A filtering device for adhesive production

By setting up an air pump to generate negative pressure and cleaning brushes in the filter device for polyurethane adhesive production, the problems of low filtration efficiency and difficulty in cleaning unqualified raw materials in the prior art are solved, and more efficient filtration and longer equipment service life are achieved.

CN222709149UActive Publication Date: 2025-04-04HARBIN YONGQI CHEM CO LTD
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Patent Information

Application Number
CN202420434338.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-07
Publication Date
2025-04-04
Estimated Expiration
2034-03-07

AI Technical Summary

Technical Problem

The existing filter devices for polyurethane adhesive production have low filtration efficiency and are difficult to clean unqualified raw materials.

Method used

By setting up an air pump in the filter device, negative pressure is generated, so that external air enters the lower chamber through the air inlet, and raw materials are adsorbed at the bottom end of the inner wall of the drum, making it easier to pass through the filter hole and improve filtration efficiency. At the same time, air passes through the filter hole to rinse the clogged objects, clean the brush and clean the residue on the surface of the drum, and keep the filter hole clean.

Benefits of technology

It improves filtration efficiency, protects the filter mechanism, and simplifies the cleaning process of unqualified raw materials and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222709149U_ABST
    Figure CN222709149U_ABST
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Abstract

The utility model discloses a filtering device for adhesive production, comprising a box body, a roller is arranged inside the box body, filter holes are arranged on the roller, one end of the roller is fixedly connected to a rotating shaft, the other end of the roller is fixedly connected to a connecting cylinder, the interior of the connecting cylinder is communicated with the interior of the roller, a material box is installed on one side of the box body, one end of the connecting cylinder passes through the box body and is communicated with the material box, the connecting cylinder and the box body are rotatably connected via a bearing, and a movable cover is arranged on the top of the material box. The filtering device for adhesive production of the utility model uses an air pump to evacuate the interior of a lower cavity to generate negative pressure, so that external air enters the lower cavity through an air inlet and flows through an upper cavity and the interior of the roller, so that the raw material is adsorbed on the bottom end of the inner wall of the roller, so that the raw material can pass through the filter holes more easily, thereby effectively improving the filtering efficiency. Compared with traditional vibration filtering, the filtering mechanism is protected while the filtering efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of adhesive production, in particular to a filtering device for adhesive production. Background Art

[0002] Adhesive is one of the six major polymer materials (adhesive, coating, plastic, rubber, fiber, polymer-based composite materials). According to chemical composition, adhesives are mainly divided into: 1. Organic silicone adhesive 2. Epoxy resin adhesive 3. Polyurethane adhesive. Polyurethane is an emerging organic polymer material, which is widely used in many fields of the national economy due to its excellent performance. The product application fields involve light industry, chemical industry, electronics, textiles, medical treatment, construction, building materials, automobiles, national defense, aerospace, aviation, etc.

[0003] Existing polyurethane adhesives require polyurethane materials with appropriate particle sizes during the production process, which then need to be filtered.

[0004] The existing Chinese patent with publication number CN 212594206U discloses a filtering device for polyurethane adhesive production, including a shell, the left and right sides of the shell are fixed by a fixing frame, the top of the shell is provided with a feed port, the feed port is in a cylindrical structure, and the inner walls of the left and right ends of the shell are respectively welded with two fixing frames, the fixing frames are in a rectangular structure. The utility model reduces the amplitude of the filtering device by setting a shock absorbing mechanism, and the filter screen is not easily damaged during the filtering process.

[0005] However, the above patent still has some shortcomings. By setting up a shock-absorbing mechanism, the amplitude of the filter device is reduced. Although the filter net is protected, it will also cause the filtration efficiency of the filter device to be relatively slow, and it is difficult to clean up and discharge unqualified raw materials after screening. Utility Model Content

[0006] In order to solve the deficiencies mentioned in the above-mentioned background technology, the purpose of the utility model is to provide a filtering device for adhesive production, which uses an air pump to evacuate the interior of the lower cavity to generate negative pressure, so that the outside air enters the lower cavity through the air inlet and flows through the upper cavity and the interior of the drum, so that the raw materials are adsorbed on the bottom end of the inner wall of the drum, making it easier for the raw materials to pass through the filter holes, effectively improving the filtration efficiency. Compared with traditional vibration filtration, it protects the filtration mechanism and improves the filtration efficiency at the same time.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] A filtering device for adhesive production comprises a box body, wherein a drum is arranged inside the box body, and filter holes are arranged on the drum, one end of the drum is fixedly connected to a rotating shaft, and the other end of the drum is fixedly connected to a connecting cylinder, the interior of the connecting cylinder is communicated with the interior of the drum, a material box is installed on one side of the box body, one end of the connecting cylinder passes through the box body and is communicated with the material box, so that raw materials can enter the drum through the connecting cylinder for filtering, the connecting cylinder and the box body are rotatably connected via a bearing, a movable cover is arranged on the top of the material box, which is convenient for adding raw materials and cleaning the material box, and a slag cleaning door is arranged on the side of the material box away from the box body, the height of the slag cleaning door is adapted to the height of the drum, which is convenient for opening and closing the slag cleaning door and convenient for cleaning unqualified raw materials, and an air inlet is arranged on the top of the box body.

