CN102357437B - Portable two-component high-pressure injector - Google Patents
Portable two-component high-pressure injector Download PDFInfo
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- CN102357437B CN102357437B CN 201110298212 CN201110298212A CN102357437B CN 102357437 B CN102357437 B CN 102357437B CN 201110298212 CN201110298212 CN 201110298212 CN 201110298212 A CN201110298212 A CN 201110298212A CN 102357437 B CN102357437 B CN 102357437B
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- copper
- pump
- steel column
- wiper ring
- small plunger
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Abstract
The invention provides a portable two-component high-pressure injector. The injector comprises a speed reduction motor, an eccentric wheel, an eccentric shaft, a connecting rod, a push rod, a shaft sleeve, a linkage plate, two micro plunger pumps, two raw material bottles and a rack, wherein the speed reduction motor is installed at the rear of the rack; the eccentric wheel is fixedly installed on the output shaft of the speed reduction motor; the two micro plunger pumps are installed in front of the rack in parallel; the rear ends of steel plunger rods of the two micro plunger pumps are fixedly connected with the front end of the push rod installed in the shaft sleeve by the linkage plate; the rear end of the push rod is connected with the eccentric shaft on the eccentric wheel by a rotating shaft and the connecting rod; and the two raw material bottles are inversely arranged above the micro plunger pumps and are respectively communicated with feed inlets of the two micro plunger pumps. The injector has the advantages of simple and reasonable structure, small volume, light weight, good precision stability, convenience in carrying and using, maintenance-free property and the like, is most suitable to transport two-component raw materials to be prepared into such raw materials with self-crystallization tendency as elastomeric coatings, foams, adhesives and the like on the spot and is suitable for maintenance and use in such aspects as waterproofing, heat insulation, protection, filling, floors and the like in smaller area.
Description
Technical field
The present invention relates to a kind of insufflation apparatus, particularly a kind of high pressure painting and perfusion that can be used for the two ingredient liquids chemical raw material, can obtain high-quality finished-product material such as polyurethane foam, elastomer coatings etc., be used for volume two component high-pressure injectors little, lightweight, easy to carry of the aspects such as waterproof, insulation, protection, filling, terrace.Belong to the injection apparatus field.
Background technology
In the application of prior art, take two-component polyurethane foams as example, usually adopt bi-component high-pressure coating machine to construct.The urethane raw of bi-component need to keep A, the accurate mixed proportion of B raw material, and the temperature and pressure in when reaction should control within the specific limits, could obtain well behaved foam.Traditional high pressure painting equipment adopts compressed air or high pressure liquid force feed as power source usually, promote two plunger type proportioning pumps of A, B raw material is compressed to 70-100bar, then by two high-power heaters A, B raw material are heated respectively and temperature control, finally raw material is transported to the rifle head and carries out mixed foaming.The advantage of high-pressure spraying machine is to obtain colory insulating foam and output quantity is large, efficient is high, but its shortcoming is also fairly obvious simultaneously: because raw material A (isocyanates) is met water (comprising airborne moisture) or long-term storage all can be solidified in crystallization, flush coater need to be by the professional's operation and maintenance through training, otherwise daily deposits the damage that just may cause equipment; Need the plurality of devices such as supporting air compressor when equipment uses, weight and volume is all larger, and need to connect the long pressure hose of tens of rice from the main frame to the working site, uses inconvenience.Therefore, the use of conventional high-tension flush coater is subject to many limitations.
Summary of the invention
The objective of the invention is needs the equipment such as supporting air compressor in order to overcome above-mentioned existing high pressure painting equipment, obviously exist Heavy Weight, volume large and use the weak points such as inconvenient, design a kind of simple and reasonable, volume is little, lightweight and portably use easily portable pair of component high-pressure injector.
Portable two-component high-pressure injector of the present invention, its structure mainly comprises reducing motor, eccentric wheel, eccentric shaft, connecting rod, push rod, axle sleeve, linkage board, 2 Small Plunger Pump, 2 stock bottles and frame, described reducing motor is installed in the frame rear portion, eccentric wheel is packed on the output shaft of reducing motor, 2 Small Plunger Pump are installed in frame front side by side, the steel column stopper rod rear end of 2 Small Plunger Pump is fixedly connected with the push rod front end through linkage board, the push rod warp beam sleeve is installed in central rack, putting back-end is connected with connecting rod one end through turning cylinder, the connecting rod other end is contained on the eccentric eccentric shaft, 2 stock bottles are inverted on the frame of Small Plunger Pump top, and 2 raw material bottlenecks are communicated with 2 charging apertures of 2 Small Plunger Pump respectively.
