Coating device and coating method for anti-ultraviolet textile fabric

Abstract

The present invention relates to the field of textiles, and specifically to a coating device and coating method for anti-ultraviolet textile fabrics, which comprises: a coating tank, which is arranged on a frame; a coating mechanism, which is arranged in two groups on the frame, the two groups of coating mechanisms are distributed on the left and right and are located above the coating tank, the two groups of coating mechanisms share a coating tank, and the coating mechanisms on the left and right sides respectively complete the coating of both sides of the fabric; a coating adjustment mechanism, which is arranged on the frame, and the coating adjustment mechanism is used to synchronously adjust the coating thickness of the two groups of coating mechanisms; and a guide mechanism, which is arranged on the frame, and the guide mechanism is used to convey and guide the fabric. In the present invention, two groups of coating mechanisms for coating both sides of the fabric are integrated together, and share the coating tank, the mixing mechanism and the coating adjustment mechanism, which has a compact structure, greatly reduces the space occupied by the structure, and the coating adjustment mechanism can synchronously and quickly adjust the coating thickness of the two coating mechanisms, and is easy to use.

Description

Technical Field

[0001] The invention relates to the field of textiles, and in particular to a coating device and a coating method for anti-ultraviolet textile fabrics. Background Art

[0002] In order to make textile fabrics resistant to ultraviolet rays, it is necessary to apply an anti-ultraviolet coating on the fabric. This process needs to be completed with the help of a coating device. The core components of conventional coating devices include a coating roller, a coating knife or a nozzle.

[0003] A Chinese patent application with publication number CN112604911A discloses a double-sided coating device, including a front coating device and a back coating device, wherein the front coating device is located below the back coating device. The invention provides a high-efficiency double-sided coating device capable of achieving double-sided coating on a coating line and a processing technology using the double-sided coating device.

[0004] However, the above disclosed solutions have the following shortcomings: the front coating device and the back coating device are two completely independent devices, which not only have many components and occupy a large space, but also cannot synchronously adjust the coating thickness of the front and back. Summary of the invention

[0005] The purpose of the present invention is to propose a coating device and a coating method for anti-ultraviolet textile fabrics in order to solve the problems that the front coating equipment and the back coating equipment in the background technology are independent of each other, have many components, occupy a large space, and cannot synchronously adjust the coating thickness on both sides.

[0006] On the one hand, the present invention provides a coating device for anti-ultraviolet textile fabrics, comprising a frame, a reel rotatably placed on the frame, and fabric released by the reel; and further comprising:

[0007] A paint tank is arranged on the frame, the top of the paint tank is open, and the paint tank contains anti-ultraviolet paint;

[0008] Two coating mechanisms are arranged on the frame. The two coating mechanisms are distributed on the left and right and are located above the coating tank. The two coating mechanisms share one coating tank. The coating mechanisms on the left and right sides respectively complete the coating on both sides of the fabric.

[0009] A coating adjustment mechanism is arranged on the frame, and is used to synchronously adjust the coating thickness of the two sets of coating mechanisms;

[0010] And a guide mechanism is arranged on the frame, the guide mechanism guides the cloth to be transported, so that the cloth passes through the left coating mechanism to be coated on one side, and then passes through the bottom of the frame and passes through another set of coating mechanisms to complete the coating on the other side.

[0011] Preferably, the coating mechanism includes a coating roller and a pressure roller rotatably arranged on a frame, and a metering roller rotatably arranged on a coating adjustment mechanism and a scraper assembly used in conjunction with the metering roller; a power device for driving the coating roller to rotate is arranged on the frame, the pressure roller is located directly above the coating roller, the cloth passes between the pressure roller and the coating roller, and the metering roller cooperates with the coating roller to quantitatively control the amount of coating applied to the cloth; the two metering rollers are located between the two coating rollers, and the coating adjustment mechanism adjusts the distance between the metering roller and the coating roller.

