CN104454515A - Combined pump of gear pump and screw pump - Google Patents
Combined pump of gear pump and screw pump Download PDFInfo
- Publication number
- CN104454515A CN104454515A CN201410693268.8A CN201410693268A CN104454515A CN 104454515 A CN104454515 A CN 104454515A CN 201410693268 A CN201410693268 A CN 201410693268A CN 104454515 A CN104454515 A CN 104454515A
- Authority
- CN
- China
- Prior art keywords
- pump
- screw
- gear
- glue
- platen
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/005—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
- F04C13/002—Pumps for particular liquids for homogeneous viscous liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0096—Heating; Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a combined pump of a gear pump and a screw pump, and relates to a delivery pump for conveying high-viscosity materials such as adhesive, polyurethane and hot-melt adhesive. The combined pump comprises the screw pump, the gear pump and a gland, wherein the screw pump comprises a screw rod, a pump body A, a flange B, a screw B; the gear pump comprises a plate A, a shaft A, a gear A, a plate B, a transmission shaft, a pump base and a gear B; the gear pump is fixed on the pump body A of the screw pump; a sealing ring A is mounted inside a groove in the outer ring of the gland; a suction opening of the gear pump is positioned at an outlet end of the screw pump; an inlet end of the screw pump is positioned at a conical adhesive feeding port of the gland; a power source drives the gear pump and the screw pump to rotate synchronously, a high-viscosity material inside an adhesive barrel is conveyed to a required position through the screw pump, the gear pump, an adhesive tube and an adhesive gun. When the viscosity of the polyurethane, the adhesive or the hot-melt adhesive is relatively high, metering and conveying are easy and metering is accurate; the combined pump can be also used for metering and conveying grease, foam materials, ink, silicon sulfide resin or other high-viscosity materials.
Description
Technical field
The present invention relates to a kind of for high-viscosity material transfer pumps such as adhesive, polyurethane, hot melt adhesive, be particularly useful for polyurethane metering conveying pump.
Background technique
The domestic and international feedway for high-viscosity materials such as adhesive, polyurethane, butyl rubber, hot melt adhesive at present, general employing gear pump, plunger pump, screw pump or diaphragm pump are carried, when above-mentioned material viscosity is very large, independent employing gear pump, plunger pump, screw pump or diaphragm pump are not easily carried, or be not easy metering conveying, measure inaccurate.
Summary of the invention
The present invention, in order to solve the problem, provides the unipump of a kind of gear pump and screw pump, solves the conveying of high-viscosity material and the problem of metering conveying accuracy.
The present invention solves the problems of the technologies described above the technological scheme taked to be:
The unipump of described gear pump and screw pump comprises screw pump, gear pump and platen, screw pump comprises screw rod, pump housing A, flange B, screw B, the periphery of screw rod is provided with screw thread, gear pump comprises A plate, A axle, gear A, B plate, screw C, flange A, seal ring B, transmission shaft, pump seat, gear B, screw C is by A plate, pump seat, B plate is fixed on pump housing A successively, flange A is connected with B plate, A axle is fixed between B plate and pump housing A, gear A is sleeved on A axle and also can rotates thereon, transmission shaft is through A plate, gear B, B plate and flange A, transmission shaft and gear B are connected, seal ring B is arranged in flange A, power source axle is connected with the axle journal of transmission shaft, the gum exudation mouth of gear pump is located at the side of pump seat, gum exudation mouth place is provided with pressure transducer and is used for detected pressures, gear pump is fixed on the pump housing A of screw pump, connects between the lower end of transmission shaft and the upper end of screw rod with coupling, and the axial position screw B of screw rod and the lower end of transmission shaft are fixed, flange B is arranged between platen and pump housing A, flange B and pump housing A is connected by screw A, and flange B and platen are connected by screw D, and seal ring A is arranged in the groove of platen outer ring, the suction inlet of gear pump is in the outlet end of screw pump, and the entry end of screw pump is in the taper glue-feeder position of platen.
The unipump of described gear pump and screw pump also comprises and is fixed on A heater on pump housing A and A temperature transducer.
Described platen is provided with through hole, and the upper end of through hole is connected with valve, and during valve open, glue-feeder and air communicate.
Described platen is also provided with pore, and the upper end of pore is connected with valve, and when valve is opened, glue-feeder and air communicate.
When needing for glue, flat platen bottom face contacts with the glue face in glue bucket all the time and presses to glue face, A heater electrified regulation, power source driven gear pump and screw pump rotate simultaneously, and the polyurethane in glue bucket or adhesive or hot melt adhesive etc. or other high-viscosity materials are transported to the place of needs through screw pump, gear pump, sebific duct and glue rifle.
