CN219095417U

CN219095417U - Pouring device for steam pressurized concrete block production

Info

Publication number: CN219095417U
Application number: CN202223425027.4U
Authority: CN
Inventors: 张海江; 康彦彬; 刘康; 黄丽峰
Original assignee: Hebei Haiqing Huacai Industrial Housing Technology Co ltd
Current assignee: Hebei Haiqing Huacai Industrial Housing Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-30
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a pouring device for producing steam-pressurized concrete blocks, which comprises a frame, a lifting driving mechanism, a lifting frame and a defoaming mechanism, wherein a storage tank is arranged on the frame, a feed inlet is arranged at the top of the storage tank, a vertical discharge pipe is arranged at the bottom of the storage tank, a transverse pouring pipe is arranged at the bottom of the vertical discharge pipe, both ends of the transverse pouring pipe are of an open structure, and the lifting driving mechanism is arranged on the frame and drives the lifting frame to vertically lift. When pouring concrete to the mould frame, the lifting driving mechanism defoaming mechanism descends to the inside of the mould frame, the vertical rotating shaft and the defoaming rod vibrate slurry, meanwhile, the vertical rotating shaft and the defoaming rod are lifted and rotated, the vertical rotating shaft and the defoaming rod can be contacted with slurry at different height positions, the defoaming effect is improved, bubble elimination is promoted, the defoaming device is not required to be used for defoaming after pouring is completed, time is saved, and production efficiency is improved.

Description

Pouring device for steam pressurized concrete block production

Technical Field

The utility model relates to the technical field of concrete block production, in particular to a pouring device for steam pressurized concrete block production.

Background

At present, in the autoclaved aerated concrete block production process, concrete is poured into a mold frame through a pouring device, and as slurry is entrained with air in the process of pouring the mold frame, the air is wrapped by the slurry to form large bubbles, the diameter of the large bubbles can reach more than 10mm, and the autoclaved aerated concrete block has multiple communication holes and uneven pore structure, so that the heat preservation and heat insulation performance, the mechanical property and the like of the autoclaved aerated concrete are greatly influenced. Therefore, how to quickly discharge air mixed in the slurry after the slurry is injected into the mold frame, eliminate bubbles in the slurry, and control the uniform distribution of the size of pores in the slurry in the process of foaming, expanding and thickening in the mold frame is always a problem to be solved by the autoclaved aerated concrete block production process.

At present, a gravity vibration method is generally adopted to eliminate large bubbles in slurry before the slurry is stopped and aerated after being injected into a mold frame. The utility model disclosed in the application number CN201922478735.6 discloses an aerated concrete block production mould with a defoaming structure, and the produced vibration is used for defoaming slurry in a mould shell by being provided with a vibration roller. However, because the slurry is a solid-liquid-gas three-phase mixed system, the gravity vibration easily causes local solid-liquid separation, thereby adversely affecting the subsequent gas expansion process.

Moreover, the device is used for defoaming after pouring, so that the time consumption is long, and if the defoaming can be performed during pouring, the production period can be greatly shortened, and therefore, a pouring device capable of defoaming during pouring needs to be developed to solve the problems.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of Invention

In view of the above, it is desirable to provide a casting device for producing steam-pressurized concrete blocks.

In order to achieve the above purpose, the utility model provides a pouring device for producing steam pressurized concrete blocks, which comprises a frame, wherein a storage tank is arranged on the frame, a feed inlet is arranged at the top of the storage tank, a vertical discharging pipe is arranged at the bottom of the storage tank, a transverse pouring pipe is arranged at the bottom of the vertical discharging pipe, two ends of the transverse pouring pipe are of an open structure, and the pouring device also comprises a lifting driving mechanism, a lifting frame and a defoaming mechanism, wherein the lifting driving mechanism is arranged on the frame and drives the lifting frame to vertically lift; the defoaming mechanism comprises an ultrasonic generator and a plurality of vertical rotating shafts, wherein the ultrasonic generator and the plurality of vertical rotating shafts are arranged on the lifting frame, the vertical rotating shafts are distributed in a rectangular mode and are rotatably arranged on the lifting frame, a cavity is formed in each vertical rotating shaft, an ultrasonic transducer is arranged in the cavity, the ultrasonic generator is electrically connected with the ultrasonic transducer, a plurality of defoaming rods are arranged at the lower portion of each vertical rotating shaft, and the vertical rotating shafts are in transmission connection through a transmission assembly.