[0012] Preferably, the coating adjustment mechanism includes a support plate arranged on a frame, a rotating shaft rotatably arranged on the support plate, two inclined plates rotatably connected to the rotating shaft, and an adjustment component that drives the two inclined plates to rotate and change the size of the angle; the quantitative roller rotating shaft of the quantitative roller is rotatably connected to the bottom of the inclined plate, a mounting frame is arranged on the inclined plate, a motor is arranged on the mounting frame, and the output shaft of the motor is connected to the quantitative roller rotating shaft.

[0013] Preferably, the scraper assembly includes a scraper mounting frame arranged on both sides of the bottom of the inclined plate and a scraper arranged at the bottom of the scraper mounting frame; the scraper mounting frame is provided with a through hole for the metering roller shaft to pass through, and the scraper cooperates with the metering roller, and the scraper scrapes the paint on the surface of the metering roller and returns it to the paint tank.

[0014] Preferably, the adjustment assembly includes a lifting slide plate slidably arranged on the support plate in the vertical direction, a flat plate arranged on the top of the support plate, a lifting device vertically arranged between the flat plate and the lifting slide plate, and a U-shaped frame arranged at both ends of the bottom of the lifting slide plate, and the two ends of the bottom of the U-shaped frame are respectively rotatably connected to the two inclined plates.

[0015] Preferably, a calculation formula for the distance between the metering roller and the coating roller is formulated, and the following parameters are defined: coating thickness T, distance D between the metering roller and the coating roller, proportional constant K, coating viscosity , .

[0016] Preferably, it also includes a mixing mechanism for stirring and mixing the paint in the paint tank; the mixing mechanism includes a plurality of vertical mixing plates slidably arranged on the wall of the paint tank, a transverse plate arranged on the top of the plurality of mixing plates, and a radial rod arranged at the end of the rotating shaft of the metering roller; a strip groove is arranged on the top of the transverse plate, and two radial rods are arranged, the two radial rods are symmetrical about the rotating shaft of the metering roller, the radial rod leaves the strip groove after being inserted as it rotates, and continuously pushes the transverse plate to move back and forth as the radial rod rotates.

[0017] Preferably, the guiding mechanism includes a pre-coating guide roller and a post-coating guide roller rotatably arranged on a frame; one or more pre-coating guide rollers are provided, the pre-coating guide rollers are used to guide and convey the cloth to the two coating mechanisms, and multiple post-coating guide rollers are provided to convey the coated cloth out.

[0018] On the other hand, the present invention provides a coating method of a coating device for anti-ultraviolet textile fabric, comprising the following steps:

[0019] S1. Install the unwinding roller;

[0020] S2, one side of the cloth passes through the coating mechanism on the left side for coating;

[0021] S3, after coating on one side, the fabric enters another set of coating mechanisms through the guide mechanism to coat the other side of the fabric;

[0022] S4. The cloth is moved out through the guide mechanism.

[0023] Compared with the prior art, the present invention has the following beneficial technical effects: two groups of coating mechanisms for coating both sides of the cloth are integrated together, sharing a coating tank, a mixing mechanism and a coating adjustment mechanism, the structure is compact, and the space occupied by the structure is greatly reduced. The mixing mechanism can ensure the uniformity of the coating during the coating process and ensure the coating effect. The coating adjustment mechanism can synchronously and quickly adjust the coating thickness of the two coating mechanisms, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the structure of an embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of fabric conveying;

[0026] Figure 3 for Figure 1 Schematic diagram of some structures;

[0027] Figure 4 for Figure 3 Schematic diagram of the structure after removing the rack;

[0028] Figure 5 A schematic diagram of the structure of the hybrid mechanism.

[0029] : 1. frame; 2. unwinding device; 3. unwinding roller; 4. guide roller before coating; 5. guide roller after coating; 6. cloth; 7. coating roller; 8. pressure roller; 9. metering roller; 10. coating tank; 11. support plate; 12. rotating shaft; 13. sleeve ring; 14. inclined plate; 15. support rod; 16. sleeve; 17. mounting frame; 18. motor; 19. scraper mounting frame; 20. scraper; 21. flat plate; 22. lifting device; 23. lifting slide plate; 24. U-shaped frame; 25. metering roller rotating shaft; 26. radial rod; 27. mixing plate; 28. transverse plate; 29. ​​strip groove; 30. flow groove; 31. power device. DETAILED DESCRIPTION

