Spraying device for producing water-repellent non-woven fabric

Abstract

The utility model relates to the technical field of non-woven fabric spraying, in particular to a spraying device for water-repellent non-woven fabric production. According to the technical scheme, the device comprises a device base, a dipping pool is formed in the upper end of the device base, a drying box is fixed to the upper end of the device base, guide wheel frames are fixed to the positions, located at the two ends of the dipping pool and the drying box, of the upper end of the device base, and a pair of pressing rollers is rotationally connected into the dipping pool; an injection pipe and a return pipe are fixed between the liquid storage tank and the dipping pool, a transverse plate is fixed on the guide wheel frame between the drying box and the dipping pool, and a through hole for non-woven fabric to penetrate through is formed in the transverse plate. According to the non-woven fabric dipping and spraying device, automatic dipping and spraying are achieved, meanwhile, the waterproof agent on the non-woven fabric can be scraped to different degrees by adjusting stretching and retracting of the telescopic plate and changing the angle between the telescopic plate and the fixing plate, the purpose of controlling the spraying thickness is achieved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of non-woven fabric spraying, in particular to a spraying device for producing water-repellent non-woven fabrics. Background Art

[0002] Water-repellent non-woven fabrics are usually sprayed with waterproof coatings in two main methods. The coating method is to apply the waterproofing agent in liquid form on the surface of the non-woven fabric, which can be achieved by spraying, brushing or dipping. In the spraying method, the waterproofing agent is evenly sprayed on the surface of the non-woven fabric through a sprayer to form a thin film. This method is suitable for small-area treatment and high-demand occasions, but the thickness and uniformity of the coating need to be controlled. The dipping method is to completely immerse the non-woven fabric in the waterproofing agent so that it can fully absorb the waterproofing agent, and then remove the excess coating by pressing or squeezing, and finally form a waterproof coating. This method is suitable for large-area treatment and occasions with less stringent requirements, and can achieve one-time treatment of the entire non-woven fabric.

[0003] In the production process of non-woven fabrics, the dipping method is often used for spraying. In this case, the automatic assembly line spraying operation of non-woven fabrics is an important embodiment of ensuring the production speed of non-woven fabrics. At the same time, the dipping method is difficult to control the spraying thickness of non-woven fabrics, resulting in different batches of water-repellent non-woven fabrics. When processing, it is impossible to perform corresponding processing according to demand. Therefore, it is necessary to design a dipping spraying equipment that can adjust the spraying thickness. Utility Model Content

[0004] The utility model aims to solve the problems existing in the background technology and proposes a spraying device for producing water-repellent nonwoven fabrics.

[0005] The technical solution of the utility model: a spraying device for producing water-repellent non-woven fabrics, comprising an equipment base, an immersion tank is provided at the upper end of the equipment base, a drying box is fixed at the upper end of the equipment base, guide wheel frames are fixed at the upper end of the equipment base and at both ends of the immersion tank and the drying box, a pair of pressure rollers are rotatably connected in the immersion tank, a liquid storage tank is fixed in the equipment base and below the immersion tank, an injection pipe and a return pipe are fixed between the liquid storage tank and the immersion tank, a horizontal plate is fixed on the guide wheel frame between the drying box and the immersion tank, a through hole is provided on the horizontal plate for non-woven fabrics to pass through, a fixed plate is fixed in the through hole, a telescopic plate is slidably connected in the through hole, and a driving component for driving the telescopic plate to slide is provided in the horizontal plate and at a position corresponding to the telescopic plate.

[0006] Preferably, the driving assembly includes a driving groove and a transmission groove, the driving groove is opened in the horizontal plate and is aligned with the telescopic plate, a sliding plate is slidably connected in the driving groove, a threaded rod is rotatably connected in the driving groove, an end of the threaded rod is threadedly connected in the sliding plate, and the end of the telescopic plate is located in the driving groove and fixed to the sliding plate.

[0007] Preferably, the transmission groove is opened in the horizontal plate and is located on the side of the driving groove away from the through hole, the end of the threaded rod extends into the transmission groove and is fixed with a transmission bevel gear, the upper side wall of the transmission groove is rotatably connected with a driving bevel gear meshing with the transmission bevel gear, the upper end of the horizontal plate is rotatably connected with a rotating plate, and the rotating plate and the driving bevel gear are fixed by a connecting shaft.

[0008] Preferably, a pair of guide rods are fixed in the driving groove, and the guide rods are inserted into the sliding plate and are slidably connected to the sliding plate.

[0009] Preferably, rubber heads are fixed to the ends of the fixed plate and the telescopic plate.

