CN114892362B

CN114892362B - Dyeing method for non-woven fabric production

Info

Publication number: CN114892362B
Application number: CN202210542814.2A
Authority: CN
Inventors: 王仁俊
Original assignee: Zhanjiang Dazhong Textile Co ltd
Current assignee: Zhanjiang Dazhong Textile Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-09-08
Anticipated expiration: 2042-05-18
Also published as: CN114892362A

Abstract

The invention discloses a non-woven fabric production dyeing method in the technical field of non-woven fabric production, wherein a spin-drying device used in the method comprises a transmission shaft, two ends of the transmission shaft are rotatably provided with fixed plates, one side of the fixed plate, which is far away from the transmission shaft, is fixedly provided with a driving motor, an output shaft of the driving motor is fixedly connected with the transmission shaft, the center of the transmission shaft is fixedly provided with a scroll, the transmission shaft is provided with two sliding grooves, and sliding blocks are movably arranged in the sliding grooves; according to the invention, through the arrangement of the spin-drying device, moisture existing in thicker non-woven fabrics can be rapidly thrown out, a traditional draining working mode is replaced, the production process of the non-woven fabrics is improved, the production efficiency of the non-woven fabrics is improved, the non-woven fabrics can be rapidly produced under the condition of urgent production, and the economic benefit of factories is improved.

Description

Dyeing method for non-woven fabric production

Technical Field

The invention relates to the technical field of non-woven fabric production, in particular to a non-woven fabric production dyeing method.

Background

Nonwoven fabrics, also known as nonwovens, needled cotton, and the like, are composed of oriented or random fibers. The non-woven fabric is called cloth because of the appearance and certain properties of the cloth, and has the characteristics of moisture resistance, ventilation, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity and irritation, rich color, low price, recycling and the like. Most of the materials are prepared by adopting polypropylene pp material granules as raw materials through a continuous one-step method of high-temperature melting, spinning, wire laying, hot-pressing coiling. The non-woven fabric product has rich color, bright and beautiful appearance, fashion, environmental protection, wide application, beautiful and elegant appearance, various patterns and styles, light weight, environmental protection and recycling, and is internationally recognized as an environmental protection product for protecting the ecology of the earth.

In the prior art, some technical schemes related to a non-woven fabric production dyeing process also appear, such as a Chinese patent with the application number of CN113201880A, the patent discloses a non-woven fabric production dyeing process, a scraping plate is used for primarily scraping and draining the non-woven fabric, so that liquid contained in the non-woven fabric is greatly reduced, and then the liquid contained in the non-woven fabric is sucked through a sponge block, wherein the sponge block is arranged on the outer surface of a conveying belt, so that the sponge block can be contacted with the non-woven fabric for a longer time, the suction effect of the sponge block is better, and meanwhile, the sponge block is in extrusion contact with the non-woven fabric through an extrusion mechanism, so that the contact is tighter, and the water absorption effect of the sponge block is facilitated; this patent drips through the mode that the sponge absorbed water, wastes time and energy, can't easily absorb its inside moisture to thicker non-woven fabrics, and can't improve speed when meetting emergency urgent production to influence actual production efficiency.

Based on the above, the invention designs a non-woven fabric production dyeing method to solve the above problems.

Disclosure of Invention

The invention aims to provide a non-woven fabric production dyeing method, which aims to solve the problems that in the background technology, thicker non-woven fabrics cannot easily absorb water in the non-woven fabrics, and the speed cannot be increased when emergency production is encountered, so that the actual production efficiency is affected.

In order to achieve the above purpose, the present invention provides the following technical solutions: a method for dyeing non-woven fabrics, comprising the following steps:

s1: placing the dyeing agent and the non-woven fabric into a dyeing jar, stirring the non-woven fabric, and keeping for 6-7min;

s2: taking the non-woven fabric dyed in the step S2 out of a dyeing cylinder, and draining the dyeing agent on the non-woven fabric;

s3: washing the non-woven fabric drained in the step S2, and spin-drying the non-woven fabric through a spin-drying device to obtain a non-woven fabric finished product;

