A high-efficiency filter paper sizing device

Abstract

This invention discloses a high-efficiency filter paper sizing device in the field of filter paper sizing technology, aiming to solve the problems of uneven application and lateral overflow caused by manual application of glue to the folds of filter paper in the prior art. It includes a folding machine with a conveyor line at the paper output end. The conveyor line consists of multiple belt conveyor components. Multiple support blocks are located below the conveyor line, and a mounting frame is located directly above the support blocks. A figure-eight plate is mounted on the mounting frame. Each figure-eight plate can press the filter paper onto its corresponding support block by squeezing it. After pressing the filter paper, the figure-eight plate leaves a pointed tip of the filter paper exposed. The mounting frame also includes a glue application component. This invention is used to automatically perform the pre-glue application process at the folds of filter paper, efficiently, stably, and evenly applying glue to the folds of the folded filter paper. This helps to prevent glue loss and lateral overflow from affecting the filter surface, thereby improving product quality control.

Description

Technical Field

[0001] This invention relates to a high-efficiency filter paper sizing device, belonging to the field of filter paper processing technology. Background Technology

[0002] The core of a high-efficiency particulate air (HEPA) filter is a filter element made of materials such as ultra-fine glass fiber paper. By folding this element into a densely arranged "V" shape, the filtration area can be greatly increased within a limited space, thus efficiently capturing particles of 0.3 microns and larger. However, to ensure the lifespan of the filter paper, adhesive needs to be applied at the fold lines during folding. This prevents damage to the filter layer caused by bending and also helps maintain the shape of the filter paper after the adhesive cures. The adhesive, after curing at the fold lines, ensures that the "V" shape remains relatively stable, preventing rebound or deformation, ensuring uniform and stable airflow, and avoiding blockages. Deformation leads to decreased filtration efficiency and increased resistance. In addition, sizing can effectively improve the mechanical strength of the filter paper at the creases, preventing damage and deformation caused by collisions during production or transportation, thus helping to extend the overall service life of the filter paper. Currently, the mainstream sizing method is to complete the sizing process manually. However, in this method, it is difficult to control the uniformity of the sizing by manual application. Moreover, for the upper surface of the filter paper, the unevenness at the sizing peaks can easily cause uncured adhesive to flow to the lower layers, which not only easily leads to the loss and waste of adhesive, but also, during curing, the cured adhesive tends to adhere to the filter paper surface, resulting in a reduction in the actual filtration area and poor quality control of the final product. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a high-efficiency filter paper gluing device for automatically performing the pre-gluing process at the folds of the filter paper. It can efficiently, stably and evenly apply glue to the folds of the folded filter paper, which helps to avoid glue loss and affect the filter surface, thereby improving product quality control.

[0004] To achieve the above objectives, the present invention employs the following technical solution: This invention provides a high-efficiency filter paper sizing device, including a folding machine configured to fold filter paper on a roll into a reciprocating "V"-shaped structure. The paper output end of the folding machine is equipped with a conveyor line, which consists of multiple belt conveyor assemblies. Multiple support blocks are located below the conveyor line, with their tops shaped like "V"s and capable of inserting into the "V"-shaped slots of the folded filter paper. A first lifting assembly for lifting the multiple support blocks is also located below the folding machine. The conveyor line is equipped with a mounting frame located directly above multiple support blocks. The conveyor line is also equipped with a second lifting assembly for driving the mounting frame to rise and fall. Multiple figure-eight plates distributed along the conveying direction are mounted on the mounting frame. Each figure-eight plate can press the filter paper onto the corresponding support block by squeezing it. After pressing the filter paper, the figure-eight plate can leave the tip of the filter paper exposed. The mounting frame is also equipped with an adhesive applicator, which is configured to apply adhesive to the bend of the filter paper exposed at the top of the figure-eight plate.

[0005] Specifically, the glue application assembly includes a first mounting plate slidably mounted on a mounting frame. The sliding direction of the first mounting plate is the direction of the straight line where the filter paper creases are located. The glue application assembly also includes a glue supply pipe fixedly mounted on the first mounting plate and multiple glue dispensing nozzles connected to the glue supply pipe. A glue coating roller is rotatably mounted on the mounting frame and below each glue dispensing nozzle. An annular glue groove is formed in the middle of the glue coating roller. The glue dispensing nozzle is used to supply glue into the annular glue groove, and the annular glue groove can engage with the exposed filter paper portion above the figure-eight plate through a lifting and lowering action.

