Screening device for feed production
By designing a feed screening device with multi-layer screening and vibration mechanism, the problems of low screening accuracy and efficiency in the prior art are solved, efficient feed grading and automatic collection are realized, and equipment wear and energy consumption are reduced. Improved production efficiency.
Patent Information
- Application Number
- CN202420145983.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-01-22
AI Technical Summary
The existing feed screening devices have low screening accuracy and efficiency, and large equipment wear and energy consumption, resulting in increased production costs.
A screening device including a box, feed hopper, screen rod, drive member, cam and multi-layer screen is designed. The screening is achieved through cam driving the screen rod up and down vibration, and the inclined setting and guide plate are used to ensure that Automatic collection and precise grading of feed, and reduce wear and vibration with removable cam seats and reinforcement ribs.
It improves screening accuracy and efficiency, reduces equipment wear and energy consumption, ensures efficient grading and automatic collection of feed, and extends the service life of the equipment.
Smart Images

Figure CN222197826U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of feed production devices, in particular to a screening device used for feed production. Background Art
[0002] In the field of feed production technology, feed screening device is a device used to screen feed particles. By selecting suitable screen surface and screen hole diameter, the material is allowed to move on the screen surface. By using multiple layers of screen surface, the diameter of the screen hole on the upper screen surface is larger than the particle size of the material particles, and the diameter of the hole on the lower screen surface is smaller than the particle size of the material, thereby realizing the classification of materials according to particle size, including raw material impurity cleaning, powder impurity cleaning before granulation, and grading of granulation products.
[0003] During the processing, the screening effect has a significant impact on the quality and output of feed products. At present, due to the physical properties of feed particles and the structure of the screening equipment, the screening accuracy of feed screening is unstable, and sometimes incomplete screening or over-screening occurs; the structure and working principle of the screening equipment and other factors make the screening equipment energy consumption high, and the parts are prone to wear, which increases the production cost. Therefore, a screening device for feed production is needed to optimize the screening accuracy, production efficiency, equipment wear and energy consumption. Utility Model Content
[0004] The purpose of the invention of the utility model is to provide a screening device for feed production in view of the problems of low screening accuracy and efficiency, large equipment wear and energy consumption in the prior art feed screening devices, which solves the screening accuracy and improves the efficiency through continuous and simple working structure design and reasonable arrangement of screens, and only sets a single driving part to reduce the problems of equipment wear and energy consumption.
[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a screening device for feed production, comprising a box body, a feed hopper is provided at the top of the box body, a screen rod is provided in the box body, the top of the screen rod is connected to a driving member, the driving member is connected to a cam and drives it to rotate, the cam is used to drive the screen rod to move reciprocally up and down, the screen rod is provided with a first screen, a second screen, a third screen and a slag basin from top to bottom, the discharge ends of the first screen, the second screen, the third screen and the slag basin are all provided with a baffle plate and a receiving box, the bottom end of the screen rod is provided with a support plate, and a plurality of springs are provided between the support plate and the box body.
[0006] When screening the feed after production, start the machine and put the feed to be screened from the feed hopper. The driving part will drive the cam to rotate, and the top of the cam will press against the screen rod. With the assistance of the spring, the first screen, the second screen, the third screen and the slag basin on the screen rod can move up and down to achieve a vibration effect, thereby achieving the purpose of screening feed of different sizes. When the receiving box at the discharge end of each level of the screen is full of feed, the corresponding baffle plate can be pulled down to stop the discharge, and the device can continue the screening work. After replacing the empty receiving box, the baffle plate can be opened to improve the efficiency of screening feed.
[0007] As a preferred solution of the utility model, the first screen, the second screen, the third screen and the slag basin are arranged at an angle, the discharge end of the feed hopper corresponds to the upper end of the first screen, the lower end of the first screen corresponds to the upper end of the second screen, the lower end of the second screen corresponds to the upper end of the third screen, and the lower end of the third screen corresponds to the upper end of the slag basin. The inclined arrangement enables the feed on the screen to automatically move from the upper end to the lower end of the screen and fall into the receiving box under the action of vibration, thereby realizing automatic collection of the feed, and smaller feed can be screened and dropped into the next level of screen on the moving path of the feed.
[0008] As a preferred solution of the utility model, the upper ends of the first screen, the second screen and the third screen are all provided with guide plates for sending the feed particles screened from the upper end of the screen to the middle of the next screen. The guide plates allow the feed to be screened from the middle of the screen at the worst, thus ensuring the accuracy and effect of feed screening.
[0009] As a preferred solution of the utility model, a cam seat is provided between the cam and the screen rod for transmitting the force, and the cam seat is detachably connected to the screen rod. When the cam seat is seriously worn, the cam seat can be replaced to ensure the vibration effect and the accuracy and effect of screening.
