Grinding and polishing device and process for false tooth processing

Abstract

The invention relates to the technical field of grinding and polishing equipment, and particularly discloses a grinding and polishing device and process for false tooth machining. The grinding and polishing device comprises a base plate, a working box, a clamping part, a mechanical arm and a polishing belt; the working box is installed on the top face of the base plate, four fixed rotating shafts are rotationally connected to the inner wall of the working box, two of the four fixed rotating shafts are located on one side of the working box and arranged up and down, and the other two fixed rotating shafts are located on the other side of the working box and arranged up and down. A driving mechanism for driving the polishing belt to move on the fixed rotating shaft is mounted in the working box; the mechanical arm is mounted on the top surface of the base plate, the clamping part is mounted at the output end of the mechanical arm, and the end part of the clamping part is used for clamping false teeth; the side face, close to the mechanical arm, of the working box is provided with an opening for the clamping part to stretch in, and the end of the clamping part is located below the polishing belt and located between the two fixed rotating shafts. The artificial tooth polishing device has the effect of improving the grinding and polishing efficiency of artificial teeth.

Description

Technical Field

[0001] The invention relates to the technical field of grinding and polishing equipment, and in particular to a grinding and polishing device and process for denture processing. Background Art

[0002] There are two main ways of denture processing; the first is: oral scanning data, 3D printing resin model, scanning, CAD design, digital cutting, grinding, porcelain coating, porcelain turning, glazing, polishing, finished product inspection and packaging; the second is: oral scanning data, 3D printing resin model, scanning, CAD design, 3D printing wax model, embedding, die-casting, grinding, porcelain coating, porcelain turning, glazing, polishing, finished product inspection and packaging.

[0003] At present, during the grinding and polishing stage, due to the irregular shape and small size of dentures, most dentures are polished and polished manually, with one hand holding the denture and the other holding a polishing tool to polish the denture. This grinding and polishing method has high labor intensity and low efficiency for the workers. Summary of the invention

[0004] In order to improve the grinding and polishing efficiency of dentures, the present application provides a grinding and polishing device and process for denture processing.

[0005] The present application provides a grinding and polishing device and process for denture processing, which adopts the following technical solutions: In the first aspect, a grinding and polishing device for denture processing includes a base plate, a work box, a clamping part, a mechanical arm and a polishing belt; the work box is installed on the top surface of the base plate, and the inner wall of the work box is rotatably connected to four fixed shafts, two of which are located on one side of the work box and are arranged up and down, and the other two fixed shafts are located on the other side of the work box and are arranged up and down, and the polishing belt is wound around the four fixed shafts, and a driving mechanism for driving the polishing belt to move on the fixed shafts is installed in the work box; the mechanical arm is installed on the top surface of the base plate, the clamping part is installed at the output end of the mechanical arm, and the end of the clamping part is used to clamp the denture; the side of the work box close to the mechanical arm is provided with an opening for the clamping part to extend into, and the end of the clamping part is located below the polishing belt and between the two fixed shafts.

[0006] Optionally, the driving mechanism includes a driving motor, a rotating shaft, a synchronous belt and a synchronous wheel. Both ends of the rotating shaft are rotatably connected to the inner wall of the working box, the rotating shaft is located above the polishing belt, the synchronous wheel is coaxially connected to the circumferential surface of the rotating shaft, the driving motor is installed on the outer side of the working box, and the output shaft of the driving motor is coaxially connected to the end of the rotating shaft; the two ends of the synchronous belt are respectively connected to the two ends of the polishing belt, and the synchronous belt is wound around the synchronous wheel.

[0007] Optionally, a movable plate is provided in the working box, and four connecting rods are connected to the four corners of the bottom surface of the movable plate, and the bottom ends of two connecting rods on the same side are rotatably connected to a movable shaft, and the two movable shafts are located on both sides of the rotating shaft, and the movable shaft is located above the synchronous belt, and the two movable shafts press down the synchronous belt; a movable opening for the movable plate to extend is provided on the top of the working box, and waist-shaped holes for the vertical movement of the movable shaft are provided on both sides of the working box; a support frame is installed on the top surface of the working box, and a lifting motor is installed on the side of the support frame, and the output shaft of the lifting motor is connected to a threaded rod, the bottom end of the threaded rod passes through the movable plate, and the lifting plate is threadedly connected to the threaded rod; a support plate is connected to the side of the support frame, and two guide rods are fixedly connected to the bottom surface of the support plate, and the bottom ends of the guide rods pass through the lifting plate and the movable plate; a spring is sleeved on the threaded rod, and a pressure sensor is installed on the top surface of the movable plate, the bottom end of the spring is pressed against the top surface of the pressure sensor, and the top end of the spring is pressed against the bottom surface of the lifting plate.

