Powder conveying device for medicine production line

By combining the screw conveying cylinder, heating rod, scraper and ultrasonic flow sensor in the powder conveying device, the blockage and quantitative control problems in the transportation of viscous powder are solved, and efficient and accurate powder conveying and cleaning are achieved.

CN222292745UActive Publication Date: 2025-01-03TIANJIN MEIHUA BIOMEDICAL TECH CO LTD
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Patent Information

Application Number
CN202421193973.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-01-03
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

Existing powder conveying equipment is prone to blockage when transporting powder with high viscosity and easy to absorb moisture and agglomerate, making it difficult to clean up, and the conveying volume is difficult to control, resulting in low efficiency and waste.

Method used

A powder conveying device for drug production lines is designed, and a screw conveying cylinder is combined with a heating rod, scraper, crushing blade and ultrasonic flow sensor to realize drying, dispersing and quantitative measurement of powder to prevent blockage and waste.

Benefits of technology

It effectively avoids dust blockage, improves conveying efficiency and cleaning convenience, ensures the accuracy of the conveying volume, and reduces waste of powder.

✦ Generated by Eureka AI based on patent content.

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Abstract

The powder conveying device for the medicine production line comprises a base and a spiral conveying cylinder installed at the top of the base, rotating shafts are rotationally connected to the inner walls of the two sides of the spiral conveying cylinder, the rotating shafts are hollow, one ends of the rotating shafts penetrate out of the spiral conveying cylinder, and a first motor is arranged at the top of the base and close to the end where the rotating shafts penetrate out. A main shaft of the first motor and the rotating shaft are in gear transmission, spiral stirring blades are arranged on the rotating shaft, scraping rods making contact with the inner wall of the spiral conveying barrel are arranged on the edge between every two adjacent blades on the spiral stirring blades, a plurality of heating rods are arranged on the rotating shaft and correspond to the scraping rods one to one, and one ends of the heating rods are fixedly connected with the scraping rods. An anti-blocking feeding port is formed in the top of the side, close to the first motor, of the spiral conveying barrel, a discharging port is formed in the bottom of the side, away from the first motor, of the spiral conveying barrel, a knife gate valve is arranged in the discharging port, and an ultrasonic flow sensor adjacent to the knife gate valve is arranged in the discharging port. The powder conveying device is convenient to dry and crush during powder conveying, avoids blockage and is convenient to use.
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Description

Technical Field

[0001] The utility model relates to the field of powder material conveying, in particular to a powder material conveying device for a medicine production line. Background Art

[0002] A powder conveying device is generally installed on the drug production line to convey the required powder to the corresponding equipment for processing. At present, the most common powder conveying equipment is the screw conveyor. However, for powders with high viscosity and easy to absorb moisture and agglomerate, it is not only easy to cause blockage during transportation, affecting the conveying efficiency, but also easy to adhere to the inner wall of the conveyor barrel, which is difficult to clean. At the same time, the conveying volume is difficult to control, the quantitative quantity is inaccurate, and it is easy to cause waste. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and provides a powder material conveying device for a medicine production line.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a powder conveying device for a drug production line, comprising a base and a spiral conveying cylinder installed on the top of the base, the inner walls of both sides of the spiral conveying cylinder are rotatably connected with a rotating shaft, the interior of the rotating shaft is hollow, and one end passes through the spiral conveying cylinder, a first motor is arranged at the top of the base near the end passing through the rotating shaft, a gear transmission is passed between the main shaft of the first motor and the rotating shaft, a spiral stirring blade is arranged on the rotating shaft, a scraper rod contacting the inner wall of the spiral conveying cylinder is arranged at the edge between two adjacent blades of the spiral stirring blade, a plurality of heating rods are arranged on the rotating shaft, the heating rods correspond to the scraper rods one by one, and one end of the heating rods is connected and fixed to the scraper rods, an anti-blocking feed port is arranged at the top of the spiral conveying cylinder near the first motor, a discharge port is arranged at the bottom on the side away from the first motor, a knife gate valve is arranged in the discharge port, an ultrasonic flow sensor adjacent to the knife gate valve is arranged in the discharge port, a plurality of pairs of crushing blades are arranged on the side of the rotating shaft away from the heating rod, and each pair of crushing blades is located between two adjacent blades of the spiral stirring blade.

[0005] Particularly, an electric heating tube is arranged inside the heating rod, and one end of the electric heating tube extends into the rotating shaft.

