CN104174464A - Slant-roller regrinding pneumatic and hydraulic powder grinder - Google Patents
Slant-roller regrinding pneumatic and hydraulic powder grinder Download PDFInfo
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- CN104174464A CN104174464A CN201410431902.0A CN201410431902A CN104174464A CN 104174464 A CN104174464 A CN 104174464A CN 201410431902 A CN201410431902 A CN 201410431902A CN 104174464 A CN104174464 A CN 104174464A
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Abstract
The invention discloses a slant-roller regrinding pneumatic and hydraulic powder grinder. A powder grinding main machine comprises powder grinding devices arranged in an up-down manner, wherein each powder grinding device comprises a grinding roller mechanism and a grinding ring; each grinding roller mechanism comprises a grinding roller rack and grinding rollers; the grinding rollers are uniformly distributed at the periphery of the corresponding grinding roller racks; the grinding rollers are arranged in a manner of slanting downwards; the slant grinding rollers are pressed in oblique grinding channels of the grinding rings by pneumatic or hydraulic pushing mechanisms which are arranged on the corresponding grinding roller racks; the grinding roller racks of the upper powder grinding device and the lower powder grinding device are respectively mounted on an upper main shaft and a lower main shaft which are coaxial with each other; the upper main shaft is mounted between an upper bearing seat and a middle upper bearing seat; the lower main shaft is mounted between a middle lower bearing seat and a lower bearing seat; the up main shaft and the lower main shaft are respectively connected with corresponding transmission mechanisms. By virtue of the slant-roller regrinding pneumatic and hydraulic powder grinder, combined structures for crushing, rough grinding and fine grinding are used and respectively play the respective advantageous performances; the productive efficiency is greatly improved; fine powder or superfine powder is high in production speed and high in quality.
Description
(1) technical field:
The present invention relates to breeze process equipment, be specially a kind of cross roll regrinding gas hydraulic flour mills.
(2) background technology:
Flour mill is the common equipment that China pulverizes for breeze, applies very extensive.
Powder processing is divided into meal, fine powder and superfine powder processing, as all can adopting Raymond machine, the processing of 60 orders or 400 object meal or fine powder machines, but collect thinner or superfine powder (500 order～3000 orders are even higher), if also adopt Raymond machine processing, the outstanding problem such as the process time of Raymond machine, efficiency, vibrations and noise is difficult to solve.
If therefore want to obtain the micro mist of thinner or ultra-fine order number, need to adopt the flour mill of other structural shape to encircle roller mill.For the retrofit of ring roller mill, to the requirement to some extent of the degree of crushing of its charging, the degree of crushing of Raymond machine charging cannot adapt to the requirement of ring roller mill, and need do material further broken.
As can be seen here, Raymond machine cannot be taken into account the processing of thinner or superfine powder; And ring roller mill depends on the broken process of preorder, increased front production cost for the period, overall price/performance ratio is not high.
(3) summary of the invention:
For the weak point of traditional abrasive dust main frame, technical problem to be solved by this invention has been to provide a kind of low cost, dynamical cross roll regrinding gas hydraulic flour mills.
The cross roll regrinding gas hydraulic flour mills that can solve the problems of the technologies described above, its technical scheme comprises abrasive dust main frame, described abrasive dust main frame comprises the milling device that upper and lower arranges, be that with prior art institute difference described milling device comprises grinding roller mechanism and bull ring, described grinding roller mechanism comprises grinding roller frame and pushes away by grinding roller the grinding roller that frame circumference uniform distribution is located at grinding roller frame, the oblique below of described grinding roller frame arranges, and tilting grinding roller is pushed away frame and is pressed on the oblique mill road of bull ring by the air pressure thrust mechanism arranging on grinding roller frame or hydraulic thrust mechanism urges grinding roller; The grinding roller frame of upper and lower milling device is respectively at installing on the coaxial main shaft of upper and lower, upper main shaft is installed between upper shaft bearing and middle upper shaft bearing, the next main shaft is installed between middle lower axle bearing and lower axle bearing, described upper shaft bearing is located at the seat of honour, described lower axle bearing is located at base, and the main shaft of upper and lower connects respectively soon, transmission mechanism and obtain fast, low-rotate speed at a slow speed; The bull ring of upper and lower milling device is installed on respectively in upper and lower coaxial cover cylinder, the next cover cylinder is installed on base, the described seat of honour is installed on upper cover cylinder, and described middle upper shaft bearing and middle lower axle bearing are installed on the junction of upper and lower cover cylinder by support.
