WO2023125919A1 - 打印耗材输送机和3d打印机 - Google Patents

打印耗材输送机和3d打印机 Download PDF

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Publication number
WO2023125919A1
WO2023125919A1 PCT/CN2022/143859 CN2022143859W WO2023125919A1 WO 2023125919 A1 WO2023125919 A1 WO 2023125919A1 CN 2022143859 W CN2022143859 W CN 2022143859W WO 2023125919 A1 WO2023125919 A1 WO 2023125919A1
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WO
WIPO (PCT)
Prior art keywords
consumable
consumables
cutting
clamping
pressing
Prior art date
Application number
PCT/CN2022/143859
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English (en)
French (fr)
Inventor
廖启铭
Original Assignee
深圳市纵维立方科技有限公司
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Publication of WO2023125919A1 publication Critical patent/WO2023125919A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/307—Handling of material to be used in additive manufacturing
    • B29C64/321—Feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling

Definitions

  • This application belongs to the technical field of three-dimensional printing, and in particular relates to a printing consumable conveyor and a 3D printer.
  • 3D printer 3Dimension Printer, 3DP
  • 3D printer also known as three-dimensional printing equipment
  • 3D printer is a kind of accumulative manufacturing technology, that is, a device of rapid prototyping technology. It is based on a digital model file and uses special wax, powdered metal or plastic. and other bondable materials, by sequentially printing multiple layers of adhesive materials to create three-dimensional objects.
  • Existing 3D printers especially fused deposition 3D printers, generally use printing consumable conveyors for conveying consumables.
  • the existing printing consumable conveyor has a single function and can only convey a single consumable, which is no longer suitable for the development of 3D printing.
  • the technical problem to be solved in this application is to provide a printing consumable conveyor and a 3D printer that can have more functions to adapt to the development of 3D printing.
  • the present application provides a conveyor for printing consumables, including a discharge channel, at least two feed channels, a pushing device and a cutting device, at least two of the feed channels are respectively connected to the discharge channels
  • the pushing device is arranged on the feeding channel, and the pushing device is used to drive the consumables in at least one of the feeding channels to advance into the discharging channel, or to drive at least one of the feeding channels
  • the consumables inside recede, and the cutting device is arranged on the discharge channel, and the cutting device is used to cut the consumables when the pushing device drives the consumables back to a set position.
  • Another aspect of the present application provides a 3D printer, including the above printing consumable conveyor.
  • the printing consumables conveyor and the 3D printer provided in the embodiments of the present invention drive the consumables in at least one feeding channel to pass through the discharging channel and advance through the setting of a pushing device, or drive the consumables in at least one feeding channel to retreat , That is to say, at least one of the at least two consumables can be driven to discharge and return materials, avoiding manual material return operations and reducing manual workload.
  • the pushing device By setting the pushing device to drive at least one of the at least two consumables to move, when discharging again, it is possible to switch consumables of different colors or materials, which expands the scope of use, and can also drive the same consumables to move forward or backward , and then realize the continuous printing of the same consumables, avoid manual frequent filling of a single consumable after use, and reduce the manual workload.
  • the cutting device By setting the cutting device, the end of the consumable can be cut off when returning the material, avoiding the problems of blockage and material jam caused by the irregular consumable end of the consumable, even when the consumable is used again, the end of the consumable is not There are pimples formed due to the high temperature of the print head.
  • the consumables will not block the print head or extruder of the 3D printer, and will not cause damage to the 3D printer. At the same time, it also saves the steps of manual cutting of the consumable end and reduces manual work. Quantity to prevent clogging and material jams caused by manual negligence.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a printing consumables conveyor in a first viewing angle according to an embodiment of the present application
  • FIG. 2 is a schematic perspective view of the three-dimensional structure of the printing consumables conveyor in the second viewing angle of the embodiment of the present application;
  • FIG. 3 is an exploded schematic diagram of the printing consumables conveyor of the embodiment of the present application.
  • FIG. 4 is a schematic cross-sectional view of a printing consumables conveyor according to an embodiment of the present application at a first viewing angle
  • FIG. 5 is a schematic cross-sectional view of the printing consumables conveyor according to the embodiment of the present application under a second viewing angle
  • Fig. 6 is a schematic exploded view of the propulsion device of the embodiment of the present application.
  • FIG. 7 is a schematic cross-sectional view of the pushing device in the first state of the embodiment of the present application.
  • FIG. 8 is a schematic cross-sectional view of the pushing device in the second state of the embodiment of the present application.
  • FIG. 9 is a schematic cross-sectional view of the pushing device in the third state of the embodiment of the present application.
  • Fig. 10 is an explosion schematic diagram of the pressing device of the embodiment of the present application.
  • Fig. 11 is a schematic diagram of the first three-dimensional structure of the pressing device and the pressure relief device in an explosive state according to the embodiment of the present application;
  • Fig. 12 is a second perspective structural diagram of the pressing device and the pressure relief device in an exploded state according to the embodiment of the present application;
  • Fig. 13 is an exploded schematic view of the pusher of the embodiment of the present application.
  • Fig. 14 is a side view of the pusher of the embodiment of the present application.
  • Fig. 15 is an exploded schematic diagram of a cutting device according to an embodiment of the present application.
  • Fig. 16 is a schematic structural view of the first clamping part of the cutting device according to the embodiment of the present application.
  • Fig. 17 is a schematic structural diagram of the rotating part and the cutting part before the consumables are cut according to the embodiment of the present application;
  • FIG. 18 is a schematic structural diagram of a cutting device before cutting consumables according to an embodiment of the present application.
  • Fig. 19 is a schematic structural view of the rotating member and the cutting member after cutting the consumable according to the embodiment of the present application;
  • FIG. 20 is a schematic structural diagram of a cutting device after cutting consumables according to an embodiment of the present application.
  • Fig. 21 is a schematic cross-sectional view of the cutting device when the consumables pass through the channel pulley according to the embodiment of the present application;
  • Fig. 22 is a schematic cross-sectional view of the cutting device after the consumable end of the consumables passes through the channel pulley according to the embodiment of the present application;
  • FIG. 23 is a schematic cross-sectional view of the printing consumables conveyor according to the embodiment of the present application.
  • Fig. 24 is a three-dimensional structural schematic diagram of the base and the cover of the printing consumables conveyor in an exploded state according to the embodiment of the present application;
  • Fig. 25 is a structural schematic view of the base and the cover of the printing consumables conveyor according to the embodiment of the present application at a first viewing angle;
  • FIG. 26 is a schematic structural view of the base and the cover plate of the printing consumables conveyor according to the embodiment of the present application in a second viewing angle.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features.
  • “plurality” means two or more, unless otherwise specifically defined.
  • terms such as “installation”, “connection”, “connection” and “fixation” should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, unless otherwise clearly specified and limited.
  • a conveyor for printing consumables includes a discharge channel 2, at least two feed channels 1, a pushing device and a cutting device, and at least two feed channels 1 are respectively connected with the discharge channel 2, and the push device is arranged on the feed channel 1, and the push device is used to drive at least one consumable material 3 in the feed channel 1 to pass through the discharge channel 2 and advance, or to drive at least one feed material
  • the consumables 3 in the channel 1 retreat, and the cutting device is arranged on the discharge channel 2, and the cutting device is used to cut the consumables 3 when the pushing device drives the consumables 3 back to the set position.
  • the consumables 3 in at least one feed channel 1 are driven to advance into the discharge channel 2 and pass out by setting the pushing device, or the consumables 3 in at least one feed channel 1 are driven backward, that is, it can be realized to drive at least two At least one consumable material 3 among the consumable materials 3 is discharged and returned, avoiding manual material return operations and reducing manual workload.
  • the pushing device By setting the pushing device to drive at least one of the at least two consumables 3 to move, when discharging again, it is possible to switch consumables 3 of different colors or materials, which expands the scope of use, and can also drive the same consumables 3 to carry out Forward or backward, and then realize the continuous printing of the same consumable 3, avoid manual frequent filling of a single consumable 3 after use, and reduce the manual workload.
  • the end of the consumable 3 can be cut off when returning the material, avoiding the problems of blockage and material jam caused by the irregular consumption end of the consumable 3, even when the consumable 3 is used again, the consumable 3
  • the consumables 3 will not block the printing head 9 or the extruder of the 3D printer, will not cause damage to the 3D printer, and also save Eliminates the steps of manual cutting of the consumption end, reduces the manual workload, and prevents blockage and material jams caused by manual negligence.
  • the feeding channel 1 is provided in one-to-one correspondence with the consumables 3 , that is, one feeding channel 1 corresponds to one consumable 3 .
  • all the feed channels 1 are connected with the discharge channel 2, and the consumables 3 in each feed channel 1 can be driven by the pushing device to advance into the discharge channel 2, and can also be driven by the pushing device to retreat to the discharge channel 2.
  • Consumables 3 correspond to feed channel 1.
  • the setting position can be selected on the discharge channel 2 , and the cutting device cuts the consumable end of the consumable material 3 in the discharge channel 2 .
  • the pushing device includes a power part 41, a pressing device 42 and a pressure relief device 43, the consumables 3 in the feed channel 1 are located between the power part 41 and the pressing device 42, and the pressing device 42
  • the power part 41 is used to drive the clamped consumable 3 to move;
  • the pressure relief device 43 is connected to the pressing device 42, when the pressure of the pressing device 42 on the consumable When the value is greater than the preset value, the pressure relief device 43 is used to move the pressing device 42 away from the power member 41 .
  • the pressure relief device 43 can reduce the force of the pressing device 42 and the power part 41 to clamp the consumable 3, prevent the consumable 3 from being crushed, and at the same time reduce the force on the power part 41 and the pressing device 42, increasing the use of the pushing device Life, to ensure the stability of the driving device.
  • the structure of the power part 41 is not limited, and the power part 41 may include devices such as motors, which can be directly driven or indirectly driven to drive the consumables 3 to move.
  • the quantity of the pressing device 42 is not limited.
  • the quantity of consumables 3 corresponds to the quantity of the pressing device 42, and the position of each pressing device 42 corresponds to a feeding channel 1 respectively, and presses down the corresponding feeding channel 1.
  • the pressing device 42 can include at least two, and the pressing device 42 is arranged correspondingly to the consumable 3, and at least two pressing devices 42 are connected to the pressure relief device 43, and the pressing device 42 can be selectively connected with the consumable 3 contact, so that the power part 41 and the selected pressing device 42 clamp the consumable 3.
  • the pressing device 42 can be selectively contacted with the consumable 3 , that is, one of the pressing devices 42 can be selected to be in contact with the consumable 3 as required.
  • the power part 41 can include two working states. When the pushing device is in the first working state, the power part 41 drives at least one consumable material 3 in the feeding channel 1 to advance into the discharging channel 2, and the pushing device is in the second working state. , the power member 41 drives the consumables 3 in at least one feeding channel 1 to retreat.
  • the power part 41 can be realized through forward rotation and reverse rotation.
  • the pushing device of the present application when red consumables 3 and blue consumables 3 are switched to print, in the pushing device of the present application, two pressing devices 42 are set corresponding to red consumables 3 and blue consumables 3 respectively, and red consumables 3 are selected and pushed out according to requirements. When printing and switching, return the red consumable 3, and then push the blue consumable 3 out for printing.
  • the pushing device when one kind of consumable 3 is used up, the pushing device can also drive the same kind of consumable 3 to move, thereby realizing continuous printing of the same kind of consumable 3, avoiding manual frequent filling of a single consumable 3 after use, and reducing labor workload.
  • the two pressing devices 42 correspond to the same consumable 3 , and when one of the consumables 3 is about to be used up, the consumable 3 can be returned, and then the other consumable 3 can be pushed out to realize continuous printing of the same consumable 3 .
  • the first working state is the feeding working state of the pushing device.
  • the consumables 3 are driven to be discharged from the printing consumables conveyor to the print head 9 .
  • the material return working state of the pushing device in the second working state when the pushing device is in the material returning working state, the consumables 3 are driven to return to the printing consumables conveyor.
  • the multiple pressing devices 42 are arranged side by side, and the consumables 3 and the pressing devices 42 are arranged correspondingly, specifically, one-to-one correspondence, and each consumable 3 can be arranged side by side.
  • the pressing devices 42 can be arranged parallel to each other, so that the consumables 3 can be fed or returned in the same direction.
  • the power part 41 provides power for the movement of the consumable material 3
  • the pressing device 42 clamps the consumable material 3 between the power part 41 and the pressing device 42 , and the movement of the power part 41 drives the consumable material 3 to move.
  • the power part 41 may include a power wheel 411 and a first motor 412, wherein the power wheel 411 is in contact with the consumable 3, and the rotation of the power wheel 411 drives the consumable 3 to move.
  • the power wheel 411 may be a roller, a roller, etc., and the power
  • the wheel 411 can also be a plurality of synchronously rotated separate wheels, which can drive the consumables 3 to move, which is not limited here.
  • the motor shaft of the first motor 412 is connected with the power wheel 411 to drive the power wheel 411 to rotate, and then drive the consumables 3 to move.
  • the number of power elements 41 may be one or at least two, and the number of power elements 41 is not limited here.
  • the number of power parts 41 is at least two, one of the power parts 41 corresponds to at least one pressing device 42, and the other power part 41 corresponds to at least one pressing device 42, for example, the power part 41 and the pressing device 42 One-to-one correspondence settings.
  • the number of the power part 41 is one, that is, the power part 41 includes a power wheel 411 and a first motor 412, and the length direction of the power wheel 411 is the same as that of the pressing device 42.
  • the first motor 412 is connected with the power wheel 411 in the axial direction, and is used to drive the power wheel 411 to rotate forward or reverse, and then to drive the consumables 3 to move in the first direction or Move in the second direction.
  • the pushing device also includes a pushing member 44, which can selectively drive the pressing device 42 to move, so that the corresponding pressing device 42 and the power part 41 clamp the consumable 3, or separate the consumable 3 from the pressing device 42.
  • the pusher 44 is provided to selectively clamp the required consumables 3 and realize selective printing of consumables 3 of different colors or materials. That is, the pushing member 44 can selectively contact the pressing device 42 according to the requirement, and drive one of the pressing devices 42 to move to the power member 41 and clamp the consumable 3 .
  • the pushing member 44 can be arranged on the side of the pressing device 42 away from the power part 41 , and then push the pressing device 42 to move toward the power part 41 .
  • the pusher 44 drives the pressing device 42 to move toward the power part 41, so as to clamp the corresponding consumables 3 between the power part 41 and the pressing device 42, and then make the power part 41 drive Consumables 3 moves.
  • the pusher 44 keeps the pressing device 42 at the position of clamping the consumables 3 .
