Composite vibrating screen

Abstract

The utility model discloses a compound type vibrating screen which comprises a screen frame, a first screen plate, a second screen plate and a vibration excitation piece, the first screen plate is arranged on the screen frame, the first screen plate is provided with first screen holes for small-particle wet sticky materials to pass through, the second screen plate is arranged on the screen frame, and the first screen plate and the second screen plate are sequentially arranged in the downward inclined direction. The second sieve plate is provided with second sieve holes with the hole diameter larger than that of the first sieve holes, the vibration excitation piece is arranged on the sieve frame, and the vibration excitation piece can make the sieve frame vibrate so that the first sieve plate can deform, and materials on the first sieve plate can sequentially move and pass through the first sieve plate and the second sieve plate. By means of the structure, on one hand, small-particle wet and sticky materials can be screened out through the first screen holes, the amount of the small-particle wet and sticky materials moving to the second screen plate is reduced, and therefore the probability that the second screen holes are pasted can be reduced; on the other hand, the deformed first sieve plate can reduce the probability that small-particle wet sticky materials scabs on the first sieve holes, and therefore the probability that the first sieve holes are pasted can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of material screening, in particular to a composite vibrating screen. Background Art

[0002] In order to classify the mixed materials, a vibrating screen capable of screening the mixed materials came into being. During the screening process of the mixed materials, small particles of wet and sticky materials in the mixed materials are prone to form crusts on the sieve holes of the vibrating screen, which can easily cause the sieve holes of the vibrating screen to become sticky. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a composite vibrating screen, which can reduce the probability of stale holes occurring in the screen holes.

[0004] According to an embodiment of the utility model, a composite vibrating screen comprises a screen frame, a first screen plate, a second screen plate and an exciting member, wherein the first screen plate is arranged on the screen frame, the first screen plate is provided with a first screen hole for small-particle wet and sticky materials to pass through, the second screen plate is arranged on the screen frame, the first screen plate and the second screen plate are arranged in sequence along an inclined downward direction, the second screen plate is provided with a second screen hole with a larger aperture than the first screen hole, the exciting member is arranged on the screen frame, the exciting member can vibrate the screen frame to deform the first screen plate, and move the material on the first screen plate through the first screen plate and the second screen plate in sequence.

[0005] A composite vibrating screen according to an embodiment of the utility model has at least the following beneficial effects: through the above structure, on the one hand, the small particles of wet and sticky materials on the material moving through the first sieve plate will be screened out through the first sieve holes, so that the amount of small particles of wet and sticky materials moving to the second sieve plate is reduced, thereby reducing the probability of the second sieve holes becoming sticky; on the other hand, the deformed first sieve plate can reduce the probability of small particles of wet and sticky materials forming scabs on the first sieve holes, thereby reducing the probability of the first sieve holes becoming sticky. In summary, the probability of the sieve holes (the first sieve holes and the second sieve holes) becoming sticky can be reduced.

[0006] According to some embodiments of the utility model, the screen frame is provided with a fixed beam and a movable assembly, one side of the first screen plate is provided on the fixed beam, and the other side is provided on the movable assembly, and the vibrating screen frame can drive the first screen plate to deform through the movable assembly.

[0007] According to some embodiments of the utility model, the fixed beam and the first sieve plate are each provided in two, and the two first sieve plates are arranged in sequence along an inclined downward direction, wherein one side portion of one of the first sieve plates is provided on one of the fixed beams, and the other side portion is provided on the movable assembly, and one side portion of the other first sieve plate is provided on the other fixed beam, and the other side portion is provided on the movable assembly.

[0008] According to some embodiments of the utility model, the moving component includes a first elastic swing arm, a second elastic swing arm and a floating beam, one end of the first elastic swing arm is arranged on the screen frame, one end of the second elastic swing arm is arranged on the screen frame, one end of the floating beam is connected to the other end of the first elastic swing arm, and the other end is connected to the other end of the second elastic swing arm, and the other side of the first screen plate is arranged on the floating beam, wherein the vibrating screen frame can drive the floating beam to move through the first elastic swing arm and the second elastic swing arm, so as to drive the first screen plate to deform.

