CN202491358U - Pulling-extrusion forming foaming machine for polyurethane - Google Patents
Pulling-extrusion forming foaming machine for polyurethane Download PDFInfo
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- CN202491358U CN202491358U CN2012200358304U CN201220035830U CN202491358U CN 202491358 U CN202491358 U CN 202491358U CN 2012200358304 U CN2012200358304 U CN 2012200358304U CN 201220035830 U CN201220035830 U CN 201220035830U CN 202491358 U CN202491358 U CN 202491358U
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- charging basket
- plunger
- displacement pump
- foaming machine
- plunger displacement
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Abstract
The utility model discloses a pulling-extrusion forming foaming machine for polyurethane. The foaming machine comprises a rack, a hydraulic station, a foaming gun, a first charging basket, a second charging basket, a first plunger pump and a second plunger pump, wherein the hydraulic station is used for driving the first and second plunger pumps, and accurately controlling the flows of the first and second plunger pumps; the relative positions of the first and second plunger pumps and a limiting bracket are regulated to obtain different feeding proportions of materials A and B; the foaming gun is mechanically self-cleaned, and a mixture outlet of the foaming gun is connected with a high-pressure gas and a solvent; and a static mixer can be self-cleaned in a high-pressure gas cleaning way and a solvent cleaning way. The foaming machine is compact in structure, and can conveniently move, the operational requirements of small-flow one-piece or continuous operation with a requirement for high metering accuracy can be met, and the proportions can be simply, directly and clearly regulated; and a twice mixing mode is adopted, and foaming holes are small and uniform, so that the foaming machine is easy to clean, and consumption in the cleaning solvent is low.
Description
Technical field:
The utility model relates to mechanical field, relates in particular to polyurethane foaming machine, particularly a kind of polyurethane pultrusion foaming machine.
Background technology:
In the prior art, the polyurethane foaming machine flow is big, and the output blend pressure is high, and hybrid mode generally adopts high pressure once or the mode of secondary collision, can't satisfy the demand of low discharge single-piece and continuous operation; Also have polyurethane foaming machine to adopt low-voltage high speed to rotate alr mode, because of the stirring-head inner chamber is bigger, each end-of-job must clean with high amounts of solvents, and maintenance is wasted time and energy.In addition, existing foaming machine ratio adjustment must can reach instructions for use through repeatedly measuring and adjust, and must repeat adjustment after the environmental change, uses inconvenient.Simultaneously, existing foaming machine volume is big, and is relatively heavier, moves inconvenience, and energy consumes higher.
Summary of the invention:
The purpose of the utility model is to provide a kind of polyurethane pultrusion foaming machine, and described this polyurethane pultrusion foaming machine will solve that foaming machine flow in the prior art is big, metering is inaccurate, cleans difficulty, ratio adjustment time and effort consuming, volume are big, move inconvenience, can't satisfy the single-piece or the technical problem of pultrusion foaming demand continuously.
This polyurethane pultrusion foaming machine of the utility model; Comprise frame, Hydraulic Station, foam gun, first charging basket, second charging basket, first plunger displacement pump and second plunger displacement pump; Include a dynamical element, first material inlet, second material inlet and a mixture outlet in the described foam gun; Wherein, Described frame top is provided with a limiting bracket, and the both sides of described limiting bracket are fixedly connected with frame, the middle part bending of limiting bracket; The part symmetry of folding line both sides; The middle part of frame is provided with one first oil cylinder, and described first plunger displacement pump and second plunger displacement pump all are arranged on the frame and are positioned at the both sides of first oil cylinder, and the piston rod of described first oil cylinder is connected with the plunger of first plunger displacement pump and the plunger of second plunger displacement pump respectively through a hydraulic means; The outer end of the plunger axis of the outer end of the plunger axis of first plunger displacement pump and second plunger displacement pump is adjacent with limiting bracket respectively; The import of first plunger displacement pump is connected with the outlet of described first charging basket through pipeline, and the first plunger delivery side of pump is connected with first material inlet of described foam gun through one first feeding pipeline, is connected with one first accumulator on described first feeding pipeline; The import of second plunger displacement pump is connected with the outlet of described second charging basket through pipeline; The second plunger delivery side of pump is connected with second material inlet of described foam gun through one second feeding pipeline, is connected with one second accumulator on described second feeding pipeline, and described Hydraulic Station includes an oil pump; The outlet of described oil pump is connected with one first solenoid directional control valve, and the outlet of described first solenoid directional control valve all is connected through the input port of first petroleum pipeline with first oil cylinder.
