CN112810143B

CN112810143B - 3D printing process and 3D printer for photosensitive resin false tooth

Info

Publication number: CN112810143B
Application number: CN202011629259.4A
Authority: CN
Inventors: 樊士团; 刘俊杰; 黄勇超; 罗苑宜; 刘刚; 陈海涛
Original assignee: Shenzhen New Perfect Dental Labs Co ltd
Current assignee: Shenzhen New Perfect Dental Labs Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-03-18
Anticipated expiration: 2040-12-31
Also published as: CN112810143A

Abstract

The application relates to a 3D printer of a metal denture, which comprises a machine body, wherein a liquid tank is arranged on the machine body, a platform plate is arranged on the machine body and above the liquid tank, a forming platform is arranged on the surface of the platform plate facing the liquid tank, a plurality of adhesion holes are formed in the forming platform, a platform driving device used for driving the forming platform to face or be far away from the liquid tank is arranged on the machine body, a surface light source is arranged on the machine body and under the liquid tank, and a material conveying device used for conveying raw materials into the liquid tank is arranged on one side of the machine body and on the liquid tank; this application has the advantage of saving artifical liquid photosensitive resin manpower of carrying towards the cistern.

Description

3D printing process and 3D printer for photosensitive resin false tooth

Technical Field

The application relates to the field of medical equipment, in particular to a 3D printing process and a 3D printer for a photosensitive resin false tooth.

Background

The resin molding 3D printer is an analytical instrument used in the field of mathematics, and can mold resin parts with low strength requirements and structural parts with certain functions; the existing denture molds and the like are all manufactured by adopting the resin molding 3D printer.

Chinese patent No. CN207842052U discloses a 3D printer for a denture, comprising a controller and a machine body, wherein the machine body is provided with a liquid tank having an open top end and a transparent bottom end for containing liquid photosensitive resin, the machine body is provided with a forming platform directly above the liquid tank, the forming platform is in transmission connection with a platform driving device for driving the forming platform to move towards or away from the liquid tank, and the machine body is provided with a surface light source directly below the liquid tank; a plurality of adhesion holes are formed in the forming platform in a penetrating mode, the adhesion holes sequentially comprise a supporting section, an adhesion section and a transition section, the supporting section is used for supporting formed products, the surface of the adhesion section is rough, and the inner diameter of the supporting section is larger than that of the adhesion section and/or that of the transition section. During printing, liquid photosensitive resin is placed in the liquid tank, the platform driving device drives the forming platform to be placed in the liquid tank, the surface light source irradiates towards the photosensitive resin, the photosensitive resin finally forms a three-dimensional specific shape after being cured by one layer of light irradiating, and production efficiency is high.

With respect to the related art among the above, the inventors consider that the following technical drawbacks exist: when liquid photosensitive resin is placed in the liquid tank, an operator needs to manually pour the liquid photosensitive resin into the liquid tank, so that the liquid photosensitive resin is conveyed, manual feeding is adopted, and manpower is wasted.

Disclosure of Invention

In order to save the manual work and empty liquid photosensitive resin's manpower, this application provides a 3D printer of photosensitive resin artificial tooth.

The application provides a 3D printer of photosensitive resin artificial tooth adopts following technical scheme.

A3D printer of a photosensitive resin false tooth comprises a machine body, wherein a liquid tank is arranged on the machine body, a platform plate is arranged on the machine body and above the liquid tank, a forming platform is arranged on the surface of the platform plate facing the liquid tank, a plurality of adhesion holes are formed in the forming platform, a platform driving device used for driving the forming platform to face or be far away from the liquid tank is arranged on the machine body, a surface light source is arranged on the machine body and under the liquid tank, a material conveying device used for conveying raw materials into the liquid tank is arranged on one side of the machine body and on the side of the liquid tank, the material conveying device comprises a supporting rod arranged on the machine body, a first driving rod arranged above the liquid tank is arranged at the position, perpendicular to the first driving rod, of the surface of the first driving rod facing the liquid tank, a second driving rod is arranged perpendicular to the first driving rod, conveying pipes are arranged on the surface of the second driving rod, adjacent to the surface of the liquid tank, and on the two sides of the second driving rod, both sides the tip that the conveyer pipe is close to the cistern all is provided with the shower nozzle, be provided with on the first actuating lever and be used for driving the second actuating lever along the first actuating lever length direction first drive arrangement that removes, be provided with on the second actuating lever and be used for driving the second drive arrangement that the both sides shower nozzle was close to or was kept away from each other, be provided with the conveyor who is used for simultaneously to the interior transported substance material of both sides conveyer pipe on the lateral wall of organism, be provided with on the organism and be used for driving the rotating device that the cistern was kept away from to first actuating lever and second actuating lever.

By adopting the technical scheme, the conveying device can convey liquid photosensitive resin into the conveying pipe, the liquid photosensitive resin can be sprayed into the liquid tank through the spray heads, the spray heads on two sides can be driven to be close to or far away from each other through the second driving device, so that the spray heads can be adjusted in position along the length direction of the second driving rod, the spray heads can be driven to be adjusted in position along the length direction vertical to the second driving rod through the first driving device, the liquid photosensitive resin is uniformly conveyed into the liquid tank through the spray heads on two sides due to poor liquidity of the liquid photosensitive resin, the time for changing the flowing state of the liquid photosensitive resin into the static state is shortened, the conveying efficiency of the liquid photosensitive resin is improved, and the printing efficiency during 3D printing is indirectly prolonged; when the material conveying device is not needed, the rotating device drives the first driving rod and the second driving rod to rotate to the position far away from the liquid tank, and therefore the first driving rod and the second driving rod are prevented from influencing the forming of the 3D model.

