009] As a further solution of the utility model, the clamping mechanism includes a steel sand box fixedly installed on the bottom of the hydraulic rod and one side of the positioning plate, and a plurality of clamping columns are slidably connected to the surface of the steel sand box, and the clamping columns are used to fix the metal material sample.

[0010] As a further solution of the utility model, the interior of the steel sand box is filled with steel sand, one end of the clamping column is sleeved with a protective rubber sleeve, and a cover plate is fixedly installed on one side of the steel sand box, which facilitates closing the steel sand box.

[0011] As a further solution of the utility model, the display component includes a controller electrically connected to one side of the tension sensor, one side of the controller is electrically connected to a display, the controller and the display are both fixedly mounted on the edge of the top surface of the fixture table, and the display is used to display the tensile force.

[0012] As a further solution of the utility model, sliding grooves are provided on both sides of the surface of the positioning plate, and a sliding block is fixedly provided on one side of one group of the clamping mechanisms. The sliding block is slidably connected to the inside of the sliding groove, and the sliding groove facilitates the lifting and lowering of the clamping mechanism located at the top.

[0013] As a further solution of the utility model, support legs are fixedly installed on both sides of the bottom surface of the clamp table, and a base frame is fixedly installed on the bottom of the support legs, and the support legs are used to support the clamp table.

[0014] (III) Beneficial effects

[0015] The utility model provides a metal material tensile performance testing fixture, which has the following beneficial effects:

[0016] 1. The metal material tensile performance testing fixture fixes the metal material sample in the clamping mechanism through the setting of the transmission mechanism, the tension sensor and the display component, connects to the external power supply, and the servo motor drives the forward screw and the reverse screw to rotate, so that the two sets of tensile blocks move in opposite directions, driving the clamping mechanism to pull the metal material sample. The tension sensor senses the tensile force and displays the reading on the display through the controller. When the metal material sample is deformed or broken, the display reading is recorded, thereby achieving the effect of testing the tensile performance of the metal material.

[0017] 2. The metal material tensile performance testing fixture places the two ends of the metal material on the clamping mechanism below through the setting of the clamping mechanism, opens the hydraulic rod, and drives the upper clamping mechanism to press down. When it is attached to the surface of the metal material, the clamping column will expand and contract inside the steel sand box according to the thickness and shape of the metal material. The steel sand inside the steel sand box limits the clamping column, thereby achieving the effect of firmly clamping and fixing different metal materials, with high adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the tension sensor of the utility model;

[0021] Figure 4 It is a schematic diagram of the transmission mechanism structure of the utility model.

[0022] In the figure: 1. fixture table; 2. servo motor; 3. transmission mechanism; 301. forward screw; 302. reverse screw; 4. stretching block; 5. support plate; 6. tension sensor; 7. display component; 701. controller; 702. display; 8. positioning plate; 9. top plate; 10. hydraulic rod; 11. clamping mechanism; 1101. steel sand box; 1102. clamping column; 12. protective rubber sleeve; 13. cover plate; 14. base frame. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 4 The utility model provides a technical solution: a metal material tensile performance testing fixture, comprising a fixture table 1, a servo motor 2 is fixedly installed on one side of the fixture table 1, a transmission mechanism 3 is fixedly arranged on the output end of the servo motor 2, both sides of the surface of the transmission mechanism 3 are threadedly connected with stretching blocks 4, a support plate 5 is fixedly installed on the top of the stretching block 4, a tension sensor 6 is fixedly installed on one side of the support plate 5, and a display component 7 is electrically connected to one side of the tension sensor 6. Through the arrangement of the transmission mechanism 3, the tension sensor 6 and the display component 7, the metal material sample is fixed in the clamping mechanism 11, and connected to an external power supply. The servo motor 2 drives the forward screw 301 and the reverse screw 302 to rotate, so that the two groups of stretching blocks 4 move in opposite directions, driving the clamping mechanism 11 to pull the metal material sample, the tension sensor 6 senses the tensile force, and displays the reading on the display 702 through the controller 701. When the metal material sample is deformed or broken, the reading of the display 702 is recorded, thereby achieving the effect of detecting the tensile performance of the metal material;

[0025] A positioning plate 8 is fixedly installed at one end of the tension sensor 6, a top plate 9 is fixedly installed on the top of the positioning plate 8, a hydraulic rod 10 is fixedly installed on the top surface of the top plate 9, and a clamping mechanism 11 is fixedly installed on the bottom of the hydraulic rod 10 and one side of the positioning plate 8. Through the setting of the clamping mechanism 11, the two ends of the metal material are respectively placed on the clamping mechanism 11 below, and the hydraulic rod 10 is opened to drive the clamping mechanism 11 above to press down. When it is attached to the surface of the metal material, the clamping column 1102 will expand and contract inside the steel sand box 1101 according to the thickness and shape of the metal material. The steel sand inside the steel sand box 1101 limits the clamping column 1102, thereby achieving the effect of firmly clamping and fixing different metal materials, and the adaptability is high.

[0026] The transmission mechanism 3 includes a forward screw 301 fixedly arranged at the output end of the servo motor 2 , and a reverse screw 302 is fixedly arranged at one end of the forward screw 301 .

[0027] The transmission mechanism 3 is provided to drive the two groups of stretching blocks 4 to move in opposite directions, thereby stretching the metal material.