Further, the dynamical element in the foam gun is made up of one second oil cylinder, and the input port of described second oil cylinder is connected with the outlet of one second solenoid directional control valve through second petroleum pipeline, and described second solenoid directional control valve is connected with the outlet of oil pump in the Hydraulic Station.
Further, be connected with a static mixer on the mixture outlet of foam gun.
Further, be provided with a check valve separately on first material inlet in the foam gun and second material inlet.
Further; Be connected with one first pressure adjustment relief valve on described first feeding pipeline; The outlet of described first pressure adjustment relief valve is connected with first charging basket through overflow pipe; Be connected with one second pressure adjustment relief valve on described second feeding pipeline, the outlet of described second pressure adjustment relief valve is connected with second charging basket through overflow pipe.
Further; Be provided with one first subsidiary conduit between described first feeding pipeline and first charging basket; Be provided with one first valve in described first subsidiary conduit; Be provided with one second subsidiary conduit between described second feeding pipeline and second charging basket, be provided with one second valve in described second subsidiary conduit.
Further, described first charging basket is provided with a hygroscopic agent jar.
Further, described frame, Hydraulic Station, foam gun, first charging basket and second charging basket all are arranged on the wheel bracket.
Further, be provided with plunger displacement pump position scale in the described frame.
Further, be provided with an agitator in described second charging basket.
The operation principle of the utility model is: first charging basket is placed the A material of producing polyurethane, and first charging basket is placed the B material of producing polyurethane.Through changing the output oil mass of Hydraulic Station, can control the motion frequency of first oil cylinder, thereby accurately control the flow of first plunger displacement pump and second plunger displacement pump.Change the position of first plunger displacement pump and second plunger displacement pump respectively; Can change the stroke of plunger axis of plunger axis and second plunger displacement pump of first plunger displacement pump respectively; Realize the different feed ratios of A material and B material, sign has the good pairing plunger displacement pump of the different feed ratios position of calculating in advance on the scale of plunger displacement pump position.The foam gun mixture outlet adopts screw thread to link to each other with static mixer, and A material and B material raw material after collision mixes, get into static mixer in foam gun, and secondary reaches abundant purpose of mixing after mixing.Foam gun adopts mechanical type automatically cleaning foam gun, and the mixture outlet place connects gases at high pressure and solvent, and foam gun is realized mechanical automatically cleaning through the piston of second oil cylinder, and static mixer adopts gases at high pressure to clean and the solvent clean dual mode reaches self-cleaning.Whole device is installed on the wheel bracket, can move at the scene or whole fork hangs.
The utility model and prior art are compared, and its effect is actively with tangible.The utility model utilizes Hydraulic Station to drive first plunger displacement pump and second plunger displacement pump and accurately controls the flow of first plunger displacement pump and second plunger displacement pump; Utilize the relative position adjustment of the limiting bracket and first plunger displacement pump and second plunger displacement pump, realize the different feed ratios of A material and B material; Foam gun adopts mechanical automatically cleaning, and the mixture outlet place connects gases at high pressure and solvent, and static mixer adopts gases at high pressure to clean and the solvent clean dual mode reaches self-cleaning.The utility model compact conformation, conveniently moving, the work requirements that can be satisfied with the accurate low discharge single-piece of measuring requirement or work continuously, the ratio adjustment is simple, simple and clear; Adopt twice mixing, it is evenly fine and smooth to produce abscess, cleans easily, and the cleaning solvent consumption rate is less.
