Dry screening device for ultrafine powder

Abstract

The utility model discloses a superfine powder dry-method sieving device, and particularly relates to the field of superfine powder, the superfine powder dry-method sieving device comprises a connecting cylinder, a sieving assembly is arranged in the connecting cylinder, the sieving assembly comprises a vibrating screen, the upper end of the vibrating screen is connected with a screen in a clamping mode, and an ultrasonic disperser is fixedly arranged at the bottom of the vibrating screen. And sliding blocks are arranged outside the vibrating screen at equal intervals, the sliding blocks are in sliding connection with sliding grooves formed in the connecting cylinder, a connecting base is fixedly arranged at the upper end of the screen mesh, the connecting base is fixedly connected with the ultrasonic disperser, an auxiliary assembly is arranged outside the connecting cylinder, and the auxiliary assembly comprises an electric telescopic rod. According to the ultra-fine powder screening device, due to the arrangement of the screening assembly, ultra-fine powder is dispersed in an ultrasonic dispersion mode, so that molecules in substances are excited to conduct ultra-high-frequency vibration, the powder is loose and not prone to huddling, the screening efficiency of the ultra-fine powder screening device is improved to a certain degree, meanwhile, operation such as dismounting, cleaning and the like can be conveniently conducted on a screen, and the practicability of the ultra-fine powder screening device is enhanced.

Description

Technical Field

[0001] The utility model relates to the field of ultrafine powder, and more specifically, to a dry screening device for ultrafine powder. Background Art

[0002] The dry screening device for ultrafine powder is a device used to screen and grade powder, mainly used for powder material processing in industrial production. It usually consists of components such as vibrating screen and airflow screen;

[0003] After searching, the existing patent (publication number: CN217857301 U) discloses a powder screening device, including a support frame and a screening device, the upper end of the support frame is symmetrically provided with a first crossbeam, the left and right ends of the first crossbeam are provided with a first spring, the lower end of the first spring is symmetrically provided with a spring frame, the left and right ends of the lower end of the spring frame are provided with a second spring, the second spring end is provided with a second crossbeam, a screening device is provided in the middle of the spring frame, a coarse net is provided at the upper end of the screening device, a fine net is provided at the lower end of the coarse net, and a fine material chamber is provided at the lower end of the fine net. The utility model controls the operation of the motor through a controller, and the operation of the motor drives the rotating shaft to rotate, and at the same time, the three counterweights installed on the rotating shaft also rotate, and the three counterweights are installed on the same axis. The counterweight will vibrate due to imbalance as the rotating shaft rotates, and the screening device is driven to vibrate at the same time by a vibration device installed on the screening device, and the screening device is set to have an angle of 20° at the left bottom and the right high.

[0004] Existing powder screening generally adopts a vibrating screen for screening, but ultrafine powder is easy to agglomerate. When vibrating and screening, ultrafine powder is easy to agglomerate on the screen and is difficult to sieve, so the yield is low and the particle size under the screen is uneven, resulting in certain limitations in its use. At the same time, the above-cited patent documents do not propose relevant solutions to solve the above problems;

[0005] Therefore, in view of the above problems, a dry screening device for ultrafine powder is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a dry screening device for ultrafine powder to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solutions: a dry screening device for ultrafine powder, comprising a connecting cylinder, a screening component is arranged inside the connecting cylinder, and the screening component comprises a vibrating screen;

[0008] The upper end of the vibration screen is connected with a screen mesh, and the bottom of the vibration screen is fixedly provided with an ultrasonic disperser, and sliders are arranged at equal intervals outside the vibration screen, and the sliders are slidably connected with the slide grooves provided inside the connecting tube.

[0009] Preferably, a connecting seat is fixedly provided on the upper end of the screen, and the connecting seat is fixedly connected to the ultrasonic disperser.

[0010] Preferably, an auxiliary component is disposed outside the connecting tube, and the auxiliary component includes an electric telescopic rod, and the electric telescopic rod is arranged in three groups at equal intervals.

[0011] Preferably, a damper is fixedly provided on the upper end of the electric telescopic rod, and a buffer spring is connected around the outside of the damper.

[0012] Preferably, a top cover is fixedly connected to the upper end of the buffer spring, and the top cover is snap-connected to the connecting tube.

[0013] Preferably, a stirring assembly is disposed at the upper end of the top cover, and the stirring assembly includes a driving motor, and one side of the driving motor is connected to a rotating shaft via an output shaft.

[0014] Preferably, stirring rods are symmetrically and fixedly arranged outside the rotating shaft, and the stirring rods are arranged in a plurality of groups at equal intervals.

