CN110465481B

CN110465481B - Ultrasonic zinc powder screening equipment

Info

Publication number: CN110465481B
Application number: CN201910627504.9A
Authority: CN
Inventors: 张凯明; 张�杰; 胡荣峰; 夏真真
Original assignee: Ningbo Shuanglu New Energy Technology Co ltd
Current assignee: Ningbo Beiterui New Energy Technology Co.,Ltd.
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2022-03-01
Anticipated expiration: 2039-07-12
Also published as: CN110465481A

Abstract

The invention discloses ultrasonic zinc powder screening equipment which comprises a box body, wherein the box body comprises a blanking mechanism, a powder suction device, a screening structure and a linkage device, the linkage device comprises a first gear and a second gear, the blanking mechanism comprises a discharge bin, a third gear and a cam, a sliding block is arranged below the discharge bin, a notch is arranged on the sliding plate, and when the linkage device enables the second gear to be meshed with the third gear, the cam can drive an opening of the sliding block to move to the position below the storage bin so that the discharge bin discharges materials; the device compact structure, screening efficiency is high, and can continuous operation, and automatic operation makes equipment can incessant carry out zinc powder screening, classification and retrieve.

Description

Ultrasonic zinc powder screening equipment

Technical Field

The invention relates to the field of automatic screening, in particular to ultrasonic zinc powder screening equipment.

Background

The zinc powder is dark gray powdery metal zinc and can be used as pigment, so that the covering power is strong; has good antirust and atmospheric corrosion resistant functions, and is commonly used for manufacturing antirust paint, strong reduction and the like.

In the production process of zinc powder, zinc steam is condensed into zinc powder through a condenser, the zinc powder is collected through a dust collecting device, the zinc powder is packaged to complete production after the zinc powder is collected, but the zinc powder is usually screened before being packaged because the sizes of particles gathered by the zinc steam in the condensation process are different, and the zinc powder is separated into different particle sizes to ensure uniform product quality. At present, a swing sieve and an ultrasonic vibration sieve are mostly adopted when zinc powder is sieved, and the defects of complex sieving equipment structure, easy blockage of mesh openings of a screen, poor sieving effect and high equipment energy consumption exist when the swing sieve is adopted for sieving; the ultrasonic vibration sieve is adopted for sieving, although the sieving precision is higher, the price of the sieving equipment is higher, the sieving efficiency is lower, the one-time sieving amount is less, and the recovery efficiency of large-particle zinc powder is low and incomplete.

Disclosure of Invention

The invention mainly aims to overcome the problems and provide ultrasonic zinc powder screening equipment which is used for rapidly and accurately screening zinc powder and distributing and recovering large-particle zinc powder and small-particle zinc powder.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an ultrasonic zinc powder screening device comprises a box body, wherein the box body comprises a blanking mechanism, a powder suction device, a screening structure and a linkage device, the linkage device comprises a first gear and a second gear, the blanking mechanism comprises a discharging bin, a third gear and a cam, a sliding block is arranged below the discharging bin, a notch is arranged on the sliding block, and when the linkage device enables the second gear to be meshed with the third gear, the cam can drive the notch of the sliding block to move to the position below the discharging bin, so that the discharging bin discharges materials; the screening structure comprises an ultrasonic transducer, the ultrasonic transducer is driven to be provided with an ultrasonic vibration screen, the powder suction device comprises a transmission gear and a powder extractor, the transmission gear is connected with a fourth gear in a meshed mode, and when the linkage device enables the first gear to be meshed with the transmission gear, the fourth gear can drive the powder extractor to rotate to extract powder.

As an improvement, the linkage device comprises a first motor, a second motor, a support and a sector gear, the second motor drives a rotary table, a protruding disc is arranged on the rotary table, the rotary table rotates to enable the protruding disc to drive the support to drive the sector gear to rotate in a reciprocating mode, the first motor drives a rotary shaft, the rotary shaft is fixedly connected with a bearing seat, a rack is further arranged on the bearing seat, the rack is meshed with the sector gear, a first gear and a second gear are further arranged on the rotary shaft, and the sector gear can drive in a reciprocating mode to drive the first gear and the second gear respectively to be meshed with the third gear and the transmission gear.

As an improvement, the powder extractor is provided with a plurality of sensors, and when the sensors receive rotation signals, the powder extractor starts to extract large-particle zinc powder.

As an improvement, a plurality of inclined plates are further arranged in the box body, and the inclined angle of each inclined plate is larger than or equal to 15 degrees and smaller than or equal to 45 degrees.

As an improvement, one end of the sliding block, which is far away from the cam, is provided with a spring for restoring.

As an improvement, a plurality of sealing rings are arranged at the joint of the ultrasonic vibration screen and the box body.