  • the pressing device 42 follows the pusher 44 and moves away from the consumable 3, so that the consumable 3 is separated from the power part 41, so that the power part 41 no longer drives the consumable 3 move.
  • the pressing device 42 includes a pressing member 421 and a first elastic member 422.
  • the consumable material 3 is located between the power member 41 and the pressing member 421.
  • the first elastic member 422 is arranged on the side of the pressing member 421 close to the power member 41.
  • the material part 421 is connected with the pressure relief device 43 , and when the pressing part 421 moves toward the power part 41 , the first elastic part 422 exerts an elastic force on the pressing part 421 away from the power part 41 .
  • the consumable 3 can be pressed stably; by arranging the first elastic member 422, when the pushing member 44 moves away from the consumable 3, the pressing member 421 can be pushed to keep in contact with the pushing member 44, so that As the pushing member 44 moves away from the consumable material 3 , the pressing member 421 is kept separated from the consumable material 3 when the consumable material 3 is not driven to move.
  • the first elastic member 422 is a spring
  • the first end of the spring is connected or abutted on a mounting carrier
  • the mounting carrier and the first end of the spring remain relatively stationary
  • the second end of the spring is connected or abutted on the One side of the pressing member 421 is close to the power member 41 .
  • the mounting carrier provides a fixed support for the first end of the spring, and it only needs to keep the first end stationary, and the mounting carrier is not limited here.
  • the first elastic member 422 may be disposed opposite to the pushing member 44 .
  • the first elastic member 422 is located on one side of the pressing member 421
  • the pushing member 44 is located on the other side of the pressing member 421 .
  • the pressure relief device 43 can be arranged on the side of the pressing member 421 close to the pushing member 44 , or can be arranged on the side of the pressing member 421 close to the power member 41 .
  • the pressure relief device 43 is arranged on the side of the pressing member 421 close to the pusher 44, that is, the pressure relief device 43 is arranged on the side of the pressing member 421 away from the power member 41, so that the pressing member 421 can supply the consumables The pressure of 3 is more stable.
  • the pressure relief device 43 includes a second elastic member 431 and a pressure relief slider 432.
  • the pressure relief slider 432 is respectively connected with the pressing device 42 and the second elastic member 431.
  • the pressure relief slider 432 is arranged on the second elastic member 431 facing the power On one side of the component 41, the pressure relief slider 432 is limited to move in a direction intersecting the moving direction of the consumable 3, and the second elastic component 431 exerts force on the pressing device 42 through the pressure relief slider 432 toward the side where the power component 41 is located. of elasticity.
  • the preset value can be set according to the elastic coefficient of the second elastic member 431.
  • the pressing device 42 pushes the pressure relief slider 432 to compress The second elastic member 431, that is, the pressing device 42 moves away from the consumable 3 to realize pressure relief, so as to avoid excessive pressure of the pressing device 42 on the consumable 3, resulting in damage to the consumable 3 or the power part 41 and the pressing device 42.
  • the pressing device 42 can be pressed down stably, and the preset value can be guaranteed to be stable, so as to avoid the different moving directions of the pressure relief slider 432 As a result, the preset value changes.
  • the pressure relief slider 432 is connected with the pressing member 421 in the pressing device 42, and the pressure relief slider 432 can be rotatably arranged on the pressing member 421.
  • the pushing device also includes a connecting shaft (not labeled), The connecting shaft passes through the pressing member 421, and the two ends of the connecting shaft can be rotatably connected with a pressure relief slider 432 respectively, so that the stable connection between the pressure releasing slider 432 and the pressing member 421 can be maintained when the pressure releasing slider 432 moves.
  • the connecting shaft can also be rotatably connected with the pressing member 421 .
  • the pressure relief slider 432 may be roughly a cuboid, and the second elastic member 431 is connected to the outer wall of the pressure relief slider 432 on the side away from the consumables 3 .
  • the second elastic member 431 may be a spring.
  • the first end of the second elastic member 431 is fixed on an installation carrier, and the first end of the second elastic member 431 is kept relatively stationary with the installation carrier, and the second end of the second elastic member 431 is connected to the limit slider.
  • the mounting carrier provides fixed support for the first end of the second elastic member 431 and only needs to keep the first end stationary, and the mounting carrier is not limited here.
  • the mounting carrier may be a casing of the printing consumable conveyor.
  • the pressure relief slider 432 can be slidably disposed in the slideway of the installation carrier, and the movement of the pressure relief slider 432 in a direction intersecting with the moving direction of the consumables 3 is restricted by setting the slideway.
  • the sliding direction of the pressure relief slider 432 is perpendicular to the moving direction of the consumables 3 .
  • the binder 421 includes a binder roller 4211 and a binder plate 4212, the binder roller 4211 is arranged on the binder plate 4212, the binder roller 4211 is rotationally connected with the binder plate 4212, the binder roller 4211 is arranged opposite to the power member 41, The consumables 3 are located between the power part 41 and the pressing roller 4211, and the pusher 44 is arranged on the side of the pressing plate 4212 away from the pressing roller 4211;
  • the pressing plate 4212 includes a first end and a second end, the pusher 44 and the first elastic member 422 are arranged on the first end, the pressure relief device 43 is arranged on the second end, and the first end of the holding plate 4212 is under external force. Under the action, that is, under the action of the pusher 44 , the pressing roller 4211 and the power member 41 clamp the consumable 3 . By setting the pressing roller 4211, rolling friction can be formed between the pressing member 421 and the consumable material 3, thereby improving the service life of the pressing member 421, and at the same time ensuring that the consumable material 3 is not scratched and damaged, and that the consumable material 3 is easier to be damaged. drive.
  • the connecting shaft runs through the binder plate 4212 , one end of the connecting shaft is rotatably connected with the pressure relief slider 432 of one pressure relief device 43 , and the other end of the connection shaft is rotatably connected with the pressure relief slider 432 of another pressure relief device 43 . It can be understood that, when multiple pressing devices 42 are included, the connecting shaft can pass through the pressing plates 4212 of the multiple pressing devices 42.
  • the pressing roller 4211 can be arranged opposite to the power member 41 in a direction perpendicular to the consumable material 3 to ensure that the consumable material 3 is clamped.
  • the pushing member 44 can push the pressing plate 4212 toward the consumable 3 , and then make the pressing roller 4211 and the power member 41 clamp the consumable 3 .
  • the pressing plate 4212 includes a flat section and a protruding section
  • the limit slider, the first elastic member 422 and the pusher 44 are in contact with the flat section
  • the protruding section is connected with the flat section
  • the protruding section protrudes from the flat section towards the power part 41
  • the pressing roller 4211 is rotatably arranged on the protruding section, so as to ensure that the pressing roller 4211 can rotate stably and at the same time ensure good contact with the power member 41 .
  • the pressing roller 4211 can be arranged between the first end and the second end, the pushing member 44 and the first elastic member 422 are arranged on the first end, and the pressure relief device 43 is arranged on the second end, It is possible to simultaneously press down from both ends of the pressing plate 4212 to ensure uniform distribution of the down pressure.
  • the pusher 44 presses down from the first end, and the second end of the holding plate 4212, thereby making the pressure relief device 43 slide upwards, which can realize pressure relief stably and prevent crushing of parts and components. consumables3.
  • the pusher 44 includes a plurality of cams 441, and the cams 441 are arranged corresponding to the clamping plates 4212. If there is a one-to-one correspondence, when the cams 441 rotate to the set rotation position, they can drive the corresponding clamping plates 4212 to cooperate with the power member 41 for clamping.
  • the pushing device also includes a rotating unit 45, the rotating unit 45 includes a drive shaft 451, the cam 441 is arranged on the drive shaft 451, the cam 441 is arranged along the axial direction of the drive shaft 451 and rotates synchronously, the protrusions of the plurality of cams 441 Along the rotation direction of the drive shaft 451 , they are set at a predetermined angle in sequence.
  • the consumables 3 can be selectively driven to move, and suitable consumables 3 can be selected according to requirements.
  • one of the cams 441 can drive the pressing member 421 to press down the consumables 3 every time the driving shaft 451 rotates by a preset angle.
  • the driving shaft 451 by controlling the driving shaft 451 to rotate a multiple of a preset angle, it is possible to selectively drive the consumables 3 to move.
  • the set rotation position is the position where the cam 441 just comes into contact with the corresponding pressing plate 4212 and starts to drive the corresponding pressing plate 4212 to move toward the consumables 3 .
  • the protruding part is the radially outward protruding part of the cam 441.
  • the protruding part drives the pressing plate 4212 to move, so that the pressing roller 4211 and the power part 41 press the consumable 3 .
  • the protruding part is separated from the pressing plate 4212 , the pressing roller 4211 is separated from the consumable 3 .
  • all the cams 441 are coaxially arranged. Viewed from the axial direction, the protrusions of the cams 441 are sequentially staggered by a preset angle along the rotation direction of the cams 441 .
  • the rotating unit 45 includes a second motor
  • the drive shaft 451 is coaxially connected with the motor shaft of the second motor
  • the drive shaft 451 may also be the motor shaft of the second motor.
  • the drive shaft 451 can be rotated to drive the cam 441 to rotate.
  • the drive shaft 451 includes a first end and a second end.
  • the cam 441 closest to the first end is the first cam
  • the cam 441 closest to the second end is the second cam.
  • the minimum angle formed by the first cam and the second cam along the rotation direction of the drive shaft 451 is larger than the preset angle, so that a section without the cam 441 can be formed in the circumferential direction of the push member 44, that is, the circumferential direction of the drive shaft 451.
  • the blank area of the protrusion, the blank area can be used as a starting point or an ending point for the rotation of the pushing member 44 .
  • the protruding parts of the cams 441 do not drive the clamping plate 4212 to the clamping position for clamping the consumables 3.
  • the consumables 3 can be manually put into the cam 441 and the power part 41 between.
  • the center line of the protrusion of the first cam is a
  • the projection of the second cam on the projection plane is b
  • the smallest angle among the angles formed by a and b is the smallest angle between the first cam and the second cam along the rotation direction of the drive shaft 451 .
  • the preset angle is the angle formed by the centerlines of the two protrusions in the projection of adjacent cams 441 in the projection plane.
  • the protrusions of adjacent cams 441 are staggered by 60° along the rotation direction of the drive shaft 451 , that is, the preset angle is 60°.
  • the included angle between the first cam and the second cam along the rotation direction of the drive shaft 451 is 120°.
  • the drive shaft 451 can switch between different consumables 3 every 60° rotation.
  • the printing consumable conveyor also includes a controller (not shown).
  • the controller controls the pushing device and/or the cutting device, for example, the controller can control the pushing device, so as to control the pushing device to drive the consumables 3 in a preset sequence.
  • the controller is electrically connected to the rotating unit 45, and the controller can be used to control the pushing device to drive the consumables 3 to move sequentially in a preset order, that is, to select the pressing device 42 in a preset order through the controller, so that the selected pressing device 42 Contacting with the consumables 3 realizes that the same printing consumables conveyor can drive consumables 3 of different colors or different materials to print and switch, which expands the scope of use. It can also drive the same kind of consumables 3 to move, and then realize the continuous printing of the same kind of consumables 3, avoid manual frequent filling of a single consumable 3 after use, and reduce the manual workload.
  • the controller can be a control chip, etc., and the controller presets the order in which the consumables 3 are conveyed, that is, the preset order, and controls the drive shaft 451 to rotate according to the preset order, so as to select the pressing device 42 according to the preset order, The corresponding consumables 3 are driven to print by the pressing device 42 and the power part 41 .
  • the consumables 3 to be used can be arranged sequentially according to a preset order. For example, first use the red filament 3 to print, and then use the blue filament 3 to print, you can place the red filament 3 on the position corresponding to the leftmost cam 441, and then place the blue filament 3 on the second left cam 441 at the corresponding position. Taking the preset angle of 60° as an example, the red consumable 3 and the blue consumable 3 can be switched by rotating the driving shaft 451 by 60°.
  • the pushing device can also switch the consumables 3 arranged at intervals.
  • each feed channel 1 is provided with a feed roller 46, and a feed switch 47 is provided on the side of the feed roller 46 away from the feed channel 1, and the feed switch 47 is electrically connected to the controller.
  • the feed signal feed switch 47 can send a feed signal to the controller.
  • the feed roller 46 triggers the feed switch 47 to convert the feed signal into a feed signal, and the controller receives the feed signal , the pushing device can be controlled to enter the second working state.
  • the feed roller 46 triggers the feed switch 47 to convert the feed signal into a feed signal, and the controller receives the feed feed signal.
  • the consumables 3 can be switched according to the preset order, and then the pushing device can be controlled to enter the first working state again, or the pushing device can be controlled to stop running.
  • the switch between the first working state and the second working state can be realized, and then the switching of consumables 3 of different colors or different materials and the consumables 3 of the same kind can be realized. Continuous printing.
  • the switching between the first working state and the second working state can be realized immediately or in other state combinations, which is not limited in this application.
  • the feed roller 46 is located below the consumable 3, and the feed switch 47 is located below the feed roller 46.
  • the consumable 3 pushes the feed roller 46 downward, thereby causing The feed roller 46 touches and squeezes the feed switch 47, and then the feed switch 47 sends a feed signal.
  • the pushing device is in the second working state and the head end of the consumable 3 passes through the feed roller 46, or when the pushing device is in the first working state and the end passes through the feeding roller 46, the consumable 3 is no longer
  • the feed roller 46 applies pressure, and the feed roller 46 no longer applies pressure to the feed switch 47, triggering the feed switch 47 to convert the feed signal into a feed cut signal.
  • an indicator light 8 is also provided on the casing, the indicator light 8 is electrically connected to the controller, and the indicator light 8 is set in one-to-one correspondence with the feeding channel 1.
  • the controller controls the indicator light 8 corresponding to the feed channel 1 to light up.
  • the cutting device includes a drive unit 51 and a cutting part 52
  • the controller is electrically connected to the drive unit 51 to send a control command to the drive unit 51
  • the drive unit 51 and the cutting part 52 are connected to control commands based on the control command.
  • the cutter 52 is driven to move to cut the consumables 3 .
  • the cutting device can cut off the end of the replaced consumable 3, avoiding the problems of blockage and material jam caused by the irregular consumable end of the consumable 3, even when the consumable 3 is used again, the end of the consumable 3 is not There are pimples formed due to the high temperature of the print head 9, the consumables 3 will not block the print head 9 or the extruder of the 3D printer, and will not cause damage to the 3D printer. It reduces the manual workload and prevents clogging and material jams caused by manual negligence.
