CN208043934U - A kind of carbon fiber multifilament resistivity measurement tooling - Google Patents

Abstract

A kind of test fixture of carbon fiber multifilament resistivity provided by the utility model, including insulated electro plank, test fixture ontology is provided on insulated electro plank, the test fixture ontology includes fixing device, and there are two fixing device settings, respectively the first fixing device and the second fixing device, wherein, first fixing device is fixed on insulated electro plank, and the second fixing device is placed on the sliding rail opened up on insulated electro plank, and can be moved back and forth along sliding rail；The utility model test tool, measure multifilament resistivity, it is smaller to the damage of silk, at the same can more measurement, improve measurement efficiency, obtain more accurate test result.

Description

A carbon fiber multifilament resistivity test tool

technical field

The utility model belongs to the technical field of carbon fiber multifilament testing, and relates to a tool for testing the resistivity of carbon fiber multifilament.

Background technique

The test of the resistivity of carbon fiber multifilament is difficult to be directly clamped by ordinary splint test tools due to its fragile physical properties. In addition, the direct clamping test will cause certain damage to the carbon fiber, forming broken filaments, hairs, etc., resulting in inaccurate experimental results. However, most of the current measurement methods are directly clamping and measuring carbon fiber multifilaments, which will damage the multifilaments, resulting in inaccurate experimental results and low measurement efficiency.

Contents of the invention

The purpose of this utility model is to provide a carbon fiber multifilament resistivity test tool, which solves the defects of inaccurate results and low measurement efficiency caused by direct clamping and damage to the carbon fiber multifilament in the existing carbon fiber multifilament resistivity test .

In order to achieve the above object, the technical scheme that the utility model adopts is:

The utility model provides a test tool for the resistivity of carbon fiber multifilament, which includes an insulating bakelite board. The test tool body is arranged on the insulating bakelite board. The test tool body includes a fixing device, and there are two fixing devices, respectively. A fixing device and a second fixing device, wherein, the first fixing device is fixed on the insulating bakelite board, and the second fixing device is placed on the slide rail opened on the insulating bakelite board, and can move back and forth along the slide rail.

Preferably, the fixing device includes an upper pressing piece and a lower pressing piece, and at the same time, copper sheets are embedded in both the upper pressing piece and the lower pressing piece, wherein the carbon fiber multifilament is arranged between the upper and lower copper pieces.

Preferably, a resistivity meter is also connected to the embedded copper sheet of the upper pressing sheet.

Preferably, the upper pressing sheet and the lower pressing sheet are independent structures.

Preferably, there are several groups of test fixture bodies.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model provides a test tool for the resistivity of carbon fiber multifilaments, which overcomes the existing test of the resistivity of carbon fiber multifilaments. The direct test will cause great damage to the fibers, which affects the accuracy of the test results and cannot obtain accurate data. Only a single test can be carried out, the steps are cumbersome, and the replacement of each sample will cause damage to the sample; the new test tooling measures the resistivity of multi-filament wires, and the damage to the wires is small, and multiple wires can be measured at the same time, improving Improve measurement efficiency and obtain more accurate test results.

Description of drawings

Fig. 1 is the front view of test tooling;

Fig. 2 is the top view of test fixture;

Among them, 1. Insulated bakelite board 2. Lower pressing sheet 3. Upper pressing sheet 4. Copper sheet 5. Carbon fiber multifilament 6. Slide rail 7. Nut.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figures 1 and 2, a carbon fiber multifilament resistivity testing tool provided by the utility model includes an insulating bakelite board 1, and three groups of test tool bodies are arranged on the insulating bakelite board 1, and the test tool body includes a fixing device , there are two fixing devices, namely the first fixing device and the second fixing device, wherein the first fixing device is fixed on the insulating bakelite board 1, and the second fixing device is placed on the slide rail 6 opened on the insulating bakelite board 1 and can slide along the slide rail 6.

The fixing device includes two independent upper pressing pieces 3 and lower pressing pieces 2, and the upper pressing pieces 3 and the lower pressing pieces 2 are embedded with smooth and flat copper pieces 4, meanwhile, the lower pressing pieces 2 are also provided with pressing pieces. Sheet fixing nut 7.

During the test, the cut carbon fiber multifilament 5 is straightened in parallel and placed between the embedded smooth copper sheet 4 of the upper pressing sheet 3 and the lower pressing sheet 2, so that the fiber tow is pressed smoothly and parallelly on the two smooth inner sheets. Between the embedded copper sheets, one end of the carbon fiber multifilament 5 is fixed on the first fixing device through the screw 7 on the pressing sheet, the other end passes through the second fixing device, and slides through the cooperation of the second fixing device and the slide rail 6, Adjust the length. After the length is adjusted, fix the screw to ensure that the carbon fiber multifilament 5 is straightened, and then connect the upper pressing piece with the embedded copper sheet through the resistivity meter to measure the resistivity. Since several groups of multifilaments can be measured at the same time, Therefore, there is no need to disassemble the device after measuring a multifilament, just connect the resistivity meter to the embedded copper sheet of the next group of multifilaments for measurement. Through this test, the resistivity value of carbon fiber multifilament can be measured.

Claims (5)

1. a kind of carbon fiber multifilament resistivity measurement tooling, it is characterised in that：Including insulated electro plank (1), insulated electro plank (1) On be provided with test fixture ontology, the test fixture ontology includes fixing device, and there are two fixing device settings, respectively the One fixing device and the second fixing device, wherein the first fixing device is fixed on insulated electro plank (1), the second fixing device It is placed on the sliding rail (6) opened up on insulated electro plank (1), and can move back and forth along sliding rail (6).

2. a kind of carbon fiber multifilament resistivity measurement tooling according to claim 1, it is characterised in that：Fixing device includes Upper tabletting (3) and lower sheeting (2), meanwhile, it is embedded with copper sheet (4) on upper tabletting (3) and lower sheeting (2), wherein carbon fiber is multiple Silk is arranged between upper and lower two copper sheets (4).

3. a kind of carbon fiber multifilament resistivity measurement tooling according to claim 2, it is characterised in that：Upper tabletting (3) Embedded copper sheet is also associated with resistivity meter on (4).

4. a kind of carbon fiber multifilament resistivity measurement tooling according to claim 2, it is characterised in that：Upper tabletting (3) and Lower sheeting (2) is stand-alone configuration.

5. a kind of carbon fiber multifilament resistivity measurement tooling according to claim 1, it is characterised in that：Test fixture ontology It is provided with several groups.