CN113085015A - Preparation method of heat-preservation anti-cracking lightweight concrete - Google Patents
Preparation method of heat-preservation anti-cracking lightweight concrete Download PDFInfo
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- CN113085015A CN113085015A CN202110373802.7A CN202110373802A CN113085015A CN 113085015 A CN113085015 A CN 113085015A CN 202110373802 A CN202110373802 A CN 202110373802A CN 113085015 A CN113085015 A CN 113085015A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
- B28C5/402—Methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
- B28C5/404—Pre-treatment of fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention relates to a preparation method of heat-preservation anti-cracking light concrete, which uses a fiber adding device, wherein the fiber adding device comprises a shell, a cutting device and a mixing device, the cutting device and the mixing device are sequentially arranged in the shell from top to bottom, and the specific method flow when the heat-preservation anti-cracking light concrete is prepared by adopting the fiber adding device is as follows: equipment inspection, material loading, fibre are decided, thick liquids preparation and ejection of compact, decide the device including putting line roller, actuating mechanism, backing plate, movable plate, decide blade, squeeze bar, extrusion cam, rotary rod, rotating electrical machines and keeping off the work or material rest. According to the invention, the cutting device and the mixing device are arranged in the shell from top to bottom, so that the time spent on transferring materials is saved, and the situation that short fibers and concrete slurry cannot be uniformly mixed due to overlarge treatment amount of the mixing device can be avoided by adopting a small-amount and repeated manner during blanking.
Description
Technical Field
The invention relates to the field of concrete, in particular to a preparation method of heat-insulating anti-cracking lightweight concrete.
Background
The anti-crack fiber is prepared by adopting 100 percent of polypropylene as a raw material through unique processes and equipment and through the procedures of melting, extruding, drawing, cutting and the like, is specially added into concrete to play a role in resisting cracks and permeability, is lighter in material, and can reduce the integral density of the concrete and play a role in heat preservation and crack resistance on the premise of not reducing the strength of the concrete.
Before the anti-crack fiber and the concrete mortar are mixed, the anti-crack fiber needs to be cut into short fiber yarns with certain length, and in the cutting and mixing processes, some problems exist:
because at present decide with mix two steps and mostly accomplish by different mechanical equipment, consequently need will decide the short-staple that makes and transport to the mixing apparatus in, in order to save transit time, can once only drop into a large amount of short-staple in to the mixing apparatus usually, lead to the handling capacity of mixing apparatus short time too big, the inhomogeneous condition of mixing appears easily.
In addition, in the process of mixing the short fibers and the concrete slurry by the mixing equipment, the short fibers are easily distributed in an area near the right lower part of the feeding port in a concentrated manner, the possibility of uneven distribution of the mixed short fibers is further increased, and the consistency of the performance of the concrete slurry product at each position cannot be guaranteed.
In order to solve the problems, the invention provides a preparation method of heat-insulating anti-cracking lightweight concrete.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a preparation method of heat-insulating anti-cracking lightweight concrete uses fiber adding equipment which comprises a shell, a cutting device and a mixing device, wherein the cutting device and the mixing device are sequentially installed in the shell from top to bottom; the specific method flow for preparing the heat-preservation anti-cracking light concrete by adopting the fiber adding equipment is as follows:
s1, equipment inspection: before the work begins, each part of the equipment is checked, and the equipment can normally operate in the following work process;
s2, feeding: the prepared concrete slurry is fed into a mixing device 3 through a slurry inlet, and a fiber yarn roll to be used is fixed on a cutting device 2;
s3, fiber cutting: the fiber yarns are cut into short fibers with uniform length by the cutting device 2 for later use;
s4, preparing slurry: after the short fibers fall into the mixing device 3, uniformly mixing the short fibers and the concrete slurry by the mixing device 3 to prepare heat-preservation anti-cracking light concrete slurry;
s5, discharging: opening a grout outlet to send out the prepared heat-insulating anti-cracking lightweight concrete grout;
the cutting device comprises a wire placing roller, a driving mechanism, a base plate, a movable plate, cutting blades, an extrusion rod, an extrusion cam, a rotary rod, a rotary motor and a material blocking frame, wherein wire inlets are formed in the front, back, left and right directions of the top end of a shell, the wire placing roller is arranged above the wire inlets, the wire placing roller is connected through the driving mechanism, the base plate is arranged below the wire inlets, the base plate is arranged on the inner wall of the shell, the movable plate is arranged on the inner wall of the shell in a sliding manner, the cutting blades are uniformly arranged on one side, close to the base plate, of the movable plate from top to bottom, the other side of the movable plate is connected with one end of the extrusion rod, the other end of the extrusion rod is tightly attached to the side wall of the extrusion cam sleeved on the rotary rod, the rotary rod is rotatably arranged at the top end of, the material blocking frame is arranged on the inner wall of the shell; drive through actuating mechanism and put the line roller and rotate to constantly send into the casing with the cellosilk from the inlet wire inside, the rotating electrical machines drives the extrusion cam on the rotary rod and rotates simultaneously, extrusion cam alright drive the extrusion stem and carry out the reciprocal linear motion on the horizontal direction, make decide the blade and can cut the cellosilk into the short-staple of certain length, the short-staple falls on keeping off the work or material rest after, can be by a small amount of in a lot of sending to the compounding device.
