CN204294196U - Dry granulating machine twin-screw feeding structure - Google Patents
Dry granulating machine twin-screw feeding structure Download PDFInfo
- Publication number
- CN204294196U CN204294196U CN201420736564.7U CN201420736564U CN204294196U CN 204294196 U CN204294196 U CN 204294196U CN 201420736564 U CN201420736564 U CN 201420736564U CN 204294196 U CN204294196 U CN 204294196U
- Authority
- CN
- China
- Prior art keywords
- screw
- granulating machine
- dry granulating
- feeding structure
- feed box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Screw Conveyors (AREA)
Abstract
The utility model discloses a kind of twin-screw feeding structure of dry granulating machine; comprise two of being arranged in feed box (1) be parallel to each other layout and in the same way, the screw rod (2) of constant velocity rotation; the thread rotary orientation of described two screw rods (2) is identical; and the interlaced setting of spiral shell rib, stretches in the other side's screw channel.The utility model adopts double-screw structure: when feeding secondary to the pressure roller of larger width, material can be made to be fed into mouth and be adapted to pressure roller width, ensure that material is evenly carried; Twin-screw in the same way, constant velocity rotation, and the interlaced setting of spiral shell rib on two screw rods, can well-beaten to material in the course of the work while, to can realize self-cleaning cleaning with good adherence of the material buildup in screw slot; To the air mixed in material, precompressed and exhaust can be carried out to material by the cooperation of two screw rods.Therefore, the tablet even density suppressed and dry granulating machine high efficiency production is effectively ensured.
Description
Technical field
The utility model relates to a kind of dry granulating machine twin-screw feeding structure, belongs to pharmaceutical equipment technical field.
Background technology
In pharmaceuticals industry, most of raw material is pulverulence, and powder has granule size differs, Density inhomogeneity, poor fluidity, the feature of easy layering.These raw materials have to pass through granulating process process, just can be used to compressing tablet, capsule-filling or other drug manufacturing procedure.Dry granulation directly carries out compression forming to material powder by mechanical presses, then carry out a kind of granulating process of fragmentation, granulation.Except the component of finished product, dry granulation process need not add any other chemical substance, without the need to adding adhesive or liquid, is granulated by the method for mechanical ramming.Dry granulating machine relates generally to the processing process of pharmaceutical raw material to various activity and one or more excipient.General dry granulating machine is made up of feeding mechanism, pressure roller pressing mechanism, granulating mechanism etc.
Dry granulating machine feeding mechanism adopts screw rod to transmit usually, can meeting when not destroying material characteristic, high efficiency of transmission material, progressively improving the pressure of material, finally makes material reach the requirement of required density.Material, in transmitting procedure, only allows to carry out physical property change, avoids that chemical property occurs and changes.The object of screw feeding is transmission material, material precompressed, realizes pressure roller pressing process Homogeneous charge.By the rotating speed of VFC adjustable screw, the rotating speed of screw rod determines production efficiency and directly affects the roll-in ability of granulator.The feeding of existing dry granulating machine feed mechanism many employings singe screw, when follow-up pressure roller width is larger, can not ensure the uniformity of charging; And adopting Dual-screw feeding structure, usual two screw rod linkage reversely rotate, and only have the effect pushing material, if material viscosity is comparatively large, is easy to that bonding occurs on screw slot and forms buildup, to remove after needing dismounting.
Utility model content
Therefore; the technical problems to be solved in the utility model is to overcome the uneven and material of charging in prior art and bonds on screw rod the defect of not easy-clear, thus provides a kind of feeding evenly and the dry granulating machine twin-screw feeding structure automatically can removed in rotary course the material buildup that screw rod bonds.
To achieve these goals; a kind of dry granulating machine twin-screw feeding structure of the present utility model, comprise be arranged in feed box two and Column Layout and in the same way, the screw rod of constant velocity rotation, described two screw rods thread rotary orientation identical; and the interlaced setting of spiral shell rib, stretches in the other side's screw channel.
Two described screw rods are all single head or double thread, and the lift angle of screw thread, lift, groove depth are identical with section configuration.
Described feed box offers the exhaust outlet be communicated with air in box.
Described feed box offers bleeding point, and this bleeding point is circumscribed with getter device.
The inner side that described feed box is positioned at bleeding point is provided with filter core.
Described feed box is provided with the baffle plate for preventing material unrestrained, described baffle plate is positioned at the upper and lower both sides of feeding end of described screw rod.
Described screw rod is connected with the clutch end of motor by jaw clutch.
Adopt technique scheme, dry granulating machine twin-screw feeding structure of the present utility model, compared with prior art, has following beneficial effect:
1. the utility model adopts double-screw structure when feeding secondary to the pressure roller of larger width, material can be made to be fed into mouth and adapt to pressure roller width, ensure the supply of pressing process material evenly; The interlaced setting of spiral shell rib of two screw rods of rotating in same direction is also stretched in the other side's screw channel, can fully stir material in the course of the work, and to realizing self-cleaning cleaning with good adherence of the material buildup in screw slot; To the air mixed in material, precompressed and exhaust can be carried out to material by the cooperation of two screw rods.Thus effectively ensure the tablet even density suppressed and dry granulating machine high efficiency production.
