CN102744128A - Direct-current type double-support strong ring roll mill - Google Patents
Direct-current type double-support strong ring roll mill Download PDFInfo
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- CN102744128A CN102744128A CN2012102681111A CN201210268111A CN102744128A CN 102744128 A CN102744128 A CN 102744128A CN 2012102681111 A CN2012102681111 A CN 2012102681111A CN 201210268111 A CN201210268111 A CN 201210268111A CN 102744128 A CN102744128 A CN 102744128A
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Abstract
The invention discloses a direct-current type double-support strong ring roll mill. The grinding roller device and the grinding ring of a grinding host machine are arranged in a host machine shell; the grinding roller device is installed on a spindle; the grinding ring and the host machine shell are in gapless connection; the upper end and the lower end of the spindle are supported and installed by an upper bearing position and a lower bearing position; the grinding roller device comprises grinding roller racks, grinding rollers, grinding roller shafts, rolling roller shaft pushing racks and thrust mechanisms; the grinding roller shafts are arranged on the ring slot holes of the grinding roller racks; the upper ends and the lower ends of the grinding roller shafts are arranged in radial slots arranged on the grinding roller racks on the top and the bottom of the ring slot in a sliding mode; the grinding roller shaft pushing racks for pushing the grinding roller shafts are arranged in the slot rings in a sliding model; the thrust mechanisms for generating radial thrust for the grinding roller shaft push racks are arranged on the bottom of the ring slot; and the grinding rollers are arranged in the grinding roller shaft pushing racks and are installed on the grinding roller shafts by bearings. According to the direct-current type double-support strong ring roll mill disclosed by the invention, additional thrust is applied to the grinding rollers by the thrust mechanism to increase the grinding force of the grinding rollers so as to obtain a better breaking effect and further improve the yield.
Description
(1) technical field:
The present invention relates to a kind of powder process equipment, be specially the powerful ring of a kind of single flow dual-gripper roller mill.
(2) background technology:
For the abrasive dust main frame that solves tradition ring roller mill shakes problems such as big, that noise is high, grinding efficiency is low, output is little, mechanical loss is big; The applicant has proposed, and a kind of " the ultra-fine ring roller mill of single flow dual-gripper " invented and utility model patent; Its abrasive dust main frame adopts dual-gripper and top charging, material after the multilayer grinding outside the bottom is transported to machine the structure of grader.The abrasive dust main frame of this ring roller mill does not receive grader classification quantitative limitation; Discharging does not leak outside; So under equal service condition, can throw in more material, can make material bed thicker between grinding roller and the bull ring, improved grinding efficiency; Alleviated mechanical collision and wearing and tearing between grinding roller and the bull ring, so abrasive dust main frame noise is low, mechanical loss is little, output is higher.
Further discover, along with the improvement of " the ultra-fine ring roller mill of single flow dual-gripper " structure, the raising of incompatibility production capacity of original grinding roller mechanism.
As everyone knows; The abrasive dust main frame Cracking Mechanism of ring roller mill is that grinding roller and bull ring on the grinding roller frame roll broken material each other; Crushing efficiency depends on the active force between grinding roller and the bull ring; And the active force between grinding roller and the bull ring to be rotation, the grinding roller that relies on the grinding roller frame produce centrifugal force and obtain, improve the centrifugal force of grinding roller and then increase grinding pressure, be the important measures that further improve production capacity.
The simple way that improves grinding roller centrifugal force is to improve the rotating speed of grinding roller frame or increase the grinding roller quality; And for the certain ring roller of model specification grinds the abrasive dust main frame; Its structural design has been taken into account design factors such as the speed of mainshaft and grinding roller quality; The change of any one design factor then can be pulled one hair and move the whole body, and certainly will cause the design again of ring roller mill abrasive dust host machine integral structure.
(3) summary of the invention:
To the weak point that modified ring roller mill abrasive dust main frame system of processing remains, the objective of the invention is to design the powerful ring of a kind of single flow dual-gripper that improves the grinding roller grinding pressure and then enhance production capacities roller mill.
Can realize the powerful ring of the single flow dual-gripper roller mill of above-mentioned purpose; Comprise the abrasive dust main frame; The host housing of said abrasive dust main frame is installed on the main frame base, and Burnisher apparatus and bull ring are located in the said host housing, and said Burnisher apparatus is installed on the main shaft; Said bull ring and host housing do not have the gap and install; Said main shaft top and bottom are supported through upper bearing (metal) position in the host housing and lower bearing position and are installed, and offer the negative pressure gas port of connecting the outer grader carrier pipe of abrasive dust main frame on the said main frame base, and different is that said Burnisher apparatus comprises that grinding roller frame, grinding roller, grinding roller axle, grinding roller axle push away frame and thrust mechanism; Said grinding roller is located in grinding roller frame annular groove mouth; The upper and lower end of grinding roller axle is snug fit in the radial slot of offering on annular groove top and the bottom grinding roller frame, and the grinding roller axle that promotes the grinding roller axle pushes away the frame slip and is located in the grinding roller frame annular groove, and the thrust mechanism that the grinding roller axle is pushed away frame generation radial thrust is located at grinding roller frame annular groove bottom; Said grinding roller is located at the grinding roller axle and is pushed away in the frame and be installed on the grinding roller axle through bearing.
