CN117261213A - Additive manufacturing device - Google Patents

Abstract

The invention provides an additive manufacturing device, which comprises a supporting frame body, wherein an operation space is formed in the supporting frame body, a DLP light machine, a vibrating mirror, a material forming platform and a material carrying box are arranged in the operation space, a material groove for containing solidified materials is formed in one face of the material carrying box, which faces the material forming platform, in a concave manner, a plane driving component and a space driving component are arranged on the supporting frame body, the plane driving component is used for driving the DLP light machine to move in a double-shaft manner on a horizontal plane, the space driving component is used for driving the vibrating mirror to move in a three-shaft manner, and the material forming platform is vertically connected between the vibrating mirror and the bottom of the material groove in a moving manner. The DLP optical machine is driven by the plane driving component to move along the direction of the x axis and/or the y axis, the vibrating mirror is driven by the space driving component to synchronously move along the direction of the x axis and/or the y axis, the requirement that one optical machine finishes large-format printing is realized, the printing cost is saved, and the vibrating mirror is driven by the space driving component to move along the direction of the z axis, so that the intensity adjustment of light beams is finished, and the printing precision is improved.

Description

Additive manufacturing device

Technical Field

The invention relates to the technical field of additive manufacturing, in particular to an additive manufacturing device.

Background

Additive manufacturing technology refers to the scientific and technological system for directly manufacturing parts by three-dimensional data driving of the parts based on the discrete-stacking principle. Based on different classification principles and understanding modes, the additive manufacturing technology has multiple names such as rapid prototyping, rapid forming, rapid manufacturing, 3D printing and the like, the connotation is still deepened continuously, and the epitaxy is also expanded continuously.

In the existing additive manufacturing technology, photocuring is a widely used method, and the photocuring method is to utilize an ultraviolet light source to cure photosensitive substances into solids layer by layer, so that a three-dimensional object is constructed.

However, existing photo-curing additive manufacturing techniques still face some challenges, first, existing photo-curing equipment is often limited by DLP (digital light processing) opto-mechanical web size for large-format workpieces. The traditional fixed beam system can only process a smaller working area, and is difficult to meet the requirement of manufacturing large-format workpieces, and the limitation limits the applicability and the production efficiency of additive manufacturing; secondly, the existing photocuring additive manufacturing technology is difficult to quickly and accurately adjust light beams, so that printing precision is affected, and although printing with large breadth and high precision can be realized by splicing a plurality of DLP optical machines, the cost of the printer can be greatly increased in industrial production, and the industrial popularization is not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide an additive manufacturing device which aims at solving the problems that a single DLP optical machine is difficult to adapt to the manufacturing requirement of a large-format workpiece and is difficult to quickly and accurately adjust a light beam to cause the reduction of printing precision in the prior art; and set up a plurality of DLP ray apparatus, will cause the printing cost to rise by a wide margin, be unfavorable for the technical problem of industry popularization.

In order to achieve the above object, the present invention is achieved by the following technical scheme:

the utility model provides an additive manufacturing installation, includes the supporting frame body, the supporting frame body includes supporting baseplate, balanced roof frame and locates supporting baseplate with a plurality of bracing piece between the balanced roof frame, the supporting baseplate balanced roof frame and a plurality of enclose between the bracing piece and close and form the operating space, top-down sets gradually DLP light machine, galvanometer, material forming platform and carrying case in the operating space, set up on the supporting baseplate the carrying case, the carrying case orientation the one side indent of material forming platform forms the silo that is used for holding the solidification material, set up plane drive assembly and space drive assembly on the supporting frame body, plane drive assembly is used for the drive DLP light machine is in the biaxial motion on the horizontal plane, space drive assembly is used for the drive the galvanometer triaxial motion, material forming platform vertical movement connect in between the galvanometer with the bottom of silo.

Compared with the prior art, the invention has the beneficial effects that: when large-format additive printing is required, a curing material is placed in the trough, the material forming platform is lowered into the trough, at the moment, the DLP light machine is driven by the plane driving component to move along the x-axis and/or the y-axis direction, the space driving component drives the vibrating mirror to synchronously move along the x-axis and/or the y-axis direction, so that the DLP light machine and the vibrating mirror are always in the same vertical direction, the large-format printing is gradually completed, the requirement on large-format workpiece manufacturing is met, and all printing work can be completed only by setting one DLP light machine, so that printing cost is effectively saved.

Further, the plane drive assembly comprises a driven block, a first screw rod and a first guide rod, wherein first sliding mechanisms are arranged on two opposite sides of the support frame body, the first screw rod and the first guide rod are connected between the first sliding mechanisms in a rotating mode, the driven block is sleeved outside the first screw rod and the first guide rod, and the DLP optical machine is arranged on the driven block.

