Non-felting screen

Abstract

The utility model discloses a kind of hair loss screen plate, including screen frame and screen plate, the inside of screen frame is equipped with screen plate, and evenly equipped with trapezoidal screen hole on screen plate, screen plate top is coated with nickel coating, and nickel coating top is coated with tungsten carbide coating, tungsten carbide coating top is coated with composite coating, screen plate bottom side is equipped with connecting plate, and evenly equipped with longitudinal elastic supporting rod between screen plate bottom connecting plate and screen frame, the middle position of screen frame inside one side close to connecting plate is equipped with support frame, and the middle position of support frame is equipped with threaded rod, threaded rod is connected with threaded block by screw thread on, and threaded block both sides are connected with connecting plate by slot.

Description

Technical Field

[0001] This utility model relates to the field of sieve plate technology, specifically a lint-free sieve plate. Background Technology

[0002] A sieve plate is a device used to separate particles of different sizes. It is widely used in industries such as mining, chemical, petroleum, pharmaceutical, and food. In the mining industry, sieve plates can be used to screen ore materials and classify them.

[0003] In the existing technology, when materials fall and impact the screen plate, it may be damaged and lint may be produced. If this is not treated, it will affect the quality of the screened materials. Moreover, when subjected to impact, there is no cushioning and protection device at the bottom, which may cause it to break and deform directly. Utility Model Content

[0004] The purpose of this invention is to provide a lint-free screen plate to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a lint-free sieve plate, comprising a sieve frame and a sieve plate. The sieve plate is provided on the inner side of the sieve frame, and trapezoidal sieve holes are uniformly provided on the sieve plate, with the trapezoidal sieve holes being narrower at the top and wider at the bottom. The top of the sieve plate is coated with a nickel coating, and the top of the nickel coating is coated with a tungsten carbide coating. The top of the tungsten carbide coating is coated with a composite coating, which is made of polyurethane and nylon materials. A connecting plate is provided on one side of the bottom of the sieve plate, and longitudinal elastic support rods are uniformly provided between the bottom connecting plate and the sieve frame. A support frame is provided on one side of the sieve frame near the middle of the connecting plate, and an opening is provided at the middle of both sides of the support frame. The support frame has a movable groove in the connecting plate, and a threaded rod is located in the middle of the support frame. A threaded block is connected to the threaded rod by threads, and both sides of the threaded block are connected to the connecting plate by slots. Through the combined effect of nickel coating, tungsten carbide coating and composite coating, the screen plate can enhance its wear resistance, corrosion resistance and elasticity, reduce the wear of the screen plate by materials during screening, and prevent the screen plate surface from shedding, which would affect screening efficiency and screening quality. Before screening, the elastic tension of the elastic support rod can be adjusted so that when the screen plate is subjected to a large impact force, the elastic deformation of the elastic support rod can buffer the impact force, prevent the screen plate from being damaged and improve the screen plate's performance.

[0006] Preferably, transverse strip plates are provided between the trapezoidal sieve holes at the top of the sieve plate, and the strip plates and elastic support rods are in a grid pattern. This grid pattern of the strip plates and elastic support rods can enhance the overall structural strength of the sieve plate and improve its stability and durability.

[0007] Preferably, each of the trapezoidal screen holes is provided with a longitudinal guide frame, and both ends of the guide frame are connected to the inner side of the strip plate. The guide frame and the strip plate are in a grid pattern, which can enhance the surface strength and guide the material.

[0008] Preferably, trapezoidal guide covers with downward slopes are provided on both sides of the guide frame corresponding to the trapezoidal screen holes, and the bottom of the trapezoidal guide cover is connected to the top of the screen plate on one side of the trapezoidal screen hole. The trapezoidal guide cover is narrower at the top and wider at the bottom, so that the material is guided into the trapezoidal screen hole through the trapezoidal guide covers on both sides of the guide frame, which can prevent material accumulation and blockage and improve the screening effect.

[0009] Preferably, a support block is provided at the middle position of both ends of the connecting plate, and a sliding groove is provided on the inner side of the screen frame corresponding to the support block. The sliding groove is slidably connected to the corresponding support block, so that the connecting plate drives the support block to move in the sliding groove, which can make the movement of the connecting plate more stable.