2. the feed box in the utility model offers exhaust outlet and/or bleeding point, to the outside Natural excrement of the gas of feed box inside or extraction, can be conducive to the compacting of material; At bleeding point, place arranges filter core, stops material in pumping process to be sucked out.
3. the utility model is connected with power source by the jaw clutch at threaded rod shaft end place, is easy to install, for convenience detach.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is that A in Fig. 2 is to cross sectional view;
Fig. 4 is two screw rod assembling schematic diagrames in the utility model;
Fig. 5 is station one view of the B in Fig. 4 to cross section;
Fig. 6 is station two view of B to cross section;
Fig. 7 is C portion partial enlarged drawing in Fig. 1.
In figure, Reference numeral is expressed as:
1-feed box; 2-screw rod; 3-material buildup; The half-clutch device of 4-; 5-attaching nut; 6-locking nut; 11-charging aperture; 12-exhaust outlet; 13-bleeding point; 14-filter core; 15-baffle plate; 21-first spiral shell rib; 22-second spiral shell rib; 23-screw shaft; 231-key; 41-shoulder
Detailed description of the invention
Below by way of the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, 2, a kind of dry granulating machine twin-screw feeding structure of the present utility model, feed box 1 and two be parallel to each other layout in feed box 1 and in the same way, the screw rod 2 of constant velocity rotation, the thread rotary orientation of described screw rod 2 is identical.Described feed box 1 offers charging aperture 11, and the end be positioned on screw rod 2 feed direction at feed box 1 is provided with discharging opening.Material delivers to discharging opening by the promotion of two screw rods 2 after being placed into feed box 1 from charging aperture 11, enters follow-up roll process.
As shown in Figure 4, the screw rod 2 of the present embodiment adopts twin-feed spiral structure, i.e. first spiral shell rib 21 and second spiral shell rib 22.Certainly, described screw rod also can be set to single head structure according to specific needs.
Described two screw rods 2 are close to each other, and the interlaced setting of spiral shell rib on two screw rods 2.See Fig. 5, when being positioned at this station for the moment, two spiral shell rib cross sections of left side screw rod are positioned at vertical direction, two spiral shell rib cross sections of right side screw rod are positioned at horizontal direction, at two screw rods in the same way, constant speed rotation time, spiral shell rib on one of them screw rod can be stepped down to the spiral shell rib on another screw rod, thus makes the spiral shell rib on two screw rods 2 interlaced all the time.
Adopt said structure, can fully stir material in the course of the work, to can realize self-cleaning cleaning with good adherence of the material buildup in screw slot.As shown in Figure 5, two counterclockwise constant speed rotations in the same way of screw rod, the screw rod that material buildup 3 is bonded in left side is positioned on the screw channel of below, when rotating to station two, easily struck off by the spiral shell rib on the screw rod on right side, shown in Figure 6, thus complete the self-cleaning cleaning each other of two screw rods.
As shown in Figure 3, described feed box 1 offers be communicated with in box with the exhaust outlet 12 of air and bleeding point 13, this bleeding point 13 is circumscribed with getter device (not shown), and the inner side that described feed box 1 is positioned at bleeding point 13 is provided with filter core 14.By the effect of getter device, can bleed in feed box 1, by filter core 14, material is blocked in box in pumping process.
Being positioned at its upper and lower both sides of feed direction end at described screw rod 2 and being also provided with the baffle plate 15 be arranged on feed box 1, trickling down for preventing described material buildup 3.
Described screw rod 2 is connected by the clutch end of jaw clutch with motor (not shown).As shown in Figure 7, screw shaft 23 is connected on half-clutch device 4 by key 231, attaching nut 5 is arranged with outside half-clutch device 4, one locking nut 6 is set in half-clutch device one end near feed box 1, described half-clutch device 4 outer surface is provided with the shoulder 41 matched with attaching nut 5 inner surface, withstood on described attaching nut 5 by locking nut 6, attaching nut 5 is withstood on described shoulder 41, thus lock described attaching nut 5 and half-clutch device 4.Second half (not shown) matched with described half-clutch device 4 of described jaw clutch, is arranged on the clutch end of motor.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (7)
1. a dry granulating machine twin-screw feeding structure; it is characterized in that: comprise be arranged on interior two layouts parallel to each other of feed box (1) and in the same way, the screw rod (2) of constant velocity rotation; the thread rotary orientation of described two screw rods (2) is identical; and the interlaced setting of spiral shell rib, stretches in the other side's screw channel.
2. dry granulating machine twin-screw feeding structure according to claim 1, is characterized in that: two described screw rods (2) are all single head or double thread, and the lift angle of screw thread, lift, groove depth are identical with section configuration.