[0015] Preferably, a connecting pipe is fixedly provided on one end of the outside of the connecting tube, one end of the connecting pipe is fixedly connected to a dust collecting box, and one end of the dust collecting box is connected to an exhaust fan via a fixed pipe.

[0016] Technical effects and advantages of the utility model:

[0017] Compared with the prior art, the dry screening device for ultrafine powder, through the setting of the screening component, adopts ultrasonic dispersion to disperse the ultrafine powder, thereby stimulating the internal molecules of the substance to vibrate at ultra-high frequency, making the powder loose and not easy to clump, thereby improving its screening efficiency to a certain extent, and at the same time facilitating the disassembly, assembly and cleaning of the screen, making the practicality of the device enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 This is a schematic diagram of the structure of the stirring component of the utility model.

[0020] Figure 3 This is a schematic diagram of the structure of the screening component of the utility model.

[0021] Figure 4 This is a schematic diagram of the auxiliary component structure of the utility model.

[0022] The accompanying drawings are marked as follows: 1. connecting cylinder; 2. stirring assembly; 21. driving motor; 22. rotating shaft; 23. stirring rod; 3. screening assembly; 31. vibrating screen; 32. screen; 33. slider; 34. slide groove; 35. connecting seat; 36. ultrasonic disperser; 4. auxiliary assembly; 41. electric telescopic rod; 42. damper; 43. buffer spring; 44. top cover; 5. connecting pipe; 6. dust box; 7. exhaust fan. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] As attached Figures 1 to 4 The dry screening device for ultrafine powder shown in the figure comprises a connecting cylinder 1, a screening component 3 is arranged inside the connecting cylinder 1, and the screening component 3 comprises a vibrating screen 31;

[0026] The upper end of the vibration screen 31 is snap-fitted with a screen 32 , and an ultrasonic disperser 36 is fixedly provided at the bottom of the vibration screen 31 . Slide blocks 33 are evenly spaced outside the vibration screen 31 , and the slide blocks 33 are slidably connected to the slide grooves 34 provided inside the connecting tube 1 .

[0027] Among them: slide grooves 34 are opened at equal intervals inside the connecting tube 1, and sliders 33 are movably connected inside the slide grooves 34. The sliders 33 are fixedly connected to the vibrating screen 31, so that it is easy to take it out, making the device more convenient to use, and the ultrafine powder is dispersed by ultrasonic dispersion, thereby stimulating the internal molecules of the substance to vibrate at ultra-high frequency, so that the powder is loose and not easy to clump.

[0028] Embodiment 2

[0029] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:

[0030] As a preferred embodiment, a connecting seat 35 is fixedly provided on the upper end of the screen 32, and the connecting seat 35 is fixedly connected to the ultrasonic disperser 36; further, by providing the connecting seat 35 in a semicircular shape, the phenomenon that ultrafine powder is retained at the upper end of the connecting seat 35 and cannot be discharged is effectively avoided, thereby enhancing the practicality of the device.

[0031] As a preferred embodiment, an auxiliary component 4 is provided on the outside of the connecting tube 1, and the auxiliary component 4 includes an electric telescopic rod 41, and the electric telescopic rod 41 is arranged in three groups at equal intervals; further, by providing the electric telescopic rod 41, the electric telescopic rod 41 drives the top cover 44 to move, making the device more convenient to use.

[0032] As a preferred embodiment, a damper 42 is fixedly provided on the upper end of the electric telescopic rod 41, and a buffer spring 43 is connected to the outside of the damper 42; further, by providing the damper 42 and the buffer spring 43, the stability of the top cover 44 when moving up and down is improved, thereby enhancing the practicality of the device.

[0033] As a preferred embodiment, a top cover 44 is fixedly connected to the upper end of the buffer spring 43, and the top cover 44 is snap-connected with the connecting tube 1; further, by providing the top cover 44 and snap-connecting it with the connecting tube 1, it is convenient to subsequently clean the inside of the connecting tube 1, making the device more convenient to use and improving the practicality of the device to a certain extent.

[0034] As a preferred embodiment, a stirring assembly 2 is provided at the upper end of the top cover 44, and the stirring assembly 2 includes a driving motor 21, and one side of the driving motor 21 is connected to a rotating shaft 22 through an output shaft; further, by providing the driving motor 21, the driving motor 21 drives the rotating shaft 22 to rotate, and no manual operation is required, thereby enhancing the practicality of the device.

[0035] As a preferred embodiment, stirring rods 23 are symmetrically and fixedly arranged outside the rotating shaft 22, and several groups of stirring rods 23 are arranged at equal intervals; further, by providing the stirring rods 23, the stirring rods 23 preliminarily stir the ultrafine powder, thereby performing a preliminary dispersion operation on it.

