CN115779782A

CN115779782A - Preparation device and preparation process of bi-component viscoelastic polyurea

Info

Publication number: CN115779782A
Application number: CN202310092840.4A
Authority: CN
Inventors: 李洪剑; 李强; 王晓刚
Original assignee: Dongying Hairuibao New Material Co ltd
Current assignee: Dongying Hairuibao New Material Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-03-14
Anticipated expiration: 2043-02-10
Also published as: CN115779782B

Abstract

The invention relates to the field of viscoelastic polyurea preparation equipment, in particular to a preparation device and a preparation process of bi-component viscoelastic polyurea. The utility model provides a two component glues bullet polyurea preparation facilities, including the support, the support rigid coupling has a mixing drum and air pump, and the air pump has the pipe with the mixing drum intercommunication, and the mixing drum has the weighing sleeve of symmetric distribution through the supporting shoe rigid coupling, weighs sleeve sliding connection and has the push disk, and the push disk is provided with and is used for carrying out quantitative dosing mechanism to gluing. The air pump passes through the pipe and takes the air in with the mixing drum out, avoid in the air mixing glues, influence gluey follow-up use, through carrying out the ration in weighing the sleeve, need not operating personnel ration in advance, the A volume of avoiding actually participating in the mixture is less than the addition volume, glue at A and add before weighing the sleeve, there is not the air in weighing the sleeve nearly, through pushing away the joining speed cooperation that the dish slowly moves down and glues with A, make A glue and will push away the whole packings in dish top, avoid sneaking into of outside air.

Description

Preparation device and preparation process of bi-component viscoelastic polyurea

Technical Field

The invention relates to the field of viscoelastic polyurea preparation equipment, in particular to a preparation device and a preparation process of bi-component viscoelastic polyurea.

Background

The bi-component viscoelastic polyurea is a novel anhydrous solvent integrating various excellent performances, has the characteristics of water resistance, corrosion resistance, wear resistance and the like, is generally generated by the reaction of an isocyanate component and a mixed resin component, and is applied to various fields of buildings, wind power and the like.

The two-component polyurea has the following problems in the preparation process:

1. the two components need to be stirred and mixed, air is easily mixed in the process of adding the components into a stirring container, so that the produced polyurea contains bubbles, and after the polyurea is sprayed, the gas in the bubbles rises due to the rise of the external temperature, so that an unformed coating film is ejected out, and the strength and the performance of the coating are influenced.

2. And the adding amount of the two groups of glue is required to be quantitatively operated before use, leakage or partial glue is possibly generated to be attached to a flow guide pipeline in the process of adding the glue quantitatively into the stirring container, so that the glue actually participating in reaction and the weighed glue content are deviated, the proportion of the two components of the prepared polyurea deviates from the standard proportion, and the performance of the polyurea is reduced.

3. Because polyurea has certain viscosity, after mixing is completed, part of polyurea can be attached to the inner wall of the stirring container, and the viscosity of the polyurea can be increased along with the increase of time, and if the polyurea is not cleaned immediately, the subsequent cleaning is more difficult.

Disclosure of Invention

In order to overcome the defects that air is easily mixed in the process of adding glue into a stirring container, the produced polyurea contains bubbles and the strength and the performance of a coating are influenced, quantitative operation needs to be carried out on the adding amount of two groups of glue before use, leakage or partial glue is attached to a flow guide pipeline possibly in the process of adding the glue which is quantitatively finished into the stirring container, the proportion of two components of the prepared polyurea deviates from a standard proportion, the performance of the polyurea is reduced, partial polyurea is attached to the inner wall of the stirring container after the mixing is finished, the viscosity of the polyurea is increased along with the increase of time, if the polyurea is not cleaned immediately, the subsequent cleaning is more difficult, and a double-component viscoelastic polyurea preparation device and a preparation process with quantitative functions are provided.

The technical scheme is as follows: the device for preparing the bi-component viscoelastic polyurea based on the centrifugal principle comprises a support, wherein a mixing cylinder is fixedly connected to the support, a servo motor, an air pump and a control terminal, a liquid discharge port is formed in the lower portion of the mixing cylinder, an electromagnetic valve electrically connected with the control terminal is fixedly connected in the liquid discharge port of the mixing cylinder, the servo motor and the air pump are respectively electrically connected with the control terminal, the air pump is communicated with the mixing cylinder to form a conduit, a first gear is fixedly connected to an output shaft end of the servo motor, the mixing cylinder is rotatably connected with a rotating sleeve, the rotating sleeve is fixedly connected with a second gear meshed with the first gear, a stirring blade located in the mixing cylinder is fixedly connected in the circumferential direction of the rotating sleeve, a row of through holes are formed in the stirring blade, the circulation of bi-component glue is increased, the mixing cylinder is fixedly connected with symmetrically distributed weighing sleeves through supporting blocks, the weighing sleeves are transparent shells, the weighing sleeves are provided with electromagnetic valves electrically connected with the control terminal, one weighing sleeve is communicated with a first conduit, the mixing cylinder is communicated with a mixing shell communicated with the first conduit, the other weighing sleeve is communicated with a second conduit communicated with a push disc, the first conduit and the second conduit are fixedly connected with a quantitative air pump, and a quantitative glue mechanism for controlling the air pump to prevent the air from being mixed in advance.

