CN206106319U - Powder coating nation decides extruder - Google Patents
Powder coating nation decides extruder Download PDFInfo
- Publication number
- CN206106319U CN206106319U CN201621027556.0U CN201621027556U CN206106319U CN 206106319 U CN206106319 U CN 206106319U CN 201621027556 U CN201621027556 U CN 201621027556U CN 206106319 U CN206106319 U CN 206106319U
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- screw rod
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- screw
- powdery paints
- extruder
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a powder coating nation decides extruder, including feed cylinder, screw rod and barrel, its characterized in that: still include the compulsory feed bucket of metal powder, the screw rod divide into pay -off section, melt zone, shearing section and extrusion section, the barrel, is directly accomplished the fixed technology of powder coating nation through the aforesaid setting at extrusion section and the whitewashed feed bucket intercommunication of forcing of metal in the extruder, extrusion section is directly added to the metal powder, directly binds through the material of shearing the section with, and mixed more even, traditional nation decides the machine and adopts aluminite powder and organic materials powder mixing, again through a stirring of fixing time to the powder coating's that the mixture was come out homogeneity will rely on long -time stirring and could accomplish, and the utility model discloses only be used in extrusion section add can, improved work efficiency greatly.
Description
Technical field
This utility model is related to a kind of extruder, more particularly to a kind of powdery paints bonding extruder.
Background technology
Powdery paints does not contain organic solvent because of which, and the feature of environmental protection is good, storage, convenient transportation the advantages of be widely used in each neck
Domain.
Screw extruder is that the pressure and shearing force for producing is rotated by screw rod, and material can be allowd fully to be plastified
And uniform mixing, by mouth mold molding.
At present, the Chinese patent of Publication No. CN104877527A discloses a kind of continuous stricture of vagina type powder with flash effect
Last coating and its preparation method and application.Described powdery paints is obtained by bottom powder and aluminium powder bonding, and bottom powder is by following quality hundred
The raw material of fraction is made：Polyester resin 55.6-60.8%；Glycoluril crosslinker 4-4.2%；Acid catalyst 0.18-0.22%；Levelling
Agent 0.8-1%；Benzoinum 0.9-1.1%；Decorative pattern auxiliary agent 0.2-0.4%；Filler 27.5-31.68%；Pigment 5-6%.Its preparation
Method is that tabletting is air-cooled, and pulverizing sieves, and obtains powder on earth by raw material mix homogeneously, by extruder melting extrusion, by aluminium powder with
Bottom powder carries out bonding, obtains powdery paints；The continuous stricture of vagina type powdery paints with flash effect for preparing is carried out solidifying and must be applied
Film finished product.
The manufacture method of this powdery paints is made with aluminium powder bonding after pulverizing again first to extrude, but aluminium powder and Di Fen nations
Regularly, technological requirement is higher, needs the concentration of strict control oxygen, and using nitrogen atmosphere, otherwise aluminium powder contacts meeting play with oxygen
, easily there is blast in strong oxidation, dangerous very high.
Utility model content
This utility model purpose is to provide a kind of safe, production efficiency high powdery paints bonding extruder.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of powdery paints bonding
Extruder, including barrel, screw rod and barrel, it is characterised in that：Also include metal powder forced feed bucket, the screw rod is divided into feeding
Section, melt zone, shearind section and extruding zone, the barrel are connected with metal powder forced feed bucket in extruding zone.
By adopting above-mentioned technical proposal, the technique of powdery paints bonding is directly completed in extruder, metal powder is straight
Connect addition extruding zone, and just directly binded by the material of shearind section, mixing evenly, traditional bonding machines be using aluminium powder and
Organic materials powder mixes, then through the stirring of certain hour, and the uniformity of mixing powdery paints out will rely on length
The stirring of time can just be completed, and this utility model is only used in extruding zone addition, substantially increases work efficiency；Twin screw
Extruder is compacted in melt zone material, and gas is discharged, so as to not have oxygen, the addition of aluminium powder between screw rod and barrel
Oxygen will not be contacted and be aoxidized, it is to avoid aluminium powder vigorous oxidation occurs blast, it is ensured that safety during use；It is organic in extruding zone
Material has been mixed thoroughly, and does not have shearing force such that it is able to stable addition aluminium powder, it is to avoid friction steep temperature rise,
Ensure equipment safety.
This utility model is further arranged to：The screw rod is assembled screw rod, including screw core axle, feeding spiral shell block, mixed
Refining spiral shell block, shear screw block and discharging spiral shell block, the feeding section adopt feeding spiral shell block with extruding zone, and the melt zone is using mixing spiral shell
Block, the shearind section adopt shear screw block.
