CN206215919U - Alloy addition pair roller pulverizer - Google Patents

Abstract

The utility model discloses a kind of alloy addition pair roller pulverizer, it is related to reducing mechanism；Alloy addition pair roller pulverizer includes frame, motor, crushes structure and feed arrangement, and crushing structure includes being connected roll shaft and cracking cabin with gantry rotation, and drive device can drive roller shaft rotation；Roll shaft includes the first roll shaft, the second roll shaft and the 3rd roll shaft；Second roll shaft, the 3rd roll shaft are to rolling with the first roll shaft to rolling；The gap between gap, the second roll shaft and cracking cabin side wall between first roll shaft and the 3rd roll shaft and the gap between the first roll shaft and the 3rd roll shaft increase successively；Feed arrangement includes feed hopper, support, lubricating substance groove and bearing frame, and feed hopper is arranged on the top of the 3rd crushing slit, and lubricating substance groove and bearing frame are each attached on support, and one end of lubricating substance groove is connected with feed hopper.The pulverizer is provided with multiple mutually to the roll shaft for rolling, and is provided with Lubricating substance device, therefore can improve crush efficiency, mitigates the burden of workman.

Description

Alloy addition pair roller pulverizer

Technical field

The utility model is related to reducing mechanism, and in particular to alloy addition pair roller pulverizer.

Background technology

As aluminium processing and aluminium alloy industry are continued to develop, the development of aluminium alloy is listed in the technology given priority to, alloy Change is an important ring in aluminum alloy production process flow.The conventional alloying element of aluminium alloy has：Silicon, iron, copper, titanium, magnesium, chromium, Nickel, zinc, vanadium etc..Some low melting points or the big alloying element of solubility such as magnesium, copper can be directly added into aluminum melt, and big SECTIONMelting points alloying element high such as iron, nickel, titanium, chromium etc., due to too big with the fusing point gap of aluminium, if by iron, nickel, titanium, chromium etc. Metal molten, then temperature of smelting furnace need to reach 1000 degree or so, the gasification of aluminum melt, and the aluminium liquid pole in smelting furnace can be so caused again Oxygen, hydrogen gas and water easily with surrounding etc. chemically react, and formation is difficult to the impurity for removing, and causes the deviation of aluminium alloy capability It is excessive, alloy property requirement is not met, so as to cause alloy to be scrapped；In addition, such as alloying element need to be melted at 1000 degree, because rising Energy consumption needed for temperature is then more, and the heating-up time is longer；In order to avoid above-mentioned deficiency, people reduce conjunction by the way of intermediate alloy Required temperature during gold element melting process.

Above-mentioned intermediate alloy people are referred to as metallic addition, and metallic addition is specifically by a certain proportion of alloying element After metal dust, aluminium powder, cosolvent powder, adhesive powder mixing, melting is obtained in putting into aluminum melt.Therefore, in metal Various reducing mechanisms can be related in the workshop of additive, wherein mainly including jaw crusher, pair roller pulverizer.

Metal crush detailed process be：Just crushing is first carried out to raw material metal using jaw crusher；Then adopt again Further crushed with pair roller pulverizer, so as to obtain qualified metal dust.Raw material metal is through jaw crusher After crushing, because jaw crusher is by impacting raw material, making raw material fragmentation, therefore jaw crusher be adapted to crush volume Larger raw material metal, so as to obtain granular secondary raw material.Pair roller pulverizer is by two roll shafts to secondary raw material Extruded, ground so as to metal dust can be obtained；Control of the existing pair roller pulverizer to metal powder granulates size, it is main If controlled by the gap length between roll shaft, but the secondary raw material processed due to jaw crusher difference compared with Greatly, some secondary raw material particles are excessive, therefore pair roller pulverizer cannot be extruded it, and can only constantly grind its table Face, makes its size to be extruded it after tapering into, therefore existing pair roller pulverizer processing efficiency is relatively low.In addition One of roll shaft of existing pair roller pulverizer is connected in frame by the way that spring is nonrigid, i.e., the roll shaft is being rotated While, can also according to secondary raw material roll shaft produce pressure adjust its position relative to another roll shaft, i.e. two roll shafts it Between gap not fixed value so that secondary raw material can be in the easier gap being rolled between two roll shafts, so as to improve Crush efficiency, hence in so that the size difference of the metal powder granulates of output is larger.