Preferably, the quantitative mechanism comprises a slide rod, the slide rod is connected to the weighing sleeve in a sliding mode and fixedly connected with the push disc, a through hole used for balancing air pressure is formed in the bottom of the weighing sleeve, a rack is fixedly connected to the slide rod, a three-phase motor electrically connected with the control terminal is embedded in the bottom plate, a round platform sleeve is fixedly connected to the output shaft end of the three-phase motor through a rotating shaft, the bottom plate is rotatably connected with a spline rod, a first bevel gear is fixedly connected to the bottom plate through an L-shaped supporting rod, a third gear meshed with the rack is fixedly connected to one end of the spline rod, a second bevel gear meshed with the first bevel gear is fixedly connected to the other end of the spline rod, the spline rod is slidably connected with a rotating wheel in contact with the round platform sleeve, the axis of the round platform sleeve is parallel to the spline rod, the rotating wheel is rotatably connected with a limiting sleeve, an L-shaped fixing rod is fixedly connected to the limiting sleeve, a limiting block matched with the L-shaped fixing rod is fixedly connected to the rack, and a limiting assembly used for limiting the limiting of the limiting sleeve is arranged on the bottom plate.

Preferably, spacing subassembly is including the rectangle gag lever post, rectangle gag lever post rigid coupling in the L shape branch with the bottom plate rigid coupling, the lower part of rack is provided with the inclined plane, rectangle gag lever post sliding connection have with rack lower part complex L shape gag lever post, the rigid coupling has the spring between L shape gag lever post and the rectangle gag lever post, L shape gag lever post rigid coupling has the limiting plate, the bottom plate rigid coupling has spacing guide arm, spacing guide arm sliding connection has the fixed block with spacing sleeve rigid coupling, the fixed block is provided with the rectangle blind hole, sliding connection has the wedge in the blind hole of fixed block, one side that the limiting plate is close to the wedge sets up to the zigzag, limiting plate and wedge cooperation, the rigid coupling has the spring between wedge and the fixed block, it is provided with the determine module that is used for supplementary dosing mechanism work to weigh the sleeve.

Preferably, the detection subassembly is including first pressure sensor, top in weighing the sleeve of first pressure sensor rigid coupling, the top is provided with the blind hole in weighing the sleeve, it is provided with the buoyancy casing to slide in weighing the telescopic blind hole, the rigid coupling has with buoyancy casing complex second pressure sensor in weighing the telescopic blind hole, first pressure sensor and second pressure sensor are connected with control terminal electricity respectively, it has the scale plate of the volume of adding glue that the operating personnel of being convenient for observed to weigh the sleeve rigid coupling.

Preferably, still including being used for the pre-mixed dispersion subassembly of viscous and elastic polyurea, the dispersion subassembly sets up in mixing the casing, and the dispersion subassembly is including a top dish, and a top dish rotates to be connected in first pipe, and top dish circumference rigid coupling has the water conservancy diversion piece, exists the gap between the adjacent water conservancy diversion piece, and the water conservancy diversion piece rigid coupling has the chassis.

Preferably, the inner side surface of the flow guide block is arranged to be an arc-shaped surface, and the base plate is arranged to be conical and used for guiding and discharging glue.

Preferably, still including the clearance mechanism that is used for assisting the glutinous polyurea that plays of stirring, clearance mechanism sets up in the mixing drum, clearance mechanism is including the fourth gear, fourth gear rigid coupling in servo motor's output shaft, it is connected with first pivot to rotate the cover in, the one end rigid coupling of first pivot has the fifth gear, the other end and the chassis rigid coupling of first pivot, first pivot rigid coupling has the mount that is located the mixing drum, mount circumference rigid coupling has the bar scraper blade that is used for assisting the glutinous polyurea that plays of stirring, the mount is provided with and is used for assisting the disturbance subassembly that the gluey scraping off of bar scraper blade.

Preferably, the disturbance component comprises a second rotating shaft, the second rotating shaft is rotatably connected to the fixing frame, a gear ring is fixedly connected to the inner side face of the mixing cylinder, a sixth gear meshed with the gear ring is fixedly connected to the second rotating shaft, and an arc-shaped scraper is fixedly connected to the circumferential direction of the second rotating shaft.

Preferably, one side of the strip-shaped scraper close to the second rotating shaft is provided with an arc-shaped concave surface for turning over the surface adhesive on the inner side of the mixing cylinder.

Preferably, the preparation process of the bi-component viscoelastic polyurea based on the centrifugal principle comprises the following steps:

step S1: an operator firstly adds the glue A and the glue B into adjacent weighing sleeves through two conical funnels, the push discs in the two weighing sleeves move downwards, the transmission ratio between the rotary wheel and the circular truncated cone sleeve is changed, so that the upward moving speed of the push discs during resetting is changed, the discharge speed of the glue A is in direct proportion to the adding amount, and subsequent premixing is facilitated;

step S2: after the glue of the two components is added, the glue A in one weighing sleeve is pushed out to enter between the flow guide blocks through the push disc, and the glue B in the other weighing sleeve is pushed out to enter the mixing shell 11 through the push disc;

and step S3: the first rotating shaft rotates to enable the glue A in the cavity formed by the flow guide blocks to be centrifugally thrown out, and the glue A is thrown out from a gap between the adjacent flow guide blocks and premixed with the glue B in the annular cavity;

and step S4: the glue after the premixing enters a mixing cylinder to be mixed again, and a stirring blade in the mixing cylinder rotates to mix glue A and glue B;

step S5: and after the preparation of the bi-component glue is finished, discharging the bi-component glue from a discharge port below the mixing cylinder, and discharging the residual mixed glue in the mixing cylinder by using the arc-shaped scraper.

The invention has the following advantages:

1. the air pump passes through the pipe and with the air suction in the mixing drum, avoids in the air mixing glues, influences gluey follow-up use.

2. Through carrying out the ration in weighing the sleeve, need not operating personnel ration in advance, the A volume of avoiding actually participating in the mixture glues and is less than weighing the volume, glues at A and adds and weighs between the sleeve, does not have the air in weighing the sleeve almost, through pushing away the speed cooperation that the dish slowly moves down and glues with A, makes A glue and will push away the whole packings in dish top, avoids sneaking into of outside air.

