Air filter paper preparation method and preparation device

By introducing a winding step and device into the air filter paper preparation process, the problems of filter paper flatness and tension uniformity were solved, and stable winding and high-quality production of filter paper were achieved.

CN120520112BActive Publication Date: 2025-10-17ANHUI FENGYANG GUOFENG ECOLOGICAL TECH MATERIALS CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202510915979.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-07-03
Publication Date
2025-10-17
Estimated Expiration
2045-07-03

AI Technical Summary

Technical Problem

Improper winding of air filter paper in existing technologies leads to poor flatness and tension uniformity of the filter paper, affecting product quality.

Method used

A winding step is added to the preparation method, and automated winding is achieved through the locking and cutting components of the winding device to ensure that the filter paper is wound into a tube under a certain tension, preventing wrinkles and loosening.

Benefits of technology

It improves the flatness and uniformity of the filter paper, prevents fiber loosening and foreign matter adhesion, ensures the stability of the filter paper structure, and improves product quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120520112B_ABST
    Figure CN120520112B_ABST
Patent Text Reader

Abstract

The application discloses an air filter paper preparation method and a preparation device, and relates to the technical field of air filter paper preparation, and comprises the following steps: S9, after the paper sheet is wound to the required thickness, a cutting assembly is passively triggered to cut the paper sheet; S10, a first winding frame is pulled up, so that a lock winding assembly moves and shrinks, and the paper sheet is no longer locked to make the paper cylinder conveniently removed. The air filter paper preparation method and the preparation device provided by the application increase the winding step in the preparation method, and through the increase of the winding device, the prepared air filter paper can be wound into a cylinder under a certain tension, which helps to keep the flatness and uniformity of the filter paper, prevents wrinkles or relaxation of the filter paper in subsequent use, and ensures that the fiber structure of the filter paper keeps stable under a certain pressure, avoids fiber relaxation or aggregation caused by long-time placement, and can more effectively prevent foreign matters such as dust, impurities, oil stains and the like from adhering to the filter paper.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of air filter paper preparation, and in particular to an air filter paper preparation method and a preparation device. Background Art

[0002] Air filter paper is a kind of filter paper used to filter impurities, particulate matter, etc. in the air. It has a porous structure and can effectively intercept pollutants such as dust, pollen, and bacteria, thereby purifying the air.

[0003] Air filter paper winding is a key step in the filter paper production process. Its purpose is to wind the produced filter paper neatly and tightly on the paper core to facilitate subsequent transportation, storage and use.

[0004] In the industrial-scale preparation of air filter paper, rolling up the air filter paper is a crucial step. However, under existing technologies, rolling up the air filter paper is often not performed directly after preparation. This directly affects the flatness and tension uniformity of the filter paper, as well as the stability of subsequent processing (such as slitting and folding), thereby affecting the quality of the final product. Summary of the Invention

[0005] The object of the present invention is to provide a method and apparatus for preparing air filter paper to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] A method for preparing air filter paper comprises the following steps:

[0008] S1, beating the wood fibers, controlling the beating degree to be between 20°SR and 35°SR, so that the fibers are separated into fibers of appropriate length;

[0009] S2. Add a small amount of resin or emulsion for impregnation for 1 to 2 hours;

[0010] S3, adding an appropriate amount of chemical synthetic fiber and mixing it with the treated wood fiber to form a pulp suspension;

[0011] S4, passing the pulp suspension through the wire portion of the papermaking machine for papermaking, so that the pulp forms a uniform wet paper sheet on the wire portion;

[0012] S5, drying the formed wet paper sheet in the press section and drying section of the paper machine to evaporate the water;

[0013] S6. The dried paper sheet is fed into the roll through the feeding roller, and then passes through the first tensioning roller and the second tensioning roller in sequence, and then is fed into the locking roll assembly;

[0014] S7, lowering the first reel frame so that the locking assembly can stretch and lock the paper sheet;

[0015] S8, the winding motor is started to wind the paper, and the paper is automatically edged when winding;

[0016] S9, after the paper winding reaches the required thickness, the cutting assembly is passively triggered to cut the paper;

[0017] S10, the first winding frame is pulled up, so that the locking assembly moves to shrink, and the paper is no longer locked to make the paper tube convenient to take off.

