CN112609359A

CN112609359A - Dip dyeing method for cotton textile yarns

Info

Publication number: CN112609359A
Application number: CN202011504370.0A
Authority: CN
Inventors: 尹梦雅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-04-06

Abstract

The invention provides a dip-dyeing method for cotton textile yarns, which adopts a cotton textile yarn dip-dyeing device, wherein the cotton textile yarn dip-dyeing device comprises a dye cavity, a dip-dyeing unit and a scrap removing unit, a transverse sliding groove is formed in the inner wall of the upper end of the dye cavity, the dip-dyeing unit is installed at the upper end of the dye cavity, and the scrap removing unit is arranged in the transverse sliding groove; the invention can solve the problems that the prior yarn is mostly soaked in dye for a long time during dip dyeing processing, so that the dip dyeing effect of the yarn cannot be ensured, the dip dyeing is improper, and the yarn needs to be processed for the second time, so that the working efficiency is influenced; secondly, general dyestuff can not in time clear away remaining piece in the dyestuff when the dip-dyeing yarn, and need often change the dyestuff, consequently easily cause the yarn to be infected with the piece, influence the yarn quality, and cause the wasting of resources, extravagant cost scheduling problem.

Description

Dip dyeing method for cotton textile yarns

Technical Field

The invention relates to the technical field of cotton textile yarn processing, in particular to a dip-dyeing method for cotton textile yarns.

Background

The cotton textile yarn is a textile, various textile fibers are processed into products with certain fineness, and the products are used for weaving cotton raw materials such as cotton, silk and the like into a piece of complete cloth by hands or machines; and is suitable for weaving, rope making, thread making, knitting and embroidering; the chemical fiber can be selected from the length, the fineness and the cross-sectional shape of the fiber at will, so the coat fabric is preferably blended by the chemical fiber with thicker fiber and shorter fiber and cotton to increase the wool-type feeling on the surface of the finished yarn; the underwear fabric is preferably made of chemical fiber with thin fiber and long length, and the cotton fiber is arranged on the outer layer of the yarn so as to improve the moisture absorption performance and the wearing comfort; in order to facilitate better decoration, the finished yarn needs to be subjected to dip dyeing treatment to increase the diversity of the later production and preparation.

However, the following problems exist when the yarn is subjected to dip dyeing treatment at present: firstly, present yarn is most soaking batch yarn in the dyestuff for a long time when dip-dyeing processing to can't guarantee the dip-dyeing effect of yarn, easily cause the dip-dyeing improper, consequently need carry out secondary operation to it, thereby increase work load, influence work efficiency.

Secondly, general dyestuff can not in time clear away remaining piece in the dyestuff when the dip-dyeing yarn, and need often change the dyestuff, consequently easily causes the yarn to be infected with the piece, influences the yarn quality, and causes the wasting of resources, the extravagant cost.

Disclosure of Invention

In order to solve the problems, the invention provides a cotton textile yarn dip-dyeing method, which adopts a cotton textile yarn dip-dyeing device, wherein the cotton textile yarn dip-dyeing device comprises a dye cavity, a dip-dyeing unit and a scrap removing unit, a transverse chute is formed in the inner wall of the upper end of the dye cavity, the dip-dyeing unit is arranged at the upper end of the dye cavity, and the scrap removing unit is arranged in the transverse chute, wherein:

the dye cavity is internally provided with a positioning groove at the right end, a linkage sliding groove is arranged along the left end of the dye cavity, and a fixing groove communicated with the dye cavity is arranged at the right side of the transverse sliding groove at the lower end of the dye cavity.

The dip-dyeing unit comprises a baffle, a supporting block, a supporting cylinder, a driving motor, a transmission shaft, a linkage shaft, a winding roller and a guide assembly, wherein: baffle bilateral symmetry supports and leans on dyestuff chamber upper end outer wall, the inside mounting hole of having seted up of baffle, and left side baffle mounting hole rear end sets up the mounting groove rather than being linked together, the supporting shoe is installed to symmetry around the baffle outer wall, the supporting shoe lower extreme is provided with the support cylinder, support cylinder telescopic link end sets up on dyestuff chamber upper end outer wall, driving motor installs in the mounting groove, driving motor output shaft end has the transmission shaft through splined connection, the universal driving shaft both ends are passed through the bearing and are set up on right side mounting hole front and back end inner wall, and be connected through the belt drive between transmission shaft rear end and the universal driving shaft, evenly be provided with the wire winding roller from front to back along transmission shaft and universal driving shaft outer wall.

