CN206968001U - A kind of 3D printer wire rod fusion splicing devices - Google Patents

Abstract

A 3D printer wire welding device, including a first wire slot base, a second wire slot base, a first wire pressing plate assembly, a second wire pressing plate assembly, a first locking and quick release device, a second locking and quick release device, laser welding Device, first guide pressurization assembly, second guide pressurization assembly, platform, 4 guide platen assemblies, wire rods at the pressing end, wire rods at the fixed end, carbon dioxide laser generator, 4 bolt assemblies, control device, first rotary shaft The assembly, the second rotary shaft assembly and the temperature sensing device use laser for wire welding, the heating environment is clean, and the joint strength is high; it can be used for the continuation of the wire when printing products, and can also be used for the welding of the remaining wire material head; The difference between the diameter of the wire butt fusion part and the wire diameter is small, and it can be used directly without trimming after welding; the rubber pressure pad structure is adopted, which is suitable for welding of wires with different diameters; the heating temperature of the welding part can be effectively controlled to avoid overheating focus material.

Description

A 3D printer wire welding device

technical field

The utility model belongs to the technical field of 3D printers, in particular to a wire welding device for 3D printers.

Background technique

FDM-type 3D printers use hot-melt linear materials as raw materials. The equipment is simple, easy to operate, fast in printing speed, high in raw material utilization, and easy to print parts with complex shapes, so they are widely used.

When the FDM type 3D printer is working, the thermoplastic wire is sent from the wire feeding mechanism to the hot-melt nozzle, heated and melted into a semi-liquid state, and then extruded from the nozzle. Under the control of the computer, according to the cross-sectional profile information of the product, selectively Coated on the workbench, after the cross-section of one layer is printed, the workbench is lowered to a certain height, and then the next layer of cladding is carried out, and the 3D model of the product is finally formed.

In most cases, the wire used in the FDM 3D printer is wound on a special wire reel. Obviously, the length of a single wire that can be wound on each reel is limited. When building large-scale products, if the filaments cannot be spliced in time, the printing will fail. At the same time, after the printing task is completed, there will be some wires left, which may not be used in time because they are not enough to complete the new printing task, resulting in idleness and waste.

Contents of the invention

In order to overcome the above-mentioned shortcomings of the prior art, the purpose of this utility model is to provide a 3D printer wire welding device, which uses a laser beam to heat the ends of two wires, and squeezes the two ends together by means of a pressurizing mechanism. Promote its fusion, and finally get an extended wire, which is used to meet the needs of 3D printing.

In order to achieve the above object, the technical scheme that the utility model takes is:

A wire welding device for a 3D printer, comprising a first wire slot base, a second wire slot base, a first wire pressing plate assembly, a second wire pressing plate assembly, a first locking and quick release device, a second locking and quick release device, laser welding Device, first guide pressurization assembly, second guide pressurization assembly, platform, 4 guide platen assemblies, wire rods at the pressing end, wire rods at the fixed end, carbon dioxide laser generator, 4 bolt assemblies, control device, first rotary shaft assembly, second rotary axis assembly, and temperature sensing device. Wherein, the first wire trough base and the second wire trough base have V-shaped wire release grooves respectively; the first wire pressing plate assembly includes the first wire pressing plate and the first rubber pressing pad; the second wire pressing plate assembly includes the second wire pressing plate and the second wire pressing plate Two rubber pressure pads; the first quick-release locking device includes the first locking screw, the first lock nut, the first locking washer and the first suspension assembly; the second locking quick-release device includes the second locking screw, The second lock nut, the second lock washer and the second suspension assembly; the laser welding device includes the first welding half shaft and the second welding half shaft; the first guide and pressure assembly includes the first guide screw, the first pressure spring pad sheet and the first compression spring; the second guide pressurization assembly includes the second guide screw, the second compression spring gasket and the second compression spring; the carbon dioxide laser generating device includes a column, a carbon dioxide laser generator, a laser beam and the first power supply and The control signal wiring harness; the temperature sensing device includes a non-contact temperature sensor and a second power supply and control signal wiring harness.

The platform is equipped with a first wire slot base, a second wire slot base, 4 guide plate assemblies, a carbon dioxide laser generator, a bolt assembly, a control device and a temperature sensing device; the second wire slot base is fixed on the platform through the bolt assembly Above: the first wire slot base can move horizontally along the platform to the second wire slot base under the constraints of the four guide platen assemblies.

