Dyeing method of cotton yarns

The invention relates to a dyeing method of cotton yarns. The dyeing method comprises a cation modified solution padding process, a drying process, a dyeing solution padding process and a color fixing process, which are carried out in sequence, wherein in the cation modified solution padding process, base yarns are padded in a cation modified solution subjected to ultrasonic cavitation treatment. With the method, the problems of color fastness, core penetration degree and color depth of a cotton yarn continuous pad dyeing technology are solved, a scouring or pretreatment process with a scouring effect before and during a dyeing process can be omitted, and energy consumption and pollution emission during the scouring or in a pretreatment process with the scouring effect are eliminated from the sources.

Device for producing space dye yarn

The invention relates to a device for producing space dye yarn, comprising at least one group of padders. A dye liquor slot for holding space dye liquor is arranged below each group of padders; the inside of the dye liquor slot is connected with a corresponding space dye liquor preparation bucket through a feed delivery pipe; each group of padders comprises a stand, a bottom roll and a top roll; at least part of outer wall surface of the bottom roll is soaked in the space dye liquor of the dye liquor slot; when the top roll is upwards lifted, the top roll and the bottom roll are separated, and the yarn passes through a gap between the top roll and the bottom roll; when the top roll is pressed downwards, the outer wall surface of the top roll and the outer wall surface of the bottom roll are appressed, the bottom roll drive the top roll to rotate to make the yarn pass through the rolling points of the top roll and the bottom roll, and the outer wall surface of the bottom roll adheres to ...

Speck yarn spray-dyeing device

The invention relates to a speck yarn spray-dyeing device, which is used for processing specks on a plurality of parallel yarns. The device comprises at least two yarn guide rollers used for guiding the plurality of parallel yarns in and out and at least one spray head used for performing discontinuous spray-dyeing. A nozzle of the spray head faces down, and is positioned in the upper area of a yarn route. Yarns pass under the nozzle of the spray head through the yarn guide rollers. Each spray head is arranged on a rack truck. Each rack truck is arranged on a track extended along the arrangement direction of the plurality of yarns, is connected with a servo motor and can drive the corresponding spray head to reciprocally move along the arrangement direction of the plurality of yarns underthe drive of positive and negative alternate rotation of the corresponding servo motor and drive the corresponding spray head to stop moving under the braking of the corresponding servo motor. The device ...

Device for producing space dye yarn

The invention relates to a device for producing space dye yarn, comprising at least one group of padders. A dye liquor slot for holding space dye liquor is arranged below each group of padders; the inside of the dye liquor slot is connected with a corresponding space dye liquor preparation bucket through a feed delivery pipe; each group of padders comprises a stand, a bottom roll and a top roll; at least part of outer wall surface of the bottom roll is soaked in the space dye liquor of the dye liquor slot; when the top roll is upwards lifted, the top roll and the bottom roll are separated, and the yarn passes through a gap between the top roll and the bottom roll; when the top roll is pressed downwards, the outer wall surface of the top roll and the outer wall surface of the bottom roll are appressed, the bottom roll drive the top roll to rotate to make the yarn pass through the rolling points of the top roll and the bottom roll, and the outer wall surface of the bottom roll adheres to ...

Spray-painting method of yarns with regular patterns

The invention discloses a spray-painting method of yarns with regular patterns. The spray-painting method comprises a process that a plurality of yarns in parallel arrangement pass through at least one spray head continuously at the speed of V1; in the process, the spray head advances intermittently at the speed of V2 along a first path from one side of the yarn width to the other side of the yarn width and sprays dropwise dye liquor to the yarns, the first path is positioned above the yarns and is linear, then the spray head enters the first path along a second path to continuously advance at the speed of V2, the second path and the first path form a closed path, and the spray head does not spray dye to the yarns on the second path, wherein the included angle between the direction in which the spray head advances on the first path at the speed of V2 and the direction in which the yarns advance at the speed of V1 is alpha, and the alpha is adjusted through an electric unit, so that cos ...

Padding device of textile

The invention relates to a padding device of a textile. The padding device comprises a group of padders, wherein each padder comprises a first roller and a second roller, which are horizontally arranged and are rolled with each other, a liquid containing region used for containing the working solution for padding the textile is formed by a rolling line, which is formed during mutual rolling of the first roller and the second roller, and parts, which are located above the rolling line, of the first roller and the second roller, a liquid feeding mechanism used for adding the working solution to the liquid containing region is arranged above the liquid containing region, and the textile can pass through the liquid containing region and the rolling line. The padding device does not need to use a rolling groove to contain the working solution, a roller used for guiding the operation of the textile is not arranged under the liquid level of the working solution, the volume of the working solution ...

Eel breeding pond

The invention relates to an eel breeding pond and belongs to the technical field of breeding equipment. The eel breeding pond comprises a breeding pond body formed by pouring concrete, a cover plate and a water injection connector. The water injection connector is arranged over the culture pond body and used for injecting water into the culture pond body through a water injection pipe. The bottom of the breeding pond body is provided with a first drain outlet in connection with a rear breeding pond of the breeding pond. The inner surface of the bottom of the breeding pond body is provided with a rock ballast layer and a yellow sand layer. An escape prevention net, a first gate and a second gate are sequentially arranged in the rear breeding pond from one side of the first drain outlet. One side of the bottom of the rear breeding pond, which is close to the second gate, is provided with a second drain outlet. A feeding device for feeding eel is also arranged in the breeding pond body. Therefore ...

