32results about How to "Eliminate the effects of flatness" patented technology

The invention discloses a supporting device of a high-water-content side slope. The supporting device comprises multiple transverse steel bars and longitudinal steel bars which are arranged in a net shape. Anchor columns are arranged at the lap-joint positions of the transverse steel bars and the longitudinal steel bars. Each anchor column comprises a column body. An anchor head is fixed to the bottom of each column body. A blind hole is formed in each column body. An inner sleeve is movably connected in each blind hole in an inserted manner. Two perpendicular through holes are formed in eachinner sleeve. Two through grooves cooperating with the corresponding through holes are arranged on the surface of each column body. A cushion block is arranged in each inner sleeve. The top of each inner sleeve is in shaft joint with a first adjusting rod through a first bearing. A through threaded hole is formed in each first adjusting rod and the corresponding inner sleeve. A second adjusting rod is in threaded connection in each threaded hole. The bottom of each second adjusting rod is in shaft joint with a press block through a second bearing. The press blocks are in pressure joint to thetransverse steel bars. A protection net is connected between the transverse steel bars and the longitudinal steel bars in a hanging manner. According to the supporting device, the defects in the priorart can be overcome, the protection effect to the side slope is improved, water and soil losses of the side slope are reduced, and the ecological environment is protected.

The invention relates to a repairing method and a method for manufacturing a color filter substrate. The repairing method is suitable for repairing bubble defect on the surface of a glass substrate; the repairing method comprises the following steps: firstly, the sunken depth caused by the bubble defect is reckoned; and secondly, a repairing material is filled in the bubble defect so as to reduce the influence of the bubble defect on the surface planeness. The method for manufacturing the color filter substrate comprises that: the glass substrate is provided; whether the bubble defect is on the surface of the glass substrate is judged; the sunken depth caused by the bubble defect is reckoned; the repairing material is filled in the bubble defect so as to reduce the influence of the bubble defect on the surface planeness; a color filter layer is formed on the glass substrate; and a common electrode is formed on the color filter layer. The repairing method can be applied to a process of the color filter substrate so as to increase the manufacturing qualification rate of the color filter substrate.

The invention discloses a vehicle-mounted ice surface repairing device based on dry ice refrigeration for short-track speed skating. The device comprises a supporting top plate; walking side plates are fixedly connected to the left and right sides of the top of the supporting top plate; a transmission sleeve rod is fixedly connected to the left side of the top of the supporting top plate; a transmission screw rod penetrates through the transmission sleeve rod and is in threaded connection with the transmission sleeve rod; the bottom end, located below the supporting top plate, of the transmission screw rod is fixedly connected with a limiting repairing mechanism; an ice layer pretreatment mechanism is fixedly connected to the middle position of the top of the limiting repairing mechanism;a filling and leveling scraping plate is fixedly connected to the bottom of the supporting top plate and located on the back face of the walking wheel; limiting inner rails are fixedly connected to the inner sides of the back faces of the walking side plates; and ice scraping knives are slidably connected into the limiting inner rails. According to the vehicle-mounted ice surface repairing devicebased on dry ice refrigeration for short-path speed skating, which relates to the technical field of short-track speed skating ice tracks, the firmness of a repaired ice layer is improved, rapid ice surface repairing is achieved, and consumption of ice surface repairing is reduced.

The invention relates to a buttress type ecological retaining wall structure which comprises a buttress vertical plate. A buttress bottom plate is arranged at the lower end of the buttress vertical plate. The shore side of the buttress vertical plate and the buttress bottom plate are connected and strengthened through a buttress rib plate. An ecological building block is arranged on the water side of the buttress vertical plate and comprises a planting soil material which is tightly attached to the water side of the buttress vertical plate, and multiple building block bodies arranged above the planting soil material. The multiple building block bodies are spliced in a staggered manner, plants are planted on the multiple building block bodies, the ecological building block and the buttress vertical plate are connected through connecting ribs, and the ecological building block and the buttress vertical plate are sequentially fixed. Water and soil connecting round hole channels are transversely arranged in the buttress vertical plate so that the shore side of the buttress vertical plate can communicate with the water side of the buttress vertical plate. The buttress type ecological retaining wall structure has the functions of being convenient to construct, ecological, attractive, economical and the like and is suitable for places where geological conditions are good, land resources are relatively in shortage and other structures exist nearby and suitable for river channels with high river channel water flowing speed and high requirements for the shore anti-erosion capability for shore protection, and the application prospect is wide.

