CN111871524B

CN111871524B - Luminescent phosphor and preparation method and preparation system thereof

Info

Publication number: CN111871524B
Application number: CN202010765155.XA
Authority: CN
Inventors: 王文超
Original assignee: Yantai Shield Materials Technology Co ltd
Current assignee: YANTAI SHIELD MATERIALS TECHNOLOGY Co.,Ltd.
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-08-06
Anticipated expiration: 2040-08-03
Also published as: CN111871524A

Abstract

The invention relates to the field of fluorescent powder preparation, in particular to luminescent fluorescent powder and a preparation method and a preparation system thereof. A method for preparing fluorescent powder by a luminescent fluorescent powder preparation system comprises the following steps: s1: placing raw materials to be rolled in a raw material box, jacking the rear part of the raw material box, sliding the raw materials out of the two blanking ports, and respectively dropping the raw materials sliding out of the two blanking ports on the two material sliding plates; s2: raw materials enter the rectangular cylinder along the two sliding material plates and fall on the two rolling backing plates from the two rectangular cylinders respectively; s3: the middle block slides up and down to drive the two rolling wheel frames and the two rolling wheels to slide up and down, so that the two rolling wheels roll on the two rolling backing plates respectively to roll the raw materials; s4: raw materials falling from the two rolling backing plates fall on the lower grinding disc, the friction wheel drives the lower grinding disc to rotate, the upper grinding disc and the lower grinding disc grind the raw materials, and the raw materials are ground into powder; s5: the powder feedstock falls from the discharge tube onto the upper side of the heating plate.

Description

Luminescent phosphor and preparation method and preparation system thereof

Technical Field

The invention relates to the field of fluorescent powder preparation, in particular to luminescent fluorescent powder and a preparation method and a preparation system thereof.

Background

The invention discloses a preparation method of superfine fluorescent powder with application number CN201410374048.9, and relates to a preparation method of fluorescent powder, in particular to a preparation method of superfine fluorescent powder, which comprises the steps of taking Y2O3 and Eu2O3 as raw materials, adding BaCl2 and H3BO3 as fluxing agents, calcining the raw materials at high temperature, crushing, cleaning, coating, centrifugally dewatering and drying screened slurry to obtain the superfine fluorescent powder. The preparation method of the superfine fluorescent powder provided by the invention adopts a high-temperature solid phase method, has simple equipment, low operation cost and short synthesis period, and does not need to use substances harmful to human bodies, such as strong acid, alkoxide and the like. After Al2O3 or SiO2 is adopted for coating, secondary agglomeration of the fluorescent powder is avoided, and the effect of repairing the surface defects of the crystal is achieved, so that the superfine fluorescent powder with reduced attenuation, high brightness and good dispersibility is obtained. However, the invention cannot prepare the fluorescent powder by fine rolling.

Disclosure of Invention

The invention provides a luminescent phosphor preparation system, which has the beneficial effect that the luminescent phosphor can be prepared through fine rolling.

The invention relates to the field of fluorescent powder preparation, in particular to a luminescent fluorescent powder and a preparation method and a preparation system thereof.

Both ends all are provided with the backing plate that rolls about the crossbeam, and two backing plates that roll are the symmetry setting on the crossbeam, and two upper end intervals that roll the backing plate are greater than two lower extreme intervals that roll the backing plate, and the both ends are all articulated to be connected with the wheel frame of rolling about the middlings, and the lower extreme of two wheel frames of rolling all rotates and is connected with the rolling wheel, and two rolling wheels contact with two medial surfaces that roll the backing plate respectively, two equal fixedly connected with round bars in upper portion of wheel frame of rolling, and both ends difference fixed connection is on two round bars about the arc spring.

The preparation system of the luminescent phosphor powder further comprises an upright post, a flat bar, an electric push rod and an upright slide bar, wherein the upright post is fixedly connected to the upper side of the middle block, the upright slide bar is vertically and slidably connected to the middle of the cross beam, the front end and the rear end of the flat bar are respectively and fixedly connected to the upper portions of the upright post and the upright slide bar, the electric push rod is fixedly connected to the middle of the cross beam, and the movable end of the electric push rod is fixedly connected to the lower side of the flat bar.

