WO2023125922A1 - 裁剪设备、打印耗材输送机和3d打印机 - Google Patents

裁剪设备、打印耗材输送机和3d打印机 Download PDF

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Publication number
WO2023125922A1
WO2023125922A1 PCT/CN2022/143862 CN2022143862W WO2023125922A1 WO 2023125922 A1 WO2023125922 A1 WO 2023125922A1 CN 2022143862 W CN2022143862 W CN 2022143862W WO 2023125922 A1 WO2023125922 A1 WO 2023125922A1
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WO
WIPO (PCT)
Prior art keywords
cutting
clamping
consumable
consumables
cutting device
Prior art date
Application number
PCT/CN2022/143862
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English (en)
French (fr)
Inventor
廖启铭
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深圳市纵维立方科技有限公司
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Publication of WO2023125922A1 publication Critical patent/WO2023125922A1/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
    • 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

  • the application belongs to the technical field of three-dimensional printing, and in particular relates to a cutting device, a printing consumable conveyor and a 3D printer.
  • 3D printer also known as 3D printer (3D Printer, 3DP) is a machine based on rapid prototyping technology. Layers of bonded material are used to create three-dimensional objects.
  • the technical problem to be solved in this application is to provide a cutting device, a printing consumable conveyor and a 3D printer, wherein the cutting device can cut off the consumable end of the consumable when the material is returned, so as to avoid blocking the consumable channel and improve production efficiency.
  • the present application provides a cutting device, which is applied to a printing consumables conveyor, and the printing consumables conveyor is used to replace consumables used by a 3D printer;
  • the cutting device includes a controller, a drive unit and a cutting part,
  • the controller is electrically connected to the drive unit to send a control instruction to the drive unit, and the drive unit is connected to the cutting element to drive the cutting element to move based on the control instruction to cut consumables.
  • the drive unit is specifically configured to drive the cutting member to cut the end of the consumable when the consumable used by the 3D printer is replaced, and the consumable is retracted for a preset time or to a preset position. ;
  • the cutting device also includes a clamping unit.
  • the driving unit is used to drive the clamping unit to clamp the consumables, and drive the cutting member to cut the consumables.
  • the driving unit is used to drive the clamping unit to release the consumable, and drive the cutting piece away from the consumable.
  • the driving unit includes a driving member and a rotating member, the driving member is connected with the rotating member for driving the rotating member to rotate, and the cutting member is connected with the rotating member so that the The cutting part rotates with the rotating part, and the edge end of the cutting part protrudes from the rotating part along the radial direction of the rotating part.
  • the rotating member includes a concave segment and a smooth segment, the concave segment and the smooth segment are arranged along the circumferential direction of the rotating member, and the recessed segment is recessed inward along the radial direction of the rotating member , the stable section protrudes outward along the radial direction of the rotating member;
  • the cutting member is located on one side of the clamping unit, and the clamping unit includes a first clamping piece and a second clamping piece, the The first clamping piece is arranged opposite to the second clamping piece, the first end of the first clamping piece is provided with a first groove, and the first end of the second clamping piece is provided with a second groove.
  • the first groove is used to engage with the second groove to form a clamping space;
  • the second end of the first clamping member is slidably arranged on the outer peripheral wall of the rotating member, so The second end of the second clamping part is slidably arranged on the outer peripheral wall of the rotating part, and the driving part drives the rotating part to rotate, and is used to drive the first
  • the second end of the clamping member moves toward or away from the second end of the second clamping member to clamp or loosen the consumable.
  • the cutting device further includes a mounting frame, the first clamping part is rotatably connected to the mounting frame, and the second clamping part is rotatably connected to the mounting frame; the cutting part corresponds to The concave segment is set.
  • the clamping unit further includes a tension elastic member, one end of the tension elastic member is arranged on the second end of the first clamping member, and the other end of the tension elastic member is arranged on On the second end of the second clamping part, the tension elastic part exerts an elastic force towards the rotating part on the first clamping part and the second clamping part, so that the first clamping part
  • the second end of a clamping part and the second end of the second clamping part are attached to the circumferential outer wall of the rotating part.
  • the cutting device further includes a mounting frame, on which a raised first rotating shaft and a second rotating shaft are arranged; the first clamping member is rotatable with the mounting frame through the first rotating shaft connected, the second clamping member is rotatably connected to the installation frame through the second rotating shaft; the first rotating shaft is located between the first end and the second end of the first clamping member; the The second rotating shaft is located between the first end and the second end of the second clamping member.
  • the number of the concave segments is an even number
  • the number of the smooth segments is an even number
  • the concave segments and the smooth segments are arranged at intervals along the circumference of the rotating member, and the concave segments are arranged along the
  • the radial directions of the rotating parts are arranged one by one opposite to each other, and the stable sections are arranged one by one opposite to each other along the radial direction of the rotating parts;
  • the printing consumables conveyor includes a casing, and the cutting device is arranged in the casing,
  • the housing includes a collecting groove, and the notch of the collecting groove is arranged opposite to the clamping unit.
  • a printing consumable conveyor which includes the above-mentioned cutting device; the printing consumable conveyor also includes a discharge channel, and the cutting device is arranged on the discharge On the channel, channel rollers are also provided on the discharge channel, and a cutting switch is provided on the side of the channel roller away from the discharge channel, and the cutting switch is electrically connected to the controller; when the consumables When passing through the passage rollers, the consumables push the passage rollers, triggering the cutting switch to send a feed signal; After the channel roller is at the position, the channel roller is separated from the cutting switch, and the cutting switch is triggered to be converted from a feed signal to a material cut-off signal, so that the controller controls the cutting device to cut the consumables.
  • Another aspect of the present application provides a 3D printer, including the above-mentioned cutting device or the above-mentioned printing consumable conveyor.
  • a cutting device, a printing consumables conveyor and a 3D printer provided in the embodiments of the present invention, wherein the cutting device is applied to a printing consumables conveyor, and the printing consumables conveyor is used to replace consumables used by a 3D printer;
  • the cutting device includes a controller, a drive unit and a cutting piece, the controller is electrically connected to the drive unit to send a control command to the drive unit, the drive unit is connected to the cutting piece to drive the cutting piece to move based on the control command to cut consumables, the cutting device
  • the end of the replaced consumable can be cut off, avoiding the problems of blockage and material jam caused by the irregular consumable end of the consumable.
  • 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, reduces the manual workload, and prevents damage due to manual negligence. The resulting blockage and material jam phenomenon.
  • Fig. 1 is the explosion diagram of the cutting equipment of the embodiment of the present application.
  • FIG. 2 is a schematic structural view of a first clamping member of a cutting device according to an embodiment of the present application
  • Fig. 3 is a schematic structural diagram of the rotating member and the cutting member before the consumables are cut according to the embodiment of the present application;
  • FIG. 4 is a schematic structural diagram of a cutting device before cutting consumables according to an embodiment of the present application
  • FIG. 5 is a cross-sectional view of the cutting device when the consumables pass through the channel rollers according to the embodiment of the present application;
  • FIG. 6 is a cross-sectional view of the printing consumables conveyor according to the embodiment of the present application.
  • Driving unit 11. Driving part; 12. Rotating part; 121. Recessed section; 122. Stable section; 2. Cutting part; 3. Clamping unit; 31. First clamping part; 32. Second clamping 33. Clamping space; 34. Tensioning elastic parts; 4. Mounting frame; 5. Collecting tank; 6. Channel roller; 7. Cutting switch; 8. Consumables.
  • 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.
  • a cutting device is applied to a printing consumable conveyor, the printing consumable conveyer is applied to a 3D printer, and the printing consumable conveyor is used to replace the consumables used by the 3D printer 8.
  • the cutting device includes a controller (not shown), a drive unit 1 and a cutting piece 2, the controller is electrically connected to the drive unit 1 to send control instructions to the drive unit 1, and the drive unit 1 and the cutting piece 2 are connected based on The control instruction drives the cutting part 2 to move to cut the consumables 8 .
