CN210982073U - Material bending property measurement test device - Google Patents

Material bending property measurement test device Download PDF

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Publication number
CN210982073U
CN210982073U CN201921598437.4U CN201921598437U CN210982073U CN 210982073 U CN210982073 U CN 210982073U CN 201921598437 U CN201921598437 U CN 201921598437U CN 210982073 U CN210982073 U CN 210982073U
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workbench
strip
rotating shaft
workpiece
roller
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CN201921598437.4U
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Chinese (zh)
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李瑞锋
郜玉振
王文娟
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Huangshan University
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Huangshan University
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Abstract

A material bending performance measurement test device comprises a base, a workbench, a motor, a rotating shaft, rollers, a plurality of groups of workpiece fixing seats and a plurality of balls; a plurality of semicircular strip-shaped grooves are formed in the workbench; the plurality of strip-shaped grooves are concentrically arranged, and fine sand is placed in each strip-shaped groove; the ball is placed in the strip-shaped groove; an angle measurement scale value is arranged on the workbench; the motor is arranged at the bottom of the workbench, and the driving end of the motor is in transmission connection with the rotating shaft; the rotating shaft is vertically arranged, and the upper end of the rotating shaft penetrates through the workbench and is positioned above the workbench; one end of the connecting rod is connected with the top end of the rotating shaft, the other end of the connecting rod is provided with a vertical supporting rod, and the lower end of the supporting rod is provided with a roller; the diameter direction of the roller is parallel to the plane of the workbench. The utility model discloses in, the placing of measuring workpiece is more stable, can obtain the critical crooked range value of measuring workpiece to and draw the crooked orbit of measuring workpiece according to a plurality of balls, data is accurate and perfect, convenient to use, the practicality is strong.

