PU adhesive drying production line for air PU plate filter production

Abstract

The utility model relates to the technical field of PU (Poly Urethane) glue drying, and provides a PU glue drying production line for air PU plate filter production, which comprises a support frame and a drying mechanism, in the PU glue drying production line, a plurality of heating rods are controlled by a temperature controller to continuously heat, the temperature is kept at a proper temperature for drying PU glue, and then a fan is started to dry the PU glue. External air enters the heating box through the air supply pipeline, the heated air is equalized by the second flow equalizing plate and then is fed into the protection box, and part of hot air exhausted from the protection box returns to the air inlet pipeline of the fan through the air inlet hopper and the connecting pipe, so that the purpose of preheating the external air and then heating the air is achieved. According to the technical scheme, the purpose of reducing heat waste is achieved while the PU glue is comprehensively and evenly dried, and the problems that in the prior art, the PU glue is not evenly dried, the production efficiency of the PU filter element air filter is affected, and a large amount of energy is consumed are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of PU glue drying, and specifically to a PU glue drying production line for producing air PU plate filters. Background Art

[0002] Air filter element is a kind of filter, also called air filter cartridge, air filter, style, etc. It is mainly used for air filtration in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operating rooms and various precision operating rooms. The commonly used air filters in engines mainly include inertial oil bath air filters, paper dry air filters, PU filter element air filters, etc. The PU glue needs to be dried during the production process of air PU plate filters.

[0003] In the existing production process of PU filter element air filters, the PU glue is not dried evenly, so that the PU glue takes a long time to be completely dried, which not only affects the production efficiency of the PU filter element air filter, but also causes a large amount of energy consumption.

[0004] Therefore, a PU glue drying production line for producing air PU plate filters is proposed. Utility Model Content

[0005] The utility model proposes a PU glue drying production line for producing air PU plate filters, which solves the problem that the PU glue in the related technology is not dried evenly, so that the PU glue takes a long time to be completely dried, which not only affects the production efficiency of the PU filter element air filter, but also causes a large amount of energy consumption.

[0006] The technical solution of the utility model is as follows:

[0007] A PU glue drying production line for producing air PU plate filters, comprising a support frame for supporting, a conveyor belt is arranged on the support frame, and further comprising:

[0008] The drying mechanism comprises a protective box, a fan and a drying component. The conveyor belt on the support frame is provided with several groups of arranged and distributed limiting mechanisms. The protective box cover is arranged on the outside of the limiting mechanism and is fixedly connected to the support frame. The fan is installed on one side of the protective box. The drying component is provided with two groups and is symmetrically distributed along the middle of the protective box. The drying component comprises a heating box and a heating rod. The heating box is fixedly connected to one side of the protective box and is connected to the inside of the protective box through a second current equalizing plate fixedly connected to one side of the heating box. There are several heating rods and they are arranged in a straight line inside the heating box. Both ends of the heating rod are respectively fixedly connected to the two sides of the heating box. A thermostat is fixedly installed on one side of the protective box, and several of the heating rods are electrically connected to the thermostat.

[0009] Preferably, the side of the heating box away from the second current equalizing plate is configured to be a closed type, the closed end of the heating box is fixedly connected to one end of the fan outlet duct, and the side of the heating rod away from the second current equalizing plate is provided with a first current equalizing plate, and the first current equalizing plate is fixedly connected to the inner wall of the heating box.

[0010] Preferably, air inlet scoops are fixedly installed on the top of both ends of the opening of the protection box, and the two air inlet scoops are fixedly connected to one end of the fan air inlet duct through connecting pipes, and throttle valves are fixedly installed on one end of the two connecting pipes close to the air inlet scoops.

[0011] Preferably, the limiting mechanism includes a base plate, a vertical rod, a cross rod, a limiting stud and a driving assembly. The base plate is arranged on the surface of the conveyor belt. Two vertical rods are provided and symmetrically distributed along the middle of the base plate. The two vertical rods are fixedly connected to the base plate. The two ends of the cross rod are connected to the two vertical rods through limiting studs. The limiting studs pass through the two ends of the cross rod and correspond to the two vertical rods respectively. The limiting studs are threadedly connected to the cross rod. A number of limiting holes arranged in a straight line and corresponding to the limiting studs are provided on the two vertical rods. The driving assembly is connected to the cross rod.

