CN102962941A - V-shaped high-pressure collision polyurethane foam mixing head - Google Patents
V-shaped high-pressure collision polyurethane foam mixing head Download PDFInfo
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- CN102962941A CN102962941A CN201210272222XA CN201210272222A CN102962941A CN 102962941 A CN102962941 A CN 102962941A CN 201210272222X A CN201210272222X A CN 201210272222XA CN 201210272222 A CN201210272222 A CN 201210272222A CN 102962941 A CN102962941 A CN 102962941A
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Abstract
The invention relates to a V-shaped high-pressure collision polyurethane foam mixing head. The mixing head is characterized in that, two symmetrical adjusting screws are disposed on the main body, through adjustment by the two symmetrical adjusting screws, the injected material ejected from two symmetrical outlets can be a V shape, so that during injection a mixture can form collision jetting in a V shape, and a vortex is formed for repeated mixing. Compared with the prior art, the invention has the beneficial effects that, during injection the mixture can form V-shaped collision jetting, the vortex can be formed for repeated mixing, and an injection tube can be directly inserted into a product mold to conduct injection without adding auxiliary equipment.
Description
Technical field
The present invention relates to a kind of mixing head, a kind of " V " font high pressure collision polyurethane foam mixing head particularly, belong to polyurethane heat-insulation, heat insulation, every the technical field of cold polyurethane foam machinery equipment aspect.
Background technology
Present known high pressure polyurethane foam mixing head is that the high pressure correlation is mixed, and such correlation is mixed and be can not form vortex, and mixes undesirablely, shrinkage phenomenon occurs easily, and rework rate is high, causes waste.Be that injection rod is short in addition, when injection, need to increase auxiliary equipment and could inject successfully, must clean or clear up the injection auxiliary equipment after injection is finished like this.
Summary of the invention
For the deficiency that above-mentioned prior art exists, the invention provides a kind of " V " font high pressure collision polyurethane foam mixing head.
Technical scheme of the present invention is as follows:
A kind of " V " font high pressure collision polyurethane foam mixing head, it is characterized in that, on main body (1), be provided with the adjustment screw rod (22) of two symmetries, process is to the adjustment of the adjustment screw rod (22) of two symmetries, make the discharging opening (33) of two symmetries inject the material formation V-shape that sprays, make compound formation " V " font head-on collision injection when injection, and the formation vortex shape mixes repeatedly.
Be provided with the adjustment screw rod (22) of two symmetries at discharging opening (33) middle part, described adjustment screw rod (22) one ends are provided with the adjusting lever other end and are provided with the spiral shell button that is spirally connected with main body (1), and the middle part is provided with the two seals circle.
The both sides of injection-tube (3) in main body (1), be respectively arranged with two polyurethane material chambeies, described polyurethane material chamber line centered by injection-tube (3) is symmetrical arranged, the continuous material road that the chamber is arranged in two chambeies of any side of center line, material road and oil circuit are with discharging control piston (26) and inject control piston (28) separation; Oil circuit chamber and material chamber, road are named in chamber after the described separation; The chamber, road is expected near crying of injection-tube 3 in chamber after the separation; The chamber of close seal cover (27) is in the oil circuit chamber;
Described discharging control piston (26) and injection control piston (28) are separately positioned in four circular chambeies, discharging control piston (26) and injection control piston (28) in circle are respectively arranged with two to four seal grooves, all be provided with piston packing (23) and seal with the chamber endosome in described seal groove; Described discharging control piston (26) one sides are provided with the bullet that can block discharging opening (33) that matches with discharging opening (33); Described injection control piston (28) one sides are provided with the bullet that can block feedback outlet (34) that matches with feedback outlet (34);
When the oil extruding that discharging control piston (26) is entered from oil connection (25) is pushed into the direction of injection-tube (3), symmetrically arranged two discharging openings of line (33) are closed centered by injection-tube (3), expect that simultaneously the increased pressure promotion injection control piston (28) in the chamber, road moves to seal cover (27) direction, make the oil in the oil cylinder chamber of injection control piston (28) flow to the magnetic valve direction by injection oil connection (29).
Be provided with seal cover (27) in main body (1) bilateral symmetry, the seal cover of described any side (27) uses respectively six holding screws (24) to be locked;
Be provided with discharged oil pipe joint (25) and injection oil connection (29) at monosymmetric seal cover (27), the oil circuit of described discharged oil pipe joint (25), inside are connected with the oil cylinder chamber oil circuit of discharging control piston (26) respectively; The oil circuit of described injection oil connection (29), inside are connected with the oil cylinder chamber oil circuit of injection control piston (28) respectively.