Description

Material bending property measurement test device
Technical Field
The utility model relates to a material bending property measuring device field especially relates to a material bending property measurement test device.
Background
With the development of society, various new materials gradually occupy the existing market, and impact the market. The physical and chemical properties of the new material are tested before the new material is used; in the physical test, the bending performance test of the material is very important.
In the existing material bending performance test, the knowledge measures the stress of the material in a bending state, but the bending deformation process of the material cannot be measured; meanwhile, in the bending performance of the material, it is very important to observe the stress and bending deformation of the material more accurately and to ensure that the equipment can measure more effectively and accurately.
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 bending property measurement test device, the placing of measuring the work piece is more stable, can obtain the critical bending amplitude value of measuring the work piece to and draw the crooked orbit of measuring the work piece according to a plurality of balls, data are accurate and perfect, convenient to use, the practicality is strong.
(II) technical scheme
The utility model provides a material bending property measurement test device, which comprises a base, a workbench, a motor, a rotating shaft, a roller, a plurality of groups of workpiece fixing seats and a plurality of balls;
a plurality of semicircular strip-shaped grooves are formed in the workbench; the plurality of strip-shaped grooves are concentrically arranged, and fine sand is placed in each strip-shaped groove; the plurality of balls are correspondingly arranged in the strip-shaped grooves one by one; the worktable is also provided with a semicircular angle measurement scale value which is concentrically arranged with the strip-shaped groove;
the motor is arranged at the bottom of the workbench, and the driving end of the motor is in transmission connection with the rotating shaft; the rotating shaft is vertically arranged, and the upper end of the rotating shaft penetrates through the workbench and is positioned above the workbench; the rotating shaft is positioned at the circle center position where the strip-shaped grooves are positioned;
one end of the connecting rod is connected with the top end of the rotating shaft, the other end of the connecting rod is provided with a vertical supporting rod, and the lower end of the supporting rod is provided with a roller; the diameter direction of the roller is parallel to the plane of the workbench; a plurality of groups of workpiece fixing seats are arranged side by side along the transverse direction, and the middle parts of the fixing seats are provided with through holes for fixing and measuring workpieces;
the measuring workpiece is arranged in the workpiece fixing seat, the periphery of the measuring workpiece is in contact with the periphery of the roller, and the measuring workpiece is in contact with the upper part of the roller.
Preferably, a plane orthogonal coordinate system is set on the worktable with the circle centers of the plurality of strip-shaped grooves as a reference, and a first scale value in the X direction and a second scale value in the Y direction are set at the edge position of the worktable respectively.
Preferably, the minimum accuracy of the first scale value and the second scale value is 1 mm.
Preferably, the workpiece fixing seat comprises a mounting piece, a bearing seat, a pressing plate and a bolt; the mounting piece and the bearing seat are arranged on the workbench side by side; one end of the pressing plate is rotatably connected with the upper end of the mounting piece, and the other end of the pressing plate is provided with a through hole for the bolt to pass through in a matching way; the bearing seat is provided with a threaded blind hole for the bolt to be screwed in a matching way; the lower surface of the pressure plate is provided with an upward convex semicircular positioning groove, and the upper surface of the bearing seat is also provided with a downward convex semicircular positioning groove; the pressing plate and the bearing seat are matched and pressed up and down, so that the measuring workpiece is clamped in the positioning groove.
Preferably, the inner wall of the positioning groove is provided with an elastic layer.
Preferably, the periphery of the roller is concavely provided with an annular groove towards the direction of the circle center of the roller.
Preferably, an elastic rubber layer is arranged on the groove wall of the annular groove.
The above technical scheme of the utility model has following profitable technological effect: in the utility model, the measuring workpiece is arranged inside the plurality of workpiece fixing seats, thereby ensuring that the workpiece is arranged in an optimal state; the motor rotates slowly to drive the rotating shaft to rotate slowly, and further drives the roller to do circular motion; the roller further slowly pushes the measuring workpiece to bend; the rolling friction is formed between the roller and the measuring workpiece, and the friction force is small, so that the interference on the measuring workpiece is ensured to be minimum. In the moving process of the measuring workpiece, the plurality of balls are pushed to roll in the strip-shaped grooves, fine sand is placed in the strip-shaped grooves, so that moving traces can be left on the surfaces of the fine sand by the balls during moving, and the curved shape of the measuring workpiece can be accurately observed by smooth curves among the plurality of balls; when the measuring workpiece is broken and cannot be bent continuously, the curve locked at the position where the plurality of balls finally stay is the bending track of the measuring workpiece in a critical state. Meanwhile, the bending amplitude of the measured workpiece can be obtained by accurately reading through the position of the roller and the angle measurement scale value.
Drawings
Fig. 1 is a front view of the material bending property measurement test device provided by the utility model.
Fig. 2 is a top view of the material bending property measurement test apparatus provided by the utility model.
Fig. 3 is the utility model provides a structural schematic diagram of workpiece fixing base in the material bending property measurement test device.
Fig. 4 is the structural schematic diagram of the roller in the material bending property measurement test device provided by the utility model.
