CN214361528U

CN214361528U - Production equipment capable of automatically shaping orthodontic wires in oral cavity

Info

Publication number: CN214361528U
Application number: CN202120429289.4U
Authority: CN
Inventors: 徐学礼
Original assignee: Suzhou Yingyi New Material Co ltd
Current assignee: Suzhou Yingyi New Material Co ltd
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2021-10-08
Anticipated expiration: 2031-02-27

Abstract

The utility model particularly relates to a production facility of just abnormal silk in automatic design oral cavity has solved the production technology complex operation of current just abnormal silk in oral cavity, and inefficiency, problem that the cost of labor is high. A production device capable of automatically shaping orthodontic wires comprises a wire releasing mechanism, a wire feeding mechanism, a guide cutting mechanism, a horizontal operating platform, a rotating mechanism, a heat treatment mechanism, a cooling and demolding mechanism, a PLC (programmable logic controller), a conveying slideway, a material groove and a compressed air conveying mechanism; the rotating mechanism, the guide cutting mechanism, the heat treatment mechanism and the cooling demoulding mechanism are all arranged on the upper side of the horizontal operating platform; the inlet end of the conveying slide way is connected with the cooling demoulding mechanism, and the outlet end of the conveying slide way is connected with the notch of the material groove; the compressed air conveying mechanism comprises a compressed air conveying pipeline and an electromagnetic valve. The utility model discloses an automatic design of orthodontic wire in oral cavity, the production process need not manual operation, has effectively improved production efficiency, has reduced the cost of labor in the production by a wide margin.

Description

Production equipment capable of automatically shaping orthodontic wires in oral cavity

Technical Field

The utility model relates to a production facility for the material engineering specifically is a production facility that can automatic design orthodontic wire in oral cavity.

Background

The nickel-titanium memory alloy orthodontic wire has recoverable elastic strain of 6-8 percent, which is far higher than that of 0.5 percent of the conventional metal material, and the memory alloy has elastic strain value of 10 percent⁷The inferior fatigue life, the damping characteristic is good to possess shape memory characteristic, can provide the power of correcting of lasting stability in the process is corrected to the malocclusion of dentition, be the orthodontic silk material of the most important in the orthodontic application of present oral cavity.

The shape memory alloy can be fixed only after external constraint and heat treatment at a specific temperature, so that the common cold working mode cannot meet the shaping production requirement. At present, the production of memory alloy orthodontic wires is generally that a corresponding metal mold is designed according to the shape of the wire, the wire is fixed on the mold manually and is put into a heat treatment furnace for heating, then the shape is fixed through cooling, and then the wire is manually removed from the mold. Patent CN208625876U discloses an orthodontic wire shaping frock of prefabricated torque, according to the orthodontic wire shape processing metal mold in the oral cavity, accomplish the batch shaping of orthodontic wire with the silk material coiling on metal mold.

However, practice shows that the existing orthodontic wire production process has the following problems: whole design is whole to rely on operating personnel manual work, and is very big to personnel's degree of dependence, and production process complex operation, production efficiency is low, and the cost of labor is higher.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the production technology complex operation of current just abnormal silk in oral cavity, inefficiency, problem that the cost of labor is high provides a production facility that can automatic design just abnormal silk in oral cavity.

The utility model discloses an adopt following technical scheme to realize:

a production device capable of automatically shaping orthodontic wires comprises a wire releasing mechanism, a wire feeding mechanism, a guide cutting mechanism, a horizontal operating platform, a rotating mechanism, a heat treatment mechanism, a cooling and demolding mechanism, a PLC (programmable logic controller), a conveying slideway, a material groove and a compressed air conveying mechanism; wherein the wire feeding mechanism is positioned on the left side of the horizontal operating platform; the wire releasing mechanism is positioned at the left side of the wire feeding mechanism; the material groove is positioned on the front side of the wire releasing mechanism, and the notch of the material groove faces upwards; the PLC is positioned below the horizontal operating platform; the rotating mechanism, the guide cutting mechanism, the heat treatment mechanism and the cooling demoulding mechanism are all arranged on the upper side of the horizontal operating platform, and the guide cutting mechanism, the heat treatment mechanism and the cooling demoulding mechanism are annularly arranged around the rotating mechanism; the conveying slide way is a U-shaped slide way with an upward opening and is arranged in a manner of being low on the left and high on the right, the inlet end of the conveying slide way is connected with the cooling and demolding mechanism, and the outlet end of the conveying slide way is connected with the notch of the material groove; the compressed air conveying mechanism comprises a compressed air conveying pipeline and an electromagnetic valve arranged on the compressed air conveying pipeline;

the wire releasing mechanism comprises two wire releasing frames which are distributed in parallel front and back, the top end part of each wire releasing frame is provided with a wire releasing rotating shaft which is rotatably connected with the wire releasing frame and is longitudinally arranged through a bearing, and an inner ring of the bearing positioned on the front side is provided with an internal thread; the middle part of the side wall of the wire releasing rotating shaft positioned on the front side is provided with an external thread which is in threaded fit with the inner ring of the bearing, and the front part of the side wall is fixedly sleeved with a transverse vertical locking hand wheel positioned in front of the wire releasing frame; the two wire-releasing rotating shafts are arranged in a front-back opposite mode, a transverse vertical wire winding wheel positioned between the two wire-releasing frames is clamped between the two wire-releasing rotating shafts, and memory alloy wires are wound on the outer sides of the wire winding wheels; a C-shaped tension adjusting belt with a downward opening is arranged between the wire releasing frame and the wire winding wheel on the rear side, and the middle part of the lower surface of the tension adjusting belt is tightly attached to the upper side wall of the wire releasing rotating shaft; the lower part of the front surface of the wire releasing frame positioned at the rear part is fixedly provided with a left lug plate and a right lug plate which are longitudinally arranged and positioned at two sides of the wire releasing rotating shaft; the right end of the tension adjusting belt is fixedly arranged on the right ear plate in a penetrating way; the left end of the tension adjusting belt is provided with a tension adjusting bolt which is obliquely arranged from head to bottom and from head to tail, the tail end of the tension adjusting bolt is fixedly connected with the tension adjusting belt, and the head end of the tension adjusting bolt is in threaded connection with the left lug plate;