[0012] Preferably, the driving assembly includes an electric hydraulic cylinder and a top plate, the electric hydraulic cylinder is fixedly connected to one side of the cross bar, the top plate is arranged at the bottom of the cross bar and fixedly connected to one end of the output shaft of the electric hydraulic cylinder, and the two sides of the top plate are slidably connected to two vertical rods.

[0013] Preferably, a rotating disk is rotatably connected to the bottom of the top plate, a circular disk corresponding to the rotating disk is rotatably connected to the middle of the upper surface of the bottom plate, a motor is fixedly mounted on the top of the top plate, and one end of the motor output shaft is fixedly connected to the top inside the rotating disk.

[0014] Preferably, a scale is provided on one side of each of the two vertical rods, and the scale is fixedly connected to the bottom plate.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. In the utility model, a filter element is placed on a disc, and a rotating disc is driven by an electric hydraulic cylinder to press down the surface of the filter element, and then a motor drives the filter element to rotate under the action of the disc and the rotating disc. During the rotation process, the filter element enters the interior of the protection box through a conveyor belt, and is continuously heated by a plurality of heating rods controlled by a thermostat, and the temperature is maintained at a suitable temperature for drying the PU glue. Then the fan is started, and external air enters the interior of the heating box through an air supply duct. The air is first evenly flowed by a first flow equalizing plate, so that the air is evenly heated by a plurality of heating rods. The heated air is then evenly flowed by a second flow equalizing plate and then sent to the interior of the protection box, so as to achieve uniform and comprehensive drying of the PU glue on the filter element entering the interior of the protection box. Part of the hot air discharged from the protection box returns to the air inlet duct of the fan through the air inlet hopper and the connecting pipe, so as to achieve the purpose of preheating and then heating the external air, and achieve the purpose of achieving comprehensive and uniform drying of the PU glue while reducing heat waste through the arrangement of the drying mechanism, the limiting mechanism, the air inlet hopper and the connecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a side view of the utility model;

[0020] Figure 3 It is a partial cross-sectional view of the utility model;

[0021] Figure 4 It is a partial stereogram of the utility model;

[0022] In the figure: 1. support frame; 2. drying mechanism; 3. protection box; 4. fan; 5. heating box; 6. heating rod; 7. second equalizing plate; 8. temperature controller; 9. first equalizing plate; 10. air inlet hopper; 11. connecting pipe; 12. throttle valve; 13. bottom plate; 14. vertical rod; 15. horizontal rod; 16. limit stud; 17. electric hydraulic cylinder; 18. top plate; 19. rotating disk; 20. disc; 21. motor; 22. scale. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] like Figure 1~Figure 4 As shown, this embodiment proposes a PU glue drying production line for air PU plate filter production, including a support frame 1 for supporting, a conveyor belt (not shown in the figure) is arranged on the support frame 1, and also includes:

[0026] The drying mechanism 2 includes a protective box 3, a fan 4 and a drying component. The conveyor belt on the support frame 1 is provided with several groups of arranged and distributed limit mechanisms. The protective box 3 cover is arranged on the outside of the limit mechanism and is fixedly connected to the support frame 1. The fan 4 is installed on one side of the protective box 3. There are two groups of drying components, which are symmetrically distributed along the middle of the protective box 3. The drying component includes a heating box 5 and a heating rod 6. The heating box 5 is fixedly connected to one side of the protective box 3 and is connected to the inside of the protective box 3 through a second current equalizing plate 7 fixedly connected to one side of the heating box 5. There are several heating rods 6, which are arranged in a straight line inside the heating box 5. Both ends of the heating rod 6 are respectively fixedly connected to the two sides of the heating box 5. A thermostat 8 is fixedly installed on one side of the protective box 3, and several heating rods 6 are electrically connected to the thermostat 8.

[0027] Preferably, the side of the heating box 5 away from the second flow equalizing plate 7 is set to a closed type, the closed part of the heating box 5 is fixedly connected to one end of the air outlet duct of the fan 4, and the side of the heating rod 6 away from the second flow equalizing plate 7 is provided with a first flow equalizing plate 9, and the first flow equalizing plate 9 is fixedly connected to the inner wall of the heating box 5. The purpose of this setting is to achieve the purpose of facilitating uniform heating of the air through the setting of the first flow equalizing plate 9 and the second flow equalizing plate 7, and facilitating the heated air to evenly dry the PU glue.