[0018] An air filter paper preparation device applied to the air filter paper preparation method, comprising a winding roller, wherein the winding roller is provided with the locking assembly, the first winding frame is provided with the winding motor, the lower surface of the first winding frame is connected with a hinged frame and a connecting frame, the lower end of the hinged frame is hinged with a second winding frame, and the first winding frame is provided with the cutting assembly;

[0019] After the paper is accessed to the winding roller, the first winding frame is lowered to make the locking assembly move to stretch and lock the paper, and the paper is automatically edged when winding; after the paper is wound into a paper tube with the required thickness, the cutting assembly is passively triggered to cut the paper, and then the first winding frame is pulled up to make the locking assembly move to shrink, so that the paper tube is convenient to take off.

[0020] As a further preferred embodiment of the present application, the locking assembly comprises a driving square groove arranged at one end of the winding roller, the output end of the winding motor is connected with the driving square groove after penetrating through the first winding frame, one matching inclined surface is arranged above the driving square groove, and the output end of the winding motor is slidingly matched with the matching inclined surface.

[0021] As a further preferred embodiment of the present application, the locking assembly further comprises a winding shaft connected inside the winding roller, the second winding frame is provided with a winding hole, one end of the winding shaft protrudes from the winding roller and is rotatably connected with the winding hole, a winding groove is arranged on the side wall of the winding shaft, a third locking shaft is rotatably connected in the winding groove, a locking curved rod is fixedly connected on the surface of the third locking shaft, a first locking shaft and a second locking shaft are connected on the surface of the locking curved rod, the second locking shaft is rotatable inside the winding roller, a locking groove is arranged on the side wall of the winding roller, a locking strip is slidingly connected in the locking groove, a limiting groove is arranged on the inner side of the locking strip, a conversion groove is arranged on the limiting groove, one end of the locking curved rod is slidingly matched with the limiting groove, and the first locking shaft is slidingly matched with the conversion groove.

[0022] As a further preferred embodiment of the present application, one end of the winding shaft is provided with an unlocking inclined surface, and the connecting frame is slidingly matched with the unlocking inclined surface.

[0023] As a further preferred embodiment of the present application, the first winding frame is provided with a first edge slot, a first edge plate is slidably connected in the first edge slot, and a first thickness plate is fixedly connected to one side surface of the first edge plate.

[0024] As a further preferred embodiment of the present application, the cutting assembly comprises a cutting slot arranged on the upper surface of the first winding frame, a retaining block fixedly connected to one end of the cutting slot, a sliding block slidably connected in the cutting slot, a driving spring connected between the retaining block and the sliding block, a knife holder fixedly connected to the upper surface of the sliding block, and a blade arranged at one end of the knife holder.

[0025] As a further preferred embodiment of the present application, the cutting assembly further comprises a locking slot arranged on the lower surface of the first winding frame, the locking slot being in communication with the cutting slot, a reed connected to the lower surface of the sliding block, a locking piece connected to the lower surface of one end of the reed, the locking piece being slidably connected with the locking slot, an unlocking sleeve connected to the lower end of the locking slot, an unlocking hole arranged in the unlocking sleeve, a limiting cover abutting against the unlocking hole, an unlocking rod slidably arranged in the unlocking hole, and the upper end of the unlocking rod being fixedly connected with the lower end of the limiting cover.

[0026] As a further preferred embodiment of the present application, the device further comprises a table body, a support seat fixedly connected to the lower surface of the table body, a receiving slot arranged on the upper surface of the table body, the first winding frame being slidably fitted with the receiving slot, a mounting slot arranged on one side surface of the table body, a mounting strip slidably connected in the mounting slot, the one side surface of the mounting strip being in abutment with the one side surface of the first winding frame, and a handle arranged on the other side surface of the mounting strip.

[0027] As a further preferred embodiment of the present application, the upper surface of the table body is fixedly connected with two winding-in frames, two first tensioning frames, and two second tensioning frames, the winding-in roller is rotatably connected between the two winding-in frames, the first tensioning roller is rotatably connected between the two first tensioning frames, the second tensioning roller is rotatably connected between the two second tensioning frames, a tensioning slot is arranged on one of the second tensioning frames, an adjusting cylinder is arranged in the tensioning slot, and the output end of the adjusting cylinder is in rotational cooperation with the second tensioning roller.

[0028] In the above technical solution, the air filter paper preparation method and the preparation device provided by the present application have the following beneficial effects:

[0029] The application can make the prepared air filter paper be wound into a cylinder under a certain tension by adding a winding step in the preparation method and by adding a winding device, which helps to keep the flatness and uniformity of the filter paper, prevents the filter paper from appearing wrinkles or relaxation phenomenon in subsequent use, and ensures that the fiber structure of the filter paper keeps stable under a certain pressure, avoids fiber relaxation or aggregation caused by long-time placement, and can also effectively prevent foreign matters such as dust, impurities and oil stains from adhering to the filter paper.

