CN219580483U

CN219580483U - Fluidized bed bottom spraying coating device

Info

Publication number: CN219580483U
Application number: CN202320539338.9U
Authority: CN
Inventors: 王可; 黄庆明
Original assignee: Sichuan Jiama Machinery Manufacturing Co ltd
Current assignee: Sichuan Jiama Machinery Manufacturing Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-08-25
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a fluidized bed bottom spraying coating device, which relates to the technical field of fluidized bed coating and comprises a bottom spraying container, a guide cylinder and a spray gun, wherein the guide cylinder and the spray gun are arranged in the bottom spraying container, the inside of the bottom spraying container is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a lantern ring, the guide cylinder is slidably connected with the lantern ring, the fixing frame is provided with a lifting mechanism for controlling the guide cylinder to lift, the lifting mechanism comprises a screw rod which rotates on the fixing frame, the screw rod is in threaded connection with a sliding block, the top of the sliding block is hinged with a connecting rod through a pin shaft, and the other end of the connecting rod is hinged on the guide cylinder through the pin shaft. The four screws are driven to rotate together through the connecting mechanism, so that the four sliding blocks are close to or far away from each other, the guide cylinder is driven to ascend or descend on the lantern ring to be adjusted under the connecting action of the connecting rod, the height value of the guide cylinder is adjusted along with the continuous growth of particles, and the bottom spraying coating effect is optimized.

Description

Fluidized bed bottom spraying coating device

Technical Field

The utility model relates to the technical field of fluidized bed coating, in particular to a fluidized bed bottom spraying coating device.

Background

The differences between the top and bottom sprays of the fluidized bed are: the top spray is used for granulating, the bottom spray is used for coating the pellets, the fluidized bed coating is that all particles are suspended in a fluidized air flow in the fluidization process, the surface is completely exposed, and various coating liquids can be sprayed.

Chinese patent publication No. CN208893177U discloses a fluidized bed bottom spraying device of online sample, its technical scheme main points are including the diffusion section of thick bamboo, set up at the inside draft tube of diffusion section of thick bamboo and at the coating device of diffusion section of thick bamboo bottom, be provided with sampling device on the lateral wall of diffusion section of thick bamboo, sampling device includes the third pipeline that communicates with the diffusion section of thick bamboo, the rigid coupling is in the third pipeline downside and with the fourth pipeline of third pipeline intercommunication, the junction of third pipeline and diffusion section of thick bamboo is formed with the discharge opening, slide in the third pipeline and be provided with the piston rod, the one end of piston rod extends the third pipeline, the other end rigid coupling has the stopper with discharge opening grafting complex, the comparatively convenient and fast's of sample effect has been reached.

However, the inventor of the device considers that certain defects exist, the guide cylinder of the device is fixed with the diffusion cylinder in a certain fixed shape through the connecting plate, and the guide cylinder cannot be adjusted, so that less particles enter the guide cylinder in the same time, and the coating effect is affected; to this end we provide a fluidised bed bottom spray coating device which solves the above problems.

Disclosure of Invention

The utility model aims to make up the defects of the prior art and provides a fluidized bed bottom spraying coating device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a coating device is spouted at bottom of fluidized bed, includes at the bottom of spout the container, install at the bottom spout inside draft tube and the spray gun of container, the inside fixedly connected with mount of container is spouted at the bottom, fixedly connected with lantern ring on the mount, draft tube sliding connection is on the lantern ring, be equipped with the elevating system that control draft tube goes up and down on the mount, elevating system is including rotating the screw rod on the mount, threaded connection has the slider on the screw rod, the top of slider articulates there is the connecting rod through the round pin axle, the other end of connecting rod articulates on the draft tube through the round pin axle, the quantity of screw rod is four, four the screw rod is circumference array's form part on the mount, be equipped with the coupling mechanism that control four screw rods rotated simultaneously on the container is spouted at the bottom.

Further, coupling mechanism is including installing the outer box on the bottom spraying container, four the screw rod all extends to the inside of outer box, four equal fixedly connected with connection bevel gear on the screw rod, the inside rotation of outer box is connected with a rotation section of thick bamboo, drive bevel gear is installed at the top of a rotation section of thick bamboo, drive bevel gear meshes with four connection bevel gears respectively, rotates through a drive rotation section of thick bamboo, drives four screw rods and rotates together under drive bevel gear and four connection bevel gear's meshing effect.

Further, the rotating cylinder is rotationally connected to the inside of the outer box through the bearing, a sealing ring is installed between the rotating connection position of the screw rod and the bottom spraying container, and the sealing performance of the connection position of the screw rod and the bottom spraying container is improved through the sealing ring.

Further, the bottom of outer case is the opening form, be equipped with anti-skidding line on the section of thick bamboo that rotates, be convenient for drive through setting up anti-skidding line and rotate a section of thick bamboo.

