CN110228190B - Consumable loading and unloading device, detection method and 3D printer - Google Patents
Consumable loading and unloading device, detection method and 3D printer Download PDFInfo
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- CN110228190B CN110228190B CN201910367872.4A CN201910367872A CN110228190B CN 110228190 B CN110228190 B CN 110228190B CN 201910367872 A CN201910367872 A CN 201910367872A CN 110228190 B CN110228190 B CN 110228190B
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- driving mechanism
- consumable
- microswitch
- control module
- operation control
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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]
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- 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
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- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Abstract
The invention provides a consumable material loading and unloading device, comprising: the device comprises a feeding wheel, a driven wheel, a driving mechanism, a limit switch, a current detection module and an operation control module; the feeding wheel can rotate relatively to convey the consumable; the driven wheel is opposite to the feeding wheel; the driving mechanism is in transmission connection with the feeding wheel; the limit switch comprises a first microswitch and a second microswitch, the first microswitch and the second microswitch are both provided with an action reed which is obliquely arranged, the action reed of the first microswitch is triggered before the consumable contacts the feeding wheel, and the action reed of the second microswitch is triggered after the consumable is successfully loaded; the current detection module is electrically connected with the driving mechanism; the operation control module is electrically connected with the driving mechanism, the first microswitch, the second microswitch and the current detection module. The consumable material loading and unloading process is realized, the consumable material is easy to be automatically loaded, and whether the loading is completed or the conditions such as material blocking and the like occur is detected. The application further provides a detection method of the consumable handling device and a 3D printer.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a consumable loading and unloading device, a consumable detecting method and a 3D printer.
Background
The theory of operation of FDM level desktop 3D printer adopts a thermoplasticity consumptive material to melt the consumptive material heating through the extruder that beats printer head, and the extruder shower nozzle is along the contour motion of the part that needs to print, and the consumptive material that will melt simultaneously extrudes, and the consumptive material forms the part after solidifying rapidly. However, with the gradual popularization of 3D printers, problems in links such as the loading and unloading of consumables of the 3D printers are gradually emerging. When the 3D printer works, the problems of material breaking, material blocking and the like easily occur. If not found in time, the printing parts are unsuccessful, the design requirements are not met, consumables are wasted, the service life of the 3D printer is shortened, and loss is brought to a user.
At present, the device for detecting the consumable material breakage is mainly based on an optical detection device, and has the advantages of complex structure, high cost and single function. Meanwhile, when the 3D printer loads the consumables, a user is required to manually load the consumables and observe whether the 3D printer is completely loaded, and then the loading is manually stopped. If not in time stop to load can cause the waste of consumptive material and cause the 3D printer to do useless work, reduce the work efficiency of 3D printer.
Disclosure of Invention
The invention aims to solve the technical problem of providing a consumable loading and unloading device, a consumable detection method and a 3D printer, so that the consumable can be easily and automatically loaded and whether the loading is finished or the situation of material blockage is generated or not can be easily detected in the consumable loading and unloading process.
In order to solve the above technical problem, the present invention provides a consumable handling device, comprising: the feeding wheel can rotate relatively to convey consumables; the driven wheel is arranged opposite to the feeding wheel so as to be matched with the feeding wheel to convey consumables; the driving mechanism is in transmission connection with the feeding wheel; the limiting switch comprises a first microswitch and a second microswitch which are respectively arranged at the front side and the rear side of the conveying path of the feeding wheel, the first microswitch and the second microswitch are respectively provided with an action reed which is obliquely arranged, consumable materials trigger the action reed of the first microswitch before contacting the feeding wheel, and the action reed of the second microswitch is triggered after the consumable materials are successfully loaded; the current detection module is electrically connected with the driving mechanism so as to detect and feed back the working current of the driving mechanism; and the operation control module is electrically connected with the driving mechanism, the first microswitch, the second microswitch and the current detection module.
Preferably, the device also comprises a bearing block, wherein a feeding hole and a discharging hole are respectively formed in two sides of the bearing block and communicated through a material guide channel; the feeding wheel and the driven wheel are both arranged in the bearing block, and both parts of the feeding wheel and the driven wheel extend into the material guide channel; the first microswitch is close to the feeding hole, the second microswitch is close to the discharging hole, and all parts of the action reeds stretch into the material guide channel.
Preferably, the feeding wheel is arranged at the upper position of the material guide channel, and the driven wheel is arranged at the lower position of the material guide channel; the feeding wheel and the driven wheel are arranged in a right matching mode, and a transverse gap is formed between the feeding wheel and the driven wheel so as to accommodate consumables in conveying.
