CN213714953U - Material plasticity test equipment - Google Patents

Abstract

A material plasticity test device comprises a first support plate, a second support plate, a rotary table, a second limiting rod, a test piece, a third support plate, a box body, a first sliding plate, a power device, a first screw and scale marks; the second supporting plate is arranged on the first supporting plate; the rotating disc is positioned in the blind hole; the second limiting rod is arranged on the outer wall of the rotary table; the third supporting plate is arranged on the first supporting plate, and the second supporting plate and the third supporting plate are both provided with clamping mechanisms; the box body is arranged on the third supporting plate; the first sliding plate is arranged on the first supporting plate in a sliding mode; the power device is arranged on the first sliding plate, and the first screw rod is matched with the first threaded hole; the scale mark is arranged on the first supporting plate. The utility model discloses in, the initial length of test piece and the length homoenergetic after breaking can directly read out according to the scale mark, labour saving and time saving, and enable two fractures of test piece after breaking and dock completely, improve the degree of accuracy of reading the length after breaking.

Description

Material plasticity test equipment

Technical Field

The utility model relates to a material property test equipment technical field especially relates to a material plasticity test equipment.

Background

The maximum capability of a metal material to generate permanent deformation without damage under the action of an external force is called plasticity, the elongation of the gauge length of a sample in a tensile test and the reduction of area of the sample are generally used as evaluation indexes, the elongation is the ratio of the difference between the gauge length after the fracture of the sample is combined and the original gauge length of the sample to the original gauge length, the reduction of area psi is the ratio of the difference between the original cross-sectional area after the sample is fractured and the minimum cross-sectional area at the fracture thin neck to the original cross-sectional area in the tensile test, and the larger the value of delta to psi, the better the plasticity of the material is. The existing plasticity test is usually carried out by a tensile testing machine, the test process is accompanied with a great amount of measurements, such as the length measurement of an initial measurement material, the length measurement of a broken material, the section diameter measurement of an initial measurement material, the section diameter measurement of a broken material and the diameter measurement are usually carried out by using a vernier caliper, but a steel ruler or a tape measure is required for the initial length and the broken length measurement, particularly, the measurement is carried out after the end port of the broken material is butted, the measurement process is complicated, and large errors are easily generated.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a material plasticity test equipment, the initial length of test piece and the length homoenergetic after breaking can directly read out according to the scale mark, need not measure, labour saving and time saving, and can rotate the test piece through rotatory carousel, make the fracture of two test pieces after breaking can dock completely, improve the degree of accuracy of reading the length after breaking.

(II) technical scheme

The utility model provides a material plasticity test device, which comprises a first support plate, a second support plate, a turntable, a second limiting rod, a test piece, a third support plate, a box body, a first sliding plate, a power device, a first screw rod and scale marks;

the second support plate is vertically and longitudinally arranged on the first support plate, a blind hole is formed in the end face, facing the third support plate, of the second support plate, a longitudinal strip-shaped groove is formed in the second support plate, an opening is formed in the upper end face of the second support plate by the strip-shaped groove, and the strip-shaped groove is communicated with the blind hole; the rotating disc is positioned in the blind hole and is rotationally connected with the wall of the blind hole, and the end face of the rotating disc, facing the third supporting plate, and the end face of the second supporting plate, facing the third supporting plate, are positioned in the same plane; the second limiting rod is vertically arranged on the outer wall of the rotary table, the top of the second limiting rod penetrates through the strip-shaped groove and extends into the upper part of the second supporting plate, and a first positioning assembly for fixing the second limiting rod is arranged on the second supporting plate; the third supporting plate is vertically and longitudinally arranged on the first supporting plate, the third supporting plate is positioned between the first sliding plate and the second supporting plate, the third supporting plate is connected with the first supporting plate in a sliding mode, the sliding direction is close to or far away from the second supporting plate, a group of clamping mechanisms for clamping a test piece are arranged on the opposite end faces of the second supporting plate and the third supporting plate, and two ends of the test piece are respectively in contact with the second supporting plate and the third supporting plate; the box body is arranged on the end face, facing the first sliding plate, of the third supporting plate, and a first horizontal threaded hole is formed in the box wall, facing the first sliding plate, of the box body; the first sliding plate is arranged on the first supporting plate in a sliding mode, the sliding direction of the first sliding plate is close to or far away from the third supporting plate, and a second positioning assembly for fixing the position of the first sliding plate is arranged on the first supporting plate; the power device is arranged on the first sliding plate and is in transmission connection with the first screw rod, a speed reducing mechanism is arranged in the power device, the first screw rod is horizontally and transversely arranged, and the first screw rod is matched with the first threaded hole; the scale mark transversely sets up on first backup pad, and the zero scale mark and the second backup pad right side terminal surface of scale mark align, and the scale mark sets up along the direction of second backup pad toward the third backup pad.

