CN113731270B - Feeding device for preparing high-crack-resistance maintenance material and using method - Google Patents

Abstract

The invention belongs to the field of infrastructure construction, and particularly relates to a feeding device for preparing a high-crack-resistance maintenance material and a use method thereof. The invention can ensure the distribution amount and the fineness of the ingredients before preparation and improve the preparation quality stability of the maintenance material.

Description

Feeding device for preparing high-crack-resistance maintenance material and using method

Technical Field

The invention belongs to the field of infrastructure construction, and particularly relates to a feeding device for preparing a high-crack-resistance maintenance material and a using method thereof.

Background

The rapid hardening micro-expansion high crack resistance maintenance material is designed based on the close packing principle, and the preparation method and the principle thereof are based on ultra-high performance concrete (UHPC) and ultra-early strength cement-based grouting material. Aiming at the density difference characteristics of superfine powder, coarse aggregate and fiber, the influence of different homogenization devices on the mixing homogenization effect of the product exists, and the feeding modes and the feeding sequences are different.

The existing feeding device cannot process original ingredients, and the stable and qualified maintenance material cannot be prepared obviously by uniformly mixing various ingredients only through the stirring device, so that large-particle impurities or other impurities exist in the mixture, the thickness degree of the ingredients is different, and in addition to fine control of the ingredients, the dispensing amount of the ingredients and the surrounding environment are qualified and safely controlled in the feeding process; the existing feeding device cannot integrally solve the defects, and the preparation quality of the final maintenance material is seriously affected, so that a feeding device for preparing the high-crack-resistance maintenance material and a using method are needed.

Disclosure of Invention

The invention aims to provide a feeding device for preparing a high-crack-resistance maintenance material and a using method thereof, so as to solve the problems.

In order to achieve the above object, the present invention provides the following solutions: the feeding device for preparing the high-crack-resistance maintenance material comprises a bracket assembly, wherein a plurality of groups of proportioning devices are connected to the bracket assembly, belt scales are correspondingly arranged below the plurality of groups of proportioning devices, stirring mechanisms are correspondingly arranged at the outlet ends of the belt scales, the belt scales are fixedly connected to the bracket assembly through fixed brackets, and the stirring mechanisms are positioned below the belt scales;

the batching device comprises a grinding mechanism connected to the center above the bracket assembly, a primary filtering mechanism is communicated with one side below the grinding mechanism, a tertiary filtering mechanism fixedly connected to the bracket assembly is communicated with the upper side of the primary filtering mechanism, the tertiary filtering mechanism is connected to one side of the grinding mechanism, a secondary filtering mechanism fixedly connected to the bracket assembly is correspondingly arranged at the lower outlet end of the tertiary filtering mechanism, a storage box fixedly connected to the bracket assembly is correspondingly arranged at the lower side of the secondary filtering mechanism, a discharging unit is communicated with the lower side of the storage box, the discharging unit is correspondingly arranged above the belt scale, and the outlet end of the belt scale is correspondingly arranged with the stirring mechanism;

the primary filtering mechanism is used for primarily filtering and drying ingredients; the three-stage filtering mechanism is used for filtering dust in the ingredients, the two-stage filtering mechanism filters the ingredients again, and the discharging unit is used for quantitatively distributing the ingredients to the belt scale.

Preferably, the grinding mechanism comprises a first servo motor fixedly connected to the center of the upper portion of the support assembly, a rotary die is connected to the lower portion of the first servo motor in a shaft mode, a fixed die is fixedly connected to the support assembly, the rotary die is located at the center of the fixed die, a grinding tooth assembly is arranged between the outer side of the rotary die and the inner side of the fixed die, the center of the outer side bottom of the rotary die is connected with the center of the inner side bottom of the fixed die in a rotating mode, a discharge hole is formed in one side of the bottom of the rotary die, and the discharge hole is communicated with the first-stage filtering mechanism.

Preferably, the grinding tooth assembly comprises a plurality of first bevel teeth fixedly connected to the upper portion of the outer side of the rotary die, a plurality of second bevel teeth are fixedly connected to the upper portion of the inner side of the fixed die, the first bevel teeth and the second bevel teeth are arranged at equal intervals, a plurality of straight teeth are fixedly connected to the lower portion of the outer side of the rotary die and the lower portion of the inner side of the fixed die respectively, the straight teeth are staggered in the vertical direction and arranged at equal intervals, and the discharge port is located below the straight teeth at the bottommost portion.

Preferably, the first-stage filtering mechanism comprises a third-stage heating fan fixedly connected with the bottom of the outer side of the fixed die, an air outlet of the third-stage heating fan is correspondingly provided with a vertical feeding main channel, one side of the feeding main channel, which is far away from the third-stage heating fan, is fixedly connected with a first-stage filter screen, one side of the feeding main channel, which is close to the third-stage heating fan, is connected with a first coarse-grain collecting box, the lower part of the first-stage filter screen is obliquely arranged to one side of the third-stage heating fan, the high end of the first-stage filter screen is fixedly connected with the bottom of the outer side of the fixed die, a material guiding plate is fixedly connected between the lower end of the first-stage filter screen and one side, which is close to the third-stage heating fan, of the feeding main channel, is obliquely arranged, the lower end of the material guiding plate is fixedly connected with the side wall of the feeding main channel, the high end of the material guiding plate is fixedly connected with the lower end of the first coarse-grain collecting box, and the material outlet is positioned between the third-stage heating fan and the first-stage filter screen.

