CN220013057U - Knitted fabric dyeing device - Google Patents

Abstract

The utility model provides a knitted fabric dyeing device which comprises a mounting table, wherein a cleaning assembly, a feeding assembly, a dyeing box, an extrusion box and a drying box are arranged on the mounting table, a partition board and a guide assembly are arranged in the dyeing box, two second rotating shafts are arranged in the extrusion box, an extrusion roller is arranged on each second rotating shaft, a second transmission belt is sleeved at the end part of each second rotating shaft, a second rotating motor is arranged in each extrusion box, and the output end of each second rotating motor is connected with each second rotating shaft; the drying box is internally provided with a third rotating shaft, the third rotating shaft is sleeved with a drying roller, the drying box is internally provided with a third rotating motor, the output end of the third rotating motor is connected with one end of the third rotating shaft, and the drying box is internally provided with a wind heating drying assembly and a water heating drying assembly. The dyeing machine is used for solving the technical problems that after the cloth mentioned in the background art is dyed, dye and moisture are carried, meanwhile, the cloth is stacked, so that the cloth is dyed unevenly, and meanwhile, the working environment is affected by the moisture and the dye drops.

Description

Knitted fabric dyeing device

Technical Field

The utility model relates to the technical field of cloth dyeing equipment, in particular to a knitted fabric dyeing device.

Background

The knitted fabric is a fabric formed by bending yarns into loops by using knitting needles and mutually stringing the yarns. The knitted fabric is different from the woven fabric in that the yarn is different in form in the fabric, knitting is divided into weft knitting and warp knitting, and the knitted fabric is widely applied to clothing fabric, lining, home textile and other products and is popular with consumers; in daily life, the knitted fabric needs to be dyed according to specific use scenes.

The patent with the prior art authority bulletin number of CN215289289U discloses a dyeing machine for dyeing cloth, which comprises a cloth dyeing box for dyeing cloth and a feeding roller for conveying the cloth, wherein a conveying component and a stirring component for stirring dye liquor are arranged in the cloth dyeing box, the conveying component comprises a plurality of rolling elements and driving components, the rolling elements comprise a plurality of groups of rollers, each group of rollers comprises two rollers which are distributed up and down, the cloth is distributed on the rollers in a staggered manner, the driving components are used for driving the rollers to rotate, and a heating component is arranged on the cloth dyeing box and is used for heating the cloth on the rollers.

After the dyeing device in the above patent dyes cloth, the cloth can carry dye and a large amount of moisture, and when the follow-up operation is carried out, the cloth is stacked and can lead to uneven cloth dyeing, and simultaneously a large amount of moisture and dye dripping can influence the working environment.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a dyeing device for knitted fabric, which is used for solving the technical problems that after the fabric is dyed by the original dyeing device in the background art, the fabric can carry dye and a large amount of moisture, and when the follow-up operation is carried out, the fabric is stacked to cause uneven fabric dyeing, and meanwhile, the working environment is influenced by a large amount of moisture and dye dripping.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a knitted fabric dyeing apparatus, includes the mount table, cleaning module, feeding module, dyeing case, extrusion case and drying cabinet have been set gradually from left to right on the mount table, the inside baffle that is provided with of dyeing case, be provided with guiding module on the baffle, the extrusion incasement portion is provided with two second pivots, it is provided with the extrusion cylinder to rotate in the second pivot, the tip cover of second pivot is equipped with the second driving belt, be provided with the second rotation motor in the extrusion case, the output of second rotation motor with one of them second pivot fixed connection; the drying box is internally provided with a third rotating shaft, the third rotating shaft is sleeved with a drying roller, the drying roller is hollow, the drying box is internally provided with a third rotating motor, the output end of the third rotating motor is fixedly connected with one end of the third rotating shaft, and the drying box is internally provided with an air heating drying assembly and a water heating drying assembly.

