CN102343236A

CN102343236A - Great pressure dry granulation machine

Info

Publication number: CN102343236A
Application number: CN2010102461841A
Authority: CN
Inventors: 陈启洲; 黄剑敏
Original assignee: Shanghai Tianxiang & Chentai Pharmaceutical Machinery Co Ltd
Current assignee: Shanghai Tianxiang & Chentai Pharmaceutical Machinery Co Ltd
Priority date: 2010-08-05
Filing date: 2010-08-05
Publication date: 2012-02-08

Abstract

The invention discloses a great pressure dry granulation machine. The great pressure dry granulation machine comprises a tabletting unit, a crushing unit and a granulation unit. A fixed crushing plate of the crushing unit is fixed at a front wall of a frame. A movable crushing plate is connected to a driving mechanism and is aslant opposite to the fixed crushing plate. The driving mechanism drives the movable crushing plate to deflect at a certain swing angle so that the movable crushing plate departs from or goes close to the fixed crushing plate. A crushing chamber is formed between the fixed crushing plate and the movable crushing plate. A feed inlet is arranged at an upper edge of the crushing chamber and is far away the inner wall of the crushing chamber. A feed outlet is arranged at a lower edge of the crushing chamber and is close to the inner wall of the crushing chamber. The feed inlet of the crushing unit is spliced with a first leading-out plate of the tabletting unit. A feed inlet of the granulation unit is spliced with a second leading-out plate of the feed outlet of the crushing unit. The fixed crushing plate and the movable crushing plate of the crushing unit do not contact directly and a large sheet installed between the fixed crushing plate and the movable crushing plate is subjected to extrusion, bending and cleaving to form fragments. Through the great pressure dry granulation machine, powder obtained by plate-plate grinding is not produced; material blocks are crushed uniformly; crushed material blocks are processed into cubes easily and then are discharged; and a granulation rate is improved obviously.

Description

Weight dry granulation machine

[technical field]

The present invention is relevant with the facility for granulating in pharmacy, food, agricultural, the chemical industry, and is especially relevant with weight dry granulation machine.

[background technology]

The wet granulation that preparation of granules is many with process procedure, energy consumption is big is main, and is especially true at home.Popular abroad dry granulation equipment is main with the roll extrusion dry granulation at present, and domestic also the beginning used, existing how tame manufacturer production roll extrusion dry granulation equipment.External product has the advantage on structural design, machining accuracy and the material; The product of making becomes a rate higher; The roll extrusion dry granulation machine that typical products has German Alexanders Co. Ltd. to produce; But because expensive, the used pharmaceutical adjunct of equipment price requires high reasons such as (cost of supplementary product surpass bulk drug), and incompatibility domestic market.The roll extrusion dry granulation machine of domestic production is because of the technology imperfection, and an once one-tenth rate of product can only reach 50%, also with serious leakage powder phenomenon.

Chinese patent 200920185791.4 " a kind of weight formula dry granulation machine " discloses a kind of dry granulation machine; Realize material powder → compacting sheet → be broken into fritter → be organized into process route of particle by the combination of compressing tablet structure, broken structure and whole kernel structure; Some shortcomings of roll extrusion dry granulation machine be can overcome, as powder " bridges formation " in when filling (loading is not enough also to cause the failure of granulating), particle tension, leakage powder etc. avoided.Because the broken structure in this scheme is to be pressed relatively by the lobed roller of a pair of rotation to grind, and when crushing is large stretch of, also will grind out the powder of quite a few, so an once one-tenth rate of product is not high yet.

[summary of the invention]

The present invention seeks to above-mentioned weight formula dry granulation machine is improved, change broken large stretch of mode, the powder that reduces in the broken step produces, and improves an once one-tenth rate of product.

Technical scheme of the present invention is: a kind of weight dry granulation machine; Comprise powder is processed large stretch of compressing tablet unit, sheet is processed the fragmentation cell of particle and particle is organized into the whole grain unit of finished particle; It is characterized in that: fragmentation cell fixedly breaks up plate and activity by one and breaks up the plate opposition and form; Wherein fixedly breaking up plate is fixed on the antetheca of frame; Activity breaks up plate and connects a driving mechanism and be skewed in the face of fixedly breaking up plate, and driving mechanism drive activity breaks up plate and does the yaw motion of certain pivot angle and make activity break up that plate leaves or the close plate that fixedly breaks up; Fixedly break up plate and break up the chamber, break up the upper edge, chamber and far form charging aperture mutually, break up the close formation discharging opening in lower edge, chamber with the movable middle formation that breaks up plate; Plate is derived in first of the charging aperture continued access compressing tablet unit of fragmentation cell, and second of the charging aperture continued access fragmentation cell discharging opening of whole grain unit is derived plate.

