Operation window sealing structure for false tooth carving machine and false tooth carving machine

Abstract

The invention discloses an operation window sealing structure for a false tooth carving machine and the false tooth carving machine, the operation window sealing structure comprises a window baffle and a first sealing frame, the first sealing frame is rectangular and is arranged on the outer side of an operation window, and the window baffle is connected to a false tooth carving machine body in a lateral rotation mode and can cover the first sealing frame; the side face opening and closing mode is more flexible in space utilization, the first sealing frame designed in a protruding mode increases the contact area of the sealing structure, the window baffle can be more tightly attached to the first sealing frame when the window baffle covers the first sealing frame, and therefore the sealing performance is remarkably improved, leakage of dust, chippings, cooling liquid and lubricating agents is effectively prevented, and the service life of the window is prolonged. Meanwhile, the first sealing frame arranged in a protruding mode can play a guiding role, it is ensured that the window baffle always moves along a preset track in the opening and closing process, and the problem of sealing failure caused by deviation or dislocation is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of denture processing, and in particular to an operating window sealing structure for a denture engraving machine and the denture engraving machine. Background Art

[0002] Denture engraving machine is a high-precision CNC equipment used to make dentures. It can transform digital denture models into physical objects. It uses high-speed rotating milling cutters or drill bits to accurately cut zirconium oxide, ceramics, resins, metal alloys and other materials to produce personalized dentures that match the patient's oral structure. Denture engraving machines are characterized by high efficiency, precision and consistency, which significantly improves the efficiency and quality of denture production and is widely used in dental clinics and denture processing centers.

[0003] The sealing structure of the operating window of the denture engraving machine needs to be designed according to the characteristics of its miniaturized processing chamber. Compared with traditional industrial equipment, the volume of the processing chamber of the denture equipment is significantly reduced (usually less than 1m 3 ), resulting in a very close distance between the spindle system, water spray cooling module and the protective door (usually ≤10cm). This compact layout poses multiple challenges to preventing water leakage at the door: First, the micro-processing chamber cannot accommodate industrial-grade sealing rings or labyrinth sealing structures. The installation thickness of conventional rubber seals at the door frame must be controlled within 3mm, and thin sealing strips are prone to leakage due to material deformation. At the same time, the distance between the water spray block and the door is too close, and the coolant injection pressure (0.2-0.5MPa) is prone to high-pressure penetration at the door gap; secondly, the high frequency of opening and closing of the door body every day (>50 times) causes the wear rate of the sealing material to increase by 3-5 times compared with industrial equipment, and the cyclone generated by the spindle speed >20,000rpm will cause atomized droplets to escape from the 0.1mm gap.

[0004] The utility model patent with application publication number CN210588382U discloses a structure for isolating the control area and processing area of ​​a denture engraving machine, such as Figure 1 As shown, it includes: an armor telescopic shield 1, the armor telescopic shield 1 has a right-angled cross-section, and its two ends are respectively fixedly connected to the left and right side walls of the shell 2, a mounting groove 4 for a processing spindle 3 is provided in the middle, and the edge of the mounting groove 4 is fixedly connected to a processing spindle mounting seat 5; an upper sealing plate 6, the left and right ends of the upper sealing plate 6 are respectively fixedly connected to the left and right side walls of the shell 2, the front end of the upper sealing plate 6 is fixedly connected to the front side wall of the shell 2, and the rear end of the upper sealing plate 6 is movably connected to the front end of the armor telescopic shield 1; a lower sealing plate 7, the left and right ends of the lower sealing plate 7 are respectively fixedly connected to the left and right side walls of the shell 2, the bottom of the lower sealing plate 7 is fixedly connected to the bottom of the shell 2, and the top of the lower sealing plate 7 is movably connected to the bottom of the armor telescopic shield 1.

