Rotary vibration sieve for sieving powdery medicament

Abstract

The utility model discloses a spin vibration sieve for powder medicament sieving, which belongs to the technical field of medicament sieving, and comprises a feed pipe, a stock bin, a vibration component and a discharge pipe, the feed pipe is arranged at the top end of the stock bin, the vibration component is arranged in the stock bin, the discharge pipe is arranged on the side edge of the stock bin, the feed pipe is Z-shaped, a funnel-shaped feed port is arranged at the top end of the feed pipe, and the vibration component is arranged in the discharge pipe. The feeding pipe is provided with a Z-shaped feeding pipe, the feeding pipe is provided with a filtering piece, the filtering piece is provided with a filtering net, the filtering net is provided with filtering cloth, the filtering piece is used for preventing dust from flying into air, and the filtering cloth is used for allowing gas to pass through and adsorbing the dust. Light dust generated by blanking vibration is adsorbed on the filter cloth through the filter cloth and cannot fly into air, and the risks of air pollution and personnel inhalation infection are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of medicine screening, and more specifically to a rotary vibrating screen for screening powdered medicines. Background Art

[0002] Vibrating screen is a high-precision fine powder screening machine. Its working principle is that an upright motor is used as the excitation source. Eccentric weights are installed at the upper and lower ends of the motor to convert the rotational motion of the motor into horizontal, vertical and inclined three-dimensional motion, and then transmit this motion to the screen surface. By adjusting the phase angles at the upper and lower ends, the motion trajectory of the material on the screen surface can be changed. Existing rotary vibrating screens generally have open feeding covers. When screening powdered materials, when using an open feeding cover, rapid vibration will generate dust flying into the air, causing discomfort to the operator when inhaled, and some dust will also cause air pollution. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art that when an open feeding cover is used, rapid vibration will generate dust flying into the air, causing discomfort to operators when inhaled, and some dust will also cause air pollution. A rotary vibrating screen for screening powdered medicines is provided to solve the above shortcomings.

[0004] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is:

[0005] The utility model discloses a rotary vibrating screen for screening powdered medicines, comprising a feed pipe, a silo, a vibration assembly and a discharge pipe, wherein the feed pipe is arranged at the top of the silo, the vibration assembly is arranged in the silo, the discharge pipe is arranged at the side of the silo, the feed pipe is "Z"-shaped, a funnel-shaped feed port is arranged at the top of the feed pipe, a filter element is arranged on the feed pipe, a filter screen is arranged on the filter element, a filter cloth is arranged on the filter screen, the filter element is used to prevent dust from flying into the air, and the filter cloth is used to pass gas and absorb dust.

[0006] Preferably, the vibration assembly includes a vibration disk, a motor, an upper eccentric weight and a lower eccentric weight, the vibration disk is arranged above the motor, and the upper eccentric weight and the lower eccentric weight are respectively connected to the upper and lower ends of the motor for converting the rotational motion of the motor into horizontal, vertical and inclined three-dimensional motion.

[0007] Preferably, the silo includes a first silo, a second silo and a third silo, the first silo is arranged above the second silo, the third silo is arranged below the second silo, and vibrating plates are arranged between the first silo and the second silo and between the second silo and the third silo. There are multiple types of vibrating plates, and the holes of each vibrating plate are of different sizes.

[0008] Preferably, a pressing edge is provided at the lower end of the first bin, a pressing groove edge is provided at the upper end of the second bin, a pressing edge is provided at the lower end of the second bin, a pressing groove edge is provided at the upper end of the third bin, and the vibration plate is clamped on the pressing groove edge.

[0009] Preferably, the first bin and the second bin as well as the second bin and the third bin are connected via a movable hoop, and the inner wall of the movable hoop is provided with a notch for engaging the pressing edge and the pressing groove edge.

[0010] Preferably, the movable hoop comprises a first hoop and a second hoop, the first hoop and the second hoop are symmetrically arranged, and the first hoop and the second hoop are locked and connected by bolts passing through connecting pieces on the first hoop and the second hoop.