[0010] Preferably, a cover plate is fixed at the opening at the upper end of the immersion tank, a liquid level sensor is fixed at the bottom of the cover plate, a liquid pump is fixed on the injection pipe, a solenoid valve is fixed on the return pipe, a sieve plate is fixed in the immersion tank, the end of the injection pipe is located above the sieve plate, and the end of the return pipe is located at the bottom of the immersion tank.

[0011] Compared with the prior art, the utility model has the following beneficial technical effects: while realizing automated dipping and spraying, by adjusting the telescopic plate and changing the angle between the telescopic plate and the fixed plate, the waterproofing agent on the non-woven fabric can be scraped off to different degrees, thereby achieving the purpose of spraying thickness control and increasing the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the front cutaway structure of the utility model;

[0013] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0014] Figure 3 It is a schematic diagram of the combined structure of the fixed plate and the telescopic plate of the utility model.

[0015] Figure numerals: 1. Equipment base; 2. Immersion tank; 21. Pressing roller; 22. Cover plate; 3. Liquid storage tank; 31. Injection pipe; 32. Reflux pipe; 33. Liquid pump; 34. Liquid level sensor; 35. Screen plate; 4. Guide wheel frame; 5. Drying box; 6. Horizontal plate; 61. Perforation; 62. Telescopic plate; 63. Fixed plate; 64. Rubber head; 7. Drive groove; 71. Sliding plate; 72. Threaded rod; 73. Transmission groove; 74. Transmission bevel gear; 75. Rotating plate; 76. Drive bevel gear; 77. Guide rod. DETAILED DESCRIPTION

[0016] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] Example

[0018] like Figure 1-3 As shown, the utility model proposes a spraying device for producing water-repellent non-woven fabrics, including an equipment base 1, an immersion tank 2 is provided at the upper end of the equipment base 1, a drying box 5 is fixed at the upper end of the equipment base 1, a guide wheel frame 4 is fixed at the upper end of the equipment base 1 and at both ends of the immersion tank 2 and the drying box 5, a pair of pressing rollers 21 are rotatably connected in the immersion tank 2, a liquid storage tank 3 is fixed in the equipment base 1 and below the immersion tank 2, an injection pipe 31 and a return pipe 32 are fixed between the liquid storage tank 3 and the immersion tank 2, a horizontal plate 6 is fixed on the guide wheel frame 4 between the drying box 5 and the immersion tank 2, and a hole for non-woven fabrics to pass through is provided on the horizontal plate 6. A perforation 61 is provided, in which a fixed plate 63 is fixed, in which a telescopic plate 62 is slidably connected, in which the horizontal plate 6 and at a position corresponding to the telescopic plate 62 is provided a driving component for driving the telescopic plate 62 to slide, and rubber heads 64 are fixed to the ends of the fixed plate 63 and the telescopic plate 62, a cover plate 22 is fixed to the opening at the upper end of the immersion tank 2, a liquid level sensor 34 is fixed to the bottom of the cover plate 22, a liquid pump 33 is fixed to the injection pipe 31, a solenoid valve is fixed to the reflux pipe 32, a sieve plate 35 is fixed in the immersion tank 2, the end of the injection pipe 31 is located above the sieve plate 35, and the end of the reflux pipe 32 is located at the bottom of the immersion tank 2.

[0019] The driving assembly includes a driving groove 7 and a transmission groove 73. The driving groove 7 is opened in the horizontal plate 6 and is aligned with the telescopic plate 62. A sliding plate 71 is slidably connected in the driving groove 7. A threaded rod 72 is rotatably connected in the driving groove 7. The end of the threaded rod 72 is threadedly connected in the sliding plate 71. The end of the telescopic plate 62 is located in the driving groove 7 and is fixed to the sliding plate 71. The transmission groove 73 is opened in the horizontal plate 6 and is located on the side of the driving groove 7 away from the through hole 61. The end of the threaded rod 72 extends into the transmission groove 73 and is fixed with a transmission bevel gear 74. The upper side wall of the transmission groove 73 is rotatably connected with a driving bevel gear 76 that meshes with the transmission bevel gear 74. The upper end of the horizontal plate 6 is rotatably connected with a rotating plate 75. The rotating plate 75 and the driving bevel gear 76 are fixed by a connecting shaft. A pair of guide rods 77 are fixed in the driving groove 7. The guide rods 77 are inserted into the sliding plate 71 and are slidably connected to the sliding plate 71.