[0008] Optionally, an installation frame is provided in the working box, the installation frame is located above the polishing belt and below the movable rotating shaft, and a plurality of regularly arranged pressing pins are provided in the installation frame, and the bottom ends of the pressing pins contact the top surface of the polishing belt; a magnet is provided in the working box, and the magnet is located below the denture; a cylinder is installed on the outside of the working box, and the bottom end of the piston rod of the cylinder is connected to a connecting plate, one end of the connecting plate extends into the working box and the end is bent upward, and the magnet is installed on the end of the connecting plate through a plate.

[0009] Optionally, multiple baffles are connected to the inner wall of the installation frame, and the multiple baffles are evenly distributed along the movement direction of the polishing belt. Each row of pressing needles is located between two adjacent baffles. Movable grooves for the movement of the baffles are provided on both sides of the pressing needles, and the ends of the pressing needles are curved.

[0010] Optionally, the side plate on one side of the installation frame is a detachable fixing plate, the fixing plate is installed on one side of the installation frame, and the end of the baffle is inserted into the fixing plate.

[0011] Optionally, the clamping part includes a clamping tube, a movable rod, an elastic ring, a mounting tube and a driving assembly; the end of the clamping tube is used to insert into the conical groove of the denture, the end of the clamping tube is conical, and the clamping tube is evenly divided into four equal parts along the radial direction; the movable rod is arranged in the clamping tube, the end of the movable rod is also conical, and the circumferential surface of the conical end of the movable rod fits the inner wall of the end of the clamping tube; the elastic ring is sleeved on the circumferential surface of the clamping tube, and the elastic ring is tightened on the circumferential surface of the clamping tube; one end of the mounting tube is installed at the output end of the robotic arm, and the end of the clamping tube away from the denture is located inside the end of the mounting tube; four connecting blocks are connected to the outer circumference of the end of the clamping tube close to the mounting tube, the four connecting blocks are evenly distributed around the circumference of the clamping tube, the connecting blocks pass through the mounting tube, the ends of the connecting blocks are connected to the limiting plate, and the limiting plate fits the outer side of the mounting tube; the driving assembly is installed outside the mounting tube, and the driving assembly is used to drive the movable rod to slide in the clamping tube.

[0012] Optionally, the driving assembly includes a threaded ring and a sliding ring, and the circumferential surface of the end of the movable rod away from the clamping tube is connected to two groups of sliding rods, each group of sliding rods is provided with four sliding rods, and the four sliding rods are evenly distributed around the circumference of the movable rod, and the circumferential surface of the mounting tube is provided with sliding grooves for the sliding rods to slide; the sliding ring is sleeved on the outer circumferential surface of the mounting tube, and the end of the sliding rod passes through the sliding ring; the threaded ring is threadedly connected to the outer wall of the mounting tube, and the end of the sliding ring close to the robotic arm is located inside the end of the threaded ring, and the inner wall of the threaded ring close to one end of the sliding ring is provided with an annular groove for the ends of a group of sliding rods close to the threaded ring to slide.

[0013] Optionally, the robotic arm includes a rotor motor, a linear module, a lifting arm, a first-stage swing arm, a second-stage swing arm and a third-stage swing arm; the rotor motor is installed on the top surface of the substrate, the linear module is installed on the top surface of the rotor motor, and the linear module drives the lifting arm to lift and lower; the motor in the lifting arm is used to drive the first-stage swing arm to swing, the motor in the first-stage swing arm is used to drive the second-stage swing arm to swing, and the motor in the second-stage swing arm is used to drive the third-stage swing arm to swing; the end of the mounting tube is installed at the output end of the third-stage swing arm, and the motor in the end of the third-stage swing arm drives the mounting tube to rotate.

[0014] In a second aspect, a grinding and polishing process for denture processing comprises the following steps: S1. The robot arm controls the clamping part to move out of the working box and makes the end of the clamping part face the direction of the denture installation; S2. Install the denture on the end of the clamping portion and fix it; S3. The robot arm controls the clamping part to send the denture into the working box and place the denture under the polishing belt; S4. Control the cylinder to drive the magnet to rise, the magnet attracts the pressing needle, and the pressing needle presses down the polishing belt, so that the pressing needle is pressed tightly against the denture surface; S5. The robot arm controls the clamping part to adjust the angle so that the denture can be released to the polishing belt at different angles, and the polishing belt can grind the denture.

