CN215574350U

CN215574350U - Fabric bursting strength appearance

Info

Publication number: CN215574350U
Application number: CN202122010318.6U
Authority: CN
Inventors: 史顺青; 叶凤英; 胡凇月; 王焕莲; 陆晓莺; 徐起立
Original assignee: Tianfang Biao Shanghai Testing Technology Co ltd
Current assignee: Tianfang Biao Shanghai Testing Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-18
Anticipated expiration: 2031-08-25

Abstract

The invention discloses a fabric bursting strength instrument, which belongs to the technical field of fabric detection and comprises: detect the platform, set up in detect the fixed station at platform top, vertical set up in the pneumatic cylinder of fixed station, set up in the clamping ring of pneumatic cylinder piston rod bottom, set up in detect the platform top and be located the elastic film of clamping ring below, the quantity of pneumatic cylinder is two at least, detect the inside of platform and seted up the cavity, the cavity roof be provided with the grease chamber that the elastic film communicates mutually, the grease chamber intussuseption is filled with hydraulic oil, the cavity is provided with the device that expands in step, the output that the device that expands in step acts on the grease chamber. The invention provides a fabric bursting strength instrument which can drive a plurality of oil chambers to simultaneously apply external force with the same load to a plurality of elastic membranes through a synchronous expansion device, and finally compare bursting time of fabrics on the elastic membranes so as to compare bursting strengths of a plurality of different fabrics, thereby improving test efficiency.

Description

Fabric bursting strength appearance

Technical Field

The invention relates to the field of fabric detection, in particular to a fabric bursting strength instrument.

Background

The fabric can bulge, expand and further crack under the action of an external force vertical to the surface of the fabric, the phenomenon is called bursting, the bursting strength of the fabric is an important mechanical index of the fabric, the index is usually detected by using an elastic membrane method, and a main detection instrument is a fabric bursting strength instrument.

The specific detection process is as follows: as shown in fig. 1, a fabric to be tested is placed on the surface of a detection table 1 of a fabric bursting strength instrument, the fabric is covered above an elastic membrane 2 on the surface of the detection table 1, then a hydraulic cylinder 12 on a fixed table 11 at the top of the detection table 1 is started, a pressing ring 13 on a piston rod of the hydraulic cylinder 12 is tightly attached to the surface of the fabric to press the fabric, then a hydraulic device 16 in the detection table 1 is started, hydraulic oil 55 of the hydraulic device 16 is pressed on the elastic membrane 2 above the hydraulic device 16, the elastic membrane 2 is gradually bulged, the fabric to be tested is bulged, expanded and then cracked, and finally the pressure borne by the fabric during bursting is measured through a pressure detection device 17 installed on the hydraulic device 16, so that the bursting strength of the fabric is measured. However, in the actual production process, it is sometimes not necessary to measure the specific pressure value of the bursting of the fabric, but it is only necessary to compare the bursting strengths of two different fabrics, at which time the bursting strengths of the two different fabrics need to be respectively measured, and finally the results are compared to obtain a conclusion.

In view of the related art in the above, the inventors consider that there are drawbacks in that: when the bursting strength of more than two different fabrics is tested, the testing and reading are required to be carried out in sequence, so that the detection time is long, the efficiency is low, and the inconvenience is brought to the bursting strength detection of the fabrics.

Disclosure of Invention

In order to improve the efficiency of simultaneously testing the bursting strength of more than two different fabrics, the invention provides the fabric bursting strength instrument, which can drive a plurality of oil chambers to simultaneously apply external forces with the same load to a plurality of elastic membranes through a synchronous expansion device, and finally compare the bursting time of the fabrics on the elastic membranes so as to compare the bursting strengths of a plurality of different fabrics, thereby improving the testing efficiency.

The invention provides a fabric bursting strength instrument, which adopts the following technical scheme:

the utility model provides a fabric bursting strength appearance, including detecting the platform, set up in detect the fixed station at bench top, vertical set up in the pneumatic cylinder of fixed station, set up in the clamping ring of pneumatic cylinder bottom of the piston rod end, set up in detect bench top and be located the elastic membrane of clamping ring below, the quantity of pneumatic cylinder is two at least, detect the inside of platform and seted up the cavity, the cavity roof be provided with the grease chamber that the elastic membrane communicates mutually, the grease chamber intussuseption is filled with hydraulic oil, the cavity is provided with the device that expands in step, the output that the device that expands in step acts on grease chamber.