[0005] The structure disclosed in the above-mentioned utility model aims to utilize the armor telescopic shield in conjunction with the upper sealing plate and the lower sealing plate to separate the shell into a control area and a processing area, and to isolate waste chips and water vapor separately in the processing area, so as to facilitate waste chip collection and improve the processing environment, and to allow water vapor to be directly discharged out of the equipment through the exhaust fan and the conveying pipeline, thereby protecting the electrical components and avoiding safety hazards such as electrical connection; however, it does not achieve a better effect on the sealing of the operating window.

[0006] This shows that the prior art still needs to be improved and perfected. Summary of the invention

[0007] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide an operating window sealing structure for a denture engraving machine and a denture engraving machine, aiming to solve the problem that the existing denture engraving machine has poor sealing effect on the operating window of the working chamber.

[0008] The technical solution of the present invention is as follows:

[0009] A sealing structure for an operating window of a denture engraving machine comprises: a window baffle and a first sealing frame, wherein the first sealing frame is rectangular and is arranged outside the operating window of the denture engraving machine; the window baffle can be connected to the body of the denture engraving machine in a side-rotatable manner and can cover the first sealing frame.

[0010] The effect of the above scheme is that the side opening and closing method is more flexible in space utilization, especially suitable for environments with limited operating space, avoiding the interference problem caused by insufficient space between the upper and lower opening and closing covers; and it allows operators to open and close the window baffle more easily with one hand, and have enough space to complete operations such as tray replacement without being blocked by the upper and lower opening and closing baffles; in addition, the side opening and closing structure is more stable during the operation of the equipment, reducing the risk of accidental opening due to the weight or vibration of the cover. The first sealing frame with a protruding design increases the contact area of ​​the sealing structure, so that the window baffle can form a tighter fit with the first sealing frame when covering, thereby significantly improving the sealing performance and effectively preventing the leakage of dust, debris, coolant and lubricant; at the same time, the protruding first sealing frame can play a guiding role, ensuring that the window baffle always moves along the predetermined trajectory during the opening and closing process, avoiding the problem of sealing failure caused by offset or misalignment. In addition, when closed, the window baffle can completely cover the first sealing frame to form a multiple sealing barrier, effectively isolating external pollutants from entering the processing chamber, while preventing internal cutting waste and liquid from overflowing, ensuring the cleanliness of the processing environment and the stability of equipment operation.

[0011] In a further preferred embodiment, the operating window sealing structure further comprises a second sealing frame, which is arranged on the side of the window baffle facing the operating window, and in a closed state, the outer edge of the second sealing frame is in contact with the inner edge of the first sealing frame.

[0012] The effect of the above scheme is that: with the cooperation of the first sealing frame and the window baffle, the equipment can effectively isolate external pollutants, but in high-demand application scenarios, a single sealing structure cannot completely prevent the penetration of tiny particles or liquids. By setting a second sealing frame on the side of the window baffle facing the operating window, a tighter sealing barrier is formed, so that the outer edge of the second sealing frame can fit with the inner edge of the first sealing frame, further reducing the sealing gap, ensuring that the sealing effect between the two is more stable and reliable, and effectively preventing further leakage of dust, debris and liquid, especially coolant or lubricant generated during the processing process, avoiding leakage to pollute the external environment of the equipment. In addition, the setting of the second sealing frame also provides a better guide for the opening and closing of the window baffle, ensuring that the sealing effect is not affected by offset or misalignment, thereby improving the overall protection capability of the equipment.

[0013] In a further preferred embodiment, a water receiving groove is provided under the second sealing frame, and a water absorbing member for preventing liquid from splashing is provided in the water receiving groove.

[0014] The effect of the above scheme is that when the operating window baffle is opened, some liquid will remain on the second sealing frame. If there is no water receiving trough, these liquids will directly drip onto the ground, causing a dirty environment and may even affect the equipment or operators. The water receiving trough can effectively collect these residual liquids and prevent them from directly contacting the ground. In addition, the water absorbent provided in the water receiving trough can quickly absorb the liquid in the water receiving trough, preventing the liquid from splashing out due to inertia or external force, and preventing the liquid from splashing onto the operating site or the ground, thereby protecting the clean environment. At the same time, the presence of the water absorbent can also improve the liquid processing efficiency, ensuring that when the window baffle is opened, the liquid can be processed in time without spreading, reducing the risk of contamination in the operating area.

