A filtration mechanism for pressure-sensitive adhesive production

Abstract

This utility model discloses a filtration mechanism for pressure-sensitive adhesive production, including a base. Two L-shaped fixing columns are fixedly connected to the upper surface of the base. A substrate is fixedly connected to one end of each L-shaped fixing column. A feed pipe is fixedly connected to the upper surface of the substrate. A filter plate and a guide bucket are fixedly connected inside the substrate, with the guide bucket located below the filter plate. This utility model incorporates a servo motor, a rotating column, heating tubes, and arc-shaped scrapers. The servo motor drives the rotating column to rotate, which in turn drives multiple heating tubes to rotate, heating and stirring the pressure-sensitive adhesive to ensure uniform heating. Simultaneously, the rotating column drives two arc-shaped scrapers to rotate on the upper surface of the filter plate. The arc-shaped scrapers push impurities on the upper surface of the filter plate towards a waste box, preventing large amounts of impurities from accumulating on the filter plate and causing blockage, thus reducing filtration efficiency.

Description

Technical Field

[0001] This utility model relates to the field of pressure-sensitive adhesive technology, and in particular to a filtration mechanism for the production of pressure-sensitive adhesive. Background Technology

[0002] Pressure-sensitive adhesive (PSA) is the main raw material for making PSA tape. It is an adhesive that is sensitive to pressure. During the production process of PSA, there are many impurities in the raw materials. Generally, impurities are removed by a filtration device. However, when using the waste filtration device for PSA production, the high viscosity of the raw materials leads to poor flowability, and the plastic passes through the filter screen slowly, resulting in an unsatisfactory filtration effect. To address this, the patent publication number CN218530039U discloses "a waste filtration device for PSA production". This design is equipped with heating tubes and cams. After the raw materials enter the matrix through the feed inlet, they come into contact with multiple sets of heating tubes for heating, increasing the flowability of the adhesive raw materials and increasing the rate at which the raw materials pass through the filter screen. The motor output drives the first bevel gear and the second bevel gear to mesh and transmit power, causing the connecting shaft to drive the cam to squeeze the mounting plate. The movable plate reciprocates left and right to achieve a vibration effect, further accelerating the rate at which the raw materials pass through the filter screen, and quickly filtering impurities in the adhesive raw materials through the filter screen.

[0003] However, in this solution, the speed at which the raw materials pass through the filter screen is accelerated by the vibration of the filter screen, but the impurities after filtration will still accumulate on the filter screen. If too much accumulation occurs, it will cause the filter screen to become clogged and affect the filtration efficiency. Therefore, a filtration mechanism for pressure-sensitive adhesive production is proposed. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a filtration mechanism for pressure-sensitive adhesive production.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a filter mechanism for pressure-sensitive adhesive production, comprising a base, two L-shaped fixing columns fixedly connected to the upper surface of the base, a substrate fixedly connected to one end of the two L-shaped fixing columns facing each other, a feed pipe fixedly connected to the upper surface of the substrate, a filter plate and a guide bucket fixedly connected inside the substrate, the guide bucket being located below the filter plate, a sliding groove being provided on the opposite side of the filter plate, a sealing frame being fixedly connected to the opposite side of the substrate, a quick-release structure being provided on the opposite side of each sealing frame, and a rotating structure being provided on the substrate; The rotating structure includes a rotating column rotatably connected to the top of the substrate. Multiple heating tubes and two arc-shaped scrapers are fixedly connected to the rotating column. The bottom of each arc-shaped scraper is in contact with the upper surface of the filter plate. The rotating column drives the multiple heating tubes to rotate, heating and stirring the pressure-sensitive adhesive to ensure uniform heating. Simultaneously, the rotating column drives the two arc-shaped scrapers to rotate on the upper surface of the filter plate, pushing impurities from the upper surface of the filter plate towards the waste box, preventing large amounts of impurities from accumulating on the filter plate, causing blockage, and affecting filtration efficiency.

[0006] As a further description of the above technical solution: A servo motor is fixedly connected to the upper surface of the substrate, and the output shaft of the servo motor is fixedly connected to one end of the rotating column, so that the servo motor drives the rotating column to rotate.