Operation principle of the present invention is to utilize thrust mechanism to apply an extra radial pressure to grinding roller, and the centrifugal force stack of this radial pressure and grinding roller self produces bigger grinding pressure and acts on the material, thereby obtains the output of bigger crushing efficiency and Geng Gao.
Said thrust mechanism can adopt elastic body or adopt hydraulic mechanism or adopt air pressure mechanism.
Said thrust mechanism can also adopt the combining structure of elastic body and hydraulic mechanism or adopt the combining structure of elastic body and air pressure mechanism.
Said grinding roller can be made as one deck, be to improve abrasive dust efficient, and said grinding roller can be made as two-layer or multilayer, and is corresponding, offers on the said bull ring and one deck, two-layer or one, two or many mill roads that the multilayer grinding roller is corresponding.
Said grinding roller routine is made as three layers, and the ground floor grinding roller is installed on the grinding roller frame, and second, third layer grinding roller is installed on down the grinding roller frame; Article one, the mill road is opened in bull ring, and second, third mill road is opened in down bull ring.
Advantage of the present invention:
1, the abrasive dust main frame of the powerful ring of single flow dual-gripper of the present invention roller mill adopts thrust mechanism that grinding roller is applied the extra-push model except that centrifugal force, increases the grinding pressure of grinding roller to material, thereby can obtain the further raising of better crushing effect and output.
2, the present invention just transforms Burnisher apparatus, and the agent structure of original ring roller mill abrasive dust main frame does not have any change, does not have the influence to the mechanical performance of abrasive dust main frame, but has obtained tangible processing usefulness.
(4) description of drawings:
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the structural representation of Burnisher apparatus in Fig. 1 embodiment.
Figure number sign: 1, host housing; 2, main shaft; 3, main frame base; 4, lower bearing position; 5, negative pressure gas port; 6, main frame loam cake; 7, upper bearing (metal) position; 8, feed pipe; 9, grinding roller; 10, go up the grinding roller frame; 11, following grinding roller frame; 12, go up bull ring; 13, following bull ring; 14, grinding roller axle; 15, the grinding roller axle pushes away frame; 16, thrust mechanism; 17, radial slot; 18, bearing.
(5) specific embodiment:
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
The abrasive dust main frame of the powerful ring of single flow dual-gripper of the present invention roller mill comprises host housing 1, main frame loam cake 6, main frame base 3, main shaft 2, Burnisher apparatus and bull ring; The upper and lower opening of said host housing 1 is connected and installed with main frame loam cake 6 and main frame base 3 respectively through flange; Said main shaft 2 vertically places on the central axis of host housing 1; The upper/lower terminal of main shaft 2 supports installation respectively by upper and lower bearing position 7,4; Upper and lower bearing position 7,4 is located at the center of main frame loam cake 6 and main frame base 3 respectively; Said Burnisher apparatus is installed on main shaft 2, and the outer conical surface of the bull ring corresponding with the Burnisher apparatus position cooperates the back fixed installation with the internal conical surface of host housing 1, as shown in Figure 1.
The charging aperture of said abrasive dust main frame is opened on the main frame loam cake 6, and charging aperture splits 7 both sides, upper bearing (metal) position, and two charging apertures are communicated in the batch mixing bucket of abrasive dust main frame top through Y type feed pipe 8; The negative pressure gas port 5 of said abrasive dust main frame is that discharging opening is opened on main frame base 3 sides, and negative pressure gas port 5 is communicated with carrier pipe, and said carrier pipe is communicated with the outer grader of abrasive dust main frame; The lower end of said main shaft 2 and connects drive motors through reductor outside main frame base 3 is stretched out in lower bearing position 4, as shown in Figure 1.
Said Burnisher apparatus pushes away frame 15 by grinding roller frame, grinding roller 9, grinding roller axle 14, grinding roller axle and thrust mechanism 16 constitutes; Said grinding roller frame is divided into grinding roller frame 10 and following grinding roller frame 11; The equally distributed grinding roller 9 of one deck circumference (ground floor grinding roller 9) is installed in the annular groove of last grinding roller frame 10, two layers of equally distributed grinding roller 9 of circumference (second, third layer grinding roller 9) are installed respectively in the two-layer annular groove on the following grinding roller frame 11; Corresponding with grinding roller 9 positions; Bull ring is divided into bull ring 12 and following bull ring 13; Offering a mill road (article one mill road) on the last bull ring 12 cooperates with the ground floor grinding roller 9 of last grinding roller frame 10; Offer two mill roads (second, third mill road) on the following bull ring 13 and cooperate with second, third layer grinding roller 9 of following grinding roller frame 11, as shown in Figure 1.
