CN203108587U - Pulsating swing cone-type selective material grinding system - Google Patents
Pulsating swing cone-type selective material grinding system Download PDFInfo
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- CN203108587U CN203108587U CN 201320070154 CN201320070154U CN203108587U CN 203108587 U CN203108587 U CN 203108587U CN 201320070154 CN201320070154 CN 201320070154 CN 201320070154 U CN201320070154 U CN 201320070154U CN 203108587 U CN203108587 U CN 203108587U
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- grinding
- eccentric shaft
- mantle
- awls
- comminution
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Abstract
The utility model discloses a pulsating swing cone-type selective material grinding system. The structure is that fixed awls and vibration exciters are connected and then fixed on a frame; the inner surface of each fixed awl and the outer surface of each of movable awls form a grinding cavity; a main shaft is mounted on the frame and driven by a main motor; an eccentric shaft is mounted on the main shaft; an included angle is formed between the main shaft and the eccentric shaft; an eccentric shaft motor is connected with the eccentric shaft; the lower end of the eccentric shaft is connected with each movable awl; symmetrically distributed feeding troughs are formed in each movable awl; and alloy blocks are uniformly embedded into a movable awl working surface between every adjacent feeding troughs and working awl surfaces of the fixed awls and the movable awls in the height direction so as to form protruding ribs. According to the utility model, the grinding process has excellent controllability; the vibration of the fixed awls and the swing of the movable awls can realize impact with lowest energy consumption and shearing compound selective grinding; the grinding cavity has no blocked points, so that the grinding process is smooth; the movement track of the movable awls is changeable, so that grinding requirements of different material working conditions can be met; the protruding ribs and the troughs distributed on the working surfaces of scaleboards can better coordinate the contradictory relations among the grinding capacity, the granularity of products and the grinding energy consumption, so that efficient grinding of materials can be realized.
Description
Technical field
The utility model relates to the selective material comminution of a kind of jerk type swing circle taper system.
Background technology
Pulverizing is to make the process that the material yardstick reduces, specific area increases.Present employed grinding attachment mainly contains traditional horizontal ball mill, autogenous tumbling mill/semi-autogenous mill, vibrator, vertical centrifugal grinding machine, tower agitating ball mill etc.
Ball mill is the process equipment of a kind of broad-spectrum material corase grind and fine grinding, and this class grinding machine is to be that medium is implemented impact comminution and ground the material of various hardness with the spheroid.Grinding mill barrel when rotated, a tube interior spheroid medium produces mutual extrusion and relative displacement, causes being clipped in wherein powder and receives the crush and grind effect of pulsating stress and obtain pulverizing.But traditional ball mill crush efficiency is low, reason be owing to material in crusher chamber motion and the randomness of stand under load big, execute and carry factors such as the Strength Changes scope is bigger and cause the capacity usage ratio of general milling machine to have only 4% ~ 9%, especially when feed size was big, its grinding efficiency was lower.
Autogenous tumbling mill/semi-autogenous mill is material to be implemented impact comminution and ground as medium with all or part of bulk materials, its operation principle is similar substantially to normal mill with equipment characteristic, and the ratio of reduction is big, and is overground few, but in shattering process, form hard rock easily, make effectively reducing of grinding machine.
Vibrating mill is novel milling equipment, and it is that vibration with certain amplitude and frequency is applied on the ore grinding cylindrical shell, and powder grinding medium that the cylindrical shell that is under the judder state is driven in it produces fierce impact and grinding, quickly and efficiently material is pulverized.Have advantages such as production efficiency height, energy consumption is low, Granularity Distribution is narrow, thereby in (surpassing) fine grinding, be used widely.But because the manufacturing difficulty of high-power vibrator, the maximization of vibrating mill is applied also and is restricted.
The characteristics of centrifugal mill are to put medium (steel ball) and material in the cylinder of circular motion, make medium obtain 9 ~ 15 times of centrifugal intertia forces to gravity material is carried out impact grinding, thereby have higher grinding efficiency and product granularity uniformly.Yet this grinding machine only effectively mates between each running parameter, could comparatively take full advantage of centrifugal ballistic work; In addition, because the movement velocity of the material in the cylinder and medium is big, the quick abrasion that tube interior lining panel and mill are situated between.
Agitator mill mainly is made up of cylindrical shell and agitator, and medium produces relative motion in the tube along with the rotation of agitator, thereby the material between medium is pushed, impacts and shears.Compare with common horizontal grinding machine, its grinding efficiency height, noise is low, vibrates for a short time, and product granularity is conveniently adjusted; But feed size need be controlled below 3mm, is mainly used in the processing of nonmetallic ore and chemical products at present.
