CN105619685A - Three-component mixing head for V-type bi-injection - Google Patents
Three-component mixing head for V-type bi-injection Download PDFInfo
- Publication number
- CN105619685A CN105619685A CN201510985602.1A CN201510985602A CN105619685A CN 105619685 A CN105619685 A CN 105619685A CN 201510985602 A CN201510985602 A CN 201510985602A CN 105619685 A CN105619685 A CN 105619685A
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- mill base
- core block
- valve piston
- input hole
- component
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
Abstract
The invention discloses a three-component mixing head for V-type bi-injection. The three-component mixing head for V-type bi-injection comprises a pressure-regulating core block and a small piston, wherein an installation hole for a push rod of the small piston, a colour paste input hole, a colour paste output hole and the like are arranged in the pressure-regulating core block; an included angle is formed between the colour paste input hole and a mixed injection area; a first high-pressure circulation groove, a second high-pressure circulation groove and a colour paste circulation groove are arranged in the push rod of the small piston; the first high-pressure circulation groove and the second high-pressure circulation groove are symmetrically arranged; the colour paste circulation groove is located in the symmetrical centre line of the first high-pressure circulation groove and the second high-pressure circulation groove; the push rod of the small piston is installed in the installation hole for the push rod of the small piston, in the pressure-regulating core block in a manner of clearance fit, and the push rod of the small piston is capable of carrying out straight reciprocating motion along the installation hole for the push rod of the small piston; and a first-component colour paste, a second-component ISO and a third-component POL form oblique-thrust collision with a V-type included angle in the mixed injection area, and the ISO and the POL form V-type oblique-thrust collision in two directions, that is, an over-looking direction and a side-looking direction respectively. According to the invention, the three components are capable of realizing adequate collision; more thorough mixing, higher quality and high mixing effect are achieved; and the mixing effect is furthest optimized, and thorough mixing is realized due to two times of collision.
Description
Technical field
The invention belongs to foaming frock technical field, relate to three component mixing heads of a kind of V-type correlation; It is particularly well-suited to steering wheel foaming manufacture.
Background technology
Foaming is puted forth effort to avoid owing technical task full, that defect such as generation pore, dark hole etc. is always up this area engineers and technicians' exploratory development; Conventional engineers and technicians' research and probe is more is the thinking on material (chemical raw material) formula with technical parameter.
The mixing head of foaming manufacture has two component mixing heads, three component mixing heads, four component mixing heads, six components to mix first-class.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, existing three component mixing heads include pressure regulation core block, valve piston; Pressure regulation core block has mill base input hole, mill base delivery outlet, ISO input hole, ISO delivery outlet, POL input hole, POL delivery outlet, batch mixing delivery outlet; Valve piston has cycle of higher pressure groove 2, mill base circulating slot 1, mill base injection centre bore 1.
During cycle of higher pressure, mill base enters along pressure regulation core block mill base input hole, enters valve piston mill base circulating slot, then flows out from pressure regulation core block mill base delivery outlet; ISO enters along pressure regulation core block ISO input hole, enters valve piston cycle of higher pressure groove, then flows out from pressure regulation core block ISO delivery outlet; POL enters along pressure regulation core block POL input hole, enters valve piston cycle of higher pressure groove, then flows out from pressure regulation core block POL delivery outlet.
During perfusion; ISO enters along pressure regulation core block ISO input hole, and corner enters horizontal mixed water injection district; POL enters along pressure regulation core block POL input hole, and corner enters horizontal mixed water injection district; Mill base enters along pressure regulation core block mill base input hole, sprays centre bore corner then through valve piston mill base and becomes horizontal-jet to exit into horizontal mixed water injection district; Three components liquidate collision in horizontal mixed water injection district level; Then three components flow out from horizontal mixed water injection district center batch mixing delivery outlet.