The invention has the beneficial effects as follows:
Present invention achieves when polyurethane or adhesive or hot melt adhesive viscosity larger time, easily measure conveying, metering accurately, also can be used for the metering conveying of grease, foam material, grease, ink, silicone vulcanizate or other high-viscosity materials.
Accompanying drawing explanation
Fig. 1 is the structural representation of the unipump of the specific embodiment of the invention one gear pump and screw pump.
Fig. 2 is the structural representation of the unipump of the specific embodiment of the invention two gear pump and screw pump.
Embodiment
Embodiment one: as shown in Figure 1, the unipump of described gear pump and screw pump comprises screw pump, gear pump and platen 1, screw pump comprises screw rod 5, pump housing A6, flange B3, screw B8, the periphery of screw rod 5 is provided with screw thread 7, gear pump comprises A plate 10, A axle 11, gear A 12, B plate 13, screw C14, flange A15, seal ring B16, transmission shaft 17, pump seat 18, gear B 27, screw C14 is by A plate 10, pump seat 18, B plate 13 is fixed on pump housing A6 successively, flange A15 is connected with B plate 13, A axle 11 is fixed between B plate 13 and pump housing A6, gear A 12 is sleeved on A axle 11 and also can rotates thereon, transmission shaft 17 is through A plate 10, gear B 27, B plate 13 and flange A15, transmission shaft 17 and gear B 27 are connected, seal ring B16 is arranged in flange A15, power source axle is connected with the axle journal 26 of transmission shaft 17, the gum exudation mouth 28 of gear pump is located at the side of pump seat 18, gum exudation mouth 28 place is provided with pressure transducer and is used for detected pressures, gear pump is fixed on the pump housing A6 of screw pump, connects between the lower end of transmission shaft 17 and the upper end of screw rod 5 with coupling 9, and the axial position screw B8 of screw rod 5 and the lower end of transmission shaft 17 are fixed, flange B3 is arranged between platen 1 and pump housing A6, flange B3 and pump housing A6 is connected by screw A4, flange B3 and platen 1 are connected by screw D29, seal ring A2 is arranged in the groove of platen 1 outer ring, the suction inlet of gear pump is in the outlet end of screw pump, and the entry end of screw pump is in taper glue-feeder 22 position of platen 1.
The unipump of described gear pump and screw pump also comprises and is fixed on A heater 20 on pump housing A6 and A temperature transducer 19, A heater 20 is used for as gear pump, screw pump heating, A temperature transducer 19 is used for control temperature, A heater 20, A temperature transducer 19 heated for controlling temperature are set, be conducive to the viscosity controlling material, be conducive to Flow of Goods and Materials.
Described platen 1 is provided with through hole 21, and the upper end of through hole 21 is connected with valve, and during valve open, glue-feeder 22 and air communicate.Be used for getting rid of the air in glue bucket, prevent entrained air in the material such as adhesive or polyurethane.
Described platen 1 is also provided with pore 30, and the upper end of pore 30 is connected with valve, and when valve is opened, glue-feeder 22 and air communicate.Valve 13 and cylinder 2 pass into pressurized air, and pressurized air makes glue bucket be separated with platen 1.
During for glue, platen 1 bottom surface contacts with the glue face in glue bucket all the time and presses to glue face, the bottom of platen 1, seal ring A2 and glue barrel-shaped become seal space, the things such as the adhesive in glue bucket or polyurethane have pressure, A heater 20 electrified regulation, gear pump, screw pump is heated to the temperature of needs, the material such as adhesive or polyurethane is full of the suction inlet that glue-feeder 22 enters into screw pump, power source driven gear pump and screw pump rotate simultaneously, screw pump is by adhesive, the high-viscosity materials such as polyurethane are transported to the suction inlet place of gear pump, gear pump continues delicate metering conveying and flows out from gum exudation mouth 28, polyurethane in glue bucket or adhesive are through screw pump, gear pump, sebific duct and the metering of glue rifle are transported to the place of needs, screw pump flow is large, pressure is little, be once carry, gear pump flow is little, pressure is large, accurate measurement, is second-pumping, adopt screw pump and gear pump combination second-pumping for glue, solve the conveying of the high-viscosity material such as adhesive, polyurethane and the problem of metering conveying accuracy.
