CN104128240A - Circulating type powder grinding device - Google Patents
Circulating type powder grinding device Download PDFInfo
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- CN104128240A CN104128240A CN201410365097.6A CN201410365097A CN104128240A CN 104128240 A CN104128240 A CN 104128240A CN 201410365097 A CN201410365097 A CN 201410365097A CN 104128240 A CN104128240 A CN 104128240A
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Abstract
The invention discloses a circulating type powder grinding device which comprises a body provided with a powder grinding chamber, hoppers arranged on the upper part of the body, and grinding mechanisms; the grinding mechanisms comprise a coarse grinding mechanism and a fine grinding mechanism, wherein the coarse grinding mechanism is arranged inside the powder grinding chamber of the body, the bottom of the body is provided with a filtering device with mesh pores, and the fine grinding mechanism is arranged below the filtering device. The circulating type powder grinding device also comprises a debris recovery mechanism which is used for transporting debris on the filtering device and with the particle size greater than the mesh pores to the upward side of the coarse grinding mechanism; the coarse grinding mechanism comprises two pairs of mutually symmetrically arranged roller mechanisms, wherein the interior of the body is provided with guide plates for respectively guiding raw materials to the upward sides of corresponding rollers; the fine grinding mechanism comprises a group of paired-arrangement columnar rollers, wherein a gap between the adjacent columnar rollers is adjustable; the fine grinding mechanism also comprises elastic tensioning devices each for adjusting the gap between the adjacent columnar rollers. The circulating type powder grinding device has the characteristics of full grinding, low energy consumption, and simple control.
Description
Technical field
The present invention relates to a kind of milling device that particulate material is clayed into power, be specifically related to a kind of circulating high accuracy abrasive dust device of cutting, hitting the operations such as ﹑ stone roller pressure ﹑ mills that has.
Background technology
Existing particle milling device, pearl flour mill for example, the most of impact type smashing principle that adopts of its abrasive dust mode, but only played in small, broken bits, corase grind function, can not effectively guarantee that the pearl bits after impacting can be powdered, causes Pearl and pearl bits to mix; Simultaneously traditional elutriation grind pearl also due to repeatedly pearl particles is carried out to precipitation, the suspension in water, consuming time longer, and to be applied in the structure of milling of mechanical aspects also more single the later stage, can not guarantee to mill fully.
In existing general mechanical disruption device, although most of milling device has all adopted roller to mill, but operation is more single, often only carry out once or twice the roller constipation Shu Jiagong that mills, can not guarantee to mill fully, and the roller of milling is also comparatively common, easily in mill processes, occurs the particle that part is not fully milled, and mixed in together with powder, affect the quality of milling.More there is many rollers of part milling device because the increase of roller causes also corresponding increasing of number of motors, increased cost of goods manufactured.
Chinese invention patent 92113086.4 discloses a kind of grinding mill device, utilizes feeding roller to control feed rate, guarantees quantitatively to flow out thing to be milled, and adopts the operation of milling of a pair of grinding roller simultaneously.The basic function of the charging-material controlling of the realization that this is relatively simple for structure-mill, but particle in powder cannot be distinguished, only carrying out a roller and mill simultaneously, the thing of can not guaranteeing to mill completely is fully milled.
Chinese utility model patent 201020176088.X discloses a kind of flour mill device, utilizes fixed mill and the relative motion between going round and round a millstone to mill, and utilizes distinctive tooth lapping raising grinding efficiency simultaneously on the contact-making surface of determining mill and going round and round a millstone.But the thing of milling for solid-state rounded grain shape mouthful stops up as milling easily appears in pearl etc., and the thing of milling is difficult to enter the series of problems such as tooth of milling.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of circulation type high accuracy abrasive dust device with corase grind mechanism and fine grinding mechanism, to solve the deficiencies in the prior art.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of circulating milling device, comprise and be provided with the body of milling compartment, the hopper of being located at body top and grinding mechanism, described grinding mechanism comprises corase grind mechanism and fine grinding mechanism, it is inner that described corase grind mechanism is located at body milling compartment, the bottom of described body is provided with the meshed filter of tool, and described fine grinding mechanism is located at filter below; Also comprise the chip recovering mechanism that is delivered to corase grind mechanism top for filter top particle diameter being greater than to the chip of mesh; Described corase grind mechanism comprises two pairs of idler wheel mechanisms that are symmetrically set, and described body interior is provided with for raw material being guided to respectively to the guided plate of respective roller top; The described mechanism of refining comprises that a composition is to the column roller arranging, and the gap between its adjacent column roller is adjustable, also comprises for adjusting the elastic tension apparatus in gap between adjacent column roller.
