Production process of RPC prefabricated slab

Abstract

The invention discloses an RPC prefabricated slab production process, a mold and a production system are used in the production process, the production system comprises a curing chamber and a first conveying device, and a first temporary storage device, a first turnover device, a vibration device, a demolding device and a discharging area which are sequentially connected through the first conveying device; according to the invention, the whole course automation of the prefabricated slab from maintenance, overturning, vibration demolding to material receiving is realized, the production efficiency is greatly improved, the manual intervention is reduced, the production cost is reduced, and the overall productivity of the production line is improved.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated board production, and in particular to a RPC prefabricated board production process. Background Art

[0002] With the rapid development of modern construction technology, the requirements for building materials are getting higher and higher. Although traditional concrete materials have a wide range of applications, their strength and durability can no longer meet the requirements in certain specific occasions. Therefore, people have begun to explore and study new high-performance concrete materials, among which reactive powder concrete (RPC) as a new material with great potential has gradually attracted the attention and favor of the industry.

[0003] RPC, the full name of Reactive Powder Concrete, is a new type of concrete material with high strength, high durability, high toughness and high density. During its preparation, by optimizing the raw material ratio, adopting special preparation technology and maintenance measures, the RPC material has the characteristics of more compact and uniform microstructure, thus showing excellent mechanical properties and durability.

[0004] In the production process of RPC prefabricated panels, RPC materials need to be filled into molds for molding, and a series of processing processes are required to ensure the quality and performance of the prefabricated panels. However, the traditional RPC prefabricated panel production process has many shortcomings, such as low production efficiency, unstable product quality, and high costs, which limit the widespread application of RPC prefabricated panels.

[0005] In order to solve these problems, it is necessary to propose a more efficient, stable and economical RPC prefabricated panel production process, which can realize the full automation from curing, flipping, vibration demoulding to material collection, greatly improve production efficiency, reduce production costs and increase the overall capacity of the production line. Summary of the invention

[0006] The present invention provides a RPC prefabricated board production process, the production process uses a mold and a production system, the production system includes a curing room and a first conveying device, and a first temporary storage device, a first turning device, a vibration device, a demoulding device and a discharging area connected in sequence through the first conveying device;

[0007] The production process includes the following steps:

[0008] S100, there is a precast panel that has been cured in the mold in the curing room, and the mold with the precast panel that has been cured in the curing room is transported to a first temporary storage device;

[0009] S200, conveying the mold in the first temporary storage device to the first flipping device through the first conveying device, and the first flipping device flips the mold;

[0010] S300, conveying the mold in the first turning device to the vibration device through the first conveying device, and the vibration device preliminarily separates the mold from the prefabricated board in the mold;

[0011] S400, conveying the mold in the first turning device to the demoulding device through the first conveying device, the demoulding device completely separates the mold from the prefabricated board in the mold, and recovers the mold;

[0012] S500, the production system includes a material receiving device, and a negative pressure robot arm that can absorb the precast panels and move back and forth between the material receiving device and the discharging area. The first conveying device conveys the precast panels in the demoulding device to the discharging area, and transfers the precast panels from the discharging area to the material receiving device through the negative pressure robot arm.

[0013] Further, the production system includes a recovery device integrated in the demoulding device, and a second conveying device arranged below the recovery device, and a second turning device, a spray box chamber, a drying box chamber, a feeding device, a vibrating device and a second temporary storage device sequentially connected through the second conveying device, and the mold includes a filling tank;

[0014] The production process includes the following steps:

[0015] S401, the recovery device transports the mold clamped by the demoulding device to the second conveying device, the second conveying device transports the mold to the second flipping device, and the second flipping device flips the mold again so that the filling groove faces upward;

[0016] S402, conveying the mold in the second turning device to the spray box room through the second conveying device, and the spray box room sprays the mold with oil;

[0017] S403, conveying the mold in the spray box chamber to the drying box chamber by a second conveying device, and instantaneously heating the drying box chamber to accelerate the drying of the release agent on the surface of the mold;

[0018] S404, conveying the mold in the drying box chamber to the feeding device through the second conveying device, and the feeding device fills the RPC material into the filling groove of the mold;

[0019] S405, conveying the mold in the feeding device to the vibrating device through the second conveying device, and the vibrating device vibrates the RPC material after it is filled into the mold;

[0020] S406, the production system includes a transfer vehicle for transporting the mold, and the mold in the vibrating device is transported to the second temporary storage device through the second conveying device. The transfer vehicle transports the mold in the second temporary storage device to the curing room for curing.