  • the driving unit 51 is specifically used to drive the cutter 52 to cut the end of the consumable 3 when the consumable 3 used by the 3D printer is replaced, and the consumable 3 is retracted for a preset time or to a preset position.
  • the specific position of the preset position is not limited, and the position may be determined according to a sensor or the like.
  • the preset time may be the time taken for the consumable 3 to roll back. After the consumable 3 rolls back for the preset time, the consumable 3 stops moving and the consumable 3 is cut.
  • the specific time of the preset time is also not limited, for example, it may be 5s, 6s and so on.
  • the cutting device can also include a clamping unit 53.
  • the drive unit 51 is used to drive the clamping unit 53 to clamp the consumables 3, and drive the cutting member 52 to cut the consumables 3.
  • the drive unit 51 is used to drive the clamping unit 53 to loosen the consumable 3 and drive the cutting part 52 away from the consumable 3 .
  • the cutting piece 52 may be located at one side of the clamping unit 53 .
  • the consumable 3 can be clamped by the clamping unit 53 , which is more convenient for the cutting part 52 to cut the consumable 3 .
  • the consumables 3 can be cut automatically by setting the driving unit 51 and the cutting part 52. By setting the clamping unit 53, the clamping unit 53 can release the consumables 3, and the consumable end of the cut consumables 3 can be discharged to avoid the consumption of the consumables 3.
  • the problem of blockage and material jam caused by the irregularity of the end appears, and at the same time, the step of manually cutting the consumption end is saved, the manual workload is reduced, and the jamming and material jam caused by manual negligence are prevented.
  • the driving unit 51 is connected to the cutting member 52 and the clamping unit 53 , the driving unit 51 can be connected to the cutting member 52 through other components, and the driving unit 51 can be connected to the clamping unit 53 through other components.
  • the drive unit 51 may also include multiple sub-drive units, one sub-drive unit is connected to the cutting member 52, and one sub-drive unit is connected to the clamping unit 53.
  • the driving unit 51 drives the clamping unit 53 to clamp the consumable 3, and drives the cutting member 52 to act to cut the consumable 3, it can first drive the clamping unit 53 to clamp the consumable 3, and then drive the cutting member 52 to act to cut the consumable. consumables 3 , or simultaneously drive the clamping unit 53 to clamp the consumables 3 and drive the cutter 52 to cut the consumables 3 .
  • the driving unit 51 drives the clamping unit 53 to release the consumable 3 and drives the cutting part 52 away from the consumable 3, it can first drive the clamping unit 53 to release the consumable 3, and then drive the cutting part 52 away from the consumable 3, or first drive the cutting part 53 to release the consumable 3.
  • the cutting part 52 is moved away from the consumable 3 , and then the clamping unit 53 is driven to release the consumable 3 , or the clamping unit 53 is driven to release the consumable 3 and the cutting part 52 is driven away from the consumable 3 .
  • the drive unit 51 can be one or two. When the drive unit 51 is one, the drive unit 51 can simultaneously drive the cutting part 52 and the clamping unit 53 to move. When the drive unit 51 is two, one of the drive units 51 and The cutting part 52 is connected to drive the cutting part 52 to move, and the other driving unit 51 is connected to the clamping unit 53 to drive the clamping unit 53 to move.
  • the application does not limit the number of the driving unit 51 , it can drive the cutting part 52 and the clamping unit 53 to move, and the cutting part 52 and the clamping unit 53 can cooperate with each other.
  • the number of the driving unit 51 is described as one, and the driving unit 51 is connected with the cutting part 52 and the clamping unit 53 at the same time, and is used to drive the cutting part 52 and the clamping unit 53 to move synchronously. .
  • the cutting piece 52 is located on one side of the clamping unit 53, that is, the cutting piece 52 is arranged adjacent to the clamping unit 53, and there may be a gap, which is convenient for cutting the consumables 3, and at the same time enables the cut
  • the length of the consumable end is short to avoid waste of consumables 3 .
  • the moving direction of the consumables 3 in the printing consumables conveyor is the first direction
  • the cutting piece 52 is located on the side of the clamping unit 53 in the first direction. , it can ensure that all the consumption ends are cut off, and the cut consumption ends are discharged.
  • the type of the cutting part 52 is not limited, for example, the cutting part 52 may be a type of scissors, or the cutting part 52 may be a cutting knife.
  • the clamping unit 53 can discharge the consumable end out of the moving path of the consumable 3 after cutting the consumable 3 , so as to avoid blocking the discharge of the subsequent consumable 3 .
  • the driving unit 51 includes a driving member 511 and a rotating member 512.
  • the driving member 511 is connected with the rotating member 512 for driving the rotating member 512 to rotate
  • the cutting member 52 is connected with the rotating member 512 so that the cutting member 52 follows the rotating member. 512 rotates, and the blade end of the cutting member 52 protrudes from the rotating member 512 along the radial direction of the rotating member 512 .
  • the rotating part 512 By arranging the rotating part 512, an installation position is provided for the cutting part 52, and a running path is provided, so that the blade end of the cutting part 52 protrudes from the rotating part 512 along the radial direction of the rotating part 512, so that the effective cutting of the cutting part 52 can be ensured.
  • the driving member 511 can stably drive the rotating member 512 to rotate and provide power for cutting the consumables 3 .
  • the consumable material 3 is located radially outside the rotating member 512 , and the length of the cutting member 52 protruding from the rotating member 512 is set to be able to completely cut the consumable material 3 .
  • the driving part 511 can be a motor, and the rotating part 512 is connected to the motor shaft of the motor, and the rotating part 512 is arranged coaxially with the motor shaft, so that the rotation of the motor shaft drives the rotating part 512 to rotate around its central axis.
  • the driver 511 can also be a steering gear or the like.
  • the cutting member 52 may be fixed and directly connected to the rotating member 512, so that the rotating member 512 drives the cutting member 52 to rotate.
  • the drive unit 51 also includes a connection plate, the cutting part 52 is fixedly arranged on the connection plate, the connection plate is sleeved on the motor shaft, the connection plate and the rotating member 512 are coaxially arranged, and the connection plate can be connected with the rotating member 512.
  • the cutting piece 512 is connected, and a part of the cutting piece 52 is located between the connection plate and the rotating piece 512, which can ensure that the rotating piece 512 drives the cutting piece 52 to rotate, and can also strengthen the connection stability of the cutting piece 52.
  • the connection plate is fixedly connected to the rotating member 512 by screws.
  • the cutting piece 52 protrudes radially out of the connection plate and the rotating piece 512 .
  • the printing consumables conveyor includes a housing in which the pushing device and the cutting device can be arranged.
  • the housing includes a collecting tank 55 , and the opening of the collecting tank 55 is opposite to the clamping unit 53 .
  • the collecting tank 55 By setting the collecting tank 55, the cut off consumption end can be collected, which is convenient for unified recycling and processing, and can also prevent the cut off consumption end from affecting the operation of the device.
  • the collecting tank 55 is located directly below the clamping unit 53 , and the cut off consumable end falling from the clamping space 533 falls into the collecting tank 55 by its own gravity.
  • the casing includes a first part and a second part, and the first part and the second part are detachably connected.
  • the collecting groove 55 is formed on the first part. After the first part is disassembled and separated from the second part, it is convenient to clean the consumables 3 in the collecting tank 55 . After the first part and the second part are assembled together, a complete shell is formed, which can provide a certain sealing and protection function for the components in the shell, and prevent external sundries from entering into the shell.
  • a slideway is provided on the inner wall of the housing, and the pressure relief slider 432 is slidably arranged in the slideway, and the slideway extends along a direction intersecting with the moving direction of the consumable 3, so as to limit the pressure relief slider 432 to intersect with the Consumable 3 moves in the direction of the movement direction.
  • the rotating part 512 includes a concave section 5121 and a smooth section 5122.
  • the concave section 5121 and the smooth section 5122 are arranged along the circumferential direction of the rotating part 512. protrudes radially outward;
  • the clamping unit 53 includes a first clamping part 531 and a second clamping part 532, the first clamping part 531 is arranged opposite to the second clamping part 532, and the first clamping part 531 of the first clamping part 531 One end is provided with a first groove, and the first end of the second clamping member 532 is provided with a second groove, and the first groove is used to engage with the second groove to form a clamping space 533; the first clamping The second end of the member 531 is slidably arranged on the outer peripheral wall of the rotating member 512, the second end of the second clamping member 532 is slidably arranged on the outer peripheral wall of the rotating member 512, and the driving member 511 drives the rotating member 512 to rotate for passing
  • the middle part of the first clamping part 531 is hinged on the installation carrier, and the hinge point is located between the first end and the second end of the first clamping part 531 .
  • the middle part of the second clamping part 532 is hinged on the installation carrier, and the hinge point is located between the first end and the second end of the second clamping part 532 .
  • the distance between the second end of the first clamping part 531 and the second end of the second clamping part 532 decreases gradually, because the first clamping part 531
  • the middle part of the second clamping part 532 is hinged on the mounting carrier and the middle part of the second clamping part 532 is hinged on the mounting carrier, so the first end of the first clamping part 531 is separated from the first end of the second clamping part 532, and between gradually increase the distance, and then loosen the consumables 3.
  • first clamping part 531 and the second clamping part 532 have the same size, and the first clamping part 531 and the second clamping part 532 are mirror images.
  • first clamping piece 531 and the second clamping piece 532 are L-shaped, the first end of the first clamping piece 531 and the first end of the second clamping piece 532 extend toward each other, and when they collide together, The first groove and the second groove are engaged with each other to form a circular clamping space 533 .
  • the dimensions of the first groove and the second groove are the same, and both may be semicircular, so as to form a regular clamping space 533 .
  • the cross-sectional area of the clamping space 533 may be equal to or slightly smaller than the cross-sectional area of the consumable 3 to ensure that the consumable 3 can be clamped.
  • the first clamping part 531 and the second clamping part 532 will not clamp the consumable 3 .
  • the second end of the first clamping part 531 and the second end of the second clamping part 532 keep in contact with the outer peripheral wall of the rotating part 512, fully contact with the outer peripheral wall, and when the rotating part 512 rotates, Can slide on the outer peripheral wall of the rotating member 512 .
  • the cutting device also includes a mounting frame 54 , the first clamping part 531 is rotatably connected to the mounting frame 54 , and the second clamping part 532 is rotatably connected to the mounting frame 54 ; the cutting part 52 is arranged corresponding to the recessed section 5121 .
  • the mounting frame 54 provides a stable installation position for the first clamping part 531 and the second clamping part 532 and ensures that the first clamping part 531 and the second clamping part 532 can rotate stably. By arranging the cutting piece 52 corresponding to the recessed section 5121, the cutting piece 52 can be linked with the first clamping piece 531 and the second clamping piece 532.
  • the first clamping piece The holding part 531 and the second clamping part 532 clamp the consumable 3 to provide support for the consumable 3 and prevent the consumable 3 from moving with the cutting part 52 , resulting in that the consumable 3 cannot be effectively cut.
  • the first clamping part 531 and the second clamping part 532 release the consumable 3, and then discharge the cut consumable end out of the moving path of the consumable 3, so as to avoid blocking the subsequent discharge of the consumable 3.
  • the cutting part 52 is arranged corresponding to the recessed section 5121 , that is, the cutting part 52 and the recessed section 5121 are arranged opposite to each other in the axial direction of the rotating part 512 .
  • the mounting frame 54 is the above-mentioned mounting carrier, and the mounting frame 54 can be fixedly connected to the inner wall of the casing.
  • the mounting frame 54 can be a single device, or the mounting frame 54 includes a plurality of sub-mounting frames 54 so that the first clamping part 531 and the second clamping part 532 are connected to the mounting frame 54 .
  • the mounting frame 54 can be provided with a raised first rotating shaft and a second rotating shaft; the first clamping part 531 is rotatably connected with the mounting frame 54 through the first rotating shaft, and the second clamping part 532 is rotatably connected with the mounting frame 54 through the second rotating shaft. Rotational connection; the first rotating shaft is located between the first end and the second end of the first clamping member 531 ; the second rotating shaft is located between the first end and the second end of the second clamping member 532 .
  • the first clamping part 531 and the second clamping part 532 are stably rotatably connected to the installation frame 54, and at the same time, the first end of the first clamping part 531 and the second
  • the first end of the clamping part 532 moves away from each other
  • the second end of the first clamping part 531 and the second end of the second clamping part 532 move toward each other
  • the first end of the first clamping part 531 and the second end of the second clamping part 531 move toward each other.
  • the second end of the first clamping part 531 and the second end of the second clamping part 532 move away from each other.
  • first clamping part 531 and the second clamping part 532 are L-shaped, the first rotating shaft can be set at the inflection point of the first clamping part 531, and the second rotating shaft can be set at the inflection point of the second clamping part 532 .
  • the number of the concave segments 5121 is an even number
  • the number of the smooth segments 5122 is an even number
  • the concave segments 5121 and the smooth segments 5122 are arranged at intervals along the circumference of the rotating member 512
  • the concave segments 5121 are arranged along the radial direction of the rotating member 512
  • the smooth sections 5122 are arranged one by one relative to each other along the radial direction of the rotating member 512, which can ensure that the first clamping piece 531 and the second clamping piece 532 slide onto different smooth sections 5122 or concave sections 5121 at the same time, Furthermore, it is ensured that the first clamping part 531 and the second clamping part 532 move simultaneously to clamp or loosen the consumables 3 .
  • the driving part 511 drives the rotating part 512 and the cutting part 52 to rotate synchronously, and the cutting part 52 is set corresponding to the recessed section 5121, so as to ensure that the consumable 3 is released after cutting the consumable 3, and the consumable 3 is clamped before cutting the consumable 3, ensuring the stability of the linkage sex.
  • the number of smooth segments 5122 is two, and the number of recessed segments 5121 is two.
  • the clamping unit 53 also includes a tension elastic unit 534, one end of the tension elastic unit 534 is arranged on the second end of the first clamping member 531, and the other end of the tension elastic unit 534 is arranged on the second end of the second clamping member 532.
  • the tension elastic unit 534 exerts an elastic force toward the rotating member 512 on the first clamping part 531 and the second clamping part 532, so that the second end of the first clamping part 531 and the second clamping part
  • the second end of the member 532 is attached to the peripheral outer wall of the rotating member 512 .
  • one end of the tension elastic unit 534 is arranged on the second end of the first clip 531, and the other end of the tension elastic unit 534 is arranged on the second end of the second clip 532, that is, the tension elastic
  • the unit 534 is closer to the second end of the first clamping member 531 than the first end, and the tension elastic unit 534 is closer to the second end of the second clamping member 532 than the first end.
