CN114833357A

CN114833357A - A automatic mend silk system in cabin for metal 3D prints

Info

Publication number: CN114833357A
Application number: CN202210228271.7A
Authority: CN
Inventors: 胡津; 李登万; 孙勇; 胡小青; 王春焱; 李建锋; 冯欣宇
Original assignee: Sichuan Engineering Technical College
Current assignee: Sichuan Engineering Technical College
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-08-02
Anticipated expiration: 2042-03-08
Also published as: CN114833357B

Abstract

The application discloses an automatic silk system of mending for under-deck that is used for metal 3D to print, including the work cabin, airtight cabin and mend a silk device, mend the silk mouth has been seted up on the work cabin, airtight cabin is connected with the work cabin, airtight cabin holds the chamber including first chamber and the second of holding, first chamber and the second of holding holds the chamber mutually perpendicular, first perpendicular crossing region that holds chamber and second and hold the chamber is just to mending the silk mouth, first one side of holding the chamber and keeping away from mending the silk mouth is provided with airtight door, mend the silk device and be equipped with two sets ofly and all be located airtight cabin, mend the silk device including can with mend silk mouth complex mend the silk board, be provided with the wire winding dish on the mended silk board, mend the silk board and can follow first intracavity and remove to mend silk mouth department, mend the silk board and still can remove to the second and hold the intracavity, this application has improved the change efficiency of wire winding dish lower, and can guarantee the advantage of gas tightness.

Description

A automatic mend silk system in cabin for metal 3D prints

Technical Field

The application relates to the technical field of 3D printers, in particular to an automatic filament supplementing system used for metal 3D printing in a cabin.

Background

The metal 3D printing technology, also called metal additive manufacturing technology, is a technology of melting a metal material by using a heat source in an inert atmosphere or a vacuum environment, and stacking the metal material layer by layer according to a preset path to form a metal part. According to different 3D printing process requirements, an inert gas environment in a working chamber needs to be maintained in some processes, and a vacuum environment needs to be maintained in some working chambers. In the technical field of metal 3D printing, the raw materials are mostly supplied in a powder material or wire material mode, when the wire materials are used as the raw materials, the metal wire materials need to be wound on a wire winding disc in advance, when large parts are processed, the needed wire materials are large in quantity, the needed raw materials are more, and the wire winding disc which needs to be continuously updated needs to be supplemented with wires.

For large parts, the existing wire supplementing device consumes a lot of time when replacing a new wire winding disc, so that the efficiency is low, the air tightness is difficult to control due to the need of changing the atmosphere state and/or the environmental states such as temperature and/or pressure in a working cabin in the process of replacing the wire winding disc, and the quality defect of the joint of the parts before and after wire replacement is easy to occur.

Disclosure of Invention

The main aim at of this application provides an automatic silk system of meneing in cabin for metal 3D prints, and efficiency is lower when aiming at solving current mend silk device and changing the wire winding dish, and the gas tightness is difficult to the technical problem who controls.

For realizing above-mentioned purpose, the application provides an automatic silk system of mending for under-deck that metal 3D printed, including the work cabin, airtight cabin and mend a silk device, the last mend a silk mouth of having seted up of work cabin, airtight cabin is connected with the work cabin, airtight cabin holds the chamber including first chamber and the second of holding, first chamber and the second of holding holds the chamber mutually perpendicular, first perpendicular crossing region that holds chamber and second and hold the chamber is just to mending the silk mouth, first one side of holding the chamber and keeping away from mending the silk mouth is provided with airtight door, mend a silk device and be equipped with two sets ofly and all be located airtight cabin, mend a silk device including can with mend a silk mouth complex mend the silk board, be provided with the wire winding dish on the mend silk board, mend the silk board and can follow first intracavity and remove to mend silk mouth department, mend the silk board and still can remove to the second and hold the intracavity.

Optionally, the bottom of the first accommodating cavity is provided with a guide rail along the length direction thereof, the tail end of the guide rail is close to the wire supplementing opening, the bottom of the wire supplementing plate is provided with a first driving device, the first driving device is used for driving the wire supplementing plate to move along the guide rail, the bottom of the second accommodating cavity is provided with a first sliding groove along the length direction thereof, the guide rail is divided into two sections by the first sliding groove, a first sliding mechanism is arranged in the first sliding groove, and the first sliding mechanism is used for moving the wire supplementing plate into the second accommodating cavity.

Optionally, the first driving device comprises an installation frame arranged on the wire supplementing plate, the installation frame is close to the bottom of the wire supplementing plate, a driving gear is movably arranged in the installation frame, the driving gear is connected with a first motor located on the installation frame, the guide rail is a rack, and the driving gear is meshed with the rack.

Optionally, the first sliding mechanism includes a first sliding block matched with the first sliding groove, a second driving device is arranged on the first sliding block, the second driving device is used for driving the first sliding block to slide in the first sliding groove, a connecting rail is arranged at the top of the first sliding block, the connecting rail can be spliced between the two sections of guide rails, and the connecting rail is a rack.

Optionally, the first chamber top that holds is provided with the second spout along its length direction, is provided with two sets of rotary lifting mechanism in the second spout slidable, and corresponding benefit silk board is connected respectively to rotary lifting mechanism bottom, and rotary lifting mechanism is used for driving benefit silk board rotatory or go up and down, and the second holds intracavity top and is provided with the third spout along its length direction, and the third spout is separated into two sections with the second spout, is provided with the second glide machanism in the third spout, and the second glide machanism is used for moving rotary lifting mechanism to the second and holds the intracavity.

Optionally, the rotary lifting mechanism comprises a second motor slidably arranged in a second sliding groove, a lifting device is arranged at the bottom of the second motor, the bottom of the lifting device is connected with a corresponding wire supplementing plate, the second sliding mechanism comprises a second sliding block matched with the second sliding groove, a third driving device is arranged on the second sliding block, the third driving device is used for driving the second sliding block to slide in the second sliding groove, a linking sliding groove is formed in the second sliding block, the linking sliding groove can be spliced between the two sections of second sliding grooves, and the rotary lifting mechanism can slide into the linking sliding groove.

