CN117969379B - Textile fabric air permeability detection device and test method - Google Patents
Textile fabric air permeability detection device and test method Download PDFInfo
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- CN117969379B CN117969379B CN202410365192.XA CN202410365192A CN117969379B CN 117969379 B CN117969379 B CN 117969379B CN 202410365192 A CN202410365192 A CN 202410365192A CN 117969379 B CN117969379 B CN 117969379B
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- 239000004744 fabric Substances 0.000 title claims abstract description 122
- 230000035699 permeability Effects 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 239000004753 textile Substances 0.000 title claims abstract description 22
- 238000010998 test method Methods 0.000 title claims description 4
- 238000003860 storage Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000000670 limiting effect Effects 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000036961 partial effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Abstract
The invention relates to the technical field of cloth air permeability detection, in particular to a textile cloth air permeability detection device and a textile cloth air permeability detection method, wherein the textile cloth air permeability detection device comprises a machine body, and the machine body is provided with: the first air outlet and the second air outlet are fixedly connected to the air storage chamber, and the first air flow detector is fixedly connected to the middle end of the lower fixing plate; the U-shaped movable block, the pushing block and the side end movable block are both arranged at the bottom end of the upper movable plate in a sliding sleeved mode, and the side end movable block is arranged in the second cavity in a sliding sleeved mode. The invention firstly enables the upper moving plate to prop against the lower fixed plate, thereby obtaining the air permeability of the large-area of the cloth, then detecting the cloth gas flow at the two sides of the side end moving block through the two second gas flow detectors, the air permeability of the small-area region of the cloth in the pulling state is obtained, and the air permeability of the large-area region of the cloth and the small-area region of the cloth in the pulling state can be obtained without cutting the cloth.
Description
Technical Field
The invention relates to the technical field of cloth air permeability detection, in particular to a textile cloth air permeability detection device and a textile cloth air permeability detection method.
Background
The air permeability of the fabric refers to the property of air molecules passing through the fabric, is the most basic property in the permeability of the fabric, directly influences the comfort of the fabric clothing, and is determined by the number and the size of warp and weft yarns and gaps among fibers in the fabric, namely, the air permeability is related to factors such as the warp and weft yarn density, the warp and weft yarn linear density, the yarn twist degree and the like of the fabric, and is also related to factors such as the fiber property, the yarn structure, the fabric thickness, the unit volume weight and the like.
In the prior art, a cloth tightness detection device based on the safety detection of sealed protective clothing is mostly adopted, as disclosed in publication number CN112067210B, and the technology comprises a base; the top of the rear side of the base is fixedly provided with an air seat; two groups of piston cylinders are integrally arranged on the front side of the air seat; the technology provides a control function capable of being quickly adjusted for the detection device through the piston cylinder, air is injected into the air seat or discharged from the air seat by utilizing air flow control of the one-way valve, positive pressure is increased or negative pressure is reduced, but the technology still has problems in the use process because of the limited structure:
In the existing detection process, in order to obtain the air permeability of a large-area region of a cloth, the whole of the cloth is generally straightened so as to obtain air permeability data of the large-area region of the cloth, and in order to obtain the air permeability of the large-area region of the cloth when the part of the cloth is in a pulling and straightening state, a small-area cloth is needed to be cut on the cloth so as to facilitate pulling and straightening of the small-area cloth, and the air permeability data of the small-area cloth is detected, but in the prior art, the large-area cloth and the small-area cloth cannot be detected and switched in the pulling and straightening state, so that the cloth must be cut, and the small-area cloth cannot be effectively utilized due to the fact that the small-area cloth is wasted.
