Vibrating screen twill plain weaving screen

By using high-temperature sintering to fix the filter screen and setting limit protrusions and installation grooves in the vibrating screen, the problem of difficulty in controlling accuracy and easy deformation during the screening process in the prior art is solved, and a high-precision and stable screening effect is achieved.

CN222535513UActive Publication Date: 2025-02-28上海亦来制药设备技术有限公司
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Patent Information

Application Number
CN202421269916.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-02-28
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The existing vibrating screen twill flat woven screen cannot achieve accuracy control during the screening process, and it is easy to deform when subjected to external forces, resulting in changes in the pore size and affecting the screening accuracy.

Method used

The filter screen is fixed on the punching base plate by high temperature sintering, and by setting limiting protrusions and installation grooves, ensuring the precise coordination between the screen and the vibrating screen to prevent deformation.

Benefits of technology

A high-precision screening effect is achieved to ensure that the screen does not deform under the action of external forces and the accuracy remains unchanged.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of vibrating screens, and particularly discloses a vibrating screen twill plain weaving screen which comprises a bottom plate, a filter screen is fixed to the upper end of the bottom plate in a high-temperature sintering mode, the bottom plate is a punched bottom plate, a plurality of round punched holes are formed in the bottom plate in a penetrating mode, and limiting protrusions are arranged at the lower end of the bottom plate. The cross section of the limiting protrusion is of a trapezoidal structure, a mounting ring is arranged at the lower end of the bottom plate, a mounting groove is formed in the position, corresponding to the limiting protrusion, of the upper end of the mounting ring, and the mounting ring is fixedly arranged on the inner wall of a shell of the vibrating screen. The filter screen comprises a plurality of longitudinally arranged warp yarns, first weft yarns and second weft yarns are transversely arranged outside the warp yarns, the first weft yarns and the second weft yarns are arranged in a wavy line structure, the first weft yarns and the second weft yarns are symmetrically distributed in opposite directions, and two warp yarns surround a group of wavy positions corresponding to the first weft yarns and the second weft yarns.
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Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screens, in particular to a twill plain woven screen mesh for a vibrating screen. Background Art

[0002] Vibrating screen twill plain weave screen is a technology commonly used in the current biopharmaceutical field. This technology uses a high-precision twill plain weave mesh with a punching plate at the bottom. The screening effect is high precision, stable, and easy to install, which greatly saves the problems of inconvenient and unstable installation. It uses a flat structure to ensure that the required material can ensure its particle size when passing through its specific screen, and more effectively achieve the required accuracy. It is also the most critical step in the late stage of synthesis production in the pharmaceutical field.

[0003] The existing vibrating screen twill plain weave screen cannot achieve the filtering effect within the controllable range during the screening process. This kind of screen generally adopts a mat mesh, and will be deformed when subjected to a certain pressure or external force during use. In this case, the aperture of the mesh will change, greatly changing its aperture size, resulting in the inability to achieve the required accuracy during screening. Utility Model Content

[0004] The utility model aims to provide a twill plain woven screen for a vibrating screen to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vibrating screen twill plain woven screen, comprising a bottom plate, the upper end of the bottom plate is fixed with a filter screen by high-temperature sintering, the bottom plate is a punched bottom plate, a plurality of circular punched holes are arranged through the bottom plate, a limiting protrusion is arranged at the lower end of the bottom plate, the cross-section of the limiting protrusion is a trapezoidal structure, a mounting ring is arranged at the lower end of the bottom plate, a mounting groove is arranged at the upper end of the mounting ring corresponding to the position of the limiting protrusion, and the mounting ring is fixedly arranged on the inner wall of the shell of the vibrating screen; the filter screen comprises a plurality of longitudinally arranged warp threads, a first weft thread and a second weft thread are arranged transversely on the outside of the warp threads, the first weft thread and the second weft thread are arranged in a wavy line structure, the first weft thread and the second weft thread are symmetrically distributed in opposite directions, and two warp threads are surrounded by a group of waves corresponding to the first weft thread and the second weft thread.

[0006] Preferably, the base plate is provided with first threaded holes in an array, the surrounding axis of the threaded holes corresponds to the position of the limiting protrusion, and the mounting ring is provided with a plurality of second threaded holes in an array.