[0030] Embodiment 1, as Figure 1-Figure 3As shown, the present invention proposes a coating device for anti-ultraviolet textile fabrics, comprising a frame 1, a reel 3 rotatably placed on the frame 1, and a fabric 6 released by the reel 3, a reel device 2 is arranged on the frame 1, the reel 3 is detachably arranged on the reel 2, and the reel 3 is provided with a rotational power by the reel 2; and further comprising:

[0031] A paint tank 10 is provided on the frame 1. The top of the paint tank 10 is open. The paint tank 10 contains anti-ultraviolet paint. A paint supply device is provided on the frame 1 to supply the anti-ultraviolet paint to the paint tank 10 to ensure that the paint in the paint tank 10 is always maintained at a suitable liquid level. The paint supply device is not shown in the figure. The paint supply device is conventional technology and includes a paint circulation system, a liquid level sensor and an automatic liquid replenishing device.

[0032] Two coating mechanisms are arranged on the frame 1. The two coating mechanisms are distributed on the left and right and are located above the coating tank 10. The two coating mechanisms share one coating tank 10. The coating mechanisms on the left and right sides respectively complete the coating on both sides of the cloth 6.

[0033] The coating adjustment mechanism is arranged on the frame and is located above the middle of the two coating mechanisms. The coating adjustment mechanism is used to synchronously adjust the coating thickness of the two groups of coating mechanisms.

[0034] And a guide mechanism is arranged on the frame 1, and the guide mechanism guides the cloth 6 to be transported so that the cloth 6 passes through the left coating mechanism to be coated on one side, and then passes through the bottom of the frame 1 and passes through another set of coating mechanisms to complete the coating on the other side.

[0035] Embodiment 2, as Figure 3-Figure 4 As shown, the present invention proposes a coating device for anti-ultraviolet textile fabrics. Compared with the first embodiment, this embodiment introduces the structure of the coating mechanism in detail.

[0036] The coating mechanism includes a coating roller 7 and a pressure roller 8 rotatably arranged on a frame 1, and a metering roller 9 rotatably arranged on a coating adjustment mechanism and a scraper assembly used in conjunction with the metering roller 9; a power device 31 for driving the coating roller 7 to rotate is arranged on the frame 1, the pressure roller 8 is located directly above the coating roller 7, the cloth 6 passes between the pressure roller 8 and the coating roller 7, and the metering roller 9 cooperates with the coating roller 7 to quantitatively control the amount of coating applied to the cloth 6; the two metering rollers 9 are located between the two coating rollers 7, and the coating adjustment mechanism adjusts the distance between the metering roller 9 and the coating roller 7; in this embodiment, the coating roller 7, the metering roller 9 and the pressure roller 8 in the coating mechanism on the left side all rotate counterclockwise, and the coating roller 7, the metering roller 9 and the pressure roller 8 in the coating mechanism on the right side all rotate clockwise.

[0037] Embodiment three, as Figure 4As shown, the present invention proposes a coating device for anti-ultraviolet textile fabrics. Compared with the second embodiment, this embodiment introduces the structure of the coating adjustment mechanism in detail.

[0038] The coating adjustment mechanism includes a support plate 11 vertically arranged on the frame 1, a rotating shaft 12 rotatably arranged on the support plate 11, two inclined plates 14 rotatably connected to the rotating shaft 12, and an adjustment component that drives the two inclined plates 14 to rotate and change the angle; the quantitative roller rotating shaft 25 of the quantitative roller 9 is rotatably connected to the bottom of the inclined plate 14, a mounting frame 17 is arranged on the inclined plate 14, a motor 18 is arranged on the mounting frame 17, and the output shaft of the motor 18 is connected to the quantitative roller rotating shaft 25; in an optional embodiment, a plurality of rings 13 are arranged on the rotating shaft 12, and the tops of the two inclined plates 14 are respectively connected to half the number of rings 13, and the tops of the two inclined plates 14 are provided with rotation avoidance grooves.

