CN212883502U - Polyurethane relaxation sieve net - Google Patents
Polyurethane relaxation sieve net Download PDFInfo
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- CN212883502U CN212883502U CN202021056871.2U CN202021056871U CN212883502U CN 212883502 U CN212883502 U CN 212883502U CN 202021056871 U CN202021056871 U CN 202021056871U CN 212883502 U CN212883502 U CN 212883502U
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- polyurethane
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- screen
- stand
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Abstract
The utility model discloses a polyurethane relaxes and opens screen cloth, including installation frame, fixed frame and polyurethane screen cloth, the top of installation frame is provided with fixed frame, installation frame upper surface welding has the stand, and the top of stand runs through fixed frame and extend to the outside, the top threaded connection that the top of stand is located fixed frame has stop nut, it has cup jointed the spring to lie in on the stand between installation frame and the fixed frame. The utility model discloses in, fix the polyurethane screen cloth on fixed frame, set up fixed frame on the installation frame welded stand, through the setting of spring on the stand for fixed frame possesses the function of certain elastic buffer, at the in-process that uses, on the polyurethane screen cloth was carried to the screening material, this moment under the effect of gravity, the polyurethane screen cloth can take place to relax and change, the spring can contract simultaneously, make fixed frame move down, carry out the atress buffering to the polyurethane screen cloth, prevent that its atress is great to take place deformation damage.
Description
Technical Field
The utility model relates to a resistance test technical field especially relates to polyurethane galloping screen cloth.
Background
Screens are a strict series of mesh sizes. And the product is a netted product which has the functions of grading and screening object particles and meets the approval of industries, institutions and standards. The screen does not say 'mesh number', which is a habit that people describe and is difficult to overcome at one time. The screen size is not isolated and it is composed of a series of mesh sizes for the purpose of classification screening.
Present polyurethane relaxes and opens screen cloth, at user's in-process, relaxes and opens screen cloth snap-on with polyurethane and uses on the frame, lacks buffer structure, the in-process of use, when input the polyurethane to relax and open screen cloth with screening material, polyurethane relaxes and opens screen cloth easy atress deformation damage, secondly single polyurethane relaxes and opens screen cloth's relaxation tension to prevent stifled and antiseized effect relatively poor, so can not satisfy user's demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and provides a polyurethane tension screen.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the polyurethane relaxation sieve mesh comprises a mounting frame, a fixed frame and a polyurethane sieve mesh;
a fixed frame is arranged above the installation frame, an upright post is welded on the upper surface of the installation frame, the top end of the upright post penetrates through the fixed frame and extends to the outside, a limiting nut is connected to the top end of the upright post above the fixed frame in a threaded manner, and a spring is sleeved on the upright post between the installation frame and the fixed frame;
the fixed frame upper surface is fixed with the polyurethane screen cloth through second fixing bolt, the inside welding of installation frame has the elastic arc frame that a plurality of interval equals.
Preferably, the stand is provided with a plurality of altogether, and a plurality of stand equidistant setting is on the installation frame, threaded connection has first fixing bolt between two adjacent stands on the installation frame.
Preferably, a plurality of circular holes matched with the stand columns for use are formed in the periphery of the upper surface of the fixing frame, which is positioned on the outer side of the polyurethane screen.
Preferably, the center of the upper surface of the polyurethane screen is provided with a screen hole, and bolt holes matched with the second fixing bolts are formed in the periphery of the outer side of the screen hole in the upper surface of the polyurethane screen.
Preferably, the mounting frame and the fixing frame have the same length and width.
Compared with the prior art, the beneficial effects of the utility model are that:
in the utility model, the polyurethane relaxation screen mesh fixes the polyurethane screen mesh on the fixed frame, the fixed frame is arranged on the welded upright post on the installation frame, the fixed frame has a certain elastic buffering function through the arrangement of the spring on the upright post, the screening material is conveyed onto the polyurethane screen mesh in the use process, at the moment, under the action of gravity, the polyurethane screen mesh can generate relaxation tension change, the spring can contract simultaneously, the fixed frame moves downwards, the polyurethane screen mesh is stressed and buffered, the deformation and damage caused by larger stress are prevented, when the polyurethane screen mesh moves downwards and contacts with the elastic arc-shaped frame, the elastic arc-shaped frame presses downwards, when the spring rebounds, the fixed frame is driven to rise, the fixed frame drives the polyurethane screen mesh to move upwards, the elastic arc-shaped frame rebounds to hit the polyurethane screen mesh, so that the polyurethane screen mesh generates vibration, the screening material is prevented from being stuck or clamped on the polyurethane screen mesh, and the stability of screening and filtering of the polyurethane screen mesh is ensured.
Drawings
Fig. 1 is a schematic structural view of a polyurethane tension screen provided by the utility model;
fig. 2 is a schematic cross-sectional structure view of a polyurethane tension sieve net provided by the utility model;
fig. 3 is a schematic structural diagram of a polyurethane screen of the polyurethane galloping screen.