Further, the bottom of the bottom spraying container is provided with a spray gun fixing cover, the spray gun is arranged on the spray gun fixing cover, a distribution plate is arranged between the spray gun fixing cover and the bottom spraying container, a spray head of the spray gun is arranged on the distribution plate, air flow blows into the bottom of the spray gun fixing cover through a through hole in the distribution plate to blow into the bottom spraying container, and particle medicines are blown up and coating liquid sprayed out through the spray gun spray head coats the blown medicines.

Furthermore, a space ring is arranged on the distribution plate, and a spray head of the spray gun is arranged in the space ring.

Further, threaded connection has adjusting screw on the outer box, extrusion piece is installed to adjusting screw's one end, extrusion piece with rotate a section of thick bamboo and offset tightly, drive extrusion piece through rotating adjusting screw and be close to a section of thick bamboo that rotates, prevent to rotate a section of thick bamboo through extrusion piece tight a section of thick bamboo that rotates.

Compared with the prior art, the fluidized bed bottom spraying coating device has the following beneficial effects:

1. according to the utility model, the four screws are driven to rotate together through the connecting mechanism, so that the four sliding blocks are mutually close to or far away from each other, the guide cylinder is driven to ascend or descend on the lantern ring to be adjusted under the connecting action of the connecting rod, the height value of the guide cylinder is adjusted along with the continuous growth of particles, and the bottom spraying coating effect is optimized.

2. According to the utility model, the four screws are driven to rotate together under the meshing action of the driving bevel gears and the four connecting bevel gears by the rotating cylinder, the adjustment is simple and convenient, the extrusion block at one end of the adjusting screw is made to approach the rotating cylinder by rotating the adjusting screw after the adjustment is finished, and the rotating cylinder is limited to rotate by abutting the extrusion block against the rotating cylinder.

Drawings

FIG. 1 is a perspective view of a guide cylinder structure of the present utility model;

FIG. 2 is an external perspective view of the present utility model;

FIG. 3 is a cross-sectional view of the structure of the present utility model;

FIG. 4 is a perspective view showing the structure of a driving bevel gear according to the present utility model;

fig. 5 is an enlarged schematic view of a portion a in fig. 3.

In the figure: 1. a bottom spraying container; 11. a fixing frame; 12. a collar; 2. a spray gun fixing cover; 3. a spray gun; 4. a distribution plate; 41. a spacer ring; 5. a screw; 51. a slide block; 52. a connecting rod; 53. connecting a bevel gear; 6. a guide cylinder; 7. an outer case; 71. adjusting a screw; 8. a rotating cylinder; 81. and driving a bevel gear.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

The embodiment provides a fluidized bed bottom spraying coating device, the device drives four screw rods 5 to rotate together through a connecting mechanism, so that four sliding blocks 51 are close to or far away from each other, a guide cylinder 6 is driven to ascend or descend on a lantern ring 12 to be adjusted under the connecting action of a connecting rod 52, the height value of the guide cylinder 6 is adjusted along with the continuous growth of particles, and the bottom spraying coating effect is optimized.

Referring to fig. 1 to 5, a fluidized bed bottom spray coating device comprises a bottom spray container 1, a guide cylinder 6 and a spray gun 3, wherein the guide cylinder 6 and the spray gun 3 are installed in the bottom spray container 1, a fixing frame 11 is fixedly connected to the bottom spray container 1, a lantern ring 12 is fixedly connected to the fixing frame 11, the guide cylinder 6 is slidably connected to the lantern ring 12, a spray gun fixing cover 2 is installed at the bottom of the bottom spray container 1, the spray gun 3 is installed on the spray gun fixing cover 2, a distribution plate 4 is installed between the spray gun fixing cover 2 and the bottom spray container 1, a spray head of the spray gun 3 is installed on the distribution plate 4, air flow blows into the bottom spray container 1 through holes in the distribution plate 4 through the bottom of the spray gun fixing cover 2, particle medicines are blown up and coating liquid sprayed out through the spray head of the spray gun 3 is used for coating the blown up medicines, a spacer 41 is installed on the distribution plate 4, and the spray head of the spray gun 3 is arranged in the spacer 41.

The lifting mechanism for controlling the guide cylinder 6 to lift is arranged on the fixing frame 11 and comprises screw rods 5 which rotate on the fixing frame 11, sliding blocks 51 are connected to the screw rods 5 in a threaded mode, connecting rods 52 are hinged to the tops of the sliding blocks 51 through pin shafts, the other ends of the connecting rods 52 are hinged to the guide cylinder 6 through pin shafts, the number of the screw rods 5 is four, and the four screw rods 5 are arranged on the fixing frame 11 in a circumferential array mode.