Preferably, the secondary filtering mechanism comprises a filtering box which is obliquely and fixedly connected to the bracket assembly, the filtering box is positioned below the first coarse grain collecting box, a feeding hopper is arranged above one side, close to the feeding main channel, of the filtering box, the feeding hopper is positioned at the lowest end of the feeding main channel, the lowest end of the feeding main channel is inserted into the feeding hopper, a moving wheel used for cleaning is arranged on the side wall of the filtering box, a driving assembly is arranged between the moving wheel and the outer side wall of the filtering box, and a second coarse grain collecting box is communicated below the high end of the inner side bottom of the filtering box;

the movable wheel comprises a movable wheel body, a conical brush is fixedly connected to the outer side of the movable wheel body in the circumferential direction, a secondary conical filter screen is fixedly connected to the bottom of the filter tank, the secondary conical filter screen is matched with the conical brush, and the driving assembly drives the movable wheel through a rotating shaft of the movable wheel body.

Preferably, the driving assembly comprises a second servo motor fixedly connected to one side close to the high end of the filter box, a long smooth groove is formed in the outer side wall of the filter box, the second servo motor is located at one end of the long smooth groove, the moving wheel is located at the other end of the long smooth groove, a sliding block assembly is arranged between the long smooth groove and the rotating shaft, the outer side of the sliding block assembly is slidably connected to the inner side of the long smooth groove, the inner side of the sliding block assembly is rotatably connected with the rotating shaft, a third servo motor is fixedly connected to one end of the sliding block assembly away from the filter box, a rotating shaft of the third servo motor is in shaft connection with the rotating shaft, the second servo motor is in transmission connection with the sliding block assembly through a screw, and the screw is rotatably connected to the side wall of the filter box.

Preferably, the three-stage filtering mechanism comprises an air passage necking communicated above the feeding main channel, a fan is fixedly connected to the air inlet end of the inner side of the air passage necking, an inertial filtering unit is communicated above the air passage necking, and an aqueous solution filtering unit is communicated above the inertial filtering unit;

the diameter of the air inlet end of the air passage necking is larger than that of the air outlet end.

Preferably, the inertial filter unit comprises an inertial filter shell fixedly connected above the air passage necking, a first annular baffle plate is fixedly connected to the bottom of a first inner cavity of the inertial filter shell, the center of the first annular baffle plate is communicated with the air passage necking, a plurality of third conical baffle plates are fixedly connected to the upper portion of the first inner cavity in the vertical direction, a plurality of second reverse conical baffle plates are fixedly connected to the inner side wall of the first inner cavity in the vertical direction, the third conical baffle plates are located between the adjacent second reverse conical baffle plates, and the top of the first inner cavity is communicated with the aqueous solution filter unit.

Preferably, the aqueous solution filtering unit comprises an aqueous solution filtering shell fixedly connected above the inertial filter shell, a pressure channel is fixedly connected to the bottom of a second inner cavity of the aqueous solution filtering shell, the pressure channel is in an inverted U shape, two air inlets at the bottom end of the pressure channel are communicated with the top of the first inner cavity, a transition cavity is formed between the two air inlets, the transition cavity is communicated with the lower part of the top channel of the pressure channel, a fixed shaft is fixedly connected to the side wall of the transition cavity in the vertical direction, a floating sealing block is slidingly connected to the middle part of the fixed shaft, a blade is rotationally connected to the bottom end of the fixed shaft, and the bottom of the transition cavity is communicated with the second inner cavity;

the side wall of the upper part of the transition cavity is in a conical structure.

The application method of the feeding device for preparing the high-crack-resistance maintenance material comprises the following steps:

step one: preparing ingredients;

step two: grinding the ingredients by the grinding mechanism;

step three: acquiring ground ingredients, and drying the ground ingredients through the primary filtering mechanism;

step four: filtering dust in the grinding process through the secondary filtering mechanism, and filtering the dried ingredients again through the tertiary filtering mechanism;

step five: the ingredients are dosed by a discharge unit.

The invention has the following technical effects: the main function of the batching device is to mix the batching to the extent that the batching can be used before preparing the high anti-cracking maintenance material, improve the preparation precision and quality stability of the high anti-cracking maintenance material, accurately grasp the adding amount of the batching through a belt scale, avoid the reduction of the effect of the final high anti-cracking maintenance material caused by the deviation of the batching amount, or the deviation engineering requirement, and add all proper amounts of batching into a stirring mechanism to prepare the high anti-cracking maintenance material.