The length according to use demand to each region on screw rod can be facilitated by adopting above-mentioned technical proposal, assembled screw rod
Degree is adjusted, and so as to process different materials, the scope of application is wider, and the processing of assembled screw rod is convenient, system
Tell somebody what one's real intentions are as difficulty, it is only necessary to which shear screw block is selected, feeding spiral shell block shearing force is little, primarily serves the effect of feeding,
Extruded using mixing screw block, while heating, promotes raw material fusion, reach shearind section, shear screw block is squeezed to compound
Pressure, shearing, in making compound, each component fully merges, then extrudes after being delivered to extruding zone bonding, and discharging spiral shell block has to push to be made
With shearing force is substantially not present, and can directly carry out bonding, metal powder is sticked to powdery paints surface.
This utility model is further arranged to：Feeding section：Melt zone：Shearind section：The length ratio of extruding zone is 3:2:4:1.
By adopting above-mentioned technical proposal, feeding segment length is larger can easily to enter enough materials, melt zone pair
Material compression is heated, and is then sent through shearind section and material is cut, and extruding zone is mainly used in mixed material and sends again, and length is arranged
Can be shorter, thus it is rational in infrastructure using aforementioned proportion.
This utility model is further arranged to：The screw core axle includes that the interface of the intake antrum sum on axis is ring
Shape and the water chamber on the outside of intake antrum, the interface outward flange of the water chamber is in profile of tooth, and the intake antrum and water chamber exist
The inner side mutual conduction of extruding zone, the outlet of the water inlet and water chamber of the intake antrum are located at equidirectional, the extrusion
Machine is provided with water-supplying chamber in the water outlet of water chamber, and water-supplying chamber bottom is provided with water outlet breach.
By adopting above-mentioned technical proposal, screw core axle is provided with water-cooling structure, in time screw rod can be cooled down, be kept away
Exempt from when work is extruded, material is bonded on screw rod, so as to material smoothly can be extruded from screw rod, outlet is arranged on water inlet
One direction, is more convenient design pipeline, and water-supplying chamber is fixed, and will not rotate, so as to water outlet gap position is fixed, it is to avoid water exit position
Constantly change and outlet pipe cannot be installed；The liquid entered in extruding zone water inlet arrives first at water exit end, near the outer wall of screw rod,
Cooling is proceeded by, as extruding zone temperature compares melt zone and shearind section is inherently relatively low, therefore is first cooled down, screw rod temperature
Degree also can be lower, contributes to the reduction to extruding zone temperature；Outlet of the edge in profile of tooth has bigger heat exchange area, from
And cooling effectiveness is improved, cooling effectiveness is higher.
This utility model is further arranged to：The metal powder forced feed bucket include cylinder, charging motor, stirring paddle and
Screw rod is pushed, the stirring paddle and push screw rod are driven by the motor that feeds.
Can guarantee that metal powder is uniform in metal powder forced feed bucket endoparticle by adopting above-mentioned technical proposal, stirring paddle,
The phenomenon for boning is less likely to occur, so as to ensure accuracy of the screw rod in feeding, while only with a charging motor pair
Stirring paddle and push screw drive, take up room little, run also more stable.
This utility model is further arranged to：The screw rod is provided with resistance material spiral shell block in the contrary one end of direction of advance.
The material reverse movement for being added to extruder is avoided that by adopting above-mentioned technical proposal, the setting of resistance material spiral shell block,
Ensure that the normal work of extruder.
This utility model is further arranged to：The screw core axle includes that the interface of the intake antrum sum on axis is ring
Shape and the water chamber on the outside of intake antrum, the interface outward flange of the water chamber is in profile of tooth, and the intake antrum and water chamber exist
The inner side mutual conduction of extruding zone, the outlet of the water inlet and water chamber of the intake antrum are located at equidirectional, the extrusion
Machine is provided with hydroecium in the water outlet of water chamber, and hydroecium side is provided with outlet pipe.