Injection-tube (3) is provided with an end of spiral shell button, is inserted through the mesopore of main body (1), is locked on the main body (1) with locknut suitable for reading (20); Also be on injection-tube (3) in main body (1) bottom, fixing or be installed by welding with mounting flange (31).
The top of the main body (1) vertical with main body (1) mesopore is provided with oil cylinder connector (17), and the following flange (21) of described oil cylinder connector (17) is installed on the main body (1) with fixed screw (19); Be provided with spiral shell buckles with lower oil cylinder cover (14) screw and is connected in the upper inside of oil cylinder connector (17); Be provided with peep hole in oil cylinder connector (17) both sides, be used for observing the working condition of cleaning head (18);
Cleaning head (18) top is installed in piston rod (4) bottom piston (11) is installed, at piston (11) sealing ring B (12) is installed, the inwall of sealing ring B (12) and cylinder tube (2) up and down friction-type sealing slides;
Described piston rod (4) is arranged in the endoporus of lower oil cylinder cover (14), and the screw thread on piston rod (4) top is bolted with piston (11) and locks with locknut (10).
End at lower clamp nut (6), be provided with platen, described platen is enclosed within fixed disk (15) section of lower oil cylinder cover (14) and the screw thread of cylinder tube (2) bottom is spirally connected, be provided with the mounting groove that two sealing ring C (13) are installed on fixed disk (15) top of lower oil cylinder cover (14), sealing ring C (13) is connected with the inner wall sealing formula of cylinder tube (2);
The screw thread on cylinder tube (2) top is spirally connected with the screw thread that tightens in the nut (5), describedly tightens platen that nut (5) top arranges and pushes up with fixed disk on the cylinder cap that oils (8) and be connected;
On the cylinder cap that oils (8) top oil connection A (7) is installed, described oil connection A (7) is connected with high-pressure oil pipe;
At the cylinder cap that oils (8) mounting groove that two sealing ring A (9) are installed is set, sealing ring A (9) is connected with the inner wall sealing formula of cylinder tube (2);
Be provided with the oil connection B (16) of connected pipes at the middle part of lower oil cylinder cover (14).
Be provided with seal cover (27) in main body (1) bilateral symmetry, the seal cover of described any side (27) uses respectively six holding screws (24) to be locked; Be provided with discharged oil pipe joint (25) and injection oil connection (29) at monosymmetric seal cover (27), the oil circuit of described discharged oil pipe joint (25), inside are connected with the oil cylinder chamber oil circuit of discharging control piston (26) respectively;
The oil circuit of described injection oil connection (29), inside are connected with the oil cylinder chamber oil circuit of injection control piston (28) respectively.
The present invention compared with prior art, its beneficial effect is, compound can form the head-on collision of " V " font and sprays when injection, and forms vortex shape and repeatedly mix, and needn't increase auxiliary equipment and just injection-tube directly can be inserted the goods mould and inject.
Description of drawings
Fig. 1 is structure cross-sectional schematic of the present invention.
Among the figure: 1 main body, 2 cylinder tubes, 3 injection-tubes, 4 piston rods, 5 tighten nut, 6 times clamp nuts, 7 oil connection A, 8 cylinder caps that oil, 9 sealing ring A, 10 piston locknuts, 11 pistons, 12 sealing ring B, 13 sealing ring C, 14 lower oil cylinder covers, 15 fixed disks, 16 oil connection B, 17 oil cylinder connectors, 18 cleaning heads, 19 fixed screws, 20 locknuts suitable for reading, 21 flanges, 22 adjust screw rod, 23 piston packings, 24 holding screws, 25 discharged oil pipe joints, 26 discharging control pistons, 27 seal covers, 28 injection control pistons, 29 injection oil connections, 30 feedback outlet joints, 31 mounting flanges, 32 charging aperture joints, 33 discharging openings, 34 feedback outlets.
The specific embodiment
As shown in Figure 1, injection-tube 3 is provided with an end of spiral shell button, is inserted through the mesopore of main body 1, is locked on the main body 1 with locknut 20 suitable for reading.Also be on injection-tube 3 in main body 1 bottom, fixing or be installed by welding with mounting flange 31.