[0007] Preferably, the first threaded hole and the second threaded hole are arranged correspondingly, and bolts are installed in the first threaded hole and the second threaded hole. The nut end of the bolt is arranged at the lower end of the mounting ring, and a nut is arranged at one end of the bolt, and the nut is arranged at the upper end of the filter.

[0008] Preferably, the thickness of the bottom plate is 1 mm, and the hole spacing of the bottom plate is 3 holes and 2 spacings.

[0009] Preferably, the filter screen further comprises a reinforcing steel wire, which also has a wavy line structure. The reinforcing steel wire is wound around the outside of the warp wire, and the reinforcing steel wire is intersected with the warp wire, with an angle of 45° between the two.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model realizes high-precision screening by setting a high-precision twill plain woven mesh; the utility model adopts a punched bottom plate to sinter the fixed screen at high temperature, which can effectively fix it, and under the action of a certain external force, the screen will not be deformed and its accuracy will not be inaccurate; the utility model has corresponding limit protrusions and installation grooves, and the installation grooves are set on the shell of the fixed and vibrating screen, so that the screen and the vibrating screen are precisely matched, so that it can be used without assembly discrepancies during screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a cross-sectional view of the utility model;

[0013] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0014] Figure 4 It is a structural schematic diagram of the filter screen of the utility model.

[0015] In the figure: 1, bottom plate; 101, limiting protrusion; 102, first threaded hole; 103, punching hole; 2, filter screen; 21, first weft wire; 22, warp wire; 23, second weft wire; 24, reinforcing steel wire; 3, bolt; 4, nut; 5, mounting ring; 501, mounting groove; 502, second threaded hole; 6, shell. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-4 The utility model provides a technical solution: a vibrating screen twill plain woven screen, comprising a bottom plate 1, the upper end of the bottom plate 1 is fixed with a filter screen 2 by high-temperature sintering, the bottom plate 1 is a punching 103 bottom plate 1, a plurality of circular punching holes 103 are arranged through the bottom plate 1, a limiting protrusion 101 is arranged at the lower end of the bottom plate 1, and the cross-section of the limiting protrusion 101 is a trapezoidal structure, a mounting ring 5 is arranged at the lower end of the bottom plate 1, and a mounting groove 501 is arranged at the upper end of the mounting ring 5 corresponding to the position of the limiting protrusion 101, and the mounting ring 5 is fixedly arranged on the inner wall of the housing 6 of the vibrating screen; the filter screen 2 comprises a plurality of longitudinally arranged warp threads 22, a first weft thread 21 and a second weft thread 23 are arranged transversely outside the warp thread 22, the first weft thread 21 and the second weft thread 23 are arranged in a wavy line structure, the first weft thread 21 and the second weft thread 23 are symmetrically distributed in opposite directions, and two warp threads 22 are surrounded by a group of waves corresponding to the first weft thread 21 and the second weft thread 23.

[0020] Furthermore, the base plate 1 is provided with first threaded holes 102 in an array, and the surrounding axis of the threaded holes corresponds to the position of the limiting protrusion 101 , and the mounting ring 5 is provided with a plurality of second threaded holes 502 in an array.

[0021] Furthermore, the first threaded hole 102 and the second threaded hole 502 are arranged correspondingly, and bolts 3 are installed in the first threaded hole 102 and the second threaded hole 502, the nut end of the bolt 3 is arranged at the lower end of the mounting ring 5, and a nut 4 is arranged at one end of the bolt 3, and the nut 4 is arranged at the upper end of the filter 2.

[0022] Furthermore, the thickness of the bottom plate 1 is 1 mm, and the hole spacing of the bottom plate 1 is 3 holes and 2 spacings.

[0023] Furthermore, the filter screen 2 also includes a reinforcing steel wire 24, which is also a wavy line structure. The reinforcing steel wire 24 is wound around the outside of the warp wire 22, and the reinforcing steel wire 24 and the warp wire 22 are intersected, and the angle between the two is 45°.