Further, described chip recovering mechanism comprises the rotating shaft that is rotationally connected with body, fork that one end is fixedly connected with rotating shaft and is located at the free-ended debris collector of fork, described rotating shaft is located on the line of symmetry of idler wheel mechanism, and the position of rotating shaft is higher than the position of idler wheel mechanism; Described debris collector is usingd fork as symmetry axis, and its both sides are equipped with chip containing cavities; The bottom of described debris collector and the inner surface of milling compartment adapt.
Further, described idler wheel mechanism comprises a pair of intermeshing bow font roller, and the gap between its bow font roller is greater than the gap between described column roller.
Further, described elastic tension apparatus comprises the back-moving spring that is wrapped in the puller strap on the rolling bearing of column roller two ends and connects relative two puller straps.
Further, also comprise the cutting knife of being located at described corase grind mechanism top and the motor that drives cutting knife High Rotation Speed, described cutting knife is along being circumferentially provided with a plurality of blades, and the rotation side of described blade is provided with some sharp portions.
Further, on the milling compartment roof of described cutting knife top and the circumferential corresponding milling compartment sidewall of cutting knife, be provided with some sharp portions.
Further, the thickness of described cutting knife is by radially attenuation gradually of center.
Further, described hopper is two, is arranged at respectively the top that idler wheel mechanism is corresponding, and the feeding-passage of described hopper is obliquely installed.
Further, also comprise that described driving mechanism comprises gear drive, ring gear transmission mechanism and four jointed gear units for driving the driving mechanism of described grinding mechanism and the motion of chip recovering mechanism; Described gear drive be connected with drive motors gear wheel, with the driving gear A of gear wheel engagement, with the driven gear A of driving gear A engagement, with the coaxial driving gear B of gear wheel and with the driven gear B of driving gear B engagement, on the gear shaft of described driving gear A, driven gear A, driving gear B, driven gear B, be connected with respectively one of them roller of composition idler wheel mechanism; Described ring gear transmission mechanism comprises ring gear one, ring gear two and connects the power transmission shaft of ring gear one and ring gear two, described ring gear one and driving gear A or driven gear A or driving gear B or driven gear B are coaxially connected, coaxial connection of one of described ring gear two and column roller of arranging in pairs; Described four jointed gear units comprise the connecting rod one that is fixedly installed, connecting rod two, the connecting rod three hinged with connecting rod one and be connected the connecting rod four of connecting rod two and connecting rod three respectively, and described connecting rod two is fixedly connected with the gear shaft of described driving gear A or driven gear A or driving gear B or driven gear B; In the rotating shaft of described chip recovering mechanism, be connected with gear C, described connecting rod three is provided with the gear teeth with gear C engagement.
