Edge sealing process for ceramic plate

Abstract

The invention discloses an edge sealing process for a ceramic plate. The edge sealing process comprises the following process steps: grinding the edge of a ceramic filter plate in a reciprocating manner or repeating the following procedures on the edge of the ceramic filter plate: cleaning after grinding; and in the final grinding process, the mixed liquid of the epoxy resin and the curing agent on the plate surface is driven to coat the plate surface of the edge of the ceramic filter plate to finish the edge sealing process while grinding and resetting. The edge sealing process is almost completely merged into the edge trimming or edge grinding process, so that the working efficiency is greatly improved, and the working time is shortened; the energy-saving performance of a production link is achieved from process optimization, epoxy resin brushing is achieved through reset action, driving energy for epoxy resin brushing is reduced, and energy consumption is reduced.

Description

Technical Field

[0001] The invention relates to special equipment for producing energy-saving ceramic products, and in particular to an edge sealing process for ceramic plates. Background Art

[0002] In his paper "Test and Application of Water-to-Air Backwash Ceramic Filter Plates" published in the 6th issue of "Modern Mining" in June 2015, Wang Xinhua mentioned: Ceramic filter is a new, efficient and energy-saving liquid-solid separation equipment. It uses ceramic filter plates as filter media. During the filtration process, the hydrophilic effect between water and ceramics manifests as a capillary phenomenon, filling the micropores with liquid. When vacuum is drawn, the filtrate passes through the micropores, while air and mineral particles cannot pass through, achieving the purpose of solid-liquid separation.

[0003] The ceramic filter plate is the core component of the ceramic filter. Using an inorganic membrane pore firing process and utilizing the capillary principle, a vacuum is created within the plate, effectively and energy-efficiently separating and extracting water from the slurry while retaining the solid matter in the slurry on the filter plate for removal with a scraper. In high-temperature, corrosive, and high-precision filtration scenarios, industrial ceramic filter plates, with their long lifespan and stability, consume less energy throughout their lifecycle, making them energy-saving ceramic products. Furthermore, due to their porosity, ceramic filter plates reduce material usage and firing energy consumption compared to dense ceramic plates, thus achieving process optimization to achieve energy efficiency in the production process. Patent publication number CN101773746B: Vacuum Ceramic Filter Plate and Manufacturing Method. The vacuum ceramic filter plate structure features membrane pores in a stepped, inverted-conical shape, with a membrane thickness of 0.2-0.7mm. The manufacturing method includes: preparation of a substrate binder; mixing, molding, and drying; primary sintering, grinding, soaking, and rinsing; a staged spraying process; secondary drying; secondary sintering and bonding; assembly hole fabrication and installation; edge sealing and painting; inspection and storage. Edge sealing is an inevitable process for ceramic filter plates. Existing edge sealing techniques require cleaning the edges of the ceramic plate, then mixing a resin and curing agent, evenly applying them by brushing or pouring, and finally accelerating curing at room temperature or by heating. To achieve high-quality edge sealing, trimming or grinding is typically performed before edge sealing, making the entire process complex and inefficient. Each process also consumes its own energy, which is not in line with the goal of energy-saving production. Summary of the Invention

[0004] The purpose of the present invention is to overcome the defects existing in the prior art and provide an edge sealing process for ceramic plates, which almost completely incorporates the edge sealing process into the trimming or grinding process, greatly improving work efficiency and reducing working hours; achieving energy saving in the production process through process optimization, reducing the driving energy for epoxy resin coating, and saving energy consumption.

[0005] To achieve the above-mentioned purpose, the technical solution of the present invention is to design an edge sealing process for ceramic plates, which consists of the following process steps: reciprocating grinding of the edge of the ceramic filter plate or repeating the following process on the edge of the ceramic filter plate: cleaning after grinding; during the last grinding process, while grinding and resetting, the mixture of epoxy resin and curing agent on the plate surface is driven to be coated on the plate surface at the edge of the ceramic filter plate to complete the edge sealing process.

[0006] A further technical solution is that, during the reciprocating grinding process, except for the last grinding, each time grinding reaches the very edge of the ceramic filter plate, stop for a period of time, and clean the edge surface of the ceramic filter plate while stopping.

[0007] A further technical solution is that the last grinding is to the very edge of the ceramic filter plate and no further cleaning is done, and then a mixture of epoxy resin and curing agent that has been mixed and stirred is injected into the edge of the ceramic filter plate. Then, while grinding and resetting, the mixture of epoxy resin and curing agent on the plate surface is driven to be coated on the edge of the ceramic filter plate to complete the edge sealing process, and then the edge-sealed ceramic filter plate is cured at room temperature or sent to a heating room for heating and curing. During the reciprocating grinding process, the epoxy resin and the curing agent are also mixed and stirred.

[0008] The grinding roller is used to grind the edge of the ceramic filter plate neatly. The roller seat of the grinding roller is fixed on the slider. The slider is driven by the belt transmission mechanism to move and grind the edge of the ceramic filter plate (gradually grinding along the length direction of the ceramic filter plate until it reaches the edge of the ceramic filter plate). In the reciprocating grinding process, the servo drive motor of the belt transmission mechanism rotates for a period of time each time (that is, the belt drives the slider to move until the grinding roller just reaches the edge of the ceramic filter plate) and then stops for a short time. At the same time, the high-pressure air pipe sprays air to clean the edge of the ceramic plate. Therefore, the air is sprayed to clean the edge each time the edge is ground. The last time the belt drives the slider to move until the grinding roller just reaches the edge of the ceramic filter plate, the high-pressure air pipe no longer sprays air. The pneumatic metering and mixing system (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System ( The system is a device that uses compressed air to accurately mix, pour and mix two-component adhesives (such as epoxy resin + curing agent) and inject them into the edge of the ceramic plate. As the reset action proceeds, the mixed liquid is coated and sealed on the edge of the ceramic plate. In this way, the reciprocating grinding process and the last reset action of the grinding process are used to achieve coating and edge sealing, reducing the equipment required for edge sealing, improving efficiency and reducing costs. Moreover, since the coating and edge sealing utilize the grinding reset action, the driving equipment required for the coating and edge sealing process itself is also omitted, saving energy consumption. Since both grinding and edge sealing are performed on the edge of the ceramic filter plate, the grinding roller is a little distance away from the surface of the ceramic filter plate before grinding begins. After being driven, it moves to the edge position and then descends before grinding begins. Therefore, it rises again after coating and edge sealing is completed, so there is no need to worry about the mixed liquid or the edge sealing range exceeding the designed area. The time point for mixing the epoxy resin and the curing agent can be calculated based on the speed of the slider driven by the reciprocating motion of the belt and the total number of reciprocating times so that the mixed epoxy resin and curing agent just flow down when the slider moves for the last time and is reset.