Optionally, the conveying device includes a storage box fixedly disposed on a side wall of the machine body, a feeding pipe is disposed on a top wall of the storage box and communicated with the storage box, a first feeding pipe is fixedly connected to the top wall of the storage box in a penetrating manner, one end of the first feeding pipe extends to the bottom of the storage box, the other end of the first feeding pipe extends to the outside of the storage box, a second feeding pipe is disposed at a position, perpendicular to the first feeding pipe, of an end portion of the first feeding pipe located outside the storage box, an organ pipe is disposed at both ends of the second feeding pipe and communicated with the second feeding pipe, an end portion, away from the second feeding pipe, of the organ pipe is communicated with the conveying pipe on one side, an end portion, away from the second feeding pipe, of the organ pipe is communicated with the conveying pipe on the other side, and a conveying pump is disposed on the first feeding pipe.

Through adopting above-mentioned technical scheme, the delivery pump can be intraductal with liquid photosensitive resin pump sending to first feed, is divided into two strands through second feed pipe, and two strand liquid photosensitive resin accessible organ pipes are carried to the both sides shower nozzle in to realized the defeated material when to the both sides shower nozzle, and make the defeated material volume of both sides shower nozzle always, thereby further make that the both sides shower nozzle can be even carry liquid photosensitive resin to the cistern in, improved the transport effect to photosensitive resin.

Optionally, a first chute has been seted up along the length direction of first actuating lever on the face of first actuating lever orientation cistern, be provided with on the second actuating lever and be used for joint and sliding connection in first chute first slider, the second actuating lever slides through first chute and first slider and sets up on first actuating lever, first drive arrangement includes that the length direction along first chute rotates the screw lead screw that sets up in first chute, first slider cover is established and the screw thread is on the screw lead screw, the end fixing that the bracing piece was kept away from to first actuating lever is provided with and is used for driving screw lead screw pivoted first motor.

By adopting the technical scheme, the first motor drives the threaded lead screw to rotate, and the first sliding block is connected in the first sliding groove in a sliding manner, so that the first sliding block cannot rotate along with the rotation of the threaded lead screw, the first sliding block is positioned on the threaded lead screw to move, the first sliding block drives the second driving rod to move, the position of the spray head is adjusted along the length direction of the first driving rod, the spray head can uniformly convey liquid photosensitive resin into the liquid tank, and the conveying efficiency of the liquid photosensitive resin is improved; the mode that adopts the screw lead screw to drive first slider, its simple structure can drive the position after the second actuating lever is fixed to interior arbitrary removal, has improved the drive effect to first slider.

Optionally, a second sliding groove is formed in the surface, adjacent to the liquid tank, of the second driving rod along the length direction of the second driving rod, a second sliding block used for being connected with a joint and connected in the second sliding groove in a sliding mode is arranged on the side wall of the conveying pipe, the conveying pipe is arranged on the second driving rod through the second sliding groove and the second sliding block in a sliding mode, the second driving device comprises a bidirectional screw rod arranged in the second sliding groove in a rotating mode along the length direction of the second sliding groove, the two sides of the bidirectional screw rod are sleeved with the second sliding block and connected to the two end screw threads of the bidirectional screw rod in a threaded mode, and a second motor used for driving the bidirectional screw rod to rotate is fixedly arranged at one end of the second driving rod.

By adopting the technical scheme, the two-way screw rod is driven to rotate by the second motor, the second sliding blocks are arranged in the second sliding grooves in a sliding manner, so that the second sliding blocks cannot rotate along with the rotation of the two-way screw rod, the screw thread parts on two sides of the two-way screw rod are opposite in rotating direction, the second sliding blocks on two sides are positioned on the two-way screw rod and are close to or far away from each other, the second sliding blocks on two sides drive the spray head to move along the length direction of the second driving rod, the spray head further uniformly conveys liquid photosensitive resin into the liquid tank, and the conveying efficiency of the liquid photosensitive resin is further improved; the mode that the threaded lead screw drives the second sliding block is adopted, the structure is simple, the spray head can be driven to be fixed to the position in the spray head after being moved randomly, and the driving effect on the second sliding block is improved.

Optionally, a position on the machine body, where the supporting rod is located, is provided with an adjusting rod, the length direction of the adjusting rod is arranged along the length direction of the first driving rod perpendicular to the length direction of the adjusting rod, a moving plate which is arranged on the adjusting rod in a sliding manner along the length direction of the adjusting rod is arranged at the end part, close to the machine body, of the supporting rod, and a third driving device which is used for driving the moving plate to drive the supporting rod to move along the length direction of the adjusting rod is arranged on the adjusting rod.

Through adopting above-mentioned technical scheme, it moves on the pole to drive the bracing piece to be located the regulation through third drive arrangement to further adjust the position of second actuating lever along the length direction of second actuating lever, make both sides shower nozzle can further be applicable to the cistern of different specifications, thereby further make liquid photosensitive resin by even transport to the cistern in, improved the transport efficiency when carrying liquid photosensitive resin.