[0015] In a further preferred embodiment, a reflux slope is provided at the lower end of the first sealing frame, and the reflux slope is inclined toward the processing chamber to facilitate liquid reflux during wet processing.

[0016] The effect of the above scheme is that during the wet processing, the coolant flows down through the spindle and splashes around during the processing, and will splash onto the operating window. If there is no appropriate liquid guiding design, the splashing coolant will pollute the operating site and affect the working environment of the operator. The present invention sets a reflux slope at the lower end of the first sealing frame, so that the coolant can be effectively guided to flow back toward the processing chamber instead of staying at the window or leaking to the external environment. It not only prevents the coolant from polluting the outside of the equipment and the operating area, but also ensures that the coolant flows more smoothly during the processing, avoiding liquid overflow caused by the accumulation of coolant in the sealing frame.

[0017] In a further preferred embodiment, a sealing strip is disposed on the outer end surface of the first sealing frame, a guide plate is disposed below the sealing strip, and the guide plate is inclined toward the processing chamber.

[0018] The effect of the above scheme is that the sealing strip is arranged on the outer end face of the first sealing frame, and can form a closer contact with the window sealing surface when the window baffle is closed, further enhancing the waterproof and dustproof performance, and preventing external pollutants or coolant from entering the interior of the equipment. At the same time, the sealing strip can adapt to the slight displacement caused by temperature changes or equipment vibrations during operation, maintain a good sealing state, and prevent the coolant from leaking through tiny gaps; the setting of the guide plate plays a role in optimizing the flow path of the coolant. During the wet processing process, the coolant will flow out of the spindle and splash into the operating window area. The design of the guide plate tilted toward the processing cavity can effectively guide the coolant to flow along the guide plate to the processing cavity, avoid the liquid splashing everywhere, and reduce the pollution to the operating environment. By guiding the liquid to flow to the processing cavity, the guide plate can not only keep the operating window area clean, but also ensure that the liquid plays a better cooling and cleaning role during the processing process, thereby improving the processing accuracy and efficiency.

[0019] In a further preferred embodiment, the denture engraving machine is provided with a guide hole, and the guide hole is arranged obliquely to allow the liquid on the guide plate to flow back.

[0020] The effect of the above scheme is that the guide hole forms a tight and efficient liquid reflux channel by cooperating with the guide plate, effectively guiding the coolant to flow back from the operating window area. Compared with the strip guide groove and other schemes, the design of the guide hole not only takes up less space, but also can effectively reduce the possibility of liquid accumulation. Through the inclined setting, the guide hole can accurately guide the coolant to flow back to the processing cavity, avoiding the liquid from being retained or accumulated on the outer wall. Its advantages are: (1) It is more compact and space-saving, suitable for denture engraving machines with limited space; (2) By closing the reflux path, the risk of liquid leakage is reduced, and the sealing and protection capabilities of the equipment are enhanced; (3) The inclined setting ensures that the liquid can flow back quickly, avoids liquid retention, improves reflux efficiency, and reduces the risk of contamination.

[0021] In a further preferred embodiment, the processing chamber is provided with a drainage hole, and the drainage hole discharges the waste liquid to a water receiving bucket below through a drainage pipe, and a water receiving plate is provided above the water receiving bucket.

[0022] The effect of the above scheme is that during wet processing, coolant and cutting waste will be discharged to the water receiving pipe through the drain hole, but accidental leakage of waste liquid will still occur during processing or drainage. Without effective collection measures, the leaked waste liquid will directly contaminate the key components of the equipment, affecting the normal operation and service life of the equipment. By setting up a water receiving plate, the leaked waste liquid can be quickly collected, thereby preventing the waste liquid from directly contacting the external or internal components of the equipment, reducing the risk of equipment failure caused by contamination. The above setting effectively prevents the diffusion and retention of waste liquid, ensuring the cleanliness and long-term stability of the equipment.