3. What change through adding A glue pushes away the speed that the dish moved up, both change A glue from weighing telescopic discharge velocity to cooperate with the discharge velocity that B glued, glue at A and glue the input quantity not simultaneously with B, through changing two discharge velocities of gluing (both add the volume more, discharge velocity is faster), make two glue mix with certain proportion when mixing (the proportion of the volume that gets into the mixing drum in the unit interval), thereby realize better mixed effect.

4. Drive the mixed glue that the arc scraper blade scraped the bar scraper blade through the sixth gear through the second pivot and carry out the water conservancy diversion, avoid mixed glue to form at the bar scraper blade and pile up, lead to the bar scraper blade to strike off the effect and reduce, and the arc scraper blade can increase the mobility of mixed glue near the mixing drum inner wall, avoid mixed glue to adhere to at the mixing drum inner wall, simultaneously in mixed glue discharge back, the bar scraper blade still can strike off the adnexed mixed glue of mixing drum inner wall, subsequent clearance of being convenient for.

5. Through the high-speed rotation of the first rotating shaft, the glue A in the cavity formed by the flow guide block is centrifugally thrown out and mixed with the glue B in the buffer cavity, and the glue A and the glue B are completely discharged in the same time, so that the two kinds of glue are fully mixed in the premixing process.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial cross-sectional view of a three-dimensional structure according to the present invention.

Fig. 3 is a partial cross-sectional view of another three-dimensional structure of the present invention.

Fig. 4 is a partial sectional view of a first three-dimensional structure of the dosing mechanism of the present invention.

Fig. 5 is a partial sectional view of a second three-dimensional structure of the dosing mechanism of the present invention.

Fig. 6 is a partial cross-sectional view of a third embodiment of the dosing mechanism according to the invention.

Fig. 7 is an enlarged perspective view of the present invention at B.

Fig. 8 is a partial cross-sectional view of a third embodiment of the dosing mechanism according to the invention.

Fig. 9 is an enlarged perspective view of the present invention at a.

Fig. 10 is a perspective, partially cross-sectional view of a dispersion assembly according to the invention.

Fig. 11 is a partial cross-sectional view of another alternate embodiment of a dispersion assembly in accordance with the invention.

FIG. 12 is a partial cross-sectional view of the cleaning mechanism of the present invention in a three-dimensional configuration.

FIG. 13 is a perspective, partially cross-sectional view of a perturbation assembly according to the present invention.

FIG. 14 is a partial cross-sectional view of another alternative embodiment of a perturbation assembly according to the present invention.

In the figure: 1-bracket, 2-mixing barrel, 3-servo motor, 4-air pump, 5-first gear, 6-rotating sleeve, 7-second gear, 8-stirring blade, 9-weighing sleeve, 10-first conduit, 11-mixing housing, 12-second conduit, 13-pushing disc, 1401-sliding rod, 1402-rack, 1403-bottom plate, 1404-three-phase motor, 1405-circular truncated cone sleeve, 1406-spline rod, 1407-first bevel gear, 1408-rotating rod, 1409-third gear, 1410-second bevel gear, 1411-rotating wheel, 1412-limiting sleeve, 1413-L-shaped fixed rod, 1414-limiting block, 1415-rectangular limiting rod, 1416-L-shaped limiting rod, 1417-limiting plate, 1418-limiting guide rod, 1419-fixed block, 1419-wedge block, 1421-first pressure sensor, 1422-buoyancy housing, 1423-second pressure sensor, 1501-top disc, 1501-guide block, 1502-1502, chassis-fourth gear, 1604-wedge block, 1601-first pressure sensor, 1603-second pressure sensor, 1605-second rotating shaft, 1605-arc-second gear, 1607-arc-limiting block, 1418-third gear, and fourth rotating shaft, 1605-arc-rotating shaft.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A device for preparing bi-component viscoelastic polyurea based on a centrifugal principle is shown in figures 1-3 and comprises a support 1, wherein a mixing barrel 2, a servo motor 3, an air pump 4 and a control terminal are fixedly connected to the support 1, a liquid discharge port is formed in the lower portion of the mixing barrel 2, an electromagnetic valve electrically connected with the control terminal is fixedly connected in the liquid discharge port of the mixing barrel 2, the servo motor 3 and the air pump 4 are respectively electrically connected with the control terminal, the air pump 4 is communicated with the mixing barrel 2 through a conduit, air in the mixing barrel 2 is pumped out through the conduit by the air pump 4 to avoid the air from being mixed into the glue to influence the subsequent use of the glue, a first gear 5 is fixedly connected to an output shaft end of the servo motor 3, the mixing barrel 2 is rotatably connected with a rotating sleeve 6, a second gear 7 meshed with the first gear 5 is welded to the rotating sleeve 6, and a stirring blade 8 positioned in the mixing barrel 2 is fixedly connected to the circumferential direction of the rotating sleeve 6, stirring leaf 8 is provided with one row of through-holes, increase the circulation that the bi-component glued, thereby increase gluey mixing velocity, mixing drum 2 has the weighing sleeve 9 of symmetric distribution through the supporting shoe welding, weighing sleeve 9 is transparent shell, the operating personnel of being convenient for observe the content of weighing sleeve 9 internal glue, weighing sleeve 9 is provided with the solenoid valve of being connected with control terminal electricity, weighing sleeve 9 intercommunication on right side has first pipe 10, mixing drum 2 intercommunication has the mixed casing 11 with first pipe 10 intercommunication, left weighing sleeve 9 intercommunication has the second pipe 12 with mixed casing 11 intercommunication, equal rigid coupling has the solenoid valve of being connected with control terminal electricity in first pipe 10 and the second pipe 12, weighing sleeve 9 sliding connection has push disk 13, push disk 13 is provided with and is used for carrying out quantitative dosing mechanism to glue, dosing mechanism is connected with control terminal electricity.

