CN113211816A

CN113211816A - Tooth appliance separation device and separation method

Info

Publication number: CN113211816A
Application number: CN202110488588.XA
Authority: CN
Inventors: 刘大鹏
Original assignee: Nanjing Jiahe Dental Technology Co ltd
Current assignee: Nanjing Jiahe Dental Technology Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-08-06

Abstract

The invention provides a tooth appliance separating device and a tooth appliance separating method, which comprise a correction module, a bearing module, a limiting module and a driving module, wherein the correction module comprises a tooth jaw model to be separated and a tooth appliance, the limiting module is arranged around the bearing module and used for realizing elastic capture and limiting of the edge of the appliance, and the driving module is used for driving the bearing module and the limiting module to move relatively to generate separating force to realize separation of the appliance and the tooth jaw model. The invention adopts at least two limiting modules to realize the elastic limiting of the edge of the appliance, effectively avoids the unnecessary damage to the correcting module caused by rigid contact, further realizes the automatic separation of the appliance and the tooth jaw model by generating separating force through the relative movement of the bearing module and the limiting modules, greatly improves the production capacity of the invisible appliance, and reduces the dependence and uncertainty of artificial production.

Description

Tooth appliance separation device and separation method

Technical Field

The invention relates to a tooth appliance separation device and a tooth appliance separation method, and belongs to the technical field of tooth correction.

Background

At present, the common manufacturing mode of the invisible orthodontic appliance is manual or semi-automatic, and the whole manufacturing process comprises the procedures of obtaining an intraoral digital model of a patient, 3D printing a dental model, cleaning and curing, hot-pressing a membrane, edge cutting, separating the orthodontic appliance, cleaning, inspecting, packaging and the like. And the semi-automatic manufacturing only realizes mechanical production by some of the procedures, and both the two manufacturing modes need manual work.

In the preparation process, the diaphragm is pressed on the dental model with uneven surface shape in a hot-press forming mode, so that the appliance is difficult to peel off from the dental model. In order to prevent the appliance from deforming in the separation process, high requirements on the separation force and the operation skill of an operator are required, the labor and time cost is high, the instability is high, the controllability is poor, the tooth socket is easy to pollute through manual operation, and the burden of subsequent cleaning operation and the corresponding cost are increased.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects of the prior art, the invention provides a tooth appliance separation device and a separation method, at least two limiting modules are adopted to realize elastic limiting of the edge of the appliance, unnecessary damage to the correcting modules caused by rigid contact is effectively avoided, and then separation force is generated by relative movement of the bearing module and the limiting modules to realize automatic separation of the appliance and a tooth jaw model, so that the production capacity of the invisible appliance is greatly improved, and the dependence and uncertainty of artificial production are reduced.

The technical scheme is as follows: in order to achieve the purpose, the tooth appliance separating device comprises a correction module, a bearing module, a limiting module and a driving module, wherein the bearing module is used for bearing the correction module, the correction module comprises a tooth jaw model to be separated and a tooth appliance, the limiting module is arranged around the bearing module and used for achieving elastic capture and limiting of the edge of the appliance, and the driving module is used for driving the bearing module and the limiting module to move relatively to generate separating force to achieve separation of the appliance and the tooth jaw model.

The driving mode of the driving module comprises the following steps: 1) driving the limit module to move to generate a separating force; 2) driving the bearing module to move to generate a separating force; 3) the bearing module and the limiting module are driven to move together to generate a separating force together. The above modes can generate separating force to realize the separation of the appliance and the dental model.

Furthermore, in order to ensure the stability of the separation process, at least two limiting modules are arranged around the bearing module and distributed on the labial side of the dental jaw model, so that the tooth appliance is prevented from being inclined in the separation process, and incomplete separation is caused.

Further, spacing module includes flexible subassembly and locating part, through flexible subassembly drive locating part and the elastic contact who corrects the module, and then realize correcting the seizure at ware edge spacing, avoids the rigid contact to cause the unnecessary damage to correcting the module.