Except stirring mill, other grinding machine all exists in the course of the work and is difficult to catch sufficient material, and it is implemented effective comminution, thereby the ubiquity grinding efficiency is low; And stir mill there is high requirement in feed size, therefore, it is applied and is affected.
Summary of the invention
1, goal of the invention
The utility model mainly is conical, the selective comminution system of a kind of pulsation of exploitation, can need be caught foot by the material of comminution to each, make movement locus and the movement velocity of material be subjected to certain constraint, thereby the comminution process that realizes material have good controllability; By implementing to press and cut Shi Zaiyu and impact to execute and carry being caught sufficient material, the ore grinding energy utilization ratio is effectively improved, finally realize the high energy ore grinding.
2, technical scheme
Fixed awl (2) be fixed on the frame (7) fixed outer surface formation comminution chamber of boring inner surface and the mantle (3) of (2) after vibrator (1) links to each other; Main shaft (11) is installed on the frame (7), main motor (5) drive shaft (11); Eccentric shaft (12) is installed on the main shaft (11), forms angle between main shaft (11) and the eccentric shaft (12); Eccentric shaft motor (4) is connected with eccentric shaft (12), and eccentric shaft (12) lower end is connected with mantle (3); The feeder trough (9) of symmetrical distribution is set on the mantle (3); On mantle (3) working surface between the adjacent feeder trough (9), and on the work conical surface of fixed awl (2) and mantle (3), all inlay alloy block along short transverse, form prominent muscle (6).
Main shaft (11) becomes the eccentric swing structure of angle with eccentric shaft (12).
Mantle and the prominent muscle (6) of boring surely on the working surface are three-dimensional spiral shape.
During work, fixed awl (2) is vertically done vertical impulse type vibration with certain frequency and amplitude under vibrator 1 effect; Mantle (3) is with angular velocity omega
2In the time of eccentric shaft (12) rotation, can also angular velocity omega
1Revolve round the sun around main shaft (11); Because the existence of angle between main shaft (11) and the eccentric shaft (12), mantle 3 is in rotary course, and the relative position between the mantle 3 changes; The material of mantle 3 upper surfaces is at first divided to spread in the crusher chamber feeder trough all around under action of centrifugal force, continuation rotation along with mantle 3, material in the feeder trough can enter in the comminution chamber that has groove smoothly, breaks broken, impact grinding and stripping mill thereby the material in the comminution chamber implement pressed.
3, technique effect
(1) is convenient to catch sufficient material: utilize to have the back taper of certain altitude, variable comminution chamber shape, can catch sufficient material in the comminution chamber easily, mate under the rational situation at the geometrical structure parameter of comminution chamber type and the running parameter of comminution system, can obtain thinner dry grinding and wet-milling product granularity, so the effective rate of utilization of energy is very high.
(2) controllability of comminution operation is good: because this comminution mode has solved the sufficient problem of catching of material preferably, thereby make in the microprocess of material comminution more orderly, be conducive to set up quantitative comminution model comparatively accurately, thereby can control effectively to comminution production capacity, product granularity.
(3) can realize efficient compound comminution: because shear strength is about 30% of compression strength, impact strength is about 20% of compression strength.At the fixed vertical impulse oscillation that applies certain frequency and amplitude of boring, can implement to impact comminution to the material in the crusher chamber; The prominent muscle that distributes according to certain rule on the working surface of boring liner plate and mantle liner plate surely can implement to shear comminution to the material in the crusher chamber when mantle rotates; Thereby reduce the required crushing work of material comminution.
(4) be conducive to selective comminution: because the prominent muscle on the liner plate working surface and the existence of shallow slot, the position that bulk materials can be occurred at front end and the prominent muscle of crusher chamber obtains effective comminution; Form the bed of material and be extruded, grind and assemble in piece material or the groove between prominent muscle, or glide along crusher chamber, until being blocked by the working face of liner plate by comminution; And less than the material in floss hole gap or directly in groove, discharge, realize selective comminution.
(5) realize not have stop up comminution: designed the feeder trough of some symmetrical distributions at mantle, it is uniform to the comminution chamber to be conducive to material; The mantle axis with decide axis of cone line and have certain angle, therefore it is moving that mantle is decided conical pendulm when rotated relatively, make the comminution chamber comminution zone (pilled-in selvedge) and discharge zone (broadside) occur, because the crushing force in comminution zone (pilled-in selvedge) is big, and the crushing force of discharge zone (broadside) is little, thereby the material that is conducive in the comminution zone obtains quick comminution, and is discharged from easy material discharge region territory by the material of comminution; Therefore stopping up a little can not appear in whole crusher chamber.