Working principle: when the dyeing device for the knitted fabric is used by a technician, placing a fabric to be dyed on the cleaning assembly, then placing one end of the fabric on the guide assembly in the dyeing box, enabling the fabric to be dyed along a fixed path, enabling one end of the dyed fabric to penetrate out of the dyeing box, placing the fabric into a channel between two extrusion rollers in the extrusion box, enabling a gap between the extrusion rollers to extrude and press the fabric, enabling the technician to start the second rotating motor, enabling the second rotating motor to rotate so as to drive one second rotating shaft connected with the second rotating motor to rotate, further enabling the other second rotating shaft to rotate through the second transmission belt, enabling the two extrusion rollers to rotate, driving the dyed fabric to be conveyed forwards, extruding the fabric, and extruding redundant dye in the fabric; and then a technician places one end of the extruded cloth between two drying rollers in the drying box, starts a third rotating motor, and drives a third rotating shaft connected with the third rotating motor to rotate, so as to drive a third driving belt and the other third rotating shaft to rotate, and simultaneously opens an air heating drying assembly and a water heating drying assembly to primarily dry the cloth.

The beneficial effects are that: the guide component is arranged in the dyeing box, so that the situation that the cloth is stacked when dyed, and the dyeing is uneven is avoided; by arranging the extrusion box, redundant dye carried by the dyed cloth can be extruded by the two extrusion rollers, so that the influence of dye dripping on the working environment when the cloth is subjected to subsequent operation is avoided, and the phenomenon that the cloth is stacked by directly carrying out other operations on the cloth after the cloth is dyed can be avoided, and the dyeing effect is also influenced; setting up drying cabinet and warm-air drying subassembly and warm-in-water drying subassembly, the cloth carries out preliminary stoving operation, further fixation to the cloth, avoids the cloth after the extrusion to have residual dyestuff to cause the influence to the cloth dyeing.

The utility model is further provided with: the cleaning assembly comprises a first rotating shaft, a cleaning roller and a first rotating motor, wherein a mounting plate is arranged on the mounting table, two parallel first rotating shafts are rotatably arranged on the mounting plate, the cleaning roller is fixedly arranged on the first rotating shaft, and a plurality of sponge brush heads are arranged on the surface of the cleaning roller; the first rotating motor is fixedly arranged on the mounting table, the output end of the first rotating motor is fixedly connected with one first rotating shaft, and the end parts of the two first rotating shafts are sleeved with first transmission belts.

By adopting the technical scheme: the surface of the cloth to be dyed is provided with dust and fluff due to the fact that the surface of the cloth is stored, dyeing effect can be affected by direct dyeing, so that a technician firstly places one end of the cloth to be dyed in a gap between two cleaning rollers, the surfaces of the two cleaning rollers are contacted with the cloth and are matched with the cloth to compress the cloth, then the technician starts a first rotating motor, the first rotating motor rotates to drive a first rotating shaft connected with the first rotating motor to rotate, and then drives a first transmission belt and the other first rotating shaft to rotate, and a sponge brush head on the surface of the cleaning rollers cleans the surface of the cloth; the cleaned cloth is dyed more easily, and the pollution of impurities to dye can be avoided.

The utility model is further provided with: the guide assembly comprises a chute, a first guide shaft, a second guide shaft and a hydraulic cylinder, wherein the chute is formed in a partition plate, the first guide shaft is slidably arranged in the chute, the hydraulic cylinder is arranged at the top of a dyeing box, the movable end of the hydraulic cylinder is connected with the first guide shaft, the second guide shaft is fixedly arranged below the first guide shaft, guide rollers are sleeved on the first guide shaft and the second guide shaft in a rotating mode, and cloth passes through two gaps between the guide rollers.

By adopting the technical scheme: a technician starts a hydraulic cylinder to enable the movable end of the hydraulic cylinder to retract, drives a first guide shaft and a guide roller sleeved on the first guide shaft to move upwards, then sequentially places cleaned cloth on the surface of the guide roller sleeved on a second guide shaft, then operates the hydraulic cylinder to enable the movable end of the hydraulic cylinder to extend out, drives the first guide shaft and the guide roller sleeved on the first guide shaft to move downwards, and is matched with the guide roller sleeved on the second guide shaft to abut against the cloth, and then performs subsequent dyeing operation, wherein the cloth continuously passes through a channel between the guide rollers in the dyeing process; through above-mentioned setting, can follow fixed guide rail when the cloth is dyed in the dyeing case, avoid the cloth to take place to pile up in the dyeing incasement, cause the uneven condition of dyeing, with the adjustable setting of first guiding axle simultaneously, make things convenient for the technicians to place the cloth between two guide rolls.

