CN218459710U

CN218459710U - Crushing system of dry granulator

Info

Publication number: CN218459710U
Application number: CN202222726282.6U
Authority: CN
Inventors: 陈湘; 林洁希; 林尤仁
Original assignee: Hainan Linheng Pharmaceutical Co ltd
Current assignee: Hainan Linheng Pharmaceutical Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-02-10
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to a pharmaceutical equipment technical field especially relates to a broken system of dry granulation machine, including intercommunication screw feeder discharge gate and set the machine storehouse of sealing a door, machine storehouse inner wall rotates and is equipped with and is used for carrying powder extrusion to the feeder and to the upper and lower scraper of clearance is implemented to the compression roller group to the compression roller in organizing, and scraper one side correspondence is provided with crushing knife group down, be equipped with in the machine storehouse in crushing knife group top and carry out the powder recovery mechanism of clearance for crushing knife group, the powder is retrieved the mechanism and is included several straws, the straw corresponds the blade interval department setting of crushing knife group, and the same collection magazine of straw top intercommunication, the collection box passes through the tuber pipe and is connected with dry process granulator's inlet pipe. The utility model discloses simple structure can effectively provide the clearance operation of online or shut down and not have the dismantlement to broken knife tackle, and the powder that clears away simultaneously can realize cyclic utilization by the leading-in feed inlet of dry process granulator of closed loop.

Description

Crushing system of dry granulator

Technical Field

The utility model relates to a pharmaceutical equipment technical field especially relates to a broken system of dry process granulator.

Background

The dry granulator is one of the more common pharmaceutical equipment, and directly compresses raw material powder into a sheet structure by a mechanical extrusion mode, then the sheet structure is cut and crushed into blocks by a crushing system, then the blocks are formed in a granulating system, finally prepared particles can be used for processing dosage forms of medicament tablets and capsules, and an adhesive or a liquid component is added in the whole process in a disordered manner. Dry process granulator technique among the prior art is comparatively ripe, and crushing system all adopts detachable knife tackle structure, this is because among the crushing process, can have a large amount of powders and keep in the blade surface of group and the arbor on, so produce after the certain time, need open the machine storehouse and seal a door and demolish the knife tackle structure in order to clear up, this has not only caused the production operation to be interrupted, and the powder after the clearance also can receive external pollution and unable reuse, cause the raw materials waste to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem and the broken system of dry process granulator that proposes just, the utility model discloses simple structure can effectively provide the clearance operation of online or shut down and do not have the dismantlement to broken knife tackle, and the powder that clears away simultaneously can realize cyclic utilization by the leading-in feed inlet of dry process granulator of closed loop.

In order to solve the technical problem, the utility model provides a technical scheme as follows:

the utility model provides a broken system of dry process granulator, includes intercommunication screw feeder discharge gate and sets the quick-witted storehouse of sealing a door, and quick-witted storehouse inner wall rotates and is equipped with and is used for carrying powder extrusion to the feeder and carries the upper and lower scraper of clearance to compression roller group and for implementing the compression roller to compression roller group, and lower scraper one side correspondence is provided with crushing knife group, be equipped with in the quick-witted storehouse in crushing knife group top and implement the powder recovery mechanism of clearance for crushing knife group, the powder is retrieved the mechanism and is included several straws, the straw corresponds the blade interval department setting of crushing knife group, and the same magazine of straw top intercommunication, the magazine of gathering materials passes through the tuber pipe and is connected with dry process granulator's inlet pipe.

Preferably, the crushing cutter group comprises a cutter shaft connected with the output shaft of the crushing motor and a plurality of blades which are axially and circumferentially arranged at equal intervals and detachably connected with the cutter shaft, the suction pipe is of a hollow square tubular structure with an open bottom, and the side wall of the suction pipe corresponding to the adjacent blades is provided with a plurality of through holes.

Preferably, the open end of the bottom of the straw is of an upper concave curved surface structure matched with the shaft body of the cutter shaft.

Preferably, the powder recovery mechanism still includes and carries out vertical direction driven drive assembly to the aggregate box, drive assembly sets up the two-way screw rod in the hangar bulkhead of aggregate box top including rotating, and two of two-way screw rod revolve to the equal spiral shell of opposite screw thread section and be furnished with the slider, rotate on the slider and be equipped with the hinge bar, and the hinge bar bottom of two sliders is articulated in the articulated seat pin shaft that aggregate box top set up.

Preferably, the two hinged rods are in a state of maximum included angle, and the straw is positioned above the crushing cutter group; and under the condition that the hinged rods are at the minimum included angle, the bottom of the suction pipe is attached to a cutter shaft body of the crushing cutter group and is axially staggered with the blades.