Optionally, a third sliding groove is formed in the face, deviating from the machine body, of the adjusting rod in the length direction of the adjusting rod, a third sliding block used for being connected in a clamping mode and connected in the third sliding groove in a sliding mode is arranged on the moving plate, the third driving device comprises a screw rod arranged in the third sliding groove in a rotating mode along the length direction of the third sliding groove, the third sliding block is sleeved with the screw rod, the screw rod is connected to the screw rod in a threaded mode, and a third motor used for driving the screw rod to rotate is fixedly arranged at one end of the adjusting rod.

By adopting the technical scheme, the third motor drives the screw rod to rotate, and the third sliding block is connected in the third sliding groove in a sliding manner, so that the third sliding block is positioned on the screw rod to move, the third sliding block drives the supporting rod to move along the length direction of the adjusting rod, the sprayers on two sides are driven to further move along the length direction of the second driving rod, the moving range of the sprayers is increased, and the material conveying efficiency is further improved; the screw driving mode is simple in structure, the third sliding block can be driven to be fixed to the position after the third sliding block moves randomly, and the driving effect on the third sliding block is improved.

Optionally, the machine body is provided with a containing groove at a position where the adjusting rod is located, the adjusting rod is arranged in the containing groove in a sliding mode along the height direction of the containing groove, and a lifting device used for driving the adjusting rod to move along the height direction of the containing groove is arranged in the containing groove.

Through adopting above-mentioned technical scheme, elevating gear can drive and adjust the pole lift to make and adjust the pole and drive the shower nozzle and adjust its and the cistern diapire between the interval, through the regulation of carrying out the interval between shower nozzle and the cistern diapire, make the shower nozzle can be by shallow to dark carry out liquid photosensitive resin's transport, further improved the transport effect to liquid photosensitive resin, can prevent simultaneously to drive liquid photosensitive resin and splash when defeated material.

Optionally, the lifting device comprises a lifting electric cylinder which is fixedly arranged on the bottom wall of the accommodating groove and located on two sides of the accommodating groove, and a driving end of the lifting electric cylinder is fixedly connected to the adjusting rod.

Through adopting above-mentioned technical scheme, drive through the lift electric cylinder and adjust the pole lift for adjust the pole and drive the shower nozzle and go up and down, thereby to the interval regulation between shower nozzle and the cistern, adopt its simple structure of lift electric cylinder driven mode, be convenient for maintain, improved the drive effect to the regulation pole.

Optionally, the tip that the bracing piece is close to the organism wears to establish and rotates and connect on the movable plate, rotating device establishes and the turbine of fixed connection on the bracing piece including the cover, the fixed rotation motor that is provided with on the movable plate, the fixed worm that is used for with turbine meshing that is provided with on the drive end of rotation motor.

By adopting the technical scheme, the worm is driven to rotate by rotating the motor, so that the worm drives the worm wheel to rotate, the worm wheel drives the supporting rod to rotate, the supporting rod drives the first driving rod and the second driving rod to rotate to the position far away from the liquid tank, the first driving rod and the second driving rod are prevented from influencing the forming of the liquid photosensitive resin, the worm is used for driving the worm wheel, the supporting rod can be driven to rotate by 360 degrees, and the driving effect on the supporting rod is improved.

In order to save the manpower that liquid photosensitive resin was emptyd to the manual work, this application provides the printing technology of 3D printer of photosensitive resin artificial tooth.

The application provides a 3D printing technology of photosensitive resin artificial tooth adopts following technical scheme:

A3D printing process of a photosensitive resin denture comprises a 3D printer of the photosensitive resin denture, and comprises:

when liquid photosensitive resin needs to be conveyed into the liquid tank, firstly, the worm is driven to rotate by rotating the motor, the worm wheel drives the supporting rod to rotate, so that the first driving rod rotates to the upper part of the liquid tank, the liquid photosensitive resin is conveyed into the conveying pipe by the conveying pump (135), meanwhile, the two-way screw rod is driven to rotate by the second motor, the second slider is arranged in the second chute in a sliding manner, so that the second slider cannot rotate along with the rotation of the threaded screw rod, the second sliders on two sides are positioned on the two-way screw rod to be close to or far away from each other, the conveying pipe drives the spray head to convey the liquid photosensitive resin into the liquid tank, at the moment, the threaded screw rod is driven to rotate by the first motor, the first slider is arranged in the first chute in a sliding manner, so that the first slider cannot rotate along with the rotation of the threaded screw rod, and the first slider drives the second driving rod to move, the position of the second driving rod on the first driving rod is adjusted, and the liquid photosensitive resin is uniformly conveyed into the liquid tank by repeating the steps, so that the liquid photosensitive resin is automatically conveyed.

Through adopting above-mentioned technical scheme, can realize the automatic defeated material of liquid photosensitive resin to the manpower of artifical defeated material has been saved, removes through driving the second actuating lever, and drive both sides shower nozzle simultaneously removes, makes the shower nozzle can be with even transport to the cistern of liquid photosensitive resin, has improved the transport effect to liquid photosensitive resin, has shortened the time that liquid photosensitive resin becomes quiescent condition by the flow state, has improved the transport efficiency to liquid photosensitive resin.

