CN104493996A - Mixing device of polyurethane raw material - Google Patents
Mixing device of polyurethane raw material Download PDFInfo
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- CN104493996A CN104493996A CN201510013122.9A CN201510013122A CN104493996A CN 104493996 A CN104493996 A CN 104493996A CN 201510013122 A CN201510013122 A CN 201510013122A CN 104493996 A CN104493996 A CN 104493996A
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Abstract
The invention discloses a mixing device of a polyurethane raw material. The mixing device comprises a mixing barrel with a barrel bottom, wherein the mixing barrel is formed by convoluting a first sub barrel body and a second sub barrel body which are of a Haff structure, sealing strips which can be mutually convoluted and sealed, are arranged on convoluting surfaces of the first sub barrel body and the second sub barrel body, respectively, a first connecting supporting leg is arranged on each of two sides of the upper end of the first sub barrel body, a second connecting supporting lug is arranged on each of two sides of the upper end of the second sub barrel body, the first connecting supporting lug and the second connecting supporting lug which are positioned at the same side are respectively hinged onto a mounting shaft on a rack at the side, and convoluting surfaces of the first sub barrel body and the second sub barrel body can be separated from each other to ensure that the material in the mixing barrel falls under the drive of an opening-closing drive device. The mixing device has the advantages that a remained material on the inner wall of the mixing barrel can be prevented from falling on a polyurethane material formed in a foaming box, so that the quality of a foamed product is ensured.
Description
Technical field
The present invention relates to polyurethane foam production equipment technical field, be specifically related to the mixing device of urethane raw.
Background technology
Urethane raw for the production of the product such as auto sound, thermal insulation barriers mainly comprises---isocyanates, PPG, graphite, additive.During production, mix in the mixing device needing above-mentioned raw materials to join urethane raw.The structure of the mixing device of traditional urethane raw comprises: frame, frame can upper and lowerly be elevated under the driving of lifting drive, frame is provided with the mixing tank of top tape charging aperture, the bottom of mixing tank is uncovered, the shaft of lower end band agitator arm is provided with in mixing tank, the upper end of shaft is stretched out agitator and is driven by the mixer drive be arranged on installing rack, and under the driving of mixer drive, shaft can drive the agitator arm on it to rotate.When needing batch mixing, frame declines until the bottom of mixing tank and the bottom close contact of foam box, in order to ensure mixing tank cleaning inside and improve the utilization rate of urethane raw, the inwall of mixing tank need lay layer of plastic film, and then add urethane raw in mixing tank, mixer drive drives agitator arm constantly to stir, and stirs to terminate afer bay and rise and upwards mentioned by mixing tank, and the material in mixing tank drops and to foam in foam box from uncovered bottom mixing tank.
The defect of traditional mixing device is: one, easily form fold during covering plastic thin film, and urethane raw can remain in fold, thus really cannot make full use of urethane raw; Two, after having stirred, in the process that frame drives mixing tank to move upward, material residual on mixing tank inwall can drop uncovered at the bottom of mixing tank bucket in the material that foaming in foam box, makes the material of foaming in foam box forms hole, thus causes product defects.
Summary of the invention
The object of the invention is: a kind of mixing device that can effectively prevent material remaining on mixing tank inwall to be dropped in the urethane raw in foam box is provided
For achieving the above object, the technical solution used in the present invention is: the mixing device of urethane raw, comprise: frame, frame is provided with the mixing tank of top tape charging aperture, the shaft of lower end band agitator arm is provided with in mixing tank, mixing tank is stretched out in the upper end of shaft, and driven by rack-mounted mixer drive, under the driving of mixer drive, shaft can drive the agitator arm on it to rotate, at the bottom of mixing tank is provided with barrel, and mixing tank is combined to form by first point of staving of half slide structure and second point of staving, the bucket wall of first point of staving and second point of staving apposition position is involutory surface, the involutory surface of first point of staving and second point of staving is respectively arranged with the sealing strip of the mutual involutory sealing of energy, the both sides, upper end of first point of staving are respectively arranged with one first and connect journal stirrup, the both sides, upper end of second point of staving are respectively arranged with one second and connect journal stirrup, be positioned at first of the same side to connect journal stirrup and be connected with second in the installation shaft that journal stirrup is hinged and connected on this side frame respectively, the installation shaft concentric of both sides, first point of staving is connected with the folding driving mechanism be arranged in frame respectively with second point of staving, under the driving of folding driving mechanism, first point of staving and second point of staving can outwards or inwardly rotate around installation shaft respectively, thus order about first point of staving and second point of staving is mutually opened or mutually close up, material when first point of staving and second point of staving are opened mutually in mixing tank can fall down.
