Dye liquor filtering device for polyester dyeing
By adopting a rotating ring and detachable filter plate structure in polyester dyeing equipment, combined with cylinder drive and spring block design, the problem of inconvenient cleaning plate replacement is solved, and rapid filter plate replacement and efficient filtration are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-03
Smart Images

Figure CN224077741U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of polyester dyeing equipment, and in particular to a dye liquor filtration device for polyester dyeing. Background Technology
[0002] Polyester dyeing is usually done with disperse dyes, and high-temperature and high-pressure dyeing machines are often used. When the dye liquor is circulated, it usually contains a lot of impurities, so it needs to be filtered.
[0003] In related technologies, please refer to the utility model patent with announcement number CN215289311U, which discloses a dye liquor filtration structure for an airflow dyeing machine, including a dyeing machine body and a filtration device. The filtration device includes a filter box, a reflux pump, a reflux pipe, and a removal mechanism. The filter box is connected to the dyeing machine body, the reflux pump is connected to the filter box, the reflux pipe is set on the reflux pump and connected to the dyeing machine body, and a first cleaning plate and a second cleaning plate are provided in the filter box. The removal mechanism is used to remove impurities from the dye liquor. The dye liquor flows into the filter box and is cleaned by the removal mechanism to remove impurities. The reflux pump transports the dye liquor back to the dyeing machine body, reducing impurities in the dye liquor and improving dyeing quality.
[0004] After a period of use, the first and second cleaning plates need to be disassembled and cleaned to ensure the filtration quality of the cleaning plates. However, the cleaning plates are usually fixed with bolts, and the manual disassembly and replacement of the cleaning plates is inconvenient and time-consuming, which reduces the efficiency of the dye liquor filtration operation. Utility Model Content
[0005] To address the inconvenience of cleaning plate replacement and the resulting reduction in filtration efficiency, this application provides a dye liquor filtration device for polyester dyeing.
[0006] The dye liquor filtration device for polyester dyeing provided in this application adopts the following technical solution:
[0007] A dye liquor filtration device for polyester dyeing includes a housing, a filter assembly inside the housing, the filter assembly including a rotating ring rotatably mounted inside the housing and a filter plate detachably mounted on the rotating ring, the rotating ring having several through holes for the dye liquor to pass through, the filter plate being located at the through holes of the rotating ring, a water inlet being provided at the top of the housing, a water inlet pipe connected to a dyeing machine being provided at the water inlet of the housing, and a drain pipe being provided at the bottom of the housing.
[0008] By adopting the above technical solution, the inlet pipe delivers the dye liquor into the tank through the inlet, filters it through the filter plate at the through hole of the rotating ring, and then sends it out through the drain pipe of the tank. Rotating the rotating ring adjusts the unused filter plate on the rotating ring to the inlet of the tank for the next filtration. At the same time, the used filter plate is removed and replaced, which facilitates quick replacement of the filter plate and reduces the time spent on replacing the filter plate.
[0009] Optionally, a surrounding plate is provided on the upward-facing side of the filter plate, the surrounding plate being distributed along the circumference of the filter plate, and the surrounding plate forming a filter groove on one side of the filter plate.
[0010] By adopting the above technical solution, during filtration, the enclosure will surround the filtered impurities in the filter groove on the upper side of the filter plate, making it easy to disassemble and clean them.
[0011] Optionally, a connecting sleeve is slidably installed on the housing at the water inlet, the connecting sleeve is slidably connected to the rotating ring at the through hole, the connecting sleeve is connected to the water inlet pipe, one side of the connecting sleeve abuts against one side of the filter plate's surrounding plate, and the housing is provided with a lifting component for driving the connecting sleeve to slide in a direction toward or away from the filter plate.
[0012] By adopting the above technical solution, the lifting component drives the connecting sleeve to one side to abut against one side of the filter plate's enclosure, directly connecting the dye liquor conveying part to the filter plate, reducing the probability of dye liquor seeping out through the rotating ring.
[0013] Optionally, the lifting component includes a cylinder and a push plate. The cylinder is mounted on the housing, and the push plate is located at one end of the cylinder piston rod. The push plate is connected to one end of the connecting sleeve.
[0014] By adopting the above technical solution, the cylinder drives the push plate to move, the push plate drives the connecting sleeve to move, and the connecting sleeve and the rotating ring are adjusted to be in a separated or connected state, making the adjustment operation convenient.
[0015] Optionally, the connecting sleeve is provided with a guide bar, and the housing is provided with a guide ring, with the guide bar and the guide ring being slidably connected.
[0016] By adopting the above technical solution, when the connecting sleeve moves, the guide bar moves along the guide ring of the housing to guide the movement of the connecting sleeve.
