CN214749373U

CN214749373U - Nylon tension tester

Info

Publication number: CN214749373U
Application number: CN202120925767.0U
Authority: CN
Inventors: 张旭; 张振宇
Original assignee: Ningbo Delong Nylon Technology Co ltd
Current assignee: Ningbo Delong Nylon Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-16
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to the technical field of nylon test equipment, and discloses a nylon tension tester, which comprises a test platform and an electric control platform, wherein the test platform is provided with a base and a portal frame, the portal frame is provided with a lifting platform in a sliding way, the base is provided with an electric push rod for driving the lifting platform to move, the lifting platform is provided with a mounting seat, the mounting seat is fixedly connected with a tension sensor, the tension sensor is electrically connected with the electric control platform, the bottom of the tension sensor and the base are respectively provided with a clamping component for clamping nylon materials, the clamping component comprises a mounting block, the mounting block is respectively fixed on the base and the tension sensor, the mounting block is provided with a truncated cone-shaped clamping part, the mounting block is articulated with a plurality of clamping plates near the clamping part, the hinging part of the clamping plates and the mounting block is provided with a torsional spring, and each clamping plate is enclosed outside the clamping part, a clamping space for accommodating the nylon material is formed between the clamping plate and the clamping part.

Description

Nylon tension tester

Technical Field

The utility model relates to a nylon test equipment technical field especially relates to a nylon tensile test machine.

Background

The nylon is also called polyamide, which is mainly used for synthetic fibers, has the most outstanding advantages that the wear resistance is higher than that of all other fibers, is 10 times higher than that of cotton and 20 times higher than that of wool, and the wear resistance can be greatly improved by slightly adding some polyamide fibers into blended fabric; when the stretch is extended to 3-6%, the elastic recovery rate can reach 100%; can withstand ten thousand times of bending without breaking.

In the prior art, in order to verify the stretching rate and the tensile resistance of a nylon material, a tensile test needs to be performed on extruded linear nylon, that is, how much tensile force the nylon material can bear without breaking is tested. The tensile testing machine is often adopted to test in the prior art, the existing tensile testing machine is usually provided with two clamps, and the two ends of a nylon material are clamped on the clamps to perform tensile testing during use, however, the clamping effect of the clamps of the existing tensile testing machine is poor, and the problem that the tested material is separated from the clamps often occurs in the tensile testing process, so that the normal operation of the test is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a nylon tension test machine, it has can effective centre gripping and is surveyed the material, avoids at the in-process of tension test, is surveyed the problem that the material breaks away from anchor clamps.

In order to achieve the above purpose, the basic scheme of the utility model is as follows: a nylon tension tester comprises a testing platform and an electric control platform, wherein the testing platform is provided with a base and a portal frame, the portal frame is provided with a lifting platform in a sliding manner, the base is provided with an electric push rod for driving the lifting platform to move, the lifting platform is provided with a mounting seat, a tension sensor is fixedly connected onto the mounting seat and is electrically connected with the electric control platform, the bottom of the tension sensor and the base are respectively provided with a clamping component for clamping nylon materials, the clamping component comprises a mounting block, the mounting block is respectively fixed onto the base and the tension sensor, a truncated cone-shaped clamping part is formed on the mounting block, a plurality of clamping plates are hinged to the mounting block at positions close to the clamping parts, torsional springs are arranged at the hinged positions of the clamping plates and the mounting block, and all the clamping plates are enclosed outside the clamping parts, a clamping space for containing the nylon material is formed between the clamping plate and the clamping part, and sawtooth-shaped anti-skid grains are formed on the side face, opposite to the clamping part, of the clamping plate.

Furthermore, a plurality of clamping grooves are formed in the side face of the clamping portion, elastic protrusions matched with the clamping grooves are formed on the clamping plate, and the elastic protrusions are used for clamping the nylon material into the clamping grooves.

Furthermore, the top of the clamping plate extends towards the direction of the clamping part to form a pressing part, and the pressing part is made of elastic materials.

Furthermore, a guide surface and a squeezing surface are formed on the squeezing portion, the guide surface is a wedge surface and can abut against the side surface of the clamping portion, and the squeezing surface is a sector surface and can be matched with the top of the clamping portion.