But 2 high-pressure self-cleaning plunger pumps arranged side by side of the preferred accurate measurement of described 2 Small Plunger Pump, its structure comprises the pump housing, the steel column stopper rod, sealing ring, the copper wiper ring, the output one-way valve that is formed by unidirectional valve ball and Compress Spring, described pump housing front portion is provided with valve pocket and the discharging opening that output one-way valve is installed, pump housing rear portion is provided with the copper pump chamber and communicates with valve pocket, the steel column stopper rod is installed in the copper pump chamber, steel column stopper rod rear end is stretched out the copper pump chamber and is connected being connected with driving mechanism with the copper wiper ring, the pump housing at copper pump chamber middle part is provided with charging aperture, be provided with internal thread in the rear port of copper pump chamber, copper wiper ring front portion is provided with external screw thread and is provided with than the imperial palace accent, in the copper wiper ring warp, external screw thread is installed on the rear port of copper pump chamber, ring set is on the steel column stopper rod and be embedded on the interior accent of copper wiper ring front portion, copper wiper ring rear sleeve is contained on the steel column stopper rod, the interior accent of described copper wiper ring front portion is toroidal, and sealing ring is the conical seal ring corresponding with the toroidal of accent in the copper wiper ring.
In order to guarantee the normal operation of flush coater; in time understand the output pressure of plunger displacement pump and protect it when any lateral pressure is excessive, to stop the machine operation; can have additional 2 Pressure gauges and 2 overvoltage protection switchs, the input of described 2 Pressure gauges and 2 overvoltage protection switchs is communicated with the valve pocket of the output one-way valve of 2 Small Plunger Pump respectively.
During work, reducing motor drives eccentric wheel and rotates, eccentric shaft drivening rod one end on the eccentric wheel rotates around the eccentric wheel central shaft take eccentric throw as radius, the connecting rod other end makes push rod make linear reciprocal movement along the axle sleeve direction because push rod can not rotate through turning cylinder, again through connecting plate synchronously to the steel column stopper rod of 2 Small Plunger Pump push away, roping is moving, thereby make plunger displacement pump realize the circulation of compression and expansion.When the steel column stopper rod is pulled rearward when moving, because the shutoff of check valve steel ball makes the increasing negative pressure of generation in the pump chamber, after steel column stopper rod front end is pulled to charging aperture, under the acting in conjunction of the raw material pull of vacuum in gravity and pump chamber in 2 stock bottles, enter rapidly respectively in 2 pump chambers; After the steel column stopper rod is pulled to behind the stop, connecting rod just becomes pulling force into thrust automatically, two steel column stopper rods are pressurizeed to 2 kinds of raw materials that enter pump chamber respectively, and pressurized high pressure feedstock is exported with accurate ratio from discharging opening after pushing rapidly the check valve steel ball open.
Portable two-component high-pressure injector of the present invention, owing to use reducing motor to replace compressed air or high pressure liquid force feed as power source, select the plunger type proportioning pump of one-way only operation, greatly reduce the cost of equipment and reduced volume and reduction weight, can make complete machine weight be not more than 10 kilograms, be present product weight about 1/10th, make injector realize portable target.Again because adopting bottled raw material, can with using with dress, effectively avoiding waste.Have simple and reasonable, volume is little, lightweight and portably use the advantages such as convenient, can realize from large flow to low discharge, from spraying to the various middle-size and small-size application of perfusion, thereby make the materials such as high performance polyurethane foam be applied to the various aspects of daily life, effectively expanded the range of application of bi-component raw material system (such as polyurethane foam insulation).Simultaneously, also owing to designed the hermetically-sealed construction of copper wiper ring to the steel column stopper rod, can automatically remove the material crystal on the steel column stopper rod, prevent that easy crystallization raw material from damaging plunger displacement pump, also cancel conventional plastic seal, thereby guaranteed precision stability in long-term use procedure and non-maintaining.The most suitable conveying bi-component raw material at the scene formulated elastomer coatings, foam, adhesive etc. has from crystallization tendency raw material carry out the maintenance use of the aspects such as waterproof, insulation, protection, filling, terrace than small size.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structural representation of 2 Small Plunger Pump arranged side by side among Fig. 1.
The specific embodiment
The non-limiting concrete structure schematic diagram that provides a kind of embodiment among some embodiment of the present invention of accompanying drawing.Among the figure 1 is reducing motor, the 2nd, and eccentric wheel, the 3rd, eccentric shaft, the 4th, connecting rod; the 5th, frame, the 6th, push rod, the 7th, axle sleeve; the 8th, linkage board, the 9th, steel column stopper rod, the 10th, copper wiper ring; the 11st, sealing ring, the 12nd, charging aperture, the 13rd, the pump housing; the 14th, unidirectional valve ball, the 15th, Compress Spring, the 16th, discharging opening; the 17th, stock bottle, the 18th, overvoltage protection switch, the 19th, Pressure gauge.
Referring to accompanying drawing 1, Portable two-component high-pressure injector of the present invention, its structure is mainly by reducing motor 1, eccentric wheel 2, eccentric shaft 3, connecting rod 4, push rod 6, axle sleeve 7, linkage board 8,2 Small Plunger Pump, 2 stock bottles 17 and frame 5 form, described reducing motor 1 is installed in frame 5 rear portions, eccentric wheel 2 is packed on the output shaft of reducing motor 1,2 Small Plunger Pump are installed in frame 5 front portions side by side, steel column stopper rod 9 rear ends of 2 Small Plunger Pump are fixedly connected with push rod 6 front ends through linkage board 8, push rod 6 warp beam sleeves 7 are installed in frame 5 middle parts, push rod 6 rear ends are connected with connecting rod 4 one ends through turning cylinder, connecting rod 4 other ends are contained on the eccentric shaft 3 of eccentric wheel 2,2 stock bottles 17 are inverted on the frame of Small Plunger Pump top, and the bottleneck of 2 stock bottles 17 is communicated with 2 charging apertures 12 of 2 Small Plunger Pump respectively.
But 2 high-pressure self-cleaning plunger pumps arranged side by side of the preferred accurate measurement of described 2 Small Plunger Pump, its structure as shown in Figure 2, mainly comprise the pump housing 13, steel column stopper rod 9, sealing ring 11, copper wiper ring 10, the output one-way valve that is formed by unidirectional valve ball 14 and Compress Spring 15, the described pump housing 13 front portions are provided with valve pocket and the discharging opening 16 that output one-way valve is installed, the pump housing 13 rear portions are provided with the copper pump chamber and communicate with valve pocket, steel column stopper rod 9 is installed in the copper pump chamber, steel column stopper rod 9 rear ends are stretched out the copper pump chamber and are connected with the copper wiper ring and are used for being connected with driving mechanism, the pump housing at copper pump chamber middle part is provided with charging aperture 12, be provided with internal thread in the rear port of copper pump chamber, copper wiper ring 10 front portions are provided with external screw thread and are provided with than the imperial palace accent, in copper wiper ring 10 warps, external screw thread is installed on the rear port of copper pump chamber, sealing ring 10 is sleeved on the steel column stopper rod 9 and is embedded on the interior accent of copper wiper ring 10 front portions, copper wiper ring 10 rear sleeve are contained on the steel column stopper rod 9, the interior accent of described copper wiper ring 10 front portions is toroidal, and sealing ring 11 is the taper teflin ring corresponding with the toroidal of copper wiper ring 10 interior accents.
In order to guarantee the normal operation of flush coater; in time understand the output pressure of plunger displacement pump and protect it when pressure is excessive, to stop the machine operation; can have additional 2 Pressure gauges 19 and 2 overvoltage protection switchs 18, the input of described 2 Pressure gauges 19 and 2 overvoltage protection switchs 18 is communicated with the valve pocket of the output one-way valve of 2 Small Plunger Pump respectively.Above-mentioned reducing motor 1 also can be formed by general motor and reduction gearing combination.If change 2 high-pressure self-cleaning plunger pumps arranged side by side into a plurality of high-pressure self-cleaning plunger pumps arranged side by side, also can conveniently form the multicomponent high-pressure injector.