[0017] Optionally, the rotating ring is provided with an abutment strip at the through hole, and the filter plate is provided with an abutment groove on the side away from the surrounding plate. The abutment strip is inserted into the filter plate at the abutment groove, and the rotating ring is provided with a fixing member for limiting the position of the filter plate.
[0018] By adopting the above technical solution, during installation, the filter plate is placed at the abutment strip at the rotating ring through hole. At this time, the abutment strip is inserted into the abutment groove of the filter plate, limiting one side of the filter plate. At this time, the fixing part fixes the filter plate. When disassembling, it is only necessary to open the fixing part and then remove the filter plate. The disassembly and assembly of the filter plate is convenient.
[0019] Optionally, the fixing component includes a spring and a plug. The plug is slidably mounted on the rotating ring in a direction perpendicular to the moving direction of the filter plate. The spring is disposed on the rotating ring. One end of the plug is connected to the spring. The surrounding plate is provided with a slot, and the plug is inserted into the surrounding plate through the slot.
[0020] By adopting the above technical solution, the spring pushes the insert block into the slot of the enclosure to limit and fix the filter plate. When the filter plate needs to be disassembled, the insert block is pushed until the spring is compressed. At this time, the insert block separates from the slot of the enclosure, and then the filter plate is removed. The filter plate disassembly and assembly operation is convenient.
[0021] Optionally, a motor is provided at the bottom of the housing, and a connecting rod is rotatably installed inside the housing. The connecting rod is coaxially connected to the rotating ring and connected to the output shaft of the motor.
[0022] By adopting the above technical solution, the motor drives the connecting rod to rotate, which in turn drives the rotating ring to rotate, adjusting the position of the filter plate on the rotating ring, making the adjustment operation convenient.
[0023] In summary, this application includes at least one of the following beneficial technical effects:
[0024] 1. The inlet pipe delivers the dye solution into the chamber through the inlet. It is filtered by the filter plate at the through hole of the rotating ring and then discharged through the drain pipe of the chamber. Rotating the rotating ring adjusts the unused filter plate on the rotating ring to the inlet of the chamber for the next filtration. At the same time, the used filter plate is removed and replaced, which facilitates quick replacement of the filter plate and reduces the time spent on replacing the filter plate.
[0025] 2. The cylinder drives the push plate to move, and the push plate drives the connecting sleeve to move, adjusting the connecting sleeve to be separated from or connected to the rotating ring, making the adjustment operation convenient;
[0026] 3. The spring-driven insertion block is inserted into the slot of the enclosure, making the filter plate easy to install and remove. Attached Figure Description
[0027] Figure 1 This is a three-dimensional structural diagram of this application.
[0028] Figure 2 This is a cross-sectional view along the axis of the housing in this application.
[0029] Figure 3 This is a cross-sectional structural diagram of the inner side of the top of the box in this application.
[0030] Figure 4 This is a cross-sectional structural diagram of the rotating ring of this application located at the filter plate.
[0031] Figure 5 This is an enlarged cross-sectional structural diagram of part A of this application.
[0032] Those skilled in the art will understand that the elements in the accompanying drawings are shown for simplicity and clarity and are not necessarily drawn to scale. For example, the size and position of some elements in the drawings may be enlarged relative to other elements to aid in understanding the embodiments of the invention.
[0033] Reference numerals: 1. Housing; 11. Inlet; 12. Mounting port; 13. Cover plate; 14. Drain pipe; 15. Guide ring; 16. Motor; 17. Connecting rod; 2. Connecting sleeve; 21. Inlet pipe; 22. Guide bar; 3. Rotating ring; 31. Through hole; 32. Abutment bar; 33. Sliding hole; 4. Filter plate; 41. Enclosure plate; 411. Slot; 42. Filter tank; 43. Abutment groove; 5. Lifting component; 51. Cylinder; 52. Push plate; 6. Fixing component; 61. Spring; 62. Insert block. Detailed Implementation
[0034] The present application will be further described in detail below with reference to the accompanying drawings.
[0035] This application discloses a dye liquor filtration device for polyester dyeing, referring to... Figure 1 and Figure 2 The system includes a box body 1, which is cylindrical and vertically arranged. A semi-circular water inlet 11 is provided on the top of the box body 1. A connecting sleeve 2 is provided at the water inlet 11 on the box body 1. A water inlet pipe 21 is provided on the connecting sleeve 2 and is connected to the dyeing machine. A semi-circular mounting port 12 is provided on one side of the water inlet 11 on the box body 1. The mounting port 12 and the water inlet 11 are joined to form a circle. A cover plate 13 is rotatably installed on the box body 1 at the mounting port 12, which covers the mounting port 12. A drain pipe 14 is provided at the bottom of the box body 1.