The luminous phosphor powder preparation system further comprises a sliding groove, sliding columns and a transverse arm, the upper portions of the two rolling backing plates are connected to the transverse beam in a hinged mode, the rear sides of the two rolling backing plates are provided with sliding grooves, the lower portion of the vertical sliding rod is fixedly connected to the middle of the transverse arm, the sliding columns are fixedly connected to the left end and the right end of the transverse arm, and the two sliding columns are respectively connected to the two sliding grooves in a sliding mode.

The preparation system of the luminescent fluorescent powder further comprises material sliding plates, rectangular cylinders and supports, wherein one material sliding plate is arranged on each of the left side and the right side of each rectangular cylinder, the supports are fixedly connected to the rear portions of the two rectangular cylinders, the supports are fixedly connected to the cross beam, the material sliding plates are fixedly connected to the upper portions of the two rectangular cylinders, the two material sliding plates are obliquely arranged, and the distance between the upper ends of the two material sliding plates is smaller than the distance between the lower ends of the two material sliding plates.

The preparation system of the luminescent fluorescent powder further comprises a jacking column, a raw material box, blanking ports, an articulated frame and a triangular bottom surface, wherein the articulated frame is fixedly connected to the front sides of the two sliding plates, the front part of the raw material box is articulated to be connected to the articulated frame, the inner side lower part of the raw material box is provided with the triangular bottom surface, the high two sides of the middle part of the triangular bottom surface are low, the blanking ports are arranged on the left side and the right side of the front part of the raw material box, the two blanking ports are respectively positioned above the two sliding plates, the jacking column is fixedly connected to the upper part of the vertical sliding rod, and the jacking column is positioned on the lower side of the rear part of the raw material box.

The preparation system of the luminescent fluorescent powder further comprises vertical slide rails, stop doors and door-shaped frames, the vertical slide rails are arranged on the left side and the right side of the raw material box, the stop doors are connected to the two vertical slide rails in a vertical sliding mode, the two stop doors are located at the two blanking openings respectively, the stop doors are fixedly connected to the vertical slide rails in a screw pressing mode, and the door-shaped frames are fixedly connected between the two stop doors.

Luminous phosphor powder preparation system is still including stretching the axle, the chassis, the bracing piece, the hinge bar, the square column, qianmen and hot plate, the axle is stretched to the left side fixedly connected with of jack-up post, the equal fixedly connected with bracing piece in both ends about the chassis, both ends difference fixed connection is on two bracing pieces about the crossbeam, the articulated connection of rear portion at the hot plate is between the lower part of two bracing pieces, the front side of hot plate is connected with the qianmen through screw detachable, the downside of hot plate is provided with the heating wire, the rear end fixedly connected with square column of hot plate, the lower extreme of hinge bar articulates the rear end at the square column, the upper end rotation of hinge bar is connected and is being stretched epaxially.

The luminescent phosphor preparation system further comprises a grinding disc frame, a friction wheel, a lower grinding disc, a discharge pipe and an upper grinding disc, wherein the rear part of the grinding disc frame is fixedly connected to the bottom frame, the upper grinding disc is fixedly connected to the grinding disc frame, the discharge pipe is arranged in the middle of the lower side of the lower grinding disc, the discharge pipe is rotatably connected to the grinding disc frame, the grinding disc is located on the upper side of the lower grinding disc, the friction wheel driven by a motor is arranged on the grinding disc frame, the friction wheel is in friction transmission with the rear side of the lower grinding disc, the lower grinding disc is located below two grinding base plates, and the discharge pipe is located above the heating plate.

