CN220461306U - Multilayer hierarchical screening plant is used in phosphor powder production - Google Patents

Abstract

The utility model discloses a multilayer grading screening device for fluorescent powder production, which relates to the technical field of fluorescent powder production and aims at solving the technical problems that blockage is difficult to prevent in the prior art and meanwhile, multilayer grading screening is difficult to carry out on fluorescent powder quickly.

Description

Multilayer hierarchical screening plant is used in phosphor powder production

Technical Field

The utility model belongs to the technical field of fluorescent powder production, and particularly relates to a multi-layer hierarchical screening device for fluorescent powder production.

Background

Fluorescent powder is commonly called noctilucent powder, and can emit light at night or in dark places, and fluorescent powder particles with different particle sizes are required to be distinguished according to ordering requirements in the production process of the fluorescent powder, so that the fluorescent powder particles are required to be screened.

At present, most of screening devices adopt a mechanical vibrating screen, but in actual operation, after fluorescent powder is put into a screening box, stacking phenomenon is likely to occur, and at this time, screening efficiency is reduced, so that the practicability is poor.

Therefore, in order to solve the above problems that the daily sieving device is difficult to prevent from clogging after use and to rapidly carry out multi-layer grading sieving on the fluorescent powder, a solution is needed to improve the use scene of the sieving device.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a multilayer grading type screening device for fluorescent powder production, which aims to solve the technical problems that the blockage is difficult to prevent and the fluorescent powder is difficult to be rapidly screened in a multilayer grading manner in the prior art.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a multilayer grading type screening device for fluorescent powder production, which comprises a supporting seat, wherein the upper end of the supporting seat is provided with a screening box, buffer springs are arranged at four corners between the supporting seat and the screening box, vibrators are arranged at the left end and the right end of the screening box, a feed inlet with a sealing cover is fixedly connected to the upper end of the screening box, a distribution assembly is arranged at the upper end of the inner side of the screening box, a screening assembly is arranged at the inner side of the screening box, and a control assembly is arranged at the upper end of the screening assembly.

When the screening device of the technical scheme is used, fluorescent powder raw materials are put into the screening box through the feed inlet, the top end of the screening assembly is reached, the distribution assembly is started to evenly spread the stacked fluorescent powder raw materials, the screening box is driven by a plurality of vibrators to vibrate to screen the fluorescent powder raw materials on the inner side, the fluorescent powder raw materials are classified through the filter screens with a plurality of different apertures of the screening assembly, after screening is finished, the control assembly is rotated, the filter screens on the lower end are linked to incline, and the classified fluorescent powder is discharged from different channels along the inclined gradient.

Further, the distribution assembly comprises a driving motor, a mounting seat, a supporting rod and a silica gel distribution plate, the mounting seat is mounted at the lower end of an output shaft of the driving motor, the driving motor is started, and the supporting rod mounted on the side face of the mounting seat drives the soft silica gel distribution plate to rotate slowly.

Further, the mount pad rear end fixedly connected with bracing piece, soft silica gel distribution plate is installed to the bracing piece lower extreme, and the even tiling of piled up phosphor powder raw materials comes.

Further, the screening subassembly includes first filter, second filter, third filter, guide plate, pivot and hierarchical discharging channel, first filter, second filter and third filter are installed in proper order from last to the bottom to screening incasement side, first filter, second filter and third filter screening hole diminish in proper order, and the phosphor powder is classified after passing through the sieve mesh and diminish in proper order first filter, second filter and third filter, and finest phosphor powder falls to the guide plate of bottom.

Further, the screening case is connected with the first filter plate, the second filter plate and the third filter plate through the pivot installation on one side before, screening case inboard bottom fixedly connected with guide plate, guide plate and first filter plate, second filter plate, third filter front end all are provided with hierarchical discharging channel, and control assembly, a plurality of filter screens of linkage lower extreme produce the slope along the pivot, and the phosphor powder after grading is along the slope, and the ejection of compact from different hierarchical discharging channel.

Further, the control assembly comprises a control shaft, a wire wheel, a pull rope, a baffle and a balancing weight, a hand wheel with a self-locking structure is arranged at the right end of the control shaft, the wire wheel which is bilaterally symmetrical is fixedly connected to the outer side of the control shaft, the hand wheel is rotated, the control shaft drives the wire wheel which is symmetrical to rotate, and the pull rope is wound.

