CN113199038B - Bionic deformation self-adaptive flexible sealing 3D printing equipment with bamboo fungus structure - Google Patents
Bionic deformation self-adaptive flexible sealing 3D printing equipment with bamboo fungus structure Download PDFInfo
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- CN113199038B CN113199038B CN202110493297.XA CN202110493297A CN113199038B CN 113199038 B CN113199038 B CN 113199038B CN 202110493297 A CN202110493297 A CN 202110493297A CN 113199038 B CN113199038 B CN 113199038B
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- sealing
- layer
- sealing layer
- bamboo fungus
- electromagnetic valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
Abstract
A bionic deformation self-adaptive flexible sealing 3D printing device with Dictyophora Indusiata structure is provided, wherein a working end of a manipulator is connected with a sealing end cover, the sealing end cover is connected with a sealing layer, an annular inflatable sealing ring is arranged on the inner side of the sealing layer, when the device works, the annular inflatable sealing ring is hermetically connected with a sealing groove at the periphery of the rectangular workbench, the sealing layer comprises an inner sealing layer and an outer sealing layer, a plurality of groups of annular bamboo fungus structure-imitating supporting interlayers are longitudinally and non-contact distributed between the inner sealing layer and the outer sealing layer, a supporting layer with a flexible structure is designed according to the movement characteristics that the bamboo fungus structure tends to guide after being subjected to external force in the nature and the characteristics that the bamboo fungus structure is not broken by strong force and has support stand upright, and then the supporting layer is wrapped by the inner and outer flexible sealing layers to realize the compression of the 3D printing equipment with movement guide during multi-axis movement, therefore, the flexible sealing body is prevented from being damaged by high temperature due to the fact that the distance between the printing head and the flexible sealing body is too close.
Description
Technical Field
The invention relates to the technical field of additive manufacturing, in particular to bionic deformation self-adaptive flexible sealing 3D printing equipment with a bamboo fungus structure.
Background
Because the continuous popularization that metal 3D printed, discover in different metal printing application processes, the detonation phenomenon takes place easily in printing under conventional environment with lively metal relatively, so partial metal need carry out 3D under the sealed environment of strict control oxygen content and print the processing, because flexible sealing equipment can appear two kinds of situations under realizing the multiaxis linkage condition: 1. when the space shrinkage is generated along with the movement, the deformation trend of the flexible body is not fixed, and the phenomenon that the flexible sealed cabin is damaged by high temperature of the printing head can occur. 2. When the space expands with the movement, the flexible body generates an acting force for obstructing the movement, so that the precision cannot be improved. Therefore, the sealing structure of the existing metal 3D printing equipment is mostly a rigid wrapping type sealing structure, and the rigid structure has the defects of high installation cost, much consumed gas, incapability of observing the processing condition of part angles in the processing process, requirement for readjusting the sealing performance after movement and the like.
Disclosure of Invention
The invention aims to solve the problems and the defects in the background art, and provides bionic deformation self-adaptive flexible sealing 3D printing equipment with a bamboo fungus structure.
A bionic deformation self-adaptive flexible sealing 3D printing device with a bamboo fungus structure comprises a bearing bottom plate, wherein a manipulator and an operation table are respectively arranged on the bearing bottom plate;
the operating platform comprises a lifting assembly, an object carrying plate is connected to the upper end of the operating platform through the lifting assembly, a rectangular working platform is arranged at the upper end of the object carrying plate, an inward concave sealing groove is formed in the periphery of the rectangular working platform, an exhaust pipe is arranged at the bottom of the rectangular working platform, a first exhaust one-way electromagnetic valve is arranged on the exhaust pipe, and the exhaust pipe is connected with an external negative pressure pump;
the manipulator working end is connected with a sealing end cover, an annular clamping groove is formed in the circumferential direction of the lower end of the sealing end cover, the lower end of the sealing end cover is tightly connected with the upper end of a sealing layer through a tightening strip with a fastener, a fixing ring is connected to the periphery of the lower end of the sealing layer, the lower end of the sealing layer extends outwards and is folded to wrap the fixing ring, an annular inflating sealing ring is arranged on the inner side of the lower end of the sealing layer, the annular inflating sealing ring is hermetically connected with a sealing groove in the periphery of a rectangular workbench during working, a temperature and humidity sensor, an oxygen content detection sensor, a pressure sensor, a welding head and a first air inlet one-way electromagnetic valve are arranged on the sealing end cover, and an air inlet pipe is arranged on the annular inflating sealing ring; the air inlet pipe is connected with the inflator pump, and the first air inlet one-way electromagnetic valve is connected with an external inert gas pipe;
the sealing layer comprises a sealing inner layer and a sealing outer layer, a plurality of groups of annular bamboo fungus-like structure supporting interlayers are longitudinally distributed between the sealing inner layer and the sealing outer layer in a non-contact manner, and a reversing area is arranged between every two adjacent annular bamboo fungus-like structure supporting interlayers;
the first air inlet one-way electromagnetic valve and the first exhaust one-way electromagnetic valve are electrically connected with an external control unit;
the external control unit controls the manipulator to work according to a preset program and carries out data acquisition on the temperature and humidity sensor, the oxygen content detection sensor and the pressure sensor.
