CN206605831U - The mould of roller briquetting machine - Google Patents
The mould of roller briquetting machine Download PDFInfo
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- CN206605831U CN206605831U CN201720178230.6U CN201720178230U CN206605831U CN 206605831 U CN206605831 U CN 206605831U CN 201720178230 U CN201720178230 U CN 201720178230U CN 206605831 U CN206605831 U CN 206605831U
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- mould
- bowl groove
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Abstract
The utility model discloses a kind of mould of roller briquetting machine, including:Pre- rolling device, shaped device and punching assembly, pre- rolling device include two the first roller sets, and the outer surface of each first roller set is provided with least one first ball bowl groove;Shaped device is located at the lower section of pre- rolling device, shaped device includes two the second roller sets, the outer surface of two the second roller sets is circumscribed, the outer surface that each second roller covers is provided with least one second ball bowl groove and at least one groove, and groove is through the axial two ends of the second roller set and passes through the second ball bowl groove;Punching assembly includes guide rod and transmission device, and transmission device is connected with guide rod, and central axis of the guide rod along through hole extends, and transmission device is moved for drive leader the first position through through hole and the second place retracted from through hole.According to the mould of roller briquetting machine of the present utility model, the global density and yield rate of pelletizing are improved, and improves the heat conductivility of pelletizing, air guide performance and structural strength.
Description
Technical field
The utility model is related to forming processing technology field, more particularly, to a kind of mould of roller briquetting machine.
Background technology
Roller briquetting machine is the conventional former that metallurgy industry produces pelletizing, uses thing during roller briquetting machine pressure ball
Material actual density can generally increase 1~3 times, to reach some strength requirement.
However, the pelletizing that roller briquetting machine is produced in correlation technique is typically to be molded direct pressing of material, ball
Group is internal also to be difficult to compacting, and the global density and insufficient strength of ball block are high, and using effect is undesirable.And the thermal conductivity of pelletizing and lead
Gas is poor, and higher roasting or reduction temperature and longer reaction time are needed during follow-up use, is unfavorable for energy-conservation and subtracts
Row and reduction production cost.Particularly carbon-burdened pellet, with carbon can cause pelletizing thermal conductivity factor to reduce due to interior, and heat is to pelletizing
Internal conducting power is deteriorated, and the reaction temperature of different carbon raw materials and time are different, it is necessary to formulate suitable oxidation roasting
Temperature increasing schedule is burnt, it is otherwise interior to produce a large amount of gases in a short time with carbon and be difficult to escape, easily cause pelletizing and ftracture, intensity decreases etc.
Problem.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, of the present utility model
One purpose is to propose a kind of mould of roller briquetting machine, and pelletizing prepared by the mould of the roller briquetting machine leads device
Property and thermal conductivity is good and density is big, intensity is high.
According to the mould of roller briquetting machine of the present utility model, including:Pre- rolling device, the pre- rolling device bag
Two the first roller sets are included, the outer surface of two the first roller sets is circumscribed, the outer surface of each first roller set is provided with extremely
Few first ball bowl groove, two the first roller sets can constant speed rotation and during two the first rollers set rotations in opposite directions, wherein
Corresponding described first that first ball bowl groove that one first roller is put is put with another described first roller
The spacer of closure is limited between ball bowl groove;Shaped device, the shaped device is located at the lower section of the pre- rolling device, institute
Stating shaped device includes two the second roller sets, and the outer surface of two the second roller sets is circumscribed, outside each second roller set
The axial two ends that second roller covers are run through in surface provided with least one second ball bowl groove and at least one groove, the groove
And through second ball bowl groove, two the second roller sets can constant speed rotation and during two the second rollers set rotations in opposite directions,
It is corresponding described that second ball that one of them described second roller is put bowl groove and the second roller another described are put
Limit the material cavity of closure between second ball bowl groove, the groove that one of them described second roller is put with described in another
Through hole is limited between the corresponding groove that second roller is put;And punching assembly, the punching assembly include guide rod
And transmission device, the transmission device is connected with the guide rod, central axis extension of the guide rod along the through hole, described to pass
Dynamic device be used to driving the guide rod the first position through the through hole and the second place retracted from the through hole it
Between move.
