CN201080914Y - Double screw rod vacuum fluid pump - Google Patents
Double screw rod vacuum fluid pump Download PDFInfo
- Publication number
- CN201080914Y CN201080914Y CNU2007200966489U CN200720096648U CN201080914Y CN 201080914 Y CN201080914 Y CN 201080914Y CN U2007200966489 U CNU2007200966489 U CN U2007200966489U CN 200720096648 U CN200720096648 U CN 200720096648U CN 201080914 Y CN201080914 Y CN 201080914Y
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- China
- Prior art keywords
- bearing
- driven shaft
- driven
- twin
- fluid pump
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a double-screw vacuum fluid pump, comprising a pump casing, a discharge hole formed on the front part of the pump casing and a feed inlet formed on the rear part of the pump casing, wherein the pump casing is provided inside with a drive shaft and a drive spiral formed on the drive shaft, and a driven shaft and a driven spiral formed on the driven shaft. The front end of the pump casing is connected with a front bearing block in which a bearing is embedded, and one end of the drive shaft and one end of the driven shaft are respectively supported on the bearing; the rear end of the pump casing is connected with a rear bearing block in which a bearing is embedded, and the other ends of the drive shaft and the driven shaft are respectively supported on the bearing. The utility model is low in cost, simple in structure, easy to use, capable of delivering various fluids under absolute vacuum (0.1 Pa) condition, widely used in processes such as molecular distillation, liquid deaeration, etc. and in fields such as food, food additives, health products, fine chemical products, biological product, medicine, etc.
Description
Technical field
The utility model relates to a kind of fluid delivery system, particularly relates to a kind of twin-screw vacuum fluid pump that can normally carry various fluids under the state of import absolute vacuum.
Background technique
Along with constantly applying of molecular distillation technique, the manufacturing of a lot of food, food additive, health products, fine chemical product, biological products and medicine need be extracted under vacuum state; Simultaneously, the drying of some chemical product, food, deaeration are all finished under vacuum dress attitude.Urgent need can be at the pump of conveyance fluid under the vacuum state at present.
External mug(unit of measure) company takes the lead in releasing a kind of gear pump, can be at conveyance fluid under the absolute vacuum.But price is quite expensive.
Summary of the invention
Technical problem to be solved in the utility model is, provide a kind of can be under absolute vacuum (0.1Pa) condition, normal conveyance fluid comprises: screw pump import vacuum, outlet vacuum; The twin-screw vacuum fluid pump of screw pump import vacuum, outlet malleation.
The technological scheme that the utility model adopted is: a kind of twin-screw vacuum fluid pump includes pump case, is formed on the discharge port of pump case front portion and is formed on the material feeding mouth at pump case rear portion; In pump case, be provided with: driving shaft and be formed on active spiral on the driving shaft; Driven shaft and be formed on driven spiral on the driven shaft; Be connected with front-end bearing pedestal at the pump case front end, be inlaid with bearing in the front-end bearing pedestal, an end of described driving shaft, driven shaft is supported on respectively on the bearing; Be connected with rear bearing block at the pump case tail end, be inlaid with bearing in rear bearing block, the other end of described driving shaft, driven shaft is supported on the bearing respectively.
The front end of described front-end bearing pedestal also is equipped with protecgulum.
Also embedding between described rear bearing block and driving shaft and the driven shaft has sealing to contain.
Also embedding between described front-end bearing pedestal and driving shaft and the driven shaft has sealing to contain.
A described end that is supported on the driving shaft on the bearing connects driving mechanism.
Described driving mechanism is selected a kind of in the motor and speed reducer for use.
The described driven shaft that is supported on the bearing is driven by two synchromesh gears, wherein, a synchromesh gear is connected with the other end of the driving shaft that is connected driving mechanism, another synchromesh gear links to each other with driven shaft, and in the gear-box that two synchromesh gears are set at with being meshing with each other with rear bearing block links to each other.
Described active spiral does not contact mutually with driven spiral.
Between containing, the sealing of described driving shaft, driven shaft and corresponding connection with it respectively also is provided with mechanical seal.