[0020] In this embodiment, the entire device is first connected to an external power source, and the non-woven fabric can be passed through the immersion tank 2 by pressing the pressure roller 21 downward. After immersion and spraying, the non-woven fabric enters the drying box 5 for drying. During this process, if the liquid level in the immersion tank 2 drops, it will be monitored by the liquid level sensor 34, and the solvent in the liquid storage tank 3 can be injected into the immersion tank 2 by using the liquid pump 33 to ensure that the non-woven fabric between the non-woven fabric pressure roller 21 is always below the liquid surface. After the work is completed, the solenoid valve can be opened to discharge the solution in the immersion tank 2 into the liquid storage tank 3 for collection, thereby reducing solution contamination, and the sieve plate 35 can be used to reduce the wind of pollutants entering the liquid storage tank 3. In danger, after the non-woven fabric is dipped and extends out of the immersion tank 2, it will pass through the perforation 61, and at this time pass between the fixed plate 63 and the telescopic plate 62 to scrape more of the surface than the immersion tank 2. In the process again, the extension and contraction of the telescopic plate 62 will cause the angles of the fixed plate 63 and the end of the telescopic plate 62 to change, and then there will be a certain change in the extrusion force on the non-woven fabric, wherein a smaller scraper angle will result in a thinner coating, thereby achieving control of the coating thickness. In this case, it is only necessary to rotate the rotating plate 75 to drive the driving bevel gear 76 to rotate, and then use the transmission of the transmission bevel gear 74 to make the threaded rod 72 rotate, and finally drive the sliding plate 71 and the telescopic plate 62 to be telescopically driven.

[0021] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A spraying device for producing water-repellent nonwoven fabrics, comprising an equipment base (1), characterized in that: The upper end of the equipment base (1) is provided with an immersion tank (2), the upper end of the equipment base (1) is fixed with a drying box (5), the upper end of the equipment base (1) and at both ends of the immersion tank (2) and the drying box (5) are fixed with guide wheel frames (4), the immersion tank (2) is rotatably connected with a pair of pressing rollers (21), the equipment base (1) is fixed with a liquid storage tank (3) below the immersion tank (2), and an injection nozzle (24) is fixed between the liquid storage tank (3) and the immersion tank (2). A tube (31) and a return tube (32) are provided, a horizontal plate (6) is fixed on the guide wheel frame (4) between the drying box (5) and the immersion tank (2), a through hole (61) is provided on the horizontal plate (6) for non-woven fabric to pass through, a fixed plate (63) is fixed in the through hole (61), a telescopic plate (62) is slidably connected in the through hole (61), and a driving component for driving the telescopic plate (62) to slide is provided in the horizontal plate (6) and at a position corresponding to the telescopic plate (62).

2. A spraying device for producing water-repellent nonwoven fabric according to claim 1, characterized in that: The driving assembly comprises a driving groove (7) and a transmission groove (73); the driving groove (7) is arranged in the transverse plate (6) and is aligned with the telescopic plate (62); a sliding plate (71) is slidably connected in the driving groove (7); a threaded rod (72) is rotatably connected in the driving groove (7); an end of the threaded rod (72) is threadedly connected in the sliding plate (71); an end of the telescopic plate (62) is located in the driving groove (7) and is fixed to the sliding plate (71).

3. A spraying device for producing water-repellent nonwoven fabric according to claim 2, characterized in that: The transmission groove (73) is formed in the transverse plate (6) and is located on a side of the driving groove (7) away from the through hole (61). The end of the threaded rod (72) extends into the transmission groove (73) and is fixed with a transmission bevel gear (74). The upper side wall of the transmission groove (73) is rotatably connected with a driving bevel gear (76) meshing with the transmission bevel gear (74). The upper end of the transverse plate (6) is rotatably connected with a rotating plate (75). The rotating plate (75) and the driving bevel gear (76) are fixed via a connecting shaft.

4. A spraying device for producing water-repellent nonwoven fabric according to claim 2, characterized in that: A pair of guide rods (77) are fixed in the driving groove (7), and the guide rods (77) are inserted into the sliding plate (71) and are slidably connected to the sliding plate (71).

5. A spraying device for producing water-repellent nonwoven fabric according to claim 1, characterized in that: Rubber heads (64) are fixed to the ends of the fixed plate (63) and the telescopic plate (62).

6. A spraying device for producing water-repellent nonwoven fabric according to claim 1, characterized in that: A cover plate (22) is fixed at the upper opening of the immersion tank (2), a liquid level sensor (34) is fixed at the bottom of the cover plate (22), a liquid pump (33) is fixed on the injection pipe (31), a solenoid valve is fixed on the return pipe (32), a sieve plate (35) is fixed in the immersion tank (2), an end of the injection pipe (31) is located above the sieve plate (35), and an end of the return pipe (32) is located at the bottom of the immersion tank (2).

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