CN110733180A - Multi-nozzle 3D printing device and equipment and system comprising same - Google Patents

Abstract

The invention provides multi-nozzle 3D printing devices capable of printing multiple products times, and equipment and a system comprising the same, wherein the multi-nozzle 3D printing device is characterized by comprising a machine head and a nozzle group frame module, wherein the nozzle group frame module is installed at the bottom of the machine head, the nozzle group frame module is provided with at least nozzle group frames, the nozzle group frames are arranged side by side at intervals, the nozzle group frame is provided with a mounting piece and a plurality of nozzle modules which are arranged on the mounting piece at intervals, the nozzle modules are provided with nozzles which are arranged at the inner bottom ends of the nozzle modules, spray holes extend out of the nozzle modules and face a printing workbench, and the nozzle group frames can move horizontally and vertically in the printing process.

Description

Multi-nozzle 3D printing apparatus and apparatus and systems including the same

technical field

The present invention relates to a 3D printing device and a device and system including the same, in particular to a multi-nozzle 3D printing device capable of printing multiple products at one time, and the device and system including the same.

Background technique

Now the items produced by 3D printing equipment are often customized, and only one piece is produced at a time, so it is often a set of nozzles. Even if there are dual nozzles, they are used to print one product, and it is inherent to not be able to print more products at the same time. defect.

SUMMARY OF THE INVENTION

The present invention is made to solve the above-mentioned problems, and the purpose is to provide a multi-nozzle 3D printing device capable of printing multiple products at one time, as well as equipment and systems including the same.

In order to achieve the above object, the present invention adopts the following scheme:

One object of the present invention is to provide a multi-nozzle 3D printing device, which is characterized by comprising: a machine head; Nozzle group racks are arranged side by side and at intervals, the nozzle group rack has a mounting piece and a plurality of nozzle modules mounted on the mounting piece at intervals, the nozzle module has a bottom end of the nozzle set and the nozzle holes extend out of the nozzle module and face the printing table. Nozzles and nozzle groups can move horizontally and vertically during the printing process.

The multi-nozzle 3D printing device provided by the present invention also has the following characteristics: wherein, the nozzle module further has a wire feeding unit and a heating unit arranged inside the nozzle module, and the wire feeding unit conveys the printing material from the wire storage barrel during printing. Conveying; the heating unit receives the printing material conveyed by the wire feeding unit during printing, and heats the material to obtain molten material in a molten state and sends it to the nozzle.

The multi-nozzle 3D printing device provided by the present invention also has the following characteristics: wherein, the mounting member has a plurality of nozzle module installation grooves corresponding to the plurality of nozzle modules respectively, the cross-section of the nozzle module installation groove is an inverted trapezoid, and the nozzle The cross section of the module is also in the shape of an inverted trapezoid, and the nozzle module is installed in the nozzle module installation slot by matching its cross section with the cross section of the nozzle module installation slot.

The multi-nozzle 3D printing device provided by the present invention also has the following characteristics: the mounting member further has a plurality of pairs of nozzle module mounting rails corresponding to the plurality of nozzle modules respectively, and the paired nozzle module mounting rails are spaced along each nozzle module. The arrangement directions are respectively arranged on both sides of the mounting piece, and the two sides of the nozzle module and the corresponding pair of two nozzle module mounting rails are respectively fixed by screws.

The multi-nozzle 3D printing device provided by the present invention also has the following feature: the nozzle assembly frame module further has installation parts corresponding to each nozzle assembly frame, wherein the installation parts are arranged on the top of the mounting parts of the corresponding nozzle assembly frame , the bottom of the machine head is provided with a mounting groove for a group frame, and the corresponding mounting parts of each nozzle group frame are respectively installed in the group frame mounting groove at intervals.

The multi-nozzle 3D printing device provided by the present invention also has the following characteristics: the nozzle assembly frame module further has a mounting portion, wherein there are multiple nozzle assembly frames, and the mounting portion is arranged on the top of each mounting part of the multiple nozzle assembly frames, The bottom of the machine head has a mounting slot for the rack, and the mounting part is installed in the mounting slot for the rack.

