CN113373710A - Polyester fabric dyeing method based on negative pressure flash explosion - Google Patents
Polyester fabric dyeing method based on negative pressure flash explosion Download PDFInfo
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- CN113373710A CN113373710A CN202110718480.5A CN202110718480A CN113373710A CN 113373710 A CN113373710 A CN 113373710A CN 202110718480 A CN202110718480 A CN 202110718480A CN 113373710 A CN113373710 A CN 113373710A
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- Prior art keywords
- polyester fabric
- fixing
- fixing device
- negative pressure
- outer walls
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2022—Textile treatments at reduced pression, i.e. lower than 1 atm
- D06P5/2038—Textile treatments at reduced pression, i.e. lower than 1 atm after dyeing
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a polyester fabric dyeing method based on negative pressure flash explosion, wherein the polyester fabric is fixed by a fixing device, the fixing device comprises two fixing frames with regular hexagon structures, two supporting legs are respectively connected to the outer walls of two sides of the bottoms of the two fixing frames through bolts, anti-skid pads are respectively and fixedly connected to the outer walls of the bottoms of the four supporting legs, anti-skid protrusions distributed at equal intervals are respectively arranged on the outer walls of the bottoms of the four anti-skid pads, and connecting rods distributed at equal intervals are welded to the outer wall of one side, opposite to the two fixing frames, of each fixing frame. According to the invention, the polyester fabric is wound on the fixing device and clamped by the fixing clamp, so that the fixing and taking-off are convenient, and meanwhile, the polyester fabric does not need to be taken off for many times in the whole dyeing process, so that a large amount of time is saved, the working efficiency is improved, and when the polyester fabric is transferred, only the fixing device needs to be moved, so that the secondary pollution to the polyester fabric can be avoided, and the yield is improved.
Description
Technical Field
The invention relates to the technical field of fabric dyeing, in particular to a polyester fabric dyeing method based on negative pressure flash explosion.
Background
Polyester fibers, commonly known as "dacron". The PET fiber is a synthetic fiber obtained by spinning polyester formed by polycondensation of organic dibasic acid and dihydric alcohol, and belongs to a high molecular compound. It is firm and durable, has the functions of resisting wrinkle, preventing ironing and preventing hair from sticking.
Because most fibers in the traditional textile are of hollow net structures and the surfaces of articles are provided with grooves and the like, when the product is subjected to soaking, spraying treatment and surface spraying treatment of a plurality of products, a tiny air film can be formed at the positions of the grooves in the gaps under the condition of liquid surface tension, the surface coating is uneven, micropores and surface unevenness can be formed during drying, and the bonding fastness of dyeing and finishing and coating articles needing to be loaded on the product is reduced.
Based on prior art, when utilizing negative pressure flash explosion to dye dacron, do not set up fixing device, lead to the cloth when shifting, need the manual work fabric of taking, cause secondary pollution to dacron easily, need take off and installation operation many times simultaneously, lead to work efficiency low.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a polyester fabric dyeing method based on negative pressure flash explosion.
The invention provides a polyester fabric dyeing method based on negative pressure flash explosion, wherein the polyester fabric is fixed by a fixing device, the fixing device comprises two fixing frames with regular hexagon structures, two supporting legs are connected on the outer walls of two sides of the bottoms of the two fixing frames through bolts, the outer walls of the bottoms of the four supporting legs are fixedly connected with non-slip pads, the outer walls of the bottoms of the four non-slip pads are respectively provided with non-slip bulges which are distributed at equal intervals, the outer wall of one side of each of the two fixing frames, which is opposite to the other side, is welded with connecting rods which are distributed at equal intervals, the inner walls of the two fixing frames are welded with connecting blocks, the outer wall of one side of each of the two connecting blocks is welded with supporting blocks which are distributed at equal intervals, the outer wall of the center of one side of each of the two connecting blocks is connected with a supporting rod through a bearing, and a side plate is welded on the outer wall of one side of the supporting rod, and one side of the side plate is in sliding fit with the supporting block.
