CN214040927U

CN214040927U - Testing clamping device that fabrics tensile breaking strength prevents skidding

Info

Publication number: CN214040927U
Application number: CN202023219412.4U
Authority: CN
Inventors: 唐俊云
Original assignee: Guangdong Zhongding Testing Technology Co ltd
Current assignee: Guangdong Zhongding Testing Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-24
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a textile fabric tensile breaking strength anti-slip test clamping device; the clamp comprises an upper clamp and a lower clamp, wherein the upper clamp is controlled by a lifting mechanism to move up and down, the lower clamp is fixed on a test board, the upper clamp and the lower clamp respectively comprise a clamping support arm, a rear clamping block is arranged at the end part of the clamping support arm, a connecting rod mechanism is arranged on the clamping support arm, the connecting rod mechanism drives a front clamping block to move up and down, the front clamping block and the rear clamping block are correspondingly arranged, a front clamping piece capable of sliding out for replacement is arranged on the front clamping block, and a rear clamping piece capable of sliding out for replacement is arranged. The utility model adopts the front and the back clamping pieces which can be replaced, and the clamping surfaces of the front and the back clamping pieces are provided with corrugated structures; the front clamping piece and the rear clamping piece clamp the fabric in a meshing manner; the mode of switching the upper clamping piece and the rear clamping piece realizes the flexible replacement of different clamping pieces through the mode of embedding the clamping pieces and the dovetail grooves in the clamp.

Description

Testing clamping device that fabrics tensile breaking strength prevents skidding

Technical Field

The utility model relates to a test equipment, in particular to test clamping device that textile fabric tensile fracture intensity prevented skidding.

Background

To achieve data accuracy in testing breaking strength, it is desirable that the jaw face should be able to hold the test specimen without slipping, shearing or damaging the test specimen. The existing anti-slip measures mainly comprise the following three types:

1) the clamp surface is a flat and smooth clamp, auxiliary materials (including paper, leather, plastic and rubber) are used for improving the clamping force of the sample, the clamping test process is complicated and time-consuming, the breaking strength generally needs to test 5 warp-wise samples and 5 weft-wise samples, the time for shearing the auxiliary materials is about 10 minutes, the time for clamping the sample by the auxiliary materials is about 5 minutes, and the total time is about 15 minutes;

2) the grooved clamp with the grooves is used for preventing the sample from slipping, and as the standard has no relevant standard requirements, the grooved clamp fabric is difficult to avoid having certain shearing force to damage the test sample, so that the situation that the jaw part of the test sample is broken in the stretching process is caused, and the accuracy of the test result value is influenced;

3) rubber is pasted on the surface of a clamp to improve the clamping force of a sample, which is a common anti-slip mode used in the current detection line, but the pasted rubber is easy to wear after the breaking strength of a fabric is tested by stretching for many times, the rubber paste needs to be replaced again, the replacement cost of a set of clamps for rubber paste is high, and the detection line needs to be replaced once in 3-6 months;

in addition, the clamp equipped by the existing tensile machine testing equipment basically corresponds to a clamping surface size, different strength testing standards are adopted, the required clamping surface sizes of the clamps are different, when the tensile breaking strength standards of the tested fabrics are different, the whole upper clamping device and the whole lower clamping device need to be replaced, and the test consumes time and labor.

More than synthesizing, consider to design a set of simple be convenient for operate, can improve sample clamping-force, labour saving and time saving, reduce cost's clamping device that prevents skidding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned defect of prior art, provide a test clamping device that fabrics tensile breaking strength prevents skidding. The device mainly comprises a switchable clamping piece made of die steel (chromium 12); the clamping surfaces of the front clamping piece and the rear clamping piece are of corrugated structures with diameters of 4-6 mm; the two clamping pieces clamp the fabric in a meshing manner; the mode of switching the front clamping piece and the rear clamping piece realizes the flexible replacement of different clamping pieces through the mode of embedding the clamping pieces and dovetail grooves in the clamp.

For solving the above-mentioned defect of prior art, the utility model provides a technical scheme is: the utility model provides a textile fabric tensile rupture strength prevents test clamping device that skids, includes the last clamp of being controlled the up-and-down motion by hoist mechanism and fixes the lower clamp on the testboard, go up the clamp with the lower clamp is all including the centre gripping support arm, the tip of centre gripping support arm is equipped with the back clamp splice, be equipped with link mechanism on the centre gripping support arm, link mechanism drives the backward clamp splice motion of a preceding clamp splice, preceding clamp splice with the back clamp splice corresponds the setting, be equipped with the preceding clamping piece that can the roll-off change on the preceding clamp splice, be equipped with the back clamping piece that can the roll-off change on the back clamp splice.

As the utility model discloses textile fabric tensile fracture strength prevents test clamping device's that skids improvement, be equipped with preceding forked tail slider on the preceding clamp splice, be equipped with preceding forked tail spout on the preceding clamping piece, preceding forked tail slider with the cooperation of preceding forked tail spout, preceding clamping piece can pass through preceding forked tail slider with the separation of preceding forked tail spout takes out the change.

As the utility model discloses textile fabric tensile fracture strength prevents test clamping device's that skids improvement, the preceding ripple that is equipped with on the surface of preceding clamping piece, preceding ripple contains preceding burr and preceding concave line.

As the utility model discloses textile fabric tensile breaking strength prevents a test clamping device's that skids improvement, preceding burr with the diameter of preceding dimpled grain is 4~6 mm.

As the utility model discloses textile fabric tensile fracture strength prevents test clamping device's that skids improvement, be equipped with back forked tail slider on the back clamp splice, be equipped with back forked tail spout on the back clamping piece, back forked tail slider with back forked tail spout cooperation, the back clamping piece can pass through back forked tail slider with back forked tail spout's separation is taken out and is changed.

As the utility model discloses textile fabric tensile fracture strength prevents a test clamping device's that skids improvement, be equipped with back ripple on the lower surface of back clamping piece, back ripple contains back burr and back dimpled grain.

As the utility model discloses textile fabric tensile breaking strength prevents a test clamping device's that skids improvement, the back burr with the diameter of back dimpled grain is 4~6 mm.

As the utility model discloses textile fabric tensile fracture strength prevents a test clamping device's that skids improvement, preceding burr with back dimpled grain corresponds, back burr with preceding dimpled grain corresponds, preceding clamping piece with back clamping piece passes through interlock centre gripping fabric.

As the utility model discloses textile fabric tensile breaking strength prevents test clamping device's that skids improvement, link mechanism includes pendulum rod and push rod, the one end of pendulum rod is passed through the connecting rod and is connected preceding clamp splice, pendulum rod and push rod swing joint, the pendulum rod with connecting rod swing joint, the push rod is promoted by a actuating mechanism, the middle part of pendulum rod is passed through the pivot and is connected on the centre gripping support arm.

As the utility model discloses textile fabric tensile fracture strength prevents test clamping device's that skids improvement, actuating mechanism is through driving the direction motion of preceding clamp splice backward clamp splice is controlled to pendulum rod and push rod.

Compared with the prior art, the utility model has the advantages that: the utility model adopts the replaceable front clamping piece and the replaceable rear clamping piece, the fabric is clamped by the front clamping piece and the rear clamping piece through occlusion, the corresponding surfaces of the front clamping piece and the rear clamping piece are provided with ripples, the fabric can be improved in test clamping force, the sample is prevented from slipping, the influence of shearing and damage on the sample is avoided, and the accuracy of a data result is ensured; different test standards of the tensile breaking strength of the fabric are tested, and the front clamping block device and the rear clamping block device do not need to be replaced, so that the test requirements can be met in a mode of more front clamping blocks and more rear clamping blocks; compared with different test standards, the whole front clamping block and the whole back clamping block need to be replaced, and the device is more convenient and labor-saving. The utility model discloses at the powerful in-process of test fabrics fabric tensile fracture, can guarantee the accuracy of data result, it is more convenient simultaneously, save time, laborsaving, and reduced the operation cost of detection company.