[0010] As a preferred solution of the utility model, the baffle plate is adapted to be provided with a limiting slide groove, which is convenient for personnel to operate to close or open the baffle plate.
[0011] As a preferred solution of the utility model, the bottom of the receiving box is provided with moving wheels, and when the receiving box is full of feed, personnel can quickly move out the receiving box and reload it back into the receiving box through the moving wheels.
[0012] As a preferred solution of the utility model, reinforcing ribs are provided between the screen rods and the support plates to ensure the strength of the screen rods and the support plates under vibration.
[0013] As a preferred solution of the utility model, the bottom end of the box body is provided with supporting feet, and the bottom ends of the supporting feet are provided with soft pads to reduce the vibration amplitude and noise when the screening device is running.
[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0015] 1. When screening the feed after producing it, start the machine and put the feed to be screened into the feed hopper. The driving part will drive the cam to rotate, and the top of the cam will press against the screen rod. With the help of the spring, the first screen, the second screen, the third screen and the slag basin on the screen rod can move up and down to achieve a vibration effect, so as to achieve the purpose of screening feeds of different sizes. When the receiving box at the discharge end of each level of the screen is full of feed, the corresponding baffle plate can be pulled down to stop the discharge, and the device can continue the screening work. After replacing the empty receiving box, the baffle plate can be opened to improve the efficiency of screening feed.
[0016] 2. The inclined setting of the first screen, the second screen, the third screen and the slag basin enables the feed on the screen to automatically move from the upper end to the lower end of the screen and fall into the receiving box under the action of vibration, thereby realizing automatic collection of the feed, and smaller feed can be screened and dropped into the next level screen on the moving path of the feed.
[0017] 3. The guide plate allows the feed to be screened from the middle of the screen at worst, ensuring the accuracy and effect of feed screening.
[0018] 4. When the cam seat is severely worn, the cam seat can be replaced to ensure the vibration effect and screening accuracy and effect.
[0019] 5. The baffle plate is equipped with a limit slide to facilitate personnel to close or open the baffle plate.
[0020] 6. There are moving wheels at the bottom of the receiving box. When the box is full of feed, personnel can quickly move the box out and put it back in through the moving wheels.
[0021] 7. Reinforcement ribs are provided between the screen rods and the support plates to ensure the strength of the screen rods and the support plates under vibration.
[0022] 8. Support feet are provided at the bottom of the box, and soft pads are provided at the bottom of the support feet to reduce the vibration amplitude and noise during the operation of the screening device. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a structural schematic diagram of the utility model;
[0024] Figure 2 This is an enlarged view of the structure in area A of the utility model.
[0025] Markings in the figure: 1-box, 2-driving part, 3-cam, 4-cam seat, 5-screen rod, 6-first drying net, 7-second screen, 8-third screen, 9-slag basin, 10-guide plate, 11-receiving box, 11.1-moving wheel, 12-blocking plate, 12.1-limiting slide, 13-reinforcement rib, 14-support plate, 15-spring, 16-support foot, 17-cushion, 18-feed hopper. DETAILED DESCRIPTION
[0026] The utility model is described in detail below in conjunction with the accompanying drawings.
[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model. Example 1
[0028] like Figure 1 and Figure 2 As shown, a screening device for feed production in this embodiment includes a box body 1, a feed hopper 18 is provided at the top of the box body 1, a screen rod 5 is provided in the box body, a driving member 2 is connected to the top of the screen rod 5, the driving member 2 is connected to the cam 3 and rotates with it, the cam 3 is used to drive the screen rod 5 to move up and down, the screen rod 5 is provided with a first screen 6, a second screen 7, a third screen 8 and a slag basin 9 from top to bottom, the discharge ends of the first screen 6, the second screen 7, the third screen 8 and the slag basin 9 are provided with a baffle plate 12 and a receiving box 11, the bottom end of the screen rod 5 is provided with a support plate 14, and a plurality of springs 15 are provided between the support plate 14 and the box body 1.
[0029] When screening the feed after producing it, start the machine and put the feed to be screened into the feed hopper 18. The driving member 2 will drive the cam 3 to rotate, and the top of the cam 3 will support the screen rod 5. With the assistance of the spring 15, the first screen 6, the second screen 7, the third screen 8 and the slag basin 9 on the screen rod 5 can move back and forth up and down, which has a vibration effect and achieves the purpose of screening feed of different sizes. When the receiving box 11 at the discharge end of each level of the screen is full of feed, the corresponding baffle plate 12 can be pulled down to stop the discharge, and the device can continue the screening work. After replacing the empty receiving box 11, the baffle plate 12 can be opened to improve the efficiency of screening the feed. Example 2
[0030] like Figure 1 and Figure 2As shown, according to a screening device for feed production in Example 1, the first screen 6, the second screen 7, the third screen 8 and the slag basin 9 are arranged at an angle, the discharge end of the feed hopper 18 corresponds to the upper end of the first screen 6, the lower end of the first screen 6 corresponds to the upper end of the second screen 7, the lower end of the second screen 7 corresponds to the upper end of the third screen 8, and the lower end of the third screen 8 corresponds to the upper end of the slag basin 9.