[0030] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and are not intended to limit the disclosure.

[0031] The present application provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0033] Figure 1 The overall structure schematic diagram provided for the embodiments of the present application is shown in the figure.

[0034] Figure 2 The overall structure schematic diagram provided for the embodiments of the present application is shown in the figure.

[0035] Figure 3 The overall structure schematic diagram provided for the embodiments of the present application is shown in the figure. Figure 2 The enlarged structure schematic diagram of A in the figure is shown in the figure.

[0036] Figure 4 The enlarged structure schematic diagram of B in the figure is shown in the figure. Figure 2 The enlarged structure schematic diagram of B in the figure is shown in the figure.

[0037] Figure 5 The local structure schematic diagram provided for the embodiments of the present application is shown in the figure.

[0038] Figure 6 The enlarged structure schematic diagram of C in the figure is shown in the figure. Figure 5 The enlarged structure schematic diagram of C in the figure is shown in the figure.

[0039] Figure 7 The internal structure schematic diagram of the first winding frame provided for the embodiments of the present application is shown in the figure.

[0040] Figure 8 The structure schematic diagram of the winding roller provided for the embodiments of the present application is shown in the figure.

[0041] Figure 9 The internal structure schematic diagram of the winding roller provided for the embodiment of the present application is shown in the figure;

[0042] Figure 10 The internal structure schematic diagram of the winding roller provided for the embodiment of the present application is shown in the figure; Figure 9 The enlarged structure schematic diagram at D in the figure.

[0043] The figure mark explanation is as follows:

[0044] 1, table body; 101, support seat; 102, storage groove; 103, mounting groove; 104, mounting strip; 105, handle; 2, first tensioning frame; 201, first tensioning roller; 202, second tensioning frame; 203, tensioning groove; 204, adjusting cylinder; 205, second tensioning roller; 3, winding-in frame; 301, winding-in roller; 4, first winding frame; 401, hinged frame; 402, second winding frame; 403, cutting groove; 404, first edge winding groove; 405, locking groove; 406, connecting frame; 407, second edge winding groove; 5, first edge winding plate; 501, first thickness plate; 502, second edge winding plate; 503, second thickness plate; 6, sliding block; 601, retaining block; 602, driving spring; 603, knife holder; 604, knife blade; 605, spring piece; 606, locking piece; 607, unlocking sleeve; 608, unlocking rod; 609, limiting cover; 7, winding motor; 701, winding roller; 702, winding locking groove; 703, winding shaft; 704, winding groove; 705, unlocking slope; 706, driving square groove; 707, matching slope; 8, winding locking strip; 801, conversion groove; 802, winding locking curved rod; 803, first winding locking shaft; 804, second winding locking shaft; 805, third winding locking shaft; 806, limiting groove. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantages of the embodiments of the present disclosure clearer, the technical scheme of the embodiments of the present disclosure will be described clearly and completely below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without any inventive effort fall within the protection scope of the present disclosure.

[0046] Please refer to Figure 1 - Figure 10 A method for preparing air filter paper, comprising the following steps:

[0047] S1, wood fibers are subjected to beating treatment, and the beating degree is controlled to be 20°SR to 35°SR, so that the fibers are separated into fibers of appropriate length;

[0048] S2, a small amount of resin or emulsion is added for impregnation, and the impregnation time is 1-2h;

[0049] S3, add a proper amount of chemical synthetic fibers to mix with the treated wood fibers to form a pulp suspension;

[0050] S4, the pulp suspension is formed into a uniform wet paper sheet on the wire section of the paper machine;

[0051] S5, the formed wet paper sheet is dried in the press section and drying section of the paper machine to evaporate water;

[0052] S6, the dried paper sheet is connected to the winding roller, and then sequentially passes through the first tensioning roller and the second tensioning roller, and is connected to the locking assembly;

[0053] S7, the first winding frame is lowered, and the locking assembly is stretched and locked to the paper sheet;

[0054] S8, the winding motor is started to wind the paper sheet, and the paper sheet is automatically trimmed during winding;

[0055] S9, when the paper sheet is wound to the required thickness, the cutting assembly is passively triggered to cut the paper sheet;

[0056] S10, the first winding frame is pulled up, so that the locking assembly moves to shrink and no longer locks the paper sheet, so that the paper cylinder can be conveniently removed.

