A negative pressure water removal system for a glass substrate polishing wheel

Abstract

This invention provides a negative pressure dewatering system for glass substrate grinding wheels, including a grinding table assembly, a traveling assembly mounted above the grinding table assembly, and a grinding assembly mounted on the traveling assembly. The water absorption assembly includes a negative pressure adsorption component, the input end of which is fixedly connected to a main water inlet pipe. One end of the main water inlet pipe is fixedly connected to a four-way valve, the input ends of which are respectively connected to a first water absorption component, a second water absorption component, and a third water absorption component. The negative pressure adsorption component includes a storage tank, the lower part of one side of which is fixedly connected to a drain pipe, a drain valve installed inside the drain pipe, and an exhaust fan fixedly connected to one side of the storage tank. This invention, through the coordinated operation of the grinding table assembly, the traveling assembly, the grinding assembly, the water absorption component, and the cooling assembly, achieves the grinding of glass substrates and the recovery of waste liquid generated during grinding.

Description

Technical Field

[0001] This invention relates to the field of negative pressure dehydration technology for glass substrate grinding, and specifically to a negative pressure dehydration system for glass substrate grinding wheels. Background Technology

[0002] In the manufacturing process of liquid crystal glass substrates, the grinding process is a crucial intermediate step that determines the flatness, cleanliness, and subsequent optical performance of the substrate surface. This process typically uses a high-speed rotating grinding wheel to perform micro-cuts on the glass substrate surface to eliminate the microscopic damage layer generated by previous cutting or grinding. To ensure processing accuracy, extend the life of the grinding wheel, and prevent localized overheating and cracking of the substrate, a large amount of deionized water or coolant must be continuously supplied to the processing area during the grinding process. Its function is to cool the grinding interface, lubricate the grinding wheel, and wash away glass debris carried off.

[0003] However, after the polishing process, a liquid film or water stain containing glass micropowder and dissolved ions remains on the surface of the glass substrate. If this residual liquid film is not quickly and thoroughly removed before proceeding to subsequent processes (such as precision polishing, chemical strengthening, magnetron sputtering coating, or photolithography), it will cause the following defects: First, the solid particles in the liquid film may adhere to the surface after drying, forming difficult-to-remove adhesive particulate contamination; second, ions or organic matter in the residual moisture may cause surface etching or reduced film adhesion in subsequent heat treatment or vacuum environments; more commonly, uneven distribution of the liquid film can lead to localized slippage of the polishing pad, abnormal coating thickness, or uneven photoresist coating, directly manifesting as water stains, scratches, or film interference color differences, severely reducing product yield.

[0004] To address the aforementioned need for residual water removal, existing industrial production primarily employs vacuum adsorption devices for water removal. However, this traditional technical solution has the following shortcomings in practical applications:

[0005] Most existing equipment uses a single-unit water absorption structure with fixed power, which has a limited suction or adsorption volume per unit time. As the display panel industry develops towards larger sizes and higher grinding feed speeds, the liquid-laden area that needs to be processed per unit time has increased dramatically. The water removal throughput of traditional single-unit structures cannot match this, resulting in frequent residual water bands on the substrate surface, especially in the edge areas, after grinding, creating potential quality issues. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a negative pressure dehydration system for glass substrate grinding wheels, solving the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A negative pressure dewatering system for a glass substrate grinding wheel includes a grinding table assembly, a traveling assembly mounted above the grinding table assembly, a grinding assembly mounted on the traveling assembly, and a water absorption assembly and a cooling assembly mounted on the grinding assembly. The water absorption assembly includes a negative pressure adsorption component, with a main water inlet pipe fixedly connected to its input end. A four-way valve is fixedly connected to one end of the main water inlet pipe, and a first, second, and third water absorption component are connected to the input ends of the four-way valve. The second and third water absorption components have the same structure as the first water absorption component, and the first, second, and third water absorption components are arranged in a U-shape. The first water-absorbing component, the second water-absorbing component, the third water-absorbing component, and the cooling component are arranged in a rectangular shape. The first water-absorbing component includes a first diversion pipe, the output end of the four-way valve is fixedly connected to the first diversion pipe, one end of the first diversion pipe is fixedly connected to a regulating valve, and the input end of the regulating valve is fixedly connected to a water-absorbing nozzle. The negative pressure adsorption component includes a storage box, the lower part of one side of the storage box is fixedly connected to a drain pipe, a drain valve is installed in the drain pipe, one side of the storage box is fixedly connected to an exhaust fan, the input end of the exhaust fan is connected to the inside of the storage box, the main water inlet pipe is connected to the inside of the storage box, a baffle plate is fixedly connected to the upper part of the inner cavity of the storage box, and an L-shaped isolation plate is fixedly connected to the inner wall of the storage box.