(6) the mantle movement locus is variable: by control main shaft rotation direction and rotating speed thereof, change the rotation direction of eccentric shaft and the rotating speed of adjusting eccentric shaft, can make mantle produce movement locus such as circular, past complex line, helix, leafy curve, to satisfy the different comminution requirements of different material operating mode.
(7) in conjunction with the requirement of material comminution, design prominent muscle and the shallow slot structure of three-dimensional spiral shape and unequal-interval from top to bottom according to certain rules along the working surface of liner plate, can coordinate the relation between comminution production capacity, product granularity and the comminution energy consumption preferably.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the utility model structure principle chart.
Fig. 2 bores liner plate working surface schematic diagram surely for the utility model.
Fig. 3 is the utility model mantle liner plate working surface schematic diagram.
The trajectory diagram that Fig. 4 moves in a circle for the utility model mantle.
Fig. 5 is the spin trajectory diagram of line motion of the utility model mantle.
Fig. 6 makees straight-line trajectory diagram for the utility model mantle.
Fig. 7 makees the trajectory diagram of curve motion for the utility model mantle.
Among the figure: 1. vibrator, 2. fixed awl, 3. mantle, 4. eccentric shaft motor, 5. main motor, 6. prominent muscle, 7. frame, 8. main shaft, 9. eccentric shaft, 10. groove, 11. fracture area, 12. feed zones, 13. feed zones, 14. material discharge regions.
The specific embodiment
Main shaft can rotate in frame, and eccentric shaft is installed on the main shaft with certain angle, but rotation also can revolve round the sun around main shaft, mantle is cemented on the eccentric shaft; At the working surface of mantle the feeder trough of several symmetrical distributions is arranged, the prominent muscle of castingin of certain lead angle, spacing and distribution density is arranged between adjacent feeder trough.
Fixed awl links to each other with vibrator, and vibrator is cemented on the frame; The prominent muscle of castingin that certain lead angle, spacing and distribution density are also arranged on the working face of fixed awl.
Vibrator drives fixed the awl when doing extensional vibration, main motor-driven main shaft rotates in frame, main shaft drive eccentric shaft and the mantle that is installed on the eccentric shaft revolve round the sun around main shaft, the rotation of eccentric shaft motor-driven mantle, thereby make mantle do circle swing by fixed relatively awl, cause the volume generating period variation of a certain local crusher chamber.
During comminution, material drops to the upper surface of mantle from top, under action of centrifugal force, most of material will enter in the feeder trough of mantle, and along with the rotation of mantle, material will enter the comminution chamber by feeder trough, because rotation and the swing of mantle will form fracture area and material discharge region in crusher chamber; Material is being in the deciding under the cone synthetic effect of extensional vibration, will be sheared comminution and impact comminution.
The movement locus of mantle can form circle, helix, straight line and curve track when meeting the following conditions.
When
The time, namely main shaft and eccentric shaft in the same way, with when rotation speed, tool heads support movement locus is circle.
When
The time, namely main shaft and eccentric shaft in the same way, during different speed rotation, tool heads support movement locus is helix.
When
The time, when namely reverse, the same speed of main shaft and eccentric shaft was rotated, tool heads support movement locus was straight line.
When
The time, when namely reverse with eccentric shaft, the different speed of main shaft was rotated, tool heads support movement locus was curve.
Embodiment
The ore that distributes with same nature and grade carries out ball milling experiment, the experiment of centrifugal ore grinding, the experiment of jerk type swing comminution.
The Polodyakonov coefficient coefficient that is used for the copper mine stone of ore grinding experiment
f=15 ~ 18, water content is 1.5%, and the ore grinding amount is for being 100Kg, and the grade of ore distributes as shown in table 1.
Table 1: copper mine stone charging grade distributes
| Particle diameter (mm) | +25 | 25~20 | 20~15 | 15~10 | 10~4 | 4~1 | 1 ~ 60 order | 60 orders ~ 200 orders | ＜200 orders | Σ |
| Ratio (%) | 0 | 0.5 | 11.3 | 41.4 | 20.9 | 11.6 | 4.4 | 6.9 | 3.4 | 100 |
The ball milling experiment: its grade distribution and the average production capacity of ore grinding are as shown in table 2.
Table 2: copper mine stone ball milling experiment discharge grade distributes and average production capacity
Centrifugal ore grinding experiment: the average production capacity of its distribution and ore grinding is as shown in table 3.