Disclosure of Invention
The invention aims to solve the problem that detection switching cannot be performed on large-area cloth in a stretched state and small-area cloth in a pulled state in the prior art, and provides a textile cloth air permeability detection device and a textile cloth air permeability detection method.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a textile fabric gas permeability detection device, includes the organism, be provided with on the organism:
the device comprises a lower fixed plate, an upper moving plate, a first cavity, a second cavity, a third cavity and an air storage chamber, wherein the lower fixed plate is fixedly connected to the lower end of a machine body, the upper moving plate is arranged at the upper end of the machine body, the first cavity is formed in the upper moving plate, the second cavity and the third cavity are respectively formed in the upper end and the lower end of the lower fixed plate, and the air storage chamber is formed in the first cavity;
The first air outlet and the second air outlet are fixedly connected to the air storage chamber, the first air outlet and the second air outlet are communicated with the air storage chamber, the first air flow detector is fixedly connected to the middle end of the lower fixing plate, and the first air flow detector is used for detecting the air flow of the cloth at the first air outlet;
The device comprises a U-shaped movable block, a pushing block and a side end movable block, wherein the U-shaped movable block and the pushing block are both sleeved at the bottom end of an upper movable plate in a sliding manner, the upper ends of the U-shaped movable block and the pushing block extend to a first cavity, the side end movable block is sleeved in a second cavity in a sliding manner, the side end movable block is movably propped against the pushing block, and the U-shaped movable block and the pushing block locally drag three points on cloth under the driving of the upward movement of the side end movable block;
The two ends of the telescopic corrugated pipe are fixedly connected with the second air outlet and the U-shaped movable block respectively, the two side air outlets are fixedly connected with the two ends of the inner side of the U-shaped movable block, the side air outlets are communicated with the telescopic corrugated pipe, the two second air flow detectors are fixedly connected with the left and right ends of the side movable block, and the two second air flow detectors are used for detecting the air flow of cloth at the gap between the U-shaped movable block and the side movable block;
The driving mechanism is arranged on the lower fixed plate and the upper moving plate and is used for driving the U-shaped movable block and the pushing block;
the paving mechanism is arranged on the machine body and the lower fixing plate and is used for leveling cloth;
The laying mechanism includes:
The driving motor is fixedly arranged in the third cavity, the rotating disc is fixedly connected to the output end of the driving motor, and one ends of the four deflection rods are connected to the rotating disc through pin shafts;
The four placing plates are arranged in the third cavity in a sliding sleeve mode, the four placing plates extend to the outer end of the lower fixing plate, the other ends of the four deflection rods are respectively connected with the four placing plate pin shafts, and the four limiting rods are respectively welded to the extending ends of the four placing plates;
the horizontal spout, horizontal cylinder and leveling board, horizontal spout sets up on the organism, horizontal cylinder welds in horizontal spout, leveling board sliding sleeve locates in the horizontal spout, leveling board offsets with lower fixed plate upper end activity, and horizontal cylinder output and leveling board fixed connection.
Preferably, a vertical chute is formed in the machine body, the upper moving plate is slidably sleeved in the vertical chute, a vertical cylinder is welded in the vertical chute, and the output end of the vertical cylinder is fixedly connected with the upper moving plate.
Preferably, the upper end of the upper moving plate is fixedly connected with a gas pump, the output end of the gas pump is communicated with the gas storage chamber, the first gas outlet is of an inverted convex structure with the upper width and the lower width, the lower narrow end of the first gas outlet is communicated with the outer end of the upper moving plate, and the second gas outlet is of a positive convex structure with the upper width and the lower width.
Preferably, the driving mechanism includes:
the driving cylinder is welded to the second cavity, the output end of the driving cylinder is fixedly connected with the side end moving block, and the first inner end sliding chute and the first outer end sliding chute are respectively arranged at the inner end and the outer end of the second air outlet;
The first inner end magnetic block, the first outer end magnetic block and the first sliding block are respectively arranged in the first inner end sliding groove and the first outer end sliding groove in a sliding sleeved mode, the first sliding block is arranged at the upper narrow end of the second air outlet in a sliding sleeved mode, and the first sliding block is fixedly connected with the first inner end magnetic block;
The first inner end sliding chute, the second outer end sliding chute, the second inner end magnetic block, the second outer end magnetic block and the second sliding block are respectively arranged at the inner end and the outer end of the first air outlet, the second inner end magnetic block and the second outer end magnetic block are respectively sleeved in the second inner end sliding chute and the second outer end sliding chute in a sliding manner, the first outer end magnetic block is fixedly connected with the second outer end magnetic block through a connecting plate, and the second sliding block is fixedly connected with the second inner end magnetic block;
the rotary gear is rotatably installed in the first cavity, the first rack and the second rack are both sleeved in the first cavity in a sliding mode, and the first rack and the second rack are both connected with the rotary gear in a meshed mode.
Preferably, the first inner magnetic block and the second inner magnetic block are attracted to the opposite poles of the first outer magnetic block and the second outer magnetic block respectively, the first rack and the second rack are fixedly connected with the pushing block and the U-shaped movable block respectively, and the U-shaped movable block is fixedly connected with the connecting plate.