[0039] Furthermore, the scraper assembly includes a scraper mounting frame 19 arranged on both sides of the bottom of the inclined plate 14 and a scraper 20 arranged at the bottom of the scraper mounting frame 19; the scraper mounting frame 19 is provided with a through hole for the metering roller shaft 25 to pass through, and the scraper 20 cooperates with the metering roller 9, and the scraper 20 scrapes the paint on the surface of the metering roller 9 and returns it to the paint tank 10. In this embodiment, the scraper 20 in the coating mechanism on the left is located below the metering roller 9 and is inclined toward the lower right, and the scraper 20 in the coating mechanism on the right is located below the metering roller 9 and is inclined toward the lower left.

[0040] Furthermore, the adjustment component includes a lifting slide 23 slidably arranged on the support plate 11 along the vertical direction, a flat plate 21 arranged on the top of the support plate 11, a lifting device 22 vertically arranged between the flat plate 21 and the lifting slide 23, and a U-shaped frame 24 arranged at both ends of the bottom of the lifting slide 23. The two ends of the bottom of the U-shaped frame 24 are respectively rotatably connected to the two inclined plates 14. The angle between the two inclined plates 14 is changed by lifting and lowering the U-shaped frame 24, thereby changing the distance between the metering roller 9 and the coating roller 7. In an optional embodiment, a support rod 15 is arranged on the inclined plate 14 along its inclination direction, and a sleeve frame 16 is slidably sleeved on the support rod 15. A cross bar is rotatably arranged on the sleeve frame 16, and the bottom of the U-shaped frame 24 is connected to the cross bar.

[0041] Embodiment 4, as Figure 5 As shown, the present invention proposes a coating device for anti-ultraviolet textile fabrics. Compared with the third embodiment, this embodiment introduces the structure of the mixing mechanism in detail.

[0042] The mixing mechanism is used to stir and mix the paint in the paint tank 10; the mixing mechanism includes a plurality of vertical mixing plates 27 slidably arranged on the wall of the paint tank 10, a transverse plate 28 arranged on the top of the plurality of mixing plates 27, and a radial rod 26 arranged at the end of the metering roller shaft 25; a strip groove 29 is arranged on the top of the transverse plate 28, and two radial rods 26 are arranged, and the two radial rods 26 are symmetrical about the metering roller shaft 25. The radial rods 26 leave the strip groove 29 after being inserted as they rotate, and the transverse plate 28 is continuously pushed back and forth as the radial rods 26 rotate. A plurality of flow grooves 30 are arranged on the mixing plate 27. When the mixing plate 27 pushes the paint to move, part of the paint will pass through the flow groove 30 to form a flow, so that the paint in the paint tank 10 can be better mixed.

[0043] Embodiment 5, as Figure 2 As shown, the present invention proposes a coating device for anti-ultraviolet textile fabrics. Compared with the first embodiment, this embodiment introduces the structure of the guide mechanism in detail.

[0044] The guiding mechanism includes a pre-coating guide roller 4 and a post-coating guide roller 5 which are rotatably arranged on the frame 1; one or more pre-coating guide rollers 4 are provided, and the pre-coating guide rollers 4 are used to guide and convey the cloth to the two coating mechanisms; a plurality of post-coating guide rollers 5 are provided to convey the coated cloth out; in the present embodiment, one pre-coating guide roller 4 cooperating with the left coating mechanism is provided, and is located between the unwinding roller 3 and the coating mechanism; three post-coating guide rollers 5 cooperating with the left coating mechanism are provided, and the three post-coating guide rollers 5 guide one side of the coated cloth horizontally to the left, vertically downward and horizontally backward in turn; two pre-coating guide rollers 4 cooperating with the rear coating mechanism are provided, and the cloth horizontally transmitted from the left side is first guided to the upper left, and then horizontally guided to the left to enter the coating mechanism; two post-coating guide rollers 5 cooperating with the rear coating mechanism are provided, and the cloth coming out of the coating mechanism is first guided to the upper right, and then conveyed out horizontally to the right.