[0015] In summary, the present application includes at least one of the following beneficial technical effects: 1. When the denture needs to be polished, the mechanical arm controls the clamping part to move out of the working box, and the denture is installed at the end of the clamping part. The mechanical arm controls the clamping part to enter the working box so that the denture is located under the polishing belt. The driving mechanism drives the polishing belt to transmit on the fixed shaft. The mechanical arm controls the clamping part to drive the denture close to the polishing belt. The polishing belt polishes the denture. The mechanical arm controls the angle of the denture so that the polishing belt polishes multiple parts of the denture, thereby improving the polishing efficiency of the denture. 2. When the denture is polished on the surface of the polishing belt, it is necessary to control the force between the denture and the polishing belt. The spring is restricted by the lifting plate, and the spring presses down the movable plate. The movable plate drives the connecting rod to press down the movable shaft, and the movable shaft presses down the synchronous belt to tighten the synchronous belt, and then the polishing belt is tightened. The pressure of the spring on the movable plate is transmitted to the terminal through the pressure sensor, and the terminal controls the lifting motor. The lifting motor drives the lifting plate to rise and fall, changing the distance between the lifting plate and the movable plate, thereby changing the pressure of the spring on the movable plate, that is, changing the contact pressure between the denture and the polishing belt; 3. Since the denture is an irregular shape, the cylinder drives the magnet to rise, causing the magnet to generate suction on the pressing pin. Under the attraction of the magnet, the pressing pin will gradually press down the polishing belt. Since there are multiple pressing pins and they are small in size, some of them are restricted by the teeth, causing the polishing belt to fit the irregular area of ​​the denture. The polishing belt fits the denture fully and can grind and polish multiple irregular parts of the denture. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of a grinding and polishing device according to an embodiment of the present application; Figure 2 is a schematic structural diagram of a grinding and polishing device according to an embodiment of the present application from another perspective; Figure 3 It is a schematic diagram of the internal structure of the working box of the embodiment of the present application; Figure 4 is a schematic diagram of the structure of the clamping portion of an embodiment of the present application; Figure 5 is a schematic diagram of the exploded structure of the clamping portion of an embodiment of the present application; Figure 6 It is a structural schematic diagram of the installation frame of the embodiment of the present application; Figure 7 It is a schematic diagram of the internal structure of the installation frame of the embodiment of the present application; Figure 8 It is a schematic diagram of the internal structure of the installation frame from another perspective of the embodiment of the present application.

[0017] Description of reference numerals: 01. Denture; 1. Base plate; 2. Working box; 21. Fixed shaft; 22. Opening; 23. Movable shaft; 24. Movable opening; 25. Waist-shaped hole; 26. Support frame; 261. Lifting motor; 262. Threaded rod; 263. Lifting plate; 264. Support plate; 265. Guide rod; 266. Spring; 267. Pressure sensor; 3. Clamping part; 31. Clamping tube; 311. Connecting block; 312. Limiting plate; 32. Movable rod; 33. Elastic ring; 34. Mounting tube; 341. Sliding groove; 35. Driving assembly; 351. Screw groove ring; 3511, annular groove; 352, sliding ring; 353, sliding rod; 4, mechanical arm; 41, rotor motor; 42, linear module; 43, lifting arm; 44, primary swing arm; 45, secondary swing arm; 46, tertiary swing arm; 5, polishing belt; 6, driving mechanism; 61, driving motor; 62, rotating shaft; 63, synchronous belt; 64, synchronous wheel; 7, movable plate; 71, connecting rod; 8, mounting frame; 81, pressing needle; 811, movable groove; 82, magnet; 83, cylinder; 84, connecting plate; 85, baffle; 86, fixed plate. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-8 This application is described in further detail.

[0019] The embodiment of the present application discloses a grinding and polishing device and process for processing dentures. When the denture 01 is installed, a truncated cone groove that cooperates with the mounting base is opened at the bottom of the denture 01 (crown), and the mounting base is installed on the implant.