  • the cutting device can cut off the end of the replaced consumable 8, avoiding the problems of blockage and material jam caused by the irregular consumable end of the consumable 8, even when the consumable 8 is used again, the end of the consumable 8 does not exist Due to the pimple shape formed by the high temperature of the print head, the consumable 8 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.
  • the controller can be a control chip, etc., so as to send a control command to the drive unit 4 when necessary, so that the drive unit 4 drives the cutter 2 to cut the consumables 8 .
  • the drive unit 1 is specifically used to drive the cutting member 2 to cut the end of the consumable when the consumable 8 used by the 3D printer is replaced, and the consumable 8 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 8 to be retracted. After the consumable 8 is retracted for the preset time, the consumable 8 stops moving and the consumable 8 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 3.
  • the drive unit 1 is used to drive the clamping unit 3 to clamp the consumables 8, and drive the cutting part 2 to cut the consumables 8.
  • the drive unit 1 uses The clamping unit 3 is driven to loosen the consumable 8 and the cutting part 2 is driven away from the consumable 8 .
  • the cutting piece 2 can be located on one side of the clamping unit 3 .
  • the consumables 8 can be clamped by the clamping unit 3 , which is more convenient for the cutting part 2 to cut the consumables 8 .
  • the consumables 8 can be cut automatically by setting the driving unit 1 and the cutting part 2. By setting the clamping unit 3, the clamping unit 3 can loosen the consumables 8, and the consumable end of the cut consumables 8 can be discharged to avoid the consumption of the consumables 8.
  • 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 1 is connected with the cutting part 2 and the clamping unit 3, the driving unit 1 can be connected with the cutting part 2 through other components, and the driving unit 1 can be connected with the clamping unit 3 through other components.
  • the drive unit 1 may also include multiple sub-drive units, one sub-drive unit is connected to the cutting part 2 , and one sub-drive unit is connected to the clamping unit 3 .
  • the driving unit 1 drives the clamping unit 3 to clamp the consumable 8 and drives the cutting member 2 to cut the consumable 8 it can first drive the clamping unit 3 to clamp the consumable 8, and then drive the cutting member 2 to act to cut the consumable 8 , or simultaneously drive the clamping unit 3 to clamp the consumable 8 and drive the cutter 2 to cut the consumable 8 .
  • the driving unit 1 drives the clamping unit 3 to release the consumable 8 and drives the cutting part 2 away from the consumable 8 it can first drive the clamping unit 3 to release the consumable 8, and then drive the cutting part 2 away from the consumable 8, or first drive the cutting part 2 away from the consumables 8 , and then drive the clamping unit 3 to release the consumables 8 , or simultaneously drive the clamping unit 3 to release the consumables 8 and drive the cutting part 2 away from the consumables 8 .
  • the driving unit 1 can be one or two. When the driving unit 1 is one, the driving unit 1 can simultaneously drive the cutting piece 2 and the clamping unit 3 to move. When there are two driving units 1, one of the driving units 1 and the cutting The part 2 is connected to drive the cutting part 2 to move, and the other drive unit 1 is connected to the clamping unit 3 to drive the clamping unit 3 to move.
  • the application does not limit the number of driving units 1 , as long as they can drive the cutting part 2 and the clamping unit 3 to move, and the cutting part 2 and the clamping unit 3 cooperate.
  • the number of the driving unit 1 is taken as one for illustration.
  • the driving unit 1 is connected with the cutting part 2 and the clamping unit 3 at the same time, and is used to drive the cutting part 2 and the clamping unit 3 to move synchronously.
  • the cutting piece 2 is located on one side of the clamping unit 3, that is, the cutting piece 2 is adjacent to the clamping unit 3, and there may be a gap to facilitate cutting the consumables 8, while also enabling the cut consumable end
  • the length is shorter, avoiding the waste of consumables 8.
  • the moving direction of the consumables 8 in the printing consumables conveyor is the first direction
  • the cutting piece 2 is located on the side of the clamping unit 3 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 2 is not limited, for example, the cutting part 2 may be a type of scissors, or the cutting part 2 may be a cutting knife.
  • the clamping unit 3 can discharge the consumable end out of the moving path of the consumable 8 after cutting the consumable 8 , so as to avoid blocking the discharge of the subsequent consumable 8 .
  • the driving unit 1 includes a driving member 11 and a rotating member 12, the driving member 11 is connected with the rotating member 12 for driving the rotating member 12 to rotate, and the cutting member 2 is connected with the rotating member 12 so that the cutting member 2 rotates with the rotating member 12 , the cutting edge of the cutting piece 2 protrudes from the rotating piece 12 along the radial direction of the rotating piece 12 .
  • the driving part 11 can stably drive the rotation part 12 to provide power for cutting consumables 8 .
  • the consumable material 8 is located radially outside the rotating member 12 , and the length of the cutting member 2 protruding from the rotating member 12 is set to be able to completely cut the consumable material 8 .
  • the driving part 11 can be a motor, and the rotating part 12 is connected to the motor shaft of the motor, and the rotating part 12 is arranged coaxially with the motor shaft, so that the rotation of the motor shaft drives the rotating part 12 to rotate around its central axis.
  • the driver 11 can also be a steering gear or the like.
  • the cutting part 2 can be fixed and directly connected to the rotating part 12, so that the rotating part 12 drives the cutting part 2 to rotate.
  • the drive unit 1 also includes a connecting plate, the cutting part 2 is fixedly arranged on the connecting plate, the connecting plate is sleeved on the motor shaft, the connecting plate is coaxially arranged with the rotating member 12, and the connecting plate can be connected with the rotating member 12 connection, a part of the cutting part 2 is located between the connection plate and the rotating part 12, which can ensure that the rotating part 12 drives the cutting part 2 to rotate, and can also enhance the connection stability of the cutting part 2.
  • the connection plate is fixedly connected to the rotating member 12 by screws. The cutting part 2 protrudes outside the connection plate and the rotating part 12 in the radial direction.
  • the printing consumables conveyor includes a casing, and the cutting device is arranged in the casing.
  • the casing includes a collecting tank 5 , and the notch of the collecting tank 5 is arranged opposite to the clamping unit 3 .
  • the collection tank 5 By setting the collection tank 5, the cut consumption end can be collected, which is convenient for unified recycling and processing, and can also prevent the cut consumption end from affecting the operation of the equipment.
  • the collecting tank 5 is located directly below the clamping unit 3 , and the cut off consumable end falling from the clamping space 33 falls into the collecting tank 5 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 collection groove 5 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 8 in the collecting tank 5 . 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.
  • the rotating part 12 includes a concave section 121 and a smooth section 122, the concave section 121 and the smooth section 122 are arranged along the circumferential direction of the rotating part 12, the concave section 121 is recessed inward along the radial direction of the rotating part 12, and the smooth section 122 is arranged along the radial direction of the rotating part 12.
  • the clamping unit 3 includes a first clamping part 31 and a second clamping part 32, the first clamping part 31 and the second clamping part 32 are arranged oppositely, the first clamping part 31 of the first clamping part 31 One end is provided with a first groove, and the first end of the second clamping member 32 is provided with a second groove, and the first groove is used to engage with the second groove to form a clamping space 33; the first clamping The second end of the member 31 is slidably arranged on the outer peripheral wall of the rotating member 12, the second end of the second clamping member 32 is slidably arranged on the outer peripheral wall of the rotating member 12, and the driving member 11 drives the rotating member 12 to rotate for passing through
  • the concave section 121 and the smooth section 122 drive the second end of the first clamping part 31 and the second end of the second clamping part 32 to move toward or away from each other, so as to clamp or loosen the consumables 8 .
  • the middle part of the first clamping part 31 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 31 .
  • the middle part of the second clamping part 32 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 32 .
