CN1335203A

CN1335203A - Large-amplitude centrifugal vibrating grinder

Info

Publication number: CN1335203A
Application number: CN 01131298
Authority: CN
Inventors: 胡传东
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-09-06
Filing date: 2001-09-06
Publication date: 2002-02-13
Anticipated expiration: 2021-09-06
Also published as: CN1197655C

Abstract

The centrifugal vibrating grinder has medium balls to beat and crush material inside one material cylinder in centrifugal circular vibration. It has large amplitude of centrifugal circular vibration up to 50 mm, small vibrated mass, great beating force of the medium balls, and thus high grinding fineness, high production efficiency, long equipment service life and improved technological operation performance. It has one bearing rod assembly penetrating the eccentric shaft of the material cylinder and limiting the rotation motion of the material cylinder as well as lining arc board, special partition board, material feeding and discharging device, balanced arrangement, etc. The present invention is suitable for both large scale production in mine, building industry, etc. and small scale production.

Description

Large-amplitude centrifugal vibrating grinder

Technical field

The present invention relates to the materials crusher tool, especially the vibrating mill field.

Background technology

Along with the development of producing, the needs of mining, building materials industry particularly, the ball mill of former extensive use is replaced by all types of vibrating mill greatly, and that produces at present has an oscillating mill, turns rod mill etc.But all exist different shortcomings, as to turn rod mill be a barrel and do off-centre operation motion with the pedestal that turns more than three, peak swing is 15mm (unidirectional), equipment precision requirement is higher, manufacture difficulty is big, and mass of vibration is big, the eccentric phase mutual interference of very easy generation multiaxis, influence equipment life, and be limited to long rod and do abrasive media.Oscillating mill is generally double-barrel structure, and by two synchronous machine drives, barrel is supported by a plurality of air springs, by eccentric block exciting generation vibration, amplitude is≤6mm (unidirectional), because amplitude is little, can only adorn medium ball more, so equipment is big, it is also big to consume energy.

We have applied for " waiting a shaft vibration grinding machine " patent on April 8th, 1997, application number is 97203123.5, its major technique is characterized as the motor drives main crankshaft, pass the through hole that main crankshaft overlaps in barrel, the through hole of cover is with certain offset combination in main crankshaft and the barrel, barrel is made the amplitude circular vibration by the supporting of eccentric position and the promotion barrel of main crankshaft, the two ends of main crankshaft are by casing and bearing block support, cramp bar and two control device that roller is formed also are housed on the barrel, when the driven by motor main crankshaft rotates, because the control of the controlled device of barrel, barrel does not rotate, only make amplitude vibration around the eccentric position of main crankshaft, such structure mass of vibration is little, eliminated the eccentric interference phenomenon mutually of multiaxis of prior art, prolonged the life-span of equipment, reduced energy consumption, amplitude reaches 15mm (unidirectional), also need be done further to improve but will on producing, use on a large scale with perfect, as increase the barrel amplitude in when vibration, change dielectric rod into medium ball, increase and hit, abrasive power, to main crankshaft, barrel, the structure of balanced component etc. is done further to improve, from adding powerful utilization, increase the service life, improve the technological operation performance and make things convenient for equipment to install.

Summary of the invention

The technical problem to be solved in the present invention is, the structure of vibrating mill further met produce actual requirement, increases amplitude, and more compact structure further improves the intensity and the wearability of equipment, easy and simple to handle and good production technology performance.

The technical scheme that the present invention takes is as follows:

Large-amplitude centrifugal vibrating grinder is by motor, gear rotation system, the barrel assembly, passes the eccentric main axis assembly of cover 12 in the barrel, prevents the fulcrum bar component of barrel rotation, compositions such as input and output material system.The eccentric main axis assembly is by eccentric main axis 4, spindle eccentricity cover 9, and retainingf key 9-1 and set bolt 9-2 form, and fulcrum bar component is by high strength pole 25, strut fixation bolt 25-1, pole square key 29, roller 30, roller shaft 30-1 forms.