Optionally, a first sensor is arranged at the bottom of the first accommodating cavity, the first sensor is located between the airtight door and the first sliding groove, the first sensor is electrically connected with a first controller, the second motor and the lifting device are both electrically connected with the first controller, a second sensor is arranged at the top of the first sliding block and/or the bottom of the second sliding block, the second sensor is electrically connected with a second controller, and the first motor, the second driving device and the third driving device are all electrically connected with the second controller.

Optionally, be provided with installation mechanism on the mend the silk board, installation mechanism is including connecting the bolt on mending the silk board, and the movable sleeve is equipped with the sleeve on the bolt, is provided with a plurality of location archs along its axial on the sleeve, and the wire winding dish center is seted up with sleeve complex through-hole, and the wire winding dish is inside to be seted up a plurality of and location protruding one-to-one's location logical groove along through-hole outer fringe circumference.

Optionally, mend and be provided with silk material anti-disengaging mechanism on the silk board, silk material anti-disengaging mechanism has seted up the silk hole including connecting the guide cylinder on mending the silk board in the guide cylinder, and the entry end of crossing the silk hole is the loudspeaker form of outer big-end-in-the-middle-size, crosses the position that is close to the exit end in the silk hole and is provided with two piece at least splint, and splint articulate at the silk hole inner wall near the one end of crossing the silk hole entry end, splint and cross to be connected with between the silk hole inner wall and push away the spring.

Optionally, the air-tight cabin is provided with a working cabin, a working cabin and an air-tight cabin, the working cabin is provided with a working cabin air inlet, the working cabin air inlet is provided with a working cabin air inlet, and the working cabin air outlet is provided with a working cabin air inlet, the working cabin air outlet is provided with a working cabin air outlet, the working cabin air outlet is provided with a working cabin air outlet, and the working cabin air outlet is provided with a working cabin air outlet, the working cabin is provided with a working cabin air outlet, the working cabin is provided with a working outlet, the working outlet, and the working outlet is electrically connected with the working outlet, the working outlet is electrically connected with the working outlet, and the working outlet, the working outlet is electrically connected with the working outlet, the working.

An automatic in-cabin wire supplementing method for 3D metal printing comprises the following steps:

step S1: one wire supplementing plate is sealed to block a wire supplementing opening of the working cabin, a wire supplementing surface of the wire supplementing plate with the wire winding disc faces the inside of the working cabin, and the wire winding disc is installed on the other wire supplementing plate and temporarily stored in the first accommodating cavity for standby;

step S2: monitoring the temperature, the air pressure and the humidity in the working chamber and the airtight chamber in real time, and keeping the temperature, the air pressure and the humidity in the airtight chamber consistent with those in the working chamber through the regulation of a temperature regulator, an air pressure regulator and a humidity regulator;

step S3: when the wire material on the wire supplementing plate for plugging the wire supplementing opening is used up, starting a corresponding first motor to enable a driving gear to rotate, driving the wire supplementing plate to retreat along a guide rail until a second sensor senses the wire supplementing plate, stopping the first motor, starting a second driving device and/or a third driving device, driving a first sliding block to slide in a first sliding groove to a second accommodating cavity, and driving a second sliding block to slide in a second sliding groove to the second accommodating cavity;

step S4: after the wire supplementing plate with the used wire materials is slidingly moved into the second accommodating cavity, the lifting device above the wire supplementing plate lifts the wire supplementing plate, so that the driving gear at the bottom of the wire supplementing plate is disengaged from the engagement with the joining rail, the second driving device is started, the first sliding block is driven to reset, and the joining rail on the first sliding block is joined to form a guide rail which is divided into two sections;

step S5: then starting a first motor at the bottom of the wire supplementing plate which is temporarily stored in the first accommodating cavity to move the wire supplementing plate towards the wire supplementing opening until the first sensor senses the wire supplementing plate, stopping the operation of the first motor, then lifting the wire supplementing plate corresponding to the lifting device to separate a driving gear at the bottom of the wire supplementing plate from being meshed with the guide rail, driving the wire supplementing plate to rotate 180 degrees by a second motor to enable the wire supplementing surface of the wire supplementing plate with a wire winding disc to face the direction of the wire supplementing opening, lowering the wire supplementing plate by the lifting device to enable the driving gear at the bottom of the wire supplementing plate to be meshed with the guide rail again, starting the first motor to continuously drive the wire supplementing plate to move towards the wire supplementing opening until the wire supplementing plate blocks the wire supplementing opening;

step S6: the second driving device drives the first sliding block to enter the second accommodating cavity again, and the lifting device above the wire supplementing plate in the second accommodating cavity lowers the wire supplementing plate, so that the driving gear at the bottom of the wire supplementing plate is meshed with the lower connecting rail again;

step S7: starting the second driving device and/or the third driving device, driving the first sliding block and the second sliding block to reset simultaneously, driving the wire supplementing plate in the second accommodating cavity to move back to the first accommodating cavity, enabling the connecting rail on the first sliding block to be connected into two sections of guide rails, and enabling the connecting chute on the second sliding block to be connected into two sections of second chutes;

step S8: starting the first motor at the bottom of the wire supplementing plate in the step S7, enabling the wire supplementing plate to move towards the direction of the airtight door, stopping the first motor when the first sensor senses the wire supplementing plate, lifting the wire supplementing plate by a lifting device at the top of the wire supplementing plate, enabling a driving gear at the bottom of the wire supplementing plate to be disengaged from the guide rail, driving the wire supplementing plate to rotate 180 degrees corresponding to the second motor, enabling a wire supplementing surface of the wire supplementing plate with a wire winding disc to face the direction of the airtight door, then lowering the wire supplementing plate by the lifting device, enabling the driving gear at the bottom of the wire supplementing plate to be engaged with the guide rail again, starting the first motor corresponding to continue to drive the wire supplementing plate to move towards the direction of the airtight door until the wire supplementing plate reaches the vicinity of the airtight door;

step S9: adjusting the temperature, the air pressure and the humidity in the airtight cabin to be consistent with those in the working cabin by adjusting the temperature, the air pressure and the humidity in the airtight cabin to room temperature and normal pressure, opening the airtight door, replacing a new wire winding disc, closing the airtight door and passing through the temperature regulator, the air pressure regulator and the humidity regulator again;

step S10: and starting standby of the wire supplementing plate staying in the first accommodating cavity of the airtight cabin, and repeating the steps S3-S9 after the wire materials on the wire supplementing plate for sealing the wire supplementing opening are used up.

