Metal material toughness detection equipment

By designing a metal material toughness testing device suitable for sheet metal, the problems of limited applicability and uneven stretching of existing devices have been solved, achieving efficient and accurate toughness testing of sheet metal materials.

CN223815284UActive Publication Date: 2026-01-20ZHENGZHOU UNIVERSITY OF AERONAUTICS
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Patent Information

Application Number
CN202520023675.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-01-20
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing metal material toughness testing devices are not suitable for sheet materials that are difficult to process into rod shapes, and the sheet material is stretched unevenly during testing.

Method used

A metal material toughness testing device was designed, including a tensile unit and a fixture. The movable block and tensile seat are moved by a lead screw, and the measuring axis and guide rail limit the movement to achieve uniform tensile testing of the plate. The toughness of the material is calculated by stress-strain curve.

Benefits of technology

It enables uniform tensile testing of sheet materials, improving the accuracy and applicability of test results, and is suitable for sheet materials that are difficult to process into rod shapes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the field of metal detection, and provides metal material toughness detection equipment which comprises a rack, a stretching unit and a clamp, the two ends of a sample plate can be clamped through cooperation of the sleeve and the clamping block, the movement of the movable block and the stretching seat is controlled by controlling the rotation direction of the lead screw, and therefore a material is subjected to stretching test, and the measuring shaft is connected with a measuring system, so that the material is subjected to stretching test when the material is stretched; the stress-strain curve of the material can be obtained through the measuring system, then the toughness of the material is calculated, the stretching seat can be limited by matching the arranged guide rail with the guide groove, and the stretching uniformity of the plate is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to metal detection field especially relates to a metal material toughness detection equipment. BACKGROUND

[0002] The toughness of metal is reflected in its ability to extend and deform without breaking and its ability to resist impact. Metals with good toughness can absorb energy in the form of plastic deformation when subjected to a certain degree of tensile or compressive force, without immediately breaking.

[0003] The current metal material toughness detection device usually needs to process the metal into a standard test bar for detection, which limits its application range. Especially for plate materials that are difficult to process into a bar, the detection is difficult. In addition, the existing metal material toughness detection device is also difficult to ensure the uniformity of the plate material during stretching. SUMMARY

[0004] The purpose of the utility model embodiment is to provide a metal material toughness detection equipment, which aims to solve the problems raised in the background art.

[0005] The utility model embodiment is implemented in the following way: a metal material toughness detection equipment, comprising a rack, further comprising:

[0006] A stretching unit, the stretching unit comprises a motor fixedly arranged in the rack, a shaft coupling is sleeved with the motor main shaft, the other end of the shaft coupling is sleeved with a lead screw, bearings are sleeved on the outer side of the lead screw, a fixed plate for installation is fixedly arranged at the position corresponding to the bearing in the inner side of the rack, a shaft hole matched with the outer diameter of the bearing is fixedly arranged at the position corresponding to the bearing of the fixed plate, a fixed seat is fixedly arranged on one side of the upper end of the rack, an axle seat is fixedly arranged on one side of the upper end of the rack, a measuring shaft is fixedly connected in the middle of the fixed seat, one end of the measuring shaft is movably penetrated through the axle seat and extends to one side of the axle seat, a stretching seat is movably arranged on the upper end of the rack, the stretching seat comprises a movable block fixedly arranged at the lower end of the stretching seat and integrally formed with the stretching seat, a threaded hole matched with the outer side thread of the lead screw is fixedly arranged in the middle of the movable block, the movable block is movably sleeved on the outer side of the lead screw, a guide rail is further fixedly arranged on the upper end of the rack, a guide groove matched with the cross section of the guide rail is fixedly arranged at the position corresponding to the guide rail of the lower end of the stretching seat.

[0007] Clamp, two groups of said clamp is fixedly arranged at one end of the measuring shaft and one side of the stretching seat respectively, the clamp includes a mounting seat, the mounting seat is movably provided with a clamp block, the outer side of the mounting seat is provided with a sleeve, the inner side of the sleeve is fixedly provided with an internal thread, the outer side of the mounting seat is fixedly provided with an external thread matched with the internal thread of the sleeve, one end of the mounting seat is fixedly provided with two groups of limiting blocks, the side edge of the clamp block is fixedly provided with a limiting groove matched with the limiting block at the position of the limiting block.

