CN104312523A - A kind of room-temperature fast-curing single-component polyurethane sealant and preparation method thereof - Google Patents

Abstract

The invention discloses a room temperature fast solidification single component polyurethane sealant composed of toluene diisocyanate, diisobutyl phthalate, 4,4'-dicyclohexylmethane diisocyanate, polyether polyol, organic silane, catalyst, filler, plasticizer, adhesion promoter, coupling agent, and stabilizer. Preparation method: add polyether polyol to a reaction device, stir in a closed manner, heat, evacuate and reduce pressure, add toluene diisocyanate, diisobutyl phthalate, 4,4'-dicyclohexylmethane diisocyanate and organic silane, stir and control temperature, add catalyst, stabilizer, coupling agent, adhesion promoter, cool to 30-50°C with a cooling device, add filler and stir evenly, add plasticizer, disperse evenly, filter through a filtering device, and then use an automatic filling device to fill and store. The purpose of the invention is to provide a room temperature fast solidification single component polyurethane sealant with reasonable components and proportions and good bonding performance and a preparation method.

Description

A kind of room-temperature fast-curing single-component polyurethane sealant and preparation method thereof

technical field

The invention relates to a room-temperature fast-curing one-component polyurethane sealant; the invention also relates to a method for preparing the room-temperature fast-curing one-component polyurethane sealant.

Background technique

Adhesive refers to a kind of natural or synthetic, organic or inorganic substances that can connect two or more parts or materials together through the adhesion and cohesion of the interface, collectively referred to as glue. Adhesives, also known as adhesives, are customarily referred to as glue. In short, an adhesive is a substance that can bind adherends together through bonding; traditional adhesives have poor adhesion due to unreasonable formula ratios and cannot meet the needs of use.

Contents of the invention

The object of the present invention is to overcome the deficiencies in the prior art, and provide a one-component polyurethane sealant with reasonable components and ratio and good bonding performance at room temperature and fast curing.

Another object of the present invention is to provide a method for preparing the polyurethane acrylate sealant.

In order to achieve the above object, the present invention adopts the following scheme:

A room-temperature fast-curing single-component polyurethane sealant is characterized in that it consists of the following components in parts by weight:

A room-temperature quick-curing single-component polyurethane sealant as described above is characterized in that the catalyst is one of tetramethylbutanediamine, triethylenediamine, dibutyltin dilaurate, and stannous octoate or a mixture of two or more.

A room-temperature fast-curing single-component polyurethane sealant as described above is characterized in that the filler is asbestos wool, glass fiber, aluminum oxide, titanium dioxide, carbon black, calcium carbonate, quartz powder, silicon micropowder, carbon dioxide Silicon or a mixture of two or more.

A kind of room temperature quick curing one-component polyurethane sealant as above is characterized in that described plasticizer is DEDB plasticizer and aromatic hydrocarbon plasticizer by the mixture of 7:3; Described adhesion promoter Aminopropyltrimethoxysilane; the coupling agent is one or more mixtures of silane coupling agent KH550, silane coupling agent KH560, silane coupling agent KH570 and silane coupling agent KH792; The stabilizer is one of 2,6-di-tert-butyl-p-cresol antioxidant, antioxidant 1010, and ultraviolet absorber.

A kind of preparation method of one-component polyurethane sealant of fast curing at room temperature of the present invention is characterized in that comprising the following steps:

Add polyether polyol to the reaction device, seal the reaction device, stir it electrically, heat to 40-60°C, vacuumize and depressurize, and add toluene diisocyanate, diisobutyl phthalate, 4,4'-Dicyclohexylmethane diisocyanate and organosilane, keep stirring and control the temperature of the reactor at 50-80°C, add catalyst, stabilizer, coupling agent, adhesion promoter, and use a cooling device to cool down to 30- 50°C, add filler and stir evenly, add plasticizer, disperse evenly, filter through filter device, and then use automatic filling device to fill and store.

A method for preparing a room-temperature fast-curing one-component polyurethane sealant as described above is characterized in that the reaction device 1 includes a support 11, and a reaction kettle 12 is fixedly connected to the support 11. The reactor 12 is provided with a stirring shaft 13, one end of the stirring shaft 13 is connected to the bottom of the reactor 12 through a bearing 14, and the other end of the stirring shaft 13 stretches out of the reactor 12 and is connected with the stirring motor 15, and the The lower part of the shaft 13 is fixedly connected with a lower casing 16, on which a horizontal stirring blade 17 capable of horizontal rotation is provided, and on the lower casing 16, a vertical stirring blade capable of longitudinal rotation when the stirring shaft 13 rotates is provided. The stirring device 112 is movably connected to the upper casing 19 on the lower casing 16, and the upper casing 19 is sleeved on the stirring shaft 13, and is provided between the upper casing 19 and the lower casing 16. Positioning connection mechanism 110, on said reaction kettle 12, be provided with can make upper casing 19 and lower casing 16 separate or combine the separation mechanism 111, on said upper casing 19, be provided with as upper casing 19 and After the lower casing 16 is combined with the vertical stirring device 112 that can rotate vertically when the stirring shaft 13 rotates, the lower end of the stirring shaft 13 is provided with an injection mechanism 113 that can spray the bottom material of the reaction kettle 12 to the top of the reaction kettle 12. The injection mechanism 113 includes a shroud 1131 sleeved on the lower end of the lower sleeve 16, the lower end of the shroud 1131 is attached to the bottom of the reaction kettle 12, and several feeders are arranged on the upper surface of the shroud 1131. Holes 1132 are respectively provided with guide ports 1133 on both sides of the guide cover 1131, and spray pipes 1134 are respectively provided on the guide ports 1133, and the upper ends of the spray pipes 1134 are arranged on the top of the reactor 12. The lower casing 16 in the said shroud 1131 is provided with a material injection stirring blade 1135 which can drive the material in the shroud 1131 to enter the injection pipe 1134 when the stirring shaft rotates. The driving helical gear 1121 on the shaft 13 is provided with a longitudinal stirring seat 1122 on the upper casing 19 or the lower casing 16, and at least one vertical stirring shaft perpendicular to the stirring shaft 13 is arranged in the vertical stirring seat 1122 1123, one end of the vertical stirring shaft 1123 is provided with a transmission helical gear 1124 capable of meshing with the driving helical gear 1121, and the other end of the vertical stirring shaft 1123 is connected with a stirring blade 1125, and the positioning connection mechanism 110 includes There is a positioning groove 1101 arranged on the upper end of the lower casing 16, and a positioning projection 1102 matched with the positioning groove 1101 is provided on the lower end of the upper casing 19. The movable seat 1111 on the opening of the upper end, the upper casing 19 is connected in the movable seat 1111 through a bearing, and the telescopic cylinder 1112 that can make the movable seat 1111 rise or fall is provided on the reaction kettle 12, The bottom of the reaction kettle 12 is provided with a discharge port, and a connecting frame 114 is arranged in the discharge port, and the bearing 14 is arranged on the On the connecting frame 114, a discharge pipe 115 is provided on the discharge port, and the feed pump 116 on the discharge pipe 115 is connected, and the discharge pipe between the feed pump 116 and the discharge port 115 is provided with control valve 18.