3. dry granulating machine twin-screw feeding structure according to claim 1, is characterized in that: described feed box (1) offers the exhaust outlet (12) be communicated with air in box.
4. dry granulating machine twin-screw feeding structure according to claim 1, it is characterized in that: described feed box (1) offers bleeding point (13), this bleeding point (13) is circumscribed with getter device.
5. dry granulating machine twin-screw feeding structure according to claim 4, is characterized in that: the inner side being positioned at bleeding point (13) on described feed box (1) is provided with filter core (14).
6. dry granulating machine twin-screw feeding structure according to claim 1; it is characterized in that: described feed box (1) is provided with the baffle plate (15) for preventing material (3) unrestrained, described baffle plate (15) is positioned at the upper and lower both sides of feeding end of described screw rod (2).
7. the dry granulating machine twin-screw feeding structure according to any one of claim 1 to 6, is characterized in that: described screw rod (2) is connected with the clutch end of motor by jaw clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736564.7U CN204294196U (en) | 2014-11-28 | 2014-11-28 | Dry granulating machine twin-screw feeding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736564.7U CN204294196U (en) | 2014-11-28 | 2014-11-28 | Dry granulating machine twin-screw feeding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204294196U true CN204294196U (en) | 2015-04-29 |
Family
ID=53099780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420736564.7U Active CN204294196U (en) | 2014-11-28 | 2014-11-28 | Dry granulating machine twin-screw feeding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204294196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934414A (en) * | 2017-10-23 | 2018-04-20 | 南京迦南比逊科技有限公司 | A kind of material conveying screw rod mechanism of sealing |
| CN115069579A (en) * | 2022-06-21 | 2022-09-20 | 北京林业大学 | Sorting unit of walnut that mildenes and rot is differentiateed to impact sound |
-
2014
- 2014-11-28 CN CN201420736564.7U patent/CN204294196U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934414A (en) * | 2017-10-23 | 2018-04-20 | 南京迦南比逊科技有限公司 | A kind of material conveying screw rod mechanism of sealing |
| CN115069579A (en) * | 2022-06-21 | 2022-09-20 | 北京林业大学 | Sorting unit of walnut that mildenes and rot is differentiateed to impact sound |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107184399B (en) | Traditional chinese medicine pellet apparatus for producing | |
| CN104275822B (en) | A kind of pure powder pelletizing press sheet machine | |
| CN204294196U (en) | Dry granulating machine twin-screw feeding structure | |
| CN103831921B (en) | The wood powder conveyor hopper of a kind of wood-plastic composite panel production and feed system | |
| CN202053546U (en) | Pharmaceutical rotating tablet press | |
| CN209205241U (en) | A kind of efficient double roller compaction granulator | |
| CN209224594U (en) | A kind of sludge extrusion forming device | |
| CN208410670U (en) | A kind of double screw extruder of energy-saving, environment-friendly and high-efficiency | |
| CN205965747U (en) | High -efficient granulator | |
| CN104118582B (en) | A kind of capsule counts bottling machine automatically | |
| CN201356806Y (en) | Automatic traditional Chinese medicine pelletizing machine | |
| CN106671467A (en) | Novel biomass energy fuel briquetting machine | |
| CN203253412U (en) | Rolling dry-method granulator | |
| CN205180335U (en) | Chicken essence raw materials extrusion device | |
| CN206443928U (en) | A kind of production equipment of Llaemorrhoids pills/powder one | |
| CN203680772U (en) | Dehumidifying side feed extruder | |
| CN203155184U (en) | Pair-roller type automatic granulator | |
| CN207735065U (en) | A kind of dry granulation grinding granulation device | |
| CN105749412A (en) | Coating device for granular drugs | |
| CN206186312U (en) | Novel vertical charging means of extruder | |
| CN104943012A (en) | Rotary and efficient plastic granulation device | |
| CN203814575U (en) | Food extrusion equipment | |
| CN203768261U (en) | Granulator for producing bio-organic fertilizer | |
| CN204255022U (en) | A kind of medicinal material drying device being convenient to stirring | |
| CN110586274A (en) | Simple and easy type medicinal material breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102600 Beijing Daxing District bioengineering and pharmaceutical industry base, No. 11, Tianrong street, Beijing Patentee after: BEIJING XINLONG LI TECHNOLOGY CO., LTD. Address before: 102600 Beijing Daxing District bioengineering and pharmaceutical industry base, No. 11, Tianrong street, Beijing Patentee before: BEIJING GYLONGLI AUTOMATION TECH. CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220401 Address after: 102629 3rd floor, building 1, Tianrong street, Daxing biomedical industrial base, Zhongguancun Science and Technology Park, Daxing District, Beijing Patentee after: Beijing xinlongli Automation Technology Co.,Ltd. Address before: 102600 Beijing Daxing District bioengineering and pharmaceutical industry base, No. 11, Tianrong street, Beijing Patentee before: BEIJING LONGLITECH Co.,Ltd. |
|
| TR01 | Transfer of patent right |