WO2011110050A1

WO2011110050A1 - Mixing device for powdery material

Info

Publication number: WO2011110050A1
Application number: PCT/CN2011/000358
Authority: WO
Inventors: 吴伟
Original assignee: Wu Wei
Priority date: 2010-03-08
Filing date: 2011-03-07
Publication date: 2011-09-15

Abstract

A mixing device for powdery materials is disclosed. A rotatable hollow shaft for material discharging (2) is installed on a machine frame (1). A reversing gear box (23) is arranged at one end of the rotatable hollow shaft for material discharging (2), and a material-discharging gear motor (10) is connected with the other end through a crank mechanism. A transmission shaft (8) of a material-mixing barrel (3) is arranged within the rotatable hollow shaft for material discharging (2), one end of which is connected with a material-mixing gear motor (9) in a transmission manner and the other end of which is connected with the material-mixing barrel (3) through the reversing gear box (23). A dust cap (13) of the material-mixing barrel (3) is installed on the machine frame (1) and is connected with a cap-opening driving device (27) in a transmission manner. A vibrating screen (19) is arranged above the material-mixing barrel (3), the material outlet of which is connected with the material inlet (24) of the dust cap (13) of the material-mixing barrel (3) through a hose (25). A vibrator (14) is connected with the vibrating screen (19) in a transmission manner. Material-scraping blades (20) are arranged in the vibrating screen (19) and connected with a material-scraping motor (15) in a transmission manner. The mixing device has advantages of safety in use, reliable performance and uniform mixing.

Description

Mixing unit of powder material

The invention relates to a mixing unit, in particular to a mixing unit of highly toxic, dangerous explosive and pharmaceutical powder materials.

Background technique

In industrial production, there are many materials that need to be filtered before mixing, especially for the mixing of some highly toxic, dangerous, and pharmaceutical powder materials. Currently, it is first screened on one device, and then filtered. The materials are loaded into the material bucket in turn, and poured into another equipment for mixing. After the screening material is not directly entered into the mixing tank and stored in the material container, there is a situation of secondary solidification, which is difficult to mix evenly. Especially for pyrotechnics, powdery materials that are both moist and delicate and dangerous are difficult to mix evenly in existing mixing equipment. In the drug blending production of the artillery industry, it has always been operated by manual methods and drugs. This key process has always restricted the development and safety of fireworks companies of all sizes. There are several major drawbacks in manual operation.

1. Because of its high sensitivity and potential danger, it is easy to cause major accidents; 2. High labor intensity; 3. Low production efficiency; 4. Product quality is not guaranteed; 5. Extremely poor working environment, dust Flying everywhere, it is easy to cause operators to get occupational diseases.

Summary of the invention

The technical problem to be solved by the present invention is to provide a mixing unit which uses a powdery material which is safe, reliable in performance and uniform in mixing.

In order to solve the above technical problems, the mixing unit of the powdery material provided by the present invention is provided with a mixing barrel, a vibrating screen, a scraping blade, a dumping gear motor, a mixing gear motor, a vibrator, and a scraper motor on the frame. And a cover driving device, wherein the frame is mounted with a rotating rotating hollow shaft, and one end of the rotating rotating hollow shaft is provided with a reversing gear box, and the other end of the rotating rotating hollow shaft is The dumping geared motor is connected by a crank mechanism, and a mixing drum drive shaft is arranged in the rotating rotating hollow shaft, and one end of the mixing drum drive shaft is connected with the mixing gear motor, and the other end is connected. Connecting to the mixing tank through the reversing gear box; the vibrating screen is installed above the mixing barrel, and the mixing barrel dust cover is mounted on the frame, The dust collecting cover of the mixing drum is drivingly connected with the opening driving device, and the discharge opening of the vibrating screen is connected with the feeding port on the dust cover of the mixing barrel through the hose, the vibrator and the vibrator The vibrating screen drive connection, scraping The inner blade provided in the shaker, the motor and the scraper blades of the scraper drive connection, a barrel mounted disposed below the mixing tub.

The mixing drum, the vibrating screen and the scraping blade are disposed on one side of the frame, and the dumping gear motor, the mixing gear motor, the vibrator, the scraper motor and the opening cover driving device are disposed at The other side of the rack.

