CN117207352A - Foam concrete preparation system and preparation method - Google Patents

Abstract

The invention relates to the technical field of concrete preparation, and discloses a foam concrete preparation system, which comprises an outer cylinder body, wherein a supporting leg is fixedly arranged at the lower end of the outer cylinder body, a supporting rod is fixedly arranged at the periphery of the outer cylinder body, a cover plate is arranged on the supporting rod, a foam cylinder is arranged on the cover plate, a first stirring shaft is rotatably arranged at the lower end of the cover plate, the first stirring shaft is of a hollow structure, a feed inlet is formed at the lower end of the foam cylinder, the feed inlet is communicated with the first stirring shaft, a hollow pipe is fixedly arranged at the lower end of the first stirring shaft, a chute is formed in the side wall of the hollow pipe, and through the cooperation among an inner cylinder body, the foam cylinder, the first stirring shaft, the hollow pipe, the first stirring blade and the second stirring blade rotate at a high speed, and foam of the foam cylinder enters the first stirring shaft through the feed inlet and can directly flow to the bottom of the inner cylinder body, so that cement paste can be fused with the bottom of the inner cylinder body conveniently.

Description

Foam concrete preparation system and preparation method

Technical Field

The invention relates to the technical field of concrete preparation, in particular to a foam concrete preparation system and a preparation method.

Background

The foam concrete is a novel light heat-insulating material containing a large number of closed pores, which is formed by fully foaming a foaming agent in a mechanical way through a foaming system of a bubble machine, uniformly mixing the foam and cement slurry, then carrying out cast-in-situ construction or mold forming through a pumping system of the foaming machine, and naturally curing. The foam concrete is a lightweight, heat-insulating, fireproof, sound-insulating and frost-resisting concrete material, the slurry can be self-leveling, self-compacting, good in construction workability, convenient for pumping and leveling, has better compatibility with all other building materials, and has adjustable strength.

Chinese patent No. CN201711159743 discloses a concrete preparing apparatus for building. Including bottom plate 1, the top fixedly connected with storage water tank 20 of bottom plate 1, storage water tank 20 passes through water pumper 21 and leather hose 22 can realize the work of adding water to the inside of first box 2, just so need not go to add water by the manual work, and the top fixedly connected with water pumper 21 of storage water tank 20, the both sides of water pumper 21 all communicate has leather hose 22, and the one end of leather hose 22 and the top intercommunication of storage water tank 20, the other end of leather hose 22 runs through first box 2 and extends to the inside of first box 2, the top fixedly connected with first box 2 of bottom plate 1, the top fixedly connected with feed inlet 23 of first box 2, feed inlet 23 can facilitate the user to put into second box 4 with concrete preparation raw materials, and the bottom of feed inlet 23 runs through first box 2 and second box 4 in proper order and extends to the inside of second box 4, the front of storage water tank 20 and first box 2 all has chamber door 24 through the hinge, and the front fixedly mounted control switch 25 of first box 2.

However, in the prior art, because the density of the concrete is high and the foam is poured into the cement slurry from the top of the cement slurry in the preparation process of the foam concrete, the foam is difficult to mix with the cement slurry at the bottom in time, and the foam can be defoamed if not fused with the cement slurry rapidly, so that the quality of a finished product of the foam concrete is affected; therefore, the existing requirements are not met, and a foam concrete preparation system and a foam concrete preparation method are provided.

Disclosure of Invention

The invention provides a foam concrete preparation system and a preparation method, which have the beneficial effects that foam can directly flow to the bottom of an inner cylinder body, so that the foam can be conveniently fused with cement paste at the bottom of the inner cylinder body, and foam is not easy to foam.

