A coating pressure screen for the production of colored tissue paper

Abstract

This utility model relates to a coating pressure screen for the production of colored tissue paper, belonging to the field of coating production technology. It includes a screen chamber with a screening structure, a driving structure, and a feeding structure. The feeding structure includes two feed pipes fixedly connected to the top of the screen chamber, with butterfly valves fixedly connected to the top of each feed pipe. Two storage chambers are fixedly connected to the inner top wall of the screen chamber, and mounting plates are fixedly connected to the inner walls of each storage chamber. This coating pressure screen for colored tissue paper production uses butterfly valves and feed pipes to input coating into the storage chambers. A buffer screen buffers the coating, reducing its flow rate. An electric lifting rod, lifting plate, and baffles control the flow rate of the coating.

Description

Technical Field

[0001] This utility model relates to the field of coating production technology, specifically a coating pressure screen for the production of colored tissue paper. Background Technology

[0002] The coating used in the production of colored tissue paper is a mixture of pigments, binders, additives, and solvents in a scientifically formulated ratio. Pigments give the paper vibrant colors and opacity, and commonly used pigments are organic or inorganic, such as titanium dioxide and ultramarine. Binders act as film-forming substances to firmly adhere the pigments to the paper surface, and commonly used materials are water-soluble or emulsion-type materials such as polyvinyl alcohol and starch derivatives. Additives include dispersants to prevent pigment sedimentation, defoamers to eliminate coating bubbles, and thickeners to adjust the fluidity of the coating.

[0003] Currently, a significant problem exists in the actual production of colored tissue paper: the process of conveying the coating material to the screen chamber. Under existing technology, the coating delivery system generally suffers from unstable flow rates when delivering coating material to the screen chamber. Due to the combined influence of various factors, including the design of the coating delivery pipeline, the performance of the delivery pump, and the overall control precision of the delivery system, the flow velocity of the coating material within the pipeline is not constant but fluctuates.

[0004] This unstable flow rate directly leads to uneven coating feed. When the coating flow rate is too fast, the amount of coating entering the screen chamber per unit time exceeds the processing capacity of the pressure screen, causing some coating to pass through the screen without sufficient screening, or causing excessive coating buildup on the screen surface, increasing screening resistance, affecting screening effect, and resulting in the screened coating still containing a lot of impurities and large particles. Conversely, when the coating flow rate is too slow, the amount of coating entering the screen chamber per unit time is too small, which not only reduces production efficiency but may also cause insufficient coating distribution in local areas of the screen surface, leading to dry screening during the screening process, causing wear on the screen, shortening the screen's service life, and failing to guarantee the uniformity and consistency of coating screening. Therefore, a coating pressure screen for the production of colored tissue paper is proposed to solve the problems mentioned above. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a coating pressure screen for the production of colored tissue paper, which has advantages such as improved uniformity of coating feed and solves the problem that the large differences in flow rate during the filtration of coatings by existing coating pressure screens affect the quality of colored tissue paper coating processing.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A coating pressure screen for the production of colored tissue paper includes a screen chamber, a screening structure inside the screen chamber, a driving structure inside the screen chamber, and a feeding structure inside the screen chamber.

[0008] The feeding structure includes two feed pipes fixedly connected to the top of the screen chamber, with butterfly valves fixedly connected to the top of the feed pipes; two storage chambers fixedly connected to the inner top wall of the screen chamber; an installation plate fixedly connected to the inner wall of each storage chamber; a buffer net fixedly connected between the installation plate and the storage chamber; an electric lifting rod fixedly connected to the inner top wall of each storage chamber; a lifting plate fixedly connected to the telescopic shaft of the electric lifting rod; a baffle fixedly connected to the left side of the lifting plate; and a discharge head fixedly connected to the bottom of each storage chamber.

[0009] Furthermore, the screening structure includes a spiral screen drum fixedly connected to the bottom wall of the screen body chamber, and a screen mesh is fixedly connected to the outer peripheral wall of the spiral screen drum.

[0010] Furthermore, the drive structure includes a drive motor fixedly connected to the top of the screen chamber, an installation shaft fixedly connected to the output shaft of the drive motor, an installation ring fixedly connected to the outer peripheral wall of the installation shaft, two connecting rods fixedly connected to the outer peripheral wall of the installation ring, and a rotating blade fixedly connected to the end of the connecting rod away from the installation ring.

[0011] Furthermore, the two rotating blades are symmetrically distributed from left to right, and a limiting ring is fixedly connected to the inner bottom wall of the screen chamber, with the rotating blades rotatably connected to the top of the limiting ring.