Preferably, a vertical plate is fixed on the frame, and a rack is arranged at the lower part of the vertical plate; a first bevel gear is arranged at the top of one vertical rotating shaft, a transverse rotating shaft is rotatably arranged on the lifting frame, a cylindrical gear and a second bevel gear are arranged on the transverse rotating shaft, the second bevel gear is meshed with the first bevel gear, and the cylindrical gear is meshed with the rack.

Preferably, the number of teeth of the rack is smaller than the number of teeth of the cylindrical gear.

Preferably, the lifting driving mechanism comprises a winch, and one end of a steel wire rope of the winch is connected with the lifting frame.

Preferably, the lifting driving mechanism further comprises a guide sleeve and a guide rod, the winch and the guide sleeve are fixedly arranged on the frame, the guide sleeve is arranged in a plurality, the guide rod is slidably arranged in the guide sleeve, and the lower end of the guide rod is fixedly connected with the lifting frame.

Preferably, the transmission assembly comprises a chain wheel and a chain, wherein the chain wheel is arranged on each rotating shaft, and the chain wheels are in transmission connection through the chain.

Preferably, a discharge valve is arranged on the vertical discharge pipe.

Compared with the prior art, the technical scheme has the following beneficial effects:

1. when concrete is poured into the mold frame, the lifting driving mechanism drives the vertical rotating shaft and the defoaming rod to descend into the mold frame, and the ultrasonic generator drives the ultrasonic transducer to work, so that the vertical rotating shaft and the defoaming rod vibrate the slurry, bubble elimination is promoted, defoaming is not required to be performed by using a defoaming device after pouring is completed, time is saved, and production efficiency is improved;

2. during pouring concrete in the mould frame, the lifting driving mechanism drives the lifting frame to lift in a reciprocating manner, and drives the transverse rotating shaft to rotate in a reciprocating manner through meshing of the cylindrical gear and the rack, so that the vertical rotating shaft and the defoaming rod can lift and rotate simultaneously and can be contacted with slurries at different height positions, and the defoaming effect is improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a side view of one embodiment of the present utility model;

FIG. 3 is another state diagram of an embodiment of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

in the figure, 1, a rack; 2. a storage tank; 3. a feed inlet; 4. a vertical discharging pipe; 5. transversely pouring the pipe; 6. a lifting frame; 7. an ultrasonic generator; 8. a vertical rotating shaft; 9. a cavity; 10. an ultrasonic transducer; 11. a defoaming rod; 12. a riser; 13. a rack; 14. a first bevel gear; 15. a transverse rotating shaft; 16. a cylindrical gear; 17. a second bevel gear; 18. a hoist; 19. a guide sleeve; 20. a guide rod; 21. a sprocket; 22. a chain; 23. a discharge valve; 24. and (5) a mold frame.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 4, the embodiment of the application provides a pouring device for producing steam-pressurized concrete blocks, which comprises a frame 1, wherein a storage tank 2 is installed on the frame 1, a feed inlet 3 is arranged at the top of the storage tank 2, a stirring motor is also installed at the top of the storage tank 2, a stirring assembly in transmission connection with the stirring motor is arranged in the storage tank 2, a vertical discharging pipe 4 is arranged at the bottom of the storage tank 2, a transverse pouring pipe 5 is installed at the bottom of the vertical discharging pipe 4, two ends of the transverse pouring pipe 5 are of an open structure, and the pouring device further comprises a lifting driving mechanism, a lifting frame 6 and a defoaming mechanism, wherein the lifting driving mechanism is installed on the frame 1 and drives the lifting frame 6 to vertically lift; the defoaming mechanism comprises an ultrasonic generator 7 and a plurality of vertical rotating shafts 8 which are arranged on the lifting frame 6, the vertical rotating shafts 8 are distributed in a rectangular shape and are rotatably arranged on the lifting frame 6, and the vertical rotating shafts 8 can be rotatably arranged on the transverse moving frame 34 through elastic bearings so as to reduce vibration influence; a cavity 9 is arranged in the vertical rotating shaft 8, an ultrasonic transducer 10 is arranged in the cavity 9, the ultrasonic generator 7 is electrically connected with the ultrasonic transducer 10, the ultrasonic generator 7 converts commercial power into a high-frequency alternating current signal matched with the ultrasonic transducer 10, and the ultrasonic transducer 10 is driven to work, so that the defoaming rotating shaft and the defoaming rod 11 vibrate slurry to promote bubble elimination; a plurality of defoaming bars 11 are installed to vertical pivot 8 lower part, are connected through drive assembly transmission between each vertical pivot 8, when vertical pivot 8 goes up and down, rotate through driving one of them vertical pivot 8, can drive other each vertical pivots 8 through drive assembly and rotate for vertical pivot 8 and defoaming bar 11 are at the interior limit of mould frame 24 and are gone up and down the limit rotation, be convenient for with the ground paste contact of different high positions, thereby improve defoaming effect.

