CN206277577U - A kind of pouring head mixing head for PU materials - Google Patents
A kind of pouring head mixing head for PU materials Download PDFInfo
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- CN206277577U CN206277577U CN201621386059.XU CN201621386059U CN206277577U CN 206277577 U CN206277577 U CN 206277577U CN 201621386059 U CN201621386059 U CN 201621386059U CN 206277577 U CN206277577 U CN 206277577U
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Abstract
A kind of pouring head mixing head for PU materials, from top to bottom include fin section, the first spiral section, stirring raised section and the second spiral section, fin section has multi-disc fin, first, second spiral section is convexly equipped with a plurality of spiral raised line, multiple stirring projections are evenly arranged with the raised section surface of stirring, the hand of spiral of a plurality of spiral raised line is identical with the incline direction of the fin of fin section.Above-mentioned pouring head mixing head has unique structure, and mixing is abundant, is produced without bubble substantially, and disassembly, cleaning are convenient, and because mixing head has PP or PE layers, the raw material such as PU are difficult to be bonded to mixing head surface, are capable of the continuous operation of longer time.
Description
Technical field
The utility model is related to PU (polyurethane) material placingJi Shu field, especially a kind of cast for P U materials
Head mixing head.
Background technology
, it is necessary to using casting equipment model will be poured into such as PU expanded materials in PU (polyurethane) material pouring technology
In, obtain corresponding PU products after foaming in a model.
Existing pouring head mixing head has substantial amounts of bubble to produce in use, and cast mixed effect is bad.Meanwhile,
Existing pouring head mixing head is made of such as stainless steel and other metal materials, casting equipment complex structure in itself, is not easy to
Dismounting.During product use, PU materials are readily bonded on mixing head, the rotation of mixing head, and then influence casting quality;
Need constantly to shut down in use, clean, low production efficiency;And the PU materials bonded on mixing head are bonded with inwall
Closely, it is more difficult to remove.
Utility model content
To solve the above problems, the utility model provides a kind of pouring head mixing head for PU materials, from top to bottom
Including fin section, the first spiral section, stirring raised section and the second spiral section.Fin section has the multi-disc wing for setting in its axial direction
Piece, the fin relative to mixing head main body axially inclined projection on the surface of mixing head main body, be evenly distributed on mixing head
On the circumferential surface of main body, and with identical angle of inclination;First spiral section is located at the lower end of fin section, in its mixing head master
A plurality of spiral raised line, the hand of spiral of a plurality of spiral raised line and inclining for the fin of fin section are uniformly convexly equipped with the circumferential surface of body
Tilted direction is identical;Stirring raised section is located at the lower end of the first spiral section, is stirring the mixing head main body circumferencial direction of raised section
Multiple stirrings are evenly arranged with surface raised;Second spiral section is located at the lower end of stirring raised section, in its mixing head main body
A plurality of spiral raised line, the hand of spiral of a plurality of spiral raised line and the inclination side of the fin of fin section are uniformly convexly equipped with circumferential surface
To identical.
Further, the diameter of the mixing head main body of the stirring raised section is less than fin section, the first spiral section and the second spiral shell
The diameter of the mixing head main body of section is revolved, and/or the stirring projection of the stirring raised section is in boss-shaped, stirs raised cross section
Be with the axial right-angled trapezium as vertical edges of mixing head main body, the incline direction of the hypotenuse of right-angled trapezium and the first spiral section it is many
The hand of spiral of bar spiral raised line is identical.
Further, uniform intervals are provided with even column altogether on the surface of the mixing head main body circumferencial direction of stirring raised section
Stirring is raised, and the projection that stirs of odd column includes one first abutted with the first spiral section stirring projection and along mixing head main body
Axis n second stirring that uniform intervals are set successively is raised;The stirring of even column is raised to include that corresponding to odd column stirs convex
N+1 individual first, second in rising stirs n secondary series stirring projection and the n individual second that the gap uniformity between projection is set
One first abutted with the second spiral section stirring set after stirring projection is raised;Wherein, the first stirring projection and second
It is in boss-shaped that stirring is raised, and it is axially the rectangle on side long with mixing head main body that the raised cross section of the first stirring is;Second stirs
The cross section for mixing projection be with the axial right-angled trapezium as vertical edges of mixing head main body, the incline direction of the hypotenuse of right-angled trapezium with
The incline direction of the fin of fin section is identical.