[0011] Preferably, fixed connecting parts are symmetrically arranged on the sides of the silo to prevent the first silo, the second silo and the third silo from vibrating and dislocating, and a base is connected to the bottom of the silo through a spring.

[0012] Preferably, a triangular connector is provided on the fixed connector, the triangular connector is provided on the side of the first bin, the triangular connector is provided on the upper end of the movable hoop, a rounded connector is provided below the triangular connector, the rounded connector is provided on the side of the third bin, the rounded connector is provided at the lower end of the movable hoop, and the triangular connector and the rounded connector are connected by a connecting shaft.

[0013] Preferably, the discharge pipe includes a first outlet, a second outlet and a third outlet, the first outlet is arranged on the side of the first bin, the second outlet is arranged on the side of the second bin, and the third outlet is arranged on the side of the third outlet.

[0014] Preferably, a first material receiving basin is arranged below the first outlet, a second material receiving basin is arranged below the second outlet, and a third material receiving basin is arranged below the third outlet.

[0015] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0016] The utility model discloses a rotary vibrating screen for screening powdered medicines. By arranging a "Z"-shaped feeding pipe and a filter element, light dust generated by the vibration of falling materials can be adsorbed on the filter cloth and will not fly into the air, thus avoiding air pollution and the risk of infection by inhalation of personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of a rotary vibrating screen for screening powdered medicines according to the utility model;

[0018] Figure 2 Another perspective view of a rotary vibrating sieve for screening powdered medicines according to the utility model;

[0019] Figure 3 This is a structural diagram of the connection between the first bin, the second bin and the third bin of the utility model;

[0020] Figure 4 This is a structural diagram of the filter element of the utility model;

[0021] Figure 5 This is a structural diagram of the fixed connecting piece of the utility model.

[0022] In the figure: 1. feed pipe; 11. filter element; 111. filter screen; 2. silo; 21. first silo; 211. pressing edge; 22. second silo; 221. pressing groove edge; 23. third silo; 24. fixed connector; 241. triangular connector; 242. rounded connector; 243. connecting shaft; 3. vibration assembly; 31. vibration disk; 4. discharge pipe; 41. first outlet; 42. second outlet; 43. third outlet; 5. movable hoop; 51. first hoop; 52. second hoop; 6. spring; 7. base; 81. first receiving basin; 82. second receiving basin; 83. third receiving basin. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0025] Combination Figure 1 , Figure 2 and Figure 4 The utility model discloses a rotary vibrating screen for screening powdered medicine, comprising a feed pipe 1, a silo 2, a vibration component 3 and a discharge pipe 4. The feed pipe 1 is arranged at the top of the silo 2, the vibration component 3 is arranged in the silo 2, the discharge pipe 4 is arranged at the side of the silo 2, the feed pipe 1 is "Z"-shaped, the feed pipe 1 is inclined at a certain angle to facilitate material dropping, a funnel-shaped feed port is arranged at the top of the feed pipe 1 for powder material to pass through, a filter element 11 is arranged on the feed pipe 1 for filtering dust, a filter screen 111 is arranged on the filter element 11, and a filter cloth is connected to the filter screen 111, the filter cloth is used for gas passing and adsorbing dust, and the filter element 11 is movably connected to the feed pipe 1 and can be disassembled to replace other specifications and sizes according to the amount of material dropped.

[0026] Combination Figure 1-Figure 3 The vibration assembly 3 includes a vibration disk 31, a motor, an upper eccentric weight and a lower eccentric weight. The upper eccentric weight is connected to the upper end of the motor, and the lower eccentric weight is connected to the lower end of the motor. The upper eccentric weight and the lower eccentric weight are used to convert the rotational motion of the motor into horizontal, vertical and inclined three-dimensional motion. The vibration disk 31 is arranged above the motor, and the vibration of the motor drives the vibration disk 31 to vibrate.

[0027] The silo 2 includes a first silo 21, a second silo 22 and a third silo 23. The first silo 21 is arranged above the second silo 22, and the third silo 23 is arranged below the second silo 22. Vibrating plates 31 with different hole specifications are arranged between the first silo 21 and the second silo 22 and between the second silo 22 and the third silo 23 respectively.