Shortcoming is: on the one hand, mill base enters along pressure regulation core block mill base input hole, spraying centre bore corner then through valve piston mill base becomes horizontal-jet to flow out, three components liquidate collision in horizontal mixed water injection district level, mill base, ISO, POL fail to realize abundant collision, mixed effect is not good enough, and foaming is owed full, is easily generated the defect such as pore, dark hole, and product percent defective is high; Secondly, mill base need to spray centre bore through valve piston mill base and enter pressure regulation core block center batch mixing delivery outlet, is easily generated pouring in down a chimney of the relatively small piston center hole of ISO, POL during perfusion, causes the injection centre bore blocking of valve piston mill base, and equipment failure rate is high, need to often keep in repair; The third aspect, valve piston mill base injection centre bore, process for machining and manufacturing is complicated, is easily generated stress central hot water supply system during quenching, and small piston rod portion intensity reduces.
Summary of the invention
The invention discloses a kind of V-type correlation three component mixing head, to solve in prior art, mill base is through the injection centre bore corner outflow of valve piston mill base, and mill base, ISO, POL fail to realize abundant collision; Mixed effect is not good enough, and foaming is owed full, is easily generated pore, is secretly cheated, and product percent defective is high; Pouring in down a chimney of the relatively small piston center hole of ISO, POL it is easily generated during perfusion, the injection centre bore blocking of valve piston mill base, equipment failure rate is high; Valve piston process for machining and manufacturing is complicated, is easily generated the problems such as stress concentration during quenching.
The present invention includes pressure regulation core block, valve piston; Pressure regulation core block includes valve piston push rod installing hole, mill base input hole, mill base delivery outlet, ISO input hole, ISO delivery outlet, POL input hole, POL delivery outlet, mixed water injection district, batch mixing delivery outlet; Between mill base input hole and mixed water injection district, there is angle; The push rod of valve piston has the first cycle of higher pressure groove, the second cycle of higher pressure groove, mill base circulating slot; First cycle of higher pressure groove, the second cycle of higher pressure groove are arranged symmetrically with; Mill base circulating slot is positioned in the first cycle of higher pressure groove, the second cycle of higher pressure groove symmetrical center line; The push rod clearance of valve piston coordinates in the valve piston push rod installing hole being arranged on pressure regulation core block, and valve piston push rod can move along valve piston push rod installing hole linear reciprocation.
When cycle of higher pressure, valve piston push rod moves inward (valve piston push rod is in position shown in Fig. 9), and mill base input hole, mill base delivery outlet on pressure regulation core block are connected with the mill base circulating slot on valve piston; ISO input hole, ISO delivery outlet on pressure regulation core block are connected with the first cycle of higher pressure groove on valve piston; POL input hole, POL delivery outlet on pressure regulation core block are connected with the second cycle of higher pressure groove on valve piston; First component mill base enters along pressure regulation core block mill base input hole, enters valve piston mill base circulating slot, then flows out from pressure regulation core block mill base delivery outlet; Second component ISO enters along pressure regulation core block ISO input hole, enters valve piston cycle of higher pressure groove, then flows out from pressure regulation core block ISO delivery outlet; 3rd component POL enters along pressure regulation core block POL input hole, enters valve piston cycle of higher pressure groove, then flows out from pressure regulation core block POL delivery outlet.
When perfusion, valve piston push rod is displaced outwardly, and valve piston push rod clearance seals mill base delivery outlet, ISO delivery outlet, POL delivery outlet, and mill base input hole, ISO input hole, POL input hole are connected with mixed water injection district; Second component ISO enters mixed water injection district along pressure regulation core block ISO input hole; 3rd component POL enters mixed water injection district along pressure regulation core block POL input hole; First component mill base enters mixed water injection district along pressure regulation core block mill base input hole; First component mill base and second component ISO, the 3rd component POL be the collision of V-shaped angle oblique impact in mixed water injection district, and second component ISO, the 3rd component POL overlook V-shaped oblique impact collision respectively in direction, side-looking direction both direction; This V-shaped oblique impact collision respectively in vertical view direction, side-looking direction both direction, after making two component initial collisions, also has 2 times and later collides, and well-mixed three components flow out from pressure regulation core block center batch mixing delivery outlet.