Preferably, the first positioning assembly comprises a sixth supporting plate, a seventh supporting plate, a bolt and a second sliding plate; the sixth supporting plate is vertically arranged on the second supporting plate; the seventh supporting plate is horizontally arranged on the sixth supporting plate, a threaded hole matched with the bolt is formed in the seventh supporting plate, and the bottom of the bolt penetrates through the threaded hole to be rotatably connected with the second sliding plate; the second sliding plate is arranged on the end face, facing the bolt, of the sixth supporting plate in a sliding mode, the sliding direction of the second sliding plate is the vertical direction, the second sliding plate is located below the seventh supporting plate, and a second through hole for the second limiting rod to penetrate through is formed in the second sliding plate.

Preferably, the second positioning assembly comprises a fourth support plate, a fifth support plate, a second screw and a knob; a first through hole which is horizontal and longitudinal is arranged on the first sliding plate; the fourth supporting plate is longitudinally arranged on the first supporting plate and is connected with the first supporting plate in a sliding mode, the sliding direction of the fourth supporting plate is that the fourth supporting plate is longitudinally close to or far away from the first sliding plate, a first limiting rod is arranged on the end face, facing the first sliding plate, of the fourth supporting plate, the first limiting rod is inserted into the first through hole in a matched mode, the fourth supporting plate is provided with two groups, the two groups of fourth supporting plates are symmetrical relative to the first sliding plate, opposite second threaded holes are formed in the two groups of fourth supporting plates, and the thread directions of the two groups of second threaded holes are opposite; the fifth supporting plates are vertically arranged on the first supporting plates, two groups of fifth supporting plates are arranged, the two groups of fifth supporting plates are symmetrical relative to the first sliding plate, and the two groups of fourth supporting plates are positioned between the two groups of fifth supporting plates; the two groups of second screw rods are respectively and rotatably arranged on the two groups of fifth supporting plates, the thread directions of the two groups of second screw rods are opposite, the two groups of second screw rods are respectively matched with the two groups of second threaded holes, and the two groups of second screw rods respectively penetrate through the two groups of second threaded holes and are coaxially connected; the knob is arranged at the connecting position of the two groups of second screw rods.

Preferably, the bottom of the first supporting plate is provided with a plurality of groups of universal wheels.

Preferably, the periphery of the knob is provided with an anti-slip silica gel layer.

The above technical scheme of the utility model has following profitable technological effect: placing the test piece on the two groups of clamping mechanisms, respectively abutting two ends of the test piece against a second supporting plate and a third supporting plate by adjusting the power device to rotate forwards or backwards, then clamping the test piece through the two groups of clamping mechanisms, reading the initial length of the test piece through the scale marks, driving the first screw rod to rotate through the power device, driving the third supporting plate to move through the box body by the first screw rod, thereby stretching the test piece until the test piece is broken, stopping the power device, adjusting the second positioning component, loosening the fixing of the first sliding plate, pushing the first sliding plate to approach and butt the fracture of the test piece, reading the length of the test piece after the break, if the fracture is not in butt joint, adjusting the first positioning component, loosening the fixing of the second limiting rod, holding the second limiting rod to rotate the turntable, and adjusting the angle of the test piece clamped on the second supporting plate, the fracture of the two test pieces which are broken by pulling can be successfully butted, and the accuracy of reading the length of the test piece after being broken by pulling is improved. The initial length of test piece and the length homoenergetic after breaking can directly read out according to the scale mark, need not measure, labour saving and time saving, and can rotate the test piece through rotatory carousel, make two fractures of cutting the test piece after breaking dock completely, improve the degree of accuracy of reading the length after breaking.

Drawings

Fig. 1 is a schematic structural diagram of the material plasticity testing device provided by the utility model.

Fig. 2 is an enlarged schematic view of a point a of the material plasticity testing device provided by the utility model.

Fig. 3 is a side view of the material plasticity test equipment provided by the utility model.