[0028] The outer wall at the lower end of the first bin 21 is connected to a pressing edge 211, the outer wall at the upper end of the second bin 22 is connected to a pressing groove edge 221, the outer wall at the lower end of the second bin 22 is connected to a pressing edge 211, the outer wall at the upper end of the third bin 23 is connected to a pressing groove edge 221, the vibration plate 31 is engaged on the pressing groove edge 221, and the pressing edge 211 is pressed on the vibration plate 31.

[0029] The first bin 21 and the second bin 22 as well as the second bin 22 and the third bin 23 are respectively connected by a movable hoop 5, the inner wall of the movable hoop 5 is provided with a slot, the pressing edge 211 and the pressing groove edge 221 are engaged in the slot on the inner wall of the movable hoop 5, the movable hoop 5 comprises a first hoop 51 and a second hoop 52, the first hoop 51 and the second hoop 52 are symmetrically arranged, the first hoop 51 and the second hoop 52 are respectively locked and connected by bolts passing through the connecting pieces on the first hoop 51 and the second hoop 52 to prevent the vibration plate 31 from falling off during vibration.

[0030] Combination Figure 2 and Figure 5 A fixed connector 24 is symmetrically connected to the side of the silo 2, and the fixed connector 24 is used to prevent the first silo 21, the second silo 22 and the third silo 23 from vibrating and dislocating. A base 7 is also provided below the silo 2, and the silo 2 and the base 7 are connected by a spring 6. A triangular connector 241 is provided on the fixed connector 24, and the triangular connector 241 is provided on the first silo 21. The triangular connector 241 is connected to the upper end of the movable hoop 5. A rounded connector 242 is provided on the side of the third silo 23, and the rounded connector 242 is connected to the lower end of the movable hoop 5. The triangular connector 241 and the rounded connector 242 are movably connected through a connecting shaft 243 and are locked by a locking nut.

[0031] Combination Figure 1-Figure 2 The discharge pipe 4 includes a first outlet 41, a second outlet 42 and a third outlet 43. The first outlet 41 is connected to the side of the first bin 21, the second outlet 42 is connected to the side of the second bin 22, and the third outlet 43 is connected to the side of the third outlet 43. The first outlet 41, the second outlet 42 and the third outlet 43 are staggered. A first material receiving basin 81 is arranged below the first outlet 41, a second material receiving basin 82 is arranged below the second outlet 42, and a third material receiving basin 83 is arranged below the third outlet 43. The first material receiving basin 81, the second material receiving basin 82 and the third material receiving basin 83 are used for receiving materials, and their sizes can be changed.

[0032] Working principle: start the motor and pour the powdery material into the feed pipe 1 through the funnel-shaped feed port. The powdery material flows into the first bin 21 through the feed pipe 1. The vibration of the motor drives the vibration of the vibration disk 31. The light dust generated by the falling material vibration flies back to the feed pipe 1, and the dust is adsorbed and filtered by the filter cloth on the filter element 11. The coarse material in the first bin 21 flows into the first receiving basin 81 through the first outlet 41, and the powdery material flowing into the second bin 22 through the vibration of the vibration disk 31 under the first bin 21 flows into the second receiving basin 82 through the second outlet 42. The fine powdery material flowing into the third bin 23 through the vibration of the vibration disk 31 under the second bin 22 flows into the third receiving basin 83 through the third outlet 43.

[0033] In summary, the utility model provides a rotary vibrating screen for screening powdered medicines. By providing a "Z"-shaped feed pipe 1 and a filter element 11, the light dust generated by the falling material vibration is adsorbed on the filter cloth and does not fly into the air, thereby avoiding air pollution and the risk of infection by inhalation.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary vibrating screen for screening powdered medicines, comprising a feed pipe (1), a silo (2), a vibrating assembly (3) and a discharge pipe (4), characterized in that: The feed pipe (1) is arranged at the top of the silo (2), the vibration component (3) is arranged in the silo (2), the discharge pipe (4) is arranged at the side of the silo (2), the feed pipe (1) is "Z"-shaped, a funnel-shaped feed port is arranged at the top of the feed pipe (1), a filter element (11) is arranged on the feed pipe (1), a filter net (111) is arranged on the filter element (11), and a filter cloth is arranged on the filter net (111), the filter element (111) is used to prevent dust from flying into the air, and the filter cloth is used to allow gas to pass and absorb dust.

