Medicine coating spraying device capable of uniformly spraying

Abstract

The utility model discloses a medicine coating spraying device with uniform spraying, which comprises a bottom plate, a conveying belt for conveying medicine is fixedly arranged at the top of the bottom plate, a coating box and a drying box are fixedly arranged on the bottom plate above the conveying belt, one side of the coating box is communicated with one side of the drying box, and the other side of the coating box is communicated with the other side of the drying box. The upper spreading shell and the lower spreading shell form a stepped flow guide structure through a communicating groove, tablets are dispersed layer by layer and prevented from being stacked in cooperation with the vertical amplitude of the vibrating mechanism on the spreading mechanism, the driving motor drives the cam to vibrate at frequency, and the tablets are transmitted to the lower spreading shell after being buffered by the spring and the telescopic rod, so that single-layer spreading of the tablets is ensured. Coating liquid in a liquid storage box is pumped through two liquid pumps in the spraying mechanism and flows into two spraying pipes through a three-way pipe, atomization nozzles on the two spraying pipes located above an upper spreading shell and a lower spreading shell respectively spray in a crossed mode at an inclination angle, and it is guaranteed that tablets are synchronously and evenly sprayed and coated in the vibration and even spreading process.

Description

TECHNICAL FIELD

[0001] The utility model relates to medicine coating technical field, concretely is a medicine coating spraying device that sprays evenly. BACKGROUND

[0002] Medicine is the material for preventing, treating and diagnosing disease, generally includes solid medicine tablet, powder medicine powder and liquid medicine, and different state medicine can treat different diseases, and can also be used for patients with different body conditions, and for medicine tablet, after production, needs coating treatment, so as to isolate air, prevent damp and light, and increase medicine stability, and the coating process of medicine tablet is mostly that coating liquid is coated on the surface of medicine tablet, and then the coating liquid is tightly adhered to the outer surface of medicine tablet through drying to form a layer of film.

[0003] For example, a kind of medicine tablet automatic coating device, (announcement number: CN219941246U), including coating box, discharging mechanism, coating liquid spraying mechanism, drying oven, infrared radiator, hot blast machine and drying conveying belt, discharging mechanism includes feed hopper, rotating cylinder, rotary drive mechanism and inclined plate, medicine tablet can be sequentially conveyed to feed hopper and fed, rotating cylinder can rotate under the drive of rotary drive mechanism, so that the bottom discharge port of rotating cylinder is rotated to different inclined plates, to realize the dispersion of medicine tablet, to avoid the adhesion of medicine tablet to cause the uneven coverage of coating liquid, coating liquid spraying mechanism can realize the coating film of medicine tablet, and then hot blast machine can blow hot air in coating box, to preliminarily heat and shrink the coating liquid on medicine tablet, when medicine tablet falls on drying conveying belt, drying conveying belt can convey medicine tablet to drying oven, and infrared radiator heats, to ensure the coating effect of medicine tablet.

[0004] Based on the above patent retrieval, and combined with the equipment in prior art, the above-mentioned equipment disperses medicine tablet through several inclined plates when applied, and medicine tablet on inclined plate only relies on the force of falling and inclined sliding on inclined plate, which is easy to cause uneven sliding, resulting in the accumulation and adhesion of part of medicine tablet, especially the medicine tablet adhered to the inner surface of inclined plate, when coating liquid spraying mechanism sprays coating on medicine tablet, the adhered part of medicine tablet cannot be evenly covered by coating liquid, therefore, we need to propose a medicine coating spraying device that sprays evenly. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a medicine coating spraying device that sprays evenly, through the cooperation of vibration mechanism and spreading mechanism, the medicine tablet on spreading mechanism can be vibrated by vibration mechanism, the friction between the medicine tablets spread on spreading mechanism will be reduced, so that the medicine tablets are more easily moved relative to each other, to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A medicine coating spraying device with uniform spraying, comprising a bottom plate, a conveying belt for conveying medicine is fixedly installed on the top of the bottom plate, a coating box and a drying box are fixedly installed above the conveying belt, one side of the coating box and the drying box is communicated, a feed hopper is fixedly embedded in the middle of the top of the coating box;

[0008] A spreading mechanism for spreading medicine is installed below the feed hopper, a vibrating mechanism for vibrating and spreading medicine is arranged at the bottom of the spreading mechanism, and a spraying mechanism for coating and spraying medicine is arranged above the spreading mechanism.

