CN102338080A - Melt pump - Google Patents
Melt pump Download PDFInfo
- Publication number
- CN102338080A CN102338080A CN2011101238668A CN201110123866A CN102338080A CN 102338080 A CN102338080 A CN 102338080A CN 2011101238668 A CN2011101238668 A CN 2011101238668A CN 201110123866 A CN201110123866 A CN 201110123866A CN 102338080 A CN102338080 A CN 102338080A
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- Prior art keywords
- transmission shaft
- pressure wheel
- melt
- axis
- movable block
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Abstract
The invention discloses a melt pump which comprises a pump body, an upper pinch roller, a lower pinch roller and a driving wheel actuating unit, wherein the upper pinch roller and the lower pinch roller are mutually meshed and are arranged in the pump body; the driving wheel actuating unit is positioned in the pump body, and comprises a first transmission shaft, a second transmission shaft and a pair of meshing gears; the first transmission shaft and the upper pinch roller are connected; the second transmission shaft and the lower pinch roller are connected; and the first transmission shaft and the second transmission shaft are connected through the pair of meshing gears. According to the invention, a dual-driving-wheel structure is adopted, the first transmission shaft and the second transmission shaft are connected by virtue of the meshing gears, the constant-speed rotation of the upper pinch wheel and the lower pinch wheel is realized, steady pressure can be provided when the melt pump extrudes melt, and the melt pump accords with the parameter requirements such as high accuracy and the like for the modern industry.
Description
Technical field
The present invention relates to a kind of Melt Pump, belong to the high-viscosity melt processing technique field.
Background technique
Melt Pump is as a kind of important tool of high-viscosity melt processing, and its precision requires very high with clean degree.At present; Most of Melt Pump all are separate more again the gear pump of intermeshed gear composition when comprising the pump housing with a pair of the relatively rotating that place in the pump housing gradually; Through a transmission shaft driving wheel of gear pump is linked to each other with motor shaft again; Rotate through the driven by motor driving wheel, make the driving wheel of gear pump and the melt in the follower extruding pump housing, make melt meet the industrial requirements such as pressure precision of industrial processes.But driving wheel and follower exist error on rotating speed, and the pressure precision when making melt push out is not high, does not meet industrial requirements.And the gear of the gear pump of most of Melt Pump adopts has the gear structure, and when gear rotated the extruding melt, melt can be piled up the position, dead angle on the gear teeth on the gear, made melt that aging, signs of degradation take place easily, influenced the quality of melt.
Summary of the invention
The present invention provides a kind of pressure stability, melt totally to spend high Melt Pump in order to overcome the deficiency that existing technology exists.
The present invention can be achieved through taking following technological scheme:
A kind of Melt Pump comprises the pump housing, upper pressure wheel, lower pressure wheel, and said upper pressure wheel and lower pressure wheel are meshing with each other and place in the pump housing; This Melt Pump also comprises the driving wheel power mechanism; Said driving wheel power mechanism is positioned at the pump housing, and it comprises first transmission shaft, second transmission shaft and pair of engaged gears, and said first transmission shaft links to each other with the upper pressure wheel axle; Said second transmission shaft with press down wheel shaft and link to each other, through this engaging gear is linked to each other between said first transmission shaft and second transmission shaft.
On the basis of the above; The said pump housing comprises and interconnects extrusion chamber and power house; Said upper pressure wheel and lower pressure wheel are positioned at extrusion chamber; Said driving wheel power mechanism is positioned at power house, and said upper pressure wheel links to each other with first transmission shafts through first axis of a movable block, and said lower pressure wheel links to each other with second transmission shafts through second axis of a movable block;
Said first axis of a movable block runs through upper pressure wheel and its two end supports on the two side of extrusion chamber, and said second axis of a movable block runs through lower pressure wheel and its two end supports on the two side of extrusion chamber; The two end supports of said first transmission shaft is on the two side of power house, and the one of which end links to each other with an end axle of first axis of a movable block, and the two end supports of said second transmission shaft is on the two side of power house, and the one of which end links to each other with an end axle of second axis of a movable block;
All link to each other between said first transmission shaft and first axis of a movable block, second transmission shaft and second axis of a movable block through connector shaft;
The contacting point of said first transmission shaft, second transmission shaft, first axis of a movable block, second axis of a movable block and the pump housing is equipped with bearing, has reduced the friction between transmission shaft, the axis of a movable block and the pump housing.
