CN108620829B - Production process of orthodontic bracket - Google Patents
Production process of orthodontic bracket Download PDFInfo
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- CN108620829B CN108620829B CN201810459166.8A CN201810459166A CN108620829B CN 108620829 B CN108620829 B CN 108620829B CN 201810459166 A CN201810459166 A CN 201810459166A CN 108620829 B CN108620829 B CN 108620829B
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- bracket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/14—Brackets; Fixing brackets to teeth
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Mechanical Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Aiming at the defect that the processing efficiency is lower by independently processing each orthodontic bracket in the prior art, the invention provides a production process of the orthodontic bracket, the production process comprises the steps of firstly roughly processing a bracket blank, then further finely processing the bracket blank, simultaneously producing a plurality of orthodontic brackets on one bracket blank, simultaneously processing bracket wings, arch wire grooves and other parts of the orthodontic brackets on the same bracket blank, not separately processing the orthodontic brackets in one oral cavity, greatly improving the production efficiency, adopting a wire cutting machine tool, a common milling machine tool and other common machine tools for rough processing, reducing the production cost and improving the production efficiency, adopting a CNC (computerized numerical control) processing center to further finely process the rough processed bracket blank, leading the finally produced orthodontic bracket to have higher precision and meeting the use requirement, simultaneously, the outer surface of the orthodontic bracket also has higher surface finish.
Description
Technical Field
The invention belongs to the technical field of orthodontic bracket production, and particularly relates to an orthodontic bracket production process.
Background
The orthodontic appliances are tools for correcting the regularity of teeth, and play an important role in the correction of teeth. The tooth unscrambler generally comprises orthodontic bracket, support groove bottom plate, correction steel wire, and orthodontic bracket welds at the support groove bottom plate back, and the correction steel wire sets up in orthodontic bracket's of oral cavity recess, when producing orthodontic bracket of oral cavity, needs the recess of installation correction steel wire of processing on orthodontic bracket of oral cavity. In the prior art, two methods for producing orthodontic brackets generally exist, namely powder metallurgy; secondly, the orthodontic bracket is produced by cutting and processing the orthodontic bracket by adopting a CNC (computerized numerical control) processing center or a linear cutting machine, and the two modes are basically to process each orthodontic bracket independently, so that the processing efficiency of the processing mode is lower. A CNC numerical control machine tool of a CNC machining center is a Computer numerical control machine tool (Computer numerical control) for short, and is an automatic machine tool controlled by a program, and the control system can logically process a program specified by a control code or other symbolic instructions, and decode the program by a Computer, so that the machine tool executes a specified action, and a blank material is machined into a semi-finished product part by cutting with a tool. The orthodontic bracket produced by the CNC machining center has higher precision, but the CNC machining center has lower production efficiency and very high use cost, and the wire cutting machine tool has higher production efficiency and lower use cost, but the produced orthodontic bracket has lower precision, when the orthodontic bracket is used, the abrasion between the chamfering positions at two sides of the bottom of the arch wire groove and the straightening steel wire can be caused, so that the straightening steel wire moves towards the bottom of the groove, the structure of the dental appliance is unstable and easy to loosen, the dental appliance is not beneficial to the tooth straightening, and simultaneously, the smooth finish of the outer surface of the bracket produced by directly adopting the wire cutting machine tool is lower,
disclosure of Invention
Aiming at the defect that the processing efficiency is low because each orthodontic bracket is processed independently in the prior art, the invention provides the production process of the orthodontic bracket, the production process comprises the steps of firstly roughly processing a bracket blank, then further finely processing the bracket blank, and simultaneously producing a plurality of orthodontic brackets on one bracket blank, so that the production process has high production efficiency, and the produced orthodontic bracket has high precision and surface smoothness through the fine processing.
The produced orthodontic bracket has high precision and good surface finish, and compared with a CNC machining center used in the whole process, the invention has lower production cost and higher production efficiency.
The invention aims to be realized by the following technical scheme: a production process of an orthodontic bracket comprises the following steps:
step a: adopt plate-shaped structure's steel as the production work piece, the support groove blank of rectangular bar structure is taken rough machining out in the upper end of production work piece, support the groove blank and keep certain machining allowance, surely go out appearance and the size that needs processing, the blank material allowance that can the feedback line cutting specifically keeps how much more suitable CNC process, support the groove blank material and be fit for doing how many products need demonstrate with actual processing at all, the blank support groove that the processing was come out has the support groove wing of orthodontic bracket in the oral cavity, the bow wire groove and the basic profile of orthodontic bracket in the oral cavity.