the wire feeding mechanism comprises a power box positioned at the upper right part of the wire winding wheel, a servo motor with a forward output shaft is arranged in the inner cavity of the power box, and a plurality of wire feeding rollers which are in transmission connection with the servo motor and are distributed in parallel left and right are rotatably arranged at the lower part of the front side wall through a bearing I; the upper part of the front side wall of the power box is provided with a plurality of wire pressing pulleys, a wire feeding gap is reserved between the wire pressing pulleys and the wire feeding roller along the up-down direction, and the end part of the memory alloy wire is clamped in the wire feeding gap;

the guide cutting mechanism comprises a longitudinal vertical fixing plate integrally arranged on the front side of the right side wall of the power box, the right surface of the fixing plate is fixedly connected with a guide post which is transversely arranged, and the fixing plate and the guide post are jointly provided with a guide hole which is right opposite to the left side and the right side of a wire feeding gap and is matched with the memory alloy wire in size; a cylinder which is longitudinally arranged and has a piston rod facing forwards is arranged on the right outer side wall of the power box, and a cutter with a forward-facing cutting edge is arranged at the front end part of the piston rod of the cylinder;

the rotary mechanism comprises a rotary worktable, three C-shaped shaping molds of a hollow structure are horizontally arranged above the tabletop of the rotary worktable and are distributed along the circumferential direction at equal intervals, the C-shaped shaping molds are made of conductive materials, and the C-shaped shaping molds are in insulation connection with the tabletop of the rotary worktable; the openings of the three C-shaped sizing dies face outwards, the inner diameters of the three C-shaped sizing dies are matched with the wire diameter of the orthodontic wire, and the shapes of the three C-shaped sizing dies are matched with the shapes of the orthodontic wire; the rear end opening of the first C-shaped shaping die positioned on the left side is right opposite to the guide hole, and a distance is reserved between the rear end opening and the guide hole;

the heat treatment mechanism comprises a heating circuit, and two end parts of a second C-shaped shaping mold positioned on the right rear side are respectively and electrically connected with the heating circuit through carbon brushes; the lower surface of the carbon brush is a slope surface, and the high end of the slope surface is positioned at one end close to the guide cutting mechanism; two I-shaped inverted L-shaped supporting rods with hollow structures are fixed on the upper surface of the horizontal operating platform, the lower surface of the horizontal rod section of each I-shaped supporting rod is vertically provided with a return spring with the upper end connected with the lower surface, and the lower ends of the two return springs are respectively connected with the upper surfaces of the two carbon brushes in an insulation manner; the inner cavities of the I-shaped support rods and the inner cavity of the return spring which are vertically corresponding penetrate through a lead which is electrically connected with the carbon brush;

the cooling demolding mechanism comprises a compressed air guide pipe arranged above the third C-shaped shaping mold and arranged in the left-right direction and a pneumatic chuck arranged on the front side of the left end part of the third C-shaped shaping mold; the compressed air guide pipe is fixed on the upper surface of the horizontal operating platform through a II-th inverted L-shaped support rod; the left end of the compressed air guide pipe is closed, and the right end of the compressed air guide pipe is communicated with an outlet of the compressed air conveying pipeline; the left part of the compressed air guide pipe is a C-shaped section with an outward opening, the right part of the compressed air guide pipe is a straight line section, and the lower side wall of the C-shaped section is provided with a C-shaped air outlet which is vertically opposite to the third C-shaped shaping die; a horizontal rotary table is arranged at the lower side of the pneumatic chuck, the table surface of the horizontal rotary table is fixedly connected with the pneumatic chuck, and the base of the horizontal rotary table is fixed on the upper surface of a horizontal operating table;

and the output end of the PLC is respectively connected with the input end of the servo motor, the input end of the air cylinder, the input end of the rotary worktable, the input end of the heating circuit, the input end of the electromagnetic valve, the input end of the pneumatic chuck and the input end of the horizontal rotary table.

The utility model realizes the automatic die threading of the memory alloy wire by utilizing the wire feeding mechanism, the wire feeding mechanism and the guide cutting mechanism; the automatic switching of a die penetrating station, a heat treatment station and a cooling demoulding station is realized by utilizing a rotating mechanism; the memory alloy wire is electrically heated by the heat treatment mechanism, so that the automatic operation of the heat treatment process is realized; cooling the memory alloy wire by using a compressed air guide pipe; the pneumatic chuck is utilized to realize automatic demoulding of the orthodontic wire; automatically conveying orthodontic wire products to a material groove by using a conveying slideway; and controlling the production process and parameters by utilizing the PLC.

