CN220508651U - Tool for testing carbon fiber multifilament sample - Google Patents

Abstract

The utility model discloses a fixture for testing a carbon fiber multifilament sample, which relates to the technical field of wire sample testing and comprises a base, wherein the upper end of the base is fixedly connected with stretching equipment, a pair of clamps are movably connected onto the stretching equipment, the upper end of the base is fixedly connected with extensometer equipment matched with the stretching equipment, a plurality of placing grooves with different specifications are formed in the upper end of the base, reinforcing sheets are clamped in the placing grooves, one side of each placing groove is slidably connected with a placing plate, a plurality of extensometer blades with different specifications are clamped on the placing plate, and one side of each extensometer equipment is fixedly connected with a pair of leather rope hooks. Compared with the prior art, according to the fixture for testing the carbon fiber multifilament sample, the storage assembly for storing the parts such as the vulnerable parts is arranged, so that the vulnerable parts with different specifications can be conveniently stored in a classified mode, the taking is convenient, and the testing efficiency of the fixture for testing the carbon fiber multifilament sample is improved to a certain extent.

Description

Tool for testing carbon fiber multifilament sample

Technical Field

The utility model relates to the technical field of wire sample testing, in particular to a tool for testing a carbon fiber multifilament sample.

Background

As is well known, in various performance indexes of carbon fibers, tensile mechanical properties are important points of attention, and the mechanical properties measure the quality of the carbon fibers to a certain extent. The accurate test of mechanical properties such as tensile strength, tensile modulus and the like of the carbon fiber plays an important role in research, production and application of the high-performance carbon fiber. Carbon fiber is a brittle material, the tensile strength of the brittle material has a great relation with the defect level of the brittle material, and the tensile modulus is related with the graphite-like structure and the oriented structure of the carbon fiber to a great extent, so that the accurate test of the modulus is particularly important when the association relation between the structure and the performance of the carbon fiber is studied.

The existing carbon fiber detection process generally comprises the steps of preparing carbon fibers into carbon fiber multifilament, preparing the carbon fiber multifilament into a carbon fiber multifilament sample for the second time, and then testing the carbon fiber multifilament sample.

In the process of testing the carbon fiber multifilament sample, a carbon fiber multifilament sample testing tool is generally used, the testing tool generally comprises a stretching device and a drawing device, the stretching device and the drawing device are both arranged on a base, and the arrangement can facilitate the improvement of the efficiency of the carbon fiber multifilament sample in the detection process. The prior art carbon fiber multifilament sample detection process generally needs to use a reinforcing piece and a fixing piece for fixing the extensometer blade, and also needs to use extensometer blades with different specifications for carbon fiber multifilament samples with different specifications, and as the extensometer blade, the reinforcing piece and the fixing piece are wearing parts or parts which need frequent replacement, the prior art carbon fiber multifilament sample test fixture is not provided with a containing assembly for containing wearing parts, and the taking error of the wearing parts can be caused in the use process, thereby influencing the test efficiency of the carbon fiber multifilament sample test fixture.

Disclosure of Invention

The utility model aims to provide a tool for testing a carbon fiber multifilament sample, which is convenient for classifying and storing vulnerable parts with different specifications by arranging a containing assembly for containing the vulnerable parts and the like, is convenient for taking, and improves the testing efficiency of the tool for testing the carbon fiber multifilament sample to a certain extent.

In order to achieve the above purpose, the utility model provides a fixture for testing a carbon fiber multifilament sample, which comprises a base, wherein the upper end of the base is fixedly connected with a stretching device, a pair of clamps is movably connected to the stretching device, the upper end of the base is fixedly connected with a extensometer device matched with the stretching device, a plurality of placing grooves with different specifications are formed in the upper end of the base, reinforcing sheets are clamped in the placing grooves, a placing plate is connected to one side of the placing grooves in a sliding manner, a plurality of extensometer blades with different specifications are clamped on the placing plate, a pair of leather rope hooks are fixedly connected to one side of the extensometer device, and a plurality of fixing pieces with different specifications are sleeved between the pair of leather rope hooks.