[0010] Preferably, the other end of the support frame extends to the other side of the connecting plate through a moving groove, and the support frame is located at the bottom of the elastic support rod, so that when the threaded block inside the support frame drives the connecting plate to move, the moving groove on the inner side of the connecting plate can move on the outer side of the support frame.

[0011] Preferably, one end of the threaded rod is provided with a groove on the outer side of the screen frame, and a turntable is provided in the groove. The turntable in the groove can protect the turntable and prevent accidental contact.

[0012] Preferably, both sides of the turntable are threadedly connected to the screen frame via limiting rods, and the rotating rods on the inner side of the turntable extend into the support frame and are connected to the threaded rods via bearings and couplings. This allows the limiting rods to connect the turntable to the screen frame, preventing the turntable from rotating and affecting the performance. It also allows the turntable to drive the threaded rods to rotate via the rotating rods, thus converting the rotation into linear motion.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This non-shedding screen plate, through the trapezoidal screen holes on the screen plate with a narrow upper and wide lower structure, can screen materials, reducing clogging and wear of materials in the trapezoidal screen holes. During screening, the nickel coating, tungsten carbide coating, and composite coating on the screen plate surface work together to enhance the wear resistance, corrosion resistance, and elasticity of the screen plate, reducing the wear of materials on the screen plate during screening, thereby preventing the shedding of lint on the screen plate surface, which affects screening efficiency and screening quality. Before screening, the turntable can be rotated to drive the threaded block on the threaded rod to move within the support frame, so that the threaded block drives the connecting plate to move through the slot, and the connecting plate drives the elastic support rod to stretch or contract together. The elastic tension of the elastic support rod can be adjusted so that when the screen plate is subjected to a large impact force, the elastic deformation of the elastic support rod can buffer the impact force, prevent the screen plate from being damaged, and improve the screen plate's performance. Attached Figure Description

[0014] Figure 1 This is a top view of the structure of this utility model;

[0015] Figure 2 This is a side sectional view of the present invention.

[0016] Figure 3 This is a schematic diagram of the bottom cross-sectional structure of this utility model;

[0017] Figure 4 This is a schematic cross-sectional view of the sieve plate of this utility model;

[0018] Figure 5 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle;

[0019] In the diagram: 1. Screen frame; 2. Screen plate; 3. Trapezoidal screen hole; 4. Guide frame; 5. Trapezoidal guide cover; 6. Strip plate; 7. Connecting plate; 8. Elastic support rod; 9. Moving groove; 10. Threaded block; 11. Support block; 12. Sliding groove; 13. Groove; 14. Turntable; 15. Composite coating; 16. Tungsten carbide coating; 17. Nickel coating; 18. Support frame; 19. Threaded rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0021] Please see Figure 1-5The present invention provides an embodiment of a lint-free sieve plate, comprising a sieve frame 1 and a sieve plate 2. The sieve plate 2 is provided on the inner side of the sieve frame 1, and trapezoidal sieve holes 3 are uniformly provided on the sieve plate 2. The trapezoidal sieve holes 3 are narrow at the top and wide at the bottom. The top of the sieve plate 2 is coated with a nickel coating 17, and the top of the nickel coating 17 is coated with a tungsten carbide coating 16. The top of the tungsten carbide coating 16 is coated with a composite coating 15, and the composite coating 15 is made of polyurethane and nylon materials. Horizontal strip plates 6 are provided between the trapezoidal sieve holes 3 at the top of the sieve plate 2, and the strip plates 6 and the elastic support rods 8 are in a grid pattern.

[0022] In use, the trapezoidal screen holes 3 on the screen plate 2, which are narrow at the top and wide at the bottom, can screen materials, reducing clogging and wear of materials in the trapezoidal screen holes 3. During screening, the nickel coating 17, tungsten carbide coating 16, and composite coating 15 made of polyurethane and nylon materials on the surface of the screen plate 2 work together to enhance the wear resistance, corrosion resistance and elasticity of the screen plate 2, reduce the wear of materials on the screen plate 2 during screening, and prevent the shedding of lint on the surface of the screen plate 2, which would affect screening efficiency and screening quality.