By adopting above-mentioned technical proposal, screw core axle is provided with water-cooling structure, in time screw rod can be cooled down, be kept away
Exempt from when work is extruded, material is bonded on screw rod, so as to material smoothly can be extruded from screw rod, outlet is arranged on water inlet
One direction, is more convenient design pipeline, and water-supplying chamber is fixed, and will not rotate, so as to water outlet gap position is fixed, it is to avoid water exit position
Constantly change and outlet pipe cannot be installed；The liquid entered in extruding zone water inlet arrives first at water exit end, near the outer wall of screw rod,
Cooling is proceeded by, as extruding zone temperature compares melt zone and shearind section is inherently relatively low, therefore is first cooled down, screw rod temperature
Degree also can be lower, contributes to the reduction to extruding zone temperature；Outlet of the edge in profile of tooth has bigger heat exchange area, from
And cooling effectiveness is improved, cooling effectiveness is higher.
In sum, this utility model has the advantages that：
1st, bonding metal powder, high working efficiency, process safety are directly carried out using double screw extruder；
2nd, rationally, cooling effectiveness is high for the cooling structure of screw rod；
3rd, assembled screw rod is adopted, it is convenient to adjust, spiral shell block and thread bush can be selected according to material.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation after this utility model hides barrel；
Fig. 3 is the cross section structure diagram of screw rod of the present utility model；
Fig. 4 is the schematic cross-section of screw core Axial and radial of the present utility model；
Fig. 5 is the schematic cross-section of screw core axle axial direction of the present utility model；
Fig. 6 is the cross-sectional schematic of metal powder forced feed bucket in this utility model.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment：
Referring to figs. 1 to Fig. 3, a kind of powdery paints bonding extruder, including barrel 1, screw rod 2, barrel 3 and metal feedstock bucket
4,2 points of screw rod is feeding section 21, melt zone 22, shearind section 23 and extruding zone 24, and barrel 3 is provided with extruding zone 24 and is fed with metal
The metal powder charge door of the conducting of charging basket 4, has been mixed thoroughly in 24 organic materials of extruding zone, and does not have shearing force, from
And addition aluminium powder that can be stable, it is to avoid friction steep temperature rise, it is ensured that equipment safety, it is controlled in metal powder forced feed bucket 4
Nitrogen atmosphere, can avoid metal powder oxidation deterioration, it is ensured that can normally complete bonding.
Temperature is controlled in the barrel 3：22 temperature of melt zone is 60～90 DEG C, and the temperature of shearind section 23 is 105～120
DEG C, the temperature of extruding zone 24 is 60～80 DEG C, and, at 60-80 degree Celsius, temperature can not mistake in extrusion for material for 24 temperature of extruding zone
It is high to reduce temperature so need to be cooled down in extruding zone 24, while at such a temperature, organic materials in vitrification point and
Between softening point, relative to tradition stirring bonding process, temperature is slightly higher, and this is due to the aluminium powder in the extruding zone 24 and organic
Material Relative friction is less, heats up less, it is therefore desirable to which providing higher temperature can just make aluminium powder and organic materials bonding nation
It is fixed, extruder cooling is sent by the feeding effect of extruding zone 24 then；22 temperature of melt zone is 60～90 degrees Celsius, in mixing
In material, at least a kind of material has occurred and that thawing, carries out preliminary mixing, 23 temperature 105～120 of shearind section so as to bonding
All raw materials in resin mixture degree Celsius can be melted, then is acted on by the extrusion shearing of 2 shear screw block 7 of twin screw so that be mixed
Close material to be completely mixed together.
Screw rod 2 is reverse intermeshing twin-screw, and is assembled screw rod, including screw core axle 5, resistance material spiral shell block 10, feeding
Spiral shell block 6, shear screw block 7, mixing screw block 8 and discharging spiral shell block 9, the feeding section 21 adopts feeding spiral shell block 6, and the melt zone 22 is adopted
With mixing screw block 8, using shear screw block 7, using discharging spiral shell block 9, screw rod 2 is contrary in direction of advance for extruding zone for the shearind section
One end is provided with resistance material spiral shell block 10, prevents reverse feeding.
With reference to Fig. 3 and Fig. 4, screw core axle 5 is provided centrally with intake antrum 51 and annular water chamber 52,52 outer ring edge of water chamber
It is in profile of tooth, big with 5 contact area of screw core axle, good cooling results, intake antrum 51 and water chamber 52 it is mutual in 24 end of extruding zone
Conducting, so as to the cooling water temperature of extruding zone 24 is minimum, is consistent with design temperature, the water inlet and water chamber 52 of intake antrum 51
Outlet be located at equidirectional, convenient use, extruder are provided with water-supplying chamber, water-supplying chamber 11 in the water outlet of water chamber 52
Side is provided with outlet pipe 12, first passes through water-supplying chamber 11 from the liquid out of water chamber 52 and is then exhausted from.