Preferably, the first microswitch and the second microswitch are respectively arranged at two sides of the driven wheel, and the action reed is obliquely arranged upwards along the material guide channel and partially exposed in the material guide channel.
Preferably, after being triggered, the action reed of the first microswitch sends a starting signal to the operation control module so as to control the operation of the driving mechanism; and after being triggered, the action reed of the second microswitch sends a loading success signal to the operation control module.
Preferably, after receiving the loading success signal, the operation control module controls start and stop of the driving mechanism to adjust the feeding position of the consumable according to the distance between the consumable and the printing head from the discharge hole.
Preferably, the feeding hole is in a circular truncated cone shape, and one end with a smaller diameter is communicated with and matched with the inlet end of the material guide channel; the discharge hole is columnar, and the aperture of the discharge hole is larger than that of the material guide channel.
Preferably, the driving mechanism is a stepping motor, the stepping motor rotates forward to drive the feeding wheel to load the consumables in the forward direction, and rotates backward to drive the feeding wheel to unload the consumables in the reverse direction.
Preferably, the stepping motor is electrically connected with the current detection module to detect the real-time current of the stepping motor and feed the real-time current back to the operation control module; the operation control module is provided with a current threshold value, and when the real-time current exceeds the current threshold value, the operation control module generates and sends a warning signal.
The application also provides a detection method of the consumable handling device, which comprises the following steps: s1: pushing consumables into the material guide channel through the feeding hole, triggering the first microswitch, sending a starting signal to the operation control module, and controlling the driving mechanism to operate; s2: the driving mechanism operates to drive the feeding wheel to rotate, the driven wheel is matched to convey consumables to trigger the second microswitch, and the second microswitch sends a loading success signal to the operation control module; s3: after receiving the loading success signal, the operation control module controls the starting and stopping of the driving mechanism to adjust the feeding position of the consumable; s4: the current detection module detects the real-time current of the driving mechanism and feeds the real-time current back to the operation control module, and the operation module monitors the working current of the driving mechanism in real time.
The application provides a 3D printer in addition, include loading and unloading consumptive material device and be used for fixing loading and unloading consumptive material device bear the seat, bear the seat with be equipped with the spring screw between the loading and unloading consumptive material device, so that loading and unloading consumptive material device firm in bear in the seat.
By adopting the technical scheme, the invention can obtain the following technical effects:
1. the application discloses loading and unloading consumptive material device is through setting up first micro-gap switch and the second micro-gap switch in both sides around the delivery wheel transport route for the delivery wheel carries the consumptive material in-process, triggers first micro-gap switch and second micro-gap switch respectively in proper order, and then controls actuating mechanism's opening and close through operation control module, realizes that the consumptive material gets into the auto-control loading and unloading behind the delivery wheel and opens and stop. And the current detection module is electrically connected with the driving mechanism and the operation control module, so that the current detection module can detect the real-time current of the driving mechanism and feed the real-time current back to the operation control module to judge whether material breaking, material blocking and the like occur, and the method is simpler, more convenient and more efficient.
2. The feed port through the carrier block setting, discharge opening and guide channel, make the delivery wheel all arrange the carrier block in with from driving wheel and first micro-gap switch and second micro-gap switch, and the delivery wheel with stretch into guide channel from the equal part of driving wheel in, first micro-gap switch all sets up and the part exposes in guide channel along the guide channel slope up with second micro-gap switch's action reed, guaranteed that the consumptive material gets into the back in the guide channel via the feed port, successively trigger first micro-gap switch and second micro-gap switch, stop with opening of control actuating mechanism, thereby realize the auto-control handling consumptive material.
3. Operation control module receives the actuating signal after first micro-gap switch triggers and opens with control actuating mechanism for the pay-off wheel rotates in order to carry the consumptive material along the guide passageway, and after the consumptive material triggered second micro-gap switch, operation module received and loads the success signal, and according to the consumptive material from the discharge opening to the distance of beating between the printer head, control actuating mechanism opens and stops the feed position in order to adjust the consumptive material again, realizes that intelligence carries the consumptive material to beating printer head department, improves conveying efficiency.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic structural diagram of a consumable part loading and unloading device according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 from another perspective;
FIG. 3 is a block diagram of a process for loading and unloading a consumable device according to an embodiment of the present invention;
fig. 4 and 5 are diagrams illustrating a usage status of the consumable part loading and unloading device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
With reference to fig. 1 to 3, the consumable loading and unloading device of the present application includes a feeding wheel 1, a driven wheel 2, a driving mechanism 3, a limit switch 4, a current detection module 5 and an operation control module 6.