Further, the stay cord is installed in the reel outside, the baffle that the stay cord outside fixedly connected with equidistance was distributed, stay cord lower extreme fixedly connected with balancing weight, the stay cord lower extreme is provided with baffle and balancing weight and can link the filter plate and slope.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the screening device disclosed by the utility model, the stacked fluorescent powder raw materials are uniformly spread by utilizing the distribution assembly, so that the fluorescent powder is prevented from being stacked, the screening is incomplete, meanwhile, the blocking condition is also facilitated in the subsequent screening, the screening box is driven by a plurality of vibrators to vibrate to screen the fluorescent powder raw materials on the inner side, the fluorescent powder raw materials are rapidly classified by a plurality of filter screens with different apertures of the screening assembly, the control assembly is utilized, the plurality of filter screens on the lower end are linked to incline, the classified fluorescent powder is discharged from different channels along the inclined gradient, the screening efficiency is improved, and the screening precision is higher.

Drawings

FIG. 1 is a schematic perspective view of one embodiment of a screening apparatus of the present utility model;

FIG. 2 is a schematic cross-sectional view of one embodiment of a screening apparatus of the present utility model;

FIG. 3 is a schematic view of another angular cross-sectional configuration of one embodiment of a screening apparatus of the present utility model;

FIG. 4 is a schematic view of the discharge of phosphor in an embodiment of the screening apparatus of the present utility model.

The marks in the drawings are: 1. a support base; 2. a screening box; 3. a buffer spring; 5. a vibrator; 6. a feed inlet; 8. a distribution component; 801. a driving motor; 802. a mounting base; 803. a support rod; 804. a silica gel distribution plate; 9. a screen assembly; 901. a first filter plate; 902. a second filter plate; 903. a third filter plate; 904. a deflector; 905. a rotating shaft; 906. a graded discharge channel; 10. a control assembly; 1001. a control shaft; 1002. a wire wheel; 1003. a pull rope; 1004. a baffle; 1005. and (5) balancing weights.

Detailed Description

This concrete embodiment is a multilayer hierarchical screening plant for phosphor powder production, and its three-dimensional structure schematic diagram is shown as fig. 1, and its section structure schematic diagram is shown as fig. 2, and this screening plant includes supporting seat 1, supporting seat 1 upper end is provided with screening case 2, buffer spring 3 is all installed to four corners between supporting seat 1 and the screening case 2, vibrator 5 is all installed at both ends about screening case 2, screening case 2 upper end fixedly connected with has sealed lid's feed inlet 6, distribution subassembly 8 is installed to screening case 2 inboard near upper end, screening subassembly 9 is installed to screening case 2 inboard, control assembly 10 is installed to screening subassembly 9 upper end.

The distribution assembly 8 comprises a driving motor 801, a mounting seat 802, a supporting rod 803 and a silica gel distribution plate 804, the mounting seat 802 is mounted at the lower end of an output shaft of the driving motor 801, the driving motor 801 is started, the supporting rod 803 mounted on the side face of the mounting seat 802 drives the soft silica gel distribution plate 804 to rotate slowly, the supporting rod 803 is fixedly connected with the rear end of the mounting seat 802, the soft silica gel distribution plate 804 is mounted at the lower end of the supporting rod 803, and stacked fluorescent powder raw materials are evenly spread.

Meanwhile, the screening assembly 9 comprises a first filtering plate 901, a second filtering plate 902, a third filtering plate 903, a guide plate 904, a rotating shaft 905 and a grading discharge channel 906, the first filtering plate 901, the second filtering plate 902 and the third filtering plate 903 are sequentially arranged on the inner side of the screening box 2 from top to bottom, screening holes of the first filtering plate 901, the second filtering plate 902 and the third filtering plate 903 become smaller in sequence, fluorescent powder is graded after passing through the first filtering plate 901, the second filtering plate 902 and the third filtering plate 903 with the screen holes becoming smaller in sequence, the finest fluorescent powder falls to the guide plate 904 at the bottom, the screening box 2 is connected with the first filtering plate 901, the second filtering plate 902 and the third filtering plate 903 through the rotating shaft 905 in an installation mode, the guide plate 904 is fixedly connected with the guide plate 904 at the bottom of the inner side of the screening box 2, the grading discharge channel 906 is respectively arranged at the front ends of the first filtering plate 901, the second filtering plate 902 and the third filtering plate 903, the control assembly 10 is inclined along the rotating shaft 905, and the graded fluorescent powder is graded along the gradient discharge channel.

In addition, the control assembly 10 comprises a control shaft 1001, a wire wheel 1002, a pull rope 1003, a baffle 1004 and a balancing weight 1005, a hand wheel with a self-locking structure is mounted at the right end of the control shaft 1001, the wire wheel 1002 which is bilaterally symmetrical is fixedly connected to the outer side of the control shaft 1001, the hand wheel is rotated, the control shaft 1001 drives the wire wheel 1002 which is symmetrical to rotate, the pull rope 1003 is wound up, the pull rope 1003 is mounted on the outer side of the wire wheel 1002, the baffle 1004 which is equidistantly distributed is fixedly connected to the outer side of the pull rope 1003, the balancing weight 1005 is fixedly connected to the lower end of the pull rope 1003, and the baffle 1004 and the balancing weight 1005 are arranged at the lower end of the pull rope 1003 and can be linked to the filter plate to incline.