[0023] In a further preferred embodiment, the guide hole is opened in the guide pipe, and the water outlet of the guide pipe is arranged above the water receiving plate.

[0024] The effect of the above scheme is that by opening a guide hole on the guide pipe and setting the outlet of the guide pipe above the water receiving plate, the flow path of the waste liquid is further optimized. The guide hole can accurately control the flow direction of the liquid to ensure that the waste liquid flows smoothly to the water receiving plate without any retention or overflow problems, so as to improve the efficiency of waste liquid return and avoid the waste liquid from staying in the drainage system for a long time. Due to the cooperation between the guide pipe and the water receiving plate, the waste liquid can be quickly guided to the collection area, avoiding the risk of pollution caused by too slow flow rate or liquid accumulation.

[0025] In a further preferred embodiment, a panel is attached to the outer wall of the operation window of the denture engraving machine, and the guide tube is integrally formed with the panel.

[0026] The effect of the above solution is that by integrating the guide tube and the panel into one, the structural design is simplified and the potential sealing failure problem of multi-component connection is avoided. This integrated design can improve the bonding between the panel and the guide tube, reduce the possible leakage points at the joints and joints, thereby improving the overall sealing and ensuring that the waste liquid will not leak out from any gaps. In addition, the integrated design of the guide tube and the panel also reduces the complexity of the assembly process and improves production efficiency and reliability. Therefore, the integrated design of the panel and the guide tube not only enhances the overall stability of the equipment, but also ensures the precise guidance of the liquid flow, avoiding the problem of waste liquid being retained around the outer wall of the operating window or flowing in reverse.

[0027] A denture engraving machine, the denture engraving machine comprising the above-mentioned operating window sealing structure for the denture engraving machine. Since the denture engraving machine comprises all the technical features of the above-mentioned operating window sealing structure for the denture engraving machine, it also has all the technical effects of the above-mentioned operating window sealing structure for the denture engraving machine, which will not be described in detail.

[0028] Compared with the prior art, the operating window sealing structure for the denture engraving machine provided by the present invention comprises a window baffle and a first sealing frame, wherein the first sealing frame is rectangular and is arranged outside the operating window, and the window baffle can be connected to the denture engraving machine body in a side-rotatable manner and can cover the first sealing frame; the side opening and closing method is more flexible in space utilization, and is particularly suitable for environments with limited operating space, avoiding the interference problem caused by insufficient space for the upper and lower opening and closing covers, and at the same time allowing the operator to more easily open and close the window baffle with one hand, and have enough space to complete operations such as material tray replacement without being blocked by the upper and lower opening and closing The baffle blocks the operating space; in addition, the side opening and closing structure is more stable during the operation of the equipment, reducing the risk of accidental opening due to the weight or vibration of the cover; and the protruding first sealing frame increases the contact area of ​​the sealing structure, so that the window baffle can form a tighter fit with the first sealing frame when closed, thereby significantly improving the sealing performance and effectively preventing the leakage of dust, debris, coolant and lubricant. At the same time, the protruding first sealing frame can play a guiding role, ensuring that the window baffle always moves along the predetermined trajectory during the opening and closing process, avoiding sealing failure problems caused by offset or misalignment. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the isolation structure between the control area and the processing area of ​​the CN210588382U denture engraving machine.

[0030] Figure 2 It is a structural schematic diagram of an operating window sealing structure for a denture engraving machine provided by the present invention.

[0031] Figure 3 This is the first cross-sectional view of the operating window sealing structure for the denture engraving machine provided by the present invention.

[0032] Figure 4 It is a second cross-sectional view of the operating window sealing structure for the denture engraving machine provided by the present invention.

[0033] Figure 5 It is a schematic diagram of the position of the reflux slope used in the operating window sealing structure of the denture engraving machine in the preferred embodiment of the present invention.