  • the tension elastic unit 534 exerts less elastic force on the second end of the first clamping member 531 and the second end of the second clamping member 532 than the rotating member 512 exerts on the second end of the first clamping member 531 and the thrust exerted by the second end of the second clamping part 532 , so that the smooth section 5122 of the rotating part 512 can drive the first clamping part 531 and the second clamping part 532 to move.
  • the tensioning elastic unit 534 is a spring.
  • a printing consumables conveyor including the above-mentioned cutting device;
  • the printing consumables conveyor also includes a discharge channel 2, and the cutting device is arranged on the discharge channel 2, and the discharge channel 2 is also provided with a channel pulley 56, and the side of the channel pulley 56 away from the discharge channel 2 is provided with a cutting switch 57, which is electrically connected to the controller; when the consumables 3 pass through the channel pulley 56, the consumables 3 Push the channel pulley 56 to trigger the cutting switch 57 to send a material feeding signal; when the printing consumables conveyor is in the material return condition and the consumable end of the consumables 3 passes through the channel pulley 56, the channel pulley 56 is separated from the cutting switch 57, Triggering the cutting switch 57 is converted from a feeding signal to a cutting signal, so that the controller controls the cutting device to cut the consumables 3 .
  • the cutting device can send a material feeding signal
  • Consumables 3 are cut.
  • the cutting switch 57 is converted from a feed signal to a cut signal, the cutting device cuts the consumables 3, thereby ensuring the stability of normal discharge and the accuracy of cutting.
  • the passage pulley 56 is located above the consumables 3, and the cutting switch 57 is located above the passage pulley 56.
  • the consumables 3 are conveyed and discharged normally, the consumables 3 pass through the passage pulley 56, and the passage pulley 56 is pushed upward, thereby causing Passage pulley 56 touches extrusion cutting switch 57, and then makes cutting switch 57 send material feeding signal, makes cutting switch 57 control cutting device not to act, guarantees normal discharging.
  • the cutting switch 57 is separated from the cutting switch 57 under the action of its own gravity and the resilience of the cutting switch 57, and then the cutting switch 57 is triggered to convert the feed signal into a cutting signal, and the cutting switch 57 controls the cutting device to act immediately to cut the consumables 3. consumer side.
  • the position of the discharge channel 2 corresponding to the channel pulley 56 is the set position, that is, the location of the channel pulley 56 in the discharge channel 2 is the set position.
  • the printing consumables conveyor also includes a base 6 and a cover 7, the base 6 and the cover 7 are arranged in the casing, the mounting bracket 54 can be connected to the casing, and can also be connected to the base 6 and the cover 7, the first elastic member 422
  • One end away from the pressing plate 4212 is set on the cover plate 7, the base 6 is connected to the cover plate 7, the feed channel 1 and the discharge channel 2 are opened on the first wall of the base 6, and the cover plate 7 is set on the first wall.
  • the cover plate 7 is provided with a mounting hole 71, and the base 6 is provided with a mounting groove 61, so that the pushing device drives at least one consumable in the feed channel to pass through.
  • the discharge channel moves forward, or drives the consumables 3 in at least one feed channel 1 to retreat.
  • the pressing roller 4211 can pass through the installation hole 71 to clamp the consumable.
  • the power wheel 411 is arranged in the installation groove 61, and the installation hole 71 are through holes, and a plurality of installation via holes 71 correspond to the installation grooves 61 .
  • the opening position is provided for the feeding channel 1 and the discharging channel 2 by setting the base 6, and the installation position is provided for the mounting frame 54 and the first elastic member 422 by setting the cover plate 7 and the base 6, which ensures the printing consumables conveyor. stable structure.
  • a relief portion 62 is also provided on the base 6 , and the cutting device is fixed on the relief portion 62 .
  • the installation frame 54 can be fixedly connected with the relief part 62 .
  • a feed channel and a discharge channel are formed on the base 6 and the cover plate 7, and provide installation positions for the cutting device.
  • Another aspect of this embodiment provides a 3D printer, including the above-mentioned printing consumable conveyor.
  • this embodiment provides a conveyor for printing consumables, including a discharge channel 2, at least two feed channels 1, a pushing device and a cutting device, and at least two feed channels 1 are respectively connected to The discharge channel 2 is connected, and the pushing device is arranged on the feeding channel 1.
  • the pushing device is used to drive the consumables 3 in at least one feeding channel 1 to pass through the discharging channel 2 and advance, or to drive the consumables 3 in at least one feeding channel 1.
  • the consumables 3 retreat, and the cutting device is arranged on the discharge channel 2, and the cutting device is used to cut the consumables 3 when the pushing device drives the consumables 3 back to the set position.
  • the pushing device includes a power part 41, a pressing device 42 and a pressure relief device 43
  • the consumables 3 are located between the power part 41 and the pressing device 42
  • the pressing device 42 is used to clamp the consumables with the power part 41 under the action of an external force 3.
  • the power part 41 is used to drive the clamped consumables 3 to move
  • the pressure relief device 43 is connected to the pressing device 42.
  • the pressure relief device 43 is used to make the The pressing device 42 moves away from the power member 41 .
  • the pressing device 42 includes a pressing piece and a first elastic piece 422, the consumable 3 is located between the power piece 41 and the pressing piece, the first elastic piece 422 is arranged on the side of the pressing piece close to the power piece 41, and the pressing piece The part is connected with the pressure relief device 43.
  • the pressing part When the pressing part moves to the power part 41, the first elastic part 422 applies an elastic force away from the power part 41 to the pressing part;
  • the pressing part includes a pressing roller 4211 and a pressing plate 4212 , the pressing roller 4211 is arranged on the pressing plate 4212, the pressing roller 4211 is arranged opposite to the power part 41, the consumable 3 is located between the power part 41 and the pressing roller 4211;
  • the pressing plate 4212 includes a first end and a second end , the pressure relief device 43 is arranged on the second end, and the first end of the pressing plate 4212 makes the pressing roller 4211 and the power part 41 clamp the consumable 3 under the action of external force;
  • the pushing device also includes a connecting shaft, and the connecting shaft runs through the pressing material Plate 4212, the connecting shaft is connected with the pressure relief device 43;
  • the pressing device 42 includes at least two, the number of consumables 3 corresponds to the number of the pressing device 42, the pressing device 42 is set correspondingly to the consumable 3, at least two pressing devices
  • the pressure relief device 43 includes a second elastic member 431 and a pressure relief slider 432, the pressure relief slider 432 is respectively connected with the pressing member and the second elastic member 431, and the pressure relief slider 432 is arranged at the direction of the second elastic member 431.
  • the pressure relief slider 432 On one side of the power part 41 , the pressure relief slider 432 is limited to move in a direction intersecting the movement direction of the consumable 3 , and the second elastic part 431 exerts pressure on the pressing part through the pressure relief slider 432 towards the side where the power part 41 is located. of elasticity.
  • the pushing device also includes a pusher 44, the pusher 44 is arranged on the side of the press plate 4212 away from the press roller 4211, the pusher 44 and the first elastic member 422 are arranged on the first end of the press plate 4212, push The part 44 can selectively drive the pressing device 42 to move, so that the pressing device 42 and the power part 41 clamp the consumables 3, or separate the consumables 3 from the pressing device 42;
  • the pushing part 44 includes a plurality of cams 441, and the cams 441 and The pressing plate 4212 is correspondingly arranged, and when the cam 441 rotates to the set rotation position, it can drive the corresponding pressing plate 4212 to cooperate with the power part 41 to clamp the consumable 3;
  • the pushing device also includes a rotating unit 45, and the rotating unit 45 includes a driving shaft 451 , the cam 441 is arranged on the drive shaft 451, the cam 441 is arranged along the axial direction of the drive shaft 451 and rotates synchronously, and the protruding parts of the plurality
  • the printing consumables conveyor also includes a controller
  • the cutting device includes a control drive unit and a cutting piece 52
  • the controller is electrically connected with the drive unit to send a control command to the drive unit
  • the drive unit is connected with the cutting piece 52 to control commands based on the control command.
  • the cutter 52 is driven to move to cut the consumables 3 .
  • the drive unit is specifically used to drive the cutting part 52 to cut off the end of the consumable 3 when the consumable 3 used by the 3D printer is replaced, and the consumable 3 is retracted for a preset time or to a preset position; the cutting device also includes a clip
  • the drive unit is used to drive the clamping unit 53 to clamp the consumables 3, and drive the cutting part 52 to cut the consumables 3. After the consumables 3 are cut, the drive unit is used to drive the clamping unit 53 to loosen the consumables.
  • the drive unit includes a driving part 511 and a rotating part 512, the driving part 511 is connected with the rotating part 512, and is used to drive the rotating part 512 to rotate, and the cutting part 52 and the rotating part 512 are connected so that the cutting part 52 rotates with the rotating part 512, and the blade end of the cutting part 52 protrudes from the rotating part 512 along the radial direction of the rotating part 512;
  • the smooth section 5122 is arranged along the circumferential direction of the rotating member 512, the concave section 5121 is recessed inward along the radial direction of the rotating member 512, and the smooth section 5122 protrudes outward along the radial direction of the rotating member 512;
  • the cutting part 52 is located on one side of the clamping unit 53.
  • the clamping unit 53 includes a first clamping part 531 and a second clamping part 532.
  • the first clamping part 531 and the second clamping part 532 are arranged oppositely.
  • the first end of the clamping member 531 is provided with a first groove
  • the first end of the second clamping member 532 is provided with a second groove
  • the first groove is used to engage with the second groove to form a clamping space 533
  • the second end of the first clamping member 531 is slidably arranged on the outer peripheral wall of the rotating member 512
  • the second end of the second clamping member 532 is slidably arranged on the outer peripheral wall of the rotating member 512
  • the driving member 511 drives the rotating member 512 is rotated to drive the second end of the first clamping part 531 and the second end of the second clamping part 532 to move toward or away from the second end of the first clamping part 532 through the concave part 5121
  • the clamping unit 53 also includes a tension elastic unit 534, one end of the tension elastic unit 534 is arranged on the second end of the first clamping member 531, and the other end of the tension elastic unit 534 is arranged on the second clamping member.
  • the tension elastic unit 534 exerts an elastic force toward the rotating member 512 on the first clamping part 531 and the second clamping part 532, so that the second end of the first clamping part 531 and the second
  • the second end of the clamping member 532 is attached to the circumferential outer wall of the rotating member 512;
  • the mounting frame 54 is provided with a raised first rotating shaft and a second rotating shaft;
  • the first clamping member 531 is rotatable through the first rotating shaft and the mounting frame 54
  • the second clamping member 532 is rotatably connected to the mounting frame 54 through the second rotating shaft;
  • the first rotating shaft is located between the first end and the second end of the first clamping member 531;
  • the second rotating shaft is located at the second clamping member
  • the number of concave sections 5121 is an even number
  • the number of smooth sections 5122 is an even number
  • the concave sections 5121 and smooth sections 5122 are arranged at intervals along the circumference of the rotating member 512
  • the discharge channel 2 is provided with a channel pulley 56, and the side of the channel pulley 56 away from the discharge channel 2 is provided with a cutting switch 57, and the cutting switch 57 is electrically connected with the controller; when the consumables 3 pass through the channel pulley 56 When the consumables 3 push the channel pulley 56, the cutting switch 57 is triggered to send a material feeding signal; when the printing consumables conveyor is in the material return condition, and the consumable end of the consumables 3 passes through the channel pulley 56, the channel pulley 56 is separated from the cutting Cutting switch 57, triggering the cutting switch 57 to convert the material feeding signal into a material cutting signal, so that the controller controls the cutting device to cut the consumables 3 .
  • Another aspect of this embodiment provides a 3D printer, including the above-mentioned printing consumable conveyor.