Fig. 5 is a schematic view of the working state of the material bending property measurement testing apparatus provided by the utility model.
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. 1-5, the material bending property measurement test apparatus provided by the present invention comprises a base 1, a worktable 2, a motor 4, a rotating shaft 5, a roller 7, a plurality of workpiece holders 8 and a plurality of balls 31;
a plurality of semicircular strip-shaped grooves 3 are formed in the workbench 2; the plurality of strip-shaped grooves 3 are concentrically arranged, and fine sand is placed in each strip-shaped groove 3; the plurality of balls 31 are correspondingly arranged in the strip-shaped grooves 3 one by one; the worktable 2 is also provided with a semicircular angle measurement scale value 21, and the angle measurement scale value 21 and the strip-shaped groove 3 are concentrically arranged;
the motor 4 is arranged at the bottom of the workbench 2, and the driving end of the motor is in transmission connection with the rotating shaft 5; the rotating shaft 5 is vertically arranged, and the upper end of the rotating shaft penetrates through the workbench 2 and is positioned above the workbench 2; the rotating shaft 5 is positioned at the position of the circle center where the strip-shaped grooves 3 are positioned;
one end of the connecting rod 6 is connected with the top end of the rotating shaft 5, the other end of the connecting rod is provided with a vertical supporting rod 9, and the lower end of the supporting rod 9 is provided with a roller 7; the diameter direction of the roller 7 is parallel to the plane of the workbench 2; a plurality of groups of workpiece fixing seats 8 are arranged side by side along the transverse direction, and the middle parts of the fixing seats 8 are provided with through holes for fixing measuring workpieces;
the periphery of the measuring workpiece is contacted with the periphery of the roller 7 and the upper part of the measuring workpiece is contacted with the upper part of the roller 7 under the state that the measuring workpiece is arranged in the workpiece fixing seat 8.
In the utility model, the measuring workpiece is arranged inside a plurality of workpiece fixing seats 8, thereby ensuring that the workpiece is arranged in an optimal state; the motor 4 rotates slowly to drive the rotating shaft 5 to rotate slowly, and further drive the roller 7 to do circular motion; the roller 7 further slowly pushes the measuring workpiece to bend; the rolling friction is formed between the roller 7 and the measuring workpiece, and the friction force is small, so that the interference on the measuring workpiece is ensured to be minimum. In the moving process of the measuring workpiece, the plurality of balls 31 are pushed to roll in the strip-shaped groove 3, fine sand is placed in the strip-shaped groove 3, so that moving traces can be left on the surface of the fine sand when the balls 31 move, and the curved shape of the measuring workpiece can be accurately observed through smooth curves among the plurality of balls 31; when the measuring workpiece is broken and cannot be bent continuously, the curve locked at the position where the plurality of balls 31 finally stay is the bending track of the measuring workpiece in a critical state. Meanwhile, the bending amplitude of the measured workpiece can be obtained by accurately reading the position of the roller 7 and the angle measurement scale value 21.
The utility model discloses in, the placing of measuring workpiece is more stable, can obtain the critical crooked range value of measuring workpiece to and draw the crooked orbit of measuring workpiece according to a plurality of balls 31, data is accurate and perfect, convenient to use, the practicality is strong.
In an alternative embodiment, a plane orthogonal coordinate system is set on the table 2 with the center of the plurality of the bar-shaped grooves 3 as a reference, and a first scale value 22 in the X direction and a second scale value 23 in the Y direction are set at the edge positions of the table 2, respectively.
In an alternative embodiment, the minimum accuracy of the first scale value 22 and the second scale value 23 is 1 mm.
It should be noted that the coordinate value of each ball 31 can be accurately read according to the first scale value 22 in the X direction and the second scale value 23 in the Y direction, so that the critical bending image of the workpiece can be conveniently drawn, the data is more accurate and perfect, the measurement results are more diverse, and the performance of the material can be better known.
In an alternative embodiment, the workpiece fixing base 8 comprises a mounting member 81, a bearing base 83, a pressing plate 82 and a bolt; the mounting part 81 and the bearing seat 83 are arranged on the workbench 2 side by side; one end of the pressure plate 82 is rotatably connected with the upper end of the mounting part 81, and the other end of the pressure plate 82 is provided with a through hole 85 for a bolt to pass through in a matching way; the bearing seat 83 is provided with a thread blind hole 86 for the bolt to be screwed in;
the lower surface of the pressure plate 82 is provided with an upward convex semicircular positioning groove 84, and the upper surface of the bearing seat 83 is also provided with a downward convex semicircular positioning groove 84; the pressure plate 82 and the bearing seat 83 are matched and pressed up and down, so that the measuring workpiece is clamped in the positioning groove 84.
In an alternative embodiment, the inner wall of the positioning slot 84 is provided with an elastic layer.
It should be noted that the workpiece fixing seat 8 has a good fixing effect on the workpiece; the plurality of workpiece fixing seat pairs 8 are used simultaneously, so that the workpieces are prevented from being displaced in the deformation process; meanwhile, the workpiece is fixed at a preset position and is not prone to shaking by the aid of the workpiece fixing seats 8, so that reading accuracy is facilitated, and reading errors are reduced.
In an alternative embodiment, the outer circumference of the roller 7 is recessed with an annular groove 71 towards the center of the roller.
In an alternative embodiment, an elastic rubber layer is provided on the groove wall of the annular groove 71.
It should be noted that the roller 7 has a better positioning effect on the rod-shaped measuring workpiece, prevents the measuring workpiece from breaking away from the roller to cause accidents, and has the advantages of higher practicability and safety and more convenient data measurement.
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 (7)