A method for preparing fluorescent powder by a luminescent fluorescent powder preparation system comprises the following steps:

s1: placing raw materials to be rolled in a raw material box, jacking the rear part of the raw material box, sliding the raw materials out of the two blanking ports, and respectively dropping the raw materials sliding out of the two blanking ports on the two material sliding plates;

s2: raw materials enter the rectangular cylinder along the two sliding material plates and fall on the two rolling backing plates from the two rectangular cylinders respectively;

s3: the middle block slides up and down to drive the two rolling wheel frames and the two rolling wheels to slide up and down, so that the two rolling wheels roll on the two rolling backing plates respectively to roll the raw materials;

s4: raw materials falling from the two rolling backing plates fall on the lower grinding disc, the friction wheel drives the lower grinding disc to rotate, the upper grinding disc and the lower grinding disc grind the raw materials, and the raw materials are ground into powder;

s5: the powder feedstock falls from the discharge tube onto the upper side of the heating plate, which heats the feedstock.

The fluorescent powder prepared by the luminescent fluorescent powder preparation system comprises the following raw materials in parts by weight: 1 part of yttrium oxide, 1 part of aluminate aluminum and 1 part of barium magnesium carbonate.

The preparation system of the luminescent phosphor powder has the beneficial effects that:

the invention relates to a luminescent phosphor preparation system, which can prepare phosphor through fine rolling.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of an overall structure of a phosphor preparation system according to the present invention;

FIG. 2 is a schematic diagram of an overall structure of a phosphor preparation system according to the present invention;

FIG. 3 is a first block diagram;

FIG. 4 is a second block diagram;

FIG. 5 is a schematic structural view of a cross beam;

FIG. 6 is a schematic structural view of a material sliding plate;

FIG. 7 is a first schematic view of the feed tank configuration;

FIG. 8 is a second schematic view of the feed tank configuration;

FIG. 9 is a first view illustrating the structure of the chassis;

FIG. 10 is a second schematic view of the structure of the chassis;

FIG. 11 is a first schematic view of a polishing platen holder;

fig. 12 is a second schematic structural view of the grinding plate holder.

In the figure: a middle block 1; a vertical post 101; a round bar 102; a rolling wheel carrier 103; a rolling wheel 104; an arc spring 105; a cross beam 2; a jack-up post 201; a flat bar 202; an electric push rod 203; a vertical slide bar 204; an extension shaft 205; rolling the backing plate 206; a chute 207; a sliding cylinder 208; a cross arm 209; a material sliding plate 3; a rectangular barrel 301; a bracket 302; a raw material tank 4; a vertical slide rail 401; a shutter 402; a blanking port 403; an articulated frame 404; a gantry 405; a triangular bottom surface 406; a chassis 5; a support bar 501; a hinge lever 502; a square column 503; a front door 504; a heating plate 505; grinding the disc frame 6; a friction wheel 601; a lower abrasive disk 602; a discharge pipe 603; an upper abrasive disk 604.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The first embodiment is as follows:

the present invention is described below with reference to fig. 1 to 12, and the present invention relates to the field of phosphor preparation, and more specifically to a phosphor, a method and a system for preparing the same, which includes a middle block 1, a round bar 102, a rolling wheel frame 103, a rolling wheel 104, an arc spring 105, a cross beam 2, and a rolling pad 206.