Further, for the elasticity of realizing correcting the ware edge catches, the spacing mode of spacing module includes following two kinds: a. the limiting member or the telescopic assembly adopts an elastic element, for example: the limiting part adopts a spring piece, a rubber rod and the like, or the telescopic component adopts a spring cylinder and the like; b. the limiting member is elastically connected with the telescopic assembly, such as a compression spring, a gas spring and the like. Adopt above-mentioned elasticity to catch the mode and can effectively avoid the damage to correcting the module when guaranteeing spacing requirement.

Furthermore, the bearing module comprises a bearing table, and a positioning assembly is arranged on the bearing table and used for realizing bearing and positioning of the correction module.

Furthermore, a reset assembly is arranged at the bottom of the bearing table and used for realizing the movement reset of the bearing table.

Furthermore, in order to improve separation efficiency and stability, the tooth jaw model is provided with a plurality of guide grooves below the edge of the appliance, so that the edge of the appliance above the guide grooves can be captured and limited, and the phenomenon that the spacing part and the tooth jaw model slide transversely in the separation process to influence the separation efficiency is avoided.

Furthermore, the separating device also comprises a blanking module used for realizing grabbing blanking of the separated orthodontic appliance and the dental model.

In addition, there is a dental appliance separating method including: the correcting module is arranged on the bearing module and comprises a tooth jaw model to be separated and a tooth correcting device, elastic capture and limiting of the edge of the correcting device are achieved through a limiting module arranged around the bearing module, and then the bearing module and the limiting module are driven by the driving module to move relatively to generate separating force to achieve separation of the correcting device and the tooth jaw model.

Has the advantages that: compared with the prior art, the tooth appliance separation device and the tooth appliance separation method provided by the invention have the following advantages: 1. adopt two at least spacing modules to realize correcting the elasticity at ware edge spacing, can realize correcting the high-efficient seizure at ware edge, can fully avoid rigid contact to cause the damage to correcting the module again, effectively improve and correct ware separation efficiency.

2. The relative motion through bearing module and spacing module produces the separation power and realizes correcting the autosegregation of ware and tooth jaw model, and whole production process need not artifical the participation, and degree of automation is high, improves the production productivity that ware was corrected to stealthy greatly, and separator's form is various simultaneously, can satisfy different production requirements, is favorable to promoting and using.

Drawings

FIG. 1 is a schematic view of an overall structure of an appliance separation device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a tip of a thimble according to an embodiment of the present invention;

FIG. 3 is a schematic view of a guide groove of a middle jaw model according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a spring pellet configuration in accordance with a second embodiment of the present invention;

FIG. 5 is a top view of a spring plate configuration according to a second embodiment of the present invention;

the figure includes: 1. the dental jaw correcting device comprises a bearing table, 2, a correcting module, 2-1, a dental jaw model, 2-2, a guide groove, 3, a mounting seat, 4, an ejector pin, 5, a cylinder barrel, 6, an ejector rod, 7, a pressure spring, 8, a linear module, 9, a linear sliding seat, 10, a spring pressing sheet, 11, an adjusting plate, 12, a rack, 13, a pressing die cylinder, 14, a pressing module, 15, a guide rod, 16, a reset spring, 17 and a fixing seat.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained below with reference to the description of the specific embodiments of the present invention in conjunction with the accompanying drawings.

Example one

As shown in fig. 1, a separation device for a dental appliance comprises an orthodontic module 2, a carrying module, a limiting module and a driving module, wherein the carrying module is used for carrying the orthodontic module 2, and the orthodontic module 2 comprises a jaw model 2-1 to be separated and a dental appliance; the limiting module is arranged around the bearing module and used for realizing elastic capture and limiting of the edge of the appliance; the driving module is used for driving the bearing module and the limiting module to move relatively to generate a separating force to realize the separation of the appliance and the dental model 2-1.

Further, spacing module includes flexible subassembly and locating part, drives the elastic contact of locating part and correction module 2 through flexible subassembly, and then realizes correcting the seizure at ware edge spacing.

For realizing the elastic capture at the edge of the appliance, the limiting mode of the limiting module comprises the following two modes: a. the limiting member or the telescopic assembly adopts an elastic element, for example: the limiting part adopts a spring piece, a rubber rod and the like, or the telescopic component adopts a spring cylinder and the like; b. the limiting member is elastically connected with the telescopic assembly, such as a spring connection. Adopt above-mentioned elasticity spacing mode, can realize correcting the high-efficient seizure at ware edge, can fully avoid rigid contact to cause the damage to correcting the module again.

This embodiment adopts the spacing mode of second kind elasticity, specifically includes: the flexible subassembly includes sharp module 8, sharp slide 9, the locating part adopts thimble 4 structure, be equipped with mount pad 3 on the sharp slide 9, be equipped with cylinder 5 on the mount pad 3, wear to establish ejector pin 6 in the cylinder 5, ejector pin 4 is fixed in the front end of ejector pin 6, the cover is equipped with pressure spring 7 on the ejector pin 6, an elastic connection for realizing ejector pin 6 and mount pad 3, through the slip of sharp module 8 drive sharp slide 9, and then realize thimble 4 and the elastic contact and the automatic seizure of correcting the ware edge.

As shown in fig. 2, in order to avoid unnecessary scratching, the tip of the thimble 4 may be provided with a buffer cambered surface, such as a spherical surface, an elliptical spherical surface, etc., and the upper side of the buffer cambered surface may be cut into a plane or may be provided with a serrated groove. The cutting plane can increase the contact area of the thimble and the edge of the appliance, so that the limiting stability is improved, and the sawtooth groove is convenient for realizing the automatic capture of the edge of the appliance.

Furthermore, in order to ensure the stability of the separation process, at least two limiting modules are arranged around the bearing module and distributed on the labial side (preferably in the directions of molars on two sides and middle incisors) of the dental model 2-1 so as to avoid the tooth appliance from inclining in the separation process and causing incomplete separation.

As shown in fig. 3, in order to improve the separation efficiency and stability, the dental model 2-1 is provided with a plurality of guiding grooves 2-2 located below the edge of the appliance, so that the edge of the appliance above the guiding grooves 2-2 can be captured and limited, and the situation that the limit part and the dental model slide transversely in the separation process to affect the separation efficiency is avoided. The guide groove can be in a strip shape, a fan shape or an inverted funnel shape, can be formed by 3D printing together with the dental model, and can also be formed by cutting after the dental model is formed.

In order to realize the separation of correcting the ware and the tooth jaw model, the drive mode of drive module includes: 1) driving the limit module to move to generate a separating force; 2) driving the bearing module to move to generate a separating force; 3) the bearing module and the limiting module are driven to move together to generate separating force together, so that the appliance and the dental model are separated.

The embodiment adopts a second driving method, which specifically includes: the bearing module comprises a bearing table 1, and a positioning assembly is arranged on the bearing table 1 and used for realizing bearing and positioning of the correction module 2; the drive module includes moulding-die cylinder 13, pressure module 14, and moulding-die cylinder 13 passes through frame 12 to be installed in plummer 1 top, and pressure module 14 is connected in moulding-die cylinder 13's piston rod bottom, presses the tooth jaw model on the pressure-feed platform 1 through moulding-die cylinder 13 drive pressure module 14, and then produces the separation that separation force realized correcting the ware and tooth jaw model.

Furthermore, the bottom of the bearing table 1 is provided with a reset assembly, the reset assembly comprises a fixed seat 17, a guide rod 15 and a reset spring 16, the guide rod 15 is connected to the bottom of the bearing table 1 and used for ensuring the bearing table to move up and down along the inner wall of the fixed seat 17, and the reset spring 16 is sleeved on the guide rod 15 and used for realizing the movement reset of the bearing table; the top of the fixed seat 17 is provided with a limit ring for limiting the height of the bearing table.

In other embodiments, the driving module can be directly arranged at the bottom of the bearing platform to realize the driving control of the bearing platform, and then the dental appliance and the dental model are separated by driving the dental model to move in an adsorption or other fixing modes.

In addition, the tooth appliance separation method based on the separation device comprises the following steps:

arrange correction module 2 in plummer 1 on and realize the location, through the elastic contact of sharp module 8 drive thimble 4 with correction module 2, and then realize thimble 4 spacing to the seizure of correcting the ware edge, then push down tooth jaw model 2-1 center department (center department does not have and corrects the ware cover) through moulding-die cylinder 13 drive pressure diaphragm, make it descend along fixing base 17 inner wall, the decline in-process because it is spacing to correct the ware edge and caught by thimble 4, can't follow the decline of tooth jaw model, thereby produce the separating force and realize correcting the separation of ware and tooth jaw model, can realize the unloading of catching of correcting ware and tooth jaw model through arm or other transport mechanism after accomplishing the separation.

Example two

Different from the first embodiment, the first elastic limiting manner is adopted in the present embodiment, and specifically includes: as shown in fig. 4 and 5, the limiting member is of a spring pressing piece 10 structure, so that elastic contact is realized, the stressed area of the edge of the appliance is effectively increased, and single-point damage is reduced; an adjusting plate 11 is arranged below the spring pressing plate 10 and used for realizing limiting support of the spring pressing plate 10 so as to avoid limiting failure caused by overlarge deformation; spring preforming 10 and adjusting plate 11 pass through mount pad 3 and arrange on flexible subassembly, and spring preforming 10 and adjusting plate 11 are adjustable in the position on mount pad 3 to the adaptation is rescued the ware edge shape, optimizes the edge atress, effectively improves separation efficiency.

The above detailed description merely describes preferred embodiments of the present invention and does not limit the scope of the invention. Without departing from the spirit and scope of the present invention, it should be understood that various changes, substitutions and alterations can be made herein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a separation device for tooth appliance, its characterized in that, includes correction module, bears the weight of module, spacing module and drive module, wherein bear the weight of the module and be used for bearing correction module, correction module is including treating tooth jaw model and the tooth appliance of separation, spacing module is arranged around bearing the weight of the module for realize correcting the elasticity capture and spacing at appliance edge, drive module is used for driving to bear the weight of module and spacing module relative motion production separating force and realizes correcting the separation of ware and tooth jaw model.

2. The separation device for dental appliance of claim 1, wherein the at least two limiting modules are distributed on the labial side of the dental model.

3. The separation device for dental appliance of claim 1, wherein the limiting module comprises a telescopic component and a limiting component, and the limiting component is driven by the telescopic component to elastically contact with the straightening module, so as to capture and limit the edge of the appliance.

4. The appliance of claim 3, wherein the stop or the expansion element is an elastic element.

5. The appliance separation device of claim 3, wherein the stop member is resiliently coupled to the expansion assembly.

6. The separation device for dental appliance of claim 1, wherein the carrier module comprises a carrier platform, and the carrier platform is provided with a positioning assembly for positioning the orthodontic module.

7. The dental appliance separation device of claim 6, wherein the bottom of the bearing platform is provided with a reset component for realizing the movement reset of the bearing platform.

8. The device of claim 1, wherein the dental model has longitudinal guide slots below the edge of the appliance.

9. The device for separating a dental appliance according to claim 1, further comprising a blanking module for realizing grabbing blanking of the separated dental appliance and the dental model.

10. A method of separating a dental appliance, comprising: the correcting module is arranged on the bearing module and comprises a tooth jaw model to be separated and a tooth correcting device, elastic capture and limiting of the edge of the correcting device are achieved through a limiting module arranged around the bearing module, and then the bearing module and the limiting module are driven by the driving module to move relatively to generate separating force to achieve separation of the correcting device and the tooth jaw model.