2. A rotary vibrating screen for screening powdered medicines according to claim 1, characterized in that: The vibration assembly (3) comprises a vibration plate (31), a motor, an upper eccentric weight and a lower eccentric weight. The vibration plate (31) is arranged above the motor. The upper eccentric weight and the lower eccentric weight are respectively connected to the upper and lower ends of the motor for converting the rotational motion of the motor into horizontal, vertical and inclined three-dimensional motion.

3. A rotary vibrating screen for screening powdered medicines according to claim 2, characterized in that: The material bin (2) comprises a first bin (21), a second bin (22) and a third bin (23); the first bin (21) is arranged above the second bin (22), the third bin (23) is arranged below the second bin (22), and a vibration disk (31) is arranged between the first bin (21) and the second bin (22) and between the second bin (22) and the third bin (23); the vibration disk (31) is provided in multiple types, and each vibration disk (31) has a hole of different size.

4. A rotary vibrating screen for screening powdered medicines according to claim 3, characterized in that: The first bin (21) is provided with a pressing edge (211) at the lower end, the second bin (22) is provided with a groove pressing edge (221) at the upper end, the second bin (22) is provided with a pressing edge (211) at the lower end, the third bin (23) is provided with a groove pressing edge (221) at the upper end, and the vibration plate (31) is engaged with the groove pressing edge (221).

5. A rotary vibrating screen for screening powdered medicines according to claim 4, characterized in that: The first bin (21) and the second bin (22) as well as the second bin (22) and the third bin (23) are connected via a movable hoop (5), and the inner wall of the movable hoop (5) is provided with a notch for engaging the pressing edge (211) and the pressing groove edge (221).

6. A rotary vibrating screen for screening powdered medicines according to claim 5, characterized in that: The movable hoop (5) comprises a first hoop (51) and a second hoop (52), the first hoop (51) and the second hoop (52) are symmetrically arranged, and the first hoop (51) and the second hoop (52) are locked and connected by bolts passing through connecting pieces on the first hoop (51) and the second hoop (52).

7. A rotary vibrating screen for screening powdered medicines according to claim 6, characterized in that: The sides of the silo (2) are symmetrically provided with fixed connecting parts (24) for preventing the first silo (21), the second silo (22) and the third silo (23) from vibrating and dislocating. The bottom of the silo (2) is also connected to a base (7) via a spring (6).

8. The vortex vibrating screen for screening powdered medicines according to claim 7, characterized in that: The fixed connecting member (24) is provided with a triangular connecting member (241), the triangular connecting member (241) is arranged on the side of the first bin (21), the triangular connecting member (241) is arranged on the upper end of the movable hoop (5), a rounded connecting member (242) is arranged below the triangular connecting member (241), the rounded connecting member (242) is arranged on the side of the third bin (23), the rounded connecting member (242) is arranged on the lower end of the movable hoop (5), and the triangular connecting member (241) and the rounded connecting member (242) are connected via a connecting shaft (243).

9. The rotary vibrating screen for screening powdered medicine according to claim 1, characterized in that: The discharge pipe (4) comprises a first outlet (41), a second outlet (42) and a third outlet (43); the first outlet (41) is arranged on the side of the first bin (21), the second outlet (42) is arranged on the side of the second bin (22), and the third outlet (43) is arranged on the side of the third outlet (43).

10. A rotary vibrating screen for screening powdered medicines according to claim 9, characterized in that: A first material receiving basin (81) is arranged below the first outlet (41), a second material receiving basin (82) is arranged below the second outlet (42), and a third material receiving basin (83) is arranged below the third outlet (43).

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