[0036] Reference Figure 1 and Figure 2The housing 1 is equipped with a filter assembly, which includes a rotating ring 3 and a filter plate 4. The rotating ring 3 is rotatably installed inside the housing 1 and located below the inlet 11. The rotating ring 3 is arranged in a horizontal ring shape and is coaxial with the housing 1. The rotating ring 3 is provided with a through hole 31 that runs vertically through it. The cross-section of the through hole 31 is semi-circular. There are two through holes 31 that form a ring. The two through holes 31 are respectively distributed corresponding to the inlet 11 and the mounting port 12. The filter plate 4 is detachably installed at the bottom of the through hole 31 of the rotating ring 3.
[0037] Reference Figure 1 and Figure 2 A motor 16 is installed at the bottom of the housing 1. A connecting rod 17 is installed inside the housing 1 in a vertical direction. The top of the connecting rod 17 is fixedly connected to the rotating ring 3 on the same axis. The bottom of the connecting rod 17 is connected to the output shaft of the motor 16 on the same axis. The motor 16 drives the connecting rod 17 to rotate, which in turn drives the rotating ring 3 to rotate, thereby adjusting the position of the filter plate 4 on the rotating ring 3.
[0038] Reference Figure 2 and Figure 3 The inlet pipe 21 delivers the dye liquor to the box 1 through the inlet 11. The liquor is filtered by the filter plate 4 at the through hole 31 of the rotating ring 3, and then discharged through the drain pipe 14 of the box 1. The rotating ring 3 is rotated to adjust the unused filter plate 4 on the rotating ring 3 to the inlet 11 of the box 1 for the next filtration. At the same time, the cover plate 13 is opened to remove the used filter plate 4 for replacement, which facilitates quick replacement of the filter plate 4 and reduces the time spent on replacing the filter plate 4.
[0039] Reference Figure 1 and Figure 3 The connecting sleeve 2 slides vertically to the rotating ring 3 at the through hole 31. The connecting sleeve 2 is connected to the water inlet pipe 21, and the lower edge of the connecting sleeve 2 abuts against one side of the filter plate 4. A lifting component 5 is provided on the housing 1. The lifting component 5 includes a cylinder 51 and a push plate 52. The cylinder 51 is vertically mounted on the housing 1 and located on one side of the water inlet 11. The push plate 52 is horizontally mounted at one end of the piston rod of the cylinder 51 and is connected to one end of the connecting sleeve 2. The cylinder 51 drives the push plate 52 to move, and the push plate 52 drives the connecting sleeve 2 to move, adjusting the connecting sleeve 2 to be in a separated or connected state with the rotating ring 3.
[0040] Reference Figure 1 and Figure 3 The connecting sleeve 2 is provided with a vertical guide bar 22, and the housing 1 is provided with a horizontal guide ring 15. The guide bar 22 and the guide ring 15 are slidably connected. When the connecting sleeve 2 moves, the guide bar 22 moves along the guide ring 15 of the housing 1 to guide the movement of the connecting sleeve 2.
[0041] Reference Figure 3 and Figure 4A vertical pull rod is provided on the filter plate 4, and a surrounding plate 41 is vertically provided on the upward-facing side of the filter plate 4. The surrounding plate 41 is distributed in a semi-circular shape along the circumference of the filter plate 4, forming a filter groove 42 on the upward-facing side of the filter plate 4. During filtration, the surrounding plate 41 surrounds the filtered impurities in the filter groove 42 on the upper side of the filter plate 4, making it easy to disassemble and clean them. The downward-facing edge of the connecting sleeve 2 abuts against the upward-facing side of the surrounding plate 41 of the filter plate 4, directly connecting the dye liquor conveying part to the filter plate 4, reducing the probability of dye liquor seeping out through the rotating ring 3.
[0042] Reference Figure 4 and Figure 5 The rotating ring 3 is provided with an annular abutment strip 32 at the bottom of the through hole 31. The filter plate 4 is provided with an abutment groove 43 on the side away from the surrounding plate 41. The abutment strip 32 is inserted and connected to the filter plate 4 at the abutment groove 43. The rotating ring 3 is provided with a fixing member 6, which includes a spring 61 and a plug 62. The rotating ring 3 is provided with a sliding hole 33 along the horizontal direction and on the side facing the filter plate 4. The plug 62 is slidably installed at the sliding hole 33 of the rotating ring 3. The spring 61 is provided at the sliding hole 33 of the rotating ring 3. The plug 62 is connected to one end of the spring 61. The end of the spring 61 away from the plug 62 is connected to the bottom wall of the rotating ring 3 at the sliding hole 33. The surrounding plate 41 is provided with a slot 411. The plug 62 is inserted and connected to the surrounding plate 41 through the slot 411.