The invention provides the following technical scheme: the utility model provides a foam concrete preparation system, includes outer barrel, the lower extreme fixed mounting of outer barrel has the supporting leg, the periphery fixed mounting of outer barrel has the bracing piece, install the apron on the bracing piece, be provided with the foam section of thick bamboo on the apron, the lower extreme of apron rotates installs first (mixing) shaft, first (mixing) shaft is hollow structure, the feed inlet has been seted up to the lower extreme of foam section of thick bamboo, the feed inlet with first (mixing) shaft is linked together, the lower extreme fixed mounting of first (mixing) shaft has the hollow tube, be equipped with the spout on the lateral wall of hollow tube, be equipped with the stirring frame in the spout, the stirring frame include with hollow tube upper end inner wall connection's first (mixing) blade and with hollow tube lower extreme inner wall connection's second (mixing) blade, first (mixing) blade with all be connected with the deflector on the second (mixing) blade, adjacent the deflector is crisscross to be set up.

As an alternative to the foam concrete preparation system according to the invention, wherein: the first stirring blade and the second stirring blade are both rotationally connected with the hollow pipe, and an elastic piece is connected between the first stirring blade and the second stirring blade.

As an alternative to the foam concrete preparation system according to the invention, wherein: the inner barrel is rotatably arranged in the outer barrel, the lower ends of the outer barrel and the inner barrel are jointly communicated with a discharging pipe, a poking plate is fixedly arranged on the inner wall of the inner barrel, and the poking plate is connected with the side wall of the first stirring blade and the side wall of the second stirring blade.

As an alternative to the foam concrete preparation system according to the invention, wherein: the middle part of first (mixing) shaft is provided with first gear, and three the periphery of first gear is provided with first outer ring gear, be equipped with the cell body on the inner wall of first outer ring gear, the cell body with first (mixing) shaft alternates to be connected.

As an alternative to the foam concrete preparation system according to the invention, wherein: an inner gear ring is arranged on the groove wall of the groove body, the inner gear ring is connected with the first gear in a meshed mode, a second gear is installed on the periphery of the first outer gear in a meshed mode, the upper end of the second gear is connected with a motor, and the upper end of the motor is fixedly installed on the cover plate.

As an alternative to the foam concrete preparation system according to the invention, wherein: the lower extreme fixed mounting of apron has the shell body, first outer ring gear rotates and installs in the shell body, the lower extreme of shell body has been seted up and has been dodged the groove, and three first (mixing) shaft rotates and installs dodge the inslot.

As an alternative to the foam concrete preparation system according to the invention, wherein: the inner walls of the three first gears are provided with second external gears in a meshed mode, the second external gears are rotatably arranged in the groove body, a second stirring shaft is fixedly arranged in the middle of each second external gear, and a connecting block is arranged at the lower end of each second stirring shaft and fixedly connected with the inner cylinder body.

As an alternative to the foam concrete preparation system according to the invention, wherein: the upper end of the second stirring shaft is fixedly provided with a third stirring shaft, the third stirring shaft is inserted into the cover plate and rotatably installed in the foam cylinder, and the periphery of the third stirring shaft is fixedly provided with a third stirring blade.

The invention also discloses a preparation method of the foam concrete, which comprises the following steps:

s01: firstly, pouring the prepared cement and water into the inner cylinder by an operator, preparing a foaming agent aqueous solution into foam, and pouring the foam into the foam cylinder through a foaming agent;

s02: starting the motor to enable the second gear, the first outer gear, the three first gears, the first stirring shaft, the second outer gear and the second stirring shaft to rotate, wherein the first gear drives the stirring frame to rotate, and the second stirring shaft drives the inner cylinder to rotate so as to mix cement and water to form cement paste;

s03: the foam flows downwards through the first stirring shaft and is then mixed with cement slurry from the gaps of the first stirring blade and the second stirring blade;

s04: and finally, opening a valve at the discharge pipe, and enabling the finished product to flow out of the discharge pipe.

The invention has the following beneficial effects:

1. according to the foam concrete preparation system and the preparation method, through the cooperation among the inner cylinder body, the foam cylinder, the first stirring shaft, the hollow pipe, the first stirring blade and the second stirring blade rotate at a high speed, the ingredients are mixed together to form cement paste, foam of the foam cylinder enters the first stirring shaft through the feeding hole and finally enters the hollow pipe and flows out of the chute, and the cement paste is mixed with concrete paste in the inner cylinder body and can directly flow to the bottom of the inner cylinder body, so that cement paste at the bottom of the inner cylinder body can be fused conveniently.

