Dimension measuring device and method for 3D printed denture structure

Abstract

The invention relates to the technical field of laser measuring instruments, and discloses a size measuring device and method for a 3D printed artificial tooth structure, the size measuring device comprises a protective cover, the inner wall of the protective cover is fixedly connected with a motor, the inner wall of the protective cover is provided with a first sliding groove, and the protective cover is internally provided with a supporting mechanism; the supporting mechanism comprises a supporting mechanism, the outer wall of the rotating disc is rotatably connected with the inner wall of the protective cover through a bearing, a swing mechanism is arranged on the outer wall of the rotating disc and comprises a second supporting seat, the outer wall of the second supporting seat is slidably connected with the groove wall of the first sliding groove, and the inner wall of the second supporting seat is rotatably connected with a first supporting wheel through a rotating shaft; the inner wall of the second supporting base is connected with a swing block through a rotating shaft hinge. According to the invention, the swing mechanism drives the first measuring block to swing, so that the first measuring block can measure the tooth structure at different angles, and the tooth structure is prevented from generating diffuse reflection due to partial convex or concave areas in the measuring process to influence the measured data.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser measuring instruments, in particular to a size measuring device for 3D printed dental structure and a method thereof. BACKGROUND

[0002] The laser size measuring instrument is used for measuring the size of the structure, obtaining the size data of the structure by laser, performing size measurement, and ensuring that the size of the structure meets the requirements.

[0003] The patent application with the application number CN201921634660.X discloses a size measuring device for dental production, which comprises a base and a gantry, the gantry is fixedly installed on the upper end of the base, a transmission mechanism is fixedly installed on the upper end of the base near the shaft center, the transmission mechanism comprises a motor and a frame, the motor is fixedly installed on one side of the outer wall of the frame through bolts, the motor power output end penetrates the frame and is fixedly installed with a driving wheel, a driven wheel is rotatably installed on the side of the frame away from the driving wheel.

[0004] However, the outer wall of the tooth structure is irregularly shaped, which causes the size measuring device for 3D printed dental structure to produce diffuse reflection in the process of measuring the dental structure, resulting in missing of the measurement data of the tooth structure and affecting the measurement result of the tooth structure. SUMMARY

[0005] The present application aims to provide a size measuring device for 3D printed dental structure and a method thereof to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a size measuring device for 3D printed dental structure, comprising a protective cover, the inner wall of the protective cover is fixedly connected with a motor, a sliding groove one is formed in the inner wall of the protective cover, a supporting mechanism is arranged in the protective cover;

[0007] The supporting mechanism comprises;

[0008] A turntable is rotatably connected to the inner wall of the protective cover through a bearing, the outer wall of the turntable is provided with a swing mechanism, the swing mechanism comprises a support seat two, the outer wall of the support seat two is slidably connected with the groove wall of the sliding groove one, a support wheel one is rotatably connected to the inner wall of the support seat two through a rotating shaft, a swing block is hingedly connected to the inner wall of the support seat two through a rotating shaft, a measuring block one is fixedly connected to the inner wall of the swing block, the support wheel one is used for supporting the support seat two, and the measuring block one is used for measuring the tooth structure.

[0009] According to the technical scheme, the inner wall of the protective cover is fixedly connected with the motor, the inner wall of the protective cover is fixedly connected with the support frame, the inner wall of the protective cover is fixedly connected with the limiting rod, the inner wall of the protective cover is fixedly connected with the limiting block, the outer wall of the second support seat is fixedly connected with the third telescopic rod, the other end of the third telescopic rod is fixedly connected with the inner wall of the limiting block, the third telescopic rod is internally provided with a spring for supporting the second support seat and driving the second support seat to reset, the first sliding groove is used for guiding and limiting the second support seat, the outer contour of the rotating disc is wave-shaped, the rotating disc is used for driving the second support seat to slide in the first sliding groove through the first supporting wheel and supporting the second support seat through the third telescopic rod, and the second support seat is used for reciprocating in the first sliding groove.

[0010] According to the technical scheme, the inner wall of the rotating disc is hingedly connected with the first telescopic rod through the ball head hinge block, the other end of the first telescopic rod is hingedly connected with the outer wall of the first support seat through the hinge block, the bottom of the first support seat is fixedly connected with the spherical block, the inner wall of the rotating disc is coveringly connected with the outer wall of the spherical block, the inner wall of the first support seat is fixedly connected with the second telescopic rod, the other end of the second telescopic rod is fixedly connected with the clamping block, the second telescopic rod is internally provided with a spring for supporting the clamping block, and the clamping block is used for clamping the tooth structure.