Step b: setting groove marks and cutting groove marks on the bracket wings of the bracket blank along the length direction of the bracket blank, wherein the groove marks and the cutting groove marks are arranged in a staggered mode in sequence; in subsequent processing, the grooves on the orthodontic brackets need to be cut out and the adjacent orthodontic brackets need to be separated, so that the positions of the grooves and the cutting positions of the adjacent orthodontic brackets need to be positioned.
Step c: finely milling the upper surfaces of the bracket wings along the length direction of the bracket blank; the surface finish of the upper surface of the bracket wing can be improved by finely milling the upper surface of the bracket wing.
Step d: carrying out groove drawing finish machining on the arch wire groove of the bracket blank along the length direction of the bracket blank; although the archwire slot on the bracket blank which is roughly processed has the shape of the archwire slot, the precision of the archwire slot is poor, and the precision of the archwire slot can be improved by carrying out slot-drawing finish machining on the archwire slot, so that the produced archwire slot reaches the precision requirement.
Step e: respectively cutting the groove and the cutting groove on the orthodontic bracket with the outlet cavity along the length direction of the bracket blank according to the groove mark and the cutting groove mark, so that the bracket blank is provided with individual orthodontic brackets, the lower end of each orthodontic bracket is fixedly connected with the bracket blank body, and the depth of the cutting groove is greater than that of the groove;
step f: cutting the joint of the bracket blank main body and the orthodontic bracket to separate the orthodontic bracket from the bracket blank to form the independent orthodontic bracket.
Preferably, in the step e, all the grooves are sequentially cut along the length direction of the bracket blank according to the groove marks, then all the cutting grooves are sequentially cut along the length direction of the bracket blank according to the cutting groove marks, or all the cutting grooves are sequentially cut along the length direction of the bracket blank according to the cutting groove marks, then all the grooves are sequentially cut along the length direction of the bracket blank according to the groove marks, or the grooves and the cutting grooves are sequentially and alternately cut along the length direction of the bracket blank according to the groove marks and the cutting groove marks.
Preferably, a step g is further provided between step e and step f: finely machining the connection positions of the two side surfaces of the bracket blank and the lower surface of the bracket wing along the length direction of the bracket blank; carry out the finish machining to this position along the length direction who holds in the palm the groove blank, the side that the orthodontic bracket that makes follow-up production come out has higher finish with holding in the palm groove wing junction, need not to carry out the finish machining to solitary orthodontic bracket once more, can promote machining efficiency.
Preferably, a step h is further provided between the step g and the step f: and (4) performing single-line processing on the V-shaped groove at the bottom of the groove on each single orthodontic bracket.
Preferably, a step i is further provided between step h and step f: the sides of each orthodontic bracket are finished along the length of the bracket blank.
Preferably, the sequence of step b, step c, step d, and step g can be interchanged.
Preferably, the step a includes: a plurality of bracket blanks roughly machined at the upper end of a production workpiece are mutually parallel.
Preferably, the step a further comprises the steps of machining the upper end of the production workpiece into an inclined plane, and then roughly machining the arch wire groove and the bracket wing. Finished orthodontic bracket's bow wire groove is the tilt state for orthodontic bracket's support groove wing upper surface, and for practical processing is more convenient, on the preset production work piece planar gradient, only need process out vertical bow wire groove when practical processing can, it is lower to process the requirement, and can improve production efficiency.
Preferably, step a is performed on a wire cutting machine; in the step b, a small conical cutter is used for setting a groove mark and a cutting groove mark on a bracket groove wing of the bracket blank along the length direction of the bracket blank; in the step c, a ball head cutter is used for finely milling the upper surface of the supporting groove wing; d, performing groove drawing finish machining on the arch wire groove of the bracket blank by using a saw blade milling cutter; cutting the grooves and the cutting grooves by using a saw blade milling cutter in the step e; in the step f, a flat bed knife or a linear cutting machine is used for cutting and processing the lower end of each orthodontic bracket on the bracket blank; in the step g, a doctor blade cutter is used for finely machining the connecting positions of the two side surfaces of the bracket blank and the lower surface of the bracket wing; in the step h, a small conical cutter is used for processing a single line of the V-shaped groove; and (5) finishing the side surface of each orthodontic bracket in the step i by using a flat bed knife.
