A down standard sieve
The design of the support plate and limiting plate solves the problems of high stacking difficulty and poor stability of standard screens, realizing convenient loading and unloading and efficient screening, thus improving the usage effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 台前县公共检验检测中心
- Filing Date
- 2025-07-03
- Publication Date
- 2026-06-12
AI Technical Summary
Existing standard sieves involve a large workload and low efficiency during handling, are difficult to stack and have poor stability, which can easily affect the use of sieves not involved in the process. Furthermore, positioning is difficult when multiple sieves are stacked, leading to unstable use.
The structure adopts a bearing plate and a limiting plate. The standard sieves are stably stacked and easily picked up and put away by connecting the adjusting groove, adjusting shaft and connecting head to the threaded hole of the limiting plate. The vibration motor is used to generate vibration to separate down particles.
This reduces the difficulty of stacking standard sieves, improves stacking stability, minimizes the impact of handling, and ensures the stability and efficiency of the screening process.
Smart Images

Figure CN224346360U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sieve technology, specifically to a down standard sieve. Background Technology
[0002] Feather cleanliness cannot generally be measured directly. The current method is to use water as a carrier and transfer the tiny dust particles contained in the down into the water through vibration. These dust particles are suspended in the water, and then the transparency of the water is measured by an instrument. The dust content is then estimated by the transparency, which is a relative measurement of the degree of feather cleanliness. In this process, a standard sieve is needed for auxiliary operation. The standard sieve is a key instrument in particle size analysis, which can analyze the particle size distribution (i.e., percentage content) of different particle sizes in particulate samples.
[0003] The existing publicly available technology, application number CN201921806483.9, describes a standard sieve. During operation, multiple sieve discs are stacked sequentially on top of a vibrating plate. A vibrating motor drives the vibrating plate, causing the multiple sieve discs to vibrate synchronously, which can screen materials with different particle sizes. When any sieve disc needs to be removed for testing, the drive assembly moves any movable plate until the movable plate is positioned above the sieve disc to be tested. Then, the drive cylinder pushes the clamping block towards one side of the sieve disc until the two clamping blocks clamp the sieve disc. After the sieve disc is clamped, the drive assembly drives the clamping assembly and the clamped sieve disc to move upward synchronously, thereby separating the sieve disc to be tested from the sieve disc above it. After the sieve discs are separated, the operator can remove the sieve disc to be tested.
[0004] However, the aforementioned patent still has certain drawbacks in its use: when removing the screen to be tested, the operator needs to first control the drive component to raise the screen above the screen to be tested before removing it, which results in a large workload and low work efficiency for the operator. Moreover, when removing the target standard screen, many unrelated standard screens are involved, which can easily affect the stability of the unrelated standard screens. Moving the standard screen above increases the probability of it tipping over, which is not conducive to stable use. Furthermore, when stacking multiple standard screens, it is necessary to visually inspect and align the positioning pins with the positioning holes, which not only increases the labor intensity of the personnel but also makes stacking more difficult and is not conducive to quick assembly and use. Overall, the use effect is not ideal.
[0005] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content
[0006] (a) Technical problems to be solved
[0007] To address the shortcomings of existing technologies, this utility model provides a down standard sieve, which has the advantages of low stacking difficulty, strong stacking stability, and minimal impact on handling, thereby solving the problems mentioned in the background technology.
[0008] (II) Technical Solution
[0009] To achieve the advantages of low stacking difficulty, high stacking stability, and minimal impact from handling, the specific technical solution adopted by this utility model is as follows:
[0010] A down standard sieve includes a base and a support plate. A vibrating plate is installed at the top of the base. A fixing rod and a limiting plate are welded to both sides of the top of the vibrating plate. Several sets of adjustment grooves are evenly formed on the surface of the fixing rod. An adjustment shaft is rotatably connected to the inside of the adjustment groove. One end of the adjustment shaft passes through one side of the adjustment groove and is welded to the support plate. A connector is welded to the other end of the support plate. A positioning groove is formed on one side of the connector on the surface of the limiting plate. A receiving groove is formed inside the support plate, and the standard sieve body is placed inside the receiving groove.