A method for preparing a room-temperature fast-curing one-component polyurethane sealant as described above is characterized in that the quantitative feeding device 3 includes a bracket 31, and the bracket 31 is sleeved with a valve that can go up and down relative to the bracket 31. The mobile frame 32 that moves, on the support 31 below described movable frame 32, is provided with push-down spring 33, and described top-pressure spring 33 top presses on the movable frame 31 lower end, is fixedly installed on described movable frame 32 There is a feed kettle 34, a feed pipe 35 is provided above the feed kettle 34, and one end of the feed pipe 35 is inserted into the feed kettle 34, and a feed magnet is provided on the feed pipe 35. Valve 36, a discharge pipe 37 is provided at the lower end of the feed kettle 34, a discharge solenoid valve 38 is provided on the discharge pipe 37, and a hose is connected to the discharge end of the discharge solenoid valve 38 39. The other end of the hose 39 is connected to the feeding pump 310, and the lower part of the movable frame 32 and the lower part of the bracket 31 is provided with a solenoid valve 36 that can be triggered when the feeding kettle 34 moves down to a predetermined position to control the feeding. Close and control the discharge electromagnetic valve 38, the lower touch switch 311 that the feeding pump 310 opens, and the upper part of the movable frame 32 and the upper part of the support 31 are provided with a trigger that can be triggered when the feed kettle 34 is reset and rises to a predetermined position to control the discharge. Solenoid valve 38, feeding pump 310 close and control the upper touch switch 312 that feeding solenoid valve 36 opens.

A method for preparing a room-temperature quick-curing one-component polyurethane sealant as described above is characterized in that the cooling device 5 includes a cooling tank 51 with an open end, and a water outlet is provided on the upper part of one side of the cooling tank 51 52, a water inlet 53 is provided at the lower part of the other side of the cooling tank 51, bearing housings 54 are provided on both sides of the cooling tank 51, and bearing housings 54 are provided between the bearing housings 54 to increase the flow of materials in the cooling tank 51. The heat exchange multiple bend pipe 55 of the internal heat exchange time is provided with a rotating mechanism 56 that can drive the heat exchange multiple bend pipe 55 to rotate on the side of the cooling tank 51, and the heat exchange multiple bend pipe 55 is connected with the feed material The pipes 57 are connected, and the discharge end of the heat exchange multiple elbow pipe 55 is connected with the discharge pipe 58. An aeration pipe 59 is arranged at the bottom of the cooling tank 51. The heat exchange multiple elbow pipe 55 includes multiple A straight pipe 551 connected end to end and arranged perpendicular to the central axis of the bearing seat 54, the two ends of the heat exchange multiple bend pipe 55 are respectively connected in the bearing seat 54 through bearings, and the aeration pipe 59 includes a pipe body 591 A number of aeration holes are densely distributed on the pipe body 591 , and a feed pump 510 is provided on the feed pipe 57 .

A method for preparing a room-temperature quick-curing one-component polyurethane sealant as described above is characterized in that the filter device 6 includes a filter cylinder 61 with one end closed, and a feed pipe is provided on the top of the filter cylinder 61 62, in the middle part of the filter cylinder 61, there is a connecting hole 63 communicating with the inner cavity of the filter cylinder 61, and a filter assembly 64 is arranged in the connection hole 63, and the periphery of the filter assembly 64 is connected with The inner wall of the filter cylinder 61 is in close contact, and one end of the filter screen assembly 64 is provided with a drive rod 65, and one end of the drive rod 65 is connected with a drive device 66 capable of driving the filter screen assembly 64 into or out of the filter cylinder 61, the The drive device 66 includes a support frame 661 arranged on one side of the filter cylinder 61, the drive rod 65 is connected to the support frame 661 through a bearing 662, and a drive motor 663 is provided on the support frame 661. The motor shaft of the drive motor 663 is provided with a drive gear 664, and one end of the drive rod 65 is provided with a drive rack 665, and the drive rack 665 and the drive gear 664 are meshed with each other. There is a helical tooth 666 that can turn the filter screen assembly 64 under the drive of the drive gear 664, and an air jet device 67 that can blow off impurities on the filter screen assembly 64 is provided between the filter cylinder 61 and the support frame 661. Below the air injection device 67, a collection device 68 that can collect the blown-off impurities is provided, and an installation groove is arranged in the end of the filter screen assembly 64 near the connection hole groove 63, and the upper and lower sides of the filter screen assembly 64 Two through holes 69 communicating with the installation grooves are respectively provided on the two ends, and sealant blocks 610 capable of closing the connecting hole grooves 63 are movable respectively in the through holes 69, and sealant blocks 610 capable of driving the sealing are provided in the installation grooves. The driving head 611 of the rubber block 610 stretches out or retracts the through hole. The driving head 611 is connected with the driving rod 65; One end of the sealant block 610 is provided with a tapered driving head 6112 that can drive the sealant block 610 out of the through hole, and the lower end of the sealant block 610 is provided with an extending inclined surface 6113 that matches the tapered drive head 6112. One side of one end of the sealing rubber block 610 is provided with a transverse protrusion 6114, a reset slope 6115 is provided on the transverse protrusion 6114, and a cylindrical drive head 6116 is provided on the other end of the drive head body 6111. An annular groove 6117 capable of accommodating the transverse protrusion 6114 is provided between the cylindrical driving head 6116 and the driving head body 6111, and an annular groove 6117 is provided at the opening end of the annular groove 6117 to cooperate with a reset slope 6115 so that the sealant block 610 retracts the retracting tapered surface 6118 in the through hole, and the filter screen assembly 64 outside the connecting hole groove 63 is provided with a sealing protrusion 612 that can form a seal with the outer wall of the filter cylinder 61. The 61 outer walls are provided with a guide slope that can feed the dripped material into the collection device 68 when the filter screen assembly 64 is extracted. Block 613, the air injection device 67 includes an air injection head 671, the air injection head 671 is connected with a high-pressure gas source, and several air injection nozzles 672 are densely distributed on the air injection head 671, and the collection device 68 includes There is a collection funnel 681, a collection bucket 682 is provided below the collection funnel 681, the filter screen assembly 64 includes a support plate 641, a groove is provided on the support plate 641, and a The filter screen 642 , the through hole is arranged on one end of the support plate 641 .