In the production process of the whole orthodontic bracket, the processing of the bracket wings and the arch wire groove can occupy more time, and the bracket blank is roughly processed by adopting a linear cutting machine, so that the production efficiency can be improved.
Preferably, the small conical cutter, the ball head cutter, the saw blade milling cutter, the flat bed cutter and the scraping cutter are controlled by a CNC machining center.
Preferably, the machining allowance of each surface of the bracket blank after rough machining in the step a is 0.08-0.13 mm.
Compared with the prior art, the invention has the following beneficial effects: in the process of producing the orthodontic bracket, a plurality of orthodontic brackets can be processed on the same bracket blank, bracket wings, arch wire grooves and other parts of the orthodontic brackets on the same bracket blank can be respectively processed in a centralized way, the orthodontic brackets do not need to be independently processed one by one, the production efficiency can be greatly improved, and the orthodontic brackets are processed roughly and then finely, so that the processing precision is ensured, the use requirement is met, and the outer surface of the orthodontic bracket has higher surface finish.
Drawings
FIG. 1 is a schematic structural view of a bracket blank machined by the present invention;
FIG. 2 is a schematic structural view of a bracket blank with grooves and cutting grooves machined;
reference numerals: 1. bracket blank, 2, arch wire groove, 3, bracket wing, 4, groove mark, 5, cutting groove mark, 6, groove, 7, cutting groove, 8, V type groove.
Detailed Description
Example 1
The invention will be further described with reference to the embodiments shown in figures 1-2:
a production process of an orthodontic bracket comprises the following steps:
step a: the upper end of the production workpiece is roughly processed into a plurality of parallel bracket blanks 1 with strip-shaped structures, because the upper surface of the bracket wing 3 of the finished orthodontic bracket for the oral cavity is in an inclined state, the upper plane gradient of the production workpiece is preset for more convenience of actual processing, only the vertical arch wire groove 2 needs to be processed in actual processing, the requirement on processing is lower, and the production efficiency can be improved. The machining allowance reserved on each surface of the bracket blank 1 is 0.08-0.13mm, the blank allowance capable of being cut by a feedback line in the actual machining process is particularly suitable for a CNC (computer numerical control) process, one bracket blank 1 is suitable for how many products need to be demonstrated by actual machining, and the machined bracket blank 1 is provided with a bracket wing 3, an arch wire groove 2 and a basic outline of an oral orthodontic bracket of the oral orthodontic bracket. In the production process of the orthodontic bracket of the whole oral cavity, the processing of the bracket wings 3 and the arch wire grooves 2 can occupy more time, and the bracket blank 1 is roughly processed by adopting a linear cutting machine tool, so that the production efficiency can be improved.
Step b: the bracket blank 1 is installed on a clamp of a CNC (computer numerical control) machining center, a small conical cutter is operated by the CNC machining center to machine grooves 6, marks 4 and cutting grooves 7, marks 5 are machined on bracket wings 3 of the bracket blank 1 along the length direction of the bracket blank 1, the grooves 6, the marks 4 and the cutting grooves 7, the marks 5 are both in a hole-shaped structure, and the grooves 6, the marks 4 and the cutting grooves 7, the marks 5 are sequentially arranged in a staggered mode; in subsequent processing, the groove 6 on the orthodontic bracket of the oral cavity needs to be cut and the adjacent orthodontic bracket needs to be separated, so the position of the groove 6 and the cutting-off position of the adjacent orthodontic bracket need to be positioned.
Step c: finely milling the upper surface of the bracket wing 3 along the length direction of the bracket blank 1 by a CNC machining center operating D1mm ball head cutter; the upper surface of the bracket wing 3 is finely milled by using a D1mm ball head cutter, so that the processing efficiency and the higher surface finish of the upper surface of the bracket wing 3 can be ensured under the condition that the allowance of the bracket blank 1 is smaller.