[0057] The present application adds a winding step in the preparation method, and through the addition of a winding device, the prepared air filter paper can be wound into a cylinder under a certain tension, which helps to maintain the flatness and uniformity of the filter paper, prevents wrinkles or relaxation of the filter paper during subsequent use, and ensures that the fiber structure of the filter paper remains stable under a certain pressure, avoiding fiber relaxation or aggregation caused by long-term storage., dust, impurities, oil stains and other foreign matters can also be effectively prevented from adhering to the filter paper.

[0058] Further, the present application also provides an air filter paper preparation device applied to the above-mentioned air filter paper preparation method, which comprises a winding roller 701, a locking assembly is arranged on the winding roller 701, a winding motor 7 is arranged on the first winding frame 4, a hinged frame 401 and a connecting frame 406 are connected to the lower surface of the first winding frame 4, a second winding frame 402 is hinged to the lower end of the hinged frame 401, and a cutting assembly is arranged on the first winding frame 4.

[0059] After the paper sheet is connected to the winding roller 701, the first winding frame 4 is lowered to stretch and lock the paper sheet by the movement of the locking assembly, and the paper sheet is automatically trimmed during winding; when the paper sheet is wound into a paper cylinder of the required thickness after winding, the cutting assembly is passively triggered to cut the paper sheet, and the first winding frame 4 is pulled up to make the locking assembly move to shrink so that the paper cylinder can be conveniently removed.

[0060] The present application is characterized in that the paper is stretched and locked by the locking assembly, and the paper is automatically trimmed when winding; after the paper is cut by the cutting assembly, the first winding frame 4 is pulled up, and the locking assembly is retracted to facilitate the removal of the paper tube.

[0061] In the further provided embodiment of the present application, the locking assembly comprises a driving square groove 706 arranged at one end of the winding roller 701, and the output end of the winding motor 7 is connected with the driving square groove 706 after penetrating through the first winding frame 4, and the driving square groove 706 is respectively provided with a matching inclined surface 707 at the top and bottom, and the output end of the winding motor 7 is slidingly matched with the matching inclined surface 707.

[0062] Further, the output end of the winding motor 7 is in a square shaft structure, so that the paper does not slip when being wound.

[0063] Further, when the first winding frame 4 is pulled up, the output end of the winding motor 7 is separated from the driving square groove 706, at this time the movement of the winding motor 7 is a circular movement, and the setting of the matching inclined surface 707 prevents the output end of the winding motor 7 from being pulled out and entering, so as to smoothly enter the driving square groove 706.

[0064] In the further provided embodiment of the present application, the locking assembly further comprises a winding shaft 703 connected inside the winding roller 701, and the second winding frame 402 is provided with a winding hole, and one end of the winding shaft 703 extends out of the winding roller 701 and the winding hole and is rotationally connected with the winding hole, and the side wall of the winding shaft 703 is provided with a winding groove 704, and the winding groove 704 is rotationally connected with a third locking shaft 805, and the surface of the third locking shaft 805 is fixedly connected with a locking curved rod 802, and the surface of the locking curved rod 802 is connected with a first locking shaft 803 and a second locking shaft 804, and the second locking shaft 804 rotates inside the winding roller 701, and the side wall of the winding roller 701 is provided with a locking groove 702, and the locking groove 702 is slidingly connected with a locking strip 8, and the inner side of the locking strip 8 is provided with a limiting groove 806, and the limiting groove 806 is provided with a conversion groove 801, and one end of the locking curved rod 802 is slidingly matched with the limiting groove 806, and the first locking shaft 803 is slidingly matched with the conversion groove 801.

[0065] Further, the part of the winding shaft 703 inside the winding roller 701 is square, and the outside is circular, so that the winding shaft 703 smoothly rotates outside and drives the winding roller 701 to rotate without slipping.

[0066] Further, the lock crimping rod 802 is of a '〉' type structure, when the winding shaft 703 is located at the outer side, the lock crimping rod 802 is pulled to drive the lock crimping rod 802 to rotate around the second lock winding shaft 804, so that the lock winding strip 8 is driven to slide outward in the lock winding groove 702 under the action of the conversion groove 801, thereby supporting the paper to provide tension, so that the paper can be driven by the tension to form a paper tube during winding, and the paper tube is continuously supported after being formed to lock the paper tube.

[0067] In further provided embodiments of the present application, the winding shaft 703 is provided with an unlocking slope 705 at one end, and the connecting frame 406 is in sliding fit with the unlocking slope 705.

[0068] Further, the hinge joint between the hinge frame 401 and the second winding frame 402 is a hinge shaft, when the first winding frame 4 is pulled up, the first winding frame 4 is driven to rotate around the hinge shaft under the action of the hinge frame 401 to abut against the unlocking slope 705, thereby driving the winding shaft 703 to slide inward after abutting to make the lock winding strip 8 slide inward and no longer lock the paper tube, thereby making the paper tube be smoothly and conveniently taken out.

