Urea particle mixing and polishing device

By designing a urea granule mixing polishing device, using the combination of paddles and baffles, combined with fan blades and exhaust fans, the problem of uneven mixing during the urea granule coating process is solved, and better coating effect and environmental protection are achieved.

CN223118353UActive Publication Date: 2025-07-18SHANXI LUAN COAL BASED SYNTHETIC OIL
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Patent Information

Application Number
CN202422317783.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-07-18
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

Existing laboratory pharmaceutical coating equipment is difficult to achieve mixing uniformity and polishing effects during the urea granule coating process, especially because the surface of the urea granule is not smooth and the particle size is uneven, which leads to large centrifugal force and rotation at high speeds, and cannot effectively mix at low speeds.

Method used

A urea particle hybrid polishing device is designed, including the body, blades, telescopic tubes and limiting mechanisms. Through the rotation of the blades and the cooperation of the baffle, combined with the fan blades and the exhaust fan, it can achieve enhanced mixing and dust collection to ensure uniformity and consistency of the coating process.

Benefits of technology

It significantly improves the mixing uniformity of urea particles and the uniformity of the coating layer, and at the same time realizes effective dust absorption, which meets the environmental protection requirements of modern industrial production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of coated urea, in particular to a urea particle mixing and polishing device. The urea particle mixing and polishing device comprises a machine body, a paddle, a telescopic pipe and a limiting mechanism, a coating pan is installed on one side of the machine body, baffles are fixedly connected to the interior of the coating pan at equal intervals, the paddle is rotationally connected to the middle of the coating pan, a cover plate is installed on one side of the machine body, and the interior of the cover plate and the paddle are installed in a matched mode; a telescopic pipe is installed at the top end of the machine body, and one end of the telescopic pipe is fixedly connected with the middle of the cover plate. According to the utility model, after the paddle stirrer is introduced, the rotation of the stirrer can generate a stronger mixing effect, and the mixing uniformity of urea particles in the coating process is obviously improved under the combined action of the stirrer and the baffle plate in the coating pan. Therefore, the coating effect of the urea particles is facilitated, and the uniformity and consistency of the coating layer are also ensured.
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Description

Technical Field

[0001] The utility model relates to the field of coated urea, in particular to a urea granule mixing and polishing device. Background Art

[0002] In the development process of downstream products of urea, especially for the production of coated urea, medical product coating equipment is often used for experiments in traditional laboratories; such equipment is mainly designed to meet the coating requirements of drugs with smooth surfaces and uniform particle sizes, so it shows good adaptability during the coating process; however, when these equipment are applied to the coating of urea granules, obvious limitations appear;

[0003] Due to the special physical properties of urea granules, such as non-smooth surfaces and non-uniform particle sizes, it is difficult to achieve ideal mixing uniformity and polishing effects during the coating process; when using existing laboratory drug coating machines for urea coating, a large centrifugal force will be generated at high speeds, causing the urea granules to rotate with the equipment, while at low speeds, the equipment rotates and the urea granules are almost stationary, unable to achieve effective mixing and polishing.

[0004] Therefore, it is necessary to provide a new urea granule mixing and polishing device to solve the above technical problems. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a urea granule mixing and polishing device.

[0006] The urea granule mixing and polishing device provided by the utility model includes: a machine body, a paddle, a telescopic tube, and a limiting mechanism. A coating pan is installed on one side of the machine body. Baffles are fixedly connected at equal intervals inside the coating pan. A paddle is rotatably connected to the middle of the coating pan. A cover plate is installed on one side of the machine body. The inside of the cover plate is cooperatively installed with the paddle. An extension rod is fixedly connected to the top of the machine body. One end of the extension rod is cooperatively installed with the cover plate. A telescopic tube is installed on the top of the machine body. One end of the telescopic tube is fixedly connected to the middle of the cover plate. A fan blade is installed in the middle of the cover plate. The fan blade is cooperatively installed with the paddle. A limiting mechanism is provided between the cover plate and the extension rod.

[0007] Preferably, the limiting mechanism includes: a groove, a spring, a slider, a first tooth, and a second tooth. A groove is opened at one end of the extension rod. A spring is fixedly connected inside the groove. A slider is slidably connected to the inner wall of the groove. One side of the slider is fixedly connected to one end of the spring. The side of the slider away from the spring is fixedly connected to the first tooth. A second tooth is fixedly connected to the hinge joint of the cover plate and the extension rod. The first tooth is meshed with the second tooth.

[0008] Preferably, one side of the cover plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a worm, the axis of the fan blade is fixedly connected with a worm gear, the worm gear is meshed with the worm, a friction groove is formed on the side of the fan blade away from the worm gear, one end of the paddle blade close to the fan blade is fixedly connected with a friction block, and the friction block is in transmission connection with the friction groove.