2. According to the foam concrete preparation system and the foam concrete preparation method, through the cooperation between the first stirring blade, the second stirring blade, the guide plate, the elastic piece, the inner cylinder body and the poking piece, the first stirring blade and the second stirring blade continuously strike the poking piece on the inner cylinder body in the high-speed rotation process, the first stirring blade and the second stirring blade are mutually close to each other, the elastic piece is compressed, the two staggered guide plates slide through cement paste and shear, the rear end of the cement paste slides out of a space, foam flowing out of the sliding groove directly flows into the space, the contact area between the foam and the cement paste is increased, the foam and the cement paste at the position are conveniently mixed together, the fusion degree of the foam and air is accelerated in the shearing process, the defoaming rate is further reduced, the fusion efficiency is good, and the quality of a finished product is high.

3. According to the foam concrete preparation system and the foam concrete preparation method, through cooperation among the second gear, the first outer gear, the three first gears, the first stirring shaft, the second outer gear and the second stirring shaft, the first gear drives the stirring frame to rotate, the second stirring shaft drives the inner cylinder to rotate so as to mix cement and water, and the rotation direction of the inner cylinder is opposite to that of the three first gears, namely, opposite to that of the three first stirring shafts, so that the rotation efficiency of cement slurry in the inner cylinder is further improved, defoaming is facilitated to be reduced, and the mixing efficiency is greatly improved.

3. According to the foam concrete preparation system and the preparation method, the second stirring shaft drives the third stirring shaft to rotate in the rotating process, namely the third stirring blade rotates in the foam cylinder, so that the possibility of defoaming of the foam cylinder is greatly reduced, the foam concrete preparation system and the preparation method are convenient to use, the motor is used as a unique driving piece, the operation of a plurality of areas of the device is convenient to drive, a driving mechanism is saved, and the production cost is reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic structural view of a first stirring shaft and a stirring frame according to the present invention.

Fig. 3 is a schematic structural view of the stirring frame of the present invention.

Fig. 4 is a schematic view of a guide plate structure according to the present invention.

Fig. 5 is a schematic view of the structure of the outer cylinder and the inner cylinder of the invention.

Fig. 6 is a schematic view of the internal structure of the outer casing of the present invention.

Fig. 7 is a cross-sectional view of the outer housing of the present invention.

In the figure: 100. an outer cylinder; 110. support legs; 120. a support rod; 130. a cover plate; 140. an outer housing; 150. a foam cylinder; 160. a motor; 170. a feed inlet; 180. a discharge pipe; 190. an avoidance groove; 200. an inner cylinder; 210. a pulling piece; 300. a first stirring shaft; 310. a chute; 320. a hollow tube; 330. a first gear; 400. a second stirring shaft; 410. a connecting block; 420. a third stirring shaft; 430. a third stirring blade; 500. a first outer ring gear; 510. a second gear; 520. a tank body; 530. an inner gear ring; 600. a second external gear; 700. a stirring rack; 710. a first stirring blade; 720. a second stirring blade; 730. a guide plate; 740. an elastic member.

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.

Example 1

The present embodiment is intended to facilitate the solution of the problem that in the process of preparing foam concrete, foam is difficult to mix with cement slurry at the bottom in time, as foam is not fast mixed with cement slurry, and foam is defoamed and affects the quality of finished products of foam concrete, please refer to fig. 1-7, a foam concrete preparing system includes an outer cylinder 100, a supporting leg 110 is fixedly mounted at the lower end of the outer cylinder 100, the outer cylinder 100 is supported by the supporting leg 110, a supporting rod 120 is fixedly mounted at the periphery of the outer cylinder 100, a cover plate 130 is mounted on the supporting rod 120, a foam cylinder 150 is disposed on the cover plate 130, the foam cylinder 150 is used for storing foam, a first stirring shaft 300 is rotatably mounted at the lower end of the cover plate 130, the first stirring shaft 300 is of a hollow structure, a feed inlet 170 is opened at the lower end of the foam cylinder 150, the feed inlet 170 is communicated with the first stirring shaft 300, a hollow tube 320 is fixedly mounted at the lower end of the first stirring shaft 300, a chute 310 is disposed on the side wall of the hollow tube 320, a stirring frame 700 is disposed in the chute 310, the stirring frame 700 includes a first stirring blade 710 and a second stirring blade 710 connected with the lower end of the hollow tube 320, and a second stirring blade 730 is connected with the upper guiding blade 730, and the second stirring blade 710 is disposed adjacent to the first stirring blade and the upper blade 730.