Table 3: copper mine stone centrifugal mill experiment discharge grade distributes and average production capacity
The experiment of the utility model pulsation comminution: the average production capacity of its distribution and ore grinding is as shown in table 4.
Table 4: copper mine stone jerk type swing comminution experiment discharge grade distributes and average production capacity
Can find that from above experimental result the ore grinding usefulness of ball milling experiment is minimum; The marker size of centrifugal mill experiment is that-200 purpose ratios are minimum, but the production capacity maximum; The grade of pulsation swing comminution experiment distributes the most concentrated, and wherein-200 the purpose ratio is the highest.
Claims (3)
1. the selective material comminution of jerk type swing circle taper system is characterized in that: fixed awl (2) be fixed on the frame (7) fixed outer surface formation comminution chamber of boring inner surface and the mantle (3) of (2) after vibrator (1) links to each other; Main shaft (11) is installed on the frame (7), main motor (5) drive shaft (11); Eccentric shaft (12) is installed on the main shaft (11), forms angle between main shaft (11) and the eccentric shaft (12); Eccentric shaft motor (4) is connected with eccentric shaft (12), and eccentric shaft (12) lower end is connected with mantle (3); The feeder trough (9) of symmetrical distribution is set on the mantle (3); On mantle (3) working surface between the adjacent feeder trough (9), and on the work conical surface of fixed awl (2) and mantle (3), all inlay alloy block along short transverse, form prominent muscle (6).
2. the selective material comminution of a kind of jerk type swing circle according to claim 1 taper system, it is characterized in that: main shaft (11) becomes the eccentric swing structure of angle with eccentric shaft (12).
3. the selective material comminution of a kind of jerk type swing circle according to claim 1 taper system is characterized in that: mantle and the prominent muscle (6) of boring surely on the working surface are three-dimensional spiral shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070154 CN203108587U (en) | 2013-02-07 | 2013-02-07 | Pulsating swing cone-type selective material grinding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070154 CN203108587U (en) | 2013-02-07 | 2013-02-07 | Pulsating swing cone-type selective material grinding system |
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| Publication Number | Publication Date |
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| CN203108587U true CN203108587U (en) | 2013-08-07 |
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| CN 201320070154 Expired - Fee Related CN203108587U (en) | 2013-02-07 | 2013-02-07 | Pulsating swing cone-type selective material grinding system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071559A (en) * | 2013-02-07 | 2013-05-01 | 江西理工大学 | Pulsation-type swinging conical selective material grinding system |
| CN105214768A (en) * | 2015-09-22 | 2016-01-06 | 浙江美安普矿山机械股份有限公司 | Gyratory crusher |
| CN113245037A (en) * | 2021-07-15 | 2021-08-13 | 新沂市锡沂高新材料产业技术研究院有限公司 | Prevent ceramic reducing mechanism that splashes |
| RU2762875C1 (en) * | 2020-12-03 | 2021-12-23 | Федеральное казенное образовательное учреждение высшего образования "Кузбасский институт Федеральной службы исполнения наказаний" | Method for crushing brittle material in a cone crusher with stops |
| CN113926524A (en) * | 2020-06-29 | 2022-01-14 | 美卓奥图泰芬兰有限公司 | Critical liner segment, top shell, crusher, liner segment and method of loading and unloading the liner segment |
-
2013
- 2013-02-07 CN CN 201320070154 patent/CN203108587U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071559A (en) * | 2013-02-07 | 2013-05-01 | 江西理工大学 | Pulsation-type swinging conical selective material grinding system |
| CN105214768A (en) * | 2015-09-22 | 2016-01-06 | 浙江美安普矿山机械股份有限公司 | Gyratory crusher |
| CN105214768B (en) * | 2015-09-22 | 2020-08-07 | 浙江美安普矿山机械股份有限公司 | Cone crusher |
| CN113926524A (en) * | 2020-06-29 | 2022-01-14 | 美卓奥图泰芬兰有限公司 | Critical liner segment, top shell, crusher, liner segment and method of loading and unloading the liner segment |
| RU2762875C1 (en) * | 2020-12-03 | 2021-12-23 | Федеральное казенное образовательное учреждение высшего образования "Кузбасский институт Федеральной службы исполнения наказаний" | Method for crushing brittle material in a cone crusher with stops |
| CN113245037A (en) * | 2021-07-15 | 2021-08-13 | 新沂市锡沂高新材料产业技术研究院有限公司 | Prevent ceramic reducing mechanism that splashes |
| CN113245037B (en) * | 2021-07-15 | 2021-11-12 | 新沂市锡沂高新材料产业技术研究院有限公司 | Prevent ceramic reducing mechanism that splashes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20140207 |