The beneficial effect that this application can realize is as follows:

the application arranges the airtight cabin with a unique structure, the first accommodating cavity and the second accommodating cavity in the airtight cabin can be used as transition space of wire feeding, one standby wire feeding plate filled with wires can be temporarily stored in the first accommodating cavity, when the wires wound on the wire feeding plate at the wire feeding port are used up, the wire feeding plate of the wires to be fed can be withdrawn and moved to the second accommodating cavity, the standby wire feeding plate is moved to the wire feeding port to continuously supply the wires, the wire feeding plate of the wires to be fed is moved from the second accommodating cavity to the first accommodating cavity and moves towards the direction close to the airtight door, then the wires are conveniently fed, the wire feeding port is sealed by another wire feeding plate in the process, therefore, the rapid wire feeding is completed by alternately using the two wire feeding plates, compared with the prior art, the wires do not need to continuously pass through the cabin wall, and the stable and reliable printing quality can be ensured, a large number of wire winding discs do not need to be placed in the working cabin in advance, so that the simple structure and the simple equipment in the working cabin are ensured; therefore, the problem that the time consumption is very large when a cabin door of a working cabin needs to be opened to replace a wire winding disc in the traditional process is solved, the working efficiency is improved, and the fluctuation and the change of the atmosphere state and/or the temperature and/or the pressure environment in the working cabin can not be caused in the wire replenishing process, so that the quality defect of connection of parts before and after wire replacement can not be caused.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings that are needed in the detailed description of the present application or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural diagram of an in-cabin automatic wire feeding system for 3D metal printing according to the present application;

FIG. 2 is a schematic view of the internal structure of the capsule in the present application;

FIG. 3 is a schematic view of the bottom of the air-tight chamber;

fig. 4 is a schematic structural view of the first sliding mechanism in fig. 3 sliding into the second accommodating cavity;

FIG. 5 is a schematic view of the structure of the ceiling of the airtight chamber in the present application;

fig. 6 is a schematic structural view of the second sliding mechanism in fig. 5 sliding into the second accommodating cavity;

FIG. 7 is a schematic front view of a filament supplement plate according to the present application (one side having a filament winding disk);

FIG. 8 is a schematic drawing of the construction of a forming disk of the present application;

FIG. 9 is a schematic view of the back side of the wire feeding plate of the present application;

FIG. 10 is a schematic structural view of the connection relationship between the wire feeding plate and the upper and lower walls of the capsule in the present application;

FIG. 11 is a schematic structural view of a wire retaining mechanism of the present application;

FIG. 12 is a diagram of a connection framework for a first controller and its associated connection accessories in the present application;

FIG. 13 is a diagram of a connection framework for a second controller and its associated connection accessories in the present application;

FIG. 14 is a block diagram of a third controller and its associated attachment framework of the present application.

Reference numerals:

110-a working cabin, 111-a wire supplementing port, 120-an airtight cabin, 121-a first accommodating cavity, 122-a second accommodating cavity, 123-an airtight door, 130-a wire supplementing device, 131-a wire supplementing plate, 1311-a door frame, 1312-a sealing strip, 132-a wire winding disc, 1321-a through hole, 1322-a positioning through groove, 140-a guide rail, 150-a first driving device, 151-an installation frame, 152-a driving gear, 153-a first motor, 160-a first sliding chute, 170-a first sliding mechanism, 171-a first sliding block, 172-a second driving device, 173-a connecting rail, 180-a second sliding chute, 190-a rotary lifting mechanism, 191-a second motor, 192-a lifting device, 210-a third sliding chute and 220-a second sliding mechanism, 221-a second sliding block, 222-a third driving device, 223-an engagement sliding groove, 230-a first sensor, 240-a second sensor, 250-a mounting mechanism, 251-a bolt, 252-a sleeve, 253-a positioning bulge, 260-a wire anti-dropping mechanism, 261-a guide cylinder, 262-a wire passing hole, 263-a clamping plate, 264-a pushing spring, 270-a temperature regulator, 280-an air pressure regulator and 290-a humidity regulator.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

It should be noted that all the directional indications (such as up, down, left, right, front, and back … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Example 1

Referring to fig. 1 to 14, the embodiment provides an automatic wire feeding system in a cabin for 3D metal printing, including a working cabin 110, an airtight cabin 120 and a wire feeding device 130, wherein the working cabin 110 is provided with a wire feeding port 111, the working cabin 110 is used for 3D metal printing, the airtight cabin 120 is connected with the working cabin 110, the airtight cabin 120 includes a first accommodating cavity 121 and a second accommodating cavity 122, the first accommodating cavity 121 and the second accommodating cavity 122 are perpendicular to each other, a perpendicular intersection area of the first accommodating cavity 121 and the second accommodating cavity 122 is opposite to the wire feeding port 111, so that the airtight cabin 120 is L-shaped as a whole, one side of the first accommodating cavity 121 far from the wire feeding port 111 is provided with an airtight door 123, the wire feeding device 130 is provided with two sets and is located in the airtight cabin 120, the wire feeding device 130 includes a wire feeding plate 131 capable of being matched with the wire feeding port 111, a wire winding disc 132 is provided on the wire feeding plate 131, the wire feeding plate 131 is capable of moving from the first accommodating cavity 121 to the wire feeding port 111, the filament feeding plate 131 can also move into the second accommodating cavity 122.

