CN114919177A

CN114919177A - 3D printing device for traction between oral surgery and jaw

Info

Publication number: CN114919177A
Application number: CN202210511382.9A
Authority: CN
Inventors: 张力圆
Original assignee: Qilu Hospital of Shandong University Qingdao
Current assignee: Qilu Hospital of Shandong University Qingdao
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-08-19

Abstract

The invention discloses a 3D printing device for oral surgery inter-jaw traction, and relates to the field of 3D printing. The invention is connected with the processing box by arranging the driving mechanism and the hot melting mechanism, when the device is used, a user drives the left driving roller to rotate by controlling the motor to work, the right driving roller is driven to rotate oppositely by the meshing transmission of the two gears when the left driving roller rotates, so that materials on the discharging mechanism are fed into the hot melting mechanism by utilizing the opposite rotation of the two driving rollers, the hot melting roller is heated by utilizing the heating plate at the moment, and the printing materials are heated and melted to fall into the bottom of the processing box when passing through the hot melting roller, thereby solving the problems that the existing 3D printing device for the jaw traction of the oral surgery is inconvenient to clean the materials adhered to the hot melting mechanism when in use, and the existing 3D printing device for the jaw traction of the oral surgery can leave printing materials in the discharging mechanism after in use and is inconvenient to clean.

Description

3D printing device for traction between oral surgery and jaw

Technical Field

The invention relates to a 3D printing device, in particular to a 3D printing device for oral surgery inter-jaw traction.

Background

Along with the development of society, various advanced devices which are continuously improved by human beings are continuously developed, the living quality of people is greatly improved, on the basis of removing material processing at present, people invent additive manufacturing, namely, 3D printing is generally applied to various industries at present, people pay more and more attention to 3D printing, 3D printing is widely applied to the medical field, and jaw traction instruments frequently used in oral surgery can be processed and manufactured by 3D printing.

The current 3D printing device for oral surgery jaw traction has some defects and shortcomings when in use, and the specific needs for improvement are as follows:

1. the existing 3D printing device for the jaw traction of the oral surgery is inconvenient to clean materials adhered to the hot melting mechanism when in use, so that a large amount of printing materials are adhered to the hot melting mechanism after the hot melting mechanism is used for a long time to influence the hot melting effect;

2. and the current 3D printing device that is used for oral surgery intermaxillary traction can remain in using back discharge mechanism and print the material and be not convenient for clear up to use to subsequent printing and produce the influence.

Disclosure of Invention

The invention aims to provide a 3D printing device for oral surgery jaw traction, and aims to solve the problems that the existing 3D printing device for oral surgery jaw traction, which is proposed in the background art, is inconvenient to clean materials adhered to a hot melting mechanism when in use, so that a large amount of printing materials are adhered to the hot melting mechanism after long-time use to influence the hot melting effect, and the existing 3D printing device for oral surgery jaw traction has the problem that the printing materials remained in a discharging mechanism after use are inconvenient to clean, so that the subsequent printing use is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a be used for towed 3D printing device between oral surgery jaw, is including handling the case, it is provided with drop feed mechanism on the case upper surface to handle, the drop feed mechanism below correspondence is provided with the feed opening, the feed opening is seted up in handling the case upper surface, be provided with actuating mechanism on the side inner wall around handling the case, the actuating mechanism below is provided with two hot melt mechanisms, two hot melt mechanism sets up respectively on handling case left and right sides inner wall, handle fixedly connected with baffle on the incasement wall, the baffle sets up for the slope, handle in the case downside inner wall with connecting pipe upper end fixed connection, connecting pipe other end fixed connection is in discharge mechanism, discharge mechanism sets up on handling the bottom surface of the case, it is connected with the switch to handle case front surface fixed connection.

According to a preferable technical scheme of the invention, the discharging mechanism comprises a first fixing plate and a second fixing plate, the bottom surfaces of the first fixing plate and the second fixing plate are fixedly connected with the upper surface of the treatment box, slots are formed in the front surface of the second fixing plate, the slots on the upper side are movably connected with one end of the inserted bar, and the other end of the inserted bar is movably connected in the slots on the lower side.

