Rotation measuring mechanism for section of non-straightened material

Abstract

The utility model relates to the field of machinery, in particular to a wire rod measurement technology, and particularly relates to a rotary measurement mechanism for a section of a non-straightened wire rod. Comprising a workbench, a fixing plate, an arc guiding device, a measuring assembly and a servo driving device. According to the utility model, the sample is positioned by the sample positioning device, then the measuring assembly is driven by the servo driving device to move along the arc guiding device, and the sensor measures the diameter of the sample, so that the same section of the sample can be measured in different directions when the sample is static.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical field especially, and it relates to wire rod measurement technology, and particularly to a kind of unstraightened wire rod cross section rotation measurement mechanism. BACKGROUND

[0002] According to the sample original cross section measurement requirement in appendix E~appendix H in the appendix E~appendix H in the "GBT 228.1-2021 metal material tensile test part 1: room temperature test method", the sample same measurement cross section needs to be measured in two directions perpendicular to each other.The traditional measurement mode is artificial measurement, and its measurement position is not strictly the same cross section;And when using equipment automatic measurement, sample needs to be rotated to complete measurement, but this mode can only be applied to straight sample or straightened sample, for unstraightened (bent) sample, due to sample bending, radian is not fixed, and the method of rotating sample is not suitable for measurement. SUMMARY

[0003] The utility model aims at providing a kind of unstraightened wire rod cross section rotation measurement mechanism, and the unstraightened wire rod cross section rotation measurement mechanism of the kind described solves the technical problem that unstraightened wire rod measurement cannot accurately measure the same cross section in prior art.

[0004] The unstraightened wire rod cross section rotation measurement mechanism of the utility model, including:

[0005] Workbench, the workbench is provided with opening, and the upper side of workbench is provided with sample positioning device;

[0006] Fixed plate, the fixed plate is vertically arranged in the lower side of workbench;

[0007] Arc line guiding device, the arc line guiding device is installed in one side of fixed plate, and the arc line guiding device is slidably installed with arc gear rack;

[0008] Measurement assembly, the measurement assembly includes sensor connecting plate, sensor mounting base and sensor, the sensor connecting plate is installed in one side of arc gear rack, and the sensor connecting plate is fixedly connected with sensor mounting base, and sensor mounting base passes through the opening of workbench, and the sensor is installed on sensor mounting base;

[0009] Servo drive device, the servo drive device is installed in one side of fixed plate, and the output shaft of servo drive device is connected with driving gear, and the driving gear is engaged with arc gear rack.

[0010] Further, the two sample placing seats of the sample positioning device are respectively arranged on the left and right sides of opening.

[0011] Furthermore, the arc-shaped guide rail slider mechanism includes an arc-shaped guide rail and a slider. The arc-shaped guide rail is installed on one side of the fixed plate, the slider is slidably connected to the arc-shaped guide rail, and the arc-shaped rack is fixed on the slider.

[0012] Furthermore, the arc angle of the arc-shaped rack and the arc-shaped guide rail is greater than 90°.

[0013] Furthermore, the sensor is a through-beam sensor, with the transmitter and receiver of the through-beam sensor respectively located on the front and rear sides above the sensor mounting base.

[0014] Furthermore, the servo drive device includes a reducer and a servo motor. One side of the reducer is connected to a fixed plate, and the other side of the reducer is connected to the servo motor. The output shaft of the servo motor is connected to the input shaft of the reducer, and the drive gear is mounted on the output shaft of the reducer.

[0015] Furthermore, the reducer is a planetary gear reducer.

[0016] Compared with existing technologies, the advantages of this invention are positive and significant. This invention positions the sample using a sample positioning device, then drives the measuring component to move along an arc-shaped guide device via a servo drive. The sensor measures the diameter of the sample, enabling measurements of the same cross-section of the sample from different directions even when the sample is stationary. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the present invention. Figure One .

[0018] Figure 2 This is a three-dimensional schematic diagram of the present invention. Figure Two .

[0019] Figure 3 This is the front view of this utility model.

[0020] Figure 4 This is a cross-sectional view of the present invention.

[0021] Figure 5 This is a side view of the present invention.

[0022] Figure 6 This is a top view of the present invention.

[0023] Marked in the figure: 1, workbench; 101, opening; 102, sample placement seat; 2, fixed plate; 3, arc guide device; 301, arc guide rail; 302, sliding block; 303, arc rack; 4, measuring assembly; 401, sensor connecting plate; 402, sensor mounting base; 403, sensor; 5, servo drive device; 501, speed reducer; 502, servo motor; 503, driving gear; 6, sample. DETAILED DESCRIPTION

[0024] The utility model will be further explained in connection with the drawings and examples, but not therefore limit the utility model.

[0025] As Figures 1-6 Indicated, a kind of non straightening linear material section rotary measuring mechanism of the utility model, comprising:

[0026] Workbench 1, the workbench 1 is provided with opening 101, and the upper side of workbench 1 is provided with sample positioning device;

[0027] Fixed plate 2, the fixed plate 2 is vertically arranged in the lower side of workbench 1;

[0028] Arc guide device 3, the arc guide device 3 is installed in one side of fixed plate 2, and the arc guide device 3 is slidably installed with arc rack 303;

[0029] Measuring assembly 4, the measuring assembly 4 includes sensor connecting plate 401, sensor mounting base 402 and sensor 403, the sensor connecting plate 401 is installed in one side of arc rack 303, and the sensor connecting plate 401 is fixedly connected with sensor mounting base 402, and sensor mounting base 402 passes through the opening 101 of workbench 1, and the sensor 403 is installed on sensor mounting base 402;

[0030] Servo drive device 5, the servo drive device 5 is installed in one side of fixed plate 2, and the output shaft of servo drive device 5 is connected with driving gear 503, and driving gear 503 is engaged with arc rack 303.