[0006] Specifically, a first linear motion module is also installed on the conveyor line, and the second lifting component is a lifting cylinder configured at the movable end of the first linear motion module. The mounting frame is fixedly installed on the movable end of the lifting cylinder. A second linear motion module is arranged below the conveyor line, and the first lifting component is arranged on the movable end of the second linear motion module. The first lifting component includes a mounting platform and a first driving device for driving the mounting platform to lift. A plurality of support blocks are fixedly installed on the top surface of the mounting platform.

[0007] Specifically, the conveyor line includes at least two sets of spaced conveyor surfaces. A sizing table is provided between the two sets of conveyor surfaces and below the filter paper. A notch is provided above the sizing table. A liquid supply pipe for supplying the adhesive layer into the notch is provided inside the sizing table. A conveying assembly is provided above the two sets of conveyor surfaces. The conveying assembly is configured to place the folded filter paper on the sizing table and to place the filter paper with the bottom surface sizing completed on the conveyor line downstream of the sizing table.

[0008] Specifically, the conveying assembly includes two sets of third linear motion modules. The movable ends of both sets of third linear motion modules are fixedly equipped with second mounting plates. Each of the two second mounting plates is equipped with a conveying module. Each conveying module includes a conveying bracket. The second mounting plate is also equipped with a second driving device for driving the conveying bracket to rise and fall. Multiple conveying blocks are installed on the bottom surface of the conveying bracket. The bottom surface of each conveying block can match the top of the folded filter paper. The interior of the conveying block is a hollow structure, and several adsorption holes are provided on both sides of the bottom surface of the conveying block. An adsorption tube communicating with the inner cavity of the conveying block is also installed on the conveying block.

[0009] Specifically, a first curing device is provided on the upper surface of the downstream position of the adhesive application component, and a second curing device is provided downstream of the adhesive application table.

[0010] Specifically, the conveyor line is also equipped with a wire feeding assembly and an adhesive coating assembly. The wire feeding assembly is configured to lay multiple sets of connecting wires in the width direction of the filter paper, and the adhesive coating assembly is configured to apply adhesive to the connecting wires so that the connecting wires are bonded to the upper surface of the folded filter paper and cured.

[0011] Specifically, the adhesive application assembly includes bearing seats disposed on both sides of the conveyor line, a drive shaft rotatably disposed between the bearing seats, a plurality of guide rollers mounted on the drive shaft, an annular groove for guiding the connecting line provided in the middle of the guide rollers, an adhesive application tube disposed above the guide rollers, and an adhesive application needle disposed below the adhesive application tube for applying adhesive into the annular groove of the guide rollers.

[0012] Specifically, the support block is also positioned below the filter paper and downstream of the guide wheel.

