Preparation equipment of plaster material for fresco repair and fresco repair process

Abstract

The invention discloses plaster material preparation equipment for mural repair and a mural repair process, and relates to the technical field of plaster material preparation, the plaster material preparation equipment for mural repair comprises an outer layer barrel, a connecting plate is fixedly mounted on the circumferential inner wall of the outer layer barrel, an inner layer barrel is fixedly mounted on the inner wall of the connecting plate, and a lifting layer plate is slidably mounted in the inner layer barrel; a first stirring rod is fixedly installed on the lifting layer plate, a sleeve rod is fixedly installed on the lifting layer plate, and a rotating disc is arranged on the lifting layer plate. After ramie fibers are mixed into lime paste, the tensile strength of the lime paste for repairing can be remarkably improved, and shrinkage cracking of the lime paste for repairing is restrained; meanwhile, the combination of the chip material and the repair material breaks through the limitation of splitting of the original identification and the cultural relic, the tight combination of the mural information identification and the cultural relic body is really realized, and a new method and a new thought are provided for subsequently confirming the identity of the cultural relic, preventing counterfeit and protecting the safety of the cultural relic.

Description

Technical Field

[0001] The invention relates to the technical field of plaster material preparation, and in particular to a plaster material preparation device for mural restoration and a mural restoration process. Background Art

[0002] As a precious historical and cultural heritage, murals carry rich artistic value, historical information and cultural connotations. However, as time goes by, murals are affected by natural erosion, human destruction and other factors, and various types of damage such as fading, cracking, peeling, and mildew will occur, requiring regular restoration and protection work. With the penetration of Western modern restoration concepts, the identifiable principle of cultural relics restoration has been increasingly valued. The "Guidelines for the Protection of Chinese Cultural Relics and Historic Sites" published in my country stipulates that the restored parts should be both coordinated and identifiable with the original parts. At this stage, the domestic mural restoration field has not yet found a good method to deal with the problem of "harmony but difference" between the restored parts of mural cultural relics and the originals, and the "identifiability" of cultural relics restoration is still a difficult problem in the industry. In addition, traditional restoration record methods are mostly handwritten records, which are not only easy to damage and lose, but also lack long-term records and management of restoration information, making subsequent maintenance and research work difficult to carry out, and cannot be closely associated with murals to provide real-time interactive experience. It is of great significance to record the entire process of cultural relics restoration history in a more convenient, intelligent, efficient and real-time way.

[0003] The current equipment for preparing plaster materials and the mural restoration process have been found to have at least the following technical problems: First, in the field of mural cultural relics restoration, traditional lime paste material preparation involves stirring the lime paste with a round rod, which is often simple and rough, lacking temperature control and an efficient stirring and mixing mechanism, causing its performance to change during the preparation process, affecting the subsequent restoration effect. Moreover, the stirring method is single, making it impossible to fully and evenly mix the lime paste with other added materials, resulting in uneven quality of the lime paste materials used for restoration, making it difficult to meet ideal restoration requirements.

[0004] Second, traditional restoration record methods are mostly handwritten, which are not only easy to be damaged and lost, but also lack long-term record and management of restoration information, making subsequent maintenance and research work difficult to carry out. Moreover, they cannot be closely linked to the murals to provide a real-time interactive experience.

[0005] Third, in the restoration of mural cultural relics, the lime paste used in the past often lacks tensile strength and is prone to shrinkage and cracking. Moreover, when embedding reinforcing or monitoring elements such as NFC-compatible microchips, the performance defects of the lime paste itself often lead to uneven stress distribution, affecting the integrity and stability of the mural surface and reducing the durability of the restoration effect.

[0006] Fourth, currently archaeological information is mostly organized and preserved by archaeological institutes, display and exhibition information is mostly recorded by museums, and restoration information is mostly in the hands of restoration departments. The decentralized information recording and preservation methods have led to the dispersion and isolation of various types of information. Cultural relics restorers, researchers, managers, and ordinary visitors find it difficult to conveniently and comprehensively obtain in-depth information such as mural restoration details, historical changes, and creative background according to their own needs. Summary of the invention

[0007] In order to solve the above technical problems, the present invention provides a mortar material preparation device for mural restoration and a mural restoration process to solve the above problems.

[0008] A device for preparing plaster materials for mural restoration comprises an outer barrel, a connecting plate is fixedly installed on the inner wall of the outer barrel, an inner barrel is fixedly installed on the inner wall of the connecting plate, a lifting layer plate is slidably installed in the inner barrel, a first stirring rod is fixedly installed on the lifting layer plate, a sleeve rod is fixedly installed on the lifting layer plate, a rotating disk is provided on the lifting layer plate, a second stirring rod is fixedly installed on the rotating disk, a special scraper is provided on the rotating disk, a bearing is sleeved on the special scraper, a cover plate is sleeved on the bearing, a rotating screw is threadedly installed on the inner wall of the sleeve rod, a second bevel gear is fixedly installed through the rotating screw, a first bevel gear is meshed with the second bevel gear, a rotating shaft is inserted and fixedly installed on the first bevel gear, a T-shaped block is provided on the inner wall of the inner barrel, a limiting sleeve is fixedly installed on the T-shaped block, a feeding pipe is provided on the cover plate, and the feeding pipe is slidably installed in the limiting sleeve.