Feed hopper is provided with above above-mentioned pair roller pulverizer roll shaft, during using pair roller pulverizer crushing metal, Existing feeding manner is directly to being fed intake in feed hopper；For improve production efficiency, raw metal is transported using driving, but by After raw metal is mounted on driving above, can rock everywhere, therefore after raw metal lifting is to feed hopper top, in order to prevent Raw metal is spread to outside feed hopper, it is necessary to which workman spends larger strength to be fixed, therefore causes larger work to workman Bear.Further, since after piling up excessive raw metal in feed hopper, the situation that feed hopper is blocked, therefore gold often occurs Category raw material can not be poured into disposably in feed hopper, but to slowly being fed intake in feed hopper, therefore can further increase workman Work load.

Utility model content

The purpose of this utility model is to provide a kind of alloy addition pair roller pulverizer, to improve to metallic particles Crush efficiency, improve metal powder granulates uniformity, while mitigate workman's working strength.

To reach above-mentioned purpose, base case of the present utility model is as follows：

Alloy addition pair roller pulverizer includes frame, motor, crushes structure and feed arrangement, the crushing Structure includes cracking cabin and the roll shaft being arranged in cracking cabin, and the cracking cabin is fixed in frame, and roll shaft connects with gantry rotation Connect, the drive device can drive roller shaft rotation；The roll shaft includes the first roll shaft, the second roll shaft and the 3rd roll shaft；Described , to rolling, first roll shaft and the 3rd roll shaft are also to rolling for one roll shaft and the second roll shaft；Between first roll shaft and the 3rd roll shaft Gap crush slit for first, slit is crushed in gap between second roll shaft and cracking cabin side wall for second, described the Gap between one roll shaft and the 3rd roll shaft is the 3rd crushing slit, and the first gap for crushing slit crushes narrow more than second Slit is crushed more than the 3rd in seam, the second gap for crushing slit；First roll shaft, between the 3rd roll shaft and cracking cabin side wall Gap is equal to or less than the 3rd and crushes slit；The feed arrangement include feed hopper, support, lubricating substance groove and bearing frame, it is described enter Hopper is arranged on the top of the 3rd crushing slit, and the support is fixed on ground, and lubricating substance groove and bearing frame are each attached on support, And lubricating substance groove is obliquely installed, one end of lubricating substance groove is connected with feed hopper, and the bearing frame is located at the top of the lubricating substance groove other end.

The principle of this programme alloy addition pair roller pulverizer is：

Using this programme feed arrangement feeding when, need to driving transport secondary raw material, when secondary raw material be transported to it is specified Behind position, secondary raw material can be placed on bearing frame, therefore the stabilization of secondary raw material is kept without workman.Additionally, due to lubricating substance Groove is obliquely installed, therefore secondary raw material will be flowed with certain speed in lubricating substance groove, thereby may be ensured that two in feed hopper Secondary raw material will not be accumulated excessively, and cause feed hopper to block, so secondary raw material can be disposably poured in lubricating substance groove.

After secondary raw material puts into cracking cabin by feed hopper, secondary raw material will be deposited in the second crushing slit top, greatly Small moderate secondary raw material will pass quickly through the second crushing slit, and larger secondary raw material is due to can not be quickly through the second powder Broken slit, therefore the first crushing slit will be rolled into by the second roll shaft, can quickly be crushed.When secondary raw material drops When crushing slit to the 3rd, will become evenly, and be not in excessive secondary raw material, therefore can quickly by the first roll shaft Crushed with the 3rd roll shaft, then slit is crushed by the 3rd, so as to produce qualified metal dust.

