A kind of anti-cracking device for autoclaved aerated concrete blocks

Abstract

The utility model discloses an autoclaved aerated concrete block anti-cracking device, comprising a mounting plate, a placing rack fixedly connected to the top of the mounting plate, a autoclaved frame penetrating the top of the placing rack, two symmetrically distributed supporting seats fixedly connected in the autoclaved frame, a mold assembly slidably arranged in the autoclaved frame, and a mixing mechanism arranged on the mounting plate; the mixing mechanism comprises two fixed brackets fixedly connected to the top of the mounting plate, a same mixing box fixedly connected between the two fixed brackets, and the utility model relates to the technical field of aerated concrete; the autoclaved aerated concrete block anti-cracking device can add air entraining agent, foam stabilizer and aluminum powder paste to concrete raw materials in proportion through the arranged mixing mechanism, so that the paste is evenly distributed after mixing and stirring, thereby improving the crack resistance of the concrete blocks after forming, and achieving better use effect.

Description

Technical Field

[0001] The utility model relates to the technical field of aerated concrete, in particular to an autoclaved aerated concrete block anti-cracking device. Background Art

[0002] In the field of construction, bricks are one of the commonly used and indispensable materials in construction. There are many types of bricks and concrete blocks are one of them. As we all know, autoclaved aerated concrete blocks in concrete blocks are made of fly ash, lime, cement, gypsum, slag and other main raw materials, with appropriate amount of gas generating agent, regulator, bubble stabilizer, and a porous concrete product made through the process of batching, mixing, pouring, static stopping, cutting and high pressure steam curing.

[0003] The publication number CN 219946676 U discloses an autoclaved aerated concrete block production autoclaving device, comprising a bottom plate, a support leg fixedly mounted on the top of the bottom plate, a rotating decompression mechanism fixedly mounted on the top of the support leg, and an autoclaving mechanism fixedly mounted on the back of the bottom plate. The autoclaved aerated concrete block production autoclaving device, through the rotating decompression mechanism, during use, by placing the concrete block into the interior of the concrete block frame, closing the opening cover 1 and the opening cover 2, so that the clamp head is clamped into the interior of the clamping slot block, fixing it by a threaded screw rod, closing the top plate, driving the motor to rotate the concrete block for autoclaving, when the pressure inside the autoclave is too high, it will push the counterweight block to rise, and the excessive heat inside will be conducted to the outside from the ventilated hollow column, while realizing the function of decompressing the concrete block autoclave device, the uniformity of the concrete block autoclaving is improved.

[0004] However, the autoclave device has the following disadvantages: the device can autoclave concrete blocks when in use, but in actual use, the concrete blocks are prone to cracking and damage during the production process, which affects the use effect.

[0005] To this end, the utility model provides an autoclaved aerated concrete block anti-cracking device to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an autoclaved aerated concrete block anti-cracking device to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: an autoclaved aerated concrete block anti-cracking device, comprising a mounting plate, a placement rack is fixedly connected to the top of the mounting plate, a autoclave frame is connected through the top of the placement rack, two symmetrically distributed support seats are fixedly connected in the autoclave frame, a mold assembly is slidably arranged in the autoclave frame, and a mixing mechanism is arranged on the mounting plate;

[0008] The mixing mechanism includes two fixed brackets fixedly connected to the top of the mounting plate, a mixing box is fixedly connected between the two fixed brackets, two feeding pipes are connected through the bottom of the mixing box, both feeding pipes are fixedly connected with switch valves, a partition is fixedly connected inside the mixing box, a transmission shaft is rotatably connected through the partition, a plurality of main stirring paddles are fixedly sleeved on the transmission shaft, two symmetrically distributed linkage shafts are rotatably penetrated on the partition, a plurality of auxiliary stirring paddles are fixedly sleeved on the two linkage shafts, and a driving assembly is provided on the mixing box.

[0009] Preferably, the driving assembly includes a driving motor fixedly connected to the top of the mixing box, the top end of the transmission shaft rotates and passes through the outside of the mixing box, the transmission shaft is connected to the output shaft of the driving motor, single-row wheels are fixedly provided on the two linkage shafts, double-row wheels are fixedly provided on the transmission shaft, two synchronous belts are wound around the double-row wheels, one side of the two synchronous belts are respectively wound around the corresponding single-row wheels, and the set driving assembly can drive the transmission shaft and the linkage shaft to rotate synchronously, so that the main stirring paddle and the auxiliary stirring paddle rotate synchronously to stir the mixture, which is convenient for control.