As an improvement, the difference between one end of the cam convex part and one end of the non-convex part is equal to the size of the slide block notch.

Compared with the prior art, the invention has the advantages that:

1. the invention can lead the blanking mechanism, the screening structure and the powder suction device to work for a period of time in sequence through the linkage device, thus leading the blanking mechanism, the screening structure and the powder suction device to finish automatic operation, and leading the labor to be free from complicated operation and reducing and avoiding a large amount of labor cost.

2. The linkage device is mainly controlled by a sector gear, and the sector gear enables the linkage device to separate enough time gaps to complete respective work when the linkage device drives the blanking mechanism, the screening structure and the powder suction device through a turntable, a protruding disc and a support.

3. The rotating work of the powder extractor not only prevents misoperation, but also enables large-particle zinc powder to be sucked into the powder storage chamber without omission in all directions.

4. The inclined plate is arranged in the box body, so that zinc powder falling from the discharging bin can slowly and orderly fall into the next process, and the next screening process can be efficiently completed.

5. The spring can make the slider reset, has guaranteed the closing and opening of blowing storehouse.

6. The sealing ring not only can play a role in damping, but also can prevent the machine from generating too loud sound during working.

7. The cam can make the discharging bin discharge a certain amount of zinc powder once per rotation.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present invention;

FIG. 2 is a sectional view of the whole structure of the discharging bin during discharging;

FIG. 3 is a cross-sectional view showing the overall structure when an ultrasonic vibration sieve is used for vibrating and sieving zinc powder;

fig. 4 is a cross-sectional view of the overall structure when a powder extractor extracts large particles of zinc powder.

The names of the parts corresponding to the respective reference numerals are: the powder feeding device comprises a box body 1, a feeding bin 2, a first motor 3, a rotating shaft 31, a first gear 32, a second gear 33, a bearing seat 41, a sector gear 42, a second motor 43, a rotating disc 44, a protruding disc 45, a bracket 46, a third gear 51, a cam 52, a sliding block 53, a spring 531, an inclined plate 6, a transmission gear 71, a powder extractor 72, a fourth gear 73, a sensor 74, a powder storage chamber 75, an ultrasonic transducer 81, an ultrasonic vibrating screen 82 and a discharging hopper 9.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The powder feeding device comprises a box body 1, wherein the box body 1 comprises a blanking mechanism, a powder sucking device, a screening structure and a linkage device, the linkage device comprises a first gear 32 and a second gear 33, the blanking mechanism comprises a discharging bin 2, a third gear 51 and a cam 52, a sliding block 53 is arranged below the discharging bin 2, a notch is arranged on the sliding block 53, and when the linkage device enables the second gear 33 to be meshed with the third gear 51, the cam 52 can drive the notch of the sliding block 53 to move to the position below the discharging bin 2, so that the discharging bin 2 discharges materials; the screening structure comprises an ultrasonic transducer 81, the ultrasonic transducer 81 drives an ultrasonic vibration screen 82, the powder suction device comprises a transmission gear 71 and a powder extractor 72, the transmission gear 71 is connected with a fourth gear 73 in a meshed mode, and when the linkage device enables the first gear 32 to be meshed with the transmission gear 71, the fourth gear 73 can drive the powder extractor 72 to rotate and extract powder.

Specifically, the linkage device includes a first motor 3, a second motor 43, a bracket 46 and a sector gear 42, the second motor 43 drives a turntable 44, the turntable 44 is provided with a protruding disc 45, the turntable 44 rotates to drive the protruding disc 45 to drive the bracket 46 to drive the sector gear 42 to rotate in a reciprocating manner, the first motor 3 drives a rotating shaft 31, the rotating shaft 31 is fixedly connected with a bearing seat 41, the bearing seat 41 is further provided with a rack, the rack is meshed with the sector gear 42, the rotating shaft 31 is further provided with a first gear 32 and a second gear 33, the sector gear 42 rotates in a reciprocating manner to drive the first gear 32 and the second gear 33 to be meshed with the third gear 51 and the transmission gear 71 respectively.

Specifically, the powder extractor 72 is provided with a plurality of sensors, and when the sensors receive a rotation signal, the powder extractor 72 starts to extract large-particle zinc powder.

Specifically, still be equipped with a plurality of blocks of swash plate 6 in the box 1, 6 inclination more than or equal to 15 of swash plate is less than or equal to 45.

Specifically, one end of the slider 53, which is far away from the cam 52, is provided with a spring 531 for return.

Specifically, a plurality of sealing rings are arranged at the joint of the ultrasonic vibration screen 82 and the box body 1.

Specifically, the difference between the convex end and the non-convex end of the cam 52 is equal to the size of the notch of the slider 53.