In the wire supplementing mode in the prior art, an airtight door of a working cabin needs to be opened to replace a new wire winding disc, for vacuum electron beam fuse equipment, the replacing process takes more than 6 hours, wherein the replacing process comprises the processes of part cooling, air bleeding, wire supplementing, vacuumizing again and the like, and for an electric arc or laser fuse forming process, the replacing process takes about 20 hours, and the replacing process comprises the processes of inert gas releasing, wire supplementing, re-air washing, pressurization and the like. Therefore, for large parts, the time consumption for replacing a new wire winding disc is extremely large, and the efficiency is low in the existing metal 3D printing technology; and in the process of replacing the wire winding disc, because the atmosphere state and/or the environment such as temperature and/or pressure in the working cabin needs to be changed, the quality defect of the joint of the parts before and after wire replacement is easy to occur.

In order to overcome the above problems, the following improvements have been mainly found in the prior art, but all have corresponding disadvantages: (1) the wire is stored outside the working chamber and passes through the chamber wall for feeding, and the method needs to continuously pass through the chamber wall and feed the wire into the working chamber, which is not beneficial to maintaining the stable environment in the working chamber and ensuring the stable printing quality; (2) set up a plurality of storage silk units in the work compartment, every stores up the silk unit and has all placed the wire winding dish in advance, in 3D printing process, silk material on the wire winding dish uses the completion back, get the silk from next wire winding dish automatically, this kind of mode need occupy a large amount of spaces in the work compartment, the volume to the work compartment has higher requirement, and need set up corresponding transport or trade silk equipment in the work compartment, lead to in the work compartment except that printing apparatus, still have a large amount of auxiliary instrument, lead to the inside equipment of work compartment numerous, the structure is complicated, it is clean to pursue with 3D printing, succinct printing environment contradicts. In conclusion, the prior art does not have a good wire supplementing technology for 3D printing of large metal parts.

Therefore, in this embodiment, by providing the air-tight chamber 120 with a unique structure, the first accommodating chamber 121 and the second accommodating chamber 122 in the air-tight chamber 120 can be used as a transition space for filament supplement, wherein a standby filament supplement plate 131 containing filament materials can be temporarily stored in the first accommodating chamber 121, when the filament materials of the filament winding disc 132 on the filament supplement plate 131 at the filament supplement port 111 are used up, the filament supplement plate 131 of the filament materials to be supplemented can be withdrawn and moved to the second accommodating chamber 122, the standby filament supplement plate 131 is moved to the filament supplement port 111 to continue to supply the filament materials, the filament supplement plate 131 of the filament materials to be supplemented is moved from the second accommodating chamber 122 to the first accommodating chamber 121 and moved towards the direction close to the air-tight door 123, then the supplement of the filament materials is facilitated, in the process, the filament supplement port 111 is sealed by another filament supplement plate 131, therefore, compared with the prior art, the rapid filament supplement is completed by using two filament supplement plates 131 alternately, the wire does not need to continuously pass through the bulkhead, the printing quality can be ensured to be stable and reliable, a large number of wire winding discs 132 do not need to be placed in the working cabin 110 in advance, and the simple structure and the concise equipment in the working cabin 110 are ensured; therefore, the method and the device overcome the problem that the traditional process needs to open the cabin door of the working cabin 110 to replace the wire winding disc 132, so that the time consumption is very large, the working efficiency is improved, and the fluctuation and the change of the atmosphere state and/or the temperature and/or the pressure environment in the working cabin 110 can not be caused in the wire replenishing process, so that the quality defect of connection of parts before and after wire replacement can not be caused.

As an alternative embodiment, a door frame 1311 is disposed on one surface of the wire supplementing plate 131, the wire winding disc 132 is disposed on the door frame 1311, the door frame 1311 can be matched with the wire supplementing opening 111, a circle of sealing strips 1312 is disposed on the outer edge of the door frame 1311, the sealing strips 1312 can be made of rubber, when the wire supplementing plate 131 blocks the wire supplementing opening 111, the outer wall of the door frame 1311 can be matched with the inner wall of the wire supplementing opening 111, and the sealing strips 1312 can ensure the airtight effect at the wire supplementing opening 111, and of course, the airtight effect between the wire supplementing plate 131 and the wire supplementing opening 111 can also be achieved by any airtight method of the airtight door 123 in the prior art.

As an alternative embodiment, a guide rail 140 is disposed at the bottom of the first accommodating cavity 121 along the length direction thereof, the end of the guide rail 140 is close to the filament supplementing opening 111, a first driving device 150 is disposed at the bottom of the filament supplementing plate 131, the first driving device 150 is configured to drive the filament supplementing plate 131 to move along the guide rail 140, a first sliding chute 160 is disposed at the bottom of the second accommodating cavity 122 along the length direction thereof, the first sliding chute 160 divides the guide rail 140 into two sections, a first sliding mechanism 170 is disposed in the first sliding chute 160, the first sliding mechanism 170 is configured to move the filament supplementing plate 131 into the second accommodating cavity 122, and the first sliding mechanism 170 is disposed at a position close to the bottom of the back of the filament supplementing plate 131 far away from the filament winding disc 132. The first driving device 150 comprises a mounting frame 151 arranged on the wire feeding plate 131, the mounting frame 151 is close to the bottom of the wire feeding plate 131, a driving gear 152 is movably arranged in the mounting frame 151, the driving gear 152 is connected with a first motor 153 positioned on the mounting frame 151, the guide rail 140 is a rack, and the driving gear 152 is meshed with the rack. The first sliding mechanism 170 includes a first sliding block 171 engaged with the first sliding groove 160, a second driving device 172 is disposed on the first sliding block 171, the second driving device 172 is used for driving the first sliding block 171 to slide in the first sliding groove 160, an engaging rail 173 is disposed on the top of the first sliding block 171, the engaging rail 173 can be spliced between the two sections of the guide rails 140, and the engaging rail 173 is a rack.