As a preferred technical scheme of the invention, the slot at the lower side is arranged in the front surface of the supporting plate, the inserting rod is arranged in an n-shaped plate, one opposite surface of the supporting plate and one opposite surface of the fixing plate are respectively and fixedly connected with the opposite surfaces of the two connecting cylinders, the inner walls of the two connecting cylinders are respectively and fixedly connected with the outer surfaces of the two rolling bearings, and the inner side surfaces of the two rolling bearings are respectively and movably connected with the two ends of the winding roller.

As a preferable technical scheme of the invention, the driving mechanism comprises two driving rollers, the front ends of the two driving rollers are movably connected to the inner wall of the front side of the treatment box through rolling bearings, the front sides of the two driving rollers are fixedly connected with gears, the two gears are meshed and connected, the rear end of the right driving roller is movably connected to the inner wall of the rear side of the treatment box through a rolling bearing, the rear end of the left driving roller is fixedly connected to an output shaft of a motor, the rear side surface of the motor is fixedly connected to the inner wall of the rear side of the treatment box, and the input end of the motor is electrically connected with the output end of a switch.

According to a preferred technical scheme, the two hot melting mechanisms respectively comprise a fixed frame, the front side and the rear side of the side surface of the fixed frame are respectively and fixedly connected with one end of each of two telescopic rods, the other end of each of the two telescopic rods is fixedly connected to the inner wall of the treatment box, springs I are sleeved on the telescopic rods I, and the two ends of each of the springs are respectively and fixedly connected to the side surface of the fixed frame and the inner wall of the treatment box.

As a preferred technical scheme of the invention, the inner walls of the front side and the rear side of the fixing frame are respectively movably connected with the front end and the rear end of the hot melting roller through rolling bearings, a mounting groove is formed in the hot melting roller, a heating plate is fixedly connected to the inner wall of the mounting groove, a scraper is lapped on the outer surface of the hot melting roller, the side surface of the scraper is fixedly connected with one end of a connecting plate, and the other end of the connecting plate is fixedly connected to the fixing frame.

As a preferred technical scheme of the invention, the input ends of the two heating plates are respectively and electrically connected with the output ends of two safety switches, the two safety switches are respectively and fixedly connected to the inner walls of the left side and the right side of the treatment box, the two safety switches are respectively lapped with the ends far away from the two push rods, and the opposite ends of the two push rods are respectively and fixedly connected to the opposite surfaces of the two fixing frames.

According to a preferred technical scheme, the discharging mechanism comprises a discharging box, the upper surface of the discharging box is fixedly connected with the bottom surface of the treatment box, the left side surface of the discharging box is fixedly connected with the bottom end of the connecting pipe, a groove is formed in the inner wall of the left side of the discharging box, the inner wall of the upper side of the groove is fixedly connected with the upper end of the two telescopic rods, and the bottom ends of the two telescopic rods are fixedly connected to the upper surface of the sealing plate.

According to a preferred technical scheme, the left side face of the sealing plate is in lap joint with the bottom end of the connecting pipe, the second spring is sleeved on the second telescopic rod, two ends of the second spring are respectively and fixedly connected to the inner wall of the upper side of the groove and the upper surface of the sealing plate, the right side face of the sealing plate is fixedly connected with the left side face of the pulling plate, the bottom surface of the pulling plate is in lap joint with the upper surface of the cleaning plate, the upper surface of the cleaning plate is fixedly connected to the bottom end of the electric push rod, the upper end of the electric push rod is fixedly connected to the inner wall of the upper side of the discharging box, and the input end of the electric push rod is electrically connected with the output end of the switch.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is connected with the processing box by arranging the driving mechanism and the hot melting mechanism, when the device is used, a user drives the left driving roller to rotate by controlling the work of the motor, the left driving roller drives the right driving roller to rotate oppositely by the meshing transmission of two gears when rotating, so that the materials on the discharging mechanism are fed into the hot melting mechanism by utilizing the opposite rotation of the two driving rollers, the hot melting roller is heated by utilizing the heating plate at the moment, the printing materials are heated and melted when passing through the hot melting roller and fall into the bottom of the processing box, meanwhile, the connecting plate and the scraper are arranged on the fixed frame to be contacted with the hot melting roller, so that the materials adhered on the hot melting roller are scraped by utilizing the scraper when the hot melting roller rotates and passes through the scraper, the influence on the hot melting effect caused by the adhesion of a large number of materials on the hot melting roller for a long time is further avoided, the fixed frame is connected with the processing box by arranging the first telescopic rod and the first spring, and set up push rod and safety switch contact, thereby push two hot melt rollers and keep away from each other after actuating mechanism promotes printing material and gets into between two hot melt rollers, two mounts promote two push rods and press safety switch this moment and make the hot plate begin work and heat the hot melt roller, when printing material has used up there is not the material between two hot melt rollers spring elasticity promotes two mounts and hot melt roller and is close to each other, make the push rod break away from safety switch this moment and make the hot plate stop work, thereby avoid printing material to use up back two hot melt rollers contact each other the hot plate and continue work and make the high temperature have the potential safety hazard and the material uses up back hot plate continuation work and cause the wasting of resources.