[0013] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: This invention uses corresponding support blocks and figure-eight plates on the conveyor line to limit and clamp the folded filter paper, thereby exposing the part that needs to be coated with glue while stabilizing the shape of the filter paper. At this time, the glue is applied to the folded area using an additional glue application component, which can prevent the glue layer from seeping downward and mainly adhere to the folded area. The glue amount is automatically controlled, so that a stable curing line can be formed after curing. This avoids the impact on the filter surface area and the unreliable curing effect caused by glue loss, thereby effectively improving the product quality control capability. The adhesive application component provided by this invention can effectively and evenly apply the adhesive layer while supplying adhesive, achieving uniform distribution of the adhesive layer and avoiding excessive or insufficient adhesive layer in some areas after the herringbone board is removed, which would affect the subsequent curing effect. The additional adhesive application method provided by this invention for the lower crease can quickly achieve adhesive application at the lower crease position without the need for reverse upward supply of adhesive, thus avoiding uneven application caused by the influence of gravity and further improving the coverage of the automated adhesive application device. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the adhesive application device provided in an embodiment of the present invention; Figure 2 This is the present invention. Figure 1 Enlarged view of the structure at point A of the adhesive application device provided in the embodiment; Figure 3 This is the present invention. Figure 1 Enlarged view of section B of the adhesive application device provided in the embodiment; Figure 4 This is the present invention. Figure 1 Enlarged view of the structure at point C of the adhesive application device provided in the embodiment; Figure 5 This is a front view of the adhesive application device provided in an embodiment of the present invention; Figure 6 This is a side view of the adhesive application device provided in an embodiment of the present invention; Figure 7 This is the present invention. Figure 6 A cross-sectional view of the adhesive application device in the DD direction provided in the embodiment; Figure 8 This is the present invention. Figure 7 Enlarged view of the structure at point E of the adhesive application device provided in the embodiment; Figure 9 This is the present invention. Figure 7 Enlarged view of the structure at point F of the adhesive application device provided in the embodiment; Figure 10 This is the present invention. Figure 7 Enlarged view of the structure at point G of the adhesive application device provided in the embodiment; Figure 11 This is the present invention. Figure 7 Enlarged view of the structure at point H of the adhesive application device provided in the embodiment; Figure 12 This is a schematic diagram of the transport block structure of the adhesive application device provided in an embodiment of the present invention; Reference numerals: 1. Folding machine; 2. Conveyor line; 3. Support block; 4. Mounting frame; 5. V-shaped plate; 6. Glue application assembly; 7. Glue roller; 8. First linear movement module; 9. Lifting cylinder; 10. Second linear movement module; 11. First drive device; 12. Mounting platform; 13. First curing device; 14. Glue application table; 15. Liquid supply pipe; 16. Second curing device; 17. Second mounting plate; 18. Third linear movement module; 19. Transport bracket; 20. Transport block; 21. Wire feeding assembly; 22. Bearing seat; 23. Wire guide wheel; 24. Glue application tube; 25. Glue application needle tube; 26. Second drive device; 27. First mounting plate; 28. Drive motor; 29. ​​Adsorption tube. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0016] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are used only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0017] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0018] This invention provides a high-efficiency filter paper gluing device for automatically applying glue to the creases of the filter paper. It efficiently, stably, and evenly applies glue to the creases, preventing glue loss and affecting the filter surface, thus improving product quality control. To achieve automatic gluing, the device includes a folding machine 1, configured to fold the filter paper on the roll into a reciprocating "V" shape (existing technology can be used; the structure of the folding machine 1 will not be described in detail here). To facilitate gluing the folded filter paper, a conveyor line 2 is provided at the paper output end of the folding machine 1, consisting of multiple belt conveyor components arranged side-by-side (i.e., creating gaps between them for conveying the filter paper). To achieve automatic and stable gluing of the filter paper, multiple support blocks 3 are provided below the conveyor line 2. The folding machine 1 is equipped with multiple support blocks 3, each with a "V"-shaped top that can be inserted into the "V"-shaped groove of the folded filter paper. This provides alignment and support for the bottom of the folded filter paper. The support blocks 3 should be positioned in the gaps between the multiple belt conveyor components, preferably evenly distributed on the bottom surface of the filter paper, to avoid insufficient support in certain areas that could cause additional deformation or damage. To allow for switching of support positions, a first lifting assembly for lifting the multiple support blocks 3 is provided below the folding machine 1. The specific structure is not specified here. To ensure the adhesive application area, a mounting frame 4 is positioned directly above the multiple support blocks 3 on the conveyor line 2. A second lifting assembly for driving the mounting frame 4 to rise and fall is also provided on the conveyor line 2. The specific structure of the second lifting assembly is not specified here. Specifically, multiple V-shaped plates 5 distributed along the conveying direction are mounted on the mounting frame 4. (Structure reference...) Figure 8As shown, each of the figure-eight plates 5 can be pressed onto the corresponding support block 3 by squeezing the filter paper. After the figure-eight plate 5 has finished pressing the filter paper, the tip of the filter paper can be reserved. By matching the tilt angle of the support block 3 and the figure-eight plate 5, good protection and coverage of the filter surface can be achieved. At this time, an adhesive applicator 6 is also provided on the mounting frame 4. The adhesive applicator 6 is configured to apply adhesive to the bend position of the filter paper exposed at the top of the figure-eight plate 5. This allows adhesive to be applied to the fold position of the top surface of the filter paper under the coverage of the figure-eight plate 5. By limiting the exposed area, the uneven application of the adhesive layer can be effectively avoided, which may cause the adhesive to seep down along the slope of the filter paper. This can effectively protect the filter surface of the folded filter paper and avoid affecting the effective filtration area of ​​the filter paper. In the above method, by configuring two adjacent sets of V-shaped plates 5 to be connected by a bottom plate (i.e., no seepage outlet is generated at the bottom), it is possible to prevent overflowing glue from dripping onto the surface of the filter paper again through the gap between the V-shaped plates 5. However, as a better preferred embodiment, the two plate-shaped sheets opposite each other of the V-shaped plates 5 can be configured as oppositely arranged guide slopes at the exposed tip of the filter paper, thus forming a liquid storage groove together with the exposed tip of the filter paper. In the subsequent glue application process, for areas where the glue application is uneven, the balancing ability of the liquid storage groove can allow the glue to flow from high to low, thereby ensuring the uniformity of the final glue application and preventing excessive glue from leaking out laterally from the glue application position. Ultimately, it stabilizes the amount of glue used and ensures that it can be applied relatively evenly to the crease position.

