CN104493996B - Mixing device of polyurethane raw material - Google Patents
Mixing device of polyurethane raw material Download PDFInfo
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- CN104493996B CN104493996B CN201510013122.9A CN201510013122A CN104493996B CN 104493996 B CN104493996 B CN 104493996B CN 201510013122 A CN201510013122 A CN 201510013122A CN 104493996 B CN104493996 B CN 104493996B
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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 and produce equipment technical field, be specifically related to the mixing device of urethane raw.
Background technology
Isocyanates, polyether polyol, graphite, additive is mainly included for producing the urethane raw of the product such as auto sound, thermal insulation barriers.During production, mix in needing to join above-mentioned raw materials the mixing device of urethane raw.The structure of the mixing device of traditional urethane raw includes: frame, frame can upper and lower lift under the driving of lifting drive, the mixing tank of top tape charging aperture is installed in frame, the bottom of mixing tank is uncovered, the shaft of lower end band agitator arm it is provided with in mixing tank, the upper end of shaft is stretched out agitator and is driven by the mixer drive being arranged on installing rack, and under the driving of mixer drive, shaft can drive agitator arm thereon to rotate.When needing batch mixing, frame declines until the bottom of mixing tank is in close contact with the bottom 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 to lay layer of plastic film, then urethane raw is added in mixing tank, mixer drive drives agitator arm to be stirred continuously, and stirring terminates afer bay and rises and be lifted up by mixing tank, and the material in mixing tank drops uncovered bottom mixing tank and foams in foam box.
The defect of traditional mixing device is: one, easily forming fold during covering plastic thin film, urethane raw can remain in fold, thus cannot really make full use of urethane raw；Two, after having stirred, during frame drives mixing tank to move upward, on mixing tank inwall the material of residual can from mixing tank drum head uncovered drop in the material foamed in foam box, make to be formed on the material of foaming in foam box hole, thus cause product defects.
Summary of the invention
It is an object of the invention to: the mixing device of a kind of urethane raw that can effectively prevent material remaining on mixing tank inwall to be dropped in foam box is provided
nullFor achieving the above object，The technical solution used in the present invention is: the mixing device of urethane raw，Including: frame，The mixing tank of top tape charging aperture it is provided with in frame，The shaft of lower end band agitator arm it 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 agitator arm thereon to rotate，Mixing tank is provided with drum head、And mixing tank is combined to form by the first of half slide structure point of staving and second point of staving，The bucket wall of first point of staving and second point of staving apposition position is involutory surface，The sealing strip of the mutual involutory sealing of energy it is respectively arranged with on the involutory surface of first point of staving and second point of staving，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，The the first connection journal stirrup and second being positioned at the same side connects on the installation axle that journal stirrup is hinged and connected on this side frame respectively，The installation axle concentric of both sides，First point of staving and second point of staving are connected with the folding driving mechanism being arranged in frame respectively，Under the driving of folding driving mechanism，First point of staving and second point of staving inwardly or outwardly can rotate rotating around installing axle，Thus order about first point of staving and second point of staving is mutually opened or mutually close up，When first point of staving and second point of staving are mutually opened, the material in mixing tank can fall down.
nullFurther，The mixing device of aforesaid urethane raw，Wherein，The structure of described folding driving mechanism includes: the both sides, lower end of first point of staving are respectively arranged with connection journal stirrup bottom first，The both sides, lower end of second point of staving are respectively arranged with connection journal stirrup bottom second，The head of the piston rod of two the first folding cylinders respectively with connect bottom two first that journal stirrup is corresponding is 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 the most inwardly retracted，The involutory surface that can drive first point of staving and second point of staving is separated from each other，So that material falls down in mixing tank；The piston rod of two the first folding cylinders and the piston rod of two the second folding cylinders stretch out 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 compression seals.
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 glass cotton layer and web plate layer, first, second evacuation hole is offered respectively on first point of staving and second point of staving, each evacuation hole is all connected with a vacuum pump, and two vacuum pumps can carry out evacuation to the gap between gap and the inwall of second point of staving and the web plate layer between inwall and the web plate layer of first point of staving respectively respectively.
Further, the mixing device of aforesaid urethane raw, wherein, first, second described evacuation hole is screwed hole.
