CN203974036U - For the production of the double screw extruder of powdery paints - Google Patents
For the production of the double screw extruder of powdery paints Download PDFInfo
- Publication number
- CN203974036U CN203974036U CN201420381519.4U CN201420381519U CN203974036U CN 203974036 U CN203974036 U CN 203974036U CN 201420381519 U CN201420381519 U CN 201420381519U CN 203974036 U CN203974036 U CN 203974036U
- Authority
- CN
- China
- Prior art keywords
- water
- driving shaft
- water inlet
- flowing trough
- cooling bath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of double screw extruder for the production of powdery paints, comprise barrel, screw rod and actuating unit, screw rod comprises driving section and power transmission shaft, actuating unit includes driving shaft and driving shaft inside arranges water-flowing trough, water-flowing trough includes water inlet end and water side, driving shaft is provided with coupling assembling between water side one side and power transmission shaft, inside screw is provided with cooling bath, the mutual UNICOM of cooling bath and water-flowing trough, in water-flowing trough, be provided with water inlet pipe, between water inlet pipe and cooling bath and water-flowing trough, be formed with gap, water inlet pipe is circumscribed with watering, the gap that driving shaft forms between water inlet end one side is provided with delivery port and delivery port and driving shaft and water inlet pipe is connected, the utility model provides a kind of double screw extruder for the production of powdery paints, material is extruded from screw rod smoothly, preventing that raw material from piling up solidifies dead angle place in two screw rods, ensure that two screw rods can keep high efficiency raw material to carry for a long time.
Description
Technical field
The utility model relates to a kind of double screw extruder, and more particularly, it relates to a kind of double screw extruder for the production of powdery paints.
Background technology
The raw material that powder production needs have resin, curing agent, additive and pigment etc., wherein resin, curing agent, the materials such as additive processing temperature in process of production should just can make material melting reach mixing shear effect higher than 5 DEG C of softening points, in prior art, powdery paints uses double screw extruder that powder is carried out extruding after melting in process of production conventionally, because barrel is heated to raw-material softening temperature by needs, add between inner two screw rods and interact and produced a large amount of heats, so the temperature on screw rod can be far away higher than softening temperature, when temperature height can reach the glass transition temperature of resin after to a certain extent, after temperature is higher than the glass transition temperature of resin, resin can show its viscous characteristics, now raw material can be attached on screw rod, make screw rod can not drive raw material to go out from extruder, make material stay in for a long time gel or curing in barrel, the dead angle place change of such two screw rods has raw material and solidifies accumulation, two screw rods are declined for raw material transfer efficiency.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of double screw extruder for the production of powdery paints, material is extruded from screw rod smoothly, preventing that raw material from piling up solidifies dead angle place in two screw rods, ensures that two screw rods can keep high efficiency raw material conveying for a long time.
For achieving the above object, the utility model provides following technical scheme: a kind of double screw extruder for the production of powdery paints, comprise barrel, be arranged at two screw rods that cooperatively interact in barrel and drive the actuating unit of two bolt rotaries, described screw rod includes the driving section that is arranged at barrel inside and the power transmission shaft that is positioned at barrel outside, described actuating unit includes driving shaft and described driving shaft inside arranges water-flowing trough, described water-flowing trough includes water inlet end and water side, described driving shaft interconnects by being provided with coupling assembling between water side one side and power transmission shaft, described inside screw is provided with the cooling bath of the circulation of supplying water, the mutual UNICOM of described cooling bath and water-flowing trough, in described water-flowing trough, be provided with the end that water inlet pipe and described water inlet pipe one end are positioned at the water inlet end other end and extend to cooling bath, between described water inlet pipe and cooling bath and water-flowing trough, be formed with gap, described water inlet pipe is circumscribed with watering in water inlet end one side, the gap that described driving shaft forms between water inlet end one side is provided with delivery port and described delivery port and driving shaft and water inlet pipe is connected.
By adopting technique scheme, watering provides cooling water to water inlet pipe, cooling water is the end through to cooling bath by water inlet pipe one, cooling water is gone out and has been entered the gap forming between water inlet pipe and cooling bath from water inlet pipe in the outlet of cooling bath end, because cooling water is constantly outer inner logical in a steady stream, so the cooling water that the cooling water entering afterwards can promote to enter is above towards the water inlet end motion of driving shaft, cooling water is in flow process, help screw rod to lower the temperature, take away heat, cooling water after heated just flows out from the delivery port of water inlet end, reach the object that helps screw rod heat radiation, material is extruded from screw rod smoothly, preventing that raw material from piling up solidifies dead angle place in two screw rods, ensure that two screw rods can keep high efficiency raw material to carry for a long time.