The utility model is further provided with: the feeding assembly comprises a dye box, a feeding pipe and a filter screen, wherein the dye box is placed on an installation table, one end of the feeding pipe is connected with the dye box, one end of the feeding pipe, far away from the dye box, penetrates through the side wall of the dye box and stretches into the dye box, the filter screen is detachably arranged on the side wall of the dye box through bolts, a conveying pump is arranged on the feeding pipe, and a spray head is arranged at the end part of the feeding pipe, stretching into the dye box.

By adopting the technical scheme: after the cloth is placed at a fixed position, a technician turns on a conveying pump, so that the dye in the dye box is conveyed into the dye box through a feeding pipe and a spray head, the dye conveyed into the dye box is sprayed onto a filter screen from the spray head, falls into the dye box after being filtered by the filter screen, and dyes the cloth after being higher than the guide assembly; through setting up the filter screen for dye filters behind impurity wherein again to the cloth dyeing, guarantees dyeing quality.

The utility model is further provided with: the air heating drying assembly comprises an air blower and a heating plate, the air blower is arranged at the bottom of the drying box, and the heating plate is arranged between the air blower and the third rotating shaft.

By adopting the technical scheme: the technical staff starts the air blower, and the heating plate is arranged in a heating plate, so that the temperature of the air blown by the air blower rises after passing through the heating plate, and the cloth entering the drying box is dried.

The utility model is further provided with: the hot-water heating drying assembly comprises a hot water tank, a water inlet hose, a water outlet hose and a water collecting tank, wherein the hot water tank is arranged at the top of the drying box and is used for containing hot water, the hot water tank is connected with one end of the drying drum through the water inlet hose, the water outlet hose is connected with one end, far away from the water inlet hose, of the drying drum, the water outlet hose extends out of the drying box, and the water collecting tank is arranged on an installation table below the water outlet hose.

By adopting the technical scheme: the technical staff is connected with the one end water inlet of drying drum with the hose of intaking for the hot water in the hot-water tank flows into hollow drying drum inside through the hose of intaking, makes the temperature on drying drum surface rise, dries the cloth when contacting with the cloth, and the water temperature descends the back with the other end delivery port and the play water hose connection of drying drum, makes the water in the drying drum flow out to the header tank through the drainage hose.

The utility model is further provided with: the bottom of the extrusion box is provided with a drain pipe, the drain pipe extends out of the extrusion box, and a sewage collecting box is arranged on an installation table below the drain pipe.

By adopting the technical scheme: dye extruded when the dyed cloth is extruded in the extrusion box can drop at the bottom of the extrusion box, then is discharged out of the extrusion pipe through the sewage pipe, flows out of the sewage collection box to be uniformly collected, and the influence on the working environment is avoided.

The utility model is further provided with: the surface of the extrusion roller is provided with a plurality of bulges.

By adopting the technical scheme: the bulge can increase the contact area of the extrusion roller and the cloth, and meanwhile, the pressure on the cloth can be increased, so that the extrusion effect on the cloth is enhanced.

The utility model is further provided with: the water inlet hose is provided with a switch valve.

By adopting the technical scheme: when hot water is not needed, a technician closes the switch valve to avoid water outflow, and when hot water is needed, the technician opens the switch valve to enable water to flow out of the hot water tank through the water inlet hose.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of a separator plate according to an embodiment of the present utility model.

In the above figures; 1. a mounting table; 2. a dyeing box; 3. a mounting plate; 4. an extrusion box; 5. a first rotating shaft; 6. a cleaning roller; 7. a first rotating motor; 8. a first drive belt; 9. a dye box; 10. a feed pipe; 11. a transfer pump; 12. a spray head; 13. a filter screen; 14. a first guide shaft; 15. a second guide shaft; 16. a guide roller; 17. a chute; 18. a hydraulic cylinder; 19. a second rotating shaft; 20. an extrusion roller; 21. a protrusion; 22. distributing materials; 23. a second rotating motor; 24. a blow-down pipe; 25. a dirt collection box; 26. a second drive belt; 27. a third rotating shaft; 28. a drying drum; 29. a third rotary motor; 30. a hot water tank; 31. a water inlet hose; 32. a switch valve; 33. a water outlet hose; 34. a water collection tank; 35. a blower; 36. a heating plate; 37. a drying box; 38. a partition board.