Further, the mixing device of aforesaid urethane raw, wherein, described mixer drive is the stirring motor being arranged on mixing tank on methods, rack, and the output shaft of stirring motor is connected with the upper end of shaft.
The invention have the advantage that mixing tank is combined to form by the first of half slide structure point of staving and second point of staving, the involutory surface of first point of staving and second point of staving can mutually be opened or mutually compress sealing, after 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 rapidly closedown, this effectively prevent the phenomenon generation that the salvage stores on mixing tank inwall drops on the polyurethane materials carrying out foaming in foam box, ensures that the quality of foamed products；Additionally, use the mixing tank structure of half slide structure also to facilitate the cleaning within mixing tank.
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
The present invention is described in further detail with preferred embodiment below in conjunction with the accompanying drawings.
nullSuch as Fig. 1、Fig. 2、Shown in Fig. 3，The mixing device of urethane raw，Including: frame 1，The mixing tank 2 of top tape charging aperture 22 it is provided with in frame 1，The shaft 4 of lower end band agitator arm 3 it 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 being arranged in frame 1，Described mixer drive is the stirring motor 5 being 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 agitator arm 3 thereon to rotate，Mixing tank 2 is provided with drum head 21、And mixing tank 2 is combined to form by the first of half slide structure point of staving 6 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 sealing strip 8 of the mutual involutory sealing of energy it is respectively arranged with on the involutory surface of first point of staving 6 and second point of staving 7，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，The the first connection journal stirrup 61 being positioned at the same side is connected with second on the installation axle 9 that journal stirrup 71 is hinged and connected on this side frame 1 respectively，Installation axle 9 concentric of both sides，First point of staving 6 is connected with the folding driving mechanism being 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 respectively around installing axle 9，It is thus possible to mutually open or mutually close up.nullIn the present embodiment，The structure of described folding driving mechanism includes: the both sides, lower end of first point of staving 6 are respectively arranged with connection journal stirrup 62 bottom first，The both sides, lower end of second point of staving 7 are respectively arranged with connection journal stirrup 72 bottom 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 is 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 the most inwardly retracted，First point of staving 6 can be driven to rotate rotating around installation axle 9 with second point of staving 7 and mutually open，Two involutory surfaces are made to be separated from each other，So that material falls 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 stretch out simultaneously, first point of staving 6 can be driven to reversely rotate rotating around installation axle 9 with second point of staving 7 and mutually close up, make the sealing strip on two involutory surfaces mutually draw close until mutual involutory compression seals.In the present embodiment, on first point of staving 6 and second point of staving 7 inwall by outer and in be disposed with glass cotton layer 13 and web plate layer 14, first, second evacuation hole 15,16 is offered respectively on first point of staving 6 and second point of staving 7, the present embodiment connects for convenience, first, second evacuation hole 15,16 is screwed hole, each evacuation hole is all connected with a vacuum pump, and two vacuum pumps can carry out evacuation to the gap between gap and the inwall of second point of staving 7 and the web plate layer between inwall and the web plate layer 14 of first point of staving 6 respectively respectively.
nullOperation principle is as follows: the piston rod of two the first folding cylinders 10 of original state and the piston rod of two the second folding cylinders 11 are in inside retracted mode，6 second points of stavings 7 of i.e. first point staving 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 it are respectively started，The piston rod of two the first folding cylinders 10 and two the second folding cylinders 11 stretches out the most simultaneously，So that first point of staving 6 and second point of staving 7 are mutually drawn close，Until the sealing strip 8 on first point of staving 6 and second point of staving 7 involutory surface mutually compresses sealing，It is respectively started the vacuum pump of both sides the most again，The vacuum pump making both sides carries out evacuation to the gap between gap and the inwall of second point of staving 7 and the web plate layer between inwall and the web plate layer 14 of first point of staving 6 respectively，Plastic sheeting is smooth under the effect of negative-pressure sucking、Entirely it is laid on the inwall of the web plate layer in two stavings，So greatly reduce the fold of plastic sheeting，Thus really improve the utilization rate of urethane raw.nullThen urethane raw is added to 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 stirring，Thus by continuous for the urethane raw in mixing tank 2 mix homogeneously，After stirring terminates，Foam box is placed on the underface of mixing tank 2，Drive two the first folding cylinders 10 and two the second folding cylinders 11，Its piston rod is made the most inwardly to retract，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 outwardly open respectively，The polyurethane materials that in mixing tank 2, batch mixing completes foams in falling to rapidly foam box，Drive two the first folding cylinders 10 and two the second folding cylinders 11 the most again，Make its piston rod stretch out the most simultaneously thus order about first point of staving 6 and the quick-make of second point of staving 7，The situation on the polyurethane materials that the residual material in mixing tank 2 carries out in falling to foam box foaming the most effectively is prevented to occur，Ensure that the quality of foamed products.