As shown in fig. 2 and fig. 4-8, the quantitative mechanism includes a sliding rod 1401, the sliding rod 1401 is slidably connected to the weighing sleeve 9 and is fixedly connected to the pushing disc 13, a through hole for balancing air pressure is provided at the bottom of the weighing sleeve 9, the pushing disc 13 can move up and down smoothly in the weighing sleeve 9, the sliding rod 1401 is fixedly connected to a rack 1402, a three-phase motor 1404 is embedded in a bottom plate 1403, the three-phase motor 1404 is electrically connected to a control terminal, a circular truncated cone sleeve 1405 is fixedly connected to an output shaft end of the three-phase motor 1404 through a rotating shaft, the bottom plate 1403 is rotatably connected to a spline rod 1406, the spline rod 1406 is fixedly connected to a first bevel gear 1407, the bottom plate 1403 is rotatably connected to a rotating rod 1408 through an L-shaped strut, a third gear 1409 engaged with the rack 1402 is fixedly connected to a front end of the rotating rod 1408, the rear end of the rotating rod 1408 is fixedly connected with a second bevel gear 1410 meshed with a first bevel gear 1407, the spline rod 1406 is connected with a rotating wheel 1411 in sliding contact with a circular table sleeve 1405, the axis of the circular table sleeve 1405 is parallel to the spline rod 1406, so that the rotating wheel 1411 is always in contact with the circular table sleeve 1405 in the up-and-down moving process of the spline rod 1406, along with the downward moving of the rotating wheel 1411, the transmission ratio between the rotating wheel 1411 and the circular table sleeve 1405 is gradually increased, the rotating wheel 1411 is rotatably connected with a limiting sleeve 1412, the limiting sleeve 1412 is fixedly connected with an L-shaped fixing rod 1413, the rack 1402 is fixedly connected with a limiting block 1414 matched with the L-shaped fixing rod 1413, and the bottom plate 1403 is provided with a limiting component for limiting the limiting sleeve 1412.

As shown in fig. 6-8, the limiting component includes a rectangular limiting rod 1415, the rectangular limiting rod 1415 is fixedly connected to an L-shaped support rod welded to the bottom plate 1403, the lower portion of the rack 1402 is provided with an inclined surface, the rectangular limiting rod 1415 is slidably connected to an L-shaped limiting rod 1416 matched with the lower portion of the rack 1402, a spring is fixedly connected between the L-shaped limiting rod 1416 and the rectangular limiting rod 1415, the L-shaped limiting rod 1416 is welded with a limiting plate 1417, the pushing plate 13 drives the rack 1402 to move downward, the lower end of the rack 1402 gradually releases the limiting on the L-shaped limiting rod 1416, the spring fixedly connected to the rectangular limiting rod 1415 is reset, the L-shaped limiting rod 1416 drives the limiting plate 1417 to move leftward, the bottom plate 1403 is fixedly connected to a limiting guide rod 1418, the limiting guide rod 1418 is connected with a fixing block 1419 fixedly connected with a limiting sleeve 1412 in a sliding mode, the fixing block 1419 is provided with a rectangular blind hole, a wedge block 1420 is connected in the blind hole of the fixing block 1419 in a sliding mode, one side, close to the wedge block 1420, of the limiting plate 1417 is arranged in a sawtooth shape, the limiting plate 1417 is matched with the wedge block 1420, a spring is fixedly connected between the wedge block 1420 and the fixing block 1419, the wedge block 1420 is in contact with the sawtooth shape of the limiting plate 1417 through matching and shrinkage and resetting of the spring fixedly connected with the wedge block 1420, the wedge block 1420 is limited by the sawtooth shape of the limiting plate 1417, the descending distance of the wedge block 1420 is kept, resetting of the wedge block 1420 is avoided, and the weighing sleeve 9 is provided with a detection assembly for assisting the quantitative mechanism to work.

As shown in fig. 2 and 9, the detecting component includes a first pressure sensor 1421, the first pressure sensor 1421 is fixedly connected to the top of the inside of the weighing sleeve 9, a blind hole is formed in the top of the inside of the weighing sleeve 9, a buoyancy housing 1422 is slidably disposed in the blind hole of the weighing sleeve 9, a gap between the push disc 13 and the weighing sleeve 9 is gradually filled with an a glue, the a glue enters the blind hole of the weighing sleeve 9 to drive the buoyancy housing 1422 to move upward, a second pressure sensor 1423 matched with the buoyancy housing 1422 is fixedly connected to the blind hole of the weighing sleeve 9, the first pressure sensor 1421 and the second pressure sensor 1423 are respectively electrically connected to the control terminal, the weighing sleeve 9 is fixedly connected to a scale plate for facilitating observation of an amount of the a glue added by an operator, the rack 1402 drives the push disc 13 to move downward through the slide bar 1401, the operator determines the specific amount of the a glue added by observing positions of scale marks on the push disc 13 and the scale plate, and stops adding the a glue into the weighing sleeve 9 when the push disc 13 and the scale plate correspond to the required scale marks, thereby completing the quantitative determination of the amount of the a glue.