A testing method of a textile fabric air permeability detection device comprises the following steps:
step S1: firstly, clamping holes at four corners of the cloth are respectively sleeved on four limiting rods, the cloth is scraped and leveled by a leveling plate, and then the leveling plate is driven by a deflection rod to extend outwards so as to pull the straightened cloth;
step S2: then the upper moving plate is propped against the lower fixed plate, the gas transmission pump is started, gas enters the gas storage chamber, and the gas flows out from the lower narrow end of the first gas outlet, and at the moment, the gas flow at the first gas outlet of the cloth is detected by the first gas flow detector;
Step S3: when the small area of the cloth is required to be pulled, the driving cylinder drives the side end moving block to move upwards so as to jack up partial cloth, the side end moving block jacks up the pushing block to move upwards, the cloth at the two ends of the side end moving block of the U-shaped movable block is pulled downwards, and the two side end air outlets and the two second air flow detectors respectively prop against the cloth at the two sides of the side end moving block;
Step S4: simultaneously, the first sliding block and the second sliding block move downwards together, the first sliding block moves downwards to the lower wide end of the second air outlet, the second sliding block moves downwards to be propped against the lower narrow end of the first air outlet, the second air outlet is opened, the first air outlet is closed, air flows from the telescopic bellows to the air outlet at the side end, and at the moment, the distribution air flow at the two sides of the side end moving block is detected through the two second air flow detectors.
Compared with the prior art, the invention has the following advantages:
According to the invention, the upper moving plate is propped against the lower fixed plate, the air flow at the first air outlet of the cloth is detected by the first air flow detector, so that the air permeability of the large-area of the cloth is obtained, then the side end moving block and the U-shaped moving block are moved, so that the small-area of the cloth is in a pulling state, and meanwhile, the air flow of the cloth at the two sides of the side end moving block is detected by the two second air flow detectors, so that the air permeability of the small-area of the cloth in the pulling state is obtained, and the air permeability of the large-area of the cloth and the small-area of the cloth in the pulling state can be obtained without cutting the cloth.
2. When the side end moving block and the U-shaped movable block pull the small-area region of the cloth, the first inner end magnetic block and the second inner end magnetic block are attracted with the opposite poles of the first outer end magnetic block and the second outer end magnetic block respectively, so that the first sliding block moves down to the lower wide end of the second air outlet, the second sliding block moves down to be propped against the lower narrow end of the first air outlet, the second air outlet is opened, the first air outlet is closed, gas flows in the small-area region of the cloth in a concentrated mode, a large amount of gas is prevented from flowing out from the first air outlet, and the small-area region of the cloth does not have enough gas for detecting air permeability.
Drawings
Fig. 1 is a schematic structural view of a device for detecting air permeability of a textile fabric according to the present invention;
FIG. 2 is a schematic right-cut view of a device for detecting air permeability of a textile fabric according to the present invention;
FIG. 3 is a right cross-sectional view of a lower fixing plate of the textile fabric air permeability detection device according to the present invention;
Fig. 4 is a schematic view showing a lower fixing plate of a textile fabric air permeability detection device according to the present invention in a top-down section;
FIG. 5 is a schematic front cross-sectional view of an upper moving plate of a fabric ventilation property detection device according to the present invention;
FIG. 6 is an enlarged schematic view of portion A of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic front sectional view of an upper moving plate of a fabric air permeability detecting device according to the present invention;
FIG. 8 is a schematic front cross-sectional view of an upper moving plate of a fabric ventilation property detection device according to the present invention;
FIG. 9 is a schematic front cross-sectional view of an upper moving plate of a fabric ventilation property detection device according to the present invention;
FIG. 10 is a schematic diagram showing a left cross section of an upper moving plate of a fabric ventilation property detection device according to the present invention;
FIG. 11 is an enlarged schematic view of portion B of FIG. 10 in accordance with the invention;
FIG. 12 is a schematic diagram showing a second cross-sectional view of an upper moving plate of a fabric air permeability detecting device according to the present invention;
FIG. 13 is an enlarged schematic view of portion C of FIG. 12 in accordance with the invention;
fig. 14 is a schematic structural view of a U-shaped movable block, a pushing block and a side end moving block of the textile fabric air permeability detecting device according to the present invention.
