A yarn uniform dyeing apparatus and a dyeing method

Abstract

The present application relates to a kind of yarn even dyeing equipment and dyeing method, comprising: device body, the inside of the device body is provided with dye pool;Stirring portion, the inside of the dye pool is located at the stirring portion, the stirring portion includes driving mechanism and first gear;Two groups of knock components, the top of the stirring portion is located at the knock component, two groups of the knock component mirror image is set, and the knock component is used to repeatedly knock yarn.The present application is rotated by the driving mechanism of being set and first gear, and the dye inside dyeing pool is stirred, and sediment is mixed sufficiently, so that dyeing is more uniform, and driving mechanism drives extruding head to move up and down in extruding groove, and dyeing wheel is extruded to the yarn passing through extruding groove, and the dyeing liquid on the yarn is extruded and separated, and is introduced into dyeing liquid again to absorb dyeing liquid sufficiently, dyeing is carried out to the inner core of yarn, improves the overall dyeing effect of yarn, and yarn dyeing is more uniform.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of yarn dyeing, in particular to a yarn uniform dyeing equipment and dyeing method. BACKGROUND

[0002] In Chinese patent application No. 202011408344.8, a yarn dyeing device with uniform dyeing is disclosed, which comprises a dyeing box, a dye tank is fixedly installed on the top of the dyeing box, a driving motor is arranged on the outer side of the upper end of the dye tank, a rotating disc is fixedly installed on the output end of the driving motor, a rotating rod is arranged on the outer surface of the rotating disc, a connecting rod is rotatably connected to one end of the rotating rod, an agitating plate is slidably arranged in the inner cavity of the dye tank, and a through groove is formed through the upper end of the dye tank. The cooperation of the rotating disc, the rotating rod and the connecting rod enables the agitating plate to realize the cyclic reciprocating up-down movement, thereby improving the working efficiency of the agitating plate and ensuring the uniformity of the dye. The dye is uniformly sprayed on the yarn through the atomizing nozzle, and when the coloring of one side of the yarn is completed, the dyeing roller can be driven to turn over the yarn for the next coloring work, thereby further improving the uniformity of the yarn dyeing.

[0003] This dyeing device uniformly sprays dye on the yarn through the atomizing nozzle, and when the coloring of one side of the yarn is completed, the dyeing roller can be driven to turn over the yarn for the next coloring work, thereby further improving the uniformity of the yarn dyeing. However, this dyeing device is not convenient for dyeing the inner core of the yarn, which can easily cause the yarn surface to be colored too dark and the inner core of the yarn to be colored too light, resulting in uneven dyeing. In addition, it is not convenient to clean the flocculent substances in the dyeing tank, which can cause the flocculent substances to adhere to the yarn, affecting the dyeing effect. SUMMARY

[0004] The purpose of the present application is to provide a yarn uniform dyeing equipment and dyeing method.

[0005] In order to solve the above technical problems, the present application provides a yarn uniform dyeing equipment and dyeing method, which comprises: a device body, a dye tank is arranged in the inside of the device body; an agitating part is arranged in the inside of the dye tank, the agitating part comprises a driving mechanism and a first gear; two groups of knocking assemblies are arranged on the top of the agitating part, the two groups of knocking assemblies are mirror image arranged, and the knocking assemblies are used for repeatedly knocking the yarn; an extrusion assembly comprises an outer shell body installed on the top of the dye tank, an extrusion groove arranged in the inside of the outer shell body, an extrusion head installed in the inside of the extrusion groove, and extrusion wheels installed on both sides of the extrusion head; wherein the first gear drives the extrusion head to move up and down along the extrusion groove, and the extrusion wheels extrude the dye on the yarn to separate the dye from the yarn.

[0006] Further, the opening end of the extrusion groove is downward, the inner top of the extrusion groove is provided with a first wire wheel, the inner side wall of the extrusion groove is provided with a first wire groove, the bottom of the first wire groove is provided with an arc surface, a support rod is fixed in the inside of the extrusion groove, a liquid spraying pipe is fixed at the bottom of the support rod, and the bottom of the liquid spraying pipe is provided with an opening, and a plurality of spray heads are arranged at the top of the liquid spraying pipe.

