CN111529104A - Digitalization method for manufacturing polyether-ether-ketone support on planting rod clamp - Google Patents

Digitalization method for manufacturing polyether-ether-ketone support on planting rod clamp Download PDF

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Publication number
CN111529104A
CN111529104A CN202010423615.0A CN202010423615A CN111529104A CN 111529104 A CN111529104 A CN 111529104A CN 202010423615 A CN202010423615 A CN 202010423615A CN 111529104 A CN111529104 A CN 111529104A
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China
Prior art keywords
power supply
resistor
bracket
electrode
planting
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Granted
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CN202010423615.0A
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CN111529104B (en
Inventor
牛东平
赵创
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Beijing Liaison Dental Technology Co Ltd
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Beijing Liaison Dental Technology Co Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0004—Computer-assisted sizing or machining of dental prostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0006—Production methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/08—Artificial teeth; Making same
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0089—Implanting tools or instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/14—Macromolecular materials
    • A61L27/18—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G06T7/0006—Industrial image inspection using a design-rule based approach
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G06T7/001—Industrial image inspection using an image reference approach
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2430/00—Materials or treatment for tissue regeneration
    • A61L2430/12—Materials or treatment for tissue regeneration for dental implants or prostheses

Abstract

The invention provides a digital method for manufacturing a polyether-ether-ketone support on a planting pole clamp, which comprises the following steps: pretreating the conventionally finished planting rod model; scanning the planting rod model by using a dental model scanner to obtain model STL data; determining edge lines of the planting rod model by using design software, wherein the thickness of the edge lines is set to be a first preset thickness, and the edge lines are connected into a circle point by point; the thickness of the bracket is set to be a second preset thickness; generating stent data above the rod of a second preset thickness by using design software; free support extending parts are added on two sides of the support by using design software, so that the support strength of the denture is enhanced; processing the bracket by using a polyether-ether-ketone material according to the bracket data of the design software; and (5) detecting and repairing. The invention directly manufactures the polyetheretherketone bracket on the planting rod for friction retention, does not need a third bracket, occupies smaller space, is convenient for tooth arrangement, and has low manufacturing cost, high speed and softer and controllable retention effect.

Description

Digitalization method for manufacturing polyether-ether-ketone support on planting rod clamp
Technical Field
The invention relates to the field of manufacturing and processing of dental implant dentures, in particular to a digital method for manufacturing a polyether-ether-ketone bracket on an implant rod clamp, which can be used for implanting removable cover dentures.
Background
The denture is a general term for a prosthesis made after partial or all teeth of the upper and lower jaws are lost in medicine. The implant rod clamping type covered denture is mainly used for patients without teeth or with upper and lower half-mouth missing teeth, and compared with the traditional denture, the implant rod clamping type covered denture has good retention and good chewing function, and greatly improves the life quality of the patients with missing teeth.
The manufacturing method of the oral implant denture in the prior art mainly comprises the steps of manufacturing a layer of gold deposition crown with the thickness of 0.4 mm on an implant rod by using a gold deposition technology, and performing friction retention, and has the main defects of high cost, high technical difficulty and risk of deposition failure, and a wax pattern is cast on the implant rod to manufacture a third bracket and bond the third bracket and the gold deposition crown, so that the space occupied is large.
Disclosure of Invention
The invention provides a digital method for manufacturing a polyether-ether-ketone support on a planting pole clamp, which is used for solving the technical problem.
A digital method for manufacturing a polyetheretherketone stent on a planting pole clamp comprises the following steps:
step 1: pretreating the conventionally finished planting rod model;
step 2: scanning the planting rod model by using a dental model scanner to obtain model STL data;
and step 3: determining edge lines of the planting rod model by using design software, wherein the thickness of the edge lines is set to be a first preset thickness, and the edge lines are connected into a circle point by point; the thickness of the bracket is set to be a second preset thickness;
and 4, step 4: generating stent data above the rod of a second preset thickness by using design software;
and 5: free support extending parts are added on two sides of the support by using design software, so that the support strength of the denture is enhanced;
step 6: processing the bracket by using a polyether-ether-ketone material according to the bracket data of the design software; and (5) detecting and repairing.
Preferably, in step 2, the first predetermined thickness is set to 0.5 mm, and the second predetermined thickness is set to 0.5 mm.
Preferably, the pretreatment in step 1 comprises: filling and leveling the planting screw hole with wax; and spraying a layer of scanning powder on the planting rod model.
Preferably, the processing the stent by using the peek material according to the stent data of the design software includes: and performing cutting programming operation on the designed support data, and controlling a machine tool to cut the polyether-ether-ketone material to manufacture the support.