The top of the main body 1 vertical with main body 1 mesopore is provided with oil cylinder connector 17, and described oil cylinder connector 17 following flange 21 usefulness fixed screws 19 are installed on the main body 1.Be provided with spiral shell buckles with lower oil cylinder cover 14 screws and is connected in the upper inside of oil cylinder connector 17.Be provided with peep hole in oil cylinder connector 17 both sides, be used for observing the working condition of cleaning 18.
End at lower clamp nut 6, be provided with platen, 15 screw threads with cylinder tube 2 bottoms of fixed disk that described platen is enclosed within lower oil cylinder cover 14 are spirally connected, be provided with the mounting groove that two sealing ring C13 are installed on fixed disk 15 tops of lower oil cylinder cover 14, sealing ring C13 is connected with the inner wall sealing formula of cylinder tube 2.
The screw thread on cylinder tube 2 tops is spirally connected with the screw thread that tightens in the nut 5, and the described fixed disk top that tightens on nut 5 the tops platen that arranges and the cylinder cap 8 that oils is connected.
On cylinder cap 8 tops that oil oil connection A7 is installed, described oil connection A7 is connected with high-pressure oil pipe.
At the cylinder cap 8 that oils the mounting groove that two sealing ring A 9 are installed is set, sealing ring A 9 is connected with the inner wall sealing formula of cylinder tube 2.
Be provided with the oil connection B16 of connected pipes at the middle part of lower oil cylinder cover 14.
Be provided with seal cover 27 in main body 1 bilateral symmetry, the seal cover 27 of described any side is locked with six holding screws 24 respectively.Be provided with discharged oil pipe joint 25 and injection oil connection 29 at monosymmetric seal cover 27, the oil circuit of described discharged oil pipe joint 25, inside is connected with the oil cylinder chamber oil circuit of discharging control piston 26 respectively.The oil circuit of described injection oil connection 29, inside are connected with the oil cylinder chamber oil circuit of injection control piston 28 respectively.
Both sides at main body 1 interior injection-tube 3, be respectively arranged with two polyurethane material chambeies, described polyurethane material chamber line centered by injection-tube 3 is symmetrical arranged, the continuous material road that the chamber is arranged in two chambeies of any side of center line, material road and oil circuit are with discharging control piston 26 and 28 separations of injection control piston; Oil circuit chamber and material chamber, road are named in chamber after the described separation.The chamber, road is expected near crying of injection-tube 3 in chamber after the separation; The chamber of close seal cover 27 is in the oil circuit chamber.Described discharging control piston 26 and injection control piston 28 are separately positioned in four circular chambeies, discharging control piston 26 and injection control piston 28 in circle are respectively arranged with two to four seal grooves, all be provided with piston packing 23 and seal with the chamber endosome in described seal groove.Described discharging control piston 26 1 sides are provided with the bullet that can block discharging opening 33 that matches with discharging opening 33.Described injection control piston 28 1 sides are provided with the bullet that can block feedback outlet 34 that matches with feedback outlet 34.
Be provided with the adjustment screw rod 22 of two symmetries at discharging opening 33 middle parts, described adjustment screw rod 22 1 ends are provided with the adjusting lever other end and are provided with the spiral shell button that is spirally connected with main body 1, and the middle part is provided with the two seals circle.Through the adjustment to the adjustment screw rod 22 of two symmetries, the material that makes the discharging opening 33 of two symmetries inject ejection forms V-shape, make when injection compound form the head-on collision of " V " font and spray, and the formation vortex shape repeatedly mixes.
When the oil extruding that discharging control piston 26 is entered from oil connection 25 is pushed into the direction of injection-tube 3, symmetrically arranged two discharging openings 33 of line are closed centered by injection-tube 3, expect that simultaneously the increased pressure promotion injection control piston 28 in the chamber, road moves to seal cover 27 directions, makes the oil in the oil cylinder chamber of injection control piston 28 flow to the magnetic valve direction by injection oil connection 29.
The feedback outlet joint 30 of polyurethane material links to each other with the feed back pipeline.Polyurethane material charging aperture joint 32 links to each other with the measuring pump pipeline.Polyurethane material sprays through discharging opening 33 and enters in the injection-tube during discharging.
Operation principle: with measuring pump with polyurethane material through charging aperture joint 32 enter the material chamber in.
Controlled the effect of magnetic valve normal pressure pipeline when not working by oil pump and oil circuit, hydraulic oil is entered in the oil cylinder behind the mineralization pressure through discharged oil pipe joint 25, with discharging opening 33 sealings, by the pressure of measuring pump itself, to inject control piston 28 pressures through polyurethane material and push back the position, circulation in forming.