The main function of the grinding mechanism is to make the ingredients reach a uniform state, so that the problem of poor mixing effect caused by uneven size of the particles of the ingredients when the ingredients are mixed is effectively avoided; the primary filtering mechanism can effectively dry and primarily filter ingredients, so that the wet ingredients are prevented from forming blocks before being mixed, and the stirring and mixing effects are prevented from being influenced; dust generated in the grinding process is collected and filtered through a three-stage filtering mechanism, so that the influence on the air quality and safety of the surrounding environment is avoided; the dried ingredients are filtered again through the secondary filtering mechanism, and then the discharging unit is used for accurately controlling the amount of the ingredients to be mixed, so that the efficient and stable feeding process is finally realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view in cross section of the present invention;

FIG. 2 is a front view of a secondary filter mechanism;

FIG. 3 is a right side cross-sectional view of the mobile wheel;

FIG. 4 is a front view in cross section of the secondary filter mechanism;

FIG. 5 is an enlarged view of a portion of FIG. 1A;

wherein, 1, a bracket assembly; 2. a first servo motor; 3. rotating the mold; 4. a first bevel gear; 5. a second bevel gear; 6. straight teeth; 7. fixing a die; 8. a three-stage heating fan; 9. a first coarse particle collection box; 10. a filter box; 11. a long round chute; 12. a second coarse particle collection box; 13. a storage bin; 14. an auxiliary discharging pipe; 15. a first electromagnetic valve; 16. a belt scale; 17. a stirring mechanism; 18. a fixed bracket; 19. a second electromagnetic valve; 20. a main discharge pipe; 21. a moving wheel; 2101. a moving wheel body; 2102. a conical brush; 22. a rotating shaft; 23. a feed hopper; 24. a main feed channel; 25. a material guide plate; 26. a first-stage filter screen; 27. a fan; 28. airway constriction; 29. an inertial filter housing; 30. an aqueous solution filtration housing; 31. a condenser; 32. a second servo motor; 33. a first pulley; 34. a second pulley; 35. a screw rod; 36. a slide bar; 37. a slider assembly; 38. a third servo motor; 39. a fixed block; 40. a secondary conical filter screen; 41. a first annular striker plate; 42. the second inverted cone-shaped baffle plate; 43. a third conical baffle plate; 44. a bubble chamber; 45. a blade; 46. a floating seal block; 47. a fixed shaft; 48. a transition chamber; 49. a pressure channel.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-5, the invention provides a feeding device for preparing high-crack-resistance maintenance materials, which comprises a bracket assembly 1, wherein a plurality of groups of proportioning devices are connected to the bracket assembly 1, belt scales 16 are correspondingly arranged below the plurality of groups of proportioning devices, stirring mechanisms 17 are correspondingly arranged at the outlet ends of the belt scales 16, the belt scales 16 are fixedly connected to the bracket assembly 1 through fixing brackets 18, and the stirring mechanisms 17 are positioned below the belt scales 16;

the batching device comprises a grinding mechanism connected to the center above the bracket assembly 1, a primary filtering mechanism is communicated with one side below the grinding mechanism, a tertiary filtering mechanism fixedly connected to the bracket assembly 1 is communicated with the upper side of the primary filtering mechanism, the tertiary filtering mechanism is connected to one side of the grinding mechanism, a secondary filtering mechanism fixedly connected to the bracket assembly 1 is correspondingly arranged at the outlet end below the tertiary filtering mechanism, a storage box 13 fixedly connected to the bracket assembly 1 is correspondingly arranged below the secondary filtering mechanism, a discharging unit is communicated with the lower side of the storage box 13, the discharging unit is correspondingly arranged above the belt scale 16, and the outlet end of the belt scale 16 is correspondingly arranged with the stirring mechanism 17;

the first-stage filtering mechanism is used for primarily filtering and drying ingredients; the three-stage filter mechanism is used for filtering dust in the ingredients, the two-stage filter mechanism filters the ingredients again, and the discharging unit is used for quantitatively distributing the ingredients to the belt balance 16.

The main function of the batching device is to mix the batching to the extent that the batching can be used before preparing the high anti-cracking maintenance material, improve the preparation precision and quality stability of the high anti-cracking maintenance material, accurately grasp the adding amount of the batching through the belt scale 16, avoid the reduction of the final high anti-cracking maintenance material effect caused by the deviation of the batching amount, or the deviation engineering requirement, and add all proper amounts of batching into the stirring mechanism 17 to prepare the high anti-cracking maintenance material.

The main function of the grinding mechanism is to make the ingredients reach a uniform state, so that the problem of poor mixing effect caused by uneven size of the particles of the ingredients when the ingredients are mixed is effectively avoided; the primary filtering mechanism can effectively dry and primarily filter ingredients, so that the wet ingredients are prevented from forming blocks before being mixed, and the stirring and mixing effects are prevented from being influenced; dust generated in the grinding process is collected and filtered through a three-stage filtering mechanism, so that the influence on the air quality and safety of the surrounding environment is avoided; the dried ingredients are filtered again through the secondary filtering mechanism, and then the discharging unit is used for accurately controlling the amount of the ingredients to be mixed, so that the efficient and stable feeding process is finally realized.