This programme produce beneficial effect be：

First, can ensure that feed hopper will not be blocked after lubricating substance groove is set so that secondary raw material can disposably be poured over lubricating substance In groove, and secondary raw material can be placed on bearing frame, then can mitigate the working strength of workman；

2nd, because the first gap for crushing slit is larger, therefore larger-size secondary raw material can quickly by the first powder Broken slit is involved in, and it is further crushed, then the difference in size when secondary raw material drops to the 3rd crushing slit top It is different smaller, can be quickly involved in by the 3rd crushing slit, the purpose for improving crush efficiency can reach with this.

3rd, because the relative position of the first roll shaft and the axis of the 3rd roll shaft is constant, i.e., the 3rd crushes the gap of slit It is fixed, therefore the size of the metal powder granulates by being formed after the 3rd crushing slit will evenly.

Preferred scheme one：Used as the further optimization to base case, being provided with the frame can be along housing slide Mounting blocks, set tensioning spring between the frame and mounting blocks, second roll shaft is rotatably connected on mounting blocks.Due to secondary The size of raw material does not know more, and this preferred scheme can allow the gap of the first crushing slit produce certain change, from And can further increase the speed that is involved in of large-sized secondary raw material, further improve crush efficiency.

Preferred scheme two：As the further optimization to base case, it is equipped with first roll shaft and the second roll shaft Belt pulley, and the first roll shaft and the 3rd roll shaft are provided with intermeshing to hobbing machine, the motor is driven by V belt translation Action roller shaft is rotated.Belt transmission torque is big, and stable drive；First roll shaft and the 3rd roll shaft realized to rolling by hobbing machine, Structure can be simplified；Because the second roll shaft can produce horizontal movement, therefore the second roll shaft directly by driving while rotating Motor drives.

Preferred scheme three：Used as the further optimization to base case, the roll shaft includes rotating shaft and crushing block, described turn Spline is provided with axle, in a ring, rotating shaft upper spline is connected with some crushing blocks to the crushing block, and adjacent crushing block passes through It is bolted together.In crushing metal particle, roll shaft can also form certain damage, after roll shaft is damaged, roll shaft it Between gap can also change, so as to influence the quality of metal dust；Therefore it is necessary to change roll shaft after roll shaft is badly damaged, and Changing whole roll shaft can increase cost, and this preferred scheme can indirectly change the purpose of roll shaft by changing crushing block to reach, So as to reduce maintenance cost.Crushing block is bolted the stability that can improve roll shaft together, reduces vibrations.

Preferred scheme four：As the further optimization to base case, on the roll shaft, the diameter of adjacent crushing block is not Together, it is mutually identical to the gap between crushing block corresponding on the roll shaft of rolling.This preferred scheme causes roll shaft in ladder shaft-like, Therefore the roll shaft surface of relative rolling linear velocity everywhere is differed, so that grinding effect of the roll shaft to secondary raw material can be strengthened, Roll shaft surface can also form fin simultaneously, and enhancing improves the quality of metal dust to the squeezing effect of secondary raw material.

Preferred scheme five：Used as the further optimization to base case, the side wall of the cracking cabin is provided with air port, described The blower fan in connection air port is provided with outside cracking cabin, and slit is crushed in the air port towards first；The feed arrangement also includes inclining The feed cylinder for tiltedly setting, the feed hopper and lubricating substance groove are connected by feed cylinder, and some settings straggly are provided with the feed cylinder Material spilling hole.In this preferred scheme, blower fan will strengthen the flowing of the air on roll shaft surface by air port, prevent metal dust from gluing It is connected in roll shaft surface；And the material spilling hole of some settings straggly is provided with feed cylinder, therefore feed cylinder has choke effect, so that can To prevent air-blast device from being blown upwards by feed cylinder.

