Impact-resistant polyurethane screen

Abstract

The utility model provides an impact-resistant polyurethane screen, and relates to the technical field of polyurethane screens, the impact-resistant polyurethane screen comprises a screen main body, an adjusting device is arranged in the screen main body, a reinforcing device is arranged on the inner wall of the bottom of the screen main body, and the adjusting device comprises an adjusting screen. When the screen main body is used for filtering materials in the industrial industry, the rotating threaded rod can rotate in the inner walls of the sliding groove and the circular groove according to actual use requirements, the screw hole block can be driven to slide towards one end in the sliding groove, and therefore the adjusting screen can be driven to slide in the inner wall of the screen main body; according to the adjustable screen mesh, the holes in the screen mesh main body and the holes in the adjustable screen mesh are staggered, and the holes in the screen mesh main body can be covered by the gaps of the holes in the adjustable screen mesh, so that the screen mesh with new filter holes is formed, materials with corresponding requirements can be conveniently filtered, the use adaptability of the screen mesh main body can be improved, and the adjustable screen mesh is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane screens, in particular to an impact-resistant polyurethane screen. Background Art

[0002] Polyurethane screen is a screen made of polyurethane material with unique physical and chemical properties. It is widely used in many industrial fields.

[0003] When a screen body is used to filter materials in the industrial industry, the particle sizes of the materials to be filtered are different, and the filter hole sizes on the screen body are usually fixed. As a result, when filtering materials of different particle sizes, the screen body with the same size of filter holes needs to be replaced according to actual needs in order to filter. This results in poor adaptability of the screen body and inconvenience in use. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an impact-resistant polyurethane screen.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an impact-resistant polyurethane screen, comprising a screen body, an adjusting device is provided inside the screen body, and a reinforcement device is provided on the bottom inner wall of the screen body, the adjusting device comprises an adjusting screen, a slide groove is provided on one side of the screen body, the inner wall of the slide groove is connected with the inner wall of the screen body, a circular groove is provided on one side of the screen body, and a screw hole block is fixedly connected to one side of the adjusting screen, the adjusting screen and the screw hole block are respectively slidably connected to the screen body and the inner wall of the slide groove, the inner walls of the slide groove and the circular groove are penetrated and connected with a threaded rod, the outer surface of the threaded rod is threadedly connected to the inner wall of the screw hole block, and the hole sizes of the screen body and the adjusting screen are consistent.

[0006] The effect achieved by the above components is: by setting the adjustment device, when the screen body is used to filter materials in the industrial industry, the threaded rod can be rotated in the inner wall of the slide groove and the circular groove according to actual use needs, which can drive the screw hole block to slide to one end in the slide groove, thereby driving the adjustment screen to slide in the inner wall of the screen body, so that the holes on the screen body and the holes on the adjustment screen are misaligned, and the holes on the screen body can be covered at the intervals of the adjustment screen holes to form a screen with new filter holes, which is convenient for filtering materials with corresponding needs, thereby improving the adaptability of the screen body and facilitating use.

[0007] Preferably, a screw groove is provided on one side of the threaded rod, and the longitudinal section of the screw groove is hexagonal.

[0008] The effect achieved by the above components is that by providing the screw groove, when it is inconvenient to screw the threaded rod manually, a tool can be used to insert it into the screw groove and screw it, thereby making it easier to screw the threaded rod.

[0009] Preferably, one end of the threaded rod is fixedly connected to a bearing, and the outer ring of the bearing is fixedly connected to one side of the inner wall of the sliding groove.

[0010] The effect achieved by the above components is: by setting the bearing, one end of the threaded rod can be limited in the inner wall of the slide groove, while reducing the rotational wear between the threaded rod and the slide groove, and improving the service life of the threaded rod.

[0011] Preferably, both sides of the screw hole block are fixedly connected with a telescopic plate, and one end of the telescopic plate is fixedly connected to one side of the inner wall of the sliding groove.

[0012] The effect achieved by the above components is: by setting the telescopic plate, when the screw hole block slides left and right for adjustment, the telescopic plate will block the chute entrances on both sides of the screw hole block, making it difficult for external materials to enter the chute and the interior of the screen body, resulting in internal blockage and jamming.