In the figure: 1. a body; 2. a lower fixing plate; 3. an upper moving plate; 4. an air storage chamber; 5. a first air outlet; 6. a first airflow detector; 7. a U-shaped movable block; 8. a pushing block; 9. a side end moving block; 10. a side end air outlet; 11. a second airflow detector; 12. a gas delivery pump; 13. a second air outlet; 14. a bellows; 15. a first inner end chute; 16. a first outer end chute; 17. a first inner end magnetic block; 18. a first outer end magnetic block; 19. a first slider; 20. a second inner end chute; 21. a second outer end chute; 22. a second inner end magnetic block; 23. a second outer end magnetic block; 24. a second slider; 25. a transverse chute; 26. a transverse cylinder; 27. leveling plates; 28. a vertical chute; 29. a vertical cylinder; 30. a rotating disc; 31. a deflection lever; 32. placing a plate; 33. a limit rod; 34. a rotary gear; 35. a first rack; 36. a second rack; 37. the cylinder is driven.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-14, a device and a method for detecting air permeability of textile fabric, comprising a machine body 1, wherein a lower fixed plate 2, an upper moving plate 3, a first cavity, a second cavity, a third cavity and an air storage chamber 4 are arranged on the machine body 1, the lower fixed plate 2 is fixedly connected to the lower end of the machine body 1, the upper moving plate 3 is arranged at the upper end of the machine body 1, as shown in fig. 5, a first cavity is formed in the upper moving plate 3, as shown in fig. 3 and fig. 4, a second cavity and a third cavity are respectively formed at the upper end and the lower end of the lower fixed plate 2, and the air storage chamber 4 is arranged at the upper end of the first cavity;
The machine body 1 is also provided with a first air outlet 5, a second air outlet 13 and a first air flow detector 6, the first air outlet 5 and the second air outlet 13 are fixedly connected to the air storage chamber 4, the first air outlet 5 and the second air outlet 13 are communicated with the air storage chamber 4, the first air flow detector 6 is fixedly connected to the middle end of the lower fixed plate 2, and the first air flow detector 6 is used for detecting the air flow of the cloth at the first air outlet 5, so that the air permeability of the large-area of the cloth is obtained;
The machine body 1 is also provided with a U-shaped movable block 7, a pushing block 8 and a side end movable block 9, as shown in fig. 3 and 7, the U-shaped movable block 7 and the pushing block 8 are both sleeved at the bottom end of the upper movable plate 3 in a sliding way through an opening structure, the upper ends of the U-shaped movable block 7 and the pushing block 8 extend to a first cavity, the side end movable block 9 is sleeved in a second cavity in a sliding way through the opening structure, the side end movable block 9 is movably propped against the pushing block 8, the U-shaped movable block 7 and the pushing block 8 are driven by the upward movement of the side end movable block 9 to move downwards, and the pushing block 8 moves upwards to locally pull three points on cloth, so that a small-area of the cloth is in a pulling straight state;
The machine body 1 is also provided with a telescopic corrugated pipe 14, a side air outlet 10 and a second air flow detector 11, two ends of the telescopic corrugated pipe 14 are respectively and fixedly connected with the second air outlet 13 and the U-shaped movable block 7, and as the telescopic corrugated pipe 14 can freely stretch, when the U-shaped movable block 7 moves downwards, the telescopic corrugated pipe 14 pulls and stretches along with the U-shaped movable block 7, as shown in figure 14, two side air outlets 10 are fixedly connected with two ends of the inner side of the U-shaped movable block 7, the side air outlets 10 are communicated with the telescopic corrugated pipe 14, two second air flow detectors 11 are fixedly connected with the left end and the right end of the side movable block 9, and the two second air flow detectors 11 are used for detecting air flow of cloth at a gap between the U-shaped movable block 7 and the side movable block 9, so that air permeability of the small area of the cloth in a pulling state is obtained;
The machine body 1 is also provided with a driving mechanism which is arranged on the lower fixed plate 2 and the upper moving plate 3 and is used for driving the U-shaped movable block 7 and the pushing block 8 so as to pull the small-area region of the cloth; the laying mechanism is arranged on the machine body 1 and the lower fixing plate 2 and is used for leveling cloth so as to detect air permeability of the cloth.