[0011] According to the technical scheme, the outer wall of the swing block is provided with the second sliding groove, the groove wall of the second sliding groove is slidingly connected with the first supporting block through the sliding block, the outer wall of the first supporting block is fixedly connected with the fourth telescopic rod, the other end of the fourth telescopic rod is fixedly connected with the groove wall of the second sliding groove, the outer wall of the first supporting block is slidingly connected with the inner wall of the limiting rod, the fourth telescopic rod is internally provided with a spring for supporting the first supporting block and driving the first supporting block to reset in the second sliding groove, and the outer wall of the first supporting wheel is in contact with the outer wall of the rotating disc and rolls along the outer wall of the rotating disc.

[0012] According to the technical scheme, the inner wall of the protective cover is slidingly connected with the sliding frame, the inner wall of the sliding frame is rotatably connected with the second supporting wheel through the rotating shaft, the inner wall of the sliding frame is hingedly connected with the second supporting block through the rotating shaft, the outer wall of the second supporting block is fixedly connected with the second measuring block, the outer wall of the second supporting block is fixedly connected with the fifth telescopic rod, the outer wall of the fifth telescopic rod is rotatably connected with the inner wall of the support frame through the rotating shaft, and the second measuring block is used for measuring the tooth structure.

[0013] According to the technical scheme, the limiting rod is used for supporting and limiting the first supporting block, the output end of the motor is fixedly connected with the bottom of the rotating disc, the limiting block is used for supporting the third telescopic rod, and the support frame is used for supporting and limiting the fifth telescopic rod.

[0014] According to the technical scheme, the spring arranged in the telescopic rod one is used for supporting the telescopic rod one to support the support base one, and the support base one is adjusted to keep the tooth structure vertical to the rotating disc, and the rubber strip arranged on the outer wall of the clamping block is used for increasing the friction force of the clamping block on the tooth structure.

[0015] According to the technical scheme, the telescopic rod four is supported by the support block one, so that the swing block is kept vertical to the support base two after being reset, and when the swing block slides to the limiting position of the limiting rod through the support block one, the swing block swings around the axis of the support block one as a fulcrum, so that the measuring block one generates an inclination angle for measuring the tooth structure.

[0016] According to the technical scheme, the outer wall of the sliding frame is slidably connected with the inner wall of the support frame, the outer wall of the support wheel two is in contact with the outer wall of the rotating disc, and the support wheel two rolls along the outer wall of the rotating disc through friction, the support wheel two is used to drive the sliding frame to slide in the inner wall of the protective cover, and the telescopic rod five drives the support block two to swing in the inner wall of the sliding frame during the sliding of the sliding frame in the inner wall of the protective cover.

[0017] A size measurement method of a 3D printed tooth structure is suitable for the measurement device, and includes the following steps:

[0018] S1, the printed tooth structure is placed in the support base one, the telescopic rod two is used to support the clamping block, the clamping block is used to clamp the tooth structure, and after the tooth structure is placed, the telescopic rod one is used to support the support base one, the support base one is connected with the tooth structure through the spherical block and the spherical head of the inner wall of the rotating disc, and the tooth structure is adjusted, so that the tooth structure is kept vertical to the rotating disc during the measurement.

[0019] S2, after the tooth structure is adjusted, the rotating disc is driven to rotate in the inner wall of the protective cover through the motor, the support wheel one rolls on the wavy outer contour of the rotating disc through the rotation of the rotating disc, the support wheel one drives the support base two to press the telescopic rod three to slide in the sliding groove one, and the swing block is driven to reciprocate, so that the measuring block one measures the tooth structure through the reciprocation.

[0020] S3, the support block one slides to the limiting position in the inner wall of the limiting rod, the support block one is limited by the limiting rod, the telescopic rod four is pressed to slide in the sliding groove two, the swing block is driven to generate an inclination angle, the measuring block one swings to the direction close to the tooth structure, and the tooth structure is measured at multiple angles through the change of the measurement inclination angle.

[0021] S4, during the rotation of the rotating disc, the support wheel two rolls on the outer wall of the rotating disc, the sliding frame is driven to slide in the inner wall of the support frame, the telescopic rod five is hinged with the inner wall of the support frame, the telescopic rod five drives the support block two to rotate in the inner wall of the sliding frame, the support block two drives the measuring block two to swing, and the tooth crown is measured at multiple angles through the swing.

[0022] Compared with the prior art, the 3D printed false tooth structure size measuring device has the beneficial effects that:

[0023] 1. The 3D printed false tooth structure size measuring device, by means of the swing mechanism, drives the measuring block one to swing, so that the measuring block one can measure the tooth structure at different angles, preventing the tooth structure from producing diffuse reflection in the measuring process due to partial protruding or recessed areas, resulting in missing tooth structure measurement data.

