Rotary screen
By installing heavy blocks on the vibration mechanism of the slewing screen to balance the inertial force, the problems of large vibration and high noise in the traditional slewing screen are solved, and a more silent user experience is achieved.
Patent Information
- Application Number
- CN202421432728.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-06-21
AI Technical Summary
When used, traditional slewing screens lack counterweight balance, resulting in high vibration and high noise.
The biasing block is installed on the vibration mechanism, and the biasing block is matched by the spindle to balance the inertia force during rotation to reduce vibration and noise.
It achieves the effect of low vibration and low noise, making it more silent when used.
Smart Images
Figure CN223027765U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screening, in particular to a rotary screen. Background Technique
[0002] The rotary grading screen is an improved model, which is divided into two-layer screen, three-layer screen and double-feed for selection. It is used for screening and grading of granular feed or powdery materials in feed mills, and can also be used for preliminary cleaning of feed mill raw materials and grading of intermediate products after secondary crushing in large and medium-sized feed mills. In addition, it can also be widely used for screening and grading of raw materials and finished products in various industries such as grain, food, chemical industry, sugar making, mining, and papermaking.
[0003] When the traditional rotary screen is in use, due to the lack of counterweight balance, it will make a huge noise during screening. The present application designs a rotary screen, which is equipped with a heavy block on the vibration mechanism for counterweight, which can balance the inertial force in the horizontal direction during rotation, with small vibration and low noise. Content of the Utility Model
[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract of the specification and the title of the utility model of this application to avoid obscuring the purpose of this part, the abstract of the specification and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the utility model.
[0005] In view of the above and / or problems existing in the use of the rotary screen, the present utility model is proposed.
[0006] Therefore, the purpose of the present utility model is to provide a rotary screen, which drives the driving pulley to rotate through a driving motor, the driving pulley drives the driven pulley to rotate through a transmission belt, the driven pulley drives the main shaft to rotate, and the main shaft cooperates with the heavy block to balance the inertial force during rotation, with small vibration, low noise, and more silent during use.
[0007] To solve the above technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
[0008] A rotary screen, which includes:
[0009] A driving mechanism, the driving mechanism is used to control the rotation of the main shaft, the driving mechanism includes a driving motor, a driving pulley arranged at the output end of the driving motor, a transmission belt arranged on the outer periphery of the driving pulley, and a driven pulley arranged on the inner ring of the transmission belt, and the shaft part of the driven pulley is fixedly connected to the bottom end of the main shaft;
[0010] A vibration mechanism, the vibration mechanism includes a main shaft and a heavy block arranged on the outer periphery of the main shaft, and a connecting plate is arranged at the top end of the main shaft;
[0011] A sieve box, the side wall of the sieve box is fixedly connected to a connecting plate;
[0012] A support mechanism, the support mechanism includes a support fixedly connected to the side wall at the tail end of the sieve box, a rubber plate and an epoxy resin plate arranged on the side wall of the support, and fastening bolts for fixedly connecting the support, the rubber plate and the epoxy resin plate.
[0013] As a preferred solution of a rotary sieve according to the present utility model, a first bearing is arranged between the connecting plate and the main shaft, and a first oil seal is arranged at the bottom of the first bearing.
[0014] As a preferred solution of a rotary sieve according to the present utility model, a protective box is arranged on the outer periphery of the unbalanced weight, a second bearing is arranged between the top of the protective box and the main shaft, a third bearing is arranged between the bottom of the protective box and the main shaft, and a second oil seal is arranged at the bottom of the third bearing.
[0015] As a preferred solution of a rotary sieve according to the present utility model, elastic balls are arranged inside the sieve box, and brackets are respectively arranged at both ends of the sieve box.
[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows: For this kind of rotary sieve, the driving motor drives the driving pulley to rotate, the driving pulley drives the driven pulley to rotate through the transmission belt, the driven pulley drives the main shaft to rotate, and the main shaft cooperates with the unbalanced weight to balance the inertial force during rotation, with small vibration and low noise, and it is more silent during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the present utility model will be described in detail below in conjunction with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:
[0018] Figure 1 It is a schematic diagram of the overall structure of a rotary sieve of the present utility model;
[0019] Figure 2 It is a schematic diagram of the partial structure of the vibration mechanism of a rotary sieve of the present utility model;
[0020] Figure 3 It is a schematic diagram of the partial structure of the support mechanism of a rotary sieve of the present utility model.
[0021] 100. Driving mechanism; 110. Driving motor; 120. Driving pulley; 130. Transmission belt; 140. Driven pulley; 200. Vibration mechanism; 210. Main shaft; 211. Second bearing; 212. Third bearing; 213. Second oil seal; 214. First oil seal; 215. First bearing; 216. Connecting plate; 201. Protective box; 220. Unbalanced weight; 300. Sieve box; 301. Elastic ball; 310. Bracket; 400. Support mechanism; 410. Support; 420. Rubber plate; 430. Epoxy resin plate; 440. Fastening bolt. Detailed implementation manners
[0022] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific implementation manners of the present utility model with reference to the accompanying drawings.
[0023] Secondly, the present utility model will be described in detail with reference to the schematic diagrams. When detailing the implementation manners of the present utility model, for the convenience of description, the cross-sectional views showing the device structure will not be enlarged locally in general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present utility model here. In addition, in actual production, three-dimensional spatial dimensions including length, width and depth should be included.
[0024] To make the purpose, technical solution and advantages of the present utility model clearer, the following will further describe in detail the implementation manners of the present utility model with reference to the accompanying drawings.
