CN201186481Y - Central shaft static localization planet roll wheel extruding machine - Google Patents
Central shaft static localization planet roll wheel extruding machine Download PDFInfo
- Publication number
- CN201186481Y CN201186481Y CNU2008200568310U CN200820056831U CN201186481Y CN 201186481 Y CN201186481 Y CN 201186481Y CN U2008200568310 U CNU2008200568310 U CN U2008200568310U CN 200820056831 U CN200820056831 U CN 200820056831U CN 201186481 Y CN201186481 Y CN 201186481Y
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- China
- Prior art keywords
- central shaft
- running roller
- extruder
- roller extruder
- plug
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- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a planetary roller extrusion machine, in particular to a central shaft static positioning planetary roller extrusion machine, namely a planetary roller extrusion machine whose central shaft is arranged on the outlet end to support and position. The planetary roller extrusion machine comprises a rotary central shaft, a planetary rotating roller, a feed screw bolt, a power part, a discharge segment machine barrel and a feed segment machine barrel. The outlet end of the extrusion machine is provided with a positioning device and/or a central shaft which is used to support the central shaft end and is connected to a shaft coupling through a drive rod, and the inner cavity of the feed screw bolt is matched and connected with the outer circle of the drive rod. The planetary roller extrusion machine solves the problem that each meshing component is abraded because of the central shaft is suspended to support, and fills the blank that local overvoltage is not easy to be generated by the prior art.
Description
Technical field
The utility model relates to a kind of planet running roller extruder, particularly relates to a kind of central shaft static immobilization planet running roller extruder, and the planet running roller extruder of supporting location is just arranged at port of export central shaft.
Background technology
Planet running roller extruder is to have the central shaft of unsettled bearing rotation and planetary rotating shaft and running roller extruder around the machine barrel of rotating shaft.This running roller extruder is usually used in the plastics plasticizing, for example is used for the purpose of film production, and this running roller extruder is also referred to as thermoplastic formula running roller extruder.Planetary gear after generally having one to be contained in auger has the oblique engagement of great engagement width and 45 °.Axle around the central shaft rotation during central shaft rotation rolls and the roll extrusion on machine barrel in the outside.In this process, raw material sinks to corresponding perforation by intercepting and capturing by the axle tooth, and unit of plastic is rolled into thin layer and is fed forward because of oblique engagement.By repeating ironed and consequent machine barrel and the bigger heat exchange surface of central shaft, when the even dispersion of each hybrid element is fine, can cause the time of staying that plastic raw materials is short, thereby use the minimum energy to reach the thermal protection plasticizing.By the oblique engagement of TP tourelle, make device even like this to thermo-sensitive material, generally also can not produce precipitation further from clean.Locating snap ring has limited the axially-movable of axle when operation.By changing the internal diameter of locating snap ring, stagnation pressure (being the time of staying) thereby, material temperature can change with plasticizing effect and adapt to different recipients and material casting condition.As the raw material fritter surface of coming out splits, and then raw material has carried out the good degassing.Can change and heat the plasticizing that influences this equipment by consumption, rotating speed and the number of axle.
The structure of conventional planet running roller extruder is, feed worm is supported by shaft coupling, and central shaft pushes feed worm and is connected with it by pull bar.The shortcoming of this conventional structure of planet running roller extruder is between the interface of planet running roller spare and central shaft and screw rod an accurate tie point to be arranged.And central shaft is unsettled support with screw rod, that is, central shaft pushes raw material by screw rod, deflection conditionally, thus and continuously change the intervening act of engagement.In addition, the gap between gap in the planet running roller spare and feed worm and the feeding cylinder differs 0.5 millimeter at least, general like this can causing, and the feed worm load of running roller spare top is big especially, the angle pressure of allowed band occurs exceeding.At this tie point zone feed worm significant wearing and tearing are arranged, galling is arranged sometimes, influence the outward appearance of plastic raw materials.Plastic raw materials when calendering such as metal fillings etc. can damage stack, increase the hole count in the film.By increasing screw clearance, central shaft in the possible feed zone can break away from and finally cause very serious engagement fault gradually, to such an extent as to engagement occurring clamps, that is to say, here can produce local overvoltage, cause impression occurring in the engagement or the flank of tooth, this impression finally causes the damage of the permanent damage of running roller spare and hunting gear, stack by the alternating bending pressure that continues.In addition, the shortcoming of the bearing arrangement that central shaft is unsettled is, this axle offset and the very big wearing and tearing that cause meshing tube can cause running roller spare to break down in advance at last when rotating speed was big.The danger of the extruder that size is big, rotating speed is higher is big especially.