[0009] Preferably, the spreading mechanism comprises a receiving shell, the receiving shell is located below the feed hopper, and upper spreading shells for spreading medicine are fixedly communicated on both sides of the bottom of the receiving shell; a lower spreading shell is fixedly connected to one end of the bottom of each of the two upper spreading shells; and a communication groove is formed at the connection between the upper spreading shell and the lower spreading shell.

[0010] Preferably, the vibrating mechanism comprises two groups of support plates, the two groups of support plates are fixedly installed on the inner walls of the two sides of the coating box in a symmetrical manner, two groups of connecting plates are fixedly installed on the top of the support plate in a symmetrical manner, springs are fixedly installed on the top of the connecting plate, and the top of the spring is fixedly connected with one end of the bottom of the lower spreading shell through a connecting block.

[0011] Preferably, the vibrating mechanism comprises two groups of support plates, the two groups of support plates are fixedly installed on the inner walls of the two sides of the coating box in a symmetrical manner, two groups of connecting plates are fixedly installed on the top of the support plate in a symmetrical manner, springs are fixedly installed on the top of the connecting plate, and the top of the spring is fixedly connected with one end of the bottom of the lower spreading shell through a connecting block.

[0012] Preferably, the connecting plate is fixedly installed with a telescopic rod in the interior of the spring, and the top of the telescopic rod is fixedly connected with the bottom of the connecting block.

[0013] Preferably, the spraying mechanism comprises a liquid storage tank, the liquid storage tank is fixedly installed on the side wall of one side of the coating box, two groups of liquid pumps are fixedly installed on the top of the liquid storage tank in a symmetrical manner, the liquid inlet ends of the two groups of liquid pumps are communicated with the interior of the liquid storage tank through pipelines, the liquid outlet ends of the liquid pumps are fixedly communicated with a three-way pipe through pipelines, the liquid outlet ends of the three-way pipe are fixedly communicated with spray pipes, and the spray pipes are communicated with two groups of atomizing nozzles on one side.

[0014] Preferably, the three-way pipe is fixedly installed on the inner wall of one side of the coating box through a support, and the two groups of spray pipes are arranged above one side of the upper spreading shell and the lower spreading shell, respectively.

[0015] Preferably, the inner top of the coating box is symmetrically provided with two groups of hot air machines, and the inner top of the drying box is fixedly provided with infrared radiators.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The utility model discloses a ladder type flow guide structure is formed to upper and lower spreading shells through the communication groove, and the vertical amplitude of the spreading mechanism is cooperated with the vibration mechanism, so that the tablets are dispersed layer by layer, accumulation is avoided, the cam frequency vibration is driven by the driving motor, and after buffering through the spring and telescopic rod, the driving motor is transferred to the lower spreading shell, the single-layer flat laying of the tablets is ensured, the coating liquid in the liquid storage tank is extracted through the three-way pipe and two groups of spray pipes in the spraying mechanism, and the atomizing nozzles on the two groups of spray pipes above the upper and lower spreading shells are cross-sprayed at the inclination angle, so that the tablets can be synchronously and evenly sprayed during the vibration and spreading process. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a side view of the utility model;

[0019] Figure 2 It is a sectional view of the utility model;

[0020] Figure 3 It is a structure schematic view of the spreading mechanism and the vibration mechanism of the utility model;

[0021] Figure 4 It is a structure schematic view of the spraying mechanism of the utility model.