Said grinding roller axle 14, the grinding roller axle pushes away frame 15 and thrust mechanism 16 all is arranged in every layer of annular groove of grinding roller frame.Said grinding roller axle 14 is vertical at grinding roller frame annular groove mouth; The upper and lower end of grinding roller axle 14 is snug fit in the radial slot of offering on annular groove top and the bottom grinding roller frame 17; Said thrust mechanism 16 is located at grinding roller frame annular groove bottom; Between thrust mechanism 16 and grinding roller axle 14, be arranged at the grinding roller axle that is slidingly matched in the grinding roller frame annular groove and push away frame 15, grinding roller axle 14 places the grinding roller axle to push away in the horizontal plate body front end of the upper and lower level prong of frame 15, and thrust mechanism 16 acts on the grinding roller axle and pushes away on the vertical vertical plate body in frame 15 rear ends; Said grinding roller 9 is located at the grinding roller axle and is pushed away in the upper and lower plate body of frame 15 and through bearing 18 and be installed on the grinding roller axle 14, and is as shown in Figure 2.
Said thrust mechanism 16 adopts the combining structure of elastic body (compression spring) and hydraulic mechanism (hydraulic jack), and is as shown in Figure 2.
The course of work of the present invention:
1, electric motor starting; Main shaft 2 rotations drive the grinding roller frame and rotate; The hydraulic system fuel feeding of abrasive dust main frame, hydraulic mechanism (hydraulic jack) is radially released grinding roller axle 14 together with grinding roller 9 with elastic body (compression spring) acting in conjunction, makes grinding roller 9 be pressed on the bull ring and rolling.2, particle is got into the epicoele of abrasive dust main frame through main frame loam cake 6 by feed pipe 8 from the batch mixing bucket.
3, particle is after article one, second and the 3rd mill road of ground floor, the second layer and the 3rd layer of grinding roller 9 and bull ring grind, and fines falls into the cavity of resorption of abrasive dust main frame.
4, system's negative pressure is carried out classification through carrier pipe with the grader that fines is delivered to outside the abrasive dust main frame, and the remaining meal of classification returns the batch mixing bucket through the feed back pipe and participates in grinding next time.
Claims (5)
1. the powerful ring of single flow dual-gripper roller grinds; Comprise the abrasive dust main frame; The host housing of said abrasive dust main frame (1) is installed on the main frame base (3); Burnisher apparatus and bull ring are located in the said host housing (1); Said grinding roller mechanism is installed on the main shaft (2), and install in the no gap of said bull ring and host housing (1), and installation is supported through the upper bearing (metal) position (7) in the host housing (1) and lower bearing position (4) in the top and bottom of said main shaft (2); Offer the negative pressure gas port (5) of connecting the outer grader carrier pipe of abrasive dust main frame on the said main frame base (3); It is characterized in that: said Burnisher apparatus comprises that grinding roller frame, grinding roller (9), grinding roller axle (14), grinding roller axle push away frame (15) and thrust mechanism (16), and said grinding roller axle (14) is located at grinding roller frame annular groove mouth, and the upper and lower end of grinding roller axle (14) is snug fit in the radial slot of offering on annular groove top and the bottom grinding roller frame (17); The grinding roller axle that promotes grinding roller axle (14) pushes away frame (15) slip and is located in the grinding roller frame annular groove, and the thrust mechanism (16) that the grinding roller axle is pushed away frame (15) generation radial thrust is located at grinding roller frame annular groove bottom; Said grinding roller (9) is located at the grinding roller axle and is pushed away in the frame (15) and be installed on the grinding roller axle (14) through bearing (18).
2. the powerful ring of single flow dual-gripper according to claim 1 roller mill is characterized in that: said thrust mechanism (16) is for elastic body or for hydraulic mechanism or be air pressure mechanism.
3. the powerful ring of single flow dual-gripper according to claim 1 roller mill is characterized in that: said thrust mechanism (16) is the combining structure of elastic body and hydraulic mechanism or is the combining structure of elastic body and air pressure mechanism.
4. according to any powerful ring of described single flow dual-gripper roller mill in the claim 1～3; It is characterized in that: said grinding roller (9) is one deck, two-layer or multilayer, offers on the said bull ring and one deck, two-layer or one, two or many mill roads that multilayer grinding roller (9) is corresponding.
