CN201431870Y

CN201431870Y - Granulating machine

Info

Publication number: CN201431870Y
Application number: CN200820137589XU
Authority: CN
Inventors: 刘刚; 张娟
Original assignee: 刘刚; 张娟
Current assignee: Shanghai Tianxiang & Chentai Pharmaceutical Machinery Co., Ltd.
Priority date: 2008-09-12
Filing date: 2008-09-12
Publication date: 2010-03-31
Anticipated expiration: 2018-09-12

Abstract

The utility model discloses a granulating machine, which consists of a powder feeding mechanism, a powder pressing mechanism, a powder block extruding mechanism, a powder block crushing mechanism, a granule straightening mechanism, a corresponding power and driving mechanism, and a control mechanism. The granulating mechanism is characterized in that the powder feeding mechanism, the powder pressing mechanism, the powder block extruding mechanism and the powder block crushing mechanism are arranged from top to bottom in turn; in the powder feeding mechanism, a powder container is connected with a sliding block through a hose of which the diameter is more than or equal to 5 centimeters; the powder pressing mechanism consists of an upper punching head, a lower punching head and a punch die;the powder block crushing mechanism comprises a pair of roller wheels provided with bulges; and the granule straightening mechanism comprises a stainless steel blade and a mesh screen. The granulatingmachine is an improvement on the prior dry granulating equipment, and can improve the production efficiency, reduce the energy consumption of the conventional granulation and ensure the product quality.

Description

A kind of granulator

Technical field

The present invention relates to the granulation machinery in pharmacy, food, agricultural, the chemical field, be specifically related to a kind of dry granulation machine.

Technical background

Dry granulation has that efficient height, pelletization are not subjected to damp and hotly to influence, finished product is difficult for characteristics such as the moisture absorption.Present dry granulation machine mainly is a rolling-type dry granulation machine, and the powder material that is about to mix is rolled into the thin slice with certain thickness and hardness through carrying through a pair of pinch roller, again thin slice is broken into particle by the pelletizing machine structure.Its principal organ comprises: mass transport, pinch roller, the whole grain of particle and parts such as corresponding power, transmission and control.

The advantage of rolling-type dry granulation machine be can large tracts of land and reinforced lentamente, the bisque thickness is easy to control, the hardness of thin slice is more even, and pressurization slowly, air can be overflowed calmly between powder, so plant the rarer loose sheet phenomenon of tablet that particle is pressed into.But because the friction between cylinder often makes temperature rise, Zhi particle is really up to the mark sometimes, and tablet is easy disintegrating not.It is reported that Chinese medicinal granule adopts the direct dry granulation of extract powder, the one-shot forming rate generally reaches 50%, and after granulating by secondary, major part becomes particle; But also some kind extract powder stickiness is relatively poor, often once can not granulating, need extruding repeatedly, and it is low to cause production efficiency to reduce, and the pellet hardness that makes is big, and solution time is long.(Chen XiangDong; Liu Fajin; Zhan Fagen, etc. the screening [J] of Chinese medicinal granule dry granulation binder. Chinese patent drug, 2008; 04) there is test to show; average grain output with rolling-type dry granulation machine is about 50% of designed capacity, and as certain-5 model, design output is 5kg/h; under the 5kg/h condition that feeds intake, the about 2.5kg/h of particle output.Estimate with this, reach split run particle output 500kg (effective production time 6h) as need, needing dry granulation machine design output is 150kg/h.And roller press powder when roll extrusion is delivered to roller portion and leaks powder easily, causes waste; Though can adopt Lou powder collection circulation to granulate, reduced efficient, increased equipment structure and manufacturing cost.

Summary of the invention

The utility model purpose provides a kind of dry granulation machine, overcomes the low problem of rolling-type dry granulation machine yield rate.

The utility model provides a kind of dry granulation machine, be made up of powder lot feeding mechanism, powder hold-down mechanism, powder piece ejecting mechanism, powder piece crushing mechanism, pelletizing machine structure, corresponding power and transmission mechanism and controlling organization, it is characterized in that: powder lot feeding mechanism, powder hold-down mechanism, powder piece ejecting mechanism, powder piece crushing mechanism are arranged successively from top to bottom; Powder container is connected by the flexible pipe of diameter more than or equal to 5cm with slide block in the powder lot feeding mechanism; The powder hold-down mechanism is made of last low punch and punch die; Powder piece crushing mechanism is a pair of lobed roller; The pelletizing machine structure is stainless steel blade and screen cloth.

Described a kind of dry granulation machine, the diameter that it is characterized in that low punch and punch die is more than or equal to 5cm.

The utility model adopts the mould punching structure to carry out powder and granulates, and the compression time that produces in the time of can effectively avoiding rolling process to granulate is slow, the particle tension, leak powder and cause the not high problem of finished granule rate; Adopt major diameter mould punching press powder piece, then can when powder loads, avoid powder " bridge formation " (carry filling not smooth, make the loading deficiency, and then can not compress, cause the failure of granulating); With corrosion resistant plate with process island and machinery separate from, make material not be subjected to may polluting of mechanical part.

The utility model is to the improvement of existing dry granulation equipment, can enhance productivity, and reduces traditional granulation energy consumption, guarantees product quality; Simultaneously, stainless steel or health level material are adopted in the position that contacts with material, and production operation, maintenance and repair are convenient in nontoxic, anticorrosion, easily removable and washable, easy sterilization.