[0022] In the drawing: 1, bottom plate; 2, coating box; 3, conveying belt; 4, feeding hopper; 5, spreading mechanism; 51, receiving shell; 52, upper spreading shell; 53, lower spreading shell; 54, communication groove; 6, vibration mechanism; 61, support plate; 62, connecting plate; 63, spring; 64, telescopic rod; 65, cam assembly; 651, rotating rod; 652, driving motor; 653, cam; 7, spraying mechanism; 71, liquid storage tank; 72, liquid pump; 73, three-way pipe; 74, spray pipe; 75, atomizing nozzle; 8, drying box; 9, hot air machine. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-4The utility model provides a technical scheme:

[0025] A medicine coating spraying device with uniform spraying, comprising a bottom plate 1, a conveyor belt 3 for conveying medicine is fixedly installed on the top of the bottom plate 1, a coating box 2 and a drying box 8 are fixedly installed above the conveyor belt 3, one side of the coating box 2 and the drying box 8 is communicated, the coating box 2 is used for coating spray treatment of medicine, and the drying box 8 is used for drying the medicine after coating, a feed hopper 4 is fixedly embedded in the middle of the top of the coating box 2;

[0026] A spreading mechanism 5 for spreading medicine is installed below the feed hopper 4, a vibrating mechanism 6 for vibrating and spreading medicine is arranged at the bottom of the spreading mechanism 5, and a spraying mechanism 7 for coating spray of medicine is arranged above the spreading mechanism 5.

[0027] Further, the spreading mechanism 5 comprises a receiving shell 51, the receiving shell 51 is located below the feed hopper 4, the inner diameter of the receiving shell 51 is greater than the outer diameter of the bottom of the feed hopper 4, the bottom of the feed hopper 4 extends to the inside of the receiving shell 51, the bottom of the receiving shell 51 is fixedly communicated with two upper spreading shells 52 for spreading medicine on both sides, the bottom of one end of the two groups of upper spreading shells 52 is fixedly connected with a lower spreading shell 53, and a communication groove 54 is arranged at the connection position of the upper spreading shell 52 and the lower spreading shell 53.

[0028] It is worth noting that the inner walls of the upper and lower spreading shells are coated with a food-grade Teflon coating with a friction coefficient of less than 0.2, which prevents the accumulation of tablets caused by the adhesion of coating liquid, and the discharge ends of the two groups of lower spreading shells 53 are located above the conveyor belt 3, which facilitates the conveying of the coated tablets to the drying box 8 through the conveyor belt.

[0029] Further, the vibrating mechanism 6 comprises two groups of support plates 61, the two groups of support plates 61 are fixedly installed on the inner walls of the two sides of the coating box 2 in a symmetrical manner, two groups of connecting plates 62 are fixedly installed on the top of the support plate 61 in a symmetrical manner, springs 63 are fixedly installed on the top of the connecting plate 62, and the top of the spring 63 is fixedly connected with one end of the bottom of the lower spreading shell 53 through a connecting block.

[0030] Further, it further comprises a cam assembly 65, the cam assembly 65 comprises a rotating rod 651, the rotating rod 651 is rotatably installed in the inside of the coating box 2, one end of the rotating rod 651 is fixedly connected with a driving motor 652 penetrating through the coating box 2, and the outer wall of the rotating rod 651 is fixedly sleeved with two groups of cams 653 matched with the bottom of the receiving shell 51 in a symmetrical manner.

[0031] The rotation of the cam 653 is driven by the rotation of the driving motor 652, and the lower spreading shell 53 is vibrated through the elastic action of the spring 63 and the telescopic rod 64, so that the effect of spreading medicine is achieved.

[0032] Specific, the connecting plate 62 is fixedly installed with a telescopic rod 64 inside the spring 63, and the top of the telescopic rod 64 is fixedly connected with the bottom of the connecting block.

[0033] The vibration mechanism 6 ingeniously utilizes the elastic effect of the cam 653 and the spring 63, and realizes uniform spreading and vibration spreading of the medicine. By adjusting the rotating speed of the driving motor 652 and the shape of the cam 653, the frequency and amplitude of the vibration can be flexibly controlled to meet the coating requirements of different medicines.