There is a V-shaped wire release groove on the base of the first wire groove, which is used to place the wire rod at the crimping end.

There is a V-shaped wire release groove on the base of the second wire groove, which is used to place the fixed end wire.

The first wire pressing plate assembly is installed on the base of the first wire slot by using the first rotary shaft assembly, and can rotate around the axis of the first rotary shaft assembly; the first rubber pressure pad has certain plasticity and can be used to fix different diameter wire.

The second wire pressing plate assembly is installed on the base of the second wire trough by the second rotary shaft assembly, and can rotate around the axis of the second rotary shaft assembly; the second rubber pressure pad has certain plasticity and can be used to fix different diameters of wire.

The first locking and quick-release device is installed on the base of the first trunking by using the first suspension assembly, and can rotate around the axis of the first suspension assembly; the first locking and quick-release device can hold the first wire pressing plate assembly Press and lock on the base of the first wire slot, so that the wire at the pressing end can be fixed in the V-shaped wire slot of the base of the first wire slot; after the wire at the pressing end and the wire at the fixed end are welded, it can be released The first locking nut is to turn the first locking screw down around the axis of the first suspension assembly, so that the first wire pressing plate assembly can be rotated and opened around the first rotary shaft assembly, so that the V-shaped Take out the welded wires in the wire trough.

The second locking and quick release device is installed on the base of the second trunking by means of the second suspension assembly, and can rotate around the axis of the second suspension assembly; the second locking and quick release device can press the second wire pressing plate assembly Fit it on the base of the second wire slot and lock it so that the wire at the fixed end is fixed in the V-shaped wire slot of the base of the second wire slot; after the wire at the fixed end and the wire at the pressing end are welded, the second lock can be released nut, turn the second locking screw down around the axis of the second suspension assembly, so that the second wire clamp assembly can be rotated and opened around the second rotary shaft assembly, so as to be taken out from the V-shaped wire slot of the second wire slot base Wires welded together.

The laser welding device is made of glass material, which can transmit the infrared laser beam with a wavelength of 10.6 μm generated by the carbon dioxide laser generating device with a small energy loss; the first welding semi-axis is installed on the second wire pressing plate assembly; The second welding half shaft is installed on the base of the second wire groove, and two position lines are engraved on it to mark the butt joint area of the wire rod at the pressing end and the wire rod at the fixed end; Under the function of the device, it is pressed on the base of the second slot and locked, the first welding semi-axis and the second welding semi-axis are combined into a cylinder, and a wire at the pressing end and a fixed end are formed at the axis of the cylinder. The diameter size of the wire forms a central hole with a small gap fit; the wire at the press-fit end and the wire at the fixed end respectively pass through the center hole surrounded by the first half-axis of welding and the second half-axis of welding from the two ends of the laser welding device, and The middle part of the center hole corresponds to the docking area marked by the two position lines to realize the docking; under the joint action of the first guiding and pressing component and the second guiding and pressing component, the two end faces of the wire at the pressing end and the wire at the fixed end are butted Tightly press together, and realize welding under the action of the laser beam generated by the carbon dioxide laser generator; the wire used in the FDM type 3D printer has a common diameter of 1.75mm and 3.00mm, so two types of wires are designed and prepared. The laser welding device is used for welding 1.75mm and 3.00mm wire respectively.

The first lead screw of the first guide and pressurization assembly passes through the through hole of the first wire slot base in the form of a small clearance fit, and is threadedly installed on the second wire slot base; similarly, the second The second lead screw of the guide pressurization assembly passes through the through hole of the first wire slot base in the form of a small clearance fit, and is installed on the second wire slot base in a threaded manner; rotate the first lead screw and the second lead screw , adjust the compression of the first compression spring and the second compression spring, and drive the first wire base to move horizontally along the platform to the second slot base under the constraints of the four guide platen assemblies, so that the end surface of the wire at the pressing end is in the laser The end faces of the wires in the welding device and the fixed end are pressed together with a certain pressure.

The wires at the press-fitting end and the wires at the fixed end are wires made of PLA and ABS with diameters of 1.75 mm and 3.00 mm, made of the same material and diameter.