And set up vertical spout 28 on organism 1, as shown in fig. 1, go up movable plate 3 and locate in the vertical spout 28 through the support slip cap, the welding has vertical cylinder 29 in the vertical spout 28, and the accessible vertical cylinder 29 output drives and goes up movable plate 3 and move down, lets go up movable plate 3 and lower fixed plate 2 and offset, and then detects the gas permeability of cloth large tracts of land department.
The upper end of the upper moving plate 3 is fixedly connected with a gas-conveying air pump 12, the output end of the gas-conveying air pump 12 is communicated with the gas storage chamber 4, and gas is conveyed into the gas storage chamber 4 for storage by starting the gas-conveying air pump 12, as shown in fig. 9, the first gas outlet 5 is of an inverted convex structure with a wide upper part and a narrow lower part, the narrow lower end of the first gas outlet 5 is communicated with the outer end of the upper moving plate 3, and the second gas outlet 13 is of a positive convex structure with a narrow upper part and a wide lower part.
The driving mechanism comprises a driving air cylinder 37, a first inner end sliding groove 15 and a first outer end sliding groove 16, the driving air cylinder 37 is welded in the second cavity, the output end of the driving air cylinder 37 is fixedly connected with the side end moving block 9, and the first inner end sliding groove 15 and the first outer end sliding groove 16 are respectively arranged at the inner end and the outer end of the second air outlet 13;
The driving mechanism further comprises a first inner end magnetic block 17, a first outer end magnetic block 18 and a first sliding block 19, wherein the first inner end magnetic block 17 and the first outer end magnetic block 18 are respectively sleeved in the first inner end sliding groove 15 and the first outer end sliding groove 16 in a sliding manner, as shown in fig. 9, when the first sliding block 19 is sleeved on the upper narrow end of the second air outlet 13 in a sliding manner, the second air outlet 13 is closed, and when the first sliding block 19 moves to the lower wide end of the second air outlet 13, the second air outlet 13 is opened, and the first sliding block 19 is fixedly connected with the first inner end magnetic block 17;
The driving mechanism further comprises a second inner end chute 20, a second outer end chute 21, a second inner end magnetic block 22, a second outer end magnetic block 23 and a second sliding block 24, wherein the second inner end chute 20 and the second outer end chute 21 are respectively arranged at the inner end and the outer end of the first air outlet 5, the second inner end magnetic block 22 and the second outer end magnetic block 23 are respectively sleeved in the second inner end chute 20 and the second outer end chute 21 in a sliding manner, as shown in fig. 8, the first outer end magnetic block 18 and the second outer end magnetic block 23 are fixedly connected through a connecting plate so as to enable the first outer end magnetic block 18 and the second outer end magnetic block 23 to synchronously move, and as shown in fig. 9, the second sliding block 24 is fixedly connected with the second inner end magnetic block 22, when the second sliding block 24 is positioned at the upper wide end of the first air outlet 5, the first air outlet 5 is opened, and when the second sliding block 24 is propped against the lower narrow end of the first air outlet 5, the first air outlet 5 is closed;
The driving mechanism further comprises a rotary gear 34, a first rack 35 and a second rack 36, the rotary gear 34 is rotatably installed in the first cavity, the first rack 35 and the second rack 36 are both sleeved in the first cavity in a sliding mode through guide groove bodies, and a reset spring for resetting the first rack 35 is arranged on the guide groove body at the position of the first rack 35, as shown in fig. 5 and 6, the first rack 35 and the second rack 36 are both connected with the rotary gear 34 in a meshed mode, and accordingly reverse movement is conducted between the first rack 35 and the second rack 36.
The first inner magnetic block 17 and the second inner magnetic block 22 are attracted to the first outer magnetic block 18 and the second outer magnetic block 23 respectively, the first rack 35 and the second rack 36 are fixedly connected with the pushing block 8 and the U-shaped movable block 7 respectively, the U-shaped movable block 7 is fixedly connected with the connecting plate, when the side end moving block 9 jacks up the pushing block 8 to move upwards, the U-shaped movable block 7 drives the first sliding block 19 and the second sliding block 24 to move downwards so as to enable the first air outlet 5 to be closed, the second air outlet 13 to be opened, and when the side end moving block 9 moves downwards and is separated from the pushing block 8, the first rack 35 is moved to an initial position under the elastic force of the reset spring so as to reset the U-shaped movable block 7 and the pushing block 8.