[0045] Embodiment 6, a coating device for anti-ultraviolet textile fabrics proposed by the present invention, compared with embodiment 2, this embodiment introduces in detail the method for calculating the distance between the metering roller 9 and the coating roller 7.

[0046] Define the following parameters: coating thickness T, distance D between metering roller 9 and coating roller 7, proportional constant K, coating viscosity , .

[0047] Let's take a specific example to illustrate the formula. Coating thickness T = 20um, proportional constant K = 2, coating viscosity =1000mPa.s. Substitute into the formula: , and D=100um is obtained. When the coating thickness needs to be changed, the distance D between the metering roller 9 and the coating roller 7 that is very close to the requirements can be quickly calculated according to the formula. Subsequently, it is verified whether the coating thickness meets the requirements based on detection. According to multiple verifications, in most cases, the coating thickness can accurately meet the requirements. In the rare case where the coating thickness requirements are not met, the error value does not exceed 10%. The distance D between the metering roller 9 and the coating roller 7 can be fine-tuned.

[0048] Embodiment 7, a method for coating an anti-ultraviolet textile fabric proposed by the present invention, using the coating device for the anti-ultraviolet textile fabric of embodiment 5, specifically comprises the following steps:

[0049] S1. Install the unwinding roller 3. Specifically, install the unwinding roller 3 on the unwinding device 2, and adjust the unwinding speed of the unwinding device 2 according to production requirements;

[0050] S2, the cloth 6 is coated on one side by the coating mechanism on the left side. Specifically, the cloth 6 is unwound from the unwinding roller 3 and passes through the pre-coating guide roller 4, and then passes between the pressure roller 8 and the coating roller 7. The coating roller 7 applies the coating to the cloth 6;

[0051] S3, after one side is coated, the cloth 6 enters another set of coating mechanisms through the guide mechanism, and the other side of the cloth 6 is coated. Specifically, the cloth 6 is guided and conveyed by three post-coating guide rollers 5, and then passes through two pre-coating guide rollers 4, and passes between the right pressure roller 8 and the coating roller 7, and the other side of the cloth 6 is coated by the coating roller 7;

[0052] S4. The cloth 6 is moved out through a guide mechanism. Specifically, the cloth 6 is guided out through two post-coating guide rollers 5 and used in conjunction with subsequent processes, such as a winding mechanism.

[0053] In summary, in the present invention, two groups of coating mechanisms for coating both sides of the cloth 6 are integrated together, sharing the coating tank 10, the mixing mechanism and the coating adjustment mechanism. The structure is compact, which greatly reduces the space occupied by the structure. The mixing mechanism can ensure the uniformity of the coating during the coating process and ensure the coating effect. The coating adjustment mechanism can synchronously and quickly adjust the coating thickness of the two coating mechanisms, which is easy to use.

[0054] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A coating device for anti-ultraviolet textile fabric, comprising a frame (1), a reel (3) rotatably placed on the frame (1), and fabric (6) released by the reel (3); characterized in that: Also includes: A paint tank (10) is arranged on the frame (1), the top of the paint tank (10) is open, and the paint tank (10) contains anti-ultraviolet paint; Two groups of coating mechanisms are arranged on the frame (1), the two groups of coating mechanisms are distributed on the left and right and are located above the coating tank (10), the two groups of coating mechanisms share one coating tank (10), and the coating mechanisms on the left and right sides respectively complete coating on both sides of the cloth (6); A coating adjustment mechanism is arranged on the frame, and is used to synchronously adjust the coating thickness of the two sets of coating mechanisms; and a guide mechanism, which is arranged on the frame (1), and which guides the cloth (6) for conveying and guiding, so that the cloth (6) passes through the left coating mechanism to be coated on one side, and then passes through the bottom of the frame (1) and passes through another set of coating mechanisms to complete coating on the other side; The coating mechanism comprises a coating roller (7) and a pressure roller (8) rotatably arranged on a frame (1), and a metering roller (9) rotatably arranged on a coating adjustment mechanism and a scraper assembly used in conjunction with the metering roller (9); a power device (31) for driving the coating roller (7) to rotate is arranged on the frame (1); the pressure roller (8) is located directly above the coating roller (7); the cloth (6) passes between the pressure roller (8) and the coating roller (7); the metering roller (9) cooperates with the coating roller (7) to quantitatively control the amount of coating applied to the cloth (6); the two metering rollers (9) are located between the two coating rollers (7); and the coating adjustment mechanism adjusts the distance between the metering roller (9) and the coating roller (7).