  • the second end of the first clamping member 31 and the second end of the second clamping member 32 slide from the concave section 121 to the smooth section 122, the second end of the first clamping piece 31 and the second end of the second clamping piece 32 slide
  • the distance between the second ends of the second clamping part 32 increases gradually, because the middle part of the first clamping part 31 is hinged on the mounting carrier and the middle part of the second clamping part 32 is hinged on the mounting carrier, so the first The distance between the first end of the clamping part 31 and the first end of the second clamping part 32 decreases gradually until they touch each other, and then the consumables 8 are clamped through the first groove and the second groove.
  • the second end of the first clamping member 31 and the second end of the second clamping member 32 slide from the smooth segment 122 to the concave segment 121, the second end of the first clamping member 31 and the second end of the second clamping member 32 slide
  • the distance between the second ends of the second clamping part 32 gradually decreases, because the middle part of the first clamping part 31 is hinged on the mounting carrier and the middle part of the second clamping part 32 is hinged on the mounting carrier, so the first The first end of the clamping part 31 is separated from the first end of the second clamping part 32 , and the distance between them gradually increases, thereby releasing the consumables 8 .
  • first clamping piece 31 and the second clamping piece 32 have the same size, and the first clamping piece 31 and the second clamping piece 32 are mirror images.
  • first clamping piece 31 and the second clamping piece 32 are L-shaped, the first end of the first clamping piece 31 and the first end of the second clamping piece 32 extend toward each other, and when they collide together, The first groove and the second groove are engaged relative to each other to form a circular clamping space 33 .
  • 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 33 .
  • the cross-sectional area of the clamping space 33 can be equal to or slightly larger than the cross-sectional area of the consumable 8 to ensure that the consumable 8 can be clamped.
  • the first clamping part 31 and the second clamping part 32 will not clamp the consumable 8 .
  • the second end of the first clamping part 31 and the second end of the second clamping part 32 keep in contact with the outer peripheral wall of the rotating part 12, fully contact with the outer peripheral wall, and when the rotating part 12 rotates, It can slide on the outer peripheral wall of the rotating member 12 .
  • the cutting device also includes a mounting frame 4 , the first clamping part 31 is rotatably connected to the mounting frame 4 , and the second clamping part 32 is rotatably connected to the mounting frame 4 ; the cutting part 2 is arranged corresponding to the recessed section 121 .
  • the mounting frame 4 By providing the mounting frame 4 , a stable installation position is provided for the first clamping part 31 and the second clamping part 32 , and stable rotation of the first clamping part 31 and the second clamping part 32 is ensured.
  • the cutting part 2 By arranging the cutting part 2 corresponding to the recessed section 121, the cutting part 2 can be linked with the first clamping part 31 and the second clamping part 32.
  • the first clamping part 31 and the second clamping member 32 When the cutting part 2 cuts the consumable 8, the first clamping part 31 and the second clamping member 32 to clamp the consumables 8 to provide support for the consumables 8 and prevent the consumables 8 from moving with the cutting member 2 , resulting in the inability to effectively cut the consumables 8 .
  • the first clamping part 31 and the second clamping part 32 loosen the consumable 8, and then discharge the cut consumable end out of the moving path of the consumable 8, so as to avoid blocking the subsequent discharge of the consumable 8.
  • the cutting part 2 is arranged corresponding to the recessed section 121 , that is, the cutting part 2 and the recessed section 121 are arranged opposite to each other in the axial direction of the rotating part 12 .
  • the installation frame 4 is the above-mentioned installation carrier, and the installation frame 4 can be fixedly connected to the inner wall of the housing.
  • the mounting frame 4 may be a single device, or the mounting frame may include multiple sub-mounting frames, so that the mounting frame 4 is connected with the first clamping part 31 and the second clamping part 32 .
  • Protruding first rotating shaft and second rotating shaft can be set on the mounting frame 4; Rotational connection; the first rotating shaft is located between the first end and the second end of the first clamping member 31 ; the second rotating shaft is located between the first end and the second end of the second clamping member 32 .
  • the first clamping part 31 and the second clamping part 32 are stably rotatably connected to the installation frame 4, and at the same time, the first end of the first clamping part 31 and the second
  • the first end of the first clamping part 32 moves away from each other
  • the second end of the first clamping part 31 and the second end of the second clamping part 32 move towards each other
  • the first end of the first clamping part 31 and the second end of the second clamping part 31 move toward each other.
  • the first end of the clamping part 32 moves towards each other
  • the second end of the first clamping part 31 and the second end of the second clamping part 32 move away from each other.
  • first clamping part 31 and the second clamping part 32 are L-shaped, the first rotating shaft can be set at the inflection point of the first clamping part 31, and the second rotating shaft can be set at the inflection point of the second clamping part 32 .
  • the number of the concave segments 121 is an even number
  • the number of the smooth segments 122 is an even number
  • the concave segments 121 and the smooth segments 122 are arranged at intervals along the circumferential direction of the rotary member 12, and the concave segments 121 are arranged along the radial direction of the rotary member 12
  • the stable sections 122 are arranged one by one relative to each other along the radial direction of the rotating member 12, which can ensure that the first clamping piece 31 and the second clamping piece 32 slide onto different stable sections 122 or concave sections 121 at the same time, Furthermore, it is ensured that the first clamping part 31 and the second clamping part 32 move simultaneously to clamp or loosen the consumables 8 .
  • the driving part 11 drives the rotating part 12 and the cutting part 2 to rotate synchronously, and the cutting part 2 is set corresponding to the recessed section 121, thereby ensuring that the consumable 8 is released after cutting the consumable 8, and the consumable 8 is clamped before cutting the consumable 8, ensuring the stability of the linkage .
  • the two smooth sections 122 occupy half of the outer circle of the rotating member 12, and the two concave sections 121 occupy half of the outer circle of the rotating member 12.
  • the clamping unit 3 also includes a tension elastic member 34, one end of the tension elastic member 34 is arranged on the second end of the first clamp member 31, and the other end of the tension elastic member 34 is arranged on the second end of the second clamp member 32.
  • the tension elastic member 34 exerts an elastic force toward the rotating member 12 on the first clamping member 31 and the second clamping member 32, so that the second end of the first clamping member 31 and the second clamping member
  • the second end of the member 32 is attached to the peripheral outer wall of the rotating member 12 .
  • one end of the tension elastic member 34 is arranged on the second end of the first clamping member 31, and the other end of the tension elastic member 34 is arranged on the second end of the second clamping member 32, that is, the tension elastic The part 34 is closer to the second end of the first clamping part 31 than the first end, and the tension elastic part 34 is closer to the second end of the second clamping part 32 than the first end.
  • the elastic force exerted by the tensioning elastic member 34 on the second end of the first clamping member 31 and the second end of the second clamping member 32 is smaller than that of the rotating member 12 on the second end of the first clamping member 31 and the thrust exerted by the second end of the second clamping part 32 , so that the first clamping part 31 and the second clamping part 32 can be driven by the smooth section 122 of the rotating part 12 to move.
  • the tensioning elastic member 34 is a spring.
  • a printing consumables conveyor including the above-mentioned cutting device; the printing consumables conveyor also includes a discharge channel, the cutting device is arranged on the discharge channel, and the discharge channel is also provided
  • the channel roller 6, the side of the channel roller 6 away from the discharge channel is provided with a cutting switch 7, the cutting switch 7 is electrically connected to the controller; when the consumable 8 passes through the channel roller 6, the consumable 8 pushes the channel roller 6 to trigger cutting
  • the switch 7 sends out a material feeding signal; when the printing consumables conveyor is in the working condition of returning materials, and the consumable end of the consumables 8 passes through the channel roller 6, the channel roller 6 is separated from the cutting switch 7, and the triggering cutting switch 7 is converted from the material feeding signal to The material cut signal enables the controller to control the cutting device to cut the consumables 8 .
  • the cutting device By setting the channel roller 6 and the cutting switch 7, the cutting device sends a material delivery signal based on the cutting switch 7, so as to ensure that the cutting device does not cut the consumables 8 when the printing consumables conveyor is discharging normally.