[0009] The edges of the ceramic filter plates are not flat, so they should be ground to create smooth, rounded edges. Applying epoxy resin to the edges after trimming and grinding further seals the micropores, preventing liquid or gas leakage that could affect filtration efficiency. This is suitable for high-precision filtration or for corrosive media. Use a high-pressure air jet to clean the edges of the ceramic plates, ensuring they are free of dust and oil. Then, mix the epoxy resin and curing agent and apply it to the edges of the ceramic filter plates. Cure at room temperature or heat to accelerate the cure. Compared with the existing process (which requires first cleaning the edge of the ceramic plate, then mixing the resin and curing agent, evenly applying or pouring them onto the edge of the ceramic filter plate, and finally curing at room temperature or heating to accelerate the process), this process uses the equipment to apply epoxy resin (specifically, a liquid mixed with epoxy resin and curing agent) during the reset process of the trimming action. On the one hand, it improves efficiency (using a high-pressure air pipe to clean the edge of the ceramic plate before brushing, and cleaning and applying epoxy resin during trimming). On the other hand, it achieves energy saving in the production process through process optimization (using the reset action to apply epoxy resin, which reduces the driving energy for epoxy resin application and saves energy).

[0010] A further technical solution is that before reciprocating grinding, the grinding roller is first driven to the top of the edge surface of the ceramic filter plate and then lowered until the grinding roller contacts the edge surface of the ceramic filter plate; while the grinding roller is first driven to the top of the edge surface of the ceramic filter plate, the pressure plate is first driven to the center position of the ceramic filter plate and then lowered to press the ceramic filter plate.

[0011] A further technical solution is that the equipment used in the grinding and edge banding processes includes a base, a frame beam fixedly connected to the base, a frame beam fixedly connected to the frame beam, a slide rail is provided on the frame beam, a slider is slidably provided on the slide rail, the slider is fixedly connected to the belt of the belt transmission mechanism, the slider is connected to the roller seat of the grinding roller, and the slider is also provided with a lifting drive mechanism of the roller seat; the frame beam is also provided with a driving mechanism for the pressure plate; the base is also provided with a clamping mechanism for the ceramic filter plate; the aforementioned equipment also includes a plate surface cleaning mechanism and a mixing mechanism for the epoxy resin and curing agent.

[0012] A further technical solution is that the plate surface cleaning mechanism is fixedly connected to the roller seat; the plate surface cleaning mechanism includes a high-pressure air pipe, which is a hose; and the mixing mechanism is a pneumatic metering mixing system.

[0013] The high-pressure air pipe is a hose and a part of the high-pressure air pipe is fixedly connected to the roller seat of the grinding roller; two or more sliders can be provided, and a spacing is provided between adjacent sliders; in this way, multiple sliders can be moved synchronously when the belt transmission mechanism is actuated, thereby driving multiple grinding rollers to move synchronously.

[0014] A further technical solution is that the length of the slider is greater than the width of the slide rail; the lifting drive mechanism includes a channel steel-shaped bracket fixedly arranged on the slider, a reduction motor is fixedly connected under the top plate of the channel steel-shaped bracket, the size of the channel steel-shaped bracket satisfies the spacing between the lower bottom surface of the reduction motor and the belt, the output shaft of the reduction motor is fixedly connected to a screw rod, and a through hole larger than the screw rod is provided in the middle of the top plate of the channel steel-shaped bracket; the part of the slider extending beyond the slide rail is slidably connected to four vertical columns, the lower ends of the vertical columns are fixedly connected to the roller seat, the upper ends of the vertical columns are fixedly connected to a flat plate, and the flat plate is threadedly connected to the screw rod.

[0015] A further technical solution is that the driving mechanism of the pressure plate includes a cylinder fixedly connected to the side of the frame beam through a connecting plate, and a side of the cylinder facing the side of the beam is spaced apart from the vertical column. The piston rod of the cylinder is fixedly connected to a slide plate, and the slide plate is slidably set on the track through the connecting plate. The aforementioned track is fixedly connected to the frame beam and the track is located on one side of the slide rail. A horizontal plate is fixedly connected under the slide plate, and a pressure block cylinder is fixedly arranged under the horizontal plate, and the exposed end of the piston rod of the pressure block cylinder is fixedly connected to the pressure block.

[0016] The slide plate is in the shape of a channel steel to avoid the vertical columns; after this arrangement, the cylinder drives the slide plate to slide when it is actuated (and this process does not interfere with the roller seat, because the side of the cylinder facing the side of the beam is spaced apart from the vertical columns and the slide plate is in the shape of a channel steel and also avoids the vertical columns, while the roller seat is fixedly connected to the vertical columns), which drives the briquetting cylinder to move, and the action of the briquetting cylinder realizes that the briquetting is pressed against the surface of the ceramic filter plate to ensure the stability of the grinding and edge sealing processes.