[0010] Preferably, the mold assembly includes a mold body slidably arranged in the autoclave frame, the bottom of the mold body is in contact with the support seat, the top of the mold body is provided with a plurality of molding grooves, and the top of the mold body is fixedly connected with a guide baffle, so that the setting of the mold assembly can facilitate the molding of concrete blocks.

[0011] Preferably, four symmetrically distributed multi-stage push rods are fixedly connected to the bottom of the mixing box, and the output ends of the four multi-stage push rods are fixedly connected to the same push plate, and two drop-out openings are provided on the push plate. The multi-stage push rods and push plates are used in combination to facilitate the extrusion of the mixed material in the autoclave frame and compact it in the forming groove.

[0012] Preferably, a protective cover is fixedly connected to the bottom of the mounting plate, a base is fixedly connected to the bottom of the protective cover, an extension tube is arranged in the protective cover, a plurality of short tubes are connected through the top of the extension tube, a long tube is fixedly connected to the top of the short tube, a plurality of nozzles are connected through the top of the long tube, the top of the nozzle extends into the placement rack, a steam generator is fixedly connected to the top of the base, the output end of the steam generator is connected to the extension tube, and the protective cover, base, extension tube, short tube, long tube, nozzle and steam generator are used in combination to facilitate the uniform delivery of steam to the placement rack.

[0013] Preferably, a water tank is fixedly connected to the top of the base, a circulation pipe is connected through the top of the water tank, the top of the circulation pipe extends into the placement rack, and the input end of the steam generator is fixedly connected to a water suction pipe, one end of the water suction pipe extends into the water tank. The circulating pipe can make the cooling water condensed in the placement rack flow back into the water tank, and at the same time can conveniently provide clean water to the steam generator for easy use.

[0014] Preferably, two symmetrically distributed ventilation ports are fixedly connected to the top of the placement rack, and dust filters are fixedly connected to the two ventilation ports. The combination of the ventilation ports and dust filters can facilitate the circulation of steam in the placement rack, thereby facilitating the heating of the autoclave frame.

[0015] Beneficial Effects

[0016] The utility model provides an autoclaved aerated concrete block anti-cracking device. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The autoclaved aerated concrete block anti-cracking device can add air entraining agent, foam stabilizer and aluminum powder paste to the concrete raw materials in proportion through the provided mixing mechanism, so that the air entraining agent, foam stabilizer and aluminum powder paste are evenly distributed after mixing and stirring, thereby improving the anti-cracking ability of the concrete blocks after forming, and achieving better use effect.

[0018] (2) The autoclaved aerated concrete block anti-cracking device can drive the push plate to press the mixed material on the mold assembly through the multi-stage push rod, so that the mixed material is compacted in the molding groove, which is convenient for rapid molding and has a better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0020] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the module assembly in the utility model;

[0022] Figure 4 It is a schematic diagram of the distribution structure of multiple nozzles in the utility model.

[0023] In the figure: 1. mounting plate; 2. placement rack; 3. autoclave frame; 4. support seat; 5. mold assembly; 51. mold body; 52. molding groove; 53. guide baffle; 6. fixed bracket; 7. mixing box; 8. feeding pipe; 9. switch valve; 10. partition; 11. transmission shaft; 12. main stirring paddle; 13. linkage shaft; 14. auxiliary stirring paddle; 15. driving motor; 16. single-row wheel; 17. double-row wheel; 18. synchronous belt; 19. multi-stage push rod; 20. push plate; 21. feeding port; 22. protective cover; 23. base; 24. extension pipe; 25. short pipe; 26. long pipe; 27. nozzle; 28. steam generator; 29. ​​water tank; 30. circulation pipe; 31. water suction pipe; 32. ventilation port; 33. dust filter. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figure 1 , Figure 2 and Figure 3 , an autoclaved aerated concrete block anti-cracking device, comprising a mounting plate 1, a placing frame 2 is fixedly connected to the top of the mounting plate 1, a autoclave frame 3 is connected through the top of the placing frame 2, two symmetrically distributed support seats 4 are fixedly connected in the autoclave frame 3, a mold assembly 5 is slidably arranged in the autoclave frame 3, and a mixing mechanism is arranged on the mounting plate 1;

