Impact-resistant polyurethane screen
By designing the corrugated first screen and the planar second screen, combined with the buffer mechanism, the problem of accelerated wear of the polyurethane screen during use is solved, achieving a longer service life and lower maintenance costs.
Patent Information
- Application Number
- CN202420366260.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-28
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-02-28
AI Technical Summary
During the use of existing polyurethane screens, the material directly impacts the upper surface of the screen, which leads to faster wear of the screen and the overall replacement and maintenance cost is high.
An impact-resistant polyurethane screen is designed, which is composed of a first screen and a second screen. The first screen is corrugated, the second screen is planar, and combined with a plurality of buffering mechanisms, the buffering mechanism includes a sleeve, A telescopic slider, a limit slide plate and a spring are used to slow down the impact of the material on the screen and to cause one end of the first screen to swing up and down.
Effectively slow down the impact of materials on the screen, extend the service life of the screen, reduce maintenance costs, and improve the practicality of the screen.
Smart Images
Figure CN222447269U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screen meshes, in particular to an impact-resistant polyurethane screen mesh. Background Art
[0002] Polyurethane screen has the advantages of high tear strength, good wear resistance, good resilience, small compression permanent deformation and long service life. Therefore, it is widely used in screening equipment for simple screening of items.
[0003] The existing polyurethane screen has certain shortcomings during use. The screen and the frame on the polyurethane screen are a whole plate. During the use of the polyurethane screen, the material directly impacts the upper surface of the polyurethane screen, causing impact on the upper surface of the polyurethane screen, accelerating the wear of the polyurethane screen. When replacing, it can only be replaced as a whole, and the maintenance cost is high. Utility Model Content
[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the above problems in the background technology, the present utility model is proposed.
[0006] Therefore, the utility model aims to provide an impact-resistant polyurethane screen.
[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an impact-resistant polyurethane screen, comprising a mounting base, a screen assembly is arranged on the top of the mounting base; the screen assembly comprises a first screen and a second screen, one end of the first screen is movably connected to the top of one end of the second screen, screen holes are provided on the first screen and the second screen, and a plurality of buffer mechanisms are arranged between the other end of the first screen and the mounting base; the first screen is corrugated.
[0008] As a preferred solution of the impact-resistant polyurethane screen of the utility model, the first screen is composed of multiple top plates, multiple bottom plates and multiple groups of arc plates, and the multiple groups of arc plates are fixedly connected between adjacent top plates and bottom plates.
[0009] As a preferred solution of the impact-resistant polyurethane screen of the utility model, a plurality of hinged plates are fixedly connected to the top end of one end of the second screen facing the first screen, the hinged plates are clamped in the interior of the first screen, and a rotating pin is rotatably inserted in the first screen and the interior of the hinged plates.
[0010] As a preferred solution of the impact-resistant polyurethane screen of the utility model, the four corners of the bottom end of the second screen are fixedly connected with support rods, and the bottom end of the support rods is fixedly connected to the top end of the mounting base.
[0011] As a preferred solution of the impact-resistant polyurethane screen of the utility model, the buffer mechanism includes a sleeve, a telescopic slide rod, a limiting slide plate and a second spring, the telescopic slide rod is slidably inserted into the top end of the sleeve, the limiting slide plate is slidably sleeved inside the sleeve, and the top end of the limiting slide plate is fixedly connected to the bottom end of the telescopic slide rod, the second spring is located between the sleeve and the bottom end of the limiting slide plate, the bottom end of the sleeve and the top end of the telescopic slide rod are both hinged with an articulated seat, and the opposite ends of the two articulated seats are respectively fixedly connected to the first screen and the opposite end of the mounting base.
[0012] As a preferred solution of the impact-resistant polyurethane screen of the utility model, the bottom of the telescopic slide rod is sleeved with a first spring, and the first spring is located between the sleeve and the top of the limiting slide plate.
