CN104588637A - Straight through type powder forming granulator - Google Patents
Straight through type powder forming granulator Download PDFInfo
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- CN104588637A CN104588637A CN201410816315.3A CN201410816315A CN104588637A CN 104588637 A CN104588637 A CN 104588637A CN 201410816315 A CN201410816315 A CN 201410816315A CN 104588637 A CN104588637 A CN 104588637A
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Abstract
The invention relates to a straight through type powder forming granulator. The straight through type powder forming granulator comprises a feeding device, a granulating device and a drying and discharging device, wherein the feeding device, the granulating device and the drying and discharging device are arranged in sequence; the granulating device comprises an extruding tank and a sleeved cone arranged in the extruding tank, the sleeved cone comprises an outer extruding cone and an inner cutting cone, the big head of the sleeved cone faces downward and is communicated with the drying and discharging device, the feeding device is communicated with the extruding tank in a seal mode, and the cutting cone can rotate along the axis of the cutting cone relative to the extruding cone. High internal pressure is generated in the extruding tank through materials extruded in constantly, the materials are extruded out of extruding holes in a strip shape, and the strip-shaped materials are cut into granules through relative motion generated by a cutting tank and the extruding tank; grid rings correspond to horizontal rings in position, the strip-shaped materials entering grid holes can be periodically cut off, and the lengths of the granules are adjustable; a driving device is arranged on the upper portion and cannot influence granulating; a drying fan and a mixing device can be used for drying and transferring the obtained granules immediately.
Description
Technical field
The present invention relates to a kind of prilling granulator of field of powder metallurgy, particularly relate to a kind of direct-insert powder compacting comminutor.
Background technology
Powder metallurgy be produce metal or with metal dust (or mixture of metal dust and non-metal powder) as raw material, through being shaped and sintering, manufacture the technology of metal material, composite and all kinds goods.Powder metallurgic method has similar place to production pottery, and therefore, a series of New Technologies In Powder Metallu Rgy also can be used for the preparation of ceramic material.Due to the advantage of PM technique, it has become the key solving new material problem, plays a part very important in the development of new material.
In the preceding working procedure of powder metallurgy, after with the addition of the materials such as paraffin, rubber, machine oil and plasticizer, fully be uniformly mixed into the powder ball of similar plasticine, then carry out extruding slivering to it to be granulated by cutting, eventually pass hot blast etc. to blow, dry, so that follow-up, the pellet of multiple batches is carried out mixed batch, mass discrepancy between checkmating batch, pellet conveniently can enter mould and carries out shaping simultaneously.In prior art, the production efficiency of prilling granulator is too low, can not meet the needs of large-scale production.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, a kind of structure simple direct-insert powder compacting comminutor is provided.
For achieving the above object; the technical solution used in the present invention is: a kind of direct-insert powder compacting comminutor; comprise: the feeding device set gradually, prilling granulator and dry discharger; it is characterized in that; described prilling granulator comprises material extrusion tank; and the cover cone be arranged in material extrusion tank; described cover cone comprises being arranged on outer fieldly extrudes cone and the cutting cone of internal layer; the large of described cover cone is communicated with described dry discharger upside down; described feeding device sealing is communicated with described material extrusion tank, and described cutting cone can relatively be extruded coning along its axis and turn.
In a preferred embodiment of the present invention, described in extrude on cone and be placed with extrusion cavities, described extrusion cavities is arranged into several horizontal casts described extruding on cone, and cutting cone is provided with several grid circles, the corresponding horizontal loop in the equal position of each described grid circle.
In a preferred embodiment of the present invention, described grid circle is provided with the alternate grid hole that is provided with and grid bar, and the grid hole quantity on each grid circle is all identical with the extrusion cavities quantity on corresponding horizontal loop.
In a preferred embodiment of the present invention, described cutting cone top connecting drive device, described drive unit can drive cutting cone relatively described in extrude coning and turn.
In a preferred embodiment of the present invention, described feeding device is screw extruder, and described screw extruder is communicated with the binder mouth on described material extrusion tank.