Description of drawings:
Fig. 1 is the principle schematic of the polyurethane pultrusion foaming machine of the utility model.
Fig. 2 is the structural representation of the static mixer in the polyurethane pultrusion foaming machine of the utility model.
Fig. 3 is the structural representation of the inner core in the static mixer in the polyurethane pultrusion foaming machine of the utility model.
Fig. 4 is the radial structure sketch map of the inner core in the static mixer in the polyurethane pultrusion foaming machine of the utility model.
Fig. 5 be among Fig. 4 A to the cross section structure sketch map.
The specific embodiment:
Embodiment 1:
As shown in Figure 1; The polyurethane pultrusion foaming machine of the utility model; Comprise frame 13, Hydraulic Station, foam gun 15, first charging basket 8, second charging basket 22, first plunger displacement pump 7 and second plunger displacement pump 24; Include a dynamical element, first material inlet, second material inlet and a mixture outlet in the described foam gun 15, wherein, described frame 13 tops are provided with a limiting bracket; The both sides of described limiting bracket are fixedly connected with frame 13; The middle part bending of limiting bracket, the part symmetry of folding line both sides, the middle part of frame 13 is provided with one first oil cylinder 6; Described first plunger displacement pump 7 and second plunger displacement pump 24 all are arranged on the frame 13 and are positioned at the both sides of first oil cylinder 6; The piston rod of described first oil cylinder 6 is connected with the plunger of first plunger displacement pump 7 and the plunger of second plunger displacement pump 24 respectively through a hydraulic means, and the outer end of the plunger axis of the outer end of the plunger axis of first plunger displacement pump 7 and second plunger displacement pump 24 is adjacent with limiting bracket respectively, and the import of first plunger displacement pump 7 is connected with the outlet of described first charging basket 8 through pipeline; The outlet of first plunger displacement pump 7 is connected with first material inlet of described foam gun 15 through one first feeding pipeline 14; The import that is connected with one first accumulator 12, the second plunger displacement pumps 24 on described first feeding pipeline 14 is connected with the outlet of described second charging basket 22 through pipeline, and the outlet of second plunger displacement pump 24 is connected with second material inlet of described foam gun 15 through one second feeding pipeline 17; Be connected with one second accumulator 19 on described second feeding pipeline 17; Described Hydraulic Station includes an oil pump 1, and the outlet of described oil pump 1 is connected with one first solenoid directional control valve 4, and the outlet of described first solenoid directional control valve 4 all is connected with the input port of first oil cylinder 6 through first petroleum pipeline 5.
Further; Dynamical element in the foam gun 15 is made up of one second oil cylinder; The input port of described second oil cylinder is connected with the outlet of one second solenoid directional control valve 3 through second petroleum pipeline 18, and described second solenoid directional control valve 3 is connected with the outlet of oil pump 1 in the Hydraulic Station.
Further, be connected with a static mixer 16 on the mixture outlet of foam gun 15.
Further, be provided with a check valve separately on first material inlet in the foam gun 15 and second material inlet.
Further; Be connected with one first pressure adjustment relief valve 10 on described first feeding pipeline 14; The outlet of described first pressure adjustment relief valve 10 is connected with first charging basket 8 through overflow pipe; Be connected with one second pressure adjustment relief valve 20 on described second feeding pipeline 17, the outlet of described second pressure adjustment relief valve 20 is connected with second charging basket 22 through overflow pipe.
Further; Be provided with one first subsidiary conduit between described first feeding pipeline 14 and first charging basket 8; Be provided with one first valve 11 in described first subsidiary conduit; Be provided with one second subsidiary conduit between described second feeding pipeline 17 and second charging basket 22, be provided with one second valve 21 in described second subsidiary conduit.
Further, described first charging basket 8 is provided with a hygroscopic agent jar 9.