[0009] Preferably, the axes of the fan blade and the paddle blade are the same.

[0010] Preferably, an exhaust fan is arranged inside the machine body, the exhaust fan is communicated with the telescopic pipe, and a dust collector is arranged inside the machine body.

[0011] Preferably, air inlet holes are formed in the cover plate.

[0012] Preferably, the coating pan rotates in the opposite direction to the paddle blade.

[0013] Compared with the related art, the urea particle mixing and polishing device provided by the present utility model has the following beneficial effects:

[0014] After the paddle blade stirrer is introduced, the rotation of the stirrer can generate a stronger mixing effect, and together with the baffle in the coating pan, it significantly improves the mixing uniformity of urea particles during the coating process. This not only helps the coating effect of urea particles, but also ensures the uniformity and consistency of the coating layer. Also, through the fan blade, the exhaust fan and the dust collector inside the machine body, the dust generated during the coating process is sucked away, thus meeting the requirements of modern industrial production for environmental protection. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the urea particle mixing and polishing device provided by the present utility model;

[0016] Figure 2 is Figure 1 a schematic structural diagram of the inside of the coating pan shown;

[0017] Figure 3 is Figure 1 a schematic structural diagram of the friction groove shown;

[0018] Figure 4 is Figure 1 a schematic structural diagram of the fan blade shown.

[0019] Reference numerals in the drawings: 1, machine body; 2, coating pan; 3, baffle; 4, paddle blade; 5, cover plate; 6, telescopic pipe; 7, fan blade; 8, extension rod; 9, limiting mechanism; 10, air inlet hole; 31, motor; 32, worm; 33, worm gear; 34, friction groove; 35, friction block; 91, groove; 92, spring; 93, slider; 94, tooth one; 95, tooth two. Detailed Embodiments

[0020] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0021] The following describes the specific implementation of the present utility model in detail in conjunction with specific embodiments.

[0022] Please refer to Figures 1 to 4 , a urea granule mixing and polishing device, the urea granule mixing and polishing device includes: a machine body 1, a paddle 4, a telescopic tube 6 and a limiting mechanism 9. A coating pan 2 is installed on one side of the machine body 1. Baffles 3 are fixedly connected at equal intervals inside the coating pan 2. A paddle 4 is rotatably connected to the middle of the coating pan 2. A cover plate 5 is installed on one side of the machine body 1. The inside of the cover plate 5 is fitted with the paddle 4. An extension rod 8 is fixedly connected to the top of the machine body 1. One end of the extension rod 8 is fitted with the cover plate 5. A telescopic tube 6 is installed on the top of the machine body 1. One end of the telescopic tube 6 is fixedly connected to the middle of the cover plate 5. A fan blade 7 is installed in the middle of the cover plate 5. The fan blade 7 is fitted with the paddle 4. A limiting mechanism 9 is provided between the cover plate 5 and the extension rod 8. The axes of the fan blade 7 and the paddle 4 are the same. A suction fan is provided inside the machine body 1. The suction fan is communicated with the telescopic tube 6. A dust collector is provided inside the machine body. An air inlet hole 10 is opened on the cover plate 5. The coating pan 2 rotates in the opposite direction to the paddle 4.

[0023] Please refer to Figure 2 and Figure 4 , the limiting mechanism 9 includes: a groove 91, a spring 92, a slider 93, a first tooth 94 and a second tooth 95. A groove 91 is opened at one end of the extension rod 8. A spring 92 is fixedly connected inside the groove 91. A slider 93 is slidably connected to the inner wall of the groove 91. One side of the slider 93 is fixedly connected to one end of the spring 92. The side of the slider 93 away from the spring 92 is fixedly connected to a first tooth 94. A second tooth 95 is fixedly connected to the hinge joint between the cover plate 5 and the extension rod 8. The first tooth 94 is meshed with the second tooth 95.

[0024] Please refer to Figures 3 - 4 , a motor 31 is fixedly connected to one side of the cover plate 5. A worm 32 is fixedly connected to the output end of the motor 31. A worm gear 33 is fixedly connected to the axis of the fan blade 7. The worm gear 33 is meshed with the worm 32. A friction groove 34 is opened on the side of the fan blade 7 away from the worm gear 33. A friction block 35 is fixedly connected to the end of the paddle 4 close to the fan blade 7. The friction block 35 is in transmission connection with the friction groove 34.