  • the cutting switch 7 When the cutting switch 7 is converted from a material-passing signal to a material-breaking signal, the cutting device cuts the consumables 8, thereby ensuring the stability of normal discharge and the accuracy of cutting materials.
  • the channel roller 6 is located above the consumable 8, and the cutting switch 7 is located above the channel roller 6.
  • the consumable 8 passes through the channel roller 6 and pushes the channel roller 6 upward, thereby making The channel roller 6 touches and squeezes the cutting switch 7, and then the cutting switch 7 sends a feed signal, so that the cutting switch 7 controls the cutting equipment not to act, so as to ensure normal discharge.
  • the cutting switch 7 When the printing consumables conveyor is in the working condition of returning materials, and the consumable end of the consumables 8 passes through the channel roller 6, the consumables 8 no longer exert a thrust on the channel rollers 6, and the rollers no longer exert pressure on the cutting switch 7, and the rollers can move on their own Under the action of gravity and the rebound force of the cutting switch 7, the cutting switch 7 is separated, and then the cutting switch 7 is triggered to be converted from a feeding signal to a cutting signal. The cutting switch 7 controls the cutting device to act immediately to cut the consumption end of the consumables 8.
  • Another aspect of this embodiment provides a 3D printer, including the above-mentioned cutting device or the above-mentioned printing consumable conveyor.
  • FIG. 1 is an exploded view of a cutting device according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of the first clamping member 31 of the cutting device according to the embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of the rotating member 12 and the cutting member 2 before cutting the consumables 8 according to the embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a cutting device before cutting the consumables 8 according to the embodiment of the present application.
  • FIG. 5 is a cross-sectional view of the cutting device when the consumables 8 pass through the channel rollers 6 according to the embodiment of the present application.
  • FIG. 6 is a cross-sectional view of the printing consumables conveyor according to the embodiment of the present application.
  • this embodiment provides a cutting device, which is applied to a printing consumables conveyor, and the printing consumables conveyor is used to replace consumables 8 used by a 3D printer;
  • the cutting device includes a controller, a drive unit 1 and The cutting part 2, the controller is electrically connected with the driving unit 1 to send a control command to the driving unit 1, and the driving unit 1 is connected to the cutting part 2 to drive the cutting part 2 to move based on the control command to cut consumables 8.
  • the drive unit 1 is specifically used to drive the cutting part 2 to cut the end of the consumable 8 when the consumable 8 used by the 3D printer is replaced, and the consumable 8 is retracted for a preset time or to a preset position;
  • the cutting device also includes a clamping Unit 3, when cutting the consumable 8, the driving unit 1 is used to drive the clamping unit 3 to clamp the consumable 8, and drive the cutting part 2 to cut the consumable 8. After the consumable 8 is cut, the driving unit 1 is used to drive the clamping unit 3 to loosen the consumable. Open the consumables 8, and drive the cutting part 2 away from the consumables 8.
  • the driving unit 1 includes a driving member 11 and a rotating member 12, the driving member 11 is connected with the rotating member 12, and is used to drive the rotating member 12 to rotate, and the cutting member 2 is connected with the rotating member 12, so that the cutting member 2 is connected with the rotating member. 12 rotates, and the blade end of the cutting member 2 protrudes from the rotating member 12 along the radial direction of the rotating member 12 .
  • the rotating part 12 includes a concave section 121 and a smooth section 122, the concave section 121 and the smooth section 122 are arranged along the circumferential direction of the rotating part 12, the concave section 121 is recessed inward along the radial direction of the rotating part 12, and the stable section 122 is rotated along the radial direction of the rotating part 12.
  • the clamping unit 3 includes a first clamping piece 31 and a second clamping piece 32, the first clamping piece 31 is opposite to the second clamping piece 32, and the first clamping piece 31
  • the first end of the second clamping member 32 is provided with a first groove
  • the first end of the second clamping member 32 is provided with a second groove
  • the first groove is used to engage with the second groove to form a clamping space 33
  • the second end of the clamping part 31 is slidably arranged on the outer peripheral wall of the rotating part 12, and the second end of the second clamping part 32 is slidably arranged on the outer peripheral wall of the rotating part 12.
  • the driving part 11 drives the rotating part 12 to rotate, and
  • the second end of the first clamping part 31 and the second end of the second clamping part 32 move toward or away from each other through the concave section 121 and the smooth section 122 to clamp or loosen the consumables 8 .
  • the cutting device further includes a mounting frame 4 , the first clamping part 31 is rotatably connected to the mounting frame 4 , and the second clamping part 32 is rotatably connected to the mounting frame 4 ; the cutting part 2 is set corresponding to the recessed section 121 .
  • the clamping unit 3 also includes a tension elastic member 34, one end of the tension elastic member 34 is arranged on the second end of the first clamping member 31, and the other end of the tension elastic member 34 is arranged on the second clamping member On the second end of 32, the tension elastic member 34 exerts an elastic force toward the rotating member 12 on the first clamping member 31 and the second clamping member 32, so that the second end of the first clamping member 31 and the second The second end of the clamping member 32 is attached to the peripheral outer wall of the rotating member 12 .
  • the cutting equipment also includes a mounting frame 4, on which a raised first rotating shaft and a second rotating shaft are arranged; the first clamping part 31 is rotatably connected with the mounting frame 4 through the first rotating shaft, and the second clamping part 32
  • the second rotating shaft is rotatably connected with the mounting frame 4; the first rotating shaft is located between the first end and the second end of the first clamping member 31; the second rotating shaft is located between the first end and the second end of the second clamping member 32 between the ends.
  • the number of the concave segments 121 is an even number
  • the number of the stable segments 122 is an even number
  • the concave segments 121 and the stable segments 122 are arranged at intervals along the circumferential direction of the rotary member 12, and the concave segments 121 are arranged one by one along the radial direction of the rotary member 12.
  • the stable segments 122 are disposed opposite to each other along the radial direction of the rotating member 12 .
  • the printing consumables conveyor includes a casing
  • the cutting device is arranged in the casing
  • the casing includes a collection tank 5
  • the notch of the collection groove 5 is arranged opposite to the clamping unit 3 .
  • Another aspect of this embodiment provides a conveyor for printing consumables, including the above-mentioned cutting device; the conveyor for printing consumables also includes a discharge channel, the cutting device is arranged on the discharge channel, and the discharge channel is also provided with The channel roller 6, the side of the channel roller 6 away from the discharge channel is provided with a cutting switch 7, the cutting switch 7 is electrically connected to the controller; when the consumable 8 passes through the channel roller 6, the consumable 8 pushes the channel roller 6 to trigger cutting The switch 7 sends out a material feeding signal; when the printing consumables conveyor is in the condition of returning materials, and the consumable end of the consumables 8 passes through the channel roller 6, the channel roller 6 is separated from the cutting switch 7, and the triggering cutting switch is converted from the feeding signal to the off Material signal, so that the controller controls the cutting device to cut the consumables 8.
  • Another aspect of this embodiment provides a 3D printer, including the above-mentioned cutting device or the above-mentioned printing consumable conveyor.
  • a cutting device, a printing consumables conveyor and a 3D printer provided in the embodiments of the present invention, wherein the cutting device can automatically cut the consumables 8 and discharge the cut consumable end, avoiding the problem of the consumable end of the consumables 8
  • the problem of blockage and material jam caused by the rules appears, and at the same time, the steps of manual cutting of the consumption end are saved, the manual workload is reduced, and the jamming and material jam caused by manual negligence are prevented.