In a preferred embodiment of the present invention, described in extrude cone together with described cutting cone squeezed tight.
In a preferred embodiment of the present invention, described extrusion cavities is square or circular.
In a preferred embodiment of the present invention, described material extrusion tank and describedly extrude between cone except extrusion cavities, other position seals are arranged.
In a preferred embodiment of the present invention, described dry discharger is provided with the drying air fan and mixing tank that are connected by pipeline, and the catotropic greatly of described cover cone is passed in described pipeline.
The invention solves the defect existed in background technology, material extrusion tank of the present invention passes through the material constantly clamp-oned, and makes the interior pressure that its inner generation is larger, expects to be extruded into strips by from extrusion cavities, is cut into granular at cutting tank and the relative motion of extruding tank generation; Because grid circle is corresponding with horizontal loop position, the strip material entered in grid hole just can be periodically cut-off, and granular length can regulate; Drive unit is provided with up and can not has influence on granulation work; Drying air fan and mixing device can carry out drying and transfer processing immediately to the pellet produced.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the three-dimensional structure diagram of the preferred embodiments of the present invention;
Fig. 2 is the perspective view extruding tank of the preferred embodiments of the present invention;
Fig. 3 is the three-dimensional structure diagram extruding cone of the preferred embodiments of the present invention;
Fig. 4 is the three-dimensional structure diagram of the cutting cone of the preferred embodiments of the present invention;
In figure: 1, material extrusion tank, 2, binder mouth, 3, cover centrum, 4, extrude cone, 5, extrusion cavities, 7, cutting cone, 8, grid hole, 9, grid bar, 10, drive unit, 11, screw extruder, 12, drying air fan, 13, mixing tank.
Detailed description of the invention
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As Figure 1-4; a kind of direct-insert powder compacting comminutor; comprise: the feeding device set gradually, prilling granulator and dry discharger; prilling granulator comprises material extrusion tank 1; and the cover cone 3 be arranged in material extrusion tank 1, cover cone 3 comprises and is arranged on the outer field cutting cone 7 extruding cone 4 and internal layer, and the large of cover cone 3 is communicated with dry discharger upside down; feeding device sealing is communicated with material extrusion tank 1, and cutting cone 7 can rotate along its axis relative to extruding cone 4.Extrude on cone 4 and be placed with extrusion cavities 5, extrusion cavities 5 is arranged into several horizontal casts extruding on cone 4, and cutting cone 7 is provided with several grid circles, the corresponding horizontal loop in the equal position of each grid circle.
Material extrusion tank 1 passes through the material constantly clamp-oned, and makes the interior pressure that its inner generation is larger, expects to be extruded into strips by from extrusion cavities 5, is cut into granular at cutting tank and the relative motion of extruding tank generation; Because grid circle is corresponding with horizontal loop position, the strip material entered in grid hole 8 just can be periodically cut-off, and granular length can regulate; Drive unit 10 is provided with up and can not has influence on granulation work; Drying air fan 12 and mixing device can carry out drying and transfer processing immediately to the pellet produced.
Grid circle is provided with the alternate grid hole 8 that is provided with and grid bar 9, and grid hole 8 quantity on each grid circle is all identical with extrusion cavities 5 quantity on corresponding horizontal loop, and such design makes the material of strip can be cut into pellet uniformly, and granulation is more even.The interval of grid bar 9 and grid hole 8 is arranged and the lateral length of each grid hole 8 can specify the length of pellet.
Cutting cone 7 top connecting drive device 10, drive unit 10 can drive cutting cone 7 to rotate relative to extruding cone 4, cutting cone 7 active rotation, can cut into granular to extruding the billot that cone 4 extrudes.
Feeding device is screw extruder 11, and screw extruder 11 is communicated with the binder mouth 2 on material extrusion tank 1.Material extrusion tank 1 is provided with binder mouth 2, and binder mouth 2 is tightly connected screw extruder 11.Material can mix by screw extruder 11 fully, then for extruding tank provides sufficient pressure, ensures the smooth of material slivering.