According to the mould of roller briquetting machine of the present utility model, first pass through pre- rolling device and shape is compressed to material
As pre- pelletizing, the density of material is tentatively improved, the global density and yield rate of follow-up pelletizing is increased, improves pelletizing
Production efficiency, and improve the charge of unit volume in the stove using the pelletizing;Matched somebody with somebody again by punching assembly with shaped device
Close and the compression of pre- pelletizing, processing are formed as into pelletizing with holes so that the pelletizing of preparation has bigger surface area, and heat conduction, leads
Gas performance more preferably, improves the heat conduction efficiency of pellet roasting process, shortens roasting time, reduce roasting burnup, simultaneously
Also transmittability of the Primordial Qi inside pelletizing is improved, the recovery time is shortened, improves the production of the shaft furnace using the pelletizing
Ability.
In addition, can also have technology additional as follows special according to the mould of roller briquetting machine of the present utility model
Levy:
According to some embodiments of the present utility model, the guide rod includes:Guide body, one end of the guide body with
The transmission device is connected;And buffer part, the buffer part is connected to the other end of the guide body, and is led away from described
On the direction of bar body, the cross-sectional area of the buffer part is gradually reduced.
Specifically, the buffer part is formed as cone or elliptic conic shape.
According to some embodiments of the present utility model, the bowl face of the excessively described second ball bowl groove of central axis of the through hole
Center.
Alternatively, second ball bowl groove that each second roller is put is multiple, and multiple second ball bowl grooves are in
A row or multi-row is distributed in second roller and put.
According to some embodiments of the present utility model, the minimum spacing between the two neighboring second ball bowl groove is L, institute
State L satisfactions:1mm≤L≤2mm.
Alternatively, the first ball bowl flute profile turns into hemispherical.
Specifically, a diameter of D of the first ball bowl groove1, the D1Meet:4mm≤D1≤8mm。
According to some embodiments of the present utility model, the depth of the groove is t, and the depth of the second ball bowl groove is T,
Described t, T are met:0.2T≤t≤0.6T.
Alternatively, the depth T of the second ball bowl groove is met:4mm≤T≤15mm.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein:
Fig. 1 is the structural representation of the mould of the roller briquetting machine according to the utility model embodiment;
Fig. 2 is the structural representation of the first roller set of the mould of the roller briquetting machine according to the utility model embodiment
Figure;
Fig. 3 is the cut-away view of the first roller set shown in Fig. 2;
Fig. 4 is another structural representation of the first roller set shown in Fig. 2;
Fig. 5 is the structural representation of the second roller set of the mould for the roller briquetting machine that example is applied according to the utility model;
Fig. 6 is the cut-away view of the second roller set shown in Fig. 5;
Fig. 7 is another structural representation of the second roller set shown in Fig. 5;
Fig. 8 is the structural representation of the guide rod according to the utility model embodiment;
Fig. 9 is the cut-away view of the line A-A along along Figure 11;
Figure 10 is the structure of the second roller set of the mould of the roller briquetting machine according to the utility model second embodiment
Schematic diagram;
Figure 11 is the cut-away view of the second roller set shown in Figure 10;
Figure 12 is another structural representation of the second roller set shown in Figure 10;
Figure 13 is the structure of the second roller set of the mould of the roller briquetting machine according to the utility model 3rd embodiment
Schematic diagram;
Figure 14 is the cut-away view of the second roller set shown in Figure 13;
Figure 15 is another structural representation of the second roller set shown in Figure 13.
Reference:
Mould 100, the first roller set 101, the first ball bowl groove 102, the first roller core 103,
Second roller set 1, the second ball bowl groove 11, groove 12, through hole 13,
Second roller core 2,
Guide rod 3, guide body 31, buffer part 32.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
The orientation or position of the instruction such as degree ", " thickness ", " on ", " under ", top ", " bottom ", " interior ", " outer ", " axial direction ", " radial direction ", " circumference "
It is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplify description to put relation, and
It is not instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.In addition, term " first ", " second " are only used for describing purpose, without being understood that
To indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
One or more this feature can be expressed or be implicitly included to the feature of " second ".In description of the present utility model,
Unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not direct contact but logical that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or only
Represent that fisrt feature level height is less than second feature.
The mould 100 of roller briquetting machine according to the utility model embodiment is described below with reference to Fig. 1-Figure 15.Its
In, the mould 100 of roller briquetting machine can be used for preparing gas-based shaft kiln high response acid pellet, and pelletizing can be used for
Prepare the raw material that gas-based shaft kiln produces DRI.