[0019] This invention provides a high-efficiency filter paper adhesive application device. To ensure uniform adhesive distribution at the crease locations during application and avoid the uneven distribution and localized over-adhesion issues caused by continuous dispensing in traditional techniques, the adhesive application component 6 includes a first mounting plate 27 slidably mounted on a mounting frame 4. (Refer to...) Figure 2 as well as Figure 8As shown, the sliding direction of the first mounting plate 27 is along the straight line of the filter paper crease, and the first mounting plate 27 is driven by the drive motor 28 to slide (such as using a servo guide rail structure, etc., the specific driving method is not limited here). At this time, the glue application assembly 6 also includes a glue supply pipe fixedly set on the first mounting plate 27 and multiple glue dispensing nozzles connected to the glue supply pipe. On the mounting frame 4, and below each glue dispensing nozzle, a glue coating roller 7 is rotatably set accordingly. An annular glue groove is opened in the middle of the glue coating roller 7. At this time, the glue dispensing nozzle is used to supply glue into the annular glue groove. The second lifting mechanism is used to control the flow of glue. The component allows the annular glue groove to engage with the exposed filter paper portion above the figure-eight plate 5. During the glue application process, the annular glue groove of the glue roller 7 adheres to the upper surface of the filter paper crease and rolls as the first mounting plate 27 moves. The glue dispensing nozzle can continuously extrude glue into the annular glue groove. The glue layer in the annular glue groove is then evenly applied to the crease position on the filter paper through the rolling action, thus simultaneously achieving the glue supply and even application process. Combined with the liquid storage groove design of the figure-eight plate 5, the uniformity of glue distribution can be effectively improved and the glue layer can be effectively applied to the crease position of the filter paper.

[0020] This invention provides a high-efficiency filter paper sizing device. Considering the continuous production output function of the folding machine 1, the sizing component 6 should not remain stationary in the filter paper conveying direction during the continuous paper conveying process. This would greatly shorten the operation time and easily cause lateral accumulation of folded paper. Therefore, a first linear moving module 8 can be installed on the conveyor line 2. Specifically, a second lifting component can be configured as a lifting cylinder 9 located at the movable end of the first linear moving module 8. By fixing the mounting frame 4 on the movable end of the lifting cylinder 9, the mounting frame 4 can move as a whole along the paper conveying direction, thereby achieving... The corresponding lifting function is provided. At the same time, a second linear motion module 10 is provided below the conveyor line 2. By setting the first lifting component on the movable end of the second linear motion module 10, the support block 3 can move synchronously with the conveying direction of the folded paper and perform the corresponding lifting action. Specifically, the first lifting component can be configured to include a mounting platform 12 and a first drive device 11 for driving the mounting platform 12 to lift. At this time, multiple support blocks 3 are fixedly set on the top surface of the mounting platform 12. The first drive device 11 can be implemented by using a servo motor with a moving module, or by using a corresponding cylinder or other structure. Other specific forms are not further limited here.