[0007] As a further description of the above technical solution: Each of the sealing frames has a waste frame slidably connected inside, and each waste frame has two sealing grooves. Each sealing groove has a sealing ring snapped into it. Each waste frame is slidably connected to the corresponding sliding groove. Each waste frame has a snap-fit ​​hole on the side away from each other. The sealing rings prevent pressure-sensitive adhesive from leaking from the connection between the waste frame and the sealing frame.

[0008] As a further description of the above technical solution: The quick-release structure includes a fixed frame fixedly connected to one side of the sealing frame. A sliding rod is slidably connected through one side of the fixed frame. A handle is rotatably connected to one end of the sliding rod. One side of the handle is in contact with the outer side of the fixed frame. Moving the handle causes the handle to move the sliding rod.

[0009] As a further description of the above technical solution: The other end of the sliding rod is fixedly connected to a snap-fit ​​post. The snap-fit ​​post is slidably connected to the corresponding side of the sealing frame and is adapted to the corresponding snap-fit ​​hole. The sliding rod drives the snap-fit ​​post to move and compresses the return spring, causing the snap-fit ​​post to disengage from the snap-fit ​​hole.

[0010] As a further description of the above technical solution: A return spring is fitted on the sliding rod. One end of the return spring is fixedly connected to the inside side of the fixed frame, and the other end is fixedly connected to one side of the snap-fit ​​post. Through the elastic reset of the return spring, the snap-fit ​​post is pushed into the corresponding snap-fit ​​hole to snap and fix the waste frame.

[0011] As a further description of the above technical solution: The substrate is fixedly connected to a support plate inside. The upper surface of the support plate is fixedly connected to an arc-shaped fixing plate. The upper surface of the support plate is provided with multiple through grooves. The filtered pressure-sensitive adhesive falls onto the arc-shaped fixing plate through a guide bucket, then flows downward along the arc-shaped fixing plate, flows through multiple through grooves to the inner bottom of the substrate, and flows out from the bottom discharge pipe.

[0012] This utility model has the following beneficial effects: 1. Compared with existing technologies, this filtration mechanism for pressure-sensitive adhesive production incorporates a servo motor, a rotating column, heating elements, and arc-shaped scrapers. The servo motor drives the rotating column to rotate, which in turn drives multiple heating elements to rotate, heating and stirring the pressure-sensitive adhesive to ensure uniform heating. Simultaneously, the rotating column drives two arc-shaped scrapers to rotate on the upper surface of the filter plate. These scrapers push impurities from the upper surface of the filter plate towards the waste box, preventing large amounts of impurities from accumulating on the filter plate, causing blockage, and affecting filtration efficiency.

[0013] 2. Compared with the existing technology, the filter mechanism for pressure-sensitive adhesive production is equipped with a fixed frame, sliding rod, snap-fit ​​post, handle and return spring. When the handle is turned, the handle moves the sliding rod, which in turn moves the snap-fit ​​post and compresses the return spring, causing the snap-fit ​​post to disengage from the snap-fit ​​hole. Then the waste frame can be pulled out, making it convenient for workers to clean the impurities inside. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of a filtration mechanism for pressure-sensitive adhesive production proposed in this utility model; Figure 2 This is a cross-sectional view of a filtration mechanism for pressure-sensitive adhesive production proposed in this utility model; Figure 3 This is a schematic diagram of the filter plate and waste frame of a filtration mechanism for pressure-sensitive adhesive production proposed in this utility model; Figure 4 This is an exploded view of the filter plate and waste frame of a filtration mechanism for pressure-sensitive adhesive production proposed in this utility model; Figure 5 This is a schematic diagram of the rotating structure of a filter mechanism for pressure-sensitive adhesive production proposed in this utility model; Figure 6 This is a schematic diagram of a quick-disassembly structure for a filter mechanism used in the production of pressure-sensitive adhesives, as proposed in this utility model. Figure 7 This is an exploded view of the quick-disassembly structure of a filter mechanism for pressure-sensitive adhesive production proposed in this utility model; Figure 8 This is a schematic diagram of the arc-shaped fixing plate of a filter mechanism for pressure-sensitive adhesive production proposed in this utility model.

