CN212974511U

CN212974511U - Dust pelletizing system of agent mixing chamber is mixed in advance to film coating

Info

Publication number: CN212974511U
Application number: CN202021512709.7U
Authority: CN
Inventors: 陈佩英; 刘晨
Original assignee: BEIJING YINGMAO PHARMACEUTICAL CO LTD
Current assignee: BEIJING YINGMAO PHARMACEUTICAL CO LTD
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-16
Anticipated expiration: 2030-07-27

Abstract

The application relates to a dust removal system of a film coating premixing agent mixing chamber, which comprises a mixing chamber body, wherein a dust suction pipe is communicated with the side wall of the mixing chamber body, one end, far away from the mixing chamber body, of the dust suction pipe is provided with a dust removal chamber, the lower end of the dust removal chamber is provided with a dust outlet, one side, far away from the dust suction pipe, of the dust removal chamber is provided with a gas outlet, a filtering mechanism for filtering gas with raw material powder is arranged in a cavity of the dust removal chamber, and the filtering mechanism is positioned above the dust suction pipe and below the gas outlet; the filtering mechanism comprises a filter screen arranged in a dust chamber cavity and a driving assembly for driving the filter screen to vibrate up and down. It has the effect that it is convenient to remove dust, and dust collection efficiency is high.

Description

Dust pelletizing system of agent mixing chamber is mixed in advance to film coating

Technical Field

The application relates to the technical field of dust pelletizing systems, especially relate to a dust pelletizing system of film coating mixes agent mixing chamber in advance.

Background

At present, various novel high molecular polymers have been popularized and developed with the advent of novel coating equipment.

The film coating agent is generally composed of 4 parts of film forming agent, plasticizer, solid additive and auxiliary agent, and these materials are mixed uniformly in advance according to a certain formula, proportion and specific production process to form a complete production material, so that it is also called film coating premixing agent.

Because raw and other materials powder is very tiny powder, its in-process powder that mixes at the mixing chamber can be raised, causes the pollution, and what mostly adopted for pollution abatement now is to communicate the sack cleaner in the mode of mixing chamber, behind the sack cleaner work a period, can accumulate a large amount of powders on the sack, treat when the powder accumulation is too much, just can influence the work efficiency of sack cleaner.

In view of the above-mentioned related technologies, the inventor believes that there are the defects that the bag-type dust collector is used for a long time, the working efficiency is low and the replacement is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to reach the effect that does not need to change alright improve dust collection efficiency, the application provides a dust pelletizing system of film coating mixes agent mixing chamber in advance.

The application provides a dust pelletizing system in film coating mixes agent mixing chamber in advance adopts following technical scheme:

a dust removal system of a film coating premixing agent mixing chamber comprises a mixing chamber body, wherein a dust suction pipe is communicated with the side wall of the mixing chamber body, a dust removal chamber is arranged at one end, far away from the mixing chamber body, of the dust suction pipe, a dust outlet is formed in the lower end of the dust removal chamber, a gas outlet is formed in one side, far away from the dust suction pipe, of the dust removal chamber, a filtering mechanism for filtering gas with raw material powder is arranged in a cavity of the dust removal chamber, and the filtering mechanism is located above the dust suction pipe and below the gas outlet; the filtering mechanism comprises a filter screen arranged in a dust chamber cavity and a driving assembly for driving the filter screen to vibrate up and down.

By adopting the technical scheme, the dust removal chamber is communicated with one side of the mixing chamber body, the filter screen is arranged in the cavity of the dust removal chamber, raw material powder entering the dust removal chamber can be filtered, the filter screen is not required to be replaced due to the arrangement of the driving assembly, and the raw material powder on the filter screen is directly shaken off, so that the working efficiency of the filter screen is improved; it has the convenience of removing dust, and the advantage that dust collection efficiency is high.

Preferably: the drive assembly comprises a rotating rod, an eccentric wheel and a driving part, wherein the two ends of the rotating rod are respectively connected to the inner wall of the dust removal chamber in a rotating mode, the eccentric wheel is fixedly arranged on the rotating rod, the driving part drives the eccentric wheel to rotate, and the lower surface of the filter screen is abutted to the outer peripheral surface of the eccentric wheel.

