It is a kind of just to mix disk for being blended the multistage of equipment
Technical field
Apparatus assembly, first mixed group of more particularly to a kind of puddle mixer for manufacturing casting sand are blended the present invention relates to one kind
Part.
Background technology
The equipment of being blended typically refers to carry out fragmentary material by modes such as stirring, vibrations, upset, spreadings well-mixed
Equipment, is widely used in the fields such as building, machinery and chemical industry, and in Foundry Production, molding sand manufacture is primary link, puddle mixer
It is the visual plant for manufacturing molding sand, is obtained by the way that sand material is well mixed with binding agent or other auxiliary materials and can be used to manufacture casting mold
Molding sand, for example, the production of precoated sand be exactly by sand material, resin and curing agent mix, resin and curing agent is uniformly distributed simultaneously
Sand grain surface is coated on, the equipment that the production process is used is exactly puddle mixer.
Sand blender of the prior art, relatively large puddle mixer versatility is good, and can realize the continuous of mulling operation
Property, mulling efficiency high, mulling effect is good, and small-sized puddle mixer is generally that small lot is quantitatively blended casting model powder, and flexibility is high, is easy to system
Make and repair, although above-mentioned all kinds of puddle mixers in production efficiency and adaptability all have respective advantage, structure design with
And also there is certain deficiency in mechanical effect, for example Authorization Notice No. CN2601135Y Chinese utility model patents disclose one kind
Double stirring puddle mixers, its revoliving arm is fixed on main shaft upper end, and two agitators are fixed on the two ends of revoliving arm, due to being stirred with two
The rolling wheel during device instead of existing puddle mixer is mixed, so that normal batch mixing can be carried out to resin sand and water-glass sand, in a short time
Reach well mixed, batch mixing speed is fast, efficiency high, positive role can be also played to improving moulding-sand property, although the patent is one
Determine to be improve in degree the stability of mulling effect and whole machine, but be concerned only with the improvement of main mixed structure, to overall structure and machine
Tool efficiency completely without reference to.Authorization Notice No. CN204396785U Chinese utility model patents disclose a kind of precoated sand mulling
Machine, including the cylindrical outer barrel of open top above support is vertically provided at, the inside of cylindrical outer barrel is coaxially arranged with one
The inner cylinder that individual external diameter is substantially the same with the internal diameter of the outer barrel, is provided with shake between inner cylinder exterior bottom and the inside bottom of outer barrel
Dynamic motor, is provided with multiple the first stirring vanes extended to inner cylinder middle part, the precoated sand mulling on the circumferential madial wall of inner cylinder
Machine is rotated in stirring by the positive and negative intermittent high-speed of inner/outer tube will be driven its interior crushing material and is sufficiently mixed uniformly, the skill
Art not only increased cost by the crushing and mixing that set the inner/outer tube and percussion mechanism of complexity to realize material, reduce
Equipment reliability of operation, and mechanical efficiency is relatively low.
The content of the invention
Above-mentioned deficiency based on prior art, it is an object of the invention to provide a kind of just mixed for being blended the multistage of equipment
Disk, is transformed and is used the first mixed disk by the existing equipment that is blended, and can significantly solve existing to be blended plant machinery efficiency
Low problem, and optimize topology layout, for casting sand, especially being blended for precoated sand is particularly effective.
Just mixed disk of the invention, for being blended equipment, it is described be blended equipment refer to employ including stirring or spreading or
Person stirs the means being combined with spreading and carries out the equipment that fragmentary material is blended, and the first mixed disk includes just mixing drive mechanism, just mixes
Power transmission shaft and the rotation dish being installed on just mixed power transmission shaft, it is described it is just mixed check and regulate body and be installed on described be blended equipment Zhu Hun mechanisms
Top, for tentatively being mixed to the material by being blended the supply of equipment charging aperture, in working order under, just mix drive mechanism band
Dynamic just mixed drive axis, the different steering or different of equipment Zhu Hun mechanisms is blended with for the rotation dish is provided from described
Rotating speed.Just mixed disk of the invention, due to being mounted in Zhu Hun mechanisms top, can carry out just mixing, due to being independent drive to material
It is dynamic, it is different relative to being driven using a separate transmission axle in conventional art using the rotating speed different from Zhu Hun mechanisms and steering
The mode of working-blade, can mix more effectively material dispersion, improve mechanical effect.