[0069] In further provided embodiments of the present application, the first winding frame 4 is provided with a first edge slot 404, the first edge slot 404 is in sliding connection with a first edge plate 5, one side surface of the first edge plate 5 is fixedly connected with a first thickness plate 501, the connecting frame 406 is provided with a second edge slot 407, the second edge slot 407 is in sliding connection with a second edge plate 502, one side surface of the second edge plate 502 is fixedly connected with a second thickness plate 503.

[0070] Further, the first edge plate 5 and the second edge plate 502 abut against the edge of the paper, so that the paper is always in a flush state without outward or inward deviation during winding, thereby ensuring that the edges of the paper are aligned without 'edge deviation' or 'bell mouth' phenomenon during winding.

[0071] Further, the first thickness plate 501 and the second thickness plate 503 are pressed on the outer surface of the paper, and the thickness is continuously increased during winding of the paper into a paper tube, thereby continuously lifting the first thickness plate 501 and the second thickness plate 503 to make the first edge plate 5 and the second edge plate 502 slide upward in the first edge slot 404 and the second edge slot 407.

[0072] In further provided embodiments of the present application, the cutting assembly comprises a cutting groove 403 arranged on the upper surface of the first winding frame 4, one end of the cutting groove 403 is fixedly connected with a retaining block 601, the cutting groove 403 is in sliding connection with a sliding block 6, a driving spring 602 is connected between the retaining block 601 and the sliding block 6, the upper surface of the sliding block 6 is fixedly connected with a knife holder 603, and one end of the knife holder 603 is provided with a blade 604.

[0073] Further, the cutting assembly further comprises a locking groove 405 arranged on the lower surface of the first winding frame 4, the locking groove 405 is communicated with the cutting groove 403, the lower surface of the sliding block 6 is connected with a spring leaf 605, one end of the lower surface of the spring leaf 605 is connected with a locking piece 606, the locking piece 606 is slidably connected with the locking groove 405, the lower end of the locking groove 405 is connected with an unlocking sleeve 607, the unlocking sleeve 607 is internally provided with an unlocking hole, the upper end of the unlocking hole is abutted with a limiting cover 609, an unlocking rod 608 is slidably arranged in the unlocking hole, and the upper end of the unlocking rod 608 is fixedly connected with the lower end of the limiting cover 609.

[0074] Further, when the spring leaf 605 is in a relaxed state, the locking piece 606 is located in the unlocking hole, so that the driving spring 602 is compressed.

[0075] Further, the unlocking rod 608 is located directly above the second thickness plate 503, when the paper tube is wound to the required thickness, the second thickness plate 503 is lifted to abut against the unlocking rod 608, so that the unlocking rod 608 is lifted to lift the locking piece 606 away from the unlocking hole, so that the locking piece 606 no longer locks the sliding block 6, and the driving spring 602 is no longer compressed and is released, so as to drive the sliding block 6 to slide in the cutting groove 403, and further drive the blade 604 to move to cut the paper to complete the winding.

[0076] Specifically, after the paper tube is taken out, under the action of gravity, the first thickness plate 501 and the second thickness plate 503 return to the original position, the unlocking rod 608 falls to the original position under the action of the limiting cover 609, and the knife holder 603 is pulled to compress the spring leaf 605, so that when the locking piece 606 reaches the position of the unlocking hole, the compression amount is released, and the locking piece 606 is lifted into the unlocking hole again.

[0077] Further, the cutting assembly further comprises a table body 1, the lower surface of the table body 1 is fixedly connected with a support seat 101, the upper surface of the table body 1 is provided with a receiving groove 102, the first winding frame 4 is slidably connected with the receiving groove 102, one side surface of the table body 1 is provided with a mounting groove 103, the mounting groove 103 is slidably connected with a mounting strip 104, one side surface of the mounting strip 104 is abutted with one side surface of the first winding frame 4, and the other side surface of the mounting strip 104 is provided with a handle 105.

[0078] Further, the mounting groove 103 is divided into left and right two parts.

[0079] Further, the mounting strip 104 is slid to the left through the handle 105, so as to be separated from the mounting groove 103 on the right side and no longer abut against the outside of the first winding frame 4, so that the first winding frame 4 can be smoothly pulled up.

[0080] Specifically, when the mounting strip 104 abuts against the outer side of the first winding frame 4, the first winding frame 4 is fixed and stable, and will not shake to affect winding.