Step d: operating a saw blade milling cutter through a CNC machining center to perform groove drawing finish machining on the arch wire groove 2 of the bracket blank 1 along the length direction of the bracket blank 1; although the archwire slot 2 on the bracket blank 1 which is roughly processed has the shape of the archwire slot 2, the precision of the archwire slot 2 is poor, and the precision of the archwire slot 2 can be improved by carrying out slot drawing and finish processing on the archwire slot 2, so that the produced archwire slot 2 reaches the precision requirement. Utilize CNC machining center's the 360 degrees rotatory advantages of revolving stage C axle that directly drive, use the professional saw bit milling cutter of certain thickness to carry out the broaching finish machining to bow wire groove 2, can guarantee certain machining efficiency, the precision and the smooth finish of processing can be guaranteed again to CNC machining center simultaneously.
Step e: all the grooves 6 are cut in sequence along the length direction of the bracket blank 1 according to the marks 4 of the grooves 6 by operating a saw blade milling cutter through a CNC machining center, and then all the cutting grooves 7 are cut in sequence along the length direction of the bracket blank 1 according to the marks 5 of the cutting grooves 7. Forming independent orthodontic brackets on the bracket blank 1, wherein the lower ends of the orthodontic brackets are fixedly connected with the main body of the bracket blank 1, and the depth of the cutting groove 7 is greater than that of the groove 6;
step g: finely machining the connecting positions of the two side surfaces of the bracket blank 1 and the lower surface of the bracket wing 3 along the length direction of the bracket blank 1 by operating a scraping blade cutter through a CNC machining center; carry out the finish machining to this position along the length direction who holds in the palm groove blank 1, the side that makes the orthodontic bracket of follow-up production out has higher finish with holding in the palm groove wing 3 junction, need not to carry out the finish machining to solitary orthodontic bracket once more, can promote machining efficiency.
Step h: the small conical cutter is operated by a CNC machining center to perform single-line machining on the V-shaped groove 8 at the bottom of the groove 6 on each independent orthodontic bracket, namely the small conical cutter is used for machining the V-shaped groove 8 at the bottom of the groove 6.
Step i: the side of each orthodontic bracket is finished along the length direction of the bracket blank 1 by operating a flat bed knife through a CNC machining center.
Step f: the connecting part of the bracket blank 1 and the orthodontic bracket main body is cut and processed by operating the flat bed knife through the CNC machining center, so that the orthodontic bracket is separated from the bracket blank 1 to form an independent orthodontic bracket.
In the actual processing process, the sequence among the step b, the step c, the step d and the step g can be interchanged according to actual requirements.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (5)
1. A production process of an orthodontic bracket comprises the following steps:
step a: adopting steel with a plate-shaped structure as a production workpiece, and roughly machining a bracket blank (1) with a strip-shaped structure at the upper end of the production workpiece by using a linear cutting machine, wherein the bracket blank is provided with an arch wire groove (2) and a bracket wing (3);
step b: placing the bracket blank into a CNC machining center, and setting groove marks (4) and cutting groove marks (5) on a bracket groove wing of the bracket blank along the length direction of the bracket blank by using a small conical cutter controlled by the CNC machining center, wherein the groove marks and the cutting groove marks are arranged in a staggered mode in sequence;
step c: controlling a ball head cutter to finish-mill the upper surface of the bracket wing along the length direction of the bracket blank by using a CNC (computerized numerical control) machining center;
step d: controlling a saw blade milling cutter by using a CNC (computerized numerical control) machining center to perform groove drawing and finish machining on the arch wire groove of the bracket blank along the length direction of the bracket blank;
step e: controlling a saw blade milling cutter to cut a groove (6) and a cutting groove (7) on the orthodontic bracket of the oral cavity along the length direction of the bracket blank according to the groove mark and the cutting groove mark by using a CNC (computerized numerical control) machining center, so that the bracket blank is provided with the individual orthodontic brackets, the lower ends of the orthodontic brackets are fixedly connected with a bracket blank main body, and the depth of the cutting groove is greater than that of the groove;
step g: controlling a doctor blade cutter by using a CNC (computerized numerical control) machining center to finish the connecting part of the two side surfaces of the bracket blank and the lower surface of the bracket wing along the length direction of the bracket blank;
step h: controlling a small conical cutter by using a CNC (computerized numerical control) machining center to perform single-line machining on a V-shaped groove (8) at the bottom of a groove on each single orthodontic bracket;
step i: controlling a flat-bottomed knife by using a CNC (computerized numerical control) machining center to finish the side surface of each orthodontic bracket along the length direction of the bracket blank;
step f: the CNC machining center is used for controlling the flat bed knife or the bracket blank is arranged on the linear cutting machine tool, the linear cutting machine tool is used for cutting and machining the joint of the bracket blank and the orthodontic bracket main body, and the orthodontic bracket is separated from the bracket blank to form an independent orthodontic bracket.
