CN113908772A

CN113908772A - Synthetic reation kettle of waterborne polyurethane dispersion

Info

Publication number: CN113908772A
Application number: CN202111206468.2A
Authority: CN
Inventors: 胡俊杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-16
Filing date: 2021-10-16
Publication date: 2022-01-11

Abstract

The invention discloses a water-based polyurethane dispersion synthesis reaction kettle, which relates to the technical field of reaction kettles and comprises a reaction kettle box body, a stirring rod and a cover plate, wherein a spring groove is formed in the reaction kettle box body close to the lower position, a first expansion spring is fixedly installed on the inner side of the spring groove, a first sliding groove is formed in the reaction kettle box body close to the upper position of the spring groove, a plurality of stirring blades are fixedly installed on the outer side surface of the stirring rod, a first gear is fixedly installed at the upper end of the stirring rod, and a first rotating seat is rotatably connected on the outer side surface of the stirring rod close to the lower position, greatly improves the stirring and mixing efficiency and accelerates the synthesis time of the aqueous polyurethane dispersion.

Description

Synthetic reation kettle of waterborne polyurethane dispersion

Technical Field

The invention relates to the technical field of reaction kettles, in particular to a reaction kettle for synthesizing an aqueous polyurethane dispersion.

Background

The reaction kettle is widely applied to the fields of petroleum, chemical industry, rubber, pesticides, dyes, medicines, foods and the like, and is a pressure container for completing technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like, such as a reactor, a reaction kettle, a decomposition kettle, a polymerization kettle and the like; the material generally comprises carbon manganese steel, stainless steel, zirconium, nickel-based (Hastelloy, Monel and Inconel) alloy and other composite materials, the aqueous polyurethane dispersoid refers to a polyurethane dispersoid which does not contain an emulsifier, the synthesis process of a polyurethane monomer is usually carried out in a reaction kettle, the aqueous polyurethane dispersoid is synthesized by a heating mode, but the prior reaction kettle has poor practicability and low mixing efficiency, the time of the synthesis reaction of the aqueous polyurethane dispersoid is greatly increased, the sealing property is poor, gas generated in the reaction process easily flows into the air, so that the environmental pollution is caused, in the experimental process, the interior of a box body of the reaction kettle is difficult to ensure to be in a vacuum state, the gas in the air is easily reacted with the aqueous polyurethane dispersoid, and the reaction result is greatly influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a water-based polyurethane dispersion synthesis reaction kettle, which solves the problems of low synthesis efficiency, poor sealing performance and difficulty in ensuring the interior of a reaction kettle box body to be in a vacuum state in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: a water-based polyurethane dispersion synthesis reaction kettle comprises a reaction kettle box body, a stirring rod and a cover plate, wherein a spring groove is formed in the reaction kettle box body close to the lower position, a first expansion spring is fixedly installed on the inner side of the spring groove, a first sliding groove is formed in the reaction kettle box body close to the upper position of the spring groove, a plurality of stirring blades are fixedly installed on the outer side surface of the stirring rod, a first gear is fixedly installed at the upper end of the stirring rod, a first rotating seat is rotatably connected on the outer side surface of the stirring rod close to the lower position, a first sliding block is fixedly installed on the outer side of the first rotating seat, the first sliding block is slidably connected with the first sliding groove, a connecting block is rotatably connected to the lower end of the stirring rod, the connecting block is fixedly connected with the first expansion spring, and a motor is fixedly installed on the outer side of the reaction kettle box body close to the upper position, the utility model discloses a reaction kettle box, including reation kettle box, output fixed mounting of motor has a pivot, the outside fixed mounting of pivot has third bevel gear, the inside fixed mounting of reation kettle box has No. two rotations seats, the internal rotation of No. two rotations seats is connected with the pivot No. two, the upper end fixed mounting of No. two pivots has fourth bevel gear, fourth bevel gear is connected with the meshing of third bevel gear, No. two lower extreme fixedly connected with third gears of pivot, No. three gears are connected with a gear engagement, the outside fixed mounting of pivot has a belt pulley No. one, the outside of a belt pulley is provided with the connecting belt, the outside fixed surface of pivot has the cam.