The multi-nozzle 3D printing device provided by the present invention also has the following characteristics: wherein the machine head can move horizontally or up and down, and the nozzle group frame drives the machine head to move horizontally or up and down during the printing process. move.

The multi-nozzle 3D printing device provided by the present invention also has the following characteristics: wherein, the mounting part can move horizontally or up and down in the mounting groove of the frame assembly during printing, and the nozzle assembly frame can be moved horizontally or vertically through the mounting part during the printing process. It moves up and down to drive it to move horizontally or up and down.

Another object of the present invention is to provide a multi-nozzle 3D printing device, which is characterized by comprising: a multi-nozzle 3D printing device; and a driving device, which drives the nozzle assembly in the multi-nozzle 3D printing device during the printing process. Horizontal or vertical movement, wherein the multi-nozzle 3D printing device is the above-mentioned multi-nozzle 3D printing device.

Another object of the present invention is to provide a multi-nozzle 3D printing system, which is characterized by comprising: a 3D printing device; and a control device for controlling the operation of the 3D printing device, wherein the 3D printing device is the above-mentioned 3D printing device .

Invention action and effect

According to the multi-nozzle 3D printing device provided by the present invention and the equipment and system including the same, since the multi-nozzle 3D printing device includes a nozzle group frame module installed at the bottom of the machine head, there is at least one nozzle group frame arranged side by side at intervals, and the nozzles The assembly frame has a mounting member and a plurality of nozzle modules mounted on the mounting member at intervals, and the nozzle module has nozzles disposed at its inner bottom end and the nozzle holes extend out of the nozzle module and facing the printing table, and the nozzle assembly frame During the printing process, it can move horizontally or in the lifting direction, so the nozzles of multiple nozzle modules can also move along with it, so that multiple products can be printed at one time, and multiple products can be printed at the same time with the same control;

Description of drawings

1 is a schematic structural diagram of the multi-nozzle 3D printing device involved in Embodiment 1;

2 is a schematic structural exploded view of a nozzle assembly module of the multi-nozzle 3D printing device involved in Embodiment 1;

3 is a schematic structural diagram of the multi-nozzle 3D printing device involved in Embodiment 2.

Detailed ways

The present invention is further described below with reference to specific embodiments and accompanying drawings.

Example 1

FIG. 1 is a schematic structural diagram of the multi-nozzle 3D printing device involved in Example 1.

The printing system provided in this embodiment includes a 3D printing device and a control device, and the 3D printing device further includes a multi-nozzle 3D printing device 100 and a driving device. The working principle of the printing system is: during the printing process, after the printing material is transported through the wire feeding hose 300, the molten material in a molten state is heated and then transported to the nozzle. It moves according to the predetermined route set by the designed product to be printed, and during the moving process, the molten material is ejected from the nozzle orifice of the nozzle onto the printing table for printing.

As shown in FIG. 1 , the multi-nozzle 3D printing device 100 includes a machine head 10 and a nozzle assembly module 20 .

The machine head 10 serves as an installation support for the entire multi-nozzle 3D printing device 100, and is arranged on a frame not shown in the figure. The bottom of the machine head has a mounting slot 11 for a group frame.

FIG. 2 is an exploded schematic diagram of the structure of the nozzle assembly module of the multi-nozzle 3D printing device according to the first embodiment.

As shown in FIG. 2 , the nozzle assembly frame module 20 is installed on the bottom of the handpiece 10 , and has a nozzle assembly frame 21 and a mounting portion 22 .

There is at least one nozzle group frame 21 , and each nozzle group frame 21 is installed on the bottom of the handpiece 10 side by side at intervals. At least one mounting portion 22 corresponds to each nozzle group frame 21 respectively, that is, one-to-one correspondence, that is, the number of the mounting portions 22 is the same as the number of the nozzle group frames 21, and one nozzle group frame 21 corresponds to one mounting portion 22, Each mounting portion 22 is used to mount one nozzle assembly frame 21 to the frame 10 , specifically, the corresponding nozzle assembly frame 21 is installed to the frame 10 by installing one mounting portion 22 into the assembly mounting groove 11 . In this way, the installation of each installation part 22 is completed in sequence, that is, the nozzle assembly frame module 20 is installed at the bottom of the frame 10 .