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Abstract

本申请提供了一种打印耗材输送机、3D打印机，包括出料通道、至少两个进料通道、推动装置和裁切装置，至少两个进料通道分别与出料通道相连通，推动装置设置在进料通道上，推动装置用于带动至少一个进料通道内的耗材前进至出料通道内，或带动至少一个进料通道内的耗材后退，裁切装置设置在出料通道上，裁切装置用于在推动装置带动耗材后退至设定位置时裁断耗材。本申请提供的一种打印耗材输送机、3D打印机，通过设置推动装置可实现在带动至少两个耗材中的至少一个耗材进行排料和退料，避免人工退料操作，减少人工工作量。通过设置裁切装置，能够在退料时将耗材的端部裁掉，避免了因耗材的消耗端不规则引起的堵塞和卡料的问题出现。

Description

打印耗材输送机和3D打印机 技术领域
本申请属于立体打印技术领域，具体涉及一种打印耗材输送机和3D打印机。
背景技术
3D打印机(3Dimension Printer，3DP)又称三维打印设备，是一种累积制造技术，即快速成形技术的一种设备，它是一种数字模型文件为基础，运用特殊蜡材、粉末状金属或塑料等可粘合材料，通过依次打印多层的粘合材料来制造三维的物体。
现有的3D打印机，尤其是熔融沉积式3D打印机，通常使用打印耗材输送机进行耗材的输送。但是现有的打印耗材输送机的功能单一，只能将单一耗材输送出去，已不适应3D打印的发展。
实用新型内容
因此，本申请要解决的技术问题在于提供一种打印耗材输送机和3D打印机，能够具有的更多功能，以适应3D打印的发展。
为了解决上述问题，本申请提供了一种打印耗材输送机，包括出料通道、至少两个进料通道、推动装置和裁切装置，至少两个所述进料通道分别与所述出料通道相连通，所述推动装置设置在所述进料通道上，所述推动装置用于带动至少一个所述进料通道内的耗材前进至所述出料通道内，或带动至少一个所述进料通道内的耗材后退，所述裁切装置设置在所述出料通道上，所述裁切装置用于在所述推动装置带动所述耗材后退至设定位置时裁断所述耗材。
本申请的另一方面，提供了一种3D打印机，包括如上述的打印耗材输送机。
有益效果
本实用新型的实施例中所提供的打印耗材输送机和3D打印机，通过设置推动装置带动至少一个进料通道内的耗材穿过出料通道并前进，或带动至少一个进料通道内的耗材后退，也即，可实现在带动至少两个耗材中的至少一个耗材进行排料和退料，避免人工退料操作，减少人工工作量。通过将推动装置设置为带动至少两个耗材中的至少一个移动，当再次排料时，可实现切换不同颜色或不同材质的耗材，扩大了使用范围，也可以实现带动同种耗材进行前进或后退，进而实现同种耗材的连续打印，避免单一耗材使用完后人工频繁填料，减少了人工工作量。通过设置裁切装置，能够在退料时将耗材的端部裁掉，避免了因耗材的消耗端不规则引起的堵塞和卡料的问题出现，即使耗材再次被使用时，耗材的端部不存在因打印头高温形成的疙瘩状，该耗材不会对3D打印机的打印头或挤出机造成堵塞，不会对3D打印机造成损害，同时也省去了人工裁剪消耗端的步骤，减少了人工工作量，防止因人工疏忽而导致的堵塞和卡料现象。
附图说明
图1为本申请实施例的打印耗材输送机的第一视角下的立体结构示意图；
图2为本申请实施例的打印耗材输送机的第二视角下的立体结构示意图；
图3为本申请实施例的打印耗材输送机的爆炸示意图；
图4为本申请实施例的打印耗材输送机的第一视角下的剖视示意图；
图5为本申请实施例的打印耗材输送机的第二视角下的剖视示意图；
图6为本申请实施例的推动装置的爆炸示意图；
图7为本申请实施例的推动装置的处于第一状态的剖视示意图；
图8为本申请实施例的推动装置的处于第二状态的剖视示意图；
图9为本申请实施例的推动装置的处于第三状态的剖视示意图；
图10为本申请实施例的压料装置的爆炸示意图；
图11为本申请实施例的压料装置和泄压装置处于爆炸状态的第一立体结构示意图；
图12为本申请实施例的压料装置和泄压装置处于爆炸状态的第二立体结构示意图；
图13为本申请实施例的推动件的爆炸示意图；
图14为本申请实施例的推动件的侧视图；
图15为本申请实施例的裁切装置的爆炸示意图；
图16为本申请实施例的裁切装置的第一夹持件的结构示意图；
图17为本申请实施例的耗材裁断前的旋转件和裁切件的结构示意图；
图18为本申请实施例的耗材裁断前的裁切装置的结构示意图；
图19为本申请实施例的耗材裁断后的旋转件和裁切件的结构示意图；
图20为本申请实施例的耗材裁断后的裁切装置的结构示意图；
图21为本申请实施例的耗材穿过通道滑轮处时的裁切装置的剖视示意图；
图22为本申请实施例的耗材的消耗端穿过通道滑轮处后的裁切装置的剖视示意图；
图23为本申请实施例的打印耗材输送机的剖视示意图；
图24为本申请实施例的打印耗材输送机的底座和盖板处于爆炸状态的立体结构示意图；
图25为本申请实施例的打印耗材输送机的底座和盖板的第一视角下的结构示意图；
图26为本申请实施例的打印耗材输送机的底座和盖板的第二视角下的结构示意图。
附图标记表示为：
1、进料通道；2、出料通道；3、耗材；41、动力件；411、动力轮；412、第一电机；42、压料装置；421、压料件；4211、压料滚轮；4212、压料板；422、第一弹性件；43、泄压装置；431、第二弹性件；432、泄压滑块；44、推动件；441、凸轮；45、旋转单元；451、驱动轴；46、进料滚轮；47、进料开关；51、驱动单元；511、驱动件；512、旋转件；5121、凹陷段；5122、平滑段；52、裁切件；53、夹持单元；531、第一夹持件；532、第二夹持件；533、夹持空间；534、拉紧弹性单元；54、安装架；55、收集槽；56、通道滑轮；57、裁切开关；6、底座；61、安装槽；62、让位部；7、盖板；71、安装过孔；8、指示灯；9、打印头。
具体实施方式
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本实用新型的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本实用新型中的具体含义。
以下结合附图对本实用新型的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本实用新型，并不用于限定本实用新型。
结合参见图1至图26所示，根据本申请的实施例，一种打印耗材输送机，包括出料通道2、至少两个进料通道1、推动装置和裁切装置，至少两个进料通道1分别与出料通道2相连通，推动装置设置在进料通道1上，推动装置用于带动至少一个进料通道1内的耗材3穿过出料通道2并前进，或带动至少一个进料通道1内的耗材3后退，裁切装置设置在出料通道2上，裁切装置用于在推动装置带动耗材3后退至设定位置时裁断耗材3。
通过设置推动装置带动至少一个进料通道1内的耗材3前进至出料通道2内并穿出，或带动至少一个进料通道1内的耗材3后退，也即，可实现在带动至少两个耗材3中的至少一个耗材3进行排料和退料，避免人工退料操作，减少人工的工作量。通过将推动装置设置为带动至少两个耗材3中的至少一个移动，当再次排料时，可实现切换不同颜色或不同材质的耗材3，扩大了使用范围，也可以实现带动同种耗材3进行前进或后退，进而实现同种耗材3的连续打印，避免单一耗材3使用完后人工频繁填料，减少了人工的工作量。通过设置裁切装置，能够在退料时将耗材3的端部裁掉，避免了因耗材3的消耗端不规则引起的堵塞和卡料的问题出现，即使耗材3再次被使用时，耗材3的端部不存在因打印头9高温融化后再凝固形成的疙瘩状，该耗材3不会对3D打印机的打印头9或挤出机造成堵塞，不会对3D打印机造成损害，同时也省去了人工裁剪消耗端的步骤，减少了人工工作量，防止因人工疏忽而导致的堵塞和卡料现象。
其中，进料通道1与耗材3一一对应设置，也即一个进料通道1内对应这一个耗材3。
其中，所有进料通道1均与出料通道2相连通，每条进料通道1内的耗材3均能被推动装置带动前进至出料通道2内，也均能被推动装置带动后退至该耗材3对应的进料通道1内。
其中，设定位置可选定在出料通道2上，裁切装置在出料通道2内将耗材3的消耗端裁断。
如图4至图14所示，推动装置包括动力件41、压料装置42和泄压装置43，进料通道1中的耗材3位于动力件41与压料装置42之间，压料装置42
用于在外力作用下与动力件41夹紧耗材3；动力件41用于驱动被夹紧的耗材3移动；泄压装置43与压料装置42连接，当压料装置42对耗材3的压力大于预设值时，泄压装置43用于使压料装置42向远离动力件41的方向移动。
泄压装置43能够减少压料装置42与动力件41夹紧耗材3的力，防止耗材3被压坏，同时减小动力件41和压料装置42所受的力，增加了推动装置的使用寿命，保证推动装置的稳定性。
动力件41的结构不作限定，动力件41可以包括电机等装置，可以直接传动或间接传动，带动耗材3移动。
其中，压料装置42的数量不做限定。在压料装置42包括多个时，耗材3的数量与压料装置42的数量对应，每个压料装置42的位置分别与一个进料通道1对应，以下压对应的进料通道1内的耗材3。本实施例中，压料装置42可以包括至少两个，压料装置42与耗材3对应设置，至少两个压料装置42都与泄压装置43连接，压料装置42能够被选择的与耗材3接触，以使动力件41和被选择的压料装置42夹紧耗材3。本申请中，压料装置42能够被选择的与耗材3接触，即能根据需要，选择其中一个压料装置42与耗材3接触。其中，动力件41可以包括两种工作状态，推动装置处于第一工作状态时，动力件41带动至少一个进料通道1内的耗材3前进至出料通道2内，推动装置处于第二工作状态时，动力件41带动至少一个进料通道1内的耗材3后退。如动力件41可以通过正转和反转实现。具体地，例如，进行红色耗材3与蓝色耗材3切换打印时，本申请的推动装置中，两个压料装置42分别对应红色耗材3和蓝色耗材3设置，根据需求选择红色耗材3推出打印，切换时，退回红色耗材3，再将蓝色耗材3推出打印。本申请中，在一种耗材3用完时，推动装置也可以实现带动同种耗材3进行移动，进而实现同种耗材3的连续打印，避免单一耗材3使用完后人工频繁填料，减少了人工工作量。例如，两个压料装置42均对应同样的耗材3，当其中一个耗材3即将用尽后，可将该耗材3退回，再将另一耗材3推出，实现同种耗材3的连续打印。
其中，第一工作状态为推动装置的送料工作状态，推动装置处于送料工作状态时，带动耗材3从打印耗材输送机排向打印头9。第二工作状态的推动装置的退料工作状态，推动装置处于退料工作状态时，带动耗材3退回打印耗材输送机。
其中，压料装置42为多个时，多个压料装置42并列设置，耗材3与压料装置42对应设置，具体可以为一一对应设置，且各耗材3可以并列设置。
其中，压料装置42可以相互平行设置，以使耗材3沿同一方向进料或退回。
其中，动力件41为耗材3的移动提供动力，压料装置42将耗材3夹紧在动力件41与压料装置42之间，通过动力件41的动作带动耗材3移动。
具体地，动力件41可以包括动力轮411和第一电机412，其中，动力轮411与耗材3 接触，通过动力轮411的转动带动耗材3移动，动力轮411可以为滚轮、辊筒等，动力轮411也可以为分体设置的同步转动的多个轮，能带动耗材3移动即可，此处不做限定。第一电机412的电机轴与动力轮411相连接，用于带动动力轮411转动，进而带动耗材3移动。
可选地，动力件41的数量可以为一个或至少两个，动力件41的数量此处不做限定。当动力件41的数量为至少两个时，其中一个动力件41对应至少一个压料装置42设置，另一动力件41对应至少一个压料装置42设置，例如，动力件41与压料装置42一一对应设置。本实施方式中，动力件41的数量为一个，即动力件41包括一个动力轮411和一个第一电机412，动力轮411的长度方向与压料装置42的排布方向相同，通过一个动力轮411即可带动各被夹紧的耗材3移动，第一电机412与动力轮411沿轴向相连接，用于驱动动力轮411正转或反转，进而实现带动耗材3沿第一方向移动或沿第二方向移动。
推动装置还包括推动件44，推动件44能够选择地带动压料装置42移动，以使对应的压料装置42和动力件41夹紧耗材3，或使耗材3与压料装置42分离，通过设置推动件44，能够实现可选择地夹紧所需要的耗材3，实现不同颜色或不同材质的耗材3的选择性打印。即能根据需要，推动件44选择与压料装置42接触并带动其中一个压料装置42向动力件41移动并夹紧耗材3。
其中，推动件44可以设置在压料装置42远离动力件41的一侧，进而推动压料装置42向动力件41移动。
其中，当刚进入送料工作状态时，推动件44带动压料装置42向动力件41移动，以将对应的耗材3夹紧在动力件41与压料装置42之间，进而使动力件41带动耗材3移动。当处于送料工作状态或退料工作状态中时，推动件44保持压料装置42处于夹紧耗材3的位置上。当退出送料工作状态和退料工作状态时，压料装置42跟随推动件44向远离耗材3的方向移动，以使耗材3与动力件41相脱离，进而使动力件41不再带动该耗材3移动。
压料装置42包括压料件421和第一弹性件422，耗材3位于动力件41与压料件421之间，第一弹性件422设置在压料件421靠近动力件41的一侧，压料件421与泄压装置43连接，当压料件421向动力件41移动时，第一弹性件422对压料件421施加远离动力件41的弹性力。通过设置压料件421，能够稳定地压紧耗材3，通过设置第一弹性件422，能够在推动件44向远离耗材3方向移动时，推动压料件421与推动件44保持相抵触，以随推动件44远离耗材3，进而在不带动耗材3移动时，保持压料件421与耗材3分离。
可选地，第一弹性件422为弹簧，弹簧的第一端连接或抵接在一安装载体上，该安装载体与弹簧的第一端保持相对静止，弹簧的第二端连接或抵接在压料件421靠近动力件41的一侧。该安装载体为弹簧的第一端提供固定支撑，并保持第一端静止即可，此处对安装载体不做限定。
其中，第一弹性件422可以与推动件44相对设置。第一弹性件422位于压料件421的一侧，推动件44位于压料件421的另一侧。
其中，泄压装置43可以设置在压料件421靠近推动件44的一侧，也可以设置在压料件421靠近动力件41的一侧。本实施方式中，泄压装置43设置在压料件421靠近推动件 44的一侧，即泄压装置43设置在压料件421远离动力件41的一侧，能使压料件421给耗材3的压力更加稳定。
泄压装置43包括第二弹性件431和泄压滑块432，泄压滑块432分别与压料装置42、第二弹性件431连接，泄压滑块432设置在第二弹性件431朝向动力件41的一侧，泄压滑块432被限位为沿相交于耗材3的运动方向的方向移动，第二弹性件431通过泄压滑块432对压料装置42施加朝向动力件41所在侧的弹性力。