Circulating milling device of the present invention, the beneficial effect of its relative prior art comprises:
(1) its chip grinding first through corase grind mechanism drops down onto filter top, and the chip that its particle diameter is less than filter mesh is spilt by mesh, falls into fine grinding mechanism and again grinds; The chip that its particle diameter is greater than mesh is collected into corase grind mechanism top again by chip recovering mechanism, again by corase grind mechanism, grinds, and circular grinding like this, it grinds fully, and abrasive dust effect is good;
(2) on the milling compartment roof of the blade of its cutting knife, cutting knife top and the circumferential corresponding milling compartment sidewall of cutting knife, be equipped with some sharp portions, in cutting knife High Rotation Speed process, part particulate material is directly shredded by blade, part is knocked to the sharp portion on milling compartment inwall, so, raw material completes preliminary fragmentation before entering corase grind mechanism, makes abrasive dust more abundant;
(3) its grinding mechanism and chip recovering mechanism drive by same motor, save energy consumption, control simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of the circulating milling device of the present embodiment;
Fig. 2 roughly grinds the structural representation of mechanism in the present embodiment;
Fig. 3 is the structural representation of the present embodiment four jointed gear units;
Fig. 4 is the structural representation of the present embodiment fine grinding mechanism;
Fig. 5 refines the structural representation of the elastic tension apparatus of mechanism shown in Fig. 4;
Fig. 6 is the structural representation of the present embodiment ring gear transmission mechanism;
Fig. 7 is the structural representation of the present embodiment cutting knife;
Description of reference numerals: 1-body, 2-hopper, 3-idler wheel mechanism, 4-guided plate, 5-column roller, 51-rolling bearing, 52-puller strap, 53-back-moving spring, 6-filter, 7-chip recovering mechanism, 71-rotating shaft, 72-fork, 73-debris collector, 8-cutting knife, 81-blade, 82-sharp portion, 91-gear wheel, 92-driving gear A, 93-driven gear A, 94-driving gear B, 95-driven gear B, 96-ring gear one, 97-ring gear two, 98-power transmission shaft, 10-gear C, 11-connecting rod one, 12-connecting rod two, 13-connecting rod three, 14-connecting rod four.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the circulating milling device of the present embodiment is described in further detail.
A kind of circulating milling device of the present embodiment, as shown in Figure 1, comprise be provided with milling compartment body 1, be located at hopper 2 and the grinding mechanism on body 1 top.Its grinding mechanism comprises again corase grind mechanism and fine grinding mechanism, and its corase grind mechanism as shown in Figure 2, comprises two pairs of idler wheel mechanisms that are symmetrically set 3.It is inner that above-mentioned rollers mechanism 3 is located at the milling compartment of body 1, at its idler wheel mechanism 3, is also provided with for raw material being guided to respectively to the guided plate 4 above respective roller.As preferably, in order to increase the area of contact between idler wheel mechanism 3, its idler wheel mechanism 3 consists of a pair of intermeshing bow font roller.
Above-mentioned fine grinding mechanism as shown in Figure 4, comprises that a composition is to the column roller 5 arranging, and the gap between its adjacent column roller 5 is adjustable.In the present embodiment, it is also provided with elastic tension apparatus, for adjusting the gap between adjacent column roller 5.As shown in Figure 5, its elastic tension apparatus comprises the back-moving spring 53 that is wrapped in the puller strap 52 on column roller 5 two ends rolling bearings 51 and connects relative two puller straps 52.Because the gap between its column roller 5 is adjustable, and under the active force of elastic tension apparatus, the gap between its column roller 5 is kept at less position all the time, makes the precision of abrasive dust remain on high levels.
In the present embodiment, its corase grind mechanism and fine grinding mechanism are divided into the inside and outside of body 1, its fine grinding mechanism be positioned at body 1 under, and the bottom of body 1 is provided with the meshed filter 6 of tool.The aperture of its mesh is certain, through the chip of corase grind, when particle diameter is less than mesh aperture, freely falls into fine grinding mechanism refine by mesh.When the particle diameter of chip is greater than mesh aperture, chip is trapped in filter 6 tops.
For the above-mentioned filter 6 top chips that are stranded in are again delivered to corase grind mechanism top and carry out regrind, and prevent that filter 6 from stopping up, its chip recovering mechanism 7 as shown in Figure 1, comprises the rotating shaft 71 that is rotationally connected with body 1, fork 72 that one end is fixedly connected with rotating shaft 71 and is located at the free-ended debris collector 73 of fork 72.Its shaft 71 is located on the line of symmetry of two pair roller mechanisms 3, and the position of rotating shaft 71 is higher than the position of idler wheel mechanism 3.In addition, its debris collector 73 is usingd fork 72 as symmetry axis, and its both sides are equipped with chip containing cavities, and the bottom of debris collector and the inner surface of milling compartment adapt.Its debris collector be take rotating shaft 71 as axle center, swings all the time, constantly the chip that is trapped in filter 6 tops is delivered to corase grind mechanism top.