Further, described frame 13, Hydraulic Station, foam gun 15, first charging basket 8 and second charging basket 22 all are arranged on the wheel bracket.
Further, be provided with plunger displacement pump position scale in the described frame 13.
Further, be provided with an agitator 23 in described second charging basket 22.
Concrete, be connected with an overflow valve 2 in the Hydraulic Station on the output channel of oil pump 1.
Like Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, static mixer 16 is made up of outer tube 161 and inner core 162, and the rear end of outer tube 161 is connected with foam gun 15 through screw thread; The front end of outer tube 161 is coniform; Front end exit place internal diameter is less than the internal diameter of outer tube 161, and inner core 162 is arranged in the outer tube 161, and inner core 162 is arranged by a plurality of baffle plates and constituted; Be provided with breach in the baffle plate, baffle plate rear end from outer tube 161 in inner core 162 forms a tortuous passageway to front end.
The operation principle of present embodiment is: first charging basket 8 is placed the A material of producing polyurethane, and first charging basket 8 is placed the B material of producing polyurethane.Through changing the output oil mass of Hydraulic Station, can control the motion frequency of first oil cylinder 6, thereby accurately control the flow of first plunger displacement pump 7 and second plunger displacement pump 24.Change the position of first plunger displacement pump 7 and second plunger displacement pump 24 respectively; Can change the stroke of plunger axis of plunger axis and second plunger displacement pump 24 of first plunger displacement pump 7 respectively; Realize the different feed ratios of A material and B material, sign has the good pairing plunger displacement pump of the different feed ratios position of calculating in advance on the scale of plunger displacement pump position.Foam gun 15 mixture outlets adopt screw thread to link to each other with static mixer 16, and A material and B material raw material after collision mixes, get into static mixer 16 in foam gun 15, continue to mix with inner core 162 collisions, reach well-mixed purpose.Foam gun 15 adopts mechanical type automatically cleaning foam gun 15; The mixture outlet place connects gases at high pressure and solvent; Foam gun 15 is realized mechanical automatically cleaning through the piston of second oil cylinder, and static mixer 16 adopts gases at high pressure to clean and the solvent clean dual mode reaches self-cleaning.Whole device is installed on the wheel bracket, can move at the scene or whole fork hangs.
Claims (10)
1. polyurethane pultrusion foaming machine; Comprise frame, Hydraulic Station, foam gun, first charging basket, second charging basket, first plunger displacement pump and second plunger displacement pump; Include a dynamical element, first material inlet, second material inlet and a mixture outlet in the described foam gun; It is characterized in that: described frame top is provided with a limiting bracket; The both sides of described limiting bracket are fixedly connected with frame; The middle part bending of limiting bracket, the part symmetry of folding line both sides, the middle part of frame is provided with one first oil cylinder; Described first plunger displacement pump and second plunger displacement pump all are arranged on the frame and are positioned at the both sides of first oil cylinder; The piston rod of described first oil cylinder is connected with the plunger of first plunger displacement pump and the plunger of second plunger displacement pump respectively through a hydraulic means, and the outer end of the plunger axis of the outer end of the plunger axis of first plunger displacement pump and second plunger displacement pump is adjacent with limiting bracket respectively, and the import of first plunger displacement pump is connected with the outlet of described first charging basket through pipeline; The first plunger delivery side of pump is connected with first material inlet of described foam gun through one first feeding pipeline; Be connected with one first accumulator on described first feeding pipeline, the import of second plunger displacement pump is connected with the outlet of described second charging basket through pipeline, and the second plunger delivery side of pump is connected with second material inlet of described foam gun through one second feeding pipeline; Be connected with one second accumulator on described second feeding pipeline; Described Hydraulic Station includes an oil pump, and the outlet of described oil pump is connected with one first solenoid directional control valve, and the outlet of described first solenoid directional control valve all is connected through the input port of first petroleum pipeline with first oil cylinder.