Preferably, one end of the bidirectional screw rod, which is far away from the sealing door, is connected with the output end of the speed reducing motor; or one end of the bidirectional screw, which is far away from the sealing door, is provided with a worm wheel, one end of a worm which forms worm gear drive with the worm wheel penetrates out of the machine bin and is connected with a hand wheel, and the worm is rotatably connected with the machine bin and a damping part is arranged at the rotating position.

The utility model discloses the theory of operation as follows:

when needing to clear up broken knife tackle, drive two-way screw rod turnover through gear motor (if two-way screw rod adopts the mode of being connected with gear motor transmission) or overcome the resistance of damping piece to the worm and drive the worm rotation by the hand wheel, and then realize two-way screw rod turnover through worm gear transmission (if two-way screw rod adopts worm gear transmission mode and hand wheel connection), slider opposite direction on the two-way screw rod removes, make the contained angle of two hinge arms diminish, and then make the box of gathering materials move the straw and move down, paste the arbor axis body that leans on broken knife tackle until the straw bottom, through the tuber pipe to box of gathering materials and straw convulsions, make straw to carry out used repeatedly in the powder suction near on the arbor axis body and blade and finally get into dry process granulator's feed inlet.

After the clearance finishes, the two-way screw rod of antiport for the slider resets, and makes two hinge bar contained angles grow, and then makes the box that gathers materials move the straw and remove to broken knife tackle top.

The cleaning process is best applied to the condition that the rotating speed of the crushing cutter set is slow, the crushing cutter set can be used when the machine is stopped, and meanwhile, the air pipe can be matched with the negative pressure pumping device to achieve air draft feeding operation. It should be noted that if the composition of the raw material is changed, the necessary disassembling and cleaning operations for the crushing cutter set and other components are required.

Compared with the prior art, the utility model discloses beneficial effect has as follows: the utility model discloses simple structure can effectively provide the clearance operation of online or shut down and not have the dismantlement to broken knife tackle, and the powder that clears away simultaneously can realize cyclic utilization by the leading-in feed inlet of dry process granulator of closed loop.

Drawings

FIG. 1 is a schematic diagram of the crushing system of the dry granulator according to an embodiment;

FIG. 2 is a schematic diagram of the position relationship between the crushing blade set and the lower scraper blade in the embodiment;

fig. 3 is a schematic structural diagram of the cleaning mechanism in the embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the specific implementation: as shown in fig. 1-3, a crushing system of a dry granulator comprises a machine bin 1 which is communicated with a discharge port of a spiral feeder 2 and is provided with a sealing door 11, a press roll set 3 for conveying powder to the feeder to be extruded and formed, an upper scraper 31 and a lower scraper 32 for cleaning the press roll in the press roll set 3 are rotatably arranged on the inner wall of the machine bin 1, a crushing cutter set is correspondingly arranged on one side of the lower scraper 32, and the crushing cutter set comprises a cutter shaft 41 connected with an output shaft of a crushing motor (not shown in the figure) and a plurality of blades 42 which are axially and circumferentially arranged at equal intervals and detachably connected with the cutter shaft 41;

a powder recovery mechanism for cleaning the crushing cutter set is arranged above the crushing cutter set in the machine bin 1, the powder recovery mechanism comprises a plurality of suction pipes 51, the suction pipes 51 are arranged at intervals corresponding to the blades 42 of the crushing cutter set, the suction pipes 51 are of hollow square tubular structures with open bottoms, a plurality of through holes 54 are formed in the side walls of the suction pipes 51 corresponding to the adjacent blades, the open ends of the bottoms of the suction pipes 51 are of concave-upward curved surface structures matched with the shaft bodies of the cutter shafts 41, the tops of the suction pipes 51 are communicated with the same material collecting box 52, and the material collecting box 52 is connected with a feeding pipe of a dry type granulator through an air pipe 53.

The driving component for driving the aggregate box 52 in the vertical direction comprises a bidirectional screw 64 which is rotatably arranged on the wall of the cabin above the aggregate box 52, two screw thread sections with opposite rotation directions of the bidirectional screw 64 are both provided with a sliding block 66 in a threaded manner, the sliding block 66 is provided with a hinge rod 65 in a rotating manner, and the bottom of the hinge rod 66 of the two sliding blocks 66 is hinged with a hinge seat pin shaft arranged at the top of the aggregate box 52. One end of the bidirectional screw 64, which is far away from the sealing door 11, is provided with a worm wheel 63, one end of a worm 61 which forms worm wheel and worm transmission with the worm wheel 63 penetrates out of the machine cabin 1 and is connected with a hand wheel 62, and the worm 61 is rotatably connected with the machine cabin 1 and a rotating part of the worm is provided with a damping part.