In order to facilitate the rotation of the vertical rotating shaft 8 when the vertical rotating shaft is lifted in the die frame 24, a vertical plate 12 is fixed on the machine frame 1, and a rack 13 is arranged at the lower part of the vertical plate 12; a first bevel gear 14 is arranged at the top of one vertical rotating shaft 8, a transverse rotating shaft 15 is rotatably arranged on the lifting frame 6, a cylindrical gear 16 and a second bevel gear 17 are arranged on the transverse rotating shaft 15, the second bevel gear 17 is in meshed connection with the first bevel gear 14, and the cylindrical gear 16 is in meshed connection with the rack 13.

In order to avoid that the rotation angle of the vertical rotating shaft 8 exceeds 360 degrees, the lead wires of the ultrasonic generator 7 and the ultrasonic transducer 10 are wound, and the number of teeth of the rack 13 is smaller than that of the cylindrical gear 16.

For driving the lifting frame 6 to lift, a lifting driving mechanism is arranged and comprises a winch 18, and one end of a steel wire rope of the winch 18 is connected with the lifting frame 6.

In order to enable the hoist 18 to drive the lifting frame 6 to stably and linearly lift, the lifting driving mechanism further comprises a guide sleeve 19 and a guide rod 20, the hoist 18 and the guide sleeve 19 are fixedly arranged on the frame 1, the guide sleeves 19 are arranged in a plurality, the guide rod 20 is slidably arranged in the guide sleeve 19, and the lower end of the guide rod 20 is fixedly connected with the lifting frame 6.

In order to keep stable transmission connection among the rotating shafts, a transmission assembly is arranged and comprises chain wheels 21 and chains 22, the chain wheels 21 are arranged on the rotating shafts, the chain wheels 21 are in transmission connection through the chains 22, and the chains 22 enclose the vertical discharging pipe 4 and cannot be in contact with the vertical discharging pipe 4.

In order to control the slurry output by the vertical discharging pipe 4 in the storage tank 2 conveniently, a discharging valve 23 is arranged on the vertical discharging pipe 4.

The pouring step is carried out by the device:

s1, a mold frame 24 is moved to the position right below a transverse pouring pipe 5;

s2, referring to FIG. 3, the winch 18 unwinds to drive the lifting frame 6 to descend, and the vertical rotating shaft 8 and the defoaming rod 11 enter the die frame 24;

s3, opening a discharge valve 23, enabling slurry in the storage tank 2 to enter the transverse pouring pipe 5 through the vertical discharge pipe 4, and discharging slurry into the die frame 24 through openings at two ends of the transverse pouring pipe 5;