In this embodiment, there is one nozzle assembly frame 21 , and correspondingly, there is also one mounting portion 22 .

The nozzle set frame 21 can move in the horizontal or elevating direction during the printing process, that is, it can move in the x, y horizontal and z directions in the figure, and has a mounting member 23 and a nozzle module 24 .

A plurality of nozzle modules 24 are mounted on the mounting member 23 at intervals. The nozzle module 24 has a nozzle 24a, a wire feeding unit and a heating unit not shown in the figure. In this way, the multi-nozzle 3D printing device 100 of the present embodiment has a plurality of nozzles 24a for spraying molten material. When these nozzles 24a move according to the movement of the nozzle group frame 21 in the horizontal or elevating direction during the printing process , you can print multiple products at the same time.

The nozzle 24a is disposed at the inner bottom end of the nozzle module 24, and the nozzle hole of the nozzle 24a extends out of the nozzle module 24 and faces the printing table.

The wire feeding unit is arranged inside the nozzle module 24 and is connected to the wire feeding hose 300 connected to the wire reel of the wire storage barrel. When printing, the printing material conveyed from the wire feeding hose 300 is conveyed.

The heating unit is arranged inside the nozzle module 24, receives the printing material sent from the wire feeding unit during printing, and heats the printing material to obtain a molten material in a molten state, and then sends it to the nozzle 24a.

The mounting member 23 has a plurality of nozzle module mounting grooves 23a and a plurality of pairs of nozzle module mounting rails 23b.

There are a plurality of nozzle module mounting grooves 23 a , which are respectively matched with the plurality of nozzle modules 24 , that is, one nozzle module mounting groove 23 a corresponds to one nozzle module 24 .

In this embodiment, the cross section A1 of the nozzle module mounting groove 23a is an inverted trapezoid, the cross section A2 of the nozzle module 24 is also inverted trapezoid, and the nozzle module 24 is matched with the cross section A1 of the nozzle module mounting groove 23a through its cross section A2 And it is installed in the nozzle module installation groove 23a, that is, both A1 and A2 are inverted trapezoids with large upper and lower lower, and A2 can just be snapped into A1. When the nozzle module 24 is installed into the nozzle module mounting slot 23a, let A2 also be in an inverted trapezoid shape, so that the end with the smaller width of A2 can easily enter from the end with the larger width of A1, and then pass to the end with the smaller width of A1. When one end moves gradually, it can be gradually engaged with the two inner sides of A1; when the nozzle module 24 is to be removed from the nozzle module mounting groove 23a, the wider end of A2 is pushed out from Z, and A2 is tapered. The width can be easily pushed out gradually from the two inner sides of the A1, so that compared with disassembling the nozzle module 24 from the horizontal direction, since there is only one nozzle module 24 in the Z direction, it does not need to be disassembled in the horizontal direction. , all the nozzle modules 24 in the horizontal disassembly direction of the nozzle module 24 to be disassembled are disassembled, so it is more convenient to disassemble each nozzle module 24 individually, and it is easy to replace a single nozzle module 24 .

A plurality of pairs of nozzle module mounting rails 23b correspond to a plurality of nozzle modules 24 respectively, that is, one nozzle module 24 corresponds to a pair of nozzle module mounting rails 23b. The paired nozzle module mounting rails 23b are respectively disposed on both sides of the mounting member 23 along the direction in which each nozzle module 24 is spaced apart. They are fixed by screws 23c, respectively. During installation, the nozzle module is installed on the slide rail 23b, so that the installation position of the nozzle module 24 can be relatively positioned on the mounting member 23 during installation, and during the installation process, the corresponding screw 23c can be moved on the nozzle module installation slide rail 23b , the distance between two adjacent nozzle modules 24 can be adjusted, so as to be more convenient for installation and use.

In this embodiment, in order to allow the nozzle to move up and down and move horizontally, that is, in the x, y and z directions in the figure, to carry out 3D printing of the product, the driving device not shown in the figure is driven to drive the machine. The head 10 moves up and down and in the horizontal direction, thereby driving the movement of the entire nozzle assembly module 20 , which in turn drives the movement of the entire nozzle 24 a , so as to complete the 3D printing. The driving device may be a stepper motor.