[0017] A further technical solution is that the clamping mechanism of the ceramic filter plate includes a support fixedly connected to the base, and a plurality of channel-shaped limit strips matching the ceramic filter plate are fixedly provided on the upper surface of the support, the long strip size of the channel-shaped limit strip is larger than the width of the end of the ceramic filter plate inserted into the channel-shaped limit strip, and the short strip size of the channel-shaped limit strip is smaller than the length of the ceramic filter plate. A pair of pressure cylinders are also fixedly provided on the upper surface of the support on one side of the channel-shaped limit strip, and the cylinder bodies of the pressure cylinders are arranged closely together, and the exposed ends of the piston rods of the two pressure cylinders respectively abut against a pressure block hinged to the upper surface of the support, and the two pressure blocks are respectively located on the outside of the two short strips of the channel-shaped limit strip; a pneumatic metering and mixing system is fixedly connected to the side of the roller seat, and a high-pressure air pipe is fixedly connected to one side of the pneumatic metering and mixing system, and an air valve is provided on the high-pressure air pipe, and the high-pressure air pipe is connected to the air pump.

[0018] Another technical solution is that the last time the ceramic filter plate is ground to the very edge, a mixture of epoxy resin and curing agent is injected into the edge of the plate. The vacuum cleaner then continues to suck air. While grinding and resetting, the mixture of epoxy resin and curing agent on the plate surface is driven to be coated on the edge of the ceramic filter plate to complete the edge sealing process. The edge-sealed ceramic filter plate is then cured at room temperature or sent to a heating room for heating and curing.

[0019] A vacuum cleaner (also known as a board surface cleaning mechanism) is fixedly installed on one side of the roller seat; The cleaning process is achieved through a vacuum cleaner. In this way, during the reciprocating grinding process, each time the servo drive motor of the belt transmission mechanism rotates for a period of time (that is, the belt drives the slider to move until the grinding roller just reaches the edge of the ceramic filter plate), it stops for a short time. While stopping, the vacuum cleaner works to suck air to clean the edge of the ceramic plate. Therefore, the plate surface is cleaned by suction every time the edge is ground. The last time the belt drives the slider to move until the grinding roller just reaches the edge of the ceramic filter plate, the mixed liquid is first injected into the plate surface, and then the vacuum cleaner continues to repeat the above action, that is, continue to suck air, but this time it is to allow the mixed liquid injected into the plate surface to flow and cover the plate surface more evenly (but the action is consistent with before, which is more convenient to operate and reduces the probability of error in the work).

[0020] While the grinding roller is driven to reset to coat the mixed liquid injected on the plate surface, the mixed liquid injected on the plate surface is made more uniform by vacuuming, so that the coating uniformity can basically meet the required requirements through the simple action of resetting the grinding roller; in addition, the negative pressure exhaust action required for cleaning is continued to be used for the last grinding, and vacuuming can be continued for a period of time after coating to improve the uniformity of coating (because vacuuming immediately after coating to remove bubbles can improve the uniformity of coating).

[0021] For the mixing of epoxy resin and curing agent, a pneumatic metering mixing system, an automatic epoxy resin glue pouring machine or a vacuum mixing and dispersing machine (also known as a mixing mechanism; of course, if an automatic epoxy resin glue pouring machine is used, it has both the function of mixing and the function of injecting glue into the board surface, which is equivalent to both a mixing mechanism and an injection mechanism); the mixed liquid can be injected using a vacuum pump or a glue gun.

[0022] The plate surface cleaning structure includes an intermediate plate fixedly connected to the frame beam, the intermediate plate is located between the vertical surface in the middle of the ceramic filter plate and the vertical surface of the edge of the ceramic filter plate sealing edge (so that it does not affect the translation of the pressure plate or the roller seat), and a permanent magnet plate is fixedly connected to the intermediate plate, on which a soft brush magnetic strip structure is adsorbed; the soft brush magnetic strip structure consists of a magnetic strip and a plurality of soft brushes fixedly connected to the magnetic strip; the grinding roller is an electromagnetic grinding roller (the magnetism is much greater than that of the permanent magnet plate when energized), and a semi-annular top cover is provided on the roller seat (for preventing the soft brush magnetic strip structure on the electromagnetic grinding roller from flying too far due to centrifugal force when the electromagnetic grinding roller is not magnetic); an intermediate plate higher than the belt is also fixedly connected to the frame beam, and two travel switches are provided on the intermediate plate (respectively located at the two ends of the travel of the roller seat), and a push block adapted to the travel switch is fixedly connected to the belt, and the travel switch is connected to the controller signal, and the controller is connected to the power signal of the grinding roller (also known as the electromagnetic grinding roller); In this way, when the belt transmission mechanism drives the roller seat to move back and forth, when the push block reaches the travel switch, the controller controls the grinding roller to be energized and magnetic. At this time, the grinding roller is closest to the permanent magnet plate, and the soft brush magnetic strip structure on the permanent magnet plate is adsorbed onto the grinding roller and rotates with the grinding roller. When it reaches the other end of the stroke, the controller controls the grinding roller to lose power and lose magnetism. At this time, the soft brush magnetic strip structure is thrown out. Due to the obstruction of the semi-annular top cover and the ceramic filter plate below, combined with the permanent magnet plate, the soft brush magnetic strip structure is adsorbed back onto the permanent magnet plate.

[0023] This method is better. There is no need to rotate the grinding roller forward or reverse. The soft brush will appear on the grinding roller just by moving the roller seat back. With this structure, the roller seat can be cleaned when it moves back and can be ground when it moves forward. The plate surface cleaning structure includes a plurality of grooves evenly spaced on the surface of the grinding roller, a soft brush structure is arranged inside the grinding roller, and the soft brush structure includes a horizontal bar slidingly arranged in the groove, and a plurality of soft brushes fixedly arranged at intervals on the horizontal bar, and the horizontal bar is fixedly connected to the bottom wall of the groove through a magnet embedded in a spring (a permanent magnet is embedded inside or at both ends of the spring); the grinding roller is an electromagnetic grinding roller; an intermediate plate with a height higher than the belt is also fixedly connected to the frame beam 9, and two travel switches are arranged on the intermediate plate (located at the two ends of the travel of the roller seat respectively), and a push block adapted to the travel switch is fixedly connected to the belt, and the travel switch is connected to the controller signal, and the controller is connected to the power signal of the grinding roller (i.e., the electromagnetic grinding roller); In this way, when the belt transmission mechanism is actuated to drive the roller seat to move back and forth, when the push block reaches the travel switch, the controller controls the grinding roller to be energized and magnetic, so that the magnet embedded in the spring is adsorbed and contracts, and the soft brush structure shrinks into the groove. When it reaches the other end of the travel, the push block pushes and presses another travel switch, and the controller controls the grinding roller to lose power and magnetism, so that the magnet embedded in the spring is not adsorbed and releases its elasticity, and the soft brush extends out. Through the arrangement of such a structure, the roller seat is cleaned when it moves back and is ground when it moves forward.