The feeding wheel 1 can rotate relatively, and the driven wheel 2 and the feeding wheel 1 are arranged relatively to match the feeding wheel 1 to convey consumables. The driving mechanism 3 is in transmission connection with the feeding wheel 1 to drive the feeding wheel 1 to rotate and convey consumables. The limit switch 4 comprises a first microswitch 41 and a second microswitch 42 which are respectively arranged at the front side and the rear side of a conveying path of the feeding wheel 1, the first microswitch 41 and the second microswitch 42 are respectively provided with an action reed 43 which is obliquely arranged, the action reed 43 of the first microswitch 41 is triggered before the consumable is contacted with the feeding wheel 1, and the action reed 43 of the second microswitch 42 is triggered after the consumable is successfully loaded. The current detection module 5 is electrically connected with the driving mechanism 3 to detect and feed back the working current of the driving mechanism 3. The operation control module 6 is electrically connected to the driving mechanism 3, the first microswitch 41, the second microswitch 42 and the current detection module 5. Through setting up first micro-gap switch 41 and the second micro-gap switch 42 in both sides around the conveying route of feed wheel 1 for feed wheel 1 carries the consumptive material in-process, triggers first micro-gap switch 41 and second micro-gap switch 42 respectively in proper order, and then controls actuating mechanism 3's opening and close through operation control module 6, realizes that the consumptive material gets into the auto-control handling and open and stop behind the feed wheel. And the current detection module 5 is electrically connected with the driving mechanism 3 and the operation control module 6, so that the current detection module 5 can detect the real-time current of the driving mechanism 3 and feed back the real-time current to the operation control module 6 to judge whether the conditions of material breaking, material blocking and the like occur, and the method is simpler, more convenient and more efficient.
The apparatus for handling consumables according to this embodiment further comprises a carrier block 7. The two sides of the bearing block 7 are respectively provided with a feeding hole 71 and a discharging hole 72, and are communicated through a material guiding channel 73. Preferably, the feeding hole 71 is circular truncated cone-shaped, and one end with a smaller diameter is communicated with and matched with the inlet end of the material guiding channel 73. The discharge hole 72 is columnar, and the aperture of the discharge hole 72 is larger than that of the material guide channel 73. Through the feeding hole 71 in the shape of a circular truncated cone and the discharging hole 72 with the diameter larger than that of the material guide channel 73, the consumable materials can conveniently enter the material guide channel 73 through the feeding hole 71 and then are conveyed to the printing head through the discharging hole 72.
The feeding wheel 1 and the driven wheel 2 are both arranged in the bearing block 7, and both parts of the feeding wheel and the driven wheel extend into the material guide channel 73. In this embodiment, the feeding wheel 1 is disposed above the material guiding channel 73, and the driven wheel 2 is disposed below the material guiding channel 73. The lower end portion of the feeding wheel 1 disposed above is extended into the material guiding passage 73, and the upper end portion of the driven wheel 2 disposed below is extended into the material guiding passage 73. The feeding wheel 1 and the driven wheel 2 are arranged just opposite to each other in a matched mode, a transverse gap A is formed between the feeding wheel 1 and the driven wheel 2 to accommodate consumables during conveying, and the consumables are conveyed along the material guide channel 73 through the transverse gap A under the driving of the feeding wheel 1.
Referring to fig. 2, the front and rear sides of the conveying path are divided by a transverse gap a, and a portion located on the left side of the transverse gap a is defined as the front side of the conveying path, and a portion located on the right side of the transverse gap a is defined as the rear side of the conveying path. The limit switch 4 includes a first microswitch 41 and a rear second microswitch 42 respectively provided on the front side of the conveying path of the feed wheel. In this embodiment, the first microswitch 41 is disposed near the feeding hole 71, the second microswitch 42 is disposed near the discharging hole 72, and the action reed 43 partially extends into the material guiding channel 73. The first microswitch 41 and the second microswitch 42 are respectively disposed on two sides (front and rear sides along the conveying path) of the driven wheel 2, and the actuating springs 43 are both disposed obliquely upward along the material guiding channel 73 and partially exposed in the material guiding channel 73. Through the feed port 71, discharge hole 72 and the guide channel 73 that the carrier block 7 set up, make the feeding wheel 1 and all arrange in carrier block 7 from driving wheel 2 and first micro-gap switch 41 and second micro-gap switch 42, and feeding wheel 1 and all part stretch into in the guide channel 73 from driving wheel 2, first micro-gap switch 41 and second micro-gap switch 42's action reed 43 all sets up and partially expose in guide channel 73 along the slope of guide channel 73 up, guaranteed that the consumptive material gets into the interior back of guide channel 73 via feed port 41, successively trigger first micro-gap switch 41 and second micro-gap switch 42, start with control actuating mechanism 3 and stop, thereby realize the auto-control handling consumptive material.