Preparing bi-component viscoelastic polyurea, wherein the push disc 13 is initially positioned in the weighing sleeve 9 and has a gap with the upper surface thereof, an operator closes the electromagnetic valves in the mixing cylinder 2 discharge port, the first conduit 10 and the second conduit 12 through the control terminal, opens the electromagnetic valve of the weighing sleeve 9, starts the air pump 4 through the control terminal, the air pump 4 pumps air in the mixing cylinder 2 through the conduits to prevent the air from mixing into the glue, thereby affecting the subsequent use of the glue, after the air is pumped out from the mixing cylinder 2, the operator closes the air pump 4 through the control terminal, the operator adds glue A and glue B into the adjacent weighing sleeve 9 through two conical funnels, taking the process of adding glue A into the right weighing sleeve 9 as an example, the glue A gradually fills the gap between the push disc 13 and the weighing sleeve 9, the glue A enters the blind hole of the weighing sleeve 9 to drive the buoyancy housing 1422 to move upwards, when the buoyancy housing 1422 contacts the second pressure sensor 1423, the second pressure sensor 1423 controls the terminal to start the three-phase viscoelastic polyurea, 1404, and a third pressure sensor 1423 drives the corresponding push disc to move downwards through a scale bar 1409, a rack 1409, and a scale bar 1409, thereby determining the quantitative glue, the quantitative motor, the quantitative rack 1409, the operator can move downwards through a scale bar 1407, and the third rotary wheel 1409 in advance, in the process of adding the weighing sleeve 9 with the glue A quantified in advance by an operator, the glue A is sprinkled or attached to a diversion pipeline, the glue A actually participating in mixing is smaller than the added amount, before the glue A is added into the weighing sleeve 9, air hardly exists in the weighing sleeve 9, the glue A slowly moves downwards through the push disk 13 and is matched with the adding speed of the glue A, the glue A is completely filled above the push disk 13, the mixing of outside air is avoided, in the downward movement process of the push disk 13, the transmission ratio between the rotating wheel 1411 and the circular truncated cone sleeve 1405 is changed, the upward moving speed of the push disk 13 during resetting is changed, the discharging speed of the glue A is in direct proportion to the added amount, the subsequent premixing is facilitated, and the specific operation is as follows:

the push disc 13 drives the rack 1402 to move downwards, the lower end of the rack 1402 gradually releases the limit of the L-shaped limiting rod 1416, the spring fixedly connected with the rectangular limiting rod 1415 is reset, the L-shaped limiting rod 1416 drives the limiting plate 1417 to be close to the wedge block 1420, at the moment, the sawtooth shape of the left portion of the limiting plate 1417 is located on the moving path of the wedge block 1420, the limiting state of the wedge block 1420 by the limiting plate 1417 is ready to be completed, in the downward moving process of the rack 1402, the rack 1402 drives the limiting block 1414 to move downwards, the L-shaped fixing rod 1413 is located on the moving path of the limiting block 1414, the limiting block 1414 is in contact with the L-shaped fixing rod 1413 and drives the wedge block 1420 to move downwards, the L-shaped fixing rod 1413 drives the runner 1411 to move downwards through the limiting sleeve 1412, the transmission ratio between the runner 1411 and the circular truncated cone sleeve 1405 is gradually increased along with the downward movement of the rotating wheel 1411, the limiting sleeve 1412 drives the wedge block 1420 to move downwards through the fixing block 1419, when the limiting block 1420 is in contact with the sawtooth shape of the limiting plate 1417, the limiting block 1420 is fixedly connected with the wedge block 1420 in cooperation, the wedge block 1420 is fixedly connected with the wedge block 1420, so that the wedge block is enabled to be fixed by the sawtooth shape of the rack 1417, the limiting block 1411, the limiting block 1417, the limiting block 1411 is kept, the limiting block 1420 is prevented from moving, the limiting block 1411, the limiting distance of the limiting block 1411, the limiting block 1420 is reset, the limiting block 1420 is prevented from moving downwards, the limiting block 1411, the limiting block 1420 is indirectly reset, the pushing disc 1420 is reset, the pushing plate 1411, the pushing disc 13, the pushing distance of the pushing plate 1420 is prevented from moving, the pushing of the pushing plate 1411, the pushing plate, the pushing disc 13 is prevented from moving, and the pushing disc 1420, and is prevented from moving downwards, and the pushing disc 13 is prevented from moving, and the pushing of the pushing disc 1420, and the pushing disc 13 is prevented from being reset, and the pushing disc 1420, and the pushing disc 13 is prevented from being directly, and the pushing disc 1420, and the pushing disc 13 is prevented from moving, and the pushing disc 13, and the pushing of the pushing disc.

In the process of discharging the glue A from the weighing sleeve 9, an operator opens the electromagnetic valve in the first conduit 10 through the control terminal, and starts the three-phase motor 1404 to drive the circular truncated cone sleeve 1405 to rotate reversely, the rack 1402 drives the stop block 1414 to move upwards, the stop block 1414 stops limiting the L-shaped fixed rod 1413, because the stop plate 1417 stops the wedge 1420, after the stop block 1414 stops limiting the L-shaped fixed rod 1413, the wedge 1420 cannot move upwards, the transmission ratio between the rotating wheel 1411 and the circular truncated cone sleeve 1405 is unchanged, the push disc 13 starts to move upwards, at the moment, the rising speed of the push disc 13 is in direct proportion to the quantity of the added glue A, the glue A above the push disc 13 is gradually discharged through the first conduit 10, when the lower part of the rack 1402 is contacted with the L-shaped stop rod 1416, the rack 1402 drives the stop plate 1417 to be far away from the wedge 1420 through the L-shaped stop rod 1416, the limiting plate 1417 relieves the limitation on the wedge-shaped block 1420, the spring sleeved on the limiting guide rod 1418 is reset, the fixed block 1419 drives the rotating wheel 1411 to reset through the limiting sleeve 1412, the transmission ratio between the rotating wheel 1411 and the circular table sleeve 1405 is restored, when the push disc 13 is in contact with the first pressure sensor 1421, the first pressure sensor 1421 transmits a signal to the control terminal, the operator stops the three-phase motor 1404 through the control terminal, and the discharging of the glue A is completed, in conclusion, the discharging speed of the glue A from the weighing sleeve 9 is changed by changing the amount of the glue A added to change the upward moving speed of the push disc 13, so that the discharging speed of the glue A is matched with the discharging speed of the glue B, and when the adding amount of the glue A is different from that of the glue B, the discharging speeds of the two glues are mixed in a certain proportion (i.e. the proportion of the amount of the two glues entering the mixing cylinder 2 in unit time), thereby achieving a better mixing effect.