[0021] Furthermore, the molds in the curing room are transported to the first temporary storage device by a transfer vehicle, and the first loading device and the second loading device are respectively connected to the first temporary storage device and the second temporary storage device to facilitate the transfer vehicle to receive the molds.

[0022] Furthermore, the first turning device turns the mold over so that the mold covers the prefabricated board.

[0023] Furthermore, the demoulding device clamps the mold to separate it from the prefabricated board, and the recovery device integrated in the demoulding device transfers the mold clamped by the demoulding device to the second conveying device.

[0024] Furthermore, the mold includes a filling groove, and the filling groove is used for filling and molding the RPC material.

[0025] Furthermore, the oil spraying box chamber performs oil spraying on the mold, and the main spraying component is a release agent.

[0026] Further, the drying box chamber instantly heats and softens the mold to fine-tune the size of the filler slot in the mold.

[0027] Furthermore, the material vibration device is used to vibrate the RPC material after it is filled into the mold, so as to eliminate bubbles and cavities and improve the density and strength of the prefabricated board.

[0028] The beneficial effects of the present invention are:

[0029] The present invention realizes the full automation of the prefabricated panels from maintenance, turning, vibration demoulding to material collection, which greatly improves production efficiency, reduces manual intervention, and reduces production costs; by utilizing automated equipment such as negative pressure robotic arms, rapid transfer and collection of prefabricated panels are realized, the production cycle is shortened, and the overall capacity of the production line is improved; through the recovery device and the second conveying device, rapid recovery and reuse of the mold are realized, the idle time of the mold is reduced, and the utilization rate and turnover rate of the mold are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The drawings described herein are used to provide further understanding of the present invention and constitute a part of this application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0031] In the attached figure:

[0032] Figure 1 is a schematic diagram of the production system;

[0033] Figure 2 is a schematic diagram of the mold;

[0034] Figure 3 Schematic diagram of the production process Figure 1 ;

[0035] Figure 4 Schematic diagram of the production process Figure 2 ;

[0036] In the figure: mold (10); filling tank (11); production system (20); curing room (21); first conveying device (22); first temporary storage device (23); first turning device (24); vibrating device (25); demoulding device (26); recovery device (261); discharging area (27); receiving device (271); negative pressure robot arm (272); second conveying device (28); second turning device (29); spray box room (30); drying box room (31); feeding device (32); vibrating device (33); second temporary storage device (34); first loading device (36); second loading device (37). DETAILED DESCRIPTION

[0037] The technical solution of the present invention will be described below in conjunction with the accompanying drawings of the present invention, but the described embodiments are only part of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention.

[0038] like Figures 1 to 4 As shown, the present invention provides a RPC prefabricated board production process, the production process uses a mold 10 and a production system 20, the production system 20 includes a curing room 21 and a first conveying device 22, and a first temporary storage device 23, a first turning device 24, a vibration device 25, a demoulding device 26 and a discharge area 27 connected in sequence through the first conveying device 22;

[0039] The production process includes the following steps:

[0040] S100, there is a precast panel that has been cured in the mold 10 in the curing room 21, and the mold 10 with the precast panel that has been cured in the curing room 21 is transported to the first temporary storage device 23;

[0041] S200, the mold 10 in the first temporary storage device 23 is transferred to the first flipping device 24 by the first conveying device 22, and the first flipping device 24 flips the mold 10;

[0042] S300, the mold 10 in the first turning device 24 is transferred to the vibration device 25 by the first conveying device 22, and the vibration device 25 preliminarily separates the mold 10 from the prefabricated board in the mold 10;

[0043] S400, the mold 10 in the first turning device 24 is transferred to the demoulding device 26 by the first conveying device 22, and the demoulding device 26 completely separates the mold 10 from the prefabricated board in the mold 10, and recycles the mold 10;

[0044] S500, the production system 20 includes a material receiving device 271, and a negative pressure robot arm 272 that can absorb the precast panels and move back and forth between the material receiving device 271 and the discharging area 27. The first conveying device 22 conveys the precast panels in the demolding device 26 to the discharging area 27, and transfers the precast panels from the discharging area 27 to the material receiving device 271 through the negative pressure robot arm 272.