The opening cover driving device is that the mixing drum dust cover is slidably mounted on the frame through a sliding shaft, and the mixing barrel dust cover is connected with a sliding shaft and a third crank, and the cover is opened. The driving device is connected to the second crank, and the second crank is passed through the second connecting rod and the third connecting rod

1

Confirmation Crank drive connection, or hydraulic and pneumatic to complete the cover movement.

The charging drum is arranged on the transporting vehicle.

The transport vehicle is disposed in a water discharge rail.

The rack is provided with a guiding port below the mixing barrel, and the rack is provided with a lifting device under the guiding port, and the loading barrel is placed in the rack Said lifting device is connected or separated from said guiding port by rising or falling with said lifting device.

The mixing barrel is provided with mixing blades, and the mixing blades are high, medium and low three-level blades fixed on the mixing barrel, which can mix powdery nano materials with different specific gravity. Evenly.

The blasting wall separates the scraping motor, the dumping geared motor, the compounding geared motor, and the cover driving device from the vibrating scraper screen, the mixing barrel, the vibrator, the open cover sliding shaft device, and the transport truck On both sides.

The mixing unit of the powder material adopting the above technical scheme adopts an automatic feeding device or artificially puts the powdery material into the vibrating scraping sieve, and the vibrator vibrates the vibrating screen through the vibration transmission rod, and the scraping motor passes through the transmission mechanism. The scraping blade rotates the scraping material in the vibrating screen, and the medicine under the vibrating screen screen enters the mixing barrel, and the mixing speed reducing motor rotates the mixing barrel through the mixing barrel drive shaft to be fixed in the mixing barrel. The mixing blade makes the material mixing more uniform, and the mixing blade is high, medium and low three levels of the blade fixed on the mixing barrel, so that the powdery nano material with different specific gravity can be evenly mixed. After the medicine is evenly mixed in the mixing barrel, the opening driving device is opened, and the turning speed reducing motor drives the hollow shaft equipped with the reversing gear box to rotate, so that the pouring and discharging are realized, and the medicine enters the charging barrel below the mixing barrel. The transport truck transports the loading drum. Since the transport truck is installed in the water discharge rail, it can ensure the safety of the transport. The invention adopts the vibrating screen material and the scraping blade to scrape the material, and the material directly enters into the mixing barrel for mixing, thereby preventing the secondary forming unit in the material container after the screening material, thereby improving the uniformity of the mixing. Since the mixing tank, the vibrating screen and the scraping blade are provided on one side of the frame, the dumping geared motor, the compounding geared motor, the vibrator, the cover drive and the scraper motor are arranged on the other side of the frame, two The wide separation ensures that the safety will not be affected by each other, that is, the spark generated by the compound geared motor, the dump gear motor, the vibrator, the cover drive and the scraper motor will not affect the mixing tank and the vibrating screen. Gunpowder, and in case the gunpowder and the gunpowder in the mixing tank accident will not affect the dump gear motor, the compound gear motor, the vibrator, the cover drive and the scraper motor, thus achieving the safety of the invention Claim. The explosion-proof wall separates the scraper motor, the dump gear motor, the compound gear motor, the cover drive unit, the vibrating screen, the vibrator, the mixing tank, the open cover slide shaft device, and the transport truck to ensure safer performance. high. The rotary hollow shaft and the mixing barrel drive shaft coaxial set are simple in structure and easy to seal. The mixing barrel is provided with a dustproof cover of the mixing barrel, and the dustproof cover of the mixing barrel can prevent the medicine in the mixing barrel from flying out to cause dust, thereby overcoming the hidden danger caused by the flying powder dust and improving the use. Security performance. The program is used to control the opening and closing of the door, the material and the timing, and the automatic control, especially the mixing of the dangerous materials, is controlled by automation.

In summary, the feature is that the screen and the mixing are integrated, and the mixing barrel dust cover is installed in the feeding and mixing of the mixing barrel, and the dustproof cover of the mixing barrel is opened when the mixing barrel is unloaded. To prevent dust Overflow, the loading bucket is designed to be lifted up and down. During the mixing and dumping process, the barrel mouth is close to the lower opening of the rack. And the roller of the loading cart in which the loading drum is placed is immersed in the water discharging rail to prevent the safety accident caused by the friction of the roller. The invention has high degree of automation, is particularly suitable for mixing of powdery nano materials in flammable, explosive, highly toxic and pharmaceutical industries, and is a kind of mixing of powdery materials which are safe to use, reliable in performance, uniform in mixing, simple in structure and convenient in manufacture. unit.