Optionally, the upper surface of reation kettle box is provided with the feed inlet, the upper surface of reation kettle box is close to the equal fixed mounting in four corners position and has the bracing piece, the lower fixed surface of reation kettle box installs the supporting legs, the lower surface of reation kettle box is close to both sides position and all is provided with row material pipe, the outside of arranging the material pipe is provided with the solenoid valve No. one, the outside fixed surface of reation kettle box installs heating device, the inboard fixed mounting of reation kettle box has the heating plate.

Optionally, a support plate is fixedly connected to the upper end of the support rod, a second sliding groove is formed in the lower surface of the support plate, a second sliding block is slidably connected to the inner side of the second sliding groove, a bidirectional screw rod is rotatably connected to the inner side of the second sliding groove, the bidirectional screw rod is in threaded connection with the second sliding block, a groove is formed in the support plate, a transmission shaft is rotatably mounted on the side wall of the groove far away from the bidirectional screw rod, a second belt pulley is fixedly mounted at a position close to one end of the outer side of the transmission shaft, the second belt pulley is in transmission connection with the first belt pulley through a connecting belt, a connecting sleeve is fixedly mounted at one end of the transmission shaft and inside the groove, a mounting groove is formed in the connecting sleeve, a clutch assembly is arranged inside the mounting groove, the clutch assembly comprises a third expansion spring and a ball, and the third expansion spring is fixedly connected with the inner wall of the mounting groove, one end of the third telescopic spring is fixedly connected with the ball, a limiting groove is formed in the outer side of the bidirectional screw rod and located in the connecting sleeve, and a first bevel gear is fixedly mounted on the outer side of the connecting sleeve.

Optionally, a third sliding groove is formed in the upper surface of the cover plate, a third sliding block is connected to the inner side of the third sliding groove in a sliding mode, a lifting assembly is connected to the upper end of the third sliding block in a rotating mode and is connected with a second sliding block in a rotating mode, a plurality of second expansion springs are fixedly connected to the lower surface of the cover plate, a connecting plate is fixedly connected to one ends of the second expansion springs, and a sealing gasket is fixedly mounted on the lower surface of the connecting plate.

Optionally, the upper surface of backup pad is close to one side position fixed mounting and has the exhaust chamber, the last fixed surface of exhaust chamber installs the blast pipe, the inboard of blast pipe is provided with the check valve No. one, the outside fixedly connected with connecting pipe of exhaust chamber, the one end and the reation kettle box body fixed connection of connecting pipe, the inboard of connecting pipe is provided with the check valve No. two.

Optionally, the outside of No. two check valves is provided with No. two solenoid valves, the outside sliding connection of exhaust chamber has the movable rod, the inside fixedly connected with sealing piston that one end of movable rod is located the exhaust chamber, the other end fixed mounting of movable rod has square frame.

Optionally, a linkage box is fixedly mounted on one side, located on the air exhaust box, of the upper surface of the reaction kettle box body, a third rotating shaft is rotatably connected to the bottom of the inner side of the linkage box, a second gear is fixedly connected to one end of the third rotating shaft, an eccentric pin shaft is fixedly mounted on the upper surface of the second gear, and the eccentric pin shaft is movably connected with the square frame.

Optionally, the inside of the linkage box is rotatably connected with a fourth rotating shaft, one end of the fourth rotating shaft is fixedly connected with a fourth gear, the fourth gear is in meshed connection with a second gear, the other end of the fourth rotating shaft is fixedly connected with a second bevel gear, and the second bevel gear is in meshed connection with a first bevel gear.