[0020] Reference Figure 1-8 The grinding and polishing device includes a substrate 1, a working box 2, a clamping part 3, a mechanical arm 4 and a polishing belt 5; the working box 2 is installed on the top surface of the substrate 1, and the inner wall of the working box 2 is rotatably connected with four fixed shafts 21, two of which are located on one side of the working box 2 and are arranged up and down, and the other two fixed shafts 21 are located on the other side of the working box 2 and are arranged up and down. The polishing belt 5 is wound around the four fixed shafts 21, and a driving mechanism 6 for driving the polishing belt 5 to move on the fixed shafts 21 is installed in the working box 2; the mechanical arm 4 is installed on the top surface of the substrate 1, the clamping part 3 is installed at the output end of the mechanical arm 4, and the end of the clamping part 3 is used to clamp the denture 01; the side of the working box 2 close to the mechanical arm 4 is provided with an opening 22 for the clamping part 3 to extend into, and the end of the clamping part 3 is located below the polishing belt 5 and between the two fixed shafts 21.

[0021] When it is necessary to grind and polish the denture 01, the robotic arm 4 controls the clamping part 3 to move out of the working box 2, and installs the denture 01 at the end of the clamping part 3. The robotic arm 4 controls the clamping part 3 to enter the working box 2, so that the denture 01 is located under the polishing belt 5. The driving mechanism 6 drives the polishing belt 5 to transmit on the fixed rotating shaft 21. The robotic arm 4 controls the clamping part 3 to drive the denture 01 close to the polishing belt 5, and the polishing belt 5 grinds the denture 01. The robotic arm 4 controls the angle of the denture 01, so that the polishing belt 5 grinds and polishes multiple parts of the denture 01, thereby improving the grinding and polishing efficiency of the denture 01.

[0022] The driving mechanism 6 includes a driving motor 61, a rotating shaft 62, a synchronous belt 63 and a synchronous wheel 64. The two ends of the rotating shaft 62 are rotatably connected to the inner wall of the working box 2. The rotating shaft 62 is located above the polishing belt 5. The synchronous wheel 64 is coaxially connected to the circumference of the rotating shaft 62. The driving motor 61 is installed on the outer side of the working box 2. The output shaft of the driving motor 61 is coaxially connected to the end of the rotating shaft 62; the two ends of the synchronous belt 63 are respectively connected to the two ends of the polishing belt 5, and the synchronous belt 63 is wound around the synchronous wheel 64.

[0023] When it is necessary to drive the polishing belt 5 to reciprocate, the driving motor 61 drives the rotating shaft 62 to rotate, the rotating shaft 62 drives the synchronous wheel 64 to rotate, the synchronous wheel 64 drives the synchronous belt 63 to move, and the synchronous belt 63 drives the polishing belt 5 to move; when the polishing belt 5 moves for a certain distance, the driving motor 61 drives the rotating shaft 62 to rotate in the opposite direction, the rotating shaft 62 drives the synchronous wheel 64 to rotate in the opposite direction, the synchronous wheel 64 drives the synchronous belt 63 to move in the opposite direction, and the synchronous belt 63 drives the polishing belt 5 to move in the opposite direction, and in this reciprocating manner, the polishing belt 5 can be driven to reciprocate.

[0024] A movable plate 7 is arranged in the working box 2, and four connecting rods 71 ​​are connected to the four corners of the bottom surface of the movable plate 7. The bottom ends of the two connecting rods 71 ​​located on the same side are rotatably connected to the movable shafts 23. The two movable shafts 23 are located on both sides of the rotating shaft 62. The movable shafts 23 are located above the synchronous belt 63, and the two movable shafts 23 press down the synchronous belt 63. A movable opening 24 for the movable plate 7 to extend out is arranged on the top of the working box 2, and waist-shaped holes 25 for the movable shafts 23 to move vertically are arranged on both sides of the working box 2. A support frame 26 is installed on the top surface of the working box 2, and a lifting motor 2 is installed on the side of the support frame 26. 61. The output shaft of the lifting motor 261 is connected with a threaded rod 262, the bottom end of the threaded rod 262 passes through the movable plate 7, and the lifting plate 263 is threadedly connected to the threaded rod 262; the side of the support frame 26 is connected with a support plate 264, and the bottom surface of the support plate 264 is fixedly connected with two guide rods 265, and the bottom ends of the guide rods 265 pass through the lifting plate 263 and the movable plate 7; a spring 266 is sleeved on the threaded rod 262, and a pressure sensor 267 is installed on the top surface of the movable plate 7, the bottom end of the spring 266 is pressed against the top surface of the pressure sensor 267, and the top end of the spring 266 is pressed against the bottom surface of the lifting plate 263.