[0024] 2. The 3D printed false tooth structure size measuring device, by means of the support mechanism, drives the measuring block one to reciprocate during the tooth structure measuring process, so that the measuring block one measures the tooth structure at different distances, preventing the tooth structure from producing diffuse reflection in the measuring process due to partial protruding or recessed areas, resulting in missing tooth structure measurement data.

[0025] 3. The 3D printed false tooth structure size measuring device, by means of the sliding mechanism, measures the tooth crown, and during the measurement at the tooth crown, changes the measurement inclination angle by reciprocating, preventing the fixed inclination angle from measuring the tooth structure, resulting in diffuse reflection in the recessed area of the tooth structure, resulting in missing measurement data.

[0026] 4. The 3D printed false tooth structure size measuring device, by means of the support mechanism, clamps and supports the tooth structure, and after the tooth structure is placed, adjusts the support seat one by means of the telescopic rod one, so that the support seat one drives the tooth structure to adjust by connecting the spherical block with the inner wall ball head of the turntable, so that the tooth structure remains perpendicular to the turntable during the measuring process. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 Structure diagram of the present application Figure 1 ;

[0028] Figure 2 Structure diagram of the present application Figure 2 ;

[0029] Figure 3 Cross-sectional view of the present application Figure 1 ;

[0030] Figure 4 Cross-sectional view of the present application Figure 2 ;

[0031] Figure 5 Structure diagram of the support mechanism of the present application Figure 1 ;

[0032] Figure 6 Structure diagram of the support mechanism of the present application Figure 2 ;

[0033] Figure 7 Cross-sectional view of the support mechanism of the present application Figure 1;

[0034] Figure 8 A cross section of the support mechanism of the present application Figure 2 ;

[0035] Figure 9 A structural schematic diagram of the swing mechanism of the present application

[0036] Figure 10 A structural schematic diagram of the sliding mechanism of the present application

[0037] In the figure: 1, protective cover; 101, support frame; 102, motor; 103, limiting rod; 104, limiting block; 105, sliding groove one; 2, support mechanism; 201, rotating disc; 202, telescopic rod one; 203, support seat one; 204, spherical block; 205, telescopic rod two; 206, clamping block; 3, swing mechanism; 301, swing block; 302, measuring block one; 303, support seat two; 304, support wheel one; 305, telescopic rod three; 306, sliding groove two; 307, support block one; 308, telescopic rod four; 4, sliding mechanism; 401, sliding frame; 402, support wheel two; 403, telescopic rod five; 404, support block two; 405, measuring block two. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0039] Embodiment one, please refer to Figures 1-9 The present application provides a technical solution: a size measuring device for a 3D printed dental structure, comprising a protective cover 1, a motor 102 fixedly connected to the inner wall of the protective cover 1, a sliding groove one 105 formed in the inner wall of the protective cover 1, and a support mechanism 2 arranged inside the protective cover 1.

[0040] The outer wall of the dental structure is irregularly shaped, which causes the size measuring device for the 3D printed dental structure to produce diffuse reflection in the measuring process of the dental structure, resulting in missing of the dental structure measurement data and affecting the measurement result of the dental structure. Therefore, the support mechanism 2 is arranged to drive the measuring block one 302 to reciprocate during the measuring process of the dental structure, so that the measuring block one 302 measures different distances of the dental structure, and at the same time, the swing mechanism 3 is arranged to drive the measuring block one 302 to swing during the reciprocating process, so that the measuring block one 302 can measure the dental structure at different angles, preventing the dental structure from producing diffuse reflection due to partial protrusions or recessed areas during the measuring process, which causes missing of the dental structure measurement data.

[0041] The support mechanism 2 comprises;