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Abstract

本申请提供了一种裁剪设备、打印耗材输送机和3D打印机，其中，应用于打印耗材输送机，所述打印耗材输送机用于更换3D打印机使用的耗材；所述裁剪设备包括控制器、驱动单元和裁断件，所述控制器与所述驱动单元电连接以向所述驱动单元发送控制指令，所述驱动单元与所述裁断件连接以基于所述控制指令驱动所述裁断件运动以裁断耗材。本申请提供的一种裁剪设备、打印耗材输送机和3D打印机，其中裁剪设备能够在退料工况时裁断耗材的消耗端，避免堵塞耗材通道，提高生产效率。

Description

裁剪设备、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，具体涉及一种裁剪设备、打印耗材输送机和3D打印机。
背景技术
3D打印机又称三维打印机(3D Printer，3DP)，是一种基于快速成形技术的机器，它以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，通过打印一层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，当打印过程中进行退料操作时，耗材的消耗端由于热熔变为不规则形状，在回退过程中，不规则形状的消耗端经过耗材通道时易造成堵塞、卡料现象，导致生产中断，严重影响生产效率。
发明内容
因此，本申请要解决的技术问题在于提供一种裁剪设备、打印耗材输送机和3D打印机，其中裁剪设备能够在退料工况时裁断耗材的消耗端，避免堵塞耗材通道，提高生产效率。
为了解决上述问题，本申请提供了一种裁剪设备，应用于打印耗材输送机，所述打印耗材输送机用于更换3D打印机使用的耗材；所述裁剪设备包括控制器、驱动单元和裁断件，所述控制器与所述驱动单元电连接以向所述驱动单元发送控制指令，所述驱动单元与所述裁断件连接以基于所述控制指令驱动所述裁断件运动以裁断耗材。
可选的，所述驱动单元具体用于在更换所述3D打印机使用的耗材，所述耗材回退预设时间或回退到预设位置时，驱动所述裁断件裁断所述耗材的端部；
所述裁剪设备还包括夹持单元，裁剪所述耗材时，所述驱动单元用于驱动所述夹持单元夹持所述耗材，并驱动所述裁断件动作以裁断所述耗材，所述耗材裁断后，所述驱动单元用于驱动所述夹持单元松开所述耗材，并驱动所述裁断件远离所述耗材。
可选的，所述驱动单元包括驱动件和旋转件，所述驱动件与旋转件相连接，用于带动所述旋转件转动，所述裁断件与所述旋转件相连接，以使所述裁断件随所述旋转件转动，所述裁断件的刃端沿所述旋转件的径向突出所述旋转件。
可选的，所述旋转件包括凹陷段和平稳段，所述凹陷段和所述平稳段沿所述旋转件的周向排布，所述凹陷段沿所述旋转件的径向向内凹陷，所述平稳段沿所述旋转件的径向向外突出；所述裁断件位于所述夹持单元的一侧，所述夹持单元包括第一夹持件和第二夹持件，所述第一夹持件与所述第二夹持件相对设置，所述第一夹持件的第一端设置有第一凹槽，所述第二夹持件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；所述第一夹持件的第二端滑动设置在所述旋转件的外周壁上，所述第二夹持件的第二端滑动设置在所述旋转件的外周壁上，所述驱动件带动所述旋转件转动，用于通过所述凹陷段和所述平稳段带动所述第一夹持件的第二端与所述第二夹持件的第二端相向或相离移动，以夹紧或松开所述耗材。
可选的，所述裁剪设备还包括安装架，所述第一夹持件与所述安装架可转动连接，所述第二夹持件与所述安装架可转动连接；所述裁断件对应所述凹陷段设置。
可选的，所述夹持单元还包括拉紧弹性件，所述拉紧弹性件的一端设置在所述第一夹持件的第二端上，所述拉紧弹性件的另一端设置在所述第二夹持件的第二端上，所述拉紧弹性件对所述第一夹持件和所述第二夹持件施加朝向所述旋转件的弹性力，以使所述第一夹持件的第二端和所述第二夹持件的第二端贴于所述旋转件的周向外壁。
可选的，所述裁剪设备还包括安装架，所述安装架上设置凸起的第一转轴和第二转轴；所述第一夹持件通过所述第一转轴与所述安装架可转动连接，所述第二夹持件通过所述第二转轴与所述安装架可转动连接；所述第一转轴位于所述第一夹持件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的第一端和第二端之间。
可选的，所述凹陷段的数量为偶数个，所述平稳段的数量为偶数个，所述凹陷段和所述平稳段沿所述旋转件的周向间隔排布，所述凹陷段沿所述旋转件的径向一一相对设置，所述平稳段沿所述旋转件的径向一一相对设置；所述打印耗材输送机包括壳体，所述裁剪设备设置在所述壳体内，所述壳体包括收集槽，所述收集槽的槽口与所述夹持单元相对设置。
本申请的另一方面，提供了一种打印耗材输送机，所述打印耗材输送机包括上述的裁剪设备；所述打印耗材输送机还包括出料通道，所述裁剪设备设置在所述出料通道上，所述出料通道上还设置有通道滚轮，所述通道滚轮远离所述出料通道的一侧设置有裁断开关，所述裁断开关与所述控制器电性连接；当所述耗材穿过所述通道滚轮处时，所述耗材推动所述通道滚轮，触发所述裁断开关发出通料信号；当所述打印耗材输送机处于退料工况，且所述耗材的消耗端穿过所述通道滚轮处后，所述通道滚轮脱离所述裁断开关，触发所述裁断开关由通料信号转换为断料信号，以使控制器控制所述裁剪设备裁断所述耗材。
本申请的另一方面，提供了一种3D打印机，包括如上述的裁剪设备或如上述的打印耗材输送机。
本实用新型的实施例中所提供的一种裁剪设备、打印耗材输送机和3D打印机，其中，裁剪设备应用于打印耗材输送机，所述打印耗材输送机用于更换3D打印机使用的耗材；所述裁剪设备包括控制器、驱动单元和裁断件，控制器与驱动单元电连接以向驱动单元发送控制指令，驱动单元与所述裁断件连接以基于控制指令驱动裁断件运动以裁断耗材，裁剪设备能够将被更换的耗材的端部裁掉，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为本申请实施例的裁剪设备的爆炸图；
图2为本申请实施例的裁剪设备的第一夹持件的结构示意图；
图3为本申请实施例的耗材裁断前的旋转件和裁断件的结构示意图；
图4为本申请实施例的耗材裁断前的裁剪设备的结构示意图；
图5为本申请实施例的耗材穿过通道滚轮处时的裁剪设备的剖视图；
图6为本申请实施例的打印耗材输送机的剖视图。
附图标记表示为：
1、驱动单元；11、驱动件；12、旋转件；121、凹陷段；122、平稳段；2、裁断件；3、夹持单元；31、第一夹持件；32、第二夹持件；33、夹持空间；34、拉紧弹性件；4、安装架；5、收集槽；6、通道滚轮；7、裁断开关；8、耗材。
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6所示，根据本申请的实施方式，一种裁剪设备，应用于打印耗材输送机，打印耗材输送机应用于3D打印机，打印耗材输送机用于更换3D打印机使用的耗材8，裁剪设备包括控制器(图未示)、驱动单元1和裁断件2，控制器与驱动单元1电连接以向所述驱动单元1发送控制指令，驱动单元1和裁断件2连接以基于控制指令驱动裁断件2运动以裁断耗材8。
裁剪设备能够将被更换的耗材8的端部裁掉，避免了因耗材8的消耗端不规则引起的堵塞和卡料的问题出现，即使耗材8再次被使用时，耗材8的端部不存在因打印头高温形成的疙瘩状，该耗材8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。
控制器可以为控制芯片等，以在需要时，发出控制指令给驱动单元4，使驱动单元4 驱动裁断件2裁断耗材8。
驱动单元1具体用于在更换3D打印机使用的耗材8，耗材8回退预设时间或回退到预设位置时，驱动裁断件2裁断耗材的端部。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8回退所用的时间，耗材8回退预设时间后，耗材8停止移动，耗材8被裁断。预设时间的具体时间也不做限定，如可以为5s，6s等。