Reference numerals: 1. a first support plate; 2. a second support plate; 3. blind holes; 4. a turntable; 5. a strip-shaped groove; 6. a second limiting rod; 7. a sixth support plate; 8. a seventh support plate; 9. a bolt; 10. a second slide plate; 11. a second through hole; 12. a clamping mechanism; 13. testing the piece; 14. a third support plate; 15. a box body; 16. a first threaded hole; 17. a first slide plate; 18. a power plant; 19. a first screw; 20. a first through hole; 21. a fourth support plate; 22. a first limit rod; 23. a second threaded hole; 24. a fifth support plate; 25. a second screw; 26. a knob; 27. scale lines are marked.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a material plasticity test device, which comprises a first support plate 1, a second support plate 2, a rotary table 4, a second limiting rod 6, a test piece 13, a third support plate 14, a box body 15, a first sliding plate 17, a power device 18, a first screw rod 19 and scale marks 27;

the second support plate 2 is vertically and longitudinally arranged on the first support plate 1, a blind hole 3 is formed in the end face, facing the third support plate 14, of the second support plate 2, a longitudinal strip-shaped groove 5 is formed in the second support plate 2, an opening is formed in the upper end face of the second support plate 2 by the strip-shaped groove 5, and the strip-shaped groove 5 is communicated with the blind hole 3; the rotary table 4 is positioned in the blind hole 3, the rotary table 4 is rotationally connected with the hole wall of the blind hole 3, and the end face of the rotary table 4 facing the third supporting plate 14 and the end face of the second supporting plate 2 facing the third supporting plate 14 are positioned in the same plane; the second limiting rod 6 is vertically arranged on the outer wall of the rotary table 4, the top of the second limiting rod 6 penetrates through the strip-shaped groove 5 and extends into the upper part of the second supporting plate 2, and a first positioning component for fixing the second limiting rod 6 is arranged on the second supporting plate 2; the third supporting plate 14 is vertically and longitudinally arranged on the first supporting plate 1, the third supporting plate 14 is positioned between the first sliding plate 17 and the second supporting plate 2, the third supporting plate 14 is connected with the first supporting plate 1 in a sliding mode, the sliding direction is close to or far away from the second supporting plate 2, a group of clamping mechanisms 12 for clamping the test piece 13 are arranged on the end faces, opposite to the second supporting plate 2 and the third supporting plate 14, of the second supporting plate 2, and two ends of the test piece 13 are respectively in contact with the second supporting plate 2 and the third supporting plate 14; the box body 15 is arranged on the end face, facing the first sliding plate 17, of the third supporting plate 14, and a first horizontal threaded hole 16 is formed in the box wall, facing the first sliding plate 17, of the box body 15; the first sliding plate 17 is arranged on the first supporting plate 1 in a sliding manner, the sliding direction of the first sliding plate 17 is close to or far away from the third supporting plate 14, and the first supporting plate 1 is provided with a second positioning assembly for fixing the position of the first sliding plate 17; the power device 18 is arranged on the first sliding plate 17, the power device 18 is in transmission connection with the first screw rod 19, a speed reducing mechanism is arranged in the power device 18, the first screw rod 19 is horizontally and transversely arranged, and the first screw rod 19 is matched with the first threaded hole 16; the scale marks 27 are transversely arranged on the first support plate 1, zero scale marks of the scale marks 27 are aligned with the right end face of the second support plate 2, and the scale marks 27 are arranged along the second support plate 2 towards the third support plate 14.

In the utility model, the test piece 13 is placed on the two groups of clamping mechanisms 12, the two ends of the test piece 13 are respectively abutted against the second supporting plate 2 and the third supporting plate 14 by adjusting the positive rotation or the reverse rotation of the power device 18, then the test piece 13 is clamped by the two groups of clamping mechanisms 12, the initial length of the test piece 13 is read out by the scale mark 27, the power device 18 drives the first screw rod 19 to rotate, the first screw rod 19 drives the third supporting plate 14 to move by the box body 15, thereby stretching the test piece 13 until the test piece 13 is broken, the power device 18 is stopped, the second positioning component is adjusted, the fixing of the first sliding plate 17 is released, the first sliding plate 17 is pushed to approach and butt the fracture of the test piece 13, the length of the test piece 13 after being broken is read out, if the fracture is not butted, the first positioning component is adjusted, the fixing of the second limiting rod 6 is released, the second limiting rod 6 is held to rotate the rotary table 4, the angle of the test piece 13 clamped on the second supporting plate 2 is adjusted, the fracture surfaces of the two test pieces 13 which are broken by pulling can be successfully butted, and the accuracy of reading the length of the test piece 13 which is broken by pulling is improved. The utility model discloses in, the initial length of test piece 13 and the length homoenergetic after breaking can directly read out according to scale mark 27, need not measure, labour saving and time saving, and can rotate test piece 13 through rotatory carousel 4, make two sections test piece 13's after breaking fracture can dock completely, improve the degree of accuracy of reading the length after breaking.