Preferred scheme six：Used as the further optimization to base case, the lubricating substance groove is provided with tune with feed hopper connection end Section plate, lubricating substance groove inwall is provided with chute, and adjustable plate is in chute, and lubricating substance groove is provided with top pressure on the wall of adjustable plate side Trip bolt.When the alloy addition is in different working conditions with pair roller pulverizer, feed hopper is between roll shaft Discharging speed can also change, therefore in order to prevent the raw metal excess accumulation in feed hopper, it is necessary to the discharging of feed hopper Speed is consistent to the charging rate of feed hopper with lubricating substance groove；In this preferred scheme, lubricating substance can be changed by adjusting adjustable plate The opening of groove, thus it is possible to vary charging rate from lubricating substance groove to feed hopper, to prevent the raw metal excess accumulation in feed hopper.

Preferred scheme seven：Used as the further optimization to base case, the support lower section is provided with cat ladder；Due to pair roller type The feed hopper of pulverizer is arranged on top, therefore support has certain height from the ground, and workman is needed on support to gold Category raw material operated, therefore set cat ladder can make workman climb up support be more convenient.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment；

Fig. 2 is the profile of roll shaft in the utility model embodiment.

Specific embodiment

The utility model is described in further detail below by specific embodiment：

Reference in Figure of description includes：Frame 10, cracking cabin 20, feed hopper 30, tensioning spring 40, the first roller Axle 50, the second roll shaft 60, the 3rd roll shaft 70, blower fan 80, crushing block 90, first crush slit 51, second and crush slit the 61, the 3rd Crush slit 71, air port 81, to hobbing machine 91, belt pulley 92, feed cylinder 31, lubricating substance groove 33, bearing frame 35, support 36, cat ladder 37th, material spilling hole 32, adjustable plate 34.

As shown in figure 1, alloy addition pair roller pulverizer includes frame 10, motor, crushes structure and charging Device, crushing structure includes cracking cabin 20 and the roll shaft being arranged in cracking cabin 20, and cracking cabin 20 is fixed in frame 10, roll shaft Rotated with frame 10 and be connected, drive device can drive roller shaft rotation.Roll shaft includes the first roll shaft 50, the second roll shaft 60 and the 3rd roller Axle 70.The two ends of the first roll shaft 50 and the 3rd roll shaft 70 rotate with frame 10 and are connected, and are provided with frame 10 and are slided with frame 10 Tensioning spring 40 is set between the mounting blocks of connection, and frame 10 and mounting blocks, the second roll shaft 60 is rotatably connected on mounting blocks.The The 60 pairs of rollings of one roll shaft 50 and the second roll shaft, the first roll shaft 50 and the 3rd roll shaft 70 are also to rolling.As shown in figure 1, the first roll shaft 50 with Gap between 3rd roll shaft 70 is the first crushing slit 51, and the gap between the second roll shaft 60 and the side wall of cracking cabin 20 is second Slit 61 is crushed, slit 71 is crushed in the gap between the first roll shaft 50 and the 3rd roll shaft 70 for the 3rd, and first crushes slit 51 Gap more than second crush slit 61, second crush slit 61 gap more than the 3rd crush slit 71；First roll shaft 50, Slit 71 is crushed less than the 3rd in gap between three roll shafts 70 and the side wall of cracking cabin 20.

As shown in figure 1, feed arrangement includes feed hopper 30, support 36, lubricating substance groove 33 and bearing frame 35；Support 36 is by ground Foot bolt is fixed on the ground, and lubricating substance groove 33 and bearing frame 35 are welded on support 36, and lubricating substance groove 33 is obliquely installed, and lubricating substance The angle of inclination of groove 33 is 15o.One end of lubricating substance groove 33 is connected by feed cylinder 31 with the upper end of feed hopper 30, and feed cylinder 31 is same It is obliquely installed, and the angle of inclination of feed cylinder 31 is 60o；And bearing frame 35 is arranged on the top of the other end of lubricating substance groove 33.