When the machine works, the C-shaped shaping die right facing the guide cutting mechanism sequentially passes through a die penetrating station, a heat treatment station and a cooling demolding station under the driving of the rotary workbench, and then returns to the die penetrating station to perform the next round of circulation; at the die penetrating station, the wire feeding mechanism drives the memory alloy wire to penetrate into the inner cavity of the C-shaped shaping die after passing through the guide hole; after the wire threading length meets the requirement, the air cylinder drives the cutter to extend out to cut off the memory alloy wire; at a heat treatment station, the C-shaped shaping die penetrated with the memory alloy wires forms a closed loop with a heating circuit through a carbon brush, and the C-shaped shaping die penetrated with the memory alloy wires is heated, so that the heat treatment of the memory alloy wires is realized; at a cooling demoulding station, compressed air of the compressed air conveying pipeline is blown out from the C-shaped air outlet after passing through the compressed air guide pipe, and the C-shaped shaping die penetrated with the memory alloy wire is cooled; after cooling, the pneumatic chuck clamps the exposed end part of the memory alloy wire on the C-shaped shaping die, and then the pneumatic chuck rotates anticlockwise under the driving of the horizontal rotary table, so that the C-shaped shaping die is separated from the memory alloy wire, and the orthodontic wire is obtained; then the orthodontic wire is loosened by the pneumatic chuck, the orthodontic wire slides from right to left through the conveying slide way and falls into the material groove, and therefore the production of the orthodontic wire is completed.

In the working process of the production equipment, the structural design of the locking hand wheel is convenient for the installation of the wire winding wheel; the combined structure design of the tension adjusting belt and the tension adjusting bolt can adjust the tension of the wire releasing rotating shaft, so that memory alloy wire rebounding mess caused by free rotation of the wire releasing rotating shaft is prevented; the combined structure design of the servo motor, the wire feeding roller and the wire pressing pulley ensures the reliable and continuous conveying of the memory alloy wire; the structural design of the guide column can reliably guide the memory alloy wire and penetrate into the C-shaped shaping die, so that the memory alloy wire can automatically penetrate into the die; the rotary workbench can realize the water circulation of the C-shaped shaping die at a die penetrating station, a heat treatment station and a cooling and demolding station; the carbon brush is structurally designed to enable the C-shaped shaping die positioned at the heat treatment station to be electrically connected with the heating circuit in a contact mode, and the C-shaped shaping die and the carbon brush are automatically separated under the driving of the rotary workbench after the heat treatment requirement is met; the structural design of the reset spring can automatically reset the carbon brush after the carbon brush is separated from the C-shaped shaping die, so that the connection of the next C-shaped shaping die is facilitated; the compressed air guide pipe can guide the compressed air of the compressed air conveying pipeline and blow the compressed air to the C-shaped shaping die through the C-shaped air outlet, so that the memory alloy wire is cooled; the horizontal rotary table can assist the pneumatic chuck, and demolding of the orthodontic wire is achieved.

The table top of the rotary worktable is circular, the edge part of the upper surface of the rotary worktable is provided with an I-shaped inverted T-shaped groove which is annularly arranged, the middle part of the upper surface of the rotary worktable is provided with an II-shaped inverted T-shaped groove which is arranged in a Y shape, and the I-shaped inverted T-shaped groove and the table top of the rotary worktable are concentrically arranged; the inner ends of three sections of the II-th inverted T-shaped groove penetrate through the center of the table top of the rotary workbench, the outer ends of the three sections of the II-th inverted T-shaped groove extend outwards to be communicated with the outer side wall of the table top of the rotary workbench, and the included angle between every two adjacent sections is 120 degrees; three inverted T-shaped rods which are distributed in a triangular shape are vertically arranged below each C-shaped shaping mold, the three inverted T-shaped rods close to the center of the table top of the rotary workbench are respectively connected with three sections of the inverted T-shaped groove II in a sliding mode, the other six inverted T-shaped rods are respectively connected with the inverted T-shaped groove I in a sliding mode, a locking nut with the lower surface abutting against the upper surface of the table top of the rotary workbench is screwed on the lower portion of each inverted T-shaped rod, a lower U-shaped connecting piece with an upward opening is fixed to the top end portion of each inverted T-shaped rod, an upper U-shaped connecting piece with the upper portion in butt joint and the lower portion in downward opening is arranged on the upper side of each lower U-shaped connecting piece, and the lower U-shaped connecting piece is fixedly connected with the upper U-shaped connecting piece through fastening bolts; the inner cavity of lower U-shaped connecting piece and the inner cavity of last U-shaped connecting piece all are provided with the insulating ceramic clamp splice rather than the joint, and C shape design mould presss from both sides and locates between two insulating ceramic clamp splices.

The combined structure design of the I-shaped inverted T-shaped groove, the II-shaped inverted T-shaped groove, the inverted T-shaped rod and the locking nut can detachably fix the C-shaped shaping mold above the rotary workbench, so that the C-shaped shaping mold is convenient to mount and replace; the combined structure design of the lower U-shaped connecting piece, the upper U-shaped connecting piece, the fastening bolt and the insulating ceramic clamping block realizes the insulating connection of the C-shaped shaping die and the rotary workbench, and further improves the operational reliability of the heat treatment mechanism.

The servo motor is positioned on the left side of the wire feeding rollers, driving gears are fixedly assembled on output shafts of the servo motor, the number of the wire feeding rollers is four, driven gears are fixedly assembled at the rear end of each wire feeding roller, and the driving gears and the four driven gears are sequentially meshed from left to right; the number of the wire pressing pulleys is three.

The structural design improves the reliability of the transmission connection of the wire feeding mechanism, and further improves the structural reliability of the production equipment.

The tension adjusting band is made of artificial leather.

The artificial leather has the advantages of wear resistance and moderate elasticity, and ensures the reliability of the rotation tension adjustment operation of the wire feeding rotating shaft.

The middle part of the wire winding wheel is provided with a through hole which is communicated with the front part and the rear part, the opposite ends of the two wire releasing rotating shafts are conical tips, and the two conical tips are respectively clamped at the front end and the rear end of the through hole.