During work by circuit oil circuit control reversing solenoid valve, to inject control piston 28 pressures and be pushed into feedback outlet 34, polyurethane feedback outlet joint 30 is blocked, by the pressure of measuring pump own discharging control piston 26 is opened, enter through discharging opening 33 injections and form the injection of " V " font collisional mixing in the injection-tube.Inject complete by the effect of oil circuit control magnetic valve normal pressure, set back, enter cylinder tube 2 by oil circuit control solenoid control oil pipe oil circuit through oil connection A7 subsequently, be depressed into piston 11 descending through the pressure of hydraulic oil, the cleaning 18 that drives on the piston rod 4 is descending, carries out the injection-tube inner wall cleaning.Clean out by the automatic oil circuit control control of circuit magnetic valve hydraulic oil is made piston 11 drive piston rods 4 up returns in oil connection B16 is pressed into cylinder tube 2, finish this injection.
Claims (9)
1. " V " font high pressure collides polyurethane foam mixing head, it is characterized in that, on main body (1), be provided with the adjustment screw rod (22) of two symmetries, process is to the adjustment of the adjustment screw rod (22) of two symmetries, make the discharging opening (33) of two symmetries inject the material formation V-shape that sprays, make compound formation " V " font head-on collision injection when injection, and the formation vortex shape mixes repeatedly.
2. a kind of foam mixing head according to claim 1, it is characterized in that, be provided with the adjustment screw rod (22) of two symmetries at discharging opening (33) middle part, described adjustment screw rod (22) one ends are provided with the adjusting lever other end and are provided with the spiral shell button that is spirally connected with main body (1), and the middle part is provided with the two seals circle.
3. a kind of foam mixing head according to claim 1, it is characterized in that, the both sides of injection-tube (3) in main body (1), be respectively arranged with two polyurethane material chambeies, described polyurethane material chamber line centered by injection-tube (3) is symmetrical arranged, the continuous material road that the chamber is arranged in two chambeies of any side of center line, material road and oil circuit are with discharging control piston (26) and inject control piston (28) separation; Oil circuit chamber and material chamber, road are named in chamber after the described separation; The chamber, road is expected near crying of injection-tube 3 in chamber after the separation; The chamber of close seal cover (27) is in the oil circuit chamber;
Described discharging control piston (26) and injection control piston (28) are separately positioned in four circular chambeies, discharging control piston (26) and injection control piston (28) in circle are respectively arranged with two to four seal grooves, all be provided with piston packing (23) and seal with the chamber endosome in described seal groove; Described discharging control piston (26) one sides are provided with the bullet that can block discharging opening (33) that matches with discharging opening (33); Described injection control piston (28) one sides are provided with the bullet that can block feedback outlet (34) that matches with feedback outlet (34);
When the oil extruding that discharging control piston (26) is entered from oil connection (25) is pushed into the direction of injection-tube (3), symmetrically arranged two discharging openings of line (33) are closed centered by injection-tube (3), expect that simultaneously the increased pressure promotion injection control piston (28) in the chamber, road moves to seal cover (27) direction, make the oil in the oil cylinder chamber of injection control piston (28) flow to the magnetic valve direction by injection oil connection (29).
4. a kind of foam mixing head according to claim 1 is characterized in that, is provided with seal cover (27) in main body (1) bilateral symmetry, and the seal cover of described any side (27) uses respectively six holding screws (24) to be locked;
Be provided with discharged oil pipe joint (25) and injection oil connection (29) at monosymmetric seal cover (27), the oil circuit of described discharged oil pipe joint (25), inside are connected with the oil cylinder chamber oil circuit of discharging control piston (26) respectively; The oil circuit of described injection oil connection (29), inside are connected with the oil cylinder chamber oil circuit of injection control piston (28) respectively.
5. a kind of foam mixing head according to claim 1 is characterized in that, injection-tube (3) is provided with an end of spiral shell button, is inserted through the mesopore of main body (1), is locked on the main body (1) with locknut suitable for reading (20); Also be on injection-tube (3) in main body (1) bottom, fixing or be installed by welding with mounting flange (31).