[0009] Furthermore, the cooling component includes a coolant tank, a water pump bracket is fixedly connected to one side of the coolant tank, a cooling pump is fixedly connected to the top surface of the water pump bracket, the input end of the cooling pump is connected to the coolant tank through an inlet hose, the output end of the cooling pump is fixedly connected to a drain hose, and a cooling nozzle is fixedly connected to one end of the drain hose.

[0010] Furthermore, the grinding table assembly includes a platform, with support legs fixedly connected at equal intervals on the bottom surface of the platform, drainage holes equally spaced on the top surface of the platform, a water-carrying cavity provided inside the platform, the drainage holes communicating with the water-carrying cavity, and a drainage pipe fixedly connected to the bottom surface of the platform, the drainage pipe communicating with the water-carrying cavity.

[0011] Furthermore, the grinding table assembly also includes a first rack and a stepped groove. Stepped grooves are respectively provided at both ends of the top surface of the platform. A first track is fixedly connected in the stepped groove. The first rack is fixedly connected at both ends of the platform and at the lower part of the stepped groove.

[0012] Furthermore, the traveling assembly includes a gantry frame, with traveling blocks fixedly connected to both ends of the bottom surface of the gantry frame. A dovetail groove is provided on one side of each traveling block, allowing the traveling block to slide on the surface of the first track via the dovetail groove. Motor mounting plates are fixedly connected to both sides of the gantry frame, and a traveling reducer is fixedly connected to one side of each motor mounting plate. A traveling gear is fixedly connected to the output end of the traveling reducer, and the traveling gear meshes with a first rack.

[0013] Furthermore, the walking assembly also includes a second track and a second rack, with the second track fixedly connected to the bottom surface of the gantry frame and the second rack fixedly connected to the top surface of the gantry frame.

[0014] Furthermore, the grinding assembly includes a lateral moving component, on one side of which the grinding component is mounted, and on one side of which, in front of the grinding component, a pipe fixing component is mounted.

[0015] Furthermore, the lateral movement component includes a traveling frame, a traveling track is fixedly connected to the top surface of the traveling frame, the traveling track slides on the surface of the second track, a vertical plate is fixedly connected to the top surface of the traveling frame, a lateral movement reducer is fixedly connected to one side of the vertical plate, a lateral movement gear is fixedly connected to the output end of the lateral movement reducer, and the lateral movement gear meshes with the second rack.

[0016] Furthermore, the grinding component includes a grinding reducer, a C-frame, and a grinding cover. The grinding reducer is fixedly connected to one side of the traveling frame, and a drive shaft is fixedly connected to the output end of the grinding reducer. A grinding wheel is fixedly connected to the surface of the drive shaft. The C-frame is fixedly connected to the other side of the traveling frame, and a grinding cover is installed in the middle of the C-frame. Protrusions are symmetrically fixedly connected to the surface of the grinding cover, and the protrusions are fixedly connected to the C-frame by bolts.

[0017] Furthermore, the pipe fixing component includes an L-shaped rod and a U-shaped rod. The other side of the traveling frame is symmetrically fixedly connected with an L-shaped rod. One end of the top surface of the L-shaped rod is provided with a slot. One side of the L-shaped rod is threaded with a connecting bolt. Both ends of the U-shaped rod are respectively fixedly connected with a locking block. One side of the locking block is provided with a fixing hole.

[0018] This invention provides a negative pressure dehydration system for glass substrate grinding wheels. Compared with the prior art, it has the following advantages:

[0019] 1. Overall layout and structure: The grinding table assembly carries the glass substrate, the walking assembly drives the grinding assembly to move over a wide range, and the grinding assembly integrates the water absorption assembly and the cooling assembly to realize the integrated grinding, cooling and waste liquid negative pressure suction. The equipment has a compact structure and can complete grinding cooling and water removal simultaneously.