[0036] As a preferred embodiment, a connecting pipe 5 is fixedly provided at one end of the outside of the connecting tube 1, one end of the connecting pipe 5 is fixedly connected to a dust collecting box 6, and one end of the dust collecting box 6 is connected to an exhaust fan 7 through a fixed pipe; further, by providing the exhaust fan 7, the exhaust fan 7 generates negative pressure, which facilitates material unloading, thereby enhancing the practicality of the device.

[0037] The working process of the utility model is as follows:

[0038] When in use, firstly, a top cover 44 is arranged at the upper end of the connecting cylinder 1, and a driving motor 21 is arranged at the upper end of the top cover 44, and the ultra-fine powder is input into the connecting cylinder 1, and the output shaft on one side of the driving motor 21 drives the rotating shaft 22 to rotate, and drives the stirring rod 23 outside the rotating shaft 22 to rotate, so as to preliminarily disperse the ultra-fine powder, and three groups of electric telescopic rods 41 are arranged at equal intervals outside the connecting cylinder 1, and a damper 42 is arranged on the upper end of the electric telescopic rod 41, and a buffer spring 43 is connected around the outside of the damper 42, so that the electric telescopic rod 41 drives the top cover 44 to move while improving its stability, facilitating the cleaning of the interior, and making the device more convenient to use, and secondly, inside the connecting cylinder 1 A vibrating screen 31 is provided, a screen 32 is engaged with the upper end of the vibrating screen 31, and an ultrasonic disperser 36 is provided at the bottom of the screen 32. Ultrafine powders are dispersed by ultrasonic dispersion, thereby stimulating the internal molecules of the substance to vibrate at ultra-high frequencies, making the powders loose and not easy to clump, thereby improving the screening efficiency, making the device more practical, and chute grooves 34 are provided at equal intervals inside the connecting tube 1, and sliders 33 are movably connected inside the chute 34, and the slider 33 is fixedly connected to the vibrating screen 31, so as to facilitate its removal, making the device more convenient to use, and by inputting the ultrafine powder from the connecting tube 5 into the dust collecting box 6, and generating negative pressure through the exhaust fan 7, it is convenient to unload the material, making the device more practical.

[0039] Finally: 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 in the protection scope of the present utility model.

Claims

1. A dry screening device for ultrafine powder, comprising a connecting cylinder (1), characterized in that: A screening component (3) is arranged inside the connecting cylinder (1), and the screening component (3) comprises a vibrating screen (31); The upper end of the vibrating screen (31) is snap-connected with a screen (32), and an ultrasonic disperser (36) is fixedly arranged at the bottom of the vibrating screen (31). Slide blocks (33) are arranged at equal intervals outside the vibrating screen (31), and the slide blocks (33) are slidably connected to a slide groove (34) provided inside the connecting tube (1).

2. The dry screening device for ultrafine powder according to claim 1, characterized in that: A connecting seat (35) is fixedly provided on the upper end of the screen (32), and the connecting seat (35) is fixedly connected to the ultrasonic disperser (36).

3. The dry screening device for ultrafine powder according to claim 1, characterized in that: An auxiliary component (4) is arranged outside the connecting tube (1), and the auxiliary component (4) comprises electric telescopic rods (41). Three groups of the electric telescopic rods (41) are arranged at equal intervals.

4. The dry screening device for ultrafine powder according to claim 3, characterized in that: A damper (42) is fixedly arranged on the upper end of the electric telescopic rod (41), and a buffer spring (43) is connected around the outside of the damper (42).

5. The dry screening device for ultrafine powder according to claim 4, characterized in that: The upper end of the buffer spring (43) is fixedly connected with a top cover (44), and the top cover (44) is snap-connected with the connecting tube (1).

6. The dry screening device for ultrafine powder according to claim 5, characterized in that: A stirring assembly (2) is provided at the upper end of the top cover (44), and the stirring assembly (2) comprises a driving motor (21), and one side of the driving motor (21) is connected to a rotating shaft (22) via an output shaft.

7. The dry screening device for ultrafine powder according to claim 6, characterized in that: The rotating shaft (22) is symmetrically and fixedly provided with stirring rods (23) outside, and the stirring rods (23) are arranged in a plurality of groups at equal intervals.

8. The dry screening device for ultrafine powder according to claim 1, characterized in that: A connecting pipe (5) is fixedly provided at one end of the outside of the connecting tube (1), one end of the connecting pipe (5) is fixedly connected to a dust collecting box (6), and one end of the dust collecting box (6) is connected to an exhaust fan (7) via a fixed pipe.

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