The control device is used to control the operation of the entire 3D printing device, and, during printing, control the movement route of the entire machine head 10 according to the movement of the predetermined route that the printing jet group 24a needs to be set with reference to the designed to-be-printed product .

working process:

How the printing system in this embodiment operates is described in detail below with reference to FIG. 1 :

Step 1, turn on the drive device through the control device;

Step 2, under the driving of the driving device and the control of the control device, the motor head 10 is driven to move horizontally or up and down in a route that can realize the movement of the nozzle 24a according to the predetermined route;

Step 3, in the movement of step 2, simultaneously control the work of the wire conveying unit and the heating unit in each nozzle module 24, so as to deliver the molten material to each nozzle 24a to be ejected to the printing table and simultaneously perform 3D printing of multiple products. Print.

Example 2

The following is a description of Example 2.

In Embodiment 2, the same symbols are given to the same structures as those in Embodiment 1, and the same explanations are omitted.

3 is a schematic structural diagram of the multi-nozzle 3D printing device involved in Embodiment 2.

As shown in FIG. 3 , the multi-nozzle 3D printing device 200 included in the 3D printing device in the printing system provided in this embodiment includes: a machine head 10 and a nozzle assembly module 220 .

The nozzle assembly frame module 220 has a nozzle assembly frame 221 and a mounting portion 222 .

In this embodiment, the nozzle assembly frames 221 and the installation parts 222 are also in one-to-one correspondence. There are two nozzle assembly frames 221 in this embodiment, and correspondingly, there are also two installation parts 222. The two nozzle assembly frames 221 are side by side and spaced apart. Installed on the bottom of the handpiece 10 .

Each nozzle assembly frame 221 also has a mounting member 23 and a plurality of nozzle modules 24 mounted on the mounting member 23 at intervals. The mounting portion 222 is provided on the top of the mounting member 23 of the corresponding nozzle assembly frame 221 .

The mounting portions 222 corresponding to the two nozzle assembly frames 221 are respectively installed in the assembly frame installation grooves 11 at the bottom of the handpiece 10 at intervals.

In this embodiment, the head 10 is also driven by the driving device not shown in the figure to move up and down and in the horizontal direction, and under the control of the control device, the nozzle 24a is set according to the product to be printed according to the reference design. The movement of a predetermined route that needs to be made to complete the 3D printing of multiple products at once.

Example function and effect

According to the multi-nozzle 3D printing device and the device and system including the same provided in Embodiments 1-2, since the multi-nozzle 3D printing device includes a nozzle assembly frame module installed at the bottom of the machine head, there is at least one nozzle assembly frame arranged side by side at intervals , and the nozzle group frame has a mounting member and a plurality of nozzle modules mounted on the mounting member at intervals, and the nozzle module has nozzles disposed at its inner bottom end and the nozzle holes extending out of the nozzle module and facing the printing table, and, The nozzle rack can move horizontally or vertically during the printing process, so the nozzles of multiple nozzle modules can also move along with it, so that multiple products can be printed at one time, and multiple products can be printed at the same time with the same control. ;

In addition, in Embodiment 1-2, when there are a plurality of nozzle assembly frames, each nozzle assembly frame corresponds to a mounting portion respectively, so that each nozzle assembly frame is respectively installed in the assembly frame installation groove at the bottom of the machine head, As the multi-nozzle 3D printing device of the present invention, when there are a plurality of nozzle assembly frames, the nozzle assembly frame module may also have one mounting portion, and in this case, the mounting portion is arranged on the respective mounting parts of the multiple nozzle assembly frames. Then, install the mounting part in the mounting groove of the assembly frame, that is, through one mounting part, install multiple nozzle assembly frames at the same time.

In addition, in Embodiment 1-2, the nozzle is moved indirectly by making the machine head move horizontally or up and down, so that 3D printing can be completed. As the present invention, the mounting part can be set to be movable so as to be able to move horizontally or up and down, In this way, the nozzle is driven to move to complete 3D printing; the head can also be moved up and down, and a horizontally moving base plate is set at the bottom of the head, and the nozzle assembly module is installed on the base plate. The up-and-down movement drives the nozzle to move up and down (z-direction), and the bottom plate presses to move horizontally, and the press of the bottom plate drives the nozzle to move horizontally (x and y-direction), so that 3D printing can be completed.

