Polyurethane screen with reinforced structure
By introducing adjustment devices and enhanced structures into the polyurethane screen, the problem of practicality reduction caused by fixing the mesh size is solved, and flexible adjustment of mesh size and improvement of structural strength are achieved.
Patent Information
- Application Number
- CN202422300656.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The mesh size of a specific model of polyurethane screen is fixed and cannot adapt to different usage scenarios, resulting in a decrease in its usefulness.
The polyurethane screen with an adjustment device is adopted to drive the auxiliary mesh to move in the auxiliary groove through a threaded rod, adjust the size of the mesh, and combine the enhancement device to increase the structural strength, including a cross-shaped bracket and threaded pin fixation, achieving flexible adjustment and structural enhancement of the mesh.
It realizes flexible adjustment of the mesh size of the polyurethane screen mesh, improves its practicality to adapt to different usage scenarios, and enhances the mechanical strength and service life of the screen mesh.
Smart Images

Figure CN223171322U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screen meshes, in particular to a polyurethane screen mesh with a reinforcing structure. Background Art
[0002] The polyurethane screen mesh is a device specifically applied to mining and quarries. It is usually used in conjunction with other mining equipment such as vibrating screens to achieve efficient screening operations, and has excellent characteristics such as light weight, high mechanical strength, corrosion resistance, high tensile strength, high tear strength, and long service life.
[0003] According to different usage scenarios, the mesh sizes required for the polyurethane screen mesh also vary. However, the mesh size of a specific type of polyurethane screen mesh is fixed and unchangeable, and it can only adapt to different usage scenarios by using different types of polyurethane screen meshes, which results in a reduction in the practicality of the polyurethane screen mesh. Summary of the Utility Model
[0004] The utility model provides a polyurethane screen mesh with a reinforcing structure to solve the problem that the mesh size of a specific type of polyurethane screen mesh is fixed and unchangeable, and it can only adapt to different usage scenarios by using different types of polyurethane screen meshes, thus reducing the practicality of the polyurethane screen mesh.
[0005] To achieve the above object, the utility model adopts the following technical scheme: A polyurethane screen mesh with a reinforcing structure, comprising a mesh body and a frame. The outer surface of the mesh body is fixedly connected to the inner wall of the frame. An adjusting device is provided on one side of the mesh body and the frame. The adjusting device includes an auxiliary mesh. An auxiliary groove is opened on the outer surfaces of the mesh body and the frame. The auxiliary groove penetrates the mesh body and communicates with both sides of the inner wall of the frame. An extension block is fixedly connected to a corner of the mesh body, and a U-shaped block is fixedly connected to a corner of the frame. The inner wall of the U-shaped block communicates with the inner wall of the auxiliary groove. A threaded rod is provided inside the extension block, and the outer surface of the threaded rod communicates with the inner wall of the U-shaped block. A reinforcing device is provided between the mesh body and the frame.
[0006] The effects achieved by the above components are as follows: Through the auxiliary mesh, both the auxiliary mesh and the mesh body are square, and the mesh sizes are exactly the same. The width of the mesh and the interval between adjacent meshes are also the same. The extension block and the U-shaped block are parallel to each other, and the angles formed between one side of the extension block and both sides of the auxiliary mesh are also equal, which is 45 degrees. Then, when the threaded rod is rotated, the threaded rod will drive the auxiliary mesh connected to the extension block to move on the inner wall of the auxiliary groove. During the movement of the auxiliary mesh, it will gradually block the meshes on the mesh body, so that it is convenient to adjust the size of the meshes on the mesh body according to actual needs, and the practicality of the polyurethane screen mesh can be effectively improved.
[0007] Preferably, one end of the threaded rod is fixedly connected to a bearing, and the outer surface of the bearing is fixedly connected to the inner wall of the extension block.
[0008] The effect achieved by the above components is that by providing the bearing, the friction between the threaded rod and the extension block can be reduced when the threaded rod is rotated, thereby making it easier to rotate the threaded rod.
[0009] Preferably, the other end of the threaded rod is fixedly connected to an operating block, and a protrusion is provided on the outer surface of the operating block.
[0010] The effect achieved by the above components is: by setting the operating block, rotating the operating block can drive the threaded rod to rotate, and at the same time, the outer surface of the operating block is provided with a protrusion, which can effectively increase the friction force of the outer surface of the operating block and have an anti-slip effect when rotating the operating block.