[0007] Further, the top of the extrusion head is fixed with a silica gel cylinder, the inside of the silica gel cylinder can store dye, the periphery of the silica gel cylinder is provided with a ring groove, a plurality of wheel grooves are arranged on both sides of the extrusion head, the extrusion wheels are located in the inside of the wheel grooves, and the extrusion wheels protrude from the opening end of the wheel grooves; the bottom of the extrusion head is fixed with a first rack, and the two sides of the first rack are provided with teeth; wherein the first rack moves upward, the extrusion wheels extrude the yarn along the first wire groove, and the silica gel cylinder is inserted into the liquid spraying pipe to spray the dye in the silica gel cylinder from the spray heads.

[0008] Further, the driving mechanism comprises a motor installed on one side of the device body, two groups of second gears meshing with each other installed on the axial end of the motor, and a rotating shaft installed on one side of the second gears; the first rack is located between the two groups of rotating shafts; the first gears are mirror image arranged on the rotating shafts, and the first gears are arranged in a fan shape; wherein the motor drives the first gears to rotate, and the first gears drive the first rack to move downward.

[0009] Further, a second wire groove is arranged between the adjacent first gears.

[0010] Further, the inside of the first gear is provided with a filtering cavity, the filtering cavity is provided with an opening at both ends, a filtering screen is installed in the inside of the filtering cavity, one side of the filtering screen is provided with a fixing frame, one side of the fixing frame is provided with a filtering cover, and the filtering cover is arranged in a funnel shape; one side of the first gear is provided with a screw hole, and a positioning groove is arranged on the surface of the rotating shaft.

[0011] Further, the knocking assembly comprises a third gear and a knocking shell installed on the top of the rotating shaft, and a second rack installed in the inside of the knocking shell, one end of the second rack is provided with a knocking head, and the other end of the second rack and the inner bottom wall of the knocking shell are fixed with a first spring; a strip groove is arranged at the bottom of the knocking shell; the third gear is located at the bottom of the strip groove, and the third gear and the first gear are both incomplete gears; wherein the second gear drives the second rack to move left and right along the knocking shell.

[0012] Further, the bottom of the first rack is fixed with a sealing block; the bottom of the device body is provided with a liquid adding groove, one side of the liquid adding groove is provided with a liquid outlet hole, and the second spring is fixed between the sealing block and the bottom wall of the liquid adding groove.

[0013] Further, the two sides of the top of the dye pool are provided with second wire rollers, the top of the knocking shell is provided with a third wire roller, one side of the dye pool is provided with a drying pool, the inside of the drying pool is provided with an electric heating roller, and the other side of the drying pool is provided with a winding roller.

[0014] The application also provides a dyeing method of the yarn uniform dyeing equipment, which comprises the following steps:

[0015] S1: the first gear on the rotating shaft is driven to rotate by the starting motor to stir the dye in the dye pool and mix the sediments;

[0016] S2: the first rack is intermittently driven to move downward by the first gear, the first rack is reset to move upward when the first gear is not in contact with the first rack, the extruding head moves to the inside of the extruding groove, the extruding wheels on the two sides are inserted into the inside of the first wire groove to extrude the yarn, and the silica gel cylinder is inserted into the liquid spraying pipe to make the dyeing liquid sprayed out through the nozzle to spray and dye the yarn;

[0017] S3: then the extruded yarn is dyed again in the dye pool and dried in the drying pool, and is wound by the winding roller after drying.

[0018] The yarn uniform dyeing equipment and the dyeing method have the advantages that the dye in the dyeing pool is stirred by the rotation of the first gear driven by the driving mechanism, the sediments are fully mixed, the dyeing is more uniform, the extruding head is driven to move up and down in the extruding groove by the driving mechanism, the yarn passing through the extruding groove is extruded by the dyeing wheel, the dyeing liquid on the yarn is extruded and separated, the yarn is introduced into the dyeing liquid again to fully absorb the dyeing liquid and dye the inner core of the yarn, the overall dyeing effect of the yarn is improved, and the yarn dyeing is more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0019] The application will be further described below in combination with the drawings and examples.