The structural design of the conical tip can position and lock the wire winding wheel, and the wire winding wheel is convenient to replace.

The inner ring of the bearing positioned on the front side is fixed with a longitudinally-placed inner ear plate, the rear surface of the wire placing frame positioned on the front side is fixed with an outer ear plate which is opposite to the inner ear plate in and out, and the outer ear plate is provided with a stop pin which is detachably arranged on the inner ear plate in a penetrating manner.

The structural design of the stop pin can fix the inner ring of the bearing when the wire winding wheel is installed, so that the rotation of the bearing is prevented from influencing the installation; during installation, the winding wheel can be clamped on the wire unwinding rotating shaft by rotating the locking hand wheel after the stop pin is pushed and inserted, and the winding wheel can rotate along with the wire unwinding rotating shaft by pulling out the stop pin after installation is finished.

The distance between the first wire feeding roller and the second wire feeding roller on the left side is consistent with the distance between the second wire feeding roller and the third wire feeding roller, and the two distances are both larger than the distance between the third wire feeding roller and the fourth wire feeding roller; the first wire pressing pulley positioned on the left side is positioned between the first wire feeding roller and the second wire feeding roller; the second wire pressing pulley is positioned between the second wire feeding roller and the third wire feeding roller; the third wire pressing pulley is positioned right above the fourth wire feeding roller.

This structural design can improve the accuracy that wire feeding mechanism conveyed memory alloy silk, and then guarantees that memory alloy silk can accurately carry out the guiding hole, has promoted wire feeding mechanism and has cut off the reliability that the process links up with the direction.

The utility model provides a production facility reasonable in design is reliable, has realized the automatic design of memory alloy silk, has effectively solved the production technology complex operation of current orthodontic wire in oral cavity, and is inefficient, the problem that the cost of labor is high, and production process need not manual operation moreover, has effectively improved production efficiency, has reduced the cost of labor in the production by a wide margin.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

FIG. 3 is a schematic structural view of the filament feeding mechanism of FIG. 1;

FIG. 4 is an enlarged partial schematic view of FIG. 1 at the stop pin;

FIG. 5 is an enlarged partial schematic view of the heat treatment apparatus of FIG. 1;

fig. 6 is an enlarged partial schematic view of the cooling and demolding mechanism of fig. 1;

FIG. 7 is a schematic view of the compressed air guide tube of FIG. 1;

fig. 8 is a schematic structural view of the C-shaped sizing die of fig. 1.

In the figure, 1-a horizontal operation table, 2-PLC, 3-a conveying slide way, 4-a material groove, 501-a wire placing frame, 502-a wire placing rotating shaft, 503-a locking hand wheel, 504-a wire winding wheel, 505-a memory alloy wire, 506-a tension adjusting belt, 507-a left lug plate, 508-a right lug plate, 509-a tension adjusting bolt, 510-a bearing, 511-an inner lug plate, 512-an outer lug plate, 513-a stop pin, 601-a power box, 602-a wire feeding roller, 603-a wire pressing pulley, 701-a fixing plate, 702-a guide column, 703-an air cylinder, 704-a cutter, 801-a rotating work table, 802-C-shaped shaping molds, 803-an I-th inverted T-shaped groove, 804-an II-inverted T-shaped groove, 805-an inverted T-shaped rod and 806-a locking nut, 807-lower U-shaped connecting piece, 808-upper U-shaped connecting piece, 809-fastening bolt, 810-insulating ceramic clamping block, 901-carbon brush, 902-I & ltth & gt inverted L-shaped supporting rod, 903-return spring, 904-conducting wire, 1001-compressed air guide pipe, 1002-pneumatic chuck, 1003-II & ltth & gt inverted L-shaped supporting rod, 1004-C-shaped air outlet and 1005-horizontal rotary table.

Detailed Description

A production device capable of automatically shaping orthodontic wires comprises a wire releasing mechanism, a wire feeding mechanism, a guide cutting mechanism, a horizontal operating platform 1, a rotating mechanism, a heat treatment mechanism, a cooling and demolding mechanism, a PLC2, a conveying slideway 3, a material groove 4 and a compressed air conveying mechanism; wherein, the wire feeding mechanism is positioned at the left side of the horizontal operating platform 1; the wire releasing mechanism is positioned at the left side of the wire feeding mechanism; the material groove 4 is positioned on the front side of the wire releasing mechanism, and the notch of the material groove 4 is upward; the PLC2 is positioned below the horizontal operating platform 1; the rotating mechanism, the guide cutting mechanism, the heat treatment mechanism and the cooling demoulding mechanism are all arranged on the upper side of the horizontal operating platform 1, and the guide cutting mechanism, the heat treatment mechanism and the cooling demoulding mechanism are annularly arranged around the rotating mechanism; the conveying slide way 3 is a U-shaped slide way with an upward opening and is arranged in a manner of being low on the left and high on the right, the inlet end of the conveying slide way 3 is connected with the cooling and demolding mechanism, and the outlet end of the conveying slide way is connected with the notch of the material groove 4; the compressed air conveying mechanism comprises a compressed air conveying pipeline and an electromagnetic valve arranged on the compressed air conveying pipeline;