The carbon dioxide laser generating device uses the first power supply and the control signal harness to obtain electric energy and control signals from the control device; under the action of the control signal sent by the control device, the carbon dioxide laser generator can rotate 90° around the axis of the column to Avoid collision between the first semi-axis of the laser welding device and the carbon dioxide laser generator when the second wire pressing plate assembly is rotated and opened around the second rotary shaft assembly.

The temperature sensing device is used to collect the welding temperature information of the bonding end wire and the fixed end wire in the laser welding device, and transmit it to the control device by using the second power supply and the control signal harness; the temperature sensing device also passes the first The second power supply and control signal wiring harness obtains electric energy from the control device.

The control device can set the energy density parameter value of the laser beam, and adjust the energy density value of the laser beam of the carbon dioxide laser generator through the first power supply and the control signal wire harness, so as to adapt to the welding needs of different materials and different diameters of wire rods; the control device The welding temperature parameter value can be set, and the temperature sensing device can be used to collect the heating temperature of the welding part of the pressing end wire and the fixed end wire in the laser welding device. When the heating temperature reaches the set welding temperature parameter value, through the first power supply and control The signal harness sends a shutdown signal to the carbon dioxide laser generator.

The beneficial effects of the utility model are:

This method uses laser for wire welding, the heating environment is clean, and the joint strength is high; it can be used for continuous connection of wire when printing products, and can also be used for welding of the remaining wire material head; the diameter of the butt fusion part of the wire is slightly different from the diameter of the wire , It can be used directly after welding without trimming; it adopts rubber pressure pad structure, which is suitable for welding of wires with different diameters; it can effectively control the heating temperature of the welding part to avoid burning the material when the temperature is too high.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a further structural schematic diagram of the utility model.

Fig. 3 is a schematic top view of the utility model.

Fig. 4 is a schematic diagram of the 90° rotation position of the carbon dioxide laser generator.

Among them, 1 is the first wire groove base; 2 is the second wire groove base; 3 is the first wire pressing plate assembly; 31 is the first wire pressing plate; 32 is the first rubber pressure pad; 4 is the second wire pressing plate assembly; 41 is The second wire pressing plate; 42 is the second rubber pressure pad; 5 is the first quick release locking device; 51 is the first locking screw; 52 is the first locking nut; 53 is the first locking washer; 54 is the first locking washer A suspension assembly; 6 is the second locking and quick release device; 61 is the second locking screw; 62 is the second locking nut; 63 is the second locking washer; 64 is the second suspension assembly; 7 is the laser welding device ; 71 is the first welding half shaft; 72 is the second welding half shaft; 8 is the first guide pressurization assembly; 81 is the first guide screw; 82 is the first compression spring gasket; 83 is the first compression spring; 9 91 is the second guide screw; 92 is the second compression spring washer; 93 is the second compression spring; 100 is the platform; 110 is the guide plate; 140 is a carbon dioxide laser generating device; 141 is a column; 142 is a carbon dioxide laser generator; 143 is a laser beam; 144 is a first power supply and control signal harness; 150 is a bolt assembly; 160 is a control device; 170 is a first 180 is a second rotary shaft assembly; 190 is a temperature sensing device; 191 is a non-contact temperature sensor; 192 is a second power supply and control signal harness.

Detailed ways

The utility model is further described below by accompanying drawing.

As shown in Figures 1, 2, 3, and 4, a 3D printer wire welding device includes a first wire slot base 1, a second wire slot base 2, a first wire pressing plate assembly 3, a second wire pressing plate assembly 4, a first Locking and quick release device 5, second locking and quick release device 6, laser welding device 7, first guide pressurization assembly 8, second guide pressurization assembly 9, platform 100, four guide platen assemblies 110, press end Wire 120 , fixed end wire 130 , carbon dioxide laser generator 140 , four bolt assemblies 150 , control device 160 , first rotary shaft assembly 170 , second rotary shaft assembly 180 and temperature sensing device 190 . Wherein, the first wire slot base 1 and the second wire slot base 2 respectively have V-shaped wire slots; the first wire pressing plate assembly 3 includes a first wire pressing plate 31 and a first rubber pressing pad 32; the second wire pressing plate assembly 4 includes The second wire pressing plate 41 and the second rubber pressing pad 42; the first quick release locking device 50 includes a first locking screw 51, a first locking nut 52, a first locking washer 53 and a first suspension assembly 54; The second locking and quick release device 6 includes a second locking screw 61, a second locking nut 62, a second locking washer 63 and a second suspension assembly 64; the laser welding device 7 includes a first welding semi-axis 71 and a second welding half shaft Half shaft 72; the first guide and press assembly 8 includes a first guide screw 81, a first compression spring washer 82 and a first compression spring 83; the second guide and press assembly 9 includes a second guide screw 91, a second compression spring Gasket 92 and second compression spring 93; Carbon dioxide laser generating device 140 comprises column 141, carbon dioxide laser generator 142, laser beam 143 and first power supply and control signal wiring harness 144; Temperature sensing device 190 comprises non-contact temperature sensor 191 and a second power and control signal wiring harness 192 .