Further, fin section top has the flange for protruding from mixing head main body, and described fin one end is connected to flange
Lower surface, the other end extends to the top edge of the first spiral section.
Further, fin section, the first spiral section, stirring raised section and the second spiral section have the external diameter being substantially the same;Or
Person, fin section, the first spiral section and the second spiral section have the external diameter being substantially the same, and the external diameter for stirring raised section is slightly larger than fin
The external diameter of section, the first spiral section and the second spiral section.
Further, the length of fin section, the first spiral section, stirring raised section and the second spiral section on mixing head axial direction
Degree is than being 2:3:4:3.
Further, the height ratio of the spiral raised line of the fin of fin section and the first spiral section or the second spiral section is 1:1.5-
2.0;The fin of fin section is 1 with the height ratio that the first stirring is raised and the second stirring is raised of stirring raised section:3.0-4.0.
Further, in the circumferential surface in the centre position of the first spiral section, uniform intervals are provided with multiple same sizes
Groove.
Further, mixing head is made up of PP or PE materials, or its outer surface has PP or PE coatings.
Further, mixing head includes the plug and outer layer adaptable with head shapes are mixed, and outer layer is molded over mandrel surface, by
PP or PE materials are constituted, or with PP or PE coatings.
Pouring head mixing head of the present utility model has unique mixed structure, and mixing is abundant, is produced without bubble substantially,
Disassembly, cleaning are convenient, and because mixing head has PP or PE layers, the raw material such as PU are difficult to be bonded to mixing head surface, compared to
Prior art, mixing head of the present utility model is capable of the continuous operation of longer time.
It is demonstrated experimentally that in the case of using PU (polyurethane) raw material (virgin material), the pouring head mixing of all steel material
Cleaning is accomplished by as first after material feeding 200 times, and PP or PE layers of pouring head mixing head of band of the present utility model can noted
Can also normally be run after expecting 600 times, operational efficiency is lifted more than 3 times.
Brief description of the drawings
Fig. 1 is the top view of casting equipment of the present utility model;
Fig. 2 is sectional view of the casting equipment top view of the present utility model along A-A directions;
Fig. 3 a are the stereogram of the overcoat of casting equipment of the present utility model;
Fig. 3 b are the side view of the overcoat of casting equipment of the present utility model;
Fig. 3 c are the top view of the overcoat of casting equipment of the present utility model;
Fig. 3 d are the sectional view in C-C directions along Fig. 3 b of the overcoat of casting equipment of the present utility model;
Fig. 3 e are the sectional view in C-C directions along Fig. 3 b of the overcoat of the another embodiment of the utility model casting equipment;
Fig. 4 a are the stereogram of the material mouth of casting equipment of the present utility model;
Fig. 4 b are the sectional view of the material mouth of casting equipment of the present utility model;
Fig. 5 a are the front view of the mixing head of casting equipment of the present utility model;
Fig. 5 b are the sectional view in C-C directions along Fig. 5 a of the mixing head of casting equipment of the present utility model;
Fig. 5 c are the front view of the mixing head plug of casting equipment of the present utility model;
Fig. 5 d are the side view of the mixing head of the another embodiment of the utility model casting equipment;
Fig. 5 e are the front view of the mixing head of the another embodiment of the utility model casting equipment.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Casting equipment/pouring head as shown in Figure 1 and Figure 2, is provided with multiple bearings 11 in the bearing block 1 on pouring head top, main
Axle 2 is contained in bearing block 1, and the two ends of main shaft 2 are passed from the two ends of bearing block 1 respectively, and the end of bearing block 1 is passed in main shaft 2
Be provided with sealing device 12, the sealing device 12 can using the utility model people preceding patent 201410244757.5,
Technology in 201420293401.6.Bearing block 1 is fixed in terminal pad 3, and the sealing device 12 of the bottom of bearing block 1 passes through connection
Disk 3, main shaft 2 is extend into the mixing chamber 4 that the lower section of terminal pad 3 is set.Cylinder 41, inlet valve 42, needle-valve are connected with mixing chamber 4
43rd, purge valve 44, feed back pressure regulator valve 45 etc., various PU raw materials are injected into mixing chamber 4 by one or more material interfaces, main shaft
2 extend on the end of mixing chamber 4 and are fixedly connected with along the axially extending mixing head 5 of main shaft 2.The top of mixing head 5 is located at mixing
In the space of room 4, the middle and lower part of mixing head 5 passes from mixing chamber 4, is received into the space of overcoat 6 of the bottom of mixing chamber 4 fixation
In, the bottom of overcoat 6 is provided with castable mouth 7.When casting equipment works, it is vertically arranged, drives main shaft 2 to rotate by motor, main shaft 2
Fixed mixing head 5 follows main shaft 2 to rotate together with one end of mixing chamber 4, and various PU raw materials (being determined according to product) pass through
Different material interfaces 42 enter into mixing chamber 4, by PU raw materials in mixing chamber 4 and the space of overcoat 6 under the turning effort of mixing head 5
In mixed, the PU materials for mixing are foamed by expecting that mouth 7 is injected into grinding tool.