[0020] 2. The water absorption assembly uses a four-way valve to divert water into three sets of identical water absorption components. These three sets are arranged in a U-shape, and the water absorption assembly and cooling assembly are arranged in a rectangular configuration. Multi-point synchronous negative pressure water absorption, matched with the moving grinding wheel, expands the waste liquid suction coverage area.

[0021] 3. Each water suction unit is equipped with a first diversion pipe, a regulating valve, and a water suction nozzle. The regulating valve can independently adjust the water suction flow rate of a single channel, and can adjust the suction force of each water suction point as needed.

[0022] 4. The negative pressure adsorption component is equipped with a storage box as a waste liquid buffer container, which, together with the exhaust fan, creates a negative pressure environment; the baffle plate and L-shaped isolation plate double block water vapor, preventing the waste liquid water mist from being directly drawn out by the exhaust fan; the bottom drain pipe and drain valve can centrally and periodically discharge the collected waste liquid, realizing gas-liquid separation and centralized recycling of waste liquid. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 An overall schematic diagram of the present invention is shown;

[0025] Figure 2 This diagram shows another perspective view of the overall invention;

[0026] Figure 3 A schematic diagram of the cooling component of the present invention is shown;

[0027] Figure 4 A schematic diagram of the negative pressure adsorption component of the present invention is shown;

[0028] Figure 5 A partial cross-sectional schematic diagram of the negative pressure adsorption component of the present invention is shown;

[0029] Figure 6 A partial cross-sectional schematic diagram of the grinding table assembly of the present invention is shown;

[0030] Figure 7 This shows a schematic diagram of a partial cross-section of the grinding table assembly of the present invention from another perspective;

[0031] Figure 8 A schematic diagram of the walking component of the present invention is shown;

[0032] Figure 9 A schematic diagram of the walking component and grinding component of the present invention is shown;

[0033] Figure 10 A schematic diagram of the water-absorbing component of the present invention is shown;

[0034] Figure 11 This is a schematic diagram of the water-absorbing component of the present invention from another perspective;

[0035] Figure 12 A schematic diagram of the grinding component and the water-absorbing component of the present invention is shown;

[0036] Figure 13 A schematic diagram of the disassembled grinding assembly of the present invention is shown;

[0037] Figure 14 This diagram shows a split view of the grinding assembly of the present invention.

[0038] Figure 15 A schematic diagram of the grinding component of the present invention is shown;

[0039] Figure 16 This diagram shows another perspective view of the grinding component of the present invention;

[0040] As shown in the figure:

[0041] 100. Grinding table assembly; 101. Platform; 102. Support leg; 103. Drain hole; 104. Water passage chamber; 105. Drain pipe; 106. First rack; 107. Stepped groove; 108. First track;

[0042] 200. Traveling assembly; 201. Gantry frame; 202. Traveling block; 203. Dovetail groove; 204. Motor mounting plate; 205. Traveling reducer; 206. Traveling gear; 207. Second track; 208. Second rack;

[0043] 300. Grinding assembly; 301. Walking frame; 302. Walking track; 303. Vertical plate; 304. Transverse reducer; 305. Transverse gear; 306. Grinding reducer; 307. C-frame; 308. Grinding cover; 309. Drive shaft; 310. Grinding wheel; 311. Protrusion; 312. L-shaped rod; 313. U-shaped rod; 314. Slot; 315. Connecting bolt; 316. Locking block; 317. Fixing hole;

[0044] 400. Water suction assembly; 401. Main water inlet pipe; 402. Four-way valve; 403. First branch pipe; 404. Regulating valve; 405. Water suction nozzle; 406. Storage tank; 407. Drain pipe; 408. Exhaust fan; 409. Water baffle; 410. L-shaped isolation plate;

[0045] 500 Cooling assembly; 501 Coolant tank; 502 Water pump bracket; 503 Cooling pump; 504 Inlet hose; 505 Drain hose; 506 Cooling nozzle. Detailed Implementation