The present invention does further improvement: said upper pressure wheel and lower pressure wheel are no gear, and are the no gear of involute meshing engagement structure or three sections circular curve structures.
The present invention does further improvement: the melt inlet place of the said pump housing and melt outlet port are equipped with temperature measuring equipment and meter pressure device, and the temperature and pressure of melt is monitored, and conveniently Melt Pump are regulated control; Be provided with heating/cooling unit in the extrusion chamber of the said pump housing, can realize the temperature of melt is regulated.
Compared with prior art; The invention has the beneficial effects as follows: the present invention adopts two driving wheel structures, adopts engaging gear to be connected between first transmission shaft and second transmission shaft, has realized the rotation of upper pressure wheel and lower pressure wheel constant speed; Make Melt Pump when the extruding melt, pressure stable can be provided; Meet parameter requests such as modern industry highi degree of accuracy, simultaneously, the downforce that goes up of the present invention all adopts anodontia gear structure; Having avoided tradition has the place, gear dead angle position of gear to have melt to pile up and phenomenons such as the melt ageing that causes, degraded, has improved the clean degree of melt.In addition, no gear of the present invention adopts involute meshing engagement structure or three sections circular curve structures, can regulate the melt volume in the pump housing.
Description of drawings
Fig. 1 is the structural representation of Melt Pump of the present invention;
Fig. 2 is the left view of the A-A direction among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing most preferred embodiment of the present invention is described in detail.
Like Fig. 1, shown in Figure 2; Melt Pump of the present invention comprises the pump housing 1, upper pressure wheel 2, lower pressure wheel 3, and said upper pressure wheel 2 is meshing with each other with lower pressure wheel 3 and places in the pump housing 1; This Melt Pump also comprises driving wheel power mechanism 4; Said driving wheel power mechanism 4 is positioned at the pump housing 1, and it comprises first transmission shaft 5, second transmission shaft 6 and pair of engaged gears 7, and said first transmission shaft 5 links to each other with 2 of upper pressure wheels; Said second transmission shaft 6 links to each other with 3 of lower pressure wheels, through this engaging gear 7 is linked to each other between said first transmission shaft 5 and second transmission shaft 6.On the basis of the above; The said pump housing 1 comprises and interconnects extrusion chamber 1-1 and power house 1-2; Form a junction chamber 1-3 between extrusion chamber 1-1 and the power house 1-2; Said upper pressure wheel 2 is positioned at extrusion chamber 1-1 with lower pressure wheel 3, and said driving wheel power mechanism 4 is positioned at power house 1-2, and said upper pressure wheel 2 links to each other with first transmission shafts 5 through first axis of a movable block 8; This first axis of a movable block 8 runs through upper pressure wheel 2 and its two end supports on the two side of extrusion chamber 1-1, and has an end to pass extrusion chamber 1-1 to reach in the junction chamber 1-3; Said lower pressure wheel 3 links to each other with 6 of second transmission shafts through second axis of a movable block 9; This second axis of a movable block 9 runs through lower pressure wheel 3 and its two end supports on the two side of extrusion chamber 1-1, and has an end to pass extrusion chamber 1-1 to reach in the junction chamber 1-3.