[0006] In particular, a mounting plate is provided on one side of the spiral conveying cylinder close to the first motor, a terminal head of the electric heating tube is provided at the bottom of the mounting plate, the terminal head is connected to the rotating shaft through an electric slip ring, the electric heating tube is electrically connected to the rotor of the electric slip ring through a wire, and the terminal head is electrically connected to the stator of the electric slip ring through a wire.

[0007] Particularly, a pair of crushing blades are symmetrically arranged and are bent.

[0008] Particularly, a water inlet with a valve is provided on one side of the spiral conveying cylinder close to the first motor.

[0009] In particular, the anti-blocking feed port is rotatably connected to the top of the spiral conveying cylinder, a second motor is provided on the top of the mounting plate, a belt is driven between the second motor main shaft and the anti-blocking feed port, and a plurality of staggered stirring rods are provided on the inner wall of the anti-blocking feed port.

[0010] The beneficial effects of the utility model are as follows: the utility model is convenient for drying and breaking up hygroscopic and agglomerated powders and scraping off powders adhering to the inner wall of the cylinder by arranging an anti-blocking feed port, a crushing knife, a heating rod and a scraper, thereby avoiding blockage, having high conveying efficiency and convenient cleaning; and the arrangement of an ultrasonic flow sensor facilitates measurement of the conveying volume, with accurate quantitative measurement and avoiding waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] In the figure: 1-base; 2-screw conveyor; 3-rotating shaft; 4-first motor; 5-screw stirring blade; 6-scraper rod; 7-heating rod; 8-anti-blocking feed port; 9-discharge port; 10-knife gate valve; 11-ultrasonic flow sensor; 12-crushing blade; 13-mounting plate; 14-connection head; 15-second motor; 16-stirring rod;

[0013] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] like Figure 1 As shown, a powder conveying device for a drug production line includes a base 1, a spiral conveying cylinder 2 installed on the top of the base 1, the inner walls on both sides of the spiral conveying cylinder 2 are rotatably connected with a rotating shaft 3, the rotating shaft 3 is hollow inside, and one end passes through the spiral conveying cylinder 2, a first motor 4 is provided at the top of the base 1 near the end passing through the rotating shaft 3, a gear transmission is passed between the main shaft of the first motor 4 and the rotating shaft 3, a spiral stirring blade 5 is provided on the rotating shaft 3, a scraper 6 contacting the inner wall of the spiral conveying cylinder 2 is provided at the edge between two adjacent blades of the spiral stirring blade 5, and a plurality of heating rods 7 are provided on the rotating shaft 3, and the heating rods 7 correspond to the scraper 6 one by one, and the heating rods 7 are The end is connected and fixed with the scraper rod 6, an electric heating tube is arranged inside the heating rod 7, and one end of the electric heating tube extends into the rotating shaft 3, a mounting plate 13 is arranged on the side of the spiral conveying cylinder 2 close to the first motor 4, a terminal 14 of the electric heating tube is arranged at the bottom of the mounting plate 13, the terminal 14 is connected to the rotating shaft 3 through an electric slip ring, the electric heating tube is electrically connected to the rotor of the electric slip ring through a wire, and the terminal 14 is electrically connected to the stator of the electric slip ring through a wire; a plurality of pairs of crushing blades 12 are arranged on the side of the rotating shaft 3 away from the heating rod 7, and each pair of crushing blades 12 is located between two adjacent blades of the spiral stirring blade 5, and a pair of crushing blades 12 are symmetrically arranged and are bent.

[0016] The heating rod 7 is powered on for heating, so as to dry the wet powder and avoid caking. The heating rod 7 can also break up the caking powder while heating and drying, and the crushing blade 12 can crush the large powder to avoid caking.

[0017] An anti-blocking feed port 8 is provided at the top of the spiral conveying cylinder 2 near the first motor 4. The anti-blocking feed port 8 is rotatably connected to the top of the spiral conveying cylinder 2. A second motor 15 is provided at the top of the mounting plate 13. A belt is driven between the main shaft of the second motor 15 and the anti-blocking feed port 8. A plurality of staggered stirring rods 16 are provided on the inner wall of the anti-blocking feed port 8. When feeding, the anti-blocking feed port 8 rotates under the action of the second motor 15, and the stirring rod 16 rotates to prevent the powder from being blocked in the anti-blocking feed port 8.