In one or more embodiments, the upper end of the base is further provided with a picking groove matched with the placement groove.

In one or more embodiments, the leather rope hook comprises a plurality of integrally formed protruding columns, and the fixing piece is sleeved on the protruding columns.

In one or more embodiments, a first groove is formed in one side of the base, and the placement plate is slidably connected in the first groove.

In one or more embodiments, a second groove is formed in one side of the base, a collection box matched with the second groove is connected to the base in a sliding mode, and a pulling groove is formed in the collection box.

In one or more embodiments, the reinforcing sheet is cylindrical and is sleeved on both ends of the carbon fiber multifilament sample.

In one or more embodiments, the extensometer device has a removable extensometer blade mounted thereon, the extensometer blade being in contact with the carbon fiber multifilament sample.

In one or more embodiments, the extensometer blade includes a blade, the blade contacts with the carbon fiber multifilament sample, a fixing hole is further formed in the extensometer blade, and clamping grooves are further formed in two ends of the extensometer blade.

Compared with the prior art, according to the fixture for testing the carbon fiber multifilament sample, the storage assembly for storing the parts such as the vulnerable parts is arranged, so that the vulnerable parts with different specifications can be conveniently stored in a classified mode, the taking is convenient, and the testing efficiency of the fixture for testing the carbon fiber multifilament sample is improved to a certain extent.

Drawings

Fig. 1 is a schematic structural diagram of a fixture for testing a carbon fiber multifilament sample according to an embodiment of the utility model.

Fig. 2 is a schematic structural diagram of a fixture for testing a carbon fiber multifilament sample according to an embodiment of the utility model.

Fig. 3 is a schematic diagram of the structure at a in fig. 2.

Fig. 4 is a schematic diagram of the structure at B in fig. 2.

Fig. 5 is a schematic view of the structure at C in fig. 2.

Fig. 6 is a schematic view of the structure of an extensometer blade according to an embodiment of the utility model.

Fig. 7 is a view of the use of an extensometer blade according to an embodiment of the utility model.

Fig. 8 is a schematic structural view of a reinforcing sheet according to an embodiment of the present utility model.

The main reference numerals illustrate:

1. a base; 101. a placement groove; 102. a pick-up groove; 2. a stretching device; 3. a clamp; 4. an extensometer device; 5. placing a plate; 6. a collection box; 601. pulling the groove; 7. leather rope hook; 701. a convex column; 8. an extensometer blade; 801. a blade; 802. a fixing hole; 803. a clamping groove; 9. a reinforcing sheet; 10. and a fixing piece.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.

Referring to fig. 1 to 8, a fixture for testing a carbon fiber multifilament sample according to an embodiment of the present utility model includes a base 1, a stretching device 2 fixedly connected to an upper end of the base 1, a pair of clamps 3 movably connected to the stretching device 2, and a extensometer device 4 matched with the stretching device 2 fixedly connected to an upper end of the base 1. Wherein the base 1 is placed on a table top for stabilizing the drawing apparatus 2 and the extensometer apparatus 4, and a pair of clamps 3 on the drawing apparatus 2 are used for drawing the carbon fiber multifilament sample, and the extensometer apparatus 4 is in contact with the carbon fiber multifilament sample for detecting data of the carbon fiber multifilament sample when the drawing test is performed.

Referring to fig. 1, a plurality of assemblies for accommodating the wearing parts are arranged on a base 1, when a carbon fiber multifilament sample is detected by using a fixture for testing the carbon fiber multifilament sample, if the wearing parts are damaged or the parts need to be replaced due to the specification change of the carbon fiber multifilament sample, the components can be quickly replaced, so that the testing efficiency of the fixture for testing the carbon fiber multifilament sample is increased.