Illustration of the drawings:
1. a mounting frame; 11. an elastic arc-shaped frame; 2. a column; 3. a spring; 4. a fixed frame; 5. a first fixing bolt; 6. a limit nut; 7. a second fixing bolt; 8. a polyurethane screen; 81. a screen mesh; 82. bolt holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, the polyurethane relaxation screen includes a mounting frame 1, a fixing frame 4, and a polyurethane screen 8;
a fixed frame 4 is arranged above the installation frame 1, an upright post 2 is welded on the upper surface of the installation frame 1, the top end of the upright post 2 penetrates through the fixed frame 4 and extends to the outside, a limit nut 6 is connected to the top end of the upright post 2 above the fixed frame 4 in a threaded manner, and a spring 3 is sleeved on the upright post 2 between the installation frame 1 and the fixed frame 4;
the upper surface of the fixed frame 4 is fixed with a polyurethane screen 8 through a second fixing bolt 7, and the installation frame 1 is internally welded with a plurality of elastic arc-shaped frames 11 with equal intervals.
The stand 2 is provided with a plurality of altogether, and the equidistant setting of a plurality of stand 2 is on installation frame 1, and threaded connection has first fixing bolt 5 on the installation frame 1 between lieing in adjacent two stands 2.
A plurality of circular holes matched with the stand columns 2 are formed in the periphery of the outer side of the polyurethane screen 8 on the upper surface of the fixed frame 4.
The center of the upper surface of the polyurethane screen mesh 8 is provided with a screen mesh hole 81, and the periphery of the outer side of the upper surface of the polyurethane screen mesh 8, which is positioned on the screen mesh hole 81, is provided with bolt holes 82 used in cooperation with the second fixing bolts 7.
The mounting frame 1 and the fixing frame 4 are equal in length and width.
The working principle is as follows: when the polyurethane relaxed screen is used, firstly, the mounting frame 1 is fixedly mounted at a designated position on the screening machine through the first fixing bolt 5, so that the polyurethane relaxed screen can be used, when the screened material is conveyed to the polyurethane screen 8 by the conveying device, the spring 3 will contract under the action of gravity, so that the fixed frame 4 moves downwards, the polyurethane screen 8 is stressed and buffered to prevent the polyurethane screen 8 from being deformed and damaged due to larger stress, when the polyurethane screen 8 moves downwards to be contacted with the elastic arc-shaped frame 11, the elastic arc-shaped frame 11 is pressed downwards to deform, when the spring 3 rebounds, the fixed frame 4 is driven to ascend, the fixed frame 4 drives the polyurethane screen 8 to move upwards, the elastic arc-shaped frame 11 rebounds to strike the polyurethane screen 8, make polyurethane screen 8 produce the vibration, ensure that the screening material can not glue or block on polyurethane screen 8, guaranteed the filterable stability of polyurethane screen 8 screening.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The polyurethane relaxation sieve mesh is characterized by comprising an installation frame (1), a fixed frame (4) and a polyurethane sieve mesh (8);
a fixed frame (4) is arranged above the installation frame (1), an upright post (2) is welded on the upper surface of the installation frame (1), the top end of the upright post (2) penetrates through the fixed frame (4) and extends to the outer side, a limit nut (6) is connected to the top end of the upright post (2) above the fixed frame (4) in a threaded manner, and a spring (3) is sleeved between the installation frame (1) and the fixed frame (4) on the upright post (2);
the fixed frame (4) upper surface is fixed with polyurethane screen cloth (8) through second fixing bolt (7), the inside welding of installation frame (1) has elastic arc frame (11) that a plurality of interval equals.
2. The polyurethane galloping screen mesh as claimed in claim 1, wherein the center of the upper surface of the polyurethane screen mesh (8) is provided with a screen mesh hole (81), and the periphery of the upper surface of the polyurethane screen mesh (8) on the outer side of the screen mesh hole (81) is provided with bolt holes (82) used for matching with the second fixing bolts (7).
3. The polyurethane galloping screen mesh as claimed in claim 1, wherein a plurality of said vertical columns (2) are arranged, and a plurality of said vertical columns (2) are arranged on a mounting frame (1) at equal intervals, and a first fixing bolt (5) is screwed on said mounting frame (1) between two adjacent vertical columns (2).
4. The polyurethane relaxed screen according to claim 1, wherein the upper surface of the fixed frame (4) is provided with a plurality of circular holes around the outer side of the polyurethane screen (8) for matching with the columns (2).
5. A polyurethane relaxed screen according to claim 1, characterized in that the length and width of the mounting frame (1) and the fixed frame (4) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021056871.2U CN212883502U (en) | 2020-06-10 | 2020-06-10 | Polyurethane relaxation sieve net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021056871.2U CN212883502U (en) | 2020-06-10 | 2020-06-10 | Polyurethane relaxation sieve net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212883502U true CN212883502U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021056871.2U Active CN212883502U (en) | 2020-06-10 | 2020-06-10 | Polyurethane relaxation sieve net |
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| CN (1) | CN212883502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680660A (en) * | 2021-08-18 | 2021-11-23 | 安平县盛佳五金网业有限公司 | Wavy polyurethane one-step forming vibrating screen and production process |
-
2020
- 2020-06-10 CN CN202021056871.2U patent/CN212883502U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680660A (en) * | 2021-08-18 | 2021-11-23 | 安平县盛佳五金网业有限公司 | Wavy polyurethane one-step forming vibrating screen and production process |
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