There are between mill base input hole of the present invention and mixed water injection district 90 �� of angles.
The positive effect of the present invention is in that: three components can realize fully collision; Mixed effect is good; Pouring in down a chimney without the relatively small piston center hole of ISO, POL during perfusion, valve piston mill base injection centre bore, without plugging fault, improves production efficiency, saves process time and maintenance time, reduce spare part expense; Adopting V-type to clash into can avoid what collision types configuration in old-fashioned 180 �� brought string mixes bad problem, and mixing is more thorough, and quality is more excellent; After component injection, rebound after being mapped to valve piston rod end (portion's circular arc) face and valve piston installing hole arc surface, increase the mix homogeneously type in hybrid chamber further, thus optimizing mixed effect to greatest extent, colliding for twice and being thoroughly mixed.
Accompanying drawing explanation
Fig. 1 is existing structure valve piston structural representation;
Fig. 2 is existing structure valve piston sectional view;
Fig. 3 is existing structure cycle of higher pressure working state structure schematic diagram;
Fig. 4 is existing structure cycle of higher pressure duty E-E sectional view;
Fig. 5 is existing structure perfusion working state structure schematic diagram;
Fig. 6 is existing structure perfusion duty E-E sectional view;
Fig. 7 is valve piston structural representation of the present invention;
Fig. 8 is cycle of higher pressure working state schematic representation of the present invention;
Fig. 9 is cycle of higher pressure duty D-D sectional view of the present invention;
Figure 10 is cycle of higher pressure duty E-E sectional view of the present invention;
Figure 11 is that the present invention irrigates working state schematic representation;
Figure 12 is that the present invention irrigates duty G-G sectional view;
Figure 13 is that the present invention irrigates duty F-F sectional view;
In figure: 1, pressure regulation core block; 2, valve piston; 1a, mill base input hole; 1b, mill base delivery outlet; 1c, ISO input hole; 1d, ISO delivery outlet; 1e, POL input hole; 1f, POL delivery outlet; 1g, mixed water injection district; 1h, batch mixing delivery outlet; 2a, cycle of higher pressure groove; 2b, mill base circulating slot; 2c, mill base injection centre bore; SJ, the first component mill base; ISO, second component; POL, the 3rd component.
Detailed description of the invention
One embodiment of the present of invention is described in detail below in conjunction with accompanying drawing.
The invention process is such as shown in Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, including pressure regulation core block 1, valve piston 2.
As it is shown in fig. 7, the push rod of valve piston 2 has symmetrical high circulating slot 2a, mill base circulating slot 2b; Mill base circulating slot 2b is positioned in the symmetrical center line of symmetrical high circulating slot 2a;
As shown in Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, pressure regulation core block 1 includes valve piston push rod installing hole, mill base input hole 1a, mill base delivery outlet 1b, ISO input hole 1c, ISO delivery outlet 1d, POL input hole 1e, POL delivery outlet 1f, mixed water injection district 1g, batch mixing delivery outlet 1h.
As shown in Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, the push rod clearance of valve piston 2 coordinates in the valve piston push rod installing hole being arranged on pressure regulation core block 1, and valve piston 2 push rod can move along valve piston push rod installing hole linear reciprocation.