In summary, the present application includes at least one of the following beneficial technical effects:

the conveying device can convey liquid photosensitive resin into the conveying pipe, the liquid photosensitive resin can be sprayed into the liquid tank through the spray heads, the spray heads on two sides can be driven to be close to or far away from each other through the second driving device, so that the positions of the spray heads can be adjusted along the length direction of the second driving rod, the spray heads can be driven to adjust the positions of the spray heads along the length direction perpendicular to the second driving rod through the first driving device, the liquid photosensitive resin is uniformly conveyed into the liquid tank through the spray heads on two sides due to poor liquidity of the liquid photosensitive resin, the time for changing the liquid photosensitive resin from a flowing state to a static state is shortened, the conveying efficiency of the liquid photosensitive resin is improved, and the printing efficiency during 3D printing is indirectly prolonged; when the material conveying device is not needed, the rotating device drives the first driving rod and the second driving rod to rotate to positions far away from the liquid tank, so that the first driving rod and the second driving rod are prevented from influencing the forming of the 3D model;

the third driving device drives the supporting rod to be located on the adjusting rod to move, so that the position of the second driving rod is further adjusted along the length direction of the second driving rod, the sprayers on the two sides can be further suitable for liquid tanks with different specifications, the liquid photosensitive resin is further uniformly conveyed into the liquid tanks, and the conveying efficiency of the liquid photosensitive resin during conveying is improved;

elevating gear can drive and adjust the pole lift to make the regulation pole drive the shower nozzle and adjust its and the cistern diapire between the interval, through the regulation of carrying out the interval between shower nozzle and the cistern diapire, make the shower nozzle can be by shallow to dark carry out liquid photosensitive resin, further improved the transport effect to liquid photosensitive resin, simultaneously can prevent to drive liquid photosensitive resin when defeated material and splash.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view illustrating an adjustment lever, a first driving rod and a second driving rod according to an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of an adjustment lever, a primary drive rod and a secondary drive rod according to an embodiment of the present application;

fig. 4 is a schematic sectional view for showing an electric cylinder for lifting in an embodiment of the present application.

Description of reference numerals: 1. a body; 11. a liquid bath; 111. a platform plate; 112. a forming platform; 113. an adhesion hole; 114. a platform driving device; 115. a surface light source; 12. accommodating grooves; 121. adjusting a rod; 122. a support bar; 123. a first drive lever; 124. a second drive lever; 125. a delivery pipe; 126. a spray head; 127. mounting a plate; 128. a bolt; 129. moving the plate; 13. a material storage box; 131. a feed pipe; 132. a first feed pipe; 133. a second feed pipe; 134. an organ tube; 135. a delivery pump; 14. a first chute; 141. a first slider; 142. a threaded lead screw; 143. a first motor; 15. a second chute; 151. a second slider; 152. a bidirectional lead screw; 153. a second motor; 16. a turbine; 161. rotating the motor; 162. a worm; 17. a third chute; 171. a third slider; 172. a screw; 173. a third motor; 18. a fourth chute; 181. a fourth slider; 182. and (5) lifting the electric cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses 3D printer of photosensitive resin artificial tooth. Referring to fig. 1, a 3D printer for a photosensitive resin denture includes a machine body 1, a liquid tank 11 is disposed on the machine body 1, a platform plate 111 is disposed on the machine body 1 and above the liquid tank 11, a forming platform 112 is disposed on a surface of the platform plate 111 facing the liquid tank 11, a plurality of adhesion holes 113 are disposed on the forming platform 112, a platform driving device 114 for driving the forming platform 112 to face or be away from the liquid tank 11 is disposed on the machine body 1, and in this embodiment, the platform driving device 114 is an electric cylinder; in other embodiments, the platform drive 114 may be replaced with a hydraulic cylinder; a surface light source 115 is provided on the machine body 1 and directly below the liquid tank 11.

Referring to fig. 1 and fig. 2, a feeding device for feeding raw materials into the liquid tank 11 is disposed on the machine body 1, an accommodating groove 12 is disposed on one side of the machine body 1 and located on the liquid tank 11, an adjusting rod 121 is disposed in the accommodating groove 12, the adjusting rod 121 is disposed along a length direction of one side of the liquid tank 11, the feeding device includes a moving plate 129 disposed on the adjusting rod 121, a supporting rod 122 is disposed on the moving plate 129 and perpendicular to the moving plate 129, a first driving rod 123 located above the liquid tank 11 is disposed on the end portion of the supporting rod 122 far away from the machine body 1 and perpendicular to the supporting rod 122, a second driving rod 124 is disposed on the surface of the first driving rod 123 facing the liquid tank 11 and perpendicular to the first driving rod 123, conveying pipes 125 are disposed on two sides adjacent to the surface of the liquid tank 11 and located on two sides of the second driving rod 124, and end portions of the conveying pipes 125 on two sides close to the liquid tank 11 are provided with a spray nozzle 126.