通过设置第二弹性件431，可依据第二弹性件431的弹性系数来设置预设值，压料装置42对耗材3的压力大于预设值时，压料装置42推动泄压滑块432压缩第二弹性件431，即压料装置42向远离耗材3的方向移动实现泄压，避免压料装置42对耗材3的压力过大，导致耗材3或动力件41、压料装置42损坏。
通过将泄压滑块432限位为沿相交于耗材3的运动方向的方向移动，能够稳定的下压压料装置42，并能保证预设值稳定，避免泄压滑块432的移动方向不同而导致预设值变化。
其中，泄压滑块432与压料装置42中的压料件421连接，泄压滑块432可以转动地设置在压料件421上，具体的，推动装置还包括连接轴(未标号)，连接轴穿过压料件421，连接轴的两端可以分别与一个泄压滑块432转动连接，能够在泄压滑块432移动时保持泄压滑块432与压料件421的稳定连接。可以理解，连接轴也可以与压料件421转动连接。其中，泄压滑块432可以大致为长方体，第二弹性件431连接在泄压滑块432远离耗材3一侧的外壁上。
其中，第二弹性件431可以为弹簧。
其中，第二弹性件431的第一端固定在一安装载体上，该安装载体与第二弹性件431的第一端保持相对静止，第二弹性件431的第二端连接在限位滑块上。该安装载体为第二弹性件431的第一端提供固定支撑，并保持第一端静止即可，此处对安装载体不做限定。具体地，推动装置应用于打印耗材输送机时，安装载体可以为打印耗材输送机的壳体。
其中，泄压滑块432可以滑动设置在安装载体的滑道内，通过设置滑道限制泄压滑块432沿相交于耗材3的运动方向的方向移动。具体的，本实施方式中，泄压滑块432的滑动方向与耗材3的运动方向相垂直。
压料件421包括压料滚轮4211和压料板4212，压料滚轮4211设置在压料板4212上，压料滚轮4211与压料板4212转动连接，压料滚轮4211与动力件41相对设置，耗材3位于动力件41与压料滚轮4211之间，推动件44设置在压料板4212远离压料滚轮4211的一侧；
压料板4212包括第一端和第二端，推动件44和第一弹性件422设置在第一端上，泄压装置43设置在第二端上，压料板4212的第一端在外力作用下，即在推动件44作用下，使压料滚轮4211与动力件41夹紧耗材3。通过设置压料滚轮4211，能够使压料件421与耗材3之间形成滚动摩擦，提高压料件421的使用寿命，同时也保证耗材3不被划伤损坏，也能保证耗材3更易于被带动。
其中，连接轴贯穿压料板4212，连接轴的一端与一个泄压装置43的泄压滑块432转动连接，连接轴的另一端与另一个泄压装置43的泄压滑块432转动连接。可以理解，在包 括多个压料装置42时，连接轴可以穿过多个压料装置42的压料板4212。
其中，压料滚轮4211可以与动力件41在垂直于耗材3的方向上相对设置，保证夹紧耗材3。其中，推动件44可以将压料板4212向耗材3推动，进而使压料滚轮4211与动力件41夹紧耗材3。
其中，压料板4212包括平板段和突出段，限位滑块、第一弹性件422和推动件44与平板段接触，突出段与平板段连接，且突出段朝向动力件41突出于平板段，压料滚轮4211能够转动地设置在突出段上，保证压料滚轮4211能够稳定转动的同时，能够与动力件41保证良好的接触。
可选地，可以通过将压料滚轮4211设置在第一端与第二端之间，推动件44和第一弹性件422设置在第一端上，泄压装置43设置在第二端上，能够从压料板4212的两端同时下压，保证下压力的均匀分布。在下压力大于预设值时，推动件44从第一端下压，而压料板4212第二端，进而使泄压装置43从向上滑动，能够稳定地实现泄压，防止压坏零部件和耗材3。
推动件44包括多个凸轮441，凸轮441与压料板4212对应设置，如可以一一对应，凸轮441转动到设定旋转位置时，能够带动对应的压料板4212与动力件41配合夹紧耗材3，推动装置还包括旋转单元45，旋转单元45包括驱动轴451，凸轮441设置在驱动轴451上，凸轮441沿驱动轴451的轴向排布并同步转动，多个凸轮441的突出部沿驱动轴451的旋转方向依次相错预设角度设置。通过将凸轮441的突出部沿驱动轴451的周向相错设置，能够实现可选择地带动耗材3移动，可根据需求选择适合的耗材3。通过将凸轮441的突出部沿驱动轴451的旋转方向依次相错预设角度设置，能够使驱动轴451每转一个预设角度，即可使其中一个凸轮441带动压料件421下压耗材3，通过控制驱动轴451转旋转预设角度的倍数，可以实现选择性带动耗材3移动。其中，设定旋转位置为凸轮441刚与对应的压料板4212接触触，且开始带动对应的压料板4212向耗材3移动的位置。通过设置突出部的大小和相邻凸轮441之间的预设角度，即可对设定旋转位置进行设定。
其中，突出部为凸轮441中沿径向向外突出的部分，突出部转至与压料板4212接触时，带动压料板4212移动，以使压料滚轮4211与动力件41压紧耗材3。当突出部与压料板4212分离时，压料滚轮4211脱离耗材3。其中，所有凸轮441同轴设置。从轴向方向看，各凸轮441的突出部沿凸轮441的旋转方向依次错开预设角度。
可选地，旋转单元45包括第二电机，驱动轴451与第二电机的电机轴同轴相连接，驱动轴451也可以是第二电机的电机轴。能够使驱动轴451转动，进而带动凸轮441转动即可。
驱动轴451包括第一端和第二端，驱动轴451上的多个凸轮441中，距离第一端最近的凸轮441为第一凸轮，距离第二端最近的凸轮441为第二凸轮，第一凸轮与第二凸轮沿驱动轴451的旋转方向所呈的最小角度大于预设角度，能够在推动件44的周向方向上，也就是驱动轴451的周向方向上形成一段没有凸轮441的突出部的空白区域，空白区域可以作为推动件44转动的起始点或终止点。当空白区域朝向压料板4212时，各凸轮441的突出部均没有将压料板4212带动至夹紧耗材3的夹紧位置上，此时可以手动将耗材3放入凸 轮441与动力件41之间。
其中，以与驱动轴451的中心轴线相垂直的平面为投影面，第一凸轮在投影面上的投影中，第一凸轮的突出部的中心线为a，第二凸轮在投影面上的投影中，第二凸轮的突出部的中心线为b，a与b形成的夹角中角度最小的角即为第一凸轮与第二凸轮沿驱动轴451的旋转方向所呈的最小角度的角。可以理解，预设角度为相邻凸轮441在投影面内的投影中，两个突出部的中心线形成夹角的角度。
本实施方式中，以凸轮441的数量为五个为例，相邻的凸轮441的突出部沿驱动轴451的旋转方向依次相错60°，也即预设角度为60°。第一凸轮与第二凸轮沿驱动轴451的旋转方向的夹角为120°。以第一凸轮和第二凸轮在驱动轴451的周向方向上形成的空白区域为起始点，驱动轴451每转60°即可实现不同耗材3的切换。
打印耗材输送机还包括控制器(图未示)。其中，控制器控制推动装置和/或裁切装置，如控制器能够对推动装置进行控制，实现控制推动装置按预设顺序带动耗材3。控制器与旋转单元45电连接，控制器可以用于控制推动装置按预设顺序依次带动耗材3移动，也即通过控制器按预设顺序选择压料装置42，使被选择的压料装置42与耗材3接触，实现了同一打印耗材输送机即可带动不同颜色或不同材质的耗材3进行打印，并进行切换，扩大了使用范围。也可以实现带动同种耗材3进行移动，进而实现同种耗材3的连续打印，避免单一耗材3使用完后人工频繁填料，减少了人工工作量。
其中，控制器可以为控制芯片等，通过控制器预设各耗材3被输送的顺序，即预设顺序，并控制驱动轴451根据预设顺序旋转，以依照预设顺序选择压料装置42，通过压料装置42及动力件41来带动对应的耗材3进行打印。
其中，为了便于切换，待使用的耗材3可按照预设顺序依次排布。例如，先使用红色耗材3打印，后使用蓝色耗材3打印，可将红色耗材3放置到与最左侧凸轮441对应的位置上，再将蓝色耗材3放置到左侧第二个凸轮441的对应位置上。以预设角度为60°为例，驱动轴451转动60°即可实现红色耗材3与蓝色耗材3的切换。
其中，推动装置也可以切换间隔设置的耗材3。
其中，每个进料通道1上均设置有进料滚轮46，进料滚轮46远离进料通道1的一侧设置有进料开关47，进料开关47与控制器电连接。进料开关47对应的进料通道1的位置有耗材时，通料信号进料开关47可以发出通料信号给控制器。
定义耗材3先进入进料通道1的一端为头端，随着耗材3送出，后进入进料通道1的一端为末端，需要说明的是，耗材3的头端会被消耗会被裁剪，但认定被消耗或被裁剪后的端部仍为头端。
当推动装置处于第一工作状态，且耗材3的末端穿过进料滚轮46处后，进料滚轮46触发进料开关47由通料信号转换为断料信号，控制器接收到断料信号后，可以控制推动装置进入第二工作状态。
当推动装置处于第二工作状态时，且耗材3的头端穿过进料滚轮46处后，进料滚轮46触发进料开关47由通料信号转换为断料信号，控制器接收到断料信号后，可以根据预设顺序切换耗材3后再次控制推动装置进入第一工作状态，也可以控制推动装置停止运行。
通过设置进料滚轮46和进料开关47，配合控制器，能够实现第一工作状态与第二工作状态之间的切换，进而实现不同颜色或不同材质的耗材3的切换以及同种耗材3的连续打印。可以立即，也可以有其他的状态组合实现第一工作状态与第二工作状态的切换，本申请不作限定。
可选地，进料滚轮46位于耗材3的下方，进料开关47位于进料滚轮46的下方，当耗材3穿过进料滚轮46处时，耗材3向下推动进料滚轮46，进而使进料滚轮46触碰挤压进料开关47，进而使进料开关47发出通料信号。当推动装置处于第二工作状态，且耗材3的头端穿过进料滚轮46处后，或当推动装置处于第一工作状态，且末端穿过进料滚轮46处后，耗材3不再对进料滚轮46施加压力，进料滚轮46不再对进料开关47施加压力，触发进料开关47由通料信号转换为断料信号。
可选的，壳体上还设置有指示灯8，指示灯8与控制器电性连接，指示灯8与进料通道1一一对应设置，当耗材3进入一条进料通道1并触发该进料通道1内的进料开关47后，控制器控制与该进料通道1对应的指示灯8点亮。
如图15至图23所示，裁切装置包括驱动单元51和裁切件52，控制器与驱动单元51电连接以向驱动单元51发送控制指令，驱动单元51和裁切件52连接以基于控制指令驱动裁切件52运动以裁断耗材3。
裁切装置能够将被更换的耗材3的端部裁掉，避免了因耗材3的消耗端不规则引起的堵塞和卡料的问题出现，即使耗材3再次被使用时，耗材3的端部不存在因打印头9高温形成的疙瘩状，该耗材3不会对3D打印机的打印头9或挤出机造成堵塞，不会对3D打印机造成损害，同时也省去了人工裁剪消耗端的步骤，减少了人工工作量，防止因人工疏忽而导致的堵塞和卡料现象。
驱动单元51具体用于在更换3D打印机使用的耗材3，耗材3回退预设时间或回退到预设位置时，驱动裁切件52裁断耗材3的端部。
预设位置的具体位置不作限定，可以根据传感器等确定位置。预设时间可以为耗材3回退所用的时间，耗材3回退预设时间后，耗材3停止移动，耗材3被裁断。预设时间的具体时间也不做限定，如可以为5s，6s等。
裁切装置还可以包括夹持单元53，裁剪耗材3时，驱动单元51用于驱动夹持单元53夹持耗材3，并驱动裁切件52动作以裁断耗材3，耗材3裁断后，驱动单元51用于驱动夹持单元53松开耗材3，并驱动裁切件52远离耗材3。其中，裁切件52可以位于夹持单元53的一侧。耗材3能被夹持单元53夹紧，更便于裁切件52对耗材3的裁断。
通过设置驱动单元51和裁切件52能够实现自动裁断耗材3，通过设置夹持单元53，夹持单元53松开耗材3，能够将被裁断后的耗材3消耗端排出，避免因耗材3的消耗端不规则引起的堵塞和卡料的问题出现，同时也省去了人工裁剪消耗端的步骤，减少了人工工作量，防止因人工疏忽而导致的堵塞和卡料现象。
可以理解，驱动单元51与裁切件52、夹持单元53连接，驱动单元51可以通过其他元件与裁切件52连接，驱动单元51可以通过其他元件与夹持单元53连接。驱动单元51也可以包括多个子驱动单元，一个子驱动单元与裁切件52连接，一个子驱动单元与夹持单 元53连接。
可以理解，驱动单元51驱动夹持单元53夹持耗材3，并驱动裁切件52动作以裁断耗材3时，可以先驱动夹持单元53夹持耗材3，再驱动裁切件52动作以裁断耗材3，或同时驱动夹持单元53夹持耗材3、并驱动裁切件52动作以裁断耗材3。驱动单元51驱动夹持单元53松开耗材3，并驱动裁切件52远离耗材3时，可以先驱动夹持单元53松开耗材3，再驱动裁切件52远离耗材3，或先驱动裁切件52远离耗材3，再驱动夹持单元53松开耗材3，或同时驱动夹持单元53松开耗材3并驱动裁切件52远离耗材3。
驱动单元51可为一个或两个，当驱动单元51为一个时，驱动单元51能够同时带动裁切件52和夹持单元53运动，当驱动单元51为两个时，其中一个驱动单元51与裁切件52相连接，用于带动裁切件52运动，另一个驱动单元51与夹持单元53相连接，用于带动夹持单元53运动。对于驱动单元51的数量，本申请不做限定，能够带动裁切件52和夹持单元53运动，且使裁切件52和夹持单元53协同配合即可。
具体地，本实施方式中，以驱动单元51的数量为一个进行说明，驱动单元51同时与裁切件52和夹持单元53相连接，用于带动裁切件52和夹持单元53同步运动。
可选地，裁切件52位于夹持单元53的一侧，即为裁切件52与夹持单元53相邻设置，可以有间隙的设置，便于裁断耗材3，同时也能使被裁断的消耗端长度较短，避免耗材3的浪费。
具体地，本实施方式中，定义打印耗材输送机处于退料工况时，耗材3在打印耗材输送机内的移动方向为第一方向，裁切件52位于夹持单元53的第一方向侧，能够确保将消耗端全部裁断，并将裁断后的消耗端排出。
其中，裁切件52的类型不作限定，如裁切件52可以为剪刀的类型，裁切件52也可以为裁刀。
其中，夹持单元53可以在裁断耗材3后，将消耗端排出至耗材3的移动路径以外，避免阻挡后续耗材3的排出。
驱动单元51包括驱动件511和旋转件512，驱动件511与旋转件512相连接，用于带动旋转件512转动，裁切件52与旋转件512相连接，以使裁切件52随旋转件512转动，裁切件52的刃端沿旋转件512的径向突出旋转件512。
通过设置旋转件512，为裁切件52提供了安装位置，并提供了运行路径，使裁切件52的刃端沿旋转件512的径向突出旋转件512，能够保证裁切件52有效裁断耗材3，驱动件511能够稳定地带动旋转件512转动，为裁断耗材3提供动力。
其中，耗材3位于旋转件512径向外侧，裁切件52伸出旋转件512的长度设置为能够完整地裁断耗材3。
其中，驱动件511可以为电机，旋转件512连接在电机的电机轴上，且旋转件512与电机轴同轴设置，以通过电机轴的转动带动旋转件512以自身中轴线为中心自转。驱动件511也可以为舵机等。