Through adopting above-mentioned technical scheme, the drive driving piece, the driving piece drives the dwang and rotates, and the dwang drives the eccentric wheel and rotates, and the eccentric wheel drives vibrations from top to bottom of filter screen to, the realization is shaken raw materials powder and is fallen down.

Preferably: the driving piece comprises a driving motor, and the output shaft of the driving motor penetrates through the end part behind the outer wall of the dust removal chamber and is fixedly connected with one end of the rotating rod.

Through adopting above-mentioned technical scheme, the driving piece adopts driving motor, and the cost of using manpower sparingly improves work efficiency in full-automatic mode.

Preferably: the eccentric wheels are arranged in two numbers, and the two eccentric wheels are arranged at intervals.

Through adopting above-mentioned technical scheme, the setting of two eccentric wheels improves the stability of filter screen vibrations in-process.

Preferably: the eccentric wheel with be provided with the spacing subassembly that strengthens the filter screen in-process stability that slides from top to bottom between the filter screen.

Through adopting above-mentioned technical scheme, the setting of spacing subassembly for the eccentric wheel is more stable at the in-process of filter screen vibrations from top to bottom.

Preferably: spacing subassembly includes the butt in the sliding block of eccentric wheel upper end outer peripheral face, sets firmly the gag lever post in the sliding block upper surface and sets firmly the stopper in the dust removal chamber inner wall, spacing hole has been seted up to the stopper, the tip butt after spacing hole is worn to locate by the gag lever post in the lower surface of filter screen, the sliding block is laminated with the dust removal chamber inner wall towards one side of dust removal chamber inner wall.

Through adopting above-mentioned technical scheme, start driving motor, driving motor drives the dwang and rotates, and the dwang drives the eccentric wheel and rotates, and the eccentric wheel pivoted drives the sliding block and reciprocates simultaneously, and the sliding block drives the gag lever post and reciprocates in spacing downthehole, and the gag lever post drives the filter screen and shakes from top to bottom to, realize shaking the powder and fall.

Preferably: the sliding block with be provided with compression spring between the stopper, and the gag lever post is located to the compression spring cover, compression spring's upper end butt in the lower surface of stopper, lower extreme butt in the upper surface of sliding block.

Through adopting above-mentioned technical scheme, compression spring's setting plays certain cushioning effect when the filter screen is toward the whereabouts, strengthens the stability of filter screen up-and-down reciprocating motion in-process.

Preferably: the inner peripheral wall of the dust removing chamber is provided with a plurality of guide grooves which are arranged at equal intervals along the height direction, the position of the outer peripheral surface of the filter screen on the guide grooves is fixedly provided with guide blocks, and the guide blocks are positioned in the guide grooves; the guide groove is characterized in that a guide rod is fixedly arranged between the upper groove wall and the lower groove wall of the guide groove in the guide groove, a guide hole is formed in the guide block, the guide rod penetrates through the guide hole, and the guide block is connected to the guide rod in a sliding manner.

Through adopting above-mentioned technical scheme, the cooperation setting of guide way and guide block for the in-process that the filter screen slided from top to bottom along the direction of guide way is unlikely to take place the skew, and influences its vibrations effect.

Preferably: a guide hopper with a lower end opening is downwards extended from the dust outlet of the dust chamber, and a first mounting plate is arranged at the lower end opening of the guide hopper; the dust collecting bin with an upper end opening is arranged below the guide hopper, the second mounting plate is arranged at the upper end opening of the dust collecting bin, and the first mounting plate and the second mounting plate are detachably connected through the connecting assembly.

Through adopting above-mentioned technical scheme, can dismantle the mode of being connected with dust collection bin and clean room adoption coupling assembling, conveniently collect the powder after filtering.

Preferably: coupling assembling includes fastening bolt and fastening nut, first screw hole has been seted up to first mounting panel, second screw hole has been seted up to the second mounting panel, fastening bolt pass first screw hole with tip behind the second screw hole adopts fastening nut to fasten.

Through adopting above-mentioned technical scheme, coupling assembling adopts fastening bolt and fastening nut's cooperation, when the realization is fixed first mounting panel and second mounting panel, further strengthens its stability.