2. According to the invention, the processing box is connected with the discharging mechanism through the connecting pipe, when the printing material is discharged by the discharging mechanism, a user controls the electric push rod to contract through the switch to enable the cleaning plate to move upwards and drive the pull plate and the sealing plate to move upwards, when the sealing plate moves upwards and is separated from the connecting pipe, the printing material in the processing box flows into the discharging box through the connecting pipe and is discharged through the discharging head, after printing is finished, the user controls the electric push rod to extend through the switch to enable the cleaning plate to move downwards, at the moment, the two elastic forces of the spring push the sealing plate to move downwards to plug the connecting pipe, so that the residual printing material in the discharging box is extruded from the discharging head by using the movement of the cleaning plate, and further, the situation that the subsequent use is influenced by the residual printing material in the discharging box after printing is finished is avoided.

3. According to the invention, the discharging mechanism is connected with the processing box, when the device is used, a user can pull the inserting rod forwards to enable the inserting rod to be separated from the slot, then the user moves the supporting plate to move to the right, at the moment, the user inserts the left end of the winding roller into the left connecting cylinder, the supporting plate is moved to enable the right connecting cylinder to be connected with the right end of the winding roller, and then the supporting plate is fixed on the second fixing plate again by utilizing the inserting rod and the slot, so that the winding roller is convenient to disassemble and install by the user, the user can replace and supplement printing materials conveniently, and the practicability of the device is further improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic view of the driving mechanism of the present invention;

FIG. 4 is a schematic cross-sectional view of the heat-melting mechanism of the present invention;

FIG. 5 is a schematic cross-sectional view of the discharging mechanism of the present invention;

FIG. 6 is a schematic cross-sectional view of the discharging mechanism of the present invention.