As illustrated in figs. 3 a-3d, overcoat 6 has hollow cylindrical side wall 60, and the one end of side wall 60 is provided with and is connected with mixing chamber 4
Flange 61.The connecting hole 62 being connected together for the respective base projection with mixing chamber 4 is provided with flange 61.Flange 61
Outer rim protrudes from sleeve side wall 60, and annular groove 64 is formed with the end face of the flange 61, in order to be connected with mixing chamber 4
When sealing ring is installed, form sealing structure.Sleeve side wall 60 is provided with the sandwich for cooling water circulation, such as Fig. 3 c, 3d
It is shown, including inwall 601 and outer wall 602;The top of inwall 601 is provided with the flange collar 603 towards outer wall 602, and flange collar 603 is sealed
Abut on outer wall 602, can flange collar 603 abut outer wall 602 position on set groove 604, reached by laying sealing ring
To sealing purpose;Inwall 601 and outer wall 602 closure of flange collar more than 603 link together;The bottom of inwall 601 is to outer wall 602
Bending, is tightly connected at the adapting table 611 of outer wall 602 with outer wall 602;Two sealed spacer bar 606 is arranged on sleeve side wall
Between the inwall 601 and outer wall 602 of 60 main bodys, extend from the lower edge of inwall flange collar 603 to the bottom of overcoat 6 respectively, with inwall
601st, outer wall 602 and flange collar 603 are tightly connected, and respectively between the bottom of inwall 601 and the bending of outer wall 602 portion's of being tightly connected holding
Every, hole (not shown) is formed, so as to split to the mezzanine space between inwall 601 and outer wall 602, constitute inwall 601
And in the cooling water free air space between outer wall 602.It is consequently formed the left and right two for cooling water circulation of sleeve side wall 60
Relative sandwich portion 607,608, it passes through the bottom hole UNICOM, at two relative tops of sandwich portion 607,608
It is also respectively provided with two cooling water gateways 609,610.Additionally, flange 61 can be integrally formed with the outer wall 602 of side wall.This reality
Apply in example, extend to form outer wall extension 612 in the bottom of adapting table 611 of outer wall 602, the shape on the inner side of outer wall extension 612
Into the internal thread having for being connected with material mouth 7, outer wall extension 612 is provided with placement sealing with the connecting portion of outer wall adapting table 611
The sealed groove 605 of circle.The inwall 601 of sleeve side wall 60 is made up of PP or PE materials.
Or, in another embodiment of the present utility model, as shown in Figure 3 e, with the composition sleeve side wall 60 shown in Fig. 3 d
The inwall 601 of middle cooling water circulation sandwich is different with the Split type structure of outer wall 602, inwall 601 in the present embodiment and outward
Wall 602 is structure as a whole, and mezzanine space is formed with therebetween.Two sealed spacer bar 606 is arranged on the interior of the main body of sleeve side wall 60
Between wall 601 and outer wall 602, overcoat top top extends to the bottom of overcoat 6 respectively, with inwall 601, outer wall 602 and overcoat
Top top is tightly connected, and the inner and outer wall joint portion with jacket bottom keeps interval respectively, forms hole (not shown),
So as to split to the mezzanine space between inwall 601 and outer wall 602, the cooling water between inwall 601 and outer wall 602 is constituted
In free air space.The relative sandwich portion 607,608 in the left and right two for cooling water circulation of sleeve side wall 60 is consequently formed,
It passes through the bottom hole UNICOM, and two cooling waters are also respectively provided with two relative tops of sandwich portion 607,608
Gateway 609,610.The inwall 601 of sleeve side wall 60 is towards having PP or PE on a side surface of pouring head overcoat hollow space
Coating.