[0025] The present utility model provides a rotary sieve. The driving motor drives the driving pulley to rotate, the driving pulley drives the driven pulley to rotate through the transmission belt, the driven pulley drives the main shaft to rotate, and the main shaft cooperates with the unbalanced weight to balance the inertial force during rotation, with small vibration and low noise, and is more silent during use.
[0026] Figures 1 - 3 Shown is a schematic structural diagram of an embodiment of a rotary sieve of the present utility model. Please refer to Figures 1 - 3 In this embodiment, a rotary sieve, its main part includes a driving mechanism 100, a vibration mechanism 200, a sieve box 300 and a support mechanism 400.
[0027] The driving mechanism 100 drives the driving pulley 120 to rotate through the driving motor 110. The driving pulley 120 drives the driven pulley 140 to rotate through the transmission belt 130. The driven pulley 140 drives the main shaft 210 to rotate. Specifically, the driving mechanism 100 is used to control the rotation of the main shaft 210. In this embodiment, the driving mechanism 100 includes a driving motor 110, a driving pulley 120 disposed at the output end of the driving motor 110, a transmission belt 130 disposed on the outer periphery of the driving pulley 120, and a driven pulley 140 disposed on the inner ring of the transmission belt 130. The shaft portion of the driven pulley 140 is fixedly connected to the bottom end of the main shaft 210. A first bearing 215 is disposed between the connecting plate 216 and the main shaft 210. A first oil seal 214 is disposed at the bottom of the first bearing 215;
[0028] The vibration mechanism 200 cooperates with the unbalanced weight 220 through the main shaft 210 to balance the inertial force during rotation, with small vibration and low noise, and is more silent during use. Specifically, the vibration mechanism 200 includes a main shaft 210 and an unbalanced weight 220 disposed on the outer periphery of the main shaft 210. A connecting plate 216 is disposed at the top end of the main shaft 210. In this embodiment, a protective box 201 is disposed on the outer periphery of the unbalanced weight 220. A second bearing 211 is disposed between the top of the protective box 201 and the main shaft 210. A third bearing 212 is disposed between the bottom of the protective box 201 and the main shaft 210. A second oil seal 213 is disposed at the bottom of the third bearing 212;
[0029] The sieve box 300 can impact the inside of the sieve box 300 through the internal elastic balls 301, effectively preventing the material from blocking the sieve holes. Specifically, the side wall of the sieve box 300 is fixedly connected to the connecting plate 216. In this embodiment, elastic balls 301 are disposed inside the sieve box 300. Brackets 310 are respectively disposed at both ends of the sieve box 300;
[0030] The support mechanism 400 supports and installs the sieve box 300 through the support 410. Specifically, the support mechanism 400 includes a support 410 fixedly connected to the side wall of the tail end of the sieve box 300, a rubber plate 420 disposed on the side wall of the support 410, an epoxy resin plate 430, and fastening bolts 440 for fixedly connecting the support 410, the rubber plate 420, and the epoxy resin plate 430.
[0031] Combined Figures 1 - 3, A rotary sieve according to this embodiment is used as follows. The driving motor 110 drives the driving pulley 120 to rotate. The driving pulley 120 drives the driven pulley 140 to rotate through the transmission belt 130. The driven pulley 140 drives the main shaft 210 to rotate. By cooperating with the unbalanced weight 220 on the main shaft 210, the inertial force is balanced during rotation, with small vibration and low noise, making it quieter during use. Through the internal elastic balls 301, the inside of the sieve box 300 can be impacted, effectively preventing material from clogging the sieve holes.
[0032] Although the present invention has been described with reference to the embodiments above, various improvements can be made to it and components therein can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in the present invention can be combined with each other in any way. The exhaustive description of these combinations is not given in this specification only for the sake of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A rotary screen, characterized in that: include: A driving mechanism (100), the driving mechanism (100) is used to control the rotation of the main shaft (210), the driving mechanism (100) comprises a driving motor (110), a driving pulley (120) arranged at the output end of the driving motor (110), a transmission belt (130) arranged at the outer periphery of the driving pulley (120), and a driven pulley (140) arranged at the inner ring of the transmission belt (130), wherein the shaft of the driven pulley (140) is fixedly connected to the bottom end of the main shaft (210); A vibration mechanism (200), the vibration mechanism (200) comprising a main shaft (210) and a weight block (220) arranged on the outer periphery of the main shaft (210), and a connecting plate (216) is arranged at the top end of the main shaft (210); A screen box (300), wherein a side wall of the screen box (300) is fixedly connected to a connecting plate (216); A support mechanism (400) comprises a support (410) fixedly connected to the side wall of the rear end of the screen box (300), a rubber plate (420) arranged on the side wall of the support (410), an epoxy resin plate (430), and fastening bolts (440) that fix the support (410), the rubber plate (420) and the epoxy resin plate (430).
2. A rotary screen according to claim 1, characterized in that: A first bearing (215) is arranged between the connecting plate (216) and the main shaft (210), and a first oil seal (214) is arranged at the bottom of the first bearing (215).
3. A rotary screen according to claim 2, characterized in that: A protective box (201) is arranged on the outer periphery of the eccentric weight block (220), a second bearing (211) is arranged between the top of the protective box (201) and the main shaft (210), a third bearing (212) is arranged between the bottom of the protective box (201) and the main shaft (210), and a second oil seal (213) is arranged at the bottom of the third bearing (212).
4. A rotary screen according to claim 3, characterized in that: An elastic ball (301) is arranged inside the screen box (300), and brackets (310) are respectively arranged at both ends of the screen box (300).