[0023] A connecting plate 7 is provided on one side of the bottom of the screen plate 2, and longitudinal elastic support rods 8 are evenly provided between the connecting plate 7 and the screen frame 1. A support frame 18 is provided in the middle position of one side of the screen frame 1 near the connecting plate 7, and slots are provided in the middle positions of both sides of the support frame 18. A moving groove 9 is provided in the connecting plate 7 corresponding to the support frame 18, and a threaded rod 19 is provided in the middle position of the support frame 18. A threaded block 10 is connected to the threaded rod 19 by threads, and both sides of the threaded block 10 are connected to the connecting plate 7 by slots. The other end of the support frame 18 extends to the other side of the connecting plate 7 through the moving groove 9, and the support frame 18 is located at the bottom of the elastic support rod 8. A groove 13 is provided at one end of the threaded rod 19 corresponding to the outer side of the screen frame 1, and a turntable 14 is provided in the groove 13. Both sides of the turntable 14 are threadedly connected to the screen frame 1 by limiting rods, and the rotating rods on the inner side of the turntable 14 extend to the support frame 18 and are connected to the threaded rod 19 by bearings and couplings.

[0024] During use, when assembling the screening device, according to the needs of the ore material, the turntable 14 can be rotated to drive the threaded block 10 on the threaded rod 19 to move within the support frame 18. The threaded block 10 drives the connecting plate 7 to move through the slot, and the moving groove 9 of the connecting plate 7 moves outside the support frame 18. This allows the connecting plate 7 to stretch or contract together with the elastic support rod 8, and the elastic tension of the elastic support rod 8 can be adjusted. After adjustment, the limiting rod can be screwed through the turntable 14 and into the screen frame 1 to limit and fix the turntable 14. When the screen plate 2 is subjected to a large impact force during use, the elastic deformation of the elastic support rod 8 can buffer the impact force, prevent the screen plate 2 from being damaged, and improve the performance of the screen plate 2.

[0025] A longitudinal guide frame 4 is provided between each trapezoidal sieve hole 3, and both ends of the guide frame 4 are connected to the inner side of the strip plate 6. The guide frame 4 and the strip plate 6 are in a grid pattern. A trapezoidal guide cover 5 with a downward slope is provided on both sides of the guide frame 4 corresponding to the position of the trapezoidal sieve hole 3. The bottom of the trapezoidal guide cover 5 is connected to the top of the sieve plate 2 on one side of the trapezoidal sieve hole 3. The trapezoidal guide cover 5 is narrower at the top and wider at the bottom.

[0026] When in use, when the ore material falls onto the surface of the screen plate 2, the grid structure formed by the guide frame 4 and the strip plate 6 can enhance the strength and stability of the screen plate 2, making the screen plate 2 less prone to deformation or damage during use. Then, the material falls into the guide frame 4 and slides smoothly down the inclined surface of the trapezoidal guide cover 5 into the trapezoidal screen hole 3, which can prevent the material from accumulating at the trapezoidal screen hole 3 and causing blockage, thus improving the screening effect.

[0027] Support blocks 11 are provided at the middle positions of both ends of the connecting plate 7, and sliding grooves 12 are provided on the inner side of the screen frame 1 corresponding to the support blocks 11, and the sliding grooves 12 are slidably connected to the corresponding support blocks 11.

[0028] In use, the connecting plate 7 can drive the support block 11 to move within the slide groove 12, making the movement of the connecting plate 7 more stable.