Remove bits unit includes intermittent type motor, a filter screen, No. two filter screens, back shaft, pivot, drive gear, auxiliary gear, drive motor, drive screw, linkage piece and execute subassembly, wherein: intermittent type motor sets up in the constant head tank, intermittent type motor output shaft end-to-end connection has a filter screen No. one, No. two filter screens are the mirror image with a filter screen and slide the setting on dyestuff intracavity wall, one of them filter screen left end outer wall is provided with the back shaft, and back shaft outer wall cover is equipped with the drive gear that slides the setting in the linkage spout, No. two filter screen outer wall bilateral symmetry is provided with the pivot, along left side pivot outer wall cover be equipped with drive gear engaged with auxiliary gear, driving motor installs in the fixed slot, there is drive screw along drive motor output shaft end-to-end connection, the drive screw other end slides and sets up on horizontal spout left end inner wall, the linkage piece slides and sets up in horizontal spout, and linkage piece spiro union is on the drive screw outer wall, spacing groove has been.

The dip dyeing treatment of the yarn by using the cotton textile yarn dip dyeing device comprises the following steps:

s1, yarn installation: the yarn to be processed is mounted on the device and the device is started.

S2, yarn dip dyeing: the yarn in S1 is dip dyed by a dip dyeing unit during which the finished yarn is collected by winding.

S3, dye purification: clear up remaining piece in to the dyestuff through removing bits unit to guarantee the cleanliness of dyestuff, prevent that the yarn from being infected with the piece, influence later stage processing.

As a preferred technical scheme of the present invention, the guide assembly includes a support plate, a first roller, a guide plate, a second roller and a guide block, wherein: bearing plate installs on the baffle inside wall, linkage groove has been seted up along bearing plate inside, roller both ends pass through bearing bilateral symmetry and set up on linkage groove front and back end inner wall No. one, the deflector sets up on bearing plate lower extreme outer wall, linkage groove No. two has been seted up along the deflector downside, roller both ends pass through bearing longitudinal symmetry and set up on linkage groove front and back end inner wall No. two, the deflector lateral wall from the top down evenly is provided with the guide block, the punishment in advance hole that is used for guiding the yarn is seted up to guide block inside.

As a preferred technical scheme of the invention, the execution assembly comprises a water suction pump, an execution pipe, a connecting pipe, a supporting spring pipe, a water outlet pipe and a filter material cavity, wherein: the suction pump is installed at the spacing inslot, is provided with the executive tube along the suction pump upper end, is provided with the outlet pipe along suction pump outer wall bilateral symmetry, and the outlet pipe other end extends to dye intracavity portion, installs the supporting spring pipe along the executive tube upper end, and the supporting spring pole end is provided with the connecting pipe, and the filter material chamber is installed to the connecting pipe upper end, offers the intake chamber that is linked together with the connecting pipe along filter material chamber lower extreme, has evenly offered the filter material hole along the intake chamber upper end.

As a preferable technical scheme of the invention, the outer walls of the first roller and the second roller are uniformly provided with annular grooves matched with yarns.

As a preferable technical scheme of the invention, the filter tank is arranged in the filter material cavity, and the filter tank is internally provided with a filter element for blocking debris.

As a preferable technical solution of the present invention, the water inlet tank is an inclined structure tank with a gradually decreasing notch from top to bottom for guiding the water in the filter material chamber downward.

The invention has the beneficial effects that:

the invention greatly improves the dip-dyeing treatment of the yarns, and can solve the problems that firstly, most of the prior yarns are soaked in dye for a long time during dip-dyeing processing, so that the dip-dyeing effect of the yarns cannot be ensured, and the dip-dyeing is improper, so that the yarns need to be processed for the second time, the workload is increased, and the working efficiency is influenced; secondly, general dyestuff can not in time clear away remaining piece in the dyestuff when the dip-dyeing yarn, and need often change the dyestuff, consequently easily cause the yarn to be infected with the piece, influence the yarn quality, and cause the wasting of resources, extravagant cost scheduling problem.

The dip dyeing unit is arranged, so that the yarn can be subjected to dip dyeing treatment, and the processed yarn can be wound and collected, so that the workload can be reduced, and the working efficiency can be improved.