The utility model is further set to: described coupling assembling includes the seal that is inserted between power transmission shaft and driving shaft and for being fixedly connected with the clamping element of driving shaft and power transmission shaft, two end faces of described seal are suitable with corresponding cooling bath and water-flowing trough respectively, and the direction of described seal along driving shaft to shaft end is provided with water guide groove.
By adopting technique scheme, because cooling water is to have certain pressure from inner that pass through and cooling water between power transmission shaft and driving shaft, so cooling water can leak the gap between shaft end and driving shaft, between driving shaft and shaft end, be provided with seal in order to prevent from leaking, seal is inserted between cooling bath and water-flowing trough, seal inside is provided with water guide groove, cooling water enters screw rod by water guide groove, help screw rod to dispel the heat, so just, can ensure to there will not be the situation of leaking between shaft end and driving shaft, ensure sealing.
The utility model is further set to: described clamping element comprises sleeve pipe, described sleeve pipe is provided with the groove of UNICOM's sleeve pipe both ends of the surface along its direction of axis line, described sleeve pipe two ends are provided with the clamp cap of opening and described clamp cap and are detachably fixedly installed on sleeve outer wall, in described clamp cap, be provided with the through hole for driving shaft and output shaft insertion with respect to the opposite side end face of opening, described through hole and groove are connected, described clamp cap inside is provided with clamping section, described clamping section is round table-like setting and described clamping section diameter of section reduces along opening to through hole direction, each end face of described sleeve pipe is provided with stretching structure, described stretching structure includes abutting part and the fixed part for driving shaft and output shaft insertion, described abutting part is positioned at jacket exterior, described clamp cap is during along sleeve pipe axially-movable, the inconsistent control fixed part in described abutting part and clamping section is flexible along sleeve pipe radial direction.
By adopting technique scheme, this adapter sleeve includes sleeve, in described sleeve, be provided with the stretching structure that clamps driving shaft or power transmission shaft, when use, first two clamp cap are arranged at respectively to sleeve pipe two ends, make clamp cap in loosening state along sleeve pipe axial direction, now the fixed part size of stretching structure is magnified, driving shaft or power transmission shaft can be sheathed in fixed part easily by through hole, after moving into place, along the sleeve pipe axial direction clamp cap of moving, clamping section and abutting part are interacted, fixed part size is reduced, fixed part just can clamp driving shaft and output shaft forms fixed structure, reach driving shaft and power transmission shaft are interfixed with this, connect by which, convenient for assembly when having ensured fixed effect, and convenient for production.
The utility model is further set to: described cooling bath and water-flowing trough cross section all rounded setting and diameter identical, described seal correspondence is set to cylindrical, described seal both ends of the surface are provided with seal groove, in described seal groove, are provided with sealing ring.
By adopting technique scheme, after power transmission shaft and driving shaft clamp by clamping element, power transmission shaft and drive division press seal part two axial ends, after sealing ring on axle head is extruded and between power transmission shaft and drive division, form sealing surface, further improved this sealing property for the production of the double screw extruder of powdery paints.
The utility model is further set to: described driving shaft and power transmission shaft are all set to regular hexagon, and described fixed part is regular hexagon.
By adopting technique scheme, the transmission efficiency between driving shaft and power transmission shaft, also for regular hexagon, can be improved like this in the accommodating cavity cross section that driving shaft and power transmission shaft are set to form between regular hexagon and two clamp clips, prevents the phenomenon of skidding.
The utility model is further set to: on the internal face of described screw rod, be provided with shape of threads lines.