[0045] In this embodiment, the mold material is selected from high-strength, corrosion-resistant materials to increase the service life of the mold; and the mold structure is easy to demould, reducing the friction between the mold and the prefabricated board and reducing the difficulty of demoulding. In some embodiments, a heating element can be set inside the mold to accelerate the curing process of the RPC material and shorten the curing time.

[0046] In this embodiment, the curing room should be equipped with a temperature monitoring system and a humidity monitoring system to monitor and adjust the indoor environment in real time to ensure that the RPC prefabricated panels in the mold are cured under the best environmental conditions, thereby improving the quality stability of the prefabricated panels; a ventilation device is also provided in the curing room to keep the indoor air circulating and fresh.

[0047] In this embodiment, the first conveying device should be made of wear-resistant and corrosion-resistant materials to improve its service life and stability. A positioning sensor can be set on the first conveying device to ensure the accurate positioning of the mold during the conveying process. In addition, the speed and acceleration should be adjustable to adapt to the production needs of prefabricated panels of different sizes and weights and reduce errors in the production process.

[0048] In this embodiment, the first temporary storage device has sufficient storage space and a convenient mechanism for taking and placing the mold to improve production efficiency; the first flipping device uses a hydraulic or pneumatic drive to drive the rotating mechanism to achieve a smooth and rapid flipping action, to achieve a smooth flipping of the mold and avoid damage to the prefabricated panel. A safety locking device is provided on the flipping device to prevent the mold from falling off or being damaged during the flipping process; the vibration device is designed with an adjustable vibration frequency and amplitude to adapt to molds of different sizes and materials.

[0049] In this embodiment, the negative pressure robot arm is provided with an adjustable suction force to adapt to prefabricated panels of different sizes and weights. In addition, a camera or sensor is installed on the negative pressure robot arm to achieve precise positioning and obstacle avoidance functions. The control system of the negative pressure robot arm also supports remote monitoring and fault diagnosis functions to improve production efficiency and safety.

[0050] In this embodiment, when the precast panels are in the curing room, the curing conditions of the RPC precast panels in the molds should be checked regularly to ensure that they meet the predetermined strength and quality requirements.

[0051] like Figures 1 to 4 As shown, in this embodiment, the production system 20 includes a recovery device 261 integrated in the demoulding device 26, and a second conveying device 28 arranged below the recovery device 261, and a second turning device 29, a spray box chamber 30, a drying box chamber 31, a feeding device 32, a vibrating device 33 and a second temporary storage device 34 connected in sequence through the second conveying device 28, and the mold 10 includes a filling tank 11;

[0052] The production process includes the following steps:

[0053] S401, the recovery device 261 transports the mold 10 clamped by the demoulding device 26 to the second conveying device 28, the second conveying device 28 transports the mold 10 to the second flipping device 29, and the second flipping device 29 flips the mold 10 again so that the filling groove 11 faces upward, ensuring the accurate orientation of the mold filling groove, which facilitates the subsequent filling of the RPC material;

[0054] S402, the mold 10 in the second turning device 29 is transferred to the spray box chamber 30 by the second transfer device 28, and the spray box chamber 30 performs oil spraying on the mold 10 to ensure effective coverage of the mold release agent on the mold surface;

[0055] S403, the mold 10 in the spray box chamber 30 is transferred to the drying box chamber 31 by the second transfer device 28, and the drying box chamber 31 is instantaneously heated to accelerate the drying of the release agent on the surface of the mold 10, significantly shortening the drying time of the release agent on the mold surface and improving production efficiency;

[0056] S404, the mold 10 in the drying box chamber 31 is conveyed to the feeding device 32 by the second conveying device 28, and the feeding device 32 fills the RPC material into the filling groove 11 of the mold 10, so as to achieve accurate filling of the RPC material;