the spin-drying device used in the S3 comprises a transmission shaft, wherein fixing plates are rotatably arranged at two ends of the transmission shaft, one fixing plate is fixed with a driving motor on one side, away from the transmission shaft, of the fixing plate, an output shaft of the driving motor is fixedly connected with the transmission shaft, a reel is fixed at the center of the transmission shaft, two sliding grooves are formed in the transmission shaft, sliding blocks are movably arranged in the sliding grooves, pressing blocks are fixed between the sliding blocks, rectangular holes are formed in the side walls of the sliding blocks, threaded holes are formed in two ends of the reel, limit bolts are connected in threaded holes, a protective cover is fixed between the fixing plates, a controller is arranged on the fixing plate and used for controlling the spin-drying device to work, and a smoothing structure is fixed at the bottom end of the fixing plate and used for smoothing non-woven fabrics.

The straightening mechanism comprises a support, wherein L-shaped supports are fixed at the bottom ends of the fixing plates, worm and gear speed reducers are fixed at one ends, far away from the adjacent fixing plates, of the supports, a first synchronous pulley is fixed at an output shaft of the worm and gear speed reducers, two second synchronous pulleys are fixed on a transmission shaft, a first synchronous belt is arranged between the first synchronous pulley and the second synchronous pulley on the same side, rectangular rings are fixed on two input shafts of the worm and gear speed reducers, L-shaped mounting frames are symmetrically fixed on side walls of the fixing plates, scraping plates are installed at one ends, far away from the corresponding fixing plates, of the mounting frames, round platforms are arranged at one ends, close to the adjacent rectangular rings, of the scraping plates, and the round platforms are located in the rectangular rings.

The scraper blade divide into a board and No. two boards, a board and No. two boards are articulated the connection, no. one the board is close to No. two boards department and is equipped with an electro-magnet, no. two boards are close to No. one board department and are equipped with the iron plate, be equipped with reset spring between No. one the board and No. two boards.

The bottom of the protective cover is provided with an inductor, one of the protective cover, which is positioned on the same side, is provided with a second electromagnet, the scraping plate is made of iron metal materials, the first plate and the second plate are L-shaped, and the reset spring is positioned at the junction of the first plate and the second plate.

The mounting bracket is close to the fixture block that one end of scraper blade was equipped with the C font, fixture block inside wall symmetry is equipped with two air cylinders, no. two boards are cavity structure, the bottom of No. two boards is equipped with the orifice more than two, be equipped with the trachea between air cylinder and the adjacent No. two boards, the lateral wall of air cylinder, the tracheal interior check valve that all is equipped with.

One side that adjacent worm gear speed reducer was kept away from to synchronous pulley No. one is equipped with No. three synchronous pulleys, the support bottom is equipped with the rectangular plate, rotate on the rectangular plate lateral wall and install the pivot, pivot fixed surface has No. four synchronous pulleys, be equipped with No. two hold-in ranges between No. three synchronous pulleys and No. four synchronous pulleys, the one end that the rectangular plate was kept away from to the pivot is equipped with the strip of drawing more than two along its circumference.

The drawing strip is soft, and a first spring is arranged inside the drawing strip.

The length of the second plate is 3-5 times of that of the first plate, and the rotating point of the scraping plate is positioned at the fifth equally dividing point of the scraping plate;

compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the spin-drying device, moisture existing in thicker non-woven fabrics can be rapidly thrown out, a traditional draining working mode is replaced, the production process of the non-woven fabrics is improved, the production efficiency of the non-woven fabrics is improved, the non-woven fabrics can be rapidly produced under the condition of urgent production, and the economic benefit of factories is improved.

2. According to the invention, the scrapping plate and the accessory parts are arranged to interfere the winding process of the non-woven fabric, so that the winding of the non-woven fabric is smoother, the problem of deviation cannot occur in the winding of the non-woven fabric, and the subsequent spin-drying process can be ensured to be normally carried out.

3. According to the invention, the non-woven fabric is pretreated through the arrangement of the air cylinders and the drawing bars, so that the cloth of the non-woven fabric is stretched more, the drying speed of the non-woven fabric is improved, and the final spin-drying of the non-woven fabric is promoted.