Design principle of the present invention is that milling device is arranged by upper and lower position, and upper milling device is first broken by material and be rolled into meal by fast rotating speed, then the low-rotate speed by the next milling device is further ground to even superfine powder of fine powder by meal; The power of milling of described grinding roller is partical gravity, centrifugal force and the air pressure of grinding roller or making a concerted effort of hydraulic thrust mechanism active force, compared with traditional approach, has further increased grinding pressure.
The grinding roller of upper milling device can be made as one deck, be to improve abrasive dust efficiency, and described grinding roller also can be made as and on two-layer, corresponding bull ring, offer a Huo Liangtiaomo road corresponding with one deck or two-layer grinding roller.
In like manner, the grinding roller of the next milling device can be made as one deck, be to improve abrasive dust efficiency, and described grinding roller also can be made as and on two-layer, corresponding bull ring, offer a Huo Liangtiaomo road corresponding with one deck or two-layer grinding roller.
Charging aperture is offered at top in the seat of honour, in the bottom of base, offers discharging opening.
For ease of discharging, the scraper plate being driven by the next main shaft corresponding to discharging opening setting.
Corresponding to discharging opening, the outer grading plant of machine is set, the conveying pipeline of the classified device of qualified powder is derived, and the feed back pipe of the classified device of defective powder returns to charging aperture and again participates in milling.
Advantage of the present invention:
1, cross roll regrinding gas hydraulic flour mills of the present invention adopt the combining structure of fragmentation, corase grind, fine grinding, traditional thickness powder is mixed to the production technology of milling,---the technique of milling that meal---fine powder---superfine powder is gone forward one by one that is updated to fragmentation, each section of milling device given full play to advantage performance separately, prouctiveness increases substantially, energy is effectively distributed, and the speed of production of fine powder or superfine powder is fast, quality better.
2, the present invention adopts grinding roller and the bull ring of oblique cooperation, can grinding roller be done greatlyr on the one hand, the partical gravity of grinding roller participates in milling, on the basis of centrifugal force and air pressure or hydraulic thrust mechanism active force, more improve the power of milling, thereby improved production efficiency.
3, the pressure that the air pressure that the present invention adopts or hydraulic thrust mechanism provide can carry out automatically changing and regulating according to the dynamics of ground ore, to adapt to the ore of various different sizes, hardness.
4, the present invention adopts grinding roller and the bull ring of oblique cooperation, and the oblique mill road of bull ring has increased the area of milling on the one hand, has slowed down on the other hand the speed that material falls, and has increased material in the time of staying in the district that mills, thereby has improved grinding efficiency.
(4) accompanying drawing explanation:
Fig. 1 is the structural representation of one embodiment of the present invention.
Figure number sign: 1, bull ring; 2, grinding roller frame; 3, grinding roller; 4, hydraulic thrust mechanism; 5, main shaft; 6, upper shaft bearing; 7, lower axle bearing; 8, the seat of honour; 9, base; 10, cover cylinder; 11, charging aperture; 12, discharging opening; 13, shaft coupling; 14, grinding roller pushes away frame.
(5) specific embodiment:
Below in conjunction with accompanying drawing illustrated embodiment, technical scheme of the present invention is described further:
Cross roll regrinding gas hydraulic flour mills of the present invention, its abrasive dust main frame comprises the seat of honour 8, base 9, upper cover cylinder 10, lower cover cylinder 10, upper main shaft 5 and the next main shaft 5.Described base 9 is installed on ground, and upper cover cylinder 10 is installed lower cover cylinder 10 after being connected by flange coaxial with lower cover cylinder 10 on base 9 by flange arrangement, and install on upper cover cylinder 10 by flange arrangement at the described seat of honour 8; Described upper main shaft 5 is located at the center in the seat of honour 8 and upper cover cylinder 10 regions, described the next main shaft 5 is located at the center in lower cover cylinder 10 and base 9 regions, the two axial ends of upper main shaft 5 is by upper shaft bearing 6 and the installation in place of middle lower axle bearing, the two axial ends of the next main shaft 5 is by middle lower axle bearing and lower axle bearing 7 installation in place, described upper shaft bearing 6 is installed on the seat of honour 8, described lower axle bearing 7 is installed on base 9, and described middle upper shaft bearing and middle lower axle bearing are installed on the junction of upper and lower cover cylinder 10 by support; The upper axle head of upper main shaft 5 connects quick gearing mechanism by shaft coupling 13, and the lower shaft end of the next main shaft 5 connects transmission mechanism at a slow speed by shaft coupling 13, as shown in Figure 1.