[0081] In further provided embodiments of the present application, the upper surface of the table body 1 is fixedly connected with two winding-in frames 3, two first tensioning frames 2 and two second tensioning frames 202, the two winding-in frames 3 are rotationally connected with a winding-in roller 301, the two first tensioning frames 2 are rotationally connected with a first tensioning roller 201, the two second tensioning frames 202 are rotationally connected with a second tensioning roller 205, one of the second tensioning frames 202 is provided with a tensioning groove 203, the tensioning groove 203 is provided with an adjusting cylinder 204, and the output end of the adjusting cylinder 204 is rotationally connected with the second tensioning roller 205.

[0082] Further, the vertical position of the second tensioning roller 205 is changed by adjusting the length of the output end of the adjusting cylinder 204, so as to adjust the winding tension of the paper sheet, and the adjusting cylinder 204 can be adjusted at any time to adjust the overall tension by observing the state of the paper sheet during winding.

[0083] Further, the first tensioning roller 201 has two, which are respectively arranged on the two sides of the second tensioning roller 205, so as to adjust the winding direction and tension of the paper sheet.

[0084] In the present application, the staff first carries on the beating treatment to the wood fiber, controls the beating degree to be 20 °SR to 35 °SR, makes the fiber separate into the fiber of proper length, then adds a small amount of resin or emulsion and carries out 1-2h of impregnation, subsequently adds the appropriate chemical synthetic fiber, makes it mix evenly with the wood fiber treated to form the paper pulp suspension, then makes the paper pulp suspension pass through the net part of the paper machine and is formed, and after the wet paper sheet is formed, it is placed in the pressing part and drying part of the paper machine to dry, evaporates the water, then the dried paper sheet is connected through the entry roll 301, and after passing through the two first tensioning rollers 201 and the second tensioning roller 205 in turn, it is connected to the winding roller 701. When connecting, the first edge plate 5 and the second edge plate 502 are abutted on the edge of the paper sheet, the first thickness plate 501 and the second thickness plate 503 are pressed on the outer surface of the paper sheet; and the winding shaft 703 is pulled outward, so that the lock winding crank 802 is driven to rotate around the second lock winding shaft 804, so that the lock winding strip 8 slides outward in the lock winding groove 702 under the action of the conversion groove 801, thereby supporting the paper sheet to provide tension, finally, the winding motor 7 is started to drive the winding roller 701 to rotate, so that the paper sheet is wound into a paper cylinder, and the adjusting cylinder 204 is adjusted to adjust the overall tension of the paper sheet during winding. During winding, the thickness of the paper cylinder increases during winding, thereby continuously lifting the first thickness plate 501 and the second thickness plate 503 to make them rise, thereby making the first edge plate 5 and the second edge plate 502 slide upward in the first edge groove 404 and the second edge groove 407, until the paper cylinder reaches the required thickness, the second thickness plate 503 rises and abuts to the unlocking rod 608, so that the unlocking rod 608 rises, the locking piece 606 is lifted away from the unlocking hole, so that the locking piece 606 no longer locks the sliding block 6, thereby releasing the compression of the driving spring 602, so that the sliding block 6 slides in the cutting groove 403, thereby driving the blade 604 to move to cut the paper sheet to complete the winding. After winding is completed, the winding motor 7 is turned off, and the handle 105 is pulled to the left to slide the mounting strip 104 out of the mounting groove 103 on the right side, and the mounting strip 104 no longer abuts the outside of the first winding frame 4, then the first winding frame 4 is pulled open, so that the first winding frame 4 rotates around the hinge shaft to open, thereby abutting to the unlocking slope 705, thereby driving the winding shaft 703 to slide inward after abutting, thereby driving the lock winding crank 802 to rotate to reset, so that the lock winding strip 8 slides inward and no longer supports the inner wall of the paper cylinder, thereby making it easy and convenient to take out the auxiliary paper cylinder.

[0085] The foregoing merely illustrates some exemplary embodiments of the application, and it will be appreciated that those skilled in the art will be able to devise various modifications without departing from the spirit and scope of the application. The appended drawings and description are illustrative only, and are not intended to be limiting.