[0012] Furthermore, the bottom of the screen chamber has two first discharge ports, which are located inside the limiting ring.

[0013] Furthermore, the inner bottom wall of the screen chamber is fixedly connected with two guide seats, the cross-section of which is a right triangle. The bottom of the screen chamber is provided with two second discharge ports, which are located between the screen chamber and the two guide seats.

[0014] Furthermore, the feed pipe is fixedly connected to the top of the storage chamber, and the feed pipe is located directly above the buffer mesh.

[0015] Furthermore, the baffle is slidably connected to the right side of the mounting plate, and the discharge head is located at the lower right of the baffle.

[0016] Compared with the prior art, this utility model provides a coating pressure screen for the production of colored tissue paper, which has the following beneficial effects:

[0017] This coating pressure screen for colored tissue paper production uses a butterfly valve and feed pipe to input coating into the storage chamber. A buffer screen buffers the coating, reducing its flow rate. An electric lifting rod, lifting plate, and baffles control the flow rate of the coating, preventing excessive or insufficient flow. This not only improves the quality of coating screening but also reduces the impact on the spiral drum and screen, extending their service life. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 This is a schematic cross-sectional view of the sieve chamber of this utility model;

[0020] Figure 3 This utility model Figure 2 A magnified structural diagram of point A is shown.

[0021] In the diagram: 1. Screen chamber; 2. Spiral screen drum; 3. Screen mesh; 4. Drive motor; 5. Mounting shaft; 6. Mounting ring; 7. Connecting rod; 8. Rotating blade; 9. Feed pipe; 10. Butterfly valve; 11. Storage chamber; 12. Mounting plate; 13. Buffer screen; 14. Electric lifting rod; 15. Lifting plate; 16. Baffle; 17. Discharge head; 18. Limiting ring; 19. Guide seat. Detailed Implementation

[0022] 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.

[0023] Please see Figures 1 to 3 The coating pressure screen for producing colored thin paper in this embodiment includes a screen chamber 1, a screening structure inside the screen chamber 1, a driving structure inside the screen chamber 1, and a feeding structure inside the screen chamber 1.

[0024] In this embodiment, the screening structure includes a spiral screen drum 2 fixedly connected to the bottom wall of the screen chamber 1, and a screen mesh 3 fixedly connected to the outer peripheral wall of the spiral screen drum 2.

[0025] In this embodiment, the driving structure includes a drive motor 4 fixedly connected to the top of the screen chamber 1. The output shaft of the drive motor 4 is fixedly connected to a mounting shaft 5. A mounting ring 6 is fixedly connected to the outer peripheral wall of the mounting shaft 5. Two connecting rods 7 are fixedly connected to the outer peripheral wall of the mounting ring 6. A rotating blade 8 is fixedly connected to the end of the connecting rod 7 away from the mounting ring 6.

[0026] In this embodiment, two rotating blades 8 are symmetrically distributed from left to right. A limiting ring 18 is fixedly connected to the inner bottom wall of the screen chamber 1. The rotating blades 8 are rotatably connected to the top of the limiting ring 18. Two first discharge ports are opened at the bottom of the screen chamber 1. The two first discharge ports are located inside the limiting ring 18.

[0027] In this embodiment, the feeding structure includes two feed pipes 9 fixedly connected to the top of the screen chamber 1, a butterfly valve 10 fixedly connected to the top of the feed pipes 9, two storage chambers 11 fixedly connected to the inner top wall of the screen chamber 1, an installation plate 12 fixedly connected to the inner wall of the storage chamber 11, a buffer net 13 fixedly connected between the installation plate 12 and the storage chamber 11, and the feed pipes 9 fixedly connected to the top of the storage chamber 11.

[0028] In this embodiment, the feed pipe 9 is located directly above the buffer net 13. An electric lifting rod 14 is fixedly connected to the inner top wall of the storage chamber 11. A lifting plate 15 is fixedly connected to the telescopic shaft of the electric lifting rod 14. A baffle 16 is fixedly connected to the left side of the lifting plate 15. A discharge head 17 is fixedly connected to the bottom of the storage chamber 11. The baffle 16 is slidably connected to the right side of the mounting plate 12. The discharge head 17 is located to the lower right of the baffle 16.

[0029] In this embodiment, two guide seats 19 are fixedly connected to the inner bottom wall of the screen chamber 1. The cross-section of the guide seat 19 is a right triangle. Two second discharge ports are opened at the bottom of the screen chamber 1. The two second discharge ports are located between the screen chamber 1 and the two guide seats 19.

