Binder spraying device for preparing high-efficiency HEPA (High Efficiency Particulate Air) potassium permanganate composite filter material

Abstract

The utility model discloses a binder spraying device for preparing an efficient HEPA (High Efficiency Particulate Air) potassium permanganate composite filter material, which comprises a storage tank, a feeding pump, a feeding pipeline, a glue spraying gun, a gun rack, a hot air mechanism and a stirring mechanism, the hot air mechanism comprises an air heater, a first hot air pipeline, a first hot air coil, a second hot air pipeline, a second hot air coil, a third hot air pipeline and a hot air assembly, the hot air assembly comprises a hot air branch pipe and an air barrel, and a plurality of hot air openings are formed in the lower end of the air barrel. Hot air is introduced into a first hot air coil pipe, a second hot air coil pipe and a third hot air pipeline through a hot air blower, and a storage tank and a main feeding pipe are subjected to heat preservation and heating, so that a glue spraying gun can spray out hot melt glue with proper temperature; and the third hot air pipeline conveys hot air to the air duct, and the hot air is sprayed out from the hot air port, so that when the hot melt adhesive is sprayed to the supporting layer or the filtering layer, the high temperature is still kept, and the bonding effect of the supporting layer and the filtering layer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coating devices, in particular to an adhesive spraying device for preparing high-efficiency HEPA potassium permanganate composite filter materials. Background Art

[0002] Patent No. CN118001840A discloses an air purification material, its preparation method, and application. The multifunctional composite filter material is also known as a high-efficiency HEPA potassium permanganate composite filter material. The preparation method includes the following steps: (1) spraying a binder onto a support layer, and then evenly spreading the air purification material on the support layer; (2) spraying a binder onto a filter layer, and then bonding the binder and the air purification material to the support layer prepared in step (1) to form a sandwich-structured multifunctional composite filter material. The binder is generally a hot melt adhesive.

[0003] Existing hot melt adhesive spraying devices typically use a heating device to melt a hot melt adhesive block. A delivery pump then pumps the hot melt adhesive through a pipe to a glue gun, which then sprays the hot melt adhesive. However, the hot melt adhesive cools down continuously during transportation through the pipe. Especially in long pipes, the hot melt adhesive is relatively cold when it reaches the glue gun. When the hot melt adhesive is sprayed onto the support layer or filter layer, its temperature drops rapidly, resulting in poor bonding between the support layer and the filter layer. Utility Model Content

[0004] Based on this, it is necessary to provide a binder spraying device for preparing high-efficiency HEPA potassium permanganate composite filter materials in response to the above technical problems.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a binder spraying device for preparing high-efficiency HEPA potassium permanganate composite filter material, comprising a storage tank, a feeding pump, a feeding pipe, a glue gun, and a gun rack. The lower end of the storage tank is provided with a discharge port, the input end of the feeding pump is connected to the discharge port, the output end of the feeding pump is connected to the glue gun through a feeding pipe, the glue gun is distributed in a straight line and is fixedly installed on the gun rack, the feeding pipe comprises a main feeding pipe, a tee, a glue supply hose and a recovery pipe, the main feeding pipe is connected to the glue supply hose and the recovery pipe through the tee, the other end of the recovery pipe is connected to the storage tank, and valves are installed on the glue supply hose and the recovery pipe;

[0006] It also includes a hot air mechanism, which includes a hot air blower and a first hot air duct, a first hot air coil, a second hot air duct, a second hot air coil, and a third hot air duct connected in sequence. The output end of the hot air blower is connected to the first hot air duct, the first hot air coil is wound and installed on the storage tank, the second hot air coil is wound and installed on the main feeding pipe, and a hot air component corresponding to the glue gun is installed on the third hot air duct. The hot air component includes a hot air branch pipe and an air duct. The glue gun includes a nozzle. The air duct is fixedly installed on the nozzle. A number of hot air outlets are provided at the lower end of the air duct. The hot air outlets are circumferentially distributed around the nozzle. One end of the hot air branch pipe is connected to the third hot air duct, and the other end of the hot air branch pipe is connected to the air duct.

[0007] Preferably, the storage tank is provided with an interlayer, and a first electric heating wire is installed in the interlayer.

[0008] Preferably, it also includes a stirring mechanism, which includes a motor frame, a stirring motor, a stirring rod, a stirring blade, and a spiral blade. The motor frame is fixedly mounted on the top of the storage tank, the stirring motor is fixedly mounted on the motor frame, the stirring rod is rotatably connected to the storage tank through a bearing, the upper end of the stirring rod is connected to the output shaft of the stirring motor through a coupling, the lower end of the stirring rod is located in the storage tank and is sequentially provided with a stirring blade and a spiral blade from top to bottom, and the spiral blade moves in the discharge port.