In the figure: 1 treatment box, 2 driving mechanism, 21 driving roller, 22 gears, 23 motors, 3 safety switches, 4 hot melting mechanisms, 41 fixing frames, 42 hot melting rollers, 43 mounting grooves, 44 heating plates, 45 scraping plates, 46 connecting plates, 47 push rods, 48 first telescopic rods, 49 first springs, 5 connecting pipes, 6 discharging mechanisms, 61 discharging boxes, 62 grooves, 63 second springs, 64 second telescopic rods, 65 sealing plates, 66 pulling plates, 67 discharging heads, 68 cleaning plates, 69 electric push rods, 7 guide plates, 8 discharging mechanisms, 81 first fixing plates, 82 connecting cylinders, 83 winding rollers, 84 supporting plates, 85 second fixing plates, 86 slots, 87 inserting rods, 9 discharging openings and 10 switches.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution of a 3D printing device for oral surgery jaw traction: comprises a processing box 1, a discharging mechanism 8 is arranged on the upper surface of the processing box 1, a discharging opening 9 is correspondingly arranged below the discharging mechanism 8, the discharging opening 9 is arranged in the upper surface of the processing box 1, driving mechanisms 2 are arranged on the inner walls of the front side and the rear side of the processing box 1, two hot melting mechanisms 4 are arranged below the driving mechanisms 2, the two hot melting mechanisms 4 are respectively arranged on the inner walls of the left side and the right side of the processing box 1, a guide plate 7 is fixedly connected on the inner wall of the processing box 1, the guide plate 7 is obliquely arranged, the guide plate 7 is arranged on the inner wall of the processing box 1, and the guide plate 7 is obliquely arranged, so that the material at the bottom of the processing box 1 is guided by the guide plate 7, the material at the bottom of the processing box 1 flows to the connecting pipe 5 through the guide plate 7 and is discharged through the connecting pipe 5, the inner wall of the lower side of the processing box 1 is fixedly connected with the upper end of the connecting pipe 5, the other end of the connecting pipe 5 is fixedly connected in the discharging mechanism 6, the discharging mechanism 6 is arranged on the bottom surface of the treatment box 1, the switch 10 is fixedly connected to the front surface of the treatment box 1, the discharging mechanism 8 comprises a first fixing plate 81 and a second fixing plate 85, the bottom surfaces of the first fixing plate 81 and the second fixing plate 85 are fixedly connected with the upper surface of the treatment box 1, a slot 86 is formed in the front surface of the second fixing plate 85, the upper slot 86 is movably connected with one end of an insertion rod 87, the other end of the insertion rod 87 is movably connected into the lower slot 86, the lower slot 86 is formed in the front surface of the support plate 84, the slots 86 are formed in the front surfaces of the support plate 84 and the second fixing plate 85, the insertion rod 87 is arranged to connect the two slots 86, so that a user can conveniently detach and move the support plate 84, the user can conveniently detach and replace the winding roller 83, the insertion rod 87 is arranged in an n-shaped plate, opposite surfaces of the support plate 84 and the first fixing plate 81 are fixedly connected with opposite surfaces of the two connecting cylinders 82 respectively, the inner walls of the two connecting cylinders 82 are respectively fixedly connected with the outer surfaces of the two rolling bearings, the inner side surfaces of the two rolling bearings are respectively movably connected with the two ends of the wind-up roller 83, the rolling bearings are arranged in the connecting cylinders 82 and are connected with the wind-up roller 83, so that the friction force generated when the wind-up roller 83 rotates in the connecting cylinders 82 is reduced by the rolling bearings, the stability of the wind-up roller 83 during rotation is improved, the driving mechanism 2 comprises two driving rollers 21, the front ends of the two driving rollers 21 are movably connected onto the inner wall of the front side of the treatment box 1 through the rolling bearings, gears 22 are fixedly connected onto the front sides of the two driving rollers 21, the two gears 22 are meshed and connected, the left driving roller 21 is connected with the motor 23 through the two gears 22, and the two driving rollers 21 are driven to rotate oppositely by the meshing transmission of the two gears 22 when the motor 23 drives the left driving roller 21 to rotate, and then the printing material is pulled to move downwards by utilizing the opposite rotation of the two driving rollers 21, the rear end of the right driving roller 21 is movably connected to the inner wall of the rear side of the processing box 1 through a rolling bearing, the rear end of the left driving roller 21 is fixedly connected to the output shaft of the motor 23, the rear side of the motor 23 is fixedly connected to the inner wall of the rear side of the processing box 1, the input end of the motor 23 is electrically connected with the output end of the switch 10, the two hot melting mechanisms 4 respectively comprise a fixing frame 41, the