A method for preparing a room-temperature fast-curing one-component polyurethane sealant as described above is characterized in that the automatic filling device 7 includes a support base 71, and below the support base 71 there is a set for fixing an iron bucket 72 and enabling the iron The rotating base 73 for the rotation of the barrel 72 is provided with a connection seat 74 on the support seat 71, and a material delivery pipe 75 is movable on the connection seat 74, and is provided on the connection seat 74 to drive the The driving mechanism 76 for the feeding pipe 75 to move up and down is provided with a downward connecting column 77 on the connecting seat 74, a functional block 78 is provided at the lower end of the connecting column 77, and a functional block 78 is provided at one end of the functional block 78. There is a cover opening mechanism 79 that can remove the lid on the opening of the iron drum when the iron drum is turning to a predetermined position, and the other end of the functional block 78 is provided to enable the iron drum to open when the iron drum 72 reverses to a predetermined position. The opening is positioned at the positioning mechanism 710 directly below the feeding pipe 75. The cover opening mechanism 79 includes an inclined surface 791 arranged on the functional block 78, and the inclined surface 791 connects the upper and lower two ends of the functional block 78 respectively. The included angle between the slope 791 and the lower end surface of the functional block 78 is less than 90°, and the slope 791 is provided with a slot 792 whose width is greater than the diameter of the barrel opening and less than the diameter of the lid, and the opening of the slot 792 is set on the slope 791 The bottom end; the positioning mechanism 710 includes an introduction port 7101 located on the other end of the function block 78, and a positioning groove 7102 is provided at the end of the introduction port 7101; an oil drum is provided on the rotating base 73 The fixing device 711, the oil drum fixing device 711 includes an arc-shaped stopper 7111 arranged on the periphery of the rotating base 73, and an installation groove is provided on the inner wall of the arc-shaped stopper 7111, and the installation A movable extruding part 7112 is arranged in the groove, and a driving cylinder 7113 is arranged on the rotating base 73 outside the arc-shaped limiting protrusion 7111, and the cylinder shaft of the driving cylinder 7113 is connected with the movable extruding part 7112; The driving mechanism 76 includes a movable block 761 , the movable block is connected to a telescopic cylinder 762 , and the telescopic cylinder 762 is fixedly connected to the connecting seat 74 .

The room temperature quick-curing single-component polyurethane sealant of the present invention has good adhesion, fast surface drying, fast curing speed, is not affected by ambient temperature and humidity, has a high extension rate, and has a simple preparation process, and is suitable for use in buildings, squares, and roads. Caulking and sealing materials, and sealing in automotive manufacturing, glass installation, electronic filling, etc.

Description of drawings

Fig. 1 is the schematic diagram of reaction device among the present invention;

Fig. 2 is the schematic diagram of longitudinal stirring device among Fig. 1;

Fig. 3 is the enlarged schematic diagram of A place of Fig. 1;

Fig. 4 is the schematic diagram of quantitative feeding device;

Fig. 5 is the schematic diagram of cooling device;

Fig. 6 is the schematic diagram of filtering device;

Fig. 7 is the schematic diagram of filter screen assembly;

The enlarged view at B in Fig. 8 and Fig. 6;

Fig. 9 is a schematic diagram when the sealant block is retracted into the through hole;

Figure 10 is an enlarged view at C in Figure 6;

Fig. 11 is the schematic diagram of automatic filling device;

Figure 12 is a schematic diagram of functional parts;

Figure 13 is a schematic diagram of the oil barrel fixing device.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing description and specific embodiment:

Example 1

The room-temperature quick-curing single-component polyurethane sealant of the present invention consists of the following components in parts by weight:

The preparation method comprises the following steps:

Add sulfonate grafted polyester polyol and polyether polyol into the reaction device, seal the reaction device, stir electrically, heat to 40°C, vacuumize and depressurize, add toluene diisocyanate, ortho Diisobutyl phthalate, 4,4'-dicyclohexylmethane diisocyanate and organosilane, keep stirring and control the temperature of the reactor at 50°C, add catalyst, stabilizer, coupling agent, adhesion promoter, use The cooling device cools down to 30°C, add the filler and stir evenly, add the plasticizer, disperse evenly, filter through the filter device, and then use the automatic filling device to fill and store.

The reaction device 1 described in the present invention includes a support 11, a reaction kettle 12 is fixedly connected to the support 11, a stirring shaft 13 is arranged in the reaction kettle 12, and one end of the stirring shaft 13 passes through a bearing 14 Connected to the bottom of the reactor 12, the other end of the stirring shaft 13 extends out of the reactor 12 and is connected to the stirring motor 15, and the lower part of the stirring shaft 13 is fixedly connected with a lower sleeve 16, and on the lower sleeve 16 A horizontal stirring blade 17 capable of horizontal rotation is provided, and a longitudinal stirring device 112 capable of longitudinal rotation when the stirring shaft 13 rotates is provided on the lower casing 16, and an upper casing 19 is flexibly connected to the lower casing 16, The upper casing 19 is sleeved on the stirring shaft 13, a positioning connection mechanism 110 is provided between the upper casing 19 and the lower casing 16, and the upper casing 12 is provided on the reaction kettle 12 to enable 19 and the separation mechanism 111 that is separated or combined with the lower casing 16, and the upper casing 19 is provided with a vertical stirring device 112 that can rotate longitudinally when the stirring shaft 13 rotates after the upper casing 19 is combined with the lower casing 16 , the lower end of the stirring shaft 13 is provided with an injection mechanism 113 capable of spraying the bottom material of the reaction kettle 12 to the upper part of the reaction kettle 12 .