Embodiment two: as shown in Figure 2, in present embodiment, comparison diagram 1 and Fig. 2 can find out, gear pump is identical with embodiment one, the pump housing A6 of screw pump replaces to pump housing B23, the internal structure of screw pump, working principle is identical with embodiment one, screw pump comprises screw rod 5, pump housing B23, screw B8, gear pump is fixed on pump housing B23, flange 3 is arranged between pump housing B23 and platen 1, B heater 24 is arranged on the outside of pump housing B23, B temperature transducer 25 is contained on pump housing B23, B heater 24 is used for as gear pump, screw pump heats, B temperature transducer 25 is used for control temperature,
When needing for glue, platen 1 bottom surface contacts with the glue face in glue bucket all the time and presses to glue face, B heater 24 electrified regulation, power source driven gear pump and screw pump rotate simultaneously, and the polyurethane in glue bucket or adhesive or hot melt adhesive or other high-viscosity materials are transported to the place of needs through screw pump, gear pump, sebific duct and glue rifle.Other composition and annexation identical with embodiment one.
Embodiment three: as shown in Figure 1, 2, in present embodiment, the material of described seal ring A2, seal ring B16 is polyurethane or Ethylene Propylene Terpolymer or the solvent resistant such as fluorine rubber or rubber, heat-resisting, high-abrasive material.Other composition and annexation and embodiment one, two identical.
Embodiment four: as shown in Figure 1, 2, in present embodiment, described power source is the combination of actuating motor and retarder or stepper motor and retarder or variable-frequency motor and retarder.Other composition and annexation identical with embodiment one two or three.
The invention is not restricted to above-mentioned embodiment, the equivalents that every art technology obtains according to technology enlightenment of the present invention or the technological scheme that equivalence is replaced, all drop within rights protection scope of the present invention.
Working principle
During work, be put on base by glue bucket, with one heart, cylinder drives platen to move down for glue bucket and platen, flat platen bottom face contacts with the glue face in glue bucket all the time and presses to glue face, get rid of the air in glue bucket, close outlet valve, A heater and B heater electrified regulation, gear pump and screw pump are heated to the temperature of needs, the viscosity of glue reduces, and mobility improves, and glue is full of the glue-feeder that taper glue-feeder enters into screw pump; When needing for glue, power source driven gear pump and screw pump rotate simultaneously, and the polyurethane in glue bucket or adhesive are transported to the place of needs through screw pump, gear pump, sebific duct and glue rifle; When not carrying glue, power source stops, and stops for glue.Adopt driving gear pump, the screw pump such as actuating motor or stepper motor retarder easily to control metering conveying, metering accurately.
Claims (4)
1. a unipump for gear pump and screw pump, is characterized in that: described unipump comprises screw pump, gear pump and platen (1), screw pump comprises screw rod (5), pump housing A (6), flange B (3), screw B (8), the periphery of screw rod (5) is provided with screw thread (7), and gear pump comprises A plate (10), A axle (11), gear A (12), B plate (13), screw C (14), flange A (15), seal ring B (16), transmission shaft (17), pump seat (18), gear B (27), screw C (14) is by A plate (10), pump seat (18), B plate (13) is fixed on pump housing A (6) successively, flange A (15) is connected with B plate (13), A axle (11) is fixed between B plate (13) and pump housing A (6), gear A (12) is sleeved on A axle (11) and above also can rotates thereon, and transmission shaft (17) is through A plate (10), gear B (27), B plate (13) and flange A (15), transmission shaft (17) and gear B (27) are connected, seal ring B (16) is arranged in flange A (15), power source axle is connected with the axle journal (26) of transmission shaft (17), the gum exudation mouth (28) of gear pump is located at the side of pump seat (18), and gum exudation mouth (28) place is provided with pressure transducer and is used for detected pressures, gear pump is fixed on the pump housing A (6) of screw pump, connect with coupling (9) between the lower end of transmission shaft (17) and the upper end of screw rod (5), the axial position screw B (8) of screw rod (5) and the lower end of transmission shaft (17) are fixed, flange B (3) is arranged between platen (1) and pump housing A (6), flange B (3) and pump housing A (6) is connected by screw A (4), flange B (3) and platen (1) are connected by screw D (29), seal ring A (2) is arranged in the groove of platen (1) outer ring, the suction inlet of gear pump is in the outlet end of screw pump, and the entry end of screw pump is in taper glue-feeder (22) position of platen (1),
The unipump of described gear pump and screw pump also comprises and is fixed on A heater (20) on pump housing A (6) and A temperature transducer (19);
Described platen (1) is provided with through hole (21), and the upper end of through hole (21) is connected with valve, and during valve open, glue-feeder (22) and air communicate;
Described platen (1) is also provided with pore (30), and the upper end of pore (30) is connected with valve, and when valve is opened, glue-feeder (22) and air communicate;
When needing for glue, platen (1) bottom surface contacts with the glue face in glue bucket all the time and presses to glue face, A heater (20) electrified regulation, power source driven gear pump and screw pump rotate simultaneously, and the polyurethane in glue bucket or adhesive or hot melt adhesive high-viscosity material are transported to the place of needs through screw pump, gear pump, sebific duct and glue rifle.