The polyester fabric dyeing method comprises the following steps:
s1: winding the polyester fabric on a fixing device, enabling a connecting rod to support the fabric, clamping two ends of the connecting rod by using a fixing clamp, and performing early-stage pretreatment after the fixing is finished to remove impurities such as dust, thread ends and the like on the polyester fabric;
s2: comprehensively cleaning the polyester fabric, removing static electricity and dust in gaps of the polyester fabric, and drying after cleaning;
s3: taking down the four support legs to enable one side plate to contact the ground, rotating the fixing device at a constant speed, and uniformly spraying a coloring agent on the surface of the polyester fabric;
s4: putting the treated polyester fabric and the fixing device into negative pressure flash explosion equipment, closing the cabin door, starting a vacuum pump, vacuumizing the cabin, stopping vacuumizing when the pressure is in a certain interval, opening an air inlet valve of the cabin door to allow outside air to enter the cabin, and repeating the operation for 2-4 times when the pressure in the cabin is the same as the pressure in the outside atmosphere;
s5: and opening the cabin door, taking out the fixing device when the pressure in the cabin is the same as the external atmospheric pressure, so that one side plate contacts the ground, and drying while rotating the fixing device.
Preferably, the drying temperature in the step S2 is 30-40 ℃, and the drying time is 1-1.5 h.
Preferably, the pressure interval in the step S4 is-0.55 to-0.1 MPa.
Preferably, the drying temperature in the step S5 is 40-50 ℃, and the drying time is 1-2 h.
According to the invention, the polyester fabric is wound on the fixing device and clamped by the fixing clamp, so that the fixing and taking-off are convenient, and meanwhile, the polyester fabric does not need to be taken off for many times in the whole dyeing process, so that a large amount of time is saved, the working efficiency is improved, when the polyester fabric is transferred, only the fixing device needs to be moved, the secondary pollution to the polyester fabric can be avoided, and the yield is improved.
Drawings
Fig. 1 is a schematic structural diagram of a polyester fabric fixing device based on negative pressure flash explosion.
In the figure: 1 fixed frame, 2 supporting legs, 3 connecting rods, 4 connecting blocks, 5 supporting blocks, 6 supporting rods, 7 side plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1, referring to fig. 1, a method for dyeing polyester fabric based on negative pressure flash explosion, the polyester fabric is fixed by a fixing device, the fixing device comprises two fixing frames 1 with regular hexagonal structure, two supporting legs 2 are respectively connected to the outer walls of two sides of the bottom of the two fixing frames 1 through bolts, anti-skid pads are respectively fixedly connected to the outer walls of the bottoms of the four supporting legs 2, anti-skid protrusions are respectively arranged on the outer walls of the bottom ends of the four anti-skid pads at equal intervals, connecting rods 3 are welded on the outer walls of two opposite sides of the fixing frames 1 at equal intervals, connecting blocks 4 are welded on the inner walls of the two fixing frames 1, supporting blocks 5 are welded on the outer walls of one sides of the two connecting blocks 4 at equal intervals, a supporting rod 6 is connected to the outer wall of the center of one side of the two connecting blocks 4 through a bearing, and a side plate 7 is welded on the outer wall of one side of the supporting rod 6, one side of the side plate 7 is in sliding fit with the supporting block 5.
The polyester fabric dyeing method comprises the following steps:
s1: winding the polyester fabric on a fixing device, enabling a connecting rod to support the fabric, clamping two ends of the connecting rod by using a fixing clamp, and performing early-stage pretreatment after the fixing is finished to remove impurities such as dust, thread ends and the like on the polyester fabric;
s2: comprehensively cleaning the polyester fabric, removing static electricity and dust in gaps of the polyester fabric, and drying after cleaning, wherein the drying temperature in the step S2 is 30-40 ℃, and the drying time is 1-1.5 h;
s3: taking down the four support legs to enable one side plate to contact the ground, rotating the fixing device at a constant speed, and uniformly spraying a coloring agent on the surface of the polyester fabric;
s4: putting the treated polyester fabric and the fixing device into negative pressure flash explosion equipment integrally, closing the cabin door, starting a vacuum pump, vacuumizing the cabin, stopping vacuumizing when the pressure is in a certain interval, opening an air inlet valve of the cabin door, allowing outside air to enter the cabin, and repeating the operation for 2-4 times when the pressure in the cabin is the same as the pressure in the outside atmosphere, wherein the pressure interval in the step S4 is-0.55 to-0.1 MPa;
s5: and opening the cabin door, taking out the fixing device when the pressure in the cabin is the same as the external atmospheric pressure, enabling one side plate to contact the ground, and drying while rotating the fixing device, wherein the drying temperature in the step S5 is 40-50 ℃, and the drying time is 1-2 h.
