阅读说明：本技术 一种齿科牙模自动化生产系统及方法 (Automatic production system and method for dental model ) 是由 刘大鹏 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种齿科牙模自动化生产系统及方法,包括成型模块、转运模块、分拣模块、后处理模块；成型模块用于在打印面板上快速成型牙模,转运模块用于实现打印面板的抓取转运,分拣模块包括分拣台及分拣机构,通过分拣机构实现分拣台上牙模的逐一分拣,后处理模块用于对牙模进行后处理。本发明能够实现牙模的全自动化生产链,整个生产过程无需人工参与,节约人力及时间成本,极大地提高生产效率,大大提高隐形矫正器的生产产能,有效保证产品质量的稳定性,降低生产成本。(The invention discloses an automatic production system and method of a dental model, which comprises a forming module, a transferring module, a sorting module and a post-processing module; the shaping module is used for quick shaping tooth mould on printing the panel, transports the module and is used for realizing snatching of printing the panel and transports, and the letter sorting module includes letter sorting platform and letter sorting mechanism, through letter sorting mechanism realize letter sorting one by one of the epaxial tooth mould of letter sorting, and the aftertreatment module is used for carrying out the aftertreatment to the tooth mould. The automatic production chain of the dental cast can be realized, the whole production process does not need manual participation, the labor and time cost is saved, the production efficiency is greatly improved, the production capacity of the invisible appliance is greatly improved, the stability of the product quality is effectively ensured, and the production cost is reduced.)

1. An automatic production system for dental models is characterized by comprising a forming module, a transferring module, a sorting module and a post-processing module;

wherein the shaping module includes the 3D printer and arranges the printing panel in the 3D printer, through the shaping die of 3D printer on printing the panel, the transportation module is used for realizing snatching of printing the panel and transports, the letter sorting module includes letter sorting platform and letter sorting mechanism, realizes letter sorting one by one of the bench die of letter sorting through letter sorting mechanism, the aftertreatment module is used for carrying out the aftertreatment to the die, and it includes one or more of cleaning module, air-dry module, solidification module.

2. The automatic dental cast production system of claim 1, wherein the sorting table is provided with a limiting mechanism for limiting and fixing the printing panel.

3. The automatic dental cast production system of claim 2, wherein the limiting mechanism comprises a limiting frame for accommodating the printing panel, a corner cylinder is arranged on a side of the limiting frame, a pressing block is connected to the corner cylinder, and the pressing block is driven to rotate by the corner cylinder to realize the pressing and limiting of the printing panel.

4. The automated dental cast production system of claim 1, wherein the sorting mechanism is a sorting robot or a slide assembly.

5. The automatic dental cast production system according to claim 1, wherein the transfer module comprises a ground rail and a transfer robot arranged on the ground rail, and a front end clamp for grabbing the printing panel is arranged at a free end of the transfer robot.

6. The automatic dental cast production system of claim 1, wherein the front end fixture comprises a straight plate, a pull rod connected with the transfer robot is arranged at the center of the straight plate, telescopic cylinders are arranged at two ends of the straight plate, a piston rod of each telescopic cylinder is connected with a jaw, and the jaws are driven by the telescopic cylinders to realize grabbing of the side edge of the printing panel.

7. The automated dental cast production system of claim 1, wherein the curing module comprises a flexible conveying chain and a curing machine, and the dental cast is conveyed into the curing machine through the flexible conveying chain to realize the photocuring process.

8. The automatic dental cast production system of claim 7, wherein the flexible conveying chain is provided with a blocking sensor and a stopping mechanism, and the stopping control of the dental cast is realized by the cooperation of the blocking sensor and the stopping mechanism.

9. An automatic production method of a dental cast is characterized by comprising the following steps: through the shaping dental model of 3D printer on printing the panel, through transporting the printing panel that the module will print the completion and transport to letter sorting bench, realize letter sorting one by one of bench dental model through letter sorting mechanism to carry out aftertreatment through aftertreatment module to the dental model, aftertreatment is including one or more of washing, air-drying, solidification.

10. The method of claim 9, further comprising: and the tooth molds on the printing panel are sorted one by one through the sorting mechanism and are placed on the buffer table.

Technical Field

The invention relates to an automatic production system and method for dental casts, and belongs to the technical field of dental correction.