Extrude cone 4 together with cutting cone 7 squeezed tight, such working angles does not have material and is mixed into and extrudes between cone 4 and cutting cone 7, and impact rotates relatively, and it is more accurate to make to cut simultaneously.
Extrusion cavities 5 is square or circular, and the pellet shape of cross section cut out like this can be controlled, and pellet that is square or circular cross sectional shape can be applicable to the billot density forming requirements of different die molding machines.
Material extrusion tank 1 and extrude between cone 4 except extrusion cavities 5, other position seals are arranged, and such extruding force all can focus on extrusion cavities 5 place.
Dry discharger is provided with the drying air fan 12 and mixing tank 13 that are connected by pipeline, cover the catotropic greatly of cone 3 is passed in pipeline, such pellet just can be sent to mixing tank 13 by hot blast when just producing at once, and hot blast has the sufficient time to be dried up by pellet in the duct.
Above according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, related personnel in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine technical scope according to right.
Claims (9)
1. a direct-insert powder compacting comminutor; comprise: the feeding device set gradually, prilling granulator and dry discharger; it is characterized in that; described prilling granulator comprises material extrusion tank; and the cover cone be arranged in material extrusion tank, described cover cone comprises being arranged on outer fieldly extrudes cone and the cutting cone of internal layer, described cover cone be communicated with described dry discharger upside down greatly; described feeding device sealing is communicated with described material extrusion tank, and described cutting cone can relatively be extruded coning along its axis and turn.
2. direct-insert powder compacting comminutor according to claim 1; it is characterized in that: described in extrude on cone and be placed with extrusion cavities; described extrusion cavities is arranged into several horizontal casts described extruding on cone; cutting cone is provided with several grid circles, the corresponding horizontal loop in the equal position of each described grid circle.
3. direct-insert powder compacting comminutor according to claim 2, is characterized in that: described grid circle is provided with the alternate grid hole that is provided with and grid bar, and the grid hole quantity on each grid circle is all identical with the extrusion cavities quantity on corresponding horizontal loop.
4. direct-insert powder compacting comminutor according to claim 2, is characterized in that: described cutting cone top connecting drive device, described drive unit can drive cutting cone relatively described in extrude coning and turn.
5. direct-insert powder compacting comminutor according to claim 1, it is characterized in that: described feeding device is screw extruder, described screw extruder is communicated with the binder mouth on described material extrusion tank.
6. direct-insert powder compacting comminutor according to claim 2, is characterized in that: described in extrude cone together with described cutting cone squeezed tight.
7. direct-insert powder compacting comminutor according to claim 2, is characterized in that: described extrusion cavities is square or circular.
8. direct-insert powder compacting comminutor according to claim 2, is characterized in that: described material extrusion tank and describedly extrude between cone except extrusion cavities, and other position seals are arranged.
9. direct-insert powder compacting comminutor according to claim 1, it is characterized in that: described dry discharger is provided with the drying air fan and mixing tank that are connected by pipeline, the catotropic greatly of described cover cone is passed in described pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816315.3A CN104588637A (en) | 2014-12-25 | 2014-12-25 | Straight through type powder forming granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816315.3A CN104588637A (en) | 2014-12-25 | 2014-12-25 | Straight through type powder forming granulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104588637A true CN104588637A (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410816315.3A Pending CN104588637A (en) | 2014-12-25 | 2014-12-25 | Straight through type powder forming granulator |
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| CN (1) | CN104588637A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150291A (en) * | 2015-08-25 | 2015-12-16 | 淄博大创自动化科技有限公司 | Length primary selecting and fine trimming equipment for bamboo bone materials of folding fan |
-
2014
- 2014-12-25 CN CN201410816315.3A patent/CN104588637A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150291A (en) * | 2015-08-25 | 2015-12-16 | 淄博大创自动化科技有限公司 | Length primary selecting and fine trimming equipment for bamboo bone materials of folding fan |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150506 |