[0024] The advantages and beneficial effects of the present invention are: the reciprocating grinding process and the last reset action of the grinding process are utilized to achieve coating and edge sealing, which reduces the equipment required for edge sealing, improves efficiency, and reduces costs. Moreover, since the coating and edge sealing utilize the grinding reset action, the driving equipment required for the coating and edge sealing process itself is also omitted, saving energy consumption. Since both grinding and edge sealing are performed on the edge of the ceramic filter plate, the grinding roller is a little distance away from the surface of the ceramic filter plate before grinding begins. After being driven, it moves to the edge position and then descends before grinding begins. Therefore, it rises again after the coating and edge sealing is completed, so there is no need to worry about the mixed liquid or the edge sealing range exceeding the designed area.

[0025] This process achieves the application of epoxy resin (specifically, a liquid mixture of epoxy resin and curing agent) by the equipment during the reset process of the trimming action. On the one hand, this improves efficiency (using a high-pressure air pipe to clean the edge of the ceramic plate before painting, and to achieve cleaning and epoxy resin application during trimming). On the other hand, it achieves energy saving in the production process through process optimization (using the reset action to apply epoxy resin, reducing the driving energy for epoxy resin application and saving energy consumption). BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 Schematic diagram of the equipment used in Example 1 of an edge sealing process for ceramic plates of the present invention; Figure 2 yes Figure 1 An enlarged schematic diagram of the rightmost vertical column and its surrounding parts; Figure 3 yes Figure 1 Schematic diagram from another perspective; Figure 4 yes Figure 3 An enlarged schematic diagram of the middle cylinder and its vicinity; Figure 5 yes Figure 3 An enlarged schematic diagram of the middle slide and its vicinity; Figure 6 yes Figure 1 Side view of Figure 7 yes Figure 6An enlarged schematic diagram of the middle roller seat and its vicinity; Figure 8 yes Figure 1 The main view; Figure 9 yes Figure 1 A top view of Figure 10 yes Figure 9 An enlarged schematic diagram of the steel limit strip in the middle channel and its surrounding areas; Figure 11 is a product schematic diagram of the ceramic filter plate of the present invention; Figure 12 is a schematic diagram of the clamping mechanism corresponding to the ceramic filter plate of the present invention; Figure 13 is a schematic diagram of a fourth embodiment of the present invention; Figure 14 yes Figure 13 An enlarged schematic diagram of the middle intermediate board and its vicinity; Figure 15 yes Figure 13 A top view of Figure 16 yes Figure 15 An enlarged schematic diagram of the middle intermediate board and its vicinity; Figure 17 yes Figure 13 An enlarged schematic diagram of the middle plate and its vicinity; Figure 18 is a schematic diagram of a fifth embodiment of the present invention; Figure 19 yes Figure 18 Side view of Figure 20 yes Figure 19 Schematic diagram of the middle groove; Figure 21 yes Figure 19 Schematic diagram of the mid-travel switch and its surrounding parts; In the figure: 1. belt; 2. slider; 3. grinding roller; 4. ceramic filter plate; 5. pneumatic metering and mixing system; 6. roller seat; 7. belt transmission mechanism; 8. base; 9. frame beam; 10. frame cross beam; 11. slide rail; 12. pressure plate; 13. channel steel bracket; 14. reduction motor; 15. screw rod; 16. vertical column; 17. flat plate; 18. connecting plate; 19. cylinder; 20. slide plate; 21. track; 22. horizontal plate; 23. pressure block cylinder; 24. intermediate plate; 25. support; 26. channel steel limit strip; 27. pressure cylinder; 28. pressure block; 29. high-pressure air pipe; 30. permanent magnet plate; 31. soft brush; 32. semi-annular top cover; 33. intermediate plate; 34. travel switch; 35. push block; 36. groove; 37. magnet embedded spring; 38. intermediate plate. DETAILED DESCRIPTION

[0027] The following embodiments are further described in conjunction with the accompanying drawings and examples. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0028] Example 1: Figures 1 to 10 As shown (for ease of illustration, Figure 1 、 Figure 3 (The pneumatic metering and mixing system and the high-pressure air pipe are not shown). The present invention is a process for edge sealing of ceramic plates, wherein the edge of the ceramic filter plate is reciprocally ground. During the reciprocating grinding process, each time the grinding reaches the very edge of the ceramic filter plate, the plate is stopped for a period of time. While stopping, the edge surface of the ceramic filter plate is cleaned. The last time the grinding reaches the very edge of the ceramic filter plate, cleaning is stopped. Then, a mixed liquid of epoxy resin and curing agent is injected into the edge surface of the ceramic filter plate after mixing and stirring. Then, while the grinding is reset, the mixed liquid of epoxy resin and curing agent on the plate surface is driven to be coated on the plate surface of the edge of the ceramic filter plate to complete the edge sealing process. The edge sealing process is then carried out, and the ceramic filter plate after edge sealing is subsequently cured at room temperature or sent to a heating room for heating and curing. During the reciprocating grinding process, the epoxy resin and the curing agent are also mixed and stirred.

[0029] The edge of the ceramic filter plate is reciprocated and ground. During the reciprocating grinding process, each time the belt 1 drives the slider 2 to move until the grinding roller 3 just reaches the edge of the ceramic filter plate 4 and stops for a period of time, the air pump and the air valve are opened at the same time to make the high-pressure air pipe 29 spray to the edge of the ceramic filter plate (the air pump and the air valve are closed after a period of jetting, and the roller seat is reset and driven to move horizontally to realize reciprocating grinding, so each time grinding is done, a spray is made once to realize timely cleaning of the waste chips generated by grinding). The last time the belt 1 drives the slider to move until the grinding roller 3 just reaches the edge of the ceramic filter plate 4, the high-pressure air pipe no longer sprays, and then the pneumatic metering mixing system 5 is used to inject the mixed epoxy resin and curing agent mixture onto the edge of the ceramic filter plate, and then the slider 2 is reset. At the same time of resetting, the grinding roller drives the epoxy resin and curing agent mixture on the plate surface to be coated on the plate surface of the edge of the ceramic filter plate to complete the edge sealing process, and then the ceramic filter plate after edge sealing is cured at room temperature or sent to a heating room for heating and curing.

