Automatic demolding device for autoclaved aerated concrete block and use method thereof

Abstract

The application relates to the technical field of automatic demolding devices, and proposes an autoclaved aerated concrete block automatic demolding device and a use method, wherein the autoclaved aerated concrete block automatic demolding device comprises a demolding device body, an oil cylinder and a mold frame are installed on the demolding device body, and the demolding device body further comprises a lifting frame, a lower pressing plate, hook pull rods and an upper lifting assembly; the lifting frame is provided with two lifting frames which are fixedly installed at the top end of the mold frame; the output end of the oil cylinder is fixedly installed with the lower pressing plate; the hook pull rods are provided with four hook pull rods, two hook pull rods form a group, and two groups of hook pull rods are arranged on the lower pressing plate through two rotating adjusting assemblies; the upper lifting assembly is provided with two upper lifting assemblies which are arranged on the lower pressing plate and used for driving the hook pull rods to rotate and contact the lifting frame. Through the technical scheme, the problem that the mold frame and the lifting component need to be connected through bolts when the mold frame needs to be lifted in the prior art, thereby being relatively labor-consuming, is solved.

Description

Technical Field

[0001] This invention relates to the field of automatic demolding devices, specifically to an automatic demolding device for autoclaved aerated concrete blocks and its usage method. Background Technology

[0002] Autoclaved aerated concrete (AAC) blocks are lightweight, porous silicate wall materials made primarily from siliceous and calcareous materials, with the addition of aluminum powder as a gas-generating agent. They are produced through batching, mixing, pouring, gas generation, quiet cutting, and high-pressure autoclaving. The blocks contain a large number of uniform, closed pores and are a core material for green and energy-saving buildings.

[0003] In the complete production process of autoclaved aerated concrete blocks, demolding is a necessary step connecting casting, cutting, and autoclaving. After the slurry releases gas and settles in the mold frame, it forms an integral blank. The mold frame is a reusable tool, so the blank needs to be removed and then the empty mold frame is moved to the casting station for the next batch of slurry to be poured.

[0004] During demolding, the mold frame containing the bricks is first moved to the demolding device. The output end of the hydraulic cylinder drives the lifting plate to move down and fit against the top of the mold frame. Then, the mold frame and the lifting plate are threaded together with bolts. Subsequently, the hydraulic cylinder drives the lifting plate and the mold frame to move up synchronously, thereby separating the mold frame from the bricks and achieving automatic demolding.

[0005] However, during demolding, workers need to use several bolts to connect the lifting template and the mold frame, and then disassemble them after demolding is completed. Therefore, the efficiency of installation and disassembly is low, and the bolts used for connection are usually large in size, making installation and disassembly more laborious. Summary of the Invention

[0006] This invention proposes an automatic demolding device and method for autoclaved aerated concrete blocks, which solves the problem in the prior art that the mold frame and the lifting component need to be connected by bolts when the mold frame needs to be lifted, which is quite laborious.

[0007] The technical solution of the present invention is as follows:

[0008] An automatic demolding device for autoclaved aerated concrete (AAC) blocks includes a demolding device body, on which a hydraulic cylinder and a mold frame are mounted. It also includes a lifting frame, a lower pressure plate, hook rods, and an upper lifting assembly. Two lifting frames are provided, each fixedly installed at the top of the mold frame. A weight block is fixedly installed at the bottom end of each hook rod. The lower pressure plate is fixedly installed at the output end of the hydraulic cylinder. Four hook rods are provided, arranged in pairs. Two pairs of hook rods are respectively mounted on the lower pressure plate via two rotating adjustment assemblies. Two upper lifting assemblies are provided, both mounted on the lower pressure plate, for driving the hook rods to rotate and contact the lifting frames.

[0009] When it is necessary to rotate the hook rod to contact the lifting frame, the rotation adjustment assembly further includes a rotating shaft, a stabilizing plate, and a synchronous drive assembly. The rotating shaft is rotatably mounted on the lower pressure plate via a mounting plate, and a set of hook rods is fixedly mounted on each rotating shaft. The stabilizing plate is fixedly mounted on the side of the rotating shaft. The synchronous drive assembly is disposed on two rotating shafts. The synchronous drive assembly includes a synchronous gear ring, a synchronous gear, and a synchronous shaft. The synchronous gear ring is fixedly mounted on both rotating shafts, and the synchronous gear meshes with both synchronous gear rings. The synchronous shaft is rotatably mounted on the lower pressure plate via a support frame, and the two synchronous gears are coaxially and fixedly connected to both ends of the synchronous shaft.