[0046] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0047] Combination Figures 1-16 As shown, the present invention provides a negative pressure dewatering system for a glass substrate grinding wheel, including a grinding table assembly 100, a traveling assembly 200 mounted above the grinding table assembly 100, a grinding assembly 300 mounted on the traveling assembly 200, and a water absorption assembly 400 and a cooling assembly 500 mounted on the grinding assembly 300 respectively; the water absorption assembly 400 includes a negative pressure adsorption component, the input end of the negative pressure adsorption component is fixedly connected to a main water inlet pipe 401, one end of the main water inlet pipe 401 is fixedly connected to a four-way valve 402, the input end of the four-way valve 402 is respectively connected to a first water absorption component, a second water absorption component and a third water absorption component, the second water absorption component and the third water absorption component adopt the same structure as the first water absorption component, the first water absorption component, the second water absorption component and the third water absorption component are arranged in a U-shape, the first water absorption component, the second water absorption component, and the third water absorption component are arranged in a U-shape. The second water-absorbing component, the third water-absorbing component, and the cooling component 500 are arranged in a rectangular shape. The first water-absorbing component includes a first diversion pipe 403. The output end of the four-way valve 402 is fixedly connected to the first diversion pipe 403. One end of the first diversion pipe 403 is fixedly connected to a regulating valve 404. The input end of the regulating valve 404 is fixedly connected to a water-absorbing nozzle 405. The negative pressure adsorption component includes a storage box 406. A drain pipe 407 is fixedly connected to the lower part of one side of the storage box 406. A drain valve is installed inside the drain pipe 407. An exhaust fan 408 is fixedly connected to one side of the storage box 406. The input end of the exhaust fan 408 is connected to the inside of the storage box 406. The main water inlet pipe 401 is connected to the inside of the storage box 406. A baffle plate 409 is fixedly connected to the upper part of the inner cavity of the storage box 406. An L-shaped isolation plate 410 is fixedly connected to the inner wall of the storage box 406.

[0048] Through the above structure:

[0049] 1. Overall layout and structure: The grinding table assembly carries the glass substrate, the walking assembly drives the grinding assembly to move over a wide range, and the grinding assembly integrates the water absorption assembly and the cooling assembly to realize the integrated grinding, cooling and waste liquid negative pressure suction. The equipment has a compact structure and can complete grinding cooling and water removal simultaneously.

[0050] 2. The water absorption assembly uses a four-way valve to divert water into three sets of identical water absorption components. These three sets are arranged in a U-shape, and the water absorption assembly and cooling assembly are arranged in a rectangular configuration. Multi-point synchronous negative pressure water absorption, matched with the moving grinding wheel, expands the waste liquid suction coverage area.

[0051] 3. Each water suction unit is equipped with a first diversion pipe, a regulating valve, and a water suction nozzle. The regulating valve can independently adjust the water suction flow rate of a single channel, and can adjust the suction force of each water suction point as needed.

[0052] 4. The negative pressure adsorption component is equipped with a storage box as a waste liquid buffer container, which, together with the exhaust fan, creates a negative pressure environment; the baffle plate and L-shaped isolation plate double block water vapor, preventing the waste liquid water mist from being directly drawn out by the exhaust fan; the bottom drain pipe and drain valve can centrally and periodically discharge the collected waste liquid, realizing gas-liquid separation and centralized recycling of waste liquid.

[0053] In this embodiment, the cooling component 500 includes a coolant tank 501, a water pump bracket 502 is fixedly connected to one side of the coolant tank 501, a cooling pump 503 is fixedly connected to the top surface of the water pump bracket 502, the input end of the cooling pump 503 is connected to the coolant tank 501 through a water inlet hose 504, the output end of the cooling pump 503 is fixedly connected to a drain hose 505, and a cooling nozzle 506 is fixedly connected to one end of the drain hose 505.

[0054] A cooling system is used to store the cooling medium in a coolant tank, and the cooling pump is fixed to a pump bracket for stable installation. The cooling pump draws coolant through pipelines and delivers it to cooling nozzles for directional spraying onto the grinding contact surface between the grinding wheel and the glass substrate. This structure continuously cools the grinding points, reducing grinding wheel wear and suppressing localized high temperatures. The sprayed coolant forms a flowing liquid film, carrying grinding waste liquid to the suction nozzle area, facilitating the unified collection of waste liquid by the negative pressure suction assembly.