In this embodiment, the replaced wire feeding plate 131 needs to enter the second accommodating cavity 122 for temporary storage, the reversing movement mode of the wire feeding plate is designed in this embodiment, the first chute 160 is disposed in the second accommodating cavity 122, and the first chute 160 extends to the intersection of the second accommodating cavity 122 and the first accommodating cavity 121, so that the first chute 160 divides the guide rail 140 into two sections. The first sliding groove 160 is slidably engaged with a first sliding block 171 driven by a second driving device 172, and when the first sliding block 171 slides to a set position, an engaging rail 173 thereon can engage the first guiding rail 140 divided into two sections. Therefore, in the present embodiment, when the wire feeding plate 131 exiting from the wire feeding port 111 moves along the guide rail 140 and enters the connecting rail 173, the wire feeding plate 131 is located on the first sliding block 171, the second driving device 172 drives the first sliding block 171 to enter the second accommodating cavity 122 along the first sliding groove 160 for temporary storage, and a walking space is provided for another wire feeding plate 131. During specific operation, start first motor 153 and drive gear 152 and rotate, make drive gear 152 roll on rack-type guide rail to the drive mends silk board 131 and removes, when needs hold the chamber 122 with mend silk board 131 to the second in, move mend silk board 131 to linking rail 173 earlier, then start second drive arrangement 172 and drive first slider 171 and slide in first spout 160, thereby hold the chamber 122 with mend silk board 131 and first slider 171 global movement to the second, in order to realize two alternate use of mending silk board 131, degree of automation is high.

It should be noted that, in order to guarantee the mobility stability, the guide rail 140 may be provided with two, and then the mounting bracket 151 and the drive gear 152 are also provided with two correspondingly, drive gear 152 both ends through pivot swing joint in the mounting bracket 151 can, can be connected with the loose axle between two drive gears 152, the loose axle activity runs through the mounting bracket 151, a first end-to-end connection of loose axle first motor 153, can drive two drive gears 152 and rotate simultaneously when first motor 153 starts. The first motor 153 is generally a servo motor or a stepping motor, has the functions of speed regulation and forward and reverse rotation, and can meet the use requirements of low-speed operation and reciprocating motion of the wire supplementing plate 131. The second driving device 172 may adopt an electric push rod, a telescopic cylinder or a screw rod transmission mechanism, the screw rod transmission mechanism is a motor connected to a screw rod, the screw rod threads penetrate through the first slider 171, and the second driving device 172 may also adopt other functional components capable of driving the first slider 171 to slide, which should not be limited herein.

As an optional implementation manner, a second sliding groove 180 is arranged at the top of the first accommodating cavity 121 along the length direction thereof, two sets of rotary lifting mechanisms 190 are slidably arranged in the second sliding groove 180, the bottoms of the rotary lifting mechanisms 190 are respectively connected with corresponding filament supplementing plates 131, the rotary lifting mechanisms 190 are used for driving the filament supplementing plates 131 to rotate or lift, a third sliding groove 210 is arranged at the top of the second accommodating cavity 122 along the length direction thereof, the third sliding groove 210 divides the second sliding groove 180 into two sections, a second sliding mechanism 220 is arranged in the third sliding groove 210, and the second sliding mechanism 220 is used for moving the rotary lifting mechanisms 190 into the second accommodating cavity 122. The rotary lifting mechanism 190 comprises a second motor 191 slidably arranged in the second sliding groove 180, a lifting device 192 is arranged at the bottom of the second motor 191, the bottom of the lifting device 192 is connected with a corresponding wire supplementing plate 131, the second sliding mechanism 220 comprises a second sliding block 221 matched with the second sliding groove 180, a third driving device 222 is arranged on the second sliding block 221, the third driving device 222 is used for driving the second sliding block 221 to slide in the second sliding groove 180, a linking sliding groove 223 is formed in the second sliding block 221, the linking sliding groove 223 can be spliced between the two sections of the second sliding grooves 180, and the rotary lifting mechanism 190 can slide into the linking sliding groove 223.

In this embodiment, the second sliding chute 180 provides a stable moving track for the top of the wire feeding plate 131, wherein since the airtight door 123 is disposed at the end of the first accommodating chamber 121 far from the second accommodating chamber 122 in this embodiment, in order to minimize the interference of the worker replacing the wire winding plate 132 with the inside of the airtight cabin 120, the side of the wire feeding plate 131 where the wire winding plate 132 is disposed is oriented differently during the work and the wire feeding, and the side faces the inside of the work cabin 110 during the work and the side faces the inside of the work cabin 110 during the wire winding plate 132 replacement, in this embodiment, two sets of rotating and lifting mechanisms 190 are disposed in sliding fit in the second sliding chute 180, and can drive the wire feeding plate 131 to move up and down and rotate, when the wire feeding plate 131 moves along the guide rail 140 from the direction of the wire feeding opening 111 toward the airtight door 123, or from the direction of the airtight door 123 toward the wire feeding opening 111, the wire feeding plate 131 is lifted up by the lifting device 192 in the rotating and lifting mechanisms 190, the driving gear 152 at the bottom of the wire supplementing plate 131 is disengaged from the guide rail 140, and the second motor 191 drives the wire supplementing plate 131 to rotate 180 degrees, so that the steering is completed. Moreover, after a certain wire supplementing plate 131 enters the second accommodating cavity 122, the first sliding block 171 needs to be reset so as to join the two sections of guide rails 140, at this time, the wire supplementing plate 131 in the second accommodating cavity 122 is still lifted by the lifting device 192 to be disengaged from the joining rail 173, the second driving device 172 drives the first sliding block 171 to reset into the first accommodating cavity 121 along the first sliding groove 160, and the joining rail 173 joins the two sections of guide rails 140, so that another wire supplementing plate 131 can move to the wire supplementing opening 111 smoothly through the guide rails 140 and the joining rail 173. Therefore, the matching of the driving gear 152 and the rack is adopted, so that the wire supplementing plate 131 is conveniently driven to linearly reciprocate in the first accommodating cavity 121, and the matching of the driving gear 152 and the rack is convenient for easily realizing the purposes of lifting, releasing and re-meshing.

It should be noted that the second motor 191 also adopts a stepping motor or a servo motor, which meets the use requirement. The third driving device 222 has the same structure as the second driving device 172, and the lifting device 192 may be a device component that can achieve a telescopic function by using an electric push rod. In addition, the second motor 191 can be connected in the second sliding groove 180 in a matching manner through the guide sliding block, in order that the second motor 191 can be stably separated from the previous section of the second sliding groove 180 and cross over the third sliding groove 210 until the second motor enters the next section of the second sliding groove 180 for matching, the two sections of the second sliding grooves 180 can be designed into dovetail grooves or T-shaped grooves with one ends opened towards the third sliding groove 210, the sliding block is designed into a shape matched with the dovetail grooves or the T-shaped grooves, stable separation, crossing and re-matching are facilitated, and the structural design is flexible and reliable.