[0025] When the denture 01 is polished on the surface of the polishing belt 5, it is necessary to control the force between the denture 01 and the polishing belt 5. The spring 266 is restricted by the lifting plate 263. The spring 266 presses down the movable plate 7. The movable plate 7 drives the connecting rod 71 to press down the movable shaft 23. The movable shaft 23 presses down the synchronous belt 63, so that the synchronous belt 63 is tightened, and the polishing belt 5 is tightened. The pressure of the spring 266 on the movable plate 7 is transmitted to the terminal through the pressure sensor 267. The terminal then controls the lifting motor 261. The lifting motor 261 drives the lifting plate 263 to rise and fall, changing the distance between the lifting plate 263 and the movable plate 7, thereby changing the pressure of the spring 266 on the movable plate 7, that is, changing the contact pressure between the denture 01 and the polishing belt 5.

[0026] An installation frame 8 is provided in the working box 2, and the installation frame 8 is located above the polishing belt 5 and below the movable rotating shaft 23. A plurality of regularly arranged pressing pins 81 are provided in the installation frame 8, and the bottom ends of the pressing pins 81 contact the top surface of the polishing belt 5; a magnet 82 is provided in the working box 2, and the magnet 82 is located below the denture 01; a cylinder 83 is installed on the outside of the working box 2, and the bottom end of the piston rod of the cylinder 83 is connected to a connecting plate 84, one end of the connecting plate 84 extends into the working box 2 and the end is bent upward, and the magnet 82 is installed on the end of the connecting plate 84 through a plate.

[0027] The inner wall of the mounting frame 8 is connected with a plurality of baffles 85, which are evenly distributed along the moving direction of the polishing belt 5. Each row of pressing pins 81 is located between two adjacent baffles 85. Both sides of the pressing pins 81 are provided with movable grooves 811 for the baffles 85 to move. The ends of the pressing pins 81 are curved.

[0028] The side plate on one side of the mounting frame 8 is a detachable fixing plate 86, which is mounted on one side of the mounting frame 8, and the end of the baffle 85 is inserted into the fixing plate 86; removing the fixing plate 86 facilitates the installation of the pressing pins 81 one by one into the mounting frame 8.

[0029] Since the denture 01 is of irregular shape, the cylinder 83 drives the magnet 82 to rise, so that the magnet 82 generates suction on the pressing needle 81. Under the attraction of the magnet 82, the pressing needle 81 will gradually press down the polishing belt 5. Since there are multiple pressing needles 81 and they are small in size, some of the pressing needles 81 are restricted by the teeth, so that the polishing belt 5 fits the irregular area of ​​the denture 01. The polishing belt 5 fits fully with the denture 01 and can grind and polish multiple irregular parts of the denture 01.

[0030] The clamping part 3 includes a clamping tube 31, a movable rod 32, an elastic ring 33, a mounting tube 34 and a driving assembly 35; the end of the clamping tube 31 is used to be inserted into the truncated cone groove of the denture 01, the end of the clamping tube 31 is truncated cone-shaped, and the clamping tube 31 is evenly divided into four equal parts along the radial direction; the movable rod 32 is arranged in the clamping tube 31, the end of the movable rod 32 is also truncated cone-shaped, and the circumferential surface of the truncated cone-shaped end of the movable rod 32 is in contact with the inner wall of the end of the clamping tube 31; the elastic ring 33 is sleeved on the circumferential surface of the clamping tube 31, and the elastic ring 33 is tightened on the circumferential surface of the clamping tube 31; the mounting tube 34 is The end is installed at the output end of the robotic arm 4, and the end of the clamping tube 31 away from the denture 01 is located inside the end of the mounting tube 34; the outer circumferential surface of the end of the clamping tube 31 close to the mounting tube 34 is connected with four connecting blocks 311, and the four connecting blocks 311 are evenly distributed around the circumference of the clamping tube 31, and the connecting block 311 passes through the mounting tube 34, and the end of the connecting block 311 is connected to a limiting plate 312, and the limiting plate 312 is attached to the outer side of the mounting tube 34; the driving component 35 is installed outside the mounting tube 34, and the driving component 35 is used to drive the movable rod 32 to slide in the clamping tube 31.

[0031] The driving assembly 35 includes a threaded ring 351 and a sliding ring 352. The circumferential surface of the end of the movable rod 32 away from the clamping tube 31 is connected to two groups of sliding rods 353, each group of sliding rods 353 is provided with four, and the four sliding rods 353 are evenly distributed around the circumference of the movable rod 32. The circumferential surface of the mounting tube 34 is provided with a sliding groove 341 for the sliding rod 353 to slide; the sliding ring 352 is sleeved on the outer circumferential surface of the mounting tube 34, and the end of the sliding rod 353 passes through the sliding ring 352; the threaded ring 351 is threadedly connected to the outer wall of the mounting tube 34, and the end of the sliding ring 352 close to the mechanical arm 4 is located inside the end of the threaded ring 351, and the inner wall of the threaded ring 351 close to the end of the sliding ring 352 is provided with an annular groove 3511 for the ends of a group of sliding rods 353 close to the threaded ring 351 to slide.