[0009] Preferably: a water tank is provided between the outer barrel and the inner barrel, there are four first stirring rods on the lifting plate, the first stirring rods are aligned with the limiting sleeve, the lower end of the rotating disk is installed in the sleeve rod by rotating and sliding, there are four second stirring rods, an installation groove is provided at the upper end of the rotating disk, the special scraper is limited and slidably installed in the installation groove opened in the rotating disk, and two limiting sliding grooves are equidistantly provided on the outer surface circumference of the bearing.

[0010] Preferably: a cross plate is fixedly installed at the bottom of the outer barrel, the lower end of the rotating screw is rotatably sleeved in the cross plate, the rotating shaft penetrates and is rotatably installed on the outer barrel and the inner barrel, a forward and reverse motor is fixedly installed on the side end of the outer barrel, the forward and reverse motor is fixedly connected to the rotating shaft through an output shaft, a locking screw is threadedly installed between the outer barrel, the inner barrel and the connecting plate, the end of the locking screw is fitted to the side end of the T-shaped block, a T-shaped groove is opened on the inner wall of the inner barrel, and the T-shaped block is limitedly slidably installed in the T-shaped groove opened in the inner barrel.

[0011] Preferably: the cover plate is provided with two groups of quick-release mechanisms for fixing the bearing, the quick-release mechanism comprises a limiting sleeve, the limiting sleeve is slidably installed with a guide rod, the guide rod is fixedly installed in the cover plate, a return spring is sleeved on the guide rod, the return spring is fixedly installed between the cover plate and the clamping rod, the side end of the clamping rod is slidably installed in the limiting sliding groove provided in the bearing, the special scraper is provided with a limiting groove, and a manual rocker is provided in the limiting groove provided in the special scraper. The cover plate is provided with two groups of quick-release mechanisms for fixing the bearing, the quick-release mechanism comprises a limiting sleeve, the limiting sleeve is slidably installed with a guide rod, the guide rod is fixedly installed in the cover plate, a return spring is sleeved on the guide rod, the return spring is fixedly installed between the cover plate and the clamping rod, the side end of the clamping rod is slidably installed in the limiting sliding groove provided in the bearing, the special scraper is provided with a limiting groove, and a manual rocker is provided in the limiting groove provided in the special scraper.

[0012] A mural restoration process, including a mural artifact, an NFC-compatible microchip and a plaster material, specifically includes the following steps: S1: The lime paste should be aged for two months before mixing, so that the calcium hydroxide content of the lime paste is greater than 90%. The ramie fiber used is natural and free of mold and rot. The ramie fiber is hit with a wooden hammer for 30 minutes until it becomes flocculent, and the fiber length is controlled to be 10 mm; S2: Pour the lime paste into the inner barrel, add warm water through the water inlet at the upper end of the outer barrel, and fill the water tank between the outer barrel and the inner barrel with warm water of 15 to 30 degrees. The warm water between the outer barrel and the inner barrel can keep the lime paste inside the inner barrel warm. Cover the cover plate, the feeding pipe fixed at the upper end of which is inserted into the limiting sleeve, the cover plate is stabilized at the upper end of the inner barrel, and the manual rocker is inserted into the limiting groove at the upper end of the special scraper; S3: add ramie fiber of ten millimeters in length, mildew and antibacterial agent, and organic ultraviolet fluorescent powder into the inner barrel in small amounts and multiple times through the feeding tube (wherein, the mass ratio of lime paste: organic ultraviolet fluorescent powder: ramie fiber is 100:25:1), and at the same time, the operator rotates the manual rocker, and the manual rocker drives the special scraper to rotate, and the special scraper drives the rotating disk to rotate, and the four second stirring rods at the lower end of the rotating disk will stir the lime paste to mix the lime paste with the ramie fiber. At the same time, the operator controls the forward and reverse motors, and the forward and reverse motors drive the rotating shaft to rotate through the output shaft, and the rotating shaft is meshed with the first bevel gear and the second bevel gear to drive the rotating screw to rotate. Only the threaded connection between the rotating screw and the sleeve rod is threadedly connected. The rotating screw rotates in the opposite direction, because the threaded connection between the rotating screw and the sleeve rod is fixed, so that the rotating screw drives the four first stirring rods to rotate through the sleeve rod to stir and mix the lime paste and the ramie fiber; S4: After the lime paste and ramie fiber are mixed, remove the cover plate, separate the cover plate from the special scraper, take out the rotating disk and the four second stirring rods from the inner barrel, use the special scraper to scrape the lime paste material mixed with ramie fiber, and apply it on the mural cultural relics to ensure the directional arrangement of the fibers, in preparation for the subsequent embedding of the NFC compatible microchip. The NFC compatible microchip adopts a multi-layer structure design, the inner layer uses epoxy resin to inlay the information storage chip, and the outer layer is coated with silicone waterproof material. The length and width of the NFC compatible microchip are less than 7mm and the thickness is less than 2mm. The materials used are compatible with the chemical properties of plant fibers to avoid adverse reactions caused by long-term contact. When the lime paste material is about two to five millimeters away from the upper surface of the mural cultural relics, the NFC compatible microchip is horizontally embedded in the lime paste material, and the fiber network formed between the fibers and the bonding effect of the lime paste itself are used to fix the NFC compatible microchip. After the NFC compatible microchip is embedded, continue to apply the lime paste material; S5: The restored mural cultural relics are subjected to dry-wet cycles. After 30 cycles, it is detected that there is no crack between the restored part and the original cultural relic. Use 365nm purple light for irradiation. The luminous intensity is good and can indicate the chip position well. When the mobile phone is brought within 5 cm of the NFC-compatible microchip part, the NFC-compatible microchip in the restored part can be identified and the corresponding link will pop up. After clicking the link, various information about the cultural relic can be read. Relevant personnel can quickly determine whether the mural sample has been restored. The restored mural cultural relic is placed in a high humidity environment with a relative humidity of 90%. After 60 days, the mobile phone is brought within 5 cm of the NFC-compatible microchip part again to detect whether the NFC-compatible microchip in the restored part is recognized.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention uses a first stirring rod and a second stirring rod equipped on the device. The second stirring rod is driven to stir by rotating the manual rocker, and the forward and reverse motors drive the first stirring rod to stir. The two work together to maximize the efficiency of mixing the lime paste and ramie fiber, making the lime paste materials more evenly mixed, so that better effects can be achieved during the restoration of murals and cultural relics.

