Dyeing device

Abstract

The utility model relates to the technical field of dyeing equipment, in particular to a dyeing device. A dyeing device comprises a dyeing box and further comprises a circulating filtering box and a spraying structure, the dyeing box is communicated with the circulating filtering box through a circulating pipe, the circulating filtering box is used for filtering impurities in dye liquor in the dyeing box, a suction pump is arranged between the dyeing box and the circulating filtering box, and the spraying structure is arranged on the circulating filtering box. The pump is used for pumping dye liquor in the dyeing box into the circulating filter box, the spraying structure is used for spraying the dye liquor after impurities in the circulating filter box are filtered into the dyeing box, and the circulating filter box is communicated with the spraying structure through a return pipe. Compared with the prior art, the dyeing machine has the following effects that through the design of the circulating filtering box and the spraying structure, efficient filtering and uniform spraying of the dye liquor are achieved, the utilization rate of the dye liquor is increased, uniform dyeing is guaranteed, meanwhile, the use amount of the dye liquor is reduced, and the phenomenon of water resource waste is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of dyeing equipment, in particular to a dyeing device. BACKGROUND

[0002] Knitted hemp fabric, as a natural fiber, has good air permeability and comfort, and is widely used in the textile industry. Traditional dyeing processes usually need to go through multiple processes, such as pretreatment, bleaching, dyeing and finishing, etc. These processes not only take a long time, but also consume a lot of energy and cause great pressure on the environment. In recent years, with the enhancement of environmental awareness and the progress of technology, short-flow dyeing and dyeing technology has gradually attracted attention. This technology simplifies the process steps, reduces energy consumption, improves production efficiency, and reduces environmental pollution.

[0003] In the existing knitted hemp fabric dyeing equipment, common methods include immersion method, jet method and pad dyeing method, etc. The immersion method is to completely immerse the fabric in the dyeing liquid, and the dye penetrates into the fiber through long-time action. The jet method uses high-pressure nozzles to uniformly spray the dyeing liquid on the surface of the fabric. The pad dyeing method is to wrap the fabric around the roller, and the dyeing liquid is in full contact with the fabric by rotating the roller.

[0004] In order to ensure uniform dyeing, the immersion method is often used for dyeing, but the amount of dyeing liquid is large, which leads to serious waste of water resources. CONTENT OF THE UTILITY MODEL

[0005] In order to ensure uniform dyeing while reducing the amount of dyeing liquid and improving the waste of water resources, the application provides a dyeing device.

[0006] The dyeing device provided by the application adopts the following technical scheme: a dyeing box, a circulating filter box and a spraying structure are arranged, the dyeing box and the circulating filter box are connected through a flow pipe, the circulating filter box is used to filter impurities in the dyeing liquid in the dyeing box, a pump is arranged between the dyeing box and the circulating filter box, the pump is used to pump the dyeing liquid in the dyeing box into the circulating filter box, the spraying structure is used to spray the dyeing liquid filtered of impurities in the circulating filter box into the dyeing box, and the circulating filter box and the spraying structure are connected through a reflux pipe.

[0007] By adopting the above technical scheme, the efficient filtration and uniform spraying of the dyeing liquid are realized through the design of the circulating filter box and the spraying structure, the utilization rate of the dyeing liquid is improved, the amount of the dyeing liquid is reduced while ensuring uniform dyeing, and the waste of water resources is improved.

[0008] Preferably, the spraying structure is arranged above the dyeing box, the spraying structure comprises a plurality of spraying branch heads and a spraying main pipe, the length direction of the spraying main pipe is perpendicular to the running direction of the fabric in the dyeing box, and the plurality of spraying branch heads are arranged on the spraying main pipe at equal intervals along the length direction of the spraying main pipe, one end of the spraying branch head is connected with the spraying main pipe, and the other end of the spraying branch head faces the fabric in the dyeing box; the spraying main pipe is connected with one end of the return pipe.

[0009] By adopting the technical scheme, the plurality of spraying branch heads are arranged at equal intervals along the length direction of the spraying main pipe, so that the spraying range is increased, the dead angle is reduced, and the dyeing effect is improved.