In the present embodiment, in order to make abrasive dust effect better, grind more abundant, its treat abrasive particle shape material enter corase grind mechanism before, first it is carried out to fragmentation.As shown in Figure 1, at its corase grind, be provided with cutting knife 8 above mechanism and drive the motor of cutting knife 8 High Rotation Speeds, its cutting knife 8 is along being circumferentially provided with a plurality of blades 81, in the rotation side of its blade 81, is provided with some sharp portions 82.Same, on the milling compartment roof above cutting knife 8 and the circumferential corresponding milling compartment sidewall of cutting knife 8, be provided with some sharp portions 82.
A preferred cutter structure, its thickness is by radially attenuation gradually of center.And in the present embodiment, hopper 2 is two, is arranged at respectively the top of idler wheel mechanism 3 correspondences, and the feeding-passage of its hopper 2 is obliquely installed.The benefit of this structure is, blade 81 mainly plays the effect impacting with cutting particles shape material, part material can be run up and directly be cut into acinous by it, part is subject to directly striking after it hits at a high speed the sharp portion 82 on milling compartment inwall around, indirectly become acinous, then granuliform chip is again cut or falls in corase grind mechanism by blade 81 under Action of Gravity Field.Through preliminary broken raw material, it is more abundant that it grinds in grinding mechanism.
The present embodiment is in order to reach the object of saving energy consumption, and its grinding mechanism and chip recovering mechanism are used same motor to drive.Its driving mechanism comprises gear drive, ring gear transmission mechanism and four jointed gear units.
Said gear transmission mechanism as shown in Figure 2, be used for driving corase grind mechanism, comprise be connected with drive motors gear wheel 91, with the driving gear A 92 of gear wheel engagement, with the driven gear A 93 of driving gear A 92 engagements, with the coaxial driving gear B 94 of gear wheel and with the driven gear B 95 of driving gear B 94 engagements, wherein on the gear shaft of driving gear A 92, driven gear A 93, driving gear B 94, driven gear B 95, be connected with respectively one of them roller of composition idler wheel mechanism 3.
Above-mentioned ring gear transmission mechanism is as shown in Fig. 2, Fig. 4, Fig. 6, be used for driving fine grinding mechanism, the power transmission shaft 98 that comprises ring gear 1, ring gear 2 97 and connection ring gear 1 and ring gear 2 97, wherein ring gear 1 and driving gear A 92 or driven gear A 93 or driving gear B 94 or driven gear B 95 are coaxially connected, in the present embodiment, it is coaxially connected with driven gear B 95.Its ring gear 2 97 and one of the column roller 5 arranging in pairs coaxial connection.
Above-mentionedly state four jointed gear units as shown in Figure 3, be used for driving chip recovering mechanism 7, comprise the connecting rod 1 that is fixedly installed, connecting rod two 12, the connecting rod three 13 hinged with connecting rod 1 and be connected the connecting rod 4 14 of connecting rod 2 12 and connecting rod 3 13 respectively, wherein connecting rod 2 12 is fixedly connected with the gear shaft of driving gear A 92 or driven gear A 93 or driving gear B 94 or driven gear B 95.In the rotating shaft 71 of its chip recovering mechanism 7, be connected with gear C 10, on its connecting rod 3 13, be provided with the gear teeth with gear C 10 engagements.Its gear shaft drive link 2 12 rotations, from the principle of four bar transmission mechanisms, 3 13, its connecting rod swings, and by gear teeth meshing, driven wheel C 10 swings accordingly, and chip recovering mechanism 7 swings.
