CN113246470B - Multifunctional wire rod storage box suitable for large FDM equipment and use method thereof - Google Patents
Multifunctional wire rod storage box suitable for large FDM equipment and use method thereof Download PDFInfo
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- CN113246470B CN113246470B CN202110571140.4A CN202110571140A CN113246470B CN 113246470 B CN113246470 B CN 113246470B CN 202110571140 A CN202110571140 A CN 202110571140A CN 113246470 B CN113246470 B CN 113246470B
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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
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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
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/336—Feeding of two or more materials
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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
- B29C64/343—Metering
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of 3D printing equipment, and provides a multifunctional wire rod containing box suitable for large FDM equipment, which comprises a box body, wherein the top end of the box body is provided with a box door, three surfaces of the box body are glass windows, two groups of weight measuring racks are arranged in the box body side by side, wire rod rolls are arranged on the two groups of weight measuring racks, a groove is arranged in the middle of the left wall of an inner cavity of the box body, a wire rod connector is arranged in the groove, the left part in front of the box body is sequentially provided with an operating panel, a temperature and humidity display screen and a wire rod parameter display screen from top to bottom, the wire rod supply guarantee of the large FDM equipment during long-time work is embodied as drying and dust removal of polymer wire rods and detection and feedback of weight and effective supply time, and materials which are about to be consumed are jointed to keep the large FDM equipment to work for a long time, the conditions of nozzle blockage, wire deterioration, wire exhaustion, wire waste and the like of the FDM equipment can be effectively prevented.
Description
Technical Field
The invention relates to the technical field of 3D printing equipment, in particular to auxiliary equipment matched with 3D printing equipment for supplying wires in a fused deposition mode and the like.
Background
Fused Deposition Modeling (FDM) is widely used as a 3D printing technique in various industries because of its advantages such as simple operation, low equipment cost, safety, and non-toxicity. The FDM technology is used for stacking thermoplastic wires layer by layer along a preset path after the thermoplastic wires are melted and extruded, so that a three-dimensional real object is obtained. In the fields of machinery, building, ship, art design and the like, when the precision requirement of a finished product is not high, the FDM is often used as a preferred forming mode for a special part or a model in consideration of cost reasons.
With the trend of miniaturization and large-scale development of 3D printing and the increase of the demand of special parts in various industries, the FDM equipment also gradually expands the printing stroke, but compared with equipment such as SLA and 3DP which is filled with photosensitive resin or epoxy resin, the printing capability of the FDM equipment is also affected by wires. For large FDM equipment, the supply of wire not only limits the specifications of the parts, but also is easy to be affected by moisture and deteriorate due to long-time printing process or cause blockage of a spray head due to dust deposition, so that the quality of the parts is reduced or the parts are scrapped in the printing process. Therefore, the moisture and dust prevention and the replacement of the wire are inevitable problems caused by long-time operation of large FDM equipment. In the existing patent technologies, most of the devices for supplying and storing wire materials can only solve a single problem, the problem of the comprehensive requirement for supplying the wire materials for long-time operation of the FDM device is solved, and the capability of realizing automatic operation by matching with the FDM device is still to be improved.
Therefore, the invention designs a multifunctional wire rod containing box suitable for large FDM equipment and a using method thereof, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a multifunctional wire rod containing box suitable for large FDM equipment and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional wire rod containing box suitable for large FDM equipment, which comprises a box body, wherein the top end of the box body is provided with a box door, three surfaces of the box body are provided with glass windows, two weight measuring racks are arranged in the box body side by side, wire coils are arranged on the two weight measuring racks, a groove is arranged in the middle of the left wall of the inner cavity of the box body, a wire connector is arranged in the groove, an operation panel, a temperature and humidity display screen and a wire parameter display screen are sequentially arranged on the left part of the front of the box body from top to bottom, the upper side of the left rear part of the inner cavity of the box body is provided with a dry air inlet, the front part of the lower side of the right wall of the box body is provided with an air outlet, an air inlet is arranged at the lower side of the left part of the rear surface of the box body, a water accumulation outlet is arranged at the upper side of the air inlet, a wire outlet is arranged at the upper middle part of the left surface of the box body, and an air heating mechanism is arranged on the inner side of the left part of the box body.