[0009] According to some embodiments of the present invention, the first sieve plate and the second sieve plate are both inclined.

[0010] According to some embodiments of the present invention, the first sieve plate and the second sieve plate are staggered in an inclined downward direction to be arranged in a stepped manner.

[0011] According to some embodiments of the utility model, the second screen plates are provided in at least two, and at least two of the second screen plates are arranged sequentially in an inclined downward direction, and the vibration excitation member can vibrate the screen frame to move the material on the first screen plate sequentially through the first screen plate and at least two of the second screen plates.

[0012] According to some embodiments of the present invention, the second screen plate is arranged obliquely, and at least two of the second screen plates are staggered in sequence along the oblique downward direction to be arranged in a stepped manner.

[0013] According to some embodiments of the present invention, the bottom sides of the second sieve plates except the one located at the bottom are all provided with rod conditions.

[0014] According to some embodiments of the present invention, the sieve frame is provided with two oppositely arranged side plates, and the first sieve plate and the second sieve plate are both arranged between the two side plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 This is a structural diagram of an embodiment of the composite vibrating screen of the utility model;

[0017] Figure 2 for Figure 1 A cross-sectional view of the composite vibrating screen shown in;

[0018] Figure 3 for Figure 1 Another cross-sectional view of the composite vibrating screen shown in ;

[0019] Figure 4 for Figure 1 A first state diagram of the first screen plate shown in ;

[0020] Figure 5 for Figure 1 A second state diagram of the first screen plate shown in ;

[0021] Figure 6 for Figure 1 The third state diagram of the first screen plate is shown in .

[0022] Reference numerals:

[0023] Screen frame 100, fixed beam 110, second slot 111, moving assembly 120, first elastic swing arm 121, second elastic swing arm 122, floating beam 123, first slot 123A, side plate 130, buffer seat 140;

[0024] A first sieve plate 200 and a first sieve hole 210;

[0025] The second sieve plate 300, the second sieve hole 310, and the rod condition 320;

[0026] Excitation element 400;

[0027] A first fillet 610 and a second fillet 620;

[0028] Blind plate 700. DETAILED DESCRIPTION

[0029] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0030] In the description of the utility model, if there is a description of first, second, third, fourth, fifth, etc., it is only for the purpose of distinguishing the technical features and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are 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.

[0032] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0033] Reference Figures 1 to 6 The embodiment of the utility model is a composite vibrating screen, which includes a screen frame 100, a first screen plate 200, a second screen plate 300 and a vibration excitation member 400.

[0034] The first sieve plate 200 is arranged on the sieve frame 100, and the first sieve plate 200 is provided with a first sieve hole 210 for small-particle wet sticky materials to pass through. The second sieve plate 300 is arranged on the sieve frame 100, and the first sieve plate 200 and the second sieve plate 300 are arranged in sequence along the oblique downward direction, and the second sieve plate 300 is provided with a second sieve hole 310 with a larger aperture than the first sieve hole 210. The exciter 400 is arranged on the sieve frame 100, and the exciter 400 can vibrate the sieve frame 100 to deform the first sieve plate 200, and to move the materials on the first sieve plate 200 through the first sieve plate 200 and the second sieve plate 300 in sequence. Among them, the exciter 400 can be set as an eccentric block exciter, etc.

[0035] It can be understood that the material of the first screen plate 200 is a deformable material, and specifically can be set to a polyurethane plate.

[0036] Through the above structure, on the one hand, the small particles of wet and sticky materials on the material moving through the first sieve plate 200 will be screened out through the first sieve holes 210, so that the amount of small particles of wet and sticky materials moving to the second sieve plate 300 is reduced, thereby reducing the probability of the second sieve holes 310 becoming sticky. On the other hand, the deformed first sieve plate 200 can reduce the probability of small particles of wet and sticky materials forming scabs on the first sieve holes 210, thereby reducing the probability of the first sieve holes 210 becoming sticky. In summary, the probability of the sieve holes (the first sieve holes 210 and the second sieve holes 310) becoming sticky can be reduced.