Description of drawings

Further specify below in conjunction with accompanying drawing, but do not mean that the change on this professional domain general knowledge basis limits to the utility model structure.

Accompanying drawing 1 is the utility model schematic top plan view; Wherein, (1) hopper, (2) feed pipe, (3) fill that mode slider, (4) cover die, (5) dash down, (6) upper punch, (7) derive plate, (8) sawtooth pair roller, (9) whole grain cutter, (10) screen cloth.(same under the legend.)

Accompanying drawing 2 is the positive side view schematic diagram of the utility model

Accompanying drawing 3 is the utility model side view schematic diagram

Accompanying drawing 4 is the utility model mould schematic diagram

Accompanying drawing 5 is a powder molding structure schematic diagram

The specific embodiment

Below in conjunction with embodiment and accompanying drawing the utility model is further specified.

Embodiment 1, be depicted as the more excellent a kind of design of the utility model as accompanying drawing 1-5.Powder lot feeding mechanism upper end is a container of containing the shape powder, in the powder material storaging bucket (1), enters filling mode slider (3) hollow structure through feed pipe (2), and along with the horizontal movement of filling mode slider (3), powder wherein is filled in the cover die (4); Be positioned at cover die (4) owing to dash down (5), along with the reverse horizontal movement of filling mode slider (3), the powder upper end of inserting the open cylindrical container in upper end that cover die (4) He Xiachong (5) forms is calibrated; At this moment, upper punch (6) falls to entering cover die (4), compaction of powders; Powder in the mould forms the cake bulk with certain degree of hardness up and down under the pressure effect of relative motion; Then, upper punch (5) rises, and dashes the pie material ejector sleeve mould (4) that (6) are risen and will be formed down; At this moment, the horizontal movement of filling mode slider (3) heads into the cake piece and derives plate (7).So circulation, the cake piece of moulding constantly is pushed, and goes into the tangent portion of sawtooth pair roller (8) along deriving plate (7) landing, is extruded and is broken into bulky grain; Bulky grain falls, and under the squeezing action of whole grain cutter (9) and screen cloth (10), formation has can be by the particle of mesh size.

Wherein, upper and lower operating principle that dashes and compressing tablet process are similar.Mould can be circular also can be other shape, therefore its material compression blocks can be round pie or other shapes, the horizontal diameter of nib should be greater than 5cm.The diameter of compressing tablet and powder delivery hose is more than or equal to 5cm.The powder delivering pipe footpath is big like this, and powder motion and packing space are big, and the powder movement velocity is fast, the compressing tablet consolidation.

Crushing mechanism is a pair of counterrotating lobed roller, has powder piece attrition crushing is become oarse-grained function; The pelletizing machine structure for the screen cloth of the stainless steel blade that rotates back and forth with certain speed and regulation granulation order number constitutes, has the function that the powder bulky grain is ground into the prescribed level particle.

The drift of compressing tablet (group) quantity can be formed the many towards the dry granulation machine of (group) that dash greater than 1 more.How adopting the reinforced punching unit of many groups towards the dry granulation machine, the broken and whole grain of shared cover device can effectively improve output at double.The punching unit of compressing tablet can be mechanical type (motor-flywheel structure), also can be fluid pressure type, perhaps other punching structures.

Embodiment 2, employing flower basket type tablet press machine structure are the powder molding structure, 30 tons of pressure, mould diameter 60mm; Increase the broken structure of pair roller, under increase swing whole kernel structure, drive motors is installed on the side position.During use, at first start broken and whole kernel structure, then reinforced, start compressing tablet, material enters the slide block sizer through hopper, delivery hose, and when the slide block sizer was done horizontal movement to die hole, powder fell into the hole and fills, after the slide block sizer was done reverse horizontal movement, the powder in the die hole was calibrated.At this moment, rushing in up and down of die hole correspondence gone to motion, and the powder in the die hole is carried out compression forming.Upper punch rises, and rushes to liter down, is compressed under the block powder quilt to rush to summit out, and at this moment, the slide block sizer is released the powder piece.The powder piece of releasing falls between the roller of relative motion, is squeezed into fragment by projection on the roller.Fragment falls into the swing pelletizing machine structure of below immediately, further by pinch roller and screen cloth extruding, by the screen cloth in prescribed level aperture, forms the particle with a certain size afterwards.Particle freely falls, and is collected by the material container of below to get final product.The trial-production starch granules, compacting circular block diameter 8cm, heavy 40g, speed is 25/min, particle total yield 95%, wherein 12-80 order particle accounts for the following particle of 85%, 80 order (fine powder) and accounts for 15%, and hourly output is 48kg.

Claims

1, a kind of dry granulation machine, be made up of powder lot feeding mechanism, powder hold-down mechanism, powder piece ejecting mechanism, powder piece crushing mechanism, pelletizing machine structure, corresponding power and transmission mechanism and controlling organization, it is characterized in that: powder lot feeding mechanism, powder hold-down mechanism, powder piece ejecting mechanism, powder piece crushing mechanism are arranged successively from top to bottom; Powder container is connected by the flexible pipe of diameter more than or equal to 5cm with slide block in the powder lot feeding mechanism; The powder hold-down mechanism is made of last low punch and punch die; Powder piece crushing mechanism is a pair of lobed roller; The pelletizing machine structure is stainless steel blade and screen cloth.

2, a kind of dry granulation machine as claimed in claim 1, the diameter that it is characterized in that low punch and punch die is more than or equal to 5cm.