Specifically, referring to fig. 1 to 2, a plurality of placement grooves 101 with different specifications are formed in the upper end of the base 1, and reinforcing sheets 9 with different specifications are clamped in the placement grooves 101. Generally, the reinforcing sheet 9 is cylindrical, and a pair of reinforcing sheets 9 is clamped in the placing groove 101, and the pair of reinforcing sheets 9 are used for sleeving two ends of the carbon fiber multifilament sample, so as to solve the problem of uneven internal stress distribution.

Referring to fig. 5, the upper end of the base 1 is further provided with a holding groove 102 matching with the holding groove 101, the holding groove 102 is located on a side wall of the holding groove 101, and the reinforcing sheet 9 can be conveniently taken out from the holding groove 101 through the holding groove 102.

Referring to fig. 1, 2 and 4, a placement plate 5 is slidably connected to one side of the placement groove 101, and a plurality of extensometer blades 8 with different specifications are clamped on the placement plate 5. The extensometer blade 8 is installed on the extensometer device 4, and when the carbon fiber multifilament sample is tested, the extensometer blade 8 is in contact with the carbon fiber multifilament sample, the extensometer blade 8 has the clamping effect, can be fixed on the extensometer blade 8, and the tensile property of the carbon fiber multifilament sample is tested through the change of the spacing between the two extensometer blades 8.

Specifically, referring to fig. 2, a first groove is formed on one side of the base 1, and the placement plate 5 is slidably connected in the first groove. The storage groove matched with the extensometer blade 8 is formed in the storage plate 5, the extensometer blades 8 with different specifications are stored in the storage groove, and likewise, the taking groove is formed in the side wall of the storage groove, and the extensometer blade 8 can be conveniently taken through the taking groove.

In particular, with reference to fig. 6, the extensometer blade 8 is mounted on the extensometer device 4 and fixed by means of bolts, i.e. the extensometer blade 8 is removable.

Wherein, extensometer blade 8 includes the cutting edge 801 that sets up in keeping away from extensometer device 4 one end, and cutting edge 801 contacts with the multifilament sample of carbon fiber, and cutting edge 801 is the edge of a knife form, has the blade, through blade and mounting 10 cooperation, can increase the pressure that extensometer blade 8 contacted with the multifilament sample of carbon fiber, makes extensometer blade 8 can be more stable fix on the multifilament sample of carbon fiber.

Referring to fig. 6, the extensometer blade 8 is further provided with a fixing hole 802, and a bolt is threaded through the fixing hole 802 and connected with the extensometer device 4, that is, the extensometer blade 8 is fixed on the extensometer device 4 by means of bolt fixing. Clamping grooves 803 are further formed in the two ends of the extensometer blade 8, the clamping grooves 803 are used for being matched with the fixing piece 10, the fixing piece 10 is rubber bands in general, the rubber bands are sleeved on the clamping grooves 803 in the two ends of the extensometer blade 8 respectively, a carbon fiber multifilament sample is located between the fixing piece 10 and the extensometer blade 8, and the extensometer blade 8 is fixed on the carbon fiber multifilament sample through the fixing piece 10.

Referring to fig. 1 to 2, a pair of leather rope hooks 7 are fixedly connected to one side of the extensometer device 4, a plurality of fixing pieces 10 with different specifications are sleeved between the pair of leather rope hooks 7, and different clamping forces between the fixing pieces 10, the reinforcing sheets 9 and the carbon fiber multifilament sample can be achieved by selecting the fixing pieces 10 with different specifications.

Referring to fig. 3, the leather rope hanger 7 includes a plurality of integrally formed bosses 701, and the fixing member 10 is sleeved on the bosses 701. The fixing pieces 10 with the same specification are sleeved on the same convex column 701, so that the distinguishing and the taking are convenient.