In the present invention, the injection mechanism 113 includes a shroud 1131 sleeved on the lower end of the lower casing 16. There are several feeding holes 1132, diversion ports 1133 are respectively arranged on both sides of the diversion cover 1131, jet tubes 1134 are respectively arranged on the diversion ports 1133, and the upper ends of the jet tubes 1134 are arranged on the reaction On the upper part of the kettle 12, the lower casing 16 in the said shroud 1131 is provided with a material injection stirring blade 1135 capable of driving the material in the shroud 1131 to enter the injection pipe 1134 when the stirring shaft rotates. The vertical stirring device 112 It includes a driving helical gear 1121 arranged on the stirring shaft 13, a longitudinal stirring seat 1122 is provided on the upper casing 19 or the lower casing 16, and at least one vertical stirring shaft is arranged in the longitudinal stirring seat 1122. 13, a vertical stirring shaft 1123, one end of the vertical stirring shaft 1123 is provided with a transmission helical gear 1124 that can mesh with the driving helical gear 1121, and a stirring blade 1125 is connected to the other end of the vertical stirring shaft 1123. The positioning connection mechanism 110 includes a positioning groove 1101 arranged on the upper end of the lower sleeve 16, and a positioning protrusion 1102 matched with the positioning groove 1101 is provided on the lower end of the upper sleeve 19, and the opening and closing mechanism 111 includes The movable seat 1111 is arranged on the opening of the upper end of the reactor 12, the upper casing 19 is connected in the movable seat 1111 through a bearing, and the movable seat 1111 is provided on the reactor 12 to make the movable seat 1111 rise or fall. The telescopic cylinder 1112 is provided with a discharge port at the bottom of the reaction kettle 12, and a connecting frame 114 is provided in the discharge port. The bearing 14 is arranged on the connecting frame 114, and a The discharge pipe 115 is connected to the feed pump 116 on the discharge pipe 115, and a control valve 18 is arranged on the discharge pipe 115 between the feed pump 116 and the discharge port.

The injection mechanism in the invention can spray the material at the bottom of the reaction kettle to the upper part of the reaction kettle, thereby increasing the contact area with the air, and effectively performing up-and-down circulation stirring.

In the present invention, through the mutual cooperation of the separating and closing mechanism 111 and the positioning and connecting mechanism 110, the upper stirring mechanism can be separated from the lower stirring mechanism, and local stirring or full stirring can be selected according to the amount of materials in the reactor, which is convenient to use.

Quantitative feeding device 3 described in the present invention comprises support 31, is provided with movable frame 32 that can move up and down relative to support 31 on described support 31, is sleeved on support 31 below described movable frame 32 There is a top pressure spring 33, the upper end of the top pressure spring 33 is pressed against the lower end of the movable frame 31, a feed kettle 34 is fixedly installed on the movable frame 32, and a feed pipe is arranged above the feed kettle 34 35, one end of the feed pipe 35 is inserted into the feed kettle 34, a feed electromagnetic valve 36 is provided on the feed pipe 35, and a discharge pipe 37 is provided at the lower end of the feed kettle 34. The discharge pipe 37 is provided with a discharge solenoid valve 38, a flexible pipe 39 is connected to the discharge end of the discharge solenoid valve 38, and the other end of the flexible pipe 39 is connected with the feeding pump 310, The lower part of the movable frame 32 and the lower part of the bracket 31 are provided with a lower touch switch that can be triggered when the feed kettle 34 moves down to a predetermined position to control the closing of the feeding solenoid valve 36 and the opening of the discharging solenoid valve 38 and the feeding pump 310 311, on the upper part of the movable frame 32 and the upper part of the bracket 31, there is an upper part that can be triggered when the feed kettle 34 resets and rises to a predetermined position, thereby controlling the discharge solenoid valve 38, the feed pump 310 to close and the feed solenoid valve 36 to open. Touch switch 312 .

During the use of the quantitative feeding device 3 in the present invention, the material enters the feed kettle 34 through the feed pipe 35. When the material reaches a predetermined quality, the feed kettle 34 compresses the top pressure spring 33 under the action of weight, thereby triggering The lower touch switch 311 works to control the feeding solenoid valve 36 to close and control the discharging solenoid valve 38 and the feeding pump 310 to open. The accurately metered material is sent into the reactor by the feeding pump 310. When the material is evacuated, the feeding The weight of the kettle 34 is reduced. Under the action of the top pressure spring 33, the feeding kettle 34 rises, and when it rises to a predetermined position, the upper touch switch 312 is triggered, and the upper touch switch 312 controls the discharge solenoid valve 38 and the feeding pump 310 to close. And control feeding electromagnetic valve 36 is opened, thereby realizes next metering. The invention has a simple structure, can avoid the influence of the flow characteristics of the fluid itself, the ambient temperature, and the shape of the reactor on the accuracy of quantitative feeding, makes the quantitative feeding of the reactor more convenient and quick, ensures the stability of product quality, and realizes automatic control of feeding .

The cooling device 5 described in the present invention includes a cooling tank 51 with an open end, a water outlet 52 is provided on the upper part of one side of the cooling tank 51, and a water inlet 53 is provided on the lower part of the other side of the cooling tank 51. Both sides of the cooling tank 51 are provided with bearing housings 54, and between the bearing housings 54, there are multiple heat exchange elbows 55 that can increase the heat exchange time of the material in the cooling tank 51. The side is provided with a rotating mechanism 56 capable of driving the rotation of the heat exchange multiple bend pipe 55, the heat exchange multiple bend pipe 55 is connected with the feed pipe 57, and the discharge end of the heat exchange multiple bend pipe 55 is connected to the outlet The material pipes 58 are connected, and an aeration pipe 59 is arranged at the bottom of the cooling tank 51 .

The heat exchange multiple elbow 55 in the present invention includes a plurality of straight conduits 551 connected end to end and arranged perpendicular to the direction of the central axis of the bearing seat 54. Both ends of the heat exchange multiple elbow 55 are movably connected to the bearing seat through bearings. 54 , the aeration pipe 59 includes a pipe body 591 on which several aeration holes are densely distributed, and a feed pump 510 is provided on the feed pipe 57 .