The mixing device comprises a telescopic rotating rod, a driving gear, driven gears, auxiliary rotating rods, stirring rods, a stirring sleeve and a material distributing frame, wherein the telescopic rotating rod is of a structure capable of being stretched up and down, the fixed end of the telescopic rotating rod is rotatably arranged at the bottom end of the shell, the top view of the telescopic end of the telescopic rotating rod is of a square structure, the telescopic end of the telescopic rotating rod is connected with a square groove formed in the lower end of the rotating rod in a concave-convex matching mode, the fixed end of the telescopic rotating rod is connected with the upper end of the driving gear, a plurality of driven gears are uniformly arranged on the outer side of the driving gear along the circumferential direction of the driving gear, the driving gear and the driven gears are rotatably arranged at the bottom end of the shell, the upper end of the driven gear is connected with the lower end of the auxiliary rotating rod, the outer wall of the stirring rod is provided with a stirring sleeve in a threaded matching mode, the outer wall of the stirring sleeve is provided with stirring blades, and the top end of the auxiliary rotating rod is detachably provided with a material distributing frame; flexible bull stick and rotary rod butt joint back, flexible bull stick can rotate along with the rotary rod is synchronous, under the transmission between driving gear and driven gear, supplementary bull stick is synchronous to rotate also thereupon, consequently install the puddler on flexible bull stick and supplementary bull stick just can stir concrete thick liquids and short-staple, the branch work or material rest can be with short-staple even throwing everywhere to concrete thick liquids in this in-process, in order to avoid short-staple to distribute too concentrated, in addition because the puddler rotates to install on flexible bull stick and supplementary pivoted, consequently, the agitator sleeve of installation on the puddler not only can rotate around flexible bull stick or supplementary bull stick, can also rotate around its central axis, stirring range and range all obviously increase, be favorable to improving the homogeneity of stirring.
Preferably, the material blocking frame comprises a fixed frame body, two moving frame bodies, partition plates, baffle plates, a lifting frame body, a material blocking plate and a rotating cam, wherein the fixed frame body is arranged on the inner wall of the shell, the two moving frame bodies are symmetrically arranged in the fixed frame body in a left-right mode in a sliding fit manner, the moving frame body can slide left and right relative to the fixed frame body, a spring is connected between the moving frame body and the fixed frame body, a plurality of partition plates are uniformly arranged between the front inner wall and the rear inner wall of the moving frame body from left to right, one end, far away from the side wall of the shell, of the moving frame body is attached to the side wall of the rotating cam, the rotating cam is sleeved on the telescopic end of the telescopic rotating rod, the baffle plate is arranged above one end, far away from the side wall of the shell, of short fibers can be prevented from a gap between the two moving, a spring is connected between the lifting frame body and the inner wall of the shell, and a plurality of striker plates are uniformly arranged between the front inner wall and the rear inner wall of the lifting frame body from left to right; in the rotating process of the rotating cam, the moving frame body can be driven to do reciprocating linear motion left and right, so that the distribution uniformity of short fibers falling on the upper striker plate is improved, and the accumulation of the short fibers is prevented;
when baffle and striker plate position coincide, the short-staple just can drop in a large number to the compounding device, otherwise can be because the gap between baffle and the striker plate is less and obstruct the whereabouts of short-staple, can delay the short-staple and fall into the speed of compounding device, avoid because of the unloading too frequently makes the compounding device not have abundant time to sneak into the short-staple in the concrete slurry and stir, and then lead to the condition that the short-staple distributes unevenly to take place.
Preferably, the thread placing roller comprises a first support plate, a second support plate, a rotating frame, a roller body, an air pump, a connecting pipe and a moving frame, the first support plate and the second support plate are arranged at the top end of the shell in a bilateral symmetry manner, the second support plate is divided into an upper part and a lower part, the lower part of the second support plate is connected with the top end of the shell, the upper part and the lower part are in sliding connection, a molding groove is arranged on the upper half part of the second support plate, the rotating frame is rotatably arranged in the molding groove, molding clamping grooves are respectively arranged on the left side wall and the right side wall of the rotating frame, the side wall of the first support plate is rotatably connected with one end of the roller body, the other end of the roller body is in concave-convex fit with the molding groove arranged on the left side of the rotating frame, the roller body is of, a moving frame is arranged in the moving chute in a sliding manner, a group of communicating holes are formed in the moving frame, the moving frame is connected with the air pump through a connecting pipe, and a spring is connected between the moving frame and the inner wall of the moving roller body; when the fiber wire roller is moved towards the direction close to the first supporting plate, the air pump is started to properly adjust the position of the upper half part of the second supporting plate so as to enable the fiber wire roller to penetrate through the roller body, the fiber wire roller is tightly attached to the side wall of the moving frame and drives the moving frame to synchronously move towards the direction close to the first supporting plate, when the side wall of the moving frame is tightly attached to the inner wall of the moving chute close to the first supporting plate, the communication holes and the fixing holes are in one-to-one correspondence, the air pump generates suction force on the fiber wire roller through the communication holes and the fixing holes, then the fiber wire roller can synchronously rotate along with the roller body, the position of the upper half part of the second supporting plate is adjusted at the moment, the other end of the roller body can be in concave-convex fit with the groove formed in the rotating frame, both ends of the roller body can be stably supported, the stability of the roller body in, and closing the air pump and reversely adjusting the position of the upper plate part of the second support plate.