[0030] The grinding roller is used to grind the edge of the ceramic filter plate neatly. The roller seat 6 of the grinding roller moves together due to being driven by the slider. The slider is driven by the belt transmission mechanism 7 to move and grind the edge of the ceramic filter plate (gradually grinding along the length direction of the ceramic filter plate until it reaches the very edge of the ceramic filter plate). In the reciprocating grinding process, each time the servo drive motor of the belt transmission mechanism rotates for a period of time (that is, the belt drives the slider to move until the grinding roller just reaches the very edge of the ceramic filter plate), it stops for a short period of time. At the same time, the high-pressure air pipe sprays air to clean the edge of the ceramic plate. Therefore, the air is sprayed to clean the edge every time the edge is ground. The last time the belt drives the slider to move until the grinding roller just reaches the very edge of the ceramic filter plate, the high-pressure air pipe no longer sprays air. The pneumatic metering and mixing system (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System (Pneumatic Metering and Mixing System ( MixingSystem) is a device that uses compressed air to accurately proportion, mix and pour two-component adhesives (such as epoxy resin + curing agent) and inject them into the edge of the ceramic plate. As the reset action proceeds, the mixed liquid is coated and sealed on the edge of the ceramic plate. In this way, the reciprocating grinding process and the last reset action of the grinding process are used to achieve coating and edge sealing, reducing the equipment required for edge sealing, improving efficiency and reducing costs. Moreover, since the coating and edge sealing utilize the grinding reset action, the driving equipment required for the coating and edge sealing process itself is also omitted, saving energy consumption. Since both grinding and edge sealing are performed on the edge of the ceramic filter plate, the grinding roller is a little distance away from the surface of the ceramic filter plate before grinding begins. After being driven, it moves to the edge position and then descends before starting grinding. Therefore, it rises again after the coating and edge sealing is completed, so there is no need to worry about the mixed liquid or the edge sealing range exceeding the designed area. The time point for mixing the epoxy resin and the curing agent can be calculated based on the speed of the slider driven by the reciprocating motion of the belt and the total number of reciprocating times so that the mixed epoxy resin and curing agent just flow down when the slider moves for the last time and is reset.

[0031] The edges of the ceramic filter plates are not flat, so they should be ground to create smooth, rounded edges. Applying epoxy resin to the edges after trimming and grinding further seals the micropores, preventing liquid or gas leakage that could affect filtration efficiency. This is suitable for high-precision filtration or for corrosive media. Use a high-pressure air jet to clean the edges of the ceramic plates, ensuring they are free of dust and oil. Then, mix the epoxy resin and curing agent and apply it to the edges of the ceramic filter plates. Cure at room temperature or heat to accelerate the cure. Compared with the existing process (which requires first cleaning the edge of the ceramic plate, then mixing the resin and curing agent, evenly brushing or pouring them onto the edge of the ceramic filter plate, and finally curing at room temperature or heating to accelerate), this process uses the edge banding machine to apply epoxy resin (specifically, a liquid mixed with epoxy resin and curing agent) during the reset process of the trimming action. On the one hand, it improves efficiency (using a high-pressure air pipe to clean the edge of the ceramic plate before brushing, and to achieve cleaning and application of epoxy resin during trimming). On the other hand, it achieves energy-saving in the production process through process optimization (using the reset action to apply epoxy resin, which reduces the driving energy for epoxy resin application and saves energy).

[0032] Before reciprocating grinding, the grinding roller is first driven to the top of the edge surface of the ceramic filter plate and then descends until the grinding roller contacts the edge surface of the ceramic filter plate; while the grinding roller is first driven to the top of the edge surface of the ceramic filter plate, the pressing plate is first driven to the center position of the ceramic filter plate and then descends to press the ceramic filter plate.

[0033] The equipment used in the grinding and edge banding processes includes a base 8, a frame beam 9 fixedly connected to the base, a frame beam 10 fixedly connected to the frame beam, a slide rail 11 is provided on the frame beam, a slider 2 is slidably provided on the slide rail, the slider is fixedly connected to the belt 7 of the belt transmission mechanism, the slider is connected to the roller seat 6 of the grinding roller, and the slider is also provided with a lifting drive mechanism of the roller seat; the frame beam 10 is also provided with a driving mechanism for the pressure plate 12; the base is also provided with a clamping mechanism for the ceramic filter plate; a high-pressure air pipe and a pneumatic metering and mixing system are fixedly connected to the roller seat, and the high-pressure air pipe is a hose.

[0034] The high-pressure air pipe is a hose and a part of the high-pressure air pipe is fixedly connected to the roller seat of the grinding roller; two or more sliders can be provided, and a spacing is provided between adjacent sliders; in this way, multiple sliders can be moved synchronously when the belt transmission mechanism is actuated, thereby driving multiple grinding rollers to move synchronously.

[0035] After the belt transmission mechanism is driven, the belt runs, driving the slider to move horizontally, which drives the roller seat to move horizontally, and thus drives the grinding roller to move horizontally; the lifting drive mechanism of the roller seat drives the roller seat to rise or fall so that the grinding roller can contact the plate surface after it is in the appropriate position; the driving mechanism of the pressure plate can press the ceramic filter plate during grinding or edge sealing; the clamping mechanism is used to clamp and fix the ceramic plate from the side.