Preferably, air heating mechanism contains condenser pipe, air and advances pipe, heater, ponding back flow and air exit tube, the air advances pipe and air exit tube and connects respectively in the upper and lower end of condenser pipe, the air advances the other end of pipe and connects air intlet, dry air intlet is connected to the other end of air exit tube, the ponding back flow is connected and is advanced on the pipe at the air, and the ponding back flow is close to the condenser bottom, the periphery that the air advanced the pipe is provided with the heater.
Preferably, the heater is a resistive heating module.
Preferably, a filter screen is arranged in the air outlet.
Preferably, a temperature and humidity sensor is arranged in the box body and electrically connected with the temperature and humidity display screen.
Preferably, the coil 5 has a weight of 1 to 2 kg.
A use method of a multifunctional wire containing box suitable for large FDM equipment comprises the following steps:
s1, before use, opening the box door, respectively placing two groups of wire coils on two weight measurement racks, wherein one group of the two groups of wires is a main wire and the other group of the two groups of wires is a spare wire, leading the main wire out of the wire outlet to be connected with FDM equipment after passing through the wire connector, and connecting the spare wire with the wire connector and a connection inlet for spare; then closing the box door, and starting the air heating mechanism until the temperature in the box displayed by the temperature and humidity display screen reaches a set interval;
s2, when the system works, the FDM equipment pulls the main wire to perform 3D printing processing, and when the main wire is about to be consumed, the wire connector starts a connecting action to enable the front end of the standby wire to be connected with the rear end of the main wire in a continuous mode;
s3, in the working process, the two weight measuring racks can respectively measure two coils of wire, the average consumption speed of the wire is calculated according to the measurement result, and the time for the wire to maintain work is calculated according to the residual weight; the weight, the consumption speed and the service time are displayed on the wire parameter display screen on the left side; when the remaining time is short, the operating personnel can adjust the wire rod according to actual conditions.
Preferably, in S1, air enters from the air inlet pipe, is heated and then is conveyed upwards into the condensation pipe, moisture in the air is pre-cooled and condensed on the inner wall of the condensation pipe, meanwhile, the dried hot air is cooled, the cooled dried air is conveyed into the box body, and redundant accumulated water flows downwards and is discharged through the accumulated water return pipe.
Preferably, in S1, the temperature setting interval in the box body is 30-50 ℃, and the relative humidity in the box body is less than 25%.
Compared with the prior art, the invention has the beneficial effects that:
1. the wire rod supply of large-scale FDM equipment during long-time operation can be ensured, the work progress of FDM equipment is not influenced, the automatic wire rod connection can be finished on site without suspending equipment, the automation degree of the equipment is improved, and the printing failure rate is reduced.
2. The equipment is also convenient for replacing wires of different colors or materials in the 3D printing process, the technological capacity of the FDM equipment can be enhanced, the size of a workpiece is increased, and the application range of one fixed FDM equipment can be enlarged on the premise of ensuring the quality of the finished product.
3. The wire containing box can store standard wires with different weight specifications, and can monitor and feed back the residual quality and the residual effective supply time in real time, so that an operator can manage and maintain the equipment conveniently, and particularly control the alternate connection condition of the wires.
4. The wire rod containing box can carry out drying process to the wire rod of storage in inside to remove dust at the exit end, can ensure the quality of supply wire rod and reduce FEM equipment shower nozzle's jam probability when FDM equipment operates for a long time, improve the quality reduction and the FDM equipment fault rate of finished piece.
5. The integrated multiple functions of equipment can satisfy the required comprehensive wire rod supply demand of large-scale FDM equipment long-time operation, and equipment structure is simple reliable, with low costs, is convenient for clear up or dismantle the maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the wire box of the present invention;
FIG. 2 is a schematic view of the backside structure of the wire box of the present invention;
FIG. 3 is a schematic view of an air drying process of the present invention;
fig. 4 is a schematic view of the wire connector of the present invention.