Method for dyeing yarn containing cellulose fiber by reactive dye

The invention relates to a method for dyeing a yarn containing cellulose fiber by reactive dye. In the method, the following processes are carried out on the yarn which is warped into a beam by a continuous pad dyeing mode: padding with cationic modified solution, drying, padding with staining solution, drying, baking, washing and drying, wherein, a drying cylinder is adopted in the baking process for baking in a contact manner, and the yarn is directly contacted with a high-temperature outer wall of the drying cylinder. By means of the method, continuous pad dyeing of the yarn containing cellulose fiber can be carried out by the reactive dye; the dyeing process has the advantages of relatively low baking temperature, simple baking mode and less broken yarns which are easily handled by an operator; and the adopted dye has the advantages of being free from restriction of K-type reactive dye, comprehensive color spectrum, wide selection range, simple auxiliaries without salt, urea and the ...

Multifunction electromagnetic flaw detection device

Symmetrical self-adaptive adjustment method for process supplement section line direction and electronic equipment

The invention discloses a process supplement section line direction symmetry self-adaptive adjustment method and electronic equipment. The method comprises the steps that a section line is divided into a first symmetric side and a second symmetric side of a mirror image through a middle symmetric line; converting the first symmetric side into a section line point set; according to the section line point set, judging whether the section divided by the section line has self-intersection or not; and if the section line point set judges that the section divided by the section line has self-intersection, carrying out self-adaptive adjustment on the section line point set, and mirroring the adjusted section line point set to the second symmetric side by taking the symmetric line as a center. According to the method, the section line point set of the self-intersecting section lines is adjusted in a self-adaptive mode, symmetrical self-adaptive adjustment of the direction of the process supplement ...

Padding method of textile

The invention relates to a padding method of a textile. The padding method is characterized in that padding treatment of working solution is carried out on the textile by adopting a padder, the padder is provided with two rollers, which are horizontally arranged and are rolled with each other, a region is formed by a rolling line, which is formed during mutual rolling of the two rollers, and parts, which are located above the rolling line, of the two rollers, the region is taken as a liquid containing region, the working solution is contained in the liquid containing region, the textile penetrates through the rolling line of the rollers and the liquid containing region above the rolling line, and moves forwards under the drive of synchronous rotation of the two rollers, so that the treatment of padding of the working solution and squeezing of the padder can be realized. According to the padding method, a rolling groove is unnecessary to contain the working solution, a guide roller used ...

Equipment for dying cotton-containing yarn

The invention relates to equipment for dying a cotton-containing yarn. The equipment comprises an ultrasonic padding device which comprises a padding tank used for containing a cationic modified solution, a yarn guide roller and a drawing padding roller, wherein the padding roller is internally provided with an ultrasonic vibrating box used for cavitating the cationic modified solution, and the ultrasonic vibrating box is connected with an ultrasonic generator. In the continuous pad dyeing of the cotton-containing yarn, the problems of poor dyeing firmness, poor transparency and low dye-uptake of the continuous pad dyeing technology of the cotton-containing yarn are solved through additionally arranging the ultrasonic padding device, and a boiling off procedure before or in the dyeing process or a pretreatment procedure having a boiling off effect can be saved.

Pineapple peeling device

The invention belongs to the technical field of articles for daily use, and in particular relates to a pineapple peeling device. The device comprises a body (1), and a fixing mechanism (2), a cutting mechanism (3) and an actuating unit (4) are arranged on the body (1). The device is characterized in that the cutting mechanism (3) is fixed with the actuating unit (4), the fixing mechanism (2) is arranged just below the cutting mechanism (3), the cutting mechanism (3) comprises 2-8 blades (31), the blades (31) are arranged in a circle, and every two adjacent blades (31) are connected by virtue of a spring (32). The pineapple peeling device has the advantages of simple structure, convenience during application and low manufacturing cost and has a better market prospect.

Manual drawing die utensil product liftout mechanism

The utility model relates to a manual drawing die utensil product liftout mechanism fixes in the mould die cavity, its characterized in that: liftout mechanism mainly by the lift slope of tiling in the mould die cavity with place lift slope and the intercavernous telescoping device of mould in and form, the one end of lift slope is articulated with the chamber wall of mould die cavity outlet side, this liftout mechanism get the flich just, safety.

Reactive dyeing equipment for cellulose fibre-contained yarns

The invention relates to reactive dyeing equipment for cellulose fibre-contained yarns, comprising a baking device. The baking device comprises a drying drum support, a plurality of rotatable drying drums arranged on the drying drum support, a lead-in yarn guide roller and a lead-out yarn guide roller, wherein each drying drum comprises a drying drum outer wall, a drying drum inner wall and a drying drum side wall; the drying drum outer wall, a closed cavity is encircled by the drying drum inner wall and the drying drum side wall; heat conduction oil is filled in the cavity; an electric heating element used for heating the heat conduction oil is also arranged in the cavity; the drying drums, the lead-in yarn guide roller and the lead-out yarn guide roller synchronously rotate; and when in work, yarns led in by the lead-in yarn guide roller are led out by the lead-out yarn guide roller after bypassing the surface of each drying drum in sequence. Through utilizing the equipment, continuous ...