Further, the centre gripping subassembly is still established at the outside clamp of each grip block including the cover, the clamp is including articulating two clamp strip on one of them grip block, clamp strip semicircular in shape, and the free end of two clamp strip is formed with connecting portion, be connected with the bolt between the connecting portion.

Furthermore, the electric console comprises a control panel and a display screen, the control panel is used for inputting a control instruction for controlling the electric push rod to work, and the display screen is used for displaying tension test data of the nylon material.

Compared with the prior art, the scheme has the beneficial effects that:

1. the two ends of the nylon material to be tested are respectively arranged in a clamping space formed between the clamping plates and the clamping parts of the two clamping assemblies, the nylon material is tightly attached to the surfaces of the clamping parts by the clamping plates under the action of the torsion springs, and anti-skid grains formed on the side surfaces of the clamping plates are in contact with the nylon material, so that the friction force between the nylon material and the clamping plates is increased, and the clamping effect of the clamping assemblies is improved;

2. arrange the partly nylon material in the centre gripping space in by the draw-in groove that the elastic bulge on the grip block formed in the clamping part side to further improve the centre gripping effect of centre gripping subassembly to the nylon material, avoid at the in-process of tensile test, the nylon material breaks away from out and influences the test effect from the centre gripping subassembly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the clamping assembly of the present invention;

fig. 3 is a schematic cross-sectional structural view of the clamping assembly of the present invention;

fig. 4 is a schematic structural view of the clamp of the present invention.

Reference numerals in the drawings of the specification include: the device comprises a test platform 1, a base 11, an electric control platform 2, a display screen 21, a control panel 22, a portal frame 3, a lifting platform 31, an electric push rod 4, a tension sensor 5, an installation block 6, a clamping part 61, a clamping groove 62, a clamping plate 7, an extrusion part 71, an elastic bulge 72, a clamping hoop strip 8, a connecting part 81 and a bolt 82.

Detailed Description

The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:

example (b):

a nylon tensile force testing machine is shown in figure 1 and comprises a testing platform 1 and an electric control console 2, wherein the testing platform 1 is provided with a base 11 and a portal frame 3, a lifting platform 31 is slidably mounted on the portal frame 3, an electric push rod 4 for driving the lifting platform 31 to move is mounted on the base 11, and the electric push rod 4 is electrically connected with the electric control console 2; a mounting seat (not shown in the figure) is arranged on the lifting platform 31, a tension sensor 5 is fixedly connected to the mounting seat, and the tension sensor 5 is electrically connected with the electric control platform 2; the electric console 2 comprises a control panel 22 and a display screen 21, wherein the control panel 22 is used for inputting a control instruction for controlling the electric push rod 4 to work, and the display screen 21 is used for displaying the tensile test data of the nylon material.

As shown in fig. 1 to 3, clamping assemblies for clamping nylon materials are respectively installed on the bottom of the tension sensor 5 and the base 11, each clamping assembly comprises an installation block 6, the installation blocks 6 are respectively fixed on the base 11 and the tension sensor 5, a truncated cone-shaped clamping portion 61 is formed on each installation block 6, a plurality of clamping plates 7 are hinged to positions, close to the clamping portions 61, on the installation blocks 6, torsion springs are installed at hinged positions of the clamping plates 7 and the installation blocks 6, each clamping plate 7 is enclosed outside the clamping portions 61, a clamping space for accommodating the nylon materials is formed between each clamping plate 7 and the clamping portion 61, and serrated anti-slip threads are formed on the side faces, opposite to the clamping plates 7 and the clamping portions 61. A plurality of clamping grooves 62 are formed on the side surface of the clamping part 61, elastic protrusions 72 matched with the clamping grooves 62 are formed on the clamping plate 7, and the elastic protrusions 72 are used for clamping nylon materials in the clamping grooves 62.

As shown in fig. 3, the top of the clamping plate 7 extends in the direction of the clamping portion 61 to form a pressing portion 71, and the pressing portion 71 is made of an elastic material; the pressing portion 71 is formed with a guide surface and a pressing surface, the guide surface is a wedge surface and can abut against the side surface of the clamping portion 61, and the pressing surface is a sector surface and can be matched with the top of the clamping portion 61.