Be installed on the rotation dish at least two on the just mixed power transmission shaft, preferably two or three, in different levels
It is arranged above and below, size increments, rotation dish is conveniently of circular shape.Just mixed disk of the invention, as a result of various sizes of many
Level rotation dish, can make material during just mixed also successively by repeatedly mixing, further improve mixed effect.
Above-mentioned rotation dish at least upper surface is by the inner sunken face structure of outer circumferential central smoothing transition.The design can change
The contact angle of kind material and rotation dish, makes that its motion is more complicated, and corresponding dispersion effect is more preferable.
When the rotation dish being installed on the just mixed power transmission shaft is two, the outline diameter of first order rotation dish is preferred
It is the 35~70% of second level rotation dish outline diameter.
Specifically, the above-mentioned equipment that is blended is for puddle mixer, the puddle mixer has main mixed storehouse, and two or more is installed on main mixed storehouse top
Charging aperture, you can for supplying different types of molding sand such as fresh sand and old sand, it can also be used to while supplying molding sand and binding agent
And auxiliary material, main mixed storehouse inner upper installation just mixed disk of the invention, just mixing drive mechanism includes motor, gearbox, just mixed to pass
Moving axis is connected through main mixed silo roof portion with drive mechanism, and Zhu Hun mechanisms are installed in main mixed orlop portion or middle part and bottom, and the master mixes
Mechanism includes being arranged on the mixed drive mechanism of master and main mixed power transmission shaft of main mixed storehouse sidepiece or bottom or sidepiece and bottom, and
Work oar or active wheel on main mixed power transmission shaft, the means being combined with spreading using stirring or spreading or stirring
Carry out molding sand to be blended, the outlet of the charging aperture is towards the first order rotation dish of just mixed disk.
Special feeding port can be set at the above-mentioned middle part or bottom for being blended the mixed storehouse of equipment master, when used for molding sand supply binding agent
And/or during curing agent, only by the charging aperture dispensing molding sand aggregate on main mixed storehouse top, and main mixed storehouse middle part or bottom can be passed through
Special feeding port supply binding agent and/or curing agent, which can largely reduce the live load and work of Zhu Hun mechanisms
Make the time.
Above-mentioned just mixed disk and Zhu Hun mechanisms are controlled using unified logic control element, distribute negative according to actual needs
The transmission parameter and operation sequential of both lotus, precise control.
Beneficial effects of the present invention:
1st, just mixed disk of the invention, due to being mounted in Zhu Hun mechanisms top, can carry out just mixing to material, greatly improve
It is blended effect and is blended efficiency;
2nd, just mixed disk of the invention can use the rotating speed different from Zhu Hun mechanisms and steering, phase due to being independent driving
For the mode for driving different operating blade in conventional art using a separate transmission axle, can more effectively make material dispersion
Mixing, simultaneously because just mixed reduce main mixed load and working time, the design does not increase energy consumption not only, improves on the contrary
Mechanical effect;
3rd, just mixed disk of the invention employs various sizes of multistage rotation dish, and material can be made also first during just mixed
Afterwards by repeatedly mixing, mixed effect is further improved;
4th, at least upper surface of rotation dish is set to by the inner sunken face structure of outer circumferential central smoothing transition, its purpose
It is the contact angle for improving material and rotation dish, makes that its motion is more complicated, corresponding dispersion effect is more preferable;
5th, rationally designing the dimension scale of rotation dish at different levels can assist the dynamic process described in above-mentioned 3rd point and the 4th point
Same-action, makes dispersion and mixed effect reach together most preferably;
6th, the equipment that is blended of the invention is adapted to prepare the casting sand of various complicated formulas for puddle mixer, is also adapted to difference
Molding sand hybrid mode, the mixing of such as fresh sand and old sand, the mixing of different molding sand aggregates, molding sand aggregate and binding agent or auxiliary
The mixing of material;
7th, when preparing common sand with binding agent or during precoated sand, prior art would generally be using different various
Be blended equipment carries out just mixing to material, employs puddle mixer of the invention, because in the presence of first mixed disk, molding sand aggregate is
A certain degree of dispersion mixing is obtained, special feeding port supply binding agent can have been set at the middle part or bottom that are blended the mixed storehouse of equipment master
And/or curing agent etc., which can largely reduce live load and the working time of Zhu Hun mechanisms, decrease just mixed machine
The work load of structure;
8th, employ it is of the invention be blended equipment, can science distribution load according to actual needs, individually designed just mixed machine
Structure and the mechanical load and power of Zhu Hun mechanisms, and by the transmission parameter and fortune of both unified logic control element precise controls
Turn sequential.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings:
Fig. 1 is the specific embodiment structural representation of multistage just mixed disk of the invention;
Fig. 2 is multistage just mixed disk rotation dish of the invention and traditional single stage plane rotary disc working state schematic representation;
Fig. 3 is the puddle mixer structural representation for employing multistage just mixed disk of the invention;
Fig. 4 just mixes the drive mechanism schematic diagram of disk for the multistage of another embodiment of the present invention;
Fig. 5 just mixes the drive mechanism schematic diagram of disk for the multistage of third embodiment of the invention.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.Conversely, there is provided these implementation methods are able to be best understood from the disclosure, and can be by this public affairs
The scope opened it is complete convey to those skilled in the art.
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1:
As shown in figure 1, the present embodiment is mixed disk at the beginning of two grades, including just mixes drive mechanism 1, just mixed power transmission shaft 2 and be installed on
The first order rotation dish 3 and second level rotation dish 4 of Synchronization Control on power transmission shaft, in this embodiment, rotation dish are mixed at the beginning of same
Circle is shaped as, the upper surface in each rotation dish section is by the inner sunken face structure of outer circumferential central smoothing transition, Ye Jizhuan
Moving plate is integrally filled in the disk of indent, and diameter R1 is preferably diameter at the outer of second level rotation dish 4 at the outer of first order rotation dish 3
The 35~70% of R2, it is optimal to be slightly above 50%, such as 55%.
As shown in Fig. 2 left mix disk working condition at the beginning of two grades of the present embodiment, the right side is the work of traditional single stage plane rotary disc
The first mixed drive mechanism 1 that disk is mixed at the beginning of state, two grades of the present embodiment drives just mixed power transmission shaft 2 to rotate, and partial material first falls the
In one-level rotation dish 3, after fall in second level rotation dish 4, by curved face contact, rebounded along different angles or circled round, significantly
Improve dispersion and mixed effect.
It is readily appreciated that, disk is mixed at the beginning of above-mentioned two grades by increasing rotation dish quantity can also be modified as mixing at the beginning of three-level disk or more
Multistage just mixed disk.
As shown in figure 3, the present embodiment is the puddle mixer for being mounted with to be mixed at the beginning of above-mentioned two grades disk, the puddle mixer has main mixed storehouse 5,
Three charging apertures 6 are installed on main mixed storehouse top, and the main mixed inner upper of storehouse 5 installs just mixed disk of the invention, and just mixing drive mechanism 1 can be with
Selection variable-frequency motor, just mixes power transmission shaft 2 and is connected with first mixed drive mechanism 1 through main mixed silo roof portion, and Zhu Hun mechanisms include being arranged on
Longitudinal rabbling mechanism of the main mixed bottom of storehouse 5, longitudinal rabbling mechanism includes the main mixed power transmission shaft 8 of main mixed drive mechanism 7 and longitudinal direction, with
And the puddler 9 with blade on the main mixed power transmission shaft 8 in longitudinal direction.
In a preferred embodiment, it also is provided with special feeding port 10 at the middle part or bottom in the mixed storehouse of mulling owner.
In another preferred embodiment, the top of puddler 9 with blade is also equipped with hammer puddler 11.
