CN213254790U

CN213254790U - Crushing device of vacuum belt dryer

Info

Publication number: CN213254790U
Application number: CN202021991485.2U
Authority: CN
Inventors: 黄晓妮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-25
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a reducing mechanism of vacuum belt dryer, include: the top of the machine body is communicated with a discharge hole of the vacuum belt dryer, the whole machine body is of an inverted trapezoidal structure, and the tail end of the machine body is provided with a screen; the crushing rod is driven by a motor arranged right above a discharge port of the vacuum belt dryer, the whole crushing rod is kept in a vertical state, and blades of the crushing rod extend into the machine body; the inclined conveyor belt is arranged on each side surface of the machine body, and the inclination angle of the conveyor belt is the same as that of the side surface of the machine body; the conveyer belt includes driving lever, driven lever and belt, and the driving lever is driven by the motor of installing on the organism, and the driven lever is keeping the parallel state's with the driving lever under the condition, and the both ends of driven lever are fixed on the organism through the pivot, and the belt winding is outside driving lever and driven lever, and the surface of belt still is provided with the outside diaphragm that piles up that extends. The utility model discloses can improve under vacuum environment and smash discharge efficiency.

Description

Crushing device of vacuum belt dryer

Technical Field

The utility model relates to a pharmaceutical equipment field especially relates to a reducing mechanism of vacuum belt dryer.

Background

At present, the preparation of the medicines needs to be carried out by a vacuum belt dryer, and a discharge port of the existing vacuum belt dryer is generally provided with a crushing device which is used for crushing dried block-shaped materials into required particle size to form granular medicines.

However, the existing crushing devices finish crushing in a vacuum state, and the speed of fine powder passing through the aperture of a fine screen is slow due to small airflow in the vacuum environment during crushing; in addition, the weight of the crushed materials is small, so that fine powder is easily suspended in the crushing device, and the discharging efficiency is influenced. If the above problem is solved by increasing the pore diameter of the mesh, the fineness of the pulverized fine powder is likely to be insufficient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a crushing device which can improve the crushing discharging efficiency under the vacuum environment.

The purpose of the utility model is realized by adopting the following technical scheme:

a crushing device of a vacuum belt dryer comprises:

the top of the machine body is communicated with a discharge hole of the vacuum belt dryer, the whole machine body is of an inverted trapezoidal structure, and the tail end of the machine body is provided with a screen;

the crushing rod is driven by a motor arranged right above a discharge port of the vacuum belt dryer, the whole crushing rod is kept in a vertical state, and blades of the crushing rod extend into the machine body;

the inclined conveyor belt is arranged on each side surface of the machine body, and the inclination angle of the conveyor belt is the same as that of the side surface of the machine body; the conveyer belt includes driving lever, driven lever and belt, and the driving lever is driven by the motor of installing on the organism, and the driven lever is keeping the parallel state's with the driving lever under the condition, and the both ends of driven lever are fixed on the organism through the pivot, and the belt winding is outside driving lever and driven lever, and the surface of belt still is provided with the outside diaphragm that piles up that extends.

Further, the mounting positions of the active bars of adjacent conveyor belts are staggered with each other.

Further, a baffle is arranged on the side surface of the conveying belt.

Further, the inclination angle of the conveyor belt is set to 45 °.

Further, an inclined angle of 135 degrees is arranged between the stacking transverse plate and the surface of the belt.

Further, the blades of the pulverizing rod include a blade exhibiting a horizontal state and a blade exhibiting an obliquely upward state.

Further, a sealing ring is arranged at the joint of the top of the machine body and a discharge hole of the vacuum belt type dryer.

Further, the tail end of the machine body is connected with an air gate type discharging hopper.

Compared with the prior art, the beneficial effects of the utility model reside in that:

under vacuum environment, the crushing stick of vertical form pushes the fine powdery material behind the comminuted to the conveyer belt that is located the organism side under the reaction force of crushing stick, a large amount of fine powdery materials pile up and form the material heap that has certain weight on piling up the diaphragm, the conveyer belt transports the end of organism with the material heap low-speed, and filter the material heap in the mesh screen that falls down under the effect of gravity when the conveyer belt turns round, make full use of smashes produced dynamic pressure and air current of stick, let the material pass through the mesh screen discharge high-efficiently, can effectively reduce the slow problem of the ejection of compact speed that the fine powder suspension leads to in the organism, thereby improve discharge rate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the conveyor belt in the machine body of the present invention.

In the figure: 1. a vacuum belt dryer; 2. a grinding rod; 3. a body; 4. a conveyor belt; 401. a driving lever; 402. a driven lever; 403. a belt; 5. stacking transverse plates; 6. a blade; 7. screening a screen; 8. a discharge hopper.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The vacuum belt drier 1 is used for spreading the material liquid to be dried on a plurality of drying belts in the drier under the vacuum state, drying and cooling the material in the transportation process, and dropping the material into the crushing device through a cutting device moving up and down. The crushing device in this embodiment is suitable for the vacuum belt dryer 1 or other vacuum drying equipment. As shown in fig. 1, the crushing apparatus includes:

the top of the machine body 3 is communicated with the discharge hole of the vacuum belt dryer 1, so that the machine body 3 of the crushing device and the vacuum belt dryer 1 are in a vacuum state, the safety of the medicine can be ensured to the maximum extent when the machine body is in the vacuum state, and the high-quality medicine can be obtained to the maximum extent. In order to avoid the air pressure imbalance in the machine body 3, a rubber sealing ring is arranged at the joint of the top of the machine body 3 and the discharge hole of the vacuum belt type dryer 1, and meanwhile, the environmental quality in the machine body 3 is also ensured.