Detailed Description

Examples:

as shown in fig. 1: the utility model provides a knitted fabric dyeing apparatus, includes mount table 1, has set gradually clean subassembly, feeding subassembly, dyeing case 2, extrusion case 4 and drying cabinet 37 from left to right on the mount table 1.

As shown in fig. 1: the cleaning assembly comprises a first rotating shaft 5, a cleaning roller 6 and a first rotating motor 7, a mounting plate 3 is welded on the mounting table 1, two parallel first rotating shafts 5 are rotatably arranged on the mounting plate 3, the cleaning roller 6 is welded on the first rotating shaft 5, and a plurality of sponge brush heads are adhered to the surface of the cleaning roller 6; the first rotating motor 7 is installed on the installation table 1 through a connecting piece, the output end of the first rotating motor 7 is fixedly connected with one first rotating shaft 5, and the end parts of the two first rotating shafts 5 are sleeved with first transmission belts 8.

As shown in fig. 1: the feeding subassembly includes dye box 9, inlet pipe 10 and filter screen 13, and dye box 9 places on mount table 1, and the one end and the dye box 9 of inlet pipe 10 are connected, and the one end that dye box 2 was run through to the side wall of dye box 2 is stretched into inside the dye box 2 to the one end that the inlet pipe 10 was kept away from, is provided with filter screen 13 through the bolt can be dismantled on the side wall of dye box 2, is provided with delivery pump 11 on the inlet pipe 10, and the end connection that the inlet pipe 10 stretched into inside the dye box 2 has shower nozzle 12.

As shown in fig. 1 and 2: the inside welding of dyeing case 2 has baffle 38, be provided with guide assembly on the baffle 38, guide assembly includes spout 17, first guiding axle 14, second guiding axle 15 and pneumatic cylinder 18, spout 17 is seted up on baffle 38, first guiding axle 14 slides and sets up in spout 17, pneumatic cylinder 18 installs at dyeing case 2 top, the loose end and the first guiding axle 14 of pneumatic cylinder 18 are connected, second guiding axle 15 welds on the baffle 38 of first guiding axle 14 below, all rotate the cover on first guiding axle 14 and the second guiding axle 15 and be equipped with guide cylinder 16, cloth 22 passes through the clearance between two guide cylinders 16.

As shown in fig. 1: the inside rotation of extrusion case 4 is connected with two second pivots 19, be provided with extrusion cylinder 20 on the second pivot 19, the tip cover of second pivot 19 is equipped with second driving belt 26, install second rotation motor 23 through the connecting piece in the extrusion case 4, the output and the wherein one second pivot 19 fixed connection of second rotation motor 23, extrusion case 4 bottom is provided with blow off pipe 24, blow off pipe 24 stretches out extrusion case 4 outside, be provided with album dirt case 25 on the mount table 1 of blow off pipe 24 below, extrusion cylinder 20 surface is provided with a plurality of archs 21.

As shown in fig. 1: the drying cabinet 37 is connected with the third pivot 27 in a rotating way, the drying roller 28 is sleeved on the third pivot 27 in a rotating way, the drying roller 28 is hollow, the drying cabinet 37 is internally provided with the third rotary motor 29 through a connecting rod, the output end of the third rotary motor 29 is fixedly connected with one end of the third pivot 27, and the drying cabinet 37 is internally provided with an air heating drying assembly and a water heating drying assembly.

As shown in fig. 1: the air heating drying assembly comprises an air blower 35 and a heating plate 36, wherein the air blower 35 is arranged at the bottom of a drying box 37, and the heating plate 36 is welded between the air blower 35 and the third rotating shaft 27.

As shown in fig. 1: the hot-water heating drying component comprises a hot water tank 30, a water inlet hose 31, a water outlet hose 33 and a water collecting tank 34, wherein the hot water tank 30 is arranged at the top of a drying box 37, the hot water tank 30 is used for containing hot water, the hot water tank 30 is connected with one end of a drying drum 28 through the water inlet hose 31, the water outlet hose 33 is connected with one end of the drying drum 28, which is far away from the water inlet hose 31, the water outlet hose 33 extends out of the drying box 37, the water collecting tank 34 is arranged on an installation table 1 below the water outlet hose 33, a switch valve 32 is arranged on the water inlet hose 31, and the switch valve 32 can be a common tap water valve.