By adopting the technical scheme, the synchronous expansion device can enable hydraulic oil in the oil chamber to apply the same oil pressure to the elastic membranes at the same time, so that external forces borne by various different fabrics to be tested are kept the same at the same time, the bursting strength of the fabrics can be compared by comparing the bursting time of the various fabrics, and the test efficiency is improved.

Preferably, the synchronous rising device comprises an oil cylinder arranged on the side wall of the cavity and a straight rod arranged at the end part of a piston rod of the oil cylinder, wherein the straight rod and the oil cylinder extend along the horizontal direction, a plurality of convex blocks are arranged on the straight rod, the convex blocks are distributed along the length direction of the straight rod and are adjacent, the distance between the convex blocks is the same as that between the adjacent hydraulic cylinders, the bottom of the oil chamber is connected with a limiting pipe, the bottom of the limiting pipe is provided with an opening, the inner wall of the limiting pipe is slidably connected with a plunger, the bottom of the plunger is provided with a matching rod, the matching rod is slidably connected with the opening, and the bottom of the matching rod is matched with the convex blocks.

By adopting the technical scheme, when the oil cylinder is started, the straight rod is pushed through the oil cylinder piston rod, so that the plurality of bumps on the straight rod synchronously lift the matching rod, then the matching rod pushes the plunger, the plunger extrudes hydraulic oil in each oil chamber, and the hydraulic oil applies pressure to the elastic membrane to enable the elastic membrane to bulge, thereby driving the fabric on the elastic membrane to bulge, expand and crack.

Preferably, a connecting pipe is connected between adjacent oil chambers.

Through adopting above-mentioned technical scheme, the connecting pipe can communicate the hydraulic oil between the adjacent grease chamber each other to further make each grease chamber keep unanimous to the oil pressure that each elastic membrane applyed, improve the accuracy of test result.

Preferably, the opening diameter is smaller than the outer diameter of the plunger.

Through adopting above-mentioned technical scheme, can avoid the plunger to follow the bottom opening roll-off of spacing pipe to spacing is carried out the plunger, reduces leaking of hydraulic oil in the grease chamber.

Preferably, the bottom wall of the cavity is provided with a sliding rail matched with the straight rod.

Through adopting above-mentioned technical scheme, the slide rail can provide the support for the straight-bar to alleviate the load of hydro-cylinder piston rod.

Preferably, one side of the fixed table, which is close to the elastic membrane, is provided with scale marks, and the scale marks extend along the vertical direction.

Through adopting above-mentioned technical scheme, the scale mark can be convenient for the measurement personnel highly calibrate the elastic membrane before the test, makes the elastic membrane highly keep unanimous at the uplift before the grease chamber starts, improves the accuracy of test result.

Preferably, the fixed station is provided with a camera, and the camera is located above the detection station.

Through adopting above-mentioned technical scheme, because the camera is located the top of examining the test table, consequently the camera can carry out real-time supervision to examining the fabric condition of bursting apart on the test table to be convenient for the measurement personnel to carry out record and comparison to the time of bursting apart of fabric.

Preferably, the detection table is provided with an air gun.

Through adopting above-mentioned technical scheme, the air gun can clear up remaining bursting apart fabric piece on the elastic membrane after the test to reduce because of the influence that the fabric piece remains and cause next bursting strength test result.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the oil cylinder can drive the straight rod and the convex blocks on the straight rod to synchronously lift the matching rods, so that the matching rods push the plunger to extrude hydraulic oil in the oil chamber, and the elastic films on the detection table are expanded simultaneously, so that the bursting strength of different fabrics can be known only by comparing the expansion time among multiple fabrics, and the detection efficiency is improved;

2. the oil pressure between each oil chamber can be kept consistent through the connecting pipe between the adjacent oil chambers, so that the detection accuracy is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a fabric bursting strength instrument in the related art.

Fig. 2 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 3 is a front partial sectional view of fig. 2.

Description of reference numerals: 1. a detection table; 11. a fixed table; 12. a hydraulic cylinder; 13. pressing a ring; 14. scale lines; 15. a display screen; 16. a hydraulic device; 17. a pressure detection device; 2. an elastic film; 3. an oil cylinder; 31. a straight rod; 32. a bump; 4. a slide rail; 5. an oil chamber; 51. a connecting pipe; 52. a limiting pipe; 53. a plunger; 54. a mating rod; 55. hydraulic oil; 6. a camera; 7. an air gun.