The laying mechanism comprises a driving motor, a rotating disc 30 and deflection rods 31, wherein the driving motor is fixedly arranged at the bottom end of the third cavity, the rotating disc 30 is fixedly connected to the output end of the driving motor, and one ends of the four deflection rods 31 are connected to the rotating disc 30 through pin shafts;
The laying mechanism further comprises a placing plate 32 and a limiting rod 33, as shown in fig. 4, the four placing plates 32 are all sleeved in the third cavity in a sliding manner through an opening structure, the four placing plates 32 extend to the outer ends of the lower fixed plate 2, the other ends of the four deflection rods 31 are respectively connected with the four placing plates 32 through pin shafts, when the rotating disc 30 rotates anticlockwise, the deflection rods 31 deflect horizontally and enable the placing plates 32 to extend outwards, when the rotating disc 30 rotates clockwise, the deflection rods 31 deflect vertically and enable the placing plates 32 to retract inwards, meanwhile, the four limiting rods 33 are respectively welded on the extending ends of the four placing plates 32, clamping holes can be respectively formed in four corners of a cloth, the four clamping holes are respectively sleeved on the four limiting rods 33, so that the cloth is initially placed, and when the placing plates 32 sequentially extend or retract, the cloth is sequentially straightened or relieved;
The laying mechanism further comprises a transverse sliding groove 25, a transverse air cylinder 26 and a leveling plate 27, wherein the transverse sliding groove 25 is formed in the machine body 1, the transverse air cylinder 26 is welded in the transverse sliding groove 25, the leveling plate 27 is slidably sleeved in the transverse sliding groove 25, the leveling plate 27 is movably abutted against the upper end of the lower fixing plate 2, the output end of the transverse air cylinder 26 drives the leveling plate 27 to move, and the leveling plate 27 is enabled to scrape and level initially placed cloth so as to reduce wrinkles of the cloth.
The invention can explain its functional principle by the following modes of operation:
Firstly, clamping holes at four corners of cloth are respectively sleeved on four limiting rods 33, a transverse air cylinder 26 is started, the transverse air cylinder 26 drives a leveling plate 27 to move, the leveling plate 27 scrapes and levels the cloth, a driving motor is started, as shown in fig. 4, the output end of the driving motor drives a rotating disc 30 to rotate anticlockwise, the rotating disc 30 drives a deflection rod 31 to deflect horizontally, and the deflection rod 31 drives a placing plate 32 to extend outwards, so that the cloth is pulled to be straightened;
Then driving a vertical air cylinder 29, enabling the vertical air cylinder 29 to drive an upper moving plate 3 to move downwards, enabling the upper moving plate 3 to be propped against a lower fixed plate 2, starting an air transmission pump 12, enabling air to enter an air storage chamber 4, enabling the air to flow out of the lower narrow end of a first air outlet 5, and detecting the air flow at the first air outlet 5 of the cloth through a first air flow detector 6;
when the small area of the cloth is required to be pulled, the vertical air cylinder 29 drives the upper moving plate 3 to move upwards, a gap exists between the upper moving plate 3 and the lower fixed plate 2, the stretching state of the cloth is relieved, the driving air cylinder 37 is started again, the driving air cylinder 37 drives the side end moving block 9 to move upwards so as to jack up partial cloth, the side end moving block 9 continuously moves upwards, the side end moving block 9 jacks up the pushing block 8 to move upwards, the pushing block 8 drives the first rack 35 to move upwards, and the first rack 35 and the second rack 36 are meshed and driven by the rotary gear 34, the second rack 36 drives the U-shaped moving block 7 to move downwards, the cloth at two ends of the side end moving block 9 of the U-shaped moving block 7 moves downwards, and meanwhile, the two side end air outlets 10 and the two second air flow detectors 11 respectively abut against the cloth at two sides of the side end moving block 9;