When the zinc powder needs to be screened, the first motor 3 and the second motor 43 are started, and at this time, the ultrasonic transducer 81 converts the input electric power into mechanical power, so that the ultrasonic vibration screen 82 vibrates at a high speed.

At this time, the second motor 43 drives the turntable 44 to rotate, so that the protruded disc 45 rotates slowly, the protruded disc 45 can make the bracket 46 drive the sector gear 42 to rotate to the position shown in fig. 2, at this time, the bearing seat 41 slides to the position shown in fig. 2, the second gear 33 and the third gear 51 are meshed with each other, the first motor 3 drives the rotating shaft 31 to rotate, and the third gear 51 is coaxial with the cam 52, so that the cam 52 rotates to make the sliding block 53 move leftwards, when the notch on the sliding block 53 is overlapped with the opening of the discharging bin 2, the discharging bin 2 discharges zinc powder, and after the cam 52 rotates, the sliding block 53 returns to the original position under the action of the spring 531.

At this moment, the zinc powder falls to the inclined plate 6, under the action of the inclined plates 6, the zinc powder slowly falls onto the ultrasonic vibration sieve 82 at a slow speed, the zinc powder is rapidly separated under the high-speed vibration of the ultrasonic vibration sieve 82, at this moment, the small-particle zinc powder falls to the lower hopper 9, at this moment, the lug plate 45 enables the bracket 46 to drive the sector gear 42 to rotate to the position shown in fig. 3, and at this moment, enough time is given for sieving time.

When the bracket 46 drives the sector gear 42 to rotate to the position shown in fig. 4 by the protruding disc 45, the first gear 32 is meshed with the transmission gear 71, so that the rotating shaft 31 drives the transmission gear 71 to drive the fourth gear 73 to rotate, so that the powder suction device 72 rotates, and the sensor starts to suck large-particle zinc powder into the powder storage chamber 75 after sensing that the powder suction device 72 rotates, so as to perform a reciprocating cycle.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an ultrasonic wave zinc powder screening equipment, includes box (1), box (1) includes blanking mechanism, inhales whitewashed device, screening structure and aggregate unit, its characterized in that: the linkage device comprises a first gear (32) and a second gear (33), the blanking mechanism comprises a discharging bin (2), a third gear (51) and a cam (52), a sliding block (53) is arranged below the discharging bin (2), a notch is arranged on the sliding block (53), and when the linkage device enables the second gear (33) to be meshed with the third gear (51), the cam (52) can drive the notch of the sliding block (53) to move to the position below the discharging bin (2), so that the discharging bin (2) discharges materials; the screening structure comprises an ultrasonic transducer (81), the ultrasonic transducer (81) drives an ultrasonic vibration screen (82), the powder suction device comprises a transmission gear (71) and a powder extractor (72), the transmission gear (71) is in meshing connection with a fourth gear (73), and when the linkage device enables the first gear (32) to be meshed with the transmission gear (71), the fourth gear (73) can drive the powder extractor (72) to rotate to extract powder;

the linkage device comprises a first motor (3), a second motor (43), a bracket (46) and a sector gear (42), the second motor (43) is driven by a rotary disc (44), a protruding disc (45) is arranged on the rotary disc (44), the rotation of the rotary disc (44) can make the protruding disc (45) drive the bracket (46) to drive the sector gear (42) to rotate in a reciprocating way, the first motor (3) is driven by a rotating shaft (31), the rotating shaft (31) is fixedly connected with a bearing seat (41), the bearing seat (41) is also provided with a rack which is meshed with the sector gear (42), the rotating shaft (31) is also provided with a first gear (32) and a second gear (33), the sector gear (42) rotates in a reciprocating manner to drive the first gear (32) and the second gear (33) to be meshed with the third gear (51) and the transmission gear (71) respectively.

2. The ultrasonic zinc powder screening device of claim 1, which is characterized in that: the powder extractor (72) is provided with a plurality of sensors, and when the sensors receive rotation signals, the powder extractor (72) starts to pump large-particle zinc powder.

3. The ultrasonic zinc powder screening device of claim 1, which is characterized in that: still be equipped with a plurality of blocks of swash plate (6) in box (1), swash plate (6) inclination more than or equal to 15 less than or equal to 45.

4. The ultrasonic zinc powder screening device of claim 1, which is characterized in that: and one end of the sliding block (53) far away from the cam (52) is provided with a spring (531) for restoring.

5. The ultrasonic zinc powder screening device of claim 1, which is characterized in that: the connection part of the ultrasonic vibration sieve (82) and the box body (1) is provided with a plurality of sealing rings.

6. The ultrasonic zinc powder screening device of claim 1, which is characterized in that: the difference between one end of the convex part and one end of the non-convex part of the cam (52) is equal to the size of the notch of the sliding block (53).