Further, the mixing device of aforesaid urethane raw, wherein, the structure of described folding driving mechanism comprises: the both sides, lower end of first point of staving connect journal stirrup bottom being respectively arranged with one first, the both sides, lower end of second point of staving connect journal stirrup bottom being respectively arranged with one second, the head of the piston rod of two the first folding cylinders respectively with connect bottom two first that journal stirrup is corresponding to be hinged, the end of the cylinder barrel of two the first folding cylinders is hinged and connected in the frame above first point of staving respectively, the head of the piston rod of two the second folding cylinders is hinged with bottom two second, chord ear is corresponding respectively, the end of the cylinder barrel of two the second folding cylinders is hinged and connected in the frame above second point of staving respectively, the piston rod of two the first folding cylinders and the piston rod of two the second folding cylinders are inwardly retracted simultaneously, the involutory surface of first point of staving and second point of staving can be driven to be separated from each other, thus material is fallen down in mixing tank, the piston rod of two the first folding cylinders and the piston rod of two the second folding cylinders outwards extend simultaneously, the sealing strip on the involutory surface of first point of staving and second point of staving can be driven mutually to draw close until mutual involutory press seal.
Further, the mixing device of aforesaid urethane raw, wherein, on the inwall of first point of staving and second point of staving by outer and in be disposed with mineral wool layer and web plate layer, first point of staving and second point of staving offer first, second respectively and vacuumizes hole, each Kong Junyu of vacuumizing vavuum pump is connected, and two vavuum pumps can vacuumize the gap between the inwall of the gap between the inwall of first point of staving and web plate layer and second point of staving and web plate layer respectively respectively.
Further, the mixing device of aforesaid urethane raw, wherein, described first, second vacuumizes hole and is screwed hole.
Further, the mixing device of aforesaid urethane raw, wherein, described mixer drive is the stirring motor be arranged on mixing tank on methods, rack, and the output shaft of stirring motor is connected with the upper end of shaft.
Advantage of the present invention is: mixing tank is combined to form by first point of staving of half slide structure and second point of staving, the involutory surface of first point of staving and second point of staving can be opened or mutual press seal mutually, after the polyurethane materials after batch mixing completes drops into foam box, the involutory surface of first point of staving and second point of bucket can close up closedown rapidly, the phenomenon that this salvage stores that effectively prevent on mixing tank inwall drops on the polyurethane materials that to carry out foaming in foam box occurs, thus ensure that the quality of foamed products; In addition, the mixing tank structure of half slide structure is adopted also to facilitate the cleaning of mixing tank inside.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of the mixing device of urethane raw of the present invention.
Fig. 2 is the perspective view of mixing tank in Fig. 1.
Fig. 3 is the internal structure schematic diagram of the mixing device of urethane raw of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, the present invention is described in further detail.
As Fig. 1, Fig. 2, shown in Fig. 3, the mixing device of urethane raw, comprise: frame 1, frame 1 is provided with the mixing tank 2 of top tape charging aperture 22, the shaft 4 of lower end band agitator arm 3 is provided with in mixing tank 2, mixing tank 2 is stretched out in the upper end of shaft 4, and driven by the mixer drive be arranged in frame 1, described mixer drive is the stirring motor 5 be arranged on mixing tank 2 on methods, rack 1, the output shaft of stirring motor 5 is connected with the upper end of shaft 4, under the driving of stirring motor 5, shaft 4 can drive the agitator arm 3 on it to rotate, at the bottom of mixing tank 2 is provided with barrel 21, and mixing tank 2 is combined to form by first point of staving 6 of half slide structure and second point of staving 7, the bucket wall of first point of staving 6 and second point of staving 7 apposition position is involutory surface, the involutory surface of first point of staving 6 and second point of staving 7 is respectively arranged with the sealing strip 8 of the mutual involutory sealing of energy, the both sides, upper end of first point of staving 6 are respectively arranged with one first and connect journal stirrup 61, the both sides, upper end of second point of staving 7 are respectively arranged with one second and connect journal stirrup 71, be positioned at first of the same side to connect journal stirrup 61 and be connected with second in the installation shaft 9 that journal stirrup 71 is hinged and connected on this side frame 1 respectively, installation shaft 9 concentric of both sides, first point of staving 6 is connected with the folding driving mechanism be arranged in frame 1 respectively with second point of staving 7, under the effect of folding driving mechanism, first point of staving 6 and second point of staving 7 can rotate around installation shaft 9 respectively, thus can mutually open or mutually close up.In the present embodiment, the structure of described folding driving mechanism comprises: the both sides, lower end