Detailed Description

The present invention is described in further detail below with reference to figures 2-3.

The embodiment of the invention discloses a fabric bursting strength instrument.

Referring to fig. 2, a fabric bursting strength instrument comprises a detection table 1, a fixed table 11 is integrally formed at the top of the detection table 1, the cross section of the fixed table 11 is "7" shaped in this embodiment, two hydraulic cylinders 12 are vertically fixed below the horizontal part of the "7" shape, and piston rods of the two hydraulic cylinders 12 are vertically downward. Meanwhile, the bottom of the piston rod of the hydraulic cylinder 12 is fixed with a press ring 13, and the top of the detection table 1 is provided with an elastic membrane 2 at the position right below the press ring 13.

Because the quantity of pneumatic cylinder 12, clamping ring 13 and elastic membrane 2 is two, consequently can detect two kinds of different fabrics simultaneously to improve the detection efficiency who puts the thing.

Referring to fig. 3, in order to calibrate the two elastic membranes 2, the vertical portion of the fixing table 11 is provided with a scale mark 14 on the side wall close to one side of the elastic membrane 2, and the calibration is performed through the scale mark 14 before the test, so that the heights of the two elastic membranes 2 in the vertical direction before the test can be consistent, and the accuracy of the test result can be improved.

In addition, a cavity is formed in the detection table 1, a sliding rail 4 is fixed to the bottom wall of the cavity, an oil cylinder 3 is fixed to the side wall of the cavity, a straight rod 31 is fixed to the end portion of a piston rod of the oil cylinder 3, and the straight rod 31 is matched with the sliding rail 4.

When the oil cylinder 3 is started, the straight rod 31 can be driven to slide along the slide rail 4, and meanwhile, the bottom of the slide rail 4 is connected with the bottom wall of the cavity, so that the straight rod 31 can be supported, and the load of a piston rod of the oil cylinder 3 is reduced.

Meanwhile, two bumps 32 are fixed on the top of the straight rod 31, the two bumps 32 are distributed along the length direction of the straight rod 31, the distance between the two bumps 32 is the same as that between the two hydraulic cylinders 12, in addition, two oil chambers 5 are arranged on the top wall of the cavity, and hydraulic oil 55 is filled in the oil chambers 5. Wherein, the two oil chambers 5 are respectively positioned under the two elastic membranes 2, and the top of the oil chamber 5 is communicated with the elastic membranes 2. The connecting pipe 51 is communicated between the two oil chambers 5, the limiting pipe 52 is communicated with the center of the bottom of the single oil chamber 5, the plunger 53 is connected to the inner wall of the limiting pipe 52 in a sliding mode, the bottom of the limiting pipe 52 is provided with an opening with the diameter smaller than the outer diameter of the plunger 53, the bottom of the plunger 53 is fixed with the matching rod 54, the matching rod 54 is matched with the opening at the bottom of the limiting pipe 52, and therefore the lower end of the matching rod 54 can extend out of the limiting pipe 52.

When the straight rod 31 slides along the slide rail 4, the convex block 32 and the straight rod 31 are driven to synchronously move, and simultaneously, the convex block 32 is matched with the limiting rod, so that the limiting rod is jacked and pushes the plunger 53 to move upwards, the plunger 53 drives the hydraulic oil 55 in the oil chamber 5 to apply pressure to the elastic membrane 2, and simultaneously, because the two oil chambers 5 are mutually communicated through the connecting pipe 51, the oil pressure of the hydraulic oil 55 in the two oil chambers 5 is kept consistent everywhere, so that the external force applied to the fabric to be tested by the two elastic membranes 2 is always kept synchronous, and the bursting strength is compared by comparing the bursting time of the two fabrics to be tested, the specific bursting strength of the fabric is not required to be measured, and the test efficiency is further improved. Meanwhile, the outer diameter of the plunger 53 is smaller than the diameter of the bottom opening of the limiting tube 52, so that the plunger 53 can be prevented from sliding out of the opening.

In addition, in order to record and compare the burst speeds of the two fabrics to be tested, a camera 6 is installed at the bottom of the horizontal part of the fixed table 11, and a display screen 15 electrically connected with the camera 6 is installed on the side wall of the horizontal part of the fixed table 11.

After the camera 6 starts, can monitor the test table 1 that is located 6 belows of camera to transmit the real-time detection picture to display screen 15, thereby be convenient for the measurement personnel to compare the bursting time of fabric through 15 pictures on the display screen, and then compare the bursting strength height of fabric.