Preferably, the detecting and repairing includes: and (4) carrying out precision fitting and fitting by using the planting rod, and gradually processing a small amount of unqualified fitting until the support and the planting rod are completely closed.
Preferably, in the step 6, performing precision fitting try-on and gradually processing by a small amount until the support and the planting rod are completely closed further includes: detecting by a detection device;
the detection device includes: the camera is connected with the computer;
the camera shoots the cut workpiece and transmits the shot image to the computer;
the computer preprocesses the image and extracts the edge of the workpiece outline to obtain a workpiece outline curve, the computer stores a standard outline curve corresponding to the qualified workpiece image, and the computer compares and matches the workpiece outline curve segments with the standard outline curve;
the computer judges whether the form and position tolerance of the key point is within the form and position tolerance range according to the comparison matching result, and displays the form and position tolerance of the key point;
and performing the small amount of processing according to the display result, and selecting a small amount of processing mode.
Preferably, the polyetheretherketone material comprises the following components in percentage by weight:
60-70% of polyether-ether-ketone, 5-10% of calcium silicate, 2-5% of paraffin, 2-5% of binder, 2-5% of antibacterial agent, 2-5% of organic carbon, 6-10% of organic solvent, 1-5% of polytetrafluoroethylene, 5-10% of hydroxyl phosphorus lime and 5-10% of magnesium oxide.
Preferably, the step-by-step small amount of processing until the bracket is completely sealed with the planting rod comprises the following steps: and (5) grinding.
Preferably, the step 6 machine tool includes:
a position sensor provided on a cutting tool or a tool holder of a machine tool;
the pressure sensor is arranged in a groove of a clamping end of a workpiece clamp of the machine tool;
the controller is connected to the machine tool;
the alarm, the position sensor and the pressure sensor are respectively and electrically connected with the controller;
the lathe is connected with power supply circuit, power supply circuit includes:
the negative electrode of the main power supply is grounded;
the anode of the diode is connected with the cathode of the main power supply;
one end of the second capacitor is connected with the anode of the main power supply, and the other end of the second capacitor is connected with the cathode of the diode;
one end of the first resistor is connected with the anode of the main power supply, and the other end of the first resistor is connected with the cathode of the diode;
the negative input end of the operational amplifier is connected with the cathode of the diode, and the power supply end of the operational amplifier is connected with the anode of the main power supply;
the first end of the third resistor is connected with the positive input end of the operational amplifier, and the second end of the third resistor is grounded;
one end of the second resistor is connected with the first end of the third resistor and the positive input end of the operational amplifier;
the drain electrode of the first field effect transistor is connected with the other end of the second resistor, and the grid electrode of the first field effect transistor is connected with the output end of the operational amplifier;
the grid electrode of the second field effect transistor is connected with the output end of the operational amplifier and the grid electrode of the first field effect transistor, and the source electrode of the second field effect transistor is connected with the positive electrode of the main power supply;
the drain electrode of the second field effect transistor is connected with the source electrode of the first field effect transistor and the anode of the auxiliary battery, and the cathode of the auxiliary battery is grounded and is connected with the negative power supply end of the machine tool and the cathode of the power supply of the controller;
one end of a coil of the relay is connected with the positive electrode of the main power supply, the other end of the coil of the relay is grounded, a first contact of the relay is connected with the positive electrode of the main power supply, and a second contact of the relay is connected with the drain electrode of the second field effect transistor;
one end of the switch is connected with the third contact of the relay;
one end of the integrated chip is connected with the other end of the switch, and the other end of the integrated chip is connected with a positive power supply end of the machine tool;
the pressure sensor is connected with the controller through a signal transmission circuit, and the signal transmission circuit comprises:
one end of the sixth resistor is connected with the output end of the pressure sensor, and the other end of the sixth resistor is connected with the first power supply;
a first end of the fifth resistor is connected with the output end of the pressure sensor, and a second end of the fifth resistor is connected with the controller;
one end of the first capacitor is connected with the second end of the fifth resistor, and the other end of the first capacitor is grounded;
one end of the fourth resistor is connected with the output end of the pressure sensor;
the base electrode of the first transistor is connected with the other end of the fourth resistor, and the emitting electrode of the first transistor is connected with the first power supply;
the base electrode of the second transistor is connected with the collector electrode of the first transistor, and the emitter electrode of the second transistor is connected with the first power supply;
one end of the seventh resistor is connected with the base electrode of the second crystal triode, and the other end of the seventh resistor is grounded;
the emitter of the third transistor is connected with the first power supply, and the collector of the third transistor is connected with the controller;
and one end of the eighth resistor is connected with the second power supply, and the other end of the eighth resistor is connected with the base electrode of the third triode.