Still further, first slide mechanism includes first drive block and is located the first stopper at the opposite both ends of braced frame body, two connect the second lead screw between the first stopper, first drive block cup joint in on the second lead screw, first drive block passes through first lead screw and first guide bar connects the driven piece.

Still further, space drive assembly includes carrier mechanism and supporting mechanism, the opposite both sides of supporting baseplate all set up carrier mechanism, carrier mechanism includes carrier block and lifter, the carrier block connect in one side of supporting baseplate, the top of carrier block is connected the lifter, the lifter overcoat is connected the lifter, two set up between the lifter supporting mechanism, supporting mechanism is used for the drive the mirror biax removes on the horizontal plane.

Still further, supporting mechanism includes the carriage and connects respectively two second slide mechanism on two bearing mechanism, second slide mechanism including rotate connect in the third lead screw at the opposite both ends of supporting baseplate, the third lead screw is followed supporting baseplate extends to balanced footstock direction, two all cup joint the second drive piece on the third lead screw, two rotate between the second drive piece and connect the fourth lead screw, the third drive piece cup joints outside the fourth lead screw, third drive piece sliding connection the lifter, two connect fifth lead screw and second guide bar between the third drive piece, the carriage cup joint in outside fifth lead screw and the second guide bar, the galvanometer rotate connect in the carriage.

Still further, set up the camera on carrying the magazine, the camera is located carry the top of magazine to shoot the additive and print the condition.

Still further, the additive manufacturing device further comprises a control component, wherein the control component is electrically connected with the DLP optical machine, the plane driving component, the space driving component and the camera, so that additive manufacturing is completed through an image processing method.

Further, the image processing method specifically includes:

acquiring a three-dimensional image of an additive to be manufactured, dividing the three-dimensional image into a plurality of plane images based on a preset thickness, and dividing the plane images into a plurality of detail images based on a preset size;

the control assembly drives the material forming platform to be arranged in the trough, and drives the plane driving assembly and the space driving assembly to enable the DLP optical machine and the galvanometer to move to a designated position, and drives the DLP optical machine to be started to finish printing of a plurality of detail graphs and form a plurality of detail structures on the material forming platform;

the camera shoots the detail structures to form a finished product graph, and the finished product graph is transmitted to the control assembly to identify whether gaps exist between adjacent detail structures;

if the gap exists, the control component generates a filling map based on a fusion algorithm and drives the corresponding component to finish additive printing of the filling map at the gap.

Further, the step of generating the filling map by the control component based on the fusion algorithm specifically includes:

the control component respectively carries out continuous downsampling and Gaussian blur processing on adjacent finished product images so as to respectively form a first Gaussian pyramid comprising a plurality of layers of first images and a second Gaussian pyramid comprising a plurality of layers of second images;

respectively carrying out up-sampling processing on a plurality of layers of the first images and a plurality of layers of the second images so as to respectively convert the first Gaussian pyramid and the second Gaussian pyramid into a first Laplacian pyramid comprising a plurality of layers of third images and a second Laplacian pyramid comprising a plurality of layers of fourth images;

based on the third image and the fourth image, performing fusion operation on the first Laplacian pyramid and the second Laplacian pyramid of each layer to form a plurality of layers of basic fusion images;

and carrying out up-sampling reconstruction on the basic fusion images of a plurality of layers to form a filling map.

Still further, the obtaining formula of the third image is:

，

wherein,third image representing the i-th layer, +.>A first image representing an i-th layer,representing an upsampling process;

the acquisition formula of the basic fusion image is as follows:

，

wherein,basic fusion image representing the i-th layer, +.>Fourth image representing the i-th layer, +.>Representing the fusion weight;

the acquisition formula of the filling map is as follows:

，

wherein,a padding diagram is shown.

Drawings

FIG. 1 is a schematic diagram of an embodiment of an additive manufacturing apparatus at a first viewing angle;

FIG. 2 is a schematic diagram of an embodiment of an additive manufacturing apparatus according to the present invention at a second viewing angle;

FIG. 3 is a schematic diagram of an embodiment of an additive manufacturing apparatus according to the present invention at a third viewing angle;

FIG. 4 is a schematic diagram of an embodiment of an additive manufacturing apparatus at a fourth view angle;

description of main reference numerals:

10. a support frame; 110. a support base plate; 120. a support rod; 130. a balance top frame; 20. DLP optical machine; 30. vibrating mirror; 40. a material forming platform; 50. a loading box; 60. a planar drive assembly; 610. a driven block; 620. a first screw rod; 630. a first guide bar; 640. a first sliding mechanism; 641. a first driving block; 642. a first limiting block; 643. a second screw rod; 70. a space driving assembly; 710. a carrying mechanism; 711. a bearing block; 712. a lifting rod; 713. a lifting block; 720. a support mechanism; 721. a support frame; 722. a second sliding mechanism; 7221. a third screw rod; 7222. a second driving block; 7223. a fourth screw rod; 7224. a third driving block; 7225. a fifth screw rod; 7226. a second guide bar; 80. a camera; 910. a support plate; 920. a riser; 930. a vertical rail; 940. a clamping plate; 950. and a connecting mechanism.