DRAWINGS

Figure 1 is a schematic view of the connected structure of the present invention;

2 is a schematic view of the explosion-proof split structure of the partition wall of the present invention;

Figure 3 is a schematic view showing the feeding operation state of the present invention;

Figure 4 is a schematic view showing the unloading state of the present invention;

Figure 5 is a schematic view of the opening device of the present invention.

detailed description

The invention is further described below in conjunction with the drawings and specific embodiments.

Referring to Figures 1 and 5, a mixing tank 3, a vibrating screen 19 and a scraping blade 20 are provided on one side of the frame 1, and a dumping gear motor 10 and a compounding geared motor are provided on the other side of the frame 1. 9. The vibrator 14, the scraping motor 15 and the opening cover driving device 27 are mounted with a rotating rotating hollow shaft 2 on the frame 1, and the rotating rotating hollow shaft 2 is provided at the end with a reversing gear box 23, mixing barrel 3 is mounted on the output shaft of the reversing gear box 23, and the other end of the reversing rotary hollow shaft 2 is rotatably connected to the reversing reduction motor 10 through the first crank 12 and the first link 11, and the hollow shaft 2 is rotated in the reverse rotation. The inner coaxial set has a mixing barrel drive shaft 8, the mixing barrel drive shaft 8 end is connected with the mixing gear motor 9 , and the other end is connected with the mixing barrel 3; the vibrating screen 19 is installed above the mixing barrel 3 The mixing drum dust cover 13 is slid by the sliding shaft 31. It is mounted on the frame 1, the mixing barrel dust cover 13 is connected with a third crank 30, and the opening driving device 27 is connected to the second crank 28, the second crank 28 is connected to the third crank 30 through the second link 26, and the mixing barrel dust cover 13 The opening driving device 27 is driven to abut or separate from the mixing tank 3, and the mixing barrel 3 is provided with a mixing blade 4, and the mixing blade 4 is high, medium and low three-level blades fixed on the mixing barrel 3. The powdery nano material of different specific gravity can be evenly mixed, and the feeding port 24 is arranged on the dustproof cover 13 of the mixing barrel, the feeding port 24 is end-to-end the mixing barrel 3, and the other end is passed through the hose 25 and the vibrating screen. The outlet of the 19 is connected, the vibrator 14 is connected to the vibrating screen 19 via the vibration transmission rod 16, the scraping blade 20 is disposed in the vibrating screen 19, and the scraping motor 15 is connected to the scraping blade 20 through the transmission mechanism 17, a charging The tub 5 is disposed below the mixing tub 3, the loading tub 5 is disposed on the transport cart 6, and the transport cart 6 is disposed in the water discharge rail 7.

Referring to FIG. 2 and FIG. 5, a mixing tank 3, a vibrator 14, a vibrating screen 19 and a scraping blade 20 are disposed on one side of the frame 1, and a dumping gear motor 10 is disposed on the other side of the frame 1. Mixing geared motor 9, scraping motor 15 and opening cover driving device 27, on the frame 1 is mounted with a rotating rotating hollow shaft 2, and the rotating rotating hollow shaft 2 is provided with a reversing gear box 23, a mixing barrel 3 is mounted on the reversing gear box 23, and the mixing barrel 3 is provided with a mixing blade 4, and the other end of the rotating rotating hollow shaft 2 is rotated by the first crank 12 and the first connecting rod 1 1 and the dumping motor 10 Connected, in the rotating rotating hollow shaft 2, the coaxial mixing set has a mixing barrel drive shaft 8, and the mixing barrel drive shaft 8- The end is connected to the mixing gear motor 9 and the other end is connected to the mixing barrel 3; the vibrating screen 19 is installed above the mixing barrel 3, and the mixing barrel dust cover 13 is slidably mounted on the frame 1 through the sliding shaft 31. The mixing bucket dust cover 13 is connected with a third crank 30, the opening cover driving device 27 is drivingly connected with a second crank 28, and the second crank 28 is drivingly connected with the third crank 30 through the second connecting rod 26, and the mixing barrel is dustproof. The cover 13 is docked or separated from the mixing tank 3 by the opening drive device 27, and the feeding port 24 is provided on the mixing barrel dust cover 13, the feeding port 24-end is connected to the mixing barrel 3, and the other end passes The hose 25 is connected to the outlet of the vibrating screen 19, and the vibrator 14 is drivingly coupled to the vibrating screen 19 via a vibrating transmission rod 16, the scraping blade 20 is disposed in the vibrating screen 19, and the scraping motor 15 passes through the transmission mechanism 17 and the scraping blade 20. The transmission connection, the frame 1 is provided with a guiding trough 32 under the mixing tank 3', and the frame 1 is provided with a lifting device 18 under the guiding trough 32, and the charging barrel 5 is placed on the lifting device 18 and As the lifting device 18 rises or falls, it is docked or separated from the discharge opening of the guide trough 32, and the charging drum 5 is placed at The skip 6, material transport vehicles 6 disposed in the feeding out rail Ί water. The explosion-proof wall 21 separates the dump gear motor 10, the compound gear motor 9, the scraper motor 15 and the cover driving device 27, and the mixing tank 3, the vibrating screen 19, the vibrator 14, and the scraping blade 20 on both sides.