[0031] The tilt setting allows the feed on the screen to automatically move from the upper end to the lower end of the screen under the action of vibration and fall into the receiving box, thereby realizing automatic collection of the feed, and smaller feed can be screened and dropped into the next level of screen on the moving path of the feed. Example 3
[0032] like Figure 1 and Figure 2 As shown, according to a screening device for feed production according to Example 2, the upper ends of the first screen 6, the second screen 7 and the third screen 8 are provided with a guide plate 10 for sending the feed particles screened from the upper ends of the screens to the middle of the next screen.
[0033] The guide plate 10 allows the feed to be screened from the middle of the screen at worst, thus ensuring the accuracy and effect of feed screening. Example 4
[0034] like Figure 1 and Figure 2 As shown, according to a screening device for feed production according to Example 3, a cam seat 4 is provided between the cam 3 and the screen rod 5 for transmitting the force, and the cam seat 4 is detachably connected to the screen rod 5.
[0035] When the cam seat 4 is severely worn, the cam seat 4 can be replaced to ensure the vibration effect and the screening accuracy and effect. Example 5
[0036] like Figure 1 and Figure 2 As shown, according to a screening device for feed production according to Example 4, the baffle plate 12 is adapted to be provided with a limiting slide groove 12.1, which is convenient for personnel to operate to close or open the baffle plate 12. Example 6
[0037] like Figure 1 and Figure 2 As shown, according to a screening device for feed production according to Example 5, a moving wheel 11.1 is provided at the bottom of the receiving box 11. When the receiving box 11 is full of feed, personnel can quickly move out the receiving box 11 and reload it through the moving wheel 11.1. Example 7
[0038] like Figure 1 and Figure 2As shown, according to a screening device for feed production according to Example 6, reinforcing ribs 13 are provided between the screen rods 5 and the support plates 14 to ensure the strength of the screen rods 5 and the support plates 14 under vibration. Example 8
[0039] like Figure 1 and Figure 2 As shown, according to a screening device for feed production according to Example 7, a supporting foot 16 is provided at the bottom end of the box body 1, and a soft pad 17 is provided at the bottom end of the supporting foot 16 to reduce the vibration amplitude and noise during the operation of the screening device.
[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A screening device for feed production, comprising a housing (1), characterized in that: A feed hopper (18) is provided at the top of the box body (1), a screen rod (5) is provided in the box body, a driving member (2) is connected to the top of the screen rod (5), the driving member (2) is connected to a cam (3) and drives the cam to rotate, the cam (3) is used to drive the screen rod (5) to move reciprocatingly up and down, the screen rod (5) is provided with a first screen (6), a second screen (7), a third screen (8) and a slag basin (9) in sequence from top to bottom, the first screen (6), the second screen (7), the third screen (8) and the slag basin (9) are all provided with a baffle plate (12) and a receiving box (11) at the discharge end, the screen rod (5) is provided with a support plate (14) at the bottom end, and a plurality of springs (15) are provided between the support plate (14) and the box body (1).
2. A screening device for feed production according to claim 1, characterized in that: The first screen (6), the second screen (7), the third screen (8) and the slag basin (9) are arranged in an inclined manner; the discharge end of the feed hopper (18) corresponds to the upper end of the first screen (6), the lower end of the first screen (6) corresponds to the upper end of the second screen (7), the lower end of the second screen (7) corresponds to the upper end of the third screen (8), and the lower end of the third screen (8) corresponds to the upper end of the slag basin (9).
3. A screening device for feed production according to claim 2, characterized in that: A material guide plate (10) is provided at the upper ends of the first screen (6), the second screen (7) and the third screen (8), for conveying feed particles screened from the upper ends of the screens to the middle of the next screen.
4. A screening device for feed production according to claim 3, characterized in that: A cam seat (4) is provided between the cam (3) and the screen rod (5) for transmitting an action force, and the cam seat (4) is detachably connected to the screen rod (5).
5. A screening device for feed production according to claim 4, characterized in that: The material blocking plate (12) is adapted to be provided with a limiting sliding groove (12.1).
6. A screening device for feed production according to claim 5, characterized in that: The bottom of the material receiving box (11) is provided with moving wheels (11.1).
7. A screening device for feed production according to claim 6, characterized in that: Reinforcing ribs (13) are provided between the screen rods (5) and the support plates (14).
8. A screening device for feed production according to claim 7, characterized in that: A supporting foot (16) is provided at the bottom end of the box body (1), and a soft cushion (17) is provided at the bottom end of the supporting foot (16).
