Glass fiber performance testing device and testing method thereof

Abstract

The invention discloses a glass fiber performance testing device and a testing method thereof, and belongs to the technical field of material testing, the glass fiber performance testing device comprises a support, a water tank mounted on the support, a liquid outlet pipeline mounted on a liquid outlet of the water tank, n heaters mounted in the water tank through a mounting plate, and a mounting column mounted in the water tank, the linear guide rail is installed on the installation column through a fixing plate, meanwhile, sliding blocks are symmetrically arranged on the linear guide rail, clamping blocks are installed on the sliding blocks, and a workpiece is clamped on the clamping blocks. The device can detect the length of the workpiece at different temperatures, so that the change of the workpiece in different environments is detected, and subsequent reasonable application of a glass fiber material is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of material testing, and in particular relates to a glass fiber performance testing device and a testing method thereof. Background Art

[0002] Glass fiber is an inorganic non-metallic material with excellent performance and comes in many varieties. Its advantages are good insulation, strong heat resistance, good corrosion resistance and high mechanical strength. Its disadvantages are brittleness and poor wear resistance.

[0003] Currently, glass fiber is used in various fields of life, so glass fiber will be used in different environments, including environments with higher temperatures.

[0004] However, the prior art does not detect whether the length of the glass fiber changes under different environments, thus making it impossible to reasonably use the glass fiber material. Summary of the invention

[0005] In view of the above problems in the prior art, an object of the present invention is to provide a glass fiber performance testing device and a testing method thereof.

[0006] The present invention provides the following technical solutions:

[0007] A glass fiber performance testing device comprises a bracket, a water tank mounted on the bracket, a liquid outlet provided on the water tank being provided with a liquid outlet pipe, n heaters being installed in the water tank through a mounting plate, a mounting column being installed in the water tank, a linear guide being installed on the mounting column through a fixing plate, and sliders being symmetrically arranged on the linear guides, a clamping block being installed on the sliders, a workpiece being clamped on the clamping block, and a test liquid being injected into the water tank.

[0008] Specifically, the power required by the heater is:

[0009]

[0010] Where M is the weight of the test fluid, c is the specific heat capacity of the test fluid, ΔT is the temperature change of the test fluid, that is, the difference between the maximum allowable temperature of the workpiece and the initial temperature of the test fluid, 860 is the coefficient of conversion of electrical energy into thermal energy, s is the heating time, and η is the efficiency of the heater;

[0011] The number of heaters required n≈P / P 额 (n is a positive integer), P 额 The wattage rating for each heater purchased.

[0012] Specifically, a slider on one side is movably mounted on a linear guide rail, a sensing rod is mounted on the slider on one side, and a slider on the other side is fixed on the linear guide rail; a displacement sensor is mounted on a portion of the sensing rod that leaks out of the liquid surface.

[0013] Specifically, the waterproof displacement sensor and the heater are communicatively coupled to the control panel.

[0014] Based on the above device, the present invention also proposes a testing method using the above glass fiber performance testing device, comprising the following steps:

[0015] S1, clamp the workpiece on the clamping block and measure the initial temperature of the test fluid at the same time;

[0016] S2, calculate the number n of heaters required according to the maximum temperature allowed by the workpiece, and install the heaters on the water tank;

[0017] S3, measure the initial length of the workpiece;

[0018] S4, start the heater to heat the test fluid in the water tank to the maximum temperature allowed by the workpiece;

[0019] S5, measures the length change of the workpiece.

[0020] The beneficial effects of the present invention are:

[0021] The device can detect whether a workpiece will be extended under different temperature environments, and detect the specific extension length; thereby detecting the changes of the workpiece under different environments, which is convenient for the subsequent rational use of glass fiber materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 is a three-dimensional diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0025] The markings in the figure are: 1. bracket; 2. water tank; 3. liquid outlet pipe; 4. mounting plate; 5. heater; 6. mounting column; 7. linear guide rail; 8. clamp block. DETAILED DESCRIPTION

[0026] Embodiment 1

[0027] like Figure 1-2 As shown, the present invention provides a glass fiber performance testing device, including a bracket 1, a water tank 2 installed on the bracket 1, a liquid outlet provided in the water tank 2 is equipped with a liquid outlet pipe 3, n heaters 5 are installed in the water tank 2 through a mounting plate 4, a mounting column 6 is installed in the water tank 2, a linear guide 7 is installed on the mounting column 6 through a fixing plate, and at the same time, sliders are symmetrically provided on the linear guide 7, a clamping block 8 is installed on the slider, and a workpiece is clamped on the clamping block 8.

[0028] During the test, the glass fiber sheet is clamped on the clamping block 8, the valve of the liquid outlet pipe 3 is closed, and the test liquid is injected into the water tank 2 at the same time. The heater 5 is turned on to heat the test liquid to the required temperature. By measuring the elongation length of the workpiece in the test liquid, it is detected whether the workpiece will be extended within the allowable temperature range of the workpiece, and the specific extension length is detected; thereby detecting the changes of the workpiece in different environments, which is convenient for the subsequent rational use of the glass fiber material. Among them, the test liquid is water or other heatable liquid.