A glue discharges from first pipe 10 and gets into mixing drum 2 through mixing casing 11 in, B glues from second pipe 12 and gets into mixing drum 2 through mixing casing 11, glue from first pipe 10 discharge in-process at A, operating personnel starts servo motor 3 through control terminal, servo motor 3 passes through first gear 5, second gear 7 and rotating sleeve 6 drive stirring leaf 8 clockwise, stirring leaf 8 mixes A glue and B glue, because stirring leaf 8 is provided with a row of through-holes, when reducing stirring leaf 8 rotation resistance, increase the mixing velocity of two glues, after two kinds of glue mixes, operating personnel closes the solenoid valve in first pipe 10 and the second pipe 12, open the solenoid valve in mixing drum 2 discharge outlet, mix glue and discharge from its below in mixing drum 2, operating personnel closes servo motor 3 through control terminal, operating personnel collects the mixed glue with the container.

Example 2

On the basis of embodiment 1, as shown in fig. 2, 10 and 11, the adhesive-elastic polyurea dispersing device further comprises a dispersing assembly for premixing the adhesive-elastic polyurea, the dispersing assembly is arranged in the mixing shell 11, the dispersing assembly comprises a top disk 1501, the top disk 1501 is rotatably connected to the first conduit 10, flow guide blocks 1502 are fixedly connected to the periphery of the top disk 1501, a gap is formed between every two adjacent flow guide blocks 1502 and used for discharging glue, the inner side surface of each flow guide block 1502 is arranged to be an arc-shaped surface, and the bottom disk 1503 is arranged to be conical, so that the discharged glue a is guided, the glue a is prevented from being retained in a cavity formed by the flow guide blocks 1502, and the flow guide blocks 1502 are fixedly connected with the bottom disk 1503.

As shown in fig. 2 and fig. 12-14, the device further comprises a cleaning mechanism for assisting in stirring the sticky and elastic polyurea, the cleaning mechanism is disposed on the mixing drum 2, the cleaning mechanism comprises a fourth gear 1601, the fourth gear 1601 is fixedly connected to an output shaft of the servo motor 3, a first rotating shaft 1602 is rotatably connected in the rotating sleeve 6, a fifth gear 1603 is fixedly connected to a lower end of the first rotating shaft 1602, an upper end of the first rotating shaft 1602 is fixedly connected to the chassis 1503, a fixing frame 1604 is fixedly connected to the first rotating shaft 1602 and is located in the mixing drum 2, a bar-shaped scraping plate 1605 for assisting in stirring the sticky and elastic polyurea is fixedly connected to the fixing frame 1604 in the circumferential direction, and the fixing frame 1604 is provided with a disturbance component for assisting in scraping the glue by the bar-shaped scraping plate 1605.

As shown in fig. 13 and 14, the disturbing component includes a second rotating shaft 1606, one side of the strip-shaped scraper 1605 close to the second rotating shaft 1606 is set to be an arc concave surface, the strip-shaped scraper 1605 guides the mixed glue of the mixing drum 2 close to the inner wall thereof to the middle part, the mixing degree of the glue is increased, the second rotating shaft 1606 is rotatably connected to the fixing frame 1604, the inner side surface of the mixing drum 2 is fixedly connected to a gear ring, the second rotating shaft 1606 is fixedly connected to a sixth gear 1607 engaged with the gear ring, the circumferential direction of the second rotating shaft 1606 is fixedly connected to an arc-shaped scraper 1608, the sixth gear 1607 drives the arc-shaped scraper 1608 through the second rotating shaft 1606 to guide the mixed glue scraped by the strip-shaped scraper 1605, so that the mixed glue is prevented from being accumulated on the strip-shaped scraper 1605, and the scraping effect of the strip-shaped scraper 1605 is reduced.

Clearance mechanism is used for supplementary mixing to glue stirs, in the process of rotating cover 6 pivoted, servo motor 3 passes through fourth gear 1601, fifth gear 1603 and first pivot 1602 drive mount 1604 rotate, mount 1604 drives three bar scraper 1605 and second pivot 1606 clockwise rotation, because one side that bar scraper 1605 is close to second pivot 1606 sets up to the arc concave surface, bar scraper 1605 leads to the middle part with mixing of mixing section of thick bamboo 2 near its inner wall to mixed glue, the mixed degree of glue has been increased, because sixth gear 1607 and ring gear meshing, sixth gear 1607 drives arc scraper 1608 anticlockwise rotation through second pivot 1606, carry out the water conservancy diversion with the mixing glue that bar scraper 1605 scraped down, avoid mixing glue to form on the arc concave surface of bar scraper 1605 and pile up, lead to bar scraper 1605 effect to reduce, and arc scraper 1608 can increase the mobility of mixing glue near mixing section of thick bamboo 2 inner wall, avoid mixing glue to adhere to in mixing section of thick bamboo 2 inner wall, simultaneously after mixing glue discharges, bar scraper 1605 still can scrape the mixing section of thick bamboo 2 inner wall with the mixed glue of scraping, be convenient for subsequent clearance to adhere to.