And the U-shaped movable block 7 drives the first outer end magnetic block 18 to move downwards, one of the first outer end magnetic blocks 18 drives the second outer end magnetic block 23 to move downwards together through the connecting plate, meanwhile, the first inner end magnetic block 17 and the second inner end magnetic block 22 are attracted with opposite poles of the first outer end magnetic block 18 and the second outer end magnetic block 23 respectively, the first sliding block 19 and the second sliding block 24 move downwards together, as shown in fig. 9, the first sliding block 19 moves downwards to the lower wide end of the second air outlet 13, the second sliding block 24 moves downwards to be abutted against the lower narrow end of the first air outlet 5, the second air outlet 13 is opened, the first air outlet 5 is closed, air in the air storage chamber 4 flows to the second air outlet 13, and then flows to the side air outlet 10 from the telescopic bellows 14, and at the moment, the cloth air flow on two sides of the side end moving block 9 is detected through the two second air flow detectors 11.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a textile fabric gas permeability detection device, includes organism (1), its characterized in that, be provided with on organism (1):
The device comprises a lower fixing plate (2), an upper moving plate (3), a first cavity, a second cavity, a third cavity and an air storage chamber (4), wherein the lower fixing plate (2) is fixedly connected to the lower end of a machine body (1), the upper moving plate (3) is arranged at the upper end of the machine body (1), the first cavity is formed in the upper moving plate (3), the second cavity and the third cavity are respectively formed in the upper end and the lower end of the lower fixing plate (2), and the air storage chamber (4) is formed in the first cavity;
The device comprises a first air outlet (5), a second air outlet (13) and a first air flow detector (6), wherein the first air outlet (5) and the second air outlet (13) are fixedly connected to an air storage chamber (4), the first air outlet (5) and the second air outlet (13) are communicated with the air storage chamber (4), the first air flow detector (6) is fixedly connected to the middle end of a lower fixed plate (2), and the first air flow detector (6) is used for detecting the air flow of cloth at the first air outlet (5);
The device comprises a U-shaped movable block (7), a pushing block (8) and a side end movable block (9), wherein the U-shaped movable block (7) and the pushing block (8) are both sleeved at the bottom end of an upper movable plate (3) in a sliding manner, the upper end of the U-shaped movable block (7) and the upper end of the pushing block (8) extend to a first cavity, the side end movable block (9) is sleeved in a second cavity in a sliding manner, the side end movable block (9) is movably abutted against the pushing block (8), and the U-shaped movable block (7) and the pushing block (8) are driven by the upward movement of the side end movable block (9) to locally drag cloth at three points;
The device comprises a telescopic corrugated pipe (14), side air outlets (10) and second air flow detectors (11), wherein two ends of the telescopic corrugated pipe (14) are respectively fixedly connected with a second air outlet (13) and a U-shaped movable block (7), the two side air outlets (10) are fixedly connected with two ends of the inner side of the U-shaped movable block (7), the side air outlets (10) are communicated with the telescopic corrugated pipe (14), the two second air flow detectors (11) are fixedly connected with the left end and the right end of a side movable block (9), and the two second air flow detectors (11) are used for detecting the air flow of cloth at a gap between the U-shaped movable block (7) and the side movable block (9);
the driving mechanism is arranged on the lower fixed plate (2) and the upper moving plate (3) and is used for driving the U-shaped movable block (7) and the pushing block (8);
the laying mechanism is arranged on the machine body (1) and the lower fixing plate (2) and is used for flattening cloth;
The laying mechanism includes:
the rotary disc (30) is fixedly connected to the output end of the driving motor, and one ends of the four deflection rods (31) are connected to the rotary disc (30) through pin shafts;
The four placing plates (32) are sleeved in the third cavity in a sliding mode, the four placing plates (32) extend to the outer end of the lower fixed plate (2), the other ends of the four deflection rods (31) are respectively connected with the four placing plates (32) through pin shafts, and the four limiting rods (33) are respectively welded on the extending ends of the four placing plates (32);
Horizontal spout (25), horizontal cylinder (26) and leveling board (27), horizontal spout (25) are seted up on organism (1), horizontal cylinder (26) weld in horizontal spout (25), leveling board (27) slip cap locates in horizontal spout (25), leveling board (27) offsets with lower fixed plate (2) upper end activity, and horizontal cylinder (26) output and leveling board (27) fixed connection.
2. The textile fabric ventilation property detection device according to claim 1, wherein the machine body (1) is provided with a vertical chute (28), the upper moving plate (3) is slidably sleeved in the vertical chute (28), a vertical cylinder (29) is welded in the vertical chute (28), and the output end of the vertical cylinder (29) is fixedly connected with the upper moving plate (3).