Claims (3)
1. Portable two-component high-pressure injector, it is characterized in that comprising reducing motor, eccentric wheel, eccentric shaft, connecting rod, push rod, axle sleeve, linkage board, 2 Small Plunger Pump, 2 stock bottles and frame, described reducing motor is installed in the frame rear portion, eccentric wheel is packed on the output shaft of reducing motor, 2 Small Plunger Pump are installed in frame front side by side, the steel column stopper rod rear end of 2 Small Plunger Pump is fixedly connected with the push rod front end through linkage board, the push rod warp beam sleeve is installed in central rack, putting back-end is connected with connecting rod one end through turning cylinder, the connecting rod other end is contained on the eccentric eccentric shaft, 2 stock bottles are inverted on the frame of Small Plunger Pump top, 2 raw material bottlenecks are communicated with 2 charging apertures of 2 Small Plunger Pump respectively, described Small Plunger Pump comprises the pump housing, the steel column stopper rod, sealing ring, the copper wiper ring, the output one-way valve that is formed by unidirectional valve ball and Compress Spring, described pump housing front portion is provided with valve pocket and the discharging opening that output one-way valve is installed, pump housing rear portion is provided with the copper pump chamber and communicates with valve pocket, the steel column stopper rod is installed in the copper pump chamber, steel column stopper rod rear end is stretched out the copper pump chamber and is connected being connected with driving mechanism with the copper wiper ring, the pump housing at copper pump chamber middle part is provided with charging aperture, be provided with internal thread in the rear port of copper pump chamber, copper wiper ring front portion is provided with external screw thread and is provided with than the imperial palace accent, in the copper wiper ring warp, external screw thread is installed on the rear port of copper pump chamber, ring set is on the steel column stopper rod and be embedded on the interior accent of copper wiper ring front portion, copper wiper ring rear sleeve is contained on the steel column stopper rod, the interior accent of described copper wiper ring front portion is toroidal, and sealing ring is the conical seal ring corresponding with the toroidal of accent in the copper wiper ring.
2. Portable two-component high-pressure injector as claimed in claim 1; characterized by further comprising 2 Pressure gauges and 2 overvoltage protection switchs, the input of described 2 Pressure gauges and 2 overvoltage protection switchs is communicated with the valve pocket of the output one-way valve of 2 Small Plunger Pump respectively.
3. Portable two-component high-pressure injector as claimed in claim 1 or 2 is characterized in that reducing motor is comprised of motor and reduction gearing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110298212 CN102357437B (en) | 2011-09-28 | 2011-09-28 | Portable two-component high-pressure injector |
| PCT/CN2012/000660 WO2013044583A1 (en) | 2011-09-28 | 2012-05-15 | Portable two-component high-pressure injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110298212 CN102357437B (en) | 2011-09-28 | 2011-09-28 | Portable two-component high-pressure injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102357437A CN102357437A (en) | 2012-02-22 |
| CN102357437B true CN102357437B (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110298212 Expired - Fee Related CN102357437B (en) | 2011-09-28 | 2011-09-28 | Portable two-component high-pressure injector |
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| Country | Link |
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| CN (1) | CN102357437B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044583A1 (en) * | 2011-09-28 | 2013-04-04 | Wu Yi | Portable two-component high-pressure injector |
| DE102013013530A1 (en) * | 2013-08-13 | 2015-03-12 | Dürr Systems GmbH | Application system with cable-guided handling device for moving an application device |
| TWI545258B (en) * | 2014-04-07 | 2016-08-11 | 周文三 | Air compressor |
| CN105031773B (en) * | 2015-08-27 | 2019-02-01 | 南京润泽流体控制设备有限公司 | Double end continuous sampling device |
| CN113417838A (en) * | 2021-06-23 | 2021-09-21 | 江苏大学 | Micropump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459091Y (en) * | 2001-01-16 | 2001-11-14 | 胡海轮 | High-presssure two-purpose machine for airless flameplating and washing |
| CN2796853Y (en) * | 2005-02-07 | 2006-07-19 | 赵亚青 | Bicomponent spray coating machine |
| CN202316179U (en) * | 2011-09-28 | 2012-07-11 | 吴祎 | Portable bi-component high pressure jetting machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3826328B2 (en) * | 1996-12-26 | 2006-09-27 | 有限会社コスモ・オートメーション | Nozzle mouth clog prevention device |
| JPH11169757A (en) * | 1997-12-12 | 1999-06-29 | Takae Takashima | Spray gun for washing |
-
2011
- 2011-09-28 CN CN 201110298212 patent/CN102357437B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459091Y (en) * | 2001-01-16 | 2001-11-14 | 胡海轮 | High-presssure two-purpose machine for airless flameplating and washing |
| CN2796853Y (en) * | 2005-02-07 | 2006-07-19 | 赵亚青 | Bicomponent spray coating machine |
| CN202316179U (en) * | 2011-09-28 | 2012-07-11 | 吴祎 | Portable bi-component high pressure jetting machine |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平10-180162A 1998.07.07 |
| JP特开平11-169757A 1999.06.29 |
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| CN102357437A (en) | 2012-02-22 |
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Granted publication date: 20130529 Termination date: 20180928 |