[0037] The first sieve plate 200 is disposed on the sieve frame 200. For details, refer to Figure 1 , Figure 2 as well as Figure 3 The screen frame 100 is provided with a fixed beam 110 and a moving assembly 120 . One side of the first screen plate 200 is provided on the fixed beam 110 , and the other side is provided on the moving assembly 120 . The vibrating screen frame 100 can drive the first screen plate 200 to deform through the moving assembly 120 .

[0038] In some embodiments, the first sieve plate 200 is disposed on the sieve frame 200. Specifically, the sieve frame 100 is provided with two fixed beams 110, and the two sides of the first sieve plate 200 are respectively disposed on the two fixed beams 110, wherein the material of the first sieve plate 200 is elastic material, and the vibrating sieve frame 100 can cause the first sieve plate 200 to vibrate and thus deform.

[0039] The moving assembly 120 includes a first elastic swing arm 121 , a second elastic swing arm 122 and a floating beam 123 .

[0040] Reference Figure 3 One end of the first elastic swing arm 121 is arranged on the screen frame 100, one end of the second elastic swing arm 122 is arranged on the screen frame 100, one end of the floating beam 123 is connected to the other end of the first elastic swing arm 121, and the other end is connected to the other end of the second elastic swing arm 122, and the other side of the first screen plate 200 is arranged on the floating beam 123, wherein the vibrating screen frame 100 can drive the floating beam 123 to move through the first elastic swing arm 121 and the second elastic swing arm 122, so as to drive the first screen plate 200 to deform.

[0041] In this embodiment, the vibrating screen frame 100 can drive the floating beam 123 to move back and forth through the first elastic swing arm 121 and the second elastic swing arm 122 to drive the first screen plate 200 to deform.

[0042] It is understandable that when the first sieve plate 200 is deformed (see Figure 5 and Figure 6 As shown in the figure, the first sieve hole 210 on the first sieve plate 200 will also be deformed, thereby reducing the probability of small particles of wet and sticky materials forming crusts on the first sieve hole 210, so as to reduce the probability of the first sieve hole 210 becoming sticky.

[0043] In this embodiment, refer to Figure 3 The first elastic swing arm 121 and the second elastic swing arm 122 are each provided with two, one end of the two first elastic swing arms 121 are both provided on the screen frame 100, the other end of the two first elastic swing arms 121 are both provided on one end of the floating beam 123, one end of the two second elastic swing arms 122 are both provided on the screen frame 100, and the other end of the two second elastic swing arms 122 are both provided on the other end of the floating beam 123.

[0044] In some embodiments, three first elastic swing arms 121 and three second elastic swing arms 122 are each provided, one end of the three first elastic swing arms 121 is each provided on the screen frame 100, the other end of the three first elastic swing arms 121 is each provided on one end of the floating beam 123, one end of the three second elastic swing arms 122 is each provided on the screen frame 100, and the other end of the three second elastic swing arms 122 is each provided on the other end of the floating beam 123.

[0045] In this embodiment, refer to Figure 2 There are two fixed beams 110 and two first sieve plates 200, and the two first sieve plates 200 are arranged in sequence along the downward inclined direction, one side of one of the first sieve plates 200 is arranged on one of the fixed beams 110, and the other side is arranged on the floating beam 123, and one side of the other first sieve plate 200 is arranged on the other fixed beam 110, and the other side is arranged on the floating beam 123.

[0046] The other side of one of the first sieve plates 200 is disposed on the floating beam 123, and the other side of the other first sieve plate 200 is disposed on the floating beam 123. For details, refer to Figure 2 The floating beam 123 is provided with a first card slot 123A, in which the other side of one of the first sieve plates 200 is clamped in the first card slot 123A, and the other side of the other first sieve plate 200 is clamped in the first card slot 123A. The first card slot 123A is inserted with a first fillet 610, and the first fillet 610 abuts between the other side of one of the first sieve plates 200 and the other side of the other first sieve plate 200.