2. the unipump of gear pump according to claim 1 and screw pump, it is characterized in that: the pump housing A (6) of screw pump replaces to pump housing B (23), screw pump comprises screw rod (5), pump housing B (23), screw B (8), gear pump is fixed on pump housing B (23), flange (3) is arranged between pump housing B (23) and platen (1), B heater (24) is arranged on the outside of pump housing B (23), and B temperature transducer (25) is contained on pump housing B (23);
When needing for glue, platen (1) bottom surface contacts with the glue face in glue bucket all the time and presses to glue face, B heater (24) electrified regulation, power source driven gear pump and screw pump rotate simultaneously, and the polyurethane in glue bucket or adhesive or hot melt adhesive high-viscosity material are transported to the place of needs through screw pump, gear pump, sebific duct and glue rifle.
3. the unipump of gear pump according to claim 1 and 2 and screw pump, is characterized in that: the material of described seal ring A (2), seal ring B (16) is polyurethane or Ethylene Propylene Terpolymer or fluorine rubber or rubber.
4., according to the unipump of the arbitrary described gear pump of claim 3 and screw pump, it is characterized in that: described power source is the combination of actuating motor and retarder or stepper motor and retarder or variable-frequency motor and retarder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410693268.8A CN104454515B (en) | 2014-11-20 | 2014-11-20 | The sundstrand pump of gear pump and screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410693268.8A CN104454515B (en) | 2014-11-20 | 2014-11-20 | The sundstrand pump of gear pump and screw pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104454515A true CN104454515A (en) | 2015-03-25 |
| CN104454515B CN104454515B (en) | 2018-01-09 |
Family
ID=52901105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410693268.8A Active CN104454515B (en) | 2014-11-20 | 2014-11-20 | The sundstrand pump of gear pump and screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104454515B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497640A (en) * | 2017-08-10 | 2017-12-22 | 大连华工创新科技股份有限公司 | Cylinder measuring pump glue feeder for two-component high-viscosity material |
| CN110914548A (en) * | 2017-05-16 | 2020-03-24 | 赛科蓬普斯北美有限责任公司 | Screw pump with improved stator dry run protection |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01119336A (en) * | 1987-11-04 | 1989-05-11 | Hitachi Ltd | Ejection device |
| CN1060340A (en) * | 1991-11-01 | 1992-04-15 | 邮电部成都电缆厂 | The pressurization device of sticky material transfer pump |
| EP0642913A1 (en) * | 1993-09-15 | 1995-03-15 | Bayer Ag | Single screw extruder with gear pump |
| CN201428594Y (en) * | 2009-06-18 | 2010-03-24 | 浙江德克玛液压制造有限公司 | High and low voltage composite pump |
| CN202441594U (en) * | 2011-12-29 | 2012-09-19 | 中蓝晨光化工研究设计院有限公司 | High-viscosity melt conveying pump |
| CN204327489U (en) * | 2014-11-20 | 2015-05-13 | 大连华工创新科技股份有限公司 | The unipump of gear pump and screw pump |
-
2014
- 2014-11-20 CN CN201410693268.8A patent/CN104454515B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01119336A (en) * | 1987-11-04 | 1989-05-11 | Hitachi Ltd | Ejection device |
| CN1060340A (en) * | 1991-11-01 | 1992-04-15 | 邮电部成都电缆厂 | The pressurization device of sticky material transfer pump |
| EP0642913A1 (en) * | 1993-09-15 | 1995-03-15 | Bayer Ag | Single screw extruder with gear pump |
| CN201428594Y (en) * | 2009-06-18 | 2010-03-24 | 浙江德克玛液压制造有限公司 | High and low voltage composite pump |
| CN202441594U (en) * | 2011-12-29 | 2012-09-19 | 中蓝晨光化工研究设计院有限公司 | High-viscosity melt conveying pump |
| CN204327489U (en) * | 2014-11-20 | 2015-05-13 | 大连华工创新科技股份有限公司 | The unipump of gear pump and screw pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110914548A (en) * | 2017-05-16 | 2020-03-24 | 赛科蓬普斯北美有限责任公司 | Screw pump with improved stator dry run protection |
| CN107497640A (en) * | 2017-08-10 | 2017-12-22 | 大连华工创新科技股份有限公司 | Cylinder measuring pump glue feeder for two-component high-viscosity material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104454515B (en) | 2018-01-09 |
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