Background

In the prior art of preparation of invisible orthotics, the currently common manufacturing method is manual or semi-automatic. The whole manufacturing process comprises the working procedures of obtaining a digital model in a patient mouth, 3D printing a tooth model, cleaning a tooth model, curing, pressing a film, cutting, demoulding, polishing, 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 production process of the dental cast can be completed by a large amount of manual work, the degree of automation is low, the labor and time cost is high, the dependence on operators is high, the production capacity of the invisible appliance is greatly limited, the production efficiency of the invisible appliance is reduced, and the stability of the product quality cannot be guaranteed. Therefore, in view of the shortcomings of the prior art, there is a need for an automated dental cast production system and method.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects of the prior art, the invention provides an automatic production system and method of a dental model, which can realize a full-automatic production chain of the dental model, do not need manual participation in the whole production process, save labor and time cost, effectively ensure the stability of product quality and greatly improve production efficiency.

The technical scheme is as follows: in order to achieve the aim, the automatic production system of the dental model comprises a forming module, a transferring module, a sorting module and a post-processing module;

wherein the shaping module includes the 3D printer and arranges the printing panel in the 3D printer, through the shaping die of 3D printer on printing the panel, the transportation module is used for realizing snatching of printing the panel and transports, the letter sorting module includes letter sorting platform and letter sorting mechanism, realizes letter sorting one by one of the bench die of letter sorting through letter sorting mechanism, the aftertreatment module is used for carrying out the aftertreatment to the die, and it includes one or more of cleaning module, air-dry module, solidification module.

Furthermore, the sorting table is provided with a limiting mechanism for limiting and fixing the printing panel.

Furthermore, stop gear is including the spacing frame that can hold printing panel, be equipped with the corner cylinder on the side of spacing frame, be connected with the briquetting on the corner cylinder, realize printing panel's the spacing that compresses tightly through the rotation of corner cylinder drive briquetting.

Further, the sorting mechanism can adopt a sorting robot or a sliding table assembly, and a vacuum chuck and an image recognition device are arranged at the free end of the sorting mechanism so as to recognize and grab the dental cast.

Further, the transfer module includes the ground rail and arranges the transfer robot on the ground rail, the free end of transfer robot is equipped with front end anchor clamps for realize printing the automatic of panel and snatching.

Further, front end anchor clamps include a word board, the center department of a word board is equipped with the pull rod that links to each other with the robot free end, the both ends of a word board are equipped with telescopic cylinder, telescopic cylinder piston rod is connected with the jack catch, realizes snatching of printing panel side through telescopic cylinder drive jack catch.

Further, the curing module comprises a flexible conveying chain and a curing machine, and the dental model is conveyed into the curing machine through the flexible conveying chain so as to realize photocuring treatment.

Furthermore, a blocking sensor and a blocking mechanism are arranged on the flexible conveying chain, and blocking and stopping control of the tooth molds is achieved through the matching of the blocking sensor and the blocking mechanism, so that excessive stacking on the flexible conveying chain is avoided.

In addition, there is also a dental cast automatic production method, comprising: through the shaping dental model of 3D printer on printing the panel, through transporting the printing panel that the module will print the completion and transport to letter sorting bench, realize letter sorting one by one of bench dental model through letter sorting mechanism to carry out aftertreatment through aftertreatment module to the dental model, aftertreatment is including one or more of washing, air-drying, solidification.

Further, the method further comprises: the dental casts on the printing panel are sorted one by one through the sorting mechanism and placed on the buffer table so as to provide space for stacking and arranging the dental casts.

Has the advantages that: compared with the prior art, the automatic production system and method for the dental cast provided by the invention have the following advantages:

1. the automatic production chain of the dental cast can be realized, the whole production process does not need manual participation, the labor and time cost is saved, the production capacity of the invisible appliance is greatly improved, the stability of the product quality is effectively ensured, and the production cost is reduced.

2. Through transporting robot cooperation front end anchor clamps and realizing printing the automatic transportation of panel between a plurality of processing modules, realize then using printing the batch dental cast machine-shaping of panel as the unit, greatly improve production efficiency, realize automated control.

Drawings

The present invention will be further described and illustrated with reference to the following drawings.

FIG. 1 is a schematic overall structure of a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure of a printing panel in a preferred embodiment of the present invention;

FIG. 3 is a schematic structural view of a front end clamp in a preferred embodiment of the present invention;

FIG. 4 is a schematic structural view of a spacing mechanism in a preferred embodiment of the present invention;

the figure includes: 1. 3D printer, 2, printing panel, 3, ground rail, 4, transfer robot, 5, wash the pond, 6, letter sorting platform, 7, buffer platform, 8, triaxial slip table, 9, flexible conveying chain, 10, block the sensor, 11, full material sensor, 12, keep off the mechanism, 13, solidification machine, 14, transfer roller, 15, cylindricality hole, 16, pull rod, 17, a board, 18, telescopic cylinder, 19, jack catch, 20, spacing frame, 21, corner cylinder, 22, briquetting.

Detailed Description

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

Fig. 1 shows a preferred embodiment of an automatic dental model production system, which comprises a forming module, a transferring module, a sorting module and a post-processing module;

the forming module comprises a plurality of 3D printers 1 and a printing panel 2 arranged in the 3D printers, and the 3D printers are used for quickly forming the dental model on the printing panel according to task requirements; the transfer module comprises a ground rail 3 and a transfer robot 4 arranged on the ground rail 3 and is used for realizing grabbing and transferring of the printing panel 2; the sorting module comprises a sorting table 6 and a sorting mechanism, and the tooth molds on the sorting table 6 are sorted one by one through the sorting mechanism; the post-processing module is used for performing post-processing on the dental model, and the post-processing comprises one or more of cleaning, air drying and curing.

In this embodiment, the post-processing module comprises a cleaning module and a curing module, wherein the cleaning module comprises a plurality of cleaning pools 5 for cleaning the dental model on the printing panel 2 for multiple times; the curing module comprises a flexible conveying chain and a curing machine 13, the dental model after being sorted is conveyed to the curing machine 13 through the flexible conveying chain, and then the photo-curing of the dental model is realized through the curing machine 13.

Further, the shaping module, the letter sorting module, the cleaning module are arranged along ground rail 3, and the transfer of printing panel 2 between shaping module, cleaning module and letter sorting module is realized through the slip of transfer robot 4 along ground rail 3.

Further, conveying rollers 14 are arranged at the feeding end and the discharging end of the curing machine 13, and are used for realizing feeding and discharging conveying of the dental model.

As shown in fig. 2, the printing panel 2 is preferably a rectangular panel, and the printing panel 2 is provided with densely-arranged cylindrical holes 15 to reduce weight and contact area.

Because the period of 3D printing dental cast is longer, for effectively improving shaping efficiency, can adopt the subregion to print in turn and go up unloading, realize the high-efficient linking between each process. Each printing area corresponds a printing panel, and a limiting block is arranged around the edge of each printing area, so that the division of the printing areas in the 3D printer and the limiting placement of the printing panels 2 are realized.

Further, the free end of transferring the robot is connected with the front end anchor clamps that are used for snatching the printing panel, in addition can also adopt material modes such as collet, sucking disc.

As shown in fig. 3, the front end fixture includes a straight plate 17, a pull rod 16 connected to the free end of the robot is disposed in the center of the straight plate 17, telescopic cylinders 18 are disposed at two ends of the straight plate 17, a piston rod of each telescopic cylinder 18 is connected to a jaw 19, and the jaws 19 are driven by the telescopic cylinders 18 to grasp the side edge of the printing panel 2.

Further, be equipped with on the jack catch 19 with the draw-in groove of printing panel 2 looks adaptation to realize the jack catch and the block of printing the panel side, guarantee to print the stability that the panel transported. A buffer layer, such as a rubber layer, can be arranged in the clamping groove, and a tooth pattern structure can be arranged on the rubber layer to increase friction force.

Further, a linear slide rail is arranged between the telescopic cylinder 18 and the clamping jaw 19, a piston rod of the telescopic cylinder 18 is connected with the clamping jaw 19 through a sliding block, and the clamping stability of the clamp is improved through the matching of the sliding block and the slide rail.

Furthermore, the sorting table 6 is provided with a limiting mechanism for limiting and fixing the printing panel on the sorting table 6.