[0055] In this embodiment, the grinding table assembly 100 includes a platform 101. Support legs 102 are fixedly connected to the bottom surface of the platform 101 at equal intervals. Drainage holes 103 are provided at equal intervals on the top surface of the platform 101. A water-carrying cavity 104 is provided inside the platform 101. The drainage holes 103 communicate with the water-carrying cavity 104. A drain pipe 105 is fixedly connected to the bottom surface of the platform 101. The drain pipe 105 communicates with the water-carrying cavity 104.

[0056] The platform is stably supported by support legs; it has drainage holes and an internal water-carrying chamber, with a drain pipe connected to the bottom. Waste liquid remaining on the platform surface can flow into the water-carrying chamber through the drainage holes and then be discharged and collected through the drain pipe, preventing waste liquid from accumulating on the workbench, reducing secondary water stains on the glass substrates, and maintaining a clean processing area.

[0057] In this embodiment, the grinding table assembly 100 further includes a first rack 106 and a stepped groove 107. The two ends of the top surface of the platform 101 are respectively provided with stepped grooves 107. A first track 108 is fixedly connected in the stepped groove 107. The two ends of the platform 101 and the lower part of the stepped groove 107 are fixedly connected with the first rack 106.

[0058] The platform is equipped with stepped grooves at both ends, with a first track and a first rack installed within each groove. The stepped grooves provide limiting protection for the track; the first track provides sliding guidance for the traveling components; and the first rack serves as the meshing base for the traveling transmission, providing a transmission foundation for the overall translation of the gantry frame, ensuring smooth movement and precise positioning of the traveling components.

[0059] In this embodiment, the walking assembly 200 includes a gantry frame 201. Two walking blocks 202 are fixedly connected to the two ends of the bottom surface of the gantry frame 201. A dovetail groove 203 is provided on one side of the walking block 202. The walking block 202 slides on the surface of the first track 108 through the dovetail groove 203. Motor mounting plates 204 are fixedly connected to both sides of the gantry frame 201. A walking reducer 205 is fixedly connected to one side of the motor mounting plate 204. A walking gear 206 is fixedly connected to the output end of the walking reducer 205. The walking gear 206 meshes with the first rack 106.

[0060] A dovetail groove is set on the bottom traveling block of the portal frame, which slides in conjunction with the first track. The dovetail structure has the functions of preventing derailment and lateral limiting. The traveling reducer drives the traveling gear to mesh with the first rack on the platform. The entire portal frame is driven to automatically reciprocate along the track by the gear and rack transmission, which drives the entire grinding assembly above to move synchronously, so as to achieve full coverage grinding of large-area glass substrates.

[0061] In this embodiment, the walking component 200 further includes a second track 207 and a second rack 208. The bottom surface of the gantry frame 201 is fixedly connected to the second track 207, and the top surface of the gantry frame 201 is fixedly connected to the second rack 208.

[0062] A second track is installed on the bottom surface of the portal frame, and a second rack is installed on the top surface. The second track provides lateral sliding guidance, and the second rack serves as a lateral transmission engagement carrier, providing an installation and transmission basis for the independent lateral movement of the grinding assembly on the portal frame. This enables independent adjustment of the lateral position of the grinding wheel and expands the processing adaptability range of the equipment.

[0063] In this embodiment, the grinding assembly 300 includes a lateral moving component, a grinding component is mounted on one side of the lateral moving component, and a pipe fixing component is mounted on one side of the lateral moving component and in front of the grinding component.

[0064] The grinding assembly is divided into three main modules: the lateral movement component, the grinding component, and the pipe fixing component. The lateral movement component is responsible for the overall lateral movement, the grinding component performs the grinding process, and the pipe fixing component centrally constrains the water intake and cooling pipes. The modular division structure is clear, and the pipelines are centrally fixed to avoid pipe shaking and tangling, which facilitates later maintenance and component disassembly and assembly.

[0065] In this embodiment, the lateral movement component includes a traveling frame 301, a traveling track 302 is fixedly connected to the top surface of the traveling frame 301, the traveling track 302 slides on the surface of the second track 207, a vertical plate 303 is fixedly connected to the top surface of the traveling frame 301, a lateral movement reducer 304 is fixedly connected to one side of the vertical plate 303, a lateral movement gear 305 is fixedly connected to the output end of the lateral movement reducer 304, and the lateral movement gear 305 meshes with the second rack 208.

