CN217911415U

CN217911415U - Grading and screening device for powder bulk drug

Info

Publication number: CN217911415U
Application number: CN202221980490.2U
Authority: CN
Inventors: 胡英杰; 高翠华; 闫永平; 胡建军
Original assignee: Hefei Xin'anran Bio Tech Co ltd
Current assignee: Hefei Xin'anran Bio Tech Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-29
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a hierarchical screening plant of powder bulk drug, the inside rotation of shell body is connected with an interior sieve section of thick bamboo, interior sieve section of thick bamboo one end is rotated and is connected at the baffle middle part, baffle fixed connection is in the inside one side of shell body, cup joint on the inside interior sieve section of thick bamboo of shell body and be connected with an outer sieve section of thick bamboo, an outer sieve section of thick bamboo one end fixed connection is on an interior sieve section of thick bamboo, the outer sieve section of thick bamboo other end rotates and connects in the shell body, the port has been seted up to shell body one end, interior sieve section of thick bamboo one end is rotated and is connected in the port, and interior sieve section of thick bamboo wears the port after, fixedly connected with drive gear on its outside lateral wall, shell body upper end one side fixedly connected with driving motor, fixedly connected with drive gear on the driving motor, be connected through chain drive between drive gear and the drive gear, it is connected with the inlet pipe to be located outside interior sieve section of thick bamboo one end rotation. The utility model aims at providing an easy operation can realize powder screening work fast, and work efficiency is high, can realize the screening plant of hierarchical screening.

Description

Grading and screening device for powder bulk drug

Technical Field

The utility model relates to a screening equipment technical field, specific hierarchical screening plant of powder bulk drug that says so.

Background

Sieving is a method of separating particles of a particle group according to the particle size, specific gravity, chargeability, magnetism, and other powder properties. The operation of dividing the mixed material with different particle sizes into different particle size grades by using a perforated screen surface is called screening.

Most of existing screening devices only have one screen, multi-stage screening operation is required to be achieved, the screens with different apertures need to be continuously replaced to achieve classified screening, operation is complex, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing an easy operation can realize powder screening work fast, and work efficiency is high, can realize the screening plant of hierarchical screening.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a hierarchical screening plant of powder bulk drug, includes shell body, an interior sieve section of thick bamboo, an outer sieve section of thick bamboo, the inside rotation of shell body is connected with an interior sieve section of thick bamboo, leave certain ejection of compact space between an interior sieve section of thick bamboo and the shell body one end lateral wall for conveniently derive the raw materials of sieving out in the interior sieve section of thick bamboo, fixedly connected with first bearing on the periphery lateral wall of an interior sieve section of thick bamboo one end, first bearing nested connection is at the baffle middle part, baffle fixed connection is in the inside one side of shell body, just the baffle is located the one end that the clearance was left to the interior sieve section of thick bamboo, cup joint on the inside interior sieve section of thick bamboo of shell body is connected with an outer sieve section of thick bamboo, be in the removal space between an interior sieve section of thick bamboo and the outer sieve section of thick bamboo, and leave certain space between outer sieve section of thick bamboo and the shell body inside wall equally, make things convenient for the activity of powder, outer sieve section of thick bamboo one end fixed connection is on the interior sieve section of thick bamboo, fixedly connected with the second bearing on the lateral wall of the outer sieve section of thick bamboo other end, the second bearing is embedded and is connected with the shell body, just the second bearing is located baffle one end position, drive gear one end is connected with drive gear and is connected with the outer drive gear outside drive motor drive gear on the shell body outside drive gear is connected with drive gear on the fixed connection of the shell body.

In some embodiments, the lower end of the feeding pipe is fixedly connected with a first supporting column, the middle part of the first supporting column is connected with the lower end of the outer shell through a connecting rod, and the other end of the outer shell is fixedly connected with a second supporting column.

In some embodiments, the inner screen drum and the outer screen drum are both provided with a plurality of filtering holes, and the aperture of the filtering holes on the inner screen drum is larger than that of the filtering holes on the outer screen drum.

In some embodiments, the spiral guide strips are fixedly connected to the inner side walls of the inner screen cylinder and the outer screen cylinder respectively.

In some embodiments, a first discharging pipe is fixedly connected to the side wall of the lower end of the outer shell between the partition plate and the second bearing, a second discharging pipe is fixedly connected to the side wall of the lower end of the outer shell on the other side of the partition plate, the outer shell below the outer screen drum is arranged to be in a V-shaped structure, and a third discharging pipe is fixedly connected to the lowest end of the V-shaped structure.