The dispersion assembly is used for premixing glue A and glue B, in the process of rotation of the first rotating shaft 1602, the first rotating shaft 1602 drives the base plate 1503, the flow guide block 1502 and the top plate 1501 to rotate, the glue A discharged from the first conduit 10 enters a cavity formed by the flow guide block 1502, the glue B discharged from the second conduit 12 enters an annular cavity formed by the base plate 1503, the flow guide block 1502, the top plate 1501 and the mixing shell 11, the glue A in the cavity formed by the flow guide block 1502 is centrifugally thrown out due to high-speed rotation of the first rotating shaft 1602, the glue A is thrown out from a gap between adjacent flow guide blocks 1502 and mixed with the glue B in the annular cavity, and the glue A and the glue B are all discharged in the same time, so that the two kinds of glue are fully mixed in the premixing process, the inner side face of the flow guide block 1502 is set to be an arc face, the base plate is set to be conical, the discharged glue A plays a role in flow guide, and is prevented from being retained in the cavity formed by the flow guide block 1502.

Example 3

On the basis of example 2, the preparation process of the bi-component viscoelastic polyurea based on the centrifugal principle comprises the following steps:

step S1: firstly, an operator adds glue A and glue B into adjacent weighing sleeves 9 through two conical funnels, push discs 13 in the two weighing sleeves 9 move downwards, the transmission ratio between a rotary wheel 1411 and a circular table sleeve 1405 is changed, the upward moving speed of the push discs 13 during resetting is changed, the discharging speed of the glue A is in direct proportion to the adding amount, and subsequent premixing is facilitated;

step S2: after the addition of the two components of glue is completed, the glue A in one weighing sleeve 9 is pushed out to enter between the flow guide blocks 1502 through the push disc 13, and the glue B in the other weighing sleeve 9 is pushed out to enter the mixing shell 11 through the push disc 13;

and step S3: the first rotating shaft 1602 rotates to enable the glue A in the cavity formed by the flow guide blocks 1502 to be centrifugally thrown out, and the glue A is thrown out from the gap between the adjacent flow guide blocks 1502 and premixed with the glue B in the annular cavity;

and step S4: the glue after the premixing enters the mixing cylinder 2 to be mixed again, and the stirring blade 8 in the mixing cylinder 2 rotates to mix the glue A and the glue B;

step S5: when the preparation of the two-component glue is completed, the two-component glue is discharged from a discharge port below the mixing drum 2, and the curved scraper 1608 discharges the mixed glue remaining in the mixing drum 2.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a two-component glutinous bullet polyurea preparation facilities, including support (1), support (1) rigid coupling has mixing drum (2), servo motor (3), air pump (4) and control terminal, mixing drum (2) lower part is provided with the leakage fluid dram, the rigid coupling has the solenoid valve of being connected with the control terminal electricity in the leakage fluid dram of mixing drum (2), servo motor (3) and air pump (4) are connected with the control terminal electricity respectively, air pump (4) have pipe, characterized by with mixing drum (2) intercommunication: the output shaft end of the servo motor (3) is fixedly connected with a first gear (5), the mixing cylinder (2) is rotatably connected with a rotating sleeve (6), the rotating sleeve (6) is fixedly connected with a second gear (7) meshed with the first gear (5), the rotating sleeve (6) is fixedly connected with a stirring blade (8) in the mixing cylinder (2) in the circumferential direction, the stirring blade (8) is provided with a row of through holes to increase the circulation of the bi-component glue, the mixing cylinder (2) is fixedly connected with symmetrically distributed weighing sleeves (9) through supporting blocks, the weighing sleeves (9) are transparent shells, the weighing sleeves (9) are provided with electromagnetic valves electrically connected with a control terminal, one weighing sleeve (9) is communicated with a first conduit (10), the mixing cylinder (2) is communicated with a mixing shell (11) communicated with the first conduit (10), the other weighing sleeve (9) is communicated with a second conduit (12) communicated with the mixing shell (11), the first conduit (10) and the second conduit (12) are fixedly connected with electromagnetic valves electrically connected with the control terminal, a push disc (13) is connected with a quantitative air pump (13) in the mixing cylinder (4) in advance to prevent air from being mixed with the quantitative glue control mechanism;

quantitative mechanism is including slide bar (1401), slide bar (1401) sliding connection in weighing sleeve (9) and with push away set (13) rigid coupling, weighing sleeve (9) bottom is provided with the through-hole that is used for balanced atmospheric pressure, slide bar (1401) rigid coupling has rack (1402), bottom plate (1403) are inlayed and are connected with three-phase motor (1404) with control terminal electricity, the output shaft end of three-phase motor (1404) has round platform sleeve (1405) through the pivot rigid coupling, bottom plate (1403) rotation connection has spline pole (1406), spline pole (1406) rigid coupling has first bevel gear (1407), bottom plate (1403) is connected with bull stick (1408) through L shape branch rotation, the one end rigid coupling of bull stick (1408) has third gear (1409) with rack (1402) meshing, the other end rigid coupling of bull stick (1408) has second bevel gear (1410) with first bevel gear (1407) meshing, spline pole (1406) sliding connection has runner (1411) with the contact with rack (1405), the axis of round platform sleeve (1405) is parallel with pole (1405), runner (1406) rotation is connected with spacing sleeve (1412), spacing sleeve (1412) is provided with spacing subassembly (1412) and spacing fixed connection has spacing subassembly (1412) for spacing fixed connection of rack (1414).