Another angular cross-sectional structure of the screening device is shown in FIG. 3, and a fluorescent powder discharge schematic diagram is shown in FIG. 4.

When the screening device of the technical scheme is used, fluorescent powder raw materials are thrown into the inner side of the screening box 2 through the feeding hole 6, the top end of the screening assembly 9 is reached, the driving motor 801 of the distribution assembly 8 is started, the support rods 803 mounted on the side surfaces of the mounting seats 802 drive the soft silica gel distribution plates 804 to slowly rotate, the stacked fluorescent powder raw materials are evenly spread, the screening box 2 is driven by the vibrators 5 to vibrate to screen the fluorescent powder raw materials on the inner side, the fluorescent powder is classified after passing through the first filter plate 901, the second filter plate 902 and the third filter plate 903, the fluorescent powder sequentially becomes smaller, the finest fluorescent powder falls to the guide plate 904 at the bottom end, after screening is finished, the bidirectional self-locking hand wheel of the control assembly 10 is rotated, the control shaft 1001 drives the symmetrical wire wheels 1002 to rotate, the pull ropes 1003 are wound, the baffle plates 1004 and the balancing weights 1005 can be linked, the classified fluorescent powder can incline along the inclined grades, and the classified fluorescent powder can be discharged from different classification discharging channels 906.

Claims (7)

1. The utility model provides a multilayer hierarchical screening plant is used in phosphor powder production, this screening plant includes supporting seat (1), its characterized in that, supporting seat (1) upper end is provided with screening case (2), buffer spring (3) are all installed to four corners between supporting seat (1) and screening case (2), vibrator (5) are all installed at both ends about screening case (2), screening case (2) upper end fixedly connected with has sealed feed inlet (6) that covers, screening case (2) inboard is leaned on one end and is installed distribution subassembly (8), screening subassembly (9) are installed to screening case (2) inboard, control assembly (10) are installed to screening subassembly (9) upper end.

2. The multi-layer hierarchical screening device for fluorescent powder production according to claim 1, wherein the distribution assembly (8) comprises a driving motor (801), a mounting seat (802), a supporting rod (803) and a silica gel distribution plate (804), and the mounting seat (802) is mounted at the lower end of an output shaft of the driving motor (801).

3. The multi-layer hierarchical screening device for fluorescent powder production according to claim 2, wherein a supporting rod (803) is fixedly connected to the rear end of the mounting seat (802), and a soft silica gel distribution plate (804) is mounted at the lower end of the supporting rod (803).

4. The multi-layer hierarchical screening device for fluorescent powder production according to claim 1, wherein the screening assembly (9) comprises a first filter plate (901), a second filter plate (902), a third filter plate (903), a guide plate (904), a rotating shaft (905) and a hierarchical discharging channel (906), the first filter plate (901), the second filter plate (902) and the third filter plate (903) are sequentially installed on the inner side of the screening box (2) from top to bottom, and screening holes of the first filter plate (901), the second filter plate (902) and the third filter plate (903) are sequentially smaller.

5. The multi-layer hierarchical screening device for fluorescent powder production according to claim 4, wherein the screening box (2) is connected with the first filter plate (901), the second filter plate (902) and the third filter plate (903) through a rotating shaft (905) in a mounted manner at the front side, a guide plate (904) is fixedly connected to the bottom end of the inner side of the screening box (2), and hierarchical discharging channels (906) are formed in the front ends of the guide plate (904) and the first filter plate (901), the second filter plate (902) and the third filter plate (903).

6. The multi-layer hierarchical screening device for fluorescent powder production according to claim 1, wherein the control assembly (10) comprises a control shaft (1001), a wire wheel (1002), a pull rope (1003), a baffle (1004) and a balancing weight (1005), a hand wheel with a self-locking structure is mounted at the right end of the control shaft (1001), and the wire wheel (1002) which is bilaterally symmetrical is fixedly connected to the outer side of the control shaft (1001).

7. The multi-layer hierarchical screening device for fluorescent powder production according to claim 6, wherein a pull rope (1003) is arranged on the outer side of the wire wheel (1002), baffle plates (1004) distributed at equal intervals are fixedly connected on the outer side of the pull rope (1003), and a balancing weight (1005) is fixedly connected at the lower end of the pull rope (1003).