The invention provides a synthetic reaction kettle of an aqueous polyurethane dispersion, which has the following beneficial effects:

1. this synthetic reation kettle of waterborne polyurethane dispersion, motor through the setting, can control a pivot and rotate, thereby drive third bevel gear and cam and rotate, under the meshing connection effect through third bevel gear and fourth bevel gear, drive No. three gears and rotate, thereby control the puddler and drive a plurality of stirring leaves and rotate, the puddler is patted to the cam discontinuity that sets up simultaneously, control the puddler and remove downwards under the meshing connection condition that does not influence a gear and No. three gears, thereby a slider in the rolling seat outside slides in a spout inboard, and the connecting block of puddler lower extreme receives an expanding spring's elasticity, thereby realized that the puddler reciprocates from top to bottom when pivoted, stirring mixing efficiency has been improved greatly, the synthesis time of waterborne polyurethane dispersion has been accelerated.

2. This synthetic reation kettle of waterborne polyurethane dispersion, when pivot pivoted through setting up, can drive a belt pulley and rotate, under the transmission effect of connecting the belt, can drive the transmission shaft and rotate, carry out rotatory in-process at the transmission shaft, clutch assembly is in connected state earlier, clutch assembly drives two-way lead screw and rotates this moment, thereby drive two No. two sliders and do the motion of being close to each other in No. two spout inboards, lift assembly stretches this moment, and lift assembly drives No. three sliders and slides in No. three spout inboards, the downstream of apron has been realized, the connecting plate receives No. two expanding spring's of a plurality of elasticity this moment, make the seal gasket and the feed inlet sealing connection of connecting plate bottom, thereby effectual sealed effect has been reached, avoid the gas to discharge among the reaction process, the problem of air pollution.

3. The reaction kettle for synthesizing the aqueous polyurethane dispersoid comprises a bidirectional screw rod, a transmission shaft, a first bevel gear, a second bevel gear, a square frame, a sealing piston, a sealing gasket, a second bevel gear, a connecting pipe, a connecting rod, a transmission shaft and a connecting rod, wherein the transmission shaft is connected with the transmission shaft through the connecting pipe, the transmission shaft is connected with the first bevel gear and the second bevel gear through the connecting pipe, the transmission shaft is connected with the transmission shaft through the transmission shaft, the transmission shaft is connected with the transmission shaft through the connecting pipe, and finally, the polyurethane dispersion is discharged through an exhaust pipe, so that the experimental process can be ensured to be in a vacuum state, and the accuracy of the synthetic reaction result of the polyurethane dispersion is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 5 is an enlarged view taken at B of FIG. 1 in accordance with the present invention;

fig. 6 is an enlarged view at C of fig. 1 according to the present invention.

