Vibrating screen for filtering strain matrix

Abstract

The utility model belongs to the technical field of filter sieves, and particularly relates to a vibrating screen for filtering strain matrixes, which comprises a bottom cylinder, a base plate arranged above the bottom cylinder, a bottom frame arranged at the top of the base plate, a plurality of groups of mounting rings arranged above the bottom frame, ring frames arranged among the plurality of groups of mounting rings, and a top frame arranged at the top of the uppermost mounting ring. A vibration motor is arranged at the bottom of the chassis, filter screen discs are arranged on the inner sides of the mounting rings respectively, a plurality of positioning columns are arranged on the edge of the bottom of the chassis and the edge of the top of the bottom cylinder, springs sleeve the surfaces of the positioning columns, and the two ends of the springs are fixedly connected with the corresponding chassis and the bottom cylinder respectively; the vibrating screen is simple in overall structure and convenient to use, assemble and install, and the number of screening layers can be increased or decreased according to needs.

Description

Technical Field

[0001] This utility model belongs to the field of filter screen technology, specifically relating to a vibrating screen for filtering microbial substrates. Background Technology

[0002] The substrate of a microbial strain largely determines its quality; therefore, substrate screening is essential. A common method is to use a sieve frame to sift the substrate, allowing smaller pieces to fall through the sieve holes and achieve filtration.

[0003] For example, Chinese patent publication number CN204261928U discloses a vibrating screen for filtering microbial substrates, which improves feeding efficiency by setting a centrifugal dispersion device in the screen box; however, most current vibrating screens have a fixed number of screening layers and cannot filter different types of substrates; at the same time, current vibrating screens are cumbersome and inconvenient to disassemble and install, resulting in poor practicality. Utility Model Content

[0004] The main technical problem to be solved by this utility model is to provide a vibrating screen for filtering microbial substrates that has a simple overall structure, is easy to use, is easy to assemble and install, and can adjust the number of sieve layers as needed.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A vibrating screen for filtering microbial substrate includes a bottom cylinder, a base plate above the bottom cylinder, a bottom frame on the top of the base plate, multiple sets of mounting rings above the bottom frame, ring frames between the multiple sets of mounting rings, a top frame on the topmost mounting ring, a vibrating motor at the bottom of the base plate, filter screens on the inner sides of the mounting rings, multiple positioning posts at the bottom edge of the base plate and the top edge of the bottom cylinder, springs sleeved on the surface of the positioning posts, and the two ends of the springs fixedly connected to the corresponding base plate and bottom cylinder.

[0007] The following are further optimizations of the above technical solution by this utility model:

[0008] A material feeding channel is provided on one side of the surface of the ring frame, and the material feeding channel is connected to the inner cavity of the ring frame. A material feeding port is provided at the bottom of the material feeding channel.

[0009] Further optimization: Multiple sets of limiting grooves are provided on the surface of the ring frame and the surface of the bottom frame, and multiple sets of limiting blocks are provided on the surface of the mounting ring. A positioning block is provided at one end of the limiting block, and the positioning block extends into the limiting groove.

[0010] Further optimization: The overall shape of the limiting groove is L-shaped, and the positioning block and the limiting groove are mutually compatible.

[0011] Further optimization: Multiple sets of limiting holes are opened at the edges of the ring frame, the mounting ring, and the top of the top frame. Multiple sets of threaded rods are threadedly connected at the top edge of the bottom frame. One end of the threaded rod passes through the limiting hole in sequence and is locked by the internal threaded sleeve block.

[0012] Further optimization: The internal threaded sleeve is located above the top frame and is used to adjust the clamping force.

[0013] Further optimization: The top of the top frame is provided with multiple sets of inlets, and the inlets penetrate through the top frame.

[0014] Further optimization: The mesh diameter of the filter disc decreases from top to bottom.

[0015] This invention allows the vibrating screen to be flexibly adjusted in terms of the number and combination of screening layers when facing microbial substrates with different particle sizes and characteristics, thereby meeting diverse filtration needs and improving screening accuracy and applicability. By unscrewing the internal threaded sleeve block to remove it from the threaded rod and unfixing the top frame, the threaded rod can then be unscrewed from the limiting holes on the ring frame and mounting ring, and the top frame can be removed. This makes it easy to add or remove ring frames and mounting rings.

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0019] Figure 2 This is a perspective view of the overall structure in an embodiment of the present utility model;

[0020] Figure 3 This is a perspective view of the overall structure in an embodiment of this utility model from another angle;

[0021] Figure 4 This is a cross-sectional view of the overall structure in an embodiment of this utility model;

[0022] Figure 5 for Figure 4 A magnified view of a portion of point A in the middle.