As an alternative embodiment, a first sensor 230 is disposed at the bottom of the first accommodating cavity 121, the first sensor 230 is located between the airtight door 123 and the first sliding chute 160, the first sensor 230 is electrically connected to a first controller, the second motor 191 and the lifting device 192 are both electrically connected to the first controller, the second sensor 240 is disposed at the top of the first slider 171 and/or the bottom of the second slider 221, the second sensor 240 is electrically connected to a second controller, and the first motor 153, the second driving device 172 and the third driving device 222 are all electrically connected to the second controller.

In this embodiment, the first sensor 230 is used for sensing whether the wire feeding plate 131 exists or not, and when the first sensor senses that the wire feeding plate 131 exists, the first sensor can send a signal to the first controller, and the first controller sends an instruction to the second motor 191 and the lifting device 192, so as to perform the next operation of lifting and turning over the wire feeding plate 131. After sensing that the wire supplementing plate 131 passes through, the second sensor 240 can send a signal to the second controller, and the second controller determines the movement direction of the wire supplementing plate 131, and can determine whether the wire supplementing plate 131 needs to be moved into the second accommodating cavity 122, and if so, controls the second driving device 172 and the third driving device to start, and if not, controls the first motor 153 to start again, so that the intelligent degree is high.

It should be noted that, the first sensor 230 and the second sensor 240 may both adopt infrared sensors, so that the recognition performance is good, and the first controller and the second controller may adopt PLC controllers, so that the implementation is easy.

As an optional implementation manner, the wire feeding plate 131 is provided with a mounting mechanism 250, the mounting mechanism 250 includes a bolt 251 connected to the wire feeding plate 131, the bolt 251 is movably sleeved with a sleeve 252, the sleeve 252 is provided with a plurality of positioning protrusions 253 along an axial direction thereof, the center of the wire winding disc 132 is provided with a through hole 1321 matched with the sleeve 252, and the inside of the wire winding disc 132 is provided with a plurality of positioning through slots 1322 corresponding to the positioning protrusions 253 one to one along a circumferential direction of an outer edge of the through hole 1321.

In this embodiment, when the winding plate 132 is installed, the bolt 251, i.e. the screw and the nut, is used to align the through hole 1321 of the winding plate 132 with the sleeve 252, and the positioning through slots 1322 and the positioning protrusions 253 are aligned one by one, and the winding plate 132 is pushed inward, so that the winding plate 132 is assembled outside the sleeve 252, and then locked on the screw by the nut, so as to achieve the positioning and anti-drop function of the winding plate 132, because the sleeve 252 is movably sleeved on the bolt 251, the winding plate 132 can flexibly rotate along with the bolt when the wire is pulled.

As an optional implementation manner, a filament anti-falling mechanism 260 is arranged on the filament supplementing plate 131, the filament anti-falling mechanism 260 includes a guide cylinder 261 connected to the filament supplementing plate 131, a filament passing hole 262 is formed in the guide cylinder 261, an inlet end of the filament passing hole 262 is in a horn shape with a large outer part and a small inner part, at least two clamping plates 263 are arranged in the filament passing hole 262 near the outlet end, one end of the clamping plate 263 near the inlet end of the filament passing hole 262 is hinged to the inner wall of the filament passing hole 262, a pushing spring 264 is connected between the clamping plate 263 and the inner wall of the filament passing hole 262, and under the elastic force action of the pushing spring 264, the two clamping plates 263 do not contact with each other.

In this embodiment, after a new wire winding disc 132 is installed on the wire feeding surface, the end of the wire winding disc 132 is led out, passes through the guide cylinder 261, and the passing direction of the end of the wire winding disc is that the end enters from the inlet end of the wire passing hole 262 of the guide cylinder 261 and passes out from the outlet end of the wire passing hole 262, in the process of passing the wire, the inlet end of the horn-shaped wire passing hole 262262 can prevent the wire from being scratched, when the wire passes out, the two clamping plates 263 can be pushed away towards both sides, and the two clamping plates 263 can always apply inward clamping force to the wire, so as to prevent the end of the wire from falling off. Therefore, the present embodiment has the advantages that: after the wire winding disc 132 is replaced each time, the wire end position corresponding to the wire winding disc 132 can be relatively fixed, the complex control process that the wire end position needs to be found in the 3D printing setting in the working cabin 110 is avoided, and the wire end needs to be found in a small range in a specified area after the wire winding disc 132 is replaced each time.

As an optional embodiment, the system further comprises a third controller, the third controller is electrically connected to the temperature regulator 270, the air pressure regulator 280 and the humidity regulator 290, the temperature regulator 270, the air pressure regulator 280 and the humidity regulator 290 are respectively used for regulating the temperature, the air pressure and the humidity in the airtight chamber 120, the work chamber 110 and the airtight chamber 120 are respectively provided with a temperature sensor, an air pressure sensor and a humidity sensor, and the temperature sensor, the air pressure sensor and the humidity sensor are all electrically connected to the third controller.

In this embodiment, the temperature, the air pressure and the humidity in the work chamber 110 and the airtight chamber 120 can be detected by the temperature sensor, the air pressure sensor and the humidity sensor respectively, and the detected data is fed back to the third controller, and after the third controller analyzes and processes the data, the third controller generates a signal to the temperature regulator 270 and/or the air pressure regulator 280 and/or the humidity regulator 290, and performs the balance adjustment of the temperature and/or the air pressure and/or the humidity in the work chamber 110 and the airtight chamber 120, thereby realizing the automatic adjustment.