[0057] S405, conveying the mold 10 in the feeding device 32 to the vibrating device 33 through the second conveying device 28, and vibrating the RPC material after filling it into the mold 10, so as to effectively eliminate bubbles and voids in the RPC material and improve the density and strength of the prefabricated board;

[0058] S406, the production system 20 includes a transfer vehicle for transporting the mold 10, which transfers the mold 10 in the vibrating device 33 to the second temporary storage device 34 through the second conveying device 28, and the transfer vehicle transports the mold 10 in the second temporary storage device 34 to the curing room 21 for curing, thereby realizing rapid and accurate transfer of the mold from the second temporary storage device to the curing room.

[0059] In this embodiment, the recycling device is integrated on the demoulding device, and uses intelligent recognition and clamping technology to accurately move the demoulding mold and smoothly transfer it to the second conveyor. The design of the recycling device takes into account the diversity of molds and can adapt to molds of different sizes and shapes to ensure efficient and safe mold recycling.

[0060] The second conveyor is a bridge connecting each processing unit. It is driven by a high-precision servo motor to achieve smooth and fast conveyance of the mold. At the same time, the device is equipped with sensors and positioning systems to ensure the accurate docking and positioning of the mold in each processing unit.

[0061] The second flipping device is hydraulically or pneumatically driven, and can quickly and smoothly flip the mold to a specified angle, so that the filling slot faces upward, ready for subsequent RPC material filling. During the flipping process, the device is equipped with a safety locking mechanism to ensure that the mold will not fall off or be damaged.

[0062] The spray box uses high-pressure spraying technology to evenly spray the release agent on the mold surface to form a protective film, which facilitates the smooth demoulding of the subsequent RPC material. The spray box is equipped with a temperature and humidity control system to ensure the stability of the spray environment.

[0063] The drying chamber adopts instantaneous heating technology to quickly dry the release agent on the mold surface, reduce waiting time and improve production efficiency. The drying chamber is equipped with a temperature sensor and a heating controller, which can accurately control the heating temperature and time to avoid damage to the mold.

[0064] The feeding device uses a precise metering and control system to fill the RPC material into the filling slot of the mold according to the preset proportion and amount. During the feeding process, the device is equipped with a vibrator and agitator to ensure the uniform distribution and tight filling of the RPC material.

[0065] After the RPC material is filled, the vibration device eliminates bubbles and voids in the material through vibration, thereby improving the density and strength of the prefabricated board. The vibration device can adjust the vibration frequency and amplitude according to the characteristics of the RPC material and the size of the mold.

[0066] The second temporary storage device is used as a temporary storage area for molds. It uses intelligent storage technology to automatically record mold information and storage location, which is convenient for subsequent management and scheduling. At the same time, the device is equipped with a temperature and humidity control system to ensure the stability of the mold during storage.

[0067] The transfer vehicle uses unmanned or remote control technology to automatically transport the molds in the second temporary storage device to the curing room for curing. The design of the transfer vehicle takes into account the weight and size of the molds to ensure safety and stability during the transportation process.

[0068] The mold 10 in the curing room 21 is transported to the first temporary storage device 23 by a transfer vehicle, and the first loading device 36 and the second loading device 37 are respectively connected to the first temporary storage device 23 and the second temporary storage device 34 to facilitate the transfer vehicle to receive the mold 10. Transfer vehicle: The transfer vehicle should adopt an automated control system to achieve precise positioning and handling to improve production efficiency.

[0069] The first turning device 24 turns the mold 10 over so that the mold 10 covers the prefabricated board.

[0070] The demoulding device 26 clamps the mold 10 to separate it from the prefabricated board, and the recovery device 261 integrated in the demoulding device 26 transfers the mold 10 clamped by the demoulding device 26 to the second conveying device 28.

[0071] The mold 10 includes a filling groove 11, and the filling groove 11 is used for filling and molding the RPC material.

[0072] The oil spraying box chamber 30 performs oil spraying on the mold 10 , and the main spraying component is a mold release agent.