[0009] Preferably, a feed port is provided on the top of the storage tank, and a feed cover is detachably mounted on the feed port.

[0010] Preferably, a liquid level switch is installed on the storage tank.

[0011] Preferably, the machine further comprises a frame, on which the storage tank, the hot air blower and the gear pump are all mounted.

[0012] Preferably, a duct temperature sensor and a second electric heating wire are installed at the input end of the third hot air duct.

[0013] Compared with the prior art, the present technical solution has at least one of the following beneficial effects: hot air is introduced into the first hot air coil, the second hot air coil, and the third hot air duct by the hot air blower to heat and insulate the storage tank and the main feed pipe, thereby preventing the temperature of the hot melt adhesive from dropping too low during transportation through the main feed pipe, and allowing the glue gun to spray hot melt adhesive at an appropriate temperature;

[0014] The third hot air duct transports the hot air to the air duct, and the hot air is ejected from the hot air outlet, so that the air temperature in the hot melt adhesive spraying path increases, avoiding the temperature dropping too quickly during the hot melt adhesive spraying process, so that the hot melt adhesive still maintains a high temperature when sprayed onto the support layer or the filter layer, thereby improving the bonding effect between the support layer and the filter layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a schematic structural diagram of an embodiment of the present utility model;

[0016] Figure 2 for Figure 1 A partial enlarged view of point A in the middle;

[0017] Figure 3 It is a cross-sectional view of the storage tank and the stirring mechanism;

[0018] Figure 4 It is a partial side view schematic diagram of the glue gun, glue supply hose, and hot air mechanism;

[0019] Figure 5 This is a bottom view of the glue gun and hot air mechanism;

[0020] In the figure, 1. storage tank; 11. discharge port; 12. interlayer; 13. first electric heating wire; 14. feed port; 15. liquid level switch; 2. feeding pump; 3. feeding pipe; 31. main feeding pipe; 32. tee; 33. glue supply hose; 34. recovery pipe; 35. valve; 4. glue gun; 41. nozzle; 5. gun rack; 6. hot air mechanism; 61. hot air blower; 62. first hot air duct; 63. first hot air coil; 64. second hot air duct; 65. second hot air coil; 66. third hot air duct; 67. hot air assembly; 671. hot air branch pipe; 672. air duct; 673. hot air outlet; 68. pipe temperature sensor; 69. second electric heating wire; 7. stirring mechanism; 71. motor frame; 72. stirring motor; 73. stirring rod; 74. stirring blade; 75. spiral blade; 8. frame. DETAILED DESCRIPTION

[0021] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] See also Figures 1 to 5, the embodiment of the present application provides a binder spraying device for preparing a high-efficiency HEPA potassium permanganate composite filter material, comprising a storage tank 1, a feeding pump 2, a feeding pipe 3, a glue gun 4, a gun rack 5, a hot air mechanism 6, and a stirring mechanism 7. The storage tank 1 is provided with a discharge port 11 at the lower end, the feeding pump 2 input end is connected to the discharge port 11, the feeding pump 2 is a gear pump, the feeding pump 2 output end is connected to the glue gun 4 through the feeding pipe 3, the glue gun 4 is distributed in a straight line and is fixedly installed on the gun rack 5, the feeding pipe 3 includes a main feeding pipe 31, a tee 32, a glue supply pipe 33 and a recovery pipe 34, the main feeding pipe 31 is connected to the glue supply pipe 33 and the recovery pipe 34 through the tee 32, the other end of the recovery pipe 34 is connected to the storage tank 1, and valves 35 are installed on the glue supply pipe 33 and the recovery pipe 34;

[0023] See also Figure 1 The hot air mechanism 6 includes a hot air blower 61 and a first hot air duct 62, a first hot air coil 63, a second hot air duct 64, a second hot air coil 65, and a third hot air duct 66 connected in sequence. The output end of the hot air blower 61 is connected to the first hot air duct 62. The first hot air coil 63 is wound around the storage tank 1. The second hot air coil 65 is wound around the main feeding pipe 31. The third hot air duct 66 is equipped with a hot air component 67 corresponding to the glue gun 4. Please refer to Figure 4 and Figure 5 The hot air assembly 67 includes a hot air branch pipe 671 and a wind tube 672. The glue gun 4 includes a nozzle 41. The wind tube 672 is fixedly installed on the nozzle 41. A plurality of hot air outlets 673 are provided at the lower end of the wind tube 672. The hot air outlets 673 are distributed in a circle around the periphery of the nozzle 41. One end of the hot air branch pipe 671 is connected to the third hot air duct 66, and the other end of the hot air branch pipe 671 is connected to the wind tube 672. The hot air blower 61 conveys hot air to the first hot air duct 62, the first hot air coil 63, the second hot air duct 64, the second hot air coil 65, and the third hot air duct 66 in sequence. The first hot air coil 63 insulates the storage tank 1 to ensure the temperature of the storage tank 1 and improve the heating efficiency of the hot melt adhesive; the second hot air coil 65 insulates the main feeding pipe 31 to prevent the temperature of the hot melt adhesive from dropping too low during the transportation process of the main feeding pipe 31; the third hot air duct 66 conveys hot air to the air duct 672, and the hot air is sprayed out from the hot air outlet 673, which can form a hot air flow around the nozzle 41 of the glue gun 4, and can reduce the temperature drop rate during the hot melt adhesive spraying process, especially when the external ambient temperature is low, so that the hot melt adhesive can still maintain a high temperature when sprayed onto the support layer or the filter layer, thereby improving the bonding effect between the support layer and the filter layer.