[0036] The length of the slider 2 is greater than the width of the slide rail 11; the lifting drive mechanism includes a channel steel-shaped bracket 13 fixedly arranged on the slider 2, and a reduction motor 14 is fixedly connected under the top plate of the channel steel-shaped bracket. The size of the channel steel-shaped bracket satisfies that there is a spacing between the lower bottom surface of the reduction motor 14 and the belt 7. The output shaft of the reduction motor is fixedly connected to a screw rod 15, and a through hole larger than the screw rod 15 is provided in the middle of the top plate of the channel steel-shaped bracket 13; the part of the slider 2 extending beyond the slide rail is slidably connected to four vertical columns 16, the lower end of the vertical column is fixedly connected to the roller seat 6, and the upper end of the vertical column is fixedly connected to a flat plate 17, which is threadedly connected to the screw rod 15.

[0037] After the reduction motor 14 is driven in this way, the flat plate 17 threadedly adapted to the screw rod 15 rises or falls, which also drives the roller seat to rise or fall, and does not interfere with the belt transmission mechanism during the rising or falling process (because the vertical column is set to slide with the slider; and the reduction motor is fixed to the slider through a channel steel bracket, but the reduction motor is not in contact with the belt relative to the belt). When the belt transmission mechanism is driven, the belt can drive the slider to move along the slide rail to realize the translation of the roller seat, which can realize the reciprocating grinding of the edge surface of the ceramic filter plate by the grinding roller and the grinding before and after grinding. The roller seat is moved horizontally and lifted up and down (between the edge sealing process and the curing process, it also includes the process of first driving the roller seat to rise through the lifting drive mechanism {to avoid the mixed liquid from continuing to be coated on the non-set area of the plate surface} and the reset of the driving mechanism of the pressure plate to stop pressing the ceramic filter plate, and then the belt transmission mechanism drives the roller seat to reset and move back; in addition, in order to improve the coating effect, the roller seat can be driven to rise slightly by the lifting mechanism after grinding and resetting to the edge of the edge sealing edge {referring to the side of the edge sealing area close to the unsealed edge of the plate surface}, and then the coating is completed by reciprocating several times).

[0038] The driving mechanism of the pressure plate 12 includes a cylinder 19 fixedly connected to the side of the frame beam 10 through a connecting plate 18. The side of the cylinder facing the side of the frame beam 10 is spaced apart from the vertical column 16. The piston rod of the cylinder is fixedly connected to a slide 20, and the slide is slidably set on a track 21 through the connecting plate 18. The aforementioned track 21 is fixedly connected to the frame beam 10 and the track 21 is located on one side of the slide rail 11. A horizontal plate 22 is fixedly connected under the slide 20, and a briquetting cylinder 23 is fixedly arranged under the horizontal plate. The exposed end of the piston rod of the briquetting cylinder is fixedly connected to the pressure plate 12.

[0039] Since multiple slide rails 11 are provided and multiple belt drive mechanisms are provided correspondingly, a horizontal plate can be fixedly connected to multiple slide plates; the slide plate 20 is in the shape of a channel steel to avoid the vertical columns; when the rear cylinder 19 is set in this way, it drives the slide plate 20 to slide (and this process does not interfere with the roller seat 6, because the side of the cylinder 19 facing the side of the beam is spaced apart from the vertical column 16 and the slide plate 20 is in the shape of a channel steel and also avoids the vertical column, and the roller seat 6 is fixedly connected to the vertical column 16), which drives the briquetting cylinder 23 to move, and the action of the rear briquetting cylinder realizes that the pressure plate is pressed against the surface of the ceramic filter plate to ensure the stability of the grinding and edge sealing processes.

[0040] The clamping mechanism of the ceramic filter plate includes a support 25 fixedly connected to the base 8, and a plurality of channel-shaped limit strips 26 matching the ceramic filter plate 4 are fixed on the upper surface of the support. The long strip size of the channel-shaped limit strip is larger than the width of the end of the ceramic filter plate 4 inserted into the channel-shaped limit strip, and the short strip size of the channel-shaped limit strip is smaller than the length of the ceramic filter plate. A pair of pressure cylinders 27 are also fixedly provided on the upper surface of the support on one side of the channel-shaped limit strip 26. The cylinder bodies of the pressure cylinders are arranged adjacent to each other, and the exposed ends of the piston rods of the two pressure cylinders respectively abut against a pressure block 28 hinged on the upper surface of the support 25. The two pressure blocks 28 are respectively located on the outside of the two short strips of the channel-shaped limit strip 26; a pneumatic metering and mixing system 5 is fixedly connected to the side of the roller seat 6, and a high-pressure air pipe 29 is fixedly connected to one side of the pneumatic metering and mixing system. An air valve is provided on the high-pressure air pipe, and the high-pressure air pipe is connected to the air pump.

[0041] The air pump is generally installed on the ground on one side, away from the base and frame. One end of the ceramic filter plate is inserted into the channel-shaped limit bar, and then the two pressure cylinders are activated simultaneously, pushing the pressure block to rotate around its hinge point to clamp the ceramic filter plate from both sides. For mixing epoxy resin and curing agent, a pneumatic metering mixing system, an automatic epoxy resin glue pouring machine, or a vacuum mixing and dispersing machine is used; the mixed liquid can be injected with a vacuum pump or a glue gun. Therefore, the pneumatic mixing and metering system can be replaced by an automatic epoxy resin glue pouring machine or a vacuum mixing and dispersing machine. If a vacuum mixing and dispersing machine is used (which can be installed on the side of the edge banding and grinding equipment), a vacuum pump or glue gun fixed to the side of the roller seat is also required.

[0042] After this setting, the edge banding process is almost completely incorporated into the trimming or grinding process. Except for the final curing process of the edge banding, which is not incorporated into the grinding process, other steps such as the cleaning step before the edge banding are set in the reciprocating grinding process, and the step of mixing the curing agent and epoxy resin in the edge banding is also set in the middle and late stages of the reciprocating grinding. Mixing and stirring are carried out while reciprocating grinding. The step of injecting the mixed and stirred epoxy resin and curing agent mixture into the board surface is also set in the reciprocating grinding process. The coating step of the edge banding directly relies on the final resetting action of the reciprocating grinding, so the work efficiency is greatly improved and the working hours are reduced.