Claims

1. A method for preparing air filter paper, characterized in that: The steps include: S1, beating the wood fibers, controlling the beating degree to be between 20°SR and 35°SR, so that the fibers are separated into fibers of appropriate length; S2. Add a small amount of resin or emulsion for impregnation, and the impregnation time is 1 to 2 hours; S3, adding an appropriate amount of chemical synthetic fiber and mixing it with the treated wood fiber to form a pulp suspension; S4, passing the pulp suspension through the wire portion of the papermaking machine for papermaking, so that the pulp forms a uniform wet paper sheet on the wire portion; S5, drying the formed wet paper sheet in the press section and drying section of the paper machine to evaporate the water; S6. The dried paper sheet is fed into the roll through the feeding roller, and then passes through the first tensioning roller and the second tensioning roller in sequence, and then is fed into the locking roll assembly; S7, lowering the first reel frame so that the locking assembly can stretch and lock the paper sheet; S8, starting the reeling motor to reel the paper sheet, and automatically trimming the edges of the paper sheet during reeling; S9, after the paper sheet is rolled up to the required thickness, the cutting component is passively triggered to cut the paper sheet; S10, pulling up the first rewinding frame, causing the locking assembly to move and retract, and no longer locking the paper sheet, so that the paper roll can be easily removed; It also includes a winding roller (701), the winding roller (701) is provided with the roll locking assembly, the first winding frame (4) is provided with the winding motor (7), the lower surface of the first winding frame (4) is connected to a hinge frame (401) and a connecting frame (406), the lower end of the hinge frame (401) is hinged to a second winding frame (402), and the first winding frame (4) is provided with the cutting assembly; After the paper sheet is connected to the reeling roller (701), the first reeling frame (4) is lowered, so that the locking assembly moves to stretch and lock the paper sheet, and automatically trims the edge of the paper sheet during reeling; after the reeling is completed, when the paper sheet is rolled into a paper roll of the required thickness, the cutting assembly is passively triggered to cut the paper sheet, and the first reeling frame (4) is pulled up, so that the locking assembly moves and contracts so that the paper roll can be easily removed; The locking roll assembly includes a driving square groove (706) provided at one end of the winding roller (701), and the output end of the winding motor (7) passes through the first winding frame (4) and is connected to the driving square groove (706), and the driving square groove (706) is provided with a matching inclined surface (707) at the top and bottom, respectively, and the output end of the winding motor (7) is slidably matched with the matching inclined surface (707); The locking roll assembly further comprises a winding shaft (703) connected to the inside of the winding roller (701), and a winding hole is provided on the second winding frame (402), and one end of the winding shaft (703) extends out from the winding roller (701) and the winding hole and is rotatably connected to the winding hole, and a winding groove (704) is provided on the side wall of the winding shaft (703), and a third locking roll shaft (805) is rotatably connected in the winding groove (704), and a locking curling rod (802) is fixedly connected to the surface of the third locking roll shaft (805), and the surface of the locking curling rod (802) is connected to the first locking roll shaft. The invention relates to a roller-type automatic locking device, wherein the roller-type automatic locking device comprises a shaft (803) and a second locking reel (804), and the second locking reel (804) rotates inside the reeling roller (701), and a locking reel groove (702) is provided on the side wall of the reeling roller (701), and a locking reel bar (8) is slidably connected in the locking reel groove (702), and a limiting groove (806) is provided on the inner side of the locking reel bar (8), and a conversion groove (801) is provided on the limiting groove (806), and one end of the locking reel rod (802) is slidably matched with the limiting groove (806), and the first locking reel (803) is slidably matched with the conversion groove (801).

2. An air filter paper preparation device, which is applied to the air filter paper preparation method according to claim 1, characterized in that: The invention comprises a winding roller (701), the winding roller (701) is provided with the roll locking assembly, the first winding frame (4) is provided with the winding motor (7), the lower surface of the first winding frame (4) is connected to a hinge frame (401) and a connecting frame (406), the lower end of the hinge frame (401) is hinged to a second winding frame (402), and the first winding frame (4) is provided with the cutting assembly; After the paper sheet is connected to the reeling roller (701), the first reeling frame (4) is lowered, so that the locking assembly moves to stretch and lock the paper sheet, and automatically trims the edge of the paper sheet during reeling; after the reeling is completed, when the paper sheet is rolled into a paper roll of the required thickness, the cutting assembly is passively triggered to cut the paper sheet, and the first reeling frame (4) is pulled up, so that the locking assembly moves and contracts so that the paper roll can be easily removed; The locking roll assembly includes a driving square groove (706) provided at one end of the winding roller (701), and the output end of the winding motor (7) passes through the first winding frame (4) and is connected to the driving square groove (706), and the driving square groove (706) is provided with a matching inclined surface (707) at the top and bottom, respectively, and the output end of the winding motor (7) is slidably matched with the matching inclined surface (707); The locking roll assembly further comprises a winding shaft (703) connected to the inside of the winding roller (701), and a winding hole is provided on the second winding frame (402), and one end of the winding shaft (703) extends out from the winding roller (701) and the winding hole and is rotatably connected to the winding hole, and a winding groove (704) is provided on the side wall of the winding shaft (703), and a third locking roll shaft (805) is rotatably connected in the winding groove (704), and a locking curling rod (802) is fixedly connected to the surface of the third locking roll shaft (805), and the surface of the locking curling rod (802) is connected to the first locking roll shaft. The invention relates to a roller-type automatic locking device, wherein the roller-type automatic locking device comprises a shaft (803) and a second locking reel (804), and the second locking reel (804) rotates inside the reeling roller (701), and a locking reel groove (702) is provided on the side wall of the reeling roller (701), and a locking reel bar (8) is slidably connected in the locking reel groove (702), and a limiting groove (806) is provided on the inner side of the locking reel bar (8), and a conversion groove (801) is provided on the limiting groove (806), and one end of the locking reel rod (802) is slidably matched with the limiting groove (806), and the first locking reel (803) is slidably matched with the conversion groove (801).