Preferably, the rod model placement fixture in step 2 is scanned, and the fixture comprises:
a U-shaped bracket;
the two ends of the rotating shaft are rotatably connected with the two opposite sides of the U-shaped bracket, and the rotating shaft is provided with a mounting plane;
the mounting shell is fixedly connected to one side of the U-shaped bracket;
the driving motor is positioned in the mounting shell, and an output shaft of the driving motor is fixedly connected with one end of the rotating shaft;
the periphery of the mounting rack is provided with a plurality of positioning mark holes, and the lower end of the mounting rack is fixedly connected to the mounting plane;
the two mounting blocks are arranged on the inner side of the first mounting frame at intervals up and down;
the middle part of the first connecting rod is rotatably connected with the middle part of the second connecting rod, one end of the same side of the first connecting rod and the second connecting rod is respectively rotatably connected with the two mounting blocks, and the first connecting rod is connected with the second connecting rod through a telescopic rod;
the two first clamping plates are respectively arranged on one sides of the first connecting rods and the second connecting rods, which are far away from the mounting block;
the threaded through holes are formed in one side, far away from the mounting block, of the mounting frame;
the threaded rods are correspondingly connected in the threaded through holes one by one;
the second clamping plates are correspondingly connected to one ends of the threaded rods, which are positioned on the inner side of the mounting rack;
the first clamping plate and the second clamping plate are provided with elastic layers at clamping ends, and magnets are embedded in the elastic layers.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of the present invention.
Fig. 2 is a schematic structural view of the fixing device of the present invention.
FIG. 3 is a circuit diagram of the present invention.
In the figure: 1. a fixing device; 11. a U-shaped bracket; 12. a rotating shaft; 13. installing a shell; 14. a drive motor; 15. a mounting frame; 151. positioning the marking hole; 16. mounting blocks; 17. a first connecting rod; 18. a second connecting rod; 19. a first clamping plate; 110. a second clamping plate; 111. a threaded rod; 112. a telescopic rod; r1, a first resistor; r2, a second resistor; r3, third resistor; r4, fourth resistor; r5, fifth resistor; r6, sixth resistor; r7, seventh resistor; r8, eighth resistor; c1, a first capacitance; c2, a second capacitor; u1, operational amplifier; u2, integrated chip; v1, a first power supply; v2, second power supply; q1, the first transistor; q2, second transistor; q3, third transistor; q4, a first field effect transistor; q5, a second field effect transistor; d1, a diode; K. a switch; J. a relay.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
The embodiment of the invention provides a digital method for manufacturing a polyetheretherketone bracket on a planting bar card, as shown in figure 1,
the method comprises the following steps:
step 1: pretreating the conventionally finished planting rod model;
step 2: scanning the planting rod model by using a dental model scanner to obtain model STL data;
and step 3: determining edge lines of the planting rod model by using design software, wherein the thickness of the edge lines is set to be a first preset thickness, and the edge lines are connected into a circle point by point; the thickness of the bracket is set to be a second preset thickness; the design software is the existing denture design software, such as CAD software;
and 4, step 4: generating stent data above the rod of a second preset thickness by using design software;
and 5: free support extending parts are added on two sides of the support by using design software (particularly, the free support extending parts are added by using related accessories (drawing tools) of the design software), so that the supporting strength of the false tooth is enhanced;
step 6: processing the bracket by using a polyether-ether-ketone material according to the bracket data of the design software; and (5) detecting and repairing.
The working principle and the beneficial effects of the technical scheme are as follows: polyetheretherketone (PEEK) is a novel plastic material, has compression resistance, slip resistance and creep resistance at high temperature, has the compression strength and the elastic modulus close to those of cortical bone and dentin, and has excellent biocompatibility.
The invention directly manufactures the polyetheretherketone bracket on the planting rod for friction retention, does not need a third bracket, occupies smaller space, is convenient for tooth arrangement, and has low manufacturing cost, high speed and softer and controllable retention effect.
Can solve the following problems: at present, a layer of gold deposition crown with the thickness of 0.4 mm is manufactured on a planting rod by using a gold deposition technology for friction retention, and the problems that the cost is too high, the technical difficulty is high, the risk of deposition failure exists, and a wax pattern is required to be cast on the planting rod to manufacture a third support and the gold deposition crown for bonding, so that the occupied space is large are solved.
In one embodiment, the first predetermined thickness in step 2 is set to 0.5 mm, and the second predetermined thickness is set to 0.5 mm.
The beneficial effects of the above technical scheme are: the above parameters are reasonable, the occupied space can be reduced, and the tooth arrangement is convenient.