[0047] In this embodiment, refer to Figure 1 and Figure 2 , both fixed beams 110 are provided with blind plates 700 , wherein one blind plate 700 , one first sieve plate 200 , another first sieve plate 200 and another blind plate 700 are sequentially arranged in an inclined downward direction.

[0048] The two fixed beams 110 are each provided with a blind plate 700, and one side of the two first sieve plates 200 is respectively provided on the two fixed beams 110. For details, refer to Figure 3The fixed beam 110 is provided with a second slot 111, one side of one of the first sieve plates 200 is clamped in one of the second slots 111, one side of one of the blind plates 700 is clamped in one of the second slots 111, a second fillet 620 is inserted into one of the second slots 111, the second fillet 620 abuts between one side of one of the first sieve plates 200 and one side of one of the blind plates 700, one side of another first sieve plate 200 is clamped in another second slot 111, one side of another blind plate 700 is clamped in another second slot 111, a second fillet 620 is inserted into another second slot 111, the second fillet 620 abuts between one side of another first sieve plate 200 and one side of another blind plate 700.

[0049] In this embodiment, refer to Figure 1 and Figure 2 The first sieve plate 200 and the second sieve plate 300 are both inclined, and the first sieve plate 200 and the second sieve plate 300 located at the bottom are staggered in an inclined downward direction to be arranged in a stepped manner.

[0050] In some embodiments, the first sieve plate 200 and the second sieve plate 300 are both arranged at an angle, and the first sieve plate 200 and the second sieve plate 300 located at the bottom are connected and arranged in an inclined downward direction to form an oblique line.

[0051] In some embodiments, the first sieve plate 200 and the second sieve plate 300 are both arranged horizontally, wherein one first sieve plate 200, another first sieve plate 200 and the second sieve plate 300 are sequentially staggered in an inclined downward direction to form a stepped arrangement.

[0052] In this embodiment, refer to Figure 1 and Figure 2 The number of second sieve plates 300 is four, the second sieve plates 300 are tilted, the four second sieve plates 300 are staggered in sequence along the tilted downward direction to form a stepped arrangement, and the vibration member 400 can vibrate the sieve frame 100 to move the material on the first sieve plate 200 through the first sieve plate 200 and the four second sieve plates 300 in sequence.

[0053] In some embodiments, three second sieve plates 300 are provided, the second sieve plates 300 are inclined, and the three second sieve plates 300 are staggered in sequence along the inclined downward direction to be arranged in a stepped manner. The excitation member 400 can vibrate the screen frame 100, so that the material on the first sieve plate 200 moves through the first sieve plate 200 and the three second sieve plates 300 in sequence.

[0054] In some embodiments, there are five second sieve plates 300, the second sieve plates 300 are inclined, and the five second sieve plates 300 are staggered in sequence along the inclined downward direction to be arranged in a stepped manner. The excitation member 400 can vibrate the screen frame 100, so that the material on the first sieve plate 200 moves through the first sieve plate 200 and the five second sieve plates 300 in sequence.

[0055] In some embodiments, there are four second sieve plates 300, which are arranged horizontally. The four second sieve plates 300 are staggered in sequence in an inclined downward direction to be arranged in a stepped manner. The excitation member 400 can vibrate the screen frame 100, so that the material on the first sieve plate 200 moves through the first sieve plate 200 and the four second sieve plates 300 in sequence.

[0056] In some embodiments, four second sieve plates 300 are provided, the second sieve plates 300 are inclined, and the four second sieve plates 300 are connected and arranged in sequence along the inclined downward direction to be arranged in an oblique line shape. The excitation member 400 can vibrate the screen frame 100, so that the material on the first sieve plate 200 moves through the first sieve plate 200 and the four second sieve plates 300 in sequence.

[0057] In this embodiment, refer to Figure 1 and Figure 2 The bottom sides of the second sieve plates 300 except the bottom one are all provided with rods 320. The arrangement of the rods 320 can facilitate the tumbling and layering of the materials.