[0014] Second: The present invention provides a water tank between the outer barrel and the inner barrel, and then fills the inner barrel with warm water of 15 to 30 degrees. Since the outer barrel and the inner barrel are made of stainless steel, the warm water can radiate heat to the lime paste inside the inner barrel, so that the lime paste is kept at this temperature when being stirred and mixed, thereby helping to maintain the performance of the lime paste.

[0015] 3. The special scraper provided in the present invention has multiple functions. It can serve as a connecting shaft in the preparation stage to drive the second stirring rod to rotate and effectively stir the lime paste and ramie fiber. After the preparation is completed, it can be easily pulled out and used to scrape the lime paste material on the murals and cultural relics to ensure the directional arrangement of the fibers and prepare for the embedding of the NFC-compatible microchip, thereby simplifying the operation process and improving the practicality and convenience of the equipment.

[0016] Fourth: After being added into the lime paste, the ramie fiber in the present invention can significantly improve the tensile strength of the repair lime paste and inhibit its shrinkage and cracking. At the same time, it can reduce the stress unevenness that may occur in the lime paste body after the NFC compatible microchip is embedded, thereby ensuring the integrity of the mural surface. Its main process materials are consistent with the traditional materials of ancient murals, ensuring the compatibility of the repair materials and the raw materials, and the harmony and unity of the repaired part and the original mural.

[0017] 5. The combination of the chip material and the restoration material provided by the present invention breaks through the limitation of the separation of the original identification and the cultural relic itself, and truly realizes the close combination of the mural information identification and the cultural relic itself, so that the cultural relic has a "one-piece identity card", which provides a new method and new idea for the subsequent confirmation of the identity of the cultural relic, prevention of counterfeiting and protection of the safety of cultural relics.

[0018] Six: The present invention helps to improve the application scope and application environment of the mural restoration material by adding anti-mildew and antibacterial agents. The addition of fluorescent materials helps to quickly identify the restoration site, that is, the chip implantation area, laying the foundation for subsequent information acquisition, and realizes the rapid identification of the restoration site without contacting the cultural relic itself, thus solving the industry's difficult problem of making cultural relics restoration both recognizable and beautiful.

[0019] 7. Compared with the existing restoration information recording method, the present invention not only overcomes the limitation of the original decentralized storage of information and breaks through the time and space limitations of information query, but also realizes the full process recording of various types of cultural relics information and permanent storage of cultural relics information, improving the current situation of untimely and incomplete information recording and access, and is an innovative practice to digitize and dynamicize the cultural relics information storage process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings.

[0021] Figure 1 It is a structural diagram of the present invention as a whole; Figure 2 It is a structural diagram of the outer barrel of the present invention; Figure 3 This is a structural diagram of the lifting layer of the present invention; Figure 4 This is a structural diagram of the inner barrel of the present invention; Figure 5 It is a structural diagram of the sleeve rod of the present invention; Figure 6 It is a structural diagram of the connecting plate of the present invention; Figure 7 is a structural diagram of the first stirring rod of the present invention; Figure 8 is a structural diagram of the second stirring rod of the present invention; Fig. 9 For the present invention Figure 3 A magnified view of the structure at A; Fig.10 For the present invention Figure 3 A magnified view of the structure at B; Fig.11 For the present invention Figure 5 A magnified view of the structure at C; Fig.12 This is a structural diagram of the restoration of the mural cultural relic of the present invention.