2. The process for producing an orthodontic bracket as claimed in claim 1, wherein in the step e, all the grooves are sequentially cut along the length direction of the bracket blank according to the groove marks, then all the cutting grooves are sequentially cut along the length direction of the bracket blank according to the cutting groove marks, or all the cutting grooves are sequentially cut along the length direction of the bracket blank according to the cutting groove marks, then all the grooves are sequentially cut along the length direction of the bracket blank according to the groove marks, or the grooves and the cutting grooves are sequentially and alternately cut along the length direction of the bracket blank according to the groove marks and the cutting groove marks.
3. The process for producing orthodontic brackets as claimed in claim 1, wherein the sequence of the steps b, c, d and g can be interchanged.
4. The process for producing orthodontic brackets as claimed in claim 1, wherein the step a comprises: a plurality of bracket blanks roughly machined at the upper end of a production workpiece are mutually parallel.
5. The process for producing orthodontic brackets as claimed in claim 1, wherein the step a further comprises machining the upper end of the work piece into an inclined plane and then roughing the archwire slot and bracket wings at the upper end of the work piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459166.8A CN108620829B (en) | 2018-05-15 | 2018-05-15 | Production process of orthodontic bracket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459166.8A CN108620829B (en) | 2018-05-15 | 2018-05-15 | Production process of orthodontic bracket |
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| CN108620829A CN108620829A (en) | 2018-10-09 |
| CN108620829B true CN108620829B (en) | 2020-11-10 |
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| CN201810459166.8A Active CN108620829B (en) | 2018-05-15 | 2018-05-15 | Production process of orthodontic bracket |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1190272A (en) * | 1997-01-31 | 1998-08-12 | 冲电气工业株式会社 | Method of manufacturing semiconductor device |
| CN202657949U (en) * | 2012-05-09 | 2013-01-09 | 中国科学院上海技术物理研究所 | Blended three-dimensional neuron probe array structure |
| CN203542678U (en) * | 2013-11-15 | 2014-04-16 | 浙江雄泰光伏科技有限公司 | EVA cutting device for solar cell panel |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541506A1 (en) * | 1985-11-23 | 1987-05-27 | Harodent Kfo Dental Vertrieb G | ORTHODONT DEVICE |
| US4819316A (en) * | 1987-07-29 | 1989-04-11 | Rmo, Inc. | Method of making a pre-adjusted orthodontic bracket assembly |
| CN1108887C (en) * | 2000-12-22 | 2003-05-21 | 王秀和 | Forming process of rolling hand clippers blank |
| WO2003101333A1 (en) * | 2002-05-31 | 2003-12-11 | Ormco Corporation | Providing custom orthodontic treament with appliance components from inventory |
| EP2881075A1 (en) * | 2013-12-06 | 2015-06-10 | 3M Innovative Properties Company | A method of making customized orthodontic brackets |
| CN107052714A (en) * | 2017-03-24 | 2017-08-18 | 陈建文 | A kind of processing method of tooth rectification bracket |
| CN106984946A (en) * | 2017-03-24 | 2017-07-28 | 陈建文 | A kind of grooving method of tooth rectification bracket |
-
2018
- 2018-05-15 CN CN201810459166.8A patent/CN108620829B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190272A (en) * | 1997-01-31 | 1998-08-12 | 冲电气工业株式会社 | Method of manufacturing semiconductor device |
| CN202657949U (en) * | 2012-05-09 | 2013-01-09 | 中国科学院上海技术物理研究所 | Blended three-dimensional neuron probe array structure |
| CN203542678U (en) * | 2013-11-15 | 2014-04-16 | 浙江雄泰光伏科技有限公司 | EVA cutting device for solar cell panel |
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| CN108620829A (en) | 2018-10-09 |
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