In an alternative embodiment, the first positioning assembly includes a sixth support plate 7, a seventh support plate 8, a bolt 9, and a second slide plate 10; the sixth supporting plate 7 is vertically arranged on the second supporting plate 2; the seventh supporting plate 8 is horizontally arranged on the sixth supporting plate 7, a threaded hole matched with the bolt 9 is formed in the seventh supporting plate 8, and the bottom of the bolt 9 penetrates through the threaded hole to be rotatably connected with the second sliding plate 10; the second sliding plate 10 is arranged on the end face, facing the bolt 9, of the sixth supporting plate 7 in a sliding mode, the sliding direction of the second sliding plate 10 is the vertical direction, the second sliding plate 10 is located below the seventh supporting plate 8, and a second through hole 11 for the second limiting rod 6 to penetrate through is formed in the second sliding plate 10; the rotating bolt 9 drives the second sliding plate 10 to move upwards, so that the second limiting rod 6 can be rotated after the second limiting rod 6 is separated from the second through hole 11.

In an alternative embodiment, the second positioning assembly includes a fourth support plate 21, a fifth support plate 24, a second screw 25 and a knob 26; the first sliding plate 17 is provided with a horizontal and longitudinal first through hole 20; the fourth support plate 21 is longitudinally arranged on the first support plate 1, the fourth support plate 21 is connected with the first support plate 1 in a sliding manner, the sliding direction of the fourth support plate 21 is that the fourth support plate is longitudinally close to or far away from the first sliding plate 17, the end surface of the fourth support plate 21 facing the first sliding plate 17 is provided with a first limiting rod 22, the first limiting rod 22 is inserted into the first through hole 20 in a matching manner, the fourth support plate 21 is provided with two groups, the two groups of the fourth support plates 21 are symmetrical relative to the first sliding plate 17, the two groups of the fourth support plates 21 are provided with opposite second threaded holes 23, and the thread directions of the two groups of the second threaded holes 23; the fifth supporting plates 24 are vertically arranged on the first supporting plate 1, two groups of the fifth supporting plates 24 are arranged, the two groups of the fifth supporting plates 24 are symmetrical relative to the first sliding plate 17, and the two groups of the fourth supporting plates 21 are positioned between the two groups of the fifth supporting plates 24; the two groups of second screw rods 25 are respectively and rotatably arranged on the two groups of fifth supporting plates 24, the thread directions of the two groups of second screw rods 25 are opposite, the two groups of second screw rods 25 are respectively matched with the two groups of second threaded holes 23, and the two groups of second screw rods 25 respectively penetrate through the two groups of second threaded holes 23 and are coaxially connected; the knob 26 is arranged at the connecting position of the two groups of second screws 25; the rotary knob 26 can drive the two sets of second screws 25 to rotate, so that the two sets of fourth supporting plates 21 are close to or far away from each other, and the two sets of first limiting rods 22 are inserted into the first through holes 20 to fix the position of the first sliding plate 17, so that the operation is simple and convenient.

In an alternative embodiment, a plurality of groups of universal wheels are arranged at the bottom of the first supporting plate 1; the equipment is convenient to move.

In an alternative embodiment, the knob 26 is provided with an anti-slip silica gel layer on the periphery; rotation of the knob 26 is facilitated.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (5)

1. The material plasticity test equipment is characterized by comprising a first support plate (1), a second support plate (2), a rotary table (4), a second limiting rod (6), a test piece (13), a third support plate (14), a box body (15), a first sliding plate (17), a power device (18), a first screw rod (19) and scale marks (27);