[0021] This invention provides a high-efficiency filter paper sizing device. After the top crease of the filter paper is sizing, the bottom crease still needs sizing. To improve the efficiency of automated operation, an additional bottom sizing device can be configured to sizing the bottom crease of the filter paper, reducing manual labor and ensuring a stable and controllable sizing process. Specifically, the conveyor line 2 can be configured to include at least two sets of spaced conveyor surfaces (leaving room for movement in the conveying direction of the filter paper). A sizing table 14 is provided between the two sets of conveyor surfaces and below the filter paper. The top of the sizing table 14 is configured with a recess for storing the adhesive layer, and a liquid supply pipe 15 for supplying the adhesive layer into the recess is provided inside the sizing table 14 (see reference). Figure 11 As shown), by supplying glue into the supply pipe 15, the glue is filled at the recessed position on the top of the glue application table 14. At this point, the bottom surface of the folded filter paper contacts the filled glue layer, allowing for rapid glue application at the folded bottom surface. The thickness of the glue layer in the recess of the glue application table 14 is preferably controlled within 4mm. To ensure that the bottom surface of the folded filter paper contacts the top surface of the glue application table 14, a conveying assembly can be provided above the two sets of conveying surfaces. The conveying assembly is configured to place the folded filter paper on the glue application table 14 and to place the filter paper with the bottom surface glued onto the conveyor line 2 downstream of the glue application table 14. The specific structure is not limited here. As a preferred embodiment, the conveying assembly can be configured to include two sets of third linear motion modules 18, see reference. Figure 1 Figure 7 As shown, at this time, the movable ends of both sets of third linear motion modules 18 are fixedly equipped with second mounting plates 17, and each of the two second mounting plates 17 is equipped with a transport module. Each transport module includes a transport bracket 19. A second drive device 26 for driving the transport bracket 19 to rise and fall is also installed on the second mounting plate 17, so that the second mounting plate 17 can translate along the conveying direction of the filter paper and perform corresponding lifting and lowering actions. The second drive device 26 can be a cylinder or other components. In order to realize the transport action of the folded filter paper, multiple transport blocks 20 are installed on the bottom surface of the transport bracket 19. (Refer to...) Figure 11 as well as Figure 12As shown, the bottom surface of each transport block 20 is configured to match the upper notch of the folded filter paper. The transport block 20 has a hollow internal structure and several adsorption holes are provided on both sides of its bottom surface. Finally, an adsorption tube 29 connected to the inner cavity of the transport block 20 is installed on the transport block 20. During operation, the adsorption tube 29 extracts the air from the transport block 20, thereby generating a negative pressure at the adsorption hole position so that the inclined surface of the filter paper can be adsorbed at the adsorption hole position. By connecting multiple transport blocks 20 to simultaneously adsorb the folded filter paper, the transport of the folded filter paper can be realized. During operation, the two third linear motion modules 18 drive the multiple transport blocks 20 components at their connecting ends to synchronously transport the folded filter paper. This avoids the filter paper being unable to smoothly enter the glue application table 14 due to the step height of the glue application table 14, or the filter paper being forcibly moved into the glue application table 14, which may cause structural deformation of the filter paper. This helps to stabilize the glue application work on the bottom surface of the filter paper. During operation, it is necessary to pay attention to the interval time of reciprocating transport or the pausing time of glue application, which should not be too long to avoid the accumulation of filter paper on the conveyor line 2. The thickness of the glue layer on the glue application table 14 can be controlled by feedback from relevant liquid level detection sensors, which will not be explained in detail here.