[0018] A discharge port 9 is provided at the bottom of the spiral conveying cylinder 2 on the side away from the first motor 4, and a knife gate valve 10 is provided in the discharge port 9, and an ultrasonic flow sensor 11 is provided in the discharge port 9 and is adjacent to the knife gate valve 10; the knife gate valve 10 is an electric knife gate valve, and the electric knife gate valve and the ultrasonic flow sensor 11 are respectively connected to the control center. When the data measured by the ultrasonic flow sensor 11 meets the required conveying volume, the control center issues a closing command to the electric knife gate valve. The setting of the ultrasonic flow sensor 11 is convenient for measuring the powder conveying volume, and the conveying volume is easy to control to avoid waste.

[0019] A water inlet with a valve is provided on one side of the spiral conveying cylinder 2 close to the first motor 4. During cleaning, water enters the spiral conveying cylinder 2 through the water inlet, and the scraper 6 scrapes and cleans the inner wall of the cylinder.

[0020] When the utility model is working, the powder enters the spiral conveying cylinder 2 through the anti-blocking feed port 8, and then is conveyed to the discharge port 9 by the rotating spiral stirring blade 5. When falling, the knife gate valve 10 is opened, and the conveying amount is measured by the ultrasonic flow sensor 11. When the required amount is reached, the knife gate valve 10 is closed. During the conveying process, the heating rod 7 can dry the powder, the crushing blade 12 can crush the large pieces of powder, and the scraper 6 can scrape off the powder adhering to the inner wall of the cylinder.

[0021] The utility model is convenient for drying and breaking up moisture-absorbed and agglomerated powder materials, and for scraping off powder materials adhering to the inner wall of the cylinder, thus avoiding blockage, having high conveying efficiency and convenient cleaning, and at the same time, it is convenient for measuring the conveying amount, with accurate quantitative measurement and avoiding waste.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or it is directly applied to other occasions without improvement, it is within the protection scope of the utility model.

Claims

1. A powder conveying device for a drug production line, comprising a base (1), a spiral conveying cylinder (2) mounted on the top of the base (1), characterized in that: The inner walls of both sides of the spiral conveying cylinder (2) are rotatably connected with a rotating shaft (3), the rotating shaft (3) is hollow inside and one end thereof passes through the spiral conveying cylinder (2), a first motor (4) is provided at the top of the base (1) near one end of the rotating shaft (3), a gear transmission is provided between the main shaft of the first motor (4) and the rotating shaft (3), a spiral stirring blade (5) is provided on the rotating shaft (3), a scraper rod (6) contacting the inner wall of the spiral conveying cylinder (2) is provided at the edge between two adjacent blades of the spiral stirring blade (5), a plurality of heating rods (7) are provided on the rotating shaft (3), and the heating rods (7) and the scraper rods (6) are connected to each other. ), and one end of the heating rod (7) is connected and fixed to the scraper rod (6); a blocking-proof feed port (8) is provided at the top of the spiral conveying cylinder (2) close to the first motor (4); a discharge port (9) is provided at the bottom of the spiral conveying cylinder (2) away from the first motor (4); a knife gate valve (10) is provided in the discharge port (9); an ultrasonic flow sensor (11) adjacent to the knife gate valve (10) is provided in the discharge port (9); a plurality of pairs of crushing blades (12) are provided on the side of the rotating shaft (3) away from the heating rod (7), and each pair of crushing blades (12) is located between two adjacent blades of the spiral stirring blade (5).

2. A powder conveying device for a drug production line according to claim 1, characterized in that: An electric heating tube is arranged inside the heating rod (7), and one end of the electric heating tube extends into the rotating shaft (3).

3. A powder conveying device for a drug production line according to claim 2, characterized in that: A mounting plate (13) is provided on one side of the spiral conveying cylinder (2) close to the first motor (4); a terminal head (14) of the electric heating tube is provided at the bottom of the mounting plate (13); the terminal head (14) is connected to the rotating shaft (3) via an electric slip ring; the electric heating tube is electrically connected to the rotor of the electric slip ring via a wire; and the terminal head (14) is electrically connected to the stator of the electric slip ring via a wire.

4. A powder conveying device for a drug production line according to claim 1, characterized in that: A pair of crushing blades (12) are symmetrically arranged and are bent.

5. The powder conveying device for a drug production line according to claim 1, characterized in that: A water inlet with a valve is provided on one side of the spiral conveying cylinder (2) close to the first motor (4).

6. A powder conveying device for a drug production line according to claim 3, characterized in that: The anti-blocking feed port (8) is rotatably connected to the top of the spiral conveying cylinder (2), a second motor (15) is provided on the top of the mounting plate (13), a belt is used to drive the main shaft of the second motor (15) and the anti-blocking feed port (8), and a plurality of staggered stirring rods (16) are provided on the inner wall of the anti-blocking feed port (8).