Production method of space dyeing yarns

The invention relates to a production method of space dyeing yarns, which comprises a space dyeing process that a plurality of warping axial yearns continuously pass by at least one group of padders in a continuous space dyeing way, during the space dyeing process, the space dyeing of at least one color is realized by supplying space dyeing staining fluids of different colors to various groups of padders; when the yarns pass by various groups of padders, through controlling the various groups of padders to carry out yarn padding movement or not, the length of the continuous yarn padding during the padding movement and the continuous passing length of the yarn during the non-padding movement, the space dyeing color length and space dyeing gap length of the corresponding space dyeing color on the yarn are controlled. The residual staining fluid of the production method is less, and can be recycled and reused; more warping axial yarns are obtained, once production quantity is large, the dyeing ...

Production method of speck yarn

The invention relates to a production method of speck yarn. The production method contains a speck machining process and the machining process contains a process that a plurality of parallel yarns pass through at least one nozzle in a progressive manner in turn; during the process, the nozzle sprays a staining solution to the yarns intermittently; in the spraying process of the nozzle, the spray-painting of at least one color is realized by controlling the color and concentration of the staining solution sprayed by each nozzle, the advancing lengths of the yarns under the spraying state and intermittent state relatively to each nozzle are controlled respectively to limit the speck section lengths sprayed by the corresponding nozzles and the intermittent section lengths on the yarns; and by controlling the ratio of the frequency of the back and forth movement of each nozzle to the advancing speed of the yarns respectively, the density of the specks sprayed by the nozzles on the yarns can ...

Automatic process arrangement method for stamping parts, electronic equipment and storage medium

The invention discloses a DSP1F224185ZX automatic process arrangement method for stamping parts, electronic equipment and a storage medium. The method comprises the steps that process elements are obtained and stored in element containers of three-dimensional graphic software respectively; performing grouping operation on the process elements; generating corresponding tool bodies for the grouped process elements; determining an interference state between the tool bodies; and performing permutation and combination on the process elements according to grouping conditions of the process elements and the interference states. According to the method, minimum unit feature discretization and grouping are carried out on the process elements, the tool bodies of the corresponding process elements are generated, and finally, the process elements with the same group and the process elements without overlapping of the tool bodies corresponding to the process elements are permutated and combined. Therefore ...

Equipment for dying cotton-containing yarn

The invention relates to equipment for dying a cotton-containing yarn. The equipment comprises an ultrasonic padding device which comprises a padding tank used for containing a cationic modified solution, a yarn guide roller and a drawing padding roller, wherein the padding roller is internally provided with an ultrasonic vibrating box used for cavitating the cationic modified solution, and the ultrasonic vibrating box is connected with an ultrasonic generator. In the continuous pad dyeing of the cotton-containing yarn, the problems of poor dyeing firmness, poor transparency and low dye-uptake of the continuous pad dyeing technology of the cotton-containing yarn are solved through additionally arranging the ultrasonic padding device, and a boiling off procedure before or in the dyeing process or a pretreatment procedure having a boiling off effect can be saved.

Yarn spray dyeing device forming trim patterns

The invention discloses a yarn spray dyeing device forming trim patterns. The yarn spray dyeing device forming the trim patterns is arranged on the machine frame and used for processing color point patterns on multiple yarns which are arranged side by side. The yarn spray dyeing device comprises at least one spray dyeing system located above the yarns. Each spray dyeing system comprises a spray nozzle path system, a spray nozzle, a first driving device, a first path, a second driving device, and an electrical unit, wherein the first driving device drives the spray nozzle path system to drive the spray nozzle to move, the spray nozzle is driven to move along the first path from one side of the yarns to the other side in the width direction, the second driving device drives the spray nozzle path system to enable the first path and the advancing direction of the yarns form an included angle alpha, and when the advancing speed of the yarns is V1, the advancing speed of the spray nozzle on the ...

Method for dyeing yarn containing cellulose fiber by reactive dye

The invention relates to a method for dyeing a yarn containing cellulose fiber by reactive dye. In the method, the following processes are carried out on the yarn which is warped into a beam by a continuous pad dyeing mode: padding with cationic modified solution, drying, padding with staining solution, drying, baking, washing and drying, wherein, a drying cylinder is adopted in the baking process for baking in a contact manner, and the yarn is directly contacted with a high-temperature outer wall of the drying cylinder. By means of the method, continuous pad dyeing of the yarn containing cellulose fiber can be carried out by the reactive dye; the dyeing process has the advantages of relatively low baking temperature, simple baking mode and less broken yarns which are easily handled by anoperator; and the adopted dye has the advantages of being free from restriction of K-type reactive dye, comprehensive color spectrum, wide selection range, simple auxiliaries without salt, urea and the ...