The platform 100 is equipped with a first wire slot base 1, a second wire slot base 2, four guide plate assemblies 110, a carbon dioxide laser generator 140, a bolt assembly 150, a control device 160, and a temperature sensing device 190; The trough base 2 is fixed on the platform 100 by the bolt assembly 150 ; the first wire trough base 1 can move horizontally along the platform 100 to the second wire trough base 2 under the constraints of the four guide platen assemblies 110 .

The first wire slot base 1 has a V-shaped wire release slot for placing the wire 120 at the crimping end.

There is a V-shaped wire release groove on the second wire groove base 2 for placing the fixed end wire 130 .

The first wire pressing plate assembly 3 is installed on the first trunking base 1 by the first rotary shaft assembly 170, and can rotate around the axis of the first rotary shaft assembly 170; the first rubber pressure pad 32 has a certain plasticity , can be used to fix wires of different diameters.

The second wire pressing plate assembly 4 is installed on the second trunking base 2 by the second rotary shaft assembly 180, and can rotate around the axis of the second rotary shaft assembly 180; the second rubber pressure pad 42 has certain plasticity, Can be used to hold wires of different diameters.

The first locking and quick-release device 5 is installed on the first trunking base 1 using the first suspension assembly 54, and can rotate around the axis of the first suspension assembly 54; the first locking and quick-release device 5 can The first wire pressing plate assembly 3 is pressed and locked on the first wire slot base 1, so that the pressing end wire 120 is fixed in the V-shaped wire release slot of the first wire slot base 1; when the pressing end wire 120 and After the fixed-end wire 130 is welded, the first locking nut 52 can be loosened, and the first locking screw 51 can be rotated and put down around the axis of the first suspension assembly 54, so that the first wire pressing plate assembly 3 can be wound around the axis of the first suspension assembly 54. The rotating shaft assembly 170 is rotated to open, so that the welded wires can be taken out from the V-shaped wire releasing groove of the first wire groove base 1 .

The second locking and quick release device 6 is installed on the second trunking base 2 by means of the second suspension assembly 64, and can rotate around the axis of the second suspension assembly 64; the second locking and quick release device 6 can turn the first The second wire pressing plate assembly 4 is pressed and locked on the second wire slot base 2, so that the fixed end wire 130 is fixed in the V-shaped wire release groove of the second wire slot base 2; when the fixed end wire 130 and the pressed end wire 120 After welding, the second locking nut 62 can be loosened, and the second locking screw 61 can be rotated down around the axis of the second suspension assembly 64, so that the second wire pressing plate assembly 4 can rotate around the second rotary shaft assembly 180 Open it so that the wire rods welded together can be taken out from the V-shaped wire release groove of the second wire groove base 2.

The laser welding device 7 is made of glass material, which allows the infrared laser beam of 10.6 μm wavelength generated by the carbon dioxide laser generator 140 to pass through with a small energy loss; the first welding semi-axis 71 is installed on the second wire pressing plate On the component 4; the second welding semi-axis 72 is installed on the second trunking base 2, and two position lines 73 are engraved on it to mark the butt joint area of the pressing end wire 120 and the fixed end wire 130; when the second wire After the pressing plate assembly 4 is pressed and locked on the second slot base 2 under the action of the second locking and quick-release device 6, the first welding semi-axis 71 and the second welding semi-axis 72 are combined into a cylinder, and on the cylinder The body axis is surrounded by a central hole that forms a small gap with the diameter of the pressing end wire 120 and the fixed end wire 130; the pressing end wire 120 and the fixed end wire 130 are respectively inserted into the The central hole surrounded by the first welding semi-axis 71 and the second welding semi-axis 72, and the middle part of the central hole corresponds to the docking area marked by the two position lines 73 to realize the butt joint; Under the joint action of the two guiding and pressing components 9, the two end faces of the wire rod 120 at the pressing end and the wire rod at the fixed end 130 are tightly pressed together, and the welding is realized under the action of the laser beam 143 generated by the carbon dioxide laser generating device 140; The diameters of wires used in FDM 3D printers are commonly 1.75mm and 3.00mm, so two types of laser welding devices are designed and prepared for welding 1.75mm and 3.00mm wires respectively.