As shown in figure 1, according to the mould 100 of roller briquetting machine of the present utility model, including:Pre- rolling device, into
Type device and punching assembly.
Reference picture 1, pre- rolling device includes two the first roller sets 101, and the outer surface of two the first roller sets 101 is circumscribed, often
The outer surface of individual first roller set 101 is provided with least one first ball bowl groove 102.First ball bowl groove 102 can for one or
It is multiple.For example, in the figure 2 example, the first ball bowl groove 102 is multiple, and multiple first balls bowl groove 102 is distributed in the in multiple rows of
On the outer surface of one roller set 101, it often ranked first ball bowl groove 102 and be arranged at intervals in the axial direction of the first roller set 101.
Two the first rollers set 101 can constant speed rotation and during two the first rollers 101 rotations of set, one of them first roller set in opposite directions
Limited between corresponding the first ball bowl groove 102 on the first ball bowl groove 102 and another first roller set 101 on 101
The spacer of closure.
Wherein, the first roller set 101 can be assemblied in hot charge practice on the first roller core 103, and is fixed with the first key pin.First
Roller set 101 can be prepared using nickel-chrome alloy steel, chromium cast iron contained or manganese steel, and milling on 101 outer surface is then covered in the first roller
Go out high-precision first ball bowl groove 102, it is also possible to which the method one-shot forming such as hot investment casting produces the of the ball of band first bowl groove 102
One roller set 101.
Shaped device is located at the lower section of pre- rolling device, alternatively, shaped device can be located at pre- rolling device just under
Side, as shown in Figure 1.Thus, the pre- pelletizing through pre- rolling device compression forming can be as the raw material for preparing pelletizing, can after the demoulding
To drop down onto second-compressed carried out on shaped device under directly.
Shaped device includes two the second roller sets 1, and reference picture 1 simultaneously combines Fig. 5-Fig. 7, the outer surface of two the second roller sets 1
Circumscribed, the outer surface of each second roller set 1 is provided with least one second ball bowl groove 11 and at least one groove 12.Wherein,
Two balls bowl groove 11 can be one or more, and groove 12 can be one or more.
Specifically, the second roller set 1 can be assemblied in hot charge practice on the second roller core 2, and is fixed with the second key pin.Second roller
Set 1 can be prepared using nickel-chrome alloy steel, chromium cast iron contained or manganese steel, be milled out on the outer surface that 1 is then covered in the second roller high-precision
The second ball bowl groove 11 of degree, it is also possible to which the method one-shot forming such as hot investment casting produces the second roller set 1 of the ball of band second bowl groove 11.
Groove 12 covers 1 axial two ends and through the second ball bowl groove 11 through the second roller, and two the second rollers set 1 can in opposite directions etc.
When speed rotation and two the second roller 1 rotations of set, the second ball bowl groove 11 and another the second roller set on one of them second roller set 1
The groove 12 on the material cavity of closure, one of them second roller set 1 is limited between corresponding the second ball bowl groove 11 on 1
Through hole 13 is limited between covering the corresponding groove 12 on 1 with another second roller.
Punching assembly includes guide rod 3 and transmission device (not shown), and transmission device is connected with guide rod 3.Alternatively, it is driven
Device can be cam drive, but not limited to this.Central axis extension of the guide rod 3 along through hole 13, transmission device is used to drive
Dynamic guide rod 3 is moved the first position through through hole 13 and the second place retracted from through hole 13.Wherein, when guide rod 3
During positioned at the second place, guide rod 3 is located at the axial side that roller covers 1, and when guide rod 3 is located at the second place, guide rod 3 is through roller set 1
Axial two ends, pass through from through hole 13.
Specifically, in the course of work of mould 100 of roller briquetting machine, when two the second roller sets 1 are rotated, in transmission
Under the drive of device, guide rod 3 can be from through hole 13 through the material cavity closed, and is rapidly returned to.Thus, it is possible to pass through punching
Component is punched out to the pelletizing in material cavity so that is had gas port on the pelletizing after compression forming, is improved the heat of pelletizing
Conductance, shortens roasting time, reduces roasting burnup, and be easy in roasting process the gas inside pelletizing to be escaped from gas port
Go out, cause pelletizing to ftracture when effectively prevent the effusion of pelletizing internal gas, so as to improve the structural strength of pelletizing.