[0011] Preferably, one side of the extension block is symmetrically fixedly connected with a round rod, and both sides of the U-shaped block are symmetrically fixedly connected with round hole blocks, and the outer surface of the round rod is slidably connected to the inner wall of the round hole block.
[0012] The effect achieved by the above components is: by setting the round rod, when the extension block moves under the action of the threaded rod, the extension block will drive the round rod to slide synchronously on the inner wall of the U-shaped block, which can limit the extension block and the auxiliary net.
[0013] Preferably, scale lines are evenly arranged on the outer surface of the round rod, and a stopper is fixedly connected to one end of the round rod.
[0014] The effects achieved by the above components are: by setting scale lines, the auxiliary net can be adjusted more intuitively and accurately through the scale lines. At the same time, by setting a block, one end of the round rod can be blocked, which is helpful to prevent the round rod from detaching from the inner wall of the U-shaped block.
[0015] Preferably, the reinforcing device includes a cross-shaped bracket, one side of the cross-shaped bracket abuts against one side of the mesh body, and four ends of the cross-shaped bracket abut against four side surfaces of the inner wall of the frame respectively.
[0016] The effect achieved by the above components is: by setting a cross-shaped bracket, the bottom of the mesh body can be auxiliary supported, the pressure on the mesh body can be reduced when the mesh body is performing screening operations, and the overall strength and service life of the mesh body can be improved.
[0017] Preferably, both sides of the four sections of the cross-shaped bracket are fixedly connected with a slot block, the inner wall of the slot block is inserted with a threaded pin, one end of the threaded pin is fixedly connected to one side of the frame, and the outer surface of the threaded pin is provided with a nut.
[0018] The effects achieved by the above components are as follows: By setting the threaded pin, inserting the threaded pin into the inner wall of the card slot block, sleeving the nut on one end of the threaded pin, and rotating the nut so that one side of the nut abuts against one side of the card slot block, the cross-shaped bracket can be fixed to the frame, and at the same time, the cross-shaped bracket is detachable, which is convenient for cleaning and maintaining the mesh body.
[0019] Preferably, a gasket is provided between the nut and the card slot block, and the outer surface of the threaded pin is inserted into the inner wall of the gasket.
[0020] The effects achieved by the above components are as follows: By setting the gasket, it can replace the abutment of one side of the nut against one side of the card slot block, which is beneficial to prevent the nut from loosening.
[0021] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:
[0022] In the present utility model, through the auxiliary mesh, under the action of the threaded rod, the threaded rod can drive the auxiliary mesh to move. During the movement of the auxiliary mesh, the mesh holes on the mesh body will be gradually blocked, so that it is convenient to adjust the size of the mesh holes on the mesh body according to actual needs, and the practicability of the polyurethane screen mesh can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is a three-dimensional structural schematic diagram of the main body of the present utility model;
[0024] Figure 2 is a sectional structural schematic diagram of the mesh body of the present utility model;
[0025] Figure 3 is the present utility model Figure 2 enlarged structural schematic diagram at A;
[0026] Figure 4 is a three-dimensional structural schematic diagram of the reinforcement device of the present utility model;
[0027] Figure 5 is the present utility model Figure 4 enlarged structural schematic diagram at B
[0028] Legend: 1, mesh body; 2, frame; 3, adjusting device; 31, auxiliary mesh; 32, auxiliary groove; 33, extension block; 34, U-shaped block; 35, threaded rod; 36, bearing; 37, operating block; 38, round rod; 39, round hole block; 310, scale line; 311, stop block; 4, reinforcement device; 41, cross-shaped bracket; 42, card slot block; 43, threaded pin; 44, nut; 45, gasket. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0029] Example 1, refer to Figures 1-3As shown in the figure, this embodiment discloses a polyurethane screen with an enhanced structure, including a mesh body 1 and a frame 2. The outer surface of the mesh body 1 is fixedly connected to the inner wall of the frame 2. An adjusting device 3 is provided on one side of the mesh body 1 and the frame 2. The adjusting device 3 includes an auxiliary mesh 31. An auxiliary groove 32 is formed on the outer surfaces of the mesh body 1 and the frame 2. The auxiliary groove 32 penetrates the mesh body 1 and communicates with both sides of the inner wall of the frame 2. An extension block 33 is fixedly connected to a corner of the mesh body 1, and a U-shaped block 34 is fixedly connected to a corner of the frame 2. The inner wall of the U-shaped block 34 communicates with the inner wall of the auxiliary groove 32. A threaded rod 35 is provided inside the extension block 33, and the outer surface of the threaded rod 35 communicates with the inner wall of the U-shaped block 34. A strengthening device 4 is provided between the mesh body 1 and the frame 2. Through the auxiliary mesh 31, both the auxiliary mesh 31 and the mesh body 1 are square, and the mesh sizes are exactly the same. The mesh width and the interval between adjacent meshes are also the same. The extension block 33 is parallel to the U-shaped block 34, and the angles formed between one side of the extension block 33 and both sides of the auxiliary mesh 31 are equal, which is 45 degrees. Then, when the threaded rod 35 is rotated, the threaded rod 35 will drive the auxiliary mesh 31 connected to the extension block 33 to move on the inner wall of the auxiliary groove 32. During the movement of the auxiliary mesh 31, the meshes on the mesh body 1 will be gradually blocked, so that it is convenient to adjust the size of the meshes on the mesh body 1 according to actual needs, and the practicability of the polyurethane screen can be effectively improved.