[0010] Preferably, the dyeing box is provided with a rotating rod and a driving member, the length direction of the rotating rod is parallel to the length direction of the spraying main pipe, the spraying branch heads are arranged on the rotating rod in the radial direction of the rotating rod, and the driving member is used for driving the rotating rod to rotate along the axial direction of the rotating rod and is connected with the dyeing box.

[0011] By adopting the technical scheme, the spraying branch heads can swing along the axial direction of the rotating rod, so that the dyeing liquid spraying can cover the fabric in all directions.

[0012] Preferably, the dyeing box is provided with a sliding block on each side, the two ends of the rotating rod are rotatably connected with the two sliding blocks respectively, the driving member is arranged on one of the sliding blocks, one end of the rotating rod penetrates through the sliding block and is connected with the driving member, and the sliding block is slidably connected with the dyeing box in the running direction of the fabric in the dyeing box.

[0013] By adopting the technical scheme, the sliding block drives the spraying structure to slide synchronously in the running direction of the fabric in the dyeing box during the reciprocating sliding process, so that the spraying range of the dyeing liquid is expanded.

[0014] Preferably, a driving screw rod is arranged on the sliding block, the length direction of the driving screw rod is perpendicular to the length direction of the rotating rod, a screw rod motor for driving the driving screw rod to rotate is arranged on the dyeing box, the driving screw rod is axially fixedly connected with the dyeing box and is connected with the dyeing box in the circumferential direction, the driving screw rod is threadedly connected with the sliding block, a limiting guide rod is further arranged on the sliding block, the sliding block is slidably connected with the limiting guide rod, and the limiting guide rod is fixedly connected with the dyeing box.

[0015] By adopting the technical scheme, the sliding block slides in the running direction of the fabric in the dyeing box during the process in which the driving screw rod is driven to rotate by the screw rod motor because the driving screw rod is axially fixedly connected with the dyeing box, the driving screw rod is threadedly connected with the sliding block, and the limiting guide rod is arranged on the sliding block.

[0016] Preferably, a filtering assembly is arranged in the circulating filtering box, a flow-through hole is formed through the circulating filtering box and is communicated with the flow-through pipe, and the filtering assembly is located below the flow-through hole in the height direction of the circulating filtering box and used to filter impurities in the dye liquor entering the circulating filtering box.

[0017] By using the above technical scheme, the filtering assembly filters the impurities in the dye liquor, thereby improving the utilization rate of the dye liquor, reducing the amount of dye liquor, and improving the waste of water resources.

[0018] Preferably, the filtering assembly comprises a filtering drawer and a filtering screen, the filtering drawer is slidingly inserted into the circulating filtering box, the filtering screen is detachably connected with the filtering drawer, and the circulating filtering box is provided with a limiting piece for keeping the filtering drawer inserted into the circulating filtering box.

[0019] By using the above technical scheme, the filtering drawer is slidingly inserted into the circulating filtering box, which facilitates taking out, cleaning or replacing, the filtering screen is detachably connected with the filtering drawer, and different mesh screens can be selected according to actual needs.

[0020] Preferably, the limiting piece comprises a rotating limiting block and a limiting bolt, the limiting bolt is inserted through the rotating limiting block, the limiting bolt is threadedly connected with the outer wall of the filtering drawer after passing through the rotating limiting block, and the end of the rotating limiting block away from the limiting bolt is rotationally connected with the wall of the circulating filtering box.

[0021] By using the above technical scheme, the filtering drawer is kept inserted into the circulating filtering box by the rotating limiting block, which makes the insertion and extraction of the filtering drawer more convenient and fast.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. By designing the circulating filtering box and the spraying structure, efficient filtering and uniform spraying of the dye liquor are realized, the utilization rate of the dye liquor is improved, the amount of dye liquor is reduced, and the waste of water resources is improved.

[0024] 2. The spraying branch head can swing along the rotating rod axis reciprocally, thereby realizing all-around coverage of the dye liquor spraying on the fabric. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a schematic view of the overall structure of the present application;

[0026] Figure 2 is a schematic view of the overall structure of the present application;

[0027] Figure 3 isFigure 2 A partial enlarged view of the middle A part;

[0028] Figure 4 is a schematic view of the overall structure of the present application from above;

[0029] Figure 5 is Figure 4 is a schematic view of the middle A-A section.