Barrel has two kinds of open type barrel and closed barrels, and the open type barrel is by barrel overcoat 16, whole in cover 12, barrel overcoat end socket 13, special dividing plate 15, medium ball 18, charging aperture, discharging opening is formed, the closed barrel is by closed cylindrical shell overcoat 46, material gateway 45, material gateway capping 45-1, medium ball 18, medium ball gateway capping 47 is formed.

The open type barrel has two kinds of monoblock type and three-section types, above-mentioned barrel is the monoblock type barrel, whole barrel only is made of barrel overcoat 16, the three-section type barrel divides three joints to form, two ends are three-section type headgear 19, the centre is overlapped in the three-section type, and cover is made up of loam cake 20 and lower cover 20-1 two parts in the three-section type, and lining arc plate composition is equipped with in three joint cover inboards.Lining arc plate is made by the high-strength abrasion-proof material, and is assembled by nine.

Special dividing plate 15 in the open type barrel, have a plurality of long and narrow holes, the width in hole is less than the diameter of medium ball, there are a plurality of connection boss in edge at special dividing plate, by the downlink connection bolt that connects the boss place two cover of special dividing plate and integral sleeve or three joint covers is linked together, have polylith assembled.

The charging aperture and the discharging opening of open type barrel separate, upper side at barrel one end has charging aperture, charging aperture links to each other with feed arrangement 14, downside at the other end of barrel has discharging opening, discharging opening links to each other with drawing mechanism 40, feed arrangement comprises feed well 31, feed arrangement turning cylinder 32 is equipped with in the junction of feed well and charging aperture, downside at the feed well feeding end is equipped with downward control parallel-plate 35, a control pole socket 37 is equipped with in the below of control parallel-plate, in a control both sides, pole socket upper end control pole 37-1 is housed, control roller 36 is housed on the control pole, the control parallel-plate is sliding-contact between roller.Drawing mechanism comprises blow tank 40-1, drawing mechanism turning cylinder 40-2 is equipped with in the junction of blow tank and discharging opening, discharging control wheel 39 is housed in the both sides of the discharge end of blow tank, discharging control frame 38 is housed below discharge end, discharging control wheel is sliding-contact in discharging control frame.

The material gateway 45 of closed barrel is a slotted hole paliform structure, the width of slotted hole is less than the medium ball diameter, the medial surface of material gateway capping 45-1 has corresponding a plurality of strip boss structure, when assembling every boss just in time match with the slotted hole of fence structure, become the endoporus cambered surface.

Barrel can be one or more on whole vibrating mill, for monotubular formula grinding machine, at eccentric main axis 4 balance weight is housed and promptly overlaps 43, the opposite side of eccentric direction is equipped with balance weight 42, balance weight is to be connected by set bolt with promptly overlapping, and the lateral surface of balance weight is equipped with the balancing weight 41 of adjusting weight.Making the assembled machine balance layout for the eccentric position of many of multi-cartridge grinding machine replies installs.

The present invention has following beneficial effect:

1) general structure of the present invention has adopted eccentric main axis, high-strength fulcrum bar component etc., mass of vibration is reduced, barrel becomes the eccentric circle vibration by rotatablely moving, structurally the eccentric position bearing of eccentric main axis promotes the barrel assembly and does the large-amplitude centrifugal circular vibration, the All Media ball is all skimmed to the tube inwall, concentrates work done at barrel wall place.Make unidirectional amplitude＞25mm, because amplitude is big, vibration centrifugal force is also big, has improved levigate ability and production efficiency, because the little energy consumption that reduced of mass of vibration.

2) because the big fulcrum bar component that adopted of amplitude, limited rotatablely moving of barrel, can only be along the bearing block center, amplitude vibration is made at eccentric position around eccentric main axis, medium ball group in the barrel makes centrifugal amplitude circular vibration along the barrel wall, each steel ball rotates around the axis of oneself, be that medium ball revolves round the sun along the tube inwall, do simultaneously rotation again, this motion state is ground for material grinding the advantage hitting power is provided, but also very big frictional force and shearing force is provided, and make material very fast by the grinding refinement, can grind 300 orders-1200 purpose superfine powder.