The reference numbers are as follows:
the wire rod splicing device comprises a box body 1, a box door 2, a glass window 3, a weight measuring rack 4, a wire rod coil 5, a groove 6, a wire rod splicer 7, an operation panel 8, a temperature and humidity display screen 9, a wire rod parameter display screen 10, a dry air inlet 11, an air outlet 12, an air inlet 13, a water accumulation outlet 14, a wire rod outlet 15, a condenser pipe 16, an air inlet pipe 17, a heater 18, a water accumulation return pipe 19 and an air outlet pipe 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the present invention provides a technical solution:
a multifunctional wire storage box suitable for large FDM equipment comprises a box body 1, wherein a box door 2 is arranged at the top end of the box body 1, three surfaces of the box body 1 are glass windows 3, the condition in the box can be observed conveniently, wires can be placed and taken out conveniently, two groups of weight measuring racks 4 are arranged in the box body 1 side by side, wire coils 5 are arranged on the two groups of weight measuring racks 4, a groove 6 is arranged in the middle of the left wall of an inner cavity of the box body 1, a wire connector 7 is arranged in the groove 6, an operating panel 8, a temperature and humidity display screen 9 and a wire parameter display screen 10 are sequentially arranged in the left front part of the box body 1 from top to bottom, a dry air inlet 11 is arranged on the upper side of the left rear part of the inner cavity of the box body 1, an air outlet 12 is arranged on the front part of the lower side of the right wall of the box body 1, an air inlet 13 is arranged on the lower side of the left part of the rear part of the box body 1, a water accumulation outlet 14 is arranged on the upper side of the middle part of the left surface of the box body 1, an air heating mechanism is arranged on the inner side of the left part of the box body 1.
Further, the air heating mechanism contains condenser pipe 16, the air advances pipe 17, heater 18, ponding back flow 19 and air exit tube 20, air advances pipe 17 and air exit tube 20 and connects respectively at the upper and lower end of condenser pipe 16, the air advances the other end of pipe 17 and connects air inlet 13, dry air inlet 11 is connected to the other end of air exit tube 20, ponding back flow 19 is connected on air advances pipe 17, and ponding back flow 19 is close to condenser pipe 16 bottom, the periphery that the air advances pipe 17 is provided with heater 18, wherein, the number of piles of condenser pipe is 5-8 layers.
Further, the heater 18 is a resistance heating module.
Furthermore, a filter screen is arranged in the air outlet 12 to prevent dust from entering.
Furthermore, a temperature and humidity sensor is arranged in the box body 1 and is electrically connected with the temperature and humidity display screen 9.
Further, the coil 5 weighs 1 to 2 kg.
The using method comprises the following steps:
s1, before use, the box door 2 is opened, two groups of wire coils 5 are respectively arranged on two groups of weight measuring racks 4, one group of the two groups of wires is a main wire, the other group of the two groups of wires is a spare wire, the main wire is led out from the wire outlet 15 to be connected with FDM equipment after passing through the wire connector 7, and the spare wire and the wire connector 7 are connected with a connecting inlet for spare; then closing the box door 2, and starting the air heating mechanism until the temperature in the box, which is displayed by the temperature and humidity display screen 9, reaches a set interval;
s2, when the system works, the FDM equipment pulls the main wire to perform 3D printing processing, and when the main wire is about to be consumed, the wire splicer 7 starts splicing action to splice the front end of the standby wire and the rear end of the main wire;
s3, in the working process, the two weight measuring racks 4 can respectively measure the two coils of the wire 5, calculate the average consumption speed of the wire according to the measurement result, and calculate the time for the wire to work according to the residual weight; the weight, the consumption speed and the use time are displayed in the wire parameter display screen 10 on the left side; when the remaining time is short, the operating personnel can adjust the wire rod according to actual conditions.