[0011] Furthermore, threaded holes are provided at the middle position of the connector and inside the positioning groove.
[0012] Furthermore, the connector is connected to the limiting plate by fastening bolts.
[0013] Furthermore, a vibration motor is installed at the middle of the top of the base, with one end of the vibration motor penetrating through one side of the base and connected to the vibration plate.
[0014] Furthermore, several sets of springs are installed around the bottom surface of the vibratory plate and the top surface of the base.
[0015] Furthermore, a base is fixedly installed at the bottom of the base.
[0016] Furthermore, the depth of the receiving tank is greater than the height of the standard sieve body.
[0017] Furthermore, the carrier disks abut against each other in pairs.
[0018] (III) Beneficial Effects
[0019] Compared with the prior art, the present invention provides a down standard sieve, which has the following beneficial effects:
[0020] (1) This utility model adopts a carrier plate and a limiting plate. When using the standard sieve, the standard sieve can be placed in the receiving groove of the carrier plate first. Then, the carrier plate can be rotated to realize the stacking operation of multiple standard sieves. After the rotation is completed, the carrier plate can be fixed to the limiting plate through the connector on the surface, thereby avoiding separation during operation and ensuring the stability of use. At the same time, there is no direct snap-fit operation between multiple carrier plates. Therefore, when it is necessary to pick up and put down standard sieves in different positions, it is only necessary to rotate the corresponding carrier plate. It will not affect other unused standard sieves, effectively reducing the impact of picking up and putting down, ensuring the use effect. Moreover, the fixed position of the carrier plate can reduce the difficulty of stacking standard sieves. It has the advantages of low stacking difficulty, strong stacking stability, and small impact of picking up and putting down. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments 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.
[0022] Figure 1 This is a schematic diagram of the structure of a down standard sieve proposed in this utility model;
[0023] Figure 2 This is a schematic diagram of the bearing plate structure of this utility model;
[0024] Figure 3 This is a schematic diagram of the structure of the standard sieve body of this utility model;
[0025] Figure 4 This is a schematic diagram showing the distribution of the vibratory plate and spring of this utility model.
[0026] In the picture:
[0027] 1. Base; 2. Vibration motor; 3. Spring; 4. Vibrating plate; 5. Fixing rod; 6. Adjustment groove; 7. Adjustment shaft; 8. Bearing plate; 9. Standard screen body; 10. Receiving groove; 11. Fastening bolt; 12. Connector; 13. Positioning groove; 14. Limiting plate; 15. Base; 16. Threaded hole. Detailed Implementation
[0028] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.
[0029] According to an embodiment of the present invention, a down standard sieve is provided.
[0030] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4 As shown, a down standard sieve according to an embodiment of the present invention includes a base 1 and a support plate 8. A vibrating plate 4 is installed at the top of the base 1. A fixing rod 5 and a limiting plate 14 are welded to the two sides of the top of the vibrating plate 4, respectively. Several sets of adjustment grooves 6 are evenly opened on the surface of the fixing rod 5. An adjustment shaft 7 is rotatably connected to the inside of the adjustment groove 6. One end of the adjustment shaft 7 passes through the adjustment groove 6 and is welded to the support plate 8. A connector 12 is welded to the other end of the support plate 8. A positioning groove 13 is opened on one side of the connector 12 at the surface of the limiting plate 14. A receiving groove 10 is opened inside the support plate 8. The standard sieve body 9 is placed inside the receiving groove 10.
[0031] In one embodiment, threaded holes 16 are provided at the middle position of the connector 12 and inside the positioning groove 13. The threaded holes 16 are provided to facilitate the use of fastening bolts 11 for fixing.
[0032] In one embodiment, the connector 12 is connected to the limiting plate 14 by a fastening bolt 11. The fastening bolt 11 is provided to fix the bearing plate 8 when it is in use, so as to ensure the stability of use.
[0033] In one embodiment, a vibration motor 2 is installed at the middle of the top of the base 1. One end of the vibration motor 2 passes through one side of the base 1 and is connected to the vibration plate 4. The vibration motor 2 is a common structure and will not be described in detail here. It is mainly used to generate vibration to achieve vibration separation of down, so that the separated material can be collected and then tested.