Crossbeam 2 all is provided with about both ends and rolls backing plate 206, two roll backing plate 206 symmetry settings on crossbeam 2, two upper end intervals that roll backing plate 206 are greater than two lower extreme intervals that roll backing plate 206, the equal articulated grinding wheel carrier 103 that is connected with in both ends about well piece 1, the lower extreme of two grinding wheel carriers 103 all rotates and is connected with grinding wheel 104, two grinding wheel 104 contact with two medial surfaces that roll backing plate 206 respectively, the equal fixedly connected with round bar 102 in upper portion of two grinding wheel carriers 103, both ends difference fixed connection is on two round bars 102 about arc spring 105. Pour the raw materials into from two slow quantitives of backing plate 206 upper portions that roll, well 1 slides from top to bottom and drives two rolling wheel carriers 103 and two rolling wheels 104 and slide from top to bottom, make two rolling wheels 104 roll to the raw materials on two rolling backing plates 206 respectively, be convenient for the grinding on raw materials on next step, because two upper end intervals of rolling backing plate 206 are greater than two lower extreme intervals of rolling backing plate 206, and then make the interval of two rolling wheels 104 slowly diminish, arc spring 105 gives two rolling wheel carriers 103 and two rolling wheel 104 alternate segregation's power, make two rolling wheels 104 all the time the power press and roll the raw materials at two rolling backing plates 206, two rolling wheels 104 move down the rolling force more greatly more.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 12, the luminescent phosphor preparation system further includes a vertical post 101, a flat bar 202, an electric push rod 203 and a vertical slide rod 204, the vertical post 101 is fixedly connected to the upper side of the middle block 1, the vertical slide rod 204 is vertically slidably connected to the middle portion of the cross beam 2, the front end and the rear end of the flat bar 202 are respectively fixedly connected to the upper portions of the vertical post 101 and the vertical slide rod 204, the middle portion of the cross beam 2 is fixedly connected to the electric push rod 203, and the movable end of the electric push rod 203 is fixedly connected to the lower side of the flat bar 202. When the electric push rod 203 extends, the vertical slide rod 204 can be driven to slide on the cross beam 2, so as to drive the flat bar 202 and the vertical column 101 to move up and down, further drive the middle block 1 and the two rolling wheels 104 to move up and down, and the two rolling wheels 104 move up and down to roll.

The third concrete implementation mode:

the present embodiment is described below with reference to fig. 1 to 12, the luminescent phosphor preparation system further includes a sliding groove 207, a sliding column 208, and a cross arm 209, the upper portions of the two rolling pads 206 are connected to the cross beam 2 in a hinged manner, the sliding groove 207 is disposed on the rear side of each of the two rolling pads 206, the lower portion of the vertical sliding rod 204 is fixedly connected to the middle portion of the cross arm 209, the sliding column 208 is fixedly connected to both left and right ends of the cross arm 209, and the two sliding columns 208 are respectively slidably connected to the two sliding grooves 207. When the vertical sliding rod 204 slides up and down, the movable cross arm 209 and the two sliding columns 208 also move up and down, so that the lower ends of the two rolling backing plates 206 are driven to be close to or far away from each other, and the lower parts of the two rolling backing plates 206 are closed when the two rolling wheels 104 move up, so that raw materials are prevented from leaking from the two rolling backing plates 206; when the two rolling wheels 104 move downwards for rolling, the lower parts of the two rolling backing plates 206 are opened, so that the rolled raw materials can slide down.

The fourth concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 12, the luminescent phosphor preparation system further includes a slip plate 3, two rectangular cylinders 301 and supports 302, the number of the slip plates is set on the left and right of each rectangular cylinder 301, the supports 302 are fixedly connected to the rear portions of the two rectangular cylinders 301, the two supports 302 are fixedly connected to the cross beam 2, the slip plates 3 are fixedly connected to the upper portions of the two rectangular cylinders 301, the two slip plates 3 are inclined, and the distance between the upper ends of the two slip plates 3 is smaller than the distance between the lower ends of the two slip plates 3. When the raw materials are poured into the two rolling backing plates 206, the raw materials are poured onto the two sliding plates 3, enter the rectangular cylinder 301 along the two sliding plates 3, and fall onto the two rolling backing plates 206 from the two rectangular cylinders 301, so that the raw materials slide down along the two rolling backing plates 206 and move to the gap between the rolling wheel 104 and the rolling backing plates 206 to roll the raw materials.

The fifth concrete implementation mode:

the present embodiment is described below with reference to fig. 1 to 12, the system for preparing phosphor powder further includes a jacking column 201, a raw material box 4, a blanking port 403, an articulated frame 404 and a triangular bottom surface 406, the articulated frame 404 is fixedly connected to the front sides of the two sliding plates 3, the front portion of the raw material box 4 is articulated to the articulated frame 404, the triangular bottom surface 406 is arranged on the lower portion of the inner side of the raw material box 4, the high sides and the low sides of the middle portion of the triangular bottom surface 406 are both provided with the blanking port 403, the two blanking ports 403 are respectively located above the two sliding plates 3, the jacking column 201 is fixedly connected to the upper portion of the vertical sliding rod 204, and the jacking column 201 is located on the lower side of the rear portion of the raw material box 4. The vertical sliding rod 204 can drive the jacking column 201 to move upwards while moving upwards, the jacking column 201 can jack up the rear part of the raw material box 4 by moving upwards, raw materials to be rolled are placed in the raw material box 4, the raw material box 4 is usually in an inclined state with a low rear end, and at this time, the raw materials cannot leak out. The discharge of the raw material is stopped when the raw material tank 4 is returned to the inclined state with the rear end lowered as the vertical slide bar 204 moves downward.