The scrap removing unit is arranged, so that scraps remained in the dye can be effectively cleaned, the cleanliness of the dye can be guaranteed, the yarn is prevented from being stained with the scraps, the dye can be utilized for multiple times, the resource waste can be avoided, and the cost is reduced.

The guiding assembly is arranged, and can be matched with the dip dyeing unit to guide the yarns, so that the yarns are ensured to be completely soaked in the dye, and the dip dyeing effect is improved.

And fifthly, the invention is provided with the execution assembly which can be matched with the chip removal unit to carry out adsorption and purification treatment on chips attached to the lower ends of the first filter screen and the second filter screen, and can inject purified dye into the dye cavity, thereby achieving the effect of recycling.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a process flow diagram of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a front cross-sectional view of the present invention.

Fig. 4 is a top cross-sectional view of the present invention.

Figure 5 is a top cross-sectional view of the support plate and first roller of the present invention.

Figure 6 is a partial schematic view of the structure of the support plate, first roller and guide plate of the present invention.

Fig. 7 is a partial structural schematic view of the guide plate, the second roller and the guide block of the present invention.

Fig. 8 is a top cross-sectional view of filter mesh # one and filter mesh # two of the present invention.

Fig. 9 is a partial structural schematic diagram of an execution unit of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

As shown in fig. 1 to 9, the invention provides a cotton textile yarn dip-dyeing method, which adopts a cotton textile yarn dip-dyeing device comprising a dye cavity 1, a dip-dyeing unit 2 and a scrap removing unit 3, wherein a transverse chute 11 is formed in the inner wall of the upper end of the dye cavity 1, the dip-dyeing unit 2 is mounted at the upper end of the dye cavity 1, and the scrap removing unit 3 is arranged in the transverse chute 11, wherein:

a positioning groove 12 is formed in the right end of the dye cavity 1, a linkage sliding groove 13 is formed in the left end of the dye cavity 1, and a fixing groove 14 communicated with the transverse sliding groove 11 is formed in the right side of the lower end of the dye cavity 1.

The dip dyeing unit 2 comprises a baffle 21, a supporting block 22, a supporting cylinder 23, a driving motor 24, a transmission shaft 25, a linkage shaft 26, a winding roller 27 and a guide assembly 28, wherein: the baffle 21 is bilaterally and symmetrically abutted against the outer wall of the upper end of the dye cavity 1, a mounting hole 211 is formed in the baffle 21, a mounting groove 212 communicated with the baffle 21 is formed in the rear end of the mounting hole 211 of the left baffle 21, supporting blocks 22 are symmetrically mounted in the front and back direction along the outer wall of the baffle 21, a supporting cylinder 23 is arranged at the lower end of each supporting block 22, the tail end of a telescopic rod of each supporting cylinder 23 is arranged on the outer wall of the upper end of the dye cavity 1, a driving motor 24 is mounted in the mounting groove 212, the tail end of an output shaft of the driving motor 24 is connected with a transmission shaft 25 through a spline, two ends of a linkage shaft 26 are arranged on the inner walls of the front end and the rear end of the right mounting hole 211 through bearings, the rear end of the transmission shaft 25 is connected with; the guide assembly 28 includes a support plate 281, a first roller 282, a guide plate 283, a second roller 284, and a guide block 285, wherein: the supporting plate 281 is installed on the inner side wall of the baffle 21, a first linkage groove 2811 is formed in the supporting plate 281, two ends of a first roller 282 are bilaterally symmetrically arranged on the inner walls of the front end and the rear end of the first linkage groove 2811 through bearings, a guide plate 283 is arranged on the outer wall of the lower end of the supporting plate 281, a second linkage groove 2831 is formed in the lower side of the guide plate 283, two ends of a second roller 284 are vertically symmetrically arranged on the inner walls of the front end and the rear end of the second linkage groove 2831 through bearings, and annular grooves 2821 matched with yarns are uniformly formed in the outer walls of the first roller 282 and the second roller 284; the guide plate 283 outer side wall is evenly provided with guide blocks 285 from top to bottom, and the guide blocks 285 are internally provided with material passing holes 2851 for guiding yarns.