3. The textile fabric ventilation property detection device according to claim 1, wherein the upper end of the upper moving plate (3) is fixedly connected with a gas-supply air pump (12), the output end of the gas-supply air pump (12) is communicated with the gas storage chamber (4), the first air outlet (5) is of a reverse convex structure with a wide upper part and a narrow lower part, the narrow lower end of the first air outlet (5) is communicated with the outer end of the upper moving plate (3), and the second air outlet (13) is of a positive convex structure with a narrow upper part and a wide lower part.
4. A fabric breathability detection device according to claim 3, wherein said driving mechanism comprises:
the driving cylinder (37), the first inner end sliding chute (15) and the first outer end sliding chute (16), wherein the driving cylinder (37) is welded in the second cavity, the output end of the driving cylinder (37) is fixedly connected with the side end moving block (9), and the first inner end sliding chute (15) and the first outer end sliding chute (16) are respectively arranged at the inner end and the outer end of the second air outlet (13);
The air conditioner comprises a first inner end magnetic block (17), a first outer end magnetic block (18) and a first sliding block (19), wherein the first inner end magnetic block (17) and the first outer end magnetic block (18) are respectively sleeved in a first inner end sliding groove (15) and a first outer end sliding groove (16) in a sliding manner, the first sliding block (19) is sleeved at the upper narrow end of a second air outlet (13) in a sliding manner, and the first sliding block (19) is fixedly connected with the first inner end magnetic block (17);
The device comprises a first inner end sliding groove (20), a first outer end sliding groove (21), a first outer end magnetic block (22), a first outer end magnetic block (23) and a first sliding block (24), wherein the first inner end sliding groove (20) and the first outer end sliding groove (21) are respectively arranged at the inner end and the outer end of a first air outlet (5), the first inner end sliding groove (20) and the first outer end sliding groove (21) are respectively sleeved with the first inner end magnetic block (22) and the second outer end magnetic block (23) in a sliding way, the first outer end magnetic block (18) is fixedly connected with the second outer end magnetic block (23) through a connecting plate, and the first sliding block (24) is fixedly connected with the first inner end magnetic block (22);
The rotary gear (34), the first rack (35) and the second rack (36), the rotary gear (34) is rotatably arranged in the first cavity, the first rack (35) and the second rack (36) are both sleeved in the first cavity in a sliding mode, and the first rack (35) and the second rack (36) are both meshed with the rotary gear (34).
5. The textile fabric ventilation property detection device according to claim 4, wherein the first inner end magnetic block (17) and the second inner end magnetic block (22) are respectively attracted to the opposite poles of the first outer end magnetic block (18) and the second outer end magnetic block (23), the first rack (35) and the second rack (36) are respectively fixedly connected with the pushing block (8) and the U-shaped movable block (7), and the U-shaped movable block (7) is fixedly connected with the connecting plate.
6. A method of testing a textile fabric breathability test device according to any one of claims 1 to 5, wherein said method of testing comprises the steps of:
Step S1: firstly, clamping holes at four corners of cloth are respectively sleeved on four limiting rods (33), a leveling plate (27) scrapes and levels the cloth, and a deflection rod (31) drives a placing plate (32) to extend outwards so as to pull the straightened cloth;
Step S2: then, the upper moving plate (3) is propped against the lower fixed plate (2), the gas transmission pump (12) is started, gas enters the gas storage chamber (4) and flows out from the lower narrow end of the first gas outlet (5), and at the moment, the gas flow at the first gas outlet (5) of the cloth is detected by the first gas flow detector (6);
Step S3: when the small area of the cloth is required to be pulled, the driving cylinder (37) drives the side end moving block (9) to move upwards so as to jack up partial cloth, and the side end moving block (9) jacks up the pushing block (8) to move upwards, so that the cloth at the two ends of the side end moving block (9) is pulled downwards by the U-shaped movable block (7), and the two side end air outlets (10) and the two second air flow detectors (11) respectively prop against the cloth at the two sides of the side end moving block (9);
Step S4: simultaneously, the first sliding block (19) and the second sliding block (24) move downwards together, the first sliding block (19) moves downwards to the lower wide end of the second air outlet (13), the second sliding block (24) moves downwards to be propped against the lower narrow end of the first air outlet (5), the second air outlet (13) is opened, the first air outlet (5) is closed, so that air flows from the telescopic bellows (14) to the side air outlet (10), and at the moment, the cloth air flow on two sides of the side air outlet moving block (9) is detected through the two second air flow detectors (11).
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