[0020] Figure 1 is a perspective view of the preferred embodiment of the application;

[0021] Figure 2 is a front view of the preferred embodiment of the application;

[0022] Figure 3 is a perspective view of the preferred embodiment of the extruding assembly of the application;

[0023] Figure 4 is a schematic diagram of a preferred embodiment of the extrusion assembly of the present application in a cross-sectional view;

[0024] Figure 5 is a schematic diagram of a preferred embodiment of the extrusion assembly of the present application in a cross-sectional view; Figure 3 is a schematic diagram of a preferred embodiment of the extrusion assembly of the present application in a cross-sectional view;

[0025] Figure 6 is a schematic diagram of a preferred embodiment of the extrusion assembly of the present application in a cross-sectional view; Figure 3 is a schematic diagram of a preferred embodiment of the extrusion assembly of the present application in a cross-sectional view;

[0026] Figure 7 is a schematic diagram of a preferred embodiment of the extrusion assembly of the present application in a cross-sectional view;

[0027] Figure 8 is a schematic diagram of a preferred embodiment of the extrusion assembly of the present application in a cross-sectional view;

[0028] Figure 9 is a schematic diagram of a preferred embodiment of the extrusion assembly of the present application in a cross-sectional view;

[0029] Figure 10 is a schematic diagram of a preferred embodiment of the extrusion assembly of the present application in a cross-sectional view;

[0030] Figure 11 is a schematic diagram of a preferred embodiment of the extrusion assembly of the present application in a cross-sectional view.

[0031] in the figure:

[0032] 1, device body; 11, dye pool;

[0033] 2, stirring part; 21, driving mechanism; 211, motor; 212, second gear; 213, rotating shaft; 22, first gear; 23, second wire groove; 24, filtering cavity; 25, filter screen; 26, fixing frame; 27, filter cover; 28, screw hole; 29, positioning groove;

[0034] 3, knocking assembly; 31, third gear; 32, knocking shell; 33, second rack; 34, knocking head; 35, first spring; 36, slot;

[0035] 4, extrusion assembly; 41, outer shell; 411, extrusion groove; 412, first wire guide wheel; 413, first wire groove; 414, camber; 42, supporting rod; 421, liquid spraying pipe; 422, spraying head; 43, extrusion head; 431, extrusion wheel; 432, silica gel cylinder; 433, ring groove; 434, wheel groove; 435, extrusion ball; 44, first rack; 45, tooth;

[0036] 5, sealing block; 51, liquid adding groove; 52, liquid outlet hole; 53, second spring;

[0037] 6, second wire roller; 61, third wire roller; 62, drying pool; 63, electric heating roller; 64, winding roller. DETAILED DESCRIPTION

[0038] The present application will now be described in further detail with reference to the drawings. These drawings are simplified schematic illustrations of the basic structure of the present application and therefore only show the components relevant to the present application.

[0039] As Figures 1-11 shown, the yarn uniform dyeing equipment and dyeing method of the present application comprises: a device body 1, the inside of the device body 1 is provided with a dye pool 11; the two sides of the top of the dye pool 11 are provided with a second wire roller 6, the top of the knocking shell 32 is installed with a third wire roller 61, one side of the dye pool 11 is provided with a drying pool 62, the inside of the drying pool 62 is installed with an electric heating roller 63, the other side of the drying pool 62 is provided with a winding roller 64;

[0040] The device body 1 has the dye pool 11 and the drying pool 62 arranged side by side inside, the dyeing pool is used for coloring the yarn, the drying pool 62 is used for drying the yarn, the yarn enters the inside of the dyeing pool through the second wire roller 6, after coloring in the inside of the dye pool 11, the yarn is guided into the inside of the electric heating roller 63 of the drying pool 62 through the second wire roller to be heated and dried, and after drying is completed, the yarn is wound through the winding roller 64 on the top of the device body 1.

[0041] The stirring part 2 is located in the inside of the dye pool 11, the stirring part 2 comprises a driving mechanism 21 and a first gear 22; the extrusion assembly 4 comprises an outer shell 41 installed on the top of the dye pool 11, an extrusion groove 411 arranged in the inside of the outer shell 41, an extrusion head 43 installed in the inside of the extrusion groove 411, and an extrusion wheel 431 installed on the two sides of the extrusion head 43; the surface of the extrusion wheel 431 is provided with a plurality of extrusion balls 435, the extrusion balls 435 are arranged obliquely, the extrusion balls 435 are made of rubber, which prevents the yarn from being broken due to hard friction during extrusion, and better extrudes the yarn; wherein the first gear 22 rotates to drive the extrusion head 43 to move up and down along the extrusion groove 411, and the extrusion wheel 431 extrudes the dye on the yarn to separate the dye from the yarn.