[0013] The beneficial effects of the utility model are as follows: the utility model improves the traditional flat screen, and is composed of a first screen and a second screen. The first screen is corrugated, and the second screen is flat. The first screen corresponds to the material inlet end. When the material falls onto the upper surface of the first screen, part of the material will fall onto the top and the curved surface of the first screen, thereby reducing the impact of the material on the first screen. At the same time, under the impact of the material, one end of the first screen can be made to swing up and down through the buffer mechanism, thereby reducing the impact of the material on the first screen, and at the same time, it is convenient to move the material on the first screen to the second screen, thereby increasing the service life of the screen and improving the practicability of the screen. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0015] Figure 1 It is a schematic diagram of the overall structure of the impact-resistant polyurethane screen of the utility model.
[0016] Figure 2 This utility model is an impact-resistant polyurethane screen Figure 1 Enlarged structural diagram at A in the middle.
[0017] Figure 3 This is a schematic diagram of the first screen structure of the impact-resistant polyurethane screen of the utility model.
[0018] Figure 4 This is a schematic diagram of the second screen structure of the impact-resistant polyurethane screen of the utility model.
[0019] Figure 5 This utility model is an impact-resistant polyurethane screen Figure 1 Main view of the overall structure.
[0020] Figure 6 This is a schematic diagram of the structure of the impact-resistant polyurethane screen buffer mechanism of the utility model.
[0021] In the figure: 1, mounting base; 2, first screen; 201, rotating pin; 3, second screen; 301, hinge plate; 4, sleeve; 401, telescopic slide rod; 402, limit slide plate; 403, first spring; 404, second spring. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it an embodiment that is mutually exclusive with other embodiments, either individually or selectively.
[0025] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.
[0026] Example
[0027] Reference Figure 1 to Figure 6 As shown, an impact-resistant polyurethane screen is provided, comprising:
[0028] A screen assembly is arranged at the top of the mounting base 1; the screen assembly comprises a first screen 2 and a second screen 3, one end of the first screen 2 is movably connected to the top of one end of the second screen 3, screen holes are provided on the first screen 2 and the second screen 3, four corners of the bottom end of the second screen 3 are fixedly connected to support rods, and the bottom end of the support rods is fixedly connected to the top of the mounting base 1, and a plurality of buffer mechanisms are arranged between the other end of the first screen 2 and the mounting base 1; the first screen 2 is in a corrugated shape; the first screen 2 is composed of a plurality of top plates, a plurality of bottom plates and a plurality of groups of arc plates, and the plurality of groups of arc plates are fixedly connected between adjacent top plates and bottom plates; the utility model The traditional flat screen is improved and consists of a first screen 2 and a second screen 3. The first screen 2 is corrugated and the second screen 3 is flat. The first screen 2 corresponds to the material inlet end. When the material falls on the upper surface of the first screen 2, part of the material will fall on the top and the curved surface of the first screen 2, thereby reducing the impact of the material on the first screen 2. At the same time, under the impact of the material, one end of the first screen 2 can be swung up and down through the buffer mechanism, thereby reducing the impact of the material on the first screen 2, and at the same time, it is convenient to move the material on the first screen 2 to the second screen 3, thereby increasing the service life of the screen and improving the practicability of the screen.
[0029] Refer to the attached Figure 2 As shown, a plurality of hinged plates 301 are fixedly connected to the top end of one end of the second screen 3 facing the first screen 2, and the hinged plates 301 are clamped in the interior of the first screen 2. A rotating pin 201 is inserted in the first screen 2 and rotated with the interior of the hinged plates 301; the first screen 2 and the second screen 3 are connected by a hinged manner, so that one end of the first screen 2 can swing up and down conveniently through the buffer mechanism.
[0030] Refer to the attached Figure 6 As shown in the attached Figure 5 The buffer mechanism includes a sleeve 4, a telescopic slide rod 401, a limiting slide plate 402 and a second spring 404. The telescopic slide rod 401 is slidably inserted into the top end of the sleeve 4, the limiting slide plate 402 is slidably sleeved inside the sleeve 4, and the top end of the limiting slide plate 402 is fixedly connected to the bottom end of the telescopic slide rod 401. The second spring 404 is located between the sleeve 4 and the bottom end of the limiting slide plate 402. The bottom end of the sleeve 4 and the top end of the telescopic slide rod 401 are both hinged with an articulated seat, and the opposite ends of the two articulated seats are respectively fixedly connected to the first screen 2 and the opposite end of the mounting base 1; the elastic force of the second spring 404 can buffer the end of the first screen 2 corresponding to the material, reduce the impact force on the first screen 2, and improve the impact resistance of the first screen 2.