Referring to fig. 2, a second groove is formed on one side of the base 1, and a collection box 6 matched with the second groove is slidably connected to the base 1, and the collection box 6 can receive damaged fixing pieces 10, extensometer blades 8, reinforcing pieces 9 and other garbage. The collection box 6 can be pulled out completely, so that the garbage in the collection box 6 can be cleaned conveniently.

Referring to fig. 1 to 2, the collection box 6 is provided with a drawing groove 601, and the collection box 6 can be easily drawn out through the drawing groove 601.

In the initial state, the reinforcing sheets 9 with different specifications are placed in the placing groove 101, a plurality of extensometer blades 8 with different specifications are arranged on the placing plate 5, and fixing pieces 10 with different specifications are sleeved on the leather rope hooks 7.

When the outer diameter of the carbon fiber multifilament sample is changed, the reinforcing sheet 9 needs to be replaced, the reinforcing sheet 9 matched with the outer diameter of the carbon fiber multifilament sample is replaced and sleeved at two ends of the carbon fiber multifilament sample, the clamp 3 clamps the reinforcing sheet 9 and pulls the reinforcing sheet 9 towards the two ends, the extensometer blade 8 on the extensometer device 4 is contacted with the carbon fiber multifilament sample, and likewise, when the extensometer blade 8 is damaged or the specification needs to be replaced, the placing plate 5 can be pulled out, the extensometer blade 8 on the placing plate 5 is removed and installed on the extensometer device 4, and if the extensometer blade 8 is damaged, the extensometer blade 8 is directly placed in the collecting box 6 after being taken down. Similarly, after the fixing piece 10 is taken down from the leather rope hook 7, the fixing piece 10 can be sleeved on the extensometer blade 8, when the fixing piece 10 is damaged, the fixing piece 10 is directly thrown into the collecting box 6, and then a new fixing piece 10 is taken down and sleeved on the extensometer blade 8.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims (8)

1. The utility model provides a frock is used in test of carbon fiber multifilament sample, includes the base, the upper end fixedly connected with stretching equipment of base, swing joint has a pair of anchor clamps on the stretching equipment, the upper end of base still fixedly connected with stretching equipment assorted extensometer equipment, a serial communication port, a plurality of specification different standing grooves have been seted up to the upper end of base, the joint has the enhancement piece in the standing groove, one side sliding connection of standing groove has the placing plate, the joint has the extensometer blade of a plurality of different specifications on the placing plate, one side fixedly connected with of extensometer equipment is a pair of leather rope couple, a pair of the mounting of a plurality of different specifications has been cup jointed between the leather rope couple.

2. The fixture for testing a carbon fiber multifilament sample according to claim 1, wherein the upper end of the base is further provided with a holding groove matched with the placement groove.

3. The fixture for testing a carbon fiber multifilament sample according to claim 1, wherein the leather rope hanger comprises a plurality of integrally formed studs, and the fixing member is sleeved on the studs.

4. A fixture for testing a carbon fiber multifilament sample according to claim 1, wherein a first recess is provided in one side of the base, and the placement plate is slidably connected in the first recess.

5. A carbon fiber multifilament sample testing fixture according to claim 1 or 4, wherein a second groove is provided on one side of the base, a collection box matched with the second groove is slidingly connected to the base, and a pulling groove is provided on the collection box.

6. A fixture for testing a carbon fiber multifilament sample according to claim 1, wherein the reinforcing sheets are cylindrical and are sleeved at both ends of the carbon fiber multifilament sample.

7. A fixture for testing a carbon fiber multifilament sample according to claim 1, wherein the extensometer device is provided with a detachable extensometer blade, the extensometer blade being in contact with the carbon fiber multifilament sample.

8. The fixture for testing a carbon fiber multifilament sample according to claim 7, wherein the extensometer blade comprises a blade, the blade is in contact with the carbon fiber multifilament sample, a fixing hole is further formed in the extensometer blade, and clamping grooves are further formed in two ends of the extensometer blade.