Cutting device for miniature automatic tooth preparation in oral cavity

Abstract

The utility model discloses an intraoral miniature automatic tooth preparation cutting device which comprises a multi-shaft mechanical arm, the multi-shaft mechanical arm is fixedly installed on a base, one end of the multi-shaft mechanical arm is provided with a first installation block, the first installation block is provided with an expansion mechanism, the inner side of the expansion mechanism is provided with an adjusting mechanism, and the adjusting mechanism is connected with the multi-shaft mechanical arm. According to the device, the expansion mechanism is arranged, so that the expansion degree can be flexibly adjusted according to the size of an oral cavity and operation requirements, an operation space is provided for subsequent tooth preparation operation, the laser cutting head can reach the position of a target tooth more accurately, and the operation efficiency is improved. Meanwhile, unnecessary extrusion and damage to oral tissues are reduced, the laser cutting head can be accurately adjusted from the two dimensions of angle and position by arranging the adjusting mechanism, and the cutting accuracy and efficiency can be improved according to the shapes and positions of different teeth and the specific requirements of tooth preparation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dental cutting technical field especially relates to a cutting device of intraoral miniature automatic tooth preparation. BACKGROUND

[0002] In the field of modern dentistry, the cutting device of intraoral miniature automatic tooth preparation is a precision equipment for specific treatment of teeth. Its core function is to accurately remove part of the tooth surface through automatic cutting operation during tooth restoration and orthodontic treatment, thereby creating conditions for the installation of subsequent prosthetic bodies and the smooth development of orthodontic treatment.

[0003] The existing tooth preparation mainly relies on manual operation of traditional instruments such as dental drills by doctors. This method not only has high labor intensity, but also cannot guarantee cutting accuracy. The treatment effect is uneven due to the difference in experience and operation stability of doctors. Moreover, the existing tooth preparation device cannot provide sufficient and appropriate operation space, which makes it difficult for the laser cutting head to accurately position the target tooth position. This not only greatly reduces the efficiency of tooth preparation, but also may cause unnecessary damage to oral mucosa, gums and other tissues due to improper operation, increasing the pain of patients and affecting the subsequent treatment process. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a cutting device of intraoral miniature automatic tooth preparation to solve the technical problem that the existing tooth preparation device cannot provide sufficient and appropriate operation space, which makes it difficult for the laser cutting head to accurately position the target tooth position, greatly reduces the efficiency of tooth preparation, and may cause unnecessary damage to oral mucosa, gums and other tissues due to improper operation.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a cutting device of intraoral miniature automatic tooth preparation, comprising a multi-axis mechanical arm, the multi-axis mechanical arm is fixedly installed on the base, one end of the multi-axis mechanical arm is provided with a first mounting block, the first mounting block is provided with an expansion mechanism, the inside of the expansion mechanism is provided with an adjusting mechanism, one end of the adjusting mechanism is provided with a mounting mechanism, and the mounting mechanism is fixedly provided with a laser cutting head.

[0006] The expansion mechanism comprises an electric cylinder, the electric cylinder is fixedly installed on the first mounting block, support rods are arranged on both sides of the electric cylinder, one end of each support rod is fixedly connected with a connecting block, the connecting block is fixedly connected to the first mounting block, and the other end of each support rod is fixedly connected with a fixed seat.

[0007] The output end of the electric cylinder is fixedly connected with a connecting rod, the connecting rod slides through the fixed seat, hinged rods are hinged at both ends of the fixed seat, and connecting rods are hinged to the hinged rods.

[0008] The movable block is hingedly connected to one end of the connecting rod, and is fixedly connected to the connecting rod.

[0009] The adjusting mechanism comprises a mounting seat fixedly installed on one side of the movable block, a servo motor fixedly installed at the bottom of the mounting seat, a rotating block fixedly connected to the output end of the servo motor, the rotating block being rotatably connected to the mounting seat, an electric push rod and a bottom plate fixedly connected to one side of the rotating block, and a first mounting sleeve fixedly connected to the end of the bottom plate away from the rotating block.

[0010] One end of the electric push rod is fixedly sleeved in the first mounting sleeve, a fixed spring is arranged on the upper end of the first mounting sleeve, and the laser cutting head is clamped in the fixed spring.

[0011] The mounting mechanism comprises a second mounting block fixedly installed on the output end of the electric push rod, a through hole formed in the second mounting block, and a movable groove arranged at the bottom of the through hole.

[0012] The second mounting block is provided with a stop block at the bottom, a screw rod is arranged in the through hole, and the bottom of the screw rod is fixedly connected with a limiting rod.

[0013] The limiting rod is located in the movable groove and abuts against the stop block, the upper end of the screw rod is fixedly connected with a second mounting sleeve, and the second mounting sleeve is fixedly sleeved on the laser cutting head.