[0010] When it is necessary to release the hook rod, the upper assembly further includes a fixed rod, a telescopic spring, a support seat, and a sliding limit assembly. The fixed rod is slidably mounted on the lower pressure plate. Two telescopic springs are provided, and both telescopic springs are fixedly mounted on the bottom end of the lower pressure plate. The support seat is fixedly mounted on the other end of the two telescopic springs and is fixedly connected to the bottom end of the fixed rod. The sliding limit assembly is located at the bottom end of the lower pressure plate and includes a vertical slide rail and a sliding rod. Two vertical slide rails are provided, and both vertical slide rails are fixedly mounted on the bottom end of the lower pressure plate. The sliding rod is slidably mounted on the side of each vertical slide rail, and the support seat is fixedly mounted between the two sliding rods. The top of the stabilizing plate has a slot that matches the inner bottom end of the fixed rod, and when the fixed rod contacts the slot, the hook rod is in a horizontal position.

[0011] A method for automatically demolding autoclaved aerated concrete (AAC) blocks, using the aforementioned automatic demolding device for AAC blocks, includes the following steps:

[0012] Step 1: Placing the formwork frame: When demolding is required, the formwork frame and the concrete blocks inside the formwork frame are first moved to the bottom of the lower pressure plate by the transport component of the demolding device body.

[0013] Step 2: Adjusting the hook rods: The output end of the hydraulic cylinder drives the lower pressure plate to move down. When the support seat contacts the concrete block inside the mold frame, it continues to move down. Under the action of the compression and extension spring, the support seat drives the fixed rod to move up. The support seat moves between the two vertical slide rails under the limit of the two sliding rods. At this time, the fixed rod and the stabilizing plate separate. Under the drive of the load block, one set of hook rods rotates through the rotating shaft, thereby contacting one of the lifting frames.

[0014] Step 3, Lifting the Formwork Frame: When one of the rotating shafts rotates, it drives one of the synchronous gear rings, which in turn drives the synchronous gear meshing with it to rotate. Under the synchronous drive of the synchronous shaft, the synchronous gear and synchronous gear ring on the other side rotate, thereby driving the other rotating shaft to rotate. At this time, another set of hook rods rotates synchronously and contacts another lifting frame. Finally, the hydraulic cylinder is activated to drive the lower pressure plate to rise, thereby moving the formwork frame upward and separating the formwork frame from the concrete inside.

[0015] The beneficial effects of this invention are as follows:

[0016] In this invention, when demolding concrete, the mold frame containing the concrete is first moved to the bottom of the lower pressure plate. Then, the lower pressure plate is moved down by the hydraulic cylinder. After the support seat contacts the top of the concrete inside the mold frame, the upper lifting component can control the rotation axis. Under the action of the load block, the two sets of hook rods rotate downwards respectively, thereby hooking the two lifting frames. Then, the mold frame is lifted and moved by the moving mechanism and the hydraulic cylinder, thereby separating the mold frame from the concrete and realizing demolding.

[0017] After demolding, the mold frame is moved to the other end and then lowered. The workers then manually separate the lifting frame and hook rods, and restore the two sets of hook rods to their original positions. When connecting the mold frame, there is no need to manually operate the bolts for installation; simply lower the pressure plate. The hook rods are operated by the contact and compression between the support base and the concrete, causing them to rotate, contact, and hook the lifting frame for lifting. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the structure of the mold frame and the lifting frame of the present invention.

[0021] Figure 3 This is a schematic diagram of the structure of the lower pressure plate, hook rod, and rotation adjustment assembly of the present invention.

[0022] Figure 4 This is a schematic diagram of the structure of the hydraulic cylinder and the lower pressure plate of the present invention.

[0023] Figure 5 This is a schematic diagram of the structure of the rotating shaft, the stabilizing plate, and the upper assembly of the present invention.

[0024] Figure 6 This is a schematic diagram of the structure of the pressure plate, fixing rod, support base, telescopic spring, vertical slide rail and sliding rod of the present invention.