The first lead screw 81 of the first guide and pressurization assembly 8 passes through the through hole of the first wire slot base 1 in the form of a small clearance fit, and is mounted on the second wire slot base 2 in a threaded manner; similarly Yes, the second lead screw 91 of the second guide pressurization assembly 9 passes through the through hole of the first wire slot base 1 in the form of a small clearance fit, and is installed on the second wire slot base 2 in a threaded manner; A lead screw 81 and a second lead screw 91 adjust the compression of the first compression spring 83 and the second compression spring 93, and drive the first wire base 10 to move along the platform 100 to the second under the constraints of the four guide platen assemblies 110. The base 2 of the second wire groove moves horizontally, so that the end surface of the wire 120 at the pressing end is pressed together with the end surface of the wire 130 at the fixed end in the laser welding device 7 with a certain pressure.

The wires 120 at the crimping end and the wires 130 at the fixed end are made of PLA and ABS with the same material and the same diameter with a diameter of 1.75 mm and 3.00 mm.

The carbon dioxide laser generator 140 uses the first power supply and the control signal harness 144 to obtain electric energy and control signals from the control device 160; The axis is rotated by 90° to avoid collision between the first semi-axis 71 of the laser welding device 7 and the carbon dioxide laser generator 142 when the second wire platen assembly 4 rotates around the second rotary shaft assembly 180 to open.

The temperature sensing device 190 is used to collect the welding temperature information of the bonding end wire 120 and the fixed end wire 130 in the laser welding device 7, and transmit it to the control device 160 by using the second power supply and the control signal harness 192; The sensing device also obtains power from the control device 160 through the second power and control signal harness 192 .

The control device 160 can set the laser beam energy density parameter value, and adjust the energy density value of the laser beam 143 of the carbon dioxide laser generator 140 through the first power supply and the control signal harness 144, so as to adapt to the welding of different materials and different diameter wires Need; the control device 160 can set the welding temperature parameter value, and use the temperature sensing device 190 to collect the heating temperature of the welding part of the pressing end wire 120 and the fixed end wire 130 in the laser welding device 7, when the heating temperature reaches the set welding temperature parameter value, send a shutdown signal to the carbon dioxide laser generator 140 through the first power supply and control signal harness 144 .

Working principle steps:

1) Select a laser welding device corresponding to the diameter of the welded wire; install the first half shaft for welding on the second wire pressing plate assembly; install the second half shaft for welding on the base of the second wire slot;

2) Cut the welding end faces of the wire rods at the pressing end and the wire rods at the fixed end separately so that they are perpendicular to the wire axis;

3) Use alcohol to clean the welded part of the wire at the pressing end and the wire at the fixed end;

4) Place the wire at the fixed end in the semicircle center hole of the second welding half shaft and the V-shaped wire slot of the base of the second wire slot, and ensure that the end face of the wire at the fixed end is in the docking area marked by the two position lines;

5) Turn the second locking and quick-release device around the axis of the second suspension assembly above the second wire clamp assembly, and tighten the second lock nut so that the second wire clamp assembly is compressed and locked on the second wire slot base, so that the fixed-end wire can be fixed in the center hole of the laser welding device and the V-shaped wire slot of the second slot base;

6) Place the wire at the pressing end in the V-shaped wire slot of the base of the first wire slot, and then insert the end of the wire at the pressing end into the center hole of the laser welding device to ensure that it is in the docking area marked by the two position lines The end face of the wire at the inner pressing end is connected to the end face of the wire at the fixed end;