Preferably, the driving mechanism comprises a first transmission rod, a second transmission rod, bevel gears and a driving motor, one end of the roller body, which is connected with the first supporting plate, is connected with one end of the first transmission rod, one end of the rotating frame, which is not connected with the roller body, is in concave-convex fit with one end of the second transmission rod, the bevel gears are arranged at the other ends of the first transmission rod and the second transmission rod, the adjacent transversely-arranged bevel gears are meshed with the longitudinally-arranged bevel gears, the second transmission rod, which is positioned on the left side of the shell, is divided into a front part and a rear part, the driving motor is arranged between the front part and the rear part, the driving motor is arranged at the top end of the shell through a motor base, the driving motor is a front-rear bidirectional; after the driving motor is started, under the transmission among the bevel gear, the first transmission rod and the second transmission rod, the plurality of roller bodies can be driven to synchronously rotate, the function of one belt is achieved, and the cost for purchasing the driving source is saved.
Preferably, the movable plate is close to one side of casing lateral wall from last multiunit air jet down evenly seted up, and every group air jet quantity is two, and two air jet longitudinal symmetry arrange, two air jets are located respectively and decide both sides about the blade, are linked together through the intercommunication groove between the air jet, and the intercommunication mouth has been seted up to one side that the casing lateral wall was kept away from at the intercommunication groove middle part.
Preferably, the extrusion rod comprises a cylinder, a piston rod and a return spring, the cylinder is mounted on the side wall of the movable plate, the piston rod is mounted in the cylinder in a sliding manner, the return spring is connected between the piston rod and the inner wall of the cylinder, one end, close to the movable plate, of the piston rod is made of rubber, and one end, in contact with the movable plate, of the cylinder is communicated with the communication port; under the drive of the extrusion cam, the extrusion rod can drive the movable plate to perform reciprocating linear motion in the horizontal direction, so as to drive the cutting blade to perform fiber cutting operation intermittently, when the extrusion cam extrudes the extrusion rod, firstly, the piston rod slides relative to the cylinder body, in the process, the piston rod extrudes gas in the cylinder body, the gas is finally sprayed out from the air nozzle after passing through the communication port and the communication groove, so as to blow off short fibers adhered on the cutting blade, the function of timely cleaning the cutting blade can be realized without additionally arranging cleaning equipment, when the reset spring is compressed to the minimum, the piston rod cannot continuously slide relative to the cylinder body, so that the cylinder body is driven to perform synchronous linear motion, the cylinder body pushes the movable plate to move towards the direction close to the side wall of the shell body, and the cutting blade arranged on the movable plate can cut the fiber filaments into the short fibers, when the extrusion cam does not extrude the piston rod, the movable plate and the extrusion rod return to the original state under the elastic force action of the spring connecting the movable plate and the inner wall of the shell and the elastic force action of the return spring.
Preferably, divide the work or material rest to include the mounting cap, divide flitch and supporting spring, the mounting cap passes through the screw-thread fit mode and installs on supplementary bull stick top, the top of mounting cap is conical structure, prevent that the short-staple from piling up on the mounting cap, evenly install a plurality of branch flitchs along its circumference direction through the hinge on the mounting cap lateral wall, divide the flitch middle part to be provided with the baffle box, be connected with supporting spring between branch flitch lower extreme and the mounting cap lateral wall, supporting spring can shake at the rotation in-process production, in order to reduce the possibility that the unable circumstances that drops appear of short-staple adhesion on dividing the flitch, and the length diverse who divides the flitch, consequently, at supplementary bull stick rotation in-process, can throw short-staple to different positions through the branch flitch that length is different, avoid.
Preferably, the moving frame body and the lifting frame body are in a bilateral symmetry structure, the lower end of the left side of the moving frame body is in an inclined plane structure with the height gradually increasing from left to right, and the lower end of the left side of the moving frame body is clung to the upper end of the left side of the lifting frame body; in the process of reciprocating rectilinear motion left and right of the movable frame body, the lifting frame body can be driven to shake up and down under the matching action of the springs, and short fibers are prevented from being distributed too intensively.
The invention has the beneficial effects that:
1. according to the invention, the cutting device and the mixing device are arranged in the shell from top to bottom, so that the time spent on transferring materials is saved, and the situation that short fibers and concrete slurry cannot be uniformly mixed due to overlarge treatment amount of the mixing device can be avoided by adopting a small-amount and repeated manner during blanking.
2. According to the material blocking frame, the movable frame body can be driven to do reciprocating linear motion left and right in the rotating process of the rotating cam, so that the distribution uniformity of short fibers falling on the upper material blocking plate is improved, the short fibers are prevented from being accumulated, the speed of the short fibers falling into the material mixing device can be delayed, and the situation that the short fibers mixed into concrete slurry are not stirred in sufficient time due to too frequent blanking and the short fibers are not distributed uniformly is avoided.