Referring to fig. 1 and 2, in order to convey liquid photosensitive resin into the nozzle 126, a conveying device is disposed on a sidewall of the body 1 for conveying materials into the two side conveying pipes 125 at the same time, the conveying device includes a storage tank 13 fixedly disposed on the sidewall of the body 1, a feeding pipe 131 is disposed on a top wall of the storage tank 13 and communicated with the storage tank 13, a first feeding pipe 132 is disposed on the top wall of the storage tank 13 in a penetrating manner and fixedly connected with the top wall of the storage tank 13, one end of the first feeding pipe 132 extends to a bottom of the storage tank 13, the other end extends to an outside of the storage tank 13, a second organ-shaped feeding pipe 133 is disposed at an end portion of the first feeding pipe 132, which is perpendicular to the first feeding pipe 132, two ends of the second feeding pipe 133 are communicated with the second feeding pipe 133, one side conveying pipe 134 is communicated with the conveying pipe 125 at an end portion of the second feeding pipe 134, which is far away from the second feeding pipe 133, and the other side conveying pipe 125 is communicated with the other side conveying pipe 125 at an end portion of the second feeding pipe 134, the first supply pipe 132 is provided with a transfer pump 135.

The liquid photosensitive resin is pumped into the first supply pipe 132 by the transfer pump 135, and is divided into two by the second supply pipe 133 and is transferred into the two side organ pipes 134, and the two side organ pipes 134 can simultaneously transfer the liquid photosensitive resin into the two side nozzles 126, thereby realizing the simultaneous transfer of the liquid photosensitive resin in the two side nozzles 126.

With reference to fig. 2 and fig. 3, in order to drive the second driving rod 124 to move along the length direction of the first driving rod 123, a first sliding slot 14 is formed in the surface of the first driving rod 123 facing the liquid tank 11 along the length direction of the first driving rod 123, a first slider 141 for being clamped and slidably connected in the first sliding slot 14 is arranged on the second driving rod 124, and the second driving rod 124 is slidably arranged on the first driving rod 123 through the first sliding slot 14 and the first slider 141; in the present embodiment, in order to prevent the first slider 141 from being separated from the first sliding chute 14, the cross section of the first sliding chute 14 is configured to be "T" shaped, and the first slider 141 is configured to cooperate with the "T" shaped first sliding chute 14; in order to drive the second driving rod 124 to move along the length direction of the first driving rod 123, a first driving device for driving the second driving rod 124 to move along the length direction of the first driving rod 123 is arranged on the first driving rod 123, the first driving device includes a threaded lead screw 142 rotatably arranged in the first sliding chute 14 along the length direction of the first sliding chute 14, a first slider 141 is sleeved on the threaded lead screw 142, and a first motor 143 for driving the threaded lead screw 142 to rotate is fixedly arranged at the end part of the first driving rod 123 far away from the supporting rod 122.

The first electric motor drives the threaded lead screw 142 to rotate, and the first slider 141 is arranged in the first sliding groove 14 in a sliding manner, so that the first slider 141 cannot rotate along with the rotation of the threaded lead screw 142, the first slider 141 is located on the threaded lead screw 142 to move, the first slider 141 drives the second driving rod 124 to move along the length direction of the first driving rod 123, and the second driving rod 124 is driven; in other embodiments, the first driving device may be replaced by an electric cylinder fixedly disposed at an end of the first driving rod 123, and a driving end of the electric cylinder is inserted into the first sliding slot 14 and drives an output end of the electric cylinder to be fixedly connected to the first sliding block 141, so that the electric cylinder can also drive the first sliding block 141 to move in the first sliding slot 14.

With reference to fig. 2 and fig. 3, in order to enable the delivery pipe 125 to drive the spray head 126 to be slidably disposed on the second driving rod 124 along the length direction of the second driving rod 124, a second sliding slot 15 is disposed on the surface of the second driving rod 124 adjacent to the liquid tank 11 along the length direction of the second driving rod 124, a second slider 151 for being clamped and slidably connected in the second sliding slot 15 is disposed on the side wall of the delivery pipe 125, and the delivery pipe 125 is slidably disposed on the second driving rod 124 through the second sliding slot 15 and the second slider 151; in the present embodiment, in order to prevent the second sliding block 151 from being separated from the second sliding chute 15, the cross section of the second sliding chute 15 is configured to be "T" shaped, and the second sliding block 151 is configured to cooperate with the "T" shaped second sliding chute 15; in order to drive the conveying pipe 125 to drive the spray heads 126 to move along the length direction of the second driving rod 124, a second driving device for driving the spray heads 126 on the two sides to approach or leave each other is arranged on the second driving rod 124, the second driving device comprises a two-way screw 152 rotatably arranged in the second sliding groove 15 along the length direction of the second sliding groove 15, the second sliding blocks 151 on the two sides are sleeved on and are in threaded connection with thread portions at two ends of the two-way screw 152, and a second motor 153 for driving the two-way screw 152 to rotate is fixedly arranged at one end of the second driving rod 124.

The bidirectional screw 152 is driven to rotate by the second motor, the second sliding block 151 is arranged in the second sliding groove 15 in a sliding manner, so that the second sliding block 151 cannot rotate along with the rotation of the bidirectional screw 152, and the screw thread parts at the two ends of the bidirectional screw 152 are opposite in rotating direction, so that the second sliding blocks 151 at the two sides are positioned on the bidirectional screw 152 to be close to or far away from each other, the second sliding block 151 drives the conveying pipe 125 to move along the length direction of the second driving rod 124, and the spray head 126 is driven; in other embodiments, the second driving device may be replaced by an electric cylinder fixedly disposed at both ends of the second driving rod 124, and the driving end of the electric cylinder is inserted into the second sliding slot 15 and drives the output end of the electric cylinder to be fixedly connected to the second sliding block 151, so that the electric cylinders at both sides can also drive the second sliding blocks 151 at both sides to be located in the second sliding slot 15 and to be close to or far from each other.