[0042] The dye in the dye pool 11 is prone to deposition when the yarn is colored for a long time, resulting in uneven dyeing. Meanwhile, the yarn inside the interlaced yarn is not easy to color during dyeing, and is prone to uneven coloring. The driving mechanism 21 drives the first gear 22 to rotate to stir the dye in the dye pool, fully mixes the sediments, makes the dyeing more uniform, and drives the extrusion head 43 to move up and down in the extrusion groove 411. The dyed yarn is extruded through the extrusion groove 411, the dyeing liquid on the yarn is extruded and separated, and the yarn is introduced into the dyeing liquid again to fully absorb the dyeing liquid and dye the core of the yarn, improving the overall dyeing effect of the yarn and making the yarn dyeing more uniform.

[0043] The opening end of the extrusion groove 411 faces downward, the first wire guide wheel 412 is arranged on the inner top of the extrusion groove 411, the first wire guide groove 413 is arranged on the inner side wall of the extrusion groove 411, the arc surface 414 is arranged at the bottom of the first wire guide groove 413, the support rod 42 is fixed in the extrusion groove 411, the liquid injection pipe 421 is fixed at the bottom of the support rod 42, and the bottom of the liquid injection pipe 421 is open.

[0044] The extrusion groove 411 is a rectangular parallelepiped, the slot opening faces the dyeing liquid at the bottom, the arc surfaces 414 are arranged on the two sides of the opening of the extrusion groove 411, and the arc surfaces 414 are used for protecting the yarn to prevent the yarn from being excessively stretched and broken at the contact position with the wire guide groove. The yarn enters the first wire guide groove 413 through the arc surfaces 414, the first wire guide groove 413 is a groove shape, the first wire guide wheels 412 are located at the two corners of the groove bottom, the yarn can be guided, the support rod 42 is fixed on the side wall of the extrusion groove 411 and is used for fixing the liquid injection pipe 421 at the bottom, the bottom of the liquid injection pipe 421 is open and faces the same direction as the opening of the extrusion groove 411, the spray heads 422 are arranged at the top of the liquid injection pipe 421 and face the position of the yarn, and the sprayed dyeing liquid can be used for dyeing the yarn.

[0045] The top of the extrusion head 43 is fixed with the silica gel cylinder 432, the silica gel cylinder 432 can store dye, the ring groove 433 is arranged on the side of the silica gel cylinder 432, a plurality of wheel grooves 434 are arranged on the two sides of the extrusion head 43, the extrusion wheel 431 is located in the wheel groove 434, and the extrusion wheel 431 protrudes from the opening end of the wheel groove 434; the first rack 44 is fixed at the bottom of the extrusion head 43, and the teeth 45 are arranged on the two sides of the first rack 44; wherein the first rack 44 moves upward, the extrusion wheel 431 extrudes the yarn along the first wire guide groove 413; the silica gel cylinder 432 is inserted into the liquid injection pipe 421 and is used for spraying the dye in the silica gel cylinder 432 from the spray head 422.

[0046] The silicone tube 432 is made of rubber and has a certain deformation capacity. It should be noted that the normal height of the dyeing liquid is located close to the bottom of the outer shell 41. When the extrusion head 43 moves downward, the dyeing liquid can enter the inside of the silicone tube 432. When the extrusion head 43 moves upward, the silicone tube 432 is inserted into the inside of the liquid spraying pipe 421. The pipe wall of the liquid spraying pipe 421 is inserted into the inside of the ring groove 433, so that the silicone tube 432 has sufficient upward moving space in the inside of the liquid spraying pipe 421. When the silicone tube 432 moves to the top, the silicone tube 432 is deformed, and then the dyeing liquid is sprayed out through the spray head 422. The whole is similar to the principle of injection, so that the extruded yarn can be sprayed, and the spraying force can enter the inside of the yarn.