Further, in S1, air enters from the air inlet pipe 17, is heated and then is conveyed upwards to the condenser pipe 16, moisture in the air is pre-cooled and condensed on the inner wall of the condenser pipe 16, meanwhile, the dry hot air is cooled, the cooled dry air is conveyed to the box body 1, and redundant accumulated water flows downwards and is discharged through the accumulated water return pipe 19.
Further, in S1, the temperature setting range in the box 1 is 30 to 50 ℃, and the relative humidity in the box 1 is less than 25%.
As shown in fig. 2, the operator can adjust the heating temperature of the drying part through the operation panel 8 according to the environment condition, so as to maintain the temperature and humidity requirements of different materials on the environment with low energy consumption. Meanwhile, the temperature of the hot air device in the connection process is adjusted according to the melting temperature of different materials, so that the materials can be smoothly connected.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The multifunctional wire storage box is characterized by comprising a box body (1), wherein a box door (2) is arranged at the top end of the box body (1), three surfaces of the box body (1) are glass windows (3), two groups of weight measuring material racks (4) are arranged inside the box body (1) side by side, wire coils (5) are arranged on the two groups of weight measuring material racks (4), a groove (6) is arranged in the middle of the left wall of an inner cavity of the box body (1), a wire connector (7) is arranged in the groove (6), an operating panel (8), a temperature and humidity display screen (9) and a wire parameter display screen (10) are sequentially arranged at the left front part of the box body (1) from top to bottom, a dry air inlet (11) is arranged at the upper side of the left rear part of the inner cavity of the box body (1), and an air outlet (12) is arranged at the front part of the lower side of the right wall of the box body (1), the box (1) rear left part lower side is provided with air intlet (13), the upside of air intlet (13) is provided with ponding export (14), the left side middle part upper position of box (1) is provided with wire rod export (15), box (1) left part inboard is provided with air heating mechanism.
2. The multifunctional wire containing box suitable for large FDM equipment, according to claim 1, wherein: air heating mechanism contains condenser pipe (16), air and advances pipe (17), heater (18), ponding back flow (19) and air exit tube (20), the air advances pipe (17) and air exit tube (20) and connects respectively in the upper and lower end of condenser pipe (16), the air advances the other end of pipe (17) and connects air intlet (13), dry air intlet (11) are connected to the other end of air exit tube (20), ponding back flow (19) are connected on air advances pipe (17), and ponding back flow (19) are close to condenser pipe (16) bottom, the periphery that the air advances pipe (17) is provided with heater (18).
3. The multifunctional wire containing box suitable for large FDM equipment, according to claim 2, wherein: the heater (18) is a resistance heating module.
4. The multifunctional wire containing box suitable for large FDM equipment, according to claim 1, wherein: a filter screen is arranged in the air outlet (12).
5. The multifunctional wire containing box suitable for large FDM equipment, according to claim 1, wherein: a temperature and humidity sensor is arranged in the box body (1) and is electrically connected with the temperature and humidity display screen (9).
6. The multifunctional wire containing box suitable for large FDM equipment, according to claim 1, wherein: the weight of the wire coil (5) is 1-2 kg.
7. The use method of the multifunctional wire containing box suitable for large FDM equipment, which is disclosed by claim 1, comprises the following steps:
s1, before use, the box door (2) is opened, two groups of wire coils (5) are respectively placed on two groups of weight measuring racks (4), one group of the two groups of wires is a main wire, the other group of the two groups of wires is a standby wire, the main wire is led out from a wire outlet (15) to be connected with FDM equipment after penetrating through a wire connector (7), and the standby wire and the wire connector (7) are connected with a connecting inlet for standby; then closing the box door (2), and starting the air heating mechanism until the temperature in the box, which is displayed by the temperature and humidity display screen (9), reaches a set interval;
s2, when the system works, FDM equipment pulls a main wire to perform 3D printing processing, and when the main wire is about to be consumed, a wire splicer (7) starts splicing action to splice the front end of a standby wire and the rear end of the main wire;
s3, in the working process, the two weight measuring racks (4) can respectively measure two coils of wire coils (5), the average consumption speed of the wire is calculated according to the measurement result, and the time for maintaining the work of the wire is calculated according to the residual weight; the weight, the consumption speed and the use time are displayed in the wire parameter display screen (10) on the left side; when the remaining time is short, the operating personnel can adjust the wire rod according to actual conditions.