Example 2

Based on the cabin interior automatic wire supplementing system for metal 3D printing in embodiment 1, the embodiment provides an cabin interior automatic wire supplementing method for metal 3D printing, which includes the following steps:

step S1: a wire supplementing plate 131 is sealed to the wire supplementing opening 111 of the working cabin 110, the wire supplementing surface of the wire supplementing plate 131 with the wire winding disc 132 faces the inside of the working cabin 110, and the wire winding disc 132 is installed on the other wire supplementing plate 131 and temporarily stored in the first accommodating cavity 121 for standby;

step S2: monitoring the temperature, the air pressure and the humidity in the working chamber 110 and the airtight chamber 120 in real time, and keeping the temperature, the air pressure and the humidity in the airtight chamber 120 consistent with those in the working chamber 110 through the adjustment of the temperature regulator 270, the air pressure regulator 280 and the humidity regulator 290;

step S3: when the wire material on the wire supplementing plate 131 for plugging the wire supplementing opening 111 is used up, the corresponding first motor 153 is started to rotate the driving gear 152, the wire supplementing plate 131 is driven to retreat along the guide rail 140, until the second sensor 240 senses the wire supplementing plate 131, the first motor 153 stops running, the second driving device 172 and/or the third driving device 222 is started, the first sliding block 171 is driven to slide in the first sliding groove 160 into the second accommodating cavity 122, and the second sliding block 221 slides in the second sliding groove 180 into the second accommodating cavity 122;

step S4: after the wire supplementing plate 131 with used up wire materials slides into the second accommodating cavity 122, the lifting device 192 above the wire supplementing plate 131 lifts the wire supplementing plate 131, so that the driving gear 152 at the bottom of the wire supplementing plate 131 is disengaged from the engaging rail 173, the second driving device 172 is started to drive the first slide block 171 to reset, and the engaging rail 173 on the first slide block 171 is engaged with the guide rail 140 divided into two sections;

step S5: then starting a first motor 153 at the bottom of the filament supplementing plate 131 which is temporarily stored in the first accommodating cavity 121 to move the filament supplementing plate 131 towards the direction of the filament supplementing opening 111 until the first sensor 230 senses the filament supplementing plate 131, stopping the operation of the first motor 153, then lifting the filament supplementing plate 131 correspondingly to the lifting device 192 to separate the driving gear 152 at the bottom of the filament supplementing plate 131 from being meshed with the guide rail 140, driving the filament supplementing plate 131 to rotate 180 degrees by a second motor 191 to enable the filament supplementing surface of the filament supplementing plate 131 with the filament winding disc 132 to face the direction of the filament supplementing opening 111, lowering the filament supplementing plate 131 by the lifting device 192 to enable the driving gear 152 at the bottom of the filament supplementing plate 131 to be meshed with the guide rail 140 again, starting the first motor 153 to continuously drive the filament supplementing plate 131 to move towards the filament supplementing opening 111 until the filament supplementing plate 131 blocks the filament supplementing opening 111;

step S6: the second driving device 172 drives the first sliding block 171 to enter the second accommodating cavity 122 again, and the lifting device 192 above the wire supplementing plate 131 in the second accommodating cavity 122 lowers the wire supplementing plate 131, so that the driving gear 152 at the bottom of the wire supplementing plate 131 is meshed with the lower connecting rail 173 again;

step S7: the second driving device 172 and/or the third driving device 222 are/is started to drive the first sliding block 171 and the second sliding block 221 to reset simultaneously, so as to drive the wire supplementing plate 131 in the second accommodating cavity 122 to move back to the first accommodating cavity 121, and enable the connecting rail 173 on the first sliding block 171 to connect two sections of guide rails 140, and the connecting sliding groove 223 on the second sliding block 221 to connect two sections of second sliding grooves 180;

step S8: starting the first motor 153 at the bottom of the filament supplementing plate 131 in step S7, moving the filament supplementing plate 131 toward the airtight door 123 until the first sensor 230 senses that the filament supplementing plate 131 stops operating, the lifting device 192 at the top of the filament supplementing plate 131 lifts the filament supplementing plate 131, so that the driving gear 152 at the bottom of the filament supplementing plate 131 is disengaged from the guide rail 140, the filament supplementing plate 131 is driven to rotate 180 ° corresponding to the second motor 191, the filament supplementing surface of the filament supplementing plate 131 with the filament winding disc 132 faces the airtight door 123, then the lifting device 192 lowers the filament supplementing plate 131, so that the driving gear 152 at the bottom of the filament supplementing plate 131 is engaged with the guide rail 140 again, and the first motor 153 is started to continuously drive the filament supplementing plate 131 to move toward the airtight door 123 until the filament supplementing plate 131 reaches the vicinity of the airtight door 123;

step S9: adjusting the temperature, the atmospheric pressure and the humidity in the airtight chamber 120 to room temperature and normal pressure, opening the airtight door 123, replacing the new wire winding disc 132, closing the airtight door 123, and again passing through the temperature regulator 270, the air pressure regulator 280 and the humidity regulator 290 to keep the temperature, the atmospheric pressure and the humidity in the airtight chamber 120 consistent with those in the working chamber 110;

step S10: the wire feeding plate 131 staying in the first accommodation chamber 121 of the capsule 120 is put on standby, and after the wire material on the wire feeding plate 131 for closing the wire feeding port 111 is used up, the steps S3 to S9 are repeated.