Claims (10)

1. The multi-nozzle 3D printing apparatus of , comprising:

   a machine head;

   a nozzle group frame module installed at the bottom of the machine head,

   wherein the nozzle block rack module has at least nozzle block racks,

   the nozzle group frames are arranged side by side at intervals,

   the nozzle group frame is provided with a mounting part and a plurality of nozzle modules which are mounted on the mounting part at intervals,

   the nozzle module is provided with a nozzle which is arranged at the inner bottom end of the nozzle module and a spray hole extends out of the nozzle module and is opposite to the printing workbench,

   the nozzle assembly can move horizontally and up and down in the printing process.
2. 2. The multi-nozzle 3D printing device according to claim 1, characterized in that:

   wherein the nozzle module further has a wire feeding unit and a heating unit provided inside thereof,

   the wire feeding unit is used for conveying the printing material conveyed from the wire storage barrel during printing;

   the heating unit receives the printing material conveyed by the wire feeding unit during printing, heats the printing material to obtain a molten material in a molten state, and conveys the molten material to the nozzle.
3. 3. The multi-nozzle 3D printing device according to claim 2, characterized in that:

   wherein the mounting part is provided with a plurality of nozzle module mounting grooves which are respectively matched and corresponding to the plurality of nozzle modules,

   the cross section of the nozzle module mounting groove is inverted trapezoid, the cross section of the nozzle module is also inverted trapezoid, and the nozzle module is mounted in the nozzle module mounting groove by matching the cross section of the nozzle module with the cross section of the nozzle module mounting groove.
4. 4. The multi-nozzle 3D printing device according to claim 3, characterized in that:

   the mounting part is also provided with a plurality of pairs of nozzle module mounting slide rails respectively corresponding to the plurality of nozzle modules, the nozzle module mounting slide rails in pairs are oppositely and respectively arranged on two sides of the mounting part along the direction of spaced arrangement of the nozzle modules, and two sides of the nozzle modules and the corresponding two nozzle module mounting slide rails in pairs are respectively fixed through screws.
5. 5. The multi-nozzle 3D printing device according to claim 1, characterized in that:

   the nozzle group frame module is also provided with mounting parts corresponding to the nozzle group frames respectively,

   wherein the mounting part is provided at the top of the mounting part of the corresponding nozzle block holder,

   the bottom of the machine head is provided with a mounting groove of the assembling frame,

   and the installation parts corresponding to the nozzle group frames are installed in the group frame installation grooves at intervals.
6. 6. The multi-nozzle 3D printing device according to claim 1, characterized in that:

   the nozzle block holder module also has mounting portions,

   wherein the nozzle group frame is provided in plurality, the mounting part is provided on the top of each of the mounting parts of the plurality of nozzle group frames,

   the bottom of the machine head is provided with a mounting groove of the assembling frame,

   the installation part is installed in the group frame installation groove.
7. 7. The multi-nozzle 3D printing device according to any of claims 1-6, wherein:

   wherein the machine head can move horizontally or up and down,

   the nozzle assembly frame is driven to move horizontally or vertically by the horizontal or vertical movement of the machine head in the printing process.
8. 8. The multi-nozzle 3D printing device according to claim 5 or 6, characterized in that:

   wherein the mounting part can move horizontally or vertically in the mounting groove of the rack assembly during printing,

   the nozzle assembly frame moves horizontally or vertically through the installation part in the printing process to drive the nozzle assembly frame to move horizontally or vertically.
9. 9, A3D printing apparatus, comprising:

   a multi-nozzle 3D printing device; and

   the driving device drives the nozzle assembly frame in the multi-nozzle 3D printing device to move horizontally or vertically in the printing process through driving,

   wherein the multi-nozzle 3D printing device is the multi-nozzle 3D printing device of any of claims 1-8.
10. 10, a printing system, comprising:

    a 3D printing device; and

    a control device for controlling operation of the 3D printing device,

    wherein the 3D printing apparatus is the 3D printing apparatus of claim 9.