[0043] Since the proportion of square ceramic filter plates is small, most of them are Figure 11 The shape shown; Figure 12 is a schematic diagram of the corresponding clamping mechanism.

[0044] Embodiment 2: The only difference from Embodiment 1 is that a dust collector is fixedly provided on one side of the roller seat; The cleaning process is achieved through a vacuum cleaner. In this way, during the reciprocating grinding process, each time the servo drive motor of the belt transmission mechanism rotates for a period of time (that is, the belt drives the slider to move until the grinding roller just reaches the edge of the ceramic filter plate), it stops for a short time. While stopping, the vacuum cleaner works to suck air to clean the edge of the ceramic plate. Therefore, the plate surface is cleaned by suction every time the edge is ground. The last time the belt drives the slider to move until the grinding roller just reaches the edge of the ceramic filter plate, the mixed liquid is first injected into the plate surface, and then the vacuum cleaner continues to repeat the above action, that is, continue to suck air, but this time it is to allow the mixed liquid injected into the plate surface to flow and cover the plate surface more evenly (but the action is consistent with before, which is more convenient to operate and reduces the probability of error in the work).

[0045] While the grinding roller is driven to reset to coat the mixed liquid injected on the plate surface, the mixed liquid injected on the plate surface is made more uniform by vacuuming, so that the coating uniformity can basically meet the required requirements through the simple action of resetting the grinding roller; in addition, the negative pressure exhaust action required for cleaning is continued to be used for the last grinding, and vacuuming can be continued for a period of time after coating to improve the uniformity of coating (because vacuuming immediately after coating to remove bubbles can improve the uniformity of coating).

[0046] For mixing epoxy resin and curing agent, a pneumatic metering mixing system, an automatic epoxy resin glue filling machine or a vacuum mixing and dispersing machine is used; the mixed liquid can be injected using a vacuum pump or a glue injection gun.

[0047] Example 4: The only difference from Example 1 is that Figures 13 to 17As shown, the plate surface cleaning structure includes an intermediate plate 24 fixedly connected to the frame beam 9, and the intermediate plate is located between the vertical surface in the middle of the ceramic filter plate and the vertical surface of the edge of the ceramic filter plate sealing edge (so that it does not affect the translation of the pressure plate or the roller seat), and a permanent magnet plate 30 is fixedly connected to the intermediate plate 24, and a soft brush magnetic strip structure is adsorbed on the permanent magnet plate; the soft brush magnetic strip structure consists of a magnetic strip and a plurality of soft brushes 31 fixedly connected to the magnetic strip; the grinding roller is an electromagnetic grinding roller (the magnetism is much greater than the magnetism of the permanent magnet plate when energized), and a semi-annular roller is provided on the roller seat 6. A top cover 32 is provided (used to prevent the soft brush magnetic strip structure on the electromagnetic grinding roller from flying too far due to centrifugal force when the electromagnetic grinding roller is demagnetized). An intermediate plate 33, which is higher than the belt, is also fixedly connected to the frame beam 9. Two travel switches 34 are provided on the intermediate plate (located at the two ends of the travel of the roller seat, or more accurately, at the two ends of the travel of the push blocks fixed to the belt). Push blocks 35 adapted to the travel switches are fixedly connected to the belt 1. The travel switches are connected to the controller signal, and the controller is connected to the power signal of the grinding roller (i.e., the electromagnetic grinding roller). When the belt drive mechanism drives the roller seat to move back and forth, the push block 35 reaches the travel switch and the controller controls the grinding roller to be energized and magnetic. At this time, the grinding roller is closest to the permanent magnet plate, and the soft brush magnetic strip structure on the permanent magnet plate is adsorbed onto the grinding roller and rotates with the grinding roller. When it reaches the other end of the travel, the controller controls the grinding roller to lose power and lose magnetism. At this time, the soft brush magnetic strip structure is thrown out. Due to the obstruction of the semi-annular top cover (a better solution is to provide a baffle on the side of the grinding roller away from the permanent magnet plate to prevent the soft brush magnetic strip structure from being located on the side of the grinding roller away from the permanent magnet plate when the grinding roller loses power and is thrown away from the permanent magnet plate, and a more preferred solution is: the aforementioned baffle is an elastic plate, which can bounce the soft brush magnetic strip structure back to the direction close to the permanent magnet plate after being collided with by the flying soft brush magnetic strip structure, so that the permanent magnet plate can re-adsorb the soft brush magnetic strip structure), and below is a ceramic filter plate, which cooperates with the permanent magnet plate, and the soft brush magnetic strip structure is adsorbed back to the permanent magnet plate.

[0048] This method is even better. The soft brush on the grinding roller can be applied simply by moving the roller back. This structure allows for cleaning during the roller backsliding and grinding during the roller forwards. During the final grinding, the roller forwards and then performs grinding. While the roller moves back (i.e., during the reset step after the final grinding), glue is injected and the grinding roller resets to achieve edge coating. Of course, the grinding roller remains de-energized during the reset to prevent it from attracting the soft brush magnetic strip, resulting in a cleaning step rather than a coating step.

[0049] Example 5: The only difference from Example 4 is that Figures 18 to 21As shown, the plate surface cleaning structure includes a plurality of grooves 36 evenly spaced on the surface of the grinding roller, a soft brush structure is provided inside the grinding roller, and the soft brush structure includes a horizontal bar slidably set in the groove, and a plurality of soft brushes 31 fixedly provided at intervals on the horizontal bar, and the horizontal bar is fixedly connected to the bottom wall of the groove through a magnet embedded spring 37 (permanent magnets are embedded inside or at both ends of the spring); the grinding roller is an electromagnetic grinding roller; an intermediate plate 38 higher than the belt is also fixedly connected to the frame beam 9, and two travel switches 34 are provided on the intermediate plate (respectively located at the two ends of the travel of the roller seat), and a push block 35 adapted to the travel switch is fixedly connected to the belt 1, and the travel switch is connected to the controller signal, and the controller is connected to the power signal of the grinding roller (i.e., the electromagnetic grinding roller); Thus, when the belt drive mechanism drives the roller seat back and forth, the controller controls the grinding roller to be energized and magnetic when the push block reaches the travel switch, causing the magnet embedded in the spring 37 to be attracted and contracted, thereby retracting the soft brush structure into the groove. When the push block reaches the other end of the travel, the controller controls the grinding roller to be de-energized and lose its magnetism. The magnet embedded in the spring is no longer attracted and releases its elasticity, causing the soft brush to extend. This structural arrangement allows cleaning during the roller seat's return movement and grinding during its forward movement. During the final grinding, the roller seat grinds as it moves forward, while the roller seat returns (i.e., during the reset step after the final grinding), glue is injected and the grinding roller is reset to achieve edge coating. Of course, during the reset, the grinding roller remains energized to ensure that the soft brush structure is retracted into the groove, completing the coating step and avoiding a cleaning step.