front side and the rear side of the side surface of the fixing frame 41 are respectively and fixedly connected with one end of two telescopic rods one 48, the other end of the two telescopic rods one 48 is respectively and fixedly connected to the inner wall of the processing box 1, the fixing frame 41 is connected with the processing box 1 through the arrangement of the spring one 49 and the telescopic rods one 48, so that the fixing frame 41 is fixedly supported by the telescopic rods one 48 and the spring one 49, when no material exists between the hot melting rollers 42, the two hot melting rollers 42 are pushed to approach each other by the elasticity of the first spring 49, the inner walls of the front side and the rear side of the fixed frame 41 are respectively movably connected with the front end and the rear end of the hot melting roller 42 through rolling bearings, the inner part of the hot melting roller 42 is provided with a mounting groove 43, the inner wall of the mounting groove 43 is fixedly connected with a heating plate 44, the outer surface of the hot melting roller 42 is lapped with a scraper 45, the side surface of the scraper 45 is fixedly connected with one end of a connecting plate 46, the other end of the connecting plate 46 is fixedly connected with the fixed frame 41, the connecting plate 46 and the scraper 45 are contacted with the hot melting roller 42 through the arrangement of the fixed frame 41, so that the materials adhered on the hot melting roller 42 are scraped by the scraper 45 when the hot melting roller 42 rotates to pass through the scraper 45, the influence of the hot melting effect caused by the adhesion of a large number of materials on the hot melting roller 42 is further avoided, the input ends of the two heating plates 44 are respectively electrically connected with the output ends of the two safety switches 3, the two safety switches 3 are respectively and fixedly connected to the inner walls of the left side and the right side of the processing box 1, the two safety switches 3 are respectively in lap joint with one ends, away from the two push rods 47, of the two push rods 47, the opposite ends of the two push rods 47 are respectively and fixedly connected to the opposite surfaces of the two fixing frames 41, the push rods 47 are in contact with the safety switches 3 through the push rods 47 arranged on the fixing frames 41, when no material exists between the two hot melting rollers 42, the two fixing frames 41 are pushed to mutually approach by the elastic force of the first spring 49, so that the push rods 47 are separated from the safety switches 3 to stop the operation of the heating plate 44, the potential safety hazard caused by overhigh temperature due to the continuous operation of the heating plate 44 after the printing material is used and the resource waste caused by the continuous operation of the heating plate 44 after the material is used are avoided, the discharging mechanism 6 comprises a discharging box 61, the upper surface of the discharging box 61 is fixedly connected with the bottom surface of the processing box 1, the left side surface of the discharging box 61 is fixedly connected with the bottom of the connecting pipe 5, the inner wall of the left side of the discharging box 61 is provided with a groove 62, the inner wall of the upper side of the groove 62 is fixedly connected with the upper end of a telescopic rod II 64, the bottom end of the telescopic rod II 64 is fixedly connected with the upper surface of a sealing plate 65, the left side surface of the sealing plate 85 is lapped with the bottom end of a connecting pipe 5, a spring II 63 is sleeved on the telescopic rod II 64, two ends of the spring II 63 are respectively fixedly connected with the inner wall of the upper side of the groove 62 and the upper surface of the sealing plate 65, the sealing plate 65 is connected with the groove 62 by arranging the telescopic rod II 64 and the spring II 63, so that the sealing plate 65 is fixedly supported by the telescopic rod II 64 and the spring II 63, the sealing plate 65 can be pushed to move downwards by the elasticity of the spring II 63 to seal the connecting pipe 5 after a cleaning plate 68 moves downwards to be separated from the pulling plate 66, the right side surface of the sealing plate 65 is fixedly connected with the left side surface of the pulling plate 66, the bottom surface of the pulling plate 66 is lapped with the upper surface of the cleaning plate 68, the upper surface of the cleaning plate 68 is fixedly connected with the bottom end of an electric push rod 69, electric putter 69 upper end fixed connection is on play workbin 61 upside inner wall, be connected clearance board 68 and play workbin 61 through setting up electric putter 69, the user can drive clearance board 68 through control electric putter 69 extension after printing the end and remove, thereby utilize clearance board 68's removal to extrude the inside remaining printing material of play workbin 61 from ejection of compact head 67, and then avoid remaining too much printing material in the play workbin 61 after printing the end and influence subsequent use, electric putter 69's input and switch 10 output electricity are connected.