The two end supports of said first transmission shaft 5 is on the two side of power house 1-2; And the one of which end passes power house 1-2 and reaches in the junction chamber 1-3; 1-3 links to each other with an end axle of first axis of a movable block 8 through connector 10 in junction chamber; The other end that its other end passes power house 1-2 stretches out that power house 1-2 is outer to be connected with motor shaft, through 5 rotations of motor band transmission shaft; The two end supports of said second transmission shaft 6 is on the two side of power house 1-2, and the one of which end passes power house 1-2 and reach in the junction chamber 1-3, in junction chamber 1-3, links to each other with an end axle of second axis of a movable block 9 through connector 9.Engaging gear 7 is positioned at power house 1-2, and first transmission shaft 5 runs through this to the cogging of engaging gear 7, and second transmission shaft 6 runs through this lower gear to engaging gear 7, and first transmission shaft 5 is connected engaging gear 7 through this with second transmission shaft 6 synchronously.
In order to reduce the friction of transmission shaft, the axis of a movable block and the pump housing, first transmission shaft 5 according to the invention, second transmission shaft 6, first axis of a movable block 8, second axis of a movable block 9 are equipped with bearing 11 with the contacting point of the pump housing 1.
When driven by motor first transmission shaft rotates; Because first transmission shaft and second transmission shaft link together through pair of engaged gears; Second transmission shaft also rotates thereupon; First transmission shaft and second transmission shaft drive upper pressure wheel through first axis of a movable block and the second motion wheel shaft respectively and lower pressure wheel relatively rotates, and the melt at pump housing melt inlet place is expressed to the melt outlet port.Upper pressure wheel and lower pressure wheel are constant speed, make Melt Pump when the extruding melt, pressure stable can be provided, and meet parameter requests such as modern industry highi degree of accuracy.
For ease to the temperature and pressure of the melt in the pump housing; Realization is controlled precision such as the pressure of melt, temperature; The melt inlet 1-4 place of the pump housing 1 according to the invention and melt outlet 1-5 place are equipped with temperature measuring equipment 12 and meter pressure device 13; This temperature measuring equipment 12 can adopt the thermometric devices such as temperature transducer of transmission, this meter pressure device 13 can adopts pressure sensor etc. the pressure measurement device, temperature transducer and pressure transducer all with outer electric linking to each other of master controller of Melt Pump; Be provided with heating/cooling unit 14 in the extrusion chamber 1-1 of the said pump housing 1, this heating/cooling unit 14 can be heating/water-cooling tube, through the monitoring of temperature measuring equipment to the temperature of melt in the pump housing, regulates the temperature of water in the water pipe, and melt is played heating/cooling action.
The above person of thought; Be merely the present invention's preferred embodiment; When the scope that can not limit the present invention's enforcement with this; The content of promptly putting down in writing according to claim of the present invention and description of the invention has generally been done simple equivalent and has been changed and modify, and all still belongs within the claim of the present invention institute covering scope.In addition, summary part and title only are the usefulness that is used for assisting the patent document search, are not the interest field that is used for limiting the present invention.
Claims (10)
1. Melt Pump; Comprise the pump housing (1), upper pressure wheel (2), lower pressure wheel (3); Said upper pressure wheel (2) and lower pressure wheel (3) are meshing with each other and place in the pump housing (1), it is characterized in that also comprising driving wheel power mechanism (4), and said driving wheel power mechanism (4) is positioned at the pump housing (1); It comprises first transmission shaft (5), second transmission shaft (6) and pair of engaged gears (7); Said first transmission shaft (5) and upper pressure wheel (2) axle links to each other, and said second transmission shaft (6) and lower pressure wheel (3) spool link to each other, and through this engaging gear (7) is linked to each other between said first transmission shaft (5) and second transmission shaft (6).
2. Melt Pump according to claim 1; It is characterized in that the said pump housing (1) comprises interconnects extrusion chamber (1-1) and power house (1-2); Said upper pressure wheel (2) and lower pressure wheel (3) are positioned at extrusion chamber (1-1); Said driving wheel power mechanism (4) is positioned at power house (1-2), and said upper pressure wheel (2) links to each other with first transmission shafts (5) through first axis of a movable block (8), and said lower pressure wheel (3) links to each other with second transmission shaft (6) axle through second axis of a movable block (9).