of first point of staving 6 connect journal stirrup 62 bottom being respectively arranged with one first, the both sides, lower end of second point of staving 7 connect journal stirrup 72 bottom being respectively arranged with one second, the head of the piston rod of two the first folding cylinders 10 respectively with connect bottom two first that journal stirrup 62 is corresponding to be hinged, the end of the cylinder barrel of two the first folding cylinders 10 is hinged and connected in the frame 1 above first point of staving 6 respectively, the head of the piston rod of two the second folding cylinders 11 is hinged with bottom two second, chord ear 72 is corresponding respectively, the end of the cylinder barrel of two the second folding cylinders 11 is hinged and connected in the frame 1 above second point of staving 7 respectively, the piston rod of two the first folding cylinders 10 and the piston rod of two the second folding cylinders 11 are inwardly retracted simultaneously, first point of staving 6 and second point of staving 7 can be driven to rotate around installation shaft 9 respectively and mutually open, two involutory surfaces are separated from each other, thus material is fallen down in mixing tank 2, the piston rod of two the first folding cylinders 10 and the piston rod of two the second folding cylinders 11 outwards extend simultaneously, first point of staving 6 and second point of staving 7 can be driven to reversely rotate around installation shaft 9 respectively and mutually close up, the sealing strip on two involutory surfaces is drawn close mutually until mutual involutory press seal.In the present embodiment, on first point of staving 6 and second point of staving 7 inwall by outer and in be disposed with mineral wool layer 13 and web plate layer 14, first point of staving 6 and second point of staving 7 offer first, second respectively and vacuumizes hole 15,16, conveniently connect in the present embodiment, first, second vacuumizes hole 15,16 and is screwed hole, each Kong Junyu of vacuumizing vavuum pump is connected, and two vavuum pumps can vacuumize the gap between the inwall of the gap between the inwall of first point of staving 6 and web plate layer 14 and second point of staving 7 and web plate layer respectively respectively.
Operation principle is as follows: the piston rod of original state two the first folding cylinders 10 and the piston rod of two the second folding cylinders 11 are all in inside retracted mode, namely first point of staving, 6 second points of stavings 7 are in open mode, difference layer overlay plastic sheeting in first point of staving 6 and second point of staving 7 respectively, then two the first folding cylinders 10 and two the second folding cylinders 11 are started respectively, the piston rod of two the first folding cylinders 10 and two the second folding cylinders 11 outwards extends respectively simultaneously, thus first point of staving 6 and second point of staving 7 are drawn close mutually, until sealing strip 8 press seal mutually on first point of staving 6 and second point of staving 7 involutory surface, and then start the vavuum pump of both sides respectively, the vavuum pump of both sides is vacuumized the gap between the inwall of the gap between the inwall of first point of staving 6 and web plate layer 14 and second point of staving 7 and web plate layer respectively, plastic sheeting is smooth under the effect of negative-pressure sucking, entirely be laid on the inwall of the web plate layer in two stavings, greatly reduce the fold of plastic sheeting like this, thus really improve the utilization rate of urethane raw.Then urethane raw is added in mixing tank 2 from charging aperture 22, then stirring motor 5 is started, stirring motor 5 orders about shaft 4 and drives agitator arm 3 not stop to stir, thus the urethane raw in mixing tank 2 is constantly mixed, after stirring terminates, foam box is placed on immediately below mixing tank 2, drive two the first folding cylinders 10 and two the second folding cylinders 11, its piston rod is inwardly retracted respectively simultaneously, the involutory surface of such first point of staving 6 and second point of staving 7 is separated from each other, first point of staving 6 and second point of staving 7 are respectively to opening outward, the polyurethane materials that in mixing tank 2, batch mixing completes falls in foam box rapidly and foams, and then drive two the first folding cylinders 10 and two the second folding cylinders 11, its piston rod is made outwards to extend respectively simultaneously thus order about first point of staving 6 and the quick-make of second point of staving 7, occur with regard to the situation on the polyurethane materials that effectively prevents the residual material in mixing tank 2 to fall in foam box to carry out foaming like this, thus ensure that the quality of foamed products.
The invention has the advantages that: mixing tank 2 is combined to form by first point of staving 6 of half slide structure and second point of staving 7, the involutory surface of first point of staving 6 and second point of staving 7 can be opened or mutual press seal mutually, after the polyurethane materials after batch mixing completes drops into foam box, the involutory surface of first point of staving 6 and second point of staving 7 can close up closedown rapidly, thus can effectively prevent from the salvage stores on mixing tank 2 inwall from dropping carrying out in foam box the phenomenon on the polyurethane materials that foams to occur, further ensure that the quality of foamed products; In addition, the mixing tank of half slide structure also facilitates the cleaning of mixing tank 2 inside.