[0022] Legend: 11. Outer barrel; 12. Inner barrel; 13. Connecting plate; 14. Forward and reverse motor; 15. Rotating shaft; 16. First bevel gear; 17. Cross plate; 18. Rotating screw; 19. Second bevel gear; 21. Lifting plate; 22. First stirring rod; 23. Sleeve rod; 24. Second stirring rod; 25. Rotating disk; 26. Mounting groove; 27. Special scraper; 28. Bearing; 29. ​​Limiting slide groove; 31. Cover plate; 32. Feeding pipe; 33. Snap-on rod; 34. Return spring; 35. Guide rod; 36. Locking screw; 37. T-block; 38. Limiting sleeve; 39. T-slide groove; 41. Manual rocker; 42. Mural artifacts; 43. NFC-compatible microchip; 44. Plaster material; 51. Threaded connection. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0024] Example: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 and Fig.12As shown, in view of the problems existing in the prior art, the present invention provides a mortar material preparation device for mural restoration and a mural restoration process, comprising an outer barrel 11, a connecting plate 13 is fixedly installed on the inner wall of the outer barrel 11, an inner barrel 12 is fixedly installed on the inner wall of the connecting plate 13, a lifting layer plate 21 is slidably installed in the inner barrel 12, a first stirring rod 22 is fixedly installed on the lifting layer plate 21, a sleeve rod 23 is fixedly installed on the lifting layer plate 21, a rotating disk 25 is provided on the lifting layer plate 21, a second stirring rod 24 is fixedly installed on the rotating disk 25, a special scraper 27 is provided on the rotating disk 25, a bearing 28 is sleeved on the special scraper 27, a cover plate 31 is sleeved on the bearing 28, a rotating screw 18 is threadedly installed on the inner wall of the sleeve rod 23, a second bevel gear 19 is penetrated and fixedly installed on the rotating screw 18, a first bevel gear 16 is meshed on the second bevel gear 19, a rotating shaft 15 is inserted and fixedly installed on the first bevel gear 16, and the inner barrel 12 is fixedly installed in the inner barrel 12. The inner wall is provided with a T-shaped block 37, on which a limiting sleeve 38 is fixedly installed, and a feeding pipe 32 is provided on the cover plate 31, which is slidably installed in the limiting sleeve 38. The lime paste should be aged for two months before mixing, so that the calcium hydroxide content of the lime paste is greater than 90%. The ramie fiber used is natural and free of mold and rot. The ramie fiber is hit with a wooden hammer for thirty minutes until it becomes flocculent, and the fiber length is controlled to be ten millimeters. The lime paste is poured into the inner barrel 12. Warm water is added through the water inlet at the upper end of the outer barrel 11, and the water tank between the outer barrel 11 and the inner barrel 12 is filled with warm water of fifteen to thirty degrees. The warm water between the outer barrel 11 and the inner barrel 12 can keep the lime paste inside the inner barrel 12 warm. The cover plate 31 is covered, and the feeding pipe 32 fixed at the upper end thereof is inserted into the limiting sleeve 38. The cover plate 31 is stabilized at the upper end of the inner barrel 12, and the manual rocker 41 is inserted into the limiting groove at the upper end of the special scraper 27.

[0025] A water tank is provided between the outer barrel 11 and the inner barrel 12. There are four first stirring rods 22 on the lifting layer plate 21. The first stirring rods 22 are aligned with the limiting sleeve 38. The lower end of the rotating disk 25 is installed in the sleeve rod 23 by rotating and sliding. There are four second stirring rods 24. A mounting groove 26 is provided at the upper end of the rotating disk 25. A special scraper 27 is limitedly slidably installed in the mounting groove 26 provided in the rotating disk 25. Two limiting slide grooves 29 are equidistantly provided on the outer surface circumference of the bearing 28. Ten millimeters long ramie fiber, mildew and antibacterial agent, and organic ultraviolet fluorescent powder are added to the inner barrel 12 in small amounts through the feeding pipe 32 (wherein the mass ratio of lime paste: organic ultraviolet fluorescent powder: ramie fiber is 100:25:1). At the same time, the operator rotates the manual rocker 41. The manual rocker The rod 41 drives the special scraper 27 to rotate, and the special scraper 27 drives the rotating disk 25 to rotate. The four second stirring rods 24 at the lower end of the rotating disk 25 will stir the lime paste to mix the lime paste with the ramie fiber. At the same time, the operator controls the forward and reverse motor 14, and the forward and reverse motor 14 drives the rotating shaft 15 to rotate through the output shaft. The rotating shaft 15 is engaged with the first bevel gear 16 and the second bevel gear 19 to drive the rotating screw 18 to rotate. Only the position of the threaded connection 51 between the rotating screw 18 and the sleeve rod 23 is threadedly connected. The rotating screw 18 rotates in the opposite direction because the threaded connection between the rotating screw 18 and the sleeve rod 23 is fixed, so that the rotating screw 18 drives the four first stirring rods 22 to rotate through the sleeve rod 23 to stir and mix the lime paste and ramie fiber.