In one embodiment, the step 1 preprocessing comprises: filling and leveling the planting screw hole with wax; and spraying a layer of scanning powder on the planting rod model.
The beneficial effects of the above technical scheme are: filling and leveling the planting screw hole with wax, being convenient for scan, spraying scan powder, preventing the planting rod from reflecting light when the planting rod is made of metal material, and being convenient for scan accurately.
In one embodiment, the processing the stent using a peek material according to the stent data of the design software includes: and performing cutting programming operation on the designed support data, and controlling a machine tool to cut the polyether-ether-ketone material to manufacture the support.
The beneficial effects of the above technical scheme are: the numerical control machine tool has the following advantages: various complex parts are clamped at one time, various procedures such as drilling, milling, boring, expanding, reaming, rigid tapping and the like can be finished, and the integration degree is high; the processing speed is high; the processing precision is high; is a flexible and high-efficiency automatic machine tool.
In one embodiment, the detecting and reworking comprises: and (4) carrying out precision fitting and fitting by using the planting rod, and gradually processing a small amount of unqualified fitting until the support and the planting rod are completely closed.
The beneficial effects of the above technical scheme are: carry out the precision fit with planting the pole and try on, have the convenient advantage of detection, and the follow-up examination of being more convenient for is worn qualified, avoids measuring size error.
In one embodiment, said step 6 of trying with the planting rod with precision fit and gradually processing a small amount until the bracket is completely fit with the planting rod further comprises: detecting by a detection device;
the detection device includes: the camera is connected with the computer;
the camera shoots the cut workpiece and transmits the shot image to the computer;
the computer preprocesses the image and extracts the edge of the workpiece outline to obtain a workpiece outline curve, the computer stores a standard outline curve corresponding to the qualified workpiece image, and the computer compares and matches the workpiece outline curve segments with the standard outline curve;
the computer judges whether the form and position tolerance of the key point is within the form and position tolerance range according to the comparison matching result, and displays the form and position tolerance of the key point;
and performing the small amount of processing according to the display result, and selecting a small amount of processing mode, wherein the small amount of processing can be preferably performed by grinding processing or numerical control machine processing.
The working principle of the technical scheme is as follows: in the technical scheme, the cut workpiece is shot by the camera and is transmitted to the computer; the computer preprocesses the image, extracts the edge of the workpiece outline to obtain a workpiece outline curve, stores a standard outline curve corresponding to the qualified workpiece image, and compares and matches the workpiece outline curve segment with the standard outline curve; the computer judges whether the form and position tolerance of the key point is within the form and position tolerance range according to the comparison matching result, and displays the form and position tolerance of the key point; and performing the small amount of processing according to the display result, and selecting a small amount of processing mode.
The beneficial effects of the above technical scheme are: set up above-mentioned detection device and have the advantage that detection effect is good for accurate unqualified work piece size that detects provides the basis for follow-up reprocess, and the processing of being convenient for is accurate, and reduces the number of times of reprocessing.
In one embodiment, the polyetheretherketone material comprises the following components in percentage by weight:
60-70% of polyether-ether-ketone, 5-10% of calcium silicate, 2-5% of paraffin (preferably refined paraffin), 2-5% of binder, 2-5% of antibacterial agent, 2-5% of organic carbon, 6-10% of organic solvent, 1-5% of polytetrafluoroethylene, 5-10% of hydroxyl-phosphorous lime and 5-10% of magnesium oxide.
The beneficial effects of the above technical scheme are: the calcium silicate has the effects of high strength, antibiosis, mildew resistance, ageing resistance and corrosion resistance, the paraffin can resist ageing and increase flexibility, and the antibacterial agent is used for antibiosis; hydroxyapatite (HAP) is the main inorganic component of human and animal bones. It can realize chemical bond combination with organism tissue on interface, has certain solubility in vivo, can release ions harmless to organism, can participate in vivo metabolism, has stimulation or induction effect on hyperosteogeny, can promote the repair of defective tissue, and shows bioactivity; the technical scheme can improve the comprehensive performance of the bracket and prolong the service life.