[0009] Further preferably, a limit block is sleeved on the outer surface of the drum, the outer surface of the drum is fitted with the inner surface of the limit block, the limit block is provided with open openings at both upper and lower ends, the top and bottom ends of the drum extend into the two open openings respectively, the limit block is fixedly installed inside the box, and the limit block and the drum divide the interior of the box into an upper cavity and a lower cavity.

[0010] Further preferably, an air pump is provided on one side of the box body, and the air suction end of the air pump is connected to the interior of the box body. Air is sucked by the air pump to generate negative pressure, so that the raw materials are better adsorbed on the drum, thereby improving the filtering efficiency.

[0011] Further preferably, a cleaning brush is provided on the top of the limit block, and the active end of the cleaning brush is in contact with the outer surface of the drum. Through the rotation of the drum, the residues in the filter holes of the drum can be cleaned, thereby keeping the drum clean and improving the filtering efficiency.

[0012] Further preferably, one end of the rotating shaft passes through the box body and extends to the outside of the box body, a mounting plate is provided on the box body, and a driving motor is mounted on the mounting plate.

[0013] Further preferably, the output end of the driving motor is fixedly connected with a driving gear, the end of the rotating shaft outside the box is fixedly connected with a connecting gear, and the driving gear is meshed with the connecting gear.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model uses an air pump to evacuate the interior of the lower cavity to generate negative pressure, so that the outside air enters the lower cavity through the air inlet and flows through the upper cavity and the inside of the drum, so that the raw materials are adsorbed on the bottom end of the inner wall of the drum, making it easier for the raw materials to pass through the filter holes, effectively improving the filtration efficiency. Compared with traditional vibration filtration, it protects the filtration mechanism and improves the filtration efficiency, and can be widely used in adhesive production lines of different sizes and types;

[0016] 2. When the air passes through the filter holes on the top of the drum, the utility model will flush out the blockages in the filter holes, thereby cleaning the drum. The cleaning brush cleans the residues on the surface of the drum as the drum rotates, avoiding blockage of the filter holes that affects the filtering efficiency, thereby increasing the service life. The overall structure is simple, compact, easy to operate and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

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

[0019] Figure 2 This is a schematic diagram of the structure of the material box in the utility model;

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

[0021] Figure 4 It is a cross-sectional view of the internal structure of the box body of the utility model.

[0022] In the figure:

[0023] 1. Box body; 2. Drum; 3. Filter hole; 4. Rotating shaft; 5. Connecting cylinder; 6. Material box; 7. Movable cover; 8. Slag cleaning door; 9. Air inlet; 10. Limit block; 11. Opening mouth; 12. Upper cavity; 13. Lower cavity; 14. Air pump; 15. Cleaning brush; 16. Mounting plate; 17. Driving motor; 18. Driving gear; 19. Connecting gear. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in 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.

[0025] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0026] like Figure 1-4As shown, a filtering device for adhesive production comprises a box body 1, wherein a drum 2 is arranged inside the box body 1, and filter holes 3 are arranged on the drum 2, one end of the drum 2 is fixedly connected to a rotating shaft 4, and the other end of the drum 2 is fixedly connected to a connecting cylinder 5, the interior of the connecting cylinder 5 is communicated with the interior of the drum 2, a material box 6 is installed on one side of the box body 1, one end of the connecting cylinder 5 passes through the box body 1 and is communicated with the material box 6, so that raw materials can enter the drum 2 through the connecting cylinder 5 for filtration, the connecting cylinder 5 and the box body 1 are rotatably connected through bearings, a movable cover 7 is arranged on the top of the material box 6, which is convenient for adding raw materials and cleaning the material box 6, and a slag cleaning door 8 is arranged on the side of the material box 6 away from the box body 1, and the height of the slag cleaning door 8 is adapted to the height of the drum 2, so that the slag cleaning door 8 is convenient for opening and closing, and unqualified raw materials are convenient for cleaning, and an air inlet 9 is opened on the top of the box body 1.

[0027] In another embodiment, a limit block 10 is sleeved on the outer surface of the drum 2, and the outer surface of the drum 2 fits with the inner surface of the limit block 10. Open openings 11 are provided at both upper and lower ends of the limit block 10. The top and bottom ends of the drum 2 extend into the two open openings 11 respectively. The limit block 10 is fixedly installed inside the box body 1, and the limit block 10 and the drum 2 divide the interior of the box body 1 into an upper cavity 12 and a lower cavity 13.