[0029] First, it is necessary to determine whether the heater 5 can meet the detection requirements according to the formula, that is, the heat released by the heater 5 needs to meet the required temperature change, so the power required by the heater 5 is calculated according to the required temperature change:

[0030]

[0031] Where M is the weight of the test fluid, c is the specific heat capacity of the test fluid, which is a commonly used physical quantity in thermodynamics, indicating the ability of an object to absorb or dissipate heat; ΔT is the temperature change of the test fluid, that is, the difference between the maximum allowable temperature of the workpiece and the initial temperature of the test fluid, 860 is the coefficient of conversion of electrical energy into thermal energy, s is the heating time, and η is the efficiency of the heater.

[0032] At the same time, it is known that the rated power of each heater 5 purchased is P 额 , by superimposing the heater 5 to achieve the calculated required power P of the heater 5, the number n of the required heater 5 is obtained, that is, n≈P / P 额 (n is a positive integer), so that after the heater 5 is installed in the device, the rationality of its number is guaranteed, which not only reduces the detection cost but also meets the detection requirements.

[0033] The heater 5 is communicatively coupled to the control panel.

[0034] The control panel contains a PLC controller, which can program the numerical control system. PLC serves as the central control system and uses the touch screen to realize program input and operation control of the whole machine to achieve temperature control.

[0035] Based on the above device, the first embodiment of the present invention further proposes a testing method using the above glass fiber performance testing device, comprising the following steps:

[0036] Step 1, clamp the workpiece on the clamping block 8 and measure the initial temperature of the test liquid at the same time;

[0037] Step 2: Calculate the number n of heaters 5 required according to the maximum temperature allowed by the workpiece, and install the heaters 5 on the water tank 2;

[0038] Step 3, measuring the initial length of the workpiece;

[0039] Step 4, start the heater 5 to heat the test liquid in the water tank 2 to the maximum temperature allowed by the workpiece;

[0040] Step five, measure the length change of the workpiece.

[0041] At the same time, the device disclosed in this embodiment can detect different changes in the length of the workpiece at different temperatures and adjust the temperature through the heater 5.

[0042] The device can detect the length of the workpiece at different temperatures, thereby detecting the changes of the workpiece under different environments, which is convenient for the subsequent rational use of glass fiber materials.

[0043] Embodiment 2

[0044] The glass fiber performance testing device disclosed in the second embodiment includes a waterproof displacement sensor, and other devices, installation locations, and testing methods are the same as those in the first embodiment.

[0045] The slider on one side is movably mounted on the linear guide rail 7, the sensing rod is mounted on the slider on one side, and the slider on the other side is fixed on the linear guide rail 7; a displacement sensor is installed on the portion of the sensing rod that leaks out of the liquid surface, so that the length change of the workpiece can be directly measured by the displacement sensor.

[0046] The displacement sensor and heater 5 are communicatively coupled to the control panel.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A glass fiber performance testing device, characterized in that: It includes a bracket, a water tank installed on the bracket, a liquid outlet provided on the water tank is equipped with a liquid outlet pipe, n heaters are installed in the water tank through a mounting plate, a mounting column is installed in the water tank, a linear guide is installed on the mounting column through a fixing plate, and sliders are symmetrically arranged on the linear guide, a clamping block is installed on the slider, a workpiece is clamped on the clamping block, and a test liquid is injected into the water tank.

2. A glass fiber performance testing device according to claim 1, characterized in that: Heater power required: Where M is the weight of the test fluid, c is the specific heat capacity of the test fluid, ΔT is the temperature change of the test fluid, that is, the difference between the maximum allowable temperature of the workpiece and the initial temperature of the test fluid, 860 is the coefficient of conversion of electrical energy into thermal energy, s is the heating time, and η is the efficiency of the heater; The number of heaters required n≈P / P 额 (n is a positive integer), P 额 The wattage rating for each heater purchased.

3. A glass fiber performance testing device according to claim 1, characterized in that: The slider on one side is movably installed on the linear guide rail, the sensing rod is installed on the slider on one side, and the slider on the other side is fixed on the linear guide rail; the portion of the sensing rod leaking out of the liquid surface is installed with a displacement sensor.

4. A glass fiber performance testing device according to claim 3, characterized in that: A waterproof displacement sensor and a heater are communicatively coupled to the control panel.

5. A testing method using a glass fiber performance testing device as claimed in claim 2, characterized in that: The following steps are involved: S1, clamp the workpiece on the clamping block and measure the initial temperature of the test fluid at the same time; S2, calculate the number n of heaters required according to the maximum temperature allowed by the workpiece, and install the heaters on the water tank; S3, measure the initial length of the workpiece; S4, start the heater to heat the test fluid in the water tank to the maximum temperature allowed by the workpiece; S5, measures the length change of the workpiece.

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