3) because the big hitting power of amplitude is big, the service life of in tube, having adopted high strength arc plate lining to improve barrel.

4) in the open type tube, adopted special dividing plate, in the closed tube, adopted slotted hole lattice-shaped inlet and outlet device, controlled medium ball and flown out and convenient not reusable useless ball is discharged automatically and improved the operating procedure performance from feed inlet and outlet.

5) on the open type barrel, adopt charging/discharging device.Because when barrel is made the large-amplitude centrifugal circular vibration, the charging aperture of barrel and discharging opening are also being made large-amplitude vibration, the turnover material is difficult to control, material can be dished out and dust flies upward, after installing charging/discharging device, change large-amplitude vibration into rectilinear motion, improved Environmental Protection Level and operability.

6) adaptability to production task is strong, can be according to the requirement of production task, multiple model of flexible design and specification, as can designing thin material tube, also can design many barrels, can design the grinding machine of the big open type of output to industrial enterprise, realize continuous feed and discharging continuously, can design the grinding machine of closed to test unit and small lot batch manufacture, regularly the loading and unloading material improves lapping degree.

Description of drawings

Fig. 1 is a large-amplitude centrifugal vibrating grinder open type type schematic diagram of the present invention.

Fig. 2 is the barrel structural representation of closed type.

Fig. 3 is the eccentric main axis structural representation.

Fig. 4 is the fulcrum bar component schematic diagram.

Fig. 5 is a cover loam cake schematic diagram in the three-section type barrel.

Fig. 6 is special dividing plate schematic diagram.

Fig. 7 open type type goes out the feed arrangement structural representation

Because the rotation of eccentric main axis, barrel is subjected to the control of high strength pole, can only do the strong shake of the upper and lower, left and right of certain offset along the alignment of shafts, and charging/discharging device is also along with shake, under the effect of control pole, can only make left and right sides back and forth movement, help input and output material.

Fig. 8 is a thin material tube balance device structure schematic diagram.

Fig. 9 lays particular stress on balance chart for vertical two barrel axles.

Figure 10 lays particular stress on balance chart for horizontal two barrel axles.

Figure 11 is that three barrel axles are laid particular stress on balance chart.

Figure 12 is that four barrel axles are laid particular stress on balance chart.

Component serial number is corresponding with title as follows among the figure:

1 is motor, and 2 is main gear shaft, and 3 is the eccentric main axis gear, 5 is the eccentric main axis flat key, and 4 is eccentric main axis, and 6 is gear housing, 7 is the casing bearing, and 8 is the bearing capping, and 9 is the bearing eccentric bushing, 9-1 is a retainingf key, and 9-2 is fixing taper pin, and 10 are envelope grade, 11 is eccentric position bearing, and 12 is cover in the monoblock type barrel, and 13 is the overcoat end socket, 14 is feed arrangement, 15 is special dividing plate, and 15-1 is for connecting boss, and 15-2 is special dividing plate slotted hole, 16 is monoblock type barrel overcoat, 17 is lining arc plate, and 18 is medium ball, and 19 is three-section type barrel headgear, 20 is to overlap loam cake in the three-section type barrel, 20-1 overlaps lower cover in the three-section type barrel, and 21 is the bearing block oil seal cover, and 22 is bearing block, 23 is bearing block bearing, 24 is the bearing block bonnet, and 25 is high strength pole, and 25-1 is the strut fixation bolt, 26 is the main gear shaft capping, 27 is the main gear shaft bearing, and 28 is the grinding machine base, and 29 is the pole square key, 30 is roller, 30-1 is a roller shaft, and 31 is feed well, and 32 is the feed arrangement turning cylinder, 33 is the eccentric high point of eccentric main axis, 34 is eccentric amplitude, and 34-1 is a direction of vibration, and 34-2 is a feedstock direction, 34-3 is the discharging direction, 35 are the control parallel-plate, and 36 are the control roller, and 37 are a control pole socket, 37-1 controls pole, 38 are discharging control frame, and 39 are discharging control wheel, and 40 is drawing mechanism, 40-1 is a blow tank, 40-2 is the drawing mechanism turning cylinder, and 41 is balancing weight, and 42 is balance weight, 43 are balance weight cover promptly, 44 is set bolt, and 45 is closed barrel material gateway, and 45-1 is the capping of material gateway, 46 is closed barrel overcoat, 47 is the capping of medium ball gateway, and 48 lay particular stress on the force direction that is subjected at position for eccentric main axis, and 49 is direction of rotation, 50 is transition gear, and 51 is barrel.