[0024] Working principle: The utility model provides a vibrating screen twill plain woven screen, including a bottom plate 1, the upper end of the bottom plate 1 is fixed with a filter screen 2 by high-temperature sintering, the bottom plate 1 is a punched 103 bottom plate 1, a plurality of circular punched holes 103 are arranged through the bottom plate 1, a limiting protrusion 101 is arranged at the lower end of the bottom plate 1, and the cross-section of the limiting protrusion 101 is a trapezoidal structure, a mounting ring 5 is arranged at the lower end of the bottom plate 1, and a mounting groove 501 is arranged at the upper end of the mounting ring 5 corresponding to the position of the limiting protrusion 101, and the mounting ring 5 is fixedly arranged on the inner wall of the shell 6 of the vibrating screen; the filter screen 2 includes a plurality of longitudinally arranged warp threads 22, and a first weft thread 21 and a second weft thread 23 are arranged transversely on the outside of the warp thread 22, and the first weft thread 21 and the second weft thread 23 are arranged in a wavy line structure, and the first weft thread 21 and the second weft thread 23 are arranged in a wavy line structure. The second weft wires 23 are symmetrically distributed in the opposite direction, and two warp wires 22 are surrounded by a group of waves corresponding to the first weft wires 21 and the second weft wires 23; when used specifically, the mounting ring 5 is fixed on the vibration screen housing 6, and then the screen is fixed by bolts 3. The utility model realizes high-precision screening by setting a high-precision twill plain weave mesh; the utility model adopts a punching 103 bottom plate 1 to sinter and fix the screen 2 at high temperature, which can effectively fix it, and under the action of a certain external force, the screen 2 will not be deformed and its accuracy will be inaccurate; the utility model has corresponding limit protrusions 101101 and mounting grooves 501501, and the mounting grooves 501501 are set on the housing 66 fixed to the vibration screen, so that the screen 2 is precisely matched with the vibration screen, so that it can be used without assembly mismatches during screening.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vibrating screen twill plain woven screen, characterized in that: The invention comprises a bottom plate (1), the upper end of which is fixed with a filter screen (2) by means of high-temperature sintering, the bottom plate (1) being a punched (103) bottom plate (1), a plurality of circular punched holes (103) being arranged through the bottom plate (1), a limiting protrusion (101) being arranged at the lower end of the bottom plate (1), the cross section of the limiting protrusion (101) being of a trapezoidal structure, a mounting ring (5) being arranged at the lower end of the bottom plate (1), a mounting groove (501) being arranged at the upper end of the mounting ring (5) corresponding to the position of the limiting protrusion (101), The mounting ring (5) is fixedly mounted on the inner wall of a housing (6) of the vibrating screen; the filter screen (2) comprises a plurality of longitudinally arranged warp threads (22); a first weft thread (21) and a second weft thread (23) are transversely arranged outside the warp threads (22); the first weft thread (21) and the second weft thread (23) are arranged in a wavy line structure; the first weft thread (21) and the second weft thread (23) are symmetrically distributed in opposite directions; and two warp threads (22) surround a group of wavy portions corresponding to the first weft thread (21) and the second weft thread (23).

2. A vibrating screen twill plain woven screen according to claim 1, characterized in that: The base plate (1) is provided with first threaded holes (102) in an array, the surrounding axis of the threaded holes corresponds to the position of the limiting protrusion (101), and the mounting ring (5) is provided with a plurality of second threaded holes (502) in an array.

3. A vibrating screen twill plain weave screen according to claim 2, characterized in that: The first threaded hole (102) and the second threaded hole (502) are arranged correspondingly, and a bolt (3) is installed in each of the first threaded hole (102) and the second threaded hole (502), and the nut end of the bolt (3) is arranged at the lower end of the mounting ring (5), and a nut (4) is arranged at one end of the bolt (3), and the nut (4) is arranged at the upper end of the filter screen (2).

4. The vibrating screen twill plain weave screen according to claim 1, characterized in that: The thickness of the bottom plate (1) is 1 mm, and the hole spacing of the bottom plate (1) is 3 holes and 2 spacings.

5. The vibrating screen twill plain weave screen according to claim 1, characterized in that: The filter screen (2) further comprises a reinforcing steel wire (24), which is also a wavy line structure. The reinforcing steel wire (24) is wound around the outside of the warp wire (22), and the reinforcing steel wire (24) and the warp wire (22) are arranged to intersect, and the angle between the two is 45 degrees.