Further optimizing scheme, grinding mechanism includes fixed connection at the first servo motor 2 of the upper portion center of support assembly 1, the below coupling of first servo motor 2 has rotary die 3, fixed die 7 of fixedly connected with on the support assembly 1, rotary die 3 is located the center of fixed die 7, be provided with between the outside of rotary die 3 and the inboard of fixed die 7 and grind the tooth subassembly, rotary die 3 outside bottom center rotates with the inboard bottom center of fixed die 7 to be connected, offer the discharge gate between rotary die 3 and the bottom one side of fixed die 7, the discharge gate communicates with one-level filtering mechanism. The ingredients are ground by the grinding tooth assembly to achieve the desired particle size.

Further optimizing scheme, grind tooth subassembly and include a plurality of fixed connection at rotary die 3 outside upper portion's first awl tooth 4, fixed die 7 inboard upper portion fixedly connected with a plurality of second awl teeth 5, equidistant setting between adjacent first awl tooth 4 and the second awl tooth 5, rotary die 3's outside lower part and fixed die 7 inboard lower part respectively fixedly connected with a plurality of straight teeth 6, a plurality of straight teeth 6 vertical direction staggered arrangement just equidistant setting, the discharge gate is located the below of the straight tooth 6 of bottommost. The first conical teeth 4 and the second conical teeth 5 are mainly used for preparing large-particle ingredients, so that the large particles are primarily crushed, and the ingredients are further ground through straight teeth 6 which are arranged in an up-down staggered mode, so that the ingredients reach stable particle sizes meeting the requirements; the large particles are primarily crushed through the bevel gear and then through the straight teeth, and then relatively fine grinding is carried out, so that a better grinding effect can be achieved.

Further optimizing scheme, the one-level filtering mechanism includes three-level heating fan 8 of fixed die 7 outside bottom, three-level heating fan 8's air outlet corresponds the feeding main channel 24 of vertical setting, one side fixed connection that three-level heating fan 8 was kept away from to feeding main channel 24 is on support assembly 1, one side that feeding main channel 24 is close to three-level heating fan 8 is connected with one-level filter screen 26, one side slope setting of one-level filter screen 26 is to three-level heating fan 8's lower part, one-level filter screen 26's high-end fixed connection is in fixed die 7's outside bottom, be close to one-level filter screen 26's low side and feeding main channel 24 and be close to one-level heating fan 8's one side between fixedly connected with stock guide 25, stock guide 25 slope sets up, stock guide 25's low-end fixed connection is on the lateral wall of feeding main channel 24, stock guide 25's high-end fixed connection is being close to one-level filter screen 26's low-end, one-level filter screen 26's the extreme fixedly connected with first coarse grain collection box 9, the discharge gate is located between three-level heating fan 8 and the one-level filter screen 26.

After the ground ingredients fall from a discharge hole, the ingredients firstly pass through a three-stage heating fan 8, the three-stage heating fan 8 has three wind speeds which are sequentially increased from top to bottom, and the main functions of the three-stage heating fan are to perform graded filtration on the ingredients, namely, the ingredients are blown to a first-stage filter screen 26 through small wind, then the secondary fine ingredients are blown to the first-stage filter screen 26, and finally, the larger ingredients are blown to the first-stage filter screen 26, so that the situation that the first-stage filter screen 26 is blocked due to excessive filtration of the disposable ingredients can be effectively avoided, and the filtering effect is influenced; the ingredients which cannot pass through the primary filter screen 26 are gathered into the first coarse grain collecting box 9 along the primary filter screen 26, and the ingredients are uniformly sent to the grinding mechanism; the water in the ingredients is heated and evaporated by the heat in the wind while the ingredients are filtered, and the better dehydration effect can be achieved by heating while the ingredients are filtered.

In a further optimized scheme, the secondary filtering mechanism comprises a filtering box 10 which is obliquely and fixedly connected to the bracket assembly 1, the filtering box 10 is positioned below the first coarse grain collecting box 9, a feeding hopper 23 is arranged above one side, close to the feeding main channel 24, of the filtering box 10, the feeding hopper 23 is positioned at the lowest end of the feeding main channel 24, the lowest end of the feeding main channel 24 is inserted into the feeding hopper 23, a moving wheel 21 for cleaning is arranged on the side wall of the filtering box 10, a driving assembly is arranged between the moving wheel 21 and the outer side wall of the filtering box 10, and a second coarse grain collecting box 12 is communicated below the high end of the inner side bottom of the filtering box 10;

the movable wheel 21 comprises a movable wheel body 2101, a conical brush 2102 is fixedly connected to the outer side of the movable wheel body 2101 in the circumferential direction, a secondary conical filter screen 40 is fixedly connected to the bottom of the filter box 10, the secondary conical filter screen 40 is matched with the conical brush 2102, and a driving assembly drives the movable wheel 21 through a rotating shaft 22 of the movable wheel body 2101. The moving wheel 21 is moved to enable the conical brush 2102 to be in continuous contact with the secondary conical filter screen 40, so that the ingredients which are on the secondary conical filter screen 40 and meet the requirements are filtered from the filter holes, the ingredients which do not meet the requirements are cleaned into the second coarse grain collecting box 12, and grinding and filtering are carried out again after the ingredients are collected to a certain amount; the inclined filter box 10 enables the ingredients to be filtered out from the lower end of the secondary conical filter screen 40 through the filter holes when the ingredients are driven by the movable wheel 21, and the ingredients which are not required are uniformly collected into the second coarse grain collecting box 12 under the action of the conical brush 2102.