For example, when roller briquetting machine drives two the first roller sets 101 and two the second roller 1 rotations of set, the material such as miberal powder is first
The closure spacer limited into the first ball bowl groove 102 covered by a pair of first rolls on 101 outer surfaces is compressed, specifically
Ground, the material such as miberal powder is rolled into the gaps between two the first rollers sets 101 by the first roller set 101 of a pair of opposite constant speed rotations
In, and enter in the spacer of closure, under the extruding of two the first roller sets 101, material is compressed into type and is formed as pre- pelletizing.
After the completion of material compression, spacer again in dehiscing state, the pre- pelletizing of compression forming under the influence of unbalance of power and itself
Deviate from the presence of gravity from spacer, under fall on shaped device, and enter covered by a pair second rollers on 1 outer surfaces second
The closure material cavity that ball bowl groove 11 is limited is compressed, and under the extruding of two the second roller sets 1, pre- pelletizing is compressed into type shape
As pelletizing.
The moment that material compression is completed, second roller covers the groove on 1 to guide rod 3 therefrom under the drive of transmission device
12 and another second roller set 1 on groove 12 between the through hole 13 that limits pass through, with through the material cavity of all closures, and
It is quick to return, punch process is completed, then material cavity is in state of dehiscing again, the unbalanced work of the pelletizing of compression forming in power
With the abjection from material cavity in the presence of lower and self gravitation.
According to the mould 100 of the roller briquetting machine of the utility model embodiment, pre- rolling device is first passed through to material
It is compressed and is formed as pre- pelletizing, tentatively improve the density of material, increases the global density and yield rate of follow-up pelletizing, carry
The high production efficiency of pelletizing, and improve the charge of unit volume in the stove using the pelletizing;Again by punching assembly with
Shaped device coordinates is formed as pelletizing with holes by the compression of pre- pelletizing, processing so that the pelletizing of preparation has bigger surface area,
And heat conduction, air guide performance are more preferably, improve the heat conduction efficiency of pellet roasting process, shorten roasting time, reduce roasting
Burnup, while improving also transmittability of the Primordial Qi inside pelletizing, shortens the recovery time, improves using the perpendicular of the pelletizing
The production capacity of stove.
According to some embodiments of the present utility model, reference picture 8 and Fig. 9, guide rod 3 include:Guide body 31 and buffer part
32.One end of guide body 31 is connected with transmission device, and buffer part 32 is connected to the other end of guide body 31, and is led remote
On the direction of bar body 31, the cross-sectional area of buffer part 32 is gradually reduced.Thus, it is possible to reduce guide rod 3 through through hole 13 when
Resistance, so as to reduce the energy consumption in punch process.
Wherein, the shapes and sizes of the cross section of guide body 31 and the shapes and sizes of the cross section of through hole 13 are mutually fitted
Match somebody with somebody.For example, the cross section of groove 12 can be formed as the shape such as semicircle, half elliptic, square, correspondingly, the horizontal stroke of through hole 13
Section can be formed as the shapes such as circular, oval, square or cuboid.
For example, when the shape of cross section of through hole 13 is formed as circle, guide body 31 can be formed as cylindrical shape,
The shape of cross section of guide body 31 can be formed as circular.When the shape of cross section of through hole 13 is formed as ellipse, guide rod
Body 31 can be formed as Elliptic Cylinder shape, and the shape of cross section of guide body 31 can be formed as ellipse.When through hole 13
Shape of cross section when being formed as rectangle, guide body 31 can be formed as rectangular shape, the cross section of guide body 31
Shape can be formed as rectangle.Thus, it is easy to guide rod 3 to be passed freely through from through hole 13, consequently facilitating guide rod 3 is carried out to pelletizing
Punching.
Specifically, buffer part 32 can be formed as cone or elliptic conic shape.Thus, guide rod 3 is efficiently reduced to pass through
Resistance during through hole 13, reduces the energy consumption in punch process.
Alternatively, guide rod 3 uses abrasion-resistant stee casting, and technique is simple, and processing cost is low.