As shown in Fig. 8, Fig. 9, Figure 10, when cycle of higher pressure, valve piston 2 push rod moves inward, and mill base input hole 1a, mill base delivery outlet 1b on pressure regulation core block 1 are connected with the mill base circulating slot 2b on valve piston 2; ISO input hole 1c, ISO delivery outlet 1d on pressure regulation core block 1 is connected with the side cycle of higher pressure groove 2a on valve piston 2; POL input hole 1e, POL delivery outlet 1f on pressure regulation core block 1 is connected with the opposite side cycle of higher pressure groove 2a on valve piston 2; First component mill base SJ enters along pressure regulation core block 1 mill base input hole 1a, enters valve piston 2 mill base circulating slot 2b, then flows out from pressure regulation core block 1 mill base delivery outlet 1b; Second component ISO enters along the ISO input hole 1c of pressure regulation core block 1, enters the side cycle of higher pressure groove 2a of valve piston 2, then flows out from the ISO delivery outlet 1d of pressure regulation core block 1; 3rd component POL enters along the POL input hole 1e of pressure regulation core block 1, enters valve piston 2 opposite side cycle of higher pressure groove 2a, then flows out from the POL delivery outlet 1f of pressure regulation core block 1.
As shown in Figure 11, Figure 12, Figure 13, when perfusion, valve piston 2 push rod is displaced outwardly, and valve piston 2 push rod clearance seals mill base delivery outlet 1b, ISO delivery outlet 1d, POL delivery outlet 1f, and mill base input hole 1a, ISO input hole 1c, POL input hole 1e is connected with mixed water injection district 1g; Second component ISO enters mixed water injection district 1g along the ISO input hole 1c of pressure regulation core block 1; 3rd component POL enters mixed water injection district 1g along pressure regulation core block POL input hole 1e; First component mill base SJ enters mixed water injection district 1g along the mill base input hole 1a of pressure regulation core block 1; First component mill base SJ and second component ISO, the 3rd component POL are in the V-shaped angle oblique impact collision of mixed water injection district 1g, wherein, ISO, POL overlook V-shaped oblique impact collision respectively in direction, side-looking direction both direction, this V-shaped oblique impact collision respectively in vertical view direction, side-looking direction both direction, after making two component initial collisions, also having 2 later collisions, well-mixed three components flow out from the batch mixing delivery outlet 1h at pressure regulation core block 1 center.
Claims (2)
1. a V-type correlation three component mixing head; Including pressure regulation core block, valve piston; Pressure regulation core block includes valve piston push rod installing hole, mill base input hole, mill base delivery outlet, ISO input hole, ISO delivery outlet, POL input hole, POL delivery outlet, mixed water injection district, batch mixing delivery outlet; Between mill base input hole and mixed water injection district, there is angle; The push rod of valve piston has the first cycle of higher pressure groove, the second cycle of higher pressure groove, mill base circulating slot; First cycle of higher pressure groove, the second cycle of higher pressure groove are arranged symmetrically with; Mill base circulating slot is positioned in the first cycle of higher pressure groove, the second cycle of higher pressure groove symmetrical center line; The push rod clearance of valve piston coordinates in the valve piston push rod installing hole being arranged on pressure regulation core block, and valve piston push rod can move along valve piston push rod installing hole linear reciprocation; When cycle of higher pressure, valve piston push rod moves inward, and mill base input hole, mill base delivery outlet on pressure regulation core block are connected with the mill base circulating slot on valve piston; ISO input hole, ISO delivery outlet on pressure regulation core block are connected with the first cycle of higher pressure groove on valve piston; POL input hole, POL delivery outlet on pressure regulation core block are connected with the second cycle of higher pressure groove on valve piston; First component mill base enters along pressure regulation core block mill base input hole, enters valve piston mill base circulating slot, then flows out from pressure regulation core block mill base delivery outlet; Second component ISO enters along pressure regulation core block ISO input hole, enters valve piston cycle of higher pressure groove, then flows out from pressure regulation core block ISO delivery outlet; 3rd component POL enters along pressure regulation core block POL input hole, enters valve piston cycle of higher pressure groove, then flows out from pressure regulation core block POL delivery outlet; When perfusion, valve piston push rod is displaced outwardly, and valve piston push rod clearance seals mill base delivery outlet, ISO delivery outlet, POL delivery outlet, and mill base input hole, ISO input hole, POL input hole are connected with mixed water injection district; Second component ISO enters mixed water injection district along pressure regulation core block ISO input hole; 3rd component POL enters mixed water injection district along pressure regulation core block POL input hole; First component mill base enters mixed water injection district along pressure regulation core block mill base input hole; It is characterized in that: the first component mill base and second component ISO, the 3rd component POL be the collision of V-shaped angle oblique impact in mixed water injection district, second component ISO, the 3rd component POL overlook V-shaped oblique impact collision respectively in direction, side-looking direction both direction.