[0024] To facilitate heating of the hot melt adhesive mass within storage tank 1, storage tank 1 is provided with an interlayer 12, within which a first electric heating wire 13 is mounted. When energized, first heating wire 13 generates heat, thereby heating the hot melt adhesive mass within storage tank 1. After first heating wire 13 has finished heating the hot melt adhesive mass, it can be de-energized, and hot air blower 61 flows hot air to first hot air coil 63, which insulates and heats storage tank 1.

[0025] See also Figure 3 The stirring mechanism 7 includes a motor frame 871, a stirring motor 72, a stirring rod 73, a stirring blade 74, and a spiral blade 75. The motor frame 871 is fixedly mounted on the top of the storage tank 1, and the stirring motor 72 is fixedly mounted on the motor frame 871. The stirring rod 73 is rotatably connected to the storage tank 1 via a bearing. The upper end of the stirring rod 73 is connected to the output shaft of the stirring motor 72 via a coupling. The lower end of the stirring rod 73 is located in the storage tank 1 and is sequentially installed with a stirring blade 74 and a spiral blade 75 from top to bottom. The spiral blade 75 moves in the discharge port 11. When the first electric heating wire 13 heats the hot melt adhesive, the stirring motor 72 drives the stirring rod 73 to rotate, and the stirring rod 73 drives the stirring blade 74 and the spiral blade 75 to rotate. The spiral blade 75 pushes the material in the discharge port 11 upward, and the stirring blade 74 stirs the material in the storage tank 1 so that the material is evenly heated.

[0026] To facilitate the addition of hot melt adhesive material into the storage tank 1, a feed port 14 is provided at the top of the storage tank 1, and a feed cap is detachably mounted on the feed port 14. The feed port 14 facilitates the addition of hot melt adhesive material into the storage tank 1, and the feed cap can be detachably connected to the feed port 14 by a threaded connection or by a cover.

[0027] In order to facilitate the detection of the lowest liquid level in the storage tank 1 and avoid insufficient hot melt adhesive, a liquid level switch 15 is installed on the storage tank 1. The liquid level switch 15 can detect the lowest liquid level in the storage tank 1.

[0028] For the convenience of fixing the storage tank 1, the hot air blower 61 and the gear pump, a frame 8 is also provided, and the storage tank 1, the hot air blower 61 and the gear pump are all mounted on the frame 8. The frame 8 supports and fixes the storage tank 1, the hot air blower 61 and the gear pump.

[0029] To prevent the hot air temperature in the third hot air duct 66 from being too low, which would prevent the hot melt adhesive from being heated during the ejection process, a duct temperature sensor 68 and a second electric heating wire 69 are installed at the input end of the third hot air duct 66. The duct temperature sensor 68 detects the hot air temperature in the third hot air duct 66. When the temperature is below a threshold, the second electric heating wire 69 is energized to heat the third hot air duct 66, thereby preventing the hot air temperature in the third hot air duct 66 from being too low.

[0030] The working principle of this embodiment is as follows:

[0031] When spraying is required, the valve 35 on the glue supply pipe 33 is opened, the valve 35 on the recovery pipe 34 is closed, and the hot air blower 61 and the feeding pump 2 are started. When the feeding pump 2 is working, the hot melt glue melted in the storage tank 1 is transported to the main feeding pipe 31. The main feeding pipe 31 transports the hot melt glue to the glue supply pipe 33 and the glue gun 4 through the tee 32, and the glue gun 4 sprays the hot melt glue;

[0032] The hot air blower 61 introduces hot air into the first hot air duct 62, the first hot air coil 63, the second hot air duct 64, the second hot air coil 65, and the third hot air duct 66 in sequence. The first hot air coil 63 insulates and heats the storage tank 1; the second hot air coil 65 insulates and heats the main feeding pipe 31 to prevent the temperature of the hot melt adhesive from dropping too low during the transportation process of the main feeding pipe 31, so that the glue gun 4 can spray out the hot melt adhesive with a suitable temperature; the third hot air duct 66 transports the hot air to the air duct 672, and the hot air is sprayed out from the hot air outlet 673, so that the air temperature in the hot melt adhesive spraying path increases, avoiding the temperature drop too fast during the hot melt adhesive spraying process, so that the hot melt adhesive still maintains a high temperature when it is sprayed onto the support layer or the filter layer, thereby improving the bonding effect between the support layer and the filter layer.