[0034] Figure 6 It is a structural schematic diagram of a panel used for an operating window sealing structure of a denture engraving machine in a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0035] The present invention provides an operating window sealing structure for a denture engraving machine and a denture engraving machine. In order to make the purpose, technical solution and effect of the present invention clearer and more specific, the present invention is further described in detail with reference to the accompanying drawings and examples.

[0036] The present invention provides an operating window sealing structure for a denture engraving machine, such as Figure 2 As shown, it includes: a window baffle 200 and a first sealing frame 100, the window baffle 200 is connected to the denture engraving machine body by a side-rotating connection, for example, it is fixed to one side of the operating window by a hinge structure, so that the window baffle 200 can be rotated and opened and closed in the horizontal direction; the first sealing frame 100 is rectangular, made of wear-resistant and corrosion-resistant rubber or silicone material, and is fixed to the outer edge of the operating window by bolts or bonding; the protruding design of the first sealing frame 100 enables it to fit tightly with the window baffle 200 when covered, forming a multiple sealing barrier.

[0037] The side-rotating design of the window baffle 200 is more flexible in space utilization, especially suitable for environments with limited operating space, avoiding interference problems caused by insufficient space for the upper and lower opening and closing covers. Operators can easily open and close the window baffle 200 with one hand, and have enough space to complete operations such as tray replacement during the opening and closing process without the upper and lower opening and closing baffles blocking the operating space. In addition, the side opening and closing structure is more stable during the operation of the equipment, reducing the risk of accidental opening due to the weight or vibration of the cover, further improving the safety and ease of operation of the equipment.

[0038] The protruding design of the first sealing frame 100 increases the contact area of ​​the sealing structure, so that the window baffle 200 can form a tighter fit with the first sealing frame 100 when closed, thereby significantly improving the sealing performance, not only effectively preventing the leakage of dust, debris, coolant and lubricant, but also ensuring that the window baffle 200 always moves along the predetermined track during the opening and closing process through the guiding effect, avoiding the problem of sealing failure caused by offset or misalignment. At the same time, the window baffle 200 completely covers the first sealing frame 100 when closed, forming a multiple sealing barrier, effectively isolating external pollutants from entering the processing chamber, and preventing internal cutting waste and liquid from overflowing, ensuring the cleanliness of the processing environment and the stability of equipment operation.

[0039] In a further preferred embodiment of the present invention, the operating window sealing structure further comprises a second sealing frame 300, which is arranged on the side of the window baffle 200 facing the operating window, and is made of the same wear-resistant and corrosion-resistant material (such as rubber or silicone) as the first sealing frame 100, and is fixed to the inner edge of the window baffle 200 by bonding or embedded installation. When the window baffle 200 is covered, the outer edge of the second sealing frame 300 is closely fitted with the inner edge of the first sealing frame 100, forming a double sealing structure. When the window baffle 200 is covered, the outer edge of the second sealing frame 300 is in close contact with the inner edge of the first sealing frame 100, and the double sealing structure not only increases the sealing contact area, but also effectively prevents the leakage of dust, debris, coolant and lubricant through two layers of sealing barriers. In addition, the setting of the second sealing frame 300 also plays a compensatory role. Even if the first sealing frame 100 is slightly worn or deformed due to long-term use, the second sealing frame 300 can still ensure the sealing effect, thereby extending the service life of the sealing structure. During the opening and closing of the window baffle 200, the flexible material of the second sealing frame 300 can adapt to the shape change of the first sealing frame 100, ensuring that the two are always tightly fitted, avoiding the sealing failure caused by processing errors or installation deviations. At the same time, the double sealing structure can still maintain stable sealing performance under high-speed operation or vibration environment of the equipment, further improving the overall operating efficiency and safety of the equipment.