Referring to FIG. 1, FIG. 2, FIG. 3, FIG. 4 and FIG. 5, when feeding, the mixing drum dust cover 13 is docked with the mixing tank 3 by the opening driving device 27 and starts with the mixing barrel 3 Rotating, the powdery material is put into the vibrating screen 19 by an automatic feeding device or manually, the vibrator 14 vibrates the vibrating screen 19 through the vibrating transmission rod 16, and the scraping motor 15 passes the transmission mechanism 17 to make the scraping blade 20 The vibrating screen 19 rotates, and the medicine under the vibrating screen 19 enters the mixing barrel 3 through the hose 25 and the feeding port 24, and the mixing speed reducing motor 9 rotates the mixing barrel 3 through the mixing barrel drive shaft 8. The mixing blade 4 in the mixing tank 3 makes the material more evenly mixed. After the medicine is mixed and mixed in the mixing barrel 3, when the discharging is performed, the lid driving device 27 is driven and connected through the second crank 28, the second connecting rod 26 and the third crank 30, so that the mixing barrel dust cover 13 is The cover driving device 27 is driven separately from the mixing tank 3, and the dumping motor 10 drives the reverse rotating hollow shaft 2 to rotate by the first crank 12 and the first link 11 to rotate the hollow shaft 2 to drive the reversing The gear box 23 rotates, and the reversing gear box 23 drives the mixing barrel 3 to rotate and dump the material, and the medicine enters the loading barrel 5 below the mixing barrel 3, and the loading truck 6 transports the loading barrel, because the loading truck 6 Set in the water discharge rail 7 to ensure the safety of transportation. Since the mixing tank 3, the vibrating screen 19, the vibrator 14 and the scraping blade 20 are provided on one side of the frame 1, the dumping reduction motor 10, the compounding reduction motor 9, the scraping motor 15 and the opening cover driving device 27 are provided. On the other side of the rack 1 and separated by the explosion-proof wall 21, the two are separated to ensure that they do not affect each other's safety, that is, the compound geared motor 9, the dump gear motor 10, the scraper motor 15 and the opening The spark generated by the cover driving device 27 does not affect the gunpowder in the mixing tank 3 and the vibrating screen 19, and in the event of an accident of the gunpowder 19 and the gunpowder in the mixing tank 3, the mixing gear motor 9 is not affected. The geared motor 10, the cover drive 27 and the scraper motor 15 thus achieve the safety requirements of the present invention. The invention adopts the vibrating screen 19 to directly enter the mixing barrel 3 and then mix, so that the mixing is more uniform, preventing the secondary uniting block which is not directly entered into the mixing barrel 3 after the screening material and stored. The uniformity of the mixture. Turning the hollow shaft 2 and the mixing barrel The drive shaft 8 is coaxially set and has a simple structure for easy overall sealing. A mixing barrel dust cover 13 is arranged on the mixing barrel 3, and the mixing barrel dust cover 13 can prevent the medicine in the mixing barrel 3 from flying out to cause dust, thereby overcoming the hidden danger caused by the flying powder dust. , improved security of use. The invention adopts the program to control the opening, the pouring and the timing, and can realize the automatic production, and is especially suitable for the mixing of the powdery nano materials in the flammable, explosive, highly toxic and pharmaceutical industries, which is characterized by the combination of the sieve and the mixing, and in the mixing. The feeding and mixing of the tub 3 is equipped with a mixing bucket dust cover 13, and the mixing bucket dust cover 13 is opened when the mixing tub 3 is unloaded. In order to prevent the dust from overflowing, the loading barrel 5 is designed to move up and down, and the barrel mouth is closely attached to the discharging port when the material is received. And the roller of the loading cart in which the loading drum 3 is placed is immersed in the water discharge rail 7 to prevent the safety accident caused by the friction of the roller.