Winding dacron on fixing device to utilize the fixation clamp to carry out the centre gripping, carry out deashing, washing, stoving, dyeing and finishing, negative pressure flash explosion and drying process according to the dyeing step in proper order, can save a large amount of time, when shifting dacron, only need remove fixing device can, can avoid causing secondary pollution to dacron.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A polyester fabric dyeing method based on negative pressure flash explosion is characterized in that the fixing device comprises two fixing frames (1) with regular hexagonal structures, two supporting legs (2) are respectively connected to the outer walls of two sides of the bottom of the two fixing frames (1) through bolts, anti-skid pads are respectively fixedly connected to the outer walls of the bottoms of the four supporting legs (2), anti-skid protrusions distributed at equal intervals are respectively arranged on the outer walls of the bottoms of the four anti-skid pads, connecting rods (3) distributed at equal intervals are welded to the outer walls of the two opposite sides of the two fixing frames (1), connecting blocks (4) are welded to the inner walls of the two fixing frames (1), supporting blocks (5) distributed at equal intervals are respectively welded to the outer walls of one sides of the two connecting blocks (4), and supporting rods (6) are connected to the outer wall of the center of one side of the two connecting blocks (4) through bearings, and a side plate (7) is welded on the outer wall of one side of the support rod (6), and one side of the side plate (7) is in sliding fit with the support block (5).
The polyester fabric dyeing method comprises the following steps:
s1: winding the polyester fabric on a fixing device, enabling a connecting rod to support the fabric, clamping two ends of the connecting rod by using a fixing clamp, and performing early-stage pretreatment after the fixing is finished to remove impurities such as dust, thread ends and the like on the polyester fabric;
s2: comprehensively cleaning the polyester fabric, removing static electricity and dust in gaps of the polyester fabric, and drying after cleaning;
s3: taking down the four support legs to enable one side plate to contact the ground, rotating the fixing device at a constant speed, and uniformly spraying a coloring agent on the surface of the polyester fabric;
s4: putting the treated polyester fabric and the fixing device into negative pressure flash explosion equipment, closing the cabin door, starting a vacuum pump, vacuumizing the cabin, stopping vacuumizing when the pressure is in a certain interval, opening an air inlet valve of the cabin door to allow outside air to enter the cabin, and repeating the operation for 2-4 times when the pressure in the cabin is the same as the pressure in the outside atmosphere;
s5: and opening the cabin door, taking out the fixing device when the pressure in the cabin is the same as the external atmospheric pressure, so that one side plate contacts the ground, and drying while rotating the fixing device.
2. The polyester fabric dyeing method based on negative pressure flash explosion according to claim 1, wherein the drying temperature in the step S2 is 30-40 ℃, and the drying time is 1-1.5 h.
3. The polyester fabric dyeing method based on negative pressure flash explosion is characterized in that the pressure interval in the step S4 is-0.55 to-0.1 MPa.
4. The polyester fabric dyeing method based on negative pressure flash explosion according to claim 1, wherein the drying temperature in the step S5 is 40-50 ℃, and the drying time is 1-2 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110718480.5A CN113373710A (en) | 2021-06-28 | 2021-06-28 | Polyester fabric dyeing method based on negative pressure flash explosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110718480.5A CN113373710A (en) | 2021-06-28 | 2021-06-28 | Polyester fabric dyeing method based on negative pressure flash explosion |
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| Publication Number | Publication Date |
|---|---|
| CN113373710A true CN113373710A (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110718480.5A Pending CN113373710A (en) | 2021-06-28 | 2021-06-28 | Polyester fabric dyeing method based on negative pressure flash explosion |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031682A (en) * | 2012-12-27 | 2013-04-10 | 紫罗兰家纺科技股份有限公司 | Negative pressure flash explosion process and equipment |
| CN105332194A (en) * | 2015-10-26 | 2016-02-17 | 苏州市职业大学 | Real silk art silk manufacturing equipment capable of coloring on full spectrum section and manufacturing method |
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2021
- 2021-06-28 CN CN202110718480.5A patent/CN113373710A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031682A (en) * | 2012-12-27 | 2013-04-10 | 紫罗兰家纺科技股份有限公司 | Negative pressure flash explosion process and equipment |
| CN105332194A (en) * | 2015-10-26 | 2016-02-17 | 苏州市职业大学 | Real silk art silk manufacturing equipment capable of coloring on full spectrum section and manufacturing method |
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Application publication date: 20210910 |