In the present invention, the material is cooled outside the reaction kettle, which effectively solves the problem that the material adheres to the surface of the coil and greatly reduces its cooling effect. The contact of the cooling water accelerates the heat conduction, and the aeration tube is installed at the bottom of the cooling tank, and the gas effectively carries part of the heat in the cooling water to increase the cooling effect.

In the present invention, the filter device 6 includes a filter cylinder 61 with one end closed, a feed pipe 62 is arranged on the upper part of the filter cylinder 61, and a filter cylinder 61 inner chamber is provided in the middle of the filter cylinder 61. Connecting hole groove 63 that communicates with each other, filter screen assembly 64 is arranged in described connection hole groove 63, and the periphery of described filter screen assembly 64 is in close contact with the inner wall of filter cylinder body 61, and one end of described filter screen assembly 64 is provided with drive Rod 65, one end of the drive rod 65 is connected with a drive device 66 capable of driving the filter assembly 64 into or out of the filter cylinder 61, and the drive device 66 includes a support frame 661 arranged on one side of the filter cylinder 61 , the drive rod 65 is connected to the support frame 661 through the bearing 662, the drive motor 663 is provided on the support frame 661, and the drive gear 664 is provided on the motor shaft of the drive motor 663. One end of the rod 65 is provided with a transmission rack 665, and the transmission rack 665 and the drive gear 664 are mutually meshed, and the drive rod 65 is provided with a helical tooth 666 that can make the filter assembly 64 turn over under the drive of the drive gear 664. , between the filter cylinder 61 and the support frame 661, an air injection device 67 capable of blowing off the impurities on the filter screen assembly 64 is provided, and below the air injection device 67, an air injection device 67 capable of collecting the blown-off impurities is provided. The collecting device 68 is provided with an installation groove in the end of the filter screen assembly 64 close to the connecting hole groove 63, and a through hole 69 communicating with the installation groove is respectively provided on the upper and lower ends of the filter screen assembly 64. Sealant blocks 610 that can close the connecting hole groove 63 are movable respectively in the through holes 69, and a drive head 611 that can drive the sealant block 610 to extend or retract the through hole is provided in the installation groove. The drive head 611 Connected to the drive rod 65.

The drive head 611 in the present invention includes a drive head body 6111, and one end of the drive head body 6111 connected to the drive rod 65 is provided with a tapered drive head 6112 capable of driving the sealant block 610 out of the through hole. , the lower end of the sealant block 610 is provided with a protruding inclined surface 6113 matched with the tapered drive head 6112, and a transverse projection 6114 is provided on one end side of the sealant block 610, and on the transverse projection 6114 A reset slope 6115 is provided on the top, a cylindrical driving head 6116 is provided on the other end of the driving head body 6111, and an annular ring capable of accommodating the transverse protrusion 6114 is provided between the cylindrical driving head 6116 and the driving head body 6111. Groove 6117, the opening end of the annular groove 6117 is provided with a retracting tapered surface 6118 that cooperates with the reset slope 6115 so that the sealant block 610 can be retracted into the through hole, and the filter on the outside of the connecting hole groove 63 The screen assembly 64 is provided with a sealing projection 612 that can form a seal with the outer wall of the filter cylinder 61, and the outer wall of the filter cylinder 61 is provided with a catch that can feed the material that drops when the filter screen assembly 64 is pulled out into the collection device 68. Guide to the inclined block 613, the air injection device 67 includes an air injection head 671, the air injection head 671 is connected with a high-pressure gas source, and several air injection nozzles 672 are densely distributed on the air injection head 671, and the collection device 68 includes a collection funnel 681, a collection bucket 682 is provided below the collection funnel 681, and the filter assembly 64 includes a support plate 641, on which a groove is provided, and in the groove A filter screen 642 is provided, and the through hole is provided on one end of the support plate 641 .

In the present invention, the material enters the filter cylinder 61 from the feed pipe 62. Under the action of the conveying pressure, the material passes through the filter screen assembly 64, and the impurities whose volume is larger than the filter screen 642 are prohibited from passing through. When the impurities on the filter screen reach a certain level, they can Stop feeding in the feeding pipe 62 and then clean the filter screen 62, open the drive motor 663 in the drive device 66, drive the drive rod 65 to move outwards, the drive rack 665 has finished walking, and the filter screen assembly 64 is removed from the connecting hole groove 63. Completely extract, when the driving gear 664 is meshed with the helical teeth 666, the filter screen assembly 64 is overturned, and then the air jet device 67 is opened to blow off the impurities on the filter screen assembly 64, and they are processed centrally by the collection device 68.

The automatic filling device 7 in the present invention includes a support base 71, and a rotating base 73 for fixing the iron bucket 72 and rotating the iron bucket 72 is provided under the support base 71. There is a connection seat 74, on which a feed pipe 75 is movably arranged, on which a drive mechanism 76 capable of driving the feed pipe 75 to move up and down is provided on the connection seat 74, on the connection seat 74 A downward connecting column 77 is provided on the top, a functional block 78 is provided at the lower end of the connecting column 77, and a function block 78 is provided at one end of the functional block 78, which can turn the iron drum on the opening when the iron drum is turning to a predetermined position. The opening mechanism 79 for removing the lid is provided with a positioning mechanism 710 on the other end of the functional block 78 that can position the opening of the iron drum directly below the delivery pipe 75 when the iron drum 72 is reversed to a predetermined position.

In the present invention, the cover opening mechanism 79 includes an inclined surface 791 arranged on the functional block 78. The inclined surface 791 connects the upper and lower end surfaces of the functional block 78 respectively, and the included angle between the inclined surface 791 and the lower end surface of the functional block 78 is Less than 90°, a slot 792 with a width greater than the opening diameter of the iron barrel and less than the diameter of the lid is provided on the slope 791, and the opening of the slot 792 is arranged at the bottom of the slope 791; the positioning mechanism 710 includes There is an inlet 7101 located on the other end of the function block 78, and a positioning groove 7102 is provided at the end of the inlet 7101; an oil drum fixing device 711 is arranged on the rotating base 73, and the oil drum fixing device 711 includes an arc-shaped limiting protrusion 7111 arranged on the periphery of the rotating base 73, an installation groove is provided on the inner wall of the arc-shaped limiting protrusion 7111, and a movable extrusion part 7112 is arranged in the installation groove. A driving cylinder 7113 is provided on the rotating base 73 outside the arc-shaped limiting protrusion 7111, and the cylinder shaft of the driving cylinder 7113 is connected with the movable extrusion part 7112; the driving mechanism 76 includes a movable block 761, The movable block is connected to a telescopic cylinder 762 , and the telescopic cylinder 762 is fixedly connected to the connecting seat 74 .