Drawings

FIG. 1 is a flow chart of the method of the present invention;

FIG. 2 is a three-dimensional view of a spin-drying apparatus used in the present invention;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

FIG. 4 is an enlarged schematic view at B in FIG. 2;

FIG. 5 is a schematic view of a partial structure of the present invention;

FIG. 6 is an enlarged schematic view of FIG. 5 at C;

FIG. 7 is a schematic view of the positional relationship of a rectangular ring and a squeegee;

FIG. 8 is a schematic diagram of the positional relationship of a first plate and a second plate;

in the drawings, the list of components represented by the various numbers is as follows:

the device comprises a transmission shaft 1, a fixed plate 2, a driving motor 3, a reel 4, a sliding block 5, a pressing block 6, a rectangular hole 7, a limit bolt 8, a protective cover 9, a support 10, a worm gear reducer 11, a first synchronous pulley 12, a second synchronous pulley 13, a first synchronous belt 14, a rectangular ring 15, a mounting frame 16, a scraping plate 17, a round table 18, a first plate 19, a second plate 20, a first electromagnet 21, an iron block 22, a reset spring 23, a second electromagnet 24, a clamping block 25, an air cylinder 26, a third synchronous pulley 27, a rotating shaft 28, a fourth synchronous pulley 29, a second synchronous belt 30 and a drawing bar 31.

Detailed Description

Referring to fig. 1-8, the present invention provides a technical solution: a method for dyeing non-woven fabrics, comprising the following steps:

s1: placing the dyeing agent and the non-woven fabric into a dyeing cylinder, stirring the non-woven fabric, and keeping for 6-7min, wherein the dyeing process is to finish the dyeing of the non-woven fabric;

s2: taking the non-woven fabric dyed in the step S2 out of a dyeing cylinder, and draining the dyeing agent on the non-woven fabric, wherein the process completes fixation of the non-woven fabric;

the spin-drying device used in the S3 comprises a transmission shaft 1, fixing plates 2 are rotatably arranged at two ends of the transmission shaft 1, one fixing plate 2 is fixed with a driving motor 3 on one side away from the transmission shaft 1, an output shaft of the driving motor 3 is fixedly connected with the transmission shaft 1, a scroll 4 is fixed at the center of the transmission shaft 1, two sliding grooves are formed in the transmission shaft 1, a sliding block 5 is movably arranged in each sliding groove, a pressing block 6 is fixed between the two sliding blocks 5, rectangular holes 7 are formed in the side walls of the sliding blocks 5, threaded holes are formed in two ends of the scroll 4, limit bolts 8 are connected in the threaded holes in a threaded mode, 9 are fixed between the two fixing plates 2, a controller is arranged on the fixing plates 2 and used for controlling the spin-drying device to work, and a smoothing structure is fixed at the bottom end of the fixing plate 2 and used for smoothing non-woven fabrics.

During operation, the two fixing plates 2 are fixedly arranged above the water tank, so that the spin-drying device is fixed. When the spin-drying device is used, one end of the non-woven fabric to be spin-dried is fished out of the water tank, and one end of the non-woven fabric passes through the pressing block 6. After one end of the non-woven fabric passes through the pressing block 6, the pressing block 6 is pressed down, so that one end of the non-woven fabric is pressed on the surface of the scroll 4 by the pressing block 6, and then the sliding block 5 is locked by the limit bolt 8. After the non-woven fabric is pressed, the driving motor 3 is started, so that the driving motor 3 drives the transmission shaft 1 to rotate, and the scroll 4 rotates. The rotating reel 4 winds the nonwoven on its surface so that the nonwoven is lifted from the pool. The rotation speed of the driving motor 3 is increased when the single nonwoven fabric is completely wound on the surface of the reel 4, so that the nonwoven fabric rotates at a high speed on the surface of the reel 4. The non-woven fabric and the water attached to the non-woven fabric generate larger centrifugal force in the process of rotating at high speed, so that the water is rapidly thrown out under the action of the centrifugal force. The thrown water drops splash to 9 positions and drop into the water pool along 9 positions. According to the invention, through the arrangement of the spin-drying device, moisture existing in thicker non-woven fabrics can be rapidly thrown out, a traditional draining working mode is replaced, the production process of the non-woven fabrics is improved, the production efficiency of the non-woven fabrics is improved, the non-woven fabrics can be rapidly produced under the condition of urgent production, and the economic benefit of factories is improved.