Described abrasive dust main frame also comprises by upper, the milling device that upper/lower positions arranges, described milling device comprises grinding roller frame 2, grinding roller pushes away frame 14, grinding roller 3 and bull ring 1, the oblique below of support body of described grinding roller frame 2, described grinding roller pushes away the support body outer rim that frame 14 circumference uniform distributions are located at grinding roller frame 2, grinding roller pushes away the upper of frame 14, slide and be placed on the support body of grinding roller frame 2 in the corresponding radial groove of offering in lower two ends, corresponding to each grinding roller, push away frame 14, support body inside in grinding roller frame 2 arranges hydraulic thrust mechanism 4, the piston rod of described hydraulic thrust mechanism 4 is connected in corresponding grinding roller and pushes away frame 14 rear ends, the oblique outer top of described grinding roller 3 is installed on the front end that each grinding roller pushes away frame 14, corresponding to tilting grinding roller 3, described bull ring 1 has the oblique mill road coordinating with grinding roller 3, hydraulic thrust mechanism 4 acts on grinding roller and pushes away on frame 14 the radially oblique below of grinding roller 3 is pressed on bull ring 1, the control module of hydraulic system can regulate the hydraulic thrust of hydraulic pressure thrust mechanism 4 big or small according to the size of the material of milling and hardness automatically, as shown in Figure 1.
For upper milling device, its grinding roller frame 2 is connected on upper main shaft 5 with axle key, and its bull ring 1 is installed on the inner peripheral surface of upper cover cylinder 10 bottoms; For the next milling device, its grinding roller frame 2 is connected on the next main shaft 5 with axle key, and its bull ring 1 is installed on the inner peripheral surface of lower cover cylinder 10 bottoms, as shown in Figure 1.
The charging aperture 11 of described abrasive dust main frame is opened in the top at the seat of honour 8, the discharging opening 12 of abrasive dust main frame is opened in the bottom of base 9, the scraper plate being driven by the next main shaft 5 is set corresponding to discharging opening 12, corresponding to discharging opening 12, in body, grading plant is set outward, as shown in Figure 1.
In conventional design, the grinding roller 3 of upper milling device is made as one deck, offers the road with the corresponding Yi Tiaomo of one deck grinding roller 3 on the bull ring 1 of upper milling device; And the grinding roller 3 of the next milling device is made as one deck or two-layer, on the bull ring 1 of the next milling device, offer a Huo Liangtiaomo road corresponding with one deck or two-layer grinding roller 3.
The course of work of the present invention:
1, electric motor starting, quick gearing mechanism drives upper main shaft 5 fast rotational, and upper milling device rotates simultaneously and rapidly; Transmission mechanism drives the next main shaft 5 to rotate at a slow speed at a slow speed, the synchronous slow rotation of the next milling device.
2, material enters from the charging aperture 11 at the abrasive dust main frame seat of honour 8, and the upper district that mills that material forms between upper grinding roller 3 and upper bull ring 1 first carries out fragmentation and corase grind.
3, the powder through broken and corase grind falls to entering the next district that mills forming between the next grinding roller 3 and the next bull ring 1, further meal is ground to fine powder or superfine powder.
4, fine powder or superfine powder fall into the bottom of abrasive dust main machine base 9, and enter grading plant outside machine through discharging opening 12, the conveying pipeline of qualified fine powder or the classified device of superfine powder is derived and is collected, and the charging aperture 11 that the feed back pipe of the classified device of defective powder returns to the abrasive dust main frame seat of honour 6 participates in milling again.
Claims (6)
1. cross roll regrinding gas hydraulic flour mills, comprise abrasive dust main frame, described abrasive dust main frame comprises the milling device that upper and lower arranges, it is characterized in that: described milling device comprises grinding roller mechanism and bull ring (1), described grinding roller mechanism comprises grinding roller frame (2) and pushes away by grinding roller the grinding roller (3) that frame (14) circumference uniform distribution is located at grinding roller frame (2), the oblique below of described grinding roller frame (2) arranges, and tilting grinding roller (3) promotes grinding roller by the upper air pressure thrust mechanism arranging of grinding roller frame (2) or hydraulic thrust mechanism (4) and pushes away frame (14) and be pressed on the oblique mill road of bull ring (1); The grinding roller frame (2) of upper and lower milling device is installed respectively at the coaxial main shaft of upper and lower (5) is upper, upper main shaft (5) is installed between upper shaft bearing (6) and middle upper shaft bearing, the next main shaft (5) is installed between middle lower axle bearing and lower axle bearing (7), described upper shaft bearing (6) is located at the seat of honour (8), described lower axle bearing (9) is located at base (9), and the main shaft of upper and lower (5) connects soon respectively, transmission mechanism at a slow speed; The bull ring of upper and lower milling device (1) is installed on respectively in upper and lower coaxial cover cylinder (10), the next cover cylinder (10) is installed on base (9), it is upper that the described seat of honour (8) is installed on upper cover cylinder (10), and described middle upper shaft bearing and middle lower axle bearing are installed on the junction of upper and lower cover cylinder (10) by support.