Metal powder can be according to use demand from metal dusts such as aluminium powder, Cu-Zn alloy powder, pearl essences.
With reference to Fig. 6, metal powder forced feed bucket 4 includes staving 41, charging motor 42, stirring paddle 43 and pushes screw rod 44,
Stirring paddle 43 and push screw rod 44 are driven by the motor 42 that feeds, and stirring paddle 43 can guarantee that metal powder in metal powder forced feed bucket
4 endoparticles are uniform, it is not easy to which the phenomenon of bonding occurs, so as to ensure accuracy of the screw rod 2 in feeding, while only with one
Individual charging motor 42 is driven to stirring paddle 43 and push screw rod 44, is taken up room little, is run also more stable.
This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (6)
1. a kind of powdery paints bonding extruder, including barrel (1), screw rod (2) and barrel (3), it is characterised in that：Also include gold
Category powder forced feed bucket (4), the screw rod (2) are divided into feeding section (21), melt zone (22), shearind section (23) and extruding zone
(24), the barrel (3) is in extruding zone (24) and metal powder forced feed bucket（4）Connection.
2. a kind of powdery paints bonding extruder according to claim 1, it is characterised in that：The screw rod (2) is combination
Formula screw rod, including screw core axle (5), feeding spiral shell block (6), mixing screw block（8）, shear screw block (7) and discharging spiral shell block（9）, it is described
With extruding zone (24) using feeding spiral shell block (6), the melt zone adopts mixing screw block to feeding section (21)（8）, the shearind section adopts
Use shear screw block（7）.
3. a kind of powdery paints bonding extruder according to claim 2, it is characterised in that：The screw rod（2）Advancing
One end in opposite direction is provided with resistance material spiral shell block（10）.
4. a kind of powdery paints bonding extruder according to claim 1, it is characterised in that：The feeding section (21)：It is molten
Melt section (22)：Shearind section (23)：The length ratio of extruding zone (24) is 3:2:4:1.
5. a kind of powdery paints bonding extruder according to claim 2, it is characterised in that：Screw core axle (5) bag
Include intake antrum (51) on axis and interface be annular and the water chamber (52) that is located on the outside of intake antrum (51), it is described go out
The interface outward flange of water cavity (52) is in profile of tooth, the inner side phase mutual conductance of the intake antrum (51) and water chamber (52) in extruding zone (24)
Logical, the outlet of the water inlet and water chamber (52) of the intake antrum (51) is located at equidirectional, and the extruder is in water chamber
(52) water outlet is provided with hydroecium, and hydroecium side is provided with outlet pipe.
6. a kind of powdery paints bonding extruder according to claim 1, it is characterised in that：The metal powder forced feed
Bucket（4）Including staving（41）, charging motor（42）, stirring paddle（43）With push screw rod（44）, the stirring paddle（43）And push
Screw rod（44）By the motor that feeds（42）Drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027556.0U CN206106319U (en) | 2016-08-31 | 2016-08-31 | Powder coating nation decides extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027556.0U CN206106319U (en) | 2016-08-31 | 2016-08-31 | Powder coating nation decides extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206106319U true CN206106319U (en) | 2017-04-19 |
Family
ID=58518641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621027556.0U Expired - Fee Related CN206106319U (en) | 2016-08-31 | 2016-08-31 | Powder coating nation decides extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206106319U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378919A (en) * | 2016-08-31 | 2017-02-08 | 玉石塑粉有限公司 | Powder coating bonding extruder and operating method thereof |
| CN111361126A (en) * | 2020-04-13 | 2020-07-03 | 滁州捷诚环保装备有限公司 | Double screw extruder side feeding device |
| CN112226106A (en) * | 2020-12-16 | 2021-01-15 | 艾勒可新材料(佛山)有限公司 | Powder coating with metal effect and preparation method thereof |
-
2016
- 2016-08-31 CN CN201621027556.0U patent/CN206106319U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378919A (en) * | 2016-08-31 | 2017-02-08 | 玉石塑粉有限公司 | Powder coating bonding extruder and operating method thereof |
| CN111361126A (en) * | 2020-04-13 | 2020-07-03 | 滁州捷诚环保装备有限公司 | Double screw extruder side feeding device |
| CN112226106A (en) * | 2020-12-16 | 2021-01-15 | 艾勒可新材料(佛山)有限公司 | Powder coating with metal effect and preparation method thereof |
| CN112226106B (en) * | 2020-12-16 | 2021-05-07 | 艾勒可新材料(佛山)有限公司 | Powder coating with metal effect and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20170831 |