[0028] Preferably, air inlet scoops 10 are fixedly installed at the tops of both ends of the opening of the protection box 3, and the two air inlet scoops 10 are fixedly connected to one end of the air inlet duct of the fan 4 through connecting pipes 11, and throttle valves 12 are fixedly installed at one end of the two connecting pipes 11 close to the air inlet scoops 10. The purpose of this arrangement is to achieve the purpose of recovering part of the heat inside the protection box 3 and reducing resource waste through the arrangement of the air inlet scoops 10 and the connecting pipes 11.

[0029] Preferably, the limiting mechanism includes a bottom plate 13, a vertical rod 14, a cross bar 15, a limiting stud 16 and a driving assembly, the bottom plate 13 is arranged on the surface of the conveyor belt, two vertical rods 14 are arranged and symmetrically distributed along the middle of the bottom plate 13, the two vertical rods 14 are fixedly connected to the bottom plate 13, the two ends of the cross bar 15 are connected to the two vertical rods 14 through the limiting stud 16, the limiting stud 16 passes through the two ends of the cross bar 15 and corresponds to the two vertical rods 14, the limiting stud 16 is threadedly connected to the cross bar 15, the two vertical rods 14 are provided with a plurality of limiting holes arranged in a straight line and corresponding to the limiting stud 16, and the driving assembly is connected to the cross bar 15. The purpose of this arrangement is to achieve the purpose of adjusting the installation position of the cross bar 15 through the limiting stud 16.

[0030] Preferably, the driving assembly includes an electric hydraulic cylinder 17 and a top plate 18, wherein the electric hydraulic cylinder 17 is fixedly connected to one side of the cross bar 15, the top plate 18 is arranged at the bottom of the cross bar 15, and is fixedly connected to one end of the output shaft of the electric hydraulic cylinder 17, and both sides of the top plate 18 are slidably connected to the two vertical rods 14. The purpose of this arrangement is to achieve the purpose of limiting and fixing the filter element by driving the top plate 18 downward through the electric hydraulic cylinder 17.

[0031] In this embodiment, the filter element is placed on the disc 20, and the electric hydraulic cylinder 17 drives the rotating disc 19 to press down the surface of the filter element, and then the motor 21 drives the filter element to rotate under the action of the disc 20 and the rotating disc 19. During the rotation process, the filter element enters the protection box 3 through the conveyor belt, and the temperature controller 8 controls a number of heating rods 6 to continuously heat and keep the temperature at a suitable temperature for drying the PU glue. Then the fan 4 is started, and the external air enters the heating box 5 through the air supply duct. The air is first evenly distributed by the first flow plate 9, so that the air passes evenly through the plurality of heating rods 6. The heating rod 6 is used for heating, and the heated air is then evenly distributed by the second flow equalizing plate 7 and then sent into the protection box 3, so as to achieve the goal of evenly and comprehensively drying the PU glue on the filter element entering the protection box 3. Part of the hot air discharged from the protection box 3 returns to the air inlet duct of the fan 4 through the air inlet hopper 10 and the connecting pipe 11, so as to achieve the purpose of preheating and then heating the external air. The drying mechanism 2, the limiting mechanism, the air inlet hopper 10 and the connecting pipe 11 are used to achieve the goal of comprehensively and evenly drying the PU glue while reducing the waste of heat.

[0032] Example 2

[0033] like Figure 1~Figure 4 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment also proposes that a rotating disk 19 is rotatably connected to the bottom of the top plate 18, a disk 20 corresponding to the rotating disk 19 is rotatably connected to the middle of the upper surface of the bottom plate 13, and a motor 21 is fixedly installed on the top of the top plate 18, and one end of the output shaft of the motor 21 is fixedly connected to the top inside the rotating disk 19.

[0034] Preferably, a scale 22 is respectively provided on one side of the two vertical rods 14, and the scale 22 is fixedly connected to the bottom plate 13. The purpose of this arrangement is to facilitate the relevant personnel to install the cross bar 15 according to the height of the filter element through the setting of the scale 22.