6. a kind of foam mixing head according to claim 1, it is characterized in that, the top of the main body (1) vertical with main body (1) mesopore, be provided with oil cylinder connector (17), the following flange (21) of described oil cylinder connector (17) is installed on the main body (1) with fixed screw (19); Be provided with spiral shell buckles with lower oil cylinder cover (14) screw and is connected in the upper inside of oil cylinder connector (17); Be provided with peep hole in oil cylinder connector (17) both sides, be used for observing the working condition of cleaning head (18);
7. a kind of foam mixing head according to claim 6, it is characterized in that, cleaning head (18) top is installed in piston rod (4) bottom piston (11) is installed, at piston (11) sealing ring B (12) is installed, the inwall of sealing ring B (12) and cylinder tube (2) up and down friction-type sealing slides;
Described piston rod (4) is arranged in the endoporus of lower oil cylinder cover (14), and the screw thread on piston rod (4) top is bolted with piston (11) and locks with locknut (10).
8. a kind of foam mixing head according to claim 7, it is characterized in that, end at lower clamp nut (6), be provided with platen, described platen is enclosed within fixed disk (15) section of lower oil cylinder cover (14) and the screw thread of cylinder tube (2) bottom is spirally connected, be provided with the mounting groove that two sealing ring C (13) are installed on fixed disk (15) top of lower oil cylinder cover (14), sealing ring C (13) is connected with the inner wall sealing formula of cylinder tube (2);
The screw thread on cylinder tube (2) top is spirally connected with the screw thread that tightens in the nut (5), describedly tightens platen that nut (5) top arranges and pushes up with fixed disk on the cylinder cap that oils (8) and be connected;
On the cylinder cap that oils (8) top oil connection A (7) is installed, described oil connection A (7) is connected with high-pressure oil pipe;
At the cylinder cap that oils (8) mounting groove that two sealing ring A (9) are installed is set, sealing ring A (9) is connected with the inner wall sealing formula of cylinder tube (2);
Be provided with the oil connection B (16) of connected pipes at the middle part of lower oil cylinder cover (14).
9. a kind of foam mixing head according to claim 1 is characterized in that, is provided with seal cover (27) in main body (1) bilateral symmetry, and the seal cover of described any side (27) uses respectively six holding screws (24) to be locked; Be provided with discharged oil pipe joint (25) and injection oil connection (29) at monosymmetric seal cover (27), the oil circuit of described discharged oil pipe joint (25), inside are connected with the oil cylinder chamber oil circuit of discharging control piston (26) respectively; The oil circuit of described injection oil connection (29), inside are connected with the oil cylinder chamber oil circuit of injection control piston (28) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210272222.XA CN102962941B (en) | 2012-08-02 | 2012-08-02 | A kind of " V " font high-pressure impingement polyurethane foam mixing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210272222.XA CN102962941B (en) | 2012-08-02 | 2012-08-02 | A kind of " V " font high-pressure impingement polyurethane foam mixing head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102962941A true CN102962941A (en) | 2013-03-13 |
| CN102962941B CN102962941B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210272222.XA Expired - Fee Related CN102962941B (en) | 2012-08-02 | 2012-08-02 | A kind of " V " font high-pressure impingement polyurethane foam mixing head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619685A (en) * | 2015-12-25 | 2016-06-01 | 天合富奥汽车安全系统（长春）有限公司 | Three-component mixing head for V-type bi-injection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5884747A (en) * | 1981-11-13 | 1983-05-20 | Hitachi Ltd | Mixing head for reaction injection molding machine |
| CN101537667A (en) * | 2008-03-17 | 2009-09-23 | 王瑞启 | Low-pressure no-clean polyurethane foam mixing head |
| CN102216045A (en) * | 2008-11-27 | 2011-10-12 | 井上株式会社 | Mixing head apparatus and molding method using the apparatus |
| CN202685182U (en) * | 2012-08-02 | 2013-01-23 | 王瑞启 | V-shaped high pressure collision polyurethane foaming mixing head |
-
2012
- 2012-08-02 CN CN201210272222.XA patent/CN102962941B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5884747A (en) * | 1981-11-13 | 1983-05-20 | Hitachi Ltd | Mixing head for reaction injection molding machine |
| CN101537667A (en) * | 2008-03-17 | 2009-09-23 | 王瑞启 | Low-pressure no-clean polyurethane foam mixing head |
| CN102216045A (en) * | 2008-11-27 | 2011-10-12 | 井上株式会社 | Mixing head apparatus and molding method using the apparatus |
| CN202685182U (en) * | 2012-08-02 | 2013-01-23 | 王瑞启 | V-shaped high pressure collision polyurethane foaming mixing head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619685A (en) * | 2015-12-25 | 2016-06-01 | 天合富奥汽车安全系统（长春）有限公司 | Three-component mixing head for V-type bi-injection |
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| Publication number | Publication date |
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| CN102962941B (en) | 2015-08-19 |
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