[0008] As a further scheme of the utility model: the fixed plate is arranged as a plate structure with a cross section matched with the inside of the rack, and a plurality of rib plates for reinforcement are fixedly arranged on the side surface of the fixed plate.

[0009] As a further scheme of the utility model: the fixed seat, the shaft seat and the stretching seat are all plates with the same shape, a plurality of rib plates for reinforcement fixedly connected with one side of the fixed seat are fixedly arranged on the rack at the position of one side of the fixed seat, and a plurality of rib plates for reinforcement fixedly connected with one side of the stretching seat are fixedly arranged on the upper end of the movable block at the position of one side of the stretching seat.

[0010] As a further scheme of the utility model: the mounting seat is arranged as a hollow structure, the clamp block is arranged as an arc structure as a whole, one end of the clamp block is movably arranged in the inside of the mounting seat, and the other end of the clamp block is provided with an inclined surface and arranged on the outside of the mounting seat.

[0011] As a further scheme of the utility model: the sleeve is arranged as a cylindrical structure, and the inner side of the sleeve is provided with an inclined surface matched with the inclined surface on the outer side of the clamp block.

[0012] The metal material toughness detection equipment provided in the embodiment of the utility model can clamp the two ends of the sample plate through the sleeve and the clamp block, control the rotation direction of the lead screw, control the movement of the movable block and the stretching seat, thereby stretching the material for testing, connect the measuring system through the measuring shaft, obtain the stress-strain curve of the material through the measuring system when the material is stretched, calculate the toughness of the material, and limit the stretching seat through the guide rail and the guide groove, thereby ensuring the uniformity of the stretching of the plate. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model provides a kind of metal material toughness detection equipment for the embodiment of the utility model, as shown in the figure;

[0014] Figure 2 The utility model provides a kind of metal material toughness detection equipment for the embodiment of the utility model, as shown in the figure;

[0015] Figure 3 For Figure 2 The enlarged schematic view of A in the middle.

[0016] In the attached diagram: 1. Frame; 2. Tensioning unit; 3. Motor; 4. Coupling; 5. Lead screw; 6. Bearing; 7. Fixing plate; 71. Shaft hole; 8. Fixing seat; 9. Shaft seat; 10. Measuring shaft; 11. Tensioning seat; 111. Movable block; 112. Threaded hole; 113. Guide groove; 12. Guide rail; 13. Fixture; 14. Mounting seat; 141. Limiting block; 15. Clamping block; 151. Limiting groove; 16. Sleeve. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0018] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0019] like Figures 1 to 3 As shown, an embodiment of the present invention provides a metal material toughness testing device, including a frame 1, and further comprising:

[0020] The tensioning unit 2 includes a motor 3 fixedly mounted inside a frame 1. One end of the motor 3's main shaft is fixedly sleeved with a coupling 4, and the other end of the coupling 4 is sleeved with a lead screw 5. Bearings 6 are sleeved on both outer ends of the lead screw 5. A mounting plate 7 is fixedly mounted on the inner side of the frame 1 at the position corresponding to the bearings 6. A shaft hole 71, matching the outer diameter of the bearing 6, is fixedly mounted on the mounting plate 7 at the position corresponding to the bearing 6. A mounting base 8 is fixedly mounted on one side of the upper end of the frame 1, and a shaft seat 9 is fixedly mounted on the side of the upper end of the frame 1 adjacent to the mounting base 8. A connecting rod is fixedly mounted in the middle of the mounting base 8. A measuring shaft 10 is connected, one end of which movably passes through a shaft seat 9 and extends to one side of the shaft seat 9. A tension seat 11 is movably provided at the upper end of the frame 1. The tension seat 11 includes a movable block 111 fixedly provided at the lower end of the tension seat 11 and integrally formed with the tension seat 11. A threaded hole 112 adapted to the outer thread of the lead screw 5 is fixedly provided in the middle of the movable block 111. The movable block 111 is movably sleeved on the outer side of the lead screw 5. A guide rail 12 is also fixedly provided at the upper end of the frame 1. A guide groove 113 adapted to the cross section of the guide rail 12 is fixedly provided at the lower end of the tension seat 11 at the position corresponding to the guide rail 12.