The automatic filling device of the present invention can automatically remove the lid on the iron drum, can automatically position and fill, has high degree of automation and high production efficiency.

Example 2

Room temperature quick-curing single-component polyurethane sealant of the present invention consists of the following components in parts by weight

become:

The preparation method comprises the following steps:

Add sulfonate grafted polyester polyol and polyether polyol to the reaction device respectively, seal the reaction device, stir electrically, heat to 40°C, vacuumize and reduce pressure, and add toluene diisocyanate, Diisobutyl phthalate, 4,4'-dicyclohexylmethane diisocyanate and organosilane, keep stirring and control the temperature of the reactor at 50°C, add catalyst, stabilizer, coupling agent, adhesion promoter, Use a cooling device to cool down to 30°C, add filler and stir evenly, add plasticizer, disperse evenly, filter through a filter device, and then use an automatic filling device to fill and store.

The quantitative feeding device reaction device, cooling device, filtering device and automatic filling device described in this example are as described in Example 1.

Example 3

Room temperature quick-curing single-component polyurethane sealant of the present invention consists of the following components in parts by weight

become:

The preparation method comprises the following steps:

Add sulfonate-grafted polyester polyol and polyether polyol to the reaction device respectively, seal the reaction device, stir electrically, heat to 60°C, vacuumize and reduce pressure, and add toluene diisocyanate, Diisobutyl phthalate, 4,4'-dicyclohexylmethane diisocyanate and organosilane, keep stirring and control the temperature of the reactor at 80°C, add catalyst, stabilizer, coupling agent, adhesion promoter, Use a cooling device to cool down to 50°C, add filler and stir evenly, add plasticizer, disperse evenly, filter through a filter device, and then use an automatic filling device to fill and store.

The quantitative feeding device reaction device, cooling device, filtering device and automatic filling device described in this example are as described in Example 1.

Example 4

Room temperature quick-curing single-component polyurethane sealant of the present invention consists of the following components in parts by weight

become:

The preparation method comprises the following steps:

Add sulfonate grafted polyester polyol and polyether polyol to the reaction device respectively, seal the reaction device, stir electrically, heat to 40°C, vacuumize and reduce pressure, and add toluene diisocyanate, Diisobutyl phthalate, 4,4'-dicyclohexylmethane diisocyanate and organosilane, keep stirring and control the temperature of the reactor at 50°C, add catalyst, stabilizer, coupling agent, adhesion promoter, Use a cooling device to cool down to 30°C, add filler and stir evenly, add plasticizer, disperse evenly, filter through a filter device, and then use an automatic filling device to fill and store.

The quantitative feeding device reaction device, cooling device, filtering device and automatic filling device described in this example are as described in Example 1.

Example 5

Room temperature quick-curing single-component polyurethane sealant of the present invention consists of the following components in parts by weight

become:

The catalyst described therein is a mixture of tetramethylbutanediamine, triethylenediamine, dibutyltin dilaurate and stannous octoate. The filler is a mixture of asbestos wool, glass fiber, aluminum oxide, titanium dioxide, carbon black, calcium carbonate, quartz powder, silicon micropowder and silicon dioxide. Described plasticizer is the mixture of DEDB plasticizer and aromatic hydrocarbon plasticizer by 7:3; Described adhesion promoter is aminopropyltrimethoxysilane; Described coupling agent is silane coupling Agent KH550, silane coupling agent KH560, silane coupling agent KH570, silane coupling agent KH792 mixture; the stabilizer is 2,6-di-tert-butyl p-cresol antioxidant.

The preparation method comprises the following steps:

Add sulfonate grafted polyester polyol and polyether polyol to the reaction device respectively, seal the reaction device, stir it electrically, heat to 50°C, vacuumize and reduce pressure, and add toluene diisocyanate, Diisobutyl phthalate, 4,4'-dicyclohexylmethane diisocyanate and organosilane, keep stirring and control the temperature of the reactor at 70°C, add catalyst, stabilizer, coupling agent, adhesion promoter, Use a cooling device to cool down to 40°C, add filler and stir evenly, add plasticizer, disperse evenly, filter through a filter device, and then use an automatic filling device to fill and store.

The quantitative feeding device reaction device, cooling device, filtering device and automatic filling device described in this example are as described in Example 1.

Example 6

Room temperature quick-curing single-component polyurethane sealant of the present invention consists of the following components in parts by weight

become:

The preparation method comprises the following steps:

Add sulfonate grafted polyester polyol and polyether polyol to the reaction device respectively, seal the reaction device, stir it electrically, heat to 50°C, vacuumize and reduce pressure, and add toluene diisocyanate, Diisobutyl phthalate, 4,4'-dicyclohexylmethane diisocyanate and organosilane, keep stirring and control the temperature of the reactor at 60°C, add catalyst, stabilizer, coupling agent, adhesion promoter, Use a cooling device to cool down to 40°C, add filler and stir evenly, add plasticizer, disperse evenly, filter through a filter device, and then use an automatic filling device to fill and store.

The quantitative feeding device reaction device, cooling device, filtering device and automatic filling device described in this example are as described in Example 1.

Claims (10)

1. room temperature consolidates an one-component polyurethane sealant soon, it is characterized in that composed of the following components by weight:

2. a kind of room temperature according to claim 1 consolidates one-component polyurethane sealant soon, it is characterized in that described catalyzer is one or more the mixture in tetramethyl butane diamine, triethylenediamine, dibutyl tin laurate, stannous octoate.

3. a kind of room temperature according to claim 1 consolidates one-component polyurethane sealant soon, it is characterized in that described filler is one or more the mixture in asbestos wool, glass fibre, aluminum oxide, titanium dioxide, carbon black, calcium carbonate, silica powder, silicon powder, silicon-dioxide.

4. a kind of room temperature according to claim 1 admittedly one-component polyurethane sealant soon, is characterized in that described softening agent is DEDB softening agent and the aromatic hydrocarbon softening agent mixture by 7:3; Described adhesion promoter is aminopropyl trimethoxysilane; Described coupling agent is Silane coupling agent KH550, silane coupling agent KH560, silane coupling agent KH570, one or more the mixture in silane coupling agent KH792; Described stablizer is the one in 2,6 ditertiary butyl p cresol anti-aging agent, antioxidant 1010, UV light absorber.