[0027] The mixing mechanism includes two fixed brackets 6 fixedly connected to the top of the mounting plate 1, a mixing box 7 is fixedly connected between the two fixed brackets 6, two feeding pipes 8 are connected through the bottom of the mixing box 7, and the two feeding pipes 8 are fixedly connected with a switch valve 9, a partition 10 is fixedly connected in the mixing box 7, a transmission shaft 11 is rotatably connected through the partition 10, a plurality of main stirring paddles 12 are fixedly sleeved on the transmission shaft 11, two symmetrically distributed linkage shafts 13 are rotatably connected through the partition 10, and a plurality of auxiliary stirring paddles 14 are fixedly sleeved on the two linkage shafts 13, and a driving component is provided on the mixing box 7;

[0028] The driving assembly includes a driving motor 15 fixedly connected to the top of the mixing box 7, the top end of the transmission shaft 11 rotates and passes through the outside of the mixing box 7, the transmission shaft 11 is connected to the output shaft of the driving motor 15, and the two linkage shafts 13 are fixedly provided with a single-row wheel 16, and the transmission shaft 11 is fixedly provided with a double-row wheel 17, and two synchronous belts 18 are wound around the double-row wheel 17, and one side of the two synchronous belts 18 is respectively wound around the corresponding single-row wheel 16; the mold assembly 5 includes a mold body 51 slidably arranged in the steaming frame 3, the bottom of the mold body 51 is in contact with the support seat 4, a plurality of molding grooves 52 are opened on the top of the mold body 51, and a guide baffle 53 is fixedly connected to the top of the mold body 51.

[0029] Embodiment 2:

[0030] See also Figures 1 to 4 This embodiment provides a technical solution based on the first embodiment: four symmetrically distributed multi-stage push rods 19 are fixedly connected to the bottom of the mixing box 7, and the output ends of the four multi-stage push rods 19 are fixedly connected to the same push plate 20, and two drop openings 21 are provided on the push plate 20; a protective cover 22 is fixedly connected to the bottom of the mounting plate 1, and a base 23 is fixedly connected to the bottom of the protective cover 22, and an extension pipe 24 is arranged in the protective cover 22, and a plurality of short pipes 25 are connected to the top of the extension pipe 24, and a long pipe 26 is fixedly connected to the top of the short pipe 25, and a plurality of nozzles are connected to the top of the long pipe 26 27, the top of the nozzle 27 extends into the placement rack 2, the top of the base 23 is fixedly connected to a steam generator 28, the output end of the steam generator 28 is connected to the extension pipe 24; the top of the base 23 is fixedly connected to a water tank 29, the top of the water tank 29 is penetrated by a circulation pipe 30, the top of the circulation pipe 30 extends into the placement rack 2, the input end of the steam generator 28 is fixedly connected to a water suction pipe 31, one end of the water suction pipe 31 extends into the water tank 29; the top of the placement rack 2 is fixedly connected to two symmetrically distributed ventilation ports 32, and dust filters 33 are fixedly connected to the two ventilation ports 32.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] Working principle: When in use, the operator places the mold assembly 5 in the autoclave frame 3, and then the raw materials of the concrete blocks include the following components in weight: 16-25 parts of flotation steel slag tailings, 22-34 parts of calcined urban sludge, 30-38 parts of fly ash, 7-11 parts of cement, 14-21 parts of lime, 1-3 parts of gypsum, and 5-8 parts of lignin fiber are added to the mixing box 7, and then 1.2-1.6 parts of air entraining agent, 0.1-0.4 parts of foam stabilizer, and 0.06-0.1 parts of aluminum powder paste are added into the mixing box 7 for mixing, and at the same time, the drive motor 15 can be started, and the drive motor 15 drives the connected transmission shaft 11 to rotate, and the transmission shaft 11 drives the double-row wheels 17 to rotate, and the double-row wheels 17 drive the two single-row wheels 16 to rotate through two synchronous belts 18. At this time, the transmission shaft 11 and the linkage shaft 13 rotate synchronously, and the main stirring paddle 12 and the auxiliary stirring paddle 14 stir the mixture in the mixing box 7. After stirring evenly, the switch valve 9 can be opened to allow the mixture in the mixing box 7 to enter the autoclave frame 3 through the discharge pipe 8, and then the multi-stage push rod 19 is started. The multi-stage push rod 19 drives the push plate 20 to descend until it enters the placement rack 2 to extrude the mixture and compact it in the forming groove 52. Then the steam generator 28 is started. The steam generator 28 heats the clean water in the water tank 29 into steam and then enters the placement rack 2 to autoclave the concrete blocks in the mold assembly 5. After the autoclave is completed, the operator pulls up the guide baffle 53 to take the mold assembly 5 out of the autoclave frame 3, and after replacing it, the next round of processing can be carried out.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An autoclaved aerated concrete block anti-cracking device, comprising a mounting plate (1), characterized in that: The top of the mounting plate (1) is fixedly connected to a placement rack (2), the top of the placement rack (2) is penetrated by a steaming frame (3), two symmetrically distributed support seats (4) are fixedly connected inside the steaming frame (3), a mold assembly (5) is slidably arranged inside the steaming frame (3), and a mixing mechanism is arranged on the mounting plate (1); The mixing mechanism comprises two fixed brackets (6) fixedly connected to the top of the mounting plate (1); a mixing box (7) is fixedly connected between the two fixed brackets (6); two feeding pipes (8) are connected through the bottom of the mixing box (7); both feeding pipes (8) are fixedly connected with a switch valve (9); a partition (10) is fixedly connected inside the mixing box (7); a transmission shaft (11) is rotatably connected through the partition (10); a plurality of main stirring paddles (12) are fixedly sleeved on the transmission shaft (11); two symmetrically distributed linkage shafts (13) are rotatably connected through the partition (10); a plurality of auxiliary stirring paddles (14) are fixedly sleeved on the two linkage shafts (13); and a driving component is arranged on the mixing box (7).