[0050] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A process for edge sealing of ceramic plates, characterized in that: The process consists of the following steps: reciprocating grinding of the edge of the ceramic filter plate or repeating the following steps on the edge of the ceramic filter plate: cleaning after grinding; during the last grinding step, while resetting the grinding, the mixture of epoxy resin and curing agent on the plate surface is driven to be coated on the plate surface at the edge of the ceramic filter plate to complete the edge sealing process.

2. The edge sealing process for ceramic plates according to claim 1, characterized in that: During the reciprocating grinding process, except for the last grinding, each time grinding reaches the edge of the ceramic filter plate, stop for a period of time, and clean the edge of the ceramic filter plate while stopping.

3. The edge sealing process for ceramic plates according to claim 2, characterized in that: The last grinding is to the edge of the ceramic filter plate and no cleaning is done. Then the mixed epoxy resin and curing agent mixture is injected into the edge of the ceramic filter plate. Then, while grinding and resetting, the epoxy resin and curing agent mixture on the plate surface is driven to be coated on the edge of the ceramic filter plate to complete the edge sealing process. The ceramic filter plate after edge sealing is then cured at room temperature or sent to a heating room for heating and curing. During the reciprocating grinding process, the epoxy resin and the curing agent are also mixed and stirred.

4. The edge sealing process for ceramic plates according to claim 3, characterized in that: Before reciprocating grinding, the grinding roller is first driven to the top of the edge surface of the ceramic filter plate and then descends until the grinding roller contacts the edge surface of the ceramic filter plate; while the grinding roller is first driven to the top of the edge surface of the ceramic filter plate, the pressing plate is first driven to the center position of the ceramic filter plate and then descends to press the ceramic filter plate.

5. The edge sealing process for ceramic plates according to claim 4, characterized in that: The equipment used in the grinding and edge banding processes includes a base, a frame beam fixedly connected to the base, a frame beam fixedly connected to the frame beam, a slide rail is provided on the frame beam, a slider is slidably provided on the slide rail, the slider is fixedly connected to the belt of the belt transmission mechanism, the slider is connected to the roller seat of the grinding roller, and the slider is also provided with a lifting drive mechanism of the roller seat; the frame beam is also provided with a driving mechanism for the pressure plate; the base is also provided with a clamping mechanism for the ceramic filter plate; the aforementioned equipment also includes a plate surface cleaning mechanism and a mixing mechanism for the epoxy resin and curing agent.

6. The edge sealing process for ceramic plates according to claim 5, characterized in that: The plate surface cleaning mechanism is fixedly connected to the roller seat; the plate surface cleaning mechanism includes a high-pressure air pipe, which is a hose; and the mixing mechanism is a pneumatic metering mixing system.

7. The edge sealing process for ceramic plates according to claim 6, characterized in that: The length of the slider is greater than the width of the slide rail; the lifting drive mechanism includes a channel steel bracket fixedly arranged on the slider, a reduction motor is fixedly connected under the top plate of the channel steel bracket, the size of the channel steel bracket satisfies the spacing between the lower bottom surface of the reduction motor and the belt, the output shaft of the reduction motor is fixedly connected to a screw rod, and a through hole larger than the screw rod is provided in the middle of the top plate of the channel steel bracket; the part of the slider extending beyond the slide rail is slidably connected to four vertical columns, the lower ends of the vertical columns are fixedly connected to the roller seat, the upper ends of the vertical columns are fixedly connected to a flat plate, and the flat plate is threadedly connected to the screw rod.

8. The edge sealing process for ceramic plates according to claim 7, characterized in that: The driving mechanism of the pressure plate includes a cylinder fixedly connected to the side of the frame beam through a connecting plate, and a side of the cylinder facing the side of the beam is spaced apart from the vertical column. The piston rod of the cylinder is fixedly connected to a slide plate, and the slide plate is slidably set on a track through the connecting plate. The aforementioned track is fixedly connected to the frame beam and the track is located on one side of the slide rail. A horizontal plate is fixedly connected under the slide plate, and a pressure block cylinder is fixedly arranged under the horizontal plate, and the exposed end of the piston rod of the pressure block cylinder is fixedly connected to the pressure block.

9. The edge sealing process for ceramic plates according to claim 8, characterized in that: The clamping mechanism of the ceramic filter plate includes a support fixedly connected to the base, and a plurality of channel-shaped limit strips matching the ceramic filter plate are fixedly provided on the upper surface of the support. The long strip size of the channel-shaped limit strip is larger than the width of the end of the ceramic filter plate inserted into the channel-shaped limit strip, and the short strip size of the channel-shaped limit strip is smaller than the length of the ceramic filter plate. A pair of pressure cylinders are also fixedly provided on the upper surface of the support on one side of the channel-shaped limit strip. The cylinder bodies of the pressure cylinders are arranged closely together, and the exposed ends of the piston rods of the two pressure cylinders respectively abut against a pressure block hinged to the upper surface of the support, and the two pressure blocks are respectively located on the outside of the two short strips of the channel-shaped limit strip; a pneumatic metering and mixing system is fixedly connected to the side of the roller seat, and a high-pressure air pipe is fixedly connected to one side of the pneumatic metering and mixing system. An air valve is provided on the high-pressure air pipe, and the high-pressure air pipe is connected to the air pump.

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