5. room temperature consolidates a preparation method for one-component polyurethane sealant soon, it is characterized in that comprising the following steps:

Polyether glycol is joined in reaction unit respectively, confined reaction device, electric stirring, be heated to 40-60 DEG C, vacuumize decompression, quantitative feeding device is adopted to add tolylene diisocyanate respectively, diisobutyl phthalate, 4, 4'-dicyclohexyl methane diisocyanate and organosilane, Keep agitation also controls temperature of reaction kettle at 50-80 DEG C, add catalyzer, stablizer, coupling agent, adhesion promoter, refrigerating unit is adopted to cool to 30-50 DEG C, add filler to stir, add softening agent, be uniformly dispersed, through filtration devices, then adopt that automatic filling device is filling preserves.

6. a kind of room temperature according to claim 5 consolidates the preparation method of one-component polyurethane sealant soon, it is characterized in that described reaction unit (1) includes bearing (11), described bearing (11) is fixedly connected with reactor (12), shaft (13) is provided with in described reactor (12), described shaft (13) one end is connected to reactor (12) bottom by bearing (14), described shaft (13) other end stretches out reactor (12) and is connected with stirring motor (15), setting of casing (16) is fixedly connected with in described shaft (13) bottom, described setting of casing (16) is provided with the horizontal paddle (17) of energy transverse rotation, described setting of casing (16) is provided with longitudinal agitating device (112) that can longitudinally rotate when shaft (13) rotates, described setting of casing (16) is flexibly connected upper sleeve pipe (19), described upper sleeve pipe (19) is set on shaft (13), orientation connecting mechanism (110) is provided with between sleeve pipe (19) and setting of casing (16) on described, described reactor (12) is provided with the separating/closing mechanism (111) that upper sleeve pipe (19) and setting of casing (16) can be made to be separated or to combine, sleeve pipe (19) is provided with on described when upper sleeve pipe (19) and setting of casing (16) combine longitudinal agitating device (112) that can longitudinally rotate when shaft (13) rotates afterwards, described shaft (13) lower end is provided with the injection equipment (113) that reactor (12) bottoms material can be made to be ejected into reactor (12) top, described injection equipment (113) includes the kuppe (1131) being set in setting of casing (16) lower end, described kuppe (1131) lower end is fitted on reactor (12) bottom, described kuppe (1131) upper surface is provided with several charging holes (1132), described kuppe (1131) two sides are respectively equipped with flow-guiding mouth (1133), described flow-guiding mouth (1133) is respectively equipped with playpipe (1134), described playpipe (1134) upper end is arranged on reactor (12) top, setting of casing (16) in described kuppe (1131) is provided with and can orders about the material spray paddle (1135) that material in kuppe (1131) enters playpipe (1134) during shaft rotation, described longitudinal agitating device (112) includes the driving helical gear (1121) be arranged on shaft (13), sleeve pipe (19) or setting of casing (16) are provided with longitudinal stirring seat (1122) on described, at least one longitudinal shaft (1123) perpendicular to shaft (13) is provided with in described longitudinal stirring seat (1122), described longitudinal shaft (1123) one end is provided with can with driving helical gear (1121) intermeshing transmission helical gear (1124), described longitudinal shaft (1123) other end is connected with paddle (1125), described orientation connecting mechanism (110) includes the locating slot (1101) being arranged on described setting of casing (16) upper endSleeve pipe (19) lower end is provided with the locating convex block (1102) matched with locating slot (1101) on described, described separating/closing mechanism (111) comprises the sliding seat (1111) be arranged in reactor (12) upper end open, described upper sleeve pipe (19) is connected in described sliding seat (1111) by bearing, described reactor (12) is provided with the telescopic cylinder (1112) that described sliding seat (1111) can be made to rise or decline, discharging opening is provided with in described reactor (12) bottom, in described discharging opening, be provided with link (114) described bearing (14) is arranged on described link (114), described discharging opening is provided with discharge nozzle (115), the upper dehvery pump (116) of described discharge nozzle (115) is connected, discharge nozzle (115) between described dehvery pump (116) and discharging opening is provided with control valve (18).

7. a kind of room temperature according to claim 5 consolidates the preparation method of one-component polyurethane sealant soon, it is characterized in that described quantitative feeding device (3) includes support (31), described support (31) is arranged with on energy opposite brackets (31), the adjustable shelf (32) of lower movement, the support (31) of described adjustable shelf (32) below is arranged with top pressure spring (33), top, described top pressure spring (33) upper end is pressed on adjustable shelf (31) lower end, described adjustable shelf (32) is installed with feed chamber (34), feed-pipe (35) is provided with in described feed chamber (34) top, described feed-pipe (35) one end is inserted in described feed chamber (34), described feed-pipe (35) is provided with charging magnetic valve (36), discharge nozzle (37) is provided with in described feed chamber (34) lower end, described discharge nozzle (37) is provided with discharging magnetic valve (38), described discharging magnetic valve (38) discharge end is connected with flexible pipe (39), the other end of described flexible pipe (39) is connected with dehvery pump (310), being provided with in adjustable shelf (32) bottom and support (31) bottom can be triggered when feed chamber (34) moves down into predetermined position thus control charging magnetic valve (36) closes and controls discharging magnetic valve (38), the lower touching switch (311) that dehvery pump (310) is opened, be provided with on adjustable shelf (32) top and support (31) top and be triggered when feed chamber (34) resets and rises to predetermined position thus control discharging magnetic valve (38), the upper touching switch (312) that charging magnetic valve (36) is opened is closed and controlled to dehvery pump (310).