Further optimizing scheme, the drive assembly includes fixed connection is in the second servo motor 32 that is close to filter tank 10 high end one side, long smooth groove 11 has been seted up on the lateral wall of filter tank 10, second servo motor 32 is located the one end that has long smooth groove 11, it is located the other end of long smooth groove 11 to remove round 21, be provided with slider assembly 37 between long smooth groove 11 and the pivot 22, slider assembly 37's outside sliding connection is in long smooth groove 11 inboard, slider assembly 37's inboard and pivot 22 rotate to be connected, the one end fixedly connected with third servo motor 38 of filter tank 10 is kept away from to slider assembly 37, the rotation axis and the pivot 22 coupling of third servo motor 38, second servo motor 32 passes through lead screw 35 and slider assembly 37 transmission connection, lead screw 35 rotates to be connected on filter tank 10's lateral wall. The second servo motor 32 can make the moving wheel 21 move linearly in the long smooth groove 11, and the third servo motor 38 can make the moving wheel 21 rotate while moving linearly; when the ingredients are less, the movable wheel 21 can complete the filtration only by linear movement, and when the ingredients are more, the third servo motor 38 is started, so that the efficient filtration effect of the movable wheel 21 is realized.

Further optimizing scheme, the filter box 10 is close to one side fixedly connected with two fixed blocks 39 of second servo motor 32, and two fixed blocks 39 are located the both ends of long circular spout 11 respectively and are located the one side of the output of second servo motor 32 respectively, and the both ends of lead screw 35 are connected with the rotation of two fixed blocks 39 respectively, and the one end that lead screw 35 is close to second servo motor 32 passes fixed block 39, and key connection has second belt pulley 34, and the output shaft of second servo motor 32 has connected first belt pulley 33, and first belt pulley 33 passes through belt drive with second belt pulley 34 and is connected.

Further optimizing scheme, the three-stage filtering mechanism comprises an air passage necking 28 communicated above the feeding main channel 24, wherein a fan 27 is fixedly connected to the inner air inlet end of the air passage necking 28, an inertial filtering unit is communicated above the air passage necking 28, and an aqueous solution filtering unit is communicated above the inertial filtering unit;

the diameter of the inlet end of the airway constriction 28 is greater than the diameter of the outlet end. The fan 27 mainly evaporates the moisture in the ingredients and pumps the water vapor to the inertial filter unit; the inertial filtering unit is mainly used for filtering dust, and the dust is blocked in multiple stages by utilizing inertia far away, so that the dust amount in the air is reduced; then the rest dust enters an aqueous solution filtering unit; the diameter of the air inlet end of the air passage constriction 28 is larger than the diameter of the air outlet end, which can increase the wind speed entering the inertial filtration unit and facilitate the inertial filtration process.

Further optimizing scheme, the inertia filter unit includes inertial filter casing 29 of fixed connection above air flue throat 28, the first inner chamber bottom fixedly connected with first annular striker plate 41 of inertial filter casing 29, the center and the air flue throat 28 intercommunication of first annular striker plate 41, first inner chamber upper portion vertical direction fixedly connected with a plurality of third cone striker plates 43, the inside wall vertical direction fixedly connected with of first inner chamber a plurality of second back taper striker plates 42, third cone striker plate 43 is located between the adjacent second back taper striker plates 42, the top and the aqueous solution filter unit intercommunication of first inner chamber. Dust entering the inertial filter unit is first blocked by the third conical striker plate 43, then bypasses the third conical striker plate 43 and is blocked again by the second reverse conical striker plate 42; after being blocked a plurality of times, part of the dust is blocked in the inertial filter housing 29 by the inertia, and the part of the dust is collected between the first annular striker plate 41 and the inertial filter housing 29, and the remaining dust enters the aqueous solution filtering unit with the air.