[0031] Further, the sample positioning device includes two sample placement seats 102, and the two sample placement seats 102 are respectively arranged on the left and right sides of opening 101.

[0032] Further, the arc guide device 3 is an arc guide rail sliding block mechanism, the arc guide rail sliding block mechanism includes arc guide rail 301 and sliding block 302, the arc guide rail 301 is installed in one side of fixed plate 2, and the sliding block 302 is slidably connected with arc guide rail 301, and the arc rack 303 is fixed on the sliding block 302.

[0033] Further, the arc-shaped rack 303 and the arc-shaped guide rail 301 have an arc angle greater than 90 degrees.

[0034] Further, the sensor 403 is a pair of sensors, and the transmitting end and the receiving end of the pair of sensors are arranged on the front and back sides above the sensor mounting base 402.

[0035] Further, the servo driving device 5 comprises a speed reducer 501 and a servo motor 502, one side of the speed reducer 501 is connected with the fixed plate 2, the other side of the speed reducer 501 is connected with the servo motor 502, the output shaft of the servo motor 502 is connected with the input shaft of the speed reducer 501, and the driving gear 503 is installed on the output shaft of the speed reducer 501.

[0036] Further, the speed reducer 501 is a planetary gear speed reducer.

[0037] In use, the sample 6 is placed on the sample placing seat 102, the sensor 403 measures the diameter of one direction of the cross section of the sample, then the servo motor 502 is started, the output shaft of the servo motor 502 is connected with the input shaft of the speed reducer 502, so as to drive the gear set in the speed reducer 501 to rotate, the output shaft of the speed reducer 501 drives the driving gear 503 to rotate, the driving gear 503 drives the arc-shaped rack 303 to move the sliding block 302 along the arc-shaped guide rail 301, the arc-shaped rack 303 drives the sensor connecting plate 401 to rotate, the sensor mounting base 402 rotates together with the sensor connecting plate 401, so that the sensor 403 rotates around the test piece, and then the diameters of different directions of the same cross section of the sample 6 are measured.

[0038] The sensor 403 adopts a pair of sensors, the transmitting end of the pair of sensors emits a measuring signal in the parallel direction of the cross section of the sample 6, part of the signal is blocked by the sample when passing through the sample 6, and the width of the signal blocked by the sample 6 received by the receiving end is the diameter of the sample 6; as long as the placement position of the sample 6 does not exceed the measuring range of the light beam of the sensor 403, the cross section of the sample 6 can be accurately measured when the sensor 403 rotates.

[0039] The servo motor 502 is adopted in the utility model, the speed reducer 501 adopts a planetary gear speed reducer, the rotation angle can be accurately controlled, the arc angle of the arc-shaped rack 303 and the arc-shaped guide rail 301 is greater than 90 degrees, the sample 6 can be accurately measured in the 90-degree angle direction, and then the diameters of two perpendicular directions can be accurately measured.

Claims

1. A non-straight wire cross section rotation measuring mechanism characterized by, The utility model relates to a kind of test sample positioning device, including: Workbench (1), the workbench (1) is provided with opening (101), the upper side of workbench (1) is provided with test sample positioning device; Fixed plate (2), the fixed plate (2) is vertically arranged in the lower side of workbench (1); Arc guiding device (3), the arc guiding device (3) is installed in one side of fixed plate (2), and the arc guiding device (3) is slidably installed with arc rack (303); Measuring assembly (4), the measuring assembly (4) includes sensor connecting plate (401), sensor mounting base (402) and sensor (403), the sensor connecting plate (401) is installed in one side of arc rack (303), and the sensor connecting plate (401) is fixedly connected with sensor mounting base (402), and sensor mounting base (402) passes through the opening (101) of workbench (1), and the sensor (403) is installed on sensor mounting base (402); Servo drive device (5), the output shaft of servo drive device (5) is installed in one side of fixed plate (2), and servo drive device (5) is connected with driving gear (503), and driving gear (503) is engaged with arc rack (303).

2. The unstraightened wire cross section rotation measuring mechanism according to claim 1, characterized in that: The test sample positioning device includes two test sample placing seats (102), and the two test sample placing seats (102) are respectively arranged on the left and right sides of the opening (101).

3. The unstraightened wire cross section rotary measuring mechanism according to claim 1, characterized in that: The arc guiding device (3) is an arc guide rail sliding block mechanism, the arc guide rail sliding block mechanism includes arc guide rail (301) and sliding block (302), the arc guide rail (301) is installed in one side of fixed plate (2), and the sliding block (302) is slidably connected with the arc guide rail (301), and the arc rack (303) is fixed on the sliding block (302).

4. The unstraightened wire cross section rotation measuring mechanism of claim 3, wherein: The arc angle of the arc rack (303) and the arc guide rail (301) is greater than 90 °.

5. The unstraightened wire cross section rotary measuring mechanism of claim 1, wherein: The sensor (403) is a pair of sensors, and the emitting end and the receiving end of the pair of sensors are respectively arranged on the front and rear sides above the sensor mounting base (402).

6. The unstraightened wire cross section rotary measuring mechanism of claim 1, wherein: The servo drive device (5) includes speed reducer (501) and servo motor (502), one side of the speed reducer (501) is connected with fixed plate (2), the other side of the speed reducer (501) is connected with servo motor (502), the output shaft of the servo motor (502) is connected with the input shaft of the speed reducer (501), and the driving gear (503) is installed on the output shaft of the speed reducer (501).

7. A non-straight wire cross-section rotary measuring mechanism as defined in claim 6, wherein: The speed reducer (501) is a planetary gear speed reducer.

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