The invention relates to glass-solder microwave-welded planar tempered vacuum glass edge-sealed by using bar frames. The glass is characterized in that upper glass and lower glass are common tempered glass or plated tempered glass. Edge-sealing bar frames are provided at the peripheries of the upper glass and lower glass. The peripheries of the upper and lower glass are welded together with microwaves by using a glass solder. A sealed vacuum layer is formed between the upper glass and lower glass. One or two layers of supporters are provided in the vacuum layer. The edge-sealing bar frames and the supporters are composed of tempered glass ink and a high-polymer. The high-polymer is first prepared into a pre-polymer. When the glass is tempered, the pre-polymer is prepared on the glass or on the tempered glass ink. The pre-polymer is cured into elastomer under room temperature or high temperature. The pre-polymer or elastomer can be automatically adapt to the changes in the height of the vacuum layer. Volatile gases in the elastomer can be eliminated under high temperature and high vacuum. The method provided by the invention is suitable for mechanized and automated productions. With the method, mass productions of high-performance and low-cost tempered vacuum glass can be realized.

The invention relates to low vacuum glass. The low vacuum glass is characterized in that each of upper glass and lower glass is convex glass, edge sealing strip frames are arranged on the welded peripheries of the upper glass and the lower glass, and the upper glass and the lower glass are welded together by utilizing metal or alloy solder in a microwave oven; and the manufacturing of the low vacuum glass is simpler and more convenient, and the matching of the upper and the lower edge sealing strip frames can ensure a good sealing effect. The method has the advantages of simpleness in manufacturing process, low cost, high production efficiency, reliability in sealing and connecting and good sealing effect; the one-step large-batch preparation of the low vacuum glass can be realized by utilizing the technology, and the manufactured low vacuum glass is strong in resistance to wind pressure and good in heat insulation and sound insulation; and the method can be used for manufacturing the ordinary low vacuum glass and is particularly suitable for manufacturing tempered low vacuum glass.

The invention belongs to the technical field of float glass polishing, and discloses a polishing device and a polishing method for improving the flatness of float glass. The polishing device comprises a feeding mechanism, a polishing mechanism and a flushing mechanism, wherein the feeding mechanism comprises a shell and a conveyor belt device; a cleaning chamber and an installation chamber are arranged in the shell; the conveyor belt device is fixed into the installation chamber; the top surface of the conveyor belt device is higher than the top surface of the shell; a conveyor belt in the conveyor belt device adopts a fine mesh-shaped structure; a U-shaped plate, a guiding roller group and a cleaning fluid guiding box are further arrange din the installation chamber; and a belt guiding roller group is further arranged in the cleaning chamber. According to the polishing device and the polishing method for improving the flatness of the float glass provided by the invention, the processes of automatic feeding, automatic positioning, automatic polishing, automatic cleaning and drying and the like are combined, so that the working efficiency of the whole polishing device can be greatly improved; and the guiding roller group is contained in an automatic feeding structure, so that the separation between a polishing area and a cleaning area is effectively realized, and the polishing quality is ensured.

The invention discloses low-altitude glass. The low-altitude glass is characterized in that upper glass and lower glass are convex; the peripheries of the upper and lower glass are provided with edge sealing strip frames; and the upper and lower glass are welded together by low-temperature glass solders in a microwave oven, so that the low-altitude glass is simpler and more convenient to manufacture, and a sealing effect is ensured by the embedding combination of the upper and lower edge sealing strip frames. A manufacturing method of the low-altitude glass provided by the invention is simple in process, low in cost and high in production efficiency, can ensure reliable sealing connection and the good sealing effect, can be used for manufacturing low-altitude glass in mass by virtue of a one-step method, and can be used for manufacturing not only common low-altitude glass but also tempered low-altitude glass.