It is an advantage of the current invention that: mixing tank 2 is combined to form by the first of half slide structure point of staving 6 and second point of staving 7, the involutory surface of first point of staving 6 and second point of staving 7 can mutually be opened or mutually compress sealing, after 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 rapidly closedown, it is thus possible to effectively prevent from the salvage stores on mixing tank 2 inwall from dropping in foam box carrying out the phenomenon on the polyurethane materials foamed to occur, further ensure that the quality of foamed products；Additionally, the mixing tank of half slide structure also facilitates the cleaning within mixing tank 2.
Claims (5)
- null1. the mixing device of urethane raw，Including: frame，The mixing tank of top tape charging aperture it is provided with in frame，The shaft of lower end band agitator arm it 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 agitator arm thereon to rotate，It is characterized in that: mixing tank is provided with drum head、And mixing tank is combined to form by the first of half slide structure point of staving and second point of staving，The bucket wall of first point of staving and second point of staving apposition position is involutory surface，The sealing strip of the mutual involutory sealing of energy it is respectively arranged with on the involutory surface of first point of staving and second point of staving，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，The the first connection journal stirrup and second being positioned at the same side connects on the installation axle that journal stirrup is hinged and connected on this side frame respectively，The installation axle concentric of both sides，First point of staving and second point of staving are connected with the folding driving mechanism being arranged in frame respectively，Under the driving of folding driving mechanism，First point of staving and second point of staving inwardly or outwardly can rotate rotating around installing axle，Thus order about first point of staving and second point of staving is mutually opened or mutually close up，When first point of staving and second point of staving are mutually opened, the material in mixing tank can fall down.
- nullThe mixing device of urethane raw the most according to claim 1，It is characterized in that: the structure of described folding driving mechanism includes: the both sides, lower end of first point of staving are respectively arranged with connection journal stirrup bottom first，The both sides, lower end of second point of staving are respectively arranged with connection journal stirrup bottom second，The head of the piston rod of two the first folding cylinders respectively with connect bottom two first that journal stirrup is corresponding is 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 the most inwardly retracted，The involutory surface that can drive first point of staving and second point of staving is separated from each other，So that material falls down in mixing tank；The piston rod of two the first folding cylinders and the piston rod of two the second folding cylinders stretch out 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 compression seals.
- The mixing device of urethane raw the most 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 glass cotton layer and web plate layer, first, second evacuation hole is offered respectively on first point of staving and second point of staving, each evacuation hole is all connected with a vacuum pump, and two vacuum pumps can carry out evacuation to the gap between gap and the inwall of second point of staving and the web plate layer between inwall and the web plate layer of first point of staving respectively respectively.
- The mixing device of urethane raw the most according to claim 3, it is characterised in that: first, second described evacuation hole is screwed hole.
- The mixing device of urethane raw the most according to claim 1 and 2, it is characterised in that: described mixer drive is the stirring motor being 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 |
|---|---|
| CN104493996A CN104493996A (en) | 2015-04-08 |
| CN104493996B true 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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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0084426A3 (en) * | 1982-01-16 | 1983-08-03 | Francis Shaw Plc | Mixing machines |
| CH689667A5 (en) * | 1994-04-29 | 1999-08-13 | Buehler Ag | Batch mixer. |
| DE202006003390U1 (en) * | 2006-03-03 | 2006-07-13 | Mavag Ag | mixing dryers |
| 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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- 2015-01-12 CN CN201510013122.9A patent/CN104493996B/en active Active
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