3. The extrusion rod can extrude gas in the cylinder body by extruding the piston rod in the process of cutting fibers, the gas is finally sprayed out from the gas spraying opening after passing through the communicating opening and the communicating groove, and then short fibers adhered to the cutting blade are blown off, and the function of timely cleaning the cutting blade can be realized without additionally arranging cleaning equipment.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a front cross-sectional view of the fiber addition apparatus of the present invention;
FIG. 3 is a top view of the present invention between the loading roller and the drive mechanism;
FIG. 4 is a front sectional view of the housing, the material placement roller and a portion of the drive mechanism of the present invention;
FIG. 5 is a perspective view of the housing, the material placing roller and a driving mechanism of the present invention;
FIG. 6 is a left side view of the support plate II, the turret and the roll body of the present invention;
FIG. 7 is a perspective structural view between a rotating roller and a material blocking frame part structure of the invention;
FIG. 8 is a front cross-sectional view of the present invention between the moving plate, severing blade and the extrusion ram;
fig. 9 is a three-dimensional structure diagram among the auxiliary rotating rod, the stirring sleeve and the material distributing frame.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 9, a method for preparing heat-insulating anti-cracking lightweight concrete uses a fiber adding device, the fiber adding device comprises a shell 1, a cutting device 2 and a mixing device 3, the cutting device 2 and the mixing device 3 are sequentially installed in the shell 1 from top to bottom, a slurry inlet is formed in the middle of the shell 1, and a slurry outlet is formed in the bottom end of the shell 1; the specific method flow for preparing the heat-preservation anti-cracking light concrete by adopting the fiber adding equipment is as follows:
s1, equipment inspection: before the work begins, each part of the equipment is checked, and the equipment can normally operate in the following work process;
s2, feeding: the prepared concrete slurry is fed into a mixing device 3 through a slurry inlet, and a fiber yarn roll to be used is fixed on a cutting device 2;
s3, fiber cutting: the fiber yarns are cut into short fibers with uniform length by the cutting device 2 for later use;
s4, preparing slurry: after the short fibers fall into the mixing device 3, uniformly mixing the short fibers and the concrete slurry by the mixing device 3 to prepare heat-preservation anti-cracking light concrete slurry;
s5, discharging: opening a grout outlet to send out the prepared heat-insulating anti-cracking lightweight concrete grout;
the cutting device 2 comprises a wire placing roller 21, a driving mechanism 22, a backing plate 23, a movable plate 24, cutting blades 25, an extrusion rod 26, an extrusion cam 27, a rotating rod 28, a rotating motor 29 and a material blocking frame 210, wire inlets are formed in the front, back, left and right directions of the top end of a shell 1, the wire placing roller 21 is installed above the wire inlets, the wire placing rollers 21 are connected through the driving mechanism 22, the backing plate 23 is arranged below the wire inlets, the backing plate 23 is installed on the inner wall of the shell 1, the movable plate 24 is arranged on the inner side of the backing plate 23, the movable plate 24 is slidably installed on the inner wall of the shell 1, one side, close to the backing plate 23, of the movable plate 24 is uniformly provided with the cutting blades 25 from top to bottom, the other side of the movable plate 24 is connected with one end of the extrusion rod 26, the other end of the extrusion rod 26 is tightly, the upper end of the rotating rod 28 is connected with an output shaft of a rotating motor 29 arranged at the top end of the shell 1 through a coupler, a material blocking frame 210 is arranged below the rotating rod 28, and the material blocking frame 210 is arranged on the inner wall of the shell 1; drive through actuating mechanism 22 and put line roller 21 and rotate to constantly send into the cellosilk from the inlet wire inside casing 1, rotating electrical machines 29 drives extrusion cam 27 on the rotary rod 28 and rotates simultaneously, extrusion cam 27 alright drive extrusion pole 26 carry out the ascending reciprocal linear motion of horizontal direction, make decide blade 25 and can cut the cellosilk into the short fiber of certain length, the short fiber falls on keeping off the work or material rest 210 after, can be by a small amount of many times send to in the compounding device 3.
The wire placing roller 21 comprises a first supporting plate 211, a second supporting plate 212, a rotating frame 213, a roller body 214, an air pump 215, a connecting pipe 216 and a moving frame 217, wherein the first supporting plate 211 and the second supporting plate 212 are arranged at the top end of the shell 1 in a bilateral symmetry manner, the second supporting plate 212 is divided into an upper part and a lower part, the lower part of the second supporting plate 212 is connected with the top end of the shell 1, the upper part and the lower part are in sliding connection, a U-shaped groove is formed in the upper part of the second supporting plate 212, the rotating frame 213 is rotatably arranged in the U-shaped groove, U-shaped clamping grooves are formed in the left side wall and the right side wall of the rotating frame 213, the side wall of the first supporting plate 211 is rotatably connected with one end of the roller body 214, the other end of the roller body 214 is in concave-convex fit with the U-shaped groove formed in the left side, the moving chute is positioned on one side, close to the first supporting plate 211, of the roller body 214, the moving frame 217 is installed in the moving chute in a sliding mode, a group of communicating holes are formed in the moving frame 217, the moving frame 217 is connected with the air pump 215 through a connecting pipe 216, and a spring is connected between the moving frame 217 and the inner wall of the moving roller body 214; when the fiber yarn roller is moved towards the direction close to the first support plate 211, the air pump 215 is started to properly adjust the position of the upper half part of the second support plate 212 so as to enable the fiber yarn roller to penetrate through the roller body 214, the fiber yarn roller is clung to the side wall of the moving frame 217 and drives the moving frame 217 to synchronously move towards the direction close to the first support plate 211, when the side wall of the moving frame 217 is clung to the inner wall of the moving chute close to the first support plate 211, the communication holes are in one-to-one correspondence with the positions of the fixed holes, the air pump 215 generates suction to the fiber yarn roller through the communication holes and the fixed holes, then the fiber yarn roller can synchronously rotate along with the roller body 214, and at the moment, the position of the upper half part of the second support plate 212 is adjusted so that the other end of the roller body 214 can be in concave-convex fit with the U-shaped groove arranged on the rotating frame 213, the two ends, when the fiber line roller needs to be detached, the air pump 215 is closed, and the plate portion position on the second support plate 212 is reversely adjusted.