Summary of the invention
The purpose of this utility model provides a kind of planet running roller extruder, and a kind of central shaft static immobilization planet running roller extruder particularly is provided, and the planet running roller extruder of supporting location is just arranged at port of export central shaft.Solve the wear problems that central shaft unsettled support causes each meshing part, remedied the deficiency that prior art is easy to generate local overvoltage.
A kind of central shaft static immobilization planet running roller extruder of the present utility model, comprise the central shaft of rotation, planetary rotation running roller 9, feed worm, power section 1, discharging section machine barrel 3 and feed zone machine barrel 2, the positioner and/or the central shaft 35 that are provided with centre of support axle 35 ends at the outlet of extruder end are connected to shaft coupling 5 by drive link 36, and feed worm 37 inner chambers cooperate connection with drive link 36 cylindricals.
As optimized technical scheme:
Aforesaid a kind of central shaft static immobilization planet running roller extruder, wherein, described positioner is fixed on the extruder discharging section machine barrel (3), and positioner can be swung.
Aforesaid a kind of central shaft static immobilization planet running roller extruder, wherein, described positioner main body is an open column shape cylindrical shell, and bearing is installed in the cylindrical shell, and end cover is arranged before and after the cylindrical shell.
Aforesaid a kind of central shaft static immobilization planet running roller extruder, wherein, described positioner has a rotatable plug 28, and plug 28 is installed in the bearing of positioner, and connects with central shaft 35; Connecting mode can be that plug 28 inserts central shaft 35 outlet stomidiums, and perhaps plug 28 and central shaft 35 connect by connector 34.
Aforesaid a kind of central shaft static immobilization planet running roller extruder, wherein, described plug 28 is the mandrel structures that axially have toughness.
Aforesaid a kind of central shaft static immobilization planet running roller extruder, wherein, described axial toughness is made of the support that a cod reaches by its spring leaf group.
Aforesaid a kind of central shaft static immobilization planet running roller extruder wherein, is provided with conical surface between described connector 34 and the plug 28 and between connector 34 and the central shaft 35.
Aforesaid a kind of central shaft static immobilization planet running roller extruder, wherein, there is seal 42 in the slit between described central shaft 35 and the feed worm 37.
Aforesaid a kind of central shaft static immobilization planet running roller extruder, wherein, described feed worm 37 inner chambers cooperate connection with drive link 36 cylindricals by nut 38 and feather key 39.
To realize having the positioner of a centre of support axle head and/or central shaft to be connected to shaft coupling by drive link at the outlet of extruder end after using the utility model, the feed worm inner chamber cooperates connection with the drive link cylindrical.Therefore, central shaft is fixed in the outlet side end.The central shaft and the standard between the feed worm that have in the conventional running roller extruder connect cancellation, because central shaft can connect feed worm, and extend to the gear pin place always.So just finished the static immobilization of this device.
Particularly advantageous is that positioner on the extruder discharging section machine barrel can be swung.Positioner can forward on one side like this, can clean the extruder discharging opening then.After using the utility model, the stretching, extension of the length that certainly leads to because of the temperature difference will obtain balance by the toughness setting of bearing or the toughness of bearing.If realize then better by the spring leaf group.Use is located at the plug in the bearing shell that has two bearings spaced apart from each other, for the construction advantageous particularly.Plug can be selected to be with the axle collar of spring to support from the back side or with the shaft shoulder or with one.Sliding bearing in the middle of spring can be positioned at by one or rolling or spherical bearing are fixed on the plug, and be very useful.Plug stretches into the opening of central shaft outlet side by a tip or around the tip of central shaft.Also can be chosen in a connector is installed between plug and the central shaft.Placed in the middle in plug in view of central shaft, in a side, and connector and central shaft are good at opposite side with the conical contact face between plug and the central shaft.Conical contact face is placed in the middle automatically.
By central shaft being extended to shaft coupling always according to the utility model, being connected of strong and shape decision between feed worm and the central shaft, transmit stressedly to feed worm, for example the nut spring connects.Nut is arranged in feed worm in the topology example, and feather key is arranged in the central shaft.Can prevent to infiltrate thermoplastic in the slit between central shaft and the feed worm by sealing in addition.