When the two hinged rods 65 are in the state of the maximum included angle, the suction pipe 51 is positioned above the crushing cutter group; when the two hinged rods 65 are in the state of the minimum included angle, the bottom of the suction pipe 51 is attached to the shaft body of the cutter shaft 41 of the crushing cutter group and is axially staggered with the blades 42.

The working principle of the embodiment is as follows:

when needing to clear up broken knife tackle, overcome the resistance of damping part to worm 61 and drive worm 61 by hand wheel 62 and rotate, and then realize two-way screw rod 64 turnover through the worm gear transmission, slider 66 opposite displacement on the two-way screw rod 64, make the contained angle of two hinge bars 65 diminish, and then make collection magazine 52 drive straw 51 move down, lean on the arbor 41 axis body of broken knife tackle until straw 51 bottom, convulsions to collection magazine 52 and straw 51 through tuber pipe 53, make straw 51 carry out used repeatedly in the feed inlet that the powder suction near and finally get into dry process granulator on the arbor 41 axis body and blade 42.

After the cleaning is finished, the bidirectional screw 64 is rotated reversely, so that the slide block 66 is reset, the included angle between the two hinged rods 65 is increased, and the material collecting box 52 drives the suction pipe 51 to move to the upper part of the crushing cutter group.

The cleaning process is best applied to the condition that the rotating speed of the crushing cutter set is relatively low, the crushing cutter set can be used during shutdown, and meanwhile, the air pipe can be matched with the negative pressure pumping device to achieve air draft feeding operation. It should be noted that if the composition of the raw material is changed, the necessary disassembly and cleaning operations of the crushing cutter set and other components are required.

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 broken system of dry process granulator, includes intercommunication spiral feeder discharge gate and sets the quick-witted storehouse of sealing a door, and quick-witted storehouse inner wall rotates and is equipped with and is used for carrying powder extrusion to the feeder and carries the upper and lower scraper of clearance to compression roller group and for implementing the compression roller to compression roller group, and lower scraper one side correspondence is provided with crushing knife tackle, a serial communication port, be equipped with in the quick-witted storehouse in crushing knife tackle top and carry out the powder recovery mechanism of clearance for crushing knife tackle, powder recovery mechanism includes several straws, the straw corresponds the blade interval department setting of crushing knife tackle, and the same magazine of gathering of straw top intercommunication, the box of gathering materials passes through the tuber pipe and is connected with dry process granulator's inlet pipe.

2. The crushing system of a dry granulator of claim 1 wherein the crushing cutter set comprises a cutter shaft connected to the output shaft of the crushing motor and a plurality of blades arranged at equal intervals in the axial and circumferential directions and detachably connected to the cutter shaft, the suction pipe is in a hollow square tubular structure with an open bottom, and the suction pipe has a plurality of through holes on the side wall corresponding to the adjacent blades.

3. The crusher system of claim 1, wherein the open end of the bottom of the suction pipe is configured to fit the concave-upward curve of the shaft body of the arbor.

4. The crushing system of the dry granulator according to claim 2, wherein the powder recovery mechanism further comprises a driving assembly for driving the aggregate box in a vertical direction, the driving assembly comprises a bidirectional screw rod rotatably disposed on the wall of the silo above the aggregate box, the two screw segments of the bidirectional screw rod with opposite rotation directions are respectively provided with a sliding block in a threaded manner, the sliding block is rotatably provided with a hinge rod, and the bottom of the hinge rod of each sliding block is hinged with a hinge base pin shaft disposed at the top of the aggregate box.

5. The crushing system of a dry granulator of claim 4 wherein the two articulated arms are at a maximum included angle, the suction pipe being located above the crushing knife set; and under the condition that the hinged rods are at the minimum included angle, the bottom of the suction pipe is attached to a cutter shaft body of the crushing cutter group and is axially staggered with the blades.

6. The crushing system of a dry granulator of claim 4 wherein the end of the bi-directional screw remote from the closing door is connected to the output of a gear motor; or one end of the bidirectional screw, which is far away from the sealing door, is provided with a worm wheel, one end of a worm which forms worm gear drive with the worm wheel penetrates out of the machine bin and is connected with a hand wheel, and the worm is rotatably connected with the machine bin and a damping part is arranged at the rotating position.