5. the powerful ring of single flow dual-gripper according to claim 4 roller mill; It is characterized in that: said grinding roller (9) is three layers; Ground floor grinding roller (9) is installed on grinding roller frame (10); Second, third layer grinding roller (9) is installed on down grinding roller frame (11), and article one mill road is opened in bull ring (12), and second, third mill road is opened in down bull ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102681111A CN102744128A (en) | 2012-07-30 | 2012-07-30 | Direct-current type double-support strong ring roll mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102681111A CN102744128A (en) | 2012-07-30 | 2012-07-30 | Direct-current type double-support strong ring roll mill |
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| CN102744128A true CN102744128A (en) | 2012-10-24 |
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| CN2012102681111A Pending CN102744128A (en) | 2012-07-30 | 2012-07-30 | Direct-current type double-support strong ring roll mill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896022A (en) * | 2012-10-29 | 2013-01-30 | 桂林晟兴机械制造有限公司 | Automatic pressurizing device for grinding roller of flour mill |
| CN102989555A (en) * | 2012-12-12 | 2013-03-27 | 肖先成 | Eccentric grinding roller single and double support ring roller mill |
| CN105618201A (en) * | 2016-03-31 | 2016-06-01 | 河南维科重工机械有限公司 | Pressurized self-balancing grinding machine with ultra-large rolls |
Citations (9)
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|---|---|---|---|---|
| GB663125A (en) * | 1949-07-25 | 1951-12-19 | Foundry Equipment Ltd | Improvements in and relating to grinding mills |
| US3027103A (en) * | 1961-01-09 | 1962-03-27 | Myron S Mischanski | Grinding mills |
| RU1813568C (en) * | 1989-10-12 | 1993-05-07 | Государственный Всесоюзный Институт По Проектированию И Научно-Исследовательским Работам "Южгипроцемент" | Ring-roller mill |
| CN2805933Y (en) * | 2005-03-18 | 2006-08-16 | 彭美骥 | Tower type mill |
| CN201132126Y (en) * | 2007-11-30 | 2008-10-15 | 洛阳巨力机械制造有限公司 | Pre-grinding mill |
| CN201361570Y (en) * | 2009-02-20 | 2009-12-16 | 上海世邦机器有限公司 | High-pressure ultrafine mill |
| CN102350394A (en) * | 2011-11-10 | 2012-02-15 | 桂林晟兴机械制造有限公司 | Straight-through type double-support ultra-fine ring roller grinder |
| CN202316028U (en) * | 2011-11-24 | 2012-07-11 | 武汉科技大学 | Pressurization buffer device for vertical roller mill |
| CN202762493U (en) * | 2012-07-30 | 2013-03-06 | 桂林晟兴机械制造有限公司 | Direct-current dual-support powerful ring-roll mill |
-
2012
- 2012-07-30 CN CN2012102681111A patent/CN102744128A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB663125A (en) * | 1949-07-25 | 1951-12-19 | Foundry Equipment Ltd | Improvements in and relating to grinding mills |
| US3027103A (en) * | 1961-01-09 | 1962-03-27 | Myron S Mischanski | Grinding mills |
| RU1813568C (en) * | 1989-10-12 | 1993-05-07 | Государственный Всесоюзный Институт По Проектированию И Научно-Исследовательским Работам "Южгипроцемент" | Ring-roller mill |
| CN2805933Y (en) * | 2005-03-18 | 2006-08-16 | 彭美骥 | Tower type mill |
| CN201132126Y (en) * | 2007-11-30 | 2008-10-15 | 洛阳巨力机械制造有限公司 | Pre-grinding mill |
| CN201361570Y (en) * | 2009-02-20 | 2009-12-16 | 上海世邦机器有限公司 | High-pressure ultrafine mill |
| CN102350394A (en) * | 2011-11-10 | 2012-02-15 | 桂林晟兴机械制造有限公司 | Straight-through type double-support ultra-fine ring roller grinder |
| CN202316028U (en) * | 2011-11-24 | 2012-07-11 | 武汉科技大学 | Pressurization buffer device for vertical roller mill |
| CN202762493U (en) * | 2012-07-30 | 2013-03-06 | 桂林晟兴机械制造有限公司 | Direct-current dual-support powerful ring-roll mill |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896022A (en) * | 2012-10-29 | 2013-01-30 | 桂林晟兴机械制造有限公司 | Automatic pressurizing device for grinding roller of flour mill |
| CN102989555A (en) * | 2012-12-12 | 2013-03-27 | 肖先成 | Eccentric grinding roller single and double support ring roller mill |
| CN105618201A (en) * | 2016-03-31 | 2016-06-01 | 河南维科重工机械有限公司 | Pressurized self-balancing grinding machine with ultra-large rolls |
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Application publication date: 20121024 |