Cement, water and the like are used for ingredients to be poured into the inner cylinder 200, foam is pumped into the foam cylinder 150 by the foaming machine, the first stirring blade 710 and the second stirring blade 720 rotate at a high speed to mix the ingredients together to form cement paste, the foam of the foam cylinder 150 enters the first stirring shaft 300 through the feed inlet 170 and finally enters the hollow pipe 320 and flows out of the chute 310 to be mixed with concrete paste in the inner cylinder 200, and the mixed material can directly flow to the bottom of the inner cylinder 200 so as to be convenient for being fused with the cement paste at the bottom of the inner cylinder 200.

The first stirring vane 710 and the second stirring vane 720 slide through the cement slurry in the process of rotating at a high speed, the rear end of the cement slurry slides out of a space, and the foam flowing out of the chute 310 directly flows into the space, so that the contact area between the foam and the cement slurry is increased, and the mixing effect is good.

The first stirring vane 710 and the second stirring vane 720 are both rotationally connected with the hollow tube 320, and an elastic member 740 is commonly connected between the first stirring vane 710 and the second stirring vane 720, and the elastic member 740 may be any mechanism with elasticity, such as a spring, rubber, etc.

The inner barrel 200 is rotatably arranged in the outer barrel 100, the lower ends of the outer barrel 100 and the inner barrel 200 are communicated with the discharging pipe 180, the plectrum 210 is fixedly arranged on the inner wall of the inner barrel 200, the plectrum 210 is connected with the side walls of the first stirring blade 710 and the second stirring blade 720, and the plectrum 210 is of a metal structure and is easy to deform.

The first stirring vane 710 and the second stirring vane 720 continuously strike the stirring sheet 210 on the inner cylinder 200 in the rotating process, the first stirring vane 710 and the second stirring vane 720 are mutually close to each other, the elastic member 740 is compressed, the two guide plates 730 are mutually sheared, the foam and cement paste are conveniently mixed together, the fusion degree of the foam and air is accelerated in the shearing process, the defoaming rate is further reduced, the fusion efficiency is good, and the quality of a finished product is high.

Example 2

The present embodiment is intended to promote solving the problem of how to further increase the mixing effect of cement paste and foam, and is an improvement made on the basis of embodiment 1, specifically, referring to fig. 2, 5-7, the middle part of the first stirring shaft 300 is provided with a first gear 330, the outer circumferences of the three first gears 330 are provided with a first outer gear ring 500, the outer circumference of the first outer gear ring 500 is engaged and installed with a second gear 510, the upper end of the second gear ring 510 is connected with a motor 160, the upper end of the motor 160 is fixedly installed on the cover plate 130, and the motor 160 is used as a driving member for driving the first stirring shaft 300 to rotate.

The motor 160 is started, the second gear 510 can rotate, the second gear 510 drives the first outer gear ring 500 to rotate, the groove body 520 is arranged on the inner wall of the first outer gear ring 500, the groove body 520 is connected with the first stirring shaft 300 in a penetrating way, the inner gear ring 530 is arranged on the groove wall of the groove body 520, the inner gear ring 530 is connected with the first gear 330 in a meshed way, under the action of the first gear 330 and the inner gear ring 530, the first gear 330 rotates, the first stirring shaft 300 connected with the first gear 330 rotates, and the three first stirring shafts 300 simultaneously rotate, namely, the three stirring frames 700 move together, so that the mixing range is increased, the stability is further improved, and the mixing effect of cement paste and foam is further improved.