[0031] Refer to the attached Figure 6As shown, a first spring 403 is sleeved on the bottom of the telescopic slide rod 401, and the first spring 403 is located between the inside of the sleeve 4 and the top of the limiting slide plate 402. The elastic force of the first spring 403 can reduce the impact force of the limiting slide plate 402 on the top wall inside the sleeve 4, and further buffer the end of the first screen 2 corresponding to the round material.
[0032] It should be noted that the various standard parts used in the present invention are all available on the market, and non-standard parts can be specially customized. The connection method adopted in the present invention is also a very common means in the mechanical field compared to sliding connection, hinge, etc., and the inventor will not go into details here.
[0033] Operation process: The utility model improves the traditional flat screen, and is composed of a first screen 2 and a second screen 3. The first screen 2 is corrugated, and the second screen 3 is flat. The first screen 2 corresponds to the material inlet end. When the material falls on the upper surface of the first screen 2, part of the material will fall on the top and the curved surface of the first screen 2, thereby reducing the impact of the material on the first screen 2. At the same time, under the impact of the material, one end of the first screen 2 can be swung up and down through the buffer mechanism, thereby reducing the impact of the material on the first screen 2, and at the same time, it is convenient to move the material on the first screen 2 to the second screen 3, thereby increasing the service life of the screen and improving the practicability of the screen.
[0034] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. An impact-resistant polyurethane screen, characterized in that: include, A mounting base (1), wherein a screen assembly is disposed on the top of the mounting base (1); The screen assembly comprises a first screen (2) and a second screen (3), one end of the first screen (2) is movably connected to the top end of one end of the second screen (3), screen holes are provided on both the first screen (2) and the second screen (3), and a plurality of buffer mechanisms are provided between the other end of the first screen (2) and the mounting base (1); The first screen (2) is in a corrugated shape.
2. The impact-resistant polyurethane screen according to claim 1, characterized in that: The first screen (2) is composed of a plurality of top plates, a plurality of bottom plates and a plurality of groups of arc-shaped plates, wherein the plurality of groups of arc-shaped plates are fixedly connected between adjacent top plates and bottom plates.
3. The impact-resistant polyurethane screen according to claim 1, characterized in that: A plurality of hinged plates (301) are fixedly connected to the top end of one end of the second screen (3) facing the first screen (2); the hinged plates (301) are snap-fitted into the interior of the first screen (2); and a rotating pin (201) is rotatably plugged into the interior of the hinged plates (301) in the first screen (2).
4. The impact-resistant polyurethane screen according to claim 1, characterized in that: The four corners of the bottom end of the second screen (3) are fixedly connected to support rods, and the bottom ends of the support rods are fixedly connected to the top ends of the mounting base (1).
5. The impact-resistant polyurethane screen according to claim 1, characterized in that: The buffer mechanism comprises a sleeve (4), a telescopic slide rod (401), a limiting slide plate (402) and a second spring (404); the telescopic slide rod (401) is slidably inserted into the top end of the sleeve (4); the limiting slide plate (402) is slidably sleeved inside the sleeve (4); and the top end of the limiting slide plate (402) is fixedly connected to the bottom end of the telescopic slide rod (401); the second spring (404) is located inside the sleeve (4) and between the bottom end of the limiting slide plate (402); the bottom end of the sleeve (4) and the top end of the telescopic slide rod (401) are both hinged with an articulated seat; and opposite ends of the two articulated seats are respectively fixedly connected to the first screen (2) and the opposite end of the mounting base (1).
6. The impact-resistant polyurethane screen according to claim 5, characterized in that: A first spring (403) is sleeved on the bottom of the telescopic slide rod (401), and the first spring (403) is located between the inside of the sleeve (4) and the top of the limiting slide plate (402).