3. The air filter paper preparation device according to claim 2, characterized in that: An unlocking inclined surface (705) is provided at one end of the reeling shaft (703), and the connecting frame (406) is in sliding engagement with the unlocking inclined surface (705).

4. The air filter paper preparation device according to claim 2, characterized in that: The first winding frame (4) is provided with a first edge trimming groove (404), a first edge trimming plate (5) is slidably connected in the first edge trimming groove (404), and a first thickness plate (501) is fixedly connected to a side surface of the first edge trimming plate (5); the connecting frame (406) is provided with a second edge trimming groove (407), a second edge trimming plate (502) is slidably connected in the second edge trimming groove (407), and a second thickness plate (503) is fixedly connected to a side surface of the second edge trimming plate (502).

5. The air filter paper preparation device according to claim 2, characterized in that: The cutting assembly comprises a cutting groove (403) arranged on the upper surface of the first winding frame (4), and a retaining block (601) is fixedly connected to one end of the cutting groove (403), and a sliding block (6) is slidably connected in the cutting groove (403), and a driving spring (602) is connected between the retaining block (601) and the sliding block (6), and a knife holder (603) is fixedly connected to the upper surface of the sliding block (6), and a blade (604) is provided at one end of the knife holder (603).

6. The air filter paper preparation device according to claim 5, characterized in that: The cutting assembly further comprises a locking groove (405) arranged on the lower surface of the first winding frame (4), and the locking groove (405) is communicated with the cutting groove (403), and the lower surface of the sliding block (6) is connected with a spring (605), and the lower surface of one end of the spring (605) is connected with a locking member (606), and the locking member (606) is slidably connected to the locking groove (405), and the lower end of the locking groove (405) is connected with an unlocking sleeve (607), and an unlocking hole is provided in the unlocking sleeve (607), and a limiting cover (609) is abutted on the unlocking hole, and an unlocking rod (608) is slidably provided in the unlocking hole, and the upper end of the unlocking rod (608) is fixedly connected to the lower end of the limiting cover (609).

7. The air filter paper preparation device according to claim 2, characterized in that: The utility model further comprises a platform (1), wherein a support seat (101) is fixedly connected to the lower surface of the platform (1), a storage groove (102) is provided on the upper surface of the platform (1), the first winding frame (4) is slidably matched with the storage groove (102), a mounting groove (103) is provided on one side surface of the platform (1), a mounting bar (104) is slidably connected in the mounting groove (103), a surface of one side of the mounting bar (104) is grounded to a surface of one side of the first winding frame (4), and a handle (105) is provided on the other side surface of the mounting bar (104).

8. The air filter paper preparation device according to claim 7, characterized in that: Two roll-in frames (3), two first tensioning frames (2) and two second tensioning frames (202) are fixedly connected to the upper surface of the platform (1); the roll-in roller (301) is rotatably connected between the two roll-in frames (3); the first tensioning roller (201) is rotatably connected between the two first tensioning frames (2); and the second tensioning roller (205) is rotatably connected between the two second tensioning frames (202); one of the second tensioning frames (202) is provided with a tensioning groove (203); an adjusting cylinder (204) is provided in the tensioning groove (203); and an output end of the adjusting cylinder (204) is rotatably matched with the second tensioning roller (205).

Citation Information

Patent Citations

  • Thermosetting internal combustion engine filter paper and preparation method thereof

    CN114687249A

  • Winding device for wood pulp base paper production

    CN115893067A