According to some embodiments of the present utility model, the central axis of through hole 13 is crossed in the bowl face of the second ball bowl groove 11
The heart.Thus, it may be such that guide rod 3 crosses the central axis of pelletizing through the hole punched on pelletizing of through hole 13, so as to may be such that pelletizing
Structure is more symmetrical, further increasing heat conduction, the air guide performance of pelletizing, and further increasing the overall knot of pelletizing
Structure intensity.
Alternatively, the second ball bowl groove 11 on each second roller set 1 be it is multiple, multiple second ball bowl grooves 11 in a row or
It is multiple rows of to be distributed on the second roller set 1.For example, referring to Fig. 5, the second ball bowl groove 11 can be distributed on the second roller set 1 in multiple rows of, often
Ball bowl groove 11 is ranked second to be arranged at intervals in the axial direction of the second roller set 1.Thus, it is possible to improve the processing efficiency of pelletizing.
According to some embodiments of the present utility model, the minimum spacing between two neighboring second ball bowl groove 11 is L, and L is full
Foot:1mm≤L≤2mm.The requirement of size and product that its concrete numerical value can cover 1 according to the second roller is adjusted, and this practicality is new
Type is not especially limited to this.For example, the minimum spacing L between two neighboring second ball bowl groove 11 can further be met:L=
0.1mm, L=0.15mm or L=0.2mm etc..Thus, be easy to the second roller cover 1 outer surface on process the second ball bowl groove 11 and
The second roller can be made full use of to cover the space of 1 outer surface, the processing efficiency of the second roller set 1 and the processing effect of pelletizing is improved
Rate.
Here, it is necessary to " minimum spacing between two neighboring second ball bowl groove 11 " described in explanation, the application
Refer on the outer surface for covering 1 in the second roller, the minimum spacing between the bowl face of two the second ball bowl grooves 11 that is connected is (i.e. adjacent
Minimum air line distance between the bowl face of two the second ball bowl grooves 11).
Alternatively, it often ranked second ball bowl groove 11 and cover uniform intervals in 1 axial direction in the second roller and set, and adjacent two the
Minimum spacing between two balls bowl groove 11 is equal.Thus, it may be such that the distribution of the second ball bowl groove 11 is more uniform, so as to carry
The outer surface utilization rate of high second roller set 1 so that the outer surface utilization rate of the second roller set 1 is maximized, and is further improved
The processing efficiency of pelletizing.
Alternatively, the first ball bowl groove 102 is formed as hemispherical.When two the first rollers cover 101 opposite constant speed rotation, wherein one
The first ball bowl groove 102 on individual first roller set 101 covers corresponding the first ball bowl groove 102 on 101 with another first roller
Between limit spherical spacer.Wherein, the size of the first ball bowl groove 102 can be adjusted according to the size of pelletizing sets
Meter.
For example, in the figure 2 example, a diameter of D of the first ball bowl groove 1021, D1Meet:4mm≤D1≤8mm.Alternatively,
The diameter D of first ball bowl groove 1021Can further it meet:D1=8mm, D1=6mm, D1=4mm etc..First ball bowl groove 102
Size is less than the size of the second ball bowl groove 11.Thus, it is possible to tentatively improve the density of material, the entirety for increasing follow-up pelletizing is close
Degree and yield rate, improve the production efficiency of pelletizing, improve the charge of unit volume in the stove using the pelletizing, and technique
Simply, it is easy to process.
It is understood that the first ball bowl groove 102 may be formed as half oblate spheroid, half olive shape etc., correspondingly, precompressed
Chamber can be formed as oblate spheroid, olive shape etc..
According to some embodiments of the present utility model, the depth of groove 12 is t, and the depth of the second ball bowl groove 11 is T, t, T
Meet:0.2T≤t≤0.6T.For example, t, T can further be met:T=0.2T, t=0.4T, t=0.6T etc..Thus, it is possible to
The thermal conduction rate and air guide performance of pelletizing are improved, and can be strong with the structure of the charge of pelletizing in guarantor unit's volume and pelletizing
Degree, improves roasting and the reduction efficiency of pelletizing.
Here, it is necessary to which " depth of the second ball bowl groove 11 " described in explanation, the application refers to the second ball bowl groove
The distance between bottom wall of the center of 11 bowl face and the second ball bowl groove 11, correspondingly, " depth of groove 12 " refers to second
The distance between the center of the bowl face of ball bowl groove 11 and the bottom wall of groove 12.For example, when the second ball bowl groove 11 is formed as hemispherical
When, the radius of the second ball bowl groove 11 is the depth of the second ball bowl groove 11;It is recessed when the cross section of groove 12 is formed as semicircle
The radius of groove 12 is the depth of groove 12.