可选地，作为一种实施方式，裁切件52可固定直接连接在旋转件512上，以使旋转件512带动裁切件52转动。作为另一种实施方式，驱动单元51还包括连接盘，裁切件52固 定设置在连接盘上，连接盘套设在电机轴上，连接盘与旋转件512同轴设置，连接盘可以与旋转件512连接，裁切件52的一部分位于连接盘与旋转件512之间，能够保证旋转件512带动裁切件52转动的同时，也能够加强裁切件52的连接稳定性。具体地，连接盘与旋转件512通过螺钉固定连接。裁切件52沿径向伸出至连接盘和旋转件512外。
打印耗材输送机包括壳体，推动装置和裁切装置可以设置在壳体内，壳体包括收集槽55，收集槽55的槽口与夹持单元53相对设置。通过设置收集槽55，能够对被裁断的消耗端进行收集，便于统一回收处理，还能避免被裁断的消耗端影响装置运行。
其中，收集槽55位于夹持单元53的正下方，从夹持空间533掉落的被裁断的消耗端依靠自身重力落入收集槽55内。
其中，壳体包括第一部分和第二部分，第一部分与第二部分可拆卸地连接。
其中，收集槽55形成在第一部分上。第一部分与第二部分拆卸分离后，便于清理收集槽55内的耗材3。第一部分与第二部分装配在一起后，形成完整的壳体，能够对壳体内的零部件提供一定的密封保护作用，避免外部杂物进入到壳体内。
其中，壳体的内壁上设置有滑道，泄压滑块432滑动设置在滑道内，滑道沿相交于耗材3的运动方向的方向延伸，以将泄压滑块432限位为沿相交于耗材3的运动方向的方向移动。
旋转件512包括凹陷段5121和平滑段5122，凹陷段5121和平滑段5122沿旋转件512的周向排布，凹陷段5121沿旋转件512的径向向内凹陷，平滑段5122沿旋转件512的径向向外突出；夹持单元53包括第一夹持件531和第二夹持件532，第一夹持件531与第二夹持件532相对设置，第一夹持件531的第一端设置有第一凹槽，第二夹持件532的第一端设置有第二凹槽，第一凹槽用于与第二凹槽相扣合形成夹持空间533；第一夹持件531的第二端滑动设置在旋转件512的外周壁上，第二夹持件532的第二端滑动设置在旋转件512的外周壁上，驱动件511带动旋转件512转动，用于通过凹陷段5121和平滑段5122带动第一夹持件531的第二端与第二夹持件532的第二端相向或相离移动，以夹紧或松开耗材3。相向移动，即相互靠近，相离移动，即相互远离。
通过在旋转件512上设置凹陷段5121和平滑段5122，并通过凹陷段5121和平滑段5122带动第一夹持件531和第二夹持件532运动，进而实现夹紧或松开耗材3，结构简单稳定，可靠性高。
其中，第一夹持件531的中部铰接在安装载体上，且铰接点位于第一夹持件531的第一端与第二端之间。第二夹持件532的中部铰接在安装载体上，且铰接点位于第二夹持件532的第一端与第二端之间。旋转件512转动，第一夹持件531的第二端和第二夹持件532的第二端从凹陷段5121滑动至平滑段5122的过程中，第一夹持件531的第二端与第二夹持件532的第二端之间的距离逐渐增大，因为第一夹持件531的中部铰接在安装载体上且第二夹持件532的中部铰接在安装载体上，所以第一夹持件531的第一端与第二夹持件532的第一端之间的距离逐渐减小，直至相接触，进而通过第一凹槽和第二凹槽夹紧耗材3。旋转件512转动，第一夹持件531的第二端和第二夹持件532的第二
端从平滑段5122滑动至凹陷段5121的过程中，第一夹持件531的第二端与第二夹持 件532的第二端之间的距离逐渐减小，因为第一夹持件531的中部铰接在安装载体上且第二夹持件532的中部铰接在安装载体上，所以第一夹持件531的第一端与第二夹持件532的第一端相分离，且之间的距离逐渐增大，进而松开耗材3。
可选地，第一夹持件531与第二夹持件532的寸相同，第一夹持件531与第二夹持件532镜像设置。
可选地，第一夹持件531和第二夹持件532为L形，第一夹持件531的第一端与第二夹持件532的第一端相向延伸，抵触在一起时，第一凹槽与第二凹槽相对扣合，形成圆形的夹持空间533。
可选地，第一凹槽与第二凹槽的形成尺寸相同，可均为半圆形，以形成规则的夹持空间533。夹持空间533的横截面积可以等于或稍小于耗材3的横截面积，保证能夹紧耗材3。在耗材3前进或回退时，第一夹持件531和第二夹持件532不会夹紧耗材3。
可选地，第一夹持件531的第二端和第二夹持件532的第二端与旋转件512的外周壁保持抵触，充分与外周壁相接，并在旋转件512转动时，能在旋转件512的外周壁上滑动。
裁切装置还包括安装架54，第一夹持件531与安装架54可转动连接，第二夹持件532与安装架54可转动连接；裁切件52对应凹陷段5121设置。通过设置安装架54，为第一夹持件531和第二夹持件532提供了稳定的安装位置，并保证第一夹持件531和第二夹持件532能够稳定地转动。通过将裁切件52对应凹陷段5121设置，能够使裁切件52与第一夹持件531和第二夹持件532形成联动，当裁切件52对耗材3进行裁断时，第一夹持件531和第二夹持件532夹紧耗材3，以对耗材3提供支撑力，避免耗材3随裁切件52移动，导致无法有效地裁断耗材3。在裁断后，第一夹持件531和第二夹持件532松开耗材3，进而将被裁断的消耗端排出至耗材3的移动路径外，避免阻塞耗材3后续的排出。
其中，裁切件52对应凹陷段5121设置，即为裁切件52与凹陷段5121在旋转件512的轴向方向上相对设置。
其中，安装架54即为上述的安装载体，安装架54可固定连接在壳体的内壁上。安装架54可以为单体式的装置，或者安装架54包括多个子安装架54，以使安装架54上连接第一夹持件531和第二夹持件532。
安装架54上可以设置凸起的第一转轴和第二转轴；第一夹持件531通过第一转轴与安装架54可转动连接，第二夹持件532通过第二转轴与安装架54可转动连接；第一转轴位于第一夹持件531的第一端和第二端之间；第二转轴位于第二夹持件532的第一端和第二端之间。通过设置第一转轴和第二转轴，使第一夹持件531和第二夹持件532稳定地旋转连接在安装架54上，同时实现了第一夹持件531的第一端与第二夹持件532的第一端相离移动时，第一夹持件531的第二端与第二夹持件532的第二端相向移动，第一夹持件531的第一端与第二夹持件532的第一端相向移动时，第一夹持件531的第二端与第二夹持件532的第二端相离移动。
其中，第一夹持件531和第二夹持件532为L形，第一转轴可以设置在第一夹持件531的拐点处，第二转轴可以设置在第二夹持件532的拐点处。
可选地，凹陷段5121的数量为偶数个，平滑段5122的数量为偶数个，凹陷段5121和 平滑段5122沿旋转件512的周向间隔排布，凹陷段5121沿旋转件512的径向一一相对设置，平滑段5122沿旋转件512的径向一一相对设置，能够确保第一夹持件531和第二夹持件532同时滑动到不同的平滑段5122上或凹陷段5121上，进而保证第一夹持件531和第二夹持件532同时移动，以夹紧或松开耗材3。驱动件511带动旋转件512和裁切件52同步转动，且裁切件52对应凹陷段5121设置，进而确保裁断耗材3后松开耗材3，裁断耗材3前夹紧耗材3，保证了联动的稳定性。
可选地，本实施方式中，平滑段5122的数量为两个，凹陷段5121的数量为两个，两个平滑段5122占旋转件512外圆的一半，两个凹陷段5121占旋转件512外圆的一半。也即，每个平滑段5122的弧度为π/2，每个凹陷段5121的弧度为π/2。
夹持单元53还包括拉紧弹性单元534，拉紧弹性单元534的一端设置在第一夹持件531的第二端上，拉紧弹性单元534的另一端设置在第二夹持件532的第二端上，拉紧弹性单元534对第一夹持件531和第二夹持件532施加朝向旋转件512的弹性力，以使第一夹持件531的第二端和第二夹持件532的第二端贴于旋转件512的周向外壁。通过设置拉紧弹性单元534，使保证第一夹持件531的第二端和第二夹持件532的第二端能够稳固地抵触在旋转件512的周向外壁上。
可以理解，拉紧弹性单元534的一端设置在第一夹持件531的第二端上，拉紧弹性单元534的另一端设置在第二夹持件532的第二端上，即拉紧弹性单元534距离第一夹持件531的第二端比第一端更近，拉紧弹性单元534距离第二夹持件532的第二端比第一端更近。
可选地，拉紧弹性单元534对第一夹持件531的第二端和第二夹持件532的第二端施加的弹性力小于旋转件512对第一夹持件531的第二端和第二夹持件532的第二端施加的推力，以使通过旋转件512的平滑段5122能够带动第一夹持件531和第二夹持件532运动。
可选地，拉紧弹性单元534为弹簧。
本实施方式的另一方面，提供了一种打印耗材输送机，包括如上述的裁切装置；打印耗材输送机还包括出料通道2，裁切装置设置在出料通道2上，出料通道2上还设置有通道滑轮56，通道滑轮56远离出料通道2的一侧设置有裁切开关57，裁切开关57与控制器电性连接；当耗材3穿过通道滑轮56处时，耗材3推动通道滑轮56，触发裁切开关57发出通料信号；当打印耗材输送机处于退料工况，且耗材3的消耗端穿过通道滑轮56处后，通道滑轮56脱离裁切开关57，触发裁切开关57由通料信号转换为断料信号，以使控制器控制裁切装置裁断耗材3。通过设置通道滑轮56和裁切开关57，使裁切装置基于裁切开关57的发出通料信号，保证在打印耗材输送机正常出料时裁切装置不对
耗材3进行裁断。在裁切开关57由通料信号转换为断料信号时，裁切装置对耗材3进行裁断，进而保证了正常出料的稳定性和裁料的准确性。
可选地，通道滑轮56位于耗材3的上方，裁切开关57位于通道滑轮56的上方，当耗材3输送正常出料时，耗材3穿过通道滑轮56处，向上推动通道滑轮56，进而使通道滑轮56触碰挤压裁切开关57，进而使裁切开关57发出通料信号，以使裁切开关57控制裁切装置不动作，保证正常出料。当打印耗材输送机处于退料工况，且耗材3的消耗端穿过 通道滑轮56处后，耗材3不再对通道滑轮56施加推力，滚轮不再对裁切开关57施加压力，滚轮可在自身重力和裁切开关57的回弹力的作用下脱离裁切开关57，进而触发裁切开关57由通料信号转换为断料信号，裁切开关57控制裁切装置立即动作，以裁断耗材3的消耗端。
其中，通道滑轮56所对应的出料通道2的位置即为设定位置，也即出料通道2中通道滑轮56的所在处为设定位置。
打印耗材输送机还包括底座6和盖板7，底座6和盖板7设置壳体内，安装架54可连接在壳体上，也可以连接在底座6和盖板7上，第一弹性件422的远离压料板4212的一端设置在盖板7上，底座6和盖板7连接，进料通道1和出料通道2开设在底座6的第一壁面上，盖板7盖设在第一壁面上，以封闭进料通道1和出料通道2，盖板7上设置有安装过孔71，底座6上设置有安装槽61，以供推动装置带动至少一个进料通道内的耗材穿过出料通道并前进，或带动至少一个进料通道1内的耗材3后退，压料滚轮4211可穿过安装过孔71以夹紧耗材，动力轮411设置在安装槽61内，安装过孔71为通孔，多个安装过孔71和安装槽61对应。
通过设置底座6为进料通道1和出料通道2提供了开设位置，通过设置盖板7和底座6为安装架54和第一弹性件422等提供了安装位置，保证了打印耗材输送机的结构稳定。
底座6上还开设有让位部62，裁切装置固定在让位部62上。安装架54可以与让位部62固定连接。底座6和盖板7上形成进料通道和出料通道，并给裁切装置提供了安装位置。
本实施方式的另一方面，提供了一种3D打印机，包括如上述的打印耗材输送机。
实施例
如图1至图26所示，本实施例提供了一种打印耗材输送机，包括出料通道2、至少两个进料通道1、推动装置和裁切装置，至少两个进料通道1分别与出料通道2相连通，推动装置设置在进料通道1上，推动装置用于带动至少一个进料通道1内的耗材3穿过出料通道2并前进，或带动至少一个进料通道1内的耗材3后退，裁切装置设置在出料通道2上，裁切装置用于在推动装置带动耗材3后退至设定位置时裁断耗材3。
其中，推动装置包括动力件41、压料装置42和泄压装置43，耗材3位于动力件41与压料装置42之间，压料装置42用于在外力作用下与动力件41夹紧耗材3，动力件41用于驱动被夹紧的耗材3移动，泄压装置43与压料装置42连接，当压料装置42对耗材3的压力大于预设值时，泄压装置43用于使压料装置42向远离动力件41的方向移动。
其中，压料装置42包括压料件和第一弹性件422，耗材3位于动力件41与压料件之间，第一弹性件422设置在压料件靠近动力件41的一侧，压料件与泄压装置43连接，当压料件向动力件41移动时，第一弹性件422对压料件施加远离动力件41的弹性力；压料件包括压料滚轮4211和压料板4212，压料滚轮4211设置在压料板4212上，压料滚轮4211与动力件41相对设置，耗材3位于动力件41与压料滚轮4211之间；压料板4212包括第一端和第二端，泄压装置43设置在第二端上，压料板4212的第一端在外力作用下使压料滚轮4211与动力件41夹紧耗材3；推动装置还包括连接轴，连接轴贯穿压料板4212，连接轴与泄压装置43连接；压料装置42包括至少两个，耗材3的数量与压料装置42的数量 对应，压料装置42与耗材3对应设置，至少两个压料装置42都与泄压装置43连接，压料装置42能够被选择的与耗材3接触，以使动力件41和被选择的压料装置42夹紧耗材3。
其中，泄压装置43包括第二弹性件431和泄压滑块432，泄压滑块432分别与压料件、第二弹性件431连接，泄压滑块432设置在第二弹性件431朝向动力件41的一侧，泄压滑块432被限位为沿相交于耗材3的运动方向的方向移动，第二弹性件431通过泄压滑块432对压料件施加朝向动力件41所在侧的弹性力。
其中，推动装置还包括推动件44，推动件44设置在压料板4212远离压料滚轮4211的一侧，推动件44和第一弹性件422设置在压料板4212的第一端上，推动件44能够选择地带动压料装置42移动，以使压料装置42和动力件41夹紧耗材3，或使耗材3与压料装置42分离；推动件44包括多个凸轮441，凸轮441与压料板4212对应设置，凸轮441转动到设定旋转位置时，能够带动对应的压料板4212与动力件41配合夹紧耗材3；推动装置还包括旋转单元45，旋转单元45包括驱动轴451，凸轮441设置在驱动轴451上，凸轮441沿驱动轴451的轴向排布并同步转动，多个凸轮441的突出部沿驱动轴451的旋转方向依次相错预设角度设置；驱动轴451包括第一端和第二端，驱动轴451上的多个凸轮441中，距离第一端最近的凸轮441为第一凸轮，距离第二端最近的凸轮441为第二凸轮，第一凸轮与第二凸轮沿驱动轴451的旋转方向所呈的最小角度大于预设角度。