[0030] It should be noted that the guide seat 19 can limit and guide the material discharged onto the inner wall of the screen chamber 1. The guide seat 19 is narrow and will not affect the normal material discharge process.

[0031] It should be noted that the storage chamber 11 is equipped with a flow rate detection sensor.

[0032] It should be noted that the rotating blade 8 is slidably connected to the outer peripheral wall of the screen 3.

[0033] The working principle of the above embodiments is as follows:

[0034] First, the paint is fed into the shaft storage chamber 11 through the butterfly valve 10 and the feed pipe 9. At this time, the paint is buffered by the buffer net 13. Then, the height of the baffle 16 is adjusted according to the feedback of the flow rate detection sensor. At this time, the electric lifting rod 14 drives the baffle 16 to move up or down. The paint with the adjusted flow rate will flow through the discharge head 17 and fall onto the spiral groove of the spiral screen drum 2. Then, the drive motor 4 is started to drive the rotating blade 8 to rotate, and the paint can be screened.

[0035] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that achieves the desired beneficial effect can be implemented. Furthermore, all electrical components in this embodiment are electrically connected to the main controller and power supply. The main controller can be a conventional, known device such as a computer that performs control functions. Those skilled in the art can control the electrical components through simple programming, and the existing disclosed power connection technologies are common knowledge in the field. Therefore, this embodiment will not elaborate further on their specific structural composition and working principles.

[0036] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to 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 this application.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A size press for the production of colored tissue paper, comprising a screen body chamber (1), characterized in that: The sieve chamber (1) is provided with a screening structure, a driving structure, and a feeding structure. The feeding structure includes two feed pipes (9) fixedly connected to the top of the screen chamber (1), a butterfly valve (10) fixedly connected to the top of the feed pipes (9), two storage chambers (11) fixedly connected to the inner top wall of the screen chamber (1), an installation plate (12) fixedly connected to the inner wall of the storage chamber (11), a buffer net (13) fixedly connected between the installation plate (12) and the storage chamber (11), an electric lifting rod (14) fixedly connected to the inner top wall of the storage chamber (11), a lifting plate (15) fixedly connected to the telescopic shaft of the electric lifting rod (14), a baffle (16) fixedly connected to the left side of the lifting plate (15), and a discharge head (17) fixedly connected to the bottom of the storage chamber (11).

2. A size press for the production of colored tissue paper according to claim 1, characterized in that: The screening structure includes a spiral screen drum (2) fixedly connected to the bottom wall of the screen chamber (1), and a screen mesh (3) is fixedly connected to the outer peripheral wall of the spiral screen drum (2).

3. A size-press for the production of colored tissue paper according to claim 1, characterized in that: The drive structure includes a drive motor (4) fixedly connected to the top of the screen chamber (1), the output shaft of the drive motor (4) is fixedly connected to an installation shaft (5), the outer peripheral wall of the installation shaft (5) is fixedly connected to an installation ring (6), the outer peripheral wall of the installation ring (6) is fixedly connected to two connecting rods (7), and the end of the connecting rod (7) away from the installation ring (6) is fixedly connected to a rotating blade (8).

4. A coating pressure screen for the production of colored tissue paper according to claim 3, characterized in that: The two rotating blades (8) are symmetrically distributed from left to right. The inner bottom wall of the sieve chamber (1) is fixedly connected to a limiting ring (18), and the rotating blades (8) are rotatably connected to the top of the limiting ring (18).

5. A size-press for the production of colored tissue paper according to claim 3, characterized in that: The bottom of the sieve chamber (1) has two first discharge ports, which are located inside the limiting ring (18).

6. A size-press for the production of colored tissue paper according to claim 1, characterized in that: The inner bottom wall of the screen chamber (1) is fixedly connected with two guide seats (19). The cross section of the guide seat (19) is a right triangle. The bottom of the screen chamber (1) is provided with two second discharge ports, which are located between the screen chamber (1) and the two guide seats (19).

7. A size-press for the production of colored tissue paper according to claim 1, characterized in that: The feed pipe (9) is fixedly connected to the top of the storage chamber (11), and the feed pipe (9) is located directly above the buffer net (13).

8. A size-press for the production of colored tissue paper according to claim 1, characterized in that: The baffle (16) is slidably connected to the right side of the mounting plate (12), and the discharge head (17) is located at the lower right of the baffle (16).

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