The bottom spraying container 1 is provided with a connecting mechanism for controlling the four screws 5 to rotate simultaneously, the connecting mechanism comprises an outer box 7 arranged on the bottom spraying container 1, the four screws 5 are all extended to the inside of the outer box 7, connecting bevel gears 53 are fixedly connected to the four screws 5, a rotating cylinder 8 is rotatably connected to the inside of the outer box 7, a driving bevel gear 81 is arranged at the top of the rotating cylinder 8, the driving bevel gears 81 are respectively meshed with the four connecting bevel gears 53 and rotate through the driving rotating cylinder 8, the four screws 5 are driven to rotate together under the meshing action of the driving bevel gears 81 and the four connecting bevel gears 53, the rotating cylinder 8 is rotatably connected to the inside of the outer box 7 through bearings, sealing rings are arranged between the rotating connection positions of the screws 5 and the bottom spraying container 1, and the sealing performance of the connection positions of the screws 5 and the bottom spraying container 1 is improved through the arrangement of the sealing rings.

The bottom of outer case 7 is the opening form, is equipped with the anti-skidding line on the section of thick bamboo 8 that rotates, is convenient for drive through setting up anti-skidding line and rotates section of thick bamboo 8 and rotate, and threaded connection has adjusting screw 71 on the outer case 7, and extrusion piece is installed to the one end of adjusting screw 71, and extrusion piece offsets tightly with section of thick bamboo 8, drives extrusion piece through rotating adjusting screw 71 and is close to section of thick bamboo 8 that rotates, supports tightly section of thick bamboo 8 through extrusion piece and prevents to rotate section of thick bamboo 8 rotation.

Working principle: the air current blows into the inside of bottom spraying container 1 through the through-hole on the fixed cover 2 of spray gun through distributing plate 4, blow up granule medicament and carry out the coating processing through spray gun 3 shower nozzle spun coating liquid to the medicament of blowing up, make the extrusion piece keep away from rotary drum 8 through rotating adjusting screw 71, thereby make rotary drum 8 can free rotation, drive four screw rods 5 through rotary drum 8 under the meshing effect of drive bevel gear 81 and four connection bevel gears 53 and rotate together, thereby control four slider 51 and be close to each other or keep away from each other, control guide drum 6 and go on the lift slip in the inside of lantern ring 12 under the connection effect of connecting rod 52, along with the continuous growth of granule, adjust the height value of guide drum 6, the bottom spraying coating effect has been optimized, make the extrusion piece be close to rotary drum 8 through rotating adjusting screw 71 after the adjustment and make the extrusion piece press tightly rotary drum 8, restrict the rotation of rotary drum 8.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a coating device is spouted at bottom of fluidized bed, includes at the bottom of spout container (1), install guide cone (6) and spray gun (3) in the inside of bottom spout container (1), its characterized in that: the inside fixedly connected with mount (11) of container (1) is spouted at the end, fixedly connected with lantern ring (12) on mount (11), guide cylinder (6) sliding connection is on lantern ring (12), be equipped with the elevating system that control guide cylinder (6) go up and down on mount (11), elevating system is including rotating screw rod (5) on mount (11), threaded connection has slider (51) on screw rod (5), the top of slider (51) articulates through the round pin axle has connecting rod (52), the other end of connecting rod (52) articulates on guide cylinder (6) through the round pin axle, the quantity of screw rod (5) is four, four screw rod (5) are the form part of circumference array on mount (11), spout and be equipped with the coupling mechanism of four screw rods (5) of control simultaneously pivoted on container (1).

2. A fluid bed bottom spray coating device according to claim 1, wherein: the connecting mechanism comprises an outer box (7) arranged on a bottom spraying container (1), four screw rods (5) are all extended to the inside of the outer box (7), connecting bevel gears (53) are fixedly connected to the screw rods (5), a rotating cylinder (8) is rotatably connected to the inside of the outer box (7), a driving bevel gear (81) is arranged at the top of the rotating cylinder (8), and the driving bevel gears (81) are respectively meshed with the four connecting bevel gears (53).

3. A fluid bed bottom spray coating device according to claim 2, wherein: the rotary cylinder (8) is rotationally connected inside the outer box (7) through a bearing, and a sealing ring is arranged between the rotary connection part of the screw (5) and the bottom spraying container (1).

4. A fluid bed bottom spray coating device according to claim 2, wherein: the bottom of the outer box (7) is in an opening shape, and the rotating cylinder (8) is provided with anti-skid patterns.

5. A fluid bed bottom spray coating device according to claim 2, wherein: the outer box (7) is connected with an adjusting screw (71) in a threaded mode, an extrusion block is mounted at one end of the adjusting screw (71), and the extrusion block is abutted to the rotating cylinder (8).

6. A fluid bed bottom spray coating device according to claim 1, wherein: the bottom of the bottom spraying container (1) is provided with a spray gun fixing cover (2), a spray gun (3) is arranged on the spray gun fixing cover (2), a distribution plate (4) is arranged between the spray gun fixing cover (2) and the bottom spraying container (1), and a spray head of the spray gun (3) is arranged on the distribution plate (4).

7. A fluid bed bottom spray coating device according to claim 6, wherein: and a space ring (41) is arranged on the distribution plate (4), and a spray head of the spray gun (3) is arranged in the space ring (41).