[0032] When the denture 01 needs to be fixed, the robot arm 4 drives the clamping part 3 to move out of the working box 2, aligns the truncated cone groove of the denture 01 with the end of the clamping tube 31, and the end of the clamping tube 31 extends into the truncated cone groove of the denture 01. The threaded ring 351 is rotated, and the threaded ring 351 drives the sliding ring 352 to slide. The sliding ring 352 drives the sliding rod 353 to slide in the sliding groove 341. The sliding rod 353 drives the movable rod 32 to slide toward the denture 01 in the clamping tube 31. The end of the movable rod 32 pushes the inner wall of the clamping tube 31, so that the clamping tube 31 passes through the connecting block 31. 1 slides open, the clamping tube 31 is pressed against the inner wall of the truncated cone groove of the denture 01, and during the opening process of the clamping tube 31, the clamping tube 31 stretches the elastic ring 33; when the denture 01 needs to be removed, the threaded ring 351 is driven in the reverse direction to rotate, the threaded ring 351 drives the sliding ring 352 to move in the reverse direction, and the sliding ring 352 drives the movable rod 32 to move in the reverse direction through the sliding rod 353, so that the squeezing of the movable rod 32 on the clamping tube 31 is released, the elastic ring 33 is reset, and the elastic ring 33 closes the clamping tube 31, so that the clamping tube 31 can be released from fixing the denture 01.

[0033] The robot arm 4 includes a rotor motor 41, a linear module 42, a lifting arm 43, a primary swing arm 44, a secondary swing arm 45 and a tertiary swing arm 46; the rotor motor 41 is installed on the top surface of the substrate 1, the linear module 42 is installed on the top surface of the rotor motor 41, and the linear module 42 drives the lifting arm 43 to rise and fall; the motor in the lifting arm 43 is used to drive the primary swing arm 44 to swing, the motor in the primary swing arm 44 is used to drive the secondary swing arm 45 to swing, and the motor in the secondary swing arm 45 is used to drive the tertiary swing arm 46 to swing; the end of the mounting tube 34 is installed at the output end of the tertiary swing arm 46, and the motor in the end of the tertiary swing arm 46 drives the mounting tube 34 to rotate.

[0034] A grinding and polishing process for denture processing, comprising the following steps: S1. The robot arm 4 controls the clamping portion 3 to move out of the working box 2 and directs the end of the clamping portion 3 toward the direction of the denture installation 01; S2. The denture 01 is mounted on the end of the clamping portion 3 and fixed; S3. The robot arm 4 controls the clamping portion 3 to deliver the denture 01 into the work box 2 and place the denture 01 below the polishing belt 5; S4. The control cylinder 83 drives the magnet 82 to rise, and the magnet 82 attracts the pressing needle 81, and the pressing needle 81 presses down the polishing belt 5, so that the pressing needle 81 is pressed tightly against the surface of the denture 01; S5. The robot arm 4 controls the clamping part 3 to adjust the angle, so that the denture 01 is released to the polishing belt 5 at different angles, and the polishing belt 5 can polish the denture 01.

[0035] The implementation principle of a grinding and polishing device and process for denture processing in an embodiment of the present application is as follows: when the denture 01 needs to be ground and polished, the robotic arm 4 controls the clamping part 3 to move out of the working box 2, and installs the denture 01 at the end of the clamping part 3. The robotic arm 4 controls the clamping part 3 to enter the working box 2, so that the denture 01 is located below the polishing belt 5. The driving mechanism 6 drives the polishing belt 5 to transmit on the fixed rotating shaft 21. The robotic arm 4 controls the clamping part 3 to drive the denture 01 close to the polishing belt 5, and the polishing belt 5 grinds the denture 01. The robotic arm 4 controls the angle of the denture 01, so that the polishing belt 5 grinds and polishes multiple parts of the denture 01, thereby improving the grinding and polishing efficiency of the denture 01.