[0042] The rotating disc 201 is rotatably connected to the inner wall of the protective cover 1 through a bearing, and the outer wall of the rotating disc 201 is provided with an oscillating mechanism 3. The oscillating mechanism 3 comprises a support seat two 303, the outer wall of the support seat two 303 is slidably connected to the groove wall of a sliding groove one 105, the inner wall of the support seat two 303 is rotatably connected to a support wheel one 304 through a rotating shaft, the inner wall of the support seat two 303 is hingedly connected to an oscillating block 301 through a rotating shaft, and the inner wall of the oscillating block 301 is fixedly connected to a measuring block one 302. The support wheel one 304 is used for supporting the support seat two 303, and the measuring block one 302 is used for measuring the tooth structure. When the size measuring device for 3D printing tooth structure is put into use, the printed tooth structure is placed in the support seat one 203, and the clamping block 206 is supported through the telescopic rod two 205, so that the clamping block 206 clamps the tooth structure, and after the tooth structure is placed, the support seat one 203 is supported through the telescopic rod one 202, so that the support seat one 203 drives the tooth structure to adjust through the spherical block 204 and the ball head connection between the inner wall of the rotating disc 201, so that the tooth structure remains perpendicular to the rotating disc 201 during the measuring process. After the tooth structure adjustment is completed, the rotating disc 201 is driven to rotate in the inner wall of the protective cover 1 through the start of the motor 102, so that the support seat one 203 drives the tooth structure to rotate through the rotating disc 201, and the size measurement is performed. During the rotation of the rotating disc 201, the support seat two 303 is supported through the telescopic rod three 305, so that the support seat two 303 drives the support wheel one 304 to contact the outer wall of the rotating disc 201, and the friction force generated between the support wheel one 304 and the rotating disc 201 makes the support wheel one 304 roll on the wave-shaped outer contour of the rotating disc 201, so that the support wheel one 304 drives the support seat two 303 to extrude the telescopic rod three 305 to slide in the sliding groove one 105, so that the support seat two 303 drives the oscillating block 301 to make reciprocating motion. The oscillating block 301 supports the support block one 307 through the telescopic rod four 308, and at the same time, the limiting rod 103 limits the support block one 307, so that the support block one 307 slides along the inner wall of the limiting rod 103, and the telescopic rod four 308 supports the oscillating block 301, so that the support block one 307 slides to the position before being limited by the limiting rod 103, so that the oscillating block 301 remains vertical and slides. When the support block one 307 slides to the limiting position in the inner wall of the limiting rod 103, the support seat two 303 continues to slide in the sliding groove one 105 through the support wheel one 304 extrusion, so that the support block one 307 extrudes the telescopic rod four 308 to slide in the sliding groove two 306, so that the oscillating block 301 generates an inclination angle and drives the measuring block one 302 to oscillate towards the tooth structure, so as to prevent the measuring block one 302 from deviating from the measurement range of the tooth structure after generating an inclination angle;

[0043] The inner wall of the protective cover 1 is fixedly connected with a motor 102, the inner part of the protective cover 1 is fixedly connected with a support frame 101, the inner wall of the protective cover 1 is fixedly connected with a limiting rod 103, the inner wall of the protective cover 1 is fixedly connected with a limiting block 104, the outer wall of the support base two 303 is fixedly connected with an extension rod three 305, the other end of the extension rod three 305 is fixedly connected with the inner wall of the limiting block 104, the extension rod three 305 supports the support base two 303 through the spring arranged inside, and drives the support base two 303 to reset, after the tooth structure adjustment is completed, the motor 102 is started to drive the rotating disc 201 to rotate on the inner wall of the protective cover 1, so that the support base one 203 drives the tooth structure to rotate through the rotating disc 201 to measure the size, in the rotating process of the rotating disc 201, the support base two 303 is supported by the extension rod three 305, so that the support base two 303 drives the support wheel one 304 to contact with the outer wall of the rotating disc 201, and the friction force generated between the support wheel one 304 and the rotating disc 201 makes the support wheel one 304 roll on the wave-shaped outer contour of the rotating disc 201, so that the support wheel one 304 drives the support base two 303 to extrude the extension rod three 305 to slide in the sliding groove one 105 groove to make reciprocating motion;

[0044] The inner wall of the rotating disc 201 is hingedly connected with the extension rod one 202 through the ball head hinge block, the other end of the extension rod one 202 is hingedly connected with the outer wall of the support base one 203 through the hinge block, the bottom of the support base one 203 is fixedly connected with the spherical block 204, the inner wall of the rotating disc 201 is overmolded with the outer wall of the spherical block 204, the inner wall of the support base one 203 is fixedly connected with the extension rod two 205, the other end of the extension rod two 205 is fixedly connected with the clamping block 206, the extension rod two 205 supports the clamping block 206 through the spring arranged inside, the clamping block 206 is used for clamping the tooth structure, the printed tooth structure is placed in the support base one 203, the clamping block 206 is supported by the extension rod two 205, so that the clamping block 206 clamps the tooth structure, and after the tooth structure is placed, the support base one 203 is supported by the extension rod one 202, so that the support base one 203 drives the tooth structure to adjust through the spherical connection of the spherical block 204 and the inner wall of the rotating disc 201, so that the tooth structure remains perpendicular to the rotating disc 201 during the measurement process;