[0030] Explanation of reference numerals: 110, dyeing tank; 111, mounting plate; 112, flow pipe; 113, suction pump; 114, return pipe; 115, dyeing roller; 120, circulating filter tank; 121, filter assembly; 122, filter drawer; 123, filter screen; 124, flow opening; 125, mounting strip; 126, mounting bolt; 127, limiting piece; 128, rotating limiting block; 129, limiting bolt; 130, spraying structure; 131, spraying branch head; 132, spraying main pipe; 140, rotating rod; 142, drive motor; 143, drive gear; 150, sliding block; 151, drive lead screw; 152, lead screw motor; 153, limiting guide rod. DETAILED DESCRIPTION

[0031] The present application is further described in detail below with reference to the accompanying drawings.

[0032] The present application discloses a dyeing device for ensuring uniform dyeing while reducing the amount of dyeing liquid and improving the waste of water resources.

[0033] Reference Figures 1-5 A dyeing device, comprising a dyeing tank 110, a circulating filter tank 120 and a spraying structure 130, in the embodiment, two mounting plates 111 are vertically arranged on the dyeing tank 110, the two mounting plates 111 are symmetrically arranged on the two sides of the dyeing tank 110 in the length direction, the spraying structure 130 is arranged between the two mounting plates 111, the dyeing tank 110 and the circulating filter tank 120 are connected in communication through a flow pipe 112, the circulating filter tank 120 is used for filtering impurities in the dyeing liquid in the dyeing tank 110, a suction pump 113 is arranged between the dyeing tank 110 and the circulating filter tank 120, the suction pump 113 is used for sucking the dyeing liquid in the dyeing tank 110 into the circulating filter tank 120, the spraying structure 130 is used for spraying the dyeing liquid filtered of impurities in the circulating filter tank 120 into the dyeing tank 110, the circulating filter tank 120 and the spraying structure 130 are connected in communication through a return pipe 114, realizing efficient filtering and uniform spraying of the dyeing liquid, improving the utilization rate of the dyeing liquid, ensuring uniform dyeing while reducing the amount of dyeing liquid and improving the waste of water resources.

[0034] Specifically, the dyeing box 110 is an open-top box, a plurality of dyeing rollers 115 are arranged in the dyeing box 110, the plurality of dyeing rollers 115 are staggered up and down in the dyeing box 110, a filtering assembly 121 is arranged in the circulating filtering box 120, a flow-through hole is formed in the circulating filtering box 120, the flow-through hole is in communication with the flow-through pipe 112, the filtering assembly 121 is located below the flow-through hole in the height direction of the circulating filtering box 120, the filtering assembly 121 comprises a filtering drawer 122 and a filter screen 123, the filtering drawer 122 is slidably inserted into the circulating filtering box 120, the filter screen 123 is detachably connected with the filtering drawer 122, the circulating filtering box 120 is provided with a limiting piece 127 for keeping the filtering drawer 122 inserted into the circulating filtering box 120, the limiting piece 127 comprises a rotating limiting block 128 and a limiting bolt 129, the limiting bolt 129 penetrates the rotating limiting block 128, the limiting bolt 129 is threadedly connected with the outer wall of the filtering drawer 122 after penetrating the rotating limiting block 128, and the end of the rotating limiting block 128 away from the limiting bolt 129 is rotationally connected with the wall of the circulating filtering box 120.

[0035] In the embodiment, a flow-through opening 124 is formed in the filtering drawer 122 in the vertical direction, the filter screen 123 is used for sealing the flow-through opening 124, mounting strips 125 are vertically arranged on the four sides of the filter screen 123, mounting bolts 126 are arranged on the mounting strips 125, the mounting bolts 126 are threadedly connected with the inner wall of the flow-through opening 124 after penetrating the mounting strips 125, thereby achieving the detachable connection between the filter screen 123 and the filtering drawer 122, and the limiting piece 127 is provided with two groups, and the two groups of limiting pieces 127 are symmetrically arranged on the wall of the circulating filtering box 120.