the wire releasing mechanism comprises two wire releasing frames 501 which are distributed in parallel front and back, the top end part of each wire releasing frame 501 is provided with a wire releasing rotating shaft 502 which is rotatably connected with the wire releasing frame and is longitudinally arranged through a bearing 510, and an inner ring of the bearing 510 positioned on the front side is provided with an internal thread; the middle part of the side wall of the wire-releasing rotating shaft 502 positioned at the front side is provided with an external thread which is in threaded fit with the inner ring of the bearing 510, and the front part of the side wall is fixedly sleeved with a transverse upright locking hand wheel 503 positioned in front of the wire-releasing frame 501; the two filament-releasing rotating shafts 502 are arranged in a front-back opposite direction, a transverse vertical filament-winding wheel 504 positioned between the two filament-releasing frames 501 is clamped between the two filament-releasing rotating shafts, and a memory alloy wire 505 is wound on the outer side of the filament-winding wheel 504; a C-shaped tension adjusting belt 506 with a downward opening is arranged between the wire releasing frame 501 and the wire winding wheel 504 on the rear side, and the middle part of the lower surface of the tension adjusting belt 506 is tightly attached to the upper side wall of the wire releasing rotating shaft 502; a left ear plate 507 and a right ear plate 508 which are longitudinally arranged and are positioned at two sides of the wire releasing rotating shaft 502 are fixed at the lower part of the front surface of the wire releasing frame 501 positioned at the rear; the right end of the tension adjusting belt 506 is fixedly arranged on the right ear plate 508 in a penetrating way; a tension adjusting bolt 509 which is obliquely arranged in a low-head-low-tail-high manner is arranged at the left end of the tension adjusting belt 506, the tail end of the tension adjusting bolt 509 is fixedly connected with the tension adjusting belt 506, and the head end of the tension adjusting bolt is in threaded connection with the left ear plate 507;

the wire feeding mechanism comprises a power box 601 positioned at the upper right of the wire winding wheel 504, a servo motor with a forward output shaft is arranged in the inner cavity of the power box 601, and a plurality of wire feeding rollers 602 which are in transmission connection with the servo motor and are distributed in parallel left and right are rotatably arranged at the lower part of the front side wall through a bearing I in a penetrating manner; a plurality of wire pressing pulleys 603 are arranged on the upper portion of the front side wall of the power box 601, a wire feeding gap is reserved between the wire pressing pulleys 603 and the wire feeding roller 602 along the vertical direction, and the end portion of the memory alloy wire 505 is clamped in the wire feeding gap;

the guide cutting mechanism comprises a longitudinally upright fixing plate 701 integrally arranged on the front side of the right side wall of the power box 601, the right surface of the fixing plate 701 is fixedly connected with a guide post 702 which is transversely arranged, and the fixing plate 701 and the guide post 702 are jointly provided with guide holes which are right and left opposite to the wire feeding gap and matched with the memory alloy wire 505 in size; a cylinder 703 which is longitudinally arranged and has a forward piston rod is arranged on the right outer side wall of the power box 601, and a cutter 704 with a forward blade is arranged at the front end part of the piston rod of the cylinder 703;

the rotating mechanism comprises a rotating workbench 801, three C-shaped shaping molds 802 of a hollow structure are horizontally arranged above the table top of the rotating workbench 801 and are distributed circumferentially at equal intervals, the C-shaped shaping molds 802 are made of conductive materials, and the C-shaped shaping molds 802 are in insulation connection with the table top of the rotating workbench 801; the openings of the three C-shaped sizing dies 802 are outward, the inner diameters of the three C-shaped sizing dies are matched with the wire diameter of the orthodontic wire, and the shapes of the three C-shaped sizing dies are matched with the shape of the orthodontic wire; the opening at the rear end of the first C-shaped shaping die 802 positioned on the left side is right-to-left opposite to the guide hole, and a distance is reserved between the opening and the guide hole;

the heat treatment mechanism comprises a heating circuit, and two end parts of the second C-shaped shaping mold 802 positioned on the right rear side are respectively and electrically connected with the heating circuit through carbon brushes 901; the lower surface of the carbon brush 901 is a slope surface, and the high end of the slope surface is located at one end close to the guide cutting mechanism; two I-shaped inverted L-shaped supporting rods 902 with a hollow structure are fixed on the upper surface of the horizontal operating platform 1, a return spring 903 with the upper end connected with the lower surface of the horizontal rod section of each I-shaped supporting rod 902 is vertically arranged on the lower surface of the horizontal rod section of each I-shaped supporting rod 902, and the lower ends of the two return springs 903 are respectively connected with the upper surfaces of the two carbon brushes 901 in an insulation manner; a lead 904 electrically connected with the carbon brush 901 is arranged in the cavity of the I-shaped support rod 902 and the cavity of the return spring 903 which are vertically corresponding in a penetrating manner;

the cooling demolding mechanism comprises a compressed air guide pipe 1001 which is arranged above the third C-shaped shaping mold 802 and is arranged in the left-right direction, and a pneumatic chuck 1002 which is arranged at the front side of the left end part of the third C-shaped shaping mold 802; the compressed air guide pipe 1001 is fixed on the upper surface of the horizontal operating platform 1 through a II-th inverted L-shaped strut 1003; the left end of the compressed air guide pipe 1001 is closed, and the right end of the compressed air guide pipe is communicated with an outlet of a compressed air conveying pipeline; the left part of the compressed air guide pipe 1001 is a C-shaped section with an outward opening, the right part of the compressed air guide pipe is a straight line section, and the lower side wall of the C-shaped section is provided with a C-shaped air outlet 1004 which is opposite to the third C-shaped shaping mold 802 from top to bottom; a horizontal rotary table 1005 is arranged at the lower side of the pneumatic chuck 1002, the table surface of the horizontal rotary table 1005 is fixedly connected with the pneumatic chuck 1002, and the base of the horizontal rotary table 1005 is fixed on the upper surface of the horizontal operating table 1;

the output end of the PLC2 is respectively connected with the input end of a servo motor, the input end of the air cylinder 703, the input end of the rotary worktable 801, the input end of a heating circuit, the input end of an electromagnetic valve, the input end of the pneumatic chuck 1002 and the input end of the horizontal rotary table 1005.