By adopting technique scheme, when cooling water enters in cooling bath, described cooling water can move around screw rod inwall along shape of threads lines, make cooling water contact heat radiation with screw rod internal face fully, the temperature that ensures each position of screw rod all can be lower than raw-material glass transition temperature, has further ensured that each position of screw rod all there will not be material to be attached to the situation on screw rod.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of the utility model for the production of the double screw extruder embodiment of powdery paints;
Fig. 2 is the inside screw water through structure schematic diagram of the utility model for the production of the double screw extruder embodiment of powdery paints;
Fig. 3 is the clamping element structural representation of the utility model for the production of the double screw extruder embodiment of powdery paints;
Fig. 4 is the clamp cap structural representation of the utility model for the production of the double screw extruder embodiment of powdery paints;
Fig. 5 is the seal configuration schematic diagram of the utility model for the production of the double screw extruder embodiment of powdery paints.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, the utility model is described further for the production of the double screw extruder embodiment of powdery paints.
A kind of double screw extruder for the production of powdery paints, comprise barrel 5, be arranged at two screw rods that cooperatively interact 4 in barrel 5 and drive two actuating units 1 that screw rod 4 rotates, described screw rod 4 includes the driving section 42 that is arranged at barrel 5 inside and the power transmission shaft 41 that is positioned at barrel 5 outsides, described actuating unit 1 includes driving shaft 2 and described driving shaft 2 inside arrange water-flowing trough 24, described water-flowing trough 24 includes water inlet end 21 and water side 23, described driving shaft 2 interconnects by being provided with coupling assembling between water side 23 1 sides and power transmission shaft 41, described screw rod 4 inside are provided with the cooling bath 43 of the circulation of supplying water, described cooling bath 43 and the mutual UNICOM of water-flowing trough 24, in described water-flowing trough 24, be provided with the end that water inlet pipe 7 and described water inlet pipe 7 one end are positioned at water inlet end 21 other ends and extend to cooling bath 43, between described water inlet pipe 7 and cooling bath 43 and water-flowing trough 24, be formed with gap 44, described water inlet pipe 7 is circumscribed with watering in water inlet end 21 1 sides, the gap 44 that described driving shaft 2 forms between water inlet end 21 1 sides are provided with delivery port 22 and described delivery port 22 and driving shaft 2 and water inlet pipe 7 is connected.
The actuating unit 1 of mentioning in the present invention comprises that (described reductor and drive motors internal structure are known technology for reductor 12 and drive motors 11, do not describe in detail at this), the power of drive motors 11 is passed to two screw rods 4 by reductor 12, drive two screw rods 4 to rotate, in file of the present invention, mentioned driving shaft 2 is on driving shaft 2 on reductor 12 and this reductor 12 and is provided with two driving shafts 2 simultaneously, described driving shaft 2 inside are provided with water-flowing trough 24, the cooling bath 43 of one end of described water-flowing trough 24 and power transmission shaft 41 is connected, and the other end is circumscribed with threeway swivel joint 8, described threeway swivel joint 8 is common on the market a kind of three-way connection, it includes three interfaces, an interface is connected tank 24, an interface connects watering, an interface is delivery port 22, save the additional processing for delivery port 22 by the mode of outsourcing like this, improve production efficiency.
Between described driving shaft 2 and power transmission shaft 41, be provided with clamping element 6, described clamping element 6 includes sleeve pipe 63, described sleeve pipe 63 inside are provided with stretching structure 61, described stretching structure 61 is preferably two and is the clamp clip 62 that semicircular ring arranges, two clamp clips 62 on the end face of sleeve pipe 63 outsides, turn up be formed with abutting part 611 and described abutting part 611 slightly larger in diameter in the diameter of sleeve pipe 63, between described clamp cap 64 and sleeve pipe 63, be preferably and be threaded, described clamp cap 64 inside are provided with internal thread 643, and on sleeve pipe 63 outer walls, be provided with suitable with it external screw thread 631, the clamping section 642 of described clamp cap 64 is between internal thread 643 and through hole 641, this steps up part in assembling, two clamp clips 62 are positioned over to the port of sleeve pipe 63, then put clamp cap 64, due to turning up of abutting part 611, so clamp clip 62 can't fall into sleeve pipe 63 inside, then power transmission shaft 41 and driving shaft 2 are stretched between the fixed part 612 that two clamp clips 62 form from the through hole 641 of clamp cap 64, finally turn clamp cap 64, clamp cap 64 is radially moved, when clamp cap 64 is radially moved, the diameter of section of the clamping section 642 of clamp cap 64 inside is more and more less, be that active force between clamping section 642 and abutting part 611 is increasing, now two fixed part 612 contraction clamping power transmission shaft 41 and rear formation rock-steady structures of driving shaft 2 that clamp clip 62 forms, connect by which, convenient for assembly, between driving shaft 2 and power transmission shaft 41, fixed structure is stable.