2. The coating device for anti-ultraviolet textile fabric according to claim 1, characterized in that: The coating adjustment mechanism comprises a support plate (11) arranged on a frame (1), a rotating shaft (12) rotatably arranged on the support plate (11), two inclined plates (14) rotatably connected to the rotating shaft (12), and an adjustment component for driving the two inclined plates (14) to rotate to change the size of an included angle; the quantitative roller rotating shaft (25) of the quantitative roller (9) is rotatably connected to the bottom of the inclined plate (14), a mounting frame (17) is arranged on the inclined plate (14), a motor (18) is arranged on the mounting frame (17), and an output shaft of the motor (18) is connected to the quantitative roller rotating shaft (25).

3. The coating device for anti-ultraviolet textile fabric according to claim 2, characterized in that: The scraper assembly comprises scraper mounting frames (19) arranged on both sides of the bottom of the inclined plate (14) and a scraper (20) arranged at the bottom of the scraper mounting frames (19); the scraper mounting frames (19) are provided with a through hole for a metering roller shaft (25) to pass through, and the scraper (20) cooperates with the metering roller (9) to scrape the paint on the surface of the metering roller (9) and return it to the paint tank (10).

4. The coating device for anti-ultraviolet textile fabric according to claim 2, characterized in that: The adjustment assembly comprises a lifting slide plate (23) slidably arranged on a support plate (11) in a vertical direction, a flat plate (21) arranged on the top of the support plate (11), a lifting device (22) vertically arranged between the flat plate (21) and the lifting slide plate (23), and a U-shaped frame (24) arranged at both ends of the bottom of the lifting slide plate (23), wherein both ends of the bottom of the U-shaped frame (24) are rotatably connected to the two inclined plates (14) respectively.

5. The coating device for anti-ultraviolet textile fabric according to claim 4, characterized in that: A calculation formula for the distance between the metering roller (9) and the coating roller (7) was developed, and the following parameters were defined: coating thickness T, distance D between the metering roller (9) and the coating roller (7), proportional constant K, coating viscosity , .

6. The coating device for anti-ultraviolet textile fabric according to claim 2, characterized in that: The invention also comprises a mixing mechanism for stirring and mixing the paint in the paint groove (10); the mixing mechanism comprises a plurality of vertical mixing plates (27) slidably arranged on the groove wall of the paint groove (10), a transverse plate (28) arranged on the top of the plurality of mixing plates (27), and a radial rod (26) arranged at the end of the quantitative roller shaft (25); a strip groove (29) is arranged on the top of the transverse plate (28); two radial rods (26) are arranged, and the two radial rods (26) are symmetrical about the quantitative roller shaft (25); the radial rods (26) leave the strip groove (29) after being inserted into the strip groove (29) as they rotate, and continuously push the transverse plate (28) to move back and forth as the radial rods (26) rotate.

7. The coating device for anti-ultraviolet textile fabric according to claim 1, characterized in that: The guide mechanism comprises a pre-coating guide roller (4) and a post-coating guide roller (5) rotatably arranged on a frame (1); one or more pre-coating guide rollers (4) are provided, and the pre-coating guide rollers (4) are used to guide and convey the cloth to the two coating mechanisms; and a plurality of post-coating guide rollers (5) are provided, and are used to convey the coated cloth out.

8. A method for coating an anti-ultraviolet textile fabric, using the anti-ultraviolet textile fabric coating device according to claim 1, characterized in that: The following steps are involved: S1, install the unwinding roller (3); S2, the cloth (6) is coated on one side by passing through the coating mechanism on the left side; S3, after coating on one side, the cloth (6) enters another set of coating mechanisms through the guide mechanism, and the other side of the cloth (6) is coated; S4. The cloth (6) is moved out through the guide mechanism.

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