With reference to fig. 2 and fig. 3, in order to drive the supporting rod 122 to rotate on the adjusting rod 121, so that the supporting rod 122 drives the first driving rod 123 and the second driving rod 124 to move to positions away from the liquid tank 11, a rotating device for driving the supporting rod 122 to drive the first driving rod 123 and the second driving rod 124 to move away from the liquid tank 11 is disposed on the machine body 1; the end of the support rod 122 close to the machine body 1 is inserted and rotatably connected to the moving plate 129, the rotating device includes a turbine 16 sleeved and fixedly connected to the support rod 122, a rotating motor 161 is fixedly arranged on the moving plate 129, and a worm 162 engaged with the turbine 16 is fixedly arranged at the driving end of the rotating motor 161.

The worm 162 is driven to rotate by the rotating motor 161, so that the worm 162 drives the worm wheel 16 to rotate, the worm wheel 16 drives the supporting rod 122 to rotate on the moving plate 129, the supporting rod 122 drives the first driving rod 123 and the second driving rod 124 to rotate, and the first driving rod 123 and the second driving rod 124 rotate to positions far away from the liquid tank 11, so that the first driving rod 123 and the second driving rod 124 are prevented from influencing the molding of the liquid photosensitive resin; in other embodiments, the worm wheel 16 and the worm 162 may be replaced by two gears engaged with each other, one of the gears is sleeved and fixedly connected to the supporting rod 122, and the other gear is sleeved and fixedly connected to the driving end of the rotating motor 161, so that the two gears can also complete the rotation driving of the supporting rod 122.

With reference to fig. 2 and 3, in this embodiment, in order to detachably connect the first driving rod 123 to the supporting rod 122, a mounting plate 127 is disposed at an end portion of the supporting rod 122 close to the first driving rod 123, a plurality of bolts 128 for being screwed into the first driving rod 123 are disposed on the mounting plate 127, the first driving rod 123 is detachably connected to the supporting rod 122 through the mounting plate 127 and the bolts 128, and after the first driving rod 123 and the second driving rod 124 are removed, maintenance and replacement of each component on the first driving rod 123 and the second driving rod 124 are facilitated.

With reference to fig. 2 and 3, the length direction of the adjusting rod 121 is perpendicular to the length direction of the first driving rod 123, in order to drive the supporting rod 122 to slide on the adjusting rod 121 along the length direction of the adjusting rod 121, a third sliding slot 17 is formed in the adjusting rod 121 on the surface of the adjusting rod 121 away from the machine body 1 along the length direction of the adjusting rod 121, a third slider 171 for clamping and sliding connection in the third sliding slot 17 is arranged on the moving plate 129, and the moving plate 129 is slidably arranged on the adjusting rod 121 through the third sliding slot 17 and the third slider 171; in the present embodiment, in order to prevent the third slider 171 from being disengaged from the third slide groove 17, the cross section of the third slide groove 17 is formed in a "T" shape, and the third slider 171 is disposed in cooperation with the third slide groove 17 of the "T" shape; in order to drive the moving plate 129 to drive the third slider 171 to move in the third sliding chute 17, a third driving device for driving the moving plate 129 to drive the supporting rod 122 to move along the length direction of the adjusting rod 121 is arranged on the adjusting rod 121; the third driving device includes a screw 172 rotatably disposed in the third sliding slot 17 along the length direction of the third sliding slot 17, a third slider 171 is sleeved on the screw 172 and is threadedly connected to the screw, and a third motor 173 for driving the screw 172 to rotate is fixedly disposed at one end of the adjusting rod 121.

The third electric motor drives the screw 172 to rotate, and the third slider 171 is slidably disposed in the third sliding groove 17, so that the third slider 171 cannot rotate along with the rotation of the screw 172, and the third slider 171 is located on the screw 172 to move, so that the third slider 171 drives the supporting rod 122 to move along the length direction of the adjusting rod 121, and the supporting rod 122 is driven; in other embodiments, the third driving device may be replaced by an electric cylinder fixedly disposed at the end of the third driving rod, and the driving end of the electric cylinder is inserted into the third sliding slot 17 and drives the output end of the electric cylinder to be fixedly connected to the third sliding block 171, so that the electric cylinder can also drive the third sliding block 171 to move in the third sliding slot 17.