[0029] In this embodiment, before assembling the screening device, according to the requirements of the ore material, the rotating turntable 14 can be rotated to drive the threaded block 10 on the threaded rod 19 to move within the support frame 18. The threaded block 10, through its slot, drives the connecting plate 7 to move, which in turn drives the support block 11 to move within the sliding groove 12. This makes the movement of the connecting plate 7 more stable. Then, the moving groove 9 of the connecting plate 7 moves outside the support frame 18, allowing the connecting plate 7 to stretch or contract along with the elastic support rod 8. The elastic tension of the elastic support rod 8 can be adjusted. After adjustment, the limiting rod can be screwed through the turntable 14 into the screen frame 1 to limit and fix the turntable 14. When the screening device is needed, the ore material can fall onto the surface of the screen plate 2. The grid structure formed by the guide frame 4 and the strip plate 6 enhances the strength and stability of the screen plate 2, making it less prone to deformation or damage during use. Then, the material... The material falls into the guide frame 4 and slides smoothly along the inclined surface of the trapezoidal guide cover 5 into the trapezoidal screen hole 3. This prevents the material from accumulating and clogging in the trapezoidal screen hole 3, improving the screening effect. The narrow top and wide bottom structure of the trapezoidal screen hole 3 allows for material screening, reducing clogging and wear within the trapezoidal screen hole 3. During screening, the nickel coating 17, tungsten carbide coating 16, and composite coating 15 made of polyurethane and nylon materials on the surface of the screen plate 2 work together to enhance the wear resistance, corrosion resistance, and elasticity of the screen plate 2. This reduces the wear of the screen plate 2 by the material during screening, preventing fraying on the surface of the screen plate 2, which would affect screening efficiency and quality. At the same time, when the screen plate 2 is subjected to large impact forces, the elastic deformation of the elastic support rod 8 can buffer the impact force, preventing damage to the screen plate 2 and improving the performance of the screen plate 2.

[0030] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0031] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0032] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0033] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A lint-free screen plate, characterized in that: The sieve includes a sieve frame (1) and a sieve plate (2). The sieve frame (1) has a sieve plate (2) on its inner side, and the sieve plate (2) has trapezoidal sieve holes (3) evenly distributed on it. The trapezoidal sieve holes (3) are narrower at the top and wider at the bottom. The top of the sieve plate (2) is coated with a nickel coating (17), and the top of the nickel coating (17) is coated with a tungsten carbide coating (16). The top of the tungsten carbide coating (16) is coated with a composite coating (15), and the composite coating (15) is made of polyurethane and nylon materials. A connecting plate (7) is provided on one side of the bottom of the sieve plate (2). A longitudinal elastic support rod (8) is evenly provided between the bottom connecting plate (7) and the screen frame (1). A support frame (18) is provided on one side of the screen frame (1) near the middle position of the connecting plate (7). A slot is provided in the middle position on both sides of the support frame (18). A moving groove (9) is provided in the connecting plate (7) corresponding to the support frame (18). A threaded rod (19) is provided in the middle position of the support frame (18). A threaded block (10) is connected to the threaded rod (19) by a thread. Both sides of the threaded block (10) are connected to the connecting plate (7) by a slot.

2. The lint-free screen plate according to claim 1, characterized in that: The sieve plate (2) has horizontal strip plates (6) between the trapezoidal sieve holes (3) at the top, and the strip plates (6) and the elastic support rods (8) are in a grid pattern.

3. The lint-free screen plate according to claim 1, characterized in that: Each of the trapezoidal sieve holes (3) is provided with a longitudinal guide frame (4), and both ends of the guide frame (4) are connected to the inner side of the strip plate (6), and the guide frame (4) and the strip plate (6) are in a grid shape.

4. A lint-free screen plate according to claim 3, characterized in that: Both sides of the guide frame (4) are provided with trapezoidal guide covers (5) facing downwards, and the bottom of the trapezoidal guide cover (5) is connected to the top of the sieve plate (2) on one side of the trapezoidal sieve hole (3). The trapezoidal guide cover (5) is narrower at the top and wider at the bottom.

5. A lint-free screen plate according to claim 1, characterized in that: The connecting plate (7) has a support block (11) at the middle position at both ends, and the inner side of the sieve frame (1) corresponding to the support block (11) is provided with a sliding groove (12), and the sliding groove (12) is slidably connected to the corresponding support block (11).

6. A lint-free screen plate according to claim 1, characterized in that: The other end of the support frame (18) extends to the other side of the connecting plate (7) through the moving groove (9), and the support frame (18) is located at the bottom of the elastic support rod (8).

7. A lint-free screen plate according to claim 1, characterized in that: One end of the threaded rod (19) is provided with a groove (13) corresponding to the outer side of the screen frame (1), and a turntable (14) is provided in the groove (13).

8. A lint-free screen plate according to claim 7, characterized in that: Both sides of the turntable (14) are threadedly connected to the screen frame (1) via limiting rods, and the rotating rods inside the turntable (14) extend into the support frame (18) and are connected to the threaded rod (19) via bearings and couplings.

Images