[0025] In the diagram: 1. Demolding device body; 2. Hydraulic cylinder; 3. Mold frame; 4. Lifting frame; 5. Lower pressure plate; 6. Hook rod; 7. Rotating shaft; 8. Stabilizing plate; 9. Synchronous gear ring; 10. Synchronous gear; 11. Synchronous shaft; 12. Fixed rod; 13. Telescopic spring; 14. Support base; 15. Vertical slide rail; 16. Sliding rod; 17. Weight block. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0027] Example 1

[0028] like Figure 1 , Figure 2 and Figure 4 As shown in the figure, this embodiment proposes an automatic demolding device for autoclaved aerated concrete blocks, including a demolding device body 1, on which a hydraulic cylinder 2 and a mold frame 3 are installed. It also includes a lifting frame 4, a lower pressure plate 5, hook rods 6, and an upper lifting assembly. There are two lifting frames 4, both of which are fixedly installed on the top of the mold frame 3. The output end of the hydraulic cylinder 2 is fixedly installed on the lower pressure plate 5. There are four hook rods 6, which are arranged in pairs. The two pairs of hook rods 6 are respectively set on the lower pressure plate 5 through two rotation adjustment assemblies. There are two upper lifting assemblies, both of which are set on the lower pressure plate 5, and are used to drive the hook rods 6 to rotate and contact the lifting frame 4.

[0029] When demolding the concrete from the formwork frame 3, the formwork frame 3 containing the concrete blocks is first moved below the lower pressure plate 5. Then, the hydraulic cylinder 2 is activated. The output end of the hydraulic cylinder 2 drives the lower pressure plate 5 to move downwards. Under the action of the upper lifting assembly, this drives the two sets of hook rods 6 to rotate, thereby contacting the lifting frame 4 on the formwork frame 3. Figure 5 and Figure 6 As shown, the upper assembly includes a fixed rod 12, a telescopic spring 13, a support base 14, and a sliding limit assembly. The fixed rod 12 is slidably mounted on the lower pressure plate 5. Two telescopic springs 13 are provided, and both telescopic springs 13 are fixedly mounted on the bottom end of the lower pressure plate 5. The support base 14 is fixedly mounted on the other end of the two telescopic springs 13, and the support base 14 is fixedly connected to the bottom end of the fixed rod 12. The sliding limit assembly is located at the bottom end of the lower pressure plate 5. The sliding limit assembly includes a vertical slide rail 15 and a sliding rod 16. Two vertical slide rails 15 are provided, and both vertical slide rails 15 are fixedly mounted on the bottom end of the lower pressure plate 5. A sliding rod 16 is slidably mounted on the side of each vertical slide rail 15, and the support base 14 is fixedly mounted between the two sliding rods 16.

[0030] Specifically, when the hydraulic cylinder 2 drives the lower pressure plate 5 to move downward, it can simultaneously drive the support seat 14 to move downward. When the support seat 14 moves downward and contacts the concrete of the mold frame 3, and then continues to move downward, the concrete gives the support seat 14 an upward force, thereby compressing the telescopic spring 13. At this time, the support seat 14 moves upward between the two vertical slide rails 15 under the drive of the sliding rod 16. At this time, the support seat 14 can drive the fixed rod 12 to move upward. Because the top of the stabilizing plate 8 is provided with a slot that matches the inner bottom end of the fixed rod 12, and when the fixed rod 12 contacts the slot, the hook rod 6 is in a horizontal position. Before moving downward, the hook rod 6 is in a horizontal position. After the support seat 14 drives the fixed rod 12 to move upward, the fixed rod 12 separates from the stabilizing plate 8, releasing the restriction on the rotating shaft 7.

[0031] Then, by rotating the adjustment assembly, each set of hook rods 6 can be driven to tilt and rotate, such as... Figure 3 As shown, the rotation adjustment assembly includes a rotating shaft 7, a stabilizing plate 8, and a synchronous drive assembly. The rotating shaft 7 is rotatably mounted on the lower pressure plate 5 via a mounting plate, and a set of hook rods 6 are fixedly mounted on each rotating shaft 7. The stabilizing plate 8 is fixedly mounted on the side of the rotating shaft 7. The synchronous drive assembly is set on two rotating shafts 7. The synchronous drive assembly includes a synchronous gear ring 9, a synchronous gear 10, and a synchronous shaft 11. The synchronous gear ring 9 is fixedly mounted on both rotating shafts 7, and the synchronous gear 10 is meshed on both synchronous gear rings 9. The synchronous shaft 11 is rotatably mounted on the lower pressure plate 5 via a support frame, and the two synchronous gears 10 are coaxially fixedly connected to both ends of the synchronous shaft 11.

[0032] Specifically, since a load-bearing block 17 is fixedly installed at the bottom of each hook rod 6, after the fixed rod 12 is separated from the stabilizing plate 8, the rotating shaft 7 rotates to one side of the load-bearing block 17 under the action of the load-bearing block 17. At this time, the two sets of hook rods 6 rotate relative to each other and then hook onto the two lifting frames 4 on the mold frame 3 respectively. Then, the hydraulic cylinder 2 is activated to lift upward, driving the mold frame 3 to move upward and thus completing the separation from the concrete.