[0025] The working principle of the urea granule mixing and polishing device provided by the present utility model is as follows:

[0026] Startup and initial state:

[0027] When the device is started, the motor in the body 1 begins to drive the coating pan 2 and the paddle 4 to rotate.

[0028] One end of the telescopic pipe 6 is rotatably connected to the middle part of the cover plate 5 for sucking dust. The fan blade 7 is installed at the other end of the telescopic pipe 6 and works in cooperation with the paddle 4, which may be used to enhance the air flow circulation or stirring effect in the coating pan 2.

[0029] Mixing and polishing process:

[0030] Function of the baffle 3: The baffles 3 fixedly connected at equal intervals inside the coating pan 2 effectively reduce the tangential speed during the rotation of the coating pan and increase the turbulent flow of stirring. This helps the urea particles to be evenly distributed in the coating pan, avoiding the problems that the urea particles rotate with the equipment at high speeds and do not rotate at low speeds. At the same time, the smoothness and roundness angle design of the baffles prevent the urea particles from breaking during collisions, which is beneficial to maintaining the particle size.

[0031] Stirring of the paddle 4: The paddle 4 is rotatably connected to the middle part of the coating pan 2. As the coating pan rotates, the paddle further stirs and mixes the urea particles to ensure the uniform mixing and polishing of the urea particles.

[0032] Auxiliary function of the fan blade 7: The fan blade 7 has a direct cooperation with the paddle 4, so that the installed fan blade sucks away dust through the telescopic pipe 6, forming a local air flow circulation in the coating pan, and further enhancing the mixing effect and polishing efficiency of the urea particles.

[0033] Function of the limiting mechanism 9:

[0034] The limiting mechanism 9 includes a groove 91, a spring 92, a slider 93, a tooth 94 and a tooth 95, which are mainly used to adjust and fix the relative position between the cover plate 5 and the extension rod 8 to ensure the stability and safety of the device during operation. When it is necessary to adjust the position of the cover plate 5 or perform maintenance, it can be achieved by operating the limiting mechanism 9.

[0035] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present invention.

Claims

1. A urea granule mixing and polishing device, characterized in that, Including: A machine body (1), with a coating pan (2) installed on one side of the machine body (1), and baffles (3) fixedly connected at equal intervals inside the coating pan (2); A paddle (4), the paddle (4) is rotatably connected in the middle of the coating pan (2), a cover plate (5) is installed on one side of the machine body (1), the inside of the cover plate (5) is fitted with the paddle (4), the top of the machine body (1) is fixedly connected with an extension rod (8), and one end of the extension rod (8) is fitted with the cover plate (5); A telescopic tube (6), the telescopic tube (6) is installed on the top of the machine body (1), one end of the telescopic tube (6) is fixedly connected to the middle of the cover plate (5), a fan blade (7) is installed in the middle of the cover plate (5), and the fan blade (7) is fitted with the paddle (4); A limiting mechanism (9) is provided between the cover plate (5) and the extension rod (8).

2. The urea particle mixing and polishing device according to claim 1, characterized in that, The limiting mechanism (9) includes: a groove (91), a spring (92), a slider (93), a first tooth (94) and a second tooth (95). A groove (91) is opened at one end of the extension rod (8), the spring (92) is fixedly connected inside the groove (91), the inner wall of the groove (91) is slidably connected with the slider (93), one side of the slider (93) is fixedly connected to one end of the spring (92), the side of the slider (93) away from the spring (92) is fixedly connected with the first tooth (94), a second tooth (95) is fixedly connected at the hinge joint of the cover plate (5) and the extension rod (8), and the first tooth (94) is meshed with the second tooth (95).

3. The urea particle mixing and polishing device according to claim 1, characterized in that, A motor (31) is fixedly connected to one side of the cover plate (5), a worm (32) is fixedly connected to the output end of the motor (31), a worm gear (33) is fixedly connected to the axis of the fan blade (7), the worm gear (33) is meshed with the worm (32), a friction groove (34) is opened on the side of the fan blade (7) away from the worm gear (33), a friction block (35) is fixedly connected to the end of the paddle (4) close to the fan blade (7), and the friction block (35) is in transmission connection with the friction groove (34).

4. The urea particle mixing and polishing device according to claim 1, characterized in that, The axes of the fan blade (7) and the paddle (4) are the same.

5. The urea granule mixing and polishing device according to claim 1, wherein, A suction fan is provided inside the machine body (1), and the suction fan is communicated with the telescopic tube (6).

6. The urea particle mixing and polishing device according to claim 1, characterized in that, An air inlet hole (10) is opened on the cover plate (5).

7. The urea particle mixing and polishing device according to claim 1, wherein The coating pan (2) rotates in the opposite direction to the paddle (4).