[0028] The clamping mechanism 11 includes a steel sand box 1101 fixedly installed at the bottom of the hydraulic rod 10 and one side of the positioning plate 8. A plurality of clamping columns 1102 are slidably connected to the surface of the steel sand box 1101.

[0029] The clamping mechanism 11 is provided to firmly clamp and fix different metal materials.

[0030] The interior of the steel sand box 1101 is filled with steel sand, one end of the clamping column 1102 is sleeved with a protective rubber sleeve 12 , and a cover plate 13 is fixedly installed on one side of the steel sand box 1101 .

[0031] The cover plate 13 is provided to open and close the steel sand box 1101.

[0032] The display assembly 7 includes a controller 701 electrically connected to one side of the tension sensor 6 , one side of the controller 701 is electrically connected to a display 702 , and both the controller 701 and the display 702 are fixedly mounted on the edge of the top surface of the fixture table 1 .

[0033] The display assembly 7 is provided to display the tensile force reading.

[0034] Slide grooves are provided on both sides of the surface of the positioning plate 8 , and a sliding block is fixedly provided on one side of a group of clamping mechanisms 11 , and the sliding block is slidably connected to the inside of the slide groove.

[0035] The positioning plate 8 is provided to facilitate the sliding of the upper clamping mechanism 11 .

[0036] Support legs are fixedly installed on both sides of the bottom surface of the fixture table 1, and a base frame 14 is fixedly installed on the bottom of the support legs.

[0037] The support legs and the base frame 14 are provided to support the fixture table 1 .

[0038] The model of the tension sensor 6 is: Huilizhi LZ-LS3. The above parameters and models can be adjusted according to actual conditions.

[0039] In the utility model, the working steps of the device are as follows:

[0040] The first step: place the two ends of the metal material on the clamping mechanism 11 below respectively, open the hydraulic rod 10, drive the clamping mechanism 11 above to press down, when it is attached to the surface of the metal material, the clamping column 1102 will expand and contract inside the steel sand box 1101 according to the thickness and shape of the metal material, and the steel sand inside the steel sand box 1101 will limit the clamping column 1102, so as to firmly clamp and fix different metal materials;

[0041] Step 2: Fix the metal material sample in the clamping mechanism 11, connect the external power supply, and the servo motor 2 drives the forward screw 301 and the reverse screw 302 to rotate, so that the two sets of stretching blocks 4 move in opposite directions, driving the clamping mechanism 11 to pull the metal material sample;

[0042] Step 3: The tension sensor 6 senses the tensile force and displays the reading on the display 702 through the controller 701. When the metal material sample is deformed or broken, the reading on the display 702 is recorded to detect the tensile properties of the metal material.

[0043] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal material tensile property testing fixture, comprising a fixture table (1), characterized in that: A servo motor (2) is fixedly mounted on one side of the clamping table (1); a transmission mechanism (3) is fixedly arranged on the output end of the servo motor (2); stretching blocks (4) are threadedly connected to both sides of the surface of the transmission mechanism (3); a support plate (5) is fixedly mounted on the top of the stretching block (4); a tension sensor (6) is fixedly mounted on one side of the support plate (5); a display component (7) is electrically connected to one side of the tension sensor (6); a positioning plate (8) is fixedly mounted on one end of the tension sensor (6); a top plate (9) is fixedly mounted on the top of the positioning plate (8); a hydraulic rod (10) is fixedly mounted on the top surface of the top plate (9); a clamping mechanism (11) is fixedly mounted on the bottom of the hydraulic rod (10) and one side of the positioning plate (8).

2. A metal material tensile properties testing fixture according to claim 1, characterized in that: The transmission mechanism (3) comprises a forward screw (301) fixedly arranged at the output end of the servo motor (2), and a reverse screw (302) is fixedly arranged at one end of the forward screw (301).

3. A metal material tensile properties testing fixture according to claim 1, characterized in that: The clamping mechanism (11) comprises a steel sand box (1101) fixedly mounted on the bottom of the hydraulic rod (10) and one side of the positioning plate (8), and a plurality of clamping columns (1102) are slidably connected to the surface of the steel sand box (1101).

4. A metal material tensile properties testing fixture according to claim 3, characterized in that: The interior of the steel sand box (1101) is filled with steel sand, one end of the clamping column (1102) is sleeved with a protective rubber sleeve (12), and a cover plate (13) is fixedly installed on one side of the steel sand box (1101).

5. The metal material tensile properties testing fixture according to claim 1, characterized in that: The display assembly (7) comprises a controller (701) electrically connected to one side of the tension sensor (6), one side of the controller (701) is electrically connected to a display (702), and the controller (701) and the display (702) are both fixedly mounted on the edge of the top surface of the fixture table (1).

6. A metal material tensile properties testing fixture according to claim 1, characterized in that: Slide grooves are provided on both sides of the surface of the positioning plate (8), and a sliding block is fixedly provided on one side of one set of the clamping mechanisms (11), and the sliding block is slidably connected to the inside of the slide groove.

7. A metal material tensile properties testing fixture according to claim 1, characterized in that: Support legs are fixedly mounted on both sides of the bottom surface of the clamping table (1), and a base frame (14) is fixedly mounted on the bottom of the support legs.

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