To sum up, the beneficial technical effect of this application does:

1. the mixing chamber is communicated with the dust removal chamber on one side of the mixing chamber body, the filter screen is arranged in the cavity of the dust removal chamber, raw material powder entering the dust removal chamber can be filtered, the arrangement of the driving assembly does not need to be changed, and the raw material powder on the filter screen is directly shaken off, so that the working efficiency of the filter screen is improved; it has the advantages of convenient dust removal and high dust removal efficiency;

2. the driving piece is driven to drive the rotating rod to rotate, the rotating rod drives the eccentric wheel to rotate, and the eccentric wheel drives the filter screen to vibrate up and down, so that the raw material powder is shaken down;

3. the driving piece adopts a driving motor, a full-automatic mode is adopted, the labor cost is saved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an overall cross-sectional schematic view of an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of a portion B in fig. 2.

Reference number description, 1, mixing chamber body; 2. a dust collection pipe; 3. a dust chamber; 31. a guide groove; 32. a guide bar; 33. an air outlet pipe; 34. a support plate; 35. an exhaust fan; 41. a filter screen; 411. a guide block; 42. a drive assembly; 421. rotating the rod; 422. an eccentric wheel; 423. a drive motor; 5. a limiting component; 51. a sliding block; 52. a limiting rod; 53. a limiting block; 54. a compression spring; 6. a guide hopper; 61. a first mounting plate; 7. a dust collection bin; 71. a second mounting plate; 8. a connecting assembly; 81. fastening a bolt; 82. fastening a nut; 9. a support frame; 91. a support leg; 92. a panel.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a dust pelletizing system of a film coating premixing agent mixing chamber. Referring to fig. 1, the mixing chamber comprises a mixing chamber body 1, a through hole communicated with the inside is formed in one side of the mixing chamber body 1, a dust suction pipe 2 is communicated with the through hole of the mixing chamber body 1, a dust removal chamber 3 which is supported by a support frame 9 and is vertically arranged in a cylindrical shape is arranged at one end, away from the mixing chamber body 1, of the dust suction pipe 2, the support frame 9 comprises a panel 92 and three support legs 91, the three support legs 91 are arranged in a triangular shape and are welded on the lower surface of the panel 92, a placing opening is formed in the panel 92, and the lower end of the dust removal; a dust inlet is formed in the dust chamber 3 at the position of the dust suction pipe 2, one end of the dust suction pipe 2, which is far away from the mixing chamber body 1, is communicated with the dust inlet, and an exhaust fan 35 (not shown in the figure) is arranged in the dust suction pipe 2 and the communicated part of the dust chamber 3 and is used for pumping powder into the dust chamber 3 for filtering; the dust chamber 3 is provided with a gas outlet at one side opposite to the dust inlet, and the gas outlet is communicated with a gas outlet pipe 33 for discharging the filtered gas.

Referring to fig. 1 and 2, a filtering mechanism for filtering the gas with the raw material powder is arranged in the cavity of the dust removing chamber 3, and the filtering mechanism is positioned above the dust suction pipe 2 and below the air outlet pipe 33; the filtering mechanism comprises a filter screen 41 arranged in the cavity of the dust chamber 3 and a driving assembly 42 for driving the filter screen 41 to vibrate up and down.

Referring to fig. 2 and 3, a plurality of guide grooves 31 are formed in the inner wall of the cavity of the dust removal chamber 3 along the height direction of the cavity, and the guide grooves 31 are uniformly arranged along the inner peripheral wall of the dust removal chamber 3 at equal intervals; the guide blocks 411 are welded on the outer peripheral wall of the filter screen 41 at the positions of the guide grooves 31, and the guide blocks 411 are embedded in the guide grooves 31; the guide slot 31 has the guide bar 32 welded between its upper and lower cell walls, and the guide block 411 has been seted up the guiding hole, and the guiding hole is worn to locate by the guide bar 32, and the guide block 411 is connected in the guide slot 31 internal slipping in guide bar 32.

Referring to fig. 1 and 2, the driving assembly 42 includes a rotating rod 421 with two ends rotatably connected to the inner wall of the dust chamber 3, respectively, and two eccentric wheels 422 disposed at equal intervals and located below the filter screen 41 are welded on the outer circumferential surface of the rotating rod 421; a supporting plate 34 is welded on the outer wall of the dust chamber 3, a driving motor 423 is installed on the upper surface of the supporting plate 34, a via hole is formed in one side of the dust chamber 3 opposite to the dust inlet, the end part, through which an output shaft of the driving motor 423 penetrates, of the driving motor 423 is welded with one end, close to the output shaft of the driving motor 423, of the rotating rod 421, and the driving motor 423 and the rotating rod 421 rotate coaxially; drive driving motor 423, driving motor 423 drive dwang 421 rotates, and dwang 421 drives eccentric wheel 422 and rotates, and eccentric wheel 422 drives filter screen 41 vibrations from top to bottom, realizes, shakes the powder and falls.