The driving mechanism 22 comprises a first driving rod 221, a second driving rod 222, bevel gears 223 and a driving motor 224, one end of the roller body 214 connected with the first supporting plate 211 is connected with one end of the first driving rod 221, one end of the rotating frame 213 not connected with the roller body 214 is in concave-convex fit with one end of the second driving rod 222, the bevel gears 223 are arranged at the other ends of the first driving rod 221 and the second driving rod 222, the adjacent transversely arranged bevel gears 223 are meshed with the longitudinally arranged bevel gears 223, the second transmission rod 222 positioned on the left side of the shell 1 is divided into a front part and a rear part, a driving motor 224 is arranged between the front part and the rear part, the driving motor 224 is installed at the top end of the shell 1 through a motor base, the driving motor 224 is a front-rear bidirectional output motor, and a front output shaft and a rear output shaft of the driving motor 224 are respectively connected with the front part and the rear part of the second transmission rod 222 positioned on the left side of the shell 1 through couplers; after the driving motor 224 is started, the plurality of roller bodies 214 can be driven to synchronously rotate under the transmission among the bevel gear 223, the first transmission rod 221 and the second transmission rod 222, so that the function of one belt is realized, and the cost for purchasing a driving source is saved.
One side that the movable plate 24 is close to the casing 1 lateral wall is from last down evenly seted up multiunit air vent 24a, and every group air vent 24a quantity is two, and two air vents 24a symmetry arrangement from top to bottom, two air vents 24a are located respectively and decide about the blade 25 both sides, are linked together through intercommunication groove 24b between the air vent 24a, and intercommunication mouth 24c has been seted up to one side that the casing 1 lateral wall was kept away from in the middle part of the intercommunication groove 24 b.
The extrusion rod 26 comprises a cylinder 261, a piston rod 262 and a return spring 263, the cylinder 261 is installed on the side wall of the moving plate 24, the piston rod 262 is installed in the cylinder 261 in a sliding mode, the return spring 263 is connected between the piston rod 262 and the inner wall of the cylinder 261, one end, close to the moving plate 24, of the piston rod 262 is made of rubber, and one end, in contact with the moving plate 24, of the cylinder 261 is communicated with the communication port 24 c; under the driving of the extrusion cam 27, the extrusion rod 26 can drive the moving plate 24 to perform reciprocating linear motion in the horizontal direction, so as to drive the cutting blade 25 to perform fiber cutting operation intermittently, when the extrusion cam 27 extrudes the extrusion rod 26, firstly, the piston rod 262 slides relative to the cylinder 261, in the process, the piston rod 262 extrudes the gas in the cylinder 261, the gas is finally ejected from the air ejection opening 24a after passing through the communication opening 24c and the communication groove 24b, so as to blow off the short fibers adhered to the cutting blade 25, the function of cleaning the cutting blade 25 in time can be realized without additionally arranging cleaning equipment, when the reset spring 263 is compressed to the shortest, the piston rod 262 cannot continuously slide relative to the cylinder 261, so as to drive the cylinder 261 to perform synchronous linear motion, the cylinder 261 pushes the moving plate 24 to move towards the direction close to the side wall of the shell 1, the cutting blade 25 mounted on the moving plate 24 can cut the fiber filament into short fiber, and when the pressing cam 27 does not press the piston rod 262, the moving plate 24 and the pressing rod 26 are both restored to the original state under the elastic force of the spring connecting the moving plate 24 and the inner wall of the housing 1 and the restoring spring 263.