[0022] This invention provides a high-efficiency filter paper adhesive applicator. To quickly cure the adhesive at the creases of the filter paper, a first curing device 13 is installed on the upper surface downstream of the adhesive applicator 6, and a second curing device 16 is installed downstream of the adhesive applicator table 14. The second curing device 16 should be located at the front end of the downstream conveyor line 2 to prevent the adhesive from contacting the bottom surface of the conveyor belt before curing, thus avoiding adhesion between the adhesive layer and the bottom surface of the conveyor belt. To further reduce the impact of adhesion with the conveyor belt, an anti-stick coating can be applied to the conveyor belt, and temperature control can be used to prevent instability of the adhesive properties. Preferably, the adhesive layer is a UV adhesive, and the first curing device 13 and the second curing device 16 employ ultraviolet light curing. Compared to hot melt adhesive, this method provides faster curing, completing the curing process in a short time (within seconds), making it suitable for continuous and efficient production.

[0023] This invention provides a high-efficiency filter paper sizing device. After the filter paper is sizing and cured, to stabilize the spacing between the wave crests and prevent structural damage or deformation that may occur during transport due to bending, a wire feeding assembly 21 and a sizing assembly can also be provided on the conveyor line 2. The wire feeding assembly 21 is configured to lay multiple sets of connecting wires along the width direction of the filter paper. (Refer to...) Figure 1As shown, the gluing assembly is configured to apply glue to the connecting line, so that the connecting line adheres to the upper surface of the folded filter paper and cures. Through the combination of the two components, the connecting line forms a bond with a certain strength after connecting between the crests of the filter paper, thereby further suppressing the stretching and shrinkage of the filter paper, ensuring the basic shape of the filter paper, facilitating its transportation and installation, and thus ensuring the yield of the filter paper. As a preferred embodiment, the gluing assembly may include bearing seats 22 disposed on both sides of the conveyor line 2, as shown in the reference... Figure 3 As shown, a drive shaft is rotatably mounted between two bearing seats 22. Multiple guide rollers 23 are mounted on the drive shaft. Each guide roller 23 has an annular groove in its center for guiding the connecting wire. An adhesive applicator tube 24 is positioned above the guide roller 23, and an adhesive applicator needle 25 is positioned below the adhesive applicator tube 24 for applying adhesive into the annular groove of the guide roller 23. The adhesive-bonded connecting wire forms a connection upon contact with the corrugated surface of the filter paper. By positioning it downstream of the process, the connecting wire can be cured using thermosetting adhesive without a long waiting period, reducing costs and ensuring the supporting strength of the connecting wire by increasing the amount of adhesive used. During continuous operation, the wire feeding assembly 21 can be effectively dragged and fed due to the continuous bonding of the connecting wire at the front end, or active wire feeding can be achieved by matching the rotation speed. In this case, attention should be paid to the number and position of the transition rollers that transition to the guide roller 23. Since it is necessary to ensure the positional spacing between adjacent peaks during the laying process, the support block 3 can also be configured below the filter paper and downstream of the guide wheel 23. The support block 3 can support the folded surfaces of adjacent filter paper, thereby stabilizing the position of the filter paper peaks before the connecting line is cured, so as to ensure a more stable final product shape.

[0024] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A high-efficiency filter paper sizing device, comprising a folding machine (1), said folding machine (1) being configured to fold filter paper on a roll into a reciprocating "V" shaped structure, characterized in that, The paper folding machine (1) has a conveyor line (2) at its paper output end. The conveyor line (2) is composed of multiple belt conveyor components. Multiple support blocks (3) are arranged below the conveyor line (2). The tops of the multiple support blocks (3) are "V"-shaped and can be inserted into the "V"-shaped slots of the folded filter paper. A first lifting component for lifting the multiple support blocks (3) is also arranged below the paper folding machine (1). A mounting frame (4) is arranged directly above the multiple support blocks (3) on the conveyor line (2). The mounting frame (4) is also equipped with a second lifting component for driving the mounting frame (4) to rise and fall. The mounting frame (4) is equipped with a plurality of figure-eight plates (5) distributed along the conveying direction. Each figure-eight plate (5) can press the filter paper onto the corresponding support block (3) by squeezing the filter paper. After pressing the filter paper, the figure-eight plate (5) can leave the tip of the filter paper. The mounting frame (4) is also equipped with a glue applicator (6). The glue applicator (6) is configured to apply glue to the bending position of the filter paper exposed at the top of the figure-eight plate (5).