[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A grinding and polishing device for denture processing, characterized in that: The invention comprises a base plate (1), a working box (2), a clamping part (3), a mechanical arm (4) and a polishing belt (5); the working box (2) is mounted on the top surface of the base plate (1); the inner wall of the working box (2) is rotatably connected with four fixed rotating shafts (21); two of the fixed rotating shafts (21) are located on one side of the working box (2) and are arranged vertically; the other two fixed rotating shafts (21) are located on the other side of the working box (2) and are arranged vertically; the polishing belt (5) is wound around the four fixed rotating shafts (21); A driving mechanism (6) is installed for driving the polishing belt (5) to move on the fixed rotating shaft (21); the mechanical arm (4) is installed on the top surface of the base plate (1), the clamping part (3) is installed on the output end of the mechanical arm (4), and the end of the clamping part (3) is used to clamp the artificial tooth (01); the side of the working box (2) close to the mechanical arm (4) is provided with an opening (22) for the clamping part (3) to extend into, and the end of the clamping part (3) is located below the polishing belt (5) and between the two fixed rotating shafts (21).

2. The grinding and polishing device for denture processing according to claim 1, characterized in that: The driving mechanism (6) comprises a driving motor (61), a rotating shaft (62), a synchronous belt (63) and a synchronous wheel (64); the two ends of the rotating shaft (62) are rotatably connected to the inner wall of the working box (2); the rotating shaft (62) is located above the polishing belt (5); the synchronous wheel (64) is coaxially connected to the circumference of the rotating shaft (62); the driving motor (61) is mounted on the outer side of the working box (2); the output shaft of the driving motor (61) is coaxially connected to the end of the rotating shaft (62); the two ends of the synchronous belt (63) are respectively connected to the two ends of the polishing belt (5); the synchronous belt (63) is wound around the synchronous wheel (64).

3. A grinding and polishing device for denture processing according to claim 2, characterized in that: A movable plate (7) is arranged in the working box (2), and four connecting rods (71) are connected to four corners of the bottom surface of the movable plate (7), and the bottom ends of two connecting rods (71) located on the same side are rotatably connected to movable shafts (23), and the two movable shafts (23) are located on both sides of the rotating shaft (62), and the movable shafts (23) are located above the synchronous belt (63), and the two movable shafts (23) press down the synchronous belt (63); a movable opening (24) for the movable plate (7) to extend out is arranged on the top of the working box (2), and waist-shaped holes (25) for the movable shafts (23) to move vertically are arranged on both sides of the working box (2); a support frame (26) is installed on the top surface of the working box (2), and a lifting motor (23) is installed on the side of the support frame (26). 61), the output shaft of the lifting motor (261) is connected to a threaded rod (262), the bottom end of the threaded rod (262) passes through the movable plate (7), and the threaded rod (262) is threadedly connected to the lifting plate (263); the side of the support frame (26) is connected to a support plate (264), the bottom surface of the support plate (264) is fixedly connected to two guide rods (265), the bottom ends of the guide rods (265) pass through the lifting plate (263) and the movable plate (7); a spring (266) is sleeved on the threaded rod (262), and a pressure sensor (267) is installed on the top surface of the movable plate (7), the bottom end of the spring (266) is pressed against the top surface of the pressure sensor (267), and the top end of the spring (266) is pressed against the bottom surface of the lifting plate (263).

4. The grinding and polishing device for denture processing according to claim 1, characterized in that: A mounting frame (8) is arranged in the working box (2), the mounting frame (8) is located above the polishing belt (5) and below the movable rotating shaft (23), a plurality of regularly arranged pressing pins (81) are arranged in the mounting frame (8), the bottom ends of the pressing pins (81) contact the top surface of the polishing belt (5); a magnet (82) is arranged in the working box (2), the magnet (82) is located below the denture (01); a cylinder (83) is installed outside the working box (2), the bottom end of the piston rod of the cylinder (83) is connected to a connecting plate (84), one end of the connecting plate (84) extends into the working box (2) and the end is bent upward, and the magnet (82) is installed on the end of the connecting plate (84) through a plate.

5. The grinding and polishing device for denture processing according to claim 4, characterized in that: The inner wall of the mounting frame (8) is connected with a plurality of baffles (85), the plurality of baffles (85) are evenly distributed along the moving direction of the polishing belt (5), each row of pressing pins (81) is located between two adjacent baffles (85), and movable grooves (811) for the baffles (85) to move are arranged on both sides of the pressing pins (81), and the ends of the pressing pins (81) are in the form of arc surfaces.

6. The grinding and polishing device for denture processing according to claim 5, characterized in that: The side plate on one side of the installation frame (8) is a detachable fixing plate (86), the fixing plate (86) is installed on one side of the installation frame (8), and the end of the baffle (85) is inserted into the fixing plate (86).