The invention relates to a multipoint contact elastic piece type paddy filed travelling mechanism. A driving wheel bearing and a driven wheel bearing are mounted on a rack. A driving wheel and a driven wheel are mounted on the driving wheel bearing and the driven wheel bearing correspondingly. A supporting track is chained with the rack. A chain is engaged with the driving wheel and the driven wheel. The lower half part of the chain makes contact with the supporting track. The upper half part makes contact with a chain towing track. Each elastic piece is connected with one link of the chain through a chain sheet connector, and the elastic pieces are arranged at equal intervals. The multiple elastic pieces are adopted for bearing load jointly, each elastic piece is deformed after making contact with soil and makes fully contact with the soil after being deformed, bearing capacity is distributed on all bearing points, stress on each bearing point is small, and settlement is small; and the influence on the flatness of a water field is reduced, the deformed parts, making contact with the soil, of the elastic pieces generate tangential relative speed when the elastic pieces leave the soil, and desliming is facilitated. The mechanism is simple in structure, convenient to mount, low in cost, capable of carrying various large agricultural machines to go to the water field and quite wide in application.

The invention discloses an embedded traffic rail assembly. The embedded traffic rail assembly comprises an outer positioning shell and a rail board, a placing groove is formed in the surface of the rail board, a damping cushion is arranged at the inner bottom of the placing groove, steel rails are arranged on the surface of the damping cushion, and the portion between the steel rails and the placing groove is filled with a high-molecular pouring material; adjusting cavities are formed in the four corners of the surface of the rail board, through holes and pouring holes run through the inner bottom faces of the adjusting cavities, adjusting bolts penetrate through the through holes, and adjusting boards are fixedly installed on the outer sides of the adjusting bolts; fixing sleeves are installed on the inner bottom face of the outer positioning shell, and a pouring supporting layer is arranged between the outer positioning shell and the rail board. The embedded traffic rail assembly hasthe advantages that laying of the device is completed, adjustment of the height of the rail board can be achieved through the adjusting bolts and the adjusting boards, and therefore adjustment of theheight of the steel rails is achieved; the influence of settling after the embedded traffic rail assembly is used for a long time on the flush performance between the steel rails can be eliminated, the flush performance between the steel rails is guaranteed, and the train driving safety is guaranteed.

The invention discloses double-machine double-layer continuous slip-form concrete paving construction application, which specifically comprises the following steps: adopting two slip-form pavers to carry out double-machine double-layer echelon combined slip-form paving construction operation. The method comprises the following steps that: (1), a front slip-form paver with an IDBI device performs slip-form paving construction on a first bottom layer in front; the forming width is the sum of the width of the main lane and the width of the curb strip, the forming thickness is 2 / 3 of the design thickness, a dowel bar is automatically implanted, and the embedding depth is equal to 2 / 3 of the design thickness minus 1 / 2 of the design thickness; (2), a rear slip-form paver is close to the front slip-form paver for paving a second upper layer, the paving width is consistent with that of the first bottom layer, and the thickness is 1 / 3 of the designed thickness; and (3), the distance between the foremost side of a front crawler belt of the rear paver and the rearmost side of a rear crawler belt of the front paver to be 8 meters, and synchronization is performed during paving. The application has the effect that the flatness qualification rate of the concrete on the forming surface is high, and the defect of the concrete above the dowel bar caused when the dowel bar is placed is overcome.

The invention discloses metal-solder-welded planar toughened vacuum glass with edges being sealed by strip borders. The metal-solder-welded planar toughened vacuum glass is characterized in that upper glass and lower glass are planar ordinary toughened glass or coated toughened steel; the peripheries of the welding surfaces of the upper glass and the lower glass are provided with edge-sealing strip borders; the peripheries of the upper glass and the lower glass are welded together through a metal solder; an enclosed vacuum layer is formed between the upper glass and the lower glass; one or two layers of support objects are arranged in the vacuum layer; the edge-sealing strip borders and the support objects consist of toughened glass ink and a high polymer; the high polymer is prepared into a prepolymer firstly; after toughening of the glass, the prepolymer is prepared on the glass or the toughened glass ink; the prepolymer is cured into an elastomer at a room temperature or a high temperature; the prepolymer or the elastomer can automatically adapt to the height change of the vacuum layer; and the elastomer exhausts contained volatile gas at a high temperature and in high vacuum. Through adoption of the method disclosed by the invention, mechanical and automatic production can be implemented easily, and high-performance and low-cost toughened vacuum glass can be manufactured on a large scale.

The invention relates to a planar tempered vacuum glass which is microwave-welded by using a metal solder and which is edge-sealed by using bar frames and a groove. The glass is characterized in that upper glass and lower glass are planar tempered glass. An edge-sealing bar frame is provided on the periphery of the upper glass; an edge-sealing bar frame and an edge-sealing groove are provided on the periphery of the lower glass; the peripheries of the upper glass and the lower glass are welded together by using a metal solder, such that a sealed vacuum layer is formed. One or two layers of supporters are provided in the vacuum layer. The edge-sealing bar frames and the supporters are composed of tempered glass ink and a high-polymer. The high-polymer is first prepared into a pre-polymer; when the glass is tempered, the pre-polymer is prepared on the tempered glass ink; and the pre-polymer is cured into elastomer under room temperature or high temperature. The pre-polymer or the elastomer can be automatically adapted to the changes of vacuum layer height. Volatile gases in the elastomer can be eliminated under high temperature and high vacuum. The method provided by the invention is suitable for mechanized and automated productions. With the method, mass production of tempered vacuum glass with high performance and low cost can be realized.

The invention discloses planar toughened vacuum glass welded by using a glass solder with edges being sealed by strip borders and a groove. The planar toughened vacuum glass is characterized in that upper glass and lower glass are planar ordinary toughened glass or coated toughened glass; the periphery of the upper glass is provided with an edge-sealing strip border; the periphery of the lower glass is provided with an edge-sealing strip border and an edge-sealing groove; the peripheries of the upper glass and the lower glass are welded together through a glass solder, thereby forming an enclosed vacuum layer; one or two layers of support objects are arranged in the vacuum layer; the edge-sealing strip borders and the support objects consist of toughened glass ink and a high polymer; the high polymer is prepared into a prepolymer firstly; after toughening of the glass, the prepolymer is prepared on the toughened glass ink; the prepolymer is cured into an elastomer at a room temperature or a high temperature; the prepolymer or the elastomer can automatically adapt to the height change of the vacuum layer; and the elastomer exhausts contained volatile gas at a high temperature and in high vacuum. Through adoption of the method disclosed by the invention, mechanical and automatic production can be implemented easily, and high-performance and low-cost toughened vacuum glass can be manufactured on a large scale.

The invention discloses planar toughened vacuum glass welded through a metal solder by means of microwaves with edges being sealed by grooves. The planar toughened vacuum glass consists of upper glass and lower glass, and is characterized in that the periphery of the upper glass is provided with an edge-sealing strip border; the periphery of the lower glass is welded with an edge-sealing groove; the peripheries of the upper glass and the lower glass are welded together through the metal solder by means of microwaves; an enclosed vacuum layer is formed between the upper glass and the lower glass; one or two layers of support objects are arranged in the vacuum layer; the edge-sealing strip border and the support objects are made by compounding toughened glass ink and / or a high polymer; the high polymer is prepared into a prepolymer firstly; after toughening of the glass, the prepolymer is prepared on the glass or the toughened glass ink; the prepolymer is cured into an elastomer at a room temperature or a high temperature at last; the prepolymer or the elastomer can automatically adapt to the height change of the vacuum layer; and the elastomer exhausts own contained volatile gas at a high temperature and in high vacuum. Through adoption of a method disclosed by the invention, mechanical and automatic production can be implemented easily, and high-performance and low-cost toughened vacuum glass can be manufactured on a large scale.

The embodiment of the invention discloses a display panel and a display device. The display panel comprises a pixel definition layer which comprises a first metal layer provided with a plurality of openings at intervals, and a light-emitting layer which comprises a plurality of light-emitting units, wherein each light-emitting unit is located in the corresponding opening. The first metal layer is arranged in the pixel definition layer so that the influence on the flatness of the surface of the array substrate due to the fact that the first metal layer is arranged in the array substrate can be reduced, and the display uniformity of the display panel is improved.

The invention relates to a preparation process of a reinforced communication pipe with a lead, which comprises the following steps: S1, mixing a first raw material, and carrying out ultrasonic high-speed dispersion to obtain a first mixture; s2, adding a second raw material into the first mixture, mixing, and performing ultrasonic high-speed dispersion to obtain a second mixture; s3, adding a third raw material into the second mixture, mixing, carrying out ultrasonic high-speed dispersion, and after the dispersion is completed, adding into a double-screw extruder, and carrying out melt mixing, so as to obtain a third mixture; s4, the third mixture is added into an extruder for extrusion, and a communication pipe pre-finished product is obtained; and S5, the pre-finished product is added into a cutting device, the pre-finished product communication pipe is cut, and the reinforced communication pipe with the lead is obtained. According to the communication pipe cutting device, the cutting process can be mastered in real time in the pipe preparation process, the quality of communication pipes is improved, and the cutting speed is effectively increased.

The invention discloses metal-solder-welded planar toughened vacuum glass with edges being sealed by strip borders and groove. The planar toughened vacuum glass is characterized in that upper glass and lower glass are planar ordinary toughened glass or coated toughened glass; the periphery of the upper glass is provided with an edge-sealing strip border; the periphery of the lower glass is provided with an edge-sealing strip border and an edge-sealing groove; the peripheries of the upper glass and the lower glass are welded together through a metal solder, thereby forming an enclosed vacuum layer; one or two layers of support objects are arranged in the vacuum layer; the sealing strip borders and the support objects consist of toughened glass ink and a high polymer; the high polymer is prepared into a prepolymer firstly; after toughening of the glass, the prepolymer is prepared on the toughened glass ink; the prepolymer is cured into an elastomer at a room temperature or a high temperature; the prepolymer or the elastomer can automatically adapt to the height change of the vacuum layer; and the elastomer exhausts contained volatile gas at a high temperature and in high vacuum. Through adoption of a method disclosed by the invention, mechanical and automatic production can be implemented easily, and high-performance and low-cost toughened vacuum glass can be manufactured on a large scale.

A flat tempered vacuum glass edge-sealed with sealing bars and having a vacuumizing hole is characterized in that an upper glass and a lower glass are flat tempered glass. A vacuumizing hole is formed in the upper glass. Peripheries of the upper glass and the vacuumizing hole are provided with the sealing bars and the periphery of the lower glass and positions corresponding to the vacuumizing hole are provided with the sealing bars. The peripheries of the upper glass and the lower glass are welded to each other in an edge-sealing oven at a normal pressure through a low-temperature glass solder. The vacuumizing hole is automatically sealed in a vacuum oven through a metal solder. A sealed vacuum layer, with a dot-array-arranged support object therein, is formed between the upper glass and the lower glass. The edge-sealing bar and / or the support object are composed of tempered glass printing ink and / or a high polymer. The high polymer is firstly prepared into a pre-polymer. The pre-polymer, after the glass being tempered, is manufactured on the glass or the tempered glass printing ink. Finally the pre-polymer is solidified to form an elastomer at room temperature or a high temperature. The pre-polymer or the elastomer can automatically adapt with change of height of the vacuum layer. Volatile gas in the elastomer is exhausted from the elastomer at a high temperature and a high vacuum degree.

The invention relates to glass-solder microwave-welded planar tempered vacuum glass with the edge sealed by using bar frames and a groove. The glass is characterized in that upper glass and lower glass are planar tempered glass. An edge-sealing bar frame is provided on the periphery of the upper glass. An edge-sealing bar frame and an edge-sealing groove are provided on the periphery of the lower glass. The peripheries of the upper glass and the lower glass are welded together with a glass solder by using microwave, such that a sealed vacuum layer is formed. One or two layers of supporters are provided in the vacuum layer. The edge-sealing bar frames and the supporters are composed of tempered glass ink and a high-polymer. The high-polymer is first prepared into a pre-polymer. When the glass is tempered, the pre-polymer is prepared on the tempered glass ink. the pre-polymer is cured into elastomer under room temperature or high temperature. The pre-polymer or elastomer can be automatically adapted to the changes of the height of the vacuum layer. Volatile gases in the elastomer can be eliminated under high temperature and high vacuum. The method provided by the invention is suitable for mechanized and automated productions. With the method, mass productions of high-performance and low-cost tempered vacuum glass can be realized.

The invention discloses an anti-deformation jointing die for a board book. The die comprises a carrier, a layer of rubber covers a gluing working surface of the carrier, bulges with closed outer contours are uniformly distributed on the rubber, and the distribution density of the bulges is set by taking the gluing area required for laminated board book inner pages as a standard. According to the die, the elasticity and flexibility of the working surface of the carrier are increased through the rubber, glue marks after gluing form relatively independent closed bodies one by one through the bulges, with closed outer contours, arranged on the rubber, stress is relatively closed, concentrated and uniform, and the phenomenon of mutual stress concentration among the glue marks when glue is driedand contracted is avoided; and the manufactured laminated board book is stable in quality and high in flatness, is not limited by the size of the board book, and cannot deform and wrinkle after beingused for a long time.

The invention discloses a motion compensation method suitable for the lifting and installing process of an FPSO upper module. The method comprises the steps of establishing a global coordinate system and a ship body coordinate system; calculating an initial target plane equation in the FPSO upper module installation process by using a GPS position sensor; calculating an FPSO upper module installation process target plane equation by using an RMU pose sensor; calculating a lifting plane equation of the FPSO upper module installation process through a laser distance measuring sensor; calculating the compensation amount of each lifting point in the installation process of the FPSO upper module; synchronously increading lifting heights of all the tension oil cylinders in a lifting installation system which is set in the computer, and gradually lifting the FPSO upper module to the position coplanar with the FPSO ship deck plane. According to the method, the butt joint precision is greatly guaranteed, the safety of the installation process is guaranteed, the change of the marine environment on a wharf can be efficiently dealt with, and the problems that in the FPSO upper module lifting installation process, the FPSO ship body pose change is fast, and the butt joint precision is poor can be effectively solved.

The invention discloses planar toughened vacuum glass welded by using a metal solder by means of microwave welding with edges being sealed by strip borders. The planar toughened vacuum glass is characterized in that upper glass and lower glass are planar ordinary toughened glass or coated toughened glass; the peripheries of the upper glass and the lower glass provided with edge-sealing strip borders; the peripheries of the upper glass and the lower glass are welded together through the glass solder by means of microwave welding; an enclosed vacuum layer is formed between the upper glass and the lower glass; one or two layers of support objects are arranged in the vacuum layer; the edge-sealing strip borders and the support objects consist of toughened glass ink and a high polymer; the high polymer is prepared into a prepolymer firstly; after toughening of the glass, the prepolymer is prepared on the toughened glass ink; the prepolymer is cured into an elastomer at a room temperature or a high temperature; the prepolymer or the elastomer can automatically adapt to the height change of the vacuum layer; and the elastomer exhausts contained volatile gas at a high temperature and in high vacuum. Through adoption of the method disclosed by the invention, mechanical and automatic production can be implemented easily, and high-performance and low-cost toughened vacuum glass can be manufactured on a large scale.

The invention provides an intelligent parkingand illegal parking detection system and a using method thereof. The intelligent parkingand illegal parking detection system includes a parking detection device (10), a car mobile terminal (11), a data center processor (12) and a manager terminal (13), and wireless information transmission is carried out among the parking detection device (10), the carmobile terminal (11), the data center processor (12) and the manager terminal (13). When the intelligent parkingand illegal parking detection system is in use and a car owner inputs a specific destination location through the car mobile terminal (11), the car mobile terminal (11) searches for parking information near the destination and provides the location of a free parking space to the car owner, the car owner selects the appropriate free parking space at the car mobile terminal ( 11) according to various factors such as time, distance, road condition and parking fee, the owner makes a parking space reservation through the car mobile terminal (11), and after the reservation is successful, a car moves to the reserved parking space according to the corresponding navigation prompt. The intelligent parking and illegal parking detection system and the using method thereof can timely inform the car owner who need to park the car of parking space information in a region, the parking time of the owner is greatly saved, and the utilization of the parking space in the entire region is improved.

A flat tempered vacuum glass welded by a glass solder and edge-sealed through a groove is composed of an upper glass and a lower glass and is characterized in that a periphery of the upper glass is provided with an edge-sealing bar frame and the periphery of the lower glass is provided with an edge-sealing groove. The peripheries of the upper glass and the lower glass are welded to each other through the metal solder. A sealed vacuum layer, with a supporting object therein, is formed between the upper glass and the lower glass, wherein the supporting object includes one layer or two layers. The edge-sealing bar frame and the supporting object are manufactured from tempered glass printing ink and a high polymer in a composite manner. The high polymer is firstly prepared into a pre-polymer. The pre-polymer, after the glass being tempered, is manufactured on the glass or the tempered glass printing ink. Finally the pre-polymer is solidified to form an elastomer at room temperature or a high temperature. The pre-polymer or the elastomer can automatically adapt with change of height of the vacuum layer. Volatile gas in the elastomer is exhausted from the elastomer at a high temperature and a high vacuum degree. The method is easy to mechanize and automate and can be used for manufacturing the tempered vacuum glass with high performance and low cost in large scale.

The embodiment of the invention discloses a supporting plate, a mask plate and a preparation method of the mask plate. In one specific implementation mode, the supporting plate for the mask plate comprises a plate body, wherein the plate body comprises a first surface, a second surface and a side wall connected with the first surface and the second surface; and the plate body further comprises at least one hollow area penetrating through the first surface and the second surface. The supporting plate further comprises a protruding part formed by protruding outwards from the side wall of the plate body, and the protruding part is used for being fixedly connected with a frame of the mask plate; and the thickness of the protruding part is less than that of the plate body. The supporting plate is directly connected and fixed with the frame of the mask plate by arranging the protruding part, a traditional stretching assembly process for a single metal mask layer is replaced, a net stretching process is greatly simplified, and therefore the bad conditions that the metal mask layer is prone to deformation, wrinkles or damage and the like in the stretching process in the prior art are prevented.

The invention discloses planar toughened vacuum glass provided with an extraction opening with edges being sealed by sealing strips and sealing grooves. The planar toughened vacuum glass is characterized in that upper glass and lower glass are planar toughened glass; the upper glass is provided with the extraction opening; the sealing strips are arranged on the peripheries of the upper glass and the extraction opening, and the sealing strips and the sealing grooves are arranged on the periphery of the lower glass and corresponding positions of the extraction opening; the peripheries of the upper glass and the lower glass are welded together in an edge-sealing furnace under a normal pressure through a glass solder; the extraction opening is automatically enclosed in a vacuum furnace by using a metal solder; an enclosed vacuum layer is formed between the upper glass and the lower glass; one or two layers of support objects are arranged in the vacuum layer; the sealing strips and / or the support objects consist of toughened glass ink and a high polymer; the high polymer is prepared into a prepolymer firstly; after toughening of the glass, the prepolymer is prepared on the glass or the toughened glass ink; the prepolymer is cured into an elastomer at a room temperature or a high temperature; the prepolymer or the elastomer can automatically adapt to the height change of the vacuum layer; and the elastomer exhausts contained volatile gas at a high temperature and in high vacuum.