In another preferred embodiment, Zhu Hun mechanisms also include being arranged on the horizontal rabbling mechanism of the main mixed sidepiece of storehouse 5, the horizontal stroke
Include laterally main mixed power transmission shaft 12 and the working-blade 13 on laterally main mixed power transmission shaft 12 to rabbling mechanism, laterally stir
The power transmission shaft for mixing mechanism also drives (not shown) by independent drive mechanism.
With reference to Fig. 3 as can be seen that the operation principle of the puddle mixer is:Just mixed body of checking and regulating is installed on the mixed mechanism of mulling owner
Top, for tentatively being mixed to the material supplied by mulling machine inlet, the outlet of charging aperture 6 of three, top is towards just
The first order rotation dish 3 of mixed disk, three charging apertures 6 can be used for weight feed different types of molding sand such as fresh sand and old sand,
Can also be used for supplying molding sand and binding agent and auxiliary material simultaneously, in working order under, just mix drive mechanism 1 and drive just mixed power transmission shaft
2 are rotated, and steering or the different rotating speeds different from the mixed mechanism of mulling owner are provided with for rotation dish, just mix disk and Zhu Hun mechanisms
It is controlled using unified logic control element 14, according to actual needs distribution load, the transmission parameter of both precise controls
With operation sequential.
In a preferred embodiment, because the middle part or bottom in the mixed storehouse of mulling owner are provided with special feeding port 10, when
During for supplying binding agent and/or curing agent to molding sand, the dispensing molding sand aggregate of charging aperture 6 on storehouse top can be only mixed by master,
And the special feeding port 10 for passing through main mixed storehouse middle part or bottom supplies binding agent and/or curing agent, which can largely subtract
The live load of Shao Zhuhun mechanisms and working time.
Embodiment 2:
As to mixing the improvement of disk at the beginning of the present invention, in this embodiment it is possible to setting more than two is located at same level
First order rotation dish 3, and each first order rotation dish 3 is with the rotating speed and divertical motion different from second level rotation dish 4, such as
Shown in Fig. 4, it may be accomplished by drive connection:Originally mix power transmission shaft be divided into an initiative drive shaft and several
Slave drive axle, each first order rotation dish 3 has each independent slave drive axle, and shaft end connects driven gear 15, the
Two grades of initiative drive shaft shaft end connection driving gears 16 of rotation dish 4, driving lower band of the initiative drive shaft in first mixed drive mechanism 1
Dynamic driving gear 16 is rotated, and driving gear 16 drives driven gear 15 to rotate, and driven gear 15 drives slave drive axle to rotate, most
The motion of all rotation dish is realized eventually.
The embodiment in addition to diameter R1 is suitably turned down relative to embodiment 1 at the outer of each first order rotation dish 3, its
Its structure includes that puddle mixer structure is same as Example 1, is calculated by optimization, diameter at the outer of each first order rotation dish 3
R1 is preferably 25~60% of diameter R2 at the outer of second level rotation dish 4, especially with 35-45% more preferably.
Embodiment 3:
It is different from embodiment 2, as the improvement to mixing disk at the beginning of the present invention, in this embodiment it is possible to not increase new axle
The friction speed control of first order rotation dish 3 and second level rotation dish 4 is realized in the case of position, as shown in figure 5, it can be by with lower section
Formula realizes drive connection:Originally mixed power transmission shaft is divided into and be actively driven interior axle and slave drive outer shaft, and second level rotation dish 4 is connected
Interior axle is actively driven, the connection slave drive outer shaft of first order rotation dish 3 is actively driven interior axle shaft end connection driving gear 16, from
Dynamic transmission outer shaft shaft end connection gear ring 17, is actively driven interior axle and drives 16 turns of driving gear under the driving of first mixed drive mechanism 1
Dynamic, driving gear 16 drives gear ring 17 to rotate by idler gear 18, and gear ring 17 drives slave drive outer shaft to rotate, final to realize
The friction speed motion of first order rotation dish 3 and second level rotation dish 4.
The embodiment other structures include that puddle mixer structure is same as Example 1.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.