The sixth specific implementation mode:

the embodiment is described below with reference to fig. 1 to 12, the luminescent phosphor preparation system further includes vertical slide rails 401, shutters 402, and door-shaped frames 405, the vertical slide rails 401 are disposed on both sides of the raw material tank 4, the shutters 402 are vertically and slidably connected to the two vertical slide rails 401, the two shutters 402 are respectively located at two blanking ports 403, the shutters 402 are fixedly connected to the vertical slide rails 401 by means of screw compression, and the door-shaped frames 405 are fixedly connected between the two shutters 402. The door-shaped frame 405 can control the two stop doors 402 to slide on the two vertical slide rails 401, so as to adjust the sizes of the two blanking ports 403, and further adjust the blanking amount of the two blanking ports 403 each time.

The seventh embodiment:

this embodiment is described below with reference to fig. 1 to 12, the luminescent phosphor preparation system further includes an extension shaft 205, the chassis 5, support rods 501, hinge rods 502, a square column 503, a front door 504 and a heating plate 505, the left side fixedly connected with of the jack-up column 201 extends the shaft 205, the support rods 501 are fixedly connected to both ends of the chassis 5, both ends of the cross beam 2 are respectively fixedly connected to the two support rods 501, the rear portion of the heating plate 505 is hinged between the lower portions of the two support rods 501, the front side of the heating plate 505 is detachably connected with the front door 504 through screws, the lower side of the heating plate 505 is provided with heating wires, the rear end of the heating plate 505 is fixedly connected with the square column 503, the lower end of the hinge rod 502 is hinged to the rear end of the square column 503, and the upper end of the hinge rod 502 is rotatably connected to the extension shaft 205.

The specific implementation mode is eight:

the present embodiment is described below with reference to fig. 1 to 12, the luminescent phosphor preparation system further includes a grinding disk holder 6, a friction wheel 601, a lower grinding disk 602, a discharge pipe 603, and an upper grinding disk 604, a rear portion of the grinding disk holder 6 is fixedly connected to the bottom chassis 5, the upper grinding disk 604 is fixedly connected to the grinding disk holder 6, the discharge pipe 603 is disposed in a middle portion of a lower side of the lower grinding disk 602, the discharge pipe 603 is rotatably connected to the grinding disk holder 6, the grinding disk 604 is disposed on an upper side of the lower grinding disk 602, the grinding disk holder 6 is provided with the friction wheel 601 driven by a motor, the friction wheel 601 is in friction transmission with a rear side of the lower grinding disk 602, the lower grinding disk 602 is disposed below the two rolling pads 206, and the discharge pipe 603 is disposed above the heating plate 505. Raw materials falling from the two rolling backing plates 206 fall on the lower grinding disc 602, the friction wheel 601 drives the lower grinding disc 602 to rotate, the upper grinding disc 604 and the lower grinding disc 602 grind the raw materials, the raw materials are ground into powder, then the powder raw materials fall from the discharge pipe 603 and fall on the upper side of the heating plate 505, and the heating plate 505 heats the raw materials; when the flat bar 202 and the jacking column 201 move up and down, the extension shaft 205 can be driven to move up and down, and when the extension shaft 205 moves up and down, the hinge rod 502 can drive the heating plate 505 to swing back and forth, so that the powder raw material continuously slides back and forth on the heating plate 505, and the raw material is further sufficiently heated. The manufactured phosphor can be discharged after the front door 504 is removed.