As shown in fig. 4, the limiting mechanism includes a limiting frame 20 for accommodating the printing panel 2, a corner cylinder 21 is arranged on a side edge of the limiting frame 20, a pressing block 22 is connected to the corner cylinder 21, and the pressing block 22 is driven to rotate by the corner cylinder 21 to realize the pressing and limiting of the printing panel 2.

Furthermore, the side of the limiting frame 20 is further provided with a groove matched with the front end clamp, so that the front end clamp can stretch into the limiting frame 20 to carry out loading and unloading.

Further, the sorting module further comprises a buffer storage table 7 arranged next to the sorting table 6, and the buffer storage table is used for realizing buffer storage placement of the tooth models after sorting so as to provide space for stacking arrangement of the tooth models.

Further, the sorting mechanism comprises a three-axis sliding table 8 arranged between the sorting table 6 and the cache table 7, and the output end of the three-axis sliding table 8 is provided with a vacuum chuck and an image recognition device (not shown in the figure). Visual positioning and dental cast identification are realized through the image identification device, and then suction and transfer of the dental cast are realized through the vacuum chuck.

In this embodiment, the flexible conveying chain 9 extends from the discharge end of the sorting module to the feed end of the curing machine 13, two buffer areas are arranged on the flexible conveying chain 9, the buffer areas are a first buffer area and a second buffer area along the conveying direction, and each buffer area is provided with a group of buffer sensors and a blocking mechanism 12.

Further, the blocking mechanism 12 comprises a blocking support and a blocking cylinder, the blocking cylinder is installed through the blocking support, a baffle is connected to a piston rod of the blocking cylinder, and the blocking cylinder drives the baffle to achieve blocking control of the dental cast.

Further, the buffer sensor comprises a blocking sensor 10 and a full material sensor 11, the blocking and stopping control of the dental cast is realized through the cooperation of the blocking sensor 10 and the blocking and stopping mechanism 12, and a buffer area is formed between the full material sensor 11 and the blocking sensor 10.

When the filling sensor 11 and the blocking sensor 10 of a buffer area both sense the dental cast (i.e. the sensing time lasts for the set time), it indicates that the buffer area is full.

Therefore, the control method of the flexible conveying chain comprises the following steps: after the curing machine 13 has fed materials, the stopping mechanism 12 in the second cache area starts stopping the materials until the curing machine 13 continues feeding materials after blanking; when the second cache area is full of materials, the stopping mechanism 12 of the first cache area stops materials until the second cache area is not full of materials, and feeding is continued; when the buffer area is full, the sorting mechanism stops feeding the flexible conveying chain 9 until the buffer area is not full.

In addition, there is also a dental cast automatic production method, comprising the steps of:

s1, rapidly forming a dental model on the printing panel 2 through the 3D printer 1, and then sequentially transferring the printing panel 2 which is printed into the cleaning pool 5 through the transfer robot 4 for cleaning;

s2, transferring the cleaned printing panel 2 to a sorting table 6 through a transfer robot 4, sorting the tooth molds on the printing panel 2 one by one through a sorting mechanism, and conveying the tooth molds to a flexible conveying chain 9;

s3, the dental model is conveyed into the curing machine 13 through the flexible conveying chain 9, and the photo-curing treatment of the dental model is realized.

Further, the step S2 further includes: the tooth molds on the printing panel 2 are sorted one by one through the sorting mechanism and are placed on the buffer table 7, and then the tooth molds on the buffer table 7 are sent into the flexible conveying chain through the sorting mechanism.

Specifically, when the first buffer area is full of material, the tooth molds on the printing panel 2 are temporarily stored on the buffer table 7 through the sorting mechanism, and when the first buffer area is not full of material, the tooth molds on the buffer table 7 are sent to the flexible conveying chain 9 through the sorting mechanism.

Because the tooth mould forming is carried out in batch, the tooth moulds are piled up in the sorting and curing stage, the buffer table 7 provides a space for piling and arranging the tooth moulds, and the flexible control of conveying the tooth moulds is realized through the flexible conveying chain, so that the problems that the curing units are fully loaded to work and the upstream process of the curing units is continuously fed due to the fact that a feedback mechanism is lacked to split the processing units are solved, and automatic linkage control is realized.

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. The scope of the invention is defined by the claims.