s4, starting an ultrasonic generator 7, converting commercial power into a high-frequency alternating current signal matched with an ultrasonic transducer 10 by the ultrasonic generator 7, and driving the ultrasonic transducer 10 to work, so that a vertical rotating shaft 8 and a defoaming rod 11 vibrate slurry, and bubble elimination is promoted;

s5, the winding engine 18 circularly winds and unwinds, the steel wire drives the lifting frame 6 to lift reciprocally, the cylindrical gear 16 is meshed with the rack 13, and drives the transverse rotating shaft 15 to rotate reciprocally and positively, and the rotating angle is smaller than 360 degrees, so that the vertical rotating shaft 8 and the defoaming rod 11 rotate while lifting and falling, can contact with slurries at different height positions, and improves the defoaming effect;

s6, after pouring is finished, the winch 18 is wound, the lifting frame 6 is driven to ascend and reset, the vertical rotating shaft 8 and the defoaming rod 11 are far away from the die frame 24, and the die frame 24 can be transferred to the next station.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims

1. The utility model provides a pouring device is used in production of steam pressurization concrete block, including frame (1), install storage tank (2) on frame (1), storage tank (2) top is equipped with feed inlet (3), storage tank (2) bottom is equipped with vertical discharging pipe (4), horizontal pouring pipe (5) are installed to vertical discharging pipe (4) bottom, horizontal pouring pipe (5) both ends are open structure, its characterized in that, still include elevating drive mechanism, crane (6) and defoaming mechanism, elevating drive mechanism installs on frame (1) and drives crane (6) vertical lift; the defoaming mechanism comprises an ultrasonic generator (7) and a plurality of vertical rotating shafts (8) which are arranged on a lifting frame (6), wherein the vertical rotating shafts (8) are distributed in a rectangular shape and are rotatably arranged on the lifting frame (6), a cavity (9) is formed in each vertical rotating shaft (8), an ultrasonic transducer (10) is arranged in each cavity (9), the ultrasonic generator (7) is electrically connected with the ultrasonic transducer (10), a plurality of defoaming rods (11) are arranged at the lower part of each vertical rotating shaft (8), and the vertical rotating shafts (8) are in transmission connection through a transmission assembly.

2. Pouring device for the production of steam-pressurized concrete blocks according to claim 1, characterized in that a riser (12) is fixed on the frame (1), and a rack (13) is installed at the lower part of the riser (12); a first bevel gear (14) is arranged at the top of one vertical rotating shaft (8), a transverse rotating shaft (15) is rotatably arranged on a lifting frame (6), a cylindrical gear (16) and a second bevel gear (17) are arranged on the transverse rotating shaft (15), the second bevel gear (17) is connected with the first bevel gear (14) in a meshed mode, and the cylindrical gear (16) is used for being connected with a rack (13) in a meshed mode.

3. Pouring device for the production of steam-pressurized concrete blocks according to claim 2, characterized in that the number of teeth of the rack (13) is smaller than the number of teeth of the spur gear (16).

4. Pouring device for the production of steam-pressurized concrete blocks according to claim 1, characterized in that the lifting drive mechanism comprises a winch (18), one end of the wire rope of the winch (18) being connected to the lifting frame (6).

5. The pouring device for producing the steam-pressurized concrete block according to claim 4, wherein the lifting driving mechanism further comprises a guide sleeve (19) and a guide rod (20), the winch (18) and the guide sleeve (19) are fixedly arranged on the frame (1), the guide sleeves (19) are arranged in a plurality, the guide rod (20) is slidably arranged in the guide sleeve (19), and the lower end of the guide rod (20) is fixedly connected with the lifting frame (6).

6. Pouring device for the production of steam-pressurized concrete blocks according to claim 1, characterized in that the transmission assembly comprises chain wheels (21) and chains (22), wherein the chain wheels (21) are arranged on each rotating shaft, and the chain wheels (21) are in transmission connection through the chains (22).

7. Pouring device for the production of steam-pressurized concrete blocks according to claim 1, characterized in that the vertical discharge pipe (4) is fitted with a discharge valve (23).