其中，打印耗材输送机还包括控制器，裁切装置包括控驱动单元和裁切件52，控制器与驱动单元电连接以向驱动单元发送控制指令，驱动单元与裁切件52连接以基于控制指令驱动裁切件52运动以裁断耗材3。
其中，驱动单元具体用于在更换3D打印机使用的耗材3，耗材3回退预设时间或回退到预设位置时，驱动裁切件52裁断耗材3的端部；裁切装置还包括夹持单元53，裁剪耗材3时，驱动单元用于驱动夹持单元53夹持耗材3，并驱动裁切件52动作以裁断耗材3，耗材3裁断后，驱动单元用于驱动夹持单元53松开耗材3，并驱动裁切件52远离耗材3；驱动单元包括驱动件511和旋转件512，驱动件511与旋转件512相连接，用于带动旋转件512转动，裁切件52与旋转件512相连接，以使裁切件52随旋转件512转动，裁切件52的刃端沿旋转件512的径向突出旋转件512；旋转件512包括凹陷段5121和平滑段5122，凹陷段5121和平滑段5122沿旋转件512的周向排布，凹陷段5121沿旋转件512的径向向内凹陷，平滑段5122沿旋转件512的径向向外突出；
裁切件52位于夹持单元53的一侧，夹持单元53包括第一夹持件531和第二夹持件532，第一夹持件531与第二夹持件532相对设置，第一夹持件531的第一端设置有第一凹槽，第二夹持件532的第一端设置有第二凹槽，第一凹槽用于与第二凹槽相扣合形成夹持空间533；第一夹持件531的第二端滑动设置在旋转件512的外周壁上，第二夹持件532的第二端滑动设置在旋转件512的外周壁上，驱动件511带动旋转件512转动，用于通过凹陷段5121和平滑段5122带动第一夹持件531的第二端与第二夹持件532的第二端相向或相离移动，以夹紧或松开耗材3；裁切装置还包括安装架54，第一夹持件531与安装架54可转动连接，第二夹持件532与安装架54可转动连接；裁切件52对应凹陷段5121设置。
其中，夹持单元53还包括拉紧弹性单元534，拉紧弹性单元534的一端设置在第一夹持件531的第二端上，拉紧弹性单元534的另一端设置在第二夹持件532的第二端上，拉紧弹性单元534对第一夹持件531和第二夹持件532施加朝向旋转件512的弹性力，以使第一夹持件531的第二端和第二夹持件532的第二端贴于旋转件512的周向外壁；安装架54上设置凸起的第一转轴和第二转轴；第一夹持件531通过第一转轴与安装架54可转动连接，第二夹持件532通过第二转轴与安装架54可转动连接；第一转轴位于第一夹持件531的第一端和第二端之间；第二转轴位于第二夹持件532的第一端和第二端之间；凹陷段5121的数量为偶数个，平滑段5122的数量为偶数个，凹陷段5121和平滑段5122沿旋转件512的周向间隔排布，凹陷段5121沿旋转件512的径向一一相对设置，平滑段5122沿旋转件512的径向一一相对设置；打印耗材输送机包括壳体，裁切装置和推动装置可以设置在壳体内，壳体包括收集槽55，收集槽55的槽口与夹持单元53相对设置。
其中，出料通道2上设置有通道滑轮56，通道滑轮56远离出料通道2的一侧设置有裁切开关57，裁切开关57与控制器电性连接；当耗材3穿过通道滑轮56处时，耗材3推动通道滑轮56，触发裁切开关57发出通料信号；当打印耗材输送机处于退料工况，且耗材3的消耗端穿过通道滑轮56处后，通道滑轮56脱离裁切开关57，触发裁切开关57由通料信号转换为断料信号，以使控制器控制裁切装置裁断耗材3。
本实施例的另一方面，提供了一种3D打印机，包括如上述的打印耗材输送机。
本领域的技术人员容易理解的是，在不冲突的前提下，上述各有利方式可以自由地组合、叠加。
以上仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。以上仅是本申请的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请技术原理的前提下，还可以做出若干改进和变型，这些改进和变型也应视为本申请的保护范围。

Claims (10)

  1. 一种打印耗材输送机，其特征在于，包括出料通道(2)、至少两个进料通道(1)、推动装置和裁切装置，至少两个所述进料通道(1)分别与所述出料通道(2)相连通，所述推动装置设置在所述进料通道(1)上，所述推动装置用于带动至少一个所述进料通道(1)内的耗材(3)穿过所述出料通道(2)并前进，或带动至少一个所述进料通道(1)内的耗材(3)后退，所述裁切装置设置在所述出料通道(2)上，所述裁切装置用于在所述推动装置带动所述耗材(3)后退至设定位置时裁断所述耗材(3)。
  2. 根据权利要求1所述的打印耗材输送机，其特征在于，所述推动装置包括动力件(41)、压料装置(42)和泄压装置(43)，所述进料通道(1)中的耗材(3)位于所述动力件(41)与所述压料装置(42)之间，所述压料装置(42)用于在外力作用下与所述动力件(41)夹紧所述耗材(3)，所述动力件(41)用于驱动被夹紧的所述耗材(3)移动，所述泄压装置(43)与所述压料装置(42)连接，当所述压料装置(42)对所述耗材(3)的压力大于预设值时，所述泄压装置(43)用于使所述压料装置(42)向远离所述动力件(41)的方向移动。
  3. 根据权利要求2所述的打印耗材输送机，其特征在于，所述压料装置(42)包括压料件(421)和第一弹性件(422)，所述进料通道(1)中的耗材(3)位于所述动力件(41)与所述压料件(421)之间，所述第一弹性件(422)设置在所述压料件(421)靠近所述动力件(41)的一侧，所述压料件(421)与所述泄压装置(43)连接，当所述压料件(421)向所述动力件(41)移动时，所述第一弹性件(422)对所述压料件(421)施加远离所述动力件(41)的弹性力；
    所述压料件(421)包括压料滚轮(4211)和压料板(4212)，所述压料滚轮(4211)设置在所述压料板(4212)上，所述压料滚轮(4211)与所述动力件(41)相对设置，所述耗材(3)位于所述动力件(41)与所述压料滚轮(4211)之间；
    所述压料板(4212)包括第一端和第二端，所述泄压装置(43)设置在所述第二端上，所述压料板(4212)的第一端在外力作用下使所述压料滚轮(4211)与所述动力件(41)夹紧所述耗材(3)；
    所述推动装置还包括连接轴，所述连接轴贯穿所述压料板(4212)，所述连接轴与所述泄压装置(43)连接；
    所述压料装置(42)包括至少两个，所述耗材(3)的数量与所述压料装置(42)的数量对应，所述压料装置(42)与所述耗材(3)对应设置，至少两个所述压料装置(42)都与所述泄压装置(43)连接，所述压料装置(42)能够被选择的与所述耗材(3)接触，以使所述动力件(41)和被选择的所述压料装置(42)夹紧所述耗材(3)。
  4. 根据权利要求2所述的打印耗材输送机，其特征在于，所述泄压装置(43)包括第二弹性件(431)和泄压滑块(432)，所述泄压滑块(432)分别与所述压料装置(42)、所述第二弹性件(431)连接，所述泄压滑块(432)设置在所述第二弹性件(431)朝向所述动力件(41)的一侧，所述泄压滑块(432)被限位为沿相交于所述耗材(3)的运动方向的方向移动，所述第二弹性件(431)通过泄压滑块(432)对所述压料装置(42)施加朝向所述动力件(41)所在侧的弹性力。
  5. 根据权利要求3所述的打印耗材输送机，其特征在于，所述推动装置还包括推动件 (44)，所述推动件(44)设置在所述压料板(4212)远离所述压料滚轮(4211)的一侧，所述推动件(44)和所述第一弹性件(422)设置在所述压料板(4212)的第一端上，所述推动件(44)能够选择地带动所述压料装置(42)移动，以使所述压料装置(42)和所述动力件(41)夹紧所述耗材(3)，或使所述耗材(3)与所述压料装置(42)分离；
    所述推动件(44)包括多个凸轮(441)，所述凸轮(441)与所述压料板(4212)对应设置，所述凸轮(441)转动到设定旋转位置时，能够带动对应的所述压料板(4212)与所述动力件(41)配合夹紧所述耗材(3)；
    所述推动装置还包括旋转单元(45)，所述旋转单元(45)包括驱动轴(451)，所述凸轮(441)设置在所述驱动轴(451)上，所述凸轮(441)沿所述驱动轴(451)的轴向排布并同步转动，多个所述凸轮(441)的突出部沿所述驱动轴(451)的旋转方向依次相错预设角度设置；
    所述驱动轴(451)包括第一端和第二端，所述驱动轴(451)上的多个所述凸轮(441)中，距离所述第一端最近的凸轮(441)为第一凸轮，距离所述第二端最近的凸轮(441)为第二凸轮，所述第一凸轮与所述第二凸轮沿所述驱动轴(451)的旋转方向所呈的最小角度大于所述预设角度。
  6. 根据权利要求1所述的打印耗材输送机，其特征在于，所述打印耗材输送机还包括控制器，所述裁切装置包括驱动单元(51)和裁切件(52)，所述控制器与所述驱动单元(51)电连接以向所述驱动单元(51)发送控制指令，所述驱动单元(51)与所述裁切件(52)连接以基于所述控制指令驱动所述裁切件(52)运动以裁断耗材(3)。
  7. 根据权利要求6所述的打印耗材输送机，其特征在于，所述驱动单元(51)具体用于在更换3D打印机使用的耗材(3)，所述耗材(3)回退预设时间或回退到预设位置时，驱动所述裁切件(52)裁断所述耗材(3)的端部；
    所述裁切装置还包括夹持单元(53)，裁剪所述耗材(3)时，所述驱动单元(51)用于驱动所述夹持单元(53)夹持所述耗材(3)，并驱动所述裁切件(52)动作以裁断所述耗材(3)，所述耗材(3)裁断后，所述驱动单元(51)用于驱动所述夹持单元(53)松开所述耗材(3)，并驱动所述裁切件(52)远离所述耗材(3)；
    所述驱动单元(51)包括驱动件(511)和旋转件(512)，所述驱动件(511)与旋转件(512)相连接，用于带动所述旋转件(512)转动，所述裁切件(52)与所述旋转件(512)相连接，以使所述裁切件(52)随所述旋转件(512)转动，所述裁切件(52)的刃端沿所述旋转件(512)的径向突出所述旋转件(512)；
    所述旋转件(512)包括凹陷段(5121)和平滑段(5122)，所述凹陷段(5121)和所述平滑段(5122)沿所述旋转件(512)的周向排布，所述凹陷段(5121)沿所述旋转件(512)的径向向内凹陷，所述平滑段(5122)沿所述旋转件(512)的径向向外突出；
    所述裁切件(52)位于所述夹持单元(53)的一侧，所述夹持单元(53)包括第一夹持件(531)和第二夹持件(532)，所述第一夹持件(531)与所述第二夹持件(532)相对设置，所述第一夹持件(531)的第一端设置有第一凹槽，所述第二夹持件(532)的第一端设置有第二凹槽，所述第一凹槽用于与所述第二凹槽相扣合形成夹持空间(533)；
    所述第一夹持件(531)的第二端滑动设置在所述旋转件(512)的外周壁上，所述第二夹 持件(532)的第二端滑动设置在所述旋转件(512)的外周壁上，所述驱动件(511)带动所述旋转件(512)转动，用于通过所述凹陷段(5121)和所述平滑段(5122)带动所述第一夹持件(531)的第二端与所述第二夹持件(532)的第二端相向或相离移动，以夹紧或松开所述耗材(3)；
    所述裁切装置还包括安装架(54)，所述第一夹持件(531)与所述安装架(54)可转动连接，所述第二夹持件(532)与所述安装架(54)可转动连接；
    所述裁切件(52)对应所述凹陷段(5121)设置。
  8. 根据权利要求7所述的打印耗材输送机，其特征在于，所述夹持单元(53)还包括拉紧弹性单元(534)，所述拉紧弹性单元(534)的一端设置在所述第一夹持件(531)的第二端上，所述拉紧弹性单元(534)的另一端设置在所述第二夹持件(532)的第二端上，所述拉紧弹性单元(534)对所述第一夹持件(531)和所述第二夹持件(532)施加朝向所述旋转件(512)的弹性力，以使所述第一夹持件(531)的第二端和所述第二夹持件(532)的第二端贴于所述旋转件(512)的周向外壁；
    所述安装架(54)上设置凸起的第一转轴和第二转轴；所述第一夹持件(531)通过所述第一转轴与所述安装架(54)可转动连接，所述第二夹持件(532)通过所述第二转轴与所述安装架(54)可转动连接；
    所述第一转轴位于所述第一夹持件(531)的第一端和第二端之间；
    所述第二转轴位于所述第二夹持件(532)的第一端和第二端之间；
    所述凹陷段(5121)的数量为偶数个，所述平滑段(5122)的数量为偶数个，所述凹陷段(5121)和所述平滑段(5122)沿所述旋转件(512)的周向间隔排布，所述凹陷段(5121)沿所述旋转件(512)的径向一一相对设置，所述平滑段(5122)沿所述旋转件(512)的径向一一相对设置；
    所述打印耗材输送机包括壳体，所述裁切装置和所述推动装置设置在所述壳体内，所述壳体包括收集槽(55)，所述收集槽(55)的槽口与所述夹持单元(53)相对设置；
    所述打印耗材输送机还包括底座和盖板，所述底座和盖板设置在所述壳体内，所述安装架与所述底座连接，所述底座和所述盖板连接，所述进料通道和所述出料通道开设在所述底座的第一壁面上，所述盖板盖设在所述第一壁面上，以封闭所述进料通道和所述出料通道，所述盖板上设置有安装过孔，所述底座上设置有安装槽，以供所述推动装置带动至少一个所述进料通道内的耗材穿过所述出料通道并前进，所述安装过孔和所述安装槽对应，所述底座上设置有让位部，所述裁切装置设置在所述让位部上。
  9. 根据权利要求7所述的打印耗材输送机，其特征在于，所述出料通道(2)上设置有通道滑轮(56)，所述通道滑轮(56)远离所述出料通道(2)的一侧设置有裁切开关(57)，所述裁切开关(57)与所述控制器电性连接；
    当所述耗材(3)穿过所述通道滑轮(56)处时，所述耗材(3)推动所述通道滑轮(56)，触发所述裁切开关(57)发出通料信号；
    当所述打印耗材输送机处于退料工况，且所述耗材(3)的消耗端穿过所述通道滑轮(56)处后，所述通道滑轮(56)脱离所述裁切开关(57)，触发所述裁切开关(57)由通料信号转换为断料信号，以使控制器控制所述裁切装置裁断所述耗材(3)。
  10. 一种3D打印机，其特征在于，包括如权利要求1-9任意一项所述的打印耗材输送机。
PCT/CN2022/143859 2021-12-30 2022-12-30 打印耗材输送机和3d打印机 WO2023125919A1 (zh)

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