The lower extreme fixed mounting of apron 130 has shell body 140, and first external gear ring 500 rotates and installs in shell body 140, through setting up apron 130, is convenient for support first external gear ring 500, on the one hand, is favorable to reducing external interference, and the protection effect is good, and dodges groove 190 has been seted up to shell body 140's lower extreme, and three first (mixing) shaft 300 rotates and installs in dodging groove 190, does not influence the rotation of three first (mixing) shaft 300.

Example 3

The present embodiment is intended to facilitate solving the problem of how to further reduce foam defoaming, and is an improvement made on the basis of embodiment 2, specifically, referring to fig. 1-7, a second external gear 600 is mounted on the inner walls of three first gears 330 in a meshed manner, the second external gear 600 is rotatably mounted in a groove body 520, a second stirring shaft 400 is fixedly mounted in the middle of the second external gear 600, a connecting block 410 is disposed at the lower end of the second stirring shaft 400, and the connecting block 410 is fixedly connected with the inner cylinder 200.

The motor 160 is used as a driving piece to drive the three first gears 330 to rotate, the three first gears 330 also drive the second external gear 600 to rotate in the rotating process, the second external gear 600 drives the second stirring shaft 400 to rotate, the inner cylinder 200 rotates under the action of the connecting block 410, and the rotating direction of the inner cylinder 200 is opposite to the rotating direction of the three first gears 330 through the cooperation of the gears, namely, the rotating direction of the inner cylinder 200 is opposite to the rotating direction of the three first stirring shafts 300, so that the rotating efficiency of cement paste in the inner cylinder 200 is further improved, defoaming is convenient to reduce, and the mixing efficiency is greatly improved.

The inner cylinder 200 is positioned on the inner wall of the outer cylinder 100, is lower than the outer cylinder 100 in height, and is difficult to splash to the outer side of the device due to the fact that cement slurry in the inner cylinder 200 rotates under the action of the outer cylinder 100, so that the device has protection.

The upper end of the second stirring shaft 400 is fixedly provided with a third stirring shaft 420, the third stirring shaft 420 is inserted into the cover plate 130 and rotatably installed in the foam cylinder 150, and the periphery of the third stirring shaft 420 is fixedly provided with a third stirring blade 430.

The second stirring shaft 400 also drives the third stirring shaft 420 to rotate in the rotating process, that is, the third stirring blade 430 can rotate in the foam cylinder 150, so that the possibility of defoaming of the foam cylinder 150 is greatly reduced, and the use is convenient.

The motor 160 is used as a unique driving piece, so that the operation of a plurality of mechanisms of the device is convenient to drive, the driving mechanism is saved, and the production cost is reduced.

Example 4

The invention also discloses a preparation method of the foam concrete, which comprises the following steps:

s01: first, the operator pours the prepared cement and water into the inner cylinder 200, prepares the aqueous foaming agent solution into foam, and pours the foam into the foam cylinder 150 through the foaming agent.

S02: the motor 260 is started to enable the second gear 510, the first external gear ring 500, the three first gears 330, the first stirring shaft 300, the second external gear 600 and the second stirring shaft 400 to rotate, the first gear 330 drives the stirring frame 700 to rotate, and the second stirring shaft 400 drives the inner cylinder 200 to rotate so as to mix cement and water to form cement paste.

S03: the foam flows down through the first stirring shaft 300 and is then mixed with the cement slurry from the gaps of the first stirring vane 710 and the second stirring vane 720.

S04: finally, the valve at the discharge pipe 180 is opened, and the finished product is discharged from the discharge pipe 180.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (9)

1. A foam concrete preparation system, characterized by: including outer barrel (100), the lower extreme fixed mounting of outer barrel (100) has supporting leg (110), the periphery fixed mounting of outer barrel (100) has bracing piece (120), install apron (130) on bracing piece (120), be provided with foam section of thick bamboo (150) on apron (130), first (300) stirring shaft (300) are installed in the lower extreme rotation of apron (130), first (300) stirring shaft is hollow structure, feed inlet (170) have been seted up to the lower extreme of foam section of thick bamboo (150), feed inlet (170) with first (300) stirring shaft's) are linked together, the lower extreme fixed mounting of first (300) stirring shaft has hollow tube (320), be equipped with spout (310) on the lateral wall of hollow tube (320), be equipped with stirring frame (700) in spout (310), stirring frame (700) include first stirring leaf (710) and second stirring leaf (720) that are connected with hollow tube (320) lower extreme inner wall, first stirring leaf (710) and second (720) are connected with hollow tube (320) stirring plate (730), stirring plate (730) are all connected to the guide plate (730).