[0058] In this embodiment, refer to Figure 1 The screen frame 100 is provided with two oppositely arranged side plates 130 , and the first screen plate 200 , the second screen plate 300 , the fixed beam 110 , the floating beam 123 and the blind plate 700 are all arranged between the two side plates 130 .

[0059] In this embodiment, refer to Figure 1 The screen frame 100 is provided with four buffer seats 140 , wherein two buffer seats 140 are provided on one of the side plates 130 , and the other two buffer seats 140 are provided on the other side plate 130 . The four buffer seats 140 are used to jointly support the screen frame 100 on the ground.

[0060] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A composite vibrating screen, characterized in that: include Screen frame (100); A first sieve plate (200) is disposed on the sieve frame (100), wherein the first sieve plate (200) is provided with first sieve holes (210) for small-particle wet and sticky materials to pass through; a second sieve plate (300) disposed on the sieve frame (100), wherein the first sieve plate (200) and the second sieve plate (300) are sequentially disposed in an inclined downward direction, and the second sieve plate (300) is provided with a second sieve hole (310) having a larger aperture than the first sieve hole (210); The vibration excitation member (400) is arranged on the sieve frame (100), and the vibration excitation member (400) can make the sieve frame (100) vibrate, so as to cause the first sieve plate (200) to deform, and make the material on the first sieve plate (200) move through the first sieve plate (200) and the second sieve plate (300) in sequence.

2. A composite vibrating screen according to claim 1, characterized in that: The screen frame (100) is provided with a fixed beam (110) and a movable assembly (120); one side of the first screen plate (200) is provided on the fixed beam (110), and the other side is provided on the movable assembly (120); the vibrating screen frame (100) can drive the first screen plate (200) to deform through the movable assembly (120).

3. A composite vibrating screen according to claim 2, characterized in that: The fixed beam (110) and the first sieve plate (200) are each provided in pairs, and the two first sieve plates (200) are arranged in sequence along an inclined downward direction, wherein one side portion of one of the first sieve plates (200) is provided on one of the fixed beams (110), and the other side portion is provided on the moving component (120), and one side portion of the other first sieve plate (200) is provided on the other fixed beam (110), and the other side portion is provided on the moving component (120).

4. A composite vibrating screen according to claim 2 or 3, characterized in that: The moving component (120) comprises: A first elastic swing arm (121), one end of which is disposed on the screen frame (100); A second elastic swing arm (122), one end of which is disposed on the screen frame (100); A floating beam (123) has one end connected to the other end of the first elastic swing arm (121), and the other end connected to the other end of the second elastic swing arm (122); the other side of the first sieve plate (200) is arranged on the floating beam (123), wherein: The vibrating screen frame (100) can drive the floating beam (123) to move through the first elastic swing arm (121) and the second elastic swing arm (122), thereby causing the first screen plate (200) to deform.

5. A composite vibrating screen according to claim 1, characterized in that: The first sieve plate (200) and the second sieve plate (300) are both arranged at an inclination.

6. A composite vibrating screen according to claim 5, characterized in that: The first sieve plate (200) and the second sieve plate (300) are staggered in an inclined downward direction to form a stepped arrangement.

7. A composite vibrating screen according to claim 1, characterized in that: The number of the second sieve plates (300) is at least two, and the at least two second sieve plates (300) are arranged in sequence along an inclined downward direction. The vibration excitation member (400) can vibrate the sieve frame (100), so that the material on the first sieve plate (200) moves through the first sieve plate (200) and at least two second sieve plates (300) in sequence.

8. A composite vibrating screen according to claim 7, characterized in that: The second sieve plates (300) are arranged obliquely, and at least two of the second sieve plates (300) are arranged in a staggered manner in a downward oblique direction to form a stepped arrangement.

9. A composite vibrating screen according to claim 8, characterized in that: The bottom sides of the remaining second sieve plates (300) except the one located at the bottom are all provided with rod conditions (320).

10. A composite vibrating screen according to claim 1, characterized in that: The sieve frame (100) is provided with two side plates (130) arranged opposite to each other, and the first sieve plate (200) and the second sieve plate (300) are both arranged between the two side plates (130).

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