[0030] Refer to Figure 2 and Figure 3 As shown in the figure, one end of the threaded rod 35 is fixedly connected to a bearing 36, and the outer surface of the bearing 36 is fixedly connected to the inner wall of the extension block 33. By providing the bearing 36, the friction between the threaded rod 35 and the extension block 33 can be reduced when the threaded rod 35 is rotated, so that it is more labor-saving to rotate the threaded rod 35; the other end of the threaded rod 35 is fixedly connected to an operation block 37, and protrusions are provided on the outer surface of the operation block 37. By providing the operation block 37, rotating the operation block 37 can drive the threaded rod 35 to rotate. At the same time, the protrusions are provided on the outer surface of the operation block 37, which can effectively increase the friction on the outer surface of the operation block 37 and has an anti-slip effect when rotating the operation block 37.
[0031] Refer to Figure 2 and Figure 3As shown, a round rod 38 is symmetrically and fixedly connected to one side of the extension block 33. Round hole blocks 39 are symmetrically and fixedly connected to both sides of the U-shaped block 34. The outer surface of the round rod 38 is slidably connected to the inner wall of the round hole block 39. By providing the round rod 38, when the extension block 33 moves under the action of the threaded rod 35, the extension block 33 will drive the round rod 38 to slide synchronously on the inner wall of the U-shaped block 34, which can play a role in limiting the extension block 33 and the auxiliary net 31. Scale lines 310 are uniformly arranged on the outer surface of the round rod 38. A stop block 311 is fixedly connected to one end of the round rod 38. By providing the scale lines 310, it is convenient to adjust the auxiliary net 31 more intuitively and accurately through the scale lines 310. At the same time, by providing the stop block 311, it can block one end of the round rod 38, which is beneficial to preventing the round rod 38 from disengaging from the inner wall of the U-shaped block 34.
[0032] Refer to Figure 4 and Figure 5 As shown, the strengthening device 4 includes a cross-shaped bracket 41. One side of the cross-shaped bracket 41 abuts against one side of the mesh body 1. The four ends of the cross-shaped bracket 41 respectively abut against the four side surfaces of the inner wall of the frame 2. By providing the cross-shaped bracket 41, it can assist in supporting the bottom of the mesh body 1, and can reduce the pressure received by the mesh body 1 when the mesh body 1 performs a screening operation, and improve the overall strength and service life of the mesh body 1.
[0033] Refer to [[ID=I1]] Figure 4 and Figure 5 As shown, clamping groove blocks 42 are fixedly connected to both sides of the four sections of the cross-shaped bracket 41. A threaded pin 43 is inserted into the inner wall of the clamping groove block 42. One end of the threaded pin 43 is fixedly connected to one side of the frame 2. A nut 44 is arranged on the outer surface of the threaded pin 43. By providing the threaded pin 43, insert the threaded pin 43 into the inner wall of the clamping groove block 42, then sleuth the nut 44 on one end of the threaded pin 43, and rotate the nut 44 so that one side of the nut 44 abuts against one side of the clamping groove block 42, then the cross-shaped bracket 41 and the frame 2 can be fixed, and at the same time, the cross-shaped bracket 41 is detachable, which is convenient for cleaning and maintaining the mesh body 1. A gasket 45 is arranged between the nut 44 and the clamping groove block 42. The outer surface of the threaded pin 43 is inserted into the inner wall of the gasket 45. By providing the gasket 45, it can replace one side of the nut 44 to abut against one side of the clamping groove block 42, which is beneficial to preventing the nut 44 from loosening.