Between preferred driving shaft 2 and power transmission shaft 41, be also provided with seal 3, the cross section of described water-flowing trough 24 and cooling bath 43 all rounded setting and diameter identical, on two end faces of described seal 3, be provided with some for the seal groove of sealing ring 31 is installed, in described groove, be provided with sealing ring 31, the seal groove number of described seal 3 both ends of the surface is identical, be preferably two, 3 two ends of described seal are installed on respectively between corresponding driving shaft 2 and power transmission shaft 41, by the effect of clamping element 6, sealing ring 31 is clamped rear formation sealing surface between driving shaft 2 and power transmission shaft 41, ensure in the process of cooling water water flowing, between driving shaft 2 and power transmission shaft 41, there will not be the situation of leaking.
Cooling water of the present invention passes into from swivel tee joint, by inner water inlet pipe 7, cooling water is delivered to the end of cooling bath 43, cooling water is gone out and has been entered the gap 44 forming between water inlet pipe 7 and cooling bath 43 from water inlet pipe 7 in the outlet of cooling bath 43 ends, because cooling water is constantly outer inner logical in a steady stream, so the cooling water that the cooling water entering afterwards can promote to enter above moves towards the water inlet end 21 of driving shaft 2, cooling water is in flow process, help screw rod 4 to lower the temperature, take away heat, cooling water after heated just flows out from the delivery port 22 of swivel tee joint, reach the object that helps screw rod 4 to dispel the heat, material is extruded from screw rod 4 smoothly, preventing that raw material from piling up solidifies dead angle place in two screw rods 4, ensure that two screw rods 4 can keep high efficiency raw material to carry for a long time.
On the internal face of described screw rod 4, be provided with shape of threads lines.
By adopting technique scheme, cooling water enters cooling bath 43 when interior, described cooling water can be along shape of threads lines around screw rod 4 inwall motions, make cooling water contact heat radiation with screw rod 4 internal faces fully, the temperature that ensures screw rod 4 each positions all can be lower than raw-material glass transition temperature, has further ensured that screw rod 4 each positions all there will not be material to be attached to the situation on screw rod 4.
Claims (6)
1. the double screw extruder for the production of powdery paints, comprise barrel, be arranged at two screw rods that cooperatively interact in barrel and drive the actuating unit of two bolt rotaries, it is characterized in that: described screw rod includes the driving section that is arranged at barrel inside and the power transmission shaft that is positioned at barrel outside, described actuating unit includes driving shaft and described driving shaft inside arranges water-flowing trough, described water-flowing trough includes water inlet end and water side, described driving shaft interconnects by being provided with coupling assembling between water side one side and power transmission shaft, described inside screw is provided with the cooling bath of the circulation of supplying water, the mutual UNICOM of described cooling bath and water-flowing trough, in described water-flowing trough, be provided with the end that water inlet pipe and described water inlet pipe one end are positioned at the water inlet end other end and extend to cooling bath, between described water inlet pipe and cooling bath and water-flowing trough, be formed with gap, described water inlet pipe is circumscribed with watering in water inlet end one side, the gap that described driving shaft forms between water inlet end one side is provided with delivery port and described delivery port and driving shaft and water inlet pipe is connected.
2. the double screw extruder for the production of powdery paints according to claim 1, it is characterized in that: described coupling assembling includes the seal that is inserted between power transmission shaft and driving shaft and for being fixedly connected with the clamping element of driving shaft and power transmission shaft, two end faces of described seal are suitable with corresponding cooling bath and water-flowing trough respectively, and the direction of described seal along driving shaft to shaft end is provided with water guide groove.
3. the double screw extruder for the production of powdery paints according to claim 2, it is characterized in that: described clamping element comprises sleeve pipe, described sleeve pipe is provided with the groove of UNICOM's sleeve pipe both ends of the surface along its direction of axis line, described sleeve pipe two ends are provided with the clamp cap of opening and described clamp cap and are detachably fixedly installed on sleeve outer wall, in described clamp cap, be provided with the through hole for driving shaft and output shaft insertion with respect to the opposite side end face of opening, described through hole and groove are connected, described clamp cap inside is provided with clamping section, described clamping section is round table-like setting and described clamping section diameter of section reduces along opening to through hole direction, each end face of described sleeve pipe is provided with stretching structure, described stretching structure includes abutting part and the fixed part for driving shaft and output shaft insertion, described abutting part is positioned at jacket exterior, described clamp cap is during along sleeve pipe axially-movable, the inconsistent control fixed part in described abutting part and clamping section is flexible along sleeve pipe radial direction.