Simultaneously, examine test table 1 for the clearance is convenient for, install air gun 7 at the lateral wall that examines test table 1, through aim at air gun 7 and examine the elastic membrane 2 on test table 1, can finish the back to the test and remain the fabric piece on elastic membrane 2 and clear up to reduce the influence of fabric piece to the test result next time.

The implementation principle of the fabric bursting strength instrument provided by the embodiment of the invention is as follows:

the tester firstly calibrates the two elastic films 2 on the detection table 1 by means of the scale marks 14, so that the heights of the two elastic films 2 in the vertical direction are kept consistent, then two different fabrics to be detected are respectively placed on the surfaces of the two elastic films 2, and then the hydraulic cylinder 12 is started, so that the piston rod of the hydraulic cylinder 12 pushes the compression ring 13 to be pressed downwards until the two compression rings 13 respectively compress the two fabrics to be detected.

After confirming that the fabric is compressed, a tester opens the camera 6 and the display screen 15, starts the oil cylinder 3, a piston rod of the oil cylinder 3 pushes the straight rod 31 to slide along the sliding rail 4, meanwhile, the lug 32 on the straight rod 31 is driven to move synchronously, then, the lug 32 jacks the matching rod 54, the matching rod 54 pushes the plunger 53 to extrude hydraulic oil 55 in the oil chamber 5, so that the hydraulic oil 55 presses the elastic membrane 2 above, the fabric on the elastic membrane 2 is bulged and expanded until the tester observes that one of the fabrics is cracked first through the display screen 15, then, the oil cylinder 3 stops, the tester records a test result, finally, the hydraulic cylinder 12 is driven to reset the hydraulic cylinder 12, the air gun 7 is used for cleaning the elastic membrane 2, and the bursting strength test of the fabric is completed.

The above are all preferred embodiments of the present invention, and the present embodiment is only for explaining the present invention, and not for limiting the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a fabric bursting strength appearance, including detecting platform (1), set up in detect fixed station (11) at platform (1) top, vertical set up in pneumatic cylinder (12) of fixed station (11), set up in clamping ring (13) of pneumatic cylinder (12) piston rod bottom set up in detect platform (1) top and be located elastic membrane (2) of clamping ring (13) below, its characterized in that: the quantity of pneumatic cylinder (12) is two at least, examine the inside of test table (1) and seted up the cavity, the cavity roof be provided with grease chamber (5) that elastic film (2) are linked together, grease chamber (5) intussuseption is filled with hydraulic oil (55), the cavity is provided with the device that expands in step, the output that the device that expands in step acts on grease chamber (5).

2. The fabric bursting strength instrument of claim 1, wherein: the synchronous rising device comprises an oil cylinder (3) arranged on the side wall of the cavity, a straight rod (31) arranged at the end part of a piston rod of the oil cylinder (3), wherein the straight rod (31) and the oil cylinder (3) both extend along the horizontal direction, the straight rod (31) is provided with a plurality of bumps (32), the bumps (32) are distributed along the length direction of the straight rod (31), and the distance between the adjacent convex blocks (32) is the same as that between the adjacent hydraulic cylinders (12), the bottom of the oil chamber (5) is connected with a limiting pipe (52), the bottom of the limiting pipe (52) is provided with an opening, the inner wall of the limiting pipe (52) is connected with a plunger (53) in a sliding way, the bottom of the plunger (53) is provided with a matching rod (54), the matching rod (54) is connected to the opening in a sliding mode, and the bottom of the matching rod (54) is matched with the projection (32).

3. The fabric bursting strength instrument of claim 1, wherein: and a connecting pipe (51) is connected between the adjacent oil chambers (5).

4. The fabric bursting strength instrument of claim 2, wherein: the opening diameter is smaller than the outer diameter of the plunger (53).

5. The fabric bursting strength instrument of claim 2, wherein: the bottom wall of the cavity is provided with a sliding rail (4) matched with the straight rod (31).

6. The fabric bursting strength instrument of claim 1, wherein: scale marks (14) are arranged on one side, close to the elastic membrane (2), of the fixed table (11), and the scale marks (14) extend in the vertical direction.

7. The fabric bursting strength instrument of claim 1, wherein: the fixed station (11) is provided with a camera (6), and the camera (6) is positioned above the detection station (1).

8. The fabric bursting strength instrument of claim 1, wherein: the detection table (1) is provided with an air gun (7).