[0021] Clamp 13, two groups of said clamp 13 is fixedly arranged at one end of the measuring shaft 10 and one side of the stretching seat 11 respectively, the clamp 13 includes the mounting seat 14, the mounting seat 14 is movably provided with the clamping block 15, the outer side of the mounting seat 14 is provided with the sleeve 16, the inner side of the sleeve 16 is fixedly provided with the internal thread, the outer side of the mounting seat 14 is fixedly provided with the external thread matched with the internal thread of the sleeve 16, one end of the mounting seat 14 is fixedly provided with two groups of limiting blocks 141, the side of the clamping block 15 is fixedly provided with the limiting groove 151 matched with the limiting block 141 at the position corresponding to the limiting block 141.

[0022] In an embodiment of the utility model, through the sleeve 16 cooperation clamping block 15 can be with both ends of the sample board clamping, then through the control screw rod 5 rotation direction, further control movable block 111 and the movement of stretching seat 11, to material is stretched test, through the setting measuring shaft 10 connection measurement system, when material is stretched, can obtain the stress strain curve of the material through the measurement system, and then calculate the material toughness, through the setting guide rail 12 cooperation guide slot 113, can be positioned to stretching seat 11, guarantee the uniformity of plate stretching.

[0023] In an embodiment of the utility model, in use, the both ends of the plate to be detected are processed into an I-shaped sample, the sample is clamped in the mounting seat 14 by the clamping block 15, the clamping block 15 is fixed by the threaded connection of the sleeve 16 and the mounting seat 14, and the inclined surfaces provided on the inner side of the sleeve 16 and the outer side of the clamping block 15 are extruded to each other, the extrusion force is transmitted to the surface of the sample, the sample is clamped, the motor 3 is started to drive the screw rod 5 to rotate through the coupling 4, the movable block 111 and the stretching seat 11 are moved under the action of the screw rod 5 and the threaded hole 112 to stretch the sample, the stress on the measuring shaft 10 and the displacement of the screw rod 5 are measured, the stress strain curve of the sample can be obtained by the computer, and the area covered under the stress strain curve can represent the energy consumed by the sample during the stretching process, and the energy can represent the toughness of the material.

[0024] As shown in Figure 2 As a preferred embodiment of the utility model, the fixed plate 7 is provided as a plate-shaped structure with a cross section matched with the inside of the rack 1, and a plurality of rib plates are fixedly arranged on the side surface of the fixed plate 7 for reinforcement.

[0025] In an embodiment of the utility model, the fixed plate 7 is provided as a support plate for the movement of the screw rod 5, which can ensure the stability of the movement of the screw rod 5, and the bearing 6 is provided in cooperation to reduce the friction of the screw rod 5, so that the rotation is more smooth and the energy consumption is reduced.

[0026] As shown in Figure 1 and Figure 2As shown, as a preferred embodiment of the utility model, the fixed seat 8, the shaft seat 9, the stretching seat 11 are all the same shape board, the rack 1 upper end is fixedly provided with multiple groups of the rib plate for reinforcing fixedly connected with the fixed seat 8 side at the position of the fixed seat 8 side, the movable block 111 upper end is fixedly provided with multiple groups of the rib plate for reinforcing fixedly connected with the stretching seat 11 side at the position of the stretching seat 11 side.

[0027] In an example of the utility model, the fixed seat 8, the shaft seat 9, the stretching seat 11 are set up the same shape, the shaft seat 9, the measuring shaft 10, the clamp 13 and the template are in a straight line, the uniformity of the template stretching can be ensured, so that the detection result is more accurate, the rib plate is set up, the fixed seat 8 and the stretching seat 11 are reinforced, and the fixed seat 8 and the stretching seat 11 are prevented from being deformed by stretching reaction force.

[0028] As shown, Figure 3 As shown, as a preferred embodiment of the utility model, the mounting seat 14 is set as a hollow structure, the clamp block 15 is set as an arc structure as a whole, one end of the clamp block 15 is movably located in the inside of the mounting seat 14, and the other end of the clamp block 15 is provided with an inclined surface and located outside the mounting seat 14.

[0029] Further, the sleeve 16 is set as a cylindrical structure, and the inside of the sleeve 16 is provided with an inclined surface matched with the inclined surface of the outside of the clamp block 15.

[0030] In an example of the utility model, the template is clamped in the mounting seat 14 by the clamp block 15, then the clamp block 15 is fixed by the threaded connection of the sleeve 16 and the mounting seat 14, and the inclined surfaces set on the inside of the sleeve 16 and the outside of the clamp block 15 are extruded to each other, so that the extrusion force is conducted to the surface of the template, and the template is clamped.