Material mouth 7 is in funnel-shaped structure wide at the top and narrow at the bottom, can be sealably coupled to by the way of screw thread or engaging and put outward,
It has inside and outside double-layer structure, and as shown in Fig. 4 a, 4b, the internal layer 701 contacted with cast raw material is made up of PP or PE materials, or tool
There are PP or PE coatings, be wrapped in the outer layer 702 outside the internal layer 701 and be made up of the high-strength material of such as stainless steel, so that
Increase the integral rigidity of charging nozzle 7.Expect the funnel-shaped structure top edge side of mouth 7 in a ring, be provided with and the inwall of overcoat 6
The external screw thread 703 of the internal thread connection on 601 inner side, funnel-shaped structure dome top surface is formed with annular groove 704, annular
The inner edge and bottom of groove 704 are made up of internal layer 701, and the outer cause outer layer 702 of annular groove 704 is constituted, and annular groove 704 is used
In sealing ring is accommodated, so as to be tightly connected with overcoat 6.Expecting the funnel-shaped structure external collar of mouth 7 has terrace with edge 705, such as six ribs
Platform, in order to expect the installation of mouth 7.
Fig. 5 a show the stereogram of mixing head of the present utility model 5, according to use state from top to bottom (Fig. 5 a from the right side to
It is left) include four sections --- the 501, first spiral section 502 of fin section, the stirring spiral section 504 of raised section 503 and second.
Fin section 501 is located at the top of mixing head 5, has the flange for protruding from mixing head main body 506 on its top
5011, it is convexly equipped with 3-5 pieces fin 5012 relative to the axially inclined of mixing head main body 506 on the surface of mixing head main body 506, it is excellent
3 are selected, the multi-disc fin 5012 is evenly distributed on the circumferential surface of mixing head main body 506, be highly 3-6mm, fin
5012 one end are connected to the lower surface of flange 5011, and the other end extends to the top edge of the first spiral section 502, the multi-disc fin
5012 have identical angle of inclination, the top edge institute of fin 5012 and the spiral section 502 of flange 5011 and first in the present embodiment
Into acute angle be 60 °, those skilled in the art can select in the range of 50-70 °.
First spiral section 502 is located at the lower end of fin section 501, uniform convex on the circumferential surface of its mixing head main body 506
It is provided with a plurality of spiral raised line 5021, the hand of spiral of a plurality of spiral raised line 5021 and the inclination side of the fin 5012 of fin section 501
Highly it is 2-3mm to identical.In the circumferential surface in the centre position of the first spiral section 502, dug to axis direction uniform intervals
There are two grooves of same size 5022, each groove respectively accounts for 120 ° of circumference, is separated by 60 ° of circumference, and those skilled in the art also may be used
Uniformly to dig three grooves.
Stirring raised section 503 be located at the first spiral section 502 lower end, stir raised section 503 mixing head main body 506 it is straight
Footpath is raised in stirring less than fin the 501, first spiral section 502 of section and the diameter of the mixing head main body 506 of the second spiral section 504
Uniform intervals are provided with four row stirring projection on the surface of the circumferencial direction of mixing head main body 506 of section 503, i.e., in mixing head main body
90 ° of row stirrings of interval setting four are raised on 506 circumferencial directions.Wherein, first row stirring is raised includes and the neighbour of the first spiral section 502
Connect one first stirring raised 5031 and convex along three second stirrings that the axis of mixing head main body 506 successively uniform intervals is set
Play 5032;First stirring raised 5031 and the second stirring raised 5032 are in boss-shaped, and the cross section of the first stirring raised 5031 is
It is axially the rectangle on side long with mixing head main body 506, the cross section of the second stirring raised 5032 is with the axle of mixing head main body 506
To the inversion right-angled trapezium for vertical edges, the incline direction and a plurality of spiral shell of the first spiral section 502 of the hypotenuse of right-angled trapezium are inverted
The hand of spiral for revolving raised line 5021 is identical with the incline direction of the fin 5012 of fin section 501.Secondary series stirring is raised including right
The three secondary series stirring that should be set in the gap uniformity between four stirrings raised 5031,5032 in first row stirring projection
What is set after projection 5032 and three second stirrings raised 5032 is convex with one first stirring of the adjoining of the second spiral section 504
Play 5031.Similar, the raised raised gap uniformity of adjacent one row stirring that corresponds to of the three, the 4th row stirrings is set.First stirs
The height for mixing the stirring raised 5032 of projection 5031 and second is 6-12mm.In the present embodiment, it is described in the case of four row, this
Art personnel are appreciated that spaced even column can be circumferentially set as above to be stirred projection to realize this practicality
It is new.It is raised alternatively, it is also possible to only be uniformly arranged multiple second stirrings in the mixing head main body 506 of stirring raised section 503
5032 realize the utility model.