[0034] In one embodiment, a plurality of springs 3 are mounted around the bottom surface of the vibratory plate 4 and the top surface of the base 1.
[0035] In one embodiment, a base 15 is fixedly installed at the bottom of the base 1. The base 15 can fix the entire device, thereby enhancing the overall stability of use.
[0036] In one embodiment, the depth of the receiving trough 10 is greater than the height of the standard sieve body 9. The depth of the receiving trough 10 is set to ensure that the material generated by the down inside the standard sieve body 9 when it vibrates can fall into the receiving trough 10, thereby facilitating subsequent collection and convenient testing.
[0037] In one embodiment, the carrier plates 8 are in contact with each other in pairs. The arrangement of the carrier plates 8 in contact with each other is to ensure that they can contact each other when stacked, so that the vibration force generated by the vibration motor 2 can be transmitted to each other, thereby ensuring the vibration effect on the standard screen body 9.
[0038] Working Principle: In actual use, personnel can place the down feathers to be tested into the corresponding standard sieve body 9, then place the standard sieve body 9 into the receiving groove 10, and then push the carrier plate 8, causing it to rotate via the surface adjustment shaft 7. This allows the connector 12 on the other side to be inserted into the positioning groove 13 on the surface of the limiting plate 14. Personnel can then fix the carrier plate 8 by tightening the bolts 11 and threaded holes 16, preventing it from detaching during subsequent vibrations and ensuring stability. Since each standard sieve body 9 is placed in a designated carrier plate 8, subsequent testing of standard sieves in different positions is possible. When taking them out, only the corresponding carrier plate 8 needs to be rotated, which will not affect other standard sieves. This effectively avoids interference during taking and placing, ensuring the performance of the standard sieves. At the same time, the standard sieves are first limited by the carrier plate 8 during use, and the carrier plate 8 is fixed to the limiting plate 14 by the fastening bolts 11. Therefore, it can effectively reduce the difficulty of stacking standard sieves and improve the stability after stacking, making it easier to use. After everything is loaded, the vibration motor 2 can be used to perform vibration operation, thereby removing the particles from the down, which is convenient for subsequent testing operations. The device as a whole has the advantages of low stacking difficulty, strong stacking stability, and minimal impact during taking and placing.
[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A down standard sieve, comprising a base (1) and a support plate (8), characterized in that, A vibrating plate (4) is installed at the top of the base (1). A fixing rod (5) and a limiting plate (14) are welded to the top two sides of the vibrating plate (4). Several sets of adjustment grooves (6) are evenly opened on the surface of the fixing rod (5). An adjustment shaft (7) is rotatably connected inside the adjustment groove (6). One end of the adjustment shaft (7) passes through the adjustment groove (6) and is welded to the bearing plate (8). A connector (12) is welded to the other end of the bearing plate (8). A positioning groove (13) is opened on one side of the connector (12) on the surface of the limiting plate (14). A receiving groove (10) is opened inside the bearing plate (8). A standard sieve body (9) is placed inside the receiving groove (10).
2. The down standard sieve according to claim 1, characterized in that, Threaded holes (16) are provided at the middle position of the connector (12) and inside the positioning groove (13).
3. The down standard sieve according to claim 1, characterized in that, The connector (12) is connected to the limiting plate (14) by fastening bolts (11).
4. The down standard sieve according to claim 1, characterized in that, A vibration motor (2) is installed at the middle of the top of the base (1). One end of the vibration motor (2) passes through one side of the base (1) and is connected to the vibration plate (4).
5. A down standard sieve according to claim 1, characterized in that, Several sets of springs (3) are installed around the bottom surface of the vibratory plate (4) and the top surface of the base (1).
6. A down standard sieve according to claim 1, characterized in that, A base (15) is fixedly installed at the bottom of the base (1).
7. A down standard sieve according to claim 1, characterized in that, The depth of the receiving tank (10) is greater than the height of the standard sieve body (9).
8. A down standard sieve according to claim 1, characterized in that, The carrier plates (8) abut against each other in pairs.