The method comprises the following operation steps:

when the device is used, a user firstly pulls the printing material on the winding roller 83 to place the material between the two driving rollers 21 through the blanking port 9, at the moment, the user controls the motor 23 to work through the switch 10, the output shaft of the motor 23 drives the left driving roller 21 to rotate when the motor 23 works, the left driving roller 21 drives the right driving roller 21 to oppositely rotate through the meshing transmission of the two gears 22 when rotating, at the moment, the opposite rotation of the two driving rollers 21 is utilized to pull the material to downwards move and drive the winding roller 83 to rotate to discharge the material, when the material moves between the two hot melting rollers 42, the material presses the two hot melting rollers 42, the fixed frame 41 and the push rod 47 to be away from each other, when the two push rods 47 are away from each other, the safety switch 3 is pressed to enable the heating plate 44 to work to heat the hot melting rollers 42, then the user stops the motor 23 to make the heating plate 44 work for a period of time to heat the hot melting roller 42 to a certain temperature and then controls the motor 23 to work again;

at the moment, the driving mechanism 2 is used for gradually feeding the material on the winding roller 83 into the hot melting mechanism 4, the driving mechanism 2 drives the two hot melting rollers 42 to rotate when pushing the material to move downwards, at the moment, the material is melted by high temperature when passing through the hot melting rollers 42 and drops at the bottom of the processing box 1, the hot melting rollers 42 are rotated and scraped off by the material adhered to the hot melting rollers 42 by the scraper 5 when passing through the scraper 45, the material at the bottom of the processing box 1 flows to the pipe orifice of the connecting pipe 5 through the guide plate 7, a user controls the electric push rod 69 to shrink through the switch 10 during printing, at the moment, the electric push rod 69 drives the cleaning plate 68 to move upwards, when the cleaning plate 68 moves to be in contact with the pull plate 66, the sealing plate 65 is driven to move upwards, when the sealing plate 65 is separated from the connecting pipe 5, at the time, the material in the processing box 1 flows into the discharge box 61 through the connecting pipe 5 and is discharged through the discharge head 67 for printing;

when the material on the winding roller 83 is used up and no material exists between the two hot melting rollers 42, the springs 49 push the two fixing frames 41 and the hot melting rollers 42 to approach each other, at this time, the fixing frame 41 drives the push rod 47 to be separated from the safety switch 3 to stop the operation of the heating plate 44, then a user pulls the insertion rod 87 forward to separate the insertion slot 86, at this time, the user moves the support plate 84 to separate the right connecting cylinder 82 from the right end of the winding roller 83, then the user disassembles the winding roller 83 and connects a new winding roller 83 with the discharging mechanism 8, after the printing is finished, the user controls the electric push rod 69 to extend through the switch 10, at this time, the electric push rod 69 drives the cleaning plate 68 to move downwards to clean the material on the inner wall of the discharging box 61, when the cleaning plate 68 moves downwards, the springs 63 push the sealing plate 65 to move downwards to seal the connecting pipe 5, and when the cleaning plate 68 moves to the bottommost end, the material remained in the discharging box 61 is all extruded through the discharging head 67, the user then stops the extension of the power pushrod 69.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A3D printing device for oral surgery inter-jaw traction, includes processing case (1), its characterized in that: the upper surface of the treatment box (1) is provided with a discharging mechanism (8), a feed opening (9) is correspondingly arranged below the discharging mechanism (8), the feed opening (9) is arranged in the upper surface of the treatment box (1), the inner walls of the front side and the rear side of the treatment box (1) are provided with driving mechanisms (2), two hot melting mechanisms (4) are arranged below the driving mechanism (2), the two hot melting mechanisms (4) are respectively arranged on the inner walls of the left side and the right side of the treatment box (1), the inner wall of the treatment box (1) is fixedly connected with a guide plate (7), the guide plate (7) is obliquely arranged, the inner wall of the lower side of the treatment box (1) is fixedly connected with the upper end of a connecting pipe (5), the other end of the connecting pipe (5) is fixedly connected in the discharging mechanism (6), the discharging mechanism (6) is arranged on the bottom surface of the treatment box (1), and a switch (10) is fixedly connected to the front surface of the treatment box (1).

2. A 3D printing device for oral surgical maxillofacial traction according to claim 1, wherein: the discharging mechanism (8) comprises a first fixing plate (81) and a second fixing plate (85), the bottom surfaces of the first fixing plate (81) and the second fixing plate (85) are fixedly connected with the upper surface of the treatment box (1), a slot (86) is formed in the front surface of the second fixing plate (85), the slot (86) on the upper side is movably connected with one end of an inserted bar (87), and the other end of the inserted bar (87) is movably connected into the slot (86) on the lower side.