As a further scheme of the invention, the flattening mechanism comprises a bracket 10, the bottom ends of two fixing plates 2 are respectively fixed with an L-shaped bracket 10, one end of each bracket 10 far away from the adjacent fixing plate 2 is respectively fixed with a worm gear reducer 11, an output shaft of each worm gear reducer 11 is fixedly provided with a first synchronous pulley 12, two second synchronous pulleys 13 are fixed on the transmission shaft 1, a first synchronous belt 14 is fixed between the first synchronous pulleys 12 and the second synchronous pulleys 13 on the same side, two input shafts of each worm gear reducer 11 are respectively fixed with a rectangular ring 15, side walls of the fixing plates 2 are symmetrically fixed with L-shaped mounting frames 16, one end of each mounting frame 16 far away from the corresponding fixing plate 2 is rotatably provided with a scraping plate 17, one end of each scraping plate 17 near the adjacent rectangular ring 15 is fixedly provided with a round table 18, and the round table 18 is positioned in the rectangular ring 15; during operation, because the non-woven fabrics are placed in the water tank in disorder, the non-woven fabrics can be overlapped or wound when being wound, and therefore the final water throwing efficiency is affected. Through being provided with the hold-in range 14, drive hold-in range 14 rotation in transmission shaft 1 pivoted in-process, make rectangular ring 15 rotate after the diversion of rethread worm gear reducer 11 to make rectangular ring 15 drive scraper blade 17 and do reciprocating type stirring along its rotation point. Contact is produced with the non-woven fabrics in the process that scraper 17 stirred, smooths the surface of non-woven fabrics when meetting the non-woven fabrics and having folding or fold condition to make the non-woven fabrics can be level by the winding at spool 4 surface, and then guaranteed spin-drying device's normal use.

As a further scheme of the invention, the scraping plate 17 is divided into a first plate 19 and a second plate 20, the first plate 19 and the second plate 20 are in hinged connection, an electromagnet 21 is fixed at the position, close to the second plate 20, of the first plate 19, an iron block 22 is fixed at the position, close to the first plate 19, of the second plate 20, and a reset spring 23 is fixed between the first plate 19 and the second plate 20; in operation, the downward stirring process of the scraping plate 17 is effective stirring, and the upward stirring process of the scraping plate 17 may have adverse effects on the non-woven fabric. Through being provided with electromagnet 21, when scraper 17 is stirred upwards electromagnet 21 starts, and electromagnet 21 produces the suction to iron plate 22 and makes iron plate 22 by the attraction, and the suction drives iron plate 22 and No. two boards 20 and produces the rotation along the pin joint of No. two boards 20 to make No. two boards 20 and non-woven fabrics take off. The separation of the second plate 20 and the non-woven fabric makes the second plate 20 not interfere with the non-woven fabric in the upward stirring process, and when the second plate 20 is downwards stirred, the first electromagnet 21 is powered off, so that the second plate 20 returns to the initial position under the action of the reset spring 23, the second plate 20 can effectively smooth the non-woven fabric, and the normal operation of the spin-drying device is ensured.

As a further scheme of the invention, an inductor is fixed at the bottom of the 9, a second electromagnet 24 is fixed on one of the scraping plates 17 positioned at the same side, the scraping plates 17 are made of ferrous metal materials, the first plate 19 and the second plate 20 are both L-shaped, and the return spring 23 is positioned at the junction of the first plate and the second plate; during operation, the non-woven fabric is pulled out of the water tank in an indefinite position, so that the non-woven fabric may deviate in position during winding, i.e. skew occurs during winding, which may cause the non-woven fabric to exceed the winding range. Through being provided with the inductor, set up the inductor on 9 both sides, be perceived by the inductor after the non-woven fabrics exceeds normal winding scope, the controller is given with the signal transmission that obtains to the inductor, makes No. two electro-magnet 24 work under the control of controller, no. two electro-magnet 24 produces suction to adjacent No. two boards 20 to make No. two boards 20 of non-woven fabrics both sides attract each other. The two plates 20 attract each other to clamp the non-woven fabric, and the non-woven fabric is pulled in the process of poking the plates 20, so that the non-woven fabric is pulled back to the normal position. The position of the non-woven fabric is adjusted by clamping the second plate 20, so that the problem of winding failure caused by huge deviation of the non-woven fabric is avoided, and the normal operation of equipment is ensured.