In a further optimized scheme, the aqueous solution filtering unit comprises an aqueous solution filtering shell 30 fixedly connected above an inertial filter shell 29, a pressure channel 49 is fixedly connected to the bottom of a second inner cavity of the aqueous solution filtering shell 30, the pressure channel 49 is in an inverted U shape, two air inlets at the bottom end of the pressure channel 49 are communicated with the top of the first inner cavity, a transition cavity 48 is arranged between the two air inlets, the transition cavity 48 is communicated with the lower part of the top channel of the pressure channel 49, a fixed shaft 47 is fixedly connected to the side wall of the transition cavity 48 in the vertical direction, a floating sealing block 46 is slidingly connected to the middle part of the fixed shaft 47, a blade 45 is rotatably connected to the bottom end of the fixed shaft 47, and the bottom of the transition cavity 48 is communicated with the second inner cavity;

the upper side wall of the transition chamber 48 is tapered. The water solution filtering shell 30 is filled with purified water, air with dust enters the pressure channel 49 and then enters the transition cavity 48, the floating sealing block 46 is pushed to move downwards under the action of air pressure, the dust enters the purified water from the edge of the floating sealing block 46, the blades 45 are driven under the impact of the air, and the air bubbles are scattered while the blades 45 rotate, so that the contact area between the dust air and the purified water is increased, the dust is dissolved in the purified water, and more dust is filtered by the purified water.

Further optimizing scheme, the material discharging unit is including the main material discharging pipe 20 that communicates in storage case 13 bottom, and the exit end of main material discharging pipe 20 is connected with second solenoid valve 19, and the lateral wall intercommunication of main material discharging pipe 20 has vice material discharging pipe 14, and the exit end of vice material discharging pipe 14 is connected with first solenoid valve 15, and the internal diameter of main material discharging pipe 20 is greater than the internal diameter of vice material discharging pipe 14. Through the second solenoid valve 19, each ingredient is sequentially dropped onto the belt balance 16, and when a certain ingredient approaches the required weight, the second solenoid valve 19 is closed, and the first solenoid valve 15 is opened, so that the ingredient amount is rapidly and accurately completed.

Further optimizing scheme, the condenser 31 is communicated with the upper part of the aqueous solution filtering shell 30. The condenser 31 adopts the existing structure, and is not described herein; the condenser 31 is used for pre-condensing the preheated water vapor into water drops and refluxing the water drops into the water solution filtering shell 30, so that the humidity of the surrounding environment is prevented from being influenced.

Further optimizing scheme, first solenoid valve 15, belt weigher 16 and second solenoid valve 19 electric connection have PLC controller (not shown in the figure), and the quantity of throwing of batching is accurately controlled to the PLC controller, specifically will throw the quantity signal to the PLC controller to the batching that passes through belt weigher 16 transmission, and the PLC controller passes the conversion signal to first solenoid valve 15 and second solenoid valve 19 to this realizes the purpose of accurate quantity of throwing.

The belt scale 16 can weigh and convey one ingredient, and can weigh and convey multiple ingredients in sequence, so that different feeding and loading modes are provided.

The application method of the feeding device for preparing the high-crack-resistance maintenance material comprises the following steps:

step one: preparing ingredients;

step two: grinding the ingredients by a grinding mechanism; grinding the ingredients through a grinding tooth assembly to achieve the required particle size; the first conical teeth 4 and the second conical teeth 5 are mainly used for preparing large-particle ingredients, so that the large particles are primarily crushed, and the ingredients are further ground through straight teeth 6 which are arranged in an up-down staggered mode, so that the ingredients reach stable particle sizes meeting the requirements; the large particles are primarily crushed through the bevel gear and then through the straight teeth, and then relatively fine grinding is carried out, so that a better grinding effect can be achieved.

Step three: acquiring ground ingredients, and drying the ground ingredients through a primary filtering mechanism; after the ground ingredients fall from a discharge hole, the ingredients firstly pass through a three-stage heating fan 8, the three-stage heating fan 8 has three wind speeds which are sequentially increased from top to bottom, and the main functions of the three-stage heating fan are to perform graded filtration on the ingredients, namely, the ingredients are blown to a first-stage filter screen 26 through small wind, then the secondary fine ingredients are blown to the first-stage filter screen 26, and finally, the larger ingredients are blown to the first-stage filter screen 26, so that the situation that the first-stage filter screen 26 is blocked due to excessive filtration of the disposable ingredients can be effectively avoided, and the filtering effect is influenced; ingredients which cannot pass through the primary filter screen 26 are gathered into the first coarse grain collecting box 9 along the primary filter screen 26; the water in the ingredients is heated and evaporated by the heat in the wind while the ingredients are filtered, and the better dehydration effect can be achieved by heating while the ingredients are filtered.

Step four: filtering dust in the grinding process through a secondary filtering mechanism, and filtering the dried ingredients through a tertiary filtering mechanism again; the moving wheel 21 is moved to enable the conical brush 2102 to be in continuous contact with the secondary conical filter screen 40, so that the ingredients which are on the secondary conical filter screen 40 and meet the requirements are filtered from the filter holes, the ingredients which do not meet the requirements are swept into the second coarse grain collecting box 12, and grinding and filtering are carried out again after the ingredients are collected to a certain amount; the inclined filter box 10 ensures that when the ingredients are driven by the movable wheel 21, the ingredients meeting the requirements firstly pass through the filter holes, and the ingredients not meeting the requirements are filtered out from the lower end of the secondary conical filter screen 40, and are uniformly collected into the second coarse grain collection box 12 under the action of the conical brush 2102; the fan 27 mainly evaporates the moisture in the ingredients and pumps the water vapor to the inertial filter unit; the inertial filtering unit is mainly used for filtering dust, and the dust is blocked in multiple stages by utilizing inertia far away, so that the dust amount in the air is reduced; then the rest dust enters an aqueous solution filtering unit; the diameter of the air inlet end of the air passage constriction 28 is larger than the diameter of the air outlet end, which can increase the wind speed entering the inertial filtration unit and facilitate the inertial filtration process.