The material blocking frame 210 comprises a fixed frame 2101, a movable frame 2102, partition plates 2103, baffle plates 2104, lifting frames 2105, a material blocking plate 2106 and a rotating cam 2107, wherein the fixed frame 2101 is arranged on the inner wall of a shell 1, the two movable frame 2102 are symmetrically arranged in the fixed frame 2101 in a left-right sliding fit mode, the movable frame 2102 can slide left and right relative to the fixed frame 2101, a spring is connected between the movable frame 2102 and the fixed frame 2101, the partition plates 2103 are uniformly arranged between the front inner wall and the rear inner wall of the movable frame 2102 from left to right, one end of the movable frame 2102 far away from the side wall of the shell 1 is clung to the side wall of the rotating cam 2107, the rotating cam 2107 is sleeved on the telescopic end of a telescopic rotating rod 31, the baffle plates are arranged above one end of the movable frame 2102 far away from the side wall of the shell 1 to prevent short fibers from falling from a gap between the two, the lifting frame 2105 is slidably mounted on the inner wall of the shell 1, the lifting frame 2105 can slide up and down relative to the inner wall of the shell 1, a spring is connected between the lifting frame 2105 and the inner wall of the shell 1, and a plurality of material blocking plates 2106 are uniformly mounted between the front inner wall and the rear inner wall of the lifting frame 2105 from left to right; in the rotating process of the rotating cam 2107, the moving frame 2102 can be driven to do reciprocating linear motion left and right, so that the distribution uniformity of short fibers falling on the upper striker plate 2106 is improved, and the accumulation of the short fibers is prevented;
when baffle 2103 and striker plate 2106 position coincide, the short-staple just can drop in a large amount to compounding device 3, otherwise can be because the gap between baffle 2103 and the striker plate 2106 is less and obstruct the whereabouts of short-staple, can delay the short-staple and fall into the speed of compounding device 3, avoid because of the unloading too frequently makes compounding device 3 not have abundant time to stir the short-staple of sneaking into in the concrete slurry, and then lead to the condition emergence of short-staple uneven distribution.
The moving frame 2102 and the lifting frame 2105 are in a bilateral symmetry structure, the lower end of the left side of the moving frame 2102 is in an inclined plane structure with the height gradually increasing from left to right, and the lower end of the left side of the moving frame 2102 is attached to the upper end of the left side of the lifting frame 2105; in the process of reciprocating the left and right linear motion of the movable frame 2102, the lifting frame 2105 can be driven to swing up and down under the matching action of the springs, and short fiber distribution positions are prevented from being excessively concentrated.
The mixing device 3 comprises a telescopic rotating rod 31, a driving gear 32, a driven gear 33, an auxiliary rotating rod 34, a stirring rod 35, a stirring sleeve 36 and a material distributing frame 37, wherein the telescopic rotating rod 31 is of an up-down telescopic structure, the fixed end of the telescopic rotating rod 31 is rotatably arranged at the bottom end of the shell 1, the top view of the telescopic end of the telescopic rotating rod 31 is of a square structure, the telescopic end of the telescopic rotating rod 31 is connected with a square groove formed at the lower end of the rotating rod 28 in a concave-convex matching manner, the fixed end of the telescopic rotating rod 31 is connected with the upper end of the driving gear 32, a plurality of driven gears 33 are uniformly arranged at the outer side of the driving gear 32 along the circumferential direction, the driving gear 32 and the driven gears 33 are both rotatably arranged at the bottom end of the shell, the upper end of the driven gear 33 is, a plurality of stirring rods 35 are arranged on the side walls of the telescopic rotating rod 31 and the auxiliary rotating rod 34 from top to bottom in a rotating mode, a stirring sleeve 36 is arranged on the outer wall of each stirring rod 35 in a threaded matching mode, stirring blades are arranged on the outer wall of each stirring sleeve 36, and a material distributing frame 37 is detachably arranged at the top end of each auxiliary rotating rod 34; after the telescopic rotating rod 31 is in butt joint with the rotating rod 28, the telescopic rotating rod 31 can synchronously rotate along with the rotating rod 28, under the transmission action between the driving gear 32 and the driven gear 33, the auxiliary rotating rod 34 synchronously rotates along with the telescopic rotating rod, so that the stirring rod 35 installed on the telescopic rotating rod 31 and the auxiliary rotating rod 34 can stir concrete slurry and short fibers, and the short fibers can be uniformly thrown to the concrete slurry by the material distributing frame 37 in the process, so that the short fibers are prevented from being excessively concentrated in distribution.