The table top of the rotary worktable 801 is circular, the edge part of the upper surface of the rotary worktable is provided with an I-th inverted T-shaped groove 803 which is annularly arranged, the middle part of the upper surface of the rotary worktable is provided with a II-th inverted T-shaped groove 804 which is Y-shaped arranged, and the I-th inverted T-shaped groove 803 and the table top of the rotary worktable 801 are concentrically arranged; the inner ends of three sections of the II-th inverted T-shaped groove 804 penetrate through the center of the table top of the rotary workbench 801, the outer ends of the three sections extend outwards and are communicated with the outer side wall of the table top of the rotary workbench 801, and the included angle between every two adjacent sections is 120 degrees; three triangular inverted T-shaped rods 805 are vertically arranged below each C-shaped sizing die 802, the three inverted T-shaped rods 805 near the center of the table top of the rotary working table 801 are respectively connected to three sections of the II inverted T-shaped groove 804 in a sliding manner, the other six inverted T-shaped rods 805 are respectively connected with the I inverted T-shaped groove 803 in a sliding manner, a locking nut 806 with the lower surface abutting against the upper surface of the table top of the rotary working table 801 is screwed on the lower portion of each inverted T-shaped rod 805, a lower U-shaped connecting piece 807 with an upward opening is fixed at the top end of each inverted T-shaped rod 805, an upper U-shaped connecting piece 808 with an upward and downward opening is arranged on the upper side of each lower U-shaped connecting piece 807, and the lower U-shaped connecting piece 807 and the upper U-shaped connecting piece 808 are fixedly connected through a fastening bolt 809; the inner cavity of the lower U-shaped connecting piece 807 and the inner cavity of the upper U-shaped connecting piece 808 are both provided with insulating ceramic clamping blocks 810 clamped with the lower U-shaped connecting piece, and the C-shaped shaping mold 802 is clamped between the two insulating ceramic clamping blocks 810.

The servo motor is positioned on the left side of the wire feeding roller 602, driving gears are fixedly assembled on an output shaft of the servo motor, the number of the wire feeding rollers 602 is four, a driven gear is fixedly assembled at the rear end of each wire feeding roller 602, and the driving gears and the four driven gears are sequentially meshed from left to right; the number of the wire pressing pulleys 603 is three. The tension adjusting band 506 is made of artificial leather. The middle part of the wire winding wheel 504 is provided with a through hole which is through from front to back, the opposite ends of the two wire-releasing rotating shafts 502 are both conical tips, and the two conical tips are respectively clamped at the front end and the rear end of the through hole. An inner ear plate 511 which is longitudinally arranged is fixed on the inner ring of the bearing 510 which is positioned at the front side, an outer ear plate 512 which is opposite to the inner side and the outer side of the inner ear plate 511 is fixed on the rear surface of the wire releasing frame 501 which is positioned at the front side, and a stop pin 513 which is detachably arranged on the inner ear plate 511 in a penetrating way is arranged on the outer ear plate 512. The distance between the first wire feeding roller 602 and the second wire feeding roller 602 on the left side is the same as the distance between the second wire feeding roller 602 and the third wire feeding roller 602, and both the distances are larger than the distance between the third wire feeding roller 602 and the fourth wire feeding roller 602; the first wire pressing pulley 603 on the left side is located between the first wire feeding roller 602 and the second wire feeding roller 602; the second wire pressing pulley 603 is positioned between the second wire feeding roller 602 and the third wire feeding roller 602; the third wire pressing pulley 603 is located right above the fourth wire feeding roller 602.

In a specific implementation process, the return spring 903 is fixedly connected with the carbon brush 901 through an insulating glue; the left part of the conveying slide way 3 is fixed on the ground through an I vertical support plate, and the right part of the conveying slide way is fixed on the upper surface of the horizontal operating platform 1 through an II vertical support plate; the front part of the side wall of the wire-releasing rotating shaft 502 positioned at the rear side is fixedly sleeved with a fixing ring, and the middle part of the lower surface of the tension adjusting belt 506 is tightly attached to the upper part of the fixing ring; the wire releasing frames 501 are triangular frames, and the two wire releasing frames 501 are fixedly connected through two connecting rods which are positioned at the bottom and distributed in parallel left and right; the bottom of the power box 601 is provided with a support frame; the guide posts 702 are welded and fixed on the right surface of the fixing plate 701; optionally, the rotating workbench 801 is a rotating workbench produced by new platform transmission equipment ltd in shenzhen city; the horizontal rotary table 1005 is a horizontal rotary table produced by the shore wu agency equipment ltd; the pneumatic collet 1002 is a pneumatic collet produced by duffy mechanical technologies (changzhou) inc.