[0033] When spraying is temporarily stopped, the valve 35 on the glue supply pipe 33 is closed, and the valve 35 on the recovery pipe 34 is opened. The main feeding pipe 31 transports the hot melt adhesive to the recovery pipe 34 and the storage tank 1 through the tee 32, avoiding long-term heating and carbonization of the glue in the dead corner of the glue supply pipe 33, which is beneficial to the circulation of the glue.

[0034] It should be noted that those skilled in the art may make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be based on the appended claims.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0037] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

Claims

1. A binder spraying device for preparing a high-efficiency HEPA potassium permanganate composite filter material, comprising a storage tank (1), a feeding pump (2), a feeding pipe (3), a glue gun (4), and a gun rack (5), wherein a discharge port (11) is provided at the lower end of the storage tank (1), an input end of the feeding pump (2) is connected to the discharge port (11), and an output end of the feeding pump (2) is connected to the glue gun (4) through the feeding pipe (3), and the glue gun (4) is distributed in a straight line and fixedly mounted on the gun rack (5), characterized in that: The feeding pipeline (3) includes a main feeding pipe (31), a tee (32), a rubber supply pipe (33) and a recovery pipe (34). The main feeding pipe (31) is connected to the rubber supply pipe (33) and the recovery pipe (34) through the tee (32). The other end of the recovery pipe (34) is connected to the storage tank (1). Valves (35) are installed on the rubber supply pipe (33) and the recovery pipe (34). The hot air mechanism (6) further comprises a hot air blower (61) and a first hot air duct (62), a first hot air coil (63), a second hot air duct (64), a second hot air coil (65), and a third hot air duct (66) connected in sequence, wherein the output end of the hot air blower (61) is connected to the first hot air duct (62), the first hot air coil (63) is wound around the storage tank (1), the second hot air coil (65) is wound around the main feeding pipe (31), and the third hot air duct (66) is equipped with a nozzle. The glue gun (4) has a one-to-one corresponding hot air assembly (67), the hot air assembly (67) includes a hot air branch pipe (671) and a wind tube (672), the glue gun (4) includes a nozzle (41), the wind tube (672) is fixedly mounted on the nozzle (41), a plurality of hot air outlets (673) are provided at the lower end of the wind tube (672), and the hot air outlets (673) are distributed in a circular manner around the nozzle (41), one end of the hot air branch pipe (671) is connected to the third hot air duct (66), and the other end of the hot air branch pipe (671) is connected to the wind tube (672).

2. The binder spraying device for preparing high-efficiency HEPA potassium permanganate composite filter material according to claim 1, characterized in that: The storage tank (1) is provided with an interlayer (12), and a first electric heating wire (13) is installed in the interlayer (12).

3. The binder spraying device for preparing high-efficiency HEPA potassium permanganate composite filter material according to claim 2, characterized in that: The invention also includes a stirring mechanism (7), wherein the stirring mechanism (7) includes a motor frame (8) (71), a stirring motor (72), a stirring rod (73), a stirring blade (74), and a spiral blade (75). The motor frame (8) (71) is fixedly mounted on the top of the storage tank (1), and the stirring motor (72) is fixedly mounted on the motor frame (8) (71). The stirring rod (73) is rotatably connected to the storage tank (1) through a bearing. The upper end of the stirring rod (73) is connected to the output shaft of the stirring motor (72) through a coupling. The lower end of the stirring rod (73) is located in the storage tank (1) and is sequentially mounted with a stirring blade (74) and a spiral blade (75) from top to bottom. The spiral blade (75) moves in the discharge port (11).

4. The binder spraying device for preparing high-efficiency HEPA potassium permanganate composite filter material according to claim 3, characterized in that: The top of the storage tank (1) is provided with a feed port (14), and a feed cover is detachably mounted on the feed port (14).

5. The binder spraying device for preparing high-efficiency HEPA potassium permanganate composite filter material according to claim 1, characterized in that: A liquid level switch (15) is installed on the storage tank (1).

6. The binder spraying device for preparing high-efficiency HEPA potassium permanganate composite filter material according to claim 1, characterized in that: It also includes a frame (8), on which the storage tank (1), the hot air blower (61) and the gear pump are all mounted.

7. The binder spraying device for preparing high-efficiency HEPA potassium permanganate composite filter material according to claim 1, characterized in that: A duct temperature sensor (68) and a second electric heating wire (69) are installed at the input end of the third hot air duct (66).

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