4. the double screw extruder for the production of powdery paints according to claim 3, it is characterized in that: described cooling bath and water-flowing trough cross section all rounded setting and diameter identical, described seal correspondence is set to cylindrical, described seal both ends of the surface are provided with seal groove, in described seal groove, are provided with sealing ring.
5. the double screw extruder for the production of powdery paints according to claim 4, is characterized in that: described driving shaft and power transmission shaft are all set to regular hexagon, described fixed part is regular hexagon.
6. the double screw extruder for the production of powdery paints according to claim 5, is characterized in that: on the internal face of described screw rod, be provided with shape of threads lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381519.4U CN203974036U (en) | 2014-07-11 | 2014-07-11 | For the production of the double screw extruder of powdery paints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381519.4U CN203974036U (en) | 2014-07-11 | 2014-07-11 | For the production of the double screw extruder of powdery paints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203974036U true CN203974036U (en) | 2014-12-03 |
Family
ID=51971517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420381519.4U Withdrawn - After Issue CN203974036U (en) | 2014-07-11 | 2014-07-11 | For the production of the double screw extruder of powdery paints |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203974036U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139509A (en) * | 2014-07-11 | 2014-11-12 | 玉石塑粉有限公司 | Double-screw extruder for producing powder coating |
| CN104842542A (en) * | 2015-04-07 | 2015-08-19 | 苏州普勒新材料有限公司 | Conveyor screw in extruder |
-
2014
- 2014-07-11 CN CN201420381519.4U patent/CN203974036U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139509A (en) * | 2014-07-11 | 2014-11-12 | 玉石塑粉有限公司 | Double-screw extruder for producing powder coating |
| CN104842542A (en) * | 2015-04-07 | 2015-08-19 | 苏州普勒新材料有限公司 | Conveyor screw in extruder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203974036U (en) | For the production of the double screw extruder of powdery paints | |
| CN210820836U (en) | Extruding mechanism of plastic extruder | |
| CN104139509B (en) | For the production of the double screw extruder of powdery paints | |
| CN208855031U (en) | Straight-through reducer pipe molding equipment | |
| CN101269540A (en) | Extrusion frame head for core rod rotating long glass fiber-reinforced plastics tube | |
| CN107839166B (en) | Rubber cold runner system | |
| CN104044254A (en) | Dedicated multilayer coextrusion die head for packaging film and packaging bag production | |
| CN203994419U (en) | Injection machine is without being detained plunger injection accumulator structure | |
| CN204322483U (en) | Screw rod for rubber extruder | |
| CN101332667A (en) | Long glass fiber-reinforced plastics pipe extruder head | |
| CN110696320A (en) | PVC pipe fitting injection molding machine | |
| CN207290865U (en) | Double screw extruder machine barrel | |
| CN102259417B (en) | Reducing net changing device for PVC (Poly Vinyl Chloride) plastic extruder | |
| CN205767389U (en) | A kind of double screw extruder making PET resin plastify completely | |
| CN104626483A (en) | Annular multi-screw mixing and injecting integrated forming machine | |
| CN106042324B (en) | A kind of opposed spiral short screw extruder | |
| CN205871132U (en) | Short screw extruder of opposition spiral | |
| CN206825879U (en) | Height is than moment of torsion augmentation of heat transfer with being kneaded plasticizing extruder | |
| CN202646854U (en) | Angle valve | |
| CN208084929U (en) | A kind of screw cylinder with cooling system | |
| CN208290437U (en) | A kind of good cross-head of fixed effect | |
| CN219058793U (en) | Silt solidification equipment | |
| CN204869590U (en) | Dual -screw extruder | |
| CN204160734U (en) | A kind of pipe mold being conducive to formation of tubes quality | |
| CN210501350U (en) | Double-screw extruder temperature control mechanism for preparing modified polypropylene material of electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20160525 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |