Intelligent spraying equipment for anti-fog coating of mirror surface

Abstract

The invention relates to the technical field of mirror processing, in particular to intelligent spraying equipment for mirror surface anti-fog coatings, which comprises a spraying chamber, a feeding port is formed in one side of the spraying chamber, a conveying platform is mounted at the bottom of the spraying chamber, the conveying platform comprises a conveying plate for supporting a mirror, a plurality of groups of positioning assemblies are arranged on the conveying plate, and the positioning assemblies are arranged on the conveying plate. A spraying structure with an adjustable spraying range is arranged at the top of the inner side of the spraying chamber; actual contours of mirror surfaces with different shapes and sizes are sensed through the positioning assemblies distributed in an array mode, the moving distance of an adjusting plate in the spraying structure is controlled through the pressing structure, and a liquid inlet channel and a first spraying head or a second spraying head in the corresponding range are dynamically opened, so that the spraying range and the mirror surface contours are accurately matched in real time; the coating overflow waste in a non-mirror surface area is avoided, manual parameter presetting or frequent debugging is not needed, the model changing time is remarkably shortened, and the production requirements of various mirror surfaces such as rectangular, circular and special-shaped mirror surfaces are met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mirror processing, in particular to a mirror anti-fog coating intelligent spraying equipment. BACKGROUND

[0002] In the field of mirror production, anti-fog coating spraying is the core process link to improve product durability and functionality. With the growing demand for personalized mirror surfaces in the consumer market, bathroom mirrors, cosmetic mirrors and other products are showing diversified shape designs, expanding from traditional rectangular and circular shapes to complex shapes such as irregular cutting, which poses strict requirements on anti-fog coating spraying. In the existing mirror production process, after cutting, edging, silver plating and other processes, the mirror surface needs to be coated with anti-fog coating through a spraying equipment. However, the current spraying process has significant technical limitations. Traditional spraying equipment relies on preset programs or manual parameter adjustment and can only adapt to a single standard shape of mirror surface. Since different shapes of products such as circular, polygonal and wavy edges are often required in mirror production, frequent manual parameter adjustment results in a long changeover time, which seriously hinders the efficiency of the production line. At the same time, the existing equipment lacks dynamic sensing capability for the actual profile of the mirror surface, and the spraying range is mostly based on the largest size of the mirror surface. When spraying small-sized irregular mirrors, a large amount of anti-fog coating will overflow the edge of the mirror surface. Statistics show that the effective utilization rate of anti-fog coating in traditional processes is less than 60%. Especially for high-cost nano anti-fog liquid, material waste directly leads to increased production cost. Therefore, a mirror anti-fog coating intelligent spraying equipment is proposed, which can automatically adjust the spraying range according to the shape of the mirror surface, solving the problems of shape adaptation difficulty, large material waste and unstable quality in mirror production. SUMMARY

[0003] In view of the problems in the prior art, the present application provides a mirror anti-fog coating intelligent spraying equipment, which can automatically adjust the spraying range according to the shape of the mirror surface, solving the problems of shape adaptation difficulty, large material waste and unstable quality in mirror production.

[0004] The technical solution adopted by the present application to solve its technical problems is a mirror anti-fog coating intelligent spraying equipment, which comprises a spraying chamber. One side of the spraying chamber is provided with a feeding port. A conveying platform is installed at the bottom of the spraying chamber. The conveying platform comprises a conveying plate for supporting the mirror. A plurality of sets of positioning components are arranged on the conveying plate. A spraying structure with adjustable spraying range is arranged at the inner top of the spraying chamber. A pressing structure is arranged at the inner bottom of the spraying chamber to control the spraying range of the spraying structure under the extrusion of the positioning components.

[0005] Specifically, the positioning components comprise a plurality of sets of positioning grooves arranged in an array on the conveying plate. A positioning rod is slidably connected in the positioning groove. The lower end of the positioning rod is fixedly connected with an inverted trapezoidal extrusion block. An extrusion spring is fixedly connected between the upper surface of the extrusion block and the conveying plate.

[0006] Specifically, the spraying structure comprises a fixed pipe arranged horizontally and closed at both ends, a spraying pipe arranged outside the fixed pipe, coaxial sleeves fixedly connected to both ends of the fixed pipe, sealing plates sealingly and slidably connected in the sleeves, supporting springs connected between the sealing plates and the inner walls of the sleeves, adjusting rods fixedly connected to one side of each of the sealing plates and arranged horizontally, adjusting plates fixedly connected to one end of each of the adjusting rods and penetrating the fixed pipe, and the adjusting rods sealingly and dampingly slidably connected to the fixed pipe, wherein two adjusting plates are in contact with each other in an initial state. A plurality of groups of first nozzles are arranged on the spraying pipe in an axial direction, and a plurality of groups of liquid inlet channels corresponding to the first nozzles are arranged on the inner wall of the fixed pipe.

[0007] Specifically, the pressing structure comprises a hollow mounting plate arranged at the bottom of the spraying chamber, a plurality of groups of air cylinders fixedly connected to the mounting plate and arranged horizontally, extruding blocks corresponding to the movable ends of the air cylinders, and pipes connecting the air cylinders and the inside of the mounting plate, wherein one end of each of the sleeves close to each other is communicated with an air inlet joint, and the air inlet joint is communicated with the inside of the mounting plate.

[0008] Specifically, the middle part of the spraying pipe is communicated with a liquid inlet structure, and the liquid inlet structure comprises a sleeve shell rotatably connected to the middle part of the spraying pipe, a plurality of groups of arc-shaped liquid inlet grooves circumferentially distributed on the middle part of the spraying pipe and the fixed pipe, the arc-shaped liquid inlet grooves being respectively communicated with the inside of the spraying pipe and the fixed pipe, the sleeve shell being communicated with the arc-shaped liquid inlet grooves, a liquid inlet pipe fixedly connected to the sleeve shell and penetrating the spraying chamber, and a plurality of groups of sealing rubber rings fixedly connected to the inner wall of the spraying pipe.

[0009] Specifically, a plurality of groups of second nozzles are arranged on the spraying pipe in an axial direction, the second nozzles are located directly above the first nozzles in an initial state, one end of the spraying pipe penetrates the spraying chamber and is fixedly connected with a first gear, a driving rod is rotatably connected to the outside of the spraying chamber, a half gear is fixedly connected to one end of the driving rod, the half gear is in meshing transmission with the first gear, and a transmission gear is fixedly connected to the end of the driving rod away from the half gear. One end of the sleeve is provided with a driving structure in meshing transmission with the transmission gear.

[0010] Specifically, the driving structure comprises a rotating cylinder arranged at one end of one of the sleeves away from the fixed pipe, the rotating cylinder is rotatably connected to one end of the sleeve, a helical guide groove is arranged in the rotating cylinder, a guide rod is fixedly connected to the side of the sealing plate away from the adjusting rod, the guide rod penetrates the rotating cylinder, and a guide block is fixedly connected to the guide rod and slidably connected to the helical guide groove. The rotating cylinder is connected with a driving gear through a one-way bearing, and the driving gear is in meshing transmission with the transmission gear.

[0011] Specific, the sleeve is fixedly connected with the spraying chamber through the fixing support, and the outer side of the spraying chamber is fixedly connected with a protective frame.

[0012] Specific, the spraying chamber is fixedly connected with an air curtain machine above the side close to the feeding port; and the outer side of the spraying chamber is provided with a control platform.

[0013] Specific, the conveying platform further comprises an electric track arranged at the bottom of the spraying chamber, and the lower side of the conveying plate is connected with the electric track.

[0014] The beneficial effects of the present application are as follows: (1) The mirror anti-fog coating intelligent spraying equipment can sense the actual profile of mirrors with different shapes and sizes through the arrayed positioning components, control the moving distance of the adjusting plate in the spraying structure through the pressing structure, dynamically open the liquid inlet channels and the first spray head or the second spray head in the corresponding range, and make the spraying range and the mirror profile match in real time, so that the coating overflow and waste in the non-mirror area are avoided, manual parameter presetting or frequent debugging is not needed, the changeover time is significantly shortened, and various mirror production requirements such as rectangular, circular and special-shaped mirrors are adapted.

[0015] (2) The mirror anti-fog coating intelligent spraying equipment can control the periodic rotation of the spray pipe by 180° through the power accumulation of the driving structure, realize the alternate use of the first spray head and the second spray head, disperse the wear pressure of a single group of spray heads, reduce the pore blockage problem caused by the residual solid components of the coating, prolong the overall replacement cycle of the spray head, and reduce the equipment maintenance frequency and cost.

[0016] (3) The mirror anti-fog coating intelligent spraying equipment adopts the sealed damping sliding design of the adjusting rod and the fixed pipe, provides stable resistance when the sealing plate is reset, slows down the closing speed of the adjusting plate, ensures continuous and stable liquid supply before the mirror completely leaves the spraying area, effectively prevents problems such as end spraying leakage and uneven coating thickness caused by rapid closing, and improves the overall quality consistency of the mirror anti-fog coating.

[0017] (4) After the conveying plate drives the mirror to complete a spraying operation, the conveying plate is reset and moved by the electric track, and when the conveying plate is reset and moved, the mirror can be subjected to secondary spraying operation according to the processing requirement, the adhesion strength and functional stability of the anti-fog coating are enhanced, and the rework rate and production cost are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below in combination with the drawings and examples.

[0019] Figure 1 The present application is a perspective view; Figure 2 Another perspective view of the application; Figure 3 An enlarged view of area A of Figure 2 Figure 4 A delivery plate of the application; Figure 5 An internal structure of the protective frame of the application; Figure 6 A side view of the application; Figure 7 A spray pipe of the application; Figure 8 A cross-sectional structure of the spray pipe and the fixed pipe of the application; Figure 9 An enlarged view of area B of Figure 8 Figure 10 An enlarged view of area C of Figure 8 Figure 11 A cross-sectional structure of the rotating drum of the application; In the figure: 1, spray chamber; 2, feeding port; 3, delivery plate; 4, positioning groove; 5, positioning rod; 6, extrusion block; 7, extrusion spring; 8, fixed pipe; 9, spray pipe; 10, sleeve; 11, sealing plate; 12, adjusting rod; 13, adjusting plate; 14, first spray head; 15, liquid inlet channel; 16, mounting plate; 17, air cylinder; 18, air inlet connector; 19, sleeve; 20, arc-shaped liquid inlet groove; 21, liquid inlet pipe; 22, sealing rubber ring; 23, second spray head; 24, first gear; 25, driving rod; 26, half gear; 27, transmission gear; 28, rotating drum; 29, helical guide groove; 30, guide rod; 31, guide block; 32, driving gear; 33, fixed support; 34, protective frame; 35, air curtain machine; 36, control platform; 37, electric track; 38, one-way bearing; 39, supporting spring. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the application easy to understand, the application is further described below in combination with specific embodiments.

[0021] In order to automatically adjust the spraying range according to the shape of the mirror, solve the problems of shape adaptation difficulty, large material waste, unstable quality and the like in mirror production, as an embodiment of the application, as shown in Figure 1 , Figure 2 ​​​As shown, the mirror anti-fog coating intelligent spraying equipment of the present application comprises a spraying chamber 1, one side of the spraying chamber 1 is provided with a feeding port 2, the bottom of the spraying chamber 1 is provided with a conveying platform, the conveying platform comprises a conveying plate 3 for supporting the mirror, the conveying plate 3 is provided with a plurality of groups of positioning assemblies, the inner side top of the spraying chamber 1 is provided with a spraying structure with adjustable spraying range, and the inner side bottom of the spraying chamber 1 is provided with a pressing structure for controlling the spraying range of the spraying structure under the extrusion of the positioning assembly.

[0022] In use, the mirror to be sprayed with anti-fog coating is placed smoothly on the conveying plate 3, and the self-weight of the mirror will extrude the positioning assemblies in the contact area, so that the positioning assemblies at the corresponding positions are lowered, and due to the differences in the shape of the mirror, such as the special-shaped, narrow front end and wide rear end, etc., the edge and surface coverage area of the mirror will extrude different numbers and positions of the positioning assemblies, and the actual profile and size distribution of the mirror can be perceived through the lowered state of the positioning assemblies; Start the conveying platform, and the conveying plate 3 carrying the mirror moves along the preset path to the feeding port 2 of the spraying chamber 1, gradually enters the inner cavity of the spraying chamber 1, and as the conveying plate 3 continuously moves in the spraying chamber 1, the lowered positioning assemblies below will gradually contact and extrude the pressing structure at the bottom of the inner side of the spraying chamber 1, and the contact sequence and extrusion degree of the positioning assemblies at different positions and the pressing structure directly reflect the size characteristics of the corresponding area on the mirror, for example, for the mirror with smaller front end size and larger rear end size, the positioning assemblies at the front end of the conveying plate 3 are less lowered due to the small coverage range of the mirror, and when the front end of the conveying plate 3 moves to the corresponding area of the pressing structure, only a small number of positioning assemblies are extruded with the pressing structure; as the conveying plate 3 continues to move, the number of lowered positioning assemblies corresponding to the larger size area at the rear end increases, and the extrusion range and force of the positioning assemblies and the pressing structure also increase After being extruded by the positioning assemblies, the pressing structure will drive the spraying structure at the top of the inner side of the spraying chamber 1 to adjust the range, when the extrusion is weak and the local size of the mirror is small, the pressing structure controls the spraying structure to spray in a small range; when the extrusion is enhanced and the local size of the mirror is large, the pressing structure drives the spraying structure to further expand the spraying range, so as to ensure that the spraying range matches the actual size of the current area of the mirror; Through the dynamic perception of the shape of the mirror by the positioning assemblies, the conveying of the conveying plate 3 and the real-time driving and adjustment of the spraying structure by the pressing structure, the spraying range is automatically adapted to the shape and size of the mirror, and for mirrors with different shapes, such as special-shaped, circular, widened, etc., without manual presetting of parameters or adjustment of the equipment, the spraying range can cover the mirror area through the cooperation of the positioning assemblies and the pressing structure, effectively avoiding the waste of overflow of the coating due to the mismatch between the spraying range and the size of the mirror, improving the spraying efficiency and the stability of the coating quality, and especially suitable for diversified mirror production needs.

[0023] In order to facilitate the matching of mirrors of different sizes, as shown in Figure 1 、 Figure 4 , the present application also includes a positioning assembly including a plurality of arrays of positioning grooves 4 distributed on the conveying plate 3, a positioning rod 5 slidingly connected in the positioning groove 4, and an inverted trapezoidal extrusion block 6 fixedly connected to the lower end of the positioning rod 5. An extrusion spring 7 is fixedly connected between the upper surface of the extrusion block 6 and the conveying plate 3.

[0024] In use, in the initial state, under the action of the elastic force of the extrusion spring 7, the upper end of the positioning rod 5 protrudes above the surface of the conveying plate 3, the extrusion block 6 moves upward with the positioning rod 5, and the overall array is distributed on the conveying plate 3, forming a uniform sensing point array; Place the mirror to be sprayed stably on the conveying plate 3, and the weight of the mirror will generate a downward pressure on the positioning rod 5 in its covered area. Under the action of the pressure, the covered positioning rod 5 slides downward along the positioning groove 4, driving the inverted trapezoidal extrusion block 6 fixedly connected at the lower end to move downward synchronously, and at the same time, the extrusion spring 7 between the extrusion block 6 and the conveying plate 3 is compressed, storing elastic potential energy; Due to the different shapes of the mirror, such as irregular, rectangular, circular, etc., the position and number of the covered positioning assembly are different, and the positioning rod 5 and the extrusion block 6 in the covered area are continuously in the downward moving state, while the positioning rod 5 in the uncovered area remains in the initial protruding state under the action of the extrusion spring 7. By the downward and upward movement of the positioning assembly at different positions, the actual contour and size range of the mirror are marked; Start the conveying platform, and as the conveying plate 3 continuously moves in the spraying chamber 1, the downward moving positioning assembly below will gradually contact and be extruded by the pressing structure. After being extruded by the positioning assembly, the pressing structure will drive the spraying structure at the top of the inside of the spraying chamber 1 to adjust the range, so as to adjust the spraying range of the spraying structure, ensuring that the spraying range matches the actual size of the current area of the mirror surface; After the mirror is completed and removed from the conveying plate 3, the compressed extrusion spring 7 releases the elastic potential energy, pushing the extrusion block 6 and the positioning rod 5 to slide upward along the positioning groove 4, and restoring to the initial state of protruding above the surface of the conveying plate 3, preparing for the next mirror placement and positioning sensing.

[0025] In order to ensure that the anti-fog coating agent is only sprayed in the mirror covering area, as shown in Figure 6 、 Figure 7 、 Figure 8 、 Figure 9As shown, the present application also includes that the spraying structure comprises a fixed pipe 8 arranged horizontally and closed at both ends, the outer side of the fixed pipe 8 is provided with a spray pipe 9, both ends of the fixed pipe 8 are fixedly connected with coaxial sleeves 10, the sleeves 10 are sealingly and slidingly connected with sealing plates 11 inside, the sealing plates 11 are connected with support springs 39 between the inner walls of the sleeves 10, one side of the sealing plates 11 is fixedly connected with horizontally arranged adjusting rods 12, one end of the adjusting rods 12 penetrates through the fixed pipe 8 and is fixedly connected with adjusting plates 13, the adjusting rods 12 are sealingly and dampingly slidingly connected with the fixed pipe 8, and the two groups of adjusting plates 13 are in contact in the initial state. The spray pipe 9 is communicated with a plurality of groups of axially arranged first nozzles 14, and the inner wall of the fixed pipe 8 is provided with a plurality of groups of liquid inlet channels 15 corresponding to the first nozzles 14.

[0026] In use, in the initial state of the spraying structure, the adjusting plates 13 form a shielding to the liquid inlet channels 15 on the inner wall of the fixed pipe 8, and the liquid inlet channels 15 are in a closed state; When the extrusion block 6 on the conveying plate 3 extrudes the pressing structure, the pressing structure drives the sealing plate 11 in the sleeve 10 to sealingly slide in the axial direction, the sealing plate 11 moves to drive the horizontally arranged adjusting rod 12 on the same side to move synchronously, at the same time, the sealing plate 11 extrudes the support spring 39, the adjusting rod 12 drives the adjusting plate 13 at the end to translate after penetrating through the fixed pipe 8, so that the two groups of originally contacted adjusting plates 13 gradually move away from each other; with the moving away of the adjusting plates 13, the shielding effect of the adjusting plates 13 to the liquid inlet channels 15 on the inner wall of the fixed pipe 8 is gradually removed, the liquid inlet channels 15 in the corresponding area are opened, after the anti-fog coating agent enters the fixed pipe 8, it flows into the spray pipe 9 through the opened liquid inlet channels 15, and finally is sprayed out through the first nozzles 14 corresponding to the liquid inlet channels 15, so as to realize the spraying of the anti-fog coating on the mirror surface; The moving distance of the adjusting plate 13 is determined by the sliding stroke of the sealing plate 11, and the stroke of the sealing plate 11 depends on the extrusion degree of the pressing structure by the extrusion block 6, that is, the size of the corresponding area of the mirror surface, when the local size of the mirror surface is larger, the extrusion of the pressing structure by the extrusion block 6 is stronger, the moving distance of the sealing plate 11 is larger, the moving away range of the adjusting plate 13 is wider, the number of opened liquid inlet channels 15 is more, and the spraying range of the first nozzles 14 is expanded accordingly; on the contrary, the spraying range is contracted, so that the anti-fog coating agent is only sprayed out in the mirror surface coverage area, effectively avoiding the overflow and waste of the coating in the non-mirror surface area, and improving the utilization rate of the anti-fog coating agent; When the suction effect is generated by the reset of the cylinder 17, the damping effect between the adjusting rod 12 and the fixed pipe 8 will generate a continuous resistance to the sliding, significantly slow down the reverse movement speed of the sealing plate 11, and make the sealing plate 11 slowly move and reset at a stable and controllable speed, avoid the problem that the adjusting plate 13 instantaneously closes the arc-shaped liquid inlet groove 20 and the liquid inlet channel 15 due to the rapid reset of the sealing plate 11, ensure that the spraying system can still maintain stable liquid supply before the mirror surface completely leaves the spraying area, prevent the problems such as mirror surface end coating leakage and uneven thickness caused by rapid closing, and guarantee the integrity of the entire mirror surface spraying area; The two groups of adjusting plates 13 are tightly attached by the support spring 39 to seal the arc-shaped liquid inlet groove 20, so as to ensure the sealing stability; at the same time, the support spring 39 can also resist the lateral pressure when the anti-fog coating agent enters the fixed pipe 8, avoid the adjusting plate 13 being pressed and moved by the anti-fog coating agent, and ensure that the movement of the adjusting plate 13 is only controlled by the pressing structure.

[0027] In order to facilitate the movement of the adjusting plate 13, as shown in Figure 2 、 Figure 3 、 Figure 8 、 Figure 9 indicated, the pressing structure comprises a hollow mounting plate 16 arranged at the bottom of the spraying chamber 1, a plurality of groups of horizontally arranged cylinders 17 are fixedly connected to the mounting plate 16, the movable end of the cylinder 17 corresponds to the pressing block 6, and the cylinder 17 is in communication with the inside of the mounting plate 16 through a pipeline.

[0028] In use, in the initial state of the pressing structure, the inside of the hollow mounting plate 16 at the bottom of the spraying chamber 1 maintains the initial air pressure, and the movable end of the horizontally arranged cylinder 17 on the mounting plate 16 is in an extended state without being pressed; When the conveying plate 3 carries the mirror surface into the spraying chamber 1, the extrusion blocks 6 in the positioning assembly moving with the conveying plate 3 gradually approach the pressing structure, and as the conveying plate 3 continues to move, the extrusion blocks 6 contact the movable end of the air cylinder 17 and generate extrusion, so that the extrusion force is transmitted to the air cylinder 17. After the movable end of the air cylinder 17 is extruded, the gas inside the air cylinder 17 is compressed, and the compressed gas flows into the hollow mounting plate 16 through the pipeline, so that the gas pressure inside the mounting plate 16 increases with the extrusion degree. Because the extrusion blocks 6 at different positions correspond to different areas of the mirror surface, more extrusion blocks 6 are lowered at the wide part of the mirror surface, more air cylinders 17 are extruded, and the extrusion degree difference will cause the air pressure distribution inside the mounting plate 16 to match the profile of the mirror surface. The gas in the mounting plate 16 is transported into the two sets of sleeves 10 of the spraying structure through the gas inlet joint 18, and the sealing plate 11 in the sleeve 10 slides in the axial direction under the action of the gas pressure, thereby driving the adjusting rod 12 and the adjusting plate 13 to move, realizing the adjustment of the spraying range. When the extrusion blocks 6 leave the movable end of the air cylinder 17, the air cylinder 17 restores to the initial state under the action of its own restoring force, and the gas pressure inside the mounting plate 16 falls back, preparing for the next extrusion cycle.

[0029] In order to facilitate the delivery of the anti-fog coating agent into the fixed pipe 8, for example, as shown in the drawings, Figure 7 、 Figure 8 、 Figure 9 、 Figure 10 The present application also includes a liquid inlet structure in the middle of the spray pipe 9, which includes a sleeve 19 rotatably connected to the outside of the middle of the spray pipe 9. The outside of the middle of the spray pipe 9 and the fixed pipe 8 is provided with a plurality of circumferentially distributed arc-shaped liquid inlet grooves 20, which are respectively connected to the inside of the spray pipe 9 and the fixed pipe 8. The sleeve 19 is connected to the arc-shaped liquid inlet grooves 20, and the sleeve 19 is fixedly connected with a liquid inlet pipe 21 connected to the sleeve 19, and the upper end of the liquid inlet pipe 21 penetrates through the spraying chamber 1. The inner wall of the spray pipe 9 is fixedly connected with a plurality of sealing rubber rings 22.

[0030] In use, the liquid inlet structure and the spraying structure are in the initial state, the adjusting plates 13 at both ends of the fixed pipe 8 are in contact, completely blocking the arc-shaped liquid inlet grooves 20 in the middle of the fixed pipe 8, and the arc-shaped liquid inlet grooves 20 are in a closed state. The sleeve 19 is rotatably connected to the outside of the middle of the spray pipe 9, and the inner wall thereof is tightly fitted with the arc-shaped liquid inlet grooves 20 of the spray pipe 9 and the fixed pipe 8, forming a closed transfer cavity. The upper end of the liquid inlet pipe 21 penetrates through the spraying chamber 1 and is connected to the external anti-fog coating agent supply device. The sealing rubber rings 22 on the inner wall of the spray pipe 9 are tightly fitted with the inner wall, ensuring the sealing performance of the spray pipe 9. After the device is started, the external liquid supply device sends the anti-fog coating agent to the sleeve 19 through the liquid inlet pipe 21. The sleeve 19 temporarily stores the anti-fog coating agent in the cavity and is in communication with the arc-shaped liquid inlet groove 20. At this time, due to the blocking effect of the adjusting plate 13 on the arc-shaped liquid inlet groove 20 of the fixed pipe 8, the anti-fog coating agent cannot enter the inside of the fixed pipe 8, and only the communication area between the sleeve 19 and the arc-shaped liquid inlet groove 20 keeps the liquid accumulation state; When the pressing structure is extruded by the positioning assembly to drive the sealing plate 11 in the sleeve 10 to slide, the sealing plate 11 drives the two groups of adjusting plates 13 to move away from each other through the adjusting rod 12, and the blocking effect on the arc-shaped liquid inlet groove 20 of the fixed pipe 8 is gradually removed. The arc-shaped liquid inlet groove 20 is opened. At this time, the anti-fog coating agent in the sleeve 19 flows into the inside of the fixed pipe 8 through the opened arc-shaped liquid inlet groove 20, completes the delivery from the liquid supply device to the fixed pipe 8, and the anti-fog coating agent entering the fixed pipe 8 is sprayed out through the first spray head 14 corresponding to the liquid inlet channel 15, realizing the anti-fog coating spraying on the mirror surface. When the extrusion block 6 is separated from the movable end of the cylinder 17, the cylinder 17 restores to the initial extended state under the action of its own restoring force. At this time, the internal volume of the cylinder 17 increases, and a suction effect is generated. The suction effect is transmitted to the sleeve 10 through the air inlet connector 18, and the sealing plate 11 in the sleeve 10 is reversely sealed and slides along the axial direction, that is, moves to the initial position close to the two ends of the fixed pipe 8. When the sealing plate 11 moves, the adjusting rod 12 on the same side is synchronously reversely translated. The adjusting rod 12 drives the adjusting plate 13 at the driving end to move close to each other after penetrating through the fixed pipe 8. With the reverse movement of the adjusting rod 12, the two groups of adjusting plates 13 gradually restore to the initial contact state, and the blocking effect on the arc-shaped liquid inlet groove 20 on the outer side of the middle part of the fixed pipe 8 is re-formed, so that the arc-shaped liquid inlet groove 20 is completely closed. At this time, the communication path between the sleeve 19 and the arc-shaped liquid inlet groove 20 of the fixed pipe 8 is blocked, and the anti-fog coating agent cannot enter the inside of the fixed pipe 8 through the arc-shaped liquid inlet groove 20, so as to make preparation for the structure reset for the next mirror surface delivery and spraying. It should be pointed out that after the mirror surface of the present application completes the spraying of the anti-fog coating agent, the liquid supply of the liquid inlet pipe 21 is closed, so that the two groups of adjusting plates 13 move close to each other and restore to the initial state.

[0031] For example, Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11As shown, the application also includes that the spray pipe 9 is provided with a plurality of groups of axially arranged second spray heads 23, the second spray heads 23 are initially located directly above the first spray heads 14, one end of the spray pipe 9 penetrates the spraying chamber 1 and is fixedly connected with a first gear 24, the outer side of the spraying chamber 1 is rotatably connected with a drive rod 25, one end of the drive rod 25 is fixedly connected with a half gear 26, the half gear 26 is in meshing transmission with the first gear 24, the end of the drive rod 25 away from the half gear 26 is fixedly connected with a transmission gear 27; One end of the sleeve 10 is provided with a drive structure in meshing transmission with the transmission gear 27.

[0032] In use, the axially arranged second spray heads 23 are initially located directly above the first spray heads 14, and are out of position with the liquid inlet channel 15 of the fixed pipe 8 and do not participate in spraying, and the first spray heads 14 correspond to the liquid inlet channel 15 of the fixed pipe 8; When the equipment runs to a preset period, the drive structure drives the transmission gear 27 to rotate through meshing transmission, the drive rod 25 rotates synchronously when the transmission gear 27 rotates, so that the half gear 26 at the other end of the drive rod 25 rotates with it, and the meshing action of the half gear 26 and the first gear 24 is converted into the rotating power of the spray pipe 9, under the meshing drive of the half gear 26, the spray pipe 9 rotates along the axial center, the rotation angle is 180°, driving the second spray head 23 to rotate synchronously with the first spray head 14, when the half gear 26 rotates to the limit position, the spray pipe 9 completes the preset angle rotation, at this time the second spray head 23 moves from the initial first spray head 14 directly above to below, and accurately corresponds to the liquid inlet channel 15 of the fixed pipe 8; the first spray head 14 moves synchronously to the original second spray head 23 position, and is out of position with the liquid inlet channel 15, completing the switching of the two groups of spray heads; When a single group of spray heads is used for a long time, the solid components in the anti-fog coating agent are prone to be left in the spray head and solidified, causing the pore diameter to be blocked, at the same time, long-term high-frequency work of the spray head can cause the nozzle to wear, affecting the spraying precision, alternating use can disperse the wear pressure, so that the wear rates of the two groups of spray heads tend to be consistent, prolonging the overall replacement cycle.

[0033] In order to facilitate the rotation of the spray pipe 9, as shown in the example, Figure 9 , Figure 11 As shown, the application also includes that the drive structure includes a rotating cylinder 28 provided at one end of a group of sleeves 10 away from the fixed pipe 8, the rotating cylinder 28 is rotatably connected with one end of the sleeve 10, the rotating cylinder 28 is provided with a spiral guide groove 29, the sealing plate 11 is fixedly connected with a guide rod 30 on the side away from the adjusting rod 12, the guide rod 30 penetrates the rotating cylinder 28, and the guide rod 30 is fixedly connected with a guide block 31 in sliding connection with the spiral guide groove 29; The outer side of the rotating cylinder 28 is connected with a drive gear 32 through a one-way bearing 38, and the drive gear 32 is in meshing transmission with the transmission gear 27.

[0034] In use, when the pressing structure is driven by the extrusion block 6 to move the sealing plate 11 away from the center of the fixed tube 8, the guide rod 30 is driven to move outward in a straight line, the guide block 31 on the guide rod 30 slides along the spiral guide groove 29 in the rotating drum 28, and the rotating drum 28 rotates around the shaft. At this time, the rotating direction of the rotating drum 28 is opposite to the locking direction of the one-way bearing 38, the one-way bearing 38 cannot drive the driving gear 32 to rotate, the driving gear 32, the transmission gear 27 and the driving rod 25 remain stationary, the half gear 26 does not rotate, and the spray pipe 9 maintains the initial position. When the extrusion block 6 is separated from the cylinder 17, the cylinder 17 drives the sealing plate 11 to reset to the center of the fixed tube 8, the guide rod 30 is driven to move inward in a reverse direction, the guide block 31 slides in a reverse direction along the spiral guide groove 29, and the rotating drum 28 rotates around the shaft. At this time, the reverse rotating direction of the rotating drum 28 is consistent with the locking direction of the one-way bearing 38, the rotating drum 28 rotates to directly drive the driving gear 32 to rotate synchronously through the one-way bearing 38, the driving gear 32 is engaged with the transmission gear 27, the transmission gear 27 and the driving rod 25 are driven to rotate, the half gear 26 at the other end of the driving rod 25 rotates with it to a certain angle, which does not reach the engagement degree with the first gear 24, and the spray pipe 9 does not rotate. With the continuous mirror spraying process, the sealing plate 11 moves back and forth with the extrusion of the extrusion block 6 and the reset of the cylinder 17, the guide rod 30 moves outward and resets inward multiple times, each time the guide rod 30 resets inward, the rotating drum 28 rotates in a reverse direction to drive the driving gear 32 to rotate through the one-way bearing 38, the rotating angle of the transmission gear 27 and the driving rod 25 is gradually accumulated, and the rotating angle of the half gear 26 increases with the accumulated rotation of the driving rod 25; when the number of resets of the guide rod 30 reaches a preset value, the rotating angle of the half gear 26 is sufficient to form meshing transmission with the first gear 24, at this time, the half gear 26 rotates with the driving rod 25 and drives the first gear 24 and the spray pipe 9 to rotate synchronously by 180°, so that the second nozzle 23 initially located directly above the first nozzle 14 moves to the lower side corresponding to the liquid inlet passage 15 of the fixed tube 8, and the first nozzle 14 moves to the upper side out of position with the liquid inlet passage 15, completing a nozzle switching; after switching, the guide rod 30 continues to move back and forth, the half gear 26 resets to a standby position with the driving rod 25, and waits for the next power accumulation to trigger switching; the nozzle switching action is not triggered by single spraying, but is realized by power accumulation through multiple resets, which avoids problems such as spraying pressure fluctuation and uneven coating caused by frequent nozzle switching, and ensures that a single nozzle is switched after working for a certain period of time For example, as shown in Figure 1 , Figure 5 , the sleeve 10 is fixedly connected with the spraying chamber 1 through the fixed support 33, and the outer side of the spraying chamber 1 is fixedly connected with the protective frame 34.

[0035] In use, the protective frame 34 outside the spraying chamber 1 can form physical isolation for the transmission components outside the equipment, such as the first gear 24, the transmission gear 27, the driving rod 25, etc., to prevent the operator from contacting the moving components and causing safety accidents, reduce the damage of external collision to the transmission structure, and prolong the service life of the equipment.

[0036] As shown in the example, Figure 1 The present application also includes that the spraying chamber 1 is fixedly connected with an air curtain machine 35 above one side close to the feeding port 2; and the outer side of the spraying chamber 1 is provided with a control platform 36.

[0037] In use, the air curtain machine 35 above the feeding port 2 forms an air curtain when working, which can effectively block the dust and sundries from the outside into the spraying chamber 1 through the feeding port 2, avoid the attachment of pollutants on the mirror surface or affect the uniformity of the anti-fog coating, ensure the cleanliness of the spraying environment, and improve the stability of the coating quality; at the same time, when the air curtain machine 35 works, it can blow air flow to the surface of the mirror entering the spraying chamber 1 to clean the mirror surface, effectively removing the dust, debris and other impurities on the mirror surface.

[0038] As shown in the example, Figure 1 , Figure 2 , Figure 3 The present application also includes that the conveying platform further includes an electric track 37 arranged at the bottom of the spraying chamber 1, and the lower side of the conveying plate 3 is connected with the electric track 37.

[0039] In use, the electric track 37 ensures that the conveying plate 3 drives the mirror to enter the spraying chamber 1 along the preset path at a uniform speed, ensuring the stability and positioning accuracy of the mirror conveying; after the spraying operation is completed, the electric track 37 drives the conveying plate 3 to reset to the initial position, which is convenient for the operator to take out the mirror which has completed the spraying, and can quickly connect the placing process of the next group of mirrors to be sprayed, realize the efficient connection of taking and feeding, and ensure the continuity of the spraying process.

[0040] In use, the present application starts the equipment through the control platform 36 outside the spraying chamber 1, opens the air curtain machine 35 above one side of the feeding port 2, the air curtain machine 35 forms an air curtain when working, blocks the dust from the outside into the spraying chamber 1, and cleans the dust from the mirror which is about to enter; The mirror to be sprayed with anti-fog coating is placed on the conveying plate 3, and the weight of the mirror will generate a downward pressure on the positioning rod 5 in the covered area. The positioning rod 5 covered by the mirror slides downward along the positioning groove 4, driving the extrusion block 6 at the lower end to move downward synchronously, and the extrusion spring 7 between the extrusion block 6 and the conveying plate 3 is compressed. The positioning rod 5 in the uncovered area remains in the initial convex state under the action of the extrusion spring 7. The downward movement of the positioning assembly marks the actual contour and size range of the mirror. The conveying platform is started to convey the mirror. The control platform 36 starts the electric track 37. The lower side of the conveying plate 3 is connected with the electric track 37. Under the drive of the electric track 37, the conveying plate 3 carrying the mirror moves at a constant speed along the preset path to the feeding port 2 of the spraying chamber 1, and gradually enters the inner cavity of the spraying chamber 1; As the conveying plate 3 moves in the spraying chamber 1, the extrusion block 6 moves downward and gradually approaches and contacts the movable end of the cylinder 17 on the mounting plate 16 in the pressing structure. The extrusion block 6 extrudes the movable end of the cylinder 17. The gas inside the cylinder 17 is compressed. The compressed gas flows into the hollow mounting plate 16 through the pipeline, so that the gas pressure in the mounting plate 16 increases with the extrusion degree, forming a gas pressure distribution matching the contour of the mirror; The gas in the mounting plate 16 is delivered to the two groups of sleeves 10 through the gas inlet joint 18. The sealing plate 11 in the sleeve 10 slides axially under the action of gas pressure, extruding the supporting spring 39. The sealing plate 11 drives the adjustment rod 12 on the same side to move synchronously. The adjustment rod 12 drives the adjustment plate 13 at the driven end to translate after passing through the fixed tube 8, so that the two initially contacted adjustment plates 13 move away from each other, gradually removing the shielding of the liquid inlet channel 15 and the middle arc-shaped liquid inlet groove 20 on the inner wall of the fixed tube 8; The external liquid supply device delivers the anti-fog coating agent to the sleeve 19 through the liquid inlet pipe 21. The coating agent in the sleeve 19 flows into the fixed tube 8 through the opened arc-shaped liquid inlet groove 20. The anti-fog coating agent entering the fixed tube 8 flows into the shower pipe 9 through the opened liquid inlet channel 15, and finally sprays out through the first nozzle 14 corresponding to the liquid inlet channel 15. The spraying range is adjusted in real time with the movement distance of the adjustment plate 13, ensuring that only the mirror covered area is sprayed, and completing a spraying operation; According to the processing requirements of the mirror, when the mirror needs to be sprayed twice, the conveying plate 3 is reset and moved by the electric track 37. When the conveying plate 3 is reset and moved, the cylinder 17 is extruded again, and the first nozzle 14 sprays the reset and moved mirror twice; When the mirror to be sprayed does not need to be sprayed twice, the liquid supply of the liquid inlet pipe 21 is turned off. When the conveying plate 3 carrying the processed mirror is reset and moved, the first nozzle 14 does not spray the mirror twice. When the conveying plate 3 is reset and moved to the initial state, the extrusion block 6 is no longer in extrusion contact with the cylinder 17; When the extrusion block 6 is out of contact with the cylinder 17, the cylinder 17 resets and drives the sealing plate 11 to slide in the opposite direction, driving the guide rod 30 to reset inward, and the guide block 31 on the guide rod 30 slides along the spiral guide groove 29 in the rotating drum 28, causing the rotating drum 28 to rotate in the opposite direction, and drives the driving gear 32 to rotate through the one-way bearing 38. The rotation angle of the transmission gear 27 and the driving rod 25 gradually accumulates. When the accumulated rotation angle reaches a preset value, the half gear 26 at one end of the driving rod 25 engages with the first gear 24, driving the spray pipe 9 to rotate 180°, so that the second nozzle 23 moves to the position corresponding to the liquid inlet channel 15, and the first nozzle 14 moves to the upper position, so that the two groups of nozzles are used alternately to reduce blockage and wear; When the extrusion block 6 is out of contact with the movable end of the cylinder 17, the cylinder 17 returns to its initial state under the action of its own reset force, the air pressure inside the mounting plate 16 drops, and the suction effect generated by the reset of the cylinder 17 is transmitted to the sleeve 10 through the air inlet joint 18, driving the sealing plate 11 to slide in the opposite direction. The adjusting rod 12 slowly drives the adjusting plate 13 to return to contact under the action of damping, re-sealing the liquid inlet channel 15 and the arc-shaped liquid inlet groove 20, and stopping the liquid supply; The electric track 37 drives the conveying plate 3 to return to its initial position. The operator takes out the mirror surface after spraying. The compressed extrusion spring 7 releases its elastic potential energy, pushing the extrusion block 6 and the positioning rod 5 upward to restore to their initial state, preparing for the next spraying operation.

[0041] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mirror anti-fog coating intelligent spraying equipment, characterized in that: The invention comprises a spraying chamber (1), wherein a feeding port (2) is provided on one side of the spraying chamber (1), a conveying platform is installed at the bottom of the spraying chamber (1), the conveying platform comprises a conveying plate (3) for supporting a mirror, a plurality of positioning components are provided on the conveying plate (3), a spraying structure with an adjustable spraying range is provided on the top inner side of the spraying chamber (1), and a pressing structure for controlling the spraying range of the spraying structure under the extrusion of the positioning components is provided on the bottom inner side of the spraying chamber (1).

2. The intelligent spraying equipment for anti-fog coating on mirror surface according to claim 1, characterized in that: The positioning assembly comprises a plurality of positioning grooves (4) distributed in an array on the conveying plate (3), a positioning rod (5) is slidably connected in the positioning groove (4), the lower end of the positioning rod (5) is fixedly connected to an inverted trapezoidal extrusion block (6), and an extrusion spring (7) is fixedly connected between the upper surface of the extrusion block (6) and the conveying plate (3).

3. The intelligent spraying equipment for anti-fog mirror coating according to claim 2, characterized in that: The spraying structure comprises a horizontally arranged fixed tube (8) with closed ends, a spraying tube (9) being provided on the outside of the fixed tube (8), both ends of the fixed tube (8) being fixedly connected to a coaxial sleeve (10), a sealing plate (11) being sealingly and slidingly connected inside the sleeve (10), a supporting spring (39) being connected between the sealing plate (11) and the inner wall of the sleeve (10), one side of the sealing plate (11) being fixedly connected to a horizontally arranged adjusting rod (12), one end of the adjusting rod (12) passing through the fixed tube (8) and being fixedly connected to an adjusting plate (13), the adjusting rod (12) being sealingly and dampingly slidably connected to the fixed tube (8), and the two groups of adjusting plates (13) being in contact with each other in an initial state; The spray pipe (9) is connected to a plurality of groups of axially arranged first spray heads (14), and the inner wall of the fixed pipe (8) is provided with a plurality of groups of liquid inlet channels (15) corresponding to the first spray heads (14).

4. The intelligent spraying equipment for anti-fog coating on mirror surface according to claim 3, characterized in that: The pressing structure includes a hollow mounting plate (16) arranged at the bottom of the spray chamber (1), and a plurality of groups of horizontally arranged cylinders (17) are fixedly connected to the mounting plate (16), the movable ends of the cylinders (17) correspond to the extrusion blocks (6), and the cylinders (17) are connected to the interior of the mounting plate (16) through pipelines; the ends of the two groups of sleeves (10) that are close to each other are connected to an air inlet connector (18), and the air inlet connector (18) is connected to the interior of the mounting plate (16).

5. The intelligent spraying equipment for anti-fog coating on mirror surface according to claim 4, characterized in that: The middle part of the spray pipe (9) is connected to a liquid inlet structure, and the liquid inlet structure includes a sleeve (19) rotatably connected to the outer middle part of the spray pipe (9). The outer middle parts of the spray pipe (9) and the fixed pipe (8) are both provided with a plurality of groups of circumferentially distributed arc-shaped liquid inlet grooves (20), and the arc-shaped liquid inlet grooves (20) are respectively connected to the inside of the spray pipe (9) and the fixed pipe (8). The sleeve (19) is connected to the arc-shaped liquid inlet grooves (20). A liquid inlet pipe (21) connected to the sleeve (19) is fixedly connected to the sleeve (19), and the upper end of the liquid inlet pipe (21) passes through the spray chamber (1); the inner wall of the spray pipe (9) is fixedly connected to a plurality of groups of sealing rubber rings (22).

6. The intelligent spraying equipment for anti-fog coating on mirror surface according to claim 5, characterized in that: The spray pipe (9) is provided with a plurality of groups of axially arranged second spray heads (23), and the second spray heads (23) are initially located directly above the first spray heads (14). One end of the spray pipe (9) passes through the spray chamber (1) and is fixedly connected to the first gear (24). The outer side of the spray chamber (1) is rotatably connected to a driving rod (25), and one end of the driving rod (25) is fixedly connected to a half gear (26). The half gear (26) is meshed with the first gear (24) for transmission, and the end of the driving rod (25) away from the half gear (26) is fixedly connected to a transmission gear (27); One end of the sleeve (10) is provided with a driving structure that meshes with the transmission gear (27) for transmission.

7. The intelligent spraying equipment for anti-fog coating on mirror surface according to claim 6, characterized in that: The driving structure comprises a rotating drum (28) provided at one end of a set of sleeves (10) away from the fixed tube (8), the rotating drum (28) being rotatably connected to one end of the sleeve (10), a spiral guide groove (29) being provided in the rotating drum (28), a guide rod (30) being fixedly connected to the side of the sealing plate (11) away from the adjusting rod (12), the guide rod (30) passing through the rotating drum (28), and a guide block (31) being fixedly connected to the guide rod (30) and being slidably connected to the spiral guide groove (29); The outer side of the rotating drum (28) is connected to the driving gear (32) via a one-way bearing (38), and the driving gear (32) is meshed with the transmission gear (27) for transmission.

8. The intelligent spraying equipment for anti-fog coating on mirror surface according to claim 7, characterized in that: The sleeve (10) is fixedly connected to the spray chamber (1) via a fixed bracket (33), and a protective frame (34) is fixedly connected to the outside of the spray chamber (1).

9. The intelligent spraying equipment for anti-fog coating on mirror surface according to claim 8, characterized in that: An air curtain machine (35) is fixedly connected to the upper side of the spraying room (1) near the feeding port (2); a control platform (36) is provided on the outside of the spraying room (1).

10. The intelligent spraying equipment for mirror anti-fog coating according to claim 9, characterized in that: The conveying platform further comprises an electric track (37) arranged at the bottom of the spraying room (1), and the lower side surface of the conveying plate (3) is connected to the electric track (37).

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