Twin-screw vacuum fluid pump of the present utility model, cost is low, simple in structure, easy to use, can be under absolute vacuum (0.1Pa) condition, the various fluids of normal conveying are widely used in links such as molecular distillation, liquid defoaming, can be applicable to fields such as food, food additive, health products, fine chemical product, biological products and medicine.
Description of drawings
Fig. 1 is an internal structure schematic representation of the present utility model.
Wherein:
1: gear-box 2: synchromesh gear
3: bearing 4: rear bearing block
5: mechanical seal 6: sealing contains
7: material feeding mouth 8: pump case
9: active spiral 10: discharge port
12: mechanical seal 13: front-end bearing pedestal
14: bearing 15: protecgulum
16: sealing 17: main shaft
18: synchromesh gear 19: bearing
20: mechanical seal 21: driven spiral
22: mechanical seal 23: bearing
24: driven shaft 25: sealing contains
Embodiment
Provide specific embodiment below in conjunction with accompanying drawing, further specify twin-screw vacuum fluid pump of the present utility model and how to realize.
As shown in Figure 1, twin-screw vacuum fluid pump of the present utility model includes pump case 8, is formed on the discharge port 10 of pump case 8 front portions and is formed on the material feeding mouth 7 at pump case 8 rear portions; It is characterized in that, in pump case 8, be provided with: driving shaft 17 and be formed on active spiral 9 on the driving shaft 17, driven shaft 24 and be formed on driven spiral 21 on the driven shaft 24, described active spiral 9 does not contact mutually with driven spiral 21; Be connected with front-end bearing pedestal 13 at pump case 8 front ends, be inlaid with bearing 14,23 in the front-end bearing pedestal 13, one end of described driving shaft 17, driven shaft 24 is supported on respectively on the bearing 14,23, front end at front-end bearing pedestal 13 also is equipped with protecgulum 15, one end of driving shaft 17 runs through protecgulum 15 and connects driving mechanism, and described driving mechanism is selected motor or speed reducer for use; Be connected with rear bearing block 4 at pump case 8 tail ends, be inlaid with bearing 3,19 in rear bearing block 4, the other end of described driving shaft 17, driven shaft 24 is supported on respectively on the bearing 3,19.
Also embedding between rear bearing block 4 and driving shaft 17 and driven shaft 24 has sealing to contain 6.Also embedding between front-end bearing pedestal 13 and driving shaft 17 and driven shaft 24 has sealing to contain 25.
Between containing 6,25, the sealing of described driving shaft 17, driven shaft 24 and corresponding connection with it respectively also is provided with mechanical seal 5,12,20,22.
The described driven shaft 24 that is supported on the bearing 19,23 is to be driven by two synchromesh gears 2,18, wherein, a synchromesh gear 2 is connected with the other end of the driving shaft 17 that is connected driving mechanism, another synchromesh gear 18 links to each other with driven shaft 24, and two synchromesh gears 2,18 are set in the gear-box 1 that links to each other with rear bearing block 4 with being meshing with each other.
The working principle of the utility model twin-screw vacuum fluid pump is: fluid is entered in the pump housing by material feeding mouth 7, initiatively spiral 9 and driven spiral 21 rotate under the driving of motor or drive unit, and initiatively spiral 9 and 21 rotations of driven spiral are pushed into fluid the discharge port 10 of pump continuously.
Claims (9)
1. twin-screw vacuum fluid pump includes pump case (8), is formed on the discharge port (10) of pump case (8) forward part and is formed on the material feeding mouth (7) of pump case (8) rear section; It is characterized in that, in pump case (8), be provided with: driving shaft (17) and be formed on active spiral (9) on the driving shaft (17); Driven shaft (24) and be formed on driven spiral (21) on the driven shaft (24); Be connected with front-end bearing pedestal (13) at pump case (8) front end, be inlaid with bearing (14,23) in the front-end bearing pedestal (13), an end of described driving shaft (17), driven shaft (24) is supported on respectively on the bearing (14,23); Be connected with rear bearing block (4) at pump case (8) tail end, be inlaid with bearing (3,19) in rear bearing block (4), the other end of described driving shaft (17), driven shaft (24) is supported on respectively on the bearing (3,19).