裁剪设备还可以包括夹持单元3，裁剪耗材8时，驱动单元1用于驱动夹持单元3夹持耗材8，并驱动裁断件2动作以裁断耗材8，耗材8裁断后，驱动单元1用于驱动夹持单元3松开耗材8，并驱动裁断件2远离耗材8。其中，裁断件2可以位于夹持单元3的一侧。耗材8能被夹持单元3夹紧，更便于裁断件2对耗材8的裁断。
通过设置驱动单元1和裁断件2能够实现自动裁断耗材8，通过设置夹持单元3，夹持单元3松开耗材8，能够将被裁断后的耗材8消耗端排出，避免因耗材8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1与裁断件2和夹持单元3连接，驱动单元1可以通过其他元件与裁断件2连接，驱动单元1可以通过其他元件与夹持单元3连接。驱动单元1也可以包括多个子驱动单元，一个子驱动单元与裁断件2连接，一个子驱动单元与夹持单元3连接。
可以理解，驱动单元1驱动夹持单元3夹持耗材8，并驱动裁断件2动作以裁断耗材8时，可以先驱动夹持单元3夹持耗材8，再驱动裁断件2动作以裁断耗材8，或同时驱动夹持单元3夹持耗材8、并驱动裁断件2动作以裁断耗材8。驱动单元1驱动夹持单元3松开耗材8，并驱动裁断件2远离耗材8时，可以先驱动夹持单元3松开耗材8，再驱动裁断件2远离耗材8，或先驱动裁断件2远离耗材8，再驱动夹持单元3松开耗材8，或同时驱动夹持单元3松开耗材8并驱动裁断件2远离耗材8。
驱动单元1可为一个或两个，当驱动单元1为一个时，驱动单元1能够同时带动裁断件2和夹持单元3运动，当驱动单元1为两个时，其中一个驱动单元1与裁断件2相连接，用于带动裁断件2运动，另一个驱动单元1与夹持单元3相连接，用于带动夹持单元3运动。对于驱动单元1的数量，本申请不做限定，能够带动裁断件2和夹持单元3运动，且使裁断件2和夹持单元3协同配合即可。
具体地，本实施方式中，以驱动单元1的数量为一个进行说明，驱动单元1同时与裁断件2和夹持单元3相连接，用于带动裁断件2和夹持单元3同步运动。
可选地，裁断件2位于夹持单元3的一侧，即为裁断件2与夹持单元3相邻设置，可以有间隙的设置，便于裁断耗材8，同时也能使被裁断的消耗端长度较短，避免耗材8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8在打印耗材输送机内的移动方向为第一方向，裁断件2位于夹持单元3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，裁断件2的类型不作限定，如裁断件2可以为剪刀的类型，裁断件2也可以为裁刀。
其中，夹持单元3可以在裁断耗材8后，将消耗端排出至耗材8的移动路径以外，避免阻挡后续耗材8的排出。
驱动单元1包括驱动件11和旋转件12，驱动件11与旋转件12相连接，用于带动旋转件12转动，裁断件2与旋转件12相连接，以使裁断件2随旋转件12转动，裁断件2的刃端沿旋转件12的径向突出旋转件12。通过设置旋转件12，为裁断件2提供了安装位置，并提供了运行路径，使裁断件2的刃端沿旋转件12的径向突出旋转件12，能够保证裁断件2有效裁断耗材8，驱动件11能够稳定地带动旋转件12转动，为裁断耗材8提供动力。
其中，耗材8位于旋转件12径向外侧，裁断件2伸出旋转件12的长度设置为能够完整地裁断耗材8。其中，驱动件11可以为电机，旋转件12连接在电机的电机轴上，且旋转件12与电机轴同轴设置，以通过电机轴的转动带动旋转件12以自身中轴线为中心自转。驱动件11也可以为舵机等。
可选地，作为一种实施方式，裁断件2可固定直接连接在旋转件12上，以使旋转件12带动裁断件2转动。作为另一种实施方式，驱动单元1还包括连接盘，裁断件2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12同轴设置，连接盘可以与旋转件12连接，裁断件2的一部分位于连接盘与旋转件12之间，能够保证旋转件12带动裁断件2转动的同时，也能够加强裁断件2的连接稳定性。具体地，连接盘与旋转件12通过螺钉固定连接。裁断件2沿径向伸出至连接盘和旋转件12外。
打印耗材输送机包括壳体，裁剪设备设置在壳体内，壳体包括收集槽5，收集槽5的槽口与夹持单元3相对设置。通过设置收集槽5，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设备运行。
其中，收集槽5位于夹持单元3的正下方，从夹持空间33掉落的被裁断的消耗端依靠自身重力落入收集槽5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5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5内的耗材8。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。
旋转件12包括凹陷段121和平稳段122，凹陷段121和平稳段122沿旋转件12的周向排布，凹陷段121沿旋转件12的径向向内凹陷，平稳段122沿旋转件12的径向向外突出；夹持单元3包括第一夹持件31和第二夹持件32，第一夹持件31与第二夹持件32相对设置，第一夹持件31的第一端设置有第一凹槽，第二夹持件32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33；第一夹持件31的第二端滑动设置在旋转件12的外周壁上，第二夹持件32的第二端滑动设置在旋转件12的外周壁上，驱动件11带动旋转件12转动，用于通过凹陷段121和平稳段122带动第一夹持件31的第二端与第二夹持件32的第二端相向或相离移动，以夹紧或松开耗材8。相向移动，即相互靠近，相离移动，即相互远离。通过在旋转件12上设置凹陷段121和平稳段122，并通过凹陷段121和平稳段122带动第一夹持件31和第二夹持件32运动，进而实现夹紧或松开耗材8，结构简单稳定，可靠性高。
其中，第一夹持件31的中部铰接在安装载体上，且铰接点位于第一夹持件31的第一端与第二端之间。第二夹持件32的中部铰接在安装载体上，且铰接点位于第二夹持件32的第一端与第二端之间。旋转件12转动，第一夹持件31的第二端和第二夹持件32的第二端从凹陷段121滑动至平稳段122的过程中，第一夹持件31的第二端与第二夹持件32的第二端之间的距离逐渐增大，因为第一夹持件31的中部铰接在安装载体上且第二夹持件32的中部铰接在安装载体上，所以第一夹持件31的第一端与第二夹持件32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8。旋转件12转动，第一夹持件31的第二端和第二夹持件32的第二端从平稳段122滑动至凹陷段121的过程中，第一夹持件31的第二端与第二夹持件32的第二端之间的距离逐渐减小，因为第一夹持件31的中部铰接在安装载体上且第二夹持件32的中部铰接在安装载体上，所以第一夹持件31的第一端与第二夹持件32的第一端相分离，且之间的距离逐渐增大，进而松开耗材8。
可选地，第一夹持件31与第二夹持件32的寸相同，第一夹持件31与第二夹持件32镜像设置。
可选地，第一夹持件31和第二夹持件32为L形，第一夹持件31的第一端与第二夹持件32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33。
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33。夹持空间33的横截面积可以等于或稍大于耗材8的横截面积，保证能夹紧耗材8。在耗材8前进或回退时，第一夹持件31和第二夹持件32不会夹紧耗材8。