As shown in fig. 3 to 4, the clamping assembly further includes a clamp band sleeved outside each clamping plate 7, the clamp band includes two clamp band strips 8 hinged on one of the clamping plates 7, the clamp band strips 8 are semicircular, the free ends of the two clamp band strips 8 are formed with connecting portions 81, and a bolt 82 is connected between the connecting portions 81.

The specific implementation mode of the scheme is as follows:

two ends of a nylon material to be tested are respectively placed in clamping spaces formed between the clamping plates 7 and the clamping parts 61 of the two clamping assemblies, the nylon material is tightly attached to the surfaces of the clamping parts 61 by the clamping plates 7 under the action of torsion springs, and anti-skid grains formed on the side surfaces of the clamping plates 7 are in contact with the nylon material, so that the friction force between the nylon material and the clamping plates 7 is increased, and the clamping effect of the clamping assemblies is improved; simultaneously, the part of the nylon material arranged in the clamping space is clamped in the clamping groove 62 formed in the side surface of the clamping part 61 by the elastic bulge 72 on the clamping plate 7, so that the clamping effect of the clamping assembly on the nylon material is further improved, and the nylon material is prevented from being separated from the clamping assembly to influence the testing effect in the process of tension testing.

After the nylon material is fixed in two centre gripping subassemblies by the centre gripping, control panel 22 through on the automatically controlled platform 2 controls electric putter 4 and promotes elevating platform 31 and remove gradually to the direction of keeping away from base 11 for the nylon material is stretched gradually, and on force transducer 5 fed back the pressure data that detect to the display screen 21 of automatically controlled platform 2, the tester can obtain the tensile strength of this nylon material through observing the data on the display screen 21.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a nylon tensile test machine which characterized in that: the device comprises a testing platform and an electric control platform, wherein a base and a portal frame are arranged on the testing platform, a lifting platform is slidably mounted on the portal frame, an electric push rod for driving the lifting platform to move is mounted on the base, a mounting seat is mounted on the lifting platform, a tension sensor is fixedly connected onto the mounting seat and electrically connected with the electric control platform, clamping components for clamping nylon materials are respectively mounted at the bottom of the tension sensor and on the base, each clamping component comprises a mounting block, the mounting blocks are respectively fixed onto the base and the tension sensor, a circular truncated cone-shaped clamping part is formed on each mounting block, a plurality of clamping plates are hinged at positions, close to the clamping parts, on the mounting blocks, torsional springs are mounted at hinged positions of the clamping plates and the mounting blocks, each clamping plate is enclosed outside the clamping part, and a clamping space for containing the nylon materials is formed between each clamping plate and the clamping part, and the side surface of the clamping plate opposite to the clamping part is provided with a sawtooth-shaped anti-skid grain.

2. The nylon tensile testing machine of claim 1, wherein: the side of clamping part is formed with a plurality of draw-in grooves, be formed with the elastic bulge with draw-in groove looks adaptation on the grip block, the elastic bulge is used for the nylon material card to fit in each draw-in groove.

3. The nylon tensile testing machine of claim 1, wherein: the top of the clamping plate extends to the direction of the clamping part to form a squeezing part, and the squeezing part is made of elastic materials.

4. The nylon tensile testing machine of claim 3, wherein: the extrusion part is provided with a guide surface and an extrusion surface, the guide surface is a wedge surface and can be abutted against the side surface of the clamping part, and the extrusion surface is a sector surface and can be matched with the top of the clamping part.

5. The nylon tensile testing machine of claim 1, wherein: the centre gripping subassembly is still established at the outside clamp of each grip block including the cover, the clamp is including articulating two clamp strip on one of them grip block, clamp strip semicircular in shape, and the free end of two clamp strip is formed with connecting portion, be connected with the bolt between the connecting portion.

6. The nylon tensile testing machine of claim 1, wherein: the electric control console comprises a control panel and a display screen, the control panel is used for inputting a control instruction for controlling the electric push rod to work, and the display screen is used for displaying tension test data of the nylon material.