2. a kind of V-type correlation three component mixing head according to claim 1; It is characterized in that: there are between mill base input hole and mixed water injection district 90 �� of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985602.1A CN105619685B (en) | 2015-12-25 | 2015-12-25 | A kind of V-type is to the three component mixing heads penetrated |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985602.1A CN105619685B (en) | 2015-12-25 | 2015-12-25 | A kind of V-type is to the three component mixing heads penetrated |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105619685A true CN105619685A (en) | 2016-06-01 |
| CN105619685B CN105619685B (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510985602.1A Active CN105619685B (en) | 2015-12-25 | 2015-12-25 | A kind of V-type is to the three component mixing heads penetrated |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451222A (en) * | 2020-03-18 | 2020-07-28 | 成都东日瑞姆机械有限公司 | Polyurethane foaming equipment capable of adding powder components and pouring in multiple flow passages |
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| CN202010522U (en) * | 2011-03-28 | 2011-10-19 | 东莞市骏颖机械制造有限公司 | High pressure mixing head |
| CN202685182U (en) * | 2012-08-02 | 2013-01-23 | 王瑞启 | V-shaped high pressure collision polyurethane foaming mixing head |
| CN102962941A (en) * | 2012-08-02 | 2013-03-13 | 王瑞启 | V-shaped high-pressure collision polyurethane foam mixing head |
| CN103991159A (en) * | 2014-05-14 | 2014-08-20 | 天合富奥汽车安全系统（长春）有限公司 | Three-component mixing head for injection molding |
| CN203863905U (en) * | 2014-05-14 | 2014-10-08 | 天合富奥汽车安全系统（长春）有限公司 | Three-component mixing head for foaming and forming of steering wheel |
| CN205310649U (en) * | 2015-12-25 | 2016-06-15 | 天合富奥汽车安全系统（长春）有限公司 | Three component mixing heads of fashioned correlation are used for foaming |
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2015
- 2015-12-25 CN CN201510985602.1A patent/CN105619685B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902850A (en) * | 1974-03-18 | 1975-09-02 | Upjohn Co | Solvent-free, self-cleaning mixing head nozzles for reactive polymer mixes |
| CN202010522U (en) * | 2011-03-28 | 2011-10-19 | 东莞市骏颖机械制造有限公司 | High pressure mixing head |
| CN202685182U (en) * | 2012-08-02 | 2013-01-23 | 王瑞启 | V-shaped high pressure collision polyurethane foaming mixing head |
| CN102962941A (en) * | 2012-08-02 | 2013-03-13 | 王瑞启 | V-shaped high-pressure collision polyurethane foam mixing head |
| CN103991159A (en) * | 2014-05-14 | 2014-08-20 | 天合富奥汽车安全系统（长春）有限公司 | Three-component mixing head for injection molding |
| CN203863905U (en) * | 2014-05-14 | 2014-10-08 | 天合富奥汽车安全系统（长春）有限公司 | Three-component mixing head for foaming and forming of steering wheel |
| CN205310649U (en) * | 2015-12-25 | 2016-06-15 | 天合富奥汽车安全系统（长春）有限公司 | Three component mixing heads of fashioned correlation are used for foaming |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451222A (en) * | 2020-03-18 | 2020-07-28 | 成都东日瑞姆机械有限公司 | Polyurethane foaming equipment capable of adding powder components and pouring in multiple flow passages |
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| Publication number | Publication date |
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| CN105619685B (en) | 2018-04-10 |
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