[0066] The guide is achieved by the sliding mechanism of the traveling frame, which is equipped with a traveling track that cooperates with the second track of the gantry frame. The transverse reducer drives the transverse gear and the second rack on the gantry frame to mesh and transmit power, thus enabling the traveling frame to move automatically laterally. The gear and rack transmission enables precise lateral positioning of the grinding components, and in conjunction with the longitudinal movement of the gantry frame, it enables two-dimensional planar movement of the grinding wheel, meeting the grinding requirements of glass substrates of different lengths and widths.

[0067] In this embodiment, the grinding component includes a grinding reducer 306, a C-frame 307, and a grinding cover 308. The grinding reducer 306 is fixedly connected to one side of the walking frame 301. A drive shaft 309 is fixedly connected to the output end of the grinding reducer 306. A grinding wheel 310 is fixedly connected to the surface of the drive shaft 309. The C-frame 307 is fixedly connected to the other side of the walking frame 301. A grinding cover 308 is installed in the middle of the C-frame 307. A protrusion 311 is symmetrically fixedly connected to the surface of the grinding cover 308. The protrusion 311 is fixedly connected to the C-frame 307 by bolts.

[0068] The grinding operation is completed by rotating the grinding wheel through the drive shaft driven by the grinding reducer. The C-shaped frame and the grinding cover with the convex plate can be detached and assembled by bolts. The grinding cover is placed on the outside of the grinding wheel to prevent grinding waste liquid and debris from splashing outward. The bolt connection makes it easy to quickly disassemble the grinding cover and directly expose the grinding wheel, providing structural conditions for quick replacement of the grinding wheel.

[0069] In this embodiment, the pipe fixing component includes an L-shaped rod 312 and a U-shaped rod 313. The L-shaped rod 312 is symmetrically fixedly connected to the other side of the walking frame 301. A slot 314 is provided at one end of the top surface of the L-shaped rod 312. A connecting bolt 315 is threadedly connected to one side of the L-shaped rod 312. A locking block 316 is fixedly connected to both ends of the U-shaped rod 313. A fixing hole 317 is provided on one side of the locking block 316.

[0070] The U-shaped rod is fixed to the walking frame as a base via an L-shaped rod. The L-shaped rod has a slot, and the locking blocks at both ends of the U-shaped rod can be inserted into the slot. Connecting bolts are then used to lock the rod through the fixing holes. The water suction nozzle pipeline can be fixed to the U-shaped rod, stably constraining the nozzle and maintaining an optimal suction distance of 5-15mm between the nozzle and the glass substrate. The bolt-type snap-fit ​​structure allows for easy removal of the U-shaped rod by loosening the bolts, enabling quick assembly and disassembly of the water suction nozzle assembly and facilitating the replacement of the grinding wheel.

[0071] Working principle and usage process of this invention:

[0072] In use:

[0073] When using:

[0074] During the grinding operation, the glass substrate is first placed flat on the top surface of the platform 101. After the glass substrate is placed stably, the grinding reducer 306, the cooling pump 503, and the exhaust fan 408 are started. When the grinding reducer 306 is running, it drives the drive shaft 309 and the grinding wheel 310 to rotate, and the rotating grinding wheel 310 begins to grind the surface of the glass substrate.

[0075] During the polishing process, the travel reducer 205 and the lateral reducer 304 are activated respectively. The travel reducer 205 drives the travel gear 206 to rotate, causing the travel gear 206 to move along the first rack 106; when the travel gear 206 moves, it drives the gantry frame 201 to slide along the first track 108, realizing the translation of the gantry frame 201 above the platform 101. The lateral reducer 304 drives the lateral gear 305 to move along the second rack 208, thereby driving the travel frame 301 to move laterally along the gantry frame 201, thus adapting to the polishing operations of glass substrates of different lengths and widths.

[0076] During polishing, the cooling pump 503 operates, drawing coolant from the coolant tank 501 through the inlet hose 504 and delivering it to the drain hose 505. Finally, the coolant is sprayed out from the cooling nozzle 506. The sprayed coolant acts on the contact point between the polishing wheel 310 and the glass substrate, and flows down to the three sets of water suction nozzles 405 to facilitate the subsequent recycling of wastewater generated during polishing.