[0036] Further, the spraying structure 130 comprises a plurality of spraying branch heads 131 and a spraying main pipe 132, the length direction of the spraying main pipe 132 is perpendicular to the running direction of the fabric in the dyeing box 110, the plurality of spraying branch heads 131 are equidistantly and spacedly arranged on the spraying main pipe 132 in the length direction of the spraying main pipe 132, one end of the spraying branch head 131 is in communication with the spraying main pipe 132, the other end of the spraying branch head 131 faces the fabric in the dyeing box 110, the spraying main pipe 132 is in communication with one end of the backflow pipe 114, and the plurality of spraying branch heads 131 are equidistantly and spacedly arranged in the length direction of the spraying main pipe 132, so that the spraying range can be increased, the dead angle can be reduced, and the dyeing effect can be improved.

[0037] In order to realize the full coverage of the dye liquor spraying on the fabric, the rotating rod 140 is arranged on the dyeing box 110, the length direction of the rotating rod 140 is parallel to the length direction of the spraying main pipe 132, the spraying branch head 131 is radially arranged on the rotating rod 140, the driving part is used for driving the rotating rod 140 to rotate along the rotating rod 140 and is connected to the dyeing box 110, and the two sides of the dyeing box 110 are symmetrically provided with the sliding blocks 150, the two ends of the rotating rod 140 are respectively rotationally connected with the two sliding blocks 150, the driving part is arranged on one of the sliding blocks 150, one end of the rotating rod 140 penetrates through the sliding block 150 and is connected with the driving part, the sliding block 150 is reciprocatingly slidably connected to the dyeing box 110 along the running direction of the fabric in the dyeing box 110, and the driving part comprises a driving motor 142 and a driving gear 143, in the embodiment, one driving motor 142 corresponds to two driving gears 143, the two driving gears 143 are meshingly connected, one end of the driving gear 143 is coaxially connected with the output shaft of the driving motor 142, the other end is coaxially connected with the rotating rod 140, the driving gear 143 corresponds to the rotating rod 140, that is, each driving motor 142 can drive two rotating rods 140 to rotate, and the rotating directions of the two rotating rods 140 are opposite, the two driving gears 143 are embedded in the sliding block 150, the other end of the rotating rod 140 is rotationally connected with the other sliding block 150, and the sliding block 150 drives the spraying structure 130 to reciprocate synchronously in the process of reciprocating sliding along the running direction of the fabric in the dyeing box 110, thereby expanding the spraying coverage range of the dye liquor.

[0038] Specifically, the driving lead screw 151 is arranged on the sliding block 150, the length direction of the driving lead screw 151 is perpendicular to the length direction of the rotating rod 140, the dyeing box 110 is provided with a lead screw motor 152 for driving the driving lead screw 151 to rotate, the driving lead screw 151 is axially fixedly connected with the dyeing box 110 and rotationally connected with the dyeing box 110, the driving lead screw 151 is threadedly connected with the sliding block 150, the limiting guide rod 153 is further arranged on the sliding block 150, the sliding block 150 is slidably connected with the limiting guide rod 153, and the limiting guide rod 153 is fixedly connected with the dyeing box 110. Since the driving lead screw 151 is axially fixedly connected with the dyeing box 110, the driving lead screw 151 is threadedly connected with the sliding block 150 and the limiting guide rod 153 is arranged on the sliding block 150, so that the sliding block 150 slides along the running direction of the fabric in the dyeing box 110 in the process of driving the driving lead screw 151 to rotate by the lead screw motor 152.

[0039] Further, in order to further improve the dyeing effect, in the embodiment, each slider 150 corresponds to a driving lead screw 151, a lead screw motor 152 and a limiting guide rod 153, two sliders 150, two driving lead screws 151, two lead screw motors 152 and two limiting guide rods 153 are regarded as a sliding adjustment structure, and two sliding adjustment structures are arranged between the two mounting plates 111 in the vertical direction.

[0040] The implementation principle of the dyeing device in the embodiment of the application is as follows: through the design of the circulating filter box 120 and the spraying structure 130, efficient filtering and uniform spraying of the dyeing liquid are realized, the utilization rate of the dyeing liquid is improved, the use amount of the dyeing liquid is reduced while ensuring uniform dyeing, and the waste of water resources is improved; the filtering assembly 121 in the circulating filter box 120 can be easily pulled out for cleaning or replacement, and the persistence of the filtering effect is ensured; the design of the spraying structure 130 enables the dyeing liquid to be uniformly distributed on the surface of the cloth, and the quality and consistency of dyeing are improved; in addition, through the cooperation of the rotating rod 140 and the driving member, the spraying branch head 131 can freely swing within a certain range, the spraying range is expanded, dead angles are reduced, and the dyeing effect is further improved.