Second spiral section 504 is located at the lower end of stirring raised section 503, with a plurality of spiral raised line 5041 and groove 5042,
Its structure is identical with the first spiral section 502.
Can set, the 501, first spiral section 502 of fin section, the spiral section 504 of stirring raised section 503 and second have substantially
Identical external diameter.Can also set, fin the 501, first spiral section 502 of section and the second spiral section 504 are outer with what is be substantially the same
Footpath, stirs the external diameter of raised section 503 slightly larger than fin the 501, first spiral section 502 of section and the external diameter of the second spiral section 504, that is, stir
The top for mixing projection is higher by the surface of fin the 501, first spiral section 502 of section and the second spiral section 504.
Preferably, the 501, first spiral section 502 of fin section, the stirring spiral section 504 of raised section 503 and second are in mixing head 5
Length ratio on axial direction is 2:3:4:3.
Preferably, the spiral section 502 of fin 5012 and first or the spiral raised line of the second spiral section 504 of fin section 501
5021st, 5041 height ratio is 1:1.5-2.0;The fin 5012 of fin section 501 is raised with the first stirring of stirring raised section 503
5031 and second the height ratio of stirring raised 5032 be 1:3.0-4.0.
During assembling, fin section 501 and the first spiral section 502 are located in the space of mixing chamber 4, and raw material is preferably driven into
The middle and lower part of fin section 501, by the rotation of mixing head, can be pressed downward for raw material by fin section 501, and less can squeeze into
The generation of bubble during raw material;The spiral section 504 of stirring raised section 503 and second is located in the space of overcoat 6.Additionally, and funnel-form
The shape of material mouth 7 be adapted, the lower end mixing head main body 506 of the second spiral section 504 is set to inverted boss 5061.
As shown in Fig. 5 b, 5c, mixing head 5 is made up of the plug 51 and outer layer 52 adaptable with head shapes are mixed, outer layer into
Type is made up of in mandrel surface light material, can be made up of PP or PE materials, or with PP or PE coatings;Plug 51 is preferably
The metal material of such as stainless steel, in hollow form, is connected with main shaft 2, is rotated under the drive of main shaft 2.
Plug 51 includes caput 511, connecting rod 512 and rod tail connecting portion 513, caput 511, connecting rod 512 and rod tail connecting portion
513 cross section outer rim is rounded and mutually coaxially connected, the two ends of connecting rod 512 respectively with caput 511 and rod tail connecting portion 513
It is coaxially connected.The top edge of caput 511 and bottom along being nearby respectively arranged with annular projection 5112,5113, on the bottom face of caput 511
It is formed with the conical surface 5111 for extending downwardly.The bottom that rod tail connecting portion 513 is connected with connecting rod 512 is convex along nearby a ring-type is provided with
5131 are played, is additionally provided between in the annular projection 5131 of rod tail connecting portion 513 and the top of rod tail connecting portion 513 another
Annular projection 5132.Main shaft 2 is inserted into the hollow space of plug 51 by rod tail connecting portion 513.
Because cladding material has selected light material, plug employs the moulding of similar dumbbell, compared in the prior art
The mixing head of metal material, mixing head easy to manufacture of the present utility model ensure that uniform rotation, reduce eccentric degree, from
And in mixed processes, reduce the generation of bubble in raw material, improve product quality.