可选地，第一夹持件31的第二端和第二夹持件32的第二端与旋转件12的外周壁保持抵触，充分与外周壁相接，并在旋转件12转动时，能在旋转件12的外周壁上滑动。
裁剪设备还包括安装架4，第一夹持件31与安装架4可转动连接，第二夹持件32与安装架4可转动连接；裁断件2对应凹陷段121设置。通过设置安装架4，为第一夹持件31和第二夹持件32提供了稳定的安装位置，并保证第一夹持件31和第二夹持件32能够稳定地转动。通过将裁断件2对应凹陷段121设置，能够使裁断件2与第一夹持件31和第二夹持件32形成联动，当裁断件2对耗材8进行裁断时，第一夹持件31和第二夹持件32夹紧耗材8，以对耗材8提供支撑力，避免耗材8随裁断件2移动，导致无法有效地裁断耗材8。在裁断后，第一夹持件31和第二夹持件32松开耗材8，进而将被裁断的消耗端排出至耗材8的移动路径外，避免阻塞耗材8后续的排出。
其中，裁断件2对应凹陷段121设置，即为裁断件2与凹陷段121在旋转件12的轴向方向上相对设置。
其中，安装架4即为上述的安装载体，安装架4可固定连接在壳体的内壁上。安装架4可以为单体式的装置，或者安装架包括多个子安装架，以使安装架4上连接第一夹持件31和第二夹持件32。
安装架4上可以设置凸起的第一转轴和第二转轴；第一夹持件31通过第一转轴与安装架4可转动连接，第二夹持件32通过第二转轴与安装架4可转动连接；第一转轴位于第一 夹持件31的第一端和第二端之间；第二转轴位于第二夹持件32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31和第二夹持件32稳定地旋转连接在安装架4上，同时实现了第一夹持件31的第一端与第二夹持件32的第一端相离移动时，第一夹持件31的第二端与第二夹持件32的第二端相向移动，第一夹持件31的第一端与第二夹持件32的第一端相向移动时，第一夹持件31的第二端与第二夹持件32的第二端相离移动。
其中，第一夹持件31和第二夹持件32为L形，第一转轴可以设置在第一夹持件31的拐点处，第二转轴可以设置在第二夹持件32的拐点处。
可选地，凹陷段121的数量为偶数个，平稳段122的数量为偶数个，凹陷段121和平稳段122沿旋转件12的周向间隔排布，凹陷段121沿旋转件12的径向一一相对设置，平稳段122沿旋转件12的径向一一相对设置，能够确保第一夹持件31和第二夹持件32同时滑动到不同的平稳段122上或凹陷段121上，进而保证第一夹持件31和第二夹持件32同时移动，以夹紧或松开耗材8。驱动件11带动旋转件12和裁断件2同步转动，且裁断件2对应凹陷段121设置，进而确保裁断耗材8后松开耗材8，裁断耗材8前夹紧耗材8，保证了联动的稳定性。
可选地，本实施方式中，平稳段122的数量为两个，凹陷段121的数量为两个，两个平稳段122占旋转件12外圆的一半，两个凹陷段121占旋转件12外圆的一半。也即，每个平稳段122的弧度为π/2，每个凹陷段121的弧度为π/2。
夹持单元3还包括拉紧弹性件34，拉紧弹性件34的一端设置在第一夹持件31的第二端上，拉紧弹性件34的另一端设置在第二夹持件32的第二端上，拉紧弹性件34对第一夹持件31和第二夹持件32施加朝向旋转件12的弹性力，以使第一夹持件31的第二端和第二夹持件32的第二端贴于旋转件12的周向外壁。通过设置拉紧弹性件34，使保证第一夹持件31的第二端和第二夹持件32的第二端能够稳固地抵触在旋转件12的周向外壁上。
可以理解，拉紧弹性件34的一端设置在第一夹持件31的第二端上，拉紧弹性件34的另一端设置在第二夹持件32的第二端上，即拉紧弹性件34距离第一夹持件31的第二端比第一端更近，拉紧弹性件34距离第二夹持件32的第二端比第一端更近。
可选地，拉紧弹性件34对第一夹持件31的第二端和第二夹持件32的第二端施加的弹性力小于旋转件12对第一夹持件31的第二端和第二夹持件32的第二端施加的推力，以使通过旋转件12的平稳段122能够带动第一夹持件31和第二夹持件32运动。
可选地，拉紧弹性件34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，包括如上述的裁剪设备；打印耗材输送机还包括出料通道，裁剪设备设置在出料通道上，出料通道上还设置有通道滚轮6，通道滚轮6远离出料通道的一侧设置有裁断开关7，裁断开关7与控制器电性连接；当耗材8穿过通道滚轮6处时，耗材8推动通道滚轮6，触发裁断开关7发出通料信号；当打印耗材输送机处于退料工况，且耗材8的消耗端穿过通道滚轮6处后，通道滚轮6脱离裁断开关7，触发裁断开关7由通料信号转换为断料信号，以使控制器控制裁剪设备裁断耗材8。通过设置通道滚轮6和裁断开关7，使裁剪设备基于裁断开关7的发出通料信号，保证在打印耗材输送机正常出料时裁剪设备不对耗材8进行裁断。在裁断开关7由通料信 号转换为断料信号时，裁剪设备对耗材8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，通道滚轮6位于耗材8的上方，裁断开关7位于通道滚轮6的上方，当打印耗材8输送正常出料时，耗材8穿过通道滚轮6处，向上推动通道滚轮6，进而使通道滚轮6触碰挤压裁断开关7，进而使裁断开关7发出通料信号，以使裁断开关7控制裁剪设备不动作，保证正常出料。当打印耗材输送机处于退料工况，且耗材8的消耗端穿过通道滚轮6处后，耗材8不再对通道滚轮6施加推力，滚轮不再对裁断开关7施加压力，滚轮可在自身重力和裁断开关7的回弹力的作用下脱离裁断开关7，进而触发裁断开关7由通料信号转换为断料信号，裁断开关7控制裁剪设备立即动作，以裁断耗材8的消耗端。
本实施方式的另一方面，提供了一种3D打印机，包括如上述的裁剪设备或如上述的打印耗材输送机。
实施例
图1为本申请实施例的裁剪设备的爆炸图。图2为本申请实施例的裁剪设备的第一夹持件31的结构示意图。图3为本申请实施例的耗材8裁断前的旋转件12和裁断件2的结构示意图。图4为本申请实施例的耗材8裁断前的裁剪设备的结构示意图。图5为本申请实施例的耗材8穿过通道滚轮6处时的裁剪设备的剖视图。图6为本申请实施例的打印耗材输送机的剖视图。
如图1至图6所示，本实施例提供了一种裁剪设备，应用于打印耗材输送机，打印耗材输送机用于更换3D打印机使用的耗材8；裁剪设备包括控制器、驱动单元1和裁断件2，控制器与所述驱动单元1电连接以向所述驱动单元1发送控制指令，驱动单元1与裁断件2连接以基于控制指令驱动裁断件2运动以裁断耗材8。
其中，驱动单元1具体用于在更换3D打印机使用的耗材8，耗材8回退预设时间或回退到预设位置时，驱动裁断件2裁断耗材8的端部；裁剪设备还包括夹持单元3，裁剪耗材8时，驱动单元1用于驱动夹持单元3夹持耗材8，并驱动裁断件2动作以裁断耗材8，耗材8裁断后，驱动单元1用于驱动夹持单元3松开耗材8，并驱动裁断件2远离耗材8。
其中，驱动单元1包括驱动件11和旋转件12，驱动件11与旋转件12相连接，用于带动旋转件12转动，裁断件2与旋转件12相连接，以使裁断件2随旋转件12转动，裁断件2的刃端沿旋转件12的径向突出旋转件12。其中，旋转件12包括凹陷段121和平稳段122，凹陷段121和平稳段122沿旋转件12的周向排布，凹陷段121沿旋转件12的径向向内凹陷，平稳段122沿旋转件12的径向向外突出；夹持单元3包括第一夹持件31和第二夹持件32，第一夹持件31与第二夹持件32相对设置，第一夹持件31的第一端设置有第一凹槽，第二夹持件32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33；第一夹持件31的第二端滑动设置在旋转件12的外周壁上，第二夹持件32的第二端滑动设置在旋转件12的外周壁上，驱动件11带动旋转件12转动，用于通过凹陷段121和平稳段122带动第一夹持件31的第二端与第二夹持件32的第二端相向或相离移动，以夹紧或松开耗材8。其中，裁剪设备还包括安装架4，第一夹持件31与安装架4可转动连接，第二夹持件32与安装架4可转动连接；裁断件2对应凹陷段121设置。其中，夹持 单元3还包括拉紧弹性件34，拉紧弹性件34的一端设置在第一夹持件31的第二端上，拉紧弹性件34的另一端设置在第二夹持件32的第二端上，拉紧弹性件34对第一夹持件31和第二夹持件32施加朝向旋转件12的弹性力，以使第一夹持件31的第二端和第二夹持件32的第二端贴于旋转件12的周向外壁。