8. a kind of room temperature according to claim 5 consolidates the preparation method of one-component polyurethane sealant soon, it is characterized in that described refrigerating unit (5) includes the cooling tank (51) of one end open, water outlet (52) is provided with at described cooling tank (51) upper lateral part, water-in (53) is provided with in described cooling tank (51) opposite side bottom, described cooling tank (51) both sides are provided with bearing support (54), the multiple bend pipe of heat exchange (55) that can increase material heat-exchange time in cooling tank (51) is provided with between described bearing support (54), described cooling tank (51) side is provided with the rotating mechanism (56) that the multiple bend pipe of described heat exchange (55) can be driven to rotate, the multiple bend pipe of described heat exchange (55) is connected with feed-pipe (57), the multiple bend pipe of described heat exchange (55) discharge end is connected with discharge nozzle (58), aeration tube (59) is provided with in described cooling tank (51) bottom, the multiple bend pipe of described heat exchange (55) includes multiple joining end to end and the straight catheter (551) arranged perpendicular to bearing support (54) central axis direction, the multiple bend pipe of described heat exchange (55) two ends are movably connected in bearing support (54) respectively by bearing, described aeration tube (59) includes body (591), described body (591) is densely covered with several solarization air caps, described feed-pipe (57) is provided with dehvery pump (510).

9. a kind of room temperature according to claim 5 consolidates the preparation method of one-component polyurethane sealant soon, it is characterized in that described filtration unit (6) includes the closed filtration barrel body (61) in one end, feed-pipe (62) is provided with on described filtration barrel body (61) top, the connection hole slot (63) of one and filtration barrel body (61) intracavity inter-connection is provided with at described filtration barrel body (61) middle part, screen modules (64) is provided with in described connection hole slot (63), described screen modules (64) periphery and filtration barrel body (61) inwall close contact, described screen modules (64) one end is provided with driving stem (65), described driving stem (65) one end is connected with the drive unit (66) that screen modules (64) can be driven to enter or extract out filtration barrel body (61), described drive unit (66) includes and is arranged on filtration barrel body (61) side and is provided with bracing frame (661), described driving stem (65) is connected on bracing frame (661) by bearing (662), support frame as described above (661) is provided with drive-motor (663), the motor shaft of described drive-motor (663) is provided with driving gear (664), described driving stem (65) one end is provided with driving rack (665), described driving rack (665) and driving gear (664) engage each other, described driving stem (65) is provided with the spiral tooth (666) that can under driving gear (664) drives, screen modules (64) be overturn, the air jet system (67) that upper for screen modules (64) impurity can be blown off is provided with between described filtration barrel body (61) and bracing frame (661), the collection device (68) that can will be collected together by the impurity that blows off is provided with in described air jet system (67) below, mounting groove is provided with near connecting in hole slot (63) one end in described screen modules (64), described screen modules (64) up and down both ends of the surface are respectively equipped with the through hole (69) be connected with mounting groove, the sealed gluing block (610) can closed and connect hole slot (63) is movably set with respectively in described through hole (69), be provided with in described mounting groove and can order about sealed gluing block (610) and to stretch out or driving head (611) the described driving head (611) of retraction through hole is connected with driving stem (65), described driving head (611) includes driving head body (6111), one end that described driving head body (6111) is connected with driving stem (65) is provided with and can orders about the taper driving head (6112) that sealed gluing block (610) stretches out described through hole, be provided with in described sealed gluing block (610) lower end match with taper driving head (6112) stretch out inclined-plane (6113), described sealed gluing block (610) side, one end is provided with a lateral projections (6114), described lateral projections (6114) is provided with a reset inclined-plane (6115), described driving head body (6111) the other end is provided with a cylinder driving head (6116), the annular recesses (6117) that can hold described lateral projections (6114) is provided with between described cylinder driving head (6116) and driving head body (6111), be provided with at described annular recesses (6117) opening end and match with the inclined-plane that resets (6115) thus the retraction conical surface (6118) in sealed gluing block (610) retraction through hole can be made, the screen modules (64) in described connection hole slot (63) outside is provided with and can forms with filtration barrel body (61) outer wall the sealing projection (612) sealed, the guiding skewback (613) of collection device (68) sent into by the material that described filtration barrel body (61) outer wall is provided with drippage when screen modules (64) can be extracted out, described air jet system (67) includes jet thrust (671), described jet thrust (671) is connected with high-pressure air source, described jet thrust (671) is densely covered with several air nozzles (672), described collection device (68) includes collection funnel (681), gathering barrel (682) is provided with in described collection funnel (681) below, described screen modules (64) includes back up pad (641), described back up pad (641) is provided with groove, filtering net (642) is provided with in described groove, described through hole is arranged on one end of back up pad (641).

10. a kind of room temperature according to claim 5 consolidates the preparation method of one-component polyurethane sealant soon, it is characterized in that automatic filling device (7) comprises supporting seat (71), be provided with for fixing metal bucket (72) and the rotating base (73) that metal bucket (72) can be made to rotate in described supporting seat (71) below, described supporting seat (71) is provided with Connection Block (74), described Connection Block (74) is movably set with carrier pipe (75), described Connection Block (74) is provided with the driving mechanism (76) that can order about described carrier pipe (75) and move up and down, described Connection Block (74) is provided with downward joint pin (77), functional block (78) is provided with in described joint pin (77) lower end, described functional block (78) one end is provided with the cap-opening mechanism (79) lid on metal bucket opening can removed when metal bucket just forwards predetermined position to, described functional block (78) the other end is provided with metal bucket opening to be made when metal bucket (72) is inverted to predetermined position to be positioned at locating mechanism (710) immediately below carrier pipe (75), described cap-opening mechanism (79) includes the inclined-plane (791) be arranged in functional block (78), the upper of linkage function block (78) is distinguished on described inclined-plane (791), lower both ends of the surface, described inclined-plane (791) is less than 90 ° with the angle of functional block (78) lower surface, described inclined-plane (791) are provided with width and are greater than metal bucket opening diameter and the short slot (792) being less than lid diameter, the opening of described short slot (792) is arranged on the lowermost end of inclined-plane (791), described locating mechanism (710) includes the introducing port (7101) be located on functional block (78) the other end, is provided with locating slot (7102) at described introducing port (7101) end, described rotating base (73) is provided with oil drum stationary installation (711), described oil drum stationary installation (711) comprises the arc-shaped limit projection (7111) be arranged on rotating base (73) periphery, described arc-shaped limit projection (7111) inwall is provided with mounting groove, movable extrusion (7112) is provided with in described mounting groove, the rotating base (73) in described arc-shaped limit projection (7111) outside is provided with and drives cylinder (7113), the cylinder axis of described driving cylinder (7113) is connected with movable extrusion (7112), described driving mechanism (76) includes movable block (761), described movable block is connected on a telescopic cylinder (762), and described telescopic cylinder (762) is fixedly connected on Connection Block (74).