Fig. 5 d, 5e show the stereogram of the mixing head 8 of the another embodiment of the utility model, and mixing head 8 includes mixing head
Main body 81, top connector 82, bottom boss portion 83 and bottom connecting portion 84, mixing head main body 81, top connector 82, bottom
Be inverted boss portion 83 and bottom connecting portion 84 cross section outer rim is rounded and mutual coaxially connected, the top of mixing head main body 81
It is connected with top connector 82, the bottom of mixing head main body 81 is connected with one end of bottom connecting portion 84, bottom connecting portion 84
The other end is inverted boss portion 83 and is connected with bottom.Selectable, mixing head 8 can omit bottom connecting portion 84, mixing head main body
Directly boss portion 83 is inverted with bottom and be connected in 81 bottom.
Mixing head main body 82 is cylindrical, and uniform intervals are provided with 6 rows (more than or equal to 3 on the side wall of mixing head main body 81
Row) mixing component, wherein being provided with row's mixing component on the bottom margin of mixing head main body.Often row's mixing component includes ring
Around 6 (being more than or equal to 3) first stirring raised line 85 of cylinder circumference, 6 first stirring raised line 85 edges on same circumference
Its length direction uniform intervals is set, and 6 first stirring raised lines 85 are along its length around the post of mixing head main body 82 in figure
Body circumference, i.e., the length direction of the first stirring raised line 85 is perpendicular to the cylinder axial direction of mixing head main body 82, those skilled in the art
Could be aware that, the length direction that can set the first stirring raised line 85 favours the cylinder axial direction of mixing head main body 82, in mixing
During head rotation, apply the spinning force towards mixing head bottom boss portion 83.Each first stirring raised line 85 is in isosceles boss-shaped, tool
Have along the isosceles trapezoid section of its width.
Bottom connecting portion 84 is cylindrical, between its height is not more than between two row's mixing components in mixing head main body 81
Away from diameter of its diameter less than mixing head main body 81.In bottom, connecting portion 84 is inverted the side that boss portion 83 is connected with bottom
There is row's mixing component on edge, including around 6 (being more than or equal to 3) second stirring raised line 86 of cylinder circumference, same
Uniform intervals are set 6 second stirring raised lines 86 on circumference along its length.Each second stirring raised line 86 is convex in isosceles
Mesa-shaped, with the isosceles trapezoid section along its width.The length of the second stirring raised line 86 is less than the first stirring raised line 85
Length.
It is inverted coniform boss that boss portion 83 is inverted in bottom, and the shape with funnelform material mouth 7 is adapted, its bottom surface
It is connected with bottom connecting portion 84 or mixing head main body 81.
Top connector 82 is cylindrical, is formed on the basal surface position that top connector 82 is connected with mixing head main body 81
There is fillet surface 87, rotation tooth 88 is formed with the top surface of top connector 82.
Mixing head 5 with previous embodiment is identical, and mixing head 8 includes being made up of plug and outer layer, and outer layer is molded over plug
Surface, is made up of light material, can be made up of PP or PE materials, or with P P or PE coatings;Plug 51 is preferably for example stainless
The metal material of steel, in hollow form, is connected with main shaft 2, is rotated under the drive of main shaft 2.Plug in the present embodiment with it is previous
The mandrel structure of embodiment is identical, will not be described here.
Below the preferred embodiment that the utility model is created is illustrated, but the utility model is created not
It is limited to the embodiment, those of ordinary skill in the art can also make on the premise of without prejudice to the utility model creative spirit
A variety of equivalent modifications or replacement, these equivalent modifications or replacement are all contained in the application claim limited range
It is interior.
Claims (10)
1. a kind of pouring head mixing head for PU materials, it is characterised in that:From top to bottom include fin section, the first spiral section,
Stirring raised section and the second spiral section,
Fin section has the multi-disc fin for setting in its axial direction, axially inclined projection of the fin relative to mixing head main body
On the surface of mixing head main body, it is evenly distributed on the circumferential surface of mixing head main body, and with identical angle of inclination;
First spiral section is located at the lower end of fin section, and a plurality of spiral prominence is uniformly convexly equipped with the circumferential surface of its mixing head main body
Bar, the hand of spiral of a plurality of spiral raised line is identical with the incline direction of the fin of fin section;
Stirring raised section is located at the lower end of the first spiral section, on the surface of the mixing head main body circumferencial direction of stirring raised section
It is even to be provided with multiple stirring projections;
Second spiral section is located at the lower end of stirring raised section, and a plurality of spiral shell is uniformly convexly equipped with the circumferential surface of its mixing head main body
Rotation raised line, the hand of spiral of a plurality of spiral raised line is identical with the incline direction of the fin of fin section.