[0026] A cross plate 17 is fixedly installed at the bottom of the outer barrel 11, and the lower end of the rotating screw 18 is rotatably sleeved in the cross plate 17. The rotating shaft 15 is rotatably installed on the outer barrel 11 and the inner barrel 12. A forward and reverse motor 14 is fixedly installed on the side end of the outer barrel 11. The forward and reverse motor 14 is fixedly connected to the rotating shaft 15 through the output shaft. A locking screw 36 is installed through the thread between the outer barrel 11, the inner barrel 12 and the connecting plate 13, and the end of the locking screw 36 is attached to the side of the T-shaped block 37. At the end, a T-shaped slide groove 39 is provided on the inner wall of the inner barrel 12, and the T-shaped block 37 is limitedly slidably installed in the T-shaped slide groove 39 provided in the inner barrel 12. After the lime paste and ramie fiber are mixed, the cover plate 31 is removed, the cover plate 31 is separated from the special scraper 27, the rotating disk 25 and the four second stirring rods 24 are taken out of the inner barrel 12, and the lime paste material 44 mixed with the lime paste and ramie fiber is scraped with the special scraper 27 to be applied on the mural cultural relic 42, while ensuring that the fiber is The NFC-compatible microchip 43 is arranged in a directional manner to prepare for the subsequent embedding of the NFC-compatible microchip 43. The NFC-compatible microchip 43 adopts a multi-layer structure design. The inner layer is inlaid with epoxy resin for the information storage chip, and the outer layer is coated with silicone waterproof material. The length and width of the NFC-compatible microchip 43 are less than 7mm, and the thickness is less than 2mm. The materials used are compatible with the chemical properties of plant fibers to avoid adverse reactions caused by long-term contact. When the plaster material 44 is about two to five millimeters away from the upper surface of the mural cultural relic 42, the NFC-compatible microchip 43 is horizontally embedded in the plaster material 44, and the fiber mesh formed between the fibers and the bonding effect of the plaster itself are used to fix the NFC-compatible microchip 43. After the NFC-compatible microchip 43 is embedded, the plaster material 44 continues to be applied. When a smart device with NFC function is within five centimeters of the mural cultural relic 42, the NFC-compatible microchip 43 communication can be quickly awakened, and relevant personnel can quickly determine whether the mural sample has been repaired.

[0027] The cover plate 31 is provided with two sets of quick-release mechanisms for fixing the bearing 28, the quick-release mechanisms include a limiting sleeve 38, a guide rod 35 is slidably installed on the limiting sleeve 38, the guide rod 35 is fixedly installed in the cover plate 31, a reset spring 34 is sleeved on the guide rod 35, the reset spring 34 is fixedly installed between the cover plate 31 and the clamping rod 33, the side end of the clamping rod 33 is slidably installed in the limiting groove 29 opened in the bearing 28, a limiting groove is opened on the special scraper 27, and a manual rocker 41 is arranged in the limiting groove opened in the special scraper 27, and the restored mural cultural relic 42 is subjected to dry-wet cycles, and the repaired part is detected after 30 cycles to determine whether it is the same as the original part. No cracks appeared on the cultural relic. It was irradiated with 365nm ultraviolet light, which had good luminous intensity and could indicate the chip position well. When the mobile phone was brought within 5cm of the NFC-compatible microchip 43, the NFC-compatible microchip 43 at the repaired part could be identified and a corresponding link would pop up. After clicking the link, various information about the cultural relic could be read. Relevant personnel could quickly determine whether the mural sample had been repaired. The repaired mural cultural relic 42 was placed in a high humidity environment with a relative humidity of 90%. After 60 days, the mobile phone was brought within 5cm of the NFC-compatible microchip 43 again to detect whether the NFC-compatible microchip 43 at the repaired part was identified.

[0028] Working principle: In the first step, when the equipment prepares the lime paste material 44, it is necessary to mix the lime paste and the plant reinforcement material ramie together, and then add mildew and antibacterial agents and organic ultraviolet fluorescent powder. Before mixing, the lime paste should be aged for two months and the calcium hydroxide content should be greater than 90%. Ramie fiber is natural and free of mildew and rot. When in use, the ramie fiber is hit with a wooden hammer for thirty minutes until it becomes flocculent. The fiber length is controlled to be ten millimeters, and then the equipment is prepared. First, the T-block 37 is located at the top of the inner wall of the T-shaped slide 39 opened in the inner barrel 12, and then the locking screw 36 is rotated to lock it. After that, the lime paste is poured into the inner barrel 12, and then warm water is added through the water inlet at the upper end of the outer barrel 11. The water tank between the outer barrel 11 and the inner barrel 12 is filled with warm water of fifteen to thirty degrees. Since the outer barrel 11 and the inner barrel 12 are both made of stainless steel, the temperature of the warm water can radiate heat to the lime paste inside the inner barrel 12.

[0029] The second step is to insert the rotating disk 25 and the second stirring rod 24 into the lime paste in the inner barrel 12. At this time, the lower end of the rotating disk 25 is inserted into the sleeve rod 23. Then, the special scraper 27 is connected to the cover plate 31 through the bearing 28. When connecting, the two clamping rods 33 are pulled to make the two clamping rods 33 move in opposite directions. Then, the bearing 28 is placed in the middle of the cover plate 31. At this time, the two clamping rods 33 are loosened. Under the elastic force of the two guide rods 35, the clamping rods 33 are inserted into the limiting groove 29 provided in the bearing 28. At this time, the special scraper 27 and the cover plate 31 are fixed. At this time, the cover plate 31 is covered again. The feeding pipe 32 fixed at its upper end is inserted in the limiting sleeve 38. At this time, the cover plate 31 is stable at the upper end of the inner barrel 12 and will not deviate. Then, the manual rocker 41 is inserted into the limiting groove at the upper end of the special scraper 27.