[0073] The drying box chamber 31 instantly heats and softens the mold 10 to fine-tune the size of the filling slot 11 in the mold 10 .

[0074] The material vibrating device 33 is used to vibrate the RPC material after it is filled into the mold 10, so as to eliminate bubbles and cavities and improve the density and strength of the prefabricated board.

Claims

1. A RPC prefabricated board production process, characterized in that: The production process uses a mold and a production system, and the production system includes a curing room and a first conveying device, and a first temporary storage device, a first turning device, a vibration device, a demoulding device and a discharging area connected in sequence through the first conveying device; The production process includes the following steps: S100, there is a precast panel that has been cured in the mold in the curing room, and the mold with the precast panel that has been cured in the curing room is transported to a first temporary storage device; S200, conveying the mold in the first temporary storage device to the first flipping device through the first conveying device, and the first flipping device flips the mold; S300, conveying the mold in the first turning device to the vibration device through the first conveying device, and the vibration device preliminarily separates the mold from the prefabricated board in the mold; S400, conveying the mold in the first turning device to the demoulding device through the first conveying device, the demoulding device completely separates the mold from the prefabricated board in the mold, and recovers the mold; S500, the production system includes a material receiving device, and a negative pressure robot arm that can absorb the precast panels and move back and forth between the material receiving device and the discharging area. The first conveying device conveys the precast panels in the demoulding device to the discharging area, and transfers the precast panels from the discharging area to the material receiving device through the negative pressure robot arm.

2. The RPC prefabricated panel production process according to claim 1, characterized in that: The production system includes a recovery device integrated in the demoulding device, and a second conveying device arranged below the recovery device, and a second turning device, a spray box chamber, a drying box chamber, a feeding device, a vibrating device and a second temporary storage device sequentially connected through the second conveying device, and the mold includes a filling tank; The production process includes the following steps: S401, the recovery device transports the mold clamped by the demoulding device to the second conveying device, the second conveying device transports the mold to the second flipping device, and the second flipping device flips the mold again so that the filling groove faces upward; S402, conveying the mold in the second turning device to the spray box room through the second conveying device, and the spray box room sprays the mold with oil; S403, conveying the mold in the spray box chamber to the drying box chamber by a second conveying device, and instantaneously heating the drying box chamber to accelerate the drying of the release agent on the surface of the mold; S404, conveying the mold in the drying box chamber to the feeding device through the second conveying device, and the feeding device fills the RPC material into the filling groove of the mold; S405, conveying the mold in the feeding device to the vibrating device through the second conveying device, and the vibrating device vibrates the RPC material after it is filled into the mold; S406, the production system includes a transfer vehicle for transporting the mold, and the mold in the vibrating device is transported to the second temporary storage device through the second conveying device. The transfer vehicle transports the mold in the second temporary storage device to the curing room for curing.

3. The RPC prefabricated panel production process according to claim 2, characterized in that: The molds in the curing room are transported to the first temporary storage device by a transfer vehicle, and the first loading device and the second loading device are respectively connected to the first temporary storage device and the second temporary storage device to facilitate the transfer vehicle to receive the molds.

4. The RPC prefabricated panel production process according to claim 3, characterized in that: The first turning device turns the mold over so that the mold covers the prefabricated board.

5. The RPC prefabricated panel production process according to claim 4, characterized in that: The demoulding device clamps the mold to separate it from the prefabricated board, and the recovery device integrated in the demoulding device transfers the mold clamped by the demoulding device to the second conveying device.

6. The RPC prefabricated panel production process according to claim 5, characterized in that: The mold includes a filling groove, and the filling groove is used for filling and molding the RPC material.

7. The RPC prefabricated panel production process according to claim 6, characterized in that: The oil spraying box room sprays oil on the mold, and the main spraying component is the release agent.

8. The RPC prefabricated panel production process according to claim 7, characterized in that: The drying chamber heats the mold momentarily to soften it, allowing for fine-tuning of the dimensions of the filler slots in the mold.

9. The RPC prefabricated panel production process according to claim 8, characterized in that: The material vibration device is used to vibrate the RPC material after it is filled into the mold to eliminate bubbles and cavities and improve the density and strength of the prefabricated board.

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