The beneficial effects of the utility model are:
A kind of central shaft static immobilization planet running roller extruder of the present utility model reaches bending stiffness preferably in the transition region of screw rod and central shaft, significantly reduces the wearing and tearing of each meshing part and specific excessive use.The utility model structure uniqueness, result of use is good, and it is even to extrude raw material, good mixing effect.
Description of drawings
Fig. 1 is the structural representation of conventional planet running roller extruder
Fig. 2 is the structural representation of a kind of central shaft static immobilization of the utility model planet running roller extruder
Fig. 3 is the structural representation of positioner swing mechanism of the present utility model
Wherein 1 is that power section 2 is that feed zone machine barrel 3 is discharging section machine barrels
The 4th, the feed worm 5 of conventional running roller extruder is that shaft coupling 6 is pins
The 7th, the central shaft 8 of conventional running roller extruder is that to take out tube 9 are planetary rotation running rollers
The 10th, locating snap ring 11 is that slit 12 is that feed(raw material)inlet 13 is strong points one
The 14th, the strong point 2 20 is that bearing shell 21 is that suspension ring 22 are swing flanges
The 23rd, bolt 24 is that mounting hole 25 is that mobile arrow 26 is swing arrows
The 27th, flange 28 is that plug 29 is that bearing 1 is that bearing 2 31 is cods
The 32nd, spring leaf 33 is that end 34 is that connector 35 is central shafts
The 36th, drive link 37 is that feed worm 38 is that nut 39 is that feather key 40 is fulcrums one
The 41st, fulcrum 2 42 is seals
The specific embodiment
Below in conjunction with the specific embodiment, will compare according to the running roller extruder of running roller extruder of the present utility model with routine, further set forth the present invention.
As shown in Figure 1, for having the conventional running roller extruder of a power section 1, this power section is furnished with the CD-ROM drive motor that does not show among the figure.Two machine barrels 2 and 3 are housed on the gear casing.Machine barrel 2 and 3 arrangement that is in line is tightly connected.Machine barrel 2 contains a feed worm 4.Feed worm 4 one ends are positioned on the shaft coupling 5, and the other end contains the pin 6 of central shaft 7.End by being fixed on central shaft 7 in the pin 6 or that belong to pin 6 with screw take out tube 8, feed worm 4 on central shaft 7 and central shaft 7 be pulled to shaft coupling 5 together.Running roller 9 rotates around central shaft 7 with planetary when extruder is worked.Running roller 9 roll extrusion on central shaft and machine barrel 3.Axle 9 the axially-movable of planetary rotation is by the restriction at the feed worm 4 of another port of export of locating snap ring 10 of outlet of extruder end and running roller 9.A slit 11 is arranged between locating snap ring 10 and the central shaft heads 7, and it forms the pressure in the extruder has decisive role.Feed(raw material)inlet on the extruder is designated as 12.The strong point of above-mentioned caused fault is designated as 13 and 14.It can also be seen that central shaft material outlet side end is unsettled.
According to Fig. 1, the above wear phenomenon of known extruder can be eliminated by the modification of structure, as shown in Figure 2.The running roller extruder also can Fig. 2 and 3 in visible form production.According to Fig. 2 and 3, a rotating positioner is arranged on the discharging section machine barrel 3, this positioner is the open column shape cylindrical shell, cylindrical shell forms bearing shell 20.The setting that can swing is made of flange 22 and suspension ring 21 and a bolt 23.Be fixed on the bearing shell 20 suspension ring 21 round the band mounting hole 24 bolt 23.Mounting hole allow that arrow 25 marks swinging back and forth that the axial pull motion of central shaft 7 and arrow 26 mark.Bearing shell 20 under the duty of extruder with discharging section machine barrel 3 on flange 27 usefulness bolts tighten.The position 20 of bearing shell includes a plug 28, relies on bearing 29 and 30 to carry out rotating support by two positions spaced apart from each other on bearing shell 20.Axial action is received by a cod 31 in the power of plug 28, thereby by the 32 groups of supports of spring leaf in the bearing shell 20.Plug 28 has one from the end 33 that bearing shell 20 stretches out, and it is round a novel connector 34.Connector 34 is taper, is tapered forward.Because round the novel connector 34 of plug end 33, the gap that the formation of pressure is had decisive action is made up of flange 27, locating snap ring 10 and plug end 33 now.Extruder is no longer axially discharging after this, but the outlet by moving vertically.According to Fig. 2 and 3, central shaft is different from the form of central shaft 7 in addition in addition.Be designated as among Fig. 2 and 3 that 35 central shaft has until the drive link 36 of shaft coupling, feed worm 37 inner chambers cooperate connection with drive link 36 cylindricals.The feed worm 4 of feed worm 37 of the present utility model and conventional running roller extruder is compared except endoporus is big, different with being connected of central shaft identical.New connection between drive link 36 and the feed worm 37 is by nut 38 and feather key 39 expressions.Different with conventional running roller extruder, this running roller extruder has fulcrum 40 and 41 according to Fig. 2 and 3, and fulcrum 40 is positioned on the shaft coupling, and fulcrum 41 is positioned at the central shaft end.Compared with in the past unsettled central shaft support like this, its support is extremely stable, seldom rocks.In addition, the gap between the feed worm of the drive link 36 of connection central shaft 35 and band seal 42 is sealed.Here usefulness is the sealing ring of using always.