[0023] In the diagram: 1-Bottom cylinder; 2-Base plate; 3-Bottom frame; 4-Mounting ring; 5-Ring frame; 6-Top frame; 7-Vibration motor; 8-Filter screen; 9-Positioning column; 10-Spring; 11-Discharge channel; 12-Discharge port; 13-Limiting groove; 14-Limiting block; 15-Positioning block; 16-Limiting hole; 17-Threaded rod; 18-Internal threaded sleeve; 19-Inlet. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figure 1-5 As shown, a vibrating screen for filtering microbial substrate includes a bottom cylinder 1, a base plate 2 above the bottom cylinder 1, a bottom frame 3 on the top of the base plate 2, multiple sets of mounting rings 4 above the bottom frame 3, ring frames 5 between the multiple sets of mounting rings 4, a top frame 6 on the top of the uppermost mounting ring 4, a vibrating motor 7 at the bottom of the base plate 2, a filter screen 8 on the inner side of each mounting ring 4, multiple positioning posts 9 at the bottom edge of the base plate 2 and the top edge of the bottom cylinder 1, and springs 10 sleeved on the surface of each positioning post 9. The two ends of each spring 10 are fixedly connected to the corresponding base plate 2 and bottom cylinder 1.

[0026] This design allows for the addition or reduction of the number of filter screens 8 as needed through the combination of multiple sets of mounting rings 4 and ring frames 5, achieving different screening structures with different numbers of layers. This enables flexible adjustment of the number and combination of screening layers when facing microbial substrates with different particle sizes and characteristics, meeting diverse filtration needs and improving screening accuracy and applicability.

[0027] Secondly, driven by the vibration motor 7, each layer of filter screen 8 vibrates, which helps the microbial substrate to be evenly dispersed on the screen surface, avoids substrate accumulation, and ensures that the substrate fully contacts the screen, thereby improving filtration efficiency and quality and ensuring the consistency of screening effect.

[0028] The vibrating motor 7 is existing technology and is fixed to the bottom of the chassis 2 by flange mounting. Its excitation force is transmitted to the mounting ring 4 and the filter screen 8 through the chassis 2, so that the microbial substrate is stratified and screened under vibration. The specific model and parameters of the vibrating motor can be conventionally selected by those skilled in the art according to the screening load and material characteristics, and the selection and installation of the vibrating motor 7 comply with the "JB / T5330-2007 Technical Conditions for Vibrating Motors".

[0029] In this embodiment, the spring 10 is a cylindrical helical compression spring made of 60Si2MnA, with a mean diameter of 80mm, a wire diameter of 10mm, and a free height of 200mm. Ten sets are symmetrically arranged along the circumference of the chassis. The stiffness of the spring 10 is calculated to match the excitation frequency of the vibration motor 7 to avoid resonance and ensure stable vibration of the screen body.

[0030] In this embodiment, the bottom frame 3 is fixedly installed on the top of the chassis 2.

[0031] A feeding channel 11 is provided on one side of the surface of the ring frame 5, and the feeding channel 11 is connected to the inner cavity of the ring frame 5. A feeding port 12 is provided at the bottom of the feeding channel 11 to facilitate the discharge of the screened material.

[0032] Multiple sets of limiting grooves 13 are provided on the surface of the ring frame 5 and the surface of the bottom frame 3. Multiple sets of limiting blocks 14 are provided on the surface of the mounting ring 4. A positioning block 15 is provided at one end of the surface of the limiting block 14, and the positioning block 15 extends to the inside of the limiting groove 13.

[0033] The limiting groove 13 is L-shaped, and the positioning block 15 can slide vertically along the limiting groove 13 and then be inserted vertically.

[0034] In this embodiment, the overall structure formed by the limiting block 14 and the positioning block 15 is also L-shaped.

[0035] In this embodiment, the number of limiting grooves 13 is three sets, and the three sets of limiting grooves 13 are arranged in a ring and at equal intervals along the surface of the ring frame 5 or the bottom frame 3.

[0036] The number of the limiting blocks 14 is also three sets, and the three sets of limiting blocks 14 are arranged in correspondence with the corresponding limiting grooves 13.

[0037] The three sets of limiting blocks 14 are arranged in a ring shape with equal spacing along the surface of the mounting ring 4.

[0038] Three sets of limiting holes 16 are provided at the top edges of the ring frame 5, the mounting ring 4, and the top frame 6. Three sets of threaded rods 17 are threadedly connected at the top edge of the bottom frame 3. One end of the threaded rod 17 passes through the limiting hole 16 in sequence and is locked by the internal threaded sleeve 18.

[0039] The internal threaded sleeve 18 is located above the top frame 6 and is used to adjust the clamping force.

[0040] This design allows the top frame 6 to be removed by unscrewing the internal threaded sleeve 18 from the threaded rod 17, and then the threaded rod 17 to be removed from the limiting hole 16 on the ring frame 5 and the mounting ring 4. Subsequently, the top frame 6 can be removed, making it convenient to add or remove ring frames 5 and mounting rings 4. This allows the device to adjust the number of screening layers according to the needs of multi-stage filtration, thereby improving the applicability of the device, facilitating user operation, and further enhancing the practicality of the device.

[0041] The top of the top frame 6 is provided with two sets of inlets 19, and the inlets 19 penetrate through the top frame 6 to facilitate the addition of raw materials.

[0042] The mesh diameter of the filter disc 8 decreases from top to bottom, achieving graded filtration and improving filtration efficiency.

[0043] In use, the internal threaded sleeve 18 is removed from the threaded rod 17 and the top frame 6 is unfixed by screwing it. Then, the threaded rod 17 is screwed out from the limiting hole 16 on the ring frame 5 and the mounting ring 4. The top frame 6 is then removed. The number of ring frames 5 and mounting rings 4 can be added or reduced according to the needs of multi-stage filtration. By rotating the mounting ring 4, the positioning block 15 on the limiting block 14 can slide inside the limiting groove 13. Then, the mounting ring 4 can be quickly unfixed from the limiting groove 13.

[0044] Once the requirement for multi-stage filtration is determined, the threaded rod 17 is reinserted into the limiting hole 16 on the mounting ring 4 and the ring frame 5, and one end of the threaded rod 17 is threaded onto the bottom frame 3. Then, the top frame 6 is reset, and the internal threaded sleeve 18 is screwed onto the surface of the threaded rod 17 above the top frame 6 for fixation.

[0045] Then, the raw material is poured in through the feed inlet 19 and the vibration motor 7 is turned on for vibrating screening. The raw material can be filtered and screened through the filter screen 8. Then, the screened raw material is transported through the discharge channel 11 on the ring frame 5 and discharged through the discharge port 12.

[0046] In this embodiment, all parts adopt mature and reliable existing technical solutions. Their working principles, assembly relationships, and installation methods conform to industry-standard practices, and those skilled in the art can directly implement them based on conventional technical knowledge. The fit tolerances, connection methods, and process requirements between each component all follow relevant technical specifications, ensuring the feasibility and operability of the solution.

[0047] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0048] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the specific implementation of the utility model. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A vibrating screen for filtering microbial substrates, characterized in that: The device includes a bottom cylinder (1), a chassis (2) on top of the bottom cylinder (1), a bottom frame (3) on top of the chassis (2), multiple sets of mounting rings (4) on top of the bottom frame (3), ring frames (5) between the multiple sets of mounting rings (4), a top frame (6) on top of the topmost mounting ring (4), a vibration motor (7) on the bottom of the chassis (2), a filter screen (8) on the inner side of each mounting ring (4), multiple positioning posts (9) on the bottom edge of the chassis (2) and the top edge of the bottom cylinder (1), and springs (10) on the surface of each positioning post (9). The two ends of each spring (10) are fixedly connected to the corresponding chassis (2) and bottom cylinder (1).

2. The vibrating screen for filtering microbial substrate according to claim 1, characterized in that: A feeding channel (11) is provided on one side of the surface of the ring frame (5), and the feeding channel (11) and the inner cavity of the ring frame (5) are connected to each other. A feeding port (12) is provided at the bottom of the feeding channel (11).

3. The vibrating screen for filtering microbial substrate according to claim 1, characterized in that: Multiple sets of limiting grooves (13) are provided on the surface of the ring frame (5) and the surface of the bottom frame (3). Multiple sets of limiting blocks (14) are provided on the surface of the mounting ring (4). A positioning block (15) is provided at one end of the surface of the limiting block (14), and the positioning block (15) extends to the inside of the limiting groove (13).

4. The vibrating screen for filtering microbial substrate according to claim 3, characterized in that: The overall shape of the limiting groove (13) is L-shaped, and the positioning block (15) slides vertically along the limiting groove (13) and then gets stuck vertically.

5. The vibrating screen for filtering microbial substrate according to claim 4, characterized in that: Three sets of limiting holes (16) are provided at the top edges of the ring frame (5), the mounting ring (4), and the top frame (6). Three sets of threaded rods (17) are threadedly connected at the top edge of the bottom frame (3). One end of the threaded rod (17) passes through the limiting hole (16) in sequence and is locked by the internal threaded sleeve (18).

6. The vibrating screen for filtering microbial substrate according to claim 5, characterized in that: The internal threaded sleeve (18) is located above the top frame (6) and is used to adjust the clamping force.

7. The vibrating screen for filtering microbial substrate according to claim 6, characterized in that: The top of the top frame (6) is provided with two sets of feed inlets (19), and the feed inlets (19) penetrate the top frame (6).

8. The vibrating screen for filtering microbial substrate according to claim 1, characterized in that: The mesh diameter of the filter screen (8) decreases from top to bottom.

Images