The equipment can be remotely controlled, especially suitable for some highly toxic, dangerous, screening and mixing of pharmaceutical materials. It adopts screening and mixing integrated units. After screening, it can be directly mixed into the mixing tank. There is no secondary in the material. Into the unity block, the mixing is more uniform when mixing, and the uniformity of the mixture is improved.

Claims

Rights request

1. A mixing unit for powdery materials, characterized in that: a mixing drum (3), a vibrating screen (19), a scraping blade (20), a dumping gear motor (10) are arranged on the frame (1). ), compound geared motor

(9) a vibrator (14), a scraper motor (15) and a cover driving device, wherein the frame (1) is mounted with a rotating rotating hollow shaft (2), and the rotating material is hollow The shaft (2) is provided with a reversing gear box (23), and the other end of the rotating rotating hollow shaft (2) and the reversing gear motor

(10) being connected by a crank mechanism, wherein a mixing drum drive shaft (8) is arranged in the rotating rotating hollow shaft (2), and the mixing barrel drive shaft (8) end is mixed with the mixture a geared motor (9) is connected to the drive, and the other end is connected to the mixing drum (3) through the reversing gear box (23); the vibrating screen (19) is installed in the mixing tank ( 3) above, a mixing barrel dust cover (13) is mounted on the frame (1), and the mixing barrel dust cover (13) is drivingly connected with the opening cover driving device (27). The discharge port of the vibrating screen (19) is docked with a feeding port (24) on the dust cover (13) of the mixing tank through a hose (25), the vibrator (14) and the The vibrating screen (19) is connected, the scraping blade (20) is disposed in the vibrating screen (19), and the scraping motor (15) is drivingly connected to the scraping blade (20). A charging drum (5) is disposed below the mixing tank (3).

2. The mixing unit of powdery material according to claim 1, wherein: said mixing tank (3), a vibrating screen (19), and a scraping blade (20) are disposed in said frame ( On one side of 1), the dumping geared motor (10), the compounding geared motor (9), the vibrator (14), the scraper motor (15) and the opening cover driving device are disposed in the frame ( 1) on the other side.

3. The mixing unit of powdery material according to claim 1 or 2, characterized in that: the mixing bucket dust cover (13) is connected with a third crank (30), and the cover driving device (27) The transmission is coupled to a second crank (28), and the second crank (28) is drivingly coupled to the third crank (30) via a second link (26).

4. The mixing unit of powdery material according to claim 1 or 2, characterized in that: the frame (1) is provided with a guide opening (32) below the mixing tank (3). The rack (1) is provided with a lifting device (18) under the guiding port (32), and the loading barrel (5) is placed on the lifting device (18) And as the lifting device (18) rises or falls, it is docked or separated from the guiding port (32).

A mixing unit for powdery materials according to claim 1 or 2, characterized in that: said charging drum (5) is placed on the transporting vehicle (6).

6. A mixing unit for powdered material according to claim 5, characterized in that said conveying vehicle (6) is arranged in a water discharge rail (7).

7. The mixing unit of powdered material according to claim 3, characterized in that: said charging drum (5) is placed on the transporting vehicle (6).

8. The mixing unit of powdered material according to claim 7, characterized in that: said transporting vehicle (6) is arranged in a water discharge rail (7).

The mixing unit of the powdery material according to claim 1 or 2, characterized in that: the mixing drum (3) is provided with a mixing blade (4), and the mixing blade (4) The blades of the three levels of high, medium and low are fixed on the mixing tank (3).

10. The mixing unit of the powdery material according to claim 1 or 2, characterized in that: the explosion-proof wall (21) of the scraping motor (15), the dumping geared motor (10), the compounding geared motor (9) The open cover driving device is separated from the vibrating screen (19), the mixing tank (3), the open cover sliding shaft device, the vibrator (14), and the transport truck.