the second supporting plate (2) is vertically and longitudinally arranged on the first supporting plate (1), a blind hole (3) is formed in the end face, facing the third supporting plate (14), of the second supporting plate (2), a longitudinal strip-shaped groove (5) is formed in the second supporting plate (2), an opening is formed in the upper end face of the second supporting plate (2) by the strip-shaped groove (5), and the strip-shaped groove (5) is communicated with the blind hole (3); the rotary table (4) is positioned in the blind hole (3), the rotary table (4) is rotationally connected with the hole wall of the blind hole (3), and the end face of the rotary table (4) facing the third supporting plate (14) and the end face of the second supporting plate (2) facing the third supporting plate (14) are positioned in the same plane; the second limiting rod (6) is vertically arranged on the outer wall of the rotary table (4), the top of the second limiting rod (6) penetrates through the strip-shaped groove (5) and extends into the upper portion of the second supporting plate (2), and a first positioning assembly for fixing the second limiting rod (6) is arranged on the second supporting plate (2); the third supporting plate (14) is vertically and longitudinally arranged on the first supporting plate (1), the third supporting plate (14) is positioned between the first sliding plate (17) and the second supporting plate (2), the third supporting plate (14) is in sliding connection with the first supporting plate (1), the sliding direction is close to or away from the second supporting plate (2), a group of clamping mechanisms (12) for clamping the test piece (13) are arranged on the opposite end surfaces of the second supporting plate (2) and the third supporting plate (14), and two ends of the test piece (13) are respectively contacted with the second supporting plate (2) and the third supporting plate (14); the box body (15) is arranged on the end face, facing the first sliding plate (17), of the third supporting plate (14), and a first horizontal threaded hole (16) is formed in the box wall, facing the first sliding plate (17), of the box body (15); the first sliding plate (17) is arranged on the first supporting plate (1) in a sliding mode, the sliding direction of the first sliding plate (17) is close to or far away from the third supporting plate (14), and a second positioning assembly for fixing the position of the first sliding plate (17) is arranged on the first supporting plate (1); the power device (18) is arranged on the first sliding plate (17), the power device (18) is in transmission connection with the first screw rod (19), a speed reducing mechanism is arranged in the power device (18), the first screw rod (19) is horizontally and transversely arranged, and the first screw rod (19) is matched with the first threaded hole (16); the scale marks (27) are transversely arranged on the first supporting plate (1), the zero scale marks of the scale marks (27) are aligned with the right end face of the second supporting plate (2), and the scale marks (27) are arranged along the direction from the second supporting plate (2) to the third supporting plate (14).

2. The material plasticity test apparatus according to claim 1, wherein the first positioning assembly comprises a sixth support plate (7), a seventh support plate (8), a bolt (9) and a second sliding plate (10); the sixth supporting plate (7) is vertically arranged on the second supporting plate (2); the seventh supporting plate (8) is horizontally arranged on the sixth supporting plate (7), a threaded hole matched with the bolt (9) is formed in the seventh supporting plate (8), and the bottom of the bolt (9) penetrates through the threaded hole to be rotatably connected with the second sliding plate (10); the second sliding plate (10) is arranged on the end face, facing the bolt (9), of the sixth supporting plate (7) in a sliding mode, the sliding direction of the second sliding plate (10) is the vertical direction, the second sliding plate (10) is located below the seventh supporting plate (8), and a second through hole (11) for the second limiting rod (6) to penetrate through is formed in the second sliding plate (10).

3. The material plasticity test device according to claim 1, wherein the second positioning assembly comprises a fourth support plate (21), a fifth support plate (24), a second screw (25) and a knob (26); a first through hole (20) which is horizontal and longitudinal is arranged on the first sliding plate (17); the fourth supporting plate (21) is longitudinally arranged on the first supporting plate (1), the fourth supporting plate (21) is connected with the first supporting plate (1) in a sliding mode, the sliding direction of the fourth supporting plate (21) is longitudinally close to or far away from the first sliding plate (17), a first limiting rod (22) is arranged on the end face, facing the first sliding plate (17), of the fourth supporting plate (21), the first limiting rod (22) is inserted into the first through hole (20) in a matched mode, the fourth supporting plate (21) is provided with two groups, the two groups of fourth supporting plates (21) are symmetrical about the first sliding plate (17), opposite second threaded holes (23) are formed in the two groups of fourth supporting plates (21), and the thread directions of the two groups of second threaded holes (23) are opposite; the fifth supporting plates (24) are vertically arranged on the first supporting plate (1), two groups of the fifth supporting plates (24) are arranged, the two groups of the fifth supporting plates (24) are symmetrical relative to the first sliding plate (17), and the two groups of the fourth supporting plates (21) are positioned between the two groups of the fifth supporting plates (24); the two groups of second screw rods (25) are respectively and rotatably arranged on the two groups of fifth supporting plates (24), the thread directions of the two groups of second screw rods (25) are opposite, the two groups of second screw rods (25) are respectively matched with the two groups of second threaded holes (23), and the two groups of second screw rods (25) respectively penetrate through the two groups of second threaded holes (23) and are coaxially connected; the knob (26) is arranged at the connecting position of the two groups of second screw rods (25).

4. The material plasticity test equipment according to claim 1, wherein a plurality of groups of universal wheels are arranged at the bottom of the first support plate (1).

5. The material plasticity test device according to claim 3, wherein the knob (26) is provided with an anti-slip silica gel layer on the periphery.

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