[0015] Legend: 1. Base; 2. L-shaped fixing column; 3. Base body; 4. Feed pipe; 5. Filter plate; 6. Rotating structure; 601. Servo motor; 602. Rotating column; 603. Heating tube; 604. Arc-shaped scraper; 7. Sliding groove; 8. Waste frame; 9. Sealing ring; 10. Quick-release structure; 101. Fixing frame; 102. Sliding rod; 103. Snap-fit ​​column; 104. Handle; 105. Return spring; 11. Guide hopper; 12. Support plate; 13. Arc-shaped fixing plate; 14. Through groove; 15. Sealing frame. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Reference Figures 1 to 8 This utility model provides a filtration mechanism for pressure-sensitive adhesive production: It includes a base 1, with two L-shaped fixing columns 2 fixedly connected to the upper surface of the base 1. A base 3 is fixedly connected to one end of each L-shaped fixing column 2. A feed pipe 4 is fixedly connected to the upper surface of the base 3. A filter plate 5 and a guide bucket 11 are fixedly connected inside the base 3. The filter plate 5 is made of stainless steel. The guide bucket 11 is located below the filter plate 5. A sliding groove 7 is provided on the opposite side of the filter plate 5. A sealing frame 15 is fixedly connected to the opposite side of the base 3. Each sealing frame 15 has a quick-release structure 10 on its opposite side. A waste frame 8 is slidably connected inside each sealing frame 15. Each waste frame 8 has two sealing grooves. Each frame is fitted with a sealing ring 9, which is made of high-temperature resistant fluororubber. The sealing ring 9 prevents the pressure-sensitive adhesive from leaking from the connection between the waste frame 8 and the sealing frame 15. Each waste frame 8 is slidably connected to the corresponding sliding groove 7. Each waste frame 8 has a snap-fit ​​hole on the side away from each other. The base 3 is provided with a rotating structure 6. The base 3 is fixedly connected with a support plate 12. The upper surface of the support plate 12 is fixedly connected with an arc-shaped fixing plate 13. The upper surface of the support plate 12 has multiple through grooves 14. The filtered pressure-sensitive adhesive falls onto the arc-shaped fixing plate 13 through the guide bucket 11, then flows down along the arc-shaped fixing plate 13, flows through multiple through grooves 14 to the inner bottom of the base 3, and flows out from the bottom discharge pipe. The rotating structure 6 includes a rotating column 602 rotatably connected to the top of the base 3. A servo motor 601 is fixedly connected to the upper surface of the base 3. The output shaft of the servo motor 601 is fixedly connected to one end of the rotating column 602. Multiple heating tubes 603 and two arc-shaped scrapers 604 are fixedly connected to the rotating column 602. Each arc-shaped scraper 604 is made of stainless steel to improve its wear resistance. The bottom of each arc-shaped scraper 604 is in contact with the upper surface of the filter plate 5. 01 drives the rotating column 602 to rotate, which in turn drives multiple heating tubes 603 to rotate, so that the multiple heating tubes 603 heat and stir the pressure-sensitive adhesive, making the pressure-sensitive adhesive evenly heated. At the same time, the rotating column 602 drives two arc-shaped scrapers 604 to rotate on the upper surface of the filter plate 5. The arc-shaped scrapers 604 push the impurities on the upper surface of the filter plate 5 to the waste frame 8, so that they fall into the waste frame 8, avoiding a large amount of impurities accumulating on the filter plate 5, causing the filter plate 5 to become blocked and affecting the filtration efficiency. The quick-release structure 10 includes a fixed frame 101 fixedly connected to one side of the sealing frame 15. A sliding rod 102 is slidably connected through one side of the fixed frame 101. A handle 104 is rotatably connected to one end of the sliding rod 102. One side of the handle 104 is in contact with the outer side of the fixed frame 101. A snap-fit ​​post 103 is fixedly connected to the other end of the sliding rod 102. A return spring 105 is sleeved on the sliding rod 102. One end of the return spring 105 is fixedly connected to the inner side of the fixed frame 101, and the other end is fixedly connected to one side of the snap-fit ​​post 103. The snap-fit ​​post 103 is slidably connected to the corresponding side of the sealing frame 15 and is adapted to the corresponding snap-fit ​​hole. When the handle 104 is turned, the handle 104 drives the sliding rod 102 to move. The sliding rod 102 drives the snap-fit ​​post 103 to move and compress the return spring 105, so that the snap-fit ​​post 103 disengages from the snap-fit ​​hole. Then the waste box 8 can be pulled out, making it convenient for staff to clean the impurities inside.