[0077] When the exhaust fan 408 is working, it creates a vacuum in the storage tank 406. As negative pressure forms inside the storage tank 406, negative pressure is simultaneously generated in the main water inlet pipe 401, the four sets of first branch pipes 403, and the suction nozzles 405. The suction nozzles 405 maintain a distance of 5-15mm from the glass substrate, which can draw the waste liquid generated during polishing into the storage tank 406. After entering the storage tank 406, the waste liquid is blocked by the baffle plate 409, condensing into water droplets that collect inside the storage tank 406; the L-shaped isolation plate 410 can reduce the amount of water vapor discharged from the storage tank 406 with the airflow. When the liquid level in the storage tank 406 reaches the upper limit, the valve inside the drain pipe 407 is opened to discharge the waste liquid from the tank.

[0078] During the process of suctioning waste liquid by the suction nozzle 405, the staff can adjust the regulating valve 404 of each set of suction nozzles 405 according to the suction requirements, so as to control the suction flow rate of a single set of suction nozzles 405.

[0079] During the polishing operation, if waste liquid flows onto the surface of platform 101, the waste liquid will flow into the water flow chamber 104 through the drain hole 103 and finally be discharged from the drain pipe 105, making it convenient for staff to collect the waste liquid in a unified manner.

[0080] When the grinding wheel needs to be replaced later, the operation steps are as follows: First, the operator removes the connecting bolts at both ends of the L-shaped rod 312; after the connecting bolts are removed from the fixing hole 317, the U-shaped rod 313 is lifted upwards to disengage the locking block 316 from the locking groove 314, thus completing the disassembly of one set of water suction nozzles 405. Then, the bolts on the protrusions 311 on both sides of the grinding cover 308 are removed, and the grinding cover 308 is removed upwards after the bolts are removed; finally, the nut at the end of the drive shaft 309 is removed to facilitate the operator's disassembly and replacement of the grinding wheel 310.

[0081] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0082] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A negative pressure dehydration system for a glass substrate grinding wheel, characterized in that: It includes a grinding table assembly (100), a walking assembly (200) is mounted on the top of the grinding table assembly (100), a grinding assembly (300) is mounted on the walking assembly (200), and a water absorption assembly (400) and a cooling assembly (500) are respectively mounted on the grinding assembly (300). The water absorption assembly (400) includes a negative pressure adsorption component. The input end of the negative pressure adsorption component is fixedly connected to a main water inlet pipe (401). One end of the main water inlet pipe (401) is fixedly connected to a four-way valve (402). The input end of the four-way valve (402) is respectively connected to a first water absorption component, a second water absorption component, and a third water absorption component. The second water absorption component and the third water absorption component adopt the same structure as the first water absorption component. The first water absorption component, the second water absorption component, and the third water absorption component are arranged in a U-shape. The first water absorption component, the second water absorption component, the third water absorption component, and the cooling assembly (500) are arranged in a rectangular shape. The first water-absorbing component includes a first diverter pipe (403), the output end of the four-way valve (402) is fixedly connected to the first diverter pipe (403), one end of the first diverter pipe (403) is fixedly connected to a regulating valve (404), and the input end of the regulating valve (404) is fixedly connected to a water-absorbing nozzle (405). The negative pressure adsorption component includes a storage box (406), a drain pipe (407) is fixedly connected to the lower part of one side of the storage box (406), a drain valve is installed in the drain pipe (407), an exhaust fan (408) is fixedly connected to one side of the storage box (406), the input end of the exhaust fan (408) is connected to the inside of the storage box (406), the main water inlet pipe (401) is connected to the inside of the storage box (406), a baffle plate (409) is fixedly connected to the upper part of the inner cavity of the storage box (406), and an L-shaped isolation plate (410) is fixedly connected to the inner wall of the storage box (406).

2. The negative pressure dehydration system for a glass substrate grinding wheel according to claim 1, characterized in that: The cooling component (500) includes a coolant tank (501), a water pump bracket (502) is fixedly connected to one side of the coolant tank (501), a cooling pump (503) is fixedly connected to the top surface of the water pump bracket (502), the input end of the cooling pump (503) is connected to the coolant tank (501) through a water inlet hose (504), the output end of the cooling pump (503) is fixedly connected to a drain hose (505), and a cooling nozzle (506) is fixedly connected to one end of the drain hose (505).