Step five: the ingredients are dosed by a discharge unit. Through the second solenoid valve 19, each ingredient is sequentially dropped onto the belt balance 16, and when a certain ingredient approaches the required weight, the second solenoid valve 19 is closed, and the first solenoid valve 15 is opened, so that the ingredient amount is rapidly and accurately completed. After the ingredients are finished, all the ingredients are sent into a stirring mechanism 17 through a belt scale 16, and are uniformly mixed in the stirring mechanism 17.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (5)

1. The utility model provides a preparation of high material loading attachment for maintenance material that anticrack which characterized in that: the belt conveyer comprises a support assembly (1), wherein a plurality of groups of batching devices are connected to the support assembly (1), belt scales (16) are correspondingly arranged below the plurality of groups of batching devices, stirring mechanisms (17) are correspondingly arranged at the outlet ends of the belt scales (16), the belt scales (16) are fixedly connected to the support assembly (1) through fixing supports (18), and the stirring mechanisms (17) are located below the belt scales (16);

the batching device comprises a grinding mechanism connected to the center above the bracket assembly (1), one side below the grinding mechanism is communicated with a primary filtering mechanism, the upper side of the primary filtering mechanism is communicated with a tertiary filtering mechanism fixedly connected to the bracket assembly (1), the tertiary filtering mechanism is connected to one side of the grinding mechanism, a secondary filtering mechanism fixedly connected to the bracket assembly (1) is correspondingly arranged at the lower outlet end of the tertiary filtering mechanism, a storage box (13) fixedly connected to the bracket assembly (1) is correspondingly arranged at the lower side of the secondary filtering mechanism, a discharging unit is communicated with the lower side of the storage box (13), the discharging unit is correspondingly arranged above the belt scale (16), and the outlet end of the belt scale (16) is correspondingly arranged with the stirring mechanism (17);

the primary filtering mechanism is used for primarily filtering and drying ingredients; the three-stage filtering mechanism is used for filtering dust in the ingredients, the two-stage filtering mechanism filters the ingredients again, and the discharging unit is used for quantitatively distributing the ingredients to the belt balance (16);

the grinding mechanism comprises a first servo motor (2) fixedly connected to the center of the upper part of the support assembly (1), a rotary die (3) is connected to the lower part of the first servo motor (2) in a shaft mode, a fixed die (7) is fixedly connected to the support assembly (1), the rotary die (3) is located at the center of the fixed die (7), a grinding tooth assembly is arranged between the outer side of the rotary die (3) and the inner side of the fixed die (7), the center of the bottom of the outer side of the rotary die (3) is connected with the center of the bottom of the inner side of the fixed die (7) in a rotating mode, a discharge hole is formed between the rotary die (3) and one side of the bottom of the fixed die (7), and the discharge hole is communicated with the primary filtering mechanism;

the grinding tooth assembly comprises a plurality of first conical teeth (4) fixedly connected to the upper part of the outer side of the rotary die (3), a plurality of second conical teeth (5) are fixedly connected to the upper part of the inner side of the fixed die (7), the adjacent first conical teeth (4) and the second conical teeth (5) are arranged at equal intervals, a plurality of straight teeth (6) are fixedly connected to the lower part of the outer side of the rotary die (3) and the lower part of the inner side of the fixed die (7), a plurality of straight teeth (6) are arranged in a staggered mode in the vertical direction at equal intervals, and the discharge port is positioned below the straight teeth (6) at the bottommost part;

the three-stage filtering mechanism comprises an air passage necking (28) communicated with the upper part of the primary filtering mechanism, a fan (27) is connected to the air inlet end of the inner side of the air passage necking (28), an inertial filtering unit is communicated with the upper part of the air passage necking (28), and an aqueous solution filtering unit is communicated with the upper part of the inertial filtering unit;

the diameter of the air inlet end of the air passage necking (28) is larger than that of the air outlet end;

the inertial filter unit comprises an inertial filter shell (29) fixedly connected above an air passage shrinkage opening (28), a first annular baffle plate (41) is fixedly connected to the bottom of a first inner cavity of the inertial filter shell (29), the center of the first annular baffle plate (41) is communicated with the air passage shrinkage opening (28), a plurality of third conical baffle plates (43) are fixedly connected to the upper part of the first inner cavity in the vertical direction, a plurality of second reverse conical baffle plates (42) are fixedly connected to the inner side wall of the first inner cavity in the vertical direction, the third conical baffle plates (43) are positioned between the adjacent second reverse conical baffle plates (42), and the top of the first inner cavity is communicated with the aqueous solution filter unit;