7) Turn the first locking and quick-release device around the axis of the first suspension assembly above the first wire clamp assembly, and tighten the first lock nut so that the first wire clamp assembly is compressed and locked on the first On the wire slot base, so as to fix the wire at the pressing end in the center hole of the laser welding device and the V-shaped wire slot of the first wire slot base;

8) Tighten the first guide screw to compress the first compression spring, and tighten the second guide screw to compress the second compression spring, so as to provide elastic force to push the base of the first wire slot along the platform to the second under the constraints of the four guide platen assemblies. The base of the second wire groove moves horizontally, so that the end surface of the wire at the pressing end is pressed together with the end surface of the wire at the fixed end in the laser welding device with a certain pressure;

9) Start the control device;

10) On the control device, set the welding temperature parameter value corresponding to the wire at the pressing end and the wire at the fixed end; when the material of the wire at the pressing end and the wire at the fixed end is ABS, set the welding temperature parameter value to 240°C; When the material of the pressing end wire and the fixed end wire is PLA, the welding temperature parameter value is set to 210°C;

11) On the control device, set the laser beam energy density parameter value corresponding to the welding temperature parameter value;

12) The control device uses the first power supply and control signal harness to start the carbon dioxide laser generator, and uses the second power supply and control signal harness to start the non-contact temperature sensor;

13) The control device sends a driving control signal; the carbon dioxide laser generator rotates 90° around the axis of the column under the action of the driving control signal, and rotates from position A to position B;

14) The control device sends out a laser beam generation signal; the carbon dioxide laser generator generates a laser beam according to the laser beam energy density parameter value set on the control device; the laser beam passes through the first welding semi-axis made of glass material, and irradiates on the pressing end The butt joint of the two end faces of the wire and the fixed end wire; under the action of the energy provided by the laser beam, the materials at the butt end of the pressed end wire and the fixed end wire begin to melt; the first compression spring and the second compression spring Under the action of the provided elastic force, the end surface of the wire at the pressing end and the end surface of the wire at the fixed end are always pressed together with a certain pressure during the fusion process in the laser welding device, so as to promote the full fusion of the two to ensure the welding quality ;

15) The non-contact temperature sensor collects the heating temperature information of the welding part of the pressing end wire and the fixed end wire in the laser welding device in real time, and transmits it to the control device by using the second power supply and the control signal harness; when the laser welding device When the heating temperature reaches the welding temperature parameter value set on the control device, the control device sends a shutdown signal to the carbon dioxide laser generator through the first power supply and the control signal harness;

16) The non-contact temperature sensor continues to collect the heating temperature information of the welding part of the pressing end wire and the fixed end wire in the laser welding device; The temperature information collection work of the contact temperature sensor;

17) The control device sends a driving control signal; the carbon dioxide laser generator rotates 90° around the axis of the column under the action of the driving control signal, and rotates from position B to position A;

18) Loosen the first lock nut and the second lock nut, rotate the first lock screw and the second lock screw around the axis of the first suspension assembly and the second suspension assembly respectively and place them on the platform;

19) Rotate and open the first wire clamp assembly and the second wire clamp assembly around the axes of the first rotary shaft assembly and the second rotary shaft assembly;

20) Take out the wire that is welded into one by the wire at the pressing end and the wire at the fixed end from the V-shaped wire release trough of the first wire slot base and the second wire slot base;

21) The wire laser welding work is over.

Claims (10)

1. a kind of 3D printer wire rod fusion splicing devices, including platform（100）, it is characterised in that described platform（100）Provided with One wire casing base（1）, the second wire casing base（2）, 4 guide pressing plate components（110）, carbon dioxide laser generating means（140）、 Bolt assembly（150）, control device（160）And temperature sensing device（190）；Second wire casing base（2）Pass through bolt assembly （150）It is fixed on platform（100）On；First Line bottom land seat（1）In 4 guide pressing plate components（110）Constraint under along platform （100）To the second wire casing base（2）Move horizontally, the first wire rod Anchor plate kit（3）Including the first wire rod pressing plate（31）With first Rubber press pad（32）；Second wire rod Anchor plate kit（4）Including the second wire rod pressing plate（41）With the second rubber press pad（42）；First is fast Unload locking device（5）Including the first tie down screw（51）, the first locking nut（52）, the first lock washer（53）With the first suspension Component（54）；Second locking Quick-disassembling device（6）Including the second tie down screw（61）, the second locking nut（62）, the second lock pad Circle（63）With the second suspension assembly（64）；Laser welding device（7）Including the first welding semiaxis（71）With the second welding semiaxis （72）；First is oriented to pressure-applying unit（8）Including the first guide spiro rod（81）, the first stage clip pad（82）With the first stage clip（83）； Second is oriented to pressure-applying unit（9）Including the second guide spiro rod（91）, the second stage clip pad（92）With the second stage clip（93）；Titanium dioxide Carbon generating device of laser（140）Including column（141）, carbon dioxide laser generator（142）, laser beam（143）With the first electricity Source and control signal wire harness（144）；Temperature sensing device（190）Including non-contact temperature sensor（191）And second source With control signal wire harness（192）.