[0047] The driving mechanism 21 comprises a motor 211 mounted on one side of the device body 1, two sets of second gears 212 meshing with each other mounted on the axial end of the motor 211, and a rotating shaft 213 mounted on one side of the second gears 212; the first rack 44 is located between the two sets of rotating shafts 213; the first gear 22 is mirror image arranged on the rotating shaft 213, and the first gear 22 is arranged in a fan shape; wherein the motor 211 drives the first gear 22 to rotate, and the first gear 22 drives the first rack 44 to move downward.

[0048] The two sets of second gears 212 are driven by the motor 211 to rotate, the second gears 212 drive the rotating shaft 213 to rotate, the rotating shaft 213 is located in the inside of the dyeing liquid, and the rotating shaft 213 drives the surface-fixed first gear 22 to rotate when rotating, the first gear 22 can stir the dye in the inside of the dye pool 11, prevent the dye from depositing, and affect the dyeing effect. At the same time, the first gear 22 drives the first rack 44 to move downward when rotating, the two sets of first gears 22 drive the first rack 44 to move downward intermittently, the first rack 44 is reset and moves upward when the first gear 22 is not in contact with the first rack 44, at this time, the extrusion head 43 moves into the inside of the extrusion groove 411, the extrusion wheels 431 on both sides are inserted into the inside of the first wire groove 413, the yarn is extruded, the dye in the inside of the yarn is extruded, and at the same time, the silicone tube 432 is inserted into the inside of the liquid spraying pipe 421, so that the dyeing liquid is sprayed out through the spray head 422, and the yarn after being extruded at the top is sprayed.

[0049] The second wire groove 23 is arranged between the adjacent first gears 22, and the second wire groove 23 is arranged between the first gears 22 on the same side of the rotating shaft 213, so that the yarn can be guided, and each group of yarns can be arranged separately, so that the yarns can be prevented from rubbing and breaking, and the broken yarns can be easily found.

[0050] The first gear 22 is internally provided with a filter cavity 24 which is open at both ends, the filter cavity 24 is internally provided with a filter screen 25, one side of the filter screen 25 is provided with a fixing frame 26, one side of the fixing frame 26 is provided with a filter cover 27, the filter cover 27 is funnel-shaped, one side of the first gear 22 is provided with a threaded hole 28, the surface of the rotating shaft 213 is provided with a positioning groove 29, the thread and impurities adhered to the surface of the yarn enter the dyeing pool to form flocculation,

[0051] Because the surface of the yarn is easy to adhere to impurities or burrs, it is easy to contaminate the liquid in the dye pool 11, so that more flocculation is generated in the dye pool 11, which affects dyeing, by arranging the filter cavity 24 in the first gear 22, the filter cavity 24 is open at both ends, so that the filter screen 25 can pass through the filter cavity 24, and the fixing frame 26 is clamped in the positioning groove 29, and the filter screen 25 is fixed in the filter cavity 24 by using the bolt passing through the filter frame and the threaded hole 28, and the filter cover 27 is arranged on the fixing frame 26, so that the flocculation and impurities entering the filter screen 25 are prevented from being separated again, the flocculation in the dye pool 11 is collected in the filter screen 25 by rotating the first gear 22, so that the flocculation in the dyeing pool can be cleaned, and the dyeing effect is improved.

[0052] Two groups of knocking assemblies 3 are arranged at the top of the stirring part 2, the two groups of knocking assemblies 3 are mirror images, the knocking assembly 3 is used for repeatedly knocking the yarn, the knocking assembly 3 comprises a third gear 31 and a knocking shell 32 which are arranged at the top of the rotating shaft 213, and a second rack 33 which is arranged in the knocking shell 32, one end of the second rack 33 is provided with a knocking head 34 which is made of rubber and can reduce the hard friction with the yarn to prevent the yarn from being broken, the other end of the second rack 33 is fixed with a first spring 35 between the inner bottom wall of the knocking shell 32; a groove 36 is formed in the bottom of the knocking shell 32; the third gear 31 is located at the bottom of the groove 36, and the third gear 31 and the first gear 22 are both incomplete gears; wherein the second gear 212 drives the second rack 33 to move left and right along the knocking shell 32.