The method of the embodiment overcomes the problem of time consumption caused by the fact that the cabin door of the working cabin 110 needs to be opened to replace the wire winding disc 132 in the traditional process, and does not cause fluctuation and change of the atmosphere state and/or the temperature and/or pressure environment in the working cabin 110 in the wire replenishing process, so that the connection quality defect of parts before and after wire replacement is avoided. The airtight cabin 120 with a special structure is used as a transition space for wire supplement, the turnover and moving circuit switching of the wire supplement plates 131 in the airtight cabin 120 can be realized, the replaced wire supplement plates 131 can flexibly enter the short side part for abdicating, the rapid wire supplement is ensured, the rapid wire supplement can be completed by alternately using the two wire supplement plates 131, and compared with the prior art, the wire does not need to continuously pass through the cabin wall, and the stability and reliability of the printing quality can be ensured; and a large number of wire winding discs 132 do not need to be placed in the working cabin 110 in advance, so that the structure in the working cabin 110 is simple and the equipment is simple.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims

1. An automatic under-deck mends silk system for metal 3D prints, its characterized in that includes:

the working cabin is provided with a wire supplementing opening;

the airtight cabin is connected with the working cabin and comprises a first accommodating cavity and a second accommodating cavity, the first accommodating cavity and the second accommodating cavity are perpendicular to each other, the perpendicular intersection area of the first accommodating cavity and the second accommodating cavity is over against the wire supplementing opening, and one side, far away from the wire supplementing opening, of the first accommodating cavity is provided with an airtight door;

mend the silk device, mend the silk device and be equipped with two sets ofly and all be located in the airtight cabin, mend the silk device including can with mend a mouthful complex and mend the silk board, mend and be provided with the wire winding dish on the silk board, mend the silk board and can follow first holding the intracavity and remove to mend a mouthful department, mend the silk board still can remove to the second holds the intracavity.

2. The automatic filament supplementing system in a cabin for 3D metal printing according to claim 1, wherein a guide rail is disposed at a bottom of the first accommodating cavity along a length direction of the first accommodating cavity, a tail end of the guide rail is close to the filament supplementing opening, a first driving device is disposed at a bottom of the filament supplementing plate, the first driving device is configured to drive the filament supplementing plate to move along the guide rail, a first sliding groove is disposed at a bottom of the second accommodating cavity along a length direction of the second accommodating cavity, the first sliding groove divides the guide rail into two sections, and a first sliding mechanism is disposed in the first sliding groove and configured to move the filament supplementing plate into the second accommodating cavity.

3. The automatic wire supplementing system in the cabin for 3D metal printing according to claim 2, wherein the first driving device comprises a mounting rack arranged on the wire supplementing plate, the mounting rack is close to the bottom of the wire supplementing plate, a driving gear is movably arranged in the mounting rack, the driving gear is connected with a first motor arranged on the mounting rack, the guide rail is a rack, and the driving gear is meshed with the rack.

4. The automatic filament supplying system for the cabin of 3D metal printing according to claim 3, wherein the first sliding mechanism includes a first sliding block engaged with the first sliding groove, the first sliding block is provided with a second driving device, the second driving device is used for driving the first sliding block to slide in the first sliding groove, the top of the first sliding block is provided with an engaging rail, the engaging rail can be spliced between two sections of the guide rails, and the engaging rail is a rack.

5. The automatic filament supplementing system in the cabin for 3D metal printing according to claim 4, wherein a second sliding groove is disposed at a top portion of the first accommodating cavity along a length direction of the first accommodating cavity, two sets of rotary lifting mechanisms are slidably disposed in the second sliding groove, bottoms of the rotary lifting mechanisms are respectively connected to corresponding filament supplementing plates, the rotary lifting mechanisms are used for driving the filament supplementing plates to rotate or lift, a third sliding groove is disposed at a top portion of the second accommodating cavity along a length direction of the second accommodating cavity, the third sliding groove divides the second sliding groove into two sections, a second sliding mechanism is disposed in the third sliding groove, and the second sliding mechanism is used for moving the rotary lifting mechanisms into the second accommodating cavity.

6. The automatic filament supplementing system in a cabin for 3D metal printing according to claim 5, wherein the rotary lifting mechanism includes a second motor slidably disposed in a second sliding groove, a lifting device is disposed at a bottom of the second motor, a bottom of the lifting device is connected to a corresponding filament supplementing plate, the second sliding mechanism includes a second sliding block engaged with the second sliding groove, a third driving device is disposed on the second sliding block, the third driving device is configured to drive the second sliding block to slide in the second sliding groove, an engagement sliding groove is disposed on the second sliding block, the engagement sliding groove is capable of being engaged between two sections of the second sliding groove, and the rotary lifting mechanism is capable of sliding into the engagement sliding groove.

7. The automatic in-cabin wire feeding system for 3D metal printing according to claim 6, wherein a first sensor is disposed at a bottom of the first accommodating cavity, the first sensor is located between the airtight door and the first sliding chute, the first sensor is electrically connected to a first controller, the second motor and the lifting device are electrically connected to the first controller, a second sensor is disposed at a top of the first sliding block and/or at a bottom of the second sliding block, the second sensor is electrically connected to a second controller, and the first motor, the second driving device and the third driving device are electrically connected to the second controller.

8. The automatic in-cabin wire feeding system for 3D metal printing according to any one of claims 1 to 7, wherein a mounting mechanism is arranged on the wire feeding plate, the mounting mechanism comprises a bolt connected to the wire feeding plate, a sleeve is movably sleeved on the bolt, a plurality of positioning protrusions are arranged on the sleeve along the axial direction of the sleeve, a through hole matched with the sleeve is formed in the center of the wire winding disc, and a plurality of positioning through grooves corresponding to the positioning protrusions in a one-to-one manner are formed in the wire winding disc along the circumferential direction of the outer edge of the through hole.

9. The automatic in-cabin filament supplying system for 3D metal printing according to any one of claims 1 to 7, wherein a filament preventing mechanism is arranged on the filament supplying plate, the filament preventing mechanism comprises a guide cylinder connected to the filament supplying plate, a filament passing hole is formed in the guide cylinder, an inlet end of the filament passing hole is in a horn shape with a large outside and a small inside, at least two clamping plates are arranged in the filament passing hole and close to the outlet end, one end of each clamping plate close to the inlet end of the filament passing hole is hinged to the inner wall of the filament passing hole, and a pushing spring is connected between each clamping plate and the inner wall of the filament passing hole.

10. The system according to any one of claims 1 to 7, further comprising a third controller, wherein the third controller is electrically connected to a temperature regulator, an air pressure regulator and a humidity regulator, the temperature regulator, the air pressure regulator and the humidity regulator are used for regulating temperature, air pressure and humidity in the airtight chamber, the working chamber and the airtight chamber are respectively provided with a temperature sensor, an air pressure sensor and a humidity sensor, and the temperature sensor, the air pressure sensor and the humidity sensor are electrically connected to the third controller.