[0013] Preferably, both sides of the screw hole block are fixedly connected to limiting blocks, both sides of the inner wall of the sliding groove are provided with limiting grooves, and the limiting blocks are slidably connected to the limiting grooves.

[0014] The effect achieved by the above components is: by setting the limit blocks and limit grooves, the two sides of the reinforced screw hole block can be limited in the limit grooves in the inner wall of the slide groove through the limit blocks, so that it is not easy to shake when moving back and forth.

[0015] Preferably, the reinforcement device includes several longitudinal support rods, one side of the longitudinal support rods is fixedly connected to one side of the screen body, the inner wall of the screen body is fixedly connected with several transverse support rods, and several of the transverse support rods are connected with several longitudinal support rods.

[0016] The effect achieved by the above components is: by setting up a reinforcement device, the inner wall of the screen body can be supported and reinforced by several longitudinal support rods and several transverse support rods, thereby improving the impact resistance of the screen body, making it less likely to be deformed and damaged during use, and increasing the service life of the screen body.

[0017] Preferably, the longitudinal section of the transverse support rod is triangular, and the size of one side of the transverse support rod close to the inner wall of the screen body is smaller than that of the other side.

[0018] The effect achieved by the above components is that by designing the side of the transverse support rod close to the inner wall of the screen body to be smaller than the other side, the material filtered by the screen body is not easily retained and stuck on the transverse support rod.

[0019] Preferably, a plurality of reinforcement rods are fixedly connected to both sides of the longitudinal support rod, and one side of the reinforcement rod is fixedly connected to the bottom inner wall of the screen body.

[0020] The effects achieved by the above components are: by setting the reinforcement rod, the connection area between the longitudinal support rod and the inner wall of the bottom of the screen body can be increased, the range of support reinforcement is increased, and the impact resistance of the screen body is improved.

[0021] Compared with the prior art, the advantages and positive effects of the present invention are:

[0022] The utility model provides an adjusting device, and when the screen body is used to filter materials in the industrial industry, the threaded rod can be rotated in the inner walls of the slide groove and the circular groove according to actual use needs, and the screw hole block can be driven to slide toward one end in the slide groove, thereby driving the adjusting screen to slide in the inner wall of the screen body, so that the holes on the screen body and the holes on the adjusting screen are misaligned, and the holes on the screen body can be covered at the intervals between the holes of the adjusting screen, so that a screen with new filter holes is formed, which is convenient for filtering materials with corresponding needs, thereby improving the adaptability of the screen body and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the screen body of the utility model;

[0025] Figure 3 for Figure 2 Schematic diagram of the central structure;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the screen adjustment part of the utility model;

[0027] Figure 5 for Figure 4 Schematic diagram of the central structure;

[0028] Figure 6 It is a schematic diagram of the three-dimensional structure of the longitudinal support rod of the utility model.

[0029] Legend: 1. Screen body; 2. Adjustment device; 3. Reinforcement device; 21. Slide groove; 22. Circular groove; 23. Adjustment screen; 24. Screw hole block; 25. Threaded rod; 26. Twist groove; 27. Bearing; 28. Telescopic plate; 29. ​​Limit block; 210. Limit groove; 31. Longitudinal support rod; 32. Horizontal support rod; 33. Reinforcement rod. DETAILED DESCRIPTION