2. A foam concrete preparation system according to claim 1, wherein: the first stirring blade (710) and the second stirring blade (720) are both rotationally connected with the hollow pipe (320), and an elastic piece (740) is commonly connected between the first stirring blade (710) and the second stirring blade (720).

3. A foam concrete preparation system according to claim 1 or 2, characterized in that: the inner rotary stirring device is characterized in that an inner cylinder body (200) is rotatably arranged in the outer cylinder body (100), the outer cylinder body (100) and the lower end of the inner cylinder body (200) are jointly communicated with a discharging pipe (180), a stirring piece (210) is fixedly arranged on the inner wall of the inner cylinder body (200), and the stirring piece (210) is connected with the side wall of the first stirring blade (710) and the side wall of the second stirring blade (720).

4. A foam concrete preparation system according to any one of claims 1-3, characterized in that: the middle part of first (300) stirring axle is provided with first gear (330), and is three the periphery of first gear (330) is provided with first outer ring gear (500), be equipped with cell body (520) on the inner wall of first outer ring gear (500), cell body (520) with first (300) stirring axle alternates and is connected.

5. A foam concrete preparation system as claimed in claim 4 wherein: an inner gear ring (530) is arranged on the groove wall of the groove body (520), the inner gear ring (530) is connected with the first gear (330) in a meshed mode, a second gear (510) is installed on the periphery of the first outer gear ring (500) in a meshed mode, a motor (160) is connected to the upper end of the second gear (510), and the upper end of the motor (160) is fixedly installed on the cover plate (130).

6. A foam concrete preparation system as claimed in claim 5, wherein: the lower extreme fixed mounting of apron (130) has shell body (140), first external gear ring (500) rotate and install in shell body (140), dodge groove (190) has been seted up to the lower extreme of shell body (140), three first (300) rotation is installed dodge in groove (190).

7. A foam concrete preparation system as claimed in claim 6, wherein: the three inner walls of the first gears (330) are provided with second outer gears (600) in a meshed mode, the second outer gears (600) are rotatably arranged in the groove bodies (520), second stirring shafts (400) are fixedly arranged in the middle of the second outer gears (600), connecting blocks (410) are arranged at the lower ends of the second stirring shafts (400), and the connecting blocks (410) are fixedly connected with the inner cylinder body (200).

8. A foam concrete preparation system as claimed in claim 7 wherein: the upper end of the second stirring shaft (400) is fixedly provided with a third stirring shaft (420), the third stirring shaft (420) is inserted into the cover plate (130) and rotatably installed in the foam cylinder (150), and the periphery of the third stirring shaft (420) is fixedly provided with a third stirring blade (430).

9. A method of preparing a foamed concrete according to any one of claims 1 to 8, comprising the steps of:

s01: firstly, pouring the prepared cement and water into the inner cylinder (200) by an operator, preparing a foaming agent aqueous solution into foam, and pouring the foam into the foam cylinder (150) through the foaming agent;

s02: starting the motor (260) to enable the second gear (510), the first external gear ring (500), the three first gears (330), the first stirring shaft (300), the second external gear (600) and the second stirring shaft (400) to rotate, the first gear (330) drives the stirring frame (700) to rotate, and the second stirring shaft (400) drives the inner cylinder (200) to rotate so as to mix cement and water to form cement paste;

s03: the foam flows downwards through the first stirring shaft (300) and is then mixed with cement slurry from the gaps of the first stirring blade (710) and the second stirring blade (720);

s04: and finally, opening a valve at the discharge pipe (180), and enabling the finished product to flow out of the discharge pipe (180).