[0033] After demolding, the mold frame 3 is lowered to the ground. Then, the workers lift the support seat 14 to prevent the inclined stabilizing plate 8 and the fixing rod 12 from contacting each other. Then, one of the rotating shafts 7 is rotated. When the rotating shaft 7 rotates, it drives one of the synchronous gear rings 9. The synchronous gear ring 9 drives the synchronous gear 10 that meshes with it to rotate. Under the synchronous drive of the synchronous shaft 11, the synchronous gear 10 and the synchronous gear ring 9 on the other side rotate, thereby driving the other rotating shaft 7 to rotate. This rotates the two sets of hook rods 6 to the horizontal position. Then, the support seat 14 is released. At this time, the telescopic spring 13 returns to its original position, and the fixing rod 12 continues to press against the stabilizing plate 8. The force of the weight block 17 on the other side pressing down on the stabilizing plate 8 is consistent with that of the fixing rod 12, thereby placing the hook rod 6 horizontally.

[0034] It should be added that a removable protective cover can be installed on the lower pressure plate 5 to cover the synchronous gear ring 9 and the synchronous gear 10, so as to prevent impurities from floating into the meshing part of the synchronous gear ring 9 and the synchronous gear 10.

[0035] Working principle: When demolding concrete, the mold frame 3 with concrete blocks is first moved to the bottom of the lower pressure plate 5. Then, the hydraulic cylinder 2 is activated. The output end of the hydraulic cylinder 2 drives the lower pressure plate 5 to move down. When the hydraulic cylinder 2 drives the lower pressure plate 5 to move down, it can simultaneously drive the support seat 14 to move down. When the support seat 14 moves down and contacts the concrete of the mold frame 3, it continues to move down and compresses the telescopic spring 13. At this time, the support seat 14 moves up between the two vertical slide rails 15 under the drive of the sliding rod 16. At this time, the support seat 14 can drive the fixed rod 12 to move up. After the support seat 14 drives the fixed rod 12 to move up, the fixed rod 12 separates from the stabilizing plate 8, releasing the limitation on the rotating shaft 7.

[0036] After the fixed rod 12 separates from the stabilizing plate 8, the rotating shaft 7 rotates to one side of the load block 17 under the action of the load block 17. At this time, the two sets of hook rods 6 rotate relative to each other and then hook onto the two lifting frames 4 on the mold frame 3 respectively. Then, the oil cylinder 2 is activated to lift upward, driving the mold frame 3 to move upward and thus completing the separation from the concrete.

[0037] Example 2

[0038] A method for automatically demolding autoclaved aerated concrete (AAC) blocks, using the aforementioned automatic demolding device for AAC blocks, includes the following steps:

[0039] Step 1, Placement of formwork frame 3: When demolding is required, the formwork frame 3 and the concrete blocks inside the formwork frame 3 are first moved to the bottom of the lower pressure plate 5 by the transport component of the demolding device body 1.

[0040] Step 2: Adjusting hook rod 6: The output end of the hydraulic cylinder 2 drives the lower pressure plate 5 to move down. When the support seat 14 contacts the concrete block in the mold frame 3, it continues to move down. Under the action of the compression and extension spring 13, the support seat 14 drives the fixed rod 12 to move up. The support seat 14 moves between the two vertical slide rails 15 under the limit of the two sliding rods 16. At this time, the fixed rod 12 and the stabilizing plate 8 are separated. Under the drive of the load block 17, one set of hook rods 6 is rotated through the rotating shaft 7, thereby contacting one of the lifting frames 4.

[0041] Step 3, Lifting the mold frame 3: When one of the rotating shafts 7 rotates, the rotating shaft 7 drives one of the synchronous gear rings 9, and the synchronous gear ring 9 drives the synchronous gear 10 meshing with it to rotate. Under the synchronous drive of the synchronous shaft 11, the synchronous gear 10 and the synchronous gear ring 9 on the other side rotate, thereby driving the other rotating shaft 7 to rotate. At this time, another set of hook rods 6 rotate synchronously and contact another lifting frame 4. Finally, the hydraulic cylinder 2 is activated to drive the lower pressure plate 5 to rise, thereby driving the mold frame 3 to move upward, and the mold frame 3 separates from the concrete inside.