8. The use method of the multifunctional wire rod containing box suitable for large FDM equipment, according to claim 7, wherein in S1, air enters from the air inlet pipe (17), is heated and then is conveyed upwards into the condenser pipe (16), moisture in the air is pre-cooled and condensed on the inner wall of the condenser pipe (16), meanwhile, dry hot air is cooled, the cooled dry air is conveyed into the box body (1), and redundant accumulated water flows downwards and is discharged through the accumulated water return pipe (19).
9. The use method of the multifunctional wire rod containing box suitable for large FDM equipment as claimed in claim 7, wherein in S1, the temperature setting range in the box (1) is 30-50 ℃, and the relative humidity in the box (1) is less than 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571140.4A CN113246470B (en) | 2021-05-25 | 2021-05-25 | Multifunctional wire rod storage box suitable for large FDM equipment and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571140.4A CN113246470B (en) | 2021-05-25 | 2021-05-25 | Multifunctional wire rod storage box suitable for large FDM equipment and use method thereof |
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| CN113246470A CN113246470A (en) | 2021-08-13 |
| CN113246470B true CN113246470B (en) | 2022-04-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066645A (en) * | 2008-06-27 | 2011-05-18 | 大宇电子株式会社 | Condensing-type drying apparatus |
| CN205522517U (en) * | 2016-01-25 | 2016-08-31 | 深圳前海赛恩科三维科技有限公司 | Continuous ware that connects of wire rod |
| CN106827542A (en) * | 2017-02-28 | 2017-06-13 | 哈尔滨理工大学 | A kind of 3D printing wire rod storing feeder |
| CN207310549U (en) * | 2017-10-13 | 2018-05-04 | 中科三维成型技术（深圳）有限公司 | 3D printing consumptive material material-storing box |
| CN109822905A (en) * | 2019-04-04 | 2019-05-31 | 陈科地 | A kind of intelligent Anti-blockage charging tray for 3D printing |
| CN111029949A (en) * | 2020-01-10 | 2020-04-17 | 谢晓佳 | Transformer case with dehumidification cooling function |
| CN213006582U (en) * | 2020-08-25 | 2021-04-20 | 昆山市奇迹三维科技有限公司 | 3D printer intelligence consumptive material frame |
-
2021
- 2021-05-25 CN CN202110571140.4A patent/CN113246470B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066645A (en) * | 2008-06-27 | 2011-05-18 | 大宇电子株式会社 | Condensing-type drying apparatus |
| CN205522517U (en) * | 2016-01-25 | 2016-08-31 | 深圳前海赛恩科三维科技有限公司 | Continuous ware that connects of wire rod |
| CN106827542A (en) * | 2017-02-28 | 2017-06-13 | 哈尔滨理工大学 | A kind of 3D printing wire rod storing feeder |
| CN207310549U (en) * | 2017-10-13 | 2018-05-04 | 中科三维成型技术（深圳）有限公司 | 3D printing consumptive material material-storing box |
| CN109822905A (en) * | 2019-04-04 | 2019-05-31 | 陈科地 | A kind of intelligent Anti-blockage charging tray for 3D printing |
| CN111029949A (en) * | 2020-01-10 | 2020-04-17 | 谢晓佳 | Transformer case with dehumidification cooling function |
| CN213006582U (en) * | 2020-08-25 | 2021-04-20 | 昆山市奇迹三维科技有限公司 | 3D printer intelligence consumptive material frame |
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| CN113246470A (en) | 2021-08-13 |
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