Further, above-mentioned driving mechanism is made up of rack-mounted motor and big belt wheel, and the small pulley of motor reel has the V-belt transmission with big belt wheel, and big belt wheel has an eccentric shaft, and the upper end that activity breaks up plate has axis hole to hang on the eccentric shaft of big belt wheel; Activity breaks up the hinged respectively end and pull bar one end that has spring that has the rear push-rod of regulating block in lower end of plate, and the other end of rear push-rod and pull bar is connected on the rear wall of frame.

Record is basic identical in compressing tablet unit among the present invention, whole grain unit and the Chinese patent 200920185791.4 " a kind of weight formula dry granulation machine "; The crumbling method of fragmentation cell has then adopted two relative compressional movements that break up plate promptly to leave or close; But two break up not directly contact of plate; Be contained in that two sheets that break up between the plate are squeezed, bending and slabbing action and fragmentation; The powder that in the process of breaking up, does not have the grinding of plate and plate and produce; The material piece is evenly broken; Be cubical shape easily and draw off, therefore become a rate obviously to improve.

[description of drawings]

Fig. 1 is a structural principle sketch map of the present invention.

Fig. 2 is the driving mechanism principle schematic of fragmentation cell among the present invention.

[specific embodiment]

Be further described below in conjunction with embodiments of the invention and accompanying drawing thereof.

See weight dry granulation machine shown in Figure 1; Comprise powder 11 is processed large stretch of 17 compressing tablet unit 1, processed the fragmentation cell 2 of particle to large stretch of 17 and particle is organized into whole unit 3 of finished particle 4; Compressing tablet unit 1, fragmentation cell 2, whole grain unit 3 are installed on the frame 5; Constitute complete granulator, realize material powder → compacting sheet → be broken into fritter → be organized into process route of particle.

In compressing tablet unit 1, powder 11 is admitted to earlier fills in the mode slider 12, and along with filling laterally moving of mode slider 12, powder 11 is inserted in the cover die 13, fills mode slider 12 and returns the original place.Subsequently, upward dash 15 descendingly, powder 11 is squeezed into large stretch of 17.Then, upward dash the 15 up cover dies 13 that withdraw from, dash 14 down and uply release cover dies 13 to large stretch of 17, fill mode slider 12 and laterally move once more and pushes sheet 17 to first and derive plate 16, the while is inserted powder 11 again and carries out the operation of next round compressing tablet.So circulation, the sheet 17 of moulding is successively derived the charging aperture 25 that plate 16 falls into fragmentation cell 2 along first.

Fragmentation cell 2 fixedly breaks up plate 21 by one and breaks up plate 22 opposition with activity and form; Wherein fixedly breaking up plate 21 is fixed on the antetheca of frame 5; Activity breaks up plate 22 and connects driving mechanisms 23 and be skewed in the face of fixedly breaking up plate 21, and driving mechanism 23 drive activities break up plate 22 and do the yaw motion of certain pivot angle and make activity break up that plate 22 leaves or the close plate 21 that fixedly breaks up; Fixedly break up plate 21 and break up chamber 27 (being labeled among Fig. 2), break up 27 upper edges, chamber and far form charging aperture 25 mutually, break up the close formation discharging opening 26 in 27 lower edges, chamber with the movable middle formation that breaks up plate 22; Plate 16 is derived in first of the charging aperture 25 continued access compressing tablet unit 1 of fragmentation cell 2, and second of charging aperture 31 continued access fragmentation cells 2 discharging openings 26 of whole grain unit 3 are derived plate 24.