[0035] In this embodiment, the motor 21 drives the rotating disk 19 and the filter element after the disk 20 is limited to rotate, so as to achieve the purpose of comprehensive and uniform drying of the PU glue.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A PU glue drying production line for producing air PU plate filters, comprising a support frame (1) for supporting, wherein a conveyor belt is arranged on the support frame (1), characterized in that: Also includes: A drying mechanism (2), the drying mechanism (2) comprising a protection box (3), a fan (4) and a drying assembly, a plurality of groups of arranged and distributed limiting mechanisms are arranged on the conveyor belt on the support frame (1), the protection box (3) cover is arranged outside the limiting mechanism and is fixedly connected to the support frame (1), the fan (4) is installed on one side of the protection box (3), two groups of the drying assembly are arranged and symmetrically distributed along the middle of the protection box (3), the drying assembly comprises a heating box (5) and a heating rod (6), the heating box (5) is fixedly connected to one side of the protection box (3), and is connected to the inside of the protection box (3) through a second current equalizing plate (7) fixedly connected to one side of the heating box (5), a plurality of the heating rods (6) are arranged and distributed in a straight line inside the heating box (5), the two ends of the heating rod (6) are respectively fixedly connected to the two sides of the heating box (5), a thermostat (8) is fixedly installed on one side of the protection box (3), and the plurality of the heating rods (6) are electrically connected to the thermostat (8).

2. The PU glue drying production line for air PU plate filter production according to claim 1 is characterized in that: The side of the heating box (5) away from the second flow equalizing plate (7) is configured to be closed, the closed end of the heating box (5) is fixedly connected to one end of the air outlet duct of the fan (4), and the side of the heating rod (6) away from the second flow equalizing plate (7) is provided with a first flow equalizing plate (9), and the first flow equalizing plate (9) is fixedly connected to the inner wall of the heating box (5).

3. The PU glue drying production line for air PU plate filter production according to claim 1 is characterized in that: Air inlet scoops (10) are fixedly mounted on the tops of both ends of the opening of the protection box (3); the two air inlet scoops (10) are fixedly connected to one end of an air inlet duct of the fan (4) via a connecting pipe (11); and a throttle valve (12) is fixedly mounted on one end of the two connecting pipes (11) close to the air inlet scoops (10).

4. The PU glue drying production line for air PU plate filter production according to claim 1 is characterized in that: The limiting mechanism comprises a bottom plate (13), a vertical rod (14), a cross rod (15), a limiting stud (16) and a driving assembly. The bottom plate (13) is arranged on the surface of the conveyor belt. Two vertical rods (14) are arranged and symmetrically distributed along the middle of the bottom plate (13). The two vertical rods (14) are fixedly connected to the bottom plate (13). The two ends of the cross rod (15) are connected to the two vertical rods (14) through the limiting studs (16). The limiting studs (16) pass through the two ends of the cross rod (15) and correspond to the two vertical rods (14). The limiting studs (16) are threadedly connected to the cross rod (15). The two vertical rods (14) are provided with a plurality of limiting holes arranged in a straight line and corresponding to the limiting studs (16). The driving assembly is connected to the cross rod (15).

5. The PU glue drying production line for air PU plate filter production according to claim 4 is characterized in that: The driving assembly comprises an electric hydraulic cylinder (17) and a top plate (18), wherein the electric hydraulic cylinder (17) is fixedly connected to one side of the cross bar (15), the top plate (18) is arranged at the bottom of the cross bar (15) and is fixedly connected to one end of the output shaft of the electric hydraulic cylinder (17), and the two sides of the top plate (18) are slidably connected to the two vertical bars (14).

6. The PU glue drying production line for producing air PU plate filters according to claim 5 is characterized in that: The bottom of the top plate (18) is rotatably connected to a rotating disk (19), the middle of the upper surface of the bottom plate (13) is rotatably connected to a disk (20) corresponding to the rotating disk (19), and a motor (21) is fixedly mounted on the top of the top plate (18), and one end of the output shaft of the motor (21) is fixedly connected to the top of the rotating disk (19).

7. The PU glue drying production line for producing air PU plate filters according to claim 4 is characterized in that: A scale (22) is provided on one side of each of the two vertical rods (14), and the scale (22) is fixedly connected to the bottom plate (13).

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