During using the alloy addition of the present embodiment with pair roller pulverizer crushing metal particle, need to transport secondary with driving Raw material, secondary raw material is placed on bearing frame 35, and then secondary raw material is poured in lubricating substance groove 33；Because lubricating substance groove 33 inclines Tiltedly set, therefore secondary raw material is by the flowing in lubricating substance groove 33 with certain speed, and feed hopper is entered into by feed cylinder 31 30.After secondary raw material puts into cracking cabin 20 by feed hopper 30, secondary raw material will be deposited in the top of the second crushing slit 61, greatly Small moderate secondary raw material will pass quickly through the second crushing slit 61, and larger secondary raw material is due to can not be quickly through second Slit 61 is crushed, therefore the first crushing slit 51 will be rolled into by the second roll shaft 60, can quickly be crushed.When secondary When raw material drops to the 3rd crushing slit 71, will become evenly, and be not in excessive secondary raw material, therefore can be quick Crushed by the first roll shaft 50 and the 3rd roll shaft 70, then slit 71 is crushed by the 3rd, so as to produce qualified metal dust. When secondary raw material it is oversized when, secondary raw material to the pressure of the first roll shaft 50 and the second roll shaft 60 also will increase, therefore In the presence of tensioning spring 40, the gap of the first crushing slit 51 can produce certain change, so as to can further increase big The secondary raw material of size is involved in speed, further improves crush efficiency.

As shown in Fig. 2 roll shaft includes rotating shaft and crushing block 90, be provided with spline in rotating shaft, crushing block 90 in a ring, rotating shaft Upper spline is connected with some crushing blocks 90, and adjacent crushing block 90 is bolted together, with this by with changing crushing Block 90 can reach the purpose for changing roll shaft indirectly, so as to reduce maintenance cost.In order to improve crush efficiency, the periphery of crushing block 90 It is additionally provided with some double wedges.The diameter of the crushing block 90 on same roll shaft is different, and mutually to corresponding on the roll shaft of rolling Gap between crushing block 90 is identical；Therefore the roll shaft surface of relative rolling linear velocity everywhere is differed, so as to roller can be strengthened To the grinding effect of secondary raw material, while roll shaft surface can also form fin, enhancing is improved axle to the squeezing effect of secondary raw material The quality of metal dust.

As shown in figure 1, the side wall of cracking cabin 20 is provided with outside air port 81, cracking cabin 20 blower fan for being provided with connection air port 81 80, and slit 51 is crushed in air port 81 towards first；Start blower fan 80, blower fan 80 will by air port 81 to air blast in cracking cabin 20, Strengthen the flowing of the air on roll shaft surface, prevent metal dust from sticking in roll shaft surface.In order to prevent blower fan 80 from passing through feed cylinder 31 air-supplies upwards, are provided with the material spilling hole 32 of some settings straggly in feed cylinder 31；Due to the setting straggly of material spilling hole 32, therefore ought send When air flow is very fast in barrel 31, by with larger resistance, blown upwards so as to prevent air-blast device from passing through feed cylinder 31.

As shown in figure 1, lubricating substance groove 33 is provided with adjustable plate 34 with the connection end of feed cylinder 31, and the inwall of lubricating substance groove 33 is provided with cunning Groove, adjustable plate 34 is in chute, and lubricating substance groove 33 is provided with trip bolt of the top pressure on the side wall of adjustable plate 34.By regulation Adjustable plate 34 can change the opening of lubricating substance groove 33, so as to change charging rate of the lubricating substance groove 33 to feed hopper 30.

In the present embodiment, motor is rotated by V belt translation drive roller shaft；Its concrete structure is, the He of the first roll shaft 50 One section of second roll shaft 60 is welded with belt pulley 92, and belt pulley 92 is also set on the output shaft of motor, and belt is wrapped in correspondence Belt pulley 92 on, when motor is rotated, then the first roll shaft 50 and the second roll shaft 60 can be driven to rotate.In addition the first roll shaft 50 and the upper spline of the 3rd roll shaft 70 be connected with intermeshing to hobbing machine 91, the 3rd roller will be directly driven with this first roll shaft 50 Axle 70 is rotated, so as to simplify driving structure.