s1: placing the raw materials to be rolled in the raw material box 4, jacking the rear part of the raw material box 4, sliding the raw materials out of the two blanking ports 403, and respectively dropping the raw materials sliding out of the two blanking ports 403 on the two material sliding plates 3;

s2: raw materials enter the rectangular cylinder 301 along the two sliding material plates 3 and fall on the two rolling backing plates 206 from the two rectangular cylinders 301 respectively;

s3: the middle block 1 slides up and down to drive the two rolling wheel frames 103 and the two rolling wheels 104 to slide up and down, so that the two rolling wheels 104 respectively roll on the two rolling backing plates 206 to roll the raw materials;

s4: raw materials falling from the two rolling backing plates 206 fall on the lower grinding disc 602, the friction wheel 601 drives the lower grinding disc 602 to rotate, the upper grinding disc 604 and the lower grinding disc 602 grind the raw materials, and the raw materials are ground into powder;

s5: the powdery raw material falls from the discharge pipe 603 onto the upper side of the heating plate 505, and the heating plate 505 heats the raw material.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a luminous phosphor preparation system, includes midblock (1), round bar (102), rolling wheel frame (103), rolling wheel (104), arc spring (105), crossbeam (2) and rolling backing plate (206), its characterized in that: the grinding backing plates (206) are arranged at the left end and the right end of the cross beam (2), the two grinding backing plates (206) are symmetrically arranged on the cross beam (2), the distance between the upper ends of the two grinding backing plates (206) is larger than the distance between the lower ends of the two grinding backing plates (206), the left end and the right end of the middle block (1) are hinged with grinding wheel frames (103), the lower ends of the two grinding wheel frames (103) are rotatably connected with grinding wheels (104), the two grinding wheels (104) are respectively contacted with the inner side surfaces of the two grinding backing plates (206), round rods (102) are respectively fixedly connected to the upper parts of the two grinding wheel frames (103), and the left end and the right end of the arc-shaped spring (105) are respectively fixedly connected to the two round rods (102);

the preparation system of the luminescent fluorescent powder further comprises a vertical column (101), a flat bar (202), an electric push rod (203) and a vertical slide bar (204), wherein the vertical column (101) is fixedly connected to the upper side of the middle block (1), the vertical slide bar (204) is vertically and slidably connected to the middle of the cross beam (2), the front end and the rear end of the flat bar (202) are respectively and fixedly connected to the upper parts of the vertical column (101) and the vertical slide bar (204), the electric push rod (203) is fixedly connected to the middle of the cross beam (2), and the movable end of the electric push rod (203) is fixedly connected to the lower side of the flat bar (202);

the preparation system of the luminescent fluorescent powder further comprises a sliding groove (207), sliding columns (208) and a cross arm (209), the upper parts of the two rolling backing plates (206) are connected to the cross beam (2) in a hinged mode, the sliding grooves (207) are formed in the rear sides of the two rolling backing plates (206), the lower part of the vertical sliding rod (204) is fixedly connected to the middle part of the cross arm (209), the sliding columns (208) are fixedly connected to the left end and the right end of the cross arm (209), and the two sliding columns (208) are respectively connected to the two sliding grooves (207) in a sliding mode;

the preparation system of the luminescent fluorescent powder further comprises material sliding plates (3), rectangular cylinders (301) and supports (302), wherein one material sliding plate is arranged on each of the left side and the right side of each rectangular cylinder (301), the supports (302) are fixedly connected to the rear parts of the two rectangular cylinders (301), the two supports (302) are fixedly connected to the cross beam (2), the material sliding plates (3) are fixedly connected to the upper parts of the two rectangular cylinders (301), the two material sliding plates (3) are obliquely arranged, and the distance between the upper ends of the two material sliding plates (3) is smaller than the distance between the lower ends of the two material sliding plates (3);

the preparation system of the luminescent fluorescent powder further comprises a jacking column (201), a raw material box (4), blanking ports (403), a hinged frame (404) and a triangular bottom surface (406), wherein the hinged frame (404) is fixedly connected to the front sides of the two sliding plates (3), the front part of the raw material box (4) is hinged to the hinged frame (404), the triangular bottom surface (406) is arranged on the lower part of the inner side of the raw material box (4), the high two sides of the middle part of the triangular bottom surface (406) are low, the blanking ports (403) are arranged on the left side and the right side of the front part of the raw material box (4), the two blanking ports (403) are respectively positioned above the two sliding plates (3), the jacking column (201) is fixedly connected to the upper part of the vertical sliding rod (204), and the jacking column (201) is positioned on the lower side of the rear part of the raw material box (4);