3. A 3D printing device for oral surgical maxillofacial traction according to claim 2, wherein: the inserting grooves (86) on the lower side are formed in the front surface of the supporting plate (84), the inserting rods (87) are arranged in an n-shaped plate mode, opposite surfaces of the supporting plate (84) and the first fixing plate (81) are fixedly connected with opposite surfaces of the two connecting cylinders (82) respectively, inner walls of the two connecting cylinders (82) are fixedly connected with the outer surfaces of the two rolling bearings respectively, and inner sides of the two rolling bearings are movably connected with two ends of the winding roller (83) respectively.

4. A 3D printing device for oral surgical maxillofacial traction according to claim 1, wherein: actuating mechanism (2) are including two drive rollers (21), two drive roller (21) front end is all through antifriction bearing swing joint on handling case (1) front side inner wall, two the equal fixedly connected with gear (22) of drive roller (21) front side, two meshing connection, right side between gear (22) drive roller (21) rear end is through antifriction bearing swing joint on handling case (1) rear side inner wall, the left side drive roller (21) rear end fixed connection is on motor (23) output shaft, motor (23) trailing flank fixed connection is on handling case (1) rear side inner wall, motor (23) input is connected with switch (10) output end electricity.

5. The 3D printing device for oral surgical intermaxillary distraction of claim 1, wherein: two hot melt mechanism (4) all include mount (41), both sides respectively with two telescopic link (48) one end fixed connection, two around mount (41) side telescopic link (48) the equal fixed connection of the other end is on handling case (1) inner wall, two all cup jointed spring (49) on telescopic link (48), two spring (49) both ends are fixed connection respectively on mount (41) side and handling case (1) inner wall.

6. A3D printing device for oral surgical maxillofacial traction according to claim 5, wherein: the utility model discloses a hot melt roller, including mount (41), hot melt roller (42), fixing frame (41) front and back side inner wall pass through antifriction bearing respectively with both ends swing joint around hot melt roller (42), hot melt roller (42) is inside to have seted up mounting groove (43), fixedly connected with hot plate (44) on mounting groove (43) inner wall, hot melt roller (42) surface overlap joint has scraper blade (45), scraper blade (45) side and connecting plate (46) one end fixed connection, connecting plate (46) other end fixed connection is on mount (41).

7. A3D printing device for oral surgical maxillofacial traction according to claim 6, wherein: the input ends of the two heating plates (44) are respectively and electrically connected with the output ends of the two safety switches (3), the two safety switches (3) are respectively and fixedly connected to the inner walls of the left side and the right side of the treatment box (1), the two safety switches (3) are respectively overlapped with one ends, far away from the two push rods (47), of the two safety switches, and the opposite ends of the two push rods (47) are respectively and fixedly connected to the opposite surfaces of the two fixing frames (41).

8. A 3D printing device for oral surgical maxillofacial traction according to claim 1, wherein: discharge mechanism (6) are including going out workbin (61), go out workbin (61) upper surface and handle case (1) bottom surface fixed connection, go out workbin (61) left surface and connecting pipe (5) bottom fixed connection, seted up on going out workbin (61) left side inner wall recess (62), recess (62) upside inner wall and two (64) upper end fixed connection of telescopic link, two (64) bottom fixed connection of telescopic link are on shrouding (65) upper surface.

9. The 3D printing device for oral surgical intermaxillary distraction of claim 8, wherein: shrouding (85) left surface and connecting pipe (5) bottom overlap joint, two (63) springs have been cup jointed on the telescopic link two (64), two (63) both ends of spring fixed connection respectively are on recess (62) upside inner wall and shrouding (65) upper surface, shrouding (65) right flank and arm-tie (66) left surface fixed connection, arm-tie (66) bottom surface and cleaning plate (68) upper surface overlap joint, surface fixed connection is on electric putter (69) bottom on cleaning plate (68), electric putter (69) upper end fixed connection is on ejection of compact case (61) upside inner wall, the input and the switch (10) output electricity of electric putter (69) are connected.