Claims

1. The utility model provides a production facility that can automatic design orthodontic wire which characterized in that: the device comprises a wire releasing mechanism, a wire feeding mechanism, a guiding cutting mechanism, a horizontal operating platform (1), a rotating mechanism, a heat treatment mechanism, a cooling and demolding mechanism, a PLC (programmable logic controller) (2), a conveying slide way (3), a material groove (4) and a compressed air conveying mechanism; wherein the wire feeding mechanism is positioned on the left side of the horizontal operating platform (1); the wire releasing mechanism is positioned at the left side of the wire feeding mechanism; the material groove (4) is positioned on the front side of the wire releasing mechanism, and the notch of the material groove (4) faces upwards; the PLC (2) is positioned below the horizontal operating platform (1); the rotating mechanism, the guide cutting mechanism, the heat treatment mechanism and the cooling demoulding mechanism are all arranged on the upper side of the horizontal operating platform (1), and the guide cutting mechanism, the heat treatment mechanism and the cooling demoulding mechanism are annularly arranged around the rotating mechanism; the conveying slide way (3) is a U-shaped slide way with an upward opening and is arranged in a manner of being low on the left and high on the right, the inlet end of the conveying slide way (3) is connected with the cooling and demolding mechanism, and the outlet end of the conveying slide way is connected with the notch of the material groove (4); the compressed air conveying mechanism comprises a compressed air conveying pipeline and an electromagnetic valve arranged on the compressed air conveying pipeline;

the wire releasing mechanism comprises two wire releasing frames (501) which are distributed in parallel front and back, the top end part of each wire releasing frame (501) is provided with a wire releasing rotating shaft (502) which is rotatably connected with the wire releasing frame and is longitudinally arranged through a bearing (510), and an inner ring of the bearing (510) positioned on the front side is provided with an internal thread; the middle part of the side wall of the wire releasing rotating shaft (502) positioned at the front side is provided with an external thread which is in threaded fit with the inner ring of the bearing (510), and the front part of the side wall is fixedly sleeved with a transverse vertical locking hand wheel (503) positioned in front of the wire releasing frame (501); the two wire releasing rotating shafts (502) are arranged in a front-back opposite mode, a transverse vertical wire winding wheel (504) positioned between the two wire releasing frames (501) is clamped between the two wire releasing rotating shafts, and a memory alloy wire (505) is wound on the outer side of the wire winding wheel (504); a C-shaped tension adjusting belt (506) with a downward opening is arranged between the wire releasing frame (501) positioned at the rear side and the wire winding wheel (504), and the middle part of the lower surface of the tension adjusting belt (506) is tightly attached to the upper side wall of the wire releasing rotating shaft (502); a left ear plate (507) and a right ear plate (508) which are longitudinally arranged and are positioned at two sides of the wire releasing rotating shaft (502) are fixed at the lower part of the front surface of the wire releasing frame (501) positioned at the rear; the right end of the tension adjusting belt (506) is fixedly arranged on the right ear plate (508) in a penetrating way; a tension adjusting bolt (509) with a head part lower than the tail part and a head part higher than the tail part is obliquely arranged at the left end of the tension adjusting belt (506), the tail end of the tension adjusting bolt (509) is fixedly connected with the tension adjusting belt (506), and the head end of the tension adjusting bolt is in threaded connection with the left ear plate (507);

the wire feeding mechanism comprises a power box (601) positioned at the upper right of the wire winding wheel (504), a servo motor with an output shaft facing forward is arranged in an inner cavity of the power box (601), and a plurality of wire feeding rollers (602) which are in transmission connection with the servo motor and are distributed in parallel left and right are rotatably arranged at the lower part of the front side wall through a bearing I in a penetrating manner; the upper part of the front side wall of the power box (601) is provided with a plurality of wire pressing pulleys (603), a wire feeding gap is reserved between the wire pressing pulleys (603) and the wire feeding roller (602) along the vertical direction, and the end part of the memory alloy wire (505) is clamped in the wire feeding gap;

the guide cutting mechanism comprises a longitudinally upright fixing plate (701) integrally arranged on the front side of the right side wall of the power box (601), the right surface of the fixing plate (701) is fixedly connected with a guide post (702) which is transversely arranged, and the fixing plate (701) and the guide post (702) are jointly provided with guide holes which are right and left opposite to a wire feeding gap and matched with the memory alloy wire (505) in size; a cylinder (703) which is longitudinally arranged and has a piston rod facing forwards is arranged on the right outer side wall of the power box (601), and a cutter (704) with a cutting edge facing forwards is arranged at the front end part of the piston rod of the cylinder (703);

the rotating mechanism comprises a rotating workbench (801), three C-shaped shaping molds (802) of a hollow structure are horizontally arranged above the table top of the rotating workbench (801) and are distributed circumferentially at equal intervals, the C-shaped shaping molds (802) are made of conductive materials, and the C-shaped shaping molds (802) are in insulation connection with the table top of the rotating workbench (801); the openings of the three C-shaped sizing dies (802) face outwards, the inner diameters of the three C-shaped sizing dies are matched with the wire diameter of the orthodontic wire, and the shapes of the three C-shaped sizing dies are matched with the shape of the orthodontic wire; the rear end opening of the first C-shaped shaping die (802) positioned on the left side is right opposite to the guide hole, and a distance is reserved between the rear end opening and the guide hole;

the heat treatment mechanism comprises a heating circuit, and two end parts of a second C-shaped shaping mold (802) positioned on the right rear side are respectively and electrically connected with the heating circuit through carbon brushes (901); the lower surface of the carbon brush (901) is a slope surface, and the high end of the slope surface is positioned at one end close to the guide cutting mechanism; two I-shaped inverted L-shaped supporting rods (902) with hollow structures are fixed on the upper surface of the horizontal operating platform (1), a return spring (903) with the upper end connected with the lower surface of the horizontal rod section of each I-shaped inverted L-shaped supporting rod (902) is vertically arranged on the lower surface of the horizontal rod section of each I-shaped inverted L-shaped supporting rod, and the lower ends of the two return springs (903) are respectively connected with the upper surfaces of the two carbon brushes (901) in an insulation mode; a lead (904) electrically connected with the carbon brush (901) is arranged in a cavity of the I-shaped support rod (902) and a cavity of the return spring (903) which are vertically corresponding in a penetrating manner;