During specific work, the supporting cylinder 23 is opened, the supporting cylinder 23 drives the baffle 21 to move downwards through the supporting block 22, at the moment, the yarn moves downwards through the annular groove 2821 and the material passing hole 2851, and therefore the yarn on the winding roller 27 is subjected to dip dyeing processing through matching with the first guide roller 282 and the second guide roller 284; after the work is finished, the supporting cylinder 23 drives the baffle plate 21 to reset upwards through the supporting block 22, so that the scrap removing unit 3 can clean the scraps remained in the dye; during the period, the driving motor 24 is opened, the driving motor 24 drives the winding roller 27 to rotate through the transmission shaft 25 and the linkage shaft 26, so that the yarn subjected to dip dyeing can be wound, and meanwhile, the yarn to be processed is unreeled, so that dip dyeing treatment is performed on the yarn.

The scrap removing unit 3 comprises an intermittent motor 31, a first filter screen 32, a second filter screen 33, a supporting shaft 34, a rotating shaft 35, a transmission motor 36, a transmission screw 37, a linkage block 38 and an executing component 39, wherein: the intermittent motor 31 is arranged in the positioning groove 12, the tail end of an output shaft of the intermittent motor 31 is connected with a first filter screen 32, a second filter screen 33 and the first filter screen 32 are arranged on the inner wall of the dye cavity 1 in a mirror image sliding mode, a support shaft 34 is arranged on the outer wall of the left end of the first filter screen 32, a transmission gear 341 arranged in the linkage sliding groove 13 in a sliding mode is sleeved on the outer wall of the support shaft 34, rotating shafts 35 are symmetrically arranged on the left and right sides of the outer wall of the second filter screen 33, an auxiliary gear 351 meshed with the transmission gear 341 is sleeved on the outer wall of the left rotating shaft 35, the transmission motor 36 is arranged in the fixing groove 14, a transmission screw 37 is connected with the tail end of the output shaft of the transmission motor 36, the other end of the transmission screw 37 is arranged on the inner wall of the left end of the transverse sliding groove 11 in a sliding, the actuating assembly 39 is installed in the limit groove 381, the actuating assembly 39 includes a water pump 391, an actuating pipe 392, a connecting pipe 393, a supporting spring pipe 394, a water outlet pipe 395 and a filtering material cavity 396, wherein: the water suction pump 391 is installed in the limiting groove 381, an execution pipe 392 is arranged along the upper end of the water suction pump 391, water outlet pipes 395 are symmetrically arranged along the left and right of the outer wall of the water suction pump 391, and the water outlet pipes 395 are L-shaped structural pipes used for being matched with the water suction pump 391 to inject dye into the dye cavity 1; the other end of the water outlet pipe 395 extends into the dye cavity 1, a supporting spring pipe 394 is arranged along the upper end of the execution pipe 392, a connecting pipe 393 is arranged at the tail end of the supporting spring rod, a filter material cavity 396 is arranged at the upper end of the connecting pipe 393, a water inlet groove 3961 communicated with the connecting pipe 393 is arranged along the lower end of the filter material cavity 396, and the water inlet groove 3961 is an inclined structure groove which is used for guiding water in the filter material cavity 396 downwards and has a gradually reduced notch from top to bottom; filter material holes 3962 are uniformly formed in the upper end of the water inlet groove 3961, a filter groove 3963 is formed in the filter material cavity 396, and a filter element 3964 used for blocking debris is installed in the filter groove 3963.

When the device works specifically, the intermittent motor 31 is turned on, the intermittent motor 31 drives the first filter screen 32 to rotate, at the moment, the first filter screen 32 drives the second filter screen 33 to rotate reversely through the supporting shaft 34 and the transmission gear 341 in cooperation with the rotating shaft 35 and the auxiliary gear 351, so that the purpose that the first filter screen 32 and the second filter screen 33 are synchronously turned over for 180 degrees is achieved, therefore, scraps floating on the surface of dye can be pressed downwards, the filter material cavity 396 is contracted downwards under the action of the supporting spring pipe 394 matching with the connecting pipe 393, at the moment, the transmission motor 36 is turned on, the transmission motor 36 drives the linkage block 38 to do left-right reciprocating linear motion through the transmission screw 37, the water pump 391 is turned on, the scraps at the lower ends of the first filter screen 32 and the second filter screen 33 are adsorbed through the execution pipe 392 matching with the supporting spring pipe 394 and the connecting pipe 393, the scraps passing through the filter material cavity 396 are accumulated in the filter material, the filtered dye flows into dye chamber 1 through outlet tube 395.

s1, yarn installation: the yarn to be processed is sleeved on the transmission shaft 25, the winding roller 27 is sleeved on the outer wall of the linkage shaft 26, the yarn tip is wound on the winding roller 27 through the guide assembly 28, and the device is started at the moment.