The utility model has the advantages that: the device is simple to operate, can quickly realize powder screening work, has high working efficiency, and can realize the advantage of grading screening.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic diagram of a detailed structure of the portion A1 in FIG. 1;

fig. 3 is a schematic view of the connection structure of the inner screen drum and the outer screen drum of the present invention.

In the figure: 1. an outer housing; 2. an inner screen cylinder; 3. an outer screen cylinder; 4. a first bearing; 5. a partition plate; 6. a second bearing; 7. a third bearing; 8. a transmission gear; 9. a drive gear; 10. a feeding pipe; 11. a first support column; 12. a second support column; 13. a spiral guide bar; 14. a first discharge pipe; 15. a second discharge pipe; 16. a third discharge pipe; 17. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a classifying and screening device for powder raw material comprises an outer shell 1, an inner screen drum 2, and an outer screen drum 3, wherein the inner screen drum 2 is rotatably connected inside the outer shell 1, a certain discharging gap is left between the inner screen drum 2 and the side wall of one end of the outer shell 1 for conveniently guiding out the raw material screened out from the inner screen drum 2, a first bearing 4 is fixedly connected to the outer side wall of one end of the inner screen drum 2, the first bearing 4 is connected to the middle part of a partition plate 5 in a nesting manner, the partition plate 5 is fixedly connected to one side inside the outer shell 1, the partition plate 5 is located at the end of the inner screen drum 2 where the gap is left, the outer screen drum 3 is connected to the inner screen drum 2 inside the outer shell 1 in a nesting manner, a moving space is located between the inner screen drum 2 and the outer screen drum 3, and a certain space is also left between the outer screen drum 3 and the inner side wall of the outer shell 1, make things convenient for the activity of powder, 3 one end fixed connection of outer sieve section of thick bamboo is on interior sieve section of thick bamboo 2, fixedly connected with second bearing 6 on the outer end lateral wall of the 3 other ends of outer sieve section of thick bamboo, 6 built-in connections of second bearing are in shell body 1, and second bearing 6 is located 5 one end positions of baffle, the port has been seted up to 1 one end of shell body, fixedly connected with third bearing 7 in the port, 2 one end fixed connection of interior sieve section of thick bamboo are in third bearing 7, and behind interior sieve section of thick bamboo 2 worn out third bearing 7, fixedly connected with drive gear 8 on its outside lateral wall, 1 upper end one side fixedly connected with driving motor 17 of shell body, fixedly connected with drive gear 9 on the driving motor 17, be connected through chain drive between drive gear 9 and the drive gear 8, 2 one end rotations of sieve section of thick bamboo are connected with inlet pipe 10 in being located the outside.

In some embodiments, the lower end of the feeding pipe 10 is fixedly connected with a first supporting column 11, the middle part of the first supporting column 11 is connected with the lower end of the outer shell 1 through a connecting rod, and the other end of the outer shell 1 is fixedly connected with a second supporting column 12 for integrally supporting and fixing the device.

In some embodiments, the inner screen drum 2 and the outer screen drum 3 are both provided with a plurality of filtering holes, the aperture of the filtering hole on the inner screen drum 2 is larger than that of the filtering hole on the outer screen drum 3, and when in use, the raw materials are classified and screened through the filtering holes respectively.

In some embodiments, the spiral guide strips 13 are fixedly connected to the inner side walls of the inner screen drum 2 and the outer screen drum 3, respectively, and the spiral guide strips 13 can guide powder.

In some embodiments, a first discharge pipe 14 is fixedly connected to the side wall of the lower end of the outer shell 1 between the partition plate 5 and the second bearing 6, the powder sieved in the outer screen cylinder 3 is discharged through the first discharge pipe 14, a second discharge pipe 15 is fixedly connected to the side wall of the lower end of the outer shell 1 on the other side of the partition plate 5, the powder sieved in the inner screen cylinder 2 is discharged through the second discharge pipe 15, the outer shell 1 below the outer screen cylinder 3 is in a V-shaped structure, a third discharge pipe 16 is fixedly connected to the lowest end of the V-shaped structure, the powder filtered by the outer screen cylinder 3 is discharged through the third discharge pipe 16, and the particle size of the powder discharged by the second discharge pipe 15 is larger than the particle size of the powder discharged by the first discharge pipe 14 and larger than the particle size of the powder discharged by the third discharge pipe 16.