After sheet 17 falls into the charging aperture 25 of fragmentation cell 2 along the first derivation plate 16; Driving mechanism 23 drive activities break up plate 22 and do the yaw motion of certain pivot angle and make activity break up that plate 22 leaves or near fixedly breaking up plate 21; Formation has favourable bump rather than the friction or the grinding of certain interval to the sheet 17 of block; Be contained in two break up plate 21, the material between 22 is squeezed, bending and slabbing action and be broken into particle.Block has bigger tumbling motion up and down breaking up 27 bottoms, chamber, is cubical shape easily and gushes from fragmentation cell 2 discharging openings 26, derives the charging aperture 31 that plate 24 spews out into whole grain unit 3 from second again.

In whole grain unit 3, all particles that reaches preassigned then store through screen cloth 33 backs as finished particle 4, greater than the particle of preassigned then cracked under the squeezing action of whole grain cutter 32 and screen cloth 33 be that finished particle 4 is through screen cloth 33 storages.

In the present embodiment; See shown in Figure 2; Above-mentioned driving mechanism 23 is made up of with big belt wheel 233 motor 231 that is installed on the frame 5; The small pulley 232 that motor is 231 has V-belt 235 transmissions with big belt wheel 233; Big belt wheel 233 has an eccentric shaft 234, and the upper end that activity breaks up plate 22 has the axis hole (not shown) to hang on the eccentric shaft 234 of big belt wheel 233; Activity breaks up the hinged respectively end and pull bar 239 1 ends that have spring 238 that has the rear push-rod 236 of regulating block 237 in lower end of plate 22, and the other end of the other end of rear push-rod 236 and pull bar 239 is connected on the rear wall of frame 5.Move the high and low position of regulating block 237 on frame 5, can the adjusting activity break up plate 22 and the size that fixedly breaks up the slit of plate 21 lower ends, the i.e. size of fragmentation cell 2 discharging openings 26.There is the pull bar 239 of spring 238 to help the control activity and breaks up the stable of plate 22 yaw motions, be convenient to activity simultaneously and break up resetting of plate 22.Motor 231 drives belt 235 and rotates with big small pulley 233,232; Making activity break up plate 22 through eccentric shaft 234 moves up and down; Rear push-rod 236 and activity break up 22 angles changes of plate greatly when activity breaks up plate 22 risings; It is approaching to fixedly breaking up plate 21 that thereby the promotion activity breaks up plate 22, meanwhile material be extruded, rub with the hands, multiple fragmentation such as stone roller; When activity breaks up plate 22 when descending; Rear push-rod 236 and activity break up 22 angles of plate and diminish; Activity breaks up plate 22 and under the effect of pull bar 239, spring 238, leaves and fixedly break up plate 21; This moment, broken material was discharged from crusher chamber 27 material mouths 26; Break up periodic crushing of plate 22 dos and discharge along with motor 231 rotates the disintegrating machine activity continuously, break up into particle to large stretch of 17 serially and send in the whole grain unit 3.

The structure of compressing tablet unit 1 in the present embodiment and whole grain unit 3 and principle and prior art are basic identical, detail no longer one by one.

Claims

1. weight dry granulation machine; Comprise powder is processed large stretch of compressing tablet unit, sheet is processed the fragmentation cell of particle and particle is organized into the whole grain unit of finished particle; It is characterized in that: fragmentation cell fixedly breaks up plate and activity by one and breaks up the plate opposition and form; Wherein fixedly breaking up plate is fixed on the antetheca of frame; Activity breaks up plate and connects a driving mechanism and be skewed in the face of fixedly breaking up plate, and driving mechanism drive activity breaks up plate and does the yaw motion of certain pivot angle and make activity break up that plate leaves or the close plate that fixedly breaks up; Fixedly break up plate and break up the chamber, break up the upper edge, chamber and far form charging aperture mutually, break up the close formation discharging opening in lower edge, chamber with the movable middle formation that breaks up plate; Plate is derived in first of the charging aperture continued access compressing tablet unit of fragmentation cell, and second of the charging aperture continued access fragmentation cell discharging opening of whole grain unit is derived plate.

2. weight dry granulation machine according to claim 1; It is characterized in that said driving mechanism is made up of rack-mounted motor and big belt wheel; The small pulley of motor reel has the V-belt transmission with big belt wheel; Big belt wheel has an eccentric shaft, and the upper end that activity breaks up plate has axis hole to hang on the eccentric shaft of big belt wheel; Activity breaks up the hinged respectively end and pull bar one end that has spring that has the rear push-rod of regulating block in lower end of plate, and the other end of rear push-rod and pull bar is connected on the rear wall of frame.