[0043] During installation, the filter plate 4 is placed at the abutment strip 32 at the through hole 31 of the rotating ring 3. At this time, the abutment strip 32 is inserted into the abutment groove 43 of the filter plate 4, limiting one side of the filter plate 4. The spring 61 pushes the insert block 62 into the slot 411 of the surrounding plate 41, limiting and fixing the filter plate 4. When it is necessary to remove the filter plate 4, push the insert block 62 until the spring 61 is compressed. At this time, the insert block 62 separates from the slot 411 of the surrounding plate 41, and then the filter plate 4 can be removed.
[0044] The implementation principle of the dye liquor filtration device for polyester dyeing in this application embodiment is as follows: the inlet pipe 21 transports the dye liquor to the box 1 through the inlet 11, filters it through the filter plate 4 at the through hole 31 of the rotating ring 3, and then sends it out through the drain pipe 14 of the box 1. The rotating ring 3 is rotated to adjust the unused filter plate 4 on the rotating ring 3 to the inlet 11 of the box 1 for the next filtration. At the same time, the cover plate 13 is opened to remove and replace the used filter plate 4.
[0045] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A dye liquor filtration device for polyester dyeing, comprising a housing (1), wherein a filtration assembly is disposed within the housing (1), characterized in that: The filter assembly includes a rotating ring (3) rotatably mounted inside the housing (1) and a filter plate (4) detachably mounted on the rotating ring (3). The rotating ring (3) is provided with several through holes (31) for the dye liquor to pass through. The filter plate (4) is located at the through holes (31) of the rotating ring (3). The top of the housing (1) is provided with a water inlet (11). The housing (1) is provided with a water inlet pipe (21) connected to the dyeing machine at the water inlet (11). The bottom of the housing (1) is provided with a drain pipe (14).
2. The dye liquor filtration device for polyester dyeing according to claim 1, characterized in that: The filter plate (4) has a surrounding plate (41) on its upward-facing side. The surrounding plate (41) is distributed along the circumferential direction of the filter plate (4) and surrounds one side of the filter plate (4) to form a filter groove (42).
3. The dye liquor filtration device for polyester dyeing according to claim 2, characterized in that: The housing (1) is slidably installed with a connecting sleeve (2) at the water inlet (11). The connecting sleeve (2) is slidably connected to the rotating ring (3) at the through hole (31). The connecting sleeve (2) is connected to the water inlet pipe (21). One side of the connecting sleeve (2) abuts against one side of the surrounding plate (41) of the filter plate (4). The housing (1) is provided with a lifting component (5) for driving the connecting sleeve (2) to slide in the direction toward or away from the filter plate (4).
4. The dye liquor filtration device for polyester dyeing according to claim 3, characterized in that: The lifting component (5) includes a cylinder (51) and a push plate (52). The cylinder (51) is mounted on the housing (1), and the push plate (52) is mounted at one end of the piston rod of the cylinder (51). The push plate (52) is connected to one end of the connecting sleeve (2).
5. A dye liquor filtration device for polyester dyeing according to claim 3, characterized in that: The connecting sleeve (2) is provided with a guide bar (22), and the housing (1) is provided with a guide ring (15). The guide bar (22) and the guide ring (15) are slidably connected.
6. A dye liquor filtration device for polyester dyeing according to claim 2, characterized in that: The rotating ring (3) is provided with an abutment strip (32) at the through hole (31), and the filter plate (4) is provided with an abutment groove (43) on the side away from the surrounding plate (41). The abutment strip (32) and the filter plate (4) are connected by insertion at the abutment groove (43). The rotating ring (3) is provided with a fixing member (6) for limiting the filter plate (4).
7. A dye liquor filtration device for polyester dyeing according to claim 6, characterized in that: The fixing component (6) includes a spring (61) and a plug (62). The plug (62) is slidably mounted on the rotating ring (3) in a direction perpendicular to the moving direction of the filter plate (4). The spring (61) is disposed on the rotating ring (3). The plug (62) is connected to one end of the spring (61). The enclosure plate (41) is provided with a slot (411). The plug (62) is inserted into the enclosure plate (41) through the slot (411).
8. A dye liquor filtration device for polyester dyeing according to claim 1, characterized in that: A motor (16) is provided at the bottom of the housing (1), and a connecting rod (17) is rotatably installed inside the housing (1). The connecting rod (17) is coaxially connected to the rotating ring (3), and the connecting rod (17) is connected to the output shaft of the motor (16).
Citation Information
Patent Citations
Dye liquor filtering structure of airflow dyeing machine
CN215289311U