The specific embodiment

Be described in detail as follows with regard to embodiments of the present invention below in conjunction with accompanying drawing:

Embodiment 1, and open type large-amplitude centrifugal vibrating grinder, barrel can be one, also Can be a plurality of, each barrel be furnished with an eccentric main axis and set of gears rotation system, Whole grinding machine drives Motor Drive main gear shaft 2, transmission eccentric main axis by motor 1 Gear 3, eccentric main axis gear and eccentric main axis 4 rotate synchronously, the eccentric main axis eccentric part Bearing 11 promotes again monoblock type barrel or three-section type barrel, makes the large-amplitude centrifugal circular vibration. Because in the barrel side pole 25 is housed, square key 29, a lever system of bearing roller 30, Limit rotatablely moving of barrel, can only do upper and lower, left and right eccentric circle vibration, barrel Interior medium ball 18 is also made corresponding vibration, and medium ball is done again at a high speed certainly along the revolution of barrel wall Turn to, material grinds out superfines under the strike of medium ball. Material is from being located at barrel one The charging aperture of end enters in the tube, through grinding constantly by after the material that enters push barrel to The other end, and leave through discharging opening herein, constantly charging, constantly discharging forms continuously Produce. In order to prevent that medium ball from flying out and filter out useless wearing and tearing ball from charging aperture, advancing Two secondary special dividing plates 15 are equipped with in a material mouthful the inside. Because this grinding machine amplitude is big, the feed inlet and outlet shake Greatly, material flies upward, and is difficult to enter barrel, therefore in import department feed arrangement 14 has been installed, At discharging opening drawing mechanism 40 has been installed, multi-direction shake has been become straight-line oscillation, made material Enter in the stock chest smoothly after entering smoothly barrel or grinding. The open type grinding machine can be dry grinded Also can wet-milling, production efficiency height, grinding effect can reach the above fineness of 500 orders.

Embodiment 2, and closed type large-amplitude centrifugal vibrating grinder, barrel also can be one Or a plurality of, its structure is identical with embodiment 1 with motion principle, just the turnover on barrel The material mouth is same mouthful, regularly charging, regularly discharging. A grid on the top of barrel The shape structure go out charging aperture 45, capping 45-1 in material gateway is arranged, at barrel on the feed inlet and outlet The bottom is medium ball inlet port and capping 47, and two holes are all airtight when producing, so be one The closed barrel. Open earlier the capping of medium ball inlet port during use, pack into medium ball 18 close In the enclosed barrel 46, sealing is opened the capping into feeding mouth, the quantitative thing of packing into more then Material, sealing is positioned at pole 25 on the bearing roller 30 grinding of can starting shooting again. Treat Open again the capping of closed feed inlet and outlet after the milled, load onto the bag that connects material, pole is left the location, Barrel rotates 180 °, makes feed inlet and outlet downward, and material is drawn off.

More than two embodiment when making pure tube mill, must be flat by installation shown in Figure 8 The weighing apparatus device as makes many tube mills, can be according to Fig. 9---and Figure 12 carries out whole machine balancing cloth Put installation, at first make direction of rotation 49, make off-centre by a tooth of eccentric main axis gear 3 Main shaft is laid particular stress on the eccentric high point 33 that is subjected to force direction 48 at position, and is during installation that each is eccentric main The corresponding tooth of shaft gear so just can make each stressed opposite direction to install in the other direction, reaches Mutual balance, the vibration that the imbalance of grinding machine own is caused drop to floor level.