7. The grinding and polishing device for denture processing according to claim 1, characterized in that: The clamping part (3) comprises a clamping tube (31), a movable rod (32), an elastic ring (33), a mounting tube (34) and a driving assembly (35); the end of the clamping tube (31) is used to be inserted into the truncated cone groove of the artificial tooth (01), the end of the clamping tube (31) is truncated cone-shaped, and the clamping tube (31) is evenly divided into four equal parts along the radial direction; the movable rod (32) is arranged in the clamping tube (31), the end of the movable rod (32) is also truncated cone-shaped, and the circumferential surface of the truncated cone-shaped end of the movable rod (32) is in contact with the inner wall of the end of the clamping tube (31); the elastic ring (33) is sleeved on the circumferential surface of the clamping tube (31), and the elastic ring (33) is tightened on the circumferential surface of the clamping tube (31); the mounting tube (34) is The end is installed at the output end of the mechanical arm (4), and the end of the clamping tube (31) away from the denture (01) is located inside the end of the mounting tube (34); the outer peripheral surface of the end of the clamping tube (31) close to the mounting tube (34) is connected with four connecting blocks (311), and the four connecting blocks (311) are evenly distributed around the circumference of the clamping tube (31), and the connecting blocks (311) pass through the mounting tube (34), and the ends of the connecting blocks (311) are connected with a limiting plate (312), and the limiting plate (312) is attached to the outer side surface of the mounting tube (34); the driving component (35) is installed outside the mounting tube (34), and the driving component (35) is used to drive the movable rod (32) to slide inside the clamping tube (31).

8. The grinding and polishing device for denture processing according to claim 7, characterized in that: The driving assembly (35) comprises a threaded ring (351) and a sliding ring (352); the end surface of the movable rod (32) away from the clamping tube (31) is connected with two groups of sliding rods (353); each group of sliding rods (353) is provided with four sliding rods (353); the four sliding rods (353) are evenly distributed around the circumference of the movable rod (32); the circumference of the mounting tube (34) is provided with a sliding groove (341) for the sliding rods (353) to slide; the sliding ring (352) is sleeved on the mounting tube (34) The outer peripheral surface of the tube (34), the end of the sliding rod (353) passes through the sliding ring (352); the threaded ring (351) is threadedly connected to the outer wall of the mounting tube (34), the end of the sliding ring (352) close to the mechanical arm (4) is located inside the end of the threaded ring (351), and the inner wall of the threaded ring (351) close to the end of the sliding ring (352) is provided with an annular groove (3511) for sliding the end of a group of sliding rods (353) close to the threaded ring (351).

9. The grinding and polishing device for denture processing according to claim 7, characterized in that: The mechanical arm (4) comprises a rotor motor (41), a linear module (42), a lifting arm (43), a primary swing arm (44), a secondary swing arm (45) and a tertiary swing arm (46); the rotor motor (41) is mounted on the top surface of the base plate (1), the linear module (42) is mounted on the top surface of the rotor motor (41), and the linear module (42) drives the lifting arm (43) to move up and down; the motor in the lifting arm (43) is used to drive the primary swing arm (44) to swing, the motor in the primary swing arm (44) is used to drive the secondary swing arm (45) to swing, and the motor in the secondary swing arm (45) is used to drive the tertiary swing arm (46) to swing; the end of the mounting tube (34) is mounted on the output end of the tertiary swing arm (46), and the motor in the end of the tertiary swing arm (46) drives the mounting tube (34) to rotate.

10. A grinding and polishing process for denture processing, applicable to the grinding and polishing device for denture processing as claimed in any one of claims 1 to 9, comprising the following steps: S1. The robot arm (4) controls the clamping portion (3) to move out of the working box (2) and directs the end of the clamping portion (3) toward the direction of installing the denture (01); S2. The denture (01) is mounted on the end of the clamping portion (3) and fixed; S3. The robot arm (4) controls the clamping part (3) to deliver the denture (01) into the working box (2) and place the denture (01) below the polishing belt (5); S4. The control cylinder (83) drives the magnet (82) to rise, the magnet (82) attracts the pressing needle (81), the pressing needle (81) presses down the polishing belt (5), so that the pressing needle (81) is pressed tightly against the surface of the denture (01); S5. The robot arm (4) controls the clamping part (3) to adjust the angle, so that the denture (01) is released to the polishing belt (5) at different angles, and the polishing belt (5) can polish the denture (01).

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