As a further scheme of the invention, a C-shaped clamping block 25 is fixed at one end of the mounting frame 16 near the scraper 17, two air cylinders 26 are symmetrically fixed on the inner side wall of the clamping block 25, the second plate 20 is of a cavity structure, more than two spray holes are fixed at the bottom end of the second plate 20, an air pipe is fixed between the air cylinders 26 and the adjacent second plate 20, and one-way valves are fixed on the side wall of the air cylinder 26 and in the air pipe; when the scraper 17 is in operation, the scraper 17 is pushed to the inflator 26 in the reciprocating stirring process by the inflator 26, so that the gas in the inflator 26 is extruded to the spray hole of the second plate 20 and is sprayed out from the spray hole. The gas sprayed from the spray hole directly contacts with the surface of the non-woven fabric, so that the surface of the non-woven fabric swings, the folded non-woven fabric can be opened in the swinging process, and a small amount of water in the non-woven fabric is thrown out in the swinging process. In addition, the air sprayed out of the spray holes can improve the flow speed of air at the non-woven fabric, so that the drying speed of the non-woven fabric is improved.

As a further scheme of the invention, a third synchronous pulley 27 is fixed on one side of the first synchronous pulley 12 far away from the adjacent worm gear reducer 11, a rectangular plate is fixed at the bottom end of the bracket 10, a rotating shaft 28 is rotatably arranged on the side wall of the rectangular plate, a fourth synchronous pulley 29 is fixed on the surface of the rotating shaft 28, a second synchronous belt 30 is fixed between the third synchronous pulley 27 and the fourth synchronous pulley 29, and more than two drawing bars 31 are fixed on one end of the rotating shaft 28 far away from the rectangular plate along the circumferential direction of the rotating shaft; during operation, the second synchronous belt 30 is driven by the worm gear reducer 11 to rotate the second synchronous belt 30, so that the rotating shaft 28 and the drawing bar 31 rotate. The rotation of the draw bar 31 draws the surface of the nonwoven fabric, so that the nonwoven fabric generates a large vibration. The non-woven fabrics are shaken out by the moisture in the process of being whipped, and the folding parts of the non-woven fabrics can be separated, so that the winding problem of the non-woven fabrics is solved, and the spin-drying efficiency is improved to a certain extent.

As a further scheme of the invention, the drawing bar 31 is soft, and a first spring is fixed inside the drawing bar 31; when the novel non-woven fabric drawing device works, the drawing strip 31 is soft, so that the drawing strip 31 cannot hurt the non-woven fabric, and the non-woven fabric is prevented from being broken in the drawing process. Meanwhile, the spring is arranged in the drawing bar 31, so that the drawing bar 31 generates certain vibration in the drawing process, and the drawing bar 31 can generate certain vibration on the surface of the non-woven fabric while contacting with the non-woven fabric. The vibrating drawing bar 31 increases the swing amplitude of the non-woven fabric when contacting the non-woven fabric, thereby improving the unfolding efficiency of the non-woven fabric and the dehydration efficiency of the non-woven fabric.

As a further scheme of the invention, the length of the second plate 20 is 3-5 times of the length of the first plate 19, and the rotation point of the scraping plate 17 is positioned at the fifth equally dividing point of the scraping plate 17; during operation, the longer effective stirring of No. two boards 20 to the non-woven fabrics has been guaranteed to No. two boards 20 length, has also improved the application range of this equipment, also can use to narrower non-woven fabrics. In addition, the limitation of the rotation point enables the stirring range of the scraper 17 to be controlled, and the phenomenon that the stirring range of the scraper 17 is too large to strike other parts of the equipment is avoided, so that the normal operation of the equipment is ensured.