Referring to fig. 3, after the actuation reed 43 of the first microswitch 41 is triggered, it sends a start signal to the operation control module 6 to control the operation of the driving mechanism 3. The action reed 43 of the second microswitch 42 sends a loading success signal to the operation control module 6 after being triggered. After receiving the loading success signal, the operation control module 6 controls the start and stop of the driving mechanism 3 to adjust the feeding position of the consumable according to the distance between the consumable and the printing head from the discharge hole 42.
Further, the driving mechanism 3 is a stepping motor, the stepping motor rotates forward to drive the feeding wheel 1 to load the consumables in the forward direction, and rotates backward to drive the feeding wheel 1 to unload the consumables in the reverse direction. The stepping motor is electrically connected with the current detection module 5 to detect the real-time current of the stepping motor and feed the real-time current back to the operation control module 6. The operation control module 6 is provided with a current threshold, and when the real-time current exceeds the current threshold, the operation control module 6 generates and sends a warning signal to judge whether material breaking, material blocking and the like occur, so that the operation control module is simple, convenient and efficient.
With reference to fig. 1 to 3, the present application further provides a method for detecting the consumable handling device, including the following steps:
s1: the consumable is pushed into the material guide channel 73 through the material inlet hole 71, and the first microswitch 41 is triggered and sends a starting signal to the operation control module 6 to control the operation of the driving mechanism 3.
S2: the driving mechanism 3 operates to drive the feeding wheel 1 to rotate, the driven wheel 2 is matched to convey consumables to trigger the second microswitch 42, and the second microswitch 42 sends a loading success signal to the operation control module 6.
S3: and after receiving the loading success signal, the operation control module 6 controls the start and stop of the driving mechanism 3 to adjust the feeding position of the consumable.
S4: the current detection module 5 detects the real-time current of the driving mechanism 3 and feeds the real-time current back to the operation control module 6, and the operation module 6 monitors the working current of the driving mechanism 3 in real time.
Specifically, in the transportation process of consumptive material, the user pushes the consumptive material into feed port 41 manually, remove along guide channel 73, the butt is to the action reed 43 of the first micro-gap switch 41 that is located the partial slant of delivery path front side and exposes, trigger first micro-gap switch 41 and open in order to send enabling signal to operation control module 6, and then control actuating mechanism 3 and start, make the consumptive material that removes to transverse gap A rotate along guide channel 73 under the cooperation of pay-off wheel 1 and follow driving wheel 2 and carry, realize the automatic loading consumptive material. And triggering the second microswitch 42 to be opened to send a loading success signal to the operation control module 6 until the consumable moves to abut against an action reed of the second microswitch 42 which is obliquely exposed at the part on the rear side of the conveying path. After the operation control module 6 receives the loading success signal, the driving mechanism 3 is controlled to start and stop to adjust the feeding position of the consumable according to the distance between the consumable and the printing head from the discharge hole 42, the conveying distance of the consumable is accurately loaded, and the conveying efficiency is improved. The driving mechanism 3 is electrically connected with the current inspection module 5 to detect the real-time current of the stepping motor and feed the current back to the operation control module 6. The operation control module 6 is provided with a current threshold, and when the real-time current exceeds the current threshold, the operation control module 6 generates and sends a warning signal to judge whether material breaking, material blocking and the like occur.
With reference to fig. 4 and 5, the present application further provides a 3D printer, which includes a consumable assembly and a bearing seat 8 for fixing the consumable assembly. A spring screw 9 is arranged between the bearing seat 8 and the consumable assembly and disassembly device, so that the consumable assembly and disassembly device is firmly fixed in the bearing seat 8.