In one embodiment, the step 6 machine tool comprises:
a position sensor provided on a cutting tool or a tool holder of a machine tool;
the pressure sensor is arranged in a groove of a clamping end of a workpiece clamp of the machine tool;
the controller is connected to the machine tool;
the alarm, the position sensor and the pressure sensor are respectively and electrically connected with the controller;
the lathe is connected with power supply circuit, power supply circuit includes:
the negative electrode of the main power supply is grounded;
the anode of the diode D1 is connected with the cathode of the main power supply;
one end of the second capacitor C2 is connected with the positive electrode of the main power supply, and the other end of the second capacitor C2 is connected with the negative electrode of the diode D1;
one end of the first resistor R1 is connected with the positive electrode of the main power supply, and the other end of the first resistor R1 is connected with the negative electrode of the diode D1;
the negative input end of the operational amplifier U1 is connected with the negative electrode of the diode D1, and the power supply end is connected with the positive electrode of the main power supply;
a first end of the third resistor R3 is connected with the positive input end of the operational amplifier U1, and a second end is grounded;
a second resistor R2, one end of which is connected to the first end of the third resistor R3 and the positive input end of the operational amplifier U1;
the drain electrode of the first field effect transistor Q4 is connected with the other end of the second resistor R2, and the grid electrode of the first field effect transistor Q4 is connected with the output end of the operational amplifier U1;
a second field effect transistor Q5, the grid electrode of which is connected with the output end of the operational amplifier U1 and the grid electrode of the first field effect transistor Q4, and the source electrode of the second field effect transistor Q5 is connected with the positive electrode of the main power supply;
the drain electrode of the second field effect transistor Q5 is connected with the source electrode of the first field effect transistor Q4 and the positive electrode of the auxiliary battery, and the negative electrode of the auxiliary battery is grounded and is connected with the negative power supply end of the machine tool and the negative power supply end of the controller;
one end of a coil of the relay J is connected with the positive electrode of a main power supply, the other end of the coil of the relay J is grounded, a first contact of the relay J is connected with the positive electrode of the main power supply, and a second contact of the relay J is connected with the drain electrode of a second field effect transistor Q5;
one end of the switch K is connected with a third contact of the relay J;
one end of the integrated chip U2 is connected with the other end of the switch K, and the other end of the integrated chip U2 is connected with a positive power supply end of the machine tool; the integrated chip is a chip integrated with a voltage stabilizing function, and preferably, an overvoltage and overcurrent protection circuit can also be integrated.
The pressure sensor is connected with the controller through a signal transmission circuit, and the signal transmission circuit comprises:
one end of the sixth resistor R6 is connected with the output end of the pressure sensor, and the other end of the sixth resistor R6 is connected with the first power supply V1; the above R6 is used to stabilize the output signal.
A first end of the fifth resistor R5 is connected with the output end of the pressure sensor, and a second end of the fifth resistor R5 is connected with the controller;
one end of the first capacitor C1 is connected with the second end of the fifth resistor R5, and the other end is grounded;
one end of the fourth resistor R4 is connected with the output end of the pressure sensor;
a base electrode of the first transistor Q1 is connected with the other end of the fourth resistor R4, and an emitting electrode of the first transistor Q1 is connected with a first power supply V1;
a base electrode of the second transistor Q2 is connected with a collector electrode of the first transistor Q1, and an emitter electrode of the second transistor Q2 is connected with a first power supply V1;
one end of the seventh resistor R7 is connected with the base electrode of the second transistor Q2, and the other end is grounded;
the emitter of the third transistor Q3 is connected with the first power supply V1, and the collector of the third transistor Q3 is connected with the controller;
the eighth resistor R8 has one end connected to the second power source V2 and the other end connected to the base of the third transistor Q3. The controller can be an industrial personal computer or a controller of the existing numerical control machine;
the working principle and the beneficial effects of the technical scheme are as follows: the position sensor is used for detecting the position information of the cutter and transmitting the position information to the controller, and the pressure sensor is used for detecting the clamping force information of the workpiece and transmitting the clamping force information to the controller; the controller compares the position information with a preset processing track (or position range), and when the position of the cutter exceeds the position range, the controller controls an alarm to give an alarm; the controller is preset with a pressure standard value, and when the pressure value corresponding to the pressure information is greater than the pressure standard value, the controller controls the alarm to give an alarm;
the power supply circuit can realize voltage stabilization through U2, C2 and D1, and the design of U1, Q3 and Q4 ensures that the auxiliary battery can be charged when the main power supply normally works and the auxiliary battery is low in voltage; when the relay is not electrified, as shown in fig. 3, the third contact and the first contact are closed, the power supply of the auxiliary battery is realized, the power supply of the auxiliary battery can be automatically switched when the main power supply is powered off, and the phenomenon that the machining of the bracket is influenced and the safety risk exists due to the sudden power off of the machine tool is avoided. In the signal transmission circuit, C1 is used for filtering, R5 and C1 are used for detecting short circuit, Q1, Q2, R7 and R4 are used for detecting open circuit, Q3 and R8 are used for detecting whether the power supply of the pressure sensor is normally powered, and the circuit ensures that the pressure sensor works reliably.