2. cross roll regrinding gas hydraulic flour mills according to claim 1, it is characterized in that: the grinding roller of upper milling device (3) is one deck or two-layer, offers a Huo Liangtiaomo road corresponding with one deck or two-layer grinding roller (3) on the bull ring of upper milling device (1).
3. cross roll regrinding gas hydraulic flour mills according to claim 1, it is characterized in that: the grinding roller of the next milling device (3) is one deck or two-layer, offers a Huo Liangtiaomo road corresponding with one deck or two-layer grinding roller (3) on the bull ring of the next milling device (1).
4. according to the cross roll regrinding gas hydraulic flour mills described in any one in claim 1～3, it is characterized in that: charging aperture (11) is offered at the top of (8) in the seat of honour, in the bottom of base (9), offer discharging opening (12).
5. cross roll regrinding gas hydraulic flour mills according to claim 4, is characterized in that: the scraper plate being driven by the next main shaft (5) is set corresponding to discharging opening (12).
6. cross roll regrinding gas hydraulic flour mills according to claim 5, it is characterized in that: corresponding to discharging opening (12), the outer grading plant of machine is set, the conveying pipeline of the classified device of qualified powder is derived, and the feed back pipe of the classified device of defective powder returns to charging aperture (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410431902.0A CN104174464A (en) | 2014-08-28 | 2014-08-28 | Slant-roller regrinding pneumatic and hydraulic powder grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410431902.0A CN104174464A (en) | 2014-08-28 | 2014-08-28 | Slant-roller regrinding pneumatic and hydraulic powder grinder |
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| CN104174464A true CN104174464A (en) | 2014-12-03 |
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| CN201410431902.0A Pending CN104174464A (en) | 2014-08-28 | 2014-08-28 | Slant-roller regrinding pneumatic and hydraulic powder grinder |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009045585A (en) * | 2007-08-22 | 2009-03-05 | Shin Nihonkai Jukogyo Kk | Continuous grinder |
| CN202290192U (en) * | 2011-11-10 | 2012-07-04 | 桂林晟兴机械制造有限公司 | DC (direct current) type double-support superfine ring-roller mill |
| CN102744127A (en) * | 2012-07-30 | 2012-10-24 | 桂林晟兴机械制造有限公司 | Oscillating arm type strong grinding mill |
| CN203140075U (en) * | 2012-12-12 | 2013-08-21 | 肖先成 | Built-in bearing-type grinding roll single-double supporting ring roll grinder |
| CN103721796A (en) * | 2014-01-03 | 2014-04-16 | 桂林晟兴机械制造有限公司 | Waterfall flour mill with inclined roll |
| CN203540625U (en) * | 2013-07-23 | 2014-04-16 | 桂林晟兴机械制造有限公司 | Composite grinding type flour mill |
| CN204051792U (en) * | 2014-08-28 | 2014-12-31 | 肖先成 | Cross roll regrinding Gas fluid pressure flour mill |
-
2014
- 2014-08-28 CN CN201410431902.0A patent/CN104174464A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009045585A (en) * | 2007-08-22 | 2009-03-05 | Shin Nihonkai Jukogyo Kk | Continuous grinder |
| CN202290192U (en) * | 2011-11-10 | 2012-07-04 | 桂林晟兴机械制造有限公司 | DC (direct current) type double-support superfine ring-roller mill |
| CN102744127A (en) * | 2012-07-30 | 2012-10-24 | 桂林晟兴机械制造有限公司 | Oscillating arm type strong grinding mill |
| CN203140075U (en) * | 2012-12-12 | 2013-08-21 | 肖先成 | Built-in bearing-type grinding roll single-double supporting ring roll grinder |
| CN203540625U (en) * | 2013-07-23 | 2014-04-16 | 桂林晟兴机械制造有限公司 | Composite grinding type flour mill |
| CN103721796A (en) * | 2014-01-03 | 2014-04-16 | 桂林晟兴机械制造有限公司 | Waterfall flour mill with inclined roll |
| CN204051792U (en) * | 2014-08-28 | 2014-12-31 | 肖先成 | Cross roll regrinding Gas fluid pressure flour mill |
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Application publication date: 20141203 |