[0042] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An automatic demolding device for autoclaved aerated concrete blocks, comprising a demolding device body (1), wherein a hydraulic cylinder (2) and a mold frame (3) are mounted on the demolding device body (1), characterized in that, Also includes: There are two lifting frames (4), and both lifting frames (4) are fixedly installed on the top of the mold frame (3); The lower pressure plate (5) is fixedly installed at the output end of the oil cylinder (2); Hook rod (6), four hook rods (6) are provided, and the four hook rods (6) are arranged in pairs. The two pairs of hook rods (6) are respectively set on the lower pressure plate (5) through two rotating adjustment components; The upper top assembly is provided in two parts, both of which are located on the lower pressure plate (5) and are used to drive the hook rod (6) to rotate and contact the lifting frame (4).

2. The automatic demolding device for autoclaved aerated concrete blocks according to claim 1, characterized in that, The rotation adjustment assembly includes: A rotating shaft (7) is rotatably mounted on the lower pressure plate (5) via a mounting plate, and a set of hook rods (6) is fixedly mounted on each of the rotating shafts (7). Stabilizing plate (8), the stabilizing plate (8) is fixedly installed on the side of the rotating shaft (7). A synchronous drive assembly is disposed on the two rotating axes (7).

3. The automatic demolding device for autoclaved aerated concrete blocks according to claim 2, characterized in that, The synchronization drive component includes: Synchronous gear ring (9), the synchronous gear ring (9) is fixedly installed on both of the two rotating shafts (7); Synchronous gear (10), both of the two synchronous gear rings (9) are meshed with the synchronous gear (10); Synchronous shaft (11) is rotatably mounted on the lower pressure plate (5) via a support frame, and two synchronous gears (10) are coaxially fixedly connected to both ends of the synchronous shaft (11).

4. The automatic demolding device for autoclaved aerated concrete blocks according to claim 3, characterized in that, The top component includes: A fixing rod (12) is slidably mounted on the lower pressure plate (5) through the plate; Two telescopic springs (13) are provided, and both telescopic springs (13) are fixedly installed at the bottom end of the lower pressure plate (5); Support base (14), which is fixedly installed at the other end of the two telescopic springs (13), and the support base (14) is fixedly connected to the bottom end of the fixing rod (12); A sliding limit assembly is disposed at the bottom end of the lower pressure plate (5).

5. An automatic demolding device for autoclaved aerated concrete blocks according to claim 4, characterized in that, The sliding limit component includes: Vertical slide rail (15), two vertical slide rails (15) are provided, and both vertical slide rails (15) are fixedly installed at the bottom end of the lower pressure plate (5); The sliding rod (16) is slidably mounted on the side of each of the vertical slide rails (15), and the support base (14) is fixedly mounted between the two sliding rods (16).

6. The automatic demolding device for autoclaved aerated concrete blocks according to claim 5, characterized in that, Each hook rod (6) has a weight block (17) fixedly installed at its bottom end.

7. An automatic demolding device for autoclaved aerated concrete blocks according to claim 6, characterized in that, The top of the stabilizing plate (8) is provided with a slot that matches the inner bottom end of the fixing rod (12), and when the fixing rod (12) contacts the slot, the hook rod (6) is in a horizontal position.

8. A method for automatically demolding autoclaved aerated concrete (AAC) blocks, comprising using the automatic demolding device for AAC blocks described in claim 7, characterized in that... Includes the following steps: S1, Placement of formwork frame (3): When demolding is required, the formwork frame (3) and the concrete blocks inside the formwork frame (3) are first moved to the bottom of the lower pressure plate (5) by the transport component of the demolding device body (1); S2, Adjusting hook rod (6): The output end of the oil cylinder (2) drives the lower pressure plate (5) to move down. When the support seat (14) contacts the concrete block in the mold frame (3), it continues to move down. Under the action of the compression extension spring (13), the support seat (14) drives the fixed rod (12) to move up. The support seat (14) moves between the two vertical slide rails (15) under the limit of the two sliding rods (16). At this time, the fixed rod (12) and the stabilizing plate (8) are separated. Under the drive of the load block (17), one of the hook rods (6) rotates through the rotating shaft (7) and contacts one of the lifting frames (4). S3, Lifting the mold frame (3): When one of the rotating shafts (7) rotates, the rotating shaft (7) drives one of the synchronous gear rings (9), and the synchronous gear ring (9) drives the synchronous gear (10) meshing with it to rotate. Under the synchronous drive of the synchronous shaft (11), the synchronous gear (10) and the synchronous gear ring (9) on the other side rotate, thereby driving the other rotating shaft (7) to rotate. At this time, another set of hook rods (6) rotate synchronously and contact another lifting frame (4). Finally, the oil cylinder (2) is started to drive the lower pressure plate (5) to rise, thereby driving the mold frame (3) to move upward and the mold frame (3) to separate from the concrete inside.

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