[0053] By setting the knocking assembly 3 can be used to knock the yarn into the dye pool 11 inside the yarn, the surface of the complex and flocculation is knocked down, prevent it from adhering to the yarn, resulting in part of the yarn position can not be dyed, through the rotation of the first gear 22, the third gear 31 is driven to rotate, the third gear 31 passes through the strip groove 36, drives the second rack 33 in the knocking shell 32 to move to the inside of the knocking shell 32, and compresses the second spring 53, when the first gear 22 is not in contact with the third gear 31, the third gear 31 resets due to its own gravity, and the second spring 53 pushes the second rack 33 to reset, so that the knocking head 34 at the end of the rack knocks the yarn, and part of the yarn is in the liquid in the dye pool 11, part of the yarn is outside the liquid in the dye pool 11, the resistance generated can better knock off the impurities, and the yarn is intermittently knocked in this way, the dyeing quality of the yarn is improved.

[0054] The bottom of the first rack 44 is fixed with a sealing block 5; the bottom of the device body 1 is provided with a liquid adding groove 51, one side of the liquid adding groove 51 is provided with a liquid outlet hole 52, and the second spring 53 is fixed between the sealing block 5 and the bottom wall of the liquid adding groove 51.

[0055] By installing the liquid outlet hole 52 in the inside of the liquid adding groove 51, the liquid in the dye pool 11 can be intermittently added, the sealing block 5 at the bottom of the first rack 44 is inserted into the inside of the liquid adding groove 51, the sealing block 5 can move up and down in the inside of the liquid adding groove 51, when the sealing block 5 moves upward, the liquid outlet hole 52 is closed, and the liquid adding is stopped, when the sealing block 5 moves downward, the liquid outlet hole 52 is closed, and the liquid adding is carried out, so that intermittent liquid adding is realized, the first gear 22 drives the first rack 44 to move downward intermittently, and the second spring 53 is compressed, when the first gear 22 is not in contact with the first rack 44, the spring pushes the first rack 44 to reset, so that the first rack 44 moves upward, and the upward power is provided for the first rack 44.

[0056] The application also provides a dyeing method of the yarn uniform dyeing equipment, which comprises the following steps:

[0057] S1: the starting motor 211 drives the first gear 22 on the rotating shaft 213 to rotate, the dye in the dye pool 11 is stirred, and the deposited dye is mixed;

[0058] S2: the first gear 22 drives the first rack 44 to move downward intermittently, when the first gear 22 is not in contact with the first rack 44, the first rack 44 resets and moves upward, the extrusion head 43 moves to the inside of the extrusion groove 411, the extrusion wheels 431 on the two sides are inserted into the inside of the first wire groove 413 and extrude the yarn, and the silica gel cylinder 432 is inserted into the liquid jet pipe 421, so that the dyeing liquid is sprayed out through the spray head 422 and the yarn is sprayed and colored.

[0059] S3: The squeezed yarn is then dyed again in the dye tank 11 and dried in the drying tank 62, and after drying, is wound by the winding roller 64.

[0060] The above is the ideal embodiment of the present application, and the above description can be varied and modified without departing from the scope of the present application. The technical scope of the present application is not limited to the content of the specification, and must be determined by the scope of the claims.