[0040] Furthermore, a water receiving trough 400 is provided below the second sealing frame 300, and a water absorbing member for preventing liquid from splashing is installed in the water receiving trough 400. The water receiving trough 400 is made of corrosion-resistant material (such as stainless steel or engineering plastic), and its shape matches the second sealing frame 300, and is fixed to the inner bottom of the window baffle 200 by bolts or buckles. The water absorbing member is made of highly absorbent material (such as sponge or fiber fabric), filled inside the water receiving trough 400, and can quickly absorb and store liquid. During the operation of the equipment, coolant or lubricant may splash due to high-speed cutting or vibration. The water receiving trough 400 can effectively collect these liquids to prevent them from overflowing and polluting the working environment. The water absorbing member quickly absorbs the liquid through its high water absorption, avoiding the accumulation or splashing of the liquid in the water receiving trough 400, thereby ensuring the cleanliness of the inside of the processing chamber and the stable operation of the equipment. In addition, the replaceable design of the water absorbing member facilitates maintenance. When the water absorbing member is saturated, the operator can easily replace it to ensure the continuous liquid absorption capacity of the water receiving trough 400. During the opening and closing process of the window baffle 200, the water receiving groove 400 can effectively prevent liquid from splashing, preventing it from splashing onto the operator or the outside of the equipment, thereby reducing the risk of accidents. At the same time, this design reduces the erosion of the sealing structure by the liquid, thereby extending the service life of the first sealing frame 100 and the second sealing frame 300.

[0041] According to another aspect of the present invention, a backflow slope 120 is provided at the lower end of the first sealing frame 100. Figure 5 As shown, the reflux slope 120 is inclined toward the processing chamber so that the liquid can flow back smoothly during wet processing. The reflux slope 120 is made of the same corrosion-resistant material (such as rubber or silicone) as the first sealing frame 100, and is fixed to the lower end of the first sealing frame 100 by integral molding or splicing. Its inclination angle is optimized to ensure that the liquid can flow back to the inside of the processing chamber quickly and smoothly. During wet processing, coolant or lubricant may splash or accumulate near the sealing structure due to cutting operations. The reflux slope 120 guides these liquids back to the processing chamber through its inclined design, avoiding the accumulation or overflow of liquid around the sealing structure. This not only reduces the erosion of the sealing structure by the liquid, but also prevents the liquid from contaminating the working environment, ensuring the cleanliness of the processing process and the stability of the equipment operation. In addition, the reflux slope 120 also reduces the residual liquid around the sealing structure by guiding the liquid back to the processing chamber, reducing the difficulty of cleaning and maintenance. At the same time, the inclination angle design of the reflux slope 120 can also adapt to liquids of different viscosities, ensuring efficient liquid reflux under various wet processing conditions.

[0042] Preferably, the outer end surface of the first sealing frame 100 is provided with a sealing strip 900, and a guide plate 500 is installed below the sealing strip 900. The sealing strip 900 is made of highly elastic and corrosion-resistant rubber or silicone material, and is fixed to the outer end surface of the first sealing frame 100 by embedding or bonding, ensuring that it can form a tight sealing contact with the window baffle 200 when the cover is closed. The guide plate 500 is made of corrosion-resistant material (such as stainless steel or engineering plastics), and is fixed to the bottom of the first sealing frame 100 by bolts or buckles. It is designed to be inclined toward the processing cavity so that the liquid can flow back smoothly. When the window baffle 200 is covered, a tight contact surface is formed between the sealing strip 900 and the window baffle 200, effectively preventing the overflow of dust, debris, coolant and lubricant. At the same time, the highly elastic material of the sealing strip 900 can adapt to the slight deformation or vibration of the window baffle 200, ensuring that a good sealing effect is always maintained during the operation of the equipment. The inclined design of the guide plate 500 optimizes the return path of the liquid. During wet processing, splashed or accumulated liquid can quickly flow back to the processing chamber through the guide plate 500, avoiding accumulation or overflow of liquid around the sealing structure.