Further, since the feed hopper 30 of pair roller pulverizer is arranged on top, therefore support 36 from the ground with certain Highly, and workman need secondary raw material is operated on support 36；Therefore, as shown in figure 1, the lower section of support 36 is provided with and climbs Ladder 37, so as to workman climbs up support 36 be more convenient.

The above is only embodiment of the present utility model, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme Excessive description.It should be pointed out that for a person skilled in the art, on the premise of the utility model structure is not departed from, also Some deformations and improvement can be made, these should also be considered as protection domain of the present utility model, these are all without this reality of influence With the effect and practical applicability of new implementation.This application claims protection domain should be with the content of its claim Standard, the specific embodiment in specification etc. record the content that can be used for explaining claim.

Claims (8)

1. a kind of alloy addition pair roller pulverizer, including frame, motor, crushing structure and feed arrangement, it is described Crushing structure includes cracking cabin and the roll shaft being arranged in cracking cabin, and the cracking cabin is fixed in frame, and roll shaft turns with frame Dynamic connection, the drive device can drive roller shaft rotation；Characterized in that, the roll shaft include the first roll shaft, the second roll shaft and 3rd roll shaft；, to rolling, first roll shaft and the 3rd roll shaft are also to rolling for first roll shaft and the second roll shaft；First roll shaft It is the first crushing slit with the gap between the 3rd roll shaft, the gap between second roll shaft and cracking cabin side wall is the second powder Broken slit, the gap between first roll shaft and the 3rd roll shaft is the 3rd crushing slit, and the gap of the first crushing slit is big Slit is crushed in second, slit is crushed in the second gap for crushing slit more than the 3rd；First roll shaft, the 3rd roll shaft with it is broken Gap between the wall of storehouse side is equal to or less than the 3rd and crushes slit；The feed arrangement includes feed hopper, support, lubricating substance groove and holds Weight frame, the feed hopper is arranged on the top of the 3rd crushing slit, and the support is fixed on ground, and lubricating substance groove and bearing frame are solid It is scheduled on support, and lubricating substance groove is obliquely installed, one end of lubricating substance groove is connected with feed hopper, and it is another that the bearing frame is located at lubricating substance groove The top at end.

2. alloy addition pair roller pulverizer according to claim 1, it is characterised in that be provided with the frame Tensioning spring can be set between the frame and mounting blocks along the mounting blocks of housing slide, second roll shaft is rotatably connected on peace On dress block.

3. alloy addition pair roller pulverizer according to claim 2, it is characterised in that first roll shaft and Belt pulley is equipped with two roll shafts, and the first roll shaft and the 3rd roll shaft are provided with intermeshing to hobbing machine, the driving electricity Machine is rotated by V belt translation drive roller shaft.

4. alloy addition pair roller pulverizer according to claim 1, it is characterised in that the roll shaft includes rotating shaft And crushing block, spline is provided with the rotating shaft, in a ring, rotating shaft upper spline is connected with some crushing blocks to the crushing block, and Adjacent crushing block is bolted together.

5. alloy addition pair roller pulverizer according to claim 4, it is characterised in that adjacent on the roll shaft The diameter of crushing block is different, mutually identical to the gap between crushing block corresponding on the roll shaft of rolling.

6. alloy addition pair roller pulverizer according to claim 1, it is characterised in that the side wall of the cracking cabin Air port is provided with, the blower fan in connection air port is provided with outside the cracking cabin, and slit is crushed in the air port towards first；It is described enter Material device also includes the feed cylinder being obliquely installed, and the feed hopper and lubricating substance groove are connected by feed cylinder, set in the feed cylinder There is the material spilling hole of some settings straggly.

7. the alloy addition pair roller pulverizer according to claim 1 or 6, it is characterised in that the lubricating substance groove with Feed hopper connection end is provided with adjustable plate, and lubricating substance groove inwall is provided with chute, and adjustable plate is in chute, and lubricating substance groove is provided with top It is pressed in the trip bolt on the wall of adjustable plate side.

8. alloy addition pair roller pulverizer according to claim 1, it is characterised in that the support lower section is provided with Cat ladder.