In one embodiment, as shown in figure 2,
in the step 2, the model of the implanted rod is placed in the fixing device 1 for scanning (for example, the fixing device is placed in a rotating disc of a scanning device), and the fixing device 1 comprises:
a U-shaped bracket 11;
the two ends of the rotating shaft 12 are rotatably connected with two opposite sides of the U-shaped bracket 11, and a mounting plane is arranged on the rotating shaft 12;
the mounting shell 13 is fixedly connected to one side of the U-shaped bracket 11;
the driving motor 14 is positioned in the mounting shell 13, and an output shaft of the driving motor 14 is fixedly connected with one end of the rotating shaft 12;
the periphery of the mounting frame 15 is provided with a plurality of positioning mark holes 151, and the lower end of the mounting frame 15 is fixedly connected to the mounting plane;
two mounting blocks 16, which are arranged at the inner side of the mounting frame 15 at intervals up and down;
the middle part of the first connecting rod 17 is rotatably connected with the middle part of the second connecting rod 18, and one end of the same side of the first connecting rod 17 and the second connecting rod 18 is respectively rotatably connected with the two mounting blocks 16; the first connecting rod 17 and the second connecting rod 1 are connected through a telescopic rod 112, preferably, the telescopic rod 112 is a manual telescopic rod;
two first clamping plates 19 respectively arranged on one sides of the first connecting rod 17 and the second connecting rod 18 far away from the mounting block 16;
the threaded through holes are formed in one side, far away from the mounting block 16, of the mounting frame 15;
the threaded rods 111 are connected in the threaded through holes in a one-to-one correspondence manner;
the second clamping plates 110 are correspondingly connected to one ends of the threaded rods 111, which are positioned on the inner side of the mounting frame 15;
the clamping ends of the first clamping plate 19 and the second clamping plate 110 are provided with elastic layers, and magnets are embedded in the elastic layers.
The working principle and the beneficial effects of the technical scheme are as follows: during scanning in the step 2, the planting rod model is firstly placed in the fixing device for scanning, so that the planting rod model is convenient to mount.
Among the above-mentioned fixing device, to plant the pole model and install in the mounting bracket, rotate through driving motor, drive the rotation axis and rotate, further adjust the angle of mounting bracket, plant pole model adjustment angle in the drive mounting bracket, can realize multi-angle scanning as required, have the accurate and convenient advantage of scanning. The periphery of the mounting frame 15 is provided with a plurality of positioning mark holes 151 which can be used as a positioning reference for scanning, so that scanning positioning and data processing are facilitated. When the device is used, the upper end and the lower end of the planting rod are placed on the two first clamping plates, the telescopic rod can be manually operated, the angles of the first connecting rod and the second connecting rod can be adjusted, so that the planting rod clamp can be preliminarily positioned, the positioning is convenient, the planting rod clamps with different vertical dimensions can be conveniently clamped, and the subsequent positioning in other directions can be conveniently realized; then the threaded rod is manually operated to realize the positioning of the planting rod clamp in the left and right directions. The clamping end of first grip block and second grip block is provided with the elastic layer, the elastic layer inlays and is equipped with magnet, is convenient for fix a position the planting pole of metal material to and the protection is planted the pole surface.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A digital method for manufacturing a polyetheretherketone bracket on a planting pole clamp is characterized by comprising the following steps:
step 1: pretreating the conventionally finished planting rod model;
step 2: scanning the planting rod model by using a dental model scanner to obtain model STL data;
and step 3: determining edge lines of the planting rod model by using design software, wherein the thickness of the edge lines is set to be a first preset thickness, and the edge lines are connected into a circle point by point; the thickness of the bracket is set to be a second preset thickness;
and 4, step 4: generating stent data above the rod of a second preset thickness by using design software;
and 5: free support extending parts are added on two sides of the support by using design software, so that the support strength of the denture is enhanced;
step 6: processing the bracket by using a polyether-ether-ketone material according to the bracket data of the design software; and (5) detecting and repairing.
2. The digital method for manufacturing PEEK stents on a plant stem card of claim 1,
in the step 2, the first preset thickness is set to be 0.5 mm, and the second preset thickness is set to be 0.5 mm.
3. The digital method for manufacturing PEEK stents on a plant stem card of claim 1,
the pretreatment in the step 1 comprises the following steps: filling and leveling the planting screw hole with wax; and spraying a layer of scanning powder on the planting rod model.
4. The digital method for manufacturing PEEK stents according to claim 1,
according to the bracket data of the design software, the method for processing the bracket by using the polyetheretherketone material comprises the following steps: and performing cutting programming operation on the designed support data, and controlling a machine tool to cut the polyether-ether-ketone material to manufacture the support.