[0028] In another embodiment, an air pump 14 is provided on one side of the box body 1, and the air suction end of the air pump 14 is connected to the interior of the box body 1. Air is sucked by the air pump 14 to generate negative pressure, so that the raw materials are better adsorbed on the drum 2, thereby improving the filtering efficiency.

[0029] In another embodiment, a cleaning brush 15 is provided on the top of the limit block 10, and the active end of the cleaning brush 15 is in contact with the outer surface of the drum 2. By rotating the drum 2, the residues in the filter holes 3 of the drum 2 can be cleaned to keep the drum 2 clean and improve the filtering efficiency.

[0030] In another embodiment, one end of the rotating shaft 4 passes through the box body 1 and extends to the outside of the box body 1 . A mounting plate 16 is provided on the box body 1 , and a driving motor 17 is installed on the mounting plate 16 .

[0031] In another embodiment, the output end of the driving motor 17 is fixedly connected to a driving gear 18 , and one end of the rotating shaft 4 located outside the housing 1 is fixedly connected to a connecting gear 19 , and the driving gear 18 meshes with the connecting gear 19 .

[0032] The workflow of using this device is as follows:

[0033] 1. Add raw materials into the material box 6 and close the material box 6 with the movable cover 7;

[0034] 2. Start the driving motor 17, the driving gear 18 drives the connecting gear 19 and the rotating shaft 4 to rotate, and then drives the drum 2 to rotate;

[0035] 3. The air pump 14 evacuates the lower cavity 13 to generate negative pressure, so that the outside air passes through the air inlet 9 and flows through the upper cavity 12 and the drum 2 into the lower cavity 13, so that the raw materials are adsorbed on the bottom end of the inner wall of the drum 2, and the air passes through the filter hole 3 on the top of the drum 2 to flush the blockage in the filter hole 3, thereby cleaning the drum 2;

[0036] 4. The raw materials roll on the drum 2 and are filtered through the filter holes 3. Qualified raw materials enter the lower cavity 13 through the connecting tube 5 for collection, and unqualified raw materials remain on the drum 2;

[0037] 5. The cleaning brush 15 cleans the residue on the surface of the drum 2 as the drum 2 rotates;

[0038] 6. When it is necessary to clean up unqualified raw materials, open the slag cleaning door 8 and discharge the unqualified raw materials from the slag cleaning port.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A filtering device for adhesive production, characterized in that: The invention comprises a casing (1), wherein a roller (2) is arranged inside the casing (1), wherein a filter hole (3) is arranged on the roller (2), wherein one end of the roller (2) is fixedly connected to a rotating shaft (4), wherein the other end of the roller (2) is fixedly connected to a connecting tube (5), wherein the interior of the connecting tube (5) is communicated with the interior of the roller (2), wherein a material box (6) is installed on one side of the casing (1), wherein one end of the connecting tube (5) passes through the casing (1) and is communicated with the material box (6), wherein the connecting tube (5) and the casing (1) are rotatably connected via a bearing, wherein a movable cover (7) is arranged on the top of the material box (6), wherein a slag cleaning door (8) is arranged on the side of the material box (6) away from the casing (1), wherein the height of the slag cleaning door (8) is adapted to the height of the roller (2), and an air inlet (9) is arranged on the top of the casing (1).

2. The filtration device for adhesive production according to claim 1, characterized in that: The outer surface of the roller (2) is sleeved with a limit block (10), the outer surface of the roller (2) is in contact with the inner surface of the limit block (10), the limit block (10) has open openings (11) at both upper and lower ends, the top and bottom ends of the roller (2) extend into the two open openings (11) respectively, the limit block (10) is fixedly mounted inside the box (1), and the limit block (10) and the roller (2) divide the interior of the box (1) into an upper cavity (12) and a lower cavity (13).

3. The filtration device for adhesive production according to claim 2, characterized in that: A cleaning brush (15) is provided on the top of the limiting block (10), and the active end of the cleaning brush (15) is in contact with the outer surface of the roller (2).

4. The filtration device for adhesive production according to claim 1, characterized in that: An air pump (14) is provided on one side of the box body (1), and an air suction end of the air pump (14) is connected to the interior of the box body (1).

5. The filtration device for adhesive production according to claim 1, characterized in that: One end of the rotating shaft (4) passes through the box body (1) and extends to the outside of the box body (1); a mounting plate (16) is provided on the box body (1), and a driving motor (17) is mounted on the mounting plate (16).

6. The filtration device for adhesive production according to claim 5, characterized in that: The output end of the driving motor (17) is fixedly connected to a driving gear (18), and one end of the rotating shaft (4) located outside the box (1) is fixedly connected to a connecting gear (19), and the driving gear (18) is meshed with the connecting gear (19).

Citation Information

Patent Citations

  • Filtering device for producing polyurethane adhesive

    CN212594206U