Divide work or material rest 37 to include the mounting cap, divide flitch and supporting spring, the mounting cap passes through the screw-thread fit mode and installs on the 34 tops of supplementary bull stick, the top of mounting cap is conical structure, prevent that the short-staple from piling up on the mounting cap, evenly install a plurality of branch flitchs along its circumference direction through the hinge on the mounting cap lateral wall, divide the flitch middle part to be provided with the baffle box, it is connected with supporting spring to divide between flitch lower extreme and the mounting cap lateral wall, supporting spring can produce the shake at the rotation in-process, in order to reduce the possibility that the unable circumstances that drops of short-staple adhesion on dividing the flitch appears, and the length diverse who divides the flitch, consequently, at supplementary bull stick 34 rotation in-process, can throw short-staple to different positions through the branch flitch of.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A preparation method of heat-preservation anti-cracking lightweight concrete uses a fiber adding device, the fiber adding device comprises a shell (1), a cutting device (2) and a mixing device (3), the cutting device (2) and the mixing device (3) are sequentially installed in the shell (1) from top to bottom, a grout inlet is formed in the middle of the shell (1), and a grout outlet is formed in the bottom end of the shell (1); the method is characterized in that: the specific method flow for preparing the heat-preservation anti-cracking light concrete by adopting the fiber adding equipment is as follows:
s1, equipment inspection: before the work begins, each part of the equipment is checked, and the equipment can normally operate in the following work process;
s2, feeding: the prepared concrete slurry is fed into a mixing device (3) through a slurry inlet, and a fiber yarn roll to be used is fixed on a cutting device (2);
s3, fiber cutting: cutting the cellosilk into short fibers with uniform length by a cutting device (2) for later use;
s4, preparing slurry: after the short fibers fall into the mixing device (3), uniformly mixing the short fibers and the concrete slurry by the mixing device (3) to prepare heat-preservation anti-cracking light concrete slurry;
s5, discharging: opening a grout outlet to send out the prepared heat-insulating anti-cracking lightweight concrete grout;
the cutting device (2) comprises a wire placing roller (21), a driving mechanism (22), a backing plate (23), a movable plate (24), cutting blades (25), an extrusion rod (26), an extrusion cam (27), a rotary rod (28), a rotary motor (29) and a material blocking frame (210), wire inlets are formed in the front, back, left and right directions of the top end of a shell (1), the wire placing roller (21) is installed above the wire inlets, the wire placing rollers (21) are connected through the driving mechanism (22), the backing plate (23) is arranged below the wire inlets, the backing plate (23) is installed on the inner wall of the shell (1), the movable plate (24) is arranged on the inner side of the backing plate (23), the movable plate (24) is slidably installed on the inner wall of the shell (1), a plurality of cutting blades (25) are evenly installed on one side, close to the backing plate (23), of the movable plate (24), from top to bottom, the other side of the movable plate (24, the other end of the extrusion rod (26) is tightly attached to the side wall of an extrusion cam (27) sleeved on the rotary rod (28), the rotary rod (28) is rotatably installed at the top end of the shell (1), the upper end of the rotary rod (28) is connected with an output shaft of a rotary motor (29) installed at the top end of the shell (1) through a coupler, a material blocking frame (210) is arranged below the rotary rod (28), and the material blocking frame (210) is installed on the inner wall of the shell (1);
the mixing device (3) comprises a telescopic rotating rod (31), a driving gear (32), driven gears (33), an auxiliary rotating rod (34), a stirring rod (35), a stirring sleeve (36) and a material distributing frame (37), wherein the telescopic rotating rod (31) is of an up-down telescopic structure, the fixed end of the telescopic rotating rod (31) is rotatably arranged at the bottom end of the shell (1), the top view of the telescopic end of the telescopic rotating rod (31) is of a square structure, the telescopic end of the telescopic rotating rod (31) is connected with a square groove formed at the lower end of the rotating rod (28) in a concave-convex matching mode, the fixed end of the telescopic rotating rod (31) is connected with the upper end of the driving gear (32), a plurality of driven gears (33) are uniformly arranged on the outer side of the driving gear (32) along the circumferential direction of the driving gear, and the, driven gear (33) upper end is connected with supplementary bull stick (34) lower extreme, driving gear (32), driven gear (33) all rotate with supplementary bull stick (34) and install in casing (1) bottom, all install a plurality of puddlers (35) from last down through the rotation mode on flexible bull stick (31) and supplementary bull stick (34) lateral wall, install agitator sleeve (36) through the screw-thread fit mode on agitator rod (35) outer wall, be provided with stirring vane on agitator sleeve (36) outer wall, branch work or material rest (37) are installed to supplementary bull stick (34) top detachable.
2. The preparation method of the heat-insulating anti-cracking lightweight concrete according to claim 1, which is characterized in that: the material blocking frame (210) comprises a fixed frame body (2101), a movable frame body (2102), partition plates (2103), baffle plates (2104), a lifting frame body (2105), a material blocking plate (2106) and a rotating cam (2107), wherein the fixed frame body (2101) is installed on the inner wall of a shell (1), the two movable frame bodies (2104) are installed in the fixed frame body (2101) in a bilateral symmetry mode in a sliding fit mode, the movable frame body (2102) can slide left and right relative to the fixed frame body (2101), a spring is connected between the movable frame body (2102) and the fixed frame body (2101), a plurality of partition plates (2104 3) are evenly installed between the front inner wall and the rear inner wall of the movable frame body (2102) from left to right, one end, far away from the side wall of the shell (1), of the movable frame body (2102) is attached to the side wall of the rotating cam (2107), the rotating cam (2107) is sleeved on the telescopic end of a telescopic rotating rod (31), and the, a lifting frame body (2105) is arranged below the fixed frame body (2101), the lifting frame body (2105) is slidably mounted on the inner wall of the shell (1), the lifting frame body (2105) can slide up and down relative to the inner wall of the shell (1), a spring is connected between the lifting frame body (2105) and the inner wall of the shell (1), and a plurality of material blocking plates (2106) are uniformly mounted between the front inner wall and the rear inner wall of the lifting frame body (2105) from left to right.