[0043] Further, the denture engraving machine is provided with a guide hole 600 (such as Figure 2 and Figure 4As shown in the figure, the guide hole 600 is tilted and cooperates with the guide plate 500 to allow the liquid on the guide plate 500 to flow back smoothly into the processing chamber. The guide hole 600 is made of corrosion-resistant material, and its tilt angle is optimized to ensure that the liquid can flow quickly and smoothly. The position of the guide hole 600 matches the tilt direction of the guide plate 500 to form a continuous liquid return path. During the wet processing, the liquid on the guide plate 500 quickly flows back to the processing chamber through the guide hole 600, avoiding the accumulation or overflow of the liquid around the sealing structure. This not only reduces the erosion of the sealing structure by the liquid, but also prevents the liquid from contaminating the working environment, ensuring the cleanliness of the processing process and the stability of the equipment operation. At the same time, the tilted design of the guide hole 600 can adapt to liquids of different viscosities, ensuring efficient liquid return under various wet processing conditions. The structure of the guide hole 600 is simple and easy to maintain, and the tilted design reduces liquid residue and reduces the difficulty of cleaning and maintenance.

[0044] Furthermore, a drainage hole 110 is provided at the bottom of the processing chamber. Figure 3 As shown, the drain hole 110 discharges the waste liquid to the water receiving bucket 700 below through the drain pipe. The drain hole 110 is made of corrosion-resistant material, and its diameter is optimized to ensure that the waste liquid can be discharged quickly without clogging. The drain pipe is a flexible or rigid pipe that connects the drain hole 110 and the water receiving bucket 700 (such as Figures 2 to 4 A water receiving plate 800 (as shown) is arranged above the water receiving bucket 700. Figures 2 to 4 As shown in the figure, the water receiving plate 800 is made of corrosion-resistant material and is fixed above the water receiving bucket 700 by a bracket to receive the liquid that may drip and prevent it from directly entering the outside of the water receiving bucket 700. During the wet processing, the waste liquid generated in the processing chamber is quickly discharged through the drainage hole 110, which avoids the accumulation of liquid in the processing chamber, thereby reducing the erosion of the internal structure of the equipment by the liquid and ensuring the cleanliness of the processing environment. The setting of the water receiving plate 800 plays a secondary protective role, which can receive the liquid that may drip and prevent it from splashing to the outside of the water receiving bucket 700 or the ground, further improving the operational safety of the equipment.

[0045] In a specific implementation, the flow guide hole 600 is opened in the flow guide pipe 10a (such as Figure 6As shown in the figure, the water outlet of the guide pipe 10a is arranged above the water receiving plate 800. The guide pipe 10a is made of corrosion-resistant material, and its internal channel is optimized to ensure that the liquid can flow smoothly without being blocked. The water outlet position of the guide pipe 10a is aligned with the water receiving plate 800, so that the liquid flowing out of the guide hole 600 can drip directly onto the water receiving plate 800, avoiding liquid splashing or polluting the surrounding environment. During the wet processing process, the liquid enters the guide pipe 10a through the guide hole 600, and is accurately discharged to the top of the water receiving plate 800 through the water outlet of the guide pipe 10a, which not only ensures the centralized collection of the liquid, but also prevents the liquid from splashing or overflowing during the discharge process, thereby keeping the working environment clean. The water receiving plate 800 plays the role of receiving and guiding the liquid, further guiding the liquid to the water receiving bucket 700, avoiding the liquid from dripping directly onto the ground or outside the equipment. In addition, the guide pipe 10a has a simple structure and is easy to maintain, and the location design of its water outlet makes it easy for operators to observe the liquid discharge and clean up possible blockages or residues in time.

[0046] Preferably, the denture engraving machine has a panel 10 (such as Figure 6 As shown), the guide tube 10a is integrally formed with the panel 10. The panel 10 is made of corrosion-resistant, high-strength materials (such as engineering plastics or stainless steel), and is fixed to the outer wall of the operating window by bolts or bonding to ensure that it fits tightly with the equipment body. The guide tube 10a is integrally formed with the panel 10, so that the two are seamlessly connected, which not only enhances the integrity of the structure, but also avoids the risk of liquid leakage at the connection. The one-piece molding not only simplifies the installation steps, but also reduces the gap at the connection to prevent liquid leakage during the flow process. The fitting design of the panel 10 further optimizes the appearance and sealing performance of the operating window, while providing a stable support for the guide tube 10a to ensure that it maintains a stable position and function during the operation of the equipment. In addition, the one-piece design also enhances the durability and convenience of maintenance of the equipment. Since there is no joint between the guide tube 10a and the panel 10, the possibility of liquid residue and corrosion is reduced, and the service life of the equipment is extended. At the same time, the modular design of the panel 10 is easy to disassemble and replace, and the operator can easily maintain the guide tube 10a and the panel 10 to ensure the long-term stable operation of the liquid discharge system.