S2, yarn dip dyeing: the supporting cylinder 23 is opened, the supporting cylinder 23 drives the baffle 21 to move downwards through the supporting block 22, and at the moment, the yarn moves downwards through the annular groove 2821 and the material passing hole 2851, so that the yarn on the winding roller 27 is subjected to dip dyeing by matching with the first guide roller 282 and the second guide roller 284; after the work is finished, the supporting cylinder 23 drives the baffle plate 21 to reset upwards through the supporting block 22, so that the scrap removing unit 3 can clean the scraps remained in the dye; during the period, the driving motor 24 is opened, the driving motor 24 drives the winding roller 27 to rotate through the transmission shaft 25 and the linkage shaft 26, so that the yarn subjected to dip dyeing can be wound, and meanwhile, the yarn to be processed is unreeled, so that dip dyeing treatment is performed on the yarn.

S3, dye purification: the intermittent motor 31 is started, the intermittent motor 31 drives the first filter screen 32 to rotate, at the moment, the first filter screen 32 drives the second filter screen 33 to rotate reversely through the supporting shaft 34 and the transmission gear 341 in cooperation with the rotating shaft 35 and the auxiliary gear 351, so that the purpose that the first filter screen 32 and the second filter screen 33 are synchronously overturned for 180 degrees is achieved, therefore, scraps floating on the surface of the dye can be pressed downwards, the filter material cavity 396 shrinks downwards under the action of the supporting spring pipe 394 in cooperation with the connecting pipe 393, at the moment, the transmission motor 36 is started, the transmission motor 36 drives the linkage block 38 to do left-right reciprocating linear motion through the transmission screw 37, the water pump 391 is started, the water pump 391 adsorbs the scraps at the lower ends of the first filter screen 32 and the second filter screen 33 through the execution pipe 392 in cooperation with the supporting spring pipe 394 and the connecting pipe 393, the scraps passing through the filter material cavity 396 are accumulated in the filter material cavity 396 under the action of the filter, the filtered dye flows into dye chamber 1 through outlet tube 395.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cotton textile yarn dip-dyeing method, this cotton textile yarn dip-dyeing method adopts following cotton textile yarn dip-dyeing device, and cotton textile yarn dip-dyeing device includes dye chamber (1), dip-dyeing unit (2) and removes bits unit (3), its characterized in that: horizontal spout (11) have been seted up to dye chamber (1) upper end inner wall, and install in dye chamber (1) upper end in dip-dyeing unit (2), remove bits unit (3) and set up in horizontal spout (11), wherein:

a positioning groove (12) is formed in the right end of the dye cavity (1), a linkage sliding groove (13) is formed in the left end of the dye cavity (1), and a fixing groove (14) communicated with the transverse sliding groove (11) is formed in the right side of the lower end of the dye cavity (1);

the dip-dyeing unit (2) comprises a baffle (21), a supporting block (22), a supporting cylinder (23), a driving motor (24), a transmission shaft (25), a linkage shaft (26), a winding roller (27) and a guide assembly (28), wherein: the baffle (21) is bilaterally and symmetrically abutted against the outer wall of the upper end of the dye cavity (1), a mounting hole (211) is formed in the baffle (21), a mounting groove (212) communicated with the mounting hole (211) is formed in the rear end of the left baffle (21), supporting blocks (22) are symmetrically mounted along the front and rear of the outer wall of the baffle (21), a supporting cylinder (23) is arranged at the lower end of each supporting block (22), the tail end of a telescopic rod of each supporting cylinder (23) is arranged on the outer wall of the upper end of the dye cavity (1), a driving motor (24) is mounted in the mounting groove (212), the tail end of an output shaft of the driving motor (24) is connected with a transmission shaft (25) through a spline, two ends of a linkage shaft (26) are arranged on the inner walls of the front and rear ends of the right mounting hole (211) through bearings, the rear end of the transmission shaft (25) is connected with the linkage shaft (26) through, the guide assembly (28) is arranged on the inner side wall of the baffle plate (21);