5. The digital method for manufacturing PEEK stents on a plant stem card of claim 4,
the detection and rework includes: and (4) carrying out precision fitting and fitting by using the planting rod, and gradually processing a small amount of unqualified fitting until the support and the planting rod are completely closed.
6. The digital method for manufacturing PEEK stents on a plant stem card of claim 5,
in the step 6, performing precision fit try-on and gradual small-amount processing by using the planting rod until the bracket is completely closed with the planting rod further comprises: detecting by a detection device;
the detection device includes: the camera is connected with the computer;
the camera shoots the cut workpiece and transmits the shot image to the computer;
the computer preprocesses the image and extracts the edge of the workpiece outline to obtain a workpiece outline curve, the computer stores a standard outline curve corresponding to the qualified workpiece image, and the computer compares and matches the workpiece outline curve segments with the standard outline curve;
the computer judges whether the form and position tolerance of the key point is within the form and position tolerance range according to the comparison matching result, and displays the form and position tolerance of the key point;
and performing the small amount of processing according to the display result, and selecting a small amount of processing mode.
7. The digital method for manufacturing PEEK stents on a plant stem card of claim 1,
the polyether-ether-ketone material comprises the following components in percentage by weight:
60-70% of polyether-ether-ketone, 5-10% of calcium silicate, 2-5% of paraffin, 2-5% of binder, 2-5% of antibacterial agent, 2-5% of organic carbon, 6-10% of organic solvent, 1-5% of polytetrafluoroethylene, 5-10% of hydroxyl phosphorus lime and 5-10% of magnesium oxide.
8. The digital method for manufacturing PEEK stents on a plant stem card of claim 5,
the step-by-step small-amount processing until the bracket is completely sealed with the planting rod comprises the following steps: and (5) grinding.
9. The digital method for manufacturing PEEK stents on a plant stem card of claim 4,
the step 6 machine tool comprises:
a position sensor provided on a cutting tool or a tool holder of a machine tool;
the pressure sensor is arranged in a groove of a clamping end of a workpiece clamp of the machine tool;
the controller is connected to the machine tool;
the alarm, the position sensor and the pressure sensor are respectively and electrically connected with the controller;
the lathe is connected with power supply circuit, power supply circuit includes:
the negative electrode of the main power supply is grounded;
a diode (D1), the anode of which is connected with the cathode of the main power supply;
a second capacitor (C2), one end of which is connected with the positive pole of the main power supply, and the other end of which is connected with the negative pole of the diode (D1);
a first resistor (R1) with one end connected to the positive pole of the main power supply and the other end connected to the negative pole of a diode (D1);
the negative input end of the operational amplifier (U1) is connected with the negative electrode of the diode (D1), and the power supply end is connected with the positive electrode of the main power supply;
a third resistor (R3), the first end of which is connected with the positive input end of the operational amplifier (U1), and the second end of which is grounded;
a second resistor (R2) having one end connected to the first end of the third resistor (R3) and the positive input end of the operational amplifier (U1);
the drain electrode of the first field effect transistor (Q4) is connected with the other end of the second resistor (R2), and the grid electrode of the first field effect transistor is connected with the output end of the operational amplifier (U1);
a second field effect transistor (Q5), the grid electrode of the second field effect transistor is connected with the output end of the operational amplifier (U1) and the grid electrode of the first field effect transistor (Q4), and the source electrode of the second field effect transistor (Q5) is connected with the positive electrode of the main power supply;
the drain electrode of the second field effect transistor (Q5) is connected with the source electrode of the first field effect transistor (Q4) and the positive electrode of the auxiliary battery, and the negative electrode of the auxiliary battery is grounded and is connected with the negative power supply end of the machine tool and the power supply negative electrode of the controller;
one end of a coil of the relay (J) is connected with the positive electrode of a main power supply, the other end of the coil of the relay (J) is grounded, a first contact of the relay (J) is connected with the positive electrode of the main power supply, and a second contact of the relay (J) is connected with the drain electrode of a second field effect transistor (Q5);
one end of the switch (K) is connected with the third contact of the relay (J);
one end of the integrated chip (U2) is connected with the other end of the switch (K), and the other end of the integrated chip (U2) is connected with a positive power supply end of the machine tool;
the pressure sensor is connected with the controller through a signal transmission circuit, and the signal transmission circuit comprises:
a sixth resistor (R6), one end of which is connected with the output end of the pressure sensor, and the other end of which is connected with the first power supply (V1);
a fifth resistor (R5), wherein the first end is connected with the output end of the pressure sensor, and the second end is connected with the controller;
a first capacitor (C1), one end of which is connected with the second end of the fifth resistor (R5), and the other end of which is grounded;
a fourth resistor (R4), one end of which is connected with the output end of the pressure sensor;
a first transistor (Q1), the base of which is connected with the other end of the fourth resistor (R4), and the emitter of which is connected with a first power supply (V1);
a second transistor (Q2), wherein the base electrode is connected with the collector electrode of the first transistor (Q1), and the emitter electrode is connected with the first power supply (V1);
one end of the seventh resistor (R7) is connected with the base electrode of the second transistor (Q2), and the other end of the seventh resistor (R7) is grounded;
a third transistor (Q3), wherein the emitter is connected with the first power supply (V1), and the collector is connected with the controller;
and an eighth resistor (R8) having one end connected to the second power supply (V2) and the other end connected to the base of the third transistor (Q3).