The circulating milling device of the present embodiment, its chip grinding first through corase grind mechanism drops down onto filter top, and the chip that its particle diameter is less than filter mesh is spilt by mesh, falls into fine grinding mechanism and again grinds; The chip that its particle diameter is greater than mesh is collected into corase grind mechanism top again by chip recovering mechanism, again by corase grind mechanism, grinds, and circular grinding like this, it grinds fully.Again, on the circumferential corresponding milling compartment sidewall of the milling compartment roof of the blade of its cutting knife, cutting knife top and cutting knife, be equipped with some sharp portions, in cutting knife High Rotation Speed process, part particulate material is directly shredded by blade, part is knocked to the sharp portion on milling compartment inwall, so, raw material completes preliminary fragmentation before entering corase grind mechanism, makes to grind more abundant.In addition, its grinding mechanism and chip recovering mechanism drive by same motor, save energy consumption, control simple.
It should be noted that, circulating milling device of the present invention is applicable to various abrasive dusts field, such as mill pearl powder, cereal crops flour milling, building stones abrasive dust etc.In a word, the foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a circulating milling device, comprise and be provided with the body of milling compartment, the hopper of being located at body top and grinding mechanism, it is characterized in that, described grinding mechanism comprises corase grind mechanism and fine grinding mechanism, it is inner that described corase grind mechanism is located at body milling compartment, the bottom of described body is provided with the meshed filter of tool, and described fine grinding mechanism is located at filter below;
Also comprise the chip recovering mechanism that is delivered to corase grind mechanism top for filter top particle diameter being greater than to the chip of mesh;
Described corase grind mechanism comprises two pairs of idler wheel mechanisms that are symmetrically set, and described body interior is provided with for raw material being guided to respectively to the guided plate of respective roller top;
The described mechanism of refining comprises that a composition is to the column roller arranging, and the gap between its adjacent column roller is adjustable, also comprises for adjusting the elastic tension apparatus in gap between adjacent column roller.
2. according to milling device claimed in claim 1, it is characterized in that, described chip recovering mechanism comprises the rotating shaft that is rotationally connected with body, fork that one end is fixedly connected with rotating shaft and is located at the free-ended debris collector of fork, described rotating shaft is located on the line of symmetry of idler wheel mechanism, and the position of rotating shaft is higher than the position of idler wheel mechanism; Described debris collector is usingd fork as symmetry axis, and its both sides are equipped with chip containing cavities; The bottom of described debris collector and the inner surface of milling compartment adapt.
3. according to the milling device described in claim 1 or 2, it is characterized in that, described idler wheel mechanism comprises a pair of intermeshing bow font roller, and the gap between its bow font roller is greater than the gap between described column roller.
4. according to milling device claimed in claim 3, it is characterized in that, described elastic tension apparatus comprises the back-moving spring that is wrapped in the puller strap on the rolling bearing of column roller two ends and connects relative two puller straps.
5. according to milling device claimed in claim 4, it is characterized in that, also comprise the cutting knife of being located at described corase grind mechanism top and the motor that drives cutting knife High Rotation Speed, described cutting knife is along being circumferentially provided with a plurality of blades, and the rotation side of described blade is provided with some sharp portions.
6. according to milling device claimed in claim 5, it is characterized in that, on the milling compartment roof of described cutting knife top and the circumferential corresponding milling compartment sidewall of cutting knife, be provided with some sharp portions.
7. according to milling device claimed in claim 6, it is characterized in that, the thickness of described cutting knife is by radially attenuation gradually of center.
8. according to the milling device described in claim 5-7 any one, it is characterized in that, described hopper is two, is arranged at respectively the top that idler wheel mechanism is corresponding, and the feeding-passage of described hopper is obliquely installed.