the cooling demolding mechanism comprises a compressed air guide pipe (1001) which is arranged above the third C-shaped shaping mold (802) and arranged in the left-right direction, and a pneumatic chuck (1002) which is arranged at the front side of the left end part of the third C-shaped shaping mold (802); the compressed air guide pipe (1001) is fixed on the upper surface of the horizontal operating platform (1) through a II-th inverted L-shaped support rod (1003); the left end of the compressed air guide pipe (1001) is closed, and the right end of the compressed air guide pipe is communicated with an outlet of a compressed air conveying pipeline; the left part of the compressed air guide pipe (1001) is a C-shaped section with an outward opening, the right part of the compressed air guide pipe is a straight line section, and the lower side wall of the C-shaped section is provided with a C-shaped air outlet (1004) which is vertically opposite to the third C-shaped shaping mold (802); a horizontal rotary table (1005) is arranged on the lower side of the pneumatic chuck (1002), the table top of the horizontal rotary table (1005) is fixedly connected with the pneumatic chuck (1002), and the base of the horizontal rotary table is fixed on the upper surface of the horizontal operating table (1);

the output end of the PLC (2) is respectively connected with the input end of the servo motor, the input end of the air cylinder (703), the input end of the rotary workbench (801), the input end of the heating circuit, the input end of the electromagnetic valve, the input end of the pneumatic chuck (1002) and the input end of the horizontal rotary table (1005).

2. The apparatus for producing orthodontic wire capable of automatic setting according to claim 1, wherein: the table top of the rotary working table (801) is circular, the edge part of the upper surface of the rotary working table is provided with an I-th inverted T-shaped groove (803) which is annularly arranged, the middle part of the upper surface of the rotary working table is provided with an II-th inverted T-shaped groove (804) which is Y-shaped arranged, and the I-th inverted T-shaped groove (803) and the table top of the rotary working table (801) are concentrically arranged; the inner ends of three sections of the II-th inverted T-shaped groove (804) penetrate through the center of the table top of the rotary workbench (801), the outer ends of the three sections of the II-th inverted T-shaped groove extend outwards to be communicated with the outer side wall of the table top of the rotary workbench (801), and the included angle between every two adjacent sections is 120 degrees; three triangular distribution inverted T-shaped rods (805) are vertically arranged below each C-shaped sizing die (802), the three inverted T-shaped rods (805) close to the center of the table top of the rotary working table (801) are respectively connected with three sections of a II inverted T-shaped groove (804) in a sliding mode, the other six inverted T-shaped rods (805) are respectively connected with an I inverted T-shaped groove (803) in a sliding mode, a locking nut (806) with the lower surface abutting against the upper surface of the table top of the rotary working table (801) in a screwing mode is arranged at the lower portion of each inverted T-shaped rod (805), a lower U-shaped connecting piece (807) with an upward opening is fixed at the top end of each inverted T-shaped rod (805), an upper U-shaped connecting piece (808) with an upper portion and a lower portion in a butt joint mode and an opening downward is arranged on the upper side of each lower U-shaped connecting piece (807), and the lower U-shaped connecting piece (807) is fixedly connected with the upper U-shaped connecting piece (808) through fastening bolts (809); the inner cavity of the lower U-shaped connecting piece (807) and the inner cavity of the upper U-shaped connecting piece (808) are respectively provided with an insulating ceramic clamping block (810) clamped with the lower U-shaped connecting piece, and the C-shaped shaping mold (802) is clamped between the two insulating ceramic clamping blocks (810).

3. The apparatus for producing orthodontic wire capable of automatic setting according to claim 1, wherein: the servo motor is positioned on the left side of the wire feeding roller (602), the output shaft of the servo motor is fixedly provided with driving gears, the number of the wire feeding rollers (602) is four, the rear end part of each wire feeding roller (602) is fixedly provided with a driven gear, and the driving gears and the four driven gears are sequentially meshed from left to right; the number of the wire pressing pulleys (603) is three.

4. The apparatus for producing orthodontic wire capable of automatic setting according to claim 1, wherein: the tension adjusting band (506) is made of artificial leather.

5. The apparatus for producing orthodontic wire capable of automatic setting according to claim 1, wherein: the middle part of the wire winding wheel (504) is provided with a through hole which is through from front to back, the opposite ends of the two wire releasing rotating shafts (502) are conical tips, and the two conical tips are respectively clamped at the front end and the rear end of the through hole.

6. The apparatus for producing orthodontic wire capable of automatic setting according to claim 1, wherein: an inner ear plate (511) which is longitudinally arranged is fixed on the inner ring of the bearing (510) which is positioned at the front side, an outer ear plate (512) which is opposite to the inner ear plate (511) in the inner and outer directions is fixed on the rear surface of the wire placing frame (501) which is positioned at the front side, and a stop pin (513) which is detachably arranged on the inner ear plate (511) in a penetrating way is arranged on the outer ear plate (512).

7. The apparatus for producing orthodontic wire capable of automatic setting according to claim 3, wherein: the distance between the first wire feeding roller (602) and the second wire feeding roller (602) on the left side is consistent with the distance between the second wire feeding roller (602) and the third wire feeding roller (602), and the two distances are both larger than the distance between the third wire feeding roller (602) and the fourth wire feeding roller (602); the first wire pressing pulley (603) positioned on the left side is positioned between the first wire feeding roller (602) and the second wire feeding roller (602); the second wire pressing pulley (603) is positioned between the second wire feeding roller (602) and the third wire feeding roller (602); the third wire pressing pulley (603) is positioned right above the fourth wire feeding roller (602).