10. The digital method for manufacturing PEEK stents on a plant bar card according to claim 1 or 6,
in the step 2, the model of the implanted rod is placed in a fixing device (1) for scanning, and the fixing device (1) comprises:
a U-shaped bracket (11);
the two ends of the rotating shaft (12) are rotatably connected with the two opposite sides of the U-shaped bracket (11), and the rotating shaft (12) is provided with a mounting plane;
the mounting shell (13) is fixedly connected to one side of the U-shaped bracket (11);
the driving motor (14) is positioned in the mounting shell (13), and an output shaft of the driving motor (14) is fixedly connected with one end of the rotating shaft (12);
the periphery of the mounting rack (15) is provided with a plurality of positioning mark holes (151), and the lower end of the mounting rack (15) is fixedly connected to the mounting plane;
the two mounting blocks (16) are arranged on the inner side of the mounting frame (15) at intervals up and down;
the middle part of the first connecting rod (17) is rotatably connected with the middle part of the second connecting rod (18), one end of the same side of the first connecting rod (17) and the second connecting rod (18) is respectively rotatably connected with the two mounting blocks (16), and the first connecting rod (17) is connected with the second connecting rod (18) through a telescopic rod (112);
the two first clamping plates (19) are respectively arranged on one sides of the first connecting rod (17) and the second connecting rod (18) far away from the mounting block (16);
the threaded through holes are formed in one side, far away from the mounting block (16), of the mounting frame (15);
the threaded rods (111) are connected in the threaded through holes in a one-to-one correspondence manner;
the second clamping plates (110) are correspondingly connected to one ends, located on the inner side of the mounting frame (15), of the threaded rods (111);
the clamping ends of the first clamping plate (19) and the second clamping plate (110) are provided with elastic layers, and magnets are embedded in the elastic layers.
CN202010423615.0A 2020-05-19 2020-05-19 Digitalization method for manufacturing polyether-ether-ketone support on planting rod clamp Active CN111529104B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112451138A (en) * 2020-11-24 2021-03-09 北京联袂义齿技术有限公司 Method for using dental embolus and embolus channel attachment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160256035A1 (en) * 2015-03-06 2016-09-08 Align Technology, Inc. Automatic selection and locking of intraoral images
CN109717970A (en) * 2018-12-26 2019-05-07 成都登特牙科技术开发有限公司 Tooth-planting reinforcing rod and its digitalization processing method
CN110236714A (en) * 2019-06-25 2019-09-17 西安医学院 A kind of personalization removalbe partial denture bracket and its design method, manufacturing method
CN210138200U (en) * 2019-03-28 2020-03-13 广东粤诚牙科技术开发中心 Simple polyether-ether-ketone metal screw channel support
CN111015347A (en) * 2019-12-30 2020-04-17 江西乔扬数控设备有限公司 Automatic alarm device for dislocation of gantry cutter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160256035A1 (en) * 2015-03-06 2016-09-08 Align Technology, Inc. Automatic selection and locking of intraoral images
CN109717970A (en) * 2018-12-26 2019-05-07 成都登特牙科技术开发有限公司 Tooth-planting reinforcing rod and its digitalization processing method
CN210138200U (en) * 2019-03-28 2020-03-13 广东粤诚牙科技术开发中心 Simple polyether-ether-ketone metal screw channel support
CN110236714A (en) * 2019-06-25 2019-09-17 西安医学院 A kind of personalization removalbe partial denture bracket and its design method, manufacturing method
CN111015347A (en) * 2019-12-30 2020-04-17 江西乔扬数控设备有限公司 Automatic alarm device for dislocation of gantry cutter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112451138A (en) * 2020-11-24 2021-03-09 北京联袂义齿技术有限公司 Method for using dental embolus and embolus channel attachment
CN112451138B (en) * 2020-11-24 2022-02-18 北京联袂义齿技术有限公司 Method for using dental embolus and embolus channel attachment

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