[0018] Working principle: Pressure-sensitive adhesive is fed into the substrate 3 through the feed pipe 4 and filtered through the filter plate 5. Simultaneously, the PLC controller controls the operation of the servo motor 601 and multiple heating elements 603. The servo motor 601 drives the rotating column 602, which in turn drives the multiple heating elements 603 to rotate, heating and stirring the pressure-sensitive adhesive to ensure uniform heating. At the same time, the rotating column 602 drives two arc-shaped scrapers 604 to rotate on the upper surface of the filter plate 5, pushing impurities from the upper surface of the filter plate 5 towards the waste frame 8, causing them to fall into the waste bin. Inside the material frame 8, to prevent a large amount of impurities from accumulating on the filter plate 5, which would cause the filter plate 5 to become clogged and affect the filtration efficiency, the filtered pressure-sensitive adhesive falls onto the arc-shaped fixed plate 13 through the guide bucket 11, and then flows down along the arc-shaped fixed plate 13, flowing through multiple channels 14 to the inner bottom of the substrate 3, and then flowing out from the bottom discharge pipe. After filtration is completed, the handle 104 is turned, the handle 104 drives the sliding rod 102 to move, the sliding rod 102 drives the snap-fit ​​post 103 to move, and compresses the reset spring 105, so that the snap-fit ​​post 103 disengages from the snap-fit ​​hole, and then the waste frame 8 is pulled out, which makes it convenient for the staff to clean the impurities inside.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A filtering mechanism for pressure sensitive adhesive production, comprising a base (1), characterized in that: Two L-shaped fixing columns (2) are fixedly connected to the upper surface of the base (1). The two L-shaped fixing columns (2) are fixedly connected to the base (3) at opposite ends. The feed pipe (4) is fixedly connected to the upper surface of the base (3). The filter plate (5) and the guide bucket (11) are fixedly connected inside the base (3). The guide bucket (11) is located below the filter plate (5). The filter plate (5) is provided with a sliding groove (7) on the side away from each other. The base (3) is fixedly connected with a sealing frame (15) on the side away from each other. Each sealing frame (15) is provided with a quick-release structure (10) on the side away from each other. The base (3) is provided with a rotating structure (6). The rotating structure (6) includes a rotating column (602) rotatably connected to the top of the base (3). Multiple heating tubes (603) and two arc-shaped scrapers (604) are fixedly connected to the rotating column (602). The bottom of each arc-shaped scraper (604) is in contact with the upper surface of the filter plate (5).

2. The filtering mechanism for pressure sensitive adhesive production according to claim 1, characterized in that: A servo motor (601) is fixedly connected to the upper surface of the base (3), and the output shaft of the servo motor (601) is fixedly connected to one end of the rotating column (602).

3. The filtering mechanism for pressure sensitive adhesive production according to claim 1, characterized in that: Each of the sealing frames (15) has a waste frame (8) slidably connected inside. Each of the waste frames (8) has two sealing grooves. Each of the sealing grooves has a sealing ring (9) snapped in. Each of the waste frames (8) is slidably connected to the corresponding sliding groove (7). Each of the waste frames (8) has a snap-fit ​​hole on the side away from each other.

4. The filtering mechanism for pressure sensitive adhesive production according to claim 3, characterized in that: The quick-release structure (10) includes a fixed frame (101) fixedly connected to one side of the sealing frame (15). A sliding rod (102) is slidably connected through one side of the fixed frame (101). A handle (104) is rotatably connected to one end of the sliding rod (102). One side of the handle (104) is in contact with the outer side of the fixed frame (101).

5. The filtering mechanism for pressure sensitive adhesive production according to claim 4, characterized in that: The other end of the sliding rod (102) is fixedly connected to a snap-fit ​​post (103), which is slidably connected to the corresponding side of the sealing frame (15) and is adapted to the corresponding snap-fit ​​hole.

6. The filtering mechanism for pressure sensitive adhesive production according to claim 5, characterized in that: A reset spring (105) is fitted on the sliding rod (102). One end of the reset spring (105) is fixedly connected to one side of the inside of the fixed frame (101), and the other end is fixedly connected to one side of the snap-fit ​​post (103).

7. The filtering mechanism for pressure sensitive adhesive production of claim 1, wherein: The base (3) is fixedly connected to a support plate (12), and the upper surface of the support plate (12) is fixedly connected to an arc-shaped fixing plate (13). The upper surface of the support plate (12) is provided with multiple through grooves (14).

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