According to some embodiments of the present utility model, the depth T of the second ball bowl groove 11 is met:4mm≤T≤15mm.Wherein,
Second ball bowl groove 11 depth T concrete numerical value can according to the second roller cover 1 The concrete specification model and actual production in ball
The specific requirement adjusted design of group, the utility model is not especially limited to this.For example, the depth T of the second ball bowl groove 11 can enter
One step is met:T=4mm, T=8mm, T=6mm, T=15mm etc..Technique is simple, easy to process.
According to some embodiments of the present utility model, the depth t of groove 12 can be met:1mm≤t≤3mm.It is specifically counted
Value can be adjusted according to the size of the second ball bowl groove 11, and the utility model is not especially limited to this.For example, groove 12
Depth t can further be met:T=1mm, t=2mm, t=3mm etc..Thus, it is possible to improve the thermal conduction rate of pelletizing and lead
Gas performance, and the roasting and reduction of pelletizing with the charge and the structural strength of pelletizing of pelletizing in guarantor unit's volume, can be improved
Efficiency.
According to some embodiments of the present utility model, reference picture 5- Fig. 7, the second ball bowl groove 11 is formed as hemispherical, second
The bowl face of ball bowl groove 11 is formed as circular, and the cross section of the second ball bowl groove 11 is formed as semicircle.The cross section of groove 12 can be with
Be formed as semicircle.Now the depth of groove 12 is equal with the radius of groove 12, depth and the second ball bowl of the second ball bowl groove 11
The radius of groove 11 is equal.
According to other embodiments of the present utility model, reference picture 10- Figure 12, it is flat that the second ball bowl groove 11 can be formed as half
Spherical, the second ball bowl groove 11 has the first semi-major axis A1 and the first semi-minor axis B1, and A1, B1 are met:1.2≤A1/B1≤2.Its
In, A1, B1 concrete numerical value can be covered according to the second roller 1 The concrete specification model and actual production in the specific requirement of pelletizing is adjusted
Whole design, the utility model is not especially limited to this.First semi-major axis can with the second ball bowl groove 11 depth direction it is in the same direction.
For example, A1 can be met:4mm≤A1≤15mm.Thus, it is easy to the processing of the second ball bowl groove 11.Thus, it is possible to increase pelletizing
Surface area, improves the production capacity of the shaft furnace using the pelletizing.
Reference picture 10- Figure 12, in the present embodiment, the bowl face of the second ball bowl groove 11 are formed as ellipse, the second ball bowl groove
11 cross section is formed as semicircle.Thus, it is possible to the surface of pelletizing prepared by the mould 100 for increasing roller briquetting machine
Product so that pelletizing is adapted to the production requirement of different shaft furnaces.
According to still other embodiments of the present utility model, reference picture 13- Figure 15, the second ball bowl groove 11 is formed as half olive
Shape, the second ball bowl groove 11 has the second semi-major axis A2 and the second semi-minor axis B2, reference picture 13- Figure 15, in the present embodiment, the
The bowl face of two balls bowl groove 11 is formed as ellipse, and the cross section of the second ball bowl groove 11 is formed as half elliptic.Thus, equally can be with
Increase the surface area of the pelletizing of the preparation of mould 100 of roller briquetting machine so that pelletizing is adapted to the life of different shaft furnaces
Production is required.
Second semi-major axis of the second ball bowl groove 11 is axially vertical with the second roller set 1, and A2 is met:4mm≤A2≤15mm.
Its concrete numerical value can be covered according to the second roller 1 The concrete specification model and actual production in the specific requirement of pelletizing adjustment is set
Meter, the utility model is not especially limited to this.
According to some embodiments of the present utility model, groove 12 can be processed by milling process.