9. according to milling device claimed in claim 2, it is characterized in that, also comprise that described driving mechanism comprises gear drive, ring gear transmission mechanism and four jointed gear units for driving the driving mechanism of described grinding mechanism and the motion of chip recovering mechanism;
Described gear drive be connected with drive motors gear wheel, with the driving gear A of gear wheel engagement, with the driven gear A of driving gear A engagement, with the coaxial driving gear B of gear wheel and with the driven gear B of driving gear B engagement, on the gear shaft of described driving gear A, driven gear A, driving gear B, driven gear B, be connected with respectively one of them roller of composition idler wheel mechanism;
Described ring gear transmission mechanism comprises ring gear one, ring gear two and connects the power transmission shaft of ring gear one and ring gear two, described ring gear one and driving gear A or driven gear A or driving gear B or driven gear B are coaxially connected, coaxial connection of one of described ring gear two and column roller of arranging in pairs;
Described four jointed gear units comprise the connecting rod one that is fixedly installed, connecting rod two, the connecting rod three hinged with connecting rod one and be connected the connecting rod four of connecting rod two and connecting rod three respectively, and described connecting rod two is fixedly connected with the gear shaft of described driving gear A or driven gear A or driving gear B or driven gear B;
In the rotating shaft of described chip recovering mechanism, be connected with gear C, described connecting rod three is provided with the gear teeth with gear C engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365097.6A CN104128240B (en) | 2014-07-29 | 2014-07-29 | Circulating milling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365097.6A CN104128240B (en) | 2014-07-29 | 2014-07-29 | Circulating milling device |
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| CN104128240A true CN104128240A (en) | 2014-11-05 |
| CN104128240B CN104128240B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410365097.6A Active CN104128240B (en) | 2014-07-29 | 2014-07-29 | Circulating milling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879999A (en) * | 2016-06-29 | 2016-08-24 | 宁夏黄河谣农产品综合开发有限公司 | Chaff crushing device capable of ensuring uniform blanking of chaff |
| CN109602298A (en) * | 2018-12-19 | 2019-04-12 | 宁波市弘露电子商务有限公司 | Household material grinding device |
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| CN1045533A (en) * | 1989-03-17 | 1990-09-26 | 比勒股份公司 | Flour milling method and abrasive dust device |
| CN1705515A (en) * | 2002-05-16 | 2005-12-07 | Khd洪博特·威德格股份公司 | Circulating grinding plant comprising a mill and a sifter |
| JP2006136870A (en) * | 2004-10-14 | 2006-06-01 | Hosokawa Funtai Gijutsu Kenkyusho:Kk | Grinder and powder production method using the grinder |
| CN202137014U (en) * | 2011-05-15 | 2012-02-08 | 盐城吉达环保设备有限公司 | Outer circulation deironing grinding equipment |
| CN103537340A (en) * | 2013-11-05 | 2014-01-29 | 长沙深湘通用机器有限公司 | Roll mill |
| CN204017971U (en) * | 2014-07-29 | 2014-12-17 | 浙江工业大学 | Circulating abrasive dust mechanism |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045533A (en) * | 1989-03-17 | 1990-09-26 | 比勒股份公司 | Flour milling method and abrasive dust device |
| CN1705515A (en) * | 2002-05-16 | 2005-12-07 | Khd洪博特·威德格股份公司 | Circulating grinding plant comprising a mill and a sifter |
| JP2006136870A (en) * | 2004-10-14 | 2006-06-01 | Hosokawa Funtai Gijutsu Kenkyusho:Kk | Grinder and powder production method using the grinder |
| CN202137014U (en) * | 2011-05-15 | 2012-02-08 | 盐城吉达环保设备有限公司 | Outer circulation deironing grinding equipment |
| CN103537340A (en) * | 2013-11-05 | 2014-01-29 | 长沙深湘通用机器有限公司 | Roll mill |
| CN204017971U (en) * | 2014-07-29 | 2014-12-17 | 浙江工业大学 | Circulating abrasive dust mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105879999A (en) * | 2016-06-29 | 2016-08-24 | 宁夏黄河谣农产品综合开发有限公司 | Chaff crushing device capable of ensuring uniform blanking of chaff |
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| CN109602298A (en) * | 2018-12-19 | 2019-04-12 | 宁波市弘露电子商务有限公司 | Household material grinding device |
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| CN104128240B (en) | 2016-05-18 |
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