Claims (5)
1. the mixing device of urethane raw, comprise: frame, frame is provided with the mixing tank of top tape charging aperture, the shaft of lower end band agitator arm is provided with in mixing tank, mixing tank is stretched out in the upper end of shaft, and driven by rack-mounted mixer drive, under the driving of mixer drive, shaft can drive the agitator arm on it to rotate, it is characterized in that: at the bottom of mixing tank is provided with barrel, and mixing tank is combined to form by first point of staving of half slide structure and second point of staving, the bucket wall of first point of staving and second point of staving apposition position is involutory surface, the involutory surface of first point of staving and second point of staving is respectively arranged with the sealing strip of the mutual involutory sealing of energy, the both sides, upper end of first point of staving are respectively arranged with one first and connect journal stirrup, the both sides, upper end of second point of staving are respectively arranged with one second and connect journal stirrup, be positioned at first of the same side to connect journal stirrup and be connected with second in the installation shaft that journal stirrup is hinged and connected on this side frame respectively, the installation shaft concentric of both sides, first point of staving is connected with the folding driving mechanism be arranged in frame respectively with second point of staving, under the driving of folding driving mechanism, first point of staving and second point of staving can outwards or inwardly rotate around installation shaft respectively, thus order about first point of staving and second point of staving is mutually opened or mutually close up, material when first point of staving and second point of staving are opened mutually in mixing tank can fall down.
2. the mixing device of urethane raw according to claim 1, it is characterized in that: the structure of described folding driving mechanism comprises: the both sides, lower end of first point of staving connect journal stirrup bottom being respectively arranged with one first, the both sides, lower end of second point of staving connect journal stirrup bottom being respectively arranged with one second, the head of the piston rod of two the first folding cylinders respectively with connect bottom two first that journal stirrup is corresponding to be hinged, the end of the cylinder barrel of two the first folding cylinders is hinged and connected in the frame above first point of staving respectively, the head of the piston rod of two the second folding cylinders is hinged with bottom two second, chord ear is corresponding respectively, the end of the cylinder barrel of two the second folding cylinders is hinged and connected in the frame above second point of staving respectively, the piston rod of two the first folding cylinders and the piston rod of two the second folding cylinders are inwardly retracted simultaneously, the involutory surface of first point of staving and second point of staving can be driven to be separated from each other, thus material is fallen down in mixing tank, the piston rod of two the first folding cylinders and the piston rod of two the second folding cylinders outwards extend simultaneously, the sealing strip on the involutory surface of first point of staving and second point of staving can be driven mutually to draw close until mutual involutory press seal.
3. the mixing device of urethane raw according to claim 1 and 2, it is characterized in that: on the inwall of first point of staving and second point of staving by outer and in be disposed with mineral wool layer and web plate layer, first point of staving and second point of staving offer first, second respectively and vacuumizes hole, each Kong Junyu of vacuumizing vavuum pump is connected, and two vavuum pumps can vacuumize the gap between the inwall of the gap between the inwall of first point of staving and web plate layer and second point of staving and web plate layer respectively respectively.
4. the mixing device of urethane raw according to claim 3, is characterized in that: described first, second vacuumizes hole and be screwed hole.
5. the mixing device of urethane raw according to claim 1 and 2, is characterized in that: described mixer drive is the stirring motor be arranged on mixing tank on methods, rack, and the output shaft of stirring motor is connected with the upper end of shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013122.9A CN104493996B (en) | 2015-01-12 | 2015-01-12 | Mixing device of polyurethane raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013122.9A CN104493996B (en) | 2015-01-12 | 2015-01-12 | Mixing device of polyurethane raw material |
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| Publication Number | Publication Date |
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| CN104493996A true CN104493996A (en) | 2015-04-08 |
| CN104493996B CN104493996B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510013122.9A Active CN104493996B (en) | 2015-01-12 | 2015-01-12 | Mixing device of polyurethane raw material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0084426A2 (en) * | 1982-01-16 | 1983-07-27 | Francis Shaw Plc | Mixing machines |
| JPH0838868A (en) * | 1994-04-29 | 1996-02-13 | Buehler Ag | Batch type mixing machine |
| CN101421030A (en) * | 2006-03-03 | 2009-04-29 | 马瓦格股份公司 | Mixing drier having a spherical mixing vessel |
| CN204367213U (en) * | 2015-01-12 | 2015-06-03 | 张家港力勤机械有限公司 | The mixing device of urethane raw |
-
2015
- 2015-01-12 CN CN201510013122.9A patent/CN104493996B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0084426A2 (en) * | 1982-01-16 | 1983-07-27 | Francis Shaw Plc | Mixing machines |
| JPH0838868A (en) * | 1994-04-29 | 1996-02-13 | Buehler Ag | Batch type mixing machine |
| CN101421030A (en) * | 2006-03-03 | 2009-04-29 | 马瓦格股份公司 | Mixing drier having a spherical mixing vessel |
| CN204367213U (en) * | 2015-01-12 | 2015-06-03 | 张家港力勤机械有限公司 | The mixing device of urethane raw |
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| CN104493996B (en) | 2017-01-11 |
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