3. Melt Pump according to claim 2; It is characterized in that said first axis of a movable block (8) runs through upper pressure wheel (2) and its two end supports on the two side of extrusion chamber (1-1), said second axis of a movable block (9) runs through lower pressure wheel (3) and its two end supports on the two side of extrusion chamber (1-1).
4. Melt Pump according to claim 3; The two end supports that it is characterized in that said first transmission shaft (5) is on the two side of power house (1-2); And the one of which end links to each other with an end axle of first axis of a movable block (8); The two end supports of said second transmission shaft (6) is on the two side of power house (1-2), and the one of which end links to each other with an end axle of second axis of a movable block (9).
5. Melt Pump according to claim 4 is characterized in that all linking to each other through connector (10) axle between said first transmission shaft (5) and first axis of a movable block (8), second transmission shaft (6) and second axis of a movable block (9).
6. Melt Pump according to claim 5 is characterized in that said first transmission shaft (5), second transmission shaft (6), first axis of a movable block (8), second axis of a movable block (9) are equipped with bearing (11) with the contacting point of the pump housing (1).
7. according to each described Melt Pump in the claim 1 to 6, it is characterized in that said upper pressure wheel (2) and lower pressure wheel (3) are no gear.
8. Melt Pump according to claim 7 is characterized in that said upper pressure wheel (2) and lower pressure wheel (3) the no gear for involute meshing engagement structure or three sections circular curve structures.
9. Melt Pump according to claim 1 is characterized in that the melt inlet (1-4) of the said pump housing (1) is located to locate to be equipped with temperature measuring equipment (12) and meter pressure device (13) with melt outlet (1-5).
10. Melt Pump according to claim 1 is characterized in that being provided with heating/cooling unit (14) in the extrusion chamber (1-1) of the said pump housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101238668A CN102338080A (en) | 2011-05-13 | 2011-05-13 | Melt pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101238668A CN102338080A (en) | 2011-05-13 | 2011-05-13 | Melt pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102338080A true CN102338080A (en) | 2012-02-01 |
Family
ID=45513981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101238668A Pending CN102338080A (en) | 2011-05-13 | 2011-05-13 | Melt pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102338080A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5316460A (en) * | 1991-12-06 | 1994-05-31 | Japan Crown Cork Co., Ltd. | Synthetic resin material feeding apparatus and sealing liner forming system |
| JPH06320601A (en) * | 1993-05-12 | 1994-11-22 | Japan Steel Works Ltd:The | Gear pump |
| EP1192037B1 (en) * | 1999-06-18 | 2002-12-11 | STARLINGER & CO. GESELLSCHAFT MBH | Device for degasifying a melt |
| CN101265899A (en) * | 2008-04-16 | 2008-09-17 | 大连橡胶塑料机械股份有限公司 | Double drive large displacement smelt gear pump |
| CN201212474Y (en) * | 2008-07-31 | 2009-03-25 | 哈尔滨理工大学 | High viscosity polymer melt pump |
-
2011
- 2011-05-13 CN CN2011101238668A patent/CN102338080A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5316460A (en) * | 1991-12-06 | 1994-05-31 | Japan Crown Cork Co., Ltd. | Synthetic resin material feeding apparatus and sealing liner forming system |
| JPH06320601A (en) * | 1993-05-12 | 1994-11-22 | Japan Steel Works Ltd:The | Gear pump |
| EP1192037B1 (en) * | 1999-06-18 | 2002-12-11 | STARLINGER & CO. GESELLSCHAFT MBH | Device for degasifying a melt |
| CN101265899A (en) * | 2008-04-16 | 2008-09-17 | 大连橡胶塑料机械股份有限公司 | Double drive large displacement smelt gear pump |
| CN201212474Y (en) * | 2008-07-31 | 2009-03-25 | 哈尔滨理工大学 | High viscosity polymer melt pump |
Non-Patent Citations (1)
| Title |
|---|
| 李旭东等: "双驱动熔体泵性能与齿轮结构的参数化设计", 《塑料》, vol. 38, no. 5, 31 May 2009 (2009-05-31), pages 105 - 107 * |
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Application publication date: 20120201 |