2. The apparatus according to claim 1, wherein the apparatus comprises: the limiting assembly comprises a rectangular limiting rod (1415), the rectangular limiting rod (1415) is fixedly connected to an L-shaped supporting rod fixedly connected with a bottom plate (1403), an inclined surface is arranged on the lower portion of a rack (1402), the rectangular limiting rod (1415) is connected with an L-shaped limiting rod (1416) matched with the lower portion of the rack (1402) in a sliding mode, a spring is fixedly connected between the L-shaped limiting rod (1416) and the rectangular limiting rod (1415), a limiting plate (1417) is fixedly connected with the L-shaped limiting rod (1416), a limiting guide rod (1418) is fixedly connected with a fixing block (1419) fixedly connected with a limiting sleeve (1412), a rectangular blind hole is formed in the fixing block (1419), a wedge-shaped block (1420) is connected in the blind hole of the fixing block (1419) in a sliding mode, one side, close to the wedge-shaped block (1420), of the limiting plate (1417) is arranged to be a sawtooth shape, the limiting plate (1417) is matched with the wedge-shaped block (1420), the wedge-shaped block (1420) is fixedly connected between the wedge-shaped block (1420), a spring is fixedly connected between the wedge-shaped block (1420), and the fixing block (1420), and a detection assembly used for assisting quantitative work is arranged on the weighing mechanism (9).

3. The apparatus for preparing the bi-component viscoelastic polyurea of claim 2, wherein: detection element is including first pressure sensor (1421), top in weighing sleeve (9) is fixed to first pressure sensor (1421), the top is provided with the blind hole in weighing sleeve (9), it is provided with buoyancy casing (1422) to slide in the blind hole of weighing sleeve (9), the rigid coupling has second pressure sensor (1423) with buoyancy casing (1422) complex in the blind hole of weighing sleeve (9), first pressure sensor (1421) and second pressure sensor (1423) are connected with control terminal electricity respectively, it has the scale plate of the volume of adding glue of being convenient for operating personnel to observe to weigh sleeve (9) rigid coupling.

4. The apparatus according to claim 3, wherein the apparatus comprises: still including being used for the pre-mixed dispersion subassembly of viscoelastic polyurea, the dispersion subassembly sets up in mixing casing (11), and the dispersion subassembly is including top dish (1501), and top dish (1501) rotate to be connected in first pipe (10), and top dish (1501) circumference rigid coupling has water conservancy diversion piece (1502), and the gap is deposited between adjacent water conservancy diversion piece (1502), and water conservancy diversion piece (1502) rigid coupling has chassis (1503).

5. The apparatus according to claim 4, wherein: the inner side surface of the flow guide block (1502) is arranged to be an arc-shaped surface, and the base plate (1503) is arranged to be conical and used for guiding and discharging glue.

6. The apparatus according to claim 5, wherein: still including the clearance mechanism that is used for supplementary stirring glutinous bullet polyurea, clearance mechanism sets up in mixing drum (2), clearance mechanism is including fourth gear (1601), fourth gear (1601) rigid coupling is in the output shaft of servo motor (3), it is connected with first pivot (1602) to rotate cover (6) internal rotation, the one end rigid coupling of first pivot (1602) has fifth gear (1603), the other end and chassis (1503) rigid coupling of first pivot (1602), first pivot (1602) rigid coupling has mount (1604) that is located mixing drum (2), mount (1604) circumference rigid coupling has bar scraper blade (1605) that are used for supplementary stirring glutinous bullet polyurea, mount (1604) are provided with and are used for supplementary bar scraper blade (1605) to scrape the disturbance subassembly that removes glue.

7. The apparatus according to claim 6, wherein: the disturbance component comprises a second rotating shaft (1606), the second rotating shaft (1606) is rotatably connected to the fixing frame (1604), a gear ring is fixedly connected to the inner side face of the mixing drum (2), a sixth gear (1607) meshed with the gear ring is fixedly connected to the second rotating shaft (1606), and an arc-shaped scraper (1608) is fixedly connected to the circumferential direction of the second rotating shaft (1606).

8. The apparatus according to claim 7, wherein: one side of the strip-shaped scraper (1605) close to the second rotating shaft (1606) is provided with an arc concave surface for turning over the inner side glue of the mixing cylinder (2).

9. The process for preparing the apparatus for preparing the bi-component viscoelastic polyurea of claim 8, comprising the steps of:

step S1: an operator firstly adds glue A and glue B into adjacent weighing sleeves (9) through two conical funnels, a push disc (13) in the two weighing sleeves (9) moves downwards, the transmission ratio between a rotating wheel (1411) and a circular truncated cone sleeve (1405) is changed, so that the upward moving speed of the push disc (13) during resetting is changed, the discharging speed of the glue A is in direct proportion to the adding amount, and subsequent premixing is facilitated;

step S2: after the glue of the two components is added, the glue A in one weighing sleeve (9) is pushed out to enter between the flow guide blocks (1502) through the push disc (13), and the glue B in the other weighing sleeve (9) is pushed out to enter the mixing shell (11) through the push disc (13);

and step S3: the first rotating shaft (1602) rotates to enable the glue A in the cavity formed by the flow guide blocks (1502) to be centrifugally thrown out, and the glue A is thrown out from a gap between every two adjacent flow guide blocks (1502) and premixed with the glue B in the annular cavity;

and step S4: the glue after the premixing enters a mixing cylinder (2) to be mixed again, and a stirring blade (8) in the mixing cylinder (2) rotates to mix the glue A and the glue B;

step S5: when the preparation of the two-component glue is finished, the two-component glue is discharged from a discharge port below the mixing cylinder (2), and the arc-shaped scraper (1608) is used for discharging the residual mixed glue in the mixing cylinder (2).