In the figure: 1. a reaction kettle box body; 101. a spring slot; 102. a first expansion spring; 103. a first chute; 104. a feed inlet; 105. a support bar; 106. supporting legs; 107. a discharge pipe; 108. a first electromagnetic valve; 109. a heating device; 110. a heating plate; 2. a stirring rod; 201. stirring blades; 202. a first gear; 203. a first rotating seat; 204. a first sliding block; 205. connecting blocks; 3. a motor; 301. a first rotating shaft; 302. a first belt pulley; 303. a cam; 304. a third bevel gear; 305. a second rotating seat; 306. a second rotating shaft; 307. a fourth bevel gear; 308. a third gear; 309. connecting a belt; 4. a support plate; 401. a second chute; 402. a bidirectional screw rod; 403. a second sliding block; 404. a drive shaft; 405. a groove; 406. a second belt pulley; 407. connecting sleeves; 408. mounting grooves; 409. a third expansion spring; 410. a ball bearing; 411. a limiting groove; 412. a first bevel gear; 5. a cover plate; 501. a third sliding chute; 502. a third sliding block; 503. a lifting assembly; 504. a second expansion spring; 505. a connecting plate; 506. sealing gaskets; 6. an air extraction box; 601. an exhaust pipe; 602. a first check valve; 603. a connecting pipe; 604. a second one-way valve; 605. a second electromagnetic valve; 606. a movable rod; 607. a sealing piston; 608. a square frame; 7. a linkage box; 701. a third rotating shaft; 702. a second gear; 703. an eccentric pin shaft; 704. a fourth rotating shaft; 705. a fourth gear; 706. a second bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: a synthetic reation kettle of aqueous polyurethane dispersion, including reation kettle box 1, puddler 2 and apron 5, the inside of reation kettle box 1 is close to the below position and has seted up spring groove 101, the inboard fixed mounting of spring groove 101 has a expanding spring 102, the inside of reation kettle box 1 is located the top of spring groove 101 and has seted up a spout 103, the outside surface fixed mounting of puddler 2 has a plurality of stirring leaves 201, the upper end fixed mounting of puddler 2 has a gear 202, the outside surface of puddler 2 is close to the below position and rotates and is connected with a rotating seat 203, the outside fixed mounting of a rotating seat 203 has a slider 204, a slider 204 and a spout 103 sliding connection, the lower extreme of puddler 2 rotates and is connected with connecting block 205, connecting block 205 and a expanding spring 102 fixed connection, the outside of reation kettle box 1 is close to the top position fixed mounting has motor 3, the output end of the motor 3 is fixedly provided with a first rotating shaft 301, the outer side of the first rotating shaft 301 is fixedly provided with a third bevel gear 304, the inner part of the reaction kettle box body 1 is fixedly provided with a second rotating seat 305, the inner part of the second rotating seat 305 is rotatably connected with a second rotating shaft 306, the upper end of the second rotating shaft 306 is fixedly provided with a fourth bevel gear 307, the fourth bevel gear 307 is meshed with the third bevel gear 304, the lower end of the second rotating shaft 306 is fixedly connected with a third gear 308, the third gear 308 is meshed with the first gear 202, the outer side of the first rotating shaft 301 is fixedly provided with a first belt pulley 302, the outer side of the first belt pulley 302 is provided with a connecting belt 309, the outer side surface of the first rotating shaft 301 is fixedly provided with a cam 303, the first rotating shaft 301 can be controlled to rotate by the arranged motor 3, so as to drive the third bevel gear 304 and the cam 303 to rotate, under the meshing connection action of the third bevel gear 304 and the fourth bevel gear 307, drive No. three gear 308 and rotate, thereby control puddler 2 and drive a plurality of stirring leaf 201 and rotate, the puddler 2 is patted to the cam 303 that sets up simultaneously discontinuity, control puddler 2 and remove down under the meshing connection circumstances that does not influence a gear 202 and No. three gear 308, thereby slider 204 that rotates the seat 203 outside slides in spout 103 inboard No. one, and connecting block 205 of puddler 2 lower extreme receives an expanding spring 102's elasticity, thereby realized puddler 2 pivoted while reciprocating motion from top to bottom, stirring mixing efficiency has been improved greatly, the synthesis time of waterborne polyurethane dispersion has been accelerated.

Wherein, the upper surface of reation kettle box 1 is provided with feed inlet 104, the upper surface of reation kettle box 1 is close to the equal fixed mounting in four corners position and has bracing piece 105, the lower fixed mounting of reation kettle box 1 has supporting legs 106, the lower surface of reation kettle box 1 is close to both sides position and all is provided with row material pipe 107, the outside of arranging material pipe 107 is provided with solenoid valve 108 No. one, the outside fixed surface of reation kettle box 1 installs heating device 109, the inboard fixed mounting of reation kettle box 1 has heating plate 110, through the heating device 109 who sets up, control heating plate 110 heats the inside of reation kettle box 1, thereby synthesize the waterborne polyurethane dispersion.

Wherein, the upper end of the supporting rod 105 is fixedly connected with a supporting plate 4, the lower surface of the supporting plate 4 is provided with a second sliding groove 401, the inner side of the second sliding groove 401 is slidably connected with a second sliding block 403, the inner side of the second sliding groove 401 is rotatably connected with a bidirectional screw 402, the bidirectional screw 402 is in threaded connection with the second sliding block 403, the inner part of the supporting plate 4 is provided with a groove 405, the side wall of the groove 405 far away from the bidirectional screw 402 is rotatably provided with a transmission shaft 404, the outer side of the transmission shaft 404 near one end is fixedly provided with a second belt pulley 406, the second belt pulley 406 is in transmission connection with the first belt pulley 302 through a connecting belt 309, one end of the transmission shaft 404 and the inner part of the groove 405 are fixedly provided with a connecting sleeve 407, the number of the mounting grooves 408 is equal to that of the limiting grooves 411, the specific number can be set according to actual needs, the ball 410 is suitable for being in extrusion fit with the limiting grooves 411 under the elastic force of a third expansion spring 409, so that in the process of rotating the transmission shaft 404, the bidirectional screw rod 402 is driven to rotate through the limit matching of the clutch assembly and the bidirectional screw rod 402, thereby realizing the sealing of the feed inlet 104, and after the sealing, the sealing resistance of the sealing mechanism can drive the clutch component to be in a separation state, that is, the ball 410 is pressed into the mounting groove 408, the transmission shaft 404 continues to rotate at this time, the bidirectional screw 402 is in a load static state, the mounting groove 408 is formed in the connecting sleeve 407, the inside of the mounting groove 408 is provided with a clutch assembly, the clutch assembly comprises a third expansion spring 409 and the ball 410, the third expansion spring 409 is fixedly connected with the inner wall of the mounting groove 408, one end of the third expansion spring 409 is fixedly connected with the ball 410, the outer side of the bidirectional screw 402 is provided with a limit groove 411 inside the connecting sleeve 407, and the outer side of the connecting sleeve 407 is fixedly provided with a first bevel gear 412.

Wherein, the upper surface of the cover plate 5 is provided with a third sliding groove 501, the inner side of the third sliding groove 501 is connected with a third sliding block 502 in a sliding manner, the upper end of the third sliding block 502 is connected with a lifting component 503 in a rotating manner, the lifting component 503 is connected with a second sliding block 403 in a rotating manner, the lower surface of the cover plate 5 is fixedly connected with a plurality of second expansion springs 504, one end of each of the plurality of second expansion springs 504 is fixedly connected with a connecting plate 505, the lower surface of the connecting plate 505 is fixedly provided with a sealing gasket 506, the first belt pulley 302 can be driven to rotate while the first rotating shaft 301 is arranged, the transmission shaft 404 can be driven to rotate under the transmission action of the connecting belt 309, in the rotating process of the transmission shaft 404, the clutch component is firstly in a connecting state, at the moment, the clutch component drives the bidirectional screw rod 402 to rotate, thereby driving the two second sliding blocks 403 to move close to each other inside the second sliding groove 401, lifting unit 503 stretches this moment to lifting unit 503 drives No. three sliders 502 and slides in No. three spout 501 inboardly, has realized the downstream of apron 5, and connecting plate 505 receives the elasticity of a plurality of expanding spring 504 this moment for seal gasket 506 and the feed inlet 104 sealing connection of connecting plate 505 bottom, thereby has reached effectual sealed effect, avoids gas outgoing among the reaction process, the problem of contaminated air.

Wherein, the upper surface of backup pad 4 is close to one side position fixed mounting has exhaust box 6, the upper surface fixed mounting of exhaust box 6 has blast pipe 601, the inboard of blast pipe 601 is provided with check valve 602 No. one, can prevent that outside air from getting into the inside of exhaust box 6, the outside fixedly connected with connecting pipe 603 of exhaust box 6, the one end and the reation kettle box 1 fixed connection of connecting pipe 603, the inboard of connecting pipe 603 is provided with check valve 604 No. two, can prevent that the inside air reflux of exhaust box 6 from to the inside of reation kettle box 1, after aqueous polyurethane dispersion synthesis, can discharge the gas that the inside of reation kettle box 1 produced into the air purification device of peripheral hardware through blast pipe 601, prevent air pollution.

The second electromagnetic valve 605 is arranged on the outer side of the second one-way valve 604, the movable rod 606 is connected to the outer side of the air extraction box 6 in a sliding manner, the sealing piston 607 is fixedly connected to one end of the movable rod 606 in the air extraction box 6, and the square frame 608 is fixedly mounted at the other end of the movable rod 606.

Wherein, a linkage box 7 is fixedly installed on one side of the upper surface of the reaction kettle box body 1, which is positioned on the extraction box 6, the bottom of the inner side of the linkage box 7 is rotatably connected with a third rotating shaft 701, one end of the third rotating shaft 701 is fixedly connected with a second gear 702, an eccentric pin shaft 703 is fixedly installed on the upper surface of the second gear 702, and the eccentric pin shaft 703 is movably connected with the square frame 608.

Wherein, the inside of the linkage box 7 is rotatably connected with a fourth rotating shaft 704, one end of the fourth rotating shaft 704 is fixedly connected with a fourth gear 705, the fourth gear 705 is engaged with the second gear 702, the other end of the fourth rotating shaft 704 is fixedly connected with a second bevel gear 706, the second bevel gear 706 is engaged with the first bevel gear 412, after the sealing is completed, the clutch component is in a separated state through the resistance of the feed port 104 to the sealing gasket 506, so that the bidirectional screw rod 402 is in a static state, but the bidirectional screw rod 402 is still in a continuous high-load state, namely, the sealing gasket 506 and the feed port 104 are in a maximum sealing pressure state, so that the transmission shaft 404 can continuously rotate, under the engaging and connecting action of the first bevel gear 412 and the second bevel gear 706, the fourth rotating shaft 704 is driven to rotate, so that under the engaging and connecting action of the fourth gear 705 and the second gear 702, the eccentric pin shaft 703 on the surface of the reaction kettle is driven to rotate, the movable rod 606 is controlled to slide under the action of the movable connection of the eccentric pin shaft 703 and the square frame 608, the left-right reciprocating movement of the sealing piston 607 inside the extraction box 6 is further realized, the continuous pressurization can be carried out on the inside of the reaction kettle box 1, the air inside the reaction kettle box 1 is continuously discharged into the extraction box 6 through the connecting pipe 603, and finally the air is discharged through the exhaust pipe 601, so that the experimental process can be ensured to be in a vacuum state, and the accuracy of the polyurethane dispersion synthesis reaction result is ensured.

In summary, when the reaction kettle for synthesizing the aqueous polyurethane dispersion is used, firstly, the aqueous polyurethane dispersion is put into the reaction kettle box 1 through the feed inlet 104, then the motor 3 is started to control the first rotating shaft 301 to rotate, so as to drive the third bevel gear 304 and the cam 303 to rotate, the third gear 308 is driven to rotate under the meshing connection action of the third bevel gear 304 and the fourth bevel gear 307, so as to control the stirring rod 2 to drive the plurality of stirring blades 201 to rotate, meanwhile, the arranged cam 303 intermittently beats the stirring rod 2, the stirring rod 2 is controlled to move downwards under the condition that the meshing connection of the first gear 202 and the third gear 308 is not affected, so that the first sliding block 204 on the outer side of the first rotating seat 203 slides on the inner side of the first sliding groove 103, and the connecting block 205 on the lower end of the stirring rod 2 is subjected to the elastic force of the first expansion spring 102, so as to realize the vertical reciprocating movement of the stirring rod 2 while rotating, and the first rotating shaft 301 rotates and simultaneously drives the first belt pulley 302 to rotate, the transmission shaft 404 can be driven to rotate under the transmission action of the connecting belt 309, in the process of rotating the transmission shaft 404, the clutch assembly is firstly in a connection state, at the moment, the clutch assembly drives the two-way screw rod 402 to rotate, so that the two second sliders 403 are driven to move close to each other on the inner sides of the second chutes 401, at the moment, the lifting assembly 503 is stretched, and the lifting assembly 503 drives the third slider 502 to slide on the inner sides of the third chutes 501, so that the cover plate 5 moves downwards, at the moment, the connecting plate 505 is subjected to the elastic force of a plurality of second expansion springs 504, so that the sealing gasket 506 at the bottom of the connecting plate 505 is in sealing connection with the feed inlet 104, and therefore, the effective sealing effect is achieved, after sealing is completed, the clutch assembly is in a separation state through the resistance of the feed inlet 104 to the sealing gasket 506, therefore, the bidirectional screw rod 402 is in a static state, but the bidirectional screw rod 402 is still in a continuous high-load state, that is, the sealing gasket 506 and the feed inlet 104 are in a maximum sealing pressure state, so that the transmission shaft 404 can continuously rotate, the fourth rotating shaft 704 is driven to rotate under the meshing connection action of the first bevel gear 412 and the second bevel gear 706, the eccentric pin shaft 703 on the surface of the fourth rotating shaft is driven to rotate under the meshing connection action of the fourth gear 705 and the second gear 702, the movable rod 606 is controlled to slide under the movable connection action of the eccentric pin shaft 703 and the square frame 608, so that the left and right reciprocating movement of the sealing piston 607 inside the extraction box 6 is realized, the inside of the reaction kettle box 1 can be continuously pressurized, the air inside the reaction kettle box 1 is discharged into the extraction box 6 through the connecting pipe 603, and finally discharged through the exhaust pipe 601, after the reaction is completed, the motor 3 is rotated reversely, and the sealing gasket 506 is driven to move reversely, so that the connecting plate 505 moves upwards to open the feeding hole 104, and then the motor 3 is closed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a synthetic reation kettle of waterborne polyurethane dispersion, includes reation kettle box (1), puddler (2) and apron (5), its characterized in that: the inner side of the reaction kettle box body (1) is close to the lower position and is provided with a spring groove (101), the inner side of the spring groove (101) is fixedly provided with a first expansion spring (102), the inner side of the reaction kettle box body (1) is positioned above the spring groove (101) and is provided with a first sliding groove (103), the outer side surface of the stirring rod (2) is fixedly provided with a plurality of stirring blades (201), the upper end of the stirring rod (2) is fixedly provided with a first gear (202), the outer side surface of the stirring rod (2) is close to the lower position and is rotatably connected with a first rotating seat (203), the outer side of the first rotating seat (203) is fixedly provided with a first sliding block (204), the first sliding block (204) is slidably connected with the first sliding groove (103), the lower end of the stirring rod (2) is rotatably connected with a connecting block (205), and the connecting block (205) is fixedly connected with the first expansion spring (102), a motor (3) is fixedly arranged at a position, close to the upper part, on the outer side of the reaction kettle box body (1), an output end of the motor (3) is fixedly provided with a first rotating shaft (301), a third bevel gear (304) is fixedly arranged on the outer side of the first rotating shaft (301), a second rotating seat (305) is fixedly arranged inside the reaction kettle box body (1), a second rotating shaft (306) is rotatably connected inside the second rotating seat (305), a fourth bevel gear (307) is fixedly arranged at the upper end of the second rotating shaft (306), the fourth bevel gear (307) is meshed with the third bevel gear (304), a third gear (308) is fixedly connected at the lower end of the second rotating shaft (306), the third gear (308) is meshed with the first gear (202), a first belt pulley (302) is fixedly arranged on the outer side of the first rotating shaft (301), and a connecting belt (309) is arranged on the outer side of the first belt pulley (302), and a cam (303) is fixedly arranged on the outer side surface of the first rotating shaft (301).

2. The aqueous polyurethane dispersion synthesis reaction kettle according to claim 1, characterized in that: the upper surface of reation kettle box (1) is provided with feed inlet (104), the upper surface of reation kettle box (1) is close to the equal fixed mounting in four corners position and has bracing piece (105), the lower fixed surface of reation kettle box (1) installs supporting legs (106), the lower surface of reation kettle box (1) is close to both sides position and all is provided with row material pipe (107), the outside of arranging material pipe (107) is provided with solenoid valve (108), the outside fixed surface of reation kettle box (1) installs heating device (109), the inboard fixed mounting of reation kettle box (1) has heating plate (110).

3. The aqueous polyurethane dispersion synthesis reaction kettle according to claim 2, characterized in that: the upper end of the supporting rod (105) is fixedly connected with a supporting plate (4), a second sliding groove (401) is formed in the lower surface of the supporting plate (4), a second sliding block (403) is connected to the inner side of the second sliding groove (401) in a sliding mode, a bidirectional screw rod (402) is connected to the inner side of the second sliding groove (401) in a rotating mode, the bidirectional screw rod (402) is in threaded connection with the second sliding block (403), a groove (405) is formed in the supporting plate (4), a transmission shaft (404) is installed on the side wall, far away from the bidirectional screw rod (402), of the groove (405) in a rotating mode, a second belt pulley (406) is fixedly installed on the outer side of the transmission shaft (404) close to one end of the transmission shaft, the second belt pulley (406) is in transmission connection with the first belt pulley (302) through a connection belt (309), and a connecting sleeve (407) is fixedly installed on the inner portion, located in the groove (405), of one end of the transmission shaft (404), mounting groove (408) have been seted up to the inside of adapter sleeve (407), the inside of mounting groove (408) is provided with clutch assembly, clutch assembly includes No. three expanding spring (409) and ball (410), No. three expanding spring (409) and mounting groove (408) inner wall fixed connection, the one end and ball (410) fixed connection of No. three expanding spring (409), spacing groove (411) have been seted up in the outside of two-way lead screw (402) and the inside that is located adapter sleeve (407), the outside fixed mounting of adapter sleeve (407) has first bevel gear (412).

4. The aqueous polyurethane dispersion synthesis reaction kettle according to claim 1, characterized in that: no. three spout (501) have been seted up to the upper surface of apron (5), No. three inboard sliding connection of spout (501) has No. three slider (502), the upper end of No. three slider (502) is rotated and is connected with lifting unit (503), lifting unit (503) rotate with No. two sliders (403) and be connected, the lower fixed surface of apron (5) is connected with a plurality of expanding spring (504) No. two, and is a plurality of the one end fixedly connected with connecting plate (505) of expanding spring (504) No. two, the lower fixed surface of connecting plate (505) installs seal gasket (506).

5. The reaction kettle for synthesizing the aqueous polyurethane dispersion as claimed in claim 3, wherein: the upper surface of backup pad (4) is close to one side position fixed mounting and has exhaust chamber (6), the last fixed surface of exhaust chamber (6) installs blast pipe (601), the inboard of blast pipe (601) is provided with check valve (602) No. one, the outside fixedly connected with connecting pipe (603) of exhaust chamber (6), the one end and reation kettle box (1) fixed connection of connecting pipe (603), the inboard of connecting pipe (603) is provided with check valve (604) No. two.

6. The reaction kettle for synthesizing the aqueous polyurethane dispersion as claimed in claim 5, wherein: the outside of No. two check valves (604) is provided with No. two solenoid valves (605), the outside sliding connection of exhaust chamber (6) has movable rod (606), the inside fixedly connected with sealing piston (607) that one end of movable rod (606) is located exhaust chamber (6), the other end fixed mounting of movable rod (606) has square frame (608).

7. The aqueous polyurethane dispersion synthesis reaction kettle according to claim 1, characterized in that: the reaction kettle is characterized in that a linkage box (7) is fixedly mounted on one side, located on the extraction box (6), of the upper surface of the reaction kettle box body (1), the bottom of the inner side of the linkage box (7) is rotatably connected with a third rotating shaft (701), one end of the third rotating shaft (701) is fixedly connected with a second gear (702), an eccentric pin shaft (703) is fixedly mounted on the upper surface of the second gear (702), and the eccentric pin shaft (703) is movably connected with a square frame (608).

8. The reaction kettle for synthesizing the aqueous polyurethane dispersion as claimed in claim 7, wherein: the linkage box (7) is internally and rotatably connected with a fourth rotating shaft (704), one end of the fourth rotating shaft (704) is fixedly connected with a fourth gear (705), the fourth gear (705) is meshed with a second gear (702) and connected with the other end of the fourth rotating shaft (704) in a meshed mode, and the second gear (706) is meshed with the first bevel gear (412).