Through evidence, the utility model has solved the wear problems that central shaft unsettled support causes each meshing part really, has remedied the deficiency that prior art is easy to generate local overvoltage.
Claims (9)
1. central shaft static immobilization planet running roller extruder, the central shaft, planetary rotation running roller (9), feed worm, power section (1), discharging section machine barrel (3) and the feed zone machine barrel (2) that comprise rotation, it is characterized in that: the positioner and/or the central shaft (35) that are provided with a centre of support axle (35) end at the outlet of extruder end are connected to shaft coupling (5) by drive link (36), and feed worm (37) inner chamber cooperates connection with drive link (36) cylindrical.
2. a kind of central shaft static immobilization planet running roller extruder as claimed in claim 1 is characterized in that described positioner is fixed on the extruder discharging section machine barrel (3), and positioner can be swung.
3. a kind of central shaft static immobilization planet running roller extruder as claimed in claim 1 is characterized in that described positioner main body is an open column shape cylindrical shell, and bearing is installed in the cylindrical shell, and end cover is arranged before and after the cylindrical shell.
4. as claim 1 or 2 or 3 described a kind of central shaft static immobilization planet running roller extruders, it is characterized in that described positioner has a rotatable plug (28), plug (28) is installed in the bearing of positioner, and connects with central shaft (35); Connecting mode can be that plug (28) inserts central shaft (35) outlet stomidium, and perhaps plug (28) and central shaft (35) connect by connector (34).
5. a kind of central shaft static immobilization planet running roller extruder as claimed in claim 4 is characterized in that described plug (28) is the mandrel structure that axially has toughness.
6. a kind of central shaft static immobilization planet running roller extruder as claimed in claim 5 is characterized in that described axial toughness is made of the support that a cod reaches by its spring leaf group.
7. a kind of central shaft static immobilization planet running roller extruder as claimed in claim 4 is characterized in that being provided with conical surface between described connector (34) and the plug (28) and between connector (34) and the central shaft (35).
8. a kind of central shaft static immobilization planet running roller extruder as claimed in claim 1 is characterized in that there is seal (42) in the slit between described central shaft (35) and the feed worm (37).
9. a kind of central shaft static immobilization planet running roller extruder as claimed in claim 1 is characterized in that described feed worm (37) inner chamber cooperates connection with drive link (36) cylindrical by nut (38) and feather key (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200568310U CN201186481Y (en) | 2008-04-01 | 2008-04-01 | Central shaft static localization planet roll wheel extruding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200568310U CN201186481Y (en) | 2008-04-01 | 2008-04-01 | Central shaft static localization planet roll wheel extruding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201186481Y true CN201186481Y (en) | 2009-01-28 |
Family
ID=40309496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200568310U Expired - Fee Related CN201186481Y (en) | 2008-04-01 | 2008-04-01 | Central shaft static localization planet roll wheel extruding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201186481Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001170A (en) * | 2010-03-12 | 2011-04-06 | 北京化工大学 | High molecular material balanced extruder and axial force balancing method thereof |
-
2008
- 2008-04-01 CN CNU2008200568310U patent/CN201186481Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001170A (en) * | 2010-03-12 | 2011-04-06 | 北京化工大学 | High molecular material balanced extruder and axial force balancing method thereof |
| CN102001170B (en) * | 2010-03-12 | 2013-11-20 | 北京化工大学 | High molecular material balanced extruder and axial force balancing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Entex International Trading (Shanghai) Co.,Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Entex International Trading (Shanghai) Co.,Ltd. Document name: Notification of Termination of Patent Right |
|
| 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: 20090128 Termination date: 20160401 |