[0014] A threaded sleeve is threadedly sleeved on the screw rod, and the threaded sleeve abuts against the upper surface of the second mounting block.

[0015] The cutting device for intraoral micro automatic tooth preparation has the following advantages:

[0016] 1. The cutting device for intraoral micro automatic tooth preparation can flexibly adjust the expansion degree according to the size of the oral cavity and the operation requirement, provide an operation space for subsequent tooth preparation operation, facilitate the laser cutting head to more accurately reach the target tooth position, and reduce unnecessary extrusion and damage to the oral cavity tissue.

[0017] 2. The cutting device for intraoral micro automatic tooth preparation can accurately adjust the laser cutting head from two dimensions of angle and position, flexibly change the working posture of the laser cutting head according to the shape, position and specific requirements of tooth preparation of different teeth, and improve the accuracy and efficiency of cutting.

[0018] 3. The cutting device for intraoral micro automatic tooth preparation, through the installation mechanism, the laser cutting head can be conveniently installed or disassembled, and subsequent maintenance and cleaning are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 It is a first perspective view of the overall structure of the present application.

[0021] Figure 2 It is a second perspective view of the overall structure of the present application.

[0022] Figure 3 It is a partial structure diagram of the present application.

[0023] Figure 4 It is a partial structure diagram of the present application.

[0024] Figure 5 It is a partial structure diagram of the present application.

[0025] Figure 6 It is an installation mechanism structure explosion diagram of the present application.

[0026] Figure 7 It is an installation mechanism structure explosion diagram of the present application.

[0027] Figure 8 It is a second mounting block structure diagram of the present application.

[0028] Figure 9 It is a second mounting block structure diagram of the present application.

[0029] Marked description: 1, multi-axis mechanical arm; 11, first mounting block; 12, base; 2, expansion mechanism; 21, electric cylinder; 22, fixed seat; 23, support rod; 24, connecting block; 25, movable rod; 26, connecting rod; 27, movable block; 28, connecting rod; 29, expansion plate; 210, groove; 3, adjusting mechanism; 31, mounting seat; 32, servo motor; 33, electric push rod; 34, rotating block; 35, bottom plate; 36, first mounting sleeve; 37, fixed spring piece; 4, mounting mechanism; 41, second mounting block; 411, through hole; 412, movable slot; 413, stop block; 42, second mounting sleeve; 43, screw; 44, nut; 45, limiting rod; 5, laser cutting head. DETAILED DESCRIPTION

[0030] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0031] In the description of the embodiments of the present application, it is understood that the terms "length", "vertical", "horizontal", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0032] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0033] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0034] The following disclosure provides many different implementations or examples for different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.

[0035] To better understand the purpose, structure, and function of this utility model, the following detailed description of a miniature automatic tooth preparation cutting device for oral cavity, in conjunction with the accompanying drawings, is provided.

[0036] like Figures 1-9 As shown, the present invention discloses a cutting device for intraoral micro-automatic tooth preparation, comprising a multi-axis robotic arm 1, which is fixedly mounted on a base 12. A first mounting block 11 is mounted on one end of the multi-axis robotic arm 1. An expansion mechanism 2 is provided on the first mounting block 11. An adjustment mechanism 3 is provided inside the expansion mechanism 2. A mounting mechanism 4 is provided at one end of the adjustment mechanism 3. A laser cutting head 5 is fixed on the mounting mechanism 4.

[0037] The multi-axis robotic arm 1 is fixedly mounted on the base 12. It can move flexibly in multiple dimensions and can precisely adjust its own position and posture, thereby driving other components mounted on the first mounting block 11 to the designated position.

[0038] The expansion mechanism 2 includes an electric cylinder 21, which is fixedly mounted on the first mounting block 11. Support rods 23 are provided on both sides of the electric cylinder 21. A connecting block 24 is fixedly connected to one end of the support rod 23, and the connecting block 24 is fixedly connected to the first mounting block 11. A fixed seat 22 is fixedly connected to the other end of the support rod 23. A connecting rod 28 is fixedly connected to the output end of the electric cylinder 21. The connecting rod 28 slides through the fixed seat 22. Movable rods 25 are hinged to both ends of the fixed seat 22. A connecting rod 26 is hinged to the movable rod 25. A movable block 27 is hinged to one end of the connecting rod 26. The movable block 27 is fixedly connected to the connecting rod 28. An expansion plate 29 is provided at one end of the movable rod 25. A groove 210 is provided on the expansion plate 29.

[0039] The electric cylinder 21 is fixed on the first mounting block 11, and when the electric cylinder 21 is started, the output end thereof pushes the connecting rod 28 to move, since the connecting rod 28 is slidably penetrated through the fixed seat 22, and the movable block 27 is fixed on the connecting rod 28, the movable rod 25 hinged at both ends of the fixed seat 22 is connected with the movable block 27 through the connecting rod 26, with the movement of the connecting rod 28, the movable block 27 moves synchronously, the connecting rod 26 drives the movable rod 25 to rotate around the hinge point of the fixed seat 22, so that the expansion plate 29 at one end of the movable rod 25 is unfolded to both sides, and the recess 210 can better fit the internal structure of the oral cavity, so that the expansion of the oral cavity is realized.

[0040] The expansion mechanism 2 can flexibly adjust the expansion degree according to the size of the oral cavity and the operation requirement, provide an operation space for the subsequent tooth preparation operation, facilitate the laser cutting head 5 to more accurately reach the target tooth position, and reduce unnecessary extrusion and damage to the oral cavity tissue.

[0041] The adjusting mechanism 3 comprises a mounting seat 31 fixedly installed on one side of the movable block 27, a servo motor 32 fixedly installed at the bottom of the mounting seat 31, a rotating block 34 fixedly connected to the output end of the servo motor 32 and rotatably connected in the mounting seat 31, an electric push rod 33 and a bottom plate 35 fixedly connected to one side of the rotating block 34, a first mounting sleeve 36 fixedly connected to one end of the bottom plate 35 away from the rotating block 34, and the electric push rod 33 fixedly sleeved in the first mounting sleeve 36, and a fixed spring sheet 37 provided at the upper end of the first mounting sleeve 36 and clamping the laser cutting head 5 at one end.

[0042] The servo motor 32 is fixed at the bottom of the mounting seat 31, and when the servo motor 32 is started, the output end thereof drives the rotating block 34 to rotate in the mounting seat 31, and the electric push rod 33 and the bottom plate 35 at one side of the rotating block 34 rotate accordingly, so that the angle of the laser cutting head 5 can be adjusted, and the electric push rod 33 can be telescopic, and when it is necessary to adjust the position of the laser cutting head 5, the electric push rod 33 is telescopic to drive the laser cutting head 5 to move in position, and it should be noted that the fixed spring sheet 37 only plays a role of limiting and supporting the laser cutting head 5, and the clamping force is small, so as not to hinder the laser cutting head 5 from moving back and forth driven by the electric push rod 33.

[0043] The adjusting mechanism 3 can accurately adjust the laser cutting head 5 from two dimensions of angle and position, can flexibly change the working posture of the laser cutting head 5 according to the shape, position and specific requirements of tooth preparation of different teeth, and improve the accuracy and efficiency of cutting.

[0044] The mounting mechanism 4 comprises a second mounting block 41 fixedly mounted on the output end of the electric push rod 33, the second mounting block 41 is internally provided with a through hole 411, the bottom of the through hole 411 is provided with a movable groove 412, the bottom of the second mounting block 41 is provided with a stop block 413, the through hole 411 is internally penetrated by a screw rod 43, the bottom of the screw rod 43 is fixedly connected with a limiting rod 45, the limiting rod 45 is located in the movable groove 412 and abuts against the stop block 413, the upper end of the screw rod 43 is fixedly connected with a second mounting sleeve 42, the second mounting sleeve 42 is fixedly sleeved on the laser cutting head 5, the screw rod 43 is threadedly sleeved with a screw sleeve 44, and the screw sleeve 44 is tightly abutted against the upper surface of the second mounting block 41.

[0045] The screw rod 43 penetrates the through hole 411 of the second mounting block 41, the limiting rod 45 at the bottom of the screw rod 43 is located in the movable groove 412 and abuts against the stop block 413, so that the screw rod 43 is prevented from rotating synchronously with the screw sleeve 44, when the laser cutting head 5 is mounted, the screw rod 43 and the limiting rod 45 are inserted into the through hole 411, the limiting rod 45 is inserted into the movable groove 412, then the laser cutting head 5 is rotated to drive the limiting rod 45 to rotate synchronously, the two sides of the limiting rod 45 are abutted against the two stop blocks 413 respectively, the laser cutting head 5 no longer rotates, then the screw sleeve 44 is rotated, the screw sleeve 44 gradually approaches the second mounting block 41 through the threaded cooperation between the screw sleeve 44 and the screw rod 43, and finally the screw sleeve 44 and the limiting rod 45 are fixedly arranged on the second mounting block 41, so that the laser cutting head 5 is fixed, through the modularization, the laser cutting head 5 can be conveniently mounted or dismounted, and subsequent maintenance and cleaning are facilitated.

[0046] The working principle of the cutting device for the miniature automatic tooth preparation in the oral cavity is as follows:

[0047] Firstly, the cutting part is moved to the oral cavity position through the multi-axis mechanical arm 1, the electric cylinder 21 is started, the two expansion plates 29 are opened outward to provide space for subsequent operation, then the servo motor 32 and the electric push rod 33 are started, when the servo motor 32 is started, the output end drives the rotating block 34 to rotate in the mounting seat 31, the electric push rod 33 and the bottom plate 35 on one side of the rotating block 34 rotate, so that the angle of the laser cutting head 5 can be adjusted, the laser cutting head 5 is moved in position through the extension and retraction of the electric push rod 33, the angle and position of the laser cutting head 5 are adjusted, and the laser cutting head 5 is aligned with the tooth part to be cut, and the automatic and accurate tooth preparation and cutting work of the tooth in the oral cavity are realized through the laser cutting head 5.

[0048] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the application belong to the scope protected by the utility model.

Claims

1. An intraoral micro-robotic tooth preparation cutting device, characterized by: The utility model provides a kind of multi-axis mechanical arm (1), the multi-axis mechanical arm (1) is fixedly installed on base (12), one end of the multi-axis mechanical arm (1) is equipped with first mounting block (11), the first mounting block (11) is equipped with expansion mechanism (2), the inside of expansion mechanism (2) is equipped with adjusting mechanism (3), one end of adjusting mechanism (3) is equipped with mounting mechanism (4), and laser cutting head (5) is fixed on mounting mechanism (4).

2. The in-mouth miniature automated tooth preparation cutting device of claim 1, wherein: The expansion mechanism (2) includes an electric cylinder (21), which is fixedly installed on the first mounting block (11). The electric cylinder (21) is provided with a support rod (23) on both sides. One end of the support rod (23) is fixedly connected with a connecting block (24), and the connecting block (24) is fixedly connected to the first mounting block (11). The other end of the support rod (23) is fixedly connected with a fixed seat (22).

3. The in-mouth miniature automated tooth preparation cutting device of claim 2, wherein: The output end of the electric cylinder (21) is fixedly connected with a connecting rod (28), the connecting rod (28) slides through the fixed seat (22), and the fixed seat (22) is hingedly connected with a movable rod (25) at both ends. The movable rod (25) is hingedly connected with a connecting rod (26).

4. The in-mouth miniature automatic tooth preparation cutting device according to claim 3, characterized in that: One end of the connecting rod (26) is hingedly connected with a movable block (27), and the movable block (27) is fixedly connected to the connecting rod (28). One end of the movable rod (25) is provided with an expansion plate (29), and the expansion plate (29) is provided with a groove (210).

5. The in-mouth miniature automatic tooth preparation cutting device according to claim 4, characterized in that: The adjusting mechanism (3) includes a mounting seat (31), which is fixedly installed on one side of the movable block (27). The mounting seat (31) is fixedly installed with a servo motor (32) at the bottom. The output end of the servo motor (32) is fixedly connected with a rotating block (34), which is rotatably connected in the mounting seat (31). One side of the rotating block (34) is fixedly connected with an electric push rod (33) and a bottom plate (35). The end of the bottom plate (35) away from the rotating block (34) is fixedly connected with a first mounting sleeve (36).

6. The in-mouth miniature automatic tooth preparation cutting device according to claim 5, characterized in that: One end of the electric push rod (33) is fixedly sleeved in the first mounting sleeve (36). The first mounting sleeve (36) is provided with a fixed spring plate (37) at the upper end. One end of the laser cutting head (5) is clamped in the fixed spring plate (37).

7. The in-mouth miniature automatic tooth preparation cutting device according to claim 6, characterized in that: The mounting mechanism (4) includes a second mounting block (41), which is fixedly installed on the output end of the electric push rod (33). The second mounting block (41) is provided with a through hole (411) in the inside. The through hole (411) is provided with a movable groove (412) at the bottom.

8. The in-mouth miniature automatic tooth preparation cutting device according to claim 7, characterized in that: The second mounting block (41) is provided with a stop block (413) at the bottom. The through hole (411) is provided with a screw rod (43) penetratingly. The bottom of the screw rod (43) is fixedly connected with a limiting rod (45).

9. The in-mouth miniature automatic tooth preparation cutting device according to claim 8, characterized in that: The limiting rod (45) is located in the movable groove (412) and abuts against the stop block (413). The upper end of the screw rod (43) is fixedly connected with a second mounting sleeve (42), and the second mounting sleeve (42) is fixedly sleeved on the laser cutting head (5).

10. The in-mouth miniature automatic tooth preparation cutting device according to claim 9, characterized in that: A screw sleeve (44) is threadedly connected to the screw rod (43) and abuts against the upper surface of the second mounting block (41).

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