And a second electromagnetic valve is arranged on the air inlet pipe.
The invention has the beneficial effects that:
the supporting layer of the flexible structure is designed according to the movement characteristic that the bamboo fungus structure tends to guide after being subjected to external force in nature and the characteristic that the bamboo fungus structure is not broken under strong force and has a support stand, and then the supporting layer is wrapped by the inner layer and the outer layer of flexible sealing tape, so that the sealing layer is compressed in a movement guide manner under the condition that the flexible cavity is contracted due to movement when the 3D printing equipment moves in multiple axes, and the flexible sealing tape is prevented from being damaged by high temperature due to too close distance between the printing head and the flexible sealing tape; under the condition that the flexible cavity body is expanded due to movement, the expansion amount of the flexible body is reduced due to the existence of the supporting structure, the bamboo fungus structure has self-adaptive distribution on tension force, and the expansion amount of the tensioned bamboo fungus structure is reduced, so that the bamboo fungus structure is spaced by flexible materials, and the expansion amount is increased. This design provides a more viable flexible sealing solution. Compared with rigid wrapping type sealing, the loss of inert gas can be reduced, and the processing process is easy to observe. According to the development of the existing 3D industry, the method is a development direction for on-site repair of dies and devices, flexible sealing is realized, a reliable gas environment is provided for on-site 3D printing repair, and the possibility of on-site repair is improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Figure 2 is a schematic view of the lift assembly and robot not mounted to the present invention.
Figure 3 is a partial top view of the lift assembly and robot not mounted on the present invention.
Fig. 4 is a partially enlarged view of a-a in fig. 3.
Fig. 5 is a partially enlarged schematic view of B in fig. 4.
Fig. 6 is a partially enlarged schematic view of C in fig. 4.
Fig. 7 is a structural schematic diagram of a ring-shaped bamboo fungus-like structure supporting interlayer distributed at a sealing inner layer.
Detailed Description
Referring to fig. 1 to 7, the bionic deformation self-adaptive flexible sealing 3D printing equipment with the bamboo fungus structure comprises a bearing bottom plate 1, wherein a manipulator 2 and an operation table are respectively arranged on the bearing bottom plate 1;
the operating table comprises a lifting assembly 4, an object carrying plate 5 is connected to the upper end of the operating table through the lifting assembly 4, a rectangular working table 6 is arranged at the upper end of the object carrying plate 5, an inward concave sealing groove 7 is formed in the periphery of the rectangular working table 6, an exhaust pipe 3 is arranged at the bottom of the rectangular working table 6, a first exhaust one-way electromagnetic valve is arranged on the exhaust pipe 3, and the exhaust pipe 3 is connected with an external negative pressure pump;
the working end of the manipulator 2 is connected with a sealing end cover 8, the lower end of the sealing end cover 8 is circumferentially provided with an annular clamping groove 23, the lower end of the sealing end cover 8 is tightly connected with the upper end of a sealing layer 9 through a tightening strip 10 with a fastener, the periphery of the lower end of the sealing layer 9 is connected with a fixing ring 11, the lower end of the sealing layer 9 extends outwards and turns over to wrap the fixing ring 11, the inner side of the lower end of the sealing layer 9 is provided with an annular inflatable sealing ring 12, the annular inflatable sealing ring 12 is hermetically connected with a sealing groove 7 on the periphery of a rectangular workbench 6 during working, the sealing end cover 8 is provided with a temperature and humidity sensor 13, an oxygen content detection sensor 14, a pressure sensor 15, a welding head 16 and a first air inlet one-way electromagnetic valve 17, and the annular inflatable sealing ring 12 is provided with an air inlet pipe 18; the air inlet pipe 18 is connected with an inflator pump, and the first air inlet one-way electromagnetic valve 17 is connected with an external inert gas pipe;
the sealing layer 9 comprises a sealing inner layer 19 and a sealing outer layer 20, a plurality of groups of annular bamboo fungus-like structure supporting interlayers 21 are longitudinally distributed between the sealing inner layer 19 and the sealing outer layer 20 in a non-contact manner, and a reversing area 22 is arranged between two adjacent annular bamboo fungus-like structure supporting interlayers 21;
the first air inlet one-way electromagnetic valve 17 and the first exhaust one-way electromagnetic valve are electrically connected with an external control unit;
the external control unit controls the manipulator 2 to operate according to a preset program and performs data acquisition on the temperature and humidity sensor 13, the oxygen content detection sensor 14, and the pressure sensor 15.
The air inlet pipe 18 is provided with a second electromagnetic valve.