2. pouring head mixing head as claimed in claim 1, it is characterised in that:
Mixing head of the diameter of the mixing head main body of the stirring raised section less than fin section, the first spiral section and the second spiral section
The diameter of main body,
And/or the stirring of the stirring raised section is raised in boss-shaped, it is with mixing head main body axial direction to stir raised cross section
It is the right-angled trapezium of vertical edges, the spiral side of a plurality of spiral raised line of the incline direction of the hypotenuse of right-angled trapezium and the first spiral section
To identical.
3. pouring head mixing head as claimed in claim 1, it is characterised in that:In the mixing head main body circumference side of stirring raised section
To surface on uniform intervals to be provided with even column stirring altogether raised,
Raised include being abutted with the first spiral section one first that stirs of odd column stirs projection and along mixing head main body axis
N second stirring that uniform intervals are set successively is raised;
The stirring of even column is raised to be included corresponding between n+1 first, second stirring projection in odd column stirring projection
The n secondary series stirring that gap uniformity is set is raised and n second stirring projection after set with the adjoining of the second spiral section
One first stirring it is raised;
Wherein, the first stirring is raised and the second stirring projection is in boss-shaped, and the raised cross section of the first stirring is with mixing head master
Body is axially the rectangle on side long;The raised cross section of second stirring is the right angle ladder with mixing head main body axially as vertical edges
Shape, the incline direction of the hypotenuse of right-angled trapezium is identical with the incline direction of the fin of fin section.
4. the pouring head mixing head as described in one of claim 1-3, it is characterised in that:Fin section top have protrude from mixing
The flange of head main body, described fin one end is connected to the lower surface of flange, and the other end extends to the top edge of the first spiral section.
5. the pouring head mixing head as described in one of claim 1-3, it is characterised in that:Fin section, the first spiral section, stirring are convex
Playing section and the second spiral section has the external diameter being substantially the same;Or, fin section, the first spiral section and the second spiral section have substantially
Identical external diameter, stirs the external diameter of the external diameter slightly larger than fin section, the first spiral section and the second spiral section of raised section.
6. the pouring head mixing head as described in one of claim 1-3, it is characterised in that:Fin section, the first spiral section, stirring are convex
It is 2 to play the length ratio of section and the second spiral section on mixing head axial direction:3:4:3.
7. the pouring head mixing head as described in one of claim 1-3, it is characterised in that:The fin and the first spiral section of fin section
Or second spiral section spiral raised line height ratio be 1:1.5-2.0;The fin of fin section is stirred with the first of stirring raised section
The raised and raised height ratio of the second stirring is 1:3.0-4.0.
8. the pouring head mixing head as described in one of claim 1-3, it is characterised in that:In the centre position of the first spiral section
Circumferential surface, uniform intervals are provided with the groove of multiple same sizes.
9. the pouring head mixing head as described in one of claim 1-3, it is characterised in that:Mixing head is made up of PP or PE materials,
Or its outer surface has PP or PE coatings.
10. the pouring head mixing head as described in one of claim 1-3, it is characterised in that:Mixing head includes and mixes head shapes
Adaptable plug and outer layer, outer layer is molded over mandrel surface, is made up of PP or PE materials, or with PP or PE coatings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621386059.XU CN206277577U (en) | 2016-12-16 | 2016-12-16 | A kind of pouring head mixing head for PU materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621386059.XU CN206277577U (en) | 2016-12-16 | 2016-12-16 | A kind of pouring head mixing head for PU materials |
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CN206277577U true CN206277577U (en) | 2017-06-27 |
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CN201621386059.XU Active CN206277577U (en) | 2016-12-16 | 2016-12-16 | A kind of pouring head mixing head for PU materials |
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Country | Link |
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CN (1) | CN206277577U (en) |
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2016
- 2016-12-16 CN CN201621386059.XU patent/CN206277577U/en active Active
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