Referring to fig. 2 and 4, a limiting assembly 5 for enhancing stability of the filter screen 41 in the up-and-down sliding process is arranged between the eccentric wheel 422 and the filter screen 41, the limiting assembly 5 comprises a sliding block 51 positioned right above the eccentric wheel 422, the lower surface of the sliding block 51 is abutted with the outer peripheral surface of the upper end of the eccentric wheel 422, and one side of the sliding block 51 facing the dust chamber 3 is attached to the inner wall of the dust chamber 3; a limiting block 53 is welded on the inner wall of the dust chamber 3 at a position right above the sliding block 51, the upper surface of the limiting block 53 is attached to the lower surface of the filter screen 41, and a limiting hole is formed in the limiting block 53; be provided with gag lever post 52 between stopper 53 and the sliding block 51, the lower extreme of gag lever post 52 welds in the upper surface of sliding block 51, and spacing hole and slip connection in spacing hole are worn to locate by the upper end of gag lever post 52, and the tip butt behind spacing hole is worn to locate by the upper end of gag lever post 52 in filter screen 41 lower surface.

A compression spring 54 is arranged between the limiting block 53 and the sliding block 51, the compression spring 54 is sleeved on the limiting rod 52, one end of the compression spring 54 abuts against the upper surface of the sliding block 51, and the other end abuts against the lower surface of the limiting block 53.

Start driving motor 423, driving motor 423 drives dwang 421 and rotates, and dwang 421 drives eccentric wheel 422 and rotates, and eccentric wheel 422 pivoted while drive sliding block 51 reciprocates, and sliding block 51 drives gag lever post 52 and reciprocates in spacing downthehole, and gag lever post 52 drives filter screen 41 and shakes from top to bottom to, the realization falls the powder shake.

Referring to fig. 1 and 2, a dust outlet is formed in the lower end of a dust removing chamber 3, a guide hopper 6 with a lower end opening is extended from the bottom of the dust removing chamber 3 at the dust outlet, the lower end of the guide hopper 6 is detachably connected with a dust collecting bin 7 with an upper end opening, a first mounting plate 61 is integrally formed at the lower end opening of the guide hopper 6, four first threaded holes are formed in the first mounting plate 61, and the four first threaded holes are arranged at equal intervals along the circumferential direction of the first mounting plate 61; a second mounting plate 71 is integrally formed at an opening at the upper end of the dust collection bin 7, four second threaded holes are formed in the second mounting plate 71, and the four second threaded holes are arranged at equal intervals along the circumferential direction of the second mounting plate 71; first mounting panel 61 and second mounting panel 71 can dismantle the connection through four groups of coupling assembling 8, and four groups of coupling assembling 8 are located four first screw hole departments of first mounting panel 61 respectively, and every group of coupling assembling 8 includes fastening bolt 81 and fastening nut 82, and fastening bolt 81 adopts fastening nut 82 screw thread fastening through the tip behind first screw hole and the second screw hole.