Claims

1. An apparatus for uniform dyeing of yarns, characterized in that, Include: The device body (1), the inside of the device body (1) is provided with a dye pool (11); The stirring part (2) is located inside the dye pool (11), the stirring part (2) includes a driving mechanism (21) and a first gear (22); Two groups of knocking components (3) are located at the top of the stirring part (2), two groups of the knocking components (3) are mirror image, the knocking components (3) are used for repeatedly knocking the yarn; The extrusion assembly (4) includes an outer shell (41) mounted on the top of the dye pool (11) and an extrusion groove (411) arranged inside the outer shell (41), and an extrusion head (43) mounted inside the extrusion groove (411) and an extrusion wheel (431) mounted on both sides of the extrusion head (43); Wherein the first gear (22) rotates to drive the extrusion head (43) to move up and down along the extrusion groove (411), and the extrusion wheel (431) extrudes the dye on the yarn to separate from the yarn; The opening end of the extrusion groove (411) faces downward, the inner top of the extrusion groove (411) is provided with a first wire guide wheel (412) on both sides, the inner side wall of the extrusion groove (411) is provided with a first wire guide groove (413), the bottom of the first wire guide groove (413) is provided with an arc surface (414), the inside of the extrusion groove (411) is fixed with a supporting rod (42), the bottom of the supporting rod (42) is fixed with a liquid spray pipe (421), the bottom opening of the liquid spray pipe (421) is provided, and the top of the liquid spray pipe (421) is provided with a plurality of spray heads (422); The top of the extrusion head (43) is fixed with a silica gel cylinder (432), the inside of the silica gel cylinder (432) can store dye, the periphery of the silica gel cylinder (432) is provided with a ring groove (433), and the two sides of the extrusion head (43) are provided with a plurality of wheel grooves (434), the extrusion wheel (431) is located inside the wheel groove (434), and the extrusion wheel (431) protrudes from the opening end of the wheel groove (434); The bottom of the extrusion head (43) is fixed with a first rack (44), and the two sides of the first rack (44) are provided with teeth (45); Wherein the first rack (44) moves upward, and the extrusion wheel (431) extrudes the yarn along the first wire guide groove (413); The silica gel cylinder (432) is inserted into the liquid spray pipe (421), and the dye in the silica gel cylinder (432) is sprayed out from the spray head (422); The driving mechanism (21) includes a motor (211) mounted on one side of the device body (1) and two groups of second gears (212) engaged with each other mounted on the axial end of the motor (211), and a rotating shaft (213) mounted on one side of the second gear (212); The first rack (44) is located between the two groups of rotating shafts (213); The first gear (22) is mirror image arranged on the rotating shaft (213), and the first gear (22) is arranged in a fan shape; The motor (211) drives the first gear (22) to rotate, and the first gear (22) drives the first rack (44) to move downward. Second guide grooves (23) are arranged between adjacent first gears (22). The first gear (22) is internally provided with a filter cavity (24) which is open at both ends, and a filter screen (25) is mounted in the filter cavity (24), one side of the filter screen (25) is provided with a fixing frame (26), and one side of the fixing frame (26) is provided with a filter cover (27) which is funnel-shaped. A screw hole (28) is arranged on one side of the first gear (22), and a positioning groove (29) is formed on the surface of the rotating shaft (213). The knocking assembly (3) comprises a third gear (31) and a knocking shell (32) mounted on the top of the rotating shaft (213), and a second rack (33) mounted in the knocking shell (32), one end of the second rack (33) is provided with a knocking head (34), and the other end of the second rack (33) is fixed with a first spring (35) between the inner bottom wall of the knocking shell (32). A groove (36) is formed in the bottom of the knocking shell (32). The third gear (31) is located at the bottom of the groove (36), and the third gear (31) and the first gear (22) are both incomplete gears. The second gear (212) drives the second rack (33) to move left and right along the knocking shell (32).

2. The yarn uniform dyeing equipment according to claim 1, wherein, A sealing block (5) is fixed to the bottom of the first rack (44); A liquid adding groove (51) is arranged at the bottom of the device body (1), a liquid outlet hole (52) is arranged on one side of the liquid adding groove (51), and a second spring (53) is fixed between the sealing block (5) and the bottom wall of the liquid adding groove (51).

3. The yarn uniform dyeing equipment according to claim 2, wherein, Second guide rollers (6) are arranged on both sides of the top of the dye tank (11), a third guide roller (61) is mounted on the top of the knocking shell (32), a drying tank (62) is arranged on one side of the dye tank (11), an electric heating roller (63) is mounted in the drying tank (62), and a winding roller (64) is arranged on the other side of the drying tank (62).

4. A dyeing method of the yarn uniform dyeing equipment according to any one of claims 1-3, comprising the following steps: S1: Start the motor (211) to drive the first gear (22) on the rotating shaft (213) to rotate, stir the dye in the dye tank (11), and mix the deposited dye. S2: the first gear (22) drives the first rack (44) to move downward intermittently, when the first gear (22) is not in contact with the first rack (44), the first rack (44) resets to move upward, the extrusion head (43) moves to the inside of the extrusion groove (411), the extrusion wheels (431) on both sides are inserted into the inside of the first guide groove (413) to extrude the yarn, and the silica gel cylinder (432) is inserted into the liquid jet pipe (421) to make the dyeing liquid sprayed out through the nozzle (422) to spray and dye the yarn; S3: then the extruded yarn enters the dyeing pool (11) again to be dyed, and is dried through the drying pool (62), and after drying is completed, is wound through the winding roller (64).

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