[0045] The outer wall of the swing block 301 is provided with a sliding groove two 306, and the groove wall of the sliding groove two 306 is slidably connected with a supporting block one 307 through a sliding block. The outer wall of the supporting block one 307 is fixedly connected with an extension rod four 308, and the other end of the extension rod four 308 is fixedly connected with the groove wall of the sliding groove two 306. The outer wall of the supporting block one 307 is slidably connected with the inner wall of the limiting rod 103. The extension rod four 308 supports the supporting block one 307 through the setting of a spring, so that the supporting block one 307 resets in the groove of the sliding groove two 306. The outer wall of the supporting wheel one 304 is in contact with the outer wall of the rotating disc 201 and rolls along the outer wall of the rotating disc 201. In the rotating process of the rotating disc 201, the supporting seat two 303 is supported through the extension rod three 305, so that the supporting seat two 303 drives the supporting wheel one 304 to be in contact with the outer wall of the rotating disc 201 and generates a friction force between the supporting wheel one 304 and the rotating disc 201. The supporting wheel one 304 rolls on the wave-shaped outer contour of the rotating disc 201, so that the supporting wheel one 304 drives the supporting seat two 303 to press the extension rod three 305 to slide and reciprocate in the sliding groove one 105, and the supporting seat two 303 drives the swing block 301 to reciprocate. The swing block 301 supports the supporting block one 307 through the extension rod four 308, and the limiting rod 103 limits the supporting block one 307, so that the supporting block one 307 slides along the inner wall of the limiting rod 103 and is supported by the swing block 301 through the extension rod four 308. The supporting block one 307 slides to the position limited by the limiting rod 103, so that the swing block 301 keeps sliding vertically. When the supporting block one 307 slides to the limiting position on the inner wall of the limiting rod 103, the supporting seat two 303 continues to slide in the sliding groove one 105 through the supporting wheel one 304, so that the supporting block one 307 slides in the sliding groove two 306 through the extension rod four 308, the swing block 301 generates an inclination angle, and drives the measuring block one 302 to swing towards the tooth structure, so as to prevent the measuring block one 302 from deviating from the measurement range of the tooth structure after generating an inclination angle;

[0046] The sliding groove one 105 is used for guiding and limiting the supporting seat two 303. The outer contour of the rotating disc 201 is wave-shaped, which is used for driving the supporting seat two 303 to slide in the sliding groove one 105 through the supporting wheel one 304 in the rotating process, and supporting the supporting seat two 303 through the extension rod three 305, so that the supporting seat two 303 reciprocates in the sliding groove one 105. In the rotating process of the rotating disc 201, the supporting wheel one 304 drives the supporting seat two 303 to press the extension rod three 305 to slide in the sliding groove one 105, and the sliding groove one 105 limits the supporting seat two 303, so that the supporting seat two 303 reciprocates in the sliding groove one 105;

[0047] The limiting rod 103 is used for supporting and limiting the supporting block one 307, the motor 102 output end is fixedly connected with the bottom of the rotating disc 201, the limiting block 104 is used for supporting the telescopic rod three 305, the supporting frame 101 is used for supporting and limiting the telescopic rod five 403, the supporting seat two 303 drives the swing block 301 to do reciprocating motion, the swing block 301 supports the supporting block one 307 through the telescopic rod four 308, and meanwhile the limiting rod 103 limits the supporting block one 307, so that the supporting block one 307 slides along the inner wall of the limiting rod 103, when the supporting block one 307 slides to the limiting position in the inner wall of the limiting rod 103, the supporting seat two 303 continues to slide in the sliding groove one 105 through the supporting wheel one 304, so that the supporting block one 307 slides in the sliding groove two 306 through the telescopic rod four 308, the swing block 301 generates an inclination angle, and the measuring block one 302 is swung to the direction of approaching the tooth structure, so that the measuring block one 302 is prevented from deviating from the measurement range of the tooth structure due to the inclination angle;

[0048] The telescopic rod one 202 is internally provided with a spring, so that the telescopic rod one 202 is used for supporting the supporting seat one 203, the supporting seat one 203 is adjusted, the tooth structure is kept vertical to the rotating disc 201, the outer wall of the clamping block 206 is provided with a rubber strip, so as to increase the friction force of the clamping block 206 on the tooth structure, the tooth structure is placed in the supporting seat one 203, and the clamping block 206 is supported through the telescopic rod two 205, so that the clamping block 206 clamps the tooth structure, and after the tooth structure is placed, the supporting seat one 203 is supported through the telescopic rod one 202, so that the supporting seat one 203 drives the tooth structure to be adjusted through the spherical block 204 and the ball head connection with the inner wall of the rotating disc 201, so that the tooth structure is kept vertical to the rotating disc 201 during the measurement;

[0049] The telescopic rod four 308 supports the supporting block one 307, so that the swing block 301 is kept vertical to the supporting seat two 303 after being reset, when the swing block 301 slides to the limiting position of the limiting rod 103 through the supporting block one 307, the swing block 301 swings around the axis of the supporting block one 307 as a fulcrum, so that the measuring block one 302 generates an inclination angle during the measurement of the tooth structure, when the supporting seat two 303 drives the swing block 301 to do reciprocating motion, the swing block 301 supports the supporting block one 307 through the telescopic rod four 308, and meanwhile the limiting rod 103 limits the supporting block one 307, so that the supporting block one 307 slides along the inner wall of the limiting rod 103, and the swing block 301 is supported through the telescopic rod four 308, so that the supporting block one 307 slides to the position before the limiting position of the limiting rod 103, and the swing block 301 keeps vertical to slide.

[0050] In the embodiment two, based on the embodiment one, please refer to Figure 10 The application provides a technical scheme that a sliding mechanism 4 is arranged in the protective cover 1.

[0051] The support mechanism 2 drives the measurement block one 302 to swing, so that the measurement block one 302 measures the tooth structure at different inclination angles, but the recess on the tooth crown still causes the size measurement data to be missing, so the sliding mechanism 4 is arranged to measure the tooth crown, and during the measurement of the tooth crown, the measurement inclination angle is changed through reciprocating movement, preventing the measurement of the tooth structure at a fixed inclination angle, causing the recess of the tooth structure to produce diffuse reflection, resulting in the loss of measurement data;

[0052] The sliding mechanism 4 comprises a sliding frame 401, the bottom of the sliding frame 401 is in sliding connection with the inner wall of the protective cover 1, the inner wall of the sliding frame 401 is rotatably connected with a support wheel two 402 through a rotating shaft, the inner wall of the sliding frame 401 is hingedly connected with a support block two 404 through a rotating shaft, the outer wall of the support block two 404 is fixedly connected with a measurement block two 405, the outer wall of the support block two 404 is fixedly connected with an extension rod five 403, the outer wall of the extension rod five 403 is rotatably connected with the inner wall of the support frame 101 through a rotating shaft, the measurement block two 405 is used for measuring the tooth structure, during the rotation of the turntable 201, the support wheel two 402 is in contact with the outer wall of the turntable 201, and is driven to roll on the outer wall of the turntable 201 through friction, and the sliding frame 401 is driven to slide on the inner wall of the protective cover 1 through the support wheel two 402, and simultaneously slides on the inner wall of the support frame 101, during the sliding of the sliding frame 401 on the inner wall of the support frame 101, the extension rod five 403 is hingedly connected with the inner wall of the support frame 101, so that the extension rod five 403 drives the support block two 404 to rotate on the inner wall of the sliding frame 401, so that the support block two 404 drives the measurement block two 405 to adjust the direction, so that the measurement block two 405 adjusts the measurement direction of the tooth structure;

[0053] The outer wall of the sliding frame 401 is in sliding connection with the inner wall of the support frame 101, the outer wall of the support wheel two 402 is in contact with the outer wall of the turntable 201, and the support wheel two 402 rolls along the outer wall of the turntable 201 through friction, the support wheel two 402 is used for driving the sliding frame 401 to slide on the inner wall of the protective cover 1, during the sliding of the sliding frame 401 on the inner wall of the protective cover 1, the extension rod five 403 drives the support block two 404 to swing on the inner wall of the sliding frame 401, during the rotation of the turntable 201, the support wheel two 402 is in contact with the outer wall of the turntable 201, and is driven to roll on the outer wall of the turntable 201 through friction, and the sliding frame 401 is driven to slide on the inner wall of the protective cover 1 through the support wheel two 402, and simultaneously slides on the inner wall of the support frame 101, during the sliding of the sliding frame 401 on the inner wall of the support frame 101, the extension rod five 403 is hingedly connected with the inner wall of the support frame 101, so that the extension rod five 403 drives the support block two 404 to rotate on the inner wall of the sliding frame 401, so that the support block two 404 drives the measurement block two 405 to adjust the direction.

[0054] A 3D printed false tooth structure size measurement method, applicable to a measuring device, comprising the following steps:

[0055] S1, the printed tooth structure is placed in the support seat 203, and the clamping block 206 is supported by the telescopic rod 205, so that the clamping block 206 clamps the tooth structure, and after the tooth structure is placed, the support seat 203 is supported by the telescopic rod 202, so that the support seat 203 is connected with the spherical head in the inner wall of the rotating disc 201 through the spherical block 204, and the tooth structure is driven to adjust, so that the tooth structure is kept vertical during the measurement process. The rotating disc 201 is measured;

[0056] S2, after the tooth structure adjustment is completed, the rotating disc 201 is driven to rotate in the inner wall of the protective cover 1 by starting the motor 102, the support wheel 304 is rolled on the wave-shaped outer contour of the rotating disc 201 by rotating the rotating disc 201, the support wheel 304 drives the support seat 303 to extrude the telescopic rod 305 in the sliding groove 105, and the oscillating block 301 is driven to reciprocate, so that the measuring block 302 measures the tooth structure by the reciprocating movement of the 301;

[0057] S3, the support block 307 slides in the inner wall of the limiting rod 103 to the limiting position, the support block 307 is limited by the limiting rod 103, the telescopic rod 308 is extruded in the sliding groove 306, the oscillating block 301 is driven to produce an inclination angle, the measuring block 302 is swung towards the tooth structure, and the tooth structure is measured at multiple angles in the measuring process by changing the measuring inclination angle.

[0058] S4, during the rotation of the rotating disc 201, the support wheel 402 rolls on the outer wall of the rotating disc 201, the sliding frame 401 is driven to slide in the inner wall of the support frame 101, the telescopic rod 403 is hinged with the inner wall of the support frame 101, the telescopic rod 403 drives the support block 404 to rotate in the inner wall of the sliding frame 401, the support block 404 drives the measuring block 405 to swing, and the tooth crown is measured at multiple angles by swinging

[0059] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dimensional measuring device for a 3D-printed denture structure, comprising a protective cover (1), wherein a motor (102) is fixedly connected to the inner wall of the protective cover (1), characterized in that, The inner wall of the protective cover (1) is provided with a sliding groove (105), and a support mechanism (2) is provided inside the protective cover (1); The support mechanism (2) includes; A turntable (201) is provided with an outer wall that is rotatably connected to the inner wall of a protective cover (1) via a bearing. The outer wall of the turntable (201) is provided with a swing mechanism (3). The swing mechanism (3) includes a second support base (303). The outer wall of the second support base (303) is slidably connected to the wall of a first sliding groove (105). The inner wall of the second support base (303) is rotatably connected to a first support wheel (304) via a rotating shaft. The inner wall of the second support base (303) is hinged to a swing block (301) via a rotating shaft. The inner wall of the swing block (301) is fixedly connected to a first measuring block (302). The first support wheel (304) is used to support the second support base (303). The first measuring block (302) is used to measure the tooth structure.

2. The dimensional measuring device for a 3D printed denture structure according to claim 1, characterized in that: A motor (102) is fixedly connected to the inner wall of the protective cover (1). A support frame (101) is fixedly connected inside the protective cover (1). A limit rod (103) is fixedly connected to the inner wall of the protective cover (1). A limit block (104) is fixedly connected to the inner wall of the protective cover (1). A telescopic rod (305) is fixedly connected to the outer wall of the support base (303). The other end of the telescopic rod (305) is fixedly connected to the inner wall of the limit block (104). A spring is provided inside the telescopic rod (305) to support the support. The second support (303) provides support and drives the second support (303) to reset. The first sliding groove (105) is used to guide and limit the second support (303). The outer contour of the turntable (201) is wavy. During rotation, the second support (303) is driven to slide in the first sliding groove (105) through the first support wheel (304). The second support (303) is supported by the third telescopic rod (305), so that the second support (303) can reciprocate in the first sliding groove (105).

3. The dimensional measuring device for a 3D printed denture structure according to claim 1, characterized in that: The inner wall of the turntable (201) is hinged to a telescopic rod (202) via a ball joint. The other end of the telescopic rod (202) is hinged to the outer wall of the support base (203) via a joint. A spherical block (204) is fixedly connected to the bottom of the support base (203). The inner wall of the turntable (201) is covered and connected to the outer wall of the spherical block (204). A telescopic rod (205) is fixedly connected to the inner wall of the support base (203). A clamping block (206) is fixedly connected to the other end of the telescopic rod (205). A spring is installed inside the telescopic rod (205) to support the clamping block (206). The clamping block (206) is used to clamp the tooth structure.

4. The dimensional measuring device for a 3D printed denture structure according to claim 1, characterized in that: The outer wall of the swing block (301) is provided with a sliding groove two (306). The wall of the sliding groove two (306) is slidably connected to a support block one (307) via a slider. The outer wall of the support block one (307) is fixedly connected to a telescopic rod four (308). The other end of the telescopic rod four (308) is fixedly connected to the wall of the sliding groove two (306). The outer wall of the support block one (307) is slidably connected to the inner wall of the limiting rod (103). The telescopic rod four (308) is provided with a spring to support the support block one (307) so that the support block one (307) is reset in the groove of the sliding groove two (306). The outer wall of the support wheel one (304) contacts the outer wall of the turntable (201) and rolls along the outer wall of the turntable (201).