The implementation principle of the dust removal system of the film coating premixing agent mixing chamber in the embodiment of the application is as follows: when the dust removal system is used, firstly, the exhaust fan 35 is started, raw material powder reaches the filter screen 41 in the dust removal chamber 3 through the dust collection pipe 2 under the action of the exhaust fan 35, the raw material powder with larger particles and larger specific gravity is sunk and reduced under the action of gravity, and gas containing smaller raw material powder is blocked under the action of the filter screen 41; then, the driving motor 423 is started, the driving motor 423 drives the rotating rod 421 to rotate, the rotating rod 421 drives the eccentric wheel 422 to rotate, the eccentric wheel 422 rotates and simultaneously drives the sliding block 51 to move up and down, the sliding block 51 drives the limiting rod 52 to move up and down in the limiting hole, and the limiting rod 52 drives the filter screen 41 to vibrate up and down, so that the powder is shaken off, the shaken off powder falls into the dust collection bin 7, and the raw material powder is collected; the purified gas is discharged through the gas outlet pipe 33.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a dust pelletizing system of film coating mixes agent mixing chamber in advance, includes mixing chamber body (1), its characterized in that: the side wall of the mixing chamber body (1) is communicated with a dust suction pipe (2), one end, far away from the mixing chamber body (1), of the dust suction pipe (2) is provided with a dust removal chamber (3), the lower end of the dust removal chamber (3) is provided with a dust outlet, one side, far away from the dust suction pipe (2), of the dust removal chamber (3) is provided with a gas outlet, a cavity of the dust removal chamber (3) is internally provided with a filtering mechanism for filtering gas with raw material powder, and the filtering mechanism is positioned above the dust suction pipe (2) and below the gas outlet; the filtering mechanism comprises a filter screen (41) arranged in the cavity of the dust chamber (3) and a driving assembly (42) for driving the filter screen (41) to vibrate up and down; the driving assembly (42) comprises a rotating rod (421) with two ends respectively rotatably connected to the inner wall of the dust chamber (3), an eccentric wheel (422) fixedly arranged on the rotating rod (421) and a driving part for driving the eccentric wheel (422) to rotate, and the lower surface of the filter screen (41) is abutted to the outer peripheral surface of the eccentric wheel (422); a limiting component (5) for enhancing the stability of the filter screen (41) in the up-and-down sliding process is arranged between the eccentric wheel (422) and the filter screen (41); spacing subassembly (5) including butt in eccentric wheel (422) upper end outer peripheral face slide block (51), set firmly in gag lever post (52) of slide block (51) upper surface and set firmly in stopper (53) of clean room (3) inner wall, spacing hole has been seted up in stopper (53), tip butt in the lower surface of filter screen (41) behind spacing hole is worn to locate by gag lever post (52), slide block (51) are laminated with clean room (3) inner wall towards one side of clean room (3) inner wall mutually.

2. The dust removal system of a film-coated premix mixing chamber as claimed in claim 1, wherein: the driving piece comprises a driving motor (423), and an output shaft of the driving motor (423) penetrates through the end part behind the outer wall of the dust removal chamber (3) and is fixedly connected with one end of the rotating rod (421).

3. The dust removal system of a film-coated premix mixing chamber as claimed in claim 1, wherein: the number of the eccentric wheels (422) is two, and the two eccentric wheels (422) are arranged at intervals.

4. The dust removal system of a film-coated premix mixing chamber as claimed in claim 1, wherein: a compression spring (54) is arranged between the sliding block (51) and the limiting block (53), the limiting rod (52) is sleeved with the compression spring (54), the upper end of the compression spring (54) abuts against the lower surface of the limiting block (53), and the lower end of the compression spring abuts against the upper surface of the sliding block (51).

5. The dust removal system of a film-coated premix mixing chamber as claimed in claim 1, wherein: the inner peripheral wall of the dust removing chamber (3) is provided with a plurality of guide grooves (31) which are arranged at equal intervals along the height direction, guide blocks (411) are fixedly arranged on the outer peripheral surface of the filter screen (41) at the positions of the guide grooves (31), and the guide blocks (411) are positioned in the guide grooves (31); guide bar (32) are fixedly arranged between the upper and lower groove walls of guide groove (31) in guide groove (31), guide holes are formed in guide blocks (411), guide bar (32) penetrate through the guide holes, and guide blocks (411) are connected to guide bars (32) in a sliding manner.

6. The dust removal system of a film-coated premix mixing chamber as claimed in claim 1, wherein: a guide hopper (6) with an opening at the lower end is downwards extended from the dust outlet of the dust chamber (3), and a first mounting plate (61) is arranged at the opening at the lower end of the guide hopper (6); a dust collection bin (7) with an upper end opening is arranged below the guide hopper (6), a second mounting plate (71) is arranged at the upper end opening of the dust collection bin (7), and the first mounting plate (61) and the second mounting plate (71) are detachably connected through a connecting assembly (8).

7. The dust removal system of the film coating premix mixing chamber as claimed in claim 6, wherein: coupling assembling (8) include fastening bolt (81) and fastening nut (82), first screw hole has been seted up in first mounting panel (61), second screw hole has been seted up in second mounting panel (71), fastening bolt (81) pass first screw hole with tip behind the second screw hole adopts fastening nut (82) fastening.