the water solution filtering unit comprises a water solution filtering shell (30) fixedly connected above an inertia filter shell (29), a pressure channel (49) is fixedly connected to the bottom of a second inner cavity of the water solution filtering shell (30), the pressure channel (49) is of an inverted U shape, two air inlets at the bottom end of the pressure channel (49) are communicated with the top of the first inner cavity, a transition cavity (48) is formed between the two air inlets, the transition cavity (48) is communicated with the lower part of the top channel of the pressure channel (49), a fixed shaft (47) is fixedly connected to the side wall of the transition cavity (48) in the vertical direction, a floating sealing block (46) is slidably connected to the middle part of the fixed shaft (47), a blade (45) is rotatably connected to the bottom end of the fixed shaft (47), and the bottom of the transition cavity (48) is communicated with the second inner cavity.

The upper side wall of the transition cavity (48) is in a conical structure.

2. The feeding device for preparing a high crack resistant curing material according to claim 1, wherein: the primary filtering mechanism comprises a tertiary heating air fan (8) fixedly connected to the outer side bottom of a fixed die (7), an air outlet of the tertiary heating air fan (8) is correspondingly provided with a vertically arranged feeding main channel (24), one side, far away from the tertiary heating air fan (8), of the feeding main channel (24) is fixedly connected to the bracket assembly (1), one side, close to the tertiary heating air fan (8), of the feeding main channel (24) is connected with a primary filter screen (26), the lower part of the primary filter screen (26) is obliquely arranged to one side of the tertiary heating air fan (8), the high end of the primary filter screen (26) is fixedly connected to the outer side bottom of the fixed die (7), a guide plate (25) is fixedly connected between the lower end, close to the primary filter screen (26), of one side, close to the tertiary heating air fan (8), of the feeding main channel (24) is obliquely arranged, the lower end of the guide plate (25) is fixedly connected to the side wall of the feeding main channel (24), the side wall of the guide plate (25) is fixedly connected to the lower end, close to the first filter screen (26), the lower end of the coarse particle filter screen (26) is fixedly connected to the first end (9), the discharge hole is positioned between the three-stage heating fan (8) and the first-stage filter screen (26).

3. The feeding device for preparing a high crack resistant curing material according to claim 2, wherein: the secondary filtering mechanism comprises a filtering box (10) which is obliquely and fixedly connected to the bracket assembly (1), the filtering box (10) is positioned below the first coarse grain collecting box (9), a feeding hopper (23) is arranged above one side, close to the feeding main channel (24), of the filtering box (10), the feeding hopper (23) is positioned at the lowest end of the feeding main channel (24), the lowest end of the feeding main channel (24) is inserted into the feeding hopper (23), a movable wheel (21) for cleaning is arranged on the side wall of the filtering box (10), a driving assembly is arranged between the movable wheel (21) and the outer side wall of the filtering box (10), and a second coarse grain collecting box (12) is communicated below the high end of the inner side bottom of the filtering box (10).

The movable wheel (21) comprises a movable wheel body (2101), a conical brush (2102) is fixedly connected to the outer side of the movable wheel body (2101) in the circumferential direction, a secondary conical filter screen (40) is fixedly connected to the bottom of the filter box (10), the secondary conical filter screen (40) is matched with the conical brush (2102), and the driving assembly drives the movable wheel (21) through a rotating shaft (22) of the movable wheel body (2101).

4. A feeding device for preparing a high crack resistant curing material according to claim 3, wherein: the driving assembly comprises a second servo motor (32) fixedly connected to one side close to the high end of the filter box (10), a long smooth groove (11) is formed in the outer side wall of the filter box (10), the second servo motor (32) is located at one end of the long smooth groove (11), the moving wheel (21) is located at the other end of the long smooth groove (11), a sliding block assembly (37) is arranged between the long smooth groove (11) and the rotating shaft (22), the outer side of the sliding block assembly (37) is slidably connected to the inner side of the long smooth groove (11), the inner side of the sliding block assembly (37) is rotatably connected with the rotating shaft (22), the sliding block assembly (37) is far away from one end of the filter box (10) and is fixedly connected with a third servo motor (38), the rotating shaft of the third servo motor (38) is in shaft connection with the rotating shaft (22), the second servo motor (32) is in transmission connection with the sliding block assembly (37), and the sliding block assembly (37) is rotatably connected with the threaded rod (35) on the side wall of the filter box (10).

5. The application method of the feeding device for preparing the high-crack-resistance maintenance material is applied to the feeding device for preparing the high-crack-resistance maintenance material according to any one of claims 1 to 4, and is characterized in that: the method comprises the following steps:

step one: preparing ingredients;

step two: grinding the ingredients by the grinding mechanism;

step three: acquiring ground ingredients, and drying the ground ingredients through the primary filtering mechanism;

step four: filtering dust in the grinding process through the secondary filtering mechanism, and filtering the dried ingredients again through the tertiary filtering mechanism;

step five: the ingredients are dosed by a discharge unit.

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