Claims

1, large-amplitude centrifugal vibrating grinder, have motor, gear rotation system, by the barrel assembly, pass eccentric main axis assembly, fulcrum bar component, the input and output material system of cover (12) in the barrel, it is characterized by described eccentric main axis assembly is made up of eccentric main axis (4), spindle eccentricity cover (9), retainingf key (9-1) and set bolt (9-2), described fulcrum bar component is by high strength pole (25), and strut fixation bolt (25-1) pole square key (29) roller (30) roller shaft (30-1) is formed.

2, large-amplitude centrifugal vibrating grinder according to claim 1 is characterized by described barrel assembly by open type cylindrical shell overcoat (16), whole interior cover (12), and overcoat end socket (13), special in the utmost point (15), medium ball (18), charging aperture, discharging opening is formed.

3, large-amplitude centrifugal vibrating grinder according to claim 1, it is characterized by described barrel assembly by closed cylindrical shell overcoat (46), material gateway (45), material gateway capping (45-1), medium ball (18), medium ball gateway capping (47) is formed.

4, large-amplitude centrifugal vibrating grinder according to claim 1 and 2, it is characterized by the open type cylindrical shell is made of monoblock type or three-section type, the monoblock type cylindrical shell only is made of cylindrical shell overcoat 16, the cylindrical shell that three-section type constitutes by two three-section type headgears (19), middlely overlap lower cover (20-1) in loam cake (20) and the three-section type for overlapping in the three-section type, lining arc plate (17) is formed.

5, large-amplitude centrifugal vibrating grinder according to claim 4 is characterized by lining arc plate and is made by the high-strength wearable material, by nine assembled, be contained in the three-section type outer casing inner wall three the joint positions.

6, large-amplitude centrifugal vibrating grinder according to claim 2, it is characterized by special dividing plate (15) and have a plurality of long and narrow holes, the width in hole is less than the diameter of medium ball, there are a plurality of connection boss in edge at special dividing plate, linked together every two of the utmost point and integral sleeve or three-section type overcoat cover special by the connecting bolt that connects the boss place, special dividing plate is combined into by polylith.

7, large-amplitude centrifugal vibrating grinder according to claim 1 and 2, the upper side that it is characterized by at barrel one end has charging aperture, charging aperture links to each other with feed arrangement (14), downside at the other end of barrel has discharging opening, discharging opening links to each other with drawing mechanism (40), feed arrangement includes charging poor (31), feed arrangement turning cylinder (32) is equipped with in the poor junction of charging aperture and charging, downside at the poor feeding end of charging is equipped with the parallel utmost point of downward control (35), a control pole socket (37) is equipped with in the below of control parallel-plate, control both sides, a pole socket upper end dress control pole (37-1), control pulley (36) is housed on the control pole, control pole is sliding-contact in the control pulley, drawing mechanism includes discharging poor (40-1), drawing mechanism turning cylinder (40-2) is equipped with in the poor junction with discharging opening of discharging, discharging control wheel (39) is equipped with in both sides at the poor discharge end of discharging, discharging control frame (38) is housed below discharge end, and discharging control wheel is sliding-contact in discharging control frame.

8, according to claim 1 or 3 described large-amplitude centrifugal vibrating grinders, the material gateway (45) that it is characterized by closed cylindrical shell (46) is a slotted hole lattice-shaped structure, the width of slotted hole is less than the medium ball diameter, the medial surface of material gateway capping (45-1) has corresponding a plurality of strip boss structure, when assembling every boss just in time match with the grid hole of material gateway.

9, large-amplitude centrifugal vibrating grinder according to claim 1, it can be one or more it is characterized by barrel, for monotubular formula grinding machine, at eccentric main axis (4) promptly cover (43) of balance weight is housed, the opposite side of eccentric direction is equipped with balance weight (42), and balance weight is to be connected by set bolt with promptly overlapping, and the balancing weight (41) of adjustment weight is housed at the lateral surface of balance weight, for the multi-cartridge grinding machine, many eccentric positions are made the assembled machine balance layout install.