According to the mould 100 of the roller briquetting machine of the utility model embodiment, the density and finished product of pelletizing are improved
Rate, improves the structural strength of pelletizing, and causes the pelletizing prepared to have bigger surface area, and heat conductivility, air guide performance are more
It is good, so as to improve the heat conduction efficiency of pellet roasting process, roasting time is shortened, roasting burnup is reduced, improved simultaneously
Also transmittability of the Primordial Qi inside pelletizing, shortens the recovery time, improves the production capacity of the shaft furnace using the pelletizing.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can in an appropriate manner be combined in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (10)
1. a kind of mould of roller briquetting machine, it is characterised in that including:
Pre- rolling device, the pre- rolling device includes two the first roller sets, and the outer surface of two the first roller sets is circumscribed, often
The outer surface of individual first roller set is provided with least one first ball bowl groove, and two the first roller sets can constant speed rotation in opposite directions
And two first rollers sets are when rotating, first ball bowl groove that one of them described first roller is put with another described the
The spacer of closure is limited between corresponding first ball bowl groove that one roller is put;
Shaped device, the shaped device is located at the lower section of the pre- rolling device, and the shaped device includes two the second rollers
Set, the outer surface of two the second roller sets is circumscribed, and the outer surface of each second roller set is provided with least one second ball
Bowl groove and at least one groove, the groove is through the axial two ends of second roller set and passes through second ball bowl groove, two
The individual second roller set can constant speed rotation and when two second rollers sets are rotated in opposite directions, what one of them described second roller was put
Closure is limited between corresponding second ball bowl groove that the second ball bowl groove and another described second roller are put
Material cavity, the corresponding institute that the groove that one of them described second roller is put is put with another described second roller
State and limit through hole between groove;With
Punching assembly, the punching assembly includes guide rod and transmission device, and the transmission device is connected with the guide rod, described to lead
Central axis extension of the bar along the through hole, the transmission device is used to drive the guide rod through first of the through hole
Put and moved between the second place retracted from the through hole.
2. the mould of roller briquetting machine according to claim 1, it is characterised in that the guide rod includes:
Guide body, one end of the guide body is connected with the transmission device;With
Buffer part, the buffer part is connected to the other end of the guide body, and on the direction away from the guide body,
The cross-sectional area of the buffer part is gradually reduced.
3. the mould of roller briquetting machine according to claim 2, it is characterised in that the buffer part is formed as circular cone
Shape or elliptic conic shape.
4. the mould of roller briquetting machine according to claim 1, it is characterised in that the central axis mistake of the through hole
The center of the bowl face of the second ball bowl groove.
5. the mould of roller briquetting machine according to claim 1, it is characterised in that what each second roller was put
The second ball bowl groove is multiple, and multiple second ball bowl grooves are distributed in second roller in a row or multi-row and put.
6. between the mould of roller briquetting machine according to claim 5, the two neighboring second ball bowl groove most
Small spacing is L, and the L is met:1mm≤L≤2mm.
7. the mould of the roller briquetting machine according to any one of claim 1-6, it is characterised in that first ball
Bowl flute profile turns into hemispherical.
8. the mould of roller briquetting machine according to claim 7, it is characterised in that the diameter of the first ball bowl groove
For D1, the D1Meet:4mm≤D1≤8mm。
9. the mould of the roller briquetting machine according to any one of claim 1-6, it is characterised in that the groove
Depth is t, and the depth of the second ball bowl groove is T, and described t, T are met:0.2T≤t≤0.6T.
10. the mould of roller briquetting machine according to claim 9, it is characterised in that the depth of the second ball bowl groove
T is spent to meet:4mm≤T≤15mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720178230.6U CN206605831U (en) | 2017-02-24 | 2017-02-24 | The mould of roller briquetting machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720178230.6U CN206605831U (en) | 2017-02-24 | 2017-02-24 | The mould of roller briquetting machine |
Publications (1)
Publication Number | Publication Date |
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CN206605831U true CN206605831U (en) | 2017-11-03 |
Family
ID=60169309
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CN201720178230.6U Expired - Fee Related CN206605831U (en) | 2017-02-24 | 2017-02-24 | The mould of roller briquetting machine |
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CN (1) | CN206605831U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110983033A (en) * | 2019-12-24 | 2020-04-10 | 兰州申马节能环保科技有限公司 | Cold-pressed pellet integrated production system |
-
2017
- 2017-02-24 CN CN201720178230.6U patent/CN206605831U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110983033A (en) * | 2019-12-24 | 2020-04-10 | 兰州申马节能环保科技有限公司 | Cold-pressed pellet integrated production system |
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