[0034] The upper spreading shell 52 and the lower spreading shell 53 form a stepped flow guide structure through the communication groove 54, cooperate with the vertical amplitude (adjustable range 1~5mm) of the vibration mechanism 6, and make the tablets / pills disperse layer by layer to avoid accumulation. The driving motor 652 drives the cam 653 to vibrate at a frequency of 10~30Hz, and the vibration is transmitted to the lower spreading shell 53 through the spring 63 and the telescopic rod 64, so as to ensure that the single-layer paving rate of the tablets is greater than or equal to 95%.

[0035] Further, the spraying mechanism 7 includes a liquid storage tank 71 fixedly installed on one side wall of the coating box 2, and two groups of liquid pumps 72 are fixedly installed on the top of the liquid storage tank 71 in a symmetrical manner. The inlet ends of the two groups of liquid pumps 72 are communicated with the inside of the liquid storage tank 71 through pipelines, and a 100μm filter is arranged at the inlet of the liquid pump 72 to prevent impurities in the coating liquid from blocking the nozzle. The outlet ends of the liquid pumps 72 are fixedly communicated with a three-way pipe 73 through pipelines penetrating the coating box 2, two liquid outlet ends of the three-way pipe 73 are fixedly communicated with spray pipes 74, and one side of the spray pipe 74 is communicated with two groups of atomizing nozzles 75.

[0036] Specifically, the three-way pipe 73 is fixedly installed on the inner wall of one side of the coating box 2 through a support, and the two groups of spray pipes 74 are respectively located above one side of the upper spreading shell 52 and the lower spreading shell 53.

[0037] The atomizing nozzle 75 adopts a pressure type cyclone nozzle, the atomizing particle diameter is controlled within 50~150μm (D90≤±10%), and is suitable for different coating materials such as sugar coating and film coating. The two groups of atomizing nozzles 75 cross spray at an inclination angle of 30°~45°, and the coverage area is increased by 40%.

[0038] Specifically, two groups of hot air blowers 9 are symmetrically installed on the inner top of the coating box 2, and an infrared radiator is fixedly installed on the inner top of the drying box 8. The hot air blower 9 provides hot air at a temperature of 40~60℃ to preliminarily solidify the coating surface, and the infrared radiator emits medium and far infrared rays (wavelength 3~5μm) to penetrate the coating layer and accelerate internal drying, and the temperature can be controlled within 50~80℃.

[0039] Working principle: the utility model for use first start the whole device, the medicine to be coated is poured into the device through the feed hopper 4, the medicine falls into the receiving shell 51 immediately, through the driving motor 652 in the vibration mechanism 6 starts, drives the rotary rod 651 to rotate, further make the cam 653 rotate, the protruding part of the cam 653 is contacted with the bottom of the receiving shell 51, will promote the receiving shell 51 and the lower spread shell 53 produce vibration, the medicine is evenly slipped to the upper spread shell 52 of the receiving shell 51 both sides, the vibration is passed through the buffering action of the telescopic rod 64 and the spring 63, is transmitted to the medicine, makes the medicine more evenly spread on the conveyer belt, avoids the accumulation and the gap, and the two groups of liquid pumps 72 in the spraying mechanism 7 extract the coating liquid from the liquid storage tank 71, are transported to the tee pipe 73 through the pipeline, the tee pipe 73 evenly distributes the coating liquid to the two groups of spray pipes 74, and the atomizing spray head 75 on the spray pipe 74 atomizes and evenly sprays the coating liquid on the surface of the medicine, since the spray pipe 74 is located above one side of the upper spread shell 52 and the lower spread shell 53 respectively, it is ensured that each part of the medicine can be fully coated and sprayed during the spreading process;

[0040] The medicine after coating falls into the conveyer belt 3 through the two groups of lower spread shells 53, and the conveyer belt 3 advances, and the medicine enters the drying box 8 after leaving the coating box 2, and the infrared radiator carries out further drying and solidification treatment on the medicine, so that the coating layer is firmly attached to the surface of the medicine, and the medicine after coating and drying treatment is finally output from the outlet of the drying box 8, and the output medicine can be subjected to subsequent collection, packaging and quality detection treatment.