Drawings

The invention and its advantageous technical effects are described in further detail below with reference to the accompanying drawings and embodiments, in which:

fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the upper clamp structure of the present invention.

Reference symbol names: 10 to the lifting mechanism 20, the upper clamp 30, the lower clamp 40, the test table 2, the clamping support arm 3, the rear clamping block 4, the link mechanism 5, the front clamping block 6, the front clamping piece 7, the rear clamping piece 51, the front dovetail slide block 52, the front dovetail slide groove 61, the front corrugation 31, the rear dovetail slide block 32, the rear dovetail slide groove 71, the rear corrugation 4, the link mechanism 41, the swing rod 42, the push rod 43, the connecting rod 44, the driving mechanism 45 and the shaft pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 and 2, a textile fabric tensile breaking strength anti-slip test clamping device comprises an upper clamp 20 and a lower clamp 30, wherein the upper clamp 20 is controlled by a lifting mechanism 10 to move up and down, the lower clamp 30 is fixed on a test bench 40, the upper clamp 20 and the lower clamp 30 clamp a fabric, the lifting mechanism 10 drives the upper clamp 20 to move up, and finally the tensile strength of the fabric is tested, the upper clamp 20 and the lower clamp 30 both comprise a clamping support arm 2, a rear clamping block 3 is arranged at the end of the clamping support arm 2, a connecting rod mechanism 4 is arranged on the clamping support arm 2, the connecting rod mechanism 4 drives a front clamping block 5 to move towards the rear clamping block, the front clamping block 5 and the rear clamping block 3 are correspondingly arranged left and right, a front clamping piece 6 capable of sliding out and replacing is arranged on the front clamping block 5, and a rear clamping piece 7 capable of sliding out and replacing is arranged on the rear clamping block 3. The lifting mechanism 10 is a tensile machine.

Preferably, the front clamping block 5 is provided with a front dovetail slide block 51, the front clamping piece 6 is provided with a front dovetail slide groove 52, the front dovetail slide block 51 is matched with the front dovetail slide groove 52, and the front clamping piece 6 can be taken out and replaced by separating the front dovetail slide block 51 from the front dovetail slide groove 52. The front clamping block 5 can also be connected with the front clamping piece in a sliding way through a common linear sliding rail and a linear sliding block. The front clamping piece and the rear clamping piece are both made of die steel (chromium 12), and are more durable and wear-resistant compared with rubber-pasted clamps.

Preferably, the front clip 6 has a front corrugation 61 on its lower surface, the front corrugation comprising a front ridge and a front valley. The structure of the front ripple 61 can be matched with the back ripple 71 of the back clamping piece 7 to interlock with the clamping fabric, so that the clamping force of the test can be improved for the fabric, the sample is prevented from slipping, the influence of shearing and damage to the sample is avoided, and the accuracy of a data result is ensured.

Preferably, the diameter of the front convex grains and the front concave grains is 4-6 mm.

Preferably, the rear clamping block 3 is provided with a rear dovetail slider 31, the rear clamping piece 7 is provided with a rear dovetail sliding groove 32, the rear dovetail slider 31 is matched with the rear dovetail sliding groove 32, and the rear clamping piece 7 can be separated from the rear dovetail sliding groove 32 through the rear dovetail slider 31 and replaced. The rear clamping block 3 can also be connected with the rear clamping piece in a sliding way through a common linear slide rail and a linear slide block.

Preferably, the lower surface of the rear clip 7 is provided with rear corrugations 71, and the rear corrugations 71 comprise rear ridges and rear grooves. The back corrugation 71 and the front corrugation 61 clamp the fabric without shearing and damaging the sample.