A kind of 2. 3D printer wire rod fusion splicing devices according to claim 1, it is characterised in that First Line bottom land seat（1） With the second wire casing base（2）It is upper to have V-type unwrapping wire groove respectively；Described First Line bottom land seat（1）On have V-type unwrapping wire groove, for putting Put pressing end line material（120）；The second described wire casing base（2）On have V-type unwrapping wire groove, for placing fixing end wire rod（130）.

A kind of 3. 3D printer wire rod fusion splicing devices according to claim 1, it is characterised in that the first described wire rod pressure Board component（3）Utilize the first revolution shaft assembly（170）Installed in First Line bottom land seat（1）On, and can be around the first gyroaxis group Part（170）Axis rotate；First rubber press pad（32）With certain plasticity；The second described wire rod Anchor plate kit（4）Profit With the second revolution shaft assembly（180）Installed in the second wire casing base（2）On, and can be around the second revolution shaft assembly（180）Axle Line rotates；Second rubber press pad（42）With certain plasticity.

4. a kind of 3D printer wire rod fusion splicing devices according to claim 1, it is characterised in that the first described locking is fast Handler（5）Utilize the first suspension assembly（54）Installed in First Line bottom land seat（1）On, and can be around the first suspension assembly（54） Axis rotate；The second described locking Quick-disassembling device（6）Utilize the second suspension assembly（64）Installed in the second wire casing base（2） On, and can be around the second suspension assembly（64）Axis rotate.

A kind of 5. 3D printer wire rod fusion splicing devices according to claim 1, it is characterised in that described laser welding dress Put（7）It is made up of glass material, the first welding semiaxis（71）It is installed on the second wire rod Anchor plate kit（4）On；Second welding semiaxis （72）Installed in the second wire casing base（2）On, two positions line are carved with thereon（73）, to identify pressing end line material（120）With Fixing end wire rod（130）Docking region.

6. a kind of 3D printer wire rod fusion splicing devices according to claim 1, it is characterised in that described first, which is oriented to, to be added Press component（8）The first guide spiro rod（81）, First Line bottom land seat is passed through in the form of small―gap suture coordinates（10）Through hole, with spiral shell Line connected mode is installed on the second wire casing base（2）On；Second is oriented to pressure-applying unit（9）The second guide spiro rod（91）, with small The form that gap coordinates passes through First Line bottom land seat（1）Through hole, the second wire casing base is installed on threadably（2） On.

A kind of 7. 3D printer wire rod fusion splicing devices according to claim 1, it is characterised in that described pressing end line material （120）With fixing end wire rod（130）Using the identical material of a diameter of 1.75mm, 3.00mm made of material PLA, ABS, identical The wire rod of diameter.

8. a kind of 3D printer wire rod fusion splicing devices according to claim 1, it is characterised in that described carbon dioxide swashs Light generating apparatus（140）Utilize the first power supply and control signal wire harness（144）From control device（160）Obtain electric energy and control is believed Number.

A kind of 9. 3D printer wire rod fusion splicing devices according to claim 1, it is characterised in that described TEMP dress Put（190）Utilize second source and control signal wire harness（192）Pass to control device（160）；Temperature sensing device also passes through Second source and control signal wire harness（192）From control device（160）Obtain electric energy.

A kind of 10. 3D printer wire rod fusion splicing devices according to claim 1, it is characterised in that described control device （160）Pass through the first power supply and control signal wire harness（144）Regulation of carbon dioxide generating device of laser（140）Laser beam 143 Energy density values.