[0041] The control mode of the motor of the conveyer belt, the driving motor, the liquid pump, the hot air machine and the infrared radiator in the application file is automatically controlled through the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art, which belongs to the public knowledge in the art, and the application file is mainly used to protect the structure and shape and the combination thereof, so the control mode and the circuit connection are not explained in detail.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pharmaceutical coating spray device that sprays uniformly, characterized by, Include: The bottom plate (1); The top of the bottom plate (1) is fixedly installed with a conveying belt (3) for conveying medicine, the bottom plate (1) is fixedly installed with a coating box (2) and a drying box (8) above the conveying belt (3), one side of the coating box (2) and the drying box (8) is communicated, the top of the coating box (2) is fixedly embedded with a feeding hopper (4) at the center; The lower portion of the feeding hopper (4) is provided with a spreading mechanism (5) for spreading medicine, the bottom of the spreading mechanism (5) is provided with a vibrating mechanism (6) for vibrating and spreading medicine, and the upper portion of the spreading mechanism (5) is provided with a spraying mechanism (7) for spraying and coating medicine.

2. The uniform drug coating spray device of claim 1, wherein: The spreading mechanism (5) comprises a receiving shell (51), the receiving shell (51) is located below the feeding hopper (4), the bottom of the receiving shell (51) is fixedly communicated with two upper spreading shells (52) for spreading medicine, the bottom of one end of the two groups of upper spreading shells (52) is fixedly connected with a lower spreading shell (53), and the connection part of the upper spreading shell (52) and the lower spreading shell (53) is provided with a communication groove (54).

3. The uniform drug coating spray device of claim 2, wherein: The vibrating mechanism (6) comprises two groups of supporting plates (61), the two groups of supporting plates (61) are symmetrically fixedly installed on the inner walls of the two sides of the coating box (2), the top of the supporting plate (61) is symmetrically fixedly installed with two groups of connecting plates (62), the top of the connecting plate (62) is fixedly installed with a spring (63), and the top of the spring (63) is fixedly connected with one end of the bottom of the lower spreading shell (53) through a connecting block.

4. The uniform drug coating spray device of claim 3, wherein: It also comprises a cam assembly (65), the cam assembly (65) comprises a rotating rod (651), the rotating rod (651) is rotatably installed in the interior of the coating box (2), one end of the rotating rod (651) penetrates the coating box (2) and is fixedly connected with a driving motor (652), and the outer wall of the rotating rod (651) is symmetrically fixedly sleeved with two groups of cams (653) matched with the bottom of the receiving shell (51).

5. The uniform drug coating spray device of claim 3, wherein: The connecting plate (62) is fixedly installed with a telescopic rod (64) in the interior of the spring (63), and the top of the telescopic rod (64) is fixedly connected with the bottom of the connecting block.

6. The uniform drug coating spray device of claim 1, wherein: The spraying mechanism (7) comprises a liquid storage tank (71), the liquid storage tank (71) is fixedly installed on one side wall of the coating box (2), the top of the liquid storage tank (71) is symmetrically fixedly installed with two groups of liquid pumps (72), the inlet ends of the two groups of liquid pumps (72) are communicated with the interior of the liquid storage tank (71) through pipelines, the outlet ends of the liquid pumps (72) are fixedly communicated with a three-way pipe (73) through pipelines penetrating the coating box (2), the two outlet ends of the three-way pipe (73) are fixedly communicated with two groups of spray pipes (74), and one side of the spray pipe (74) is communicated with two groups of atomizing nozzles (75).

7. The uniform drug coating spray device of claim 6, wherein: The three-way pipe (73) is fixedly installed on one side inner wall of the coating box (2) through a support, and the two groups of spray pipes (74) are respectively located above one side of the upper spreading shell (52) and the lower spreading shell (53).

8. The uniform drug coating spray device of claim 1, wherein: The inner top of the coating box (2) is symmetrically provided with two groups of hot air machines (9), and the inner top of the drying box (8) is fixedly provided with infrared radiators.

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