2. The autoclaved aerated concrete block anti-cracking device according to claim 1, characterized in that: The driving assembly comprises a driving motor (15) fixedly connected to the top of the mixing box (7); the top end of the transmission shaft (11) rotates and passes through the outside of the mixing box (7); the transmission shaft (11) is connected to the output shaft of the driving motor (15); single-row wheels (16) are fixedly sleeved on the two linkage shafts (13); double-row wheels (17) are fixedly sleeved on the transmission shaft (11); two synchronous belts (18) are wound around the double-row wheels (17); one side of the two synchronous belts (18) is respectively wound around the corresponding single-row wheels (16).

3. The autoclaved aerated concrete block anti-cracking device according to claim 2, characterized in that: The mold assembly (5) comprises a mold body (51) slidably arranged in the autoclave frame (3), the bottom of the mold body (51) is in contact with the support seat (4), the top of the mold body (51) is provided with a plurality of molding grooves (52), and the top of the mold body (51) is fixedly connected with a guide baffle (53).

4. The autoclaved aerated concrete block anti-cracking device according to claim 1, characterized in that: The bottom of the mixing box (7) is fixedly connected to four symmetrically distributed multi-stage push rods (19), and the output ends of the four multi-stage push rods (19) are fixedly connected to the same push plate (20), and the push plate (20) is provided with two drop openings (21).

5. The autoclaved aerated concrete block anti-cracking device according to claim 1, characterized in that: The bottom of the mounting plate (1) is fixedly connected to a protective cover (22), the bottom of the protective cover (22) is fixedly connected to a base (23), an extension tube (24) is arranged inside the protective cover (22), a plurality of short tubes (25) are connected through the top of the extension tube (24), a long tube (26) is fixedly connected to the top of the short tube (25), a plurality of nozzles (27) are connected through the top of the long tube (26), the top of the nozzle (27) extends into the placement rack (2), a steam generator (28) is fixedly connected to the top of the base (23), and the output end of the steam generator (28) is connected to the extension tube (24).

6. The autoclaved aerated concrete block anti-cracking device according to claim 5, characterized in that: The top of the base (23) is fixedly connected to a water tank (29), the top of the water tank (29) is penetrated by a circulation pipe (30), the top of the circulation pipe (30) extends into the placement rack (2), and the input end of the steam generator (28) is fixedly connected to a water suction pipe (31), one end of the water suction pipe (31) extends into the water tank (29).

7. The autoclaved aerated concrete block anti-cracking device according to claim 1, characterized in that: Two symmetrically distributed ventilation ports (32) are fixedly connected to the top of the placement rack (2), and dust filter screens (33) are fixedly connected inside the two ventilation ports (32).

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