2. The high-efficiency filter paper sizing device according to claim 1, characterized in that, The glue application assembly (6) includes a first mounting plate (27) slidably mounted on the mounting frame (4). The sliding direction of the first mounting plate (27) is the direction of the straight line where the filter paper crease is located. The glue application assembly (6) also includes a glue supply pipe fixedly mounted on the first mounting plate (27) and multiple glue dispensing nozzles connected to the glue supply pipe. A glue coating roller (7) is rotatably mounted on the mounting frame (4) and below each glue dispensing nozzle. An annular glue groove is opened in the middle of the glue coating roller (7). The glue dispensing nozzle is used to supply glue into the annular glue groove, and the annular glue groove can engage with the exposed filter paper part above the figure-eight plate (5) through lifting and lowering movements.

3. The high-efficiency filter paper sizing device according to claim 1, characterized in that, The conveyor line (2) is also equipped with a first linear motion module (8), and the second lifting component is a lifting cylinder (9) configured at the movable end of the first linear motion module (8). The mounting frame (4) is fixedly installed on the movable end of the lifting cylinder (9). A second linear motion module (10) is provided below the conveyor line (2). The first lifting component is installed on the movable end of the second linear motion module (10). The first lifting component includes a mounting platform (12) and a first driving device (11) for driving the mounting platform (12) to lift. A plurality of support blocks (3) are fixedly installed on the top surface of the mounting platform (12).

4. The high-efficiency filter paper sizing device according to claim 1, characterized in that, The conveyor line (2) includes at least two sets of conveyor surfaces spaced apart. A sizing table (14) is provided between the two sets of conveyor surfaces and below the filter paper. A notch is provided above the sizing table (14). A liquid supply pipe (15) for supplying the adhesive layer into the notch is provided inside the sizing table (14). A conveying assembly is provided above the two sets of conveyor surfaces. The conveying assembly is configured to place the folded filter paper on the sizing table (14) and to place the filter paper with the bottom surface sizing completed on the conveyor line (2) downstream of the sizing table (14).

5. The high-efficiency filter paper sizing device according to claim 4, characterized in that, The transport assembly includes two sets of third linear motion modules (18). The movable ends of the two sets of third linear motion modules (18) are fixedly provided with second mounting plates (17). Each of the two second mounting plates (17) is provided with a transport module. Each transport module includes a transport bracket (19). The second mounting plate (17) is also provided with a second driving device (26) for driving the transport bracket (19) to rise and fall. Multiple transport blocks (20) are installed on the bottom surface of the transport bracket (19). The bottom surface of each transport block (20) can match the top of the folded filter paper. The interior of the transport block (20) is a hollow structure and several adsorption holes are provided on both sides of the bottom surface of the transport block (20). An adsorption tube (29) connected to the inner cavity of the transport block (20) is also installed on the transport block (20).

6. The high-efficiency filter paper sizing device according to claim 5, characterized in that, A first curing device (13) is provided on the upper surface of the downstream position of the adhesive application component (6), and a second curing device (16) is provided downstream of the adhesive application table (14).

7. The high-efficiency filter paper sizing device according to claim 1, characterized in that, The conveyor line (2) is also provided with a wire feeding assembly (21) and an adhesive coating assembly. The wire feeding assembly (21) is configured to lay multiple sets of connecting wires in the width direction of the filter paper. The adhesive coating assembly is configured to apply adhesive to the connecting wires so that the connecting wires are bonded to the upper surface of the folded filter paper and cured.

8. The high-efficiency filter paper sizing device according to claim 7, characterized in that, The adhesive application assembly includes bearing seats (22) disposed on both sides of the conveyor line (2), a drive shaft is rotatably disposed between the bearing seats (22), a plurality of guide wheels (23) are mounted on the drive shaft, an annular groove for guiding the connecting line is provided in the middle of the guide wheel (23), an adhesive application tube (24) is disposed above the guide wheel (23), and an adhesive application needle tube (25) for applying adhesive into the annular groove of the guide wheel (23) is disposed below the adhesive application tube (24).

9. The high-efficiency filter paper sizing device according to claim 8, characterized in that, The support block (3) is also positioned below the filter paper and downstream of the guide wheel (23).

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