Preferably, the diameter of the back convex grains and the back concave grains is 4-6 mm.

Preferably, the front ribs correspond to the rear depressions, the rear ribs correspond to the front depressions, and the front and rear clips grip the fabric by engagement.

Preferably, the link mechanism 4 comprises a swing link 41 and a push rod 42, one end of the swing link 41 is connected with the front clamping block 5 through a connecting rod 43, the swing link 41 is movably connected with the push rod 42, the swing link 41 is movably connected with the connecting rod 43, the push rod 42 is pushed by a driving mechanism 44, and the middle part of the swing link 41 is connected with the clamping support arm 2 through a shaft pin 45. The driving mechanism 44 is a cylinder, and the cylinder directly pushes the push rod to control the swing rod to swing up and down, so that the fabric is clamped.

Preferably, the driving mechanism 44 controls the front clamping block to move towards the rear clamping block by driving the swing rod 41 and the push rod 42.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and structures of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a textile fabric tensile rupture strength prevents test clamping device that skids, includes the last clamp of being controlled the up-and-down motion by hoist mechanism and fixes the lower clamp on the testboard, go up the clamp with the lower clamp is all including the centre gripping support arm, its characterized in that, the tip of centre gripping support arm is equipped with the back clamp splice, be equipped with link mechanism on the centre gripping support arm, link mechanism drives a preceding clamp splice up-and-down motion, preceding clamp splice with the back clamp splice corresponds the setting, be equipped with the preceding clamping piece that can the roll-off change on the preceding clamp splice, be equipped with the back clamping piece that can the roll-off change on the back clamp splice.

2. The textile fabric tensile breaking strength anti-slip test clamping device according to claim 1, wherein a front dovetail sliding block is arranged on the front clamping block, a front dovetail sliding groove is arranged on the front clamping piece, the front dovetail sliding block is matched with the front dovetail sliding groove, and the front clamping piece can be taken out and replaced by separating the front dovetail sliding block from the front dovetail sliding groove.

3. A textile fabric tensile break anti-slip test fixture according to claim 2 wherein said front clip has front corrugations on a surface thereof, said front corrugations comprising front ridges and front valleys.

4. A textile fabric tensile break anti-slip test fixture as claimed in claim 3 wherein said front ridges and said front grooves have a diameter of 4-6 mm.

5. The textile fabric tensile breaking strength anti-slip test clamping device according to claim 3, wherein a rear dovetail slider is arranged on the rear clamping block, a rear dovetail sliding groove is arranged on the rear clamping piece, the rear dovetail slider is matched with the rear dovetail sliding groove, and the rear clamping piece can be taken out and replaced by separating the rear dovetail slider from the rear dovetail sliding groove.

6. A textile fabric tensile break anti-slip test fixture according to claim 5 wherein said rear clip has rear corrugations on a lower surface thereof, said rear corrugations comprising rear ridges and rear valleys.

7. A textile fabric tensile break anti-slip test fixture as claimed in claim 6 wherein said rear ridges and said rear grooves have a diameter of 4-6 mm.

8. A textile fabric tensile break anti-slip test clamping device according to claim 6, wherein said front ridges correspond to said rear grooves, said rear ridges correspond to said front grooves, and said front and rear jaws clamp the fabric by engagement.

9. The textile fabric tensile breaking strength anti-slip test clamping device according to claim 1, wherein the link mechanism comprises a swing rod and a push rod, one end of the swing rod is connected with the front clamping block through a connecting rod, the swing rod is movably connected with the push rod, the swing rod is movably connected with the connecting rod, the push rod is pushed by a driving mechanism, and the middle part of the swing rod is connected with the clamping supporting arm through a shaft pin.

10. The textile fabric tensile break strength anti-slip test fixture of claim 9 wherein the drive mechanism controls the front clamp block to move in the direction of the rear clamp block by driving the swing link and the push rod.