Claims

1. A non-woven fabric production dyeing method is characterized in that: the method comprises the following steps:

s2: taking the non-woven fabric dyed in the step S1 out of a dyeing cylinder, and draining the dyeing agent on the non-woven fabric;

wherein, spin-drying device that uses in S3 includes transmission shaft (1), fixed plate (2) are installed in the both ends rotation of transmission shaft (1), one of them fixed plate (2) are kept away from one side of transmission shaft (1) and are fixed with driving motor (3), driving motor (3)' S output shaft and transmission shaft (1) fixed connection, the center of transmission shaft (1) is fixed with spool (4), be equipped with two spouts on transmission shaft (1), movable mounting has slider (5) in the spout, two be fixed with briquetting (6) between slider (5), slider (5) lateral wall is equipped with rectangular hole (7), the both ends of spool (4) all are equipped with screw hole, screw hole threaded connection has spacing bolt (8), two be fixed with protection casing (9) between fixed plate (2), be equipped with the controller on fixed plate (2), the controller is used for controlling the device work that spin-dries, the bottom of fixed plate (2) is fixed with smooth out the structure, smooth out the mechanism is used for smoothing out the non-woven fabrics.

2. The method for dyeing non-woven fabric according to claim 1, wherein: the utility model provides a smooth out plane mechanism includes support (10), two the bottom of fixed plate (2) all is fixed with support (10) of L shape, the one end that adjacent fixed plate (2) was kept away from to support (10) all is fixed with worm gear reducer (11), the output shaft department of worm gear reducer (11) is fixed with synchronous pulley (12) No. one, be fixed with synchronous pulley (13) No. two on transmission shaft (1), be equipped with synchronous belt (14) No. one between synchronous pulley (12) and synchronous pulley (13) of homonymy, two input shafts of worm gear reducer (11) all are fixed with rectangular ring (15), the symmetry is fixed with mounting bracket (16) of L shape on the lateral wall of fixed plate (2), one end rotation that corresponds fixed plate (2) is kept away from to mounting bracket (16) is installed scraper blade (17), one end that scraper blade (17) are close to adjacent rectangular ring (15) is equipped with round platform (18), round platform (18) are located rectangular ring (15).

3. The method for dyeing non-woven fabric according to claim 2, wherein: the scraper blade (17) divide into a board (19) and No. two boards (20), no. one board (19) and No. two boards (20) are articulated to be connected, no. one board (19) are close to No. two boards (20) department and are equipped with an electro-magnet (21), no. two boards (20) are close to No. one board (19) department and are equipped with iron plate (22), be equipped with reset spring (23) between No. one board (19) and No. two boards (20).

4. A method of dyeing nonwoven fabric according to claim 3, wherein: the bottom of the protective cover (9) is provided with an inductor, one of the scraping plates (17) positioned on the same side is provided with a second electromagnet (24), the scraping plates (17) are made of iron metal materials, the first plate (19) and the second plate (20) are L-shaped, and the reset spring (23) is positioned at the junction of the first plate and the second plate.

5. The method for dyeing non-woven fabric according to claim 4, wherein: the utility model discloses a scraper blade, including installation frame (16), scraper blade (17), installation frame (16), pneumatic cylinder (26) are equipped with to the one end that is close to scraper blade (17) fixture block (25), fixture block (25) inside wall symmetry is equipped with two air cylinders (26), no. two boards (20) are cavity structure, the bottom of No. two boards (20) is equipped with the orifice more than two, be equipped with the trachea between air cylinder (26) and the adjacent No. two boards (20), lateral wall, the tracheal interior check valve that all is equipped with of air cylinder (26).

6. A method of dyeing nonwoven fabric according to claim 3, wherein: one side that adjacent worm gear speed reducer (11) was kept away from to synchronous pulley (12) No. one is equipped with synchronous pulley No. three (27), support (10) bottom is equipped with the rectangular plate, rotate on the rectangular plate lateral wall and install pivot (28), pivot (28) fixed surface has synchronous pulley No. four (29), be equipped with synchronous belt No. two (30) between synchronous pulley No. three (27) and synchronous pulley No. four (29), the one end that rectangular plate was kept away from to pivot (28) is equipped with more than two drawing bars (31) along its circumference.

7. The method for dyeing non-woven fabric according to claim 6, wherein: the drawing strip (31) is soft, and a first spring is arranged inside the drawing strip (31).

8. A method of dyeing nonwoven fabric according to claim 3, wherein: the length of the second plate (20) is 3-5 times of that of the first plate (19), and the rotation point of the scraping plate (17) is positioned at the fifth equally dividing point of the scraping plate (17).