1. A material bending performance measurement test device is characterized by comprising a base (1), a workbench (2), a motor (4), a rotating shaft (5), rollers (7), a plurality of groups of workpiece fixing seats (8) and a plurality of balls (31);
a plurality of semicircular strip-shaped grooves (3) are formed in the workbench (2); the plurality of strip-shaped grooves (3) are concentrically arranged, and fine sand is placed in each strip-shaped groove (3); a plurality of balls (31) are correspondingly placed in the strip-shaped grooves (3) one by one; the workbench (2) is also provided with a semicircular angle measurement scale value (21), and the angle measurement scale value (21) and the strip-shaped groove (3) are arranged concentrically;
the motor (4) is arranged at the bottom of the workbench (2), and the driving end of the motor is in transmission connection with the rotating shaft (5); the rotating shaft (5) is vertically arranged, and the upper end of the rotating shaft penetrates through the workbench (2) and is positioned above the workbench (2); the rotating shaft (5) is positioned at the circle center position where the strip-shaped grooves (3) are positioned;
one end of the connecting rod (6) is connected with the top end of the rotating shaft (5), the other end of the connecting rod is provided with a vertical supporting rod (9), and the lower end of the supporting rod (9) is provided with a roller (7); the diameter direction of the roller (7) is parallel to the plane of the workbench (2); a plurality of groups of workpiece fixing seats (8) are arranged side by side along the transverse direction, and the middle parts of the fixing seats (8) are provided with through holes for fixing measuring workpieces;
the measuring workpiece is arranged in the workpiece fixing seat (8), the periphery of the measuring workpiece is contacted with the periphery of the roller (7), and the measuring workpiece is contacted with the upper part of the roller (7).
2. The material bending property measurement test apparatus according to claim 1, wherein a plane orthogonal coordinate system is provided on the table (2) with reference to the center of the plurality of strip-shaped grooves (3), and a first scale value (22) in the X-direction and a second scale value (23) in the Y-direction are provided at the edge position of the table (2), respectively.
3. The material bending property measurement test apparatus according to claim 2, wherein the minimum accuracy of the first scale value (22) and the second scale value (23) is 1 mm.
4. The material bending property measurement test device according to claim 1, wherein the workpiece fixing seat (8) comprises a mounting piece (81), a bearing seat (83), a pressure plate (82) and a bolt;
the mounting piece (81) and the bearing seat (83) are arranged on the workbench (2) side by side; one end of the pressure plate (82) is rotatably connected with the upper end of the mounting piece (81), and the other end of the pressure plate (82) is provided with a through hole (85) for a bolt to pass through in a matching way; a threaded blind hole (86) for the bolt to be screwed in a matching way is arranged on the bearing seat (83);
the lower surface of the pressure plate (82) is provided with an upward convex semicircular positioning groove (84), and the upper surface of the bearing seat (83) is also provided with a downward convex semicircular positioning groove (84); the pressure plate (82) and the bearing seat (83) are matched and pressed up and down, so that the measuring workpiece is clamped in the positioning groove (84).
5. The material bending property measurement test device according to claim 4, wherein an elastic layer is arranged on the inner wall of the positioning groove (84).
6. The material bending property measurement test device according to claim 1, wherein the outer circumference of the roller (7) is concavely provided with an annular groove (71) towards the center of the circle.
7. The material bending property measurement test device according to claim 6, wherein an elastic rubber layer is provided on a groove wall of the annular groove (71).
CN201921598437.4U 2019-09-24 2019-09-24 Material bending property measurement test device Active CN210982073U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921598437.4U CN210982073U (en) 2019-09-24 2019-09-24 Material bending property measurement test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921598437.4U CN210982073U (en) 2019-09-24 2019-09-24 Material bending property measurement test device

Publications (1)

Publication Number Publication Date
CN210982073U true CN210982073U (en) 2020-07-10

Family

ID=71423138

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921598437.4U Active CN210982073U (en) 2019-09-24 2019-09-24 Material bending property measurement test device

Country Status (1)

Country Link
CN (1) CN210982073U (en)

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