The working principle and the using process are as follows:
step one, an external control unit controls a manipulator 2 to drive a sealing layer 9 and an annular inflatable sealing ring 12 to move to the upper end of a rectangular workbench 6 according to a preset program;
step two, inflating the annular inflatable sealing ring 12 by an inflator pump to extrude and seal the rectangular workbench 6 and the sealing layer 9, and forming a closed structure inside the sealing layer 9;
step three, the external control unit controls the mechanical arm 2 to drive the welding head 16 to move downwards until the lower end of the welding head 16 approaches the upper surface of the rectangular workbench 6, and the sealing layer 9 is compressed;
step four, the external control unit opens the first air inlet one-way electromagnetic valve 17 to fill inert gas into the cavity structure of the sealing layer 9 and controls the first air outlet one-way electromagnetic valve to discharge the original air in the cavity structure of the sealing layer 9;
step five, stopping filling the inert gas when the temperature and humidity sensor 13, the oxygen content detection sensor 14 and the pressure sensor 15 detect that the oxygen content in the cavity structure of the sealing layer 9 reaches the preset gas content of the external control unit;
step six, the external control unit controls the welding head 16 to start metal printing, when the mechanical arm 2 drives the sealing layer 9 cavity structure to compress, the annular bamboo fungus-like structure supporting interlayer 21 plays a multi-dimensional self-adaptive guiding role to enable the cavity to deform according to expected conditions, when the mechanical arm 2 drives the sealing layer 9 cavity structure to stretch, the annular bamboo fungus-like structure supporting interlayer 21 plays a supporting role, and the flexible material reversing area 22 at the joint of the adjacent annular bamboo fungus-like structure supporting interlayers 21 is a main motion amount which can be controlled to deform and bear;
and step seven, during printing, the processing process of all angles can be observed. And the processing can be stopped immediately when an error occurs, so that the loss is reduced.
Claims (2)
1. The utility model provides a bionical deformation self-adaptation flexible seal 3D printing apparatus of edible fungus structure which characterized in that: the manipulator comprises a bearing bottom plate (1), wherein a manipulator (2) and an operation platform are respectively arranged on the bearing bottom plate (1);
the operating platform comprises a lifting assembly (4), an object carrying plate (5) is connected to the upper end of the operating platform through the lifting assembly (4), a rectangular working platform (6) is arranged at the upper end of the object carrying plate (5), an inward concave sealing groove (7) is formed in the periphery of the rectangular working platform (6), an exhaust pipe (3) is arranged at the bottom of the rectangular working platform (6), a first exhaust one-way electromagnetic valve is arranged on the exhaust pipe (3), and the exhaust pipe (3) is connected with an external negative pressure pump;
the working end of the manipulator (2) is connected with a sealing end cover (8), the lower end of the sealing end cover (8) is circumferentially provided with an annular clamping groove (23), the lower end of the sealing end cover (8) is tightly connected with the upper end of a sealing layer (9) through a tightening strip (10) with a fastener, the periphery of the lower end of the sealing layer (9) is connected with a fixing ring (11), the lower end of the sealing layer (9) extends outwards and is folded to wrap the fixing ring (11), the inner side of the lower end of the sealing layer (9) is provided with an annular inflatable sealing ring (12), when the manipulator works, the annular inflatable sealing ring (12) is connected with a sealing groove (7) on the periphery of the rectangular workbench (6) in a sealing manner, a temperature and humidity sensor (13), an oxygen content detection sensor (14), a pressure sensor (15), a welding head (16) and a first air inlet one-way electromagnetic valve (17) which extend into the sealing end cover (8) are arranged on the sealing end cover (8), and an air inlet pipe (18) is arranged on the annular inflatable sealing ring (12); the air inlet pipe (18) is connected with the inflator pump, and the first air inlet one-way electromagnetic valve (17) is connected with an external inert gas pipe;
the sealing layer (9) comprises a sealing inner layer (19) and a sealing outer layer (20), a plurality of groups of annular bamboo fungus-like structure supporting interlayers (21) are longitudinally distributed between the sealing inner layer (19) and the sealing outer layer (20) in a non-contact manner, and a reversing area (22) is arranged between every two adjacent annular bamboo fungus-like structure supporting interlayers (21);
the first air inlet one-way electromagnetic valve (17) and the first exhaust one-way electromagnetic valve are electrically connected with an external control unit;
the external control unit controls the manipulator (2) to work according to a preset program and collects data of the temperature and humidity sensor (13), the oxygen content detection sensor (14) and the pressure sensor (15).
2. The bionic deformation self-adaptive flexible sealing 3D printing equipment with the bamboo fungus structure, according to claim 1, is characterized in that: the air inlet pipe (18) is provided with a second electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110493297.XA CN113199038B (en) | 2021-05-07 | 2021-05-07 | Bionic deformation self-adaptive flexible sealing 3D printing equipment with bamboo fungus structure |
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| CN202110493297.XA CN113199038B (en) | 2021-05-07 | 2021-05-07 | Bionic deformation self-adaptive flexible sealing 3D printing equipment with bamboo fungus structure |
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| CN113199038A CN113199038A (en) | 2021-08-03 |
| CN113199038B true CN113199038B (en) | 2021-12-14 |
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