3. The preparation method of the heat-insulating anti-cracking lightweight concrete according to claim 1, which is characterized in that: the wire placing roller (21) comprises a first supporting plate (211), a second supporting plate (212), a rotating frame (213), a roller body (214), an air pump (215), a connecting pipe (216) and a moving frame (217), wherein the first supporting plate (211) and the second supporting plate (212) are arranged at the top end of the shell (1) in a bilateral symmetry mode, the second supporting plate (212) is divided into an upper portion and a lower portion, the lower portion of the second supporting plate (212) is connected with the top end of the shell (1), the upper portion of the second supporting plate is connected with the lower portion in a sliding mode, a U-shaped groove is formed in the upper portion of the second supporting plate (212), the rotating frame (213) is rotatably arranged in the U-shaped groove, U-shaped clamping grooves are formed in the left side wall and the right side wall of the rotating frame (213), the side wall of the first supporting plate (211) is rotatably connected with one end of, roll body (214) are hollow structure, install air pump (215) on roll body (214) inner wall, two sets of fixed orificess and two removal spouts have been seted up to roll body (214) lateral wall upper and lower symmetry, it is located one side that is close to backup pad (211) on roll body (214) to remove the spout, sliding installation has removal frame (217) in removing the spout, a set of intercommunicating pore has been seted up on removal frame (217), be connected through connecting pipe (216) between removal frame (217) and air pump (215), remove frame (217) and be connected with the spring between moving roll body (214) the inner wall.
4. The preparation method of the heat-insulating anti-cracking lightweight concrete according to claim 3, characterized by comprising the following steps: the driving mechanism (22) comprises a first driving rod (221), a second driving rod (222), bevel gears (223) and driving motors (224), one end of the roller body (214) connected with the first supporting plate (211) is connected with one end of the first driving rod (221), one end of the rotating frame (213) which is not connected with the roller body (214) is in concave-convex fit with one end of the second driving rod (222), the bevel gears (223) are mounted at the other ends of the first driving rod (221) and the second driving rod (222), the adjacent transversely-arranged bevel gears (223) are meshed with the longitudinally-arranged bevel gears (223), the second driving rod (222) positioned on the left side of the shell (1) is divided into a front part and a rear part, the driving motors (224) are arranged between the front part and the rear part, the driving motors (224) are mounted at the top end of the shell (1) through motor seats, and the driving motors (, the front output shaft and the rear output shaft of the driving motor (224) are respectively connected with the front part and the rear part of a second transmission rod (222) positioned on the left side of the shell (1) through a coupler.
5. The preparation method of the heat-insulating anti-cracking lightweight concrete according to claim 1, which is characterized in that: one side that moving plate (24) is close to casing (1) lateral wall is from last down evenly seted up multiunit air jet (24a), and every group air jet (24a) quantity is two, and two air jet (24a) longitudinal symmetry arrange, and both sides about two air jet (24a) are located respectively and decide blade (25), are linked together through intercommunication groove (24b) between air jet (24a), and intercommunication mouth (24c) have been seted up to one side that casing (1) lateral wall was kept away from in intercommunication groove (24b) middle part.
6. The preparation method of the heat-insulating anti-cracking lightweight concrete according to claim 5, characterized by comprising the following steps: the extrusion rod (26) comprises a cylinder body (261), a piston rod (262) and a reset spring (263), the cylinder body (261) is installed on the side wall of the moving plate (24), the piston rod (262) is installed inside the cylinder body (261) in a sliding mode, the reset spring (263) is connected between the piston rod (262) and the inner wall of the cylinder body (261), one end, close to the moving plate (24), of the piston rod (262) is made of rubber, and one end, contacting with the moving plate (24), of the cylinder body (261) is communicated with the communication port (24 c).
7. The preparation method of the heat-insulating anti-cracking lightweight concrete according to claim 1, which is characterized in that: divide work or material rest (37) to install on supplementary bull stick (34) top including the installation cap, divide flitch and supporting spring, the installation cap passes through screw-thread fit mode, and the top of installation cap is conical structure, evenly installs a plurality of branch flitchs along its circumference direction through the hinge on the installation cap lateral wall, divides the flitch middle part to be provided with the baffle box, divides to be connected with supporting spring between flitch lower extreme and the installation cap lateral wall, and divides the length diverse of flitch.
8. The preparation method of the heat-insulating anti-cracking lightweight concrete according to claim 2, which is characterized in that: the movable frame body (2102) and the lifting frame body (2105) are in a bilateral symmetry structure, the lower end of the left side of the movable frame body (2102) is in an inclined plane structure with the height gradually increasing from left to right, and the lower end of the left side of the movable frame body (2102) is attached to the upper end of the left side of the lifting frame body (2105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110373802.7A CN113085015A (en) | 2021-04-07 | 2021-04-07 | Preparation method of heat-preservation anti-cracking lightweight concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110373802.7A CN113085015A (en) | 2021-04-07 | 2021-04-07 | Preparation method of heat-preservation anti-cracking lightweight concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116335356A (en) * | 2023-04-07 | 2023-06-27 | 嘉兴市天坤营造工程设计有限公司 | Intelligent building construction method and equipment thereof |
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2021
- 2021-04-07 CN CN202110373802.7A patent/CN113085015A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116335356A (en) * | 2023-04-07 | 2023-06-27 | 嘉兴市天坤营造工程设计有限公司 | Intelligent building construction method and equipment thereof |
| CN116335356B (en) * | 2023-04-07 | 2024-05-24 | 衡阳德馨建筑科技有限公司 | Intelligent building construction method and equipment thereof |
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