the preparation system of the luminescent fluorescent powder further comprises vertical slide rails (401), stop doors (402) and door-shaped frames (405), wherein the vertical slide rails (401) are arranged on the left side and the right side of the raw material box (4), the stop doors (402) are vertically and slidably connected to the two vertical slide rails (401), the two stop doors (402) are respectively located at the two blanking ports (403), the stop doors (402) are fixedly connected to the vertical slide rails (401) in a screw pressing mode, and the door-shaped frames (405) are fixedly connected between the two stop doors (402);

the luminescent phosphor preparation system also comprises an extension shaft (205), a bottom frame (5), a support rod (501), a hinge rod (502), a square column (503), a front door (504) and a heating plate (505), the left side of the jacking column (201) is fixedly connected with an extending shaft (205), the left end and the right end of the underframe (5) are fixedly connected with supporting rods (501), the left end and the right end of the cross beam (2) are respectively fixedly connected onto the two supporting rods (501), the rear part of the heating plate (505) is hinged between the lower parts of the two supporting rods (501), the front side of the heating plate (505) is detachably connected with a front door (504) through screws, the lower side of the heating plate (505) is provided with an electric heating wire, the rear end of the heating plate (505) is fixedly connected with a square column (503), the lower end of the hinge rod (502) is hinged at the rear end of the square column (503), and the upper end of the hinge rod (502) is rotatably connected onto the extending shaft (205);

the preparation system of the luminescent fluorescent powder further comprises a grinding disc frame (6), a friction wheel (601), a lower grinding disc (602), a discharge pipe (603) and an upper grinding disc (604), the rear part of the grinding disc frame (6) is fixedly connected onto the bottom frame (5), the upper grinding disc (604) is fixedly connected onto the grinding disc frame (6), the middle part of the lower side of the lower grinding disc (602) is provided with the discharge pipe (603), the discharge pipe (603) is rotatably connected onto the grinding disc frame (6), the grinding disc (604) is positioned on the upper side of the lower grinding disc (602), the grinding disc frame (6) is provided with the friction wheel (601) driven by a motor, the friction wheel (601) and the rear side of the lower grinding disc (602) are in friction transmission, the lower grinding disc (602) is positioned below the two rolling base plates (206), and the discharge pipe (603) is positioned above the heating plate (505).

2. The method for preparing phosphor of claim 1, comprising the steps of:

s1: placing raw materials to be rolled in a raw material box (4), jacking the rear part of the raw material box (4), enabling the raw materials to slide out of two blanking ports (403), and enabling the raw materials sliding out of the two blanking ports (403) to fall on two material sliding plates (3) respectively;

s2: raw materials enter the rectangular cylinder (301) along the two sliding material plates (3) and respectively fall on the two rolling backing plates (206) from the two rectangular cylinders (301);

s3: the middle block (1) slides up and down to drive the two rolling wheel frames (103) and the two rolling wheels (104) to slide up and down, so that the two rolling wheels (104) roll on the two rolling base plates (206) respectively to roll the raw materials;

s4: raw materials falling from the two rolling backing plates (206) fall on the lower grinding disc (602), the friction wheel (601) drives the lower grinding disc (602) to rotate, the upper grinding disc (604) and the lower grinding disc (602) grind the raw materials, and the raw materials are ground into powder;

s5: the powdery raw material falls down from the discharge pipe (603) and falls on the upper side of the heating plate (505), and the heating plate (505) heats the raw material.

3. The phosphor prepared by the phosphor preparation system according to claim 2, wherein: the fluorescent powder consists of the following raw materials in parts by weight: 1 part of yttrium oxide, 1 part of aluminate aluminum and 1 part of barium magnesium carbonate.