Working principle: the technical staff firstly places one end of cloth 22 to be dyed in a gap between two cleaning rollers 6, the surfaces of the two cleaning rollers 6 are contacted with the cloth 22 and are matched with the cloth 22 to compress the cloth 22, then the technical staff starts a first rotating motor 7, the first rotating motor 7 rotates to drive a first rotating shaft 5 connected with the first rotating motor to rotate, and then a first transmission belt 8 and the other first rotating shaft 5 are driven to rotate, and a sponge brush head on the surface of the cleaning roller 6 cleans the surface of the cloth 22.

The technician starts the hydraulic cylinder 18 to enable the movable end of the hydraulic cylinder 18 to retract, drives the first guide shaft 14 and the guide roller 16 sleeved on the first guide shaft 14 to move upwards, then places the cloth 22 after cleaning on the surface of the guide roller 16 sleeved on the second guide shaft 15 in sequence, then operates the hydraulic cylinder 18 to enable the movable end of the hydraulic cylinder 18 to extend out, drives the guide roller 16 sleeved on the first guide shaft 14 and the first guide shaft 14 to move downwards, cooperates with the guide roller 16 sleeved on the second guide shaft 15 to tightly abut against the cloth 22, and then carries out subsequent dyeing operation, in the dyeing process, the cloth 22 continuously passes through a channel between the guide rollers 16, so that the cloth 22 to be dyed is dyed along a fixed path, after placing the cloth 22 in a fixed position, the technician turns on the conveying pump 11, so that the dye in the dye box 9 is conveyed into the dyeing box 2 through the feed pipe 10 and the spray head 12, the dye conveyed into the dyeing box 2 is sprayed from the spray head 12 to 13, filtered by the spray 13, then falls into the dyeing box 2 to a higher level than the guide assembly, and then carries out subsequent dyeing operation on the cloth 22.

The technical staff wears out dyeing case 2 with cloth 22 after dyeing one end, place in the passageway between two extrusion cylinders 20 in the extrusion case 4, the clearance between the extrusion cylinders 20 can extrude cloth 22, the technical staff starts second rotation motor 23, second rotation motor 23 rotates and drives a second pivot 19 that it connects and rotate, and then drive another second pivot 19 through second driving belt 26 and rotate, and then make two extrusion cylinders 20 rotate, when driving the forward transport of cloth 22 after dyeing, extrude cloth 22, unnecessary dyestuff in the extrusion cloth 22, the dyestuff that is extruded when being extruded in extrusion case 4 after dyeing cloth 22 can drip in extrusion case 4 bottom, then discharge the extrusion pipe outside through blow off pipe 24, flow out and unify and collect the processing in the dirt collection case 25.

Then, a technician places one end of the extruded cloth 22 between two drying drums 28 in a drying box 37, and starts a third rotating motor 29, so that the third rotating motor 29 drives a third rotating shaft 27 connected with the third rotating motor to rotate, and further drives a third transmission belt and the other third rotating shaft 27 to rotate; a technician starts the blower 35 and opens the heating plate 36, so that the temperature of the air blown by the blower 35 is increased after passing through the heating plate 36, and the cloth 22 entering the drying box 37 is dried; a technician connects a water inlet hose 31 with a water inlet at one end of the drying drum 28, so that hot water in the hot water tank 30 flows into the hollow drying drum 28 through the water inlet hose 31, the temperature of the surface of the drying drum 28 is increased, the cloth 22 is dried when the hot water contacts the cloth 22, a water outlet at the other end of the drying drum 28 is connected with a water outlet hose 33 after the water temperature is reduced, and the water in the drying drum 28 flows out into a water collecting tank 34 through the water outlet hose; when hot water is not needed, the technician closes the on-off valve 32 to prevent water from flowing out, and when hot water is needed, the technician opens the on-off valve 32 to enable water to flow out of the hot water tank 30 through the water inlet hose 31.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (9)

1. The utility model provides a knitted fabric dyeing apparatus, includes mount table (1), its characterized in that: cleaning components, feeding components, a dyeing box (2), an extrusion box (4) and a drying box (37) are sequentially arranged on the mounting table (1) from left to right, a partition plate (38) is arranged inside the dyeing box (2), a guide component is arranged on the partition plate (38), two second rotating shafts (19) are arranged inside the extrusion box (4), an extrusion roller (20) is arranged on each second rotating shaft (19), a second transmission belt (26) is sleeved at the end part of each second rotating shaft (19), a second rotating motor (23) is arranged in each extrusion box (4), and the output end of each second rotating motor (23) is fixedly connected with one second rotating shaft (19); be provided with third pivot (27) in drying cabinet (37), it is equipped with drying drum (28) to rotate the cover on third pivot (27), drying drum (28) inside cavity, be provided with third rotation motor (29) in drying cabinet (37), the output of third rotation motor (29) and the one end fixed connection of third pivot (27), be provided with warm-air drying subassembly and warm-water drying subassembly in drying cabinet (37).