[0031] For those skilled in the art, it is obvious that the present application is not limited to the details of the above-mentioned exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0032] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0033] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the restriction of the utility model. In addition, the terms "first", "second" and so on are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and so on can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0034] In the description of the utility model, it should be explained that, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0035] In addition, it should be understood that, although the present specification is described according to the embodiments, not every embodiment contains only one independent technical scheme, the description manner of the specification is only for the sake of clarity, the skilled in the art should regard the specification as a whole, the technical scheme in each embodiment can also be properly combined, form other embodiments that the skilled in the art can understand.

Claims

1. A metal material toughness testing apparatus comprising a frame (1), characterized in that, Also includes: The stretching unit (2) includes a motor (3) fixedly arranged in the rack (1), the motor (3) main shaft fixed sleeve joint has a shaft (4) one end, the other end of the shaft (4) and the lead screw (5) sleeve, the lead screw (5) outside both ends are provided with bearing (6), the rack (1) inside corresponding bearing (6) position is fixedly provided with the fixed plate (7) for installation, the fixed plate (7) corresponding bearing (6) position is fixedly provided with the shaft hole (71) matched with the outer diameter of bearing (6), the rack (1) upper end one side is fixedly provided with fixed seat (8), the rack (1) upper end is fixedly provided with shaft seat (9) on one side of fixed seat (8), the fixed seat (8) middle part is fixedly connected with measuring shaft (10), the measuring shaft (10) one end is movably penetrated through the shaft seat (9) and extends to one side of the shaft seat (9), the rack (1) upper end movably provided with stretching seat (11), the stretching seat (11) includes a movable block (111) fixedly arranged at the lower end of the stretching seat (11) and integrated with the stretching seat (11), the movable block (111) middle part is fixedly provided with the threaded hole (112) matched with the outer thread of the lead screw (5), the movable block (111) is movably sleeved on the outer side of the lead screw (5), the rack (1) upper end is also fixedly provided with guide rail (12), the stretching seat (11) lower end is fixedly provided with guide groove (113) matched with the cross section of guide rail (12) at the position corresponding to guide rail (12). The clamp (13) is fixedly arranged on one end of the measuring shaft (10) and one side of the stretching seat (11), respectively, the clamp (13) includes a mounting seat (14), the mounting seat (14) is movably provided with a clamping block (15), the mounting seat (14) is provided with a sleeve (16) outside, the sleeve (16) is fixedly provided with internal thread inside, the mounting seat (14) is fixedly provided with external thread matched with the internal thread of the sleeve (16) outside corresponding to the internal thread of the sleeve (16), the mounting seat (14) one end is fixedly provided with two groups of limiting block (141), the side edge of the clamping block (15) is fixedly provided with limiting groove (151) matched with the limiting block (141) at the position corresponding to the limiting block (141).

2. The metal material toughness testing apparatus according to claim 1, wherein The fixed plate (7) is provided as a plate structure with a cross section matched with the inside of the rack (1), and a plurality of rib plates for reinforcement are fixedly arranged on the side surface of the fixed plate (7).

3. The metal material toughness testing apparatus according to claim 2, wherein The fixed seat (8), the shaft seat (9) and the stretching seat (11) are plates with the same shape, a plurality of rib plates for reinforcement fixedly connected with one side of the fixed seat (8) are fixedly arranged on the rack (1) upper end at the position corresponding to one side of the fixed seat (8), and a plurality of rib plates for reinforcement fixedly connected with one side of the stretching seat (11) are fixedly arranged on the upper end of the movable block (111) at the position corresponding to one side of the stretching seat (11).

4. The metal material toughness testing apparatus according to claim 3, wherein The mounting base (14) is provided as a hollow structure, the clamping block (15) is provided as an overall arc structure, one end of the clamping block (15) is movably arranged inside the mounting base (14), and the other end of the clamping block (15) is provided with an inclined surface and is arranged outside the mounting base (14).

5. The metal material toughness testing apparatus according to claim 4, wherein The sleeve (16) is provided as a cylindrical structure, and the inner side of the sleeve (16) is provided with an inclined surface matched with the inclined surface on the outer side of the clamping block (15).