[0030] The third step is to add ten millimeters long ramie fiber, mildew and antibacterial agent, and organic ultraviolet fluorescent powder into the inner barrel 12 in small amounts and multiple times (must be divided into multiple times, and each time is a small amount) through the feeding pipe 32 (the mass ratio of the three is lime paste: organic ultraviolet fluorescent powder: ramie fiber = 100:25:1). While adding the ramie fiber, the operator manually drives the manual rocker 41 to rotate, and the manual rocker 41 drives the special scraper 27 to rotate, and the special scraper 27 drives the rotating disk 25 to rotate. At this time, the four second stirring rods 24 at the lower end of the rotating disk 25 will stir the lime paste, and then mix the lime paste with the ramie fiber, mildew and antibacterial agent, and organic ultraviolet fluorescent powder.

[0031] In the fourth step, while the hand-operated rocker 41 is manually rotated, the user controls the forward and reverse motor 14 to work, so that the forward and reverse motor 14 drives the rotating shaft 15 to rotate through the output shaft, and the rotating shaft 15 drives the first bevel gear 16 to rotate. Through the meshing of the first bevel gear 16 and the second bevel gear 19, the second bevel gear 19 can be rotated together with the rotating screw 18. The rotating screw 18 and the sleeve rod 23 are only threadedly connected at the position of the threaded connection 51. Therefore, when the rotating screw 18 rotates in the opposite direction, the rotation between the two The threaded connection is fixed, so that the rotating screw 18 can drive the sleeve rod 23 to rotate, and then the sleeve rod 23 drives the lifting plate 21 to rotate. When the lifting plate 21 rotates, the lime paste at its upper end is in contact with the inner barrel 12 because the circumferential side surface, so the rotation of the lifting plate 21 can stir the lime paste through the four first stirring rods 22. At this time, through the stirring of the four first stirring rods 22 and the four second stirring rods 24, the efficiency of mixing the lime paste with ramie fiber, mildew and antibacterial agent, and organic ultraviolet phosphor can be maximized.

[0032] The fifth step, after the lime paste is mixed with ramie fiber, mildew-proof and antibacterial agent, and organic ultraviolet fluorescent powder, the staff can disassemble the cover plate 31. During disassembly, the cover plate 31 and the special scraper 27 will preferentially come out of the inner barrel 12. At this time, the two clamping rods 33 are moved again to separate the limiting slide grooves 29 provided by the two clamping rods 33 and the bearing 28, so that the bearing 28 and the special scraper 27 can be taken out of the cover plate 31, and then the rotating disk 25 and the four second stirring rods 24 are taken out of the inner barrel 12, and the special scraper 27 is used to scrape the lime paste material 44 mixed with lime paste, ramie fiber, mildew-proof and antibacterial agent, and organic ultraviolet fluorescent powder on the mural, thereby repairing the mural cultural relic 42, and When the plaster material 44 inside the inner barrel 12 is used, the operator can loosen the locking screw 36 and then move the T-block 37, move the T-block 37 and the limiting sleeve 38 to the position of the first stirring rod 22, and sleeve the limiting sleeve 38 on the circumferential surface of the first stirring rod 22, and then the operator controls the forward and reverse motor 14 to rotate in the reverse direction, and then drives the rotating screw 18 to rotate in the reverse direction through the rotating shaft 15, the first bevel gear 16, and the second bevel gear 19. At this time, the threaded connection between the rotating screw 18 and the sleeve rod 23 will move, and when the lifting layer plate 21, the first stirring rod 22 and the sleeve rod 23 are limited, the lifting layer plate 21, the first stirring rod 22 and the sleeve rod 23 will move upward, so that the lifting layer plate 21, the first stirring rod 22 and the sleeve rod 23 can be moved upward. The lime paste material 44 on the lowering plate 21 is continuously moved upward during use, which is convenient for the operator to use the special scraper 27 to use the lime paste material 44. The present invention provides a water tank between the outer barrel 11 and the inner barrel 12, and then fills the water tank with warm water of 15 to 30 degrees. Since the outer barrel 11 and the inner barrel 12 are made of stainless steel, the warm water can radiate heat to the lime paste inside the inner barrel 12, so that the lime paste is kept at this temperature when being stirred and mixed, thereby helping to maintain the performance of the lime paste. The present invention uses the first stirring rod 22 and the second stirring rod 24 equipped on the device, and drives the second stirring rod 24 to stir by rotating the manual rocker 41, and at the same time, the forward and reverse motor 14 drives the first stirring rod 22 to stir, and the two cooperate to Working together, it can maximize the efficiency of mixing the lime paste and ramie fiber, make the lime paste material 44 mix more evenly, so that it can achieve better results when repairing the mural cultural relic 42. The special scraper 27 provided by the present invention has multiple functions. It can be used as a connecting shaft in the preparation stage to drive the second stirring rod 24 to rotate and effectively stir the lime paste and ramie fiber. After the preparation is completed, it can be easily pulled out and used to scrape the lime paste material 44 on the mural cultural relic 42 to ensure the directional arrangement of the fibers, prepare for embedding the NFC compatible microchip 43, simplify the operation process, and improve the practicality and convenience of the equipment. After the ramie fiber in the present invention is added to the lime paste, it can significantly improve the tensile strength of the repairing lime paste and inhibit its shrinkage and cracking. At the same time,The NFC-compatible microchip 43 can be embedded in the plaster body to reduce the uneven stress phenomenon that may occur, thereby ensuring the integrity of the mural surface. Its main process materials are consistent with the traditional materials of ancient murals, ensuring the compatibility of the repair materials with the raw materials, and the harmony and unity of the repaired part and the original mural. The combination of the chip material and the repair material provided by the present invention breaks through the limitation of the separation of the original identification and the cultural relic itself, and truly realizes the close combination of the mural information identification and the cultural relic body, so that the cultural relic has a "one-piece ID card", which provides a new method and new idea for the subsequent confirmation of the identity of the cultural relic, the prevention of counterfeiting and the protection of the safety of the cultural relic. The present invention helps to improve the application of the mural repair material by adding mildew and antibacterial agents. The scope of use and application environment, adding fluorescent materials, helps to quickly identify the repaired parts, that is, the chip implantation area, laying the foundation for subsequent information acquisition, and realizing the rapid identification of the repaired parts without contacting the cultural relics, and realizing the industry's difficult problem of recognizable and beautiful cultural relics restoration. Compared with the existing restoration information recording method, the present invention uses the induction effect of NFC technology and built-in chips. It not only overcomes the limitations of the original information decentralized storage, breaks through the time and space limitations of information query, but also realizes the full process recording of various types of cultural relics information and permanent storage of cultural relics information, improves the current situation of untimely and incomplete information recording and access, and is an innovative practice to digitize and dynamize the cultural relics information storage process. ,

[0033] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A device for preparing plaster material for mural restoration, comprising an outer layer barrel (11), characterized in that: A connecting plate (13) is fixedly mounted on the inner wall of the circumference of the outer barrel (11), an inner barrel (12) is fixedly mounted on the inner wall of the connecting plate (13), a lifting plate (21) is slidably mounted in the inner barrel (12), a first stirring rod (22) is fixedly mounted on the lifting plate (21), a sleeve rod (23) is fixedly mounted on the lifting plate (21), a rotating disk (25) is provided on the lifting plate (21), and a second stirring rod (24) is fixedly mounted on the rotating disk (25); The rotating disk (25) is provided with a special scraper (27), a bearing (28) is sleeved on the special scraper (27), a cover plate (31) is sleeved on the bearing (28), a rotating screw (18) is installed on the inner wall of the sleeve rod (23) through a thread, a second bevel gear (19) is fixedly installed through the rotating screw (18), a first bevel gear (16) is meshed on the second bevel gear (19), and a rotating shaft (15) is inserted and fixedly installed on the first bevel gear (16); The inner wall of the inner barrel (12) is provided with a T-shaped block (37), a limiting sleeve (38) is fixedly mounted on the T-shaped block (37), a feeding pipe (32) is provided on the cover plate (31), and the feeding pipe (32) is slidably mounted in the limiting sleeve (38).

2. The device for preparing plaster material for mural restoration according to claim 1, characterized in that: A water tank is provided between the outer barrel (11) and the inner barrel (12); the number of first stirring rods (22) on the lifting plate (21) is four, and the first stirring rods (22) are aligned with the limiting sleeve (38); The lower end of the rotating disk (25) is installed in the sleeve rod (23) by rotating and sliding, and the number of the second stirring rods (24) is four.

3. The device for preparing plaster material for mural restoration according to claim 2, characterized in that: The upper end of the rotating disk (25) is provided with a mounting groove (26); The special scraper (27) is slidably mounted in a mounting groove (26) provided on the rotating disk (25) in a limited manner, and two limited sliding grooves (29) are equidistantly provided on the outer surface of the bearing (28).

4. The device for preparing plaster material for mural restoration according to claim 3, characterized in that: A cross plate (17) is fixedly mounted on the bottom of the outer barrel (11); The lower end of the rotating screw (18) is rotatably sleeved in the cross plate (17).

5. The device for preparing plaster material for mural restoration according to claim 4, characterized in that: The rotating shaft (15) is rotatably mounted on the outer barrel (11) and the inner barrel (12); Wherein, a forward and reverse motor (14) is fixedly mounted on the side end of the outer barrel (11), and the forward and reverse motor (14) is fixedly connected to the rotating shaft (15) via an output shaft.

6. The device for preparing plaster material for mural restoration according to claim 5, characterized in that: A locking screw (36) is installed between the outer barrel (11), the inner barrel (12) and the connecting plate (13) through a thread, and the end of the locking screw (36) is attached to the side end of the T-shaped block (37); The inner wall of the inner barrel (12) is provided with a T-shaped slide groove (39), and the T-shaped block (37) is installed in a limited sliding manner in the T-shaped slide groove (39) provided in the inner barrel (12).

7. The device for preparing plaster material for mural restoration according to claim 6, characterized in that: The cover plate (31) is provided with two sets of quick-release mechanisms for fixing the bearing (28), and the quick-release mechanisms include a limiting sleeve (38); A guide rod (35) is slidably mounted through the limiting sleeve (38), and the guide rod (35) is fixedly mounted in the cover plate (31).

8. The device for preparing plaster material for mural restoration according to claim 7, characterized in that: A return spring (34) is sleeved on the guide rod (35), and the return spring (34) is fixedly installed between the cover plate (31) and the clamping rod (33); The side end of the clamping rod (33) is slidably mounted in a limiting sliding groove (29) provided in the bearing (28).

9. The device for preparing plaster material for mural restoration according to claim 8, characterized in that: The special scraper (27) is provided with a limit groove; Wherein, a manual rocker (41) is provided in the limiting groove formed on the special scraper (27).

10. A mural restoration process, comprising using the mural restoration plaster material preparation device according to any one of claims 1 to 9, characterized in that: A method for preparing a plaster material includes a mural artifact (42), an NFC-compatible microchip (43), a plaster material (44), an organic ultraviolet fluorescent powder, and an anti-mold and antibacterial agent; The following steps are involved: S1: The lime paste should be aged for two months before mixing, so that the calcium hydroxide content of the lime paste is greater than 90%. The ramie fiber used is natural and free of mold and rot. The ramie fiber is hit with a wooden hammer for 30 minutes until it becomes flocculent, and the fiber length is controlled to be 10 mm; S2: Pour lime paste into the inner barrel (12), add warm water through the water inlet at the upper end of the outer barrel (11), and fill the water tank between the outer barrel (11) and the inner barrel (12) with warm water at 15 to 30 degrees. The warm water between the outer barrel (11) and the inner barrel (12) can keep the lime paste inside the inner barrel (12) warm. Cover the cover plate (31), the feeding pipe (32) fixed at the upper end of which is inserted into the limiting sleeve (38), the cover plate (31) is stabilized at the upper end of the inner barrel (12), and the manual rocker (41) is inserted into the limiting groove at the upper end of the special scraper (27); S3: Ramie fibers of ten millimeters in length, mildew and antibacterial agents, and organic ultraviolet fluorescent powder are added into the inner barrel (12) in small amounts multiple times through the feeding pipe (32) (wherein the mass ratio of lime paste: organic ultraviolet fluorescent powder: ramie fibers is 100:25:1). At the same time, the operator rotates the manual rocker (41), which drives the special scraper (27) to rotate, and the special scraper (27) drives the rotating disk (25) to rotate. The four second stirring rods (24) at the lower end of the rotating disk (25) stir the lime paste to mix the lime paste with the ramie fibers. At the same time, the operator controls the rotation of the rotating disk (25). The forward and reverse motor (14) drives the rotating shaft (15) to rotate through the output shaft, and the rotating shaft (15) is meshed with the first bevel gear (16) and the second bevel gear (19) to drive the rotating screw (18) to rotate. The rotating screw (18) and the sleeve rod (23) are threadedly connected only at the position of the threaded connection (51). The rotating screw (18) rotates in the opposite direction. Because the rotating screw (18) and the sleeve rod (23) are fixed by the threaded connection, the rotating screw (18) drives the four first stirring rods (22) to rotate through the sleeve rod (23), so as to stir and mix the lime paste and ramie fiber. S4: After the lime paste and ramie fiber are mixed, the cover plate (31) is removed, the cover plate (31) is separated from the special scraper (27), the rotating disk (25) and the four second stirring rods (24) are taken out from the inner barrel (12), and the lime paste material (44) mixed with the lime paste and ramie fiber is scraped with the special scraper (27) and applied to the mural artifact (42), while ensuring that the fibers are oriented, in preparation for the subsequent embedding of the NFC-compatible microchip (43). The NFC-compatible microchip (43) adopts a multi-layer structure design, and the inner layer is inlaid with epoxy resin for the information storage chip. The outer layer is coated with organic silicon waterproof material. The length and width of the NFC compatible microchip (43) are less than 7 mm and the thickness is less than 2 mm. The material used is compatible with the chemical properties of the plant fiber to avoid adverse reactions caused by long-term contact. When the plaster material (44) is about two to five millimeters away from the upper surface of the mural artifact (42), the NFC compatible microchip (43) is horizontally embedded in the plaster material (44). The fiber network formed between the fibers and the bonding effect of the plaster itself are used to fix the NFC compatible microchip (43). After the NFC compatible microchip (43) is embedded, the plaster material (44) is continued to be applied. S5: The restored mural artifact (42) is subjected to a dry-wet cycle. After 30 cycles, it is detected that no cracks appear between the restored part and the original artifact. A 365nm ultraviolet light is used for irradiation. The luminous intensity is good and the chip position can be well indicated. A mobile phone is placed within 5 cm of the NFC-compatible microchip (43). The NFC-compatible microchip (43) at the restored part can be identified and a corresponding link pops up. After clicking the link, various information about the artifact can be read. Relevant personnel can quickly determine whether the mural sample has been restored. The restored mural artifact (42) is placed in a high humidity environment with a relative humidity of 90%. After 60 days, the mobile phone is placed within 5 cm of the NFC-compatible microchip (43) again to detect whether the NFC-compatible microchip (43) at the restored part is identified.

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