It is easy to understand that the consumable handling device of the present application is not limited to be applied to 3D printers, and can be applied to other products.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A device for handling consumables, comprising:
the two sides of the bearing block are respectively provided with a feeding hole and a discharging hole which are communicated through a material guide channel;
the feeding wheel is arranged in the bearing block, and part of the feeding wheel extends into the material guide channel;
the driven wheel is arranged opposite to the feeding wheel, and the part of the driven wheel extends into the material guide channel so as to be matched with the feeding wheel to convey the consumables in the material guide channel;
the driving mechanism is arranged on the bearing block and is in transmission connection with the feeding wheel;
the limit switch is arranged in the bearing block and comprises a first micro switch arranged close to the feeding hole and a second micro switch arranged close to the discharging hole, the first micro switch and the second micro switch are respectively provided with an obliquely arranged action reed, and the action reeds partially extend into the material guide channel; the action reed is obliquely and upwards arranged along the feeding direction of the material guide channel, part of the action reed is exposed in the material guide channel, correspondingly, a protruding contact on the action reed of the first micro switch is positioned at one end side far away from the feeding hole, and a protruding contact on the action reed of the second micro switch is positioned at one end side close to the discharging hole;
the current detection module is electrically connected with the driving mechanism so as to detect and feed back the working current of the driving mechanism; the operation control module is electrically connected with the driving mechanism, the first microswitch, the second microswitch and the current detection module;
the operation control module is configured to:
after receiving a starting signal of the first microswitch, controlling the driving mechanism to work and driving the feeding wheel to rotate so as to convey the consumable materials;
and after receiving the loading success signal of the second microswitch, controlling the driving mechanism to stop working, and restarting the driving mechanism to work so as to adjust the feeding position of the consumable.
2. The consumable handling device of claim 1, wherein the feeding wheel is disposed above the material guiding channel, and the driven wheel is disposed below the material guiding channel; the feeding wheel and the driven wheel are arranged in a matching mode, and a transverse gap is formed between the feeding wheel and the driven wheel to accommodate consumables in conveying.
3. The handling consumable device of claim 2, wherein the first and second micro switches are disposed on two sides of the driven wheel respectively.
4. The device for loading and unloading the consumable materials according to claim 3, wherein the action reed of the first microswitch sends a starting signal to the operation control module after being triggered so as to control the operation of the driving mechanism; and after being triggered, the action reed of the second microswitch sends a loading success signal to the operation control module.
5. The consumable handling device of claim 1, wherein the feeding hole is in the shape of a circular truncated cone, and one end with a smaller diameter is communicated with and adapted to the inlet end of the material guide channel; the discharge hole is columnar, and the aperture of the discharge hole is larger than that of the material guide channel.
6. The consumable handling device of claim 1, wherein the driving mechanism is a stepper motor, and the stepper motor rotates forward to drive the feeding wheel to load the consumables in a forward direction and rotates backward to drive the feeding wheel to unload the consumables in a reverse direction.
7. The handling consumable device of claim 6, wherein the stepping motor is electrically connected to the current inspection module to detect a real-time current of the stepping motor, and feed the real-time current back to the operation control module; the operation control module is provided with a current threshold value, and when the real-time current exceeds the current threshold value, the operation control module generates and sends a warning signal.
8. A method for detecting handling consumables according to one of claims 1 to 7, characterized in that it comprises the following steps:
s1: pushing consumables into the material guide channel through the feeding hole, triggering the first microswitch and sending a starting signal to the operation control module, and controlling the operation of the driving mechanism by the operation control module;
s2: the driving mechanism operates to drive the feeding wheel to rotate, the driven wheel is matched to convey consumables to trigger the second microswitch, and the second microswitch sends a loading success signal to the operation control module;
s3: after receiving the loading success signal, the operation control module controls the driving mechanism to stop working and restarts the driving mechanism to work so as to adjust the feeding position of the consumable;
s4: the current detection module detects the real-time current of the driving mechanism and feeds the real-time current back to the operation control module, and the operation module monitors the working current of the driving mechanism in real time.
9. A3D printer, characterized by, including the handling consumable device of any one of claims 1 to 7 and a bearing seat for fixing the handling consumable device, a spring screw is provided between the bearing seat and the handling consumable device, so that the handling consumable device is fixed in the bearing seat.
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| WO2017058035A1 (en) * | 2015-09-28 | 2017-04-06 | 3D Gence Spółka Z Ograniczoną Odpowiedzialnością | A head-switching mechanism in a two-head three-dimensional printer |
| US10691095B2 (en) * | 2016-05-02 | 2020-06-23 | Board Of Regents, The University Of Texas System | In-situ diagnostics and control method and system for material extrusion 3D printing |
| CN106564193A (en) * | 2016-10-26 | 2017-04-19 | 东莞市瑞迪三维电子科技有限公司 | Feeding monitoring system and method for material tape of 3D printer |
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| CN106853684A (en) * | 2017-01-03 | 2017-06-16 | 成都墨之坊科技有限公司 | Consumptive material condition checkout gear and method |
| CN208469057U (en) * | 2018-03-24 | 2019-02-05 | 昆山市奇迹三维科技有限公司 | A kind of wire rod automatic handling device |
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