Referring to fig. 1 and 4, in order to drive the adjusting rod 121 to be slidably disposed in the accommodating groove 12 along the height direction of the accommodating groove 12, fourth sliding grooves 18 are formed on two sides of the accommodating groove 12, and fourth sliding blocks 181 (see fig. 3) for slidably connecting to the fourth sliding grooves 18 are disposed on two sides of the adjusting rod 121; in this embodiment, in order to improve the sliding effect of the fourth sliding block 181 located in the fourth sliding groove 18, the cross section of the fourth sliding groove 18 is configured to be "U" shaped, and the fourth sliding block 181 is configured to cooperate with the "U" shaped fourth sliding groove 18; in order to drive the adjusting rod 121 to drive the fourth slider 181 to move in the fourth sliding slot 18, a lifting device for driving the adjusting rod 121 to move in the height direction of the accommodating slot 12 is arranged in the accommodating slot 12; the lifting device comprises lifting electric cylinders 182 which are fixedly arranged on the bottom wall of the accommodating groove 12 and positioned at two sides of the accommodating groove 12, and the driving ends of the lifting electric cylinders 182 are fixedly connected to the adjusting rods 121; the lifting electric cylinder 182 can drive the adjusting rod 121 to move, so that the adjusting rod 121 drives the fourth sliding block 181 to move in the fourth sliding chute 18; in other embodiments, the lifting electric cylinder 182 may be replaced by an air cylinder, and the air cylinder may also be used to drive the adjusting rod 121 to drive the fourth sliding block 181 to move up and down in the fourth sliding chute 18.

A3D printing process of a photosensitive resin denture comprises a 3D printer of the photosensitive resin denture, and comprises the following steps:

when liquid photosensitive resin needs to be conveyed into the liquid tank 11, firstly, the worm 162 is driven to rotate by the rotating motor 161, so that the worm wheel 16 drives the support rod 122 to rotate, thereby the first drive rod 123 rotates to the upper side of the liquid tank 11, the liquid photosensitive resin is conveyed into the conveying pipe 125 by the conveying pump (135), meanwhile, the two-way screw 152 is driven to rotate by the second motor 153, as the second slider 151 is arranged in the second chute 15 in a sliding manner, the second slider 151 cannot rotate along with the rotation of the threaded screw 142, thereby the second sliders 151 on the two sides are positioned on the two-way screw 152 to be close to or far away from each other, so that the conveying pipe 125 drives the nozzle 126 to convey the liquid photosensitive resin into the liquid tank 11, at this time, the threaded screw 142 is driven to rotate by the first motor 143, as the first slider 141 is arranged in the first chute 14 in a sliding manner, so that the first slider 141 cannot rotate along with the rotation of the threaded screw 142, therefore, the first slider 141 drives the second driving rod 124 to move, so as to adjust the position of the second driving rod 124 on the first driving rod 123, and by repeating the above steps, the liquid photosensitive resin is uniformly conveyed into the liquid tank 11, so that the conveying of the liquid photosensitive resin is automatically completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a 3D printer of photosensitive resin artificial tooth, includes organism (1), be provided with cistern (11) on organism (1), the top that just is located cistern (11) on organism (1) is provided with landing slab (111), landing slab (111) are provided with forming platform (112) on the face towards cistern (11), a plurality of adhesion holes (113) have been seted up on forming platform (112), be provided with on organism (1) and be used for driving forming platform (112) orientation or keep away from platform drive arrangement (114) of cistern (11), just be located cistern (11) on organism (1) and be provided with area source (115), its characterized in that under: the feeding device is arranged on the machine body (1) and positioned on one side of the liquid tank (11) and used for conveying raw materials into the liquid tank (11), the feeding device comprises a supporting rod (122) arranged on the machine body (1), a first driving rod (123) positioned above the liquid tank (11) is arranged on the supporting rod (122) in a manner that the end part of the supporting rod (122) far away from the machine body (1) is perpendicular to the supporting rod (122), a second driving rod (124) is arranged on the surface of the first driving rod (123) facing the liquid tank (11) and perpendicular to the first driving rod (123), conveying pipes (125) are arranged on the surfaces of the second driving rods (124) adjacent to the liquid tank (11) and positioned on two sides of the second driving rod (124), spray heads (126) are arranged on the end parts, close to the liquid tank (11), of the conveying pipes (125), and a first driving device used for driving the second driving rod (124) to move along the length direction of the first driving rod (123) is arranged on the first driving rod (123), the second driving device is arranged on the second driving rod (124) and used for driving the spray heads (126) on the two sides to be close to or far away from each other, the conveying device is arranged on the side wall of the machine body (1) and used for conveying materials into the conveying pipes (125) on the two sides at the same time, and the rotating device is arranged on the machine body (1) and used for driving the supporting rod (122) to drive the first driving rod (123) and the second driving rod (124) to be far away from the liquid tank (11).

2. The 3D printer of a photosensitive resin denture as claimed in claim 1, wherein: the conveying device comprises a storage box (13) fixedly arranged on the side wall of the machine body (1), a feeding pipe (131) is arranged on the top wall of the storage box (13) and communicated with the storage box (13), a first feeding pipe (132) penetrates through and is fixedly connected with the top wall of the storage box (13), one end of the first feeding pipe (132) extends to the bottom of the storage box (13), the other end of the first feeding pipe extends to the outside of the storage box (13), a second feeding pipe (133) is arranged at the end part, located outside the storage box (13), of the first feeding pipe (132) and perpendicular to the first feeding pipe (132), two ends of the second feeding pipe (133) are communicated with the second feeding pipe (133) to form an organ pipe (134), the end part, far away from the second feeding pipe (133), of the organ pipe (134) at one side is communicated to the conveying pipe (125) at one side, and the end part, far away from the second feeding pipe (133), of the organ pipe (134) at the other side is communicated to the conveying pipe (125), the first feeding pipe (132) is provided with a conveying pump (135).