[0030] Example 1, as Figure 1-6 As shown, an impact-resistant polyurethane screen comprises a screen body 1, an adjusting device 2 is provided inside the screen body 1, a reinforcement device 3 is provided on the bottom inner wall of the screen body 1, the adjusting device 2 comprises an adjusting screen 23, a slide groove 21 is provided on one side of the screen body 1, the inner wall of the slide groove 21 is communicated with the inner wall of the screen body 1, a circular groove 22 is provided on one side of the screen body 1, a screw hole block 24 is fixedly connected to one side of the adjusting screen 23, the adjusting screen 23 and the screw hole block 24 are respectively slidably connected to the screen body 1 and the inner wall of the slide groove 21, a threaded rod 25 is penetrated and connected to the inner wall of the slide groove 21 and the circular groove 22, the outer surface of the threaded rod 25 is threadedly connected to the inner wall of the screw hole block 24, and the hole sizes on the screen body 1 and the adjusting screen 23 are consistent. When the screen body 1 is used to filter materials in the industrial industry, the threaded rod 25 can be rotated in the inner walls of the slide groove 21 and the circular groove 22 according to actual use needs, which can drive the screw hole block 24 to slide toward one end in the slide groove 21, thereby driving the adjusting screen 23 to slide in the inner wall of the screen body 1, so that the holes on the screen body 1 and the holes on the adjusting screen 23 are misaligned. The intervals between the holes of the adjusting screen 23 can cover the holes on the screen body 1, so that a screen with new filter holes is formed, which is convenient for filtering materials with corresponding needs, thereby improving the adaptability of the screen body 1 and facilitating use.

[0031] Reference Figure 2-5 As shown, this embodiment discloses a threaded rod 25 having a hexagonal longitudinal cross-section and a thread groove 26 formed on one side. The thread groove 26 facilitates manual threading of the threaded rod 25 by inserting a tool into the thread groove 26 and twisting the rod. A bearing 27 is fixedly connected to one end of the threaded rod 25, the outer ring of which is fixedly connected to one side of the inner wall of the chute 21. The bearing 27 allows one end of the threaded rod 25 to be retained within the inner wall of the chute 21, reducing rotational wear between the threaded rod 25 and the chute 21 and thereby increasing the service life of the threaded rod 25.

[0032] Reference Figure 2-5As shown, this embodiment discloses that both sides of the screw hole block 24 are fixedly connected to a telescopic plate 28, and one end of the telescopic plate 28 is fixedly connected to one side of the inner wall of the chute 21. By providing the telescopic plate 28, when the screw hole block 24 slides left and right for adjustment, the telescopic plate 28 will block the entrance of the chute 21 on both sides of the screw hole block 24, making it difficult for external materials to enter the chute 21 and the interior of the screen body 1, resulting in internal blockage and jamming. Both sides of the screw hole block 24 are fixedly connected to the limiting block 29, and both sides of the inner wall of the chute 21 are provided with a limiting groove 210, and the limiting block 29 is slidably connected to the limiting groove 210. By providing the limiting block 29 and the limiting groove 210, the two sides of the screw hole block 24 can be reinforced by the limiting block 29 to be limited in the limiting groove 210 in the inner wall of the chute 21, so that it is not easy to shake when it moves back and forth.

[0033] Reference Figure 6 As shown, this embodiment discloses a reinforcement device 3 including a plurality of longitudinal support rods 31, one side of the longitudinal support rods 31 being fixedly connected to one side of the screen body 1, and a plurality of transverse support rods 32 being fixedly connected to the inner wall of the screen body 1, and the plurality of transverse support rods 32 being connected through the plurality of longitudinal support rods 31. By providing the reinforcement device 3, the plurality of longitudinal support rods 31 and the plurality of transverse support rods 32 can support and reinforce the inner wall of the screen body 1, thereby improving the impact resistance of the screen body 1, making it less likely to be deformed and damaged during use, and increasing the service life of the screen body 1.

[0034] Reference Figure 6 As shown, this embodiment discloses that the longitudinal cross-section of the transverse support rod 32 is triangular in shape, and the size of the side of the transverse support rod 32 close to the inner wall of the screen body 1 is smaller than the size of the other side. By designing the size of the side of the transverse support rod 32 close to the inner wall of the screen body 1 to be smaller than the size of the other side, the material filtered by the screen body 1 is not easily retained and stuck on the transverse support rod 32. A plurality of reinforcement rods 33 are fixedly connected to both sides of the longitudinal support rod 31, and one side of the reinforcement rod 33 is fixedly connected to the bottom inner wall of the screen body 1. By providing the reinforcement rod 33, the connection area between the longitudinal support rod 31 and the bottom inner wall of the screen body 1 can be increased, the range of support reinforcement can be increased, and the impact resistance of the screen body 1 can be improved.