3. The negative pressure dehydration system for a glass substrate grinding wheel according to claim 2, characterized in that: The grinding table assembly (100) includes a platform (101), with support legs (102) fixedly connected at equal intervals on the bottom surface of the platform (101), drainage holes (103) provided at equal intervals on the top surface of the platform (101), a water flow chamber (104) provided inside the platform (101), the drainage holes (103) communicating with the water flow chamber (104), and a drain pipe (105) fixedly connected to the bottom surface of the platform (101), the drain pipe (105) communicating with the water flow chamber (104).

4. The negative pressure dehydration system for a glass substrate grinding wheel according to claim 3, characterized in that: The grinding table assembly (100) further includes a first rack (106) and a stepped groove (107). The two ends of the top surface of the platform (101) are respectively provided with stepped grooves (107). A first track (108) is fixedly connected in the stepped groove (107). The two ends of the platform (101) and the lower part of the stepped groove (107) are fixedly connected with the first rack (106).

5. A negative pressure dehydration system for a glass substrate grinding wheel according to claim 4, characterized in that: The walking assembly (200) includes a gantry frame (201), with walking blocks (202) fixedly connected to both ends of the bottom surface of the gantry frame (201). A dovetail groove (203) is provided on one side of the walking block (202), and the walking block (202) slides on the surface of the first track (108) through the dovetail groove (203). Motor mounting plates (204) are fixedly connected to both sides of the gantry frame (201), and a walking reducer (205) is fixedly connected to one side of the motor mounting plate (204). A walking gear (206) is fixedly connected to the output end of the walking reducer (205), and the walking gear (206) meshes with the first rack (106).

6. A negative pressure dehydration system for a glass substrate grinding wheel according to claim 5, characterized in that: The walking assembly (200) also includes a second track (207) and a second rack (208). The bottom surface of the gantry frame (201) is fixedly connected to the second track (207), and the top surface of the gantry frame (201) is fixedly connected to the second rack (208).

7. A negative pressure dehydration system for a glass substrate grinding wheel according to claim 6, characterized in that: The grinding assembly (300) includes a lateral movement component, on one side of which the grinding component is mounted, and on one side of which, in front of the grinding component, a pipe fixing component is mounted.

8. A negative pressure dehydration system for a glass substrate grinding wheel according to claim 7, characterized in that: The lateral movement component includes a walking frame (301), a walking track (302) is fixedly connected to the top surface of the walking frame (301), the walking track (302) slides on the surface of the second track (207), a vertical plate (303) is fixedly connected to the top surface of the walking frame (301), a lateral movement reducer (304) is fixedly connected to one side of the vertical plate (303), a lateral movement gear (305) is fixedly connected to the output end of the lateral movement reducer (304), and the lateral movement gear (305) meshes with the second rack (208).

9. A negative pressure dehydration system for a glass substrate grinding wheel according to claim 8, characterized in that: The grinding components include a grinding reducer (306), a C-frame (307), and a grinding cover (308). The grinding reducer (306) is fixedly connected to one side of the walking frame (301). A drive shaft (309) is fixedly connected to the output end of the grinding reducer (306). A grinding wheel (310) is fixedly connected to the surface of the drive shaft (309). The C-frame (307) is fixedly connected to the other side of the walking frame (301). A grinding cover (308) is installed in the middle of the C-frame (307). A protrusion (311) is symmetrically fixedly connected to the surface of the grinding cover (308). The protrusion (311) is fixedly connected to the C-frame (307) by bolts.

10. A negative pressure dehydration system for a glass substrate grinding wheel according to claim 9, characterized in that: The pipe fixing components include an L-shaped rod (312) and a U-shaped rod (313). The L-shaped rod (312) is symmetrically fixedly connected to the other side of the walking frame (301). A slot (314) is provided at one end of the top surface of the L-shaped rod (312). A connecting bolt (315) is threadedly connected to one side of the L-shaped rod (312). A locking block (316) is fixedly connected to both ends of the U-shaped rod (313). A fixing hole (317) is provided on one side of the locking block (316).

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