3. The 3D printer of a photosensitive resin denture as claimed in claim 2, wherein: first driving lever (123) have been seted up along the length direction of first driving lever (123) on the face of first actuating lever (123) orientation cistern (11), be provided with on second driving lever (124) and be used for joint and sliding connection in first spout (14) first slider (141), second driving lever (124) slide through first spout (14) and first slider (141) and set up on first actuating lever (123), first drive arrangement rotates screw lead (142) that set up in first spout (14) including the length direction along first spout (14), first slider (141) cover is established and the screw thread is on screw lead (142), the end fixing that bracing piece (122) was kept away from in first driving lever (123) is provided with and is used for driving screw lead (142) pivoted first motor (143).

4. A 3D printer of a photosensitive resin denture as claimed in claim 3, wherein: second spout (15) have been seted up along the length direction of second actuating lever (124) on the face that second actuating lever (124) are adjacent to cistern (11), be provided with on the lateral wall of conveyer pipe (125) and be used for joint and sliding connection in second spout (15) second slider (151), conveyer pipe (125) slide through second spout (15) and second slider (151) and set up on second actuating lever (124), second drive arrangement rotates two-way lead screw (152) of setting in second spout (15) including the length direction along second spout (15), both sides second slider (151) cover is established and threaded connection is on the both ends screw portion of two-way lead screw (152), the one end of second actuating lever (124) is fixed to be provided with and is used for driving two-way lead screw (152) pivoted second motor (153).

5. The 3D printer of a photosensitive resin denture as claimed in claim 4, wherein: an adjusting rod (121) is arranged on the machine body (1) and at the position where the supporting rod (122) is located, the length direction of the adjusting rod (121) is arranged along the length direction perpendicular to the first driving rod (123), a moving plate (129) which is arranged on the adjusting rod (121) in a sliding mode along the length direction of the adjusting rod (121) is arranged at the end portion, close to the machine body (1), of the supporting rod (122), and a third driving device which is used for driving the moving plate (129) to drive the supporting rod (122) to move along the length direction of the adjusting rod (121) is arranged on the adjusting rod (121).

6. The 3D printer of a photosensitive resin denture as claimed in claim 5, wherein: adjust pole (121) and deviate from the face of organism (1) on along the length direction who adjusts pole (121) and seted up third spout (17), be provided with on movable plate (129) and be used for joint and sliding connection third slider (171) in third spout (17), third drive arrangement includes that the length direction along third spout (17) rotates screw rod (172) of setting in third spout (17), third slider (171) cover is established and threaded connection is on screw rod (172), the one end of adjusting pole (121) is fixed to be provided with and is used for driving screw rod (172) pivoted third motor (173).

7. The 3D printer of a photosensitive resin denture as claimed in claim 5, wherein: the utility model discloses a turbine, including bracing piece (122), turbine (16), rotating device, fixed connection, fixed motor (161) rotate, the tip that bracing piece (122) are close to organism (1) is worn to establish and rotate and is connected on movable plate (129), rotating device establishes and turbine (16) on bracing piece (122) including the cover, the fixed rotation motor (161) that is provided with on movable plate (129), fixed being provided with on the drive end of rotation motor (161) is used for worm (162) with turbine (16) meshing.

8. The 3D printer of a photosensitive resin denture as claimed in claim 1, wherein: the machine body (1) is provided with an accommodating groove (12) at the position where the adjusting rod (121) is located, the adjusting rod (121) is arranged in the accommodating groove (12) in a sliding mode along the height direction of the accommodating groove (12), and a lifting device used for driving the adjusting rod (121) to move along the height direction of the accommodating groove (12) is arranged in the accommodating groove (12).

9. The 3D printer of a photosensitive resin denture as claimed in claim 8, wherein: the lifting device comprises lifting electric cylinders (182) which are fixedly arranged on the bottom wall of the accommodating groove (12) and located on two sides of the accommodating groove (12), and the driving ends of the lifting electric cylinders (182) are fixedly connected to the adjusting rods (121).

10. A 3D printing process of a photopolymer denture, comprising a 3D printer of a photopolymer denture of claim 7, characterized by: the method comprises the following steps:

when liquid photosensitive resin needs to be conveyed into the liquid tank (11), firstly, the worm (162) is driven to rotate by the rotating motor (161), the turbine (16) drives the support rod (122) to rotate, so that the first drive rod (123) rotates to the position above the liquid tank (11), the liquid photosensitive resin is conveyed into the conveying pipe (125) by the conveying pump (135), meanwhile, the two-way screw (152) is driven to rotate by the second motor (153), the second sliding block (151) is arranged in the second sliding chute (15) in a sliding manner, so that the second sliding block (151) cannot rotate along with the rotation of the threaded screw (142), the second sliding blocks (151) on two sides are located on the two-way screw (152) to be close to or far away from each other, the conveying pipe (125) drives the spray head (126) to convey the liquid photosensitive resin into the liquid tank (11), and at the moment, the threaded screw (142) is driven to rotate by the first motor (143), because of first slider (141) slip setting in first spout (14), make first slider (141) can not follow the rotation of screw lead screw (142) and rotate, thereby make first slider (141) drive second actuating lever (124) and remove, thereby adjust the position that second actuating lever (124) are located first actuating lever (123), through repeating above-mentioned step, make liquid photosensitive resin by even transport to cistern (11) in, thereby accomplish the transport to liquid photosensitive resin automatically.