[0047] The present invention also provides a denture engraving machine, which includes the operating window sealing structure for the denture engraving machine as described above. Since the denture engraving machine includes all the technical features of the operating window sealing structure for the denture engraving machine, it also has all the technical effects of the operating window sealing structure for the denture engraving machine, which will not be described in detail.

[0048] In addition, those skilled in the art will understand that although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and to form different embodiments; for example, any one of the claimed embodiments may be used in any combination.

[0049] It should be noted that the above embodiments illustrate the present invention rather than limit it, and that those skilled in the art may devise alternative embodiments without departing from the scope of the appended claims. In the claims, any reference symbol between brackets shall not be construed as a limitation on the claims. The word "comprising" does not exclude the presence of elements or steps not listed in the claims. The word "one" or "an" preceding an element does not exclude the presence of a plurality of such elements. The present invention may be implemented by means of hardware comprising a number of different elements and by means of a suitably programmed computer. In a unit claim enumerating a number of devices, several of these devices may be embodied by the same hardware item. The use of the words first, second, and third, etc. does not indicate any order. These words may be interpreted as names. The steps in the above embodiments, unless otherwise specified, should not be understood as limitations on the order of execution.

Claims

1. An operating window sealing structure for a denture engraving machine, characterized in that: include: A window baffle and a first sealing frame, wherein the first sealing frame is rectangular and is arranged outside the operating window of the denture engraving machine; the window baffle can be connected to the denture engraving machine body in a side-rotatable manner and can cover the first sealing frame.

2. The operating window sealing structure for a denture engraving machine according to claim 1, characterized in that: The operating window sealing structure further comprises a second sealing frame, which is arranged on the side of the window baffle facing the operating window, and in a closed state, the outer edge of the second sealing frame is in contact with the inner edge of the first sealing frame.

3. The operating window sealing structure for a denture engraving machine according to claim 2, characterized in that: A water receiving groove is arranged under the second sealing frame, and a water absorbing member for preventing liquid from splashing is arranged in the water receiving groove.

4. The operating window sealing structure for a denture engraving machine according to claim 1, characterized in that: The lower end of the first sealing frame is provided with a reflux slope, which is inclined toward the processing chamber to facilitate liquid reflux during wet processing.

5. The operating window sealing structure for a denture engraving machine according to claim 1, characterized in that: A sealing strip is disposed on the outer end surface of the first sealing frame, a guide plate is disposed below the sealing strip, and the guide plate is inclined toward the processing chamber.

6. The operating window sealing structure for a denture engraving machine according to claim 5, characterized in that: The denture engraving machine is provided with a guide hole, and the guide hole is arranged obliquely to allow the liquid on the guide plate to flow back.

7. The operating window sealing structure for a denture engraving machine according to claim 6, characterized in that: The processing chamber is provided with a drainage hole, and the drainage hole discharges the waste liquid to the water receiving bucket below through a drainage pipe. A water receiving plate is provided above the water receiving bucket.

8. The operating window sealing structure for a denture engraving machine according to claim 7, characterized in that: The guide hole is opened in the guide pipe, and the water outlet of the guide pipe is arranged above the water receiving plate.

9. The operating window sealing structure for a denture engraving machine according to claim 8, characterized in that: The denture engraving machine has a panel attached to the outer wall of the operation window, and the guide tube is integrally formed with the panel.

10. A denture engraving machine, characterized in that: The denture engraving machine comprises an operation window sealing structure for a denture engraving machine as described in any one of claims 1 to 9.

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