2. twin-screw vacuum fluid pump according to claim 1 is characterized in that the front end of described front-end bearing pedestal (13) also is equipped with protecgulum (15).
3. twin-screw vacuum fluid pump according to claim 1 is characterized in that, also embedding between described rear bearing block (4) and driving shaft (17) and the driven shaft (24) has sealing to contain (6).
4. twin-screw vacuum fluid pump according to claim 1 is characterized in that, also embedding between described front-end bearing pedestal (13) and driving shaft (17) and the driven shaft (24) has sealing to contain (25).
5. twin-screw vacuum fluid pump according to claim 1 is characterized in that, a described end that is supported on the driving shaft (17) on the bearing (14,3) connects driving mechanism.
6. twin-screw vacuum fluid pump according to claim 5 is characterized in that, described driving mechanism is selected a kind of in the motor and speed reducer for use.
7. twin-screw vacuum fluid pump according to claim 1, it is characterized in that, the described driven shaft (24) that is supported on the bearing (19,23) is driven by two synchromesh gears (2,18), wherein, a synchromesh gear (2) is connected with the other end of the driving shaft that is connected driving mechanism (17), another synchromesh gear (18) links to each other with driven shaft (24), and two synchromesh gears (2,18) are set in the gear-box (1) that links to each other with rear bearing block (4) with being meshing with each other.
8. twin-screw vacuum fluid pump according to claim 1 is characterized in that, described active spiral (9) does not contact mutually with driven spiral (21).
9. twin-screw vacuum fluid pump according to claim 1 is characterized in that, contains at described driving shaft (17), driven shaft (24) with the sealing of its corresponding respectively connection also to be provided with mechanical seal (5,12,20,22) between (6,25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200966489U CN201080914Y (en) | 2007-07-09 | 2007-07-09 | Double screw rod vacuum fluid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200966489U CN201080914Y (en) | 2007-07-09 | 2007-07-09 | Double screw rod vacuum fluid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080914Y true CN201080914Y (en) | 2008-07-02 |
Family
ID=39614587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200966489U Expired - Fee Related CN201080914Y (en) | 2007-07-09 | 2007-07-09 | Double screw rod vacuum fluid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201080914Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064664A (en) * | 2010-10-20 | 2011-05-18 | 上海天勃能源设备有限公司 | Magnetic particle fluid direct current motor |
| CN102182679A (en) * | 2011-05-23 | 2011-09-14 | 上海南华换热器制造有限公司 | Double screw pump for food processing machine |
| CN104564657A (en) * | 2015-01-09 | 2015-04-29 | 上海维尔泰克螺杆机械有限公司 | Twin-screw liquid pump |
| TWI491803B (en) * | 2013-02-07 | 2015-07-11 | Hanbell Precise Machinery Co Ltd | A double scroll lead compressor |
| CN107110156A (en) * | 2015-01-05 | 2017-08-29 | 株式会社爱发科 | Screw vacuum pump |
-
2007
- 2007-07-09 CN CNU2007200966489U patent/CN201080914Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064664A (en) * | 2010-10-20 | 2011-05-18 | 上海天勃能源设备有限公司 | Magnetic particle fluid direct current motor |
| CN102064664B (en) * | 2010-10-20 | 2013-05-22 | 上海天勃能源设备有限公司 | Magnetic particle fluid direct current motor |
| CN102182679A (en) * | 2011-05-23 | 2011-09-14 | 上海南华换热器制造有限公司 | Double screw pump for food processing machine |
| TWI491803B (en) * | 2013-02-07 | 2015-07-11 | Hanbell Precise Machinery Co Ltd | A double scroll lead compressor |
| CN107110156A (en) * | 2015-01-05 | 2017-08-29 | 株式会社爱发科 | Screw vacuum pump |
| CN104564657A (en) * | 2015-01-09 | 2015-04-29 | 上海维尔泰克螺杆机械有限公司 | Twin-screw liquid pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20080702 Termination date: 20160709 |