5. The dimensional measuring device for a 3D printed denture structure according to claim 1, characterized in that: The protective cover (1) is provided with a sliding mechanism (4). The sliding mechanism (4) includes a sliding frame (401). The bottom of the sliding frame (401) is slidably connected to the inner wall of the protective cover (1). The inner wall of the sliding frame (401) is rotatably connected to a support wheel (402) via a rotating shaft. The inner wall of the sliding frame (401) is hinged to a support block (404) via a rotating shaft. The outer wall of the support block (404) is fixedly connected to a measuring block (405). The outer wall of the support block (404) is fixedly connected to a telescopic rod (403). The outer wall of the telescopic rod (403) is rotatably connected to the inner wall of the support frame (101) via a rotating shaft. The measuring block (405) is used to measure the tooth structure.

6. The dimensional measuring device for a 3D printed denture structure according to claim 2, characterized in that: The limiting rod (103) is used to support and limit the first support block (307). The output end of the motor (102) is fixedly connected to the bottom of the turntable (201). The limiting block (104) is used to support the third telescopic rod (305). The support frame (101) is used to support and limit the fifth telescopic rod (403).

7. The dimensional measuring device for a 3D printed denture structure according to claim 3, characterized in that: The telescopic rod (202) is equipped with a spring inside, which is used to support the support seat (203) and adjust the support seat (203) so that the tooth structure is kept vertical with the turntable (201). The outer wall of the clamping block (206) is equipped with a rubber strip to increase the friction of the clamping block (206) on the tooth structure.

8. The dimensional measuring device for a 3D printed denture structure according to claim 4, characterized in that: The telescopic rod four (308) supports the support block one (307), so that the swing block (301) remains perpendicular to the support seat two (303) after being reset. When the swing block (301) slides to the limit rod (103) through the support block one (307), the swing block (301) swings with the axis of the support block one (307) as the fulcrum, so that the measuring block one (302) generates an inclination angle for measuring the tooth structure.

9. The dimensional measuring device for a 3D printed denture structure according to claim 5, characterized in that: The outer wall of the sliding frame (401) is slidably connected to the inner wall of the support frame (101). The outer wall of the second support wheel (402) contacts the outer wall of the turntable (201) and the second support wheel (402) rolls along the outer wall of the turntable (201) through friction. The second support wheel (402) is used to drive the sliding frame (401) to slide on the inner wall of the protective cover (1). During the sliding process of the sliding frame (401) on the inner wall of the protective cover (1), the telescopic rod five (403) drives the second support block (404) to swing on the inner wall of the sliding frame (401).

10. A method for measuring the dimensions of a 3D-printed denture structure, applicable to the measuring device described in any one of claims 1-9, characterized in that, Includes the following steps: S1. Place the printed tooth structure in the support base one (203) and support the clamping block (206) through the telescopic rod two (205) so that the clamping block (206) clamps the tooth structure. After the tooth structure is placed, support the support base one (203) through the telescopic rod one (202) so that the support base one (203) is connected to the ball head of the inner wall of the turntable (201) through the ball block (204) to drive the tooth structure to adjust, so that the tooth structure is kept perpendicular to the turntable (201) during the measurement process. S2. After the tooth structure adjustment is completed, the start motor (102) drives the turntable (201) to rotate on the inner wall of the protective cover (1). The rotation of the turntable (201) causes the support wheel (304) to roll on the wavy outer contour of the turntable (201). The support wheel (304) drives the support seat (303) to squeeze the telescopic rod (305) to slide in the sliding groove (105) and drive the swing block (301) to reciprocate. The measuring block (302) measures the tooth structure through the reciprocating motion of (301). S3. Support block 1 (307) slides to the limit position on the inner wall of the limiting rod (103). The limiting rod (103) limits support block 1 (307), so that support block 1 (307) squeezes telescopic rod 4 (308) to slide in the sliding groove 2 (306), which drives the swing block (301) to generate an inclination angle, so that measuring block 1 (302) swings towards the tooth structure. During the measurement process, the tooth structure can be measured at multiple angles by changing the measuring inclination angle. S4. During the rotation of the turntable (201), the support wheel 2 (402) rolls on the outer wall of the turntable (201), causing the sliding frame (401) to slide on the inner wall of the support frame (101). The telescopic rod 5 (403) is hinged to the inner wall of the support frame (101), causing the telescopic rod 5 (403) to drive the support block 2 (404) to rotate on the inner wall of the sliding frame (401), causing the support block 2 (404) to drive the measuring block 2 (405) to swing, and to perform multi-angle measurements on the crown through the swing.

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