2. polyurethane pultrusion foaming machine as claimed in claim 1; It is characterized in that: the dynamical element in the foam gun is made up of one second oil cylinder; The input port of described second oil cylinder is connected with the outlet of one second solenoid directional control valve through second petroleum pipeline, and described second solenoid directional control valve is connected with the outlet of oil pump in the Hydraulic Station.
3. polyurethane pultrusion foaming machine as claimed in claim 1 is characterized in that: be connected with a static mixer on the mixture outlet of foam gun.
4. polyurethane pultrusion foaming machine as claimed in claim 1 is characterized in that: be provided with a check valve on first material inlet in the foam gun and second material inlet separately.
5. polyurethane pultrusion foaming machine as claimed in claim 1; It is characterized in that: be connected with one first pressure adjustment relief valve on described first feeding pipeline; The outlet of described first pressure adjustment relief valve is connected with first charging basket through overflow pipe; Be connected with one second pressure adjustment relief valve on described second feeding pipeline, the outlet of described second pressure adjustment relief valve is connected with second charging basket through overflow pipe.
6. polyurethane pultrusion foaming machine as claimed in claim 1; It is characterized in that: be provided with one first subsidiary conduit between described first feeding pipeline and first charging basket; Be provided with one first valve in described first subsidiary conduit; Be provided with one second subsidiary conduit between described second feeding pipeline and second charging basket, be provided with one second valve in described second subsidiary conduit.
7. polyurethane pultrusion foaming machine as claimed in claim 1 is characterized in that: described first charging basket is provided with a hygroscopic agent jar.
8. polyurethane pultrusion foaming machine as claimed in claim 1 is characterized in that: described frame, Hydraulic Station, foam gun, first charging basket and second charging basket all are arranged on the wheel bracket.
9. polyurethane pultrusion foaming machine as claimed in claim 1 is characterized in that: be provided with plunger displacement pump position scale in the described frame.
10. polyurethane pultrusion foaming machine as claimed in claim 1 is characterized in that: be provided with an agitator in described second charging basket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200358304U CN202491358U (en) | 2012-02-06 | 2012-02-06 | Pulling-extrusion forming foaming machine for polyurethane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200358304U CN202491358U (en) | 2012-02-06 | 2012-02-06 | Pulling-extrusion forming foaming machine for polyurethane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202491358U true CN202491358U (en) | 2012-10-17 |
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ID=46997597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200358304U Expired - Fee Related CN202491358U (en) | 2012-02-06 | 2012-02-06 | Pulling-extrusion forming foaming machine for polyurethane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202491358U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448190A (en) * | 2013-09-04 | 2013-12-18 | 中国人民解放军63975部队 | Polyurethane foaming machine driven by water-cooled engine |
| CN104441550A (en) * | 2014-11-10 | 2015-03-25 | 镇江中化聚氨酯工业设备有限公司 | Energy-saving type continuous macromolecular resin material production line |
| CN109049486A (en) * | 2018-09-19 | 2018-12-21 | 苏州顺时特机械科技有限公司 | A kind of foamed plastic hybrid injection device |
-
2012
- 2012-02-06 CN CN2012200358304U patent/CN202491358U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448190A (en) * | 2013-09-04 | 2013-12-18 | 中国人民解放军63975部队 | Polyurethane foaming machine driven by water-cooled engine |
| CN103448190B (en) * | 2013-09-04 | 2015-08-05 | 中国人民解放军63975部队 | A kind of polyurethane foaming machine driven by water-cooled engine |
| CN104441550A (en) * | 2014-11-10 | 2015-03-25 | 镇江中化聚氨酯工业设备有限公司 | Energy-saving type continuous macromolecular resin material production line |
| CN109049486A (en) * | 2018-09-19 | 2018-12-21 | 苏州顺时特机械科技有限公司 | A kind of foamed plastic hybrid injection device |
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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 |
Granted publication date: 20121017 Termination date: 20190206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |