CN113713665A - High-efficient mixing arrangement is used in waterborne polyurethane resin processing - Google Patents

Abstract

The invention discloses a high-efficiency mixing device for processing waterborne polyurethane resin, which comprises a base, wherein a mixing box is arranged on the upper surface of the base, a top cover is fixedly arranged at the top end of the mixing box, a hollow rotating rod is rotatably arranged on the top cover, a frame plate is arranged at the top end of the top cover, a motor is arranged on the upper surface of the frame plate, a limiting plate is fixedly arranged at the top end of the frame plate, four limiting shafts are fixedly arranged between the limiting plate and the frame plate, a lifting plate is movably arranged on the four limiting shafts, a push rod is fixedly arranged on the lower surface of the lifting plate, and a piston is arranged at the bottom end of the push rod. The viscous prepolymer is prevented from blocking the rotation of the stirring pipe, and the mixing efficiency of the waterborne polyurethane is greatly improved.

Description

High-efficient mixing arrangement is used in waterborne polyurethane resin processing

The technical field is as follows:

the invention belongs to the technical field of waterborne polyurethane resin processing, and particularly relates to a high-efficiency mixing device for waterborne polyurethane resin processing.

Background art:

the waterborne polyurethane resin is a novel environment-friendly resin material, and has the advantages of small pollution and easy coating. With the enhancement of environmental awareness and national environmental regulations, the research and development of waterborne polyurethane resin are increasingly gaining attention, and the application thereof is continuously expanded from leather finishing agents to the fields of coatings, adhesives and the like, and is gradually occupying the market of solvent type polyurethane, representing the development direction of coatings and adhesives. In the production process of the aqueous polyurethane resin, the prepolymer generated by the reaction of the polyisocyanate and the macromolecular polyol needs to be stirred at a high speed, but the prepolymer has high viscosity and is difficult to stir, so that an acetone additive needs to be added into the prepolymer, the viscosity of the prepolymer can be reduced, and the stirring operation is facilitated.

Traditional mixing arrangement for waterborne polyurethane resin processing is in actual use, in order to reduce the viscosity of prepolymer, directly pours the acetone additive into the compounding case into, is difficult to let acetone additive flash mixed to the prepolymer in, has influenced the efficiency that the prepolymer viscosity reduces, can't let stirring speed obtain obviously promoting, greatly reduced waterborne polyurethane mixing efficiency.

The invention content is as follows:

the invention aims to solve the problems and provide a high-efficiency mixing device for processing waterborne polyurethane resin, which adopts a hollow rotating rod and a stirring pipe as a stirring structure, can add an acetone additive into a prepolymer in the stirring process, ensures that the acetone additive can be quickly blended into the prepolymer, can accelerate the reduction of the viscosity of the prepolymer, avoids the viscous prepolymer from blocking the rotation of the stirring structure, and effectively improves the mixing efficiency of the waterborne polyurethane.

In order to solve the problems, the invention provides a technical scheme of a high-efficiency mixing device for processing waterborne polyurethane resin, which comprises the following steps:

a high-efficiency mixing device for processing waterborne polyurethane resin comprises a base, wherein a mixing box is fixedly arranged on the upper surface of the base, a material taking pipe is fixedly arranged on the outer wall of the mixing box, a top cover is fixedly arranged at the top end of the mixing box, two acetone collecting boxes are fixedly arranged at the bottom end of the top cover and positioned in the mixing box, a hollow rotating rod is rotatably arranged on the top cover, a plurality of stirring pipes are fixedly arranged on the hollow rotating rod and positioned in the mixing box, a frame plate is fixedly arranged at the top end of the top cover, a motor is fixedly arranged on the upper surface of the frame plate, the output end of the motor penetrates through the frame plate and is meshed and connected with the top end of the hollow rotating rod, a limiting plate is fixedly arranged at the top end of the frame plate, four limiting shafts are fixedly arranged between the limiting plate and the frame plate, and a lifting plate is movably arranged on the four limiting shafts, the lower fixed surface of lifter plate installs the push rod, the bottom of push rod is inserted in the hollow bull stick and fixed mounting has the piston, rotate on the frame plate and install the threaded rod, the bottom and the hollow bull stick meshing of threaded rod are connected, fixed mounting has the electric plate in the compounding case, the electric plate sets up the below between the storage interval of digging in the compounding case.

As preferred, every in the acetone collects the box all fixed mounting have the pipe of bending, every on the outer wall of acetone collects the box all fixed mounting have drain pipe and inlet tube, every the drain pipe all communicates with the outlet end of the assorted pipe of bending, can discharge the coolant liquid in the pipe of bending through the drain pipe, every the inlet tube all communicates with the inlet end of the assorted pipe of bending, can import the coolant liquid to the pipe of bending through the inlet tube, the pipe of bending of the bending structure can increase the flow path length of the coolant liquid, when the vapor with acetone composition adheres to on the outer wall of the pipe of bending, can increase the area of contact of vapor and pipe of bending, then improve the recovery efficiency of acetone additive, every on the lateral wall of acetone collects the box all block and installs the second rubber buffer, after the vapor with acetone composition forms the comdenstion water on the pipe of bending, can concentrate and fall into in the acetone collection box, open the second rubber buffer and can retrieve the comdenstion water that contains the acetone additive, effectively improved the convenience that the acetone additive was retrieved.

As preferred, the output of motor passes frame plate and fixed mounting has the second round gear, the top fixed mounting who just is located the top cap on the outer wall of hollow bull stick has the third round gear, the third round gear is connected with the meshing of second round gear, can drive hollow bull stick through the motor and rotate, can drive the agitator pipe then and stir the processing to the material in the compounding box, the bottom fixed mounting of threaded rod has first round gear, first round gear is connected with the meshing of third round gear, rotates the in-process at hollow bull stick, can drive the threaded rod and rotate, is convenient for drive the lifter plate and carries out the lift removal.

As preferred, get the open end fixed mounting of material pipe and have the closing cap, be equipped with two fixed screws on the closing cap, the screw thread end of two fixed screws all passes the closing cap and with get material pipe threaded connection, can firmly install the closing cap on getting the material pipe through fixed screw, effectively improve the fastness that the closing cap is connected with getting the material pipe, the closing cap is close to the one end fixed mounting who gets the material pipe and has first rubber buffer, first rubber buffer imbeds to get in the material pipe and rather than the inner wall joint connection, can carry out the shutoff to getting the material pipe through first rubber buffer, avoids the material in the mixing box to reveal from getting material pipe, has effectively improved mixing box's sealed effect.

Preferably, the top end fixed mounting of top cap has four rings, cup joints the couple of installation on the lifting rope on rings, can upwards stimulate the top cap through hoisting accessory, is convenient for open the mixing box, conveniently washs the remaining material of mixing box inside, four fixing bolt are installed to the screw thread on the top cap, every fixing bolt's thread end all passes the top cap and with mixing box threaded connection, fixes the top cap through fixing bolt, effectively improves the fastness that top cap and mixing box are connected.

As preferred, the last fixed surface of top cap installs two first mouths of pipe and two second mouths of pipe, every the first mouth of pipe all communicates with the inlet tube that the phase-match set up, can be from first mouth of pipe department to the intraductal coolant that injects into of inlet tube, ensures that the coolant liquid can get into in the bending pipe, every the second mouth of pipe all communicates with the drain pipe that the phase-match set up, with the port butt joint that absorbs water of suction pump on the second mouth of pipe, can take the coolant liquid in the bending pipe out from the drain pipe then, ensures that the coolant liquid in the bending pipe can the circulation flow, and coolant liquid after the timely discharge intensifies ensures that the pipe of bending can last and effectually carry out condensation treatment to vapor.

As preferred, fixed mounting has the notes material mouth of pipe on the outer wall of hollow bull stick, can be to the inside acetone additive that injects of hollow bull stick through the notes material mouth of pipe, the notes material mouth of pipe sets up in the top of top cap, will annotate the material mouth of pipe setting in the top of top cap, and when hollow bull stick rotated, the notes material mouth of pipe and top cap contactless so can not produce the friction, avoid causing the hindrance to the hollow bull stick of pivoted, effectively improved the rotation efficiency of hollow bull stick.

As preferred, the last fixed surface of frame plate installs four bracing pieces, four the common fixed mounting in top of bracing piece has the limiting plate, carries out the outrigger to the limiting plate through the bracing piece, ensures that the limiting plate can stable erection in the top of frame plate, the lifter plate is passed and rather than threaded connection on the top of threaded rod, under the spacing of spacing axle, can drive the lifter plate and stabilize the lift removal along spacing axle when the threaded rod rotates, the top of threaded rod is passed behind the lifter plate and is connected with the lower surface rotation of limiting plate, is connected through the rotation between threaded rod top and the limiting plate, can carry on spacingly to the top of threaded rod, effectively improves the stability when the threaded rod rotates.

The invention has the beneficial effects that:

the acetone additive is injected into the hollow rotating rod in the stirring process, and when the push rod drives the piston to move downwards, the acetone additive can be pressed into the stirring pipe and then injected into the prepolymer from a small hole formed in the stirring pipe, so that the speed of the acetone additive being fused into the prepolymer can be increased, the speed of reducing the viscosity of the prepolymer can be increased, the viscous prepolymer is prevented from blocking the rotation of the stirring pipe, the hollow rotating rod and the stirring pipe can be enabled to be quickly stirred in the prepolymer, and the mixing efficiency of the waterborne polyurethane is greatly improved.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

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

FIG. 2 is a schematic view of the connection between the limiting plate and the frame plate according to the present invention;

FIG. 3 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the top cover structure of the present invention;

FIG. 5 is a schematic view of a take off tube configuration of the present invention;

FIG. 6 is a schematic top view of the acetone collecting box of the present invention.

In the figure: 1. a base; 2. taking a material pipe; 21. sealing the cover; 22. fixing screws; 23. a first rubber stopper; 3. a mixing box; 4. a top cover; 41. fixing the bolt; 42. a first nozzle; 43. a hoisting ring; 44. a second orifice; 5. a frame plate; 51. a support bar; 52. a limiting shaft; 6. a threaded rod; 61. a first circular gear; 7. a limiting plate; 8. a lifting plate; 9. a push rod; 91. a piston; 10. a motor; 101. a second circular gear; 11. an acetone collection box; 111. bending the pipe; 112. a drain pipe; 113. a water inlet pipe; 114. a second rubber plug; 12. a stirring pipe; 13. an electric hot plate; 14. a hollow rotating rod; 141. a third circular gear; 142. And (4) injecting a material pipe orifice.

The specific implementation mode is as follows:

as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment:

example 1

Referring to fig. 1-3, the embodiment provides a high-efficiency mixing device for processing waterborne polyurethane resin, which comprises a base 1, a mixing box 3 is fixedly installed on the upper surface of the base 1, a material taking pipe 2 is fixedly installed on the outer wall of the mixing box 3, a top cover 4 is fixedly installed on the top end of the mixing box 3, two acetone collecting boxes 11 are fixedly installed at the bottom end of the top cover 4 and positioned in the mixing box 3, a hollow rotating rod 14 is rotatably installed on the top cover 4, a plurality of stirring pipes 12 are fixedly installed on the hollow rotating rod 14, the plurality of stirring pipes 12 are positioned in the mixing box 3, a frame plate 5 is fixedly installed on the top end of the top cover 4, a motor 10 is fixedly installed on the upper surface of the frame plate 5, the output end of the motor 10 penetrates through the frame plate 5 and is meshed and connected with the top end of the hollow rotating rod 14, a limiting plate 7 is fixedly installed on the top end of the frame plate 5, four limiting shafts 52 are fixedly installed between the limiting plate 7 and the frame plate 5, the four spacing axles 52 are provided with the lifting plate 8, the lower fixed surface of the lifting plate 8 is provided with the push rod 9, the bottom end of the push rod 9 is inserted into the hollow rotating rod 14 and is fixedly provided with the piston 91, the frame plate 5 is rotatably provided with the threaded rod 6, the bottom end of the threaded rod 6 is meshed with the hollow rotating rod 14 and is connected with the electric heating plate 13, and the electric heating plate 13 is arranged below the material storage interval chiseled in the material mixing box 3.

The high-efficient mixing arrangement is used in current waterborne polyurethane resin processing, in order to reduce the viscosity of prepolymer, most direct pour the acetone additive into the compounding bucket of depositing the prepolymer, the acetone additive covers the upper surface at the prepolymer earlier, need stir the prepolymer and just can let the acetone additive melt into wherein gradually, this process needs to spend certain time, consequently, be difficult to reduce the viscosity of prepolymer in the short time, the prepolymer that leads to high viscosity increases the resistance that receives when stirring structure rotates, cause stirring structure to appear by slow to fast rotation rhythm, be unfavorable for mixing the stirring to the prepolymer in the device, the mixing efficiency in the waterborne polyurethane resin course of working has been influenced.

In order to improve the mixing efficiency during the processing of the aqueous polyurethane resin, a hollow rotating rod 14 and a stirring pipe 12 are used as a stirring structure, an acetone additive is injected into the hollow rotating rod 14, the hollow rotating rod 14 and a threaded rod 6 are driven to rotate by a motor 10, the stirring pipe 12 rotates along with the rotation and stirs the prepolymer during the rotation of the hollow rotating rod 14, at the moment, the threaded rod 6 rotates and drives a lifting plate 8 to move downwards along a limiting shaft 52, a push rod 9 moves downwards and pushes a piston 91 to move downwards along the inner wall of the hollow rotating rod 14, the acetone additive in the hollow rotating rod 14 is pressed into the stirring pipe 12 along with the downward movement of the piston 91, and the stirring pipe 12 is provided with a plurality of small holes, so that the acetone additive can be extruded from the small holes and can permeate into the prepolymer from a plurality of layers, and the speed of the acetone additive to be blended into the prepolymer can be accelerated, the time for fusing the prepolymer and the chain extender is shortened, the speed for reducing the viscosity of the prepolymer is effectively accelerated, the resistance of the prepolymer with high viscosity when the hollow rotating rod 14 and the stirring pipe 12 rotate is avoided, the stirring structure can rotate quickly, additives such as the prepolymer and the chain extender in the mixing box 3 are stirred and mixed, and the mixing efficiency during the processing of the waterborne polyurethane resin is greatly improved.

This embodiment is preferred, two acetone collection boxes 11 have been hung to the bottom mounting of top cap 4, fixed mounting has electric plate 13 in the mixing box 3, after the material mixture in the mixing box 3 is accomplished, heat the mixture through electric plate 13, because the boiling point of acetone additive is low, along with the rise of the inside material temperature of mixing box 3, can let acetone additive form heat vapor and rise to the interior top of mixing box 3, after hot vapor and the interior condensation structure contact of installing of acetone collection box 11, can collect the inside comdenstion water that has the acetone composition of box 11 at acetone, open top cap 4 and can retrieve the inside acetone of collecting of acetone collection box 11, need not to discharge finished product mixing box 3 and carry out the operation of acetone removal again, the convenience of aqueous polyurethane acetone removal has effectively been improved.

Example 2

Referring to fig. 1-6, a further improvement is made on the basis of embodiment 1:

in order to improve the acetone and collect box 11 and can effectively retrieve the acetone composition in the hot vapor, equal fixed mounting has pipe 111 of bending on every acetone collection box 11 inside wall, equal fixed mounting has inlet tube 113 and drain pipe 112 on every acetone collection box 11's the outside wall, every inlet tube 113 and drain pipe 112 respectively with the assorted pipe 111 of bending the end of intaking and go out the water end intercommunication, the equal block in drain department of cutting on every acetone collection box 11 is installed second rubber buffer 114.

In this embodiment, the cooling liquid can be discharged into the bent pipe 111 through the water inlet pipe 113, since the bent pipe 111 has a multi-bending structure, the path of the cooling liquid flowing inside the bent pipe 111 can be increased, the contact area between the hot vapor and the bent pipe 111 is increased, and the condensed water generation efficiency is effectively improved, when the hot vapor adheres to the outer wall of the bent pipe 111, the cooling liquid circulating inside the bent pipe 111 can quickly absorb the heat of the hot vapor, so as to ensure that the hot vapor can form condensed water and adhere to the outer wall of the bent pipe 111, and finally the condensed water with acetone components falls into the acetone collecting box 11 in a concentrated manner, the cooling liquid with increased temperature can be discharged from the bent pipe 111 through the drain pipe 112, so as to ensure that the cooling liquid can continuously and effectively cool the hot vapor, after the top cover 4 is opened and the acetone collecting box 11 is taken out of the mixing box 3, the staff can be extracted second rubber buffer 114 from the box 11 is collected to the acetone, then can let the comdenstion water that has the acetone composition discharge from the drain outlet department that the box 11 was collected to the acetone, is convenient for retrieve acetone, adopts the condensation recovery method, can effectually retrieve the acetone composition in the hot vapor.

In order to enable the motor 10 to drive the hollow rotating rod 14 to rotate, an acetone additive can be injected into the prepolymer, so that the power consumption of the device is saved, the second circular gear 101 is fixedly installed at the output end of the motor 10, the third circular gear 141 is fixedly installed on the outer wall of the hollow rotating rod 14, the third circular gear 141 and the second circular gear 101 are in meshing butt joint on the same horizontal plane, the first circular gear 61 is fixedly installed at the bottom end of the threaded rod 6, and the first circular gear 61 and the third circular gear 141 are in meshing connection on the same horizontal plane.

In this embodiment, be connected through the meshing between second circular gear 101 and the third circular gear 141, ensure that motor 10 can drive hollow bull stick 14 and rotate, then drive the stirring pipe 12 by hollow bull stick 14 and rotate and stir the mixture to the material in mixing box 3, be connected through the meshing between third circular gear 141 and the first circular gear 61, ensure that threaded rod 6 can follow hollow bull stick 14 and rotate, then can drive lifter plate 8 and push rod 9 and move down, ensure that piston 91 can impress the acetone additive in hollow bull stick 14 in stirring pipe 12, can drive the stirring structure through motor 10 and stir the prepolymer, can also pour into the acetone additive in the prepolymer in the stirring process, the electric energy consumption of device has effectively been saved.

In order to improve the convenience of getting the material of finished product material, get material pipe 2 at the outer wall mounting heavy-calibre of mixing box 3, get the open end of material pipe 2 and have a closing cap 21 through fixed screw 22 fixed mounting, the closing cap 21 is close to the one end fixed mounting who gets material pipe 2 has first rubber buffer 23, inside first rubber buffer 23 inserted and gets material pipe 2 to the outer wall of first rubber buffer 23 and the inseparable laminating of the inner wall of getting material pipe 2.

In this embodiment, install closing cap 21 screw thread at the open end of getting material pipe 2 through fixed screw 22, ensure that closing cap 21 can with get material pipe 2 firm connection, seal through first rubber buffer 23 to getting the opening of material pipe 2, can prevent that the inside material of mixing box 3 from revealing, after the material finished product acetone, the staff takes off fixed screw 22 from closing cap 21, then can follow material pipe 2 with closing cap 21 and first rubber buffer 23 and extract, owing to get material pipe 2 and be heavy-calibre tubular product, can prevent that the finished product material of thick form from causing the jam to getting material pipe 2, the convenience that the finished product material was got the material has effectively been improved.

In order to improve the firmness of the connection between the top cover 4 and the mixing box 3 and the convenience of opening the top cover 4, four fixing bolts 41 are installed on the top cover 4, the threaded ends of the four fixing bolts 41 penetrate through the top cover 4 and are in threaded connection with the top end of the mixing box 3, and four hanging rings 43 are fixedly installed on the upper surface of the top cover 4.

In this embodiment, through the threaded connection between fixing bolt 41 and mixing box 3, can fix top cap 4 on the top of mixing box 3, effectively improve the fastness that top cap 4 and mixing box 3 are connected, vibrations that produce when avoiding motor 10 to operate lead to top cap 4 to drop from mixing box 3, if need take off top cap 4 from mixing box 3's top, take out four fixing bolt 41 earlier, cup joint lifting rope end connection's couple on rings 43 again, drive top cap 4 rebound by lifting device, then take off it from mixing box 3's top, if the condition is limited, the staff also can pass rings 43 with lifting the pole, lift top cap 4 upwards by the manual work, also can let top cap 4 and mixing box 3 break away from the connection, the fastness after top cap 4 installation and the convenience when top cap 4 is opened have effectively been improved.

In order to improve the convenience of water supply and drainage of the cooling liquid, two first pipe orifices 42 and two second pipe orifices 44 are fixedly mounted at the top end of the top cover 4, each first pipe orifice 42 is fixedly connected with one end, far away from the acetone collecting box 11, of the matched water inlet pipe 113, and each second pipe orifice 44 is fixedly connected with one end, far away from the acetone collecting box 11, of the matched water drainage pipe 112.

In this embodiment, the one end of collecting box 11 with the inlet tube 113 far away from acetone and first mouth of pipe 42 fixed connection, can pour into the inlet tube 113 with the coolant liquid from first mouth of pipe 42 department, and let the coolant liquid along inlet tube 113 entering bend in the pipe 111, collect box 11's one end and second mouth of pipe 44 fixed connection with drain pipe 112 far away from acetone, can let the coolant liquid after rising temperature in the pipe 111 of bending discharge from second mouth of pipe 44 along drain pipe 112, because first mouth of pipe 42 and second mouth of pipe 44 all set up the upper surface at top cap 4, be convenient for link together outside water pipe and drain pipe 112 and inlet tube 113, the convenience of coolant liquid feedwater drainage has effectively been improved.

In order to improve the convenience of feeding the acetone additive, a material injection pipe orifice 142 communicated with the inside of the hollow rotating rod 14 is fixedly arranged on the outer wall of the hollow rotating rod, and the material injection pipe orifice 142 is arranged above the top cover 4.

In this embodiment, because annotate material mouth of pipe 142 and set up in top cap 4's top, so can accomplish the back at top cap 4 installation, add the acetone additive from annotating material mouth of pipe 142 again to hollow bull stick 14 in, when the acetone additive needs to be replenished, need not to open top cap 4 and can accomplish the operation of adding of acetone additive, it is more convenient to operate, has effectively improved the convenience when acetone additive is reinforced.

In order to improve the stability when threaded rod 6 rotates, install four bracing pieces 51 on the top of frame plate 5, the common fixed mounting in top of four bracing pieces 51 has limiting plate 7, and limiting plate 7 sets up in the top of frame plate 5, and threaded rod 6's top is passed behind lifter plate 8 and is connected with limiting plate 7's lower surface rotation.

In this embodiment, carry out the outrigger to limiting plate 7 through bracing piece 51, ensure that limiting plate 7 can firmly erect in the top of frame plate 5, because the top of threaded rod 6 is connected with the lower surface rotation of limiting plate 7, so can carry on spacingly to the top of threaded rod 6, avoid threaded rod 6 to produce when rotating and shake, effectively improved the stability when threaded rod 6 rotates.

Example 3

Referring to fig. 1-3, a further improvement is made on the basis of embodiment 2:

in order to reduce the waste of finished materials, the inner bottom wall of the mixing box 3 is inclined and inclined towards one side of the material taking pipe 2, and the material injecting pipe orifice 142 is arranged above the top cover 4 in order to improve the rotating efficiency of the hollow rotating rod 14.

In this embodiment, because diapire sets up to extracting tube 2 lopsidedness in mixing box 3, under the action of gravity, can let the finished product material in mixing box 3 slide to extracting tube 2 one side, for plane or concave inner bottom wall, can reduce the finished product material and remain the volume on the bottom wall in mixing box 3, effectively reduce the waste that causes the finished product material, will annotate material mouth of pipe 142 and set up in the top of top cap 4, and let and annotate the interval that persists more than 5cm between material mouth of pipe 142 and the top cap 4, can avoid annotating the upper surface contact of material mouth of pipe 142 and top cap 4, in hollow bull stick 14 rotation process, can prevent to annotate material mouth of pipe 142 and top cap 4 and produce the friction, avoid annotating material mouth of pipe 142 and cause the hindrance to hollow bull stick 14's rotation, hollow bull stick 14's rotation efficiency has effectively been improved.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (8)

1. The efficient mixing device for processing the waterborne polyurethane resin is characterized by comprising a base (1), wherein a mixing box (3) is fixedly mounted on the upper surface of the base (1), a material taking pipe (2) is fixedly mounted on the outer wall of the mixing box (3), a top cover (4) is fixedly mounted at the top end of the mixing box (3), two acetone collecting boxes (11) are fixedly mounted at the bottom end of the top cover (4) and positioned in the mixing box (3), a hollow rotating rod (14) is rotatably mounted on the top cover (4), a plurality of stirring pipes (12) are fixedly mounted on the hollow rotating rod (14), the stirring pipes (12) are positioned in the mixing box (3), a frame plate (5) is fixedly mounted at the top end of the top cover (4), a motor (10) is fixedly mounted on the upper surface of the frame plate (5), and the output end of the motor (10) penetrates through the frame plate (5) and is meshed with the top end of the hollow rotating rod (14), the top fixed mounting of frame plate (5) has limiting plate (7), common fixed mounting has four spacing axles (52), four between limiting plate (7) and frame plate (5) common movable mounting has lifter plate (8) on spacing axle (52), the lower fixed surface of lifter plate (8) installs push rod (9), the bottom of push rod (9) is inserted in hollow bull stick (14) and fixed mounting has piston (91), it installs threaded rod (6) to rotate on frame plate (5), the bottom and hollow bull stick (14) meshing of threaded rod (6) are connected, fixed mounting has electric plate (13) in compounding case (3), electric plate (13) set up in compounding case (3) the interval below of the storage of cutting.

2. The efficient mixing device for processing the aqueous polyurethane resin according to claim 1, wherein: every equal fixed mounting has pipe (111) of bending in the box (11) is collected to acetone, every equal fixed mounting has drain pipe (112) and inlet tube (113), every on the outer wall of box (11) is collected to acetone drain pipe (112) all with the assorted outlet end intercommunication of pipe (111) of bending, every inlet tube (113) all with the assorted end intercommunication of intaking of pipe (111) of bending, every second rubber buffer (114) are installed to equal block on the lateral wall of box (11) is collected to acetone.

3. The efficient mixing device for processing the aqueous polyurethane resin according to claim 1, wherein: the output of motor (10) passes frame plate (5) and fixed mounting has second round gear (101), the top fixed mounting that just is located top cap (4) on the outer wall of hollow bull stick (14) has third round gear (141), the below fixed mounting that the bottom of threaded rod (6) just is located frame plate (5) has first round gear (61), first round gear (61) and second round gear (101) all are connected with third round gear (141) meshing.

4. The efficient mixing device for processing the aqueous polyurethane resin according to claim 1, wherein: get one end fixed mounting that material pipe (2) kept away from mixing box (3) and have closing cap (21), be equipped with two fixed screws (22) on closing cap (21), the screw thread end of two fixed screws (22) all passes closing cap (21) and with get material pipe (2) threaded connection, one end fixed mounting that closing cap (21) are close to getting material pipe (2) has first rubber buffer (23), first rubber buffer (23) embedding is got in material pipe (2) and is connected rather than inseparable joint.

5. The efficient mixing device for processing the aqueous polyurethane resin according to claim 1, wherein: the top end fixed mounting of top cap (4) has four rings (43), be equipped with four fixing bolt (41) on top cap (4), every the screw thread end of fixing bolt (41) all passes top cap (4) and with mixing box (3) threaded connection.

6. The efficient mixing device for processing the aqueous polyurethane resin according to claim 1, wherein: the last fixed surface of top cap (4) installs two first mouths of pipe (42) and two second mouths of pipe (44), every first mouth of pipe (42) all communicates with inlet tube (113) that the phase-match set up, every second mouth of pipe (44) all communicates with drain pipe (112) that the phase-match set up.

7. The efficient mixing device for processing the aqueous polyurethane resin according to claim 1, wherein: the outer wall of the hollow rotating rod (14) is fixedly provided with a material injection pipe orifice (142), and the material injection pipe orifice (142) is arranged above the top cover (4).

8. The efficient mixing device for processing the aqueous polyurethane resin according to claim 1, wherein: the last fixed surface of frame plate (5) installs four bracing pieces (51), four the common fixed mounting in top of bracing piece (51) has limiting plate (7), lifter plate (8) are passed on the top of threaded rod (6) and rather than threaded connection, the top of threaded rod (6) is passed behind lifter plate (8) and is connected with the lower surface rotation of limiting plate (7).

Images