remove bits unit (3) and include intermittent type motor (31), a filter screen (32), No. two filter screens (33), back shaft (34), pivot (35), drive motor (36), drive screw (37), linkage piece (38) and execute subassembly (39), wherein: the intermittent motor (31) is arranged in the positioning groove (12), the tail end of an output shaft of the intermittent motor (31) is connected with a first filter screen (32), a second filter screen (33) and the first filter screen (32) are arranged on the inner wall of the dye cavity (1) in a mirror image sliding manner, a support shaft (34) is arranged on the outer wall of the left end of the first filter screen (32), a transmission gear (341) which is arranged in the linkage sliding groove (13) in a sliding manner is sleeved on the outer wall of the support shaft (34), rotating shafts (35) are arranged on the outer wall of the second filter screen (33) in a bilateral symmetry manner, an auxiliary gear (351) which is meshed with the transmission gear (341) is sleeved on the outer wall of the left rotating shaft (35), the transmission motor (36) is arranged in the fixing groove (14), a transmission screw (37) is connected with the tail end of the output shaft of the transmission motor, the linkage block (38) is arranged in the transverse sliding groove (11) in a sliding mode, the linkage block (38) is in threaded connection with the outer wall of the transmission screw rod (37), a limiting groove (381) is formed in the linkage block (38), and the execution assembly (39) is installed in the limiting groove (381);

s1, yarn installation: installing the yarn to be processed on the device, and starting the device;

s2, yarn dip dyeing: carrying out dip dyeing treatment on the yarn in the S1 through a dip dyeing unit (2), wherein the dip dyeing unit (2) winds and collects the processed yarn;

s3, dye purification: clear up remaining piece in to the dyestuff through removing bits unit (3) to guarantee the cleanliness of dyestuff, prevent that the yarn from being infected with the piece, influence later stage processing.

2. The dip dyeing method for cotton textile yarns according to claim 1, characterized in that: the guide assembly (28) comprises a support plate (281), a first roller (282), a guide plate (283), a second roller (284) and a guide block (285), wherein: bearing board (281) are installed on baffle (21) inside wall, linkage groove (2811) have been seted up No. one along bearing board (281) inside, roller (282) both ends set up on linkage groove (2811) front and back end inner wall through bearing bilateral symmetry, deflector (283) set up on bearing board (281) lower extreme outer wall, linkage groove (2831) No. two have been seted up along deflector (283) downside, roller (284) both ends set up on linkage groove (2831) front and back end inner wall No. two through bearing upper and lower symmetry, deflector (283) lateral wall from the top down evenly is provided with guide block (285), punishment in advance hole (2851) that are used for guiding the yarn are seted up to guide block (285) inside.

3. The dip dyeing method for cotton textile yarns according to claim 1, characterized in that: the actuating assembly (39) comprises a water suction pump (391), an actuating pipe (392), a connecting pipe (393), a supporting spring pipe (394), a water outlet pipe (395) and a filtering material cavity (396), wherein: suction pump (391) are installed in spacing groove (381), be provided with execution pipe (392) along suction pump (391) upper end, be provided with outlet pipe (395) along suction pump (391) outer wall bilateral symmetry, the outlet pipe (395) other end extends to inside dye chamber (1), install supporting spring pipe (394) along execution pipe (392) upper end, and supporting spring pole end is provided with connecting pipe (393), filter material chamber (396) are installed to connecting pipe (393) upper end, intake antrum (3961) that are linked together with connecting pipe (393) are seted up along filter material chamber (396) lower extreme, filter material hole (3962) have evenly been seted up along intake antrum (3961) upper end.

4. The dip dyeing method for cotton textile yarns according to claim 2, characterized in that: and annular grooves (2821) matched with yarns are uniformly formed in the outer walls of the first roller (282) and the second roller (284).

5. A method of exhaust dyeing cotton textile yarns according to claim 3, characterized in that: a filter tank (3963) is arranged in the filter material cavity (396), and a filter core (3964) used for blocking debris is arranged in the filter tank (3963).

6. A method of exhaust dyeing cotton textile yarns according to claim 3, characterized in that: the water inlet groove (3961) is an inclined structure groove which is gradually reduced from the upper notch to the lower notch and is used for guiding the water in the filter material cavity (396) downwards.

7. A method of exhaust dyeing cotton textile yarns according to claim 3, characterized in that: the water outlet pipe (395) is an L-shaped structure pipe used for being matched with a water suction pump (391) to inject dye into the dye cavity (1).