[0041] The embodiments of the specific implementation mode are the preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A dyeing apparatus, comprising a dyeing chamber (110), characterized in that: It also includes a circulating filter box (120) and a spray structure (130). The dyeing box (110) and the circulating filter box (120) are connected by a flow pipe (112). The circulating filter box (120) is used to filter impurities in the dyeing solution in the dyeing box (110). A pump (113) is provided between the dyeing box (110) and the circulating filter box (120). The pump (113) is used to pump the dyeing solution in the dyeing box (110) into the circulating filter box (120). The spray structure (130) is used to spray the dyeing solution after filtering impurities in the circulating filter box (120) into the dyeing box (110). The circulating filter box (120) and the spray structure (130) are connected by a return pipe (114).

2. The staining apparatus according to claim 1, characterized in that: The spray structure (130) is located above the dyeing box (110). The spray structure (130) includes multiple spray branch heads (131) and a spray main pipe (132). The length direction of the spray main pipe (132) is perpendicular to the direction of fabric travel in the dyeing box (110). The multiple spray branch heads (131) are equally spaced along the length direction of the spray main pipe (132). One end of the spray branch head (131) is connected to the spray main pipe (132), and the other end of the spray branch head (131) faces the fabric in the dyeing box (110). The spray main pipe (132) is connected to one end of the return pipe (114).

3. The dyeing apparatus according to claim 2, characterized in that: The dyeing box (110) is provided with a rotating rod (140) and a driving component. The length direction of the rotating rod (140) is parallel to the length direction of the spray main pipe (132). The spray branch head (131) is radially inserted through the rotating rod (140). The driving component is used to drive the rotating rod (140) to rotate axially and connect to the dyeing box (110).

4. The staining apparatus according to claim 3, characterized in that: The dyeing box (110) is symmetrically provided with sliders (150) on both sides. The two ends of the rotating rod (140) are rotatably connected to the two sliders (150) respectively. The driving component is provided on one of the sliders (150). One end of the rotating rod (140) passes through the slider (150) and is connected to the driving component. The slider (150) slides back and forth along the direction of fabric travel inside the dyeing box (110) and is connected to the dyeing box (110).

5. A staining apparatus according to claim 4, characterized in that: A drive screw (151) is threaded through the slider (150). The length direction of the drive screw (151) is perpendicular to the length direction of the rotating rod (140). A screw motor (152) for driving the drive screw (151) to rotate is provided on the dyeing box (110). The drive screw (151) is axially fixed and circumferentially rotatably connected to the dyeing box (110). The drive screw (151) is threadedly connected to the slider (150). A limiting guide rod (153) is also threaded through the slider (150). The slider (150) is slidably connected to the limiting guide rod (153). The limiting guide rod (153) is fixedly connected to the dyeing box (110).

6. The staining apparatus according to claim 1, characterized in that: The circulating filter box (120) is provided with a filter assembly (121). The circulating filter box (120) has a flow hole that is connected to the flow pipe (112). The filter assembly (121) is located below the flow hole along the height direction of the circulating filter box (120). The filter assembly (121) is used to filter impurities in the dye solution that enters the circulating filter box (120).

7. A staining apparatus according to claim 6, characterized in that: The filter assembly (121) includes a filter drawer (122) and a filter screen (123). The filter drawer (122) is slidably inserted into the circulating filter box (120). The filter screen (123) and the filter drawer (122) are detachably connected. The circulating filter box (120) is provided with a limiting member (127) for keeping the filter drawer (122) inserted into the circulating filter box (120).

8. A dyeing apparatus according to claim 7, characterized in that: The limiting component (127) includes a rotating limiting block (128) and a limiting bolt (129). The limiting bolt (129) passes through the rotating limiting block (128) and is threaded to the outer wall of the filter drawer (122). The end of the rotating limiting block (128) away from the limiting bolt (129) is rotatably connected to the wall of the circulating filter box (120).

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