The utility model discloses a theory of operation is: in a specific using process, firstly, a driving motor 17 is started, the driving motor 17 drives a driving gear 9 to rotate, the driving gear 9 drives a transmission gear 8 to rotate, the transmission gear 8 drives an inner screen cylinder 2 to rotate, the inner screen cylinder 2 drives an outer screen cylinder 3 to rotate together, powder to be screened is continuously put into a feeding pipe 10 at the moment, the powder enters one end of the inner screen cylinder 2 through the feeding pipe 10, then the powder is gradually moved to the other end under the action of a spiral material guide strip 13 on the inner side wall of the inner screen cylinder 2, in a certain process, the powder with medium size and small particle size is filtered into the outer screen cylinder 3 through a filter hole in the inner screen cylinder 2, the powder with large particle size is intercepted in the inner screen cylinder 2 and is led out from the other end of the inner screen cylinder 2, and then the powder is led out through a second opposite discharging pipe 15; and the powder of medium size and less particle size then falls inside outer screen drum 3, outer screen drum 3 follows inner screen drum 2 and rotates together, the powder on the outer screen drum 3 is same to be removed to baffle 5 one end under the effect of spiral guide strip 13, in this process, the powder of less particle size is sieved to the shell body 1 in through filtering the hole, and the powder of medium size then drops from outer screen drum 3 one end, and derive from first discharging pipe 14, and the powder of less particle size is then derived through third discharging pipe 16 in the shell body 1.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a hierarchical screening plant of powder bulk drug, includes shell body (1), an interior sieve section of thick bamboo (2), an outer sieve section of thick bamboo (3), its characterized in that: an inner screen drum (2) is rotatably connected inside the outer shell (1), a first bearing (4) is fixedly connected on the peripheral side wall of one end of the inner screen drum (2), the first bearing (4) is nested in the middle of the partition plate (5), the partition plate (5) is fixedly connected to one side in the outer shell (1), an inner screen drum (2) in the outer shell (1) is connected with an outer screen drum (3) in a sleeved mode, one end of the outer screen drum (3) is fixedly connected with the inner screen drum (2), a second bearing (6) is fixedly connected on the side wall of the outer end of the other end of the outer screen drum (3), the second bearing (6) is fixedly connected in the outer shell (1), one end of the outer shell (1) is provided with a port, a third bearing (7) is fixedly connected in the port, one end of the inner screen drum (2) is fixedly connected in a third bearing (7), and after the inner screen drum (2) penetrates out of the third bearing (7), a transmission gear (8) is fixedly connected on the outer side wall of the shell, a driving motor (17) is fixedly connected on one side of the upper end of the shell (1), a driving gear (9) is fixedly connected on the driving motor (17), the driving gear (9) is connected with the transmission gear (8) through a chain in a transmission manner, and is located outside one end of the inner screen drum (2) is rotatably connected with the feeding pipe (10).

2. The classifying and screening device for powder bulk drugs according to claim 1, wherein: the feeding pipe (10) lower extreme fixedly connected with first support column (11), first support column (11) middle part is connected with shell body (1) lower extreme through the connecting rod, shell body (1) other end fixedly connected with second support column (12).

3. The classifying and screening device for powder bulk drugs according to claim 1, characterized in that: a plurality of filtering holes are formed in the inner screen drum (2) and the outer screen drum (3), and the aperture of the filtering hole in the inner screen drum (2) is larger than that of the filtering hole in the outer screen drum (3).

4. The classifying and screening device for powder bulk drugs according to claim 1, wherein: and the inner side walls of the inner screen drum (2) and the outer screen drum (3) are respectively and fixedly connected with spiral material guiding strips (13).

5. The classifying and screening device for powder bulk drugs according to claim 1, wherein: the sieve is characterized in that a first discharging pipe (14) is fixedly connected to the side wall of the lower end of an outer shell (1) between a partition plate (5) and a second bearing (6), a second discharging pipe (15) is fixedly connected to the side wall of the lower end of the outer shell (1) on the other side of the partition plate (5), the outer shell (1) below an outer sieve drum (3) is arranged to be of a V-shaped structure, and a third discharging pipe (16) is fixedly connected to the lowest end of the V-shaped structure.