[0035] Working principle: when the screen body 1 is used to filter materials in the industrial industry, the threaded rod 25 and the bearing 27 can be rotated in the inner walls of the slide groove 21 and the circular groove 22 according to actual use needs, which can drive the screw hole block 24 to slide to one end in the slide groove 21, and the two telescopic plates 28 will expand and contract accordingly with the movement of the screw hole block 24, thereby driving the adjustment screen 23 to slide in the inner wall of the screen body 1, so that the holes on the screen body 1 and the holes on the adjustment screen 23 are misaligned, and the intervals between the holes of the adjustment screen 23 can cover the holes on the screen body 1, so that a screen with new filter holes is formed, which is convenient for filtering materials with corresponding needs, thereby improving the adaptability of the screen body 1 and facilitating use.

[0036] By setting up the reinforcement device 3, the inner wall of the screen body 1 can be supported and reinforced by a plurality of longitudinal support rods 31 and a plurality of transverse support rods 32, thereby improving the impact resistance of the screen body 1, making it less likely to be deformed and damaged during use, and increasing the service life of the screen body 1.

Claims

1. An impact-resistant polyurethane screen, comprising a screen body (1), characterized in that: The screen body (1) is provided with an adjusting device (2) inside, and a reinforcing device (3) is provided on the inner wall of the bottom of the screen body (1). The adjusting device (2) includes an adjusting screen (23), a sliding groove (21) is provided on one side of the screen body (1), and the inner wall of the sliding groove (21) is connected to the inner wall of the screen body (1). A circular groove (22) is provided on one side of the screen body (1), and a screw hole block (24) is fixedly connected to one side of the adjusting screen (23). The adjusting screen (23) and the screw hole block (24) are respectively slidably connected to the screen body (1) and the inner wall of the sliding groove (21). The inner wall of the sliding groove (21) and the circular groove (22) is provided with a threaded rod (25), and the outer surface of the threaded rod (25) is threadedly connected to the inner wall of the screw hole block (24). The hole sizes on the screen body (1) and the adjusting screen (23) are consistent.

2. The impact-resistant polyurethane screen according to claim 1, characterized in that: A screw groove (26) is provided on one side of the threaded rod (25), and the longitudinal section of the screw groove (26) is hexagonal.

3. The impact-resistant polyurethane screen according to claim 1, characterized in that: One end of the threaded rod (25) is fixedly connected to a bearing (27), and the outer ring of the bearing (27) is fixedly connected to one side of the inner wall of the sliding groove (21).

4. The impact-resistant polyurethane screen according to claim 1, characterized in that: Both sides of the screw hole block (24) are fixedly connected with a telescopic plate (28), and one end of the telescopic plate (28) is fixedly connected to one side of the inner wall of the sliding groove (21).

5. The impact-resistant polyurethane screen according to claim 1, characterized in that: Both sides of the screw hole block (24) are fixedly connected to the limiting blocks (29), and both sides of the inner wall of the sliding groove (21) are provided with limiting grooves (210), and the limiting blocks (29) are slidably connected to the limiting grooves (210).

6. The impact-resistant polyurethane screen according to claim 1, characterized in that: The reinforcement device (3) comprises a plurality of longitudinal support rods (31), one side of the longitudinal support rods (31) is fixedly connected to one side of the screen body (1), the inner wall of the screen body (1) is fixedly connected to a plurality of transverse support rods (32), and the plurality of transverse support rods (32) are connected to the plurality of longitudinal support rods (31) through a penetration.

7. The impact-resistant polyurethane screen according to claim 6, characterized in that: The longitudinal section of the transverse support rod (32) is triangular in shape, and the size of one side of the transverse support rod (32) close to the inner wall of the screen body (1) is smaller than that of the other side.

8. The impact-resistant polyurethane screen according to claim 6, characterized in that: A plurality of reinforcement rods (33) are fixedly connected to both sides of the longitudinal support rod (31), and one side of the reinforcement rod (33) is fixedly connected to the bottom inner wall of the screen body (1).

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