[0034] Working principle: When it is necessary to adjust the size of the mesh holes of the polyurethane screen mesh, since both the auxiliary mesh 31 and the mesh body 1 are square, and the mesh hole sizes are exactly the same, the mesh width and the interval between adjacent mesh holes are also the same. The extension block 33 is parallel to the U-shaped block 34, and the angles formed between one side of the extension block 33 and both sides of the auxiliary mesh 31 are equal, which is 45 degrees. Then, rotate the operation block 37 to drive the threaded rod 35 to rotate. Under the limit of the round rod 38, the threaded rod 35 will drive the auxiliary mesh 31 connected to the extension block 33 to move on the inner wall of the auxiliary groove 32. During the movement of the auxiliary mesh 31, the mesh holes on the mesh body 1 will be gradually blocked, so that it is convenient to adjust the size of the mesh holes of the mesh body 1 according to actual needs. When it is necessary to install the cross-shaped bracket 41, insert the threaded pin 43 into the inner wall of the card slot block 42, then sleeve the nut 44 and the gasket 45 on one end of the threaded pin 43, and rotate the nut 44 so that one side of the nut 44 abuts against one side of the gasket 45 and one side of the gasket 45 abuts against one side of the card slot block 42, then the cross-shaped bracket 41 can be fixed to the frame 2, and at the same time, the cross-shaped bracket 41 is detachable, which is convenient for cleaning and maintaining the mesh body 1.
Claims
1. A polyurethane screen with an enhanced structure, comprising a mesh body (1) and a frame (2), characterized in that: The outer surface of the net body (1) is fixedly connected to the inner wall of the frame (2). An adjusting device (3) is provided on one side of the net body (1) and the frame (2). The adjusting device (3) includes an auxiliary net (31). An auxiliary groove (32) is formed on the outer surfaces of the net body (1) and the frame (2). The auxiliary groove (32) penetrates the net body (1) and communicates with both sides of the inner wall of the frame (2). An extension block (33) is fixedly connected to a corner of the net body (1). A U-shaped block (34) is fixedly connected to a corner of the frame (2). The inner wall of the U-shaped block (34) communicates with the inner wall of the auxiliary groove (32). A threaded rod (35) is provided inside the extension block (33). The outer surface of the threaded rod (35) communicates with the inner wall of the U-shaped block (34). A strengthening device (4) is provided between the net body (1) and the frame (2).
2. The polyurethane screen with a reinforcing structure according to claim 1, characterized in that: One end of the threaded rod (35) is fixedly connected to a bearing (36). The outer surface of the bearing (36) is fixedly connected to the inner wall of the extension block (33).
3. The polyurethane screen with a reinforcing structure according to claim 1, characterized in that: The other end of the threaded rod (35) is fixedly connected to an operation block (37). Protrusions are provided on the outer surface of the operation block (37).
4. A polyurethane screen mesh with a reinforcing structure according to claim 1, characterized in that: Round rods (38) are symmetrically and fixedly connected to one side of the extension block (33). Round hole blocks (39) are symmetrically and fixedly connected to both sides of the U-shaped block (34). The outer surface of the round rod (38) is slidably connected to the inner wall of the round hole block (39).
5. The polyurethane screen mesh with a reinforcing structure according to claim 4, wherein: Scale lines (310) are evenly arranged on the outer surface of the round rod (38). A stop block (311) is fixedly connected to one end of the round rod (38).
6. The polyurethane screen with a reinforcing structure according to claim 1, characterized in that: The strengthening device (4) includes a cross-shaped bracket (41). One side of the cross-shaped bracket (41) abuts against one side of the net body (1). The four ends of the cross-shaped bracket (41) respectively abut against the four side surfaces of the inner wall of the frame (2).
7. The polyurethane screen with a reinforcing structure according to claim 6, wherein: Clamping groove blocks (42) are fixedly connected to both sides of the four sections of the cross-shaped bracket (41). A threaded pin (43) is inserted into the inner wall of the clamping groove block (42). One end of the threaded pin (43) is fixedly connected to one side of the frame (2). A nut (44) is provided on the outer surface of the threaded pin (43).
8. The polyurethane screen with a reinforcing structure according to claim 7, characterized in that: A gasket (45) is provided between the nut (44) and the clamping groove block (42). The outer surface of the threaded pin (43) is inserted into the inner wall of the gasket (45).