The machine body 3 is of an inverted trapezoidal structure as a whole, the side face of the machine body 3 is provided with an inclination angle of 45 degrees in the embodiment, the tail end of the machine body 3 is provided with the screen 7, the aperture size of the screen 7 is determined by the size of required fine powder, and the screen 7 is used for isolating fine powder materials with fineness which cannot meet the requirement and filtering out the fine powder materials with fineness which meets the requirement.

Install the motor on 3 inner walls of organism directly over the discharge gate of vacuum belt dryer 1, this motor is connected and is smashed stick 2, smashes stick 2 and keeps vertical state to high-speed the rotating under the drive of motor, smash the blade 6 of stick 2 and extend to reducing mechanism's organism 3 in, its blade 6 smashes the material that drops from the discharge gate department of vacuum belt dryer 1.

Because the state of the blades 6 can directly influence the dynamic pressure and the direction of the airflow generated by the crushing rod 2, the blades 6 of the crushing rod 2 are set to be the blades 6 in a horizontal state and the blades 6 in an inclined upward state, the blades 6 are set to be four in the embodiment, the two blades 6 in the horizontal state and the two blades 6 in the inclined upward state are separately arranged, the blades 6 generate horizontal or inclined upward thrust under high-speed rotation, and crushed fine powder materials are pushed to the conveying belt 4 on the side surface of the machine body 3.

As shown in fig. 2 (the conveyor belt 4 on one side is omitted in fig. 2), an inclined conveyor belt 4 is correspondingly installed on each side of the machine body 3, and the inclination angle of the conveyor belt 4 is set to be 45 degrees as the same as that of the side of the machine body 3; a motor is installed on the side of the machine body 3, two ends of the driving rod 401 are driven by the motor to rotate, while the driven rod 402 is kept parallel to the driving rod 401, two ends of the driven rod 402 are fixed on the machine body 3 through a rotating shaft, a belt 403 is wound around the driving rod 401 and the driven rod 402, and the driven rod 402 and the driving rod 401 synchronously rotate under the traction of the belt 403. In order to prevent the driving rods 401 of the conveyer belts 4 from being affected by each other, the mounting positions of the driving rods 401 of the adjacent conveyer belts 4 are staggered, that is, one driving rod 401 is mounted above one side of the machine body 3, the driving rods 401 on the adjacent sides are mounted below the side, and the driving rods 401 of the conveyer belts 4 are staggered, so that the space in the machine body 3 can be fully utilized, and the conveyer belts 4 are prevented from being affected by each other.

In order to reduce the fine powder remaining in the conveyor belt 4, the side surface of the conveyor belt 4 is provided with a baffle plate, the baffle plate can block the fine powder outside the baffle plate, and meanwhile, the cleaning of the interior of the machine body 3 is facilitated.

The outer surface of the belt 403 is further provided with an outward-extending stacking transverse plate 5, and in this embodiment, an inclination angle of 135 ° is provided between the stacking transverse plate 5 and the surface of the belt 403, and under this inclination angle, when the stacking transverse plate 5 is transported to a direction opposite to the crushing rod 2 under the driving of the belt 403, the stacking transverse plate 5 is in a horizontal state, which is convenient for collecting and stacking the fine powder material; when the fine powder material can be piled up gradually on the piling transverse plate 5 of the horizontal state or concentrate on between adjacent piling transverse plates 5 under the action of the horizontal or upward dynamic pressure of the slope and the air current generated by the crushing rod 2, the conveying belt 4 can be used for slowly conveying, the piling time of the fine powder material can be prolonged, a fine powder pile with certain weight is piled up on the piling transverse plate 5, when the conveying belt 4 is conveyed to the tail end to turn back, the fine powder pile on the piling transverse plate 5 slowly falls onto the screen 7 at the tail end of the machine body 3 under the action of gravity to be filtered.

The crushing device in the embodiment can fully gather fine powder after crushing, greatly reduce the fine powder suspended in the machine body 3, and greatly improve the speed of the fine powder passing through the aperture of the fine screen 7, thereby increasing the discharging efficiency of the fine powder.

After the fine powder material is filtered by the screen 7, the fine powder material falls into the air gate type discharge hopper 8 connected to the tail end of the machine body 3, and the vacuum state is gradually restored to normal air pressure through the air pressure change of the discharge hopper 8, so that the fine powder material is normally discharged.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A crushing device of a vacuum belt dryer is characterized by comprising:

2. The pulverizing apparatus of a vacuum belt dryer as claimed in claim 1, wherein the mounting positions of the driving bars of the adjacent conveyor belts are staggered with each other.

3. The pulverizing apparatus of a vacuum belt dryer according to claim 2, wherein the conveyor belt is provided with a baffle at a side thereof.

4. The crushing apparatus of a vacuum belt dryer according to claim 3, wherein the inclination angle of the conveyor belt is set to 45 °.

5. The crushing apparatus of a vacuum belt dryer according to claim 1, wherein an inclination angle of 135 ° is provided between the stacking cross plate and the surface of the belt.

6. The pulverizing apparatus of a vacuum belt dryer according to claim 1, wherein the blades of the pulverizing rod include a blade exhibiting a horizontal state and a blade exhibiting an obliquely upward state.

7. The crushing device of a vacuum belt dryer according to claim 1, wherein a sealing ring is arranged at the joint of the top of the machine body and the discharge hole of the vacuum belt dryer.

8. The vacuum belt dryer pulverizer of claim 7, wherein the end of said body is connected to an air-lock type discharge hopper.