其中，裁剪设备还包括安装架4，安装架4上设置凸起的第一转轴和第二转轴；第一夹持件31通过第一转轴与安装架4可转动连接，第二夹持件32通过第二转轴与安装架4可转动连接；第一转轴位于第一夹持件31的第一端和第二端之间；第二转轴位于第二夹持件32的第一端和第二端之间。其中，凹陷段121的数量为偶数个，平稳段122的数量为偶数个，凹陷段121和平稳段122沿旋转件12的周向间隔排布，凹陷段121沿旋转件12的径向一一相对设置，平稳段122沿旋转件12的径向一一相对设置。其中，打印耗材输送机包括壳体，裁剪设备设置在壳体内，壳体包括收集槽5，收集槽5的槽口与夹持单元3相对设置。
本实施例的另一方面，提供了一种打印耗材输送机，包括如上述的裁剪设备；打印耗材输送机还包括出料通道，裁剪设备设置在出料通道上，出料通道上还设置有通道滚轮6，通道滚轮6远离出料通道的一侧设置有裁断开关7，裁断开关7与控制器电性连接；当耗材8穿过通道滚轮6处时，耗材8推动通道滚轮6，触发裁断开关7发出通料信号；当打印耗材输送机处于退料工况，且耗材8的消耗端穿过通道滚轮6处后，通道滚轮6脱离裁断开关7，触发裁断开关由通料信号转换为断料信号，以使控制器控制裁剪设备裁断耗材8。
本实施例的另一方面，提供了一种3D打印机，包括如上述的裁剪设备或如上述的打印耗材输送机。
本实用新型的实施例中所提供的一种裁剪设备、打印耗材输送机和3D打印机，其中，裁剪设备能够实现自动裁断耗材8并排出被裁断的消耗端，避免了因耗材8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。
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. 一种裁剪设备，其特征在于，应用于打印耗材输送机，所述打印耗材输送机用于更换3D打印机使用的耗材(8)；所述裁剪设备包括控制器、驱动单元(1)和裁断件(2)，所述控制器与所述驱动单元(1)电连接以向所述驱动单元(1)发送控制指令，所述驱动单元(1)与所述裁断件(2)连接以基于所述控制指令驱动所述裁断件(2)运动以裁断耗材(8)。
  2. 根据权利要求1所述的裁剪设备，其特征在于，所述驱动单元(1)具体用于在更换所述3D打印机使用的耗材(8)，所述耗材(8)回退预设时间或回退到预设位置时，驱动所述裁断件(2)裁断所述耗材(8)的端部；
    所述裁剪设备还包括夹持单元(3)，裁剪所述耗材(8)时，所述驱动单元(1)用于驱动所述夹持单元(3)夹持所述耗材(8)，并驱动所述裁断件(2)动作以裁断所述耗材(8)，所述耗材(8)裁断后，所述驱动单元(1)用于驱动所述夹持单元(3)松开所述耗材(8)，并驱动所述裁断件(2)远离所述耗材(8)。
  3. 根据权利要求2所述的裁剪设备，其特征在于，所述驱动单元(1)包括驱动件(11)和旋转件(12)，所述驱动件(11)与旋转件(12)相连接，用于带动所述旋转件(12)转动，所述裁断件(2)与所述旋转件(12)相连接，以使所述裁断件(2)随所述旋转件(12)转动，所述裁断件(2)的刃端沿所述旋转件(12)的径向突出所述旋转件(12)。
  4. 根据权利要求3所述的裁剪设备，其特征在于，所述旋转件(12)包括凹陷段(121)和平稳段(122)，所述凹陷段(121)和所述平稳段(122)沿所述旋转件(12)的周向排布，所述凹陷段(121)沿所述旋转件(12)的径向向内凹陷，所述平稳段(122)沿所述旋转件(12)的径向向外突出；
    所述裁断件(2)位于所述夹持单元(3)的一侧，所述夹持单元(3)包括第一夹持件(31)和第二夹持件(32)，所述第一夹持件(31)与所述第二夹持件(32)相对设置，所述第一夹持件(31)的第一端设置有第一凹槽，所述第二夹持件(32)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(33)；
    所述第一夹持件(31)的第二端滑动设置在所述旋转件(12)的外周壁上，所述第二夹持件(32)的第二端滑动设置在所述旋转件(12)的外周壁上，所述驱动件(11)带动所述旋转件(12)转动，用于通过所述凹陷段(121)和所述平稳段(122)带动所述第一夹持件(31)的第二端与所述第二夹持件(32)的第二端相向或相离移动，以夹紧或松开所述耗材(8)。
  5. 根据权利要求4所述的裁剪设备，其特征在于，所述裁剪设备还包括安装架(4)，所述第一夹持件(31)与所述安装架(4)可转动连接，所述第二夹持件(32)与所述安装架(4)可转动连接；
    所述裁断件(2)对应所述凹陷段(121)设置。
  6. 根据权利要求4所述的裁剪设备，其特征在于，所述夹持单元(3)还包括拉紧弹性件(34)，所述拉紧弹性件(34)的一端设置在所述第一夹持件(31)的第二端上，所述拉紧弹性件(34)的另一端设置在所述第二夹持件(32)的第二端上，所述拉紧弹性件(34)对所述第一夹持件(31)和所述第二夹持件(32)施加朝向所述旋转件(12)的弹性力，以使所述第一夹 持件(31)的第二端和所述第二夹持件(32)的第二端贴于所述旋转件(12)的周向外壁。
  7. 根据权利要求4所述的裁剪设备，其特征在于，所述裁剪设备还包括安装架(4)，所述安装架(4)上设置凸起的第一转轴和第二转轴；所述第一夹持件(31)通过所述第一转轴与所述安装架(4)可转动连接，所述第二夹持件(32)通过所述第二转轴与所述安装架(4)可转动连接；
    所述第一转轴位于所述第一夹持件(31)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(32)的第一端和第二端之间。
  8. 根据权利要求4所述的裁剪设备，其特征在于，所述凹陷段(121)的数量为偶数个，所述平稳段(122)的数量为偶数个，所述凹陷段(121)和所述平稳段(122)沿所述旋转件(12)的周向间隔排布，所述凹陷段(121)沿所述旋转件(12)的径向一一相对设置，所述平稳段(122)沿所述旋转件(12)的径向一一相对设置；
    所述打印耗材输送机包括壳体，所述裁剪设备设置在所述壳体内，所述壳体包括收集槽(5)，所述收集槽(5)的槽口与所述夹持单元(3)相对设置。
  9. 一种打印耗材输送机，其特征在于，所述打印耗材输送机包括如权利要求1-8任意一项所述的裁剪设备；
    所述打印耗材输送机还包括出料通道，所述裁剪设备设置在所述出料通道上，所述出料通道上还设置有通道滚轮(6)，所述通道滚轮(6)远离所述出料通道的一侧设置有裁断开关(7)，所述裁断开关(7)与所述控制器电性连接；
    当所述耗材(8)穿过所述通道滚轮(6)处时，所述耗材(8)推动所述通道滚轮(6)，触发所述裁断开关(7)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(8)的消耗端穿过所述通道滚轮(6)处后，所述通道滚轮(6)脱离所述裁断开关(7)，触发所述裁断开关由通料信号转换为断料信号，以使控制器控制所述裁剪设备裁断所述耗材(8)。
  10. 一种3D打印机，其特征在于，包括如权利要求1-8任意一项所述的裁剪设备或如权利要求9所述的打印耗材输送机。
PCT/CN2022/143862 2021-12-30 2022-12-30 裁剪设备、打印耗材输送机和3d打印机 WO2023125922A1 (zh)

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