2. A knitted fabric dyeing apparatus according to claim 1, characterized in that: the cleaning assembly comprises a first rotating shaft (5), a cleaning roller (6) and a first rotating motor (7), wherein the mounting plate (3) is arranged on the mounting table (1), two parallel first rotating shafts (5) are rotatably arranged on the mounting plate (3), the cleaning roller (6) is fixedly arranged on the first rotating shaft (5), and a plurality of sponge brush heads are arranged on the surface of the cleaning roller (6); the first rotating motors (7) are fixedly arranged on the mounting table (1), the output ends of the first rotating motors (7) are fixedly connected with one first rotating shaft (5), and the end parts of the two first rotating shafts (5) are sleeved with first transmission belts (8).

3. A knitted fabric dyeing apparatus according to claim 1, characterized in that: the guide assembly comprises a chute (17), a first guide shaft (14), a second guide shaft (15) and a hydraulic cylinder (18), wherein the chute (17) is arranged on a partition plate (38), the first guide shaft (14) is arranged in the chute (17) in a sliding mode, the hydraulic cylinder (18) is arranged at the top of the dyeing box (2), the movable end of the hydraulic cylinder (18) is connected with the first guide shaft (14), the second guide shaft (15) is fixedly arranged below the first guide shaft (14), guide rollers (16) are sleeved on the first guide shaft (14) and the second guide shaft (15) in a rotating mode, and cloth (22) passes through gaps between the two guide rollers (16).

4. A knitted fabric dyeing apparatus according to claim 1, characterized in that: the feeding assembly comprises a dye box (9), a feed pipe (10) and a filter screen (13), wherein the dye box (9) is placed on an installation table (1), one end of the feed pipe (10) is connected with the dye box (9), one end of the feed pipe (10), far away from the dye box (9), penetrates through the side wall of the dye box (2) and stretches into the dye box (2), the filter screen (13) is detachably arranged on the side wall of the dye box (2) through bolts, a conveying pump (11) is arranged on the feed pipe (10), and a spray head (12) is arranged at the end part of the feed pipe (10), which stretches into the dye box (2).

5. A knitted fabric dyeing apparatus according to claim 1, characterized in that: the air heating drying assembly comprises a blower (35) and a heating plate (36), wherein the blower (35) is arranged at the bottom of the drying box (37), and the heating plate (36) is arranged between the blower (35) and the third rotating shaft (27).

6. A knitted fabric dyeing apparatus according to claim 1, characterized in that: the hot-water heating drying assembly comprises a hot water tank (30), a water inlet hose (31), a water outlet hose (33) and a water collecting tank (34), wherein the hot water tank (30) is arranged at the top of a drying box (37), the hot water tank (30) is used for containing hot water, the hot water tank (30) is connected with one end of a drying roller (28) through the water inlet hose (31), the water outlet hose (33) is connected with one end, far away from the water inlet hose (31), of the drying roller (28), the water outlet hose (33) extends out of the drying box (37), and the water collecting tank (34) is arranged on an installation table (1) below the water outlet hose (33).

7. A knitted fabric dyeing apparatus according to claim 1, characterized in that: the novel sewage treatment device is characterized in that a sewage draining pipe (24) is arranged at the bottom of the extrusion box (4), the sewage draining pipe (24) extends out of the extrusion box (4), and a sewage collecting box (25) is arranged on an installation table (1) below the sewage draining pipe (24).

8. A knitted fabric dyeing apparatus according to claim 1, characterized in that: the surface of the extrusion roller (20) is provided with a plurality of bulges (21).

9. The knitted fabric dyeing apparatus according to claim 6, wherein: the water inlet hose (31) is provided with a switch valve (32).