The invention will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, in the additive manufacturing apparatus according to the embodiment of the invention, the additive manufacturing apparatus includes a support frame 10, the support frame 10 includes a support base 110, a balance top frame 130, and a plurality of support bars 120 disposed between the support base 110 and the balance top frame 130, and an operation space is formed by enclosing the support base 110, the balance top frame 130, and the plurality of support bars 120, preferably, the support frame 10 includes four support bars 120, and the four support bars 120 are respectively disposed at four corners of the support base 110, and it can be understood that the balance top frame 130 has a rectangular frame structure, and one ends of the four support bars 120, which are far away from the support base 110, are connected to the four corners of the balance top frame 130.

The DLP optical engine 20, the vibrating mirror 30, the material forming platform 40 and the material carrying box 50 are sequentially arranged in the operation space from top to bottom, the material carrying box 50 is arranged on the supporting base plate 110, the material carrying box 50 faces to one surface of the material forming platform 40 and is concavely formed into a material groove for containing a solidified material, preferably, the supporting base plate 110 is vertically movably connected with the material carrying box 50, specifically, a plurality of driving motors are arranged on the supporting base plate 110, the driving motors are all used for driving and connecting telescopic rods, one end of each telescopic rod, which is far away from the supporting base plate 110, is connected with one surface of the material carrying box 50, which faces to the supporting base plate 110, and then drives the telescopic rods to stretch out and draw back through the driving motors, so that lifting of the material carrying box 50 is realized, when additive printing is required, the material carrying box 50 is firstly lowered to the supporting base plate 110, after the placement of the solidified material is completed, the material carrying box 50 is lifted to a proper position, so that subsequent printing is completed, and after the subsequent printing is completed, the material carrying box 50 can be repeatedly supported to the position for cleaning the printing is completed, and the material carrying box 50 can be recovered after the printing is completed.

The material forming platform 40 is vertically movably connected between the vibrating mirror 30 and the bottom of the trough. When the additive printing is required, the solidified material is placed in the trough, the material forming platform 40 is vertically moved downwards until entering the trough, along with the printing, after each layer of additive printing is completed, the material forming platform 40 is moved to the bottom of the trough for a preset distance until all the printing work is completed on the material forming platform 40, the material forming platform 40 is vertically moved upwards, and the printed additive is moved out of the trough. By means of the connection mode of vertical movement, sinking type additive printing is achieved, and the additive can be prevented from collapsing on the material forming platform 40 in the printing process, so that printing efficiency is prevented from being affected.

Specifically, one side of the supporting base plate 110 is connected with the supporting plate 910, the top of the supporting plate 910 is connected with the riser 920, one side of the riser 920 facing the supporting frame 10 is connected with the vertical rail 930, the vertical rail 930 is vertically and slidably connected with the clamping plate 940, and the clamping plate 940 is connected with one side of the material forming platform 40 facing the balancing top frame 130 through the connecting mechanism 950. The clamping plate 940 moves vertically along the vertical rail 930, so as to adjust the height of the material forming platform 40.

The planar driving assembly 60 and the spatial driving assembly 70 are disposed on the supporting frame 10, the planar driving assembly 60 is configured to drive the DLP optical-mechanical device 20 to move biaxially on a horizontal plane, specifically, the planar driving assembly 60 includes a driven block 610, a first lead screw 620 and a first guide rod 630, two opposite sides of the supporting frame 10 are respectively provided with a first sliding mechanism 640, two first sliding mechanisms 640 are rotationally connected with the first lead screw 620 and the first guide rod 630, the driven block 610 is sleeved outside the first lead screw 620 and the first guide rod 630, the driven block 610 is provided with the DLP optical-mechanical device 20, the driven block 620 is driven to rotate through driving, and then the driven block 610 drives the DLP optical-mechanical device 20 to move in an x-axis direction, the first sliding mechanism 640 includes a first driving block 641 and first limiting blocks 642 located at opposite ends of the supporting frame 10, two first limiting blocks are connected with a second lead screw 643, the first driving block 641 is sleeved outside the first lead screw 620 and the first guide rod 620, and the second lead screw 643 is driven to move along the second lead screw 643 and the second guide rod 643 is driven by the driven block 610 along the second lead screw 643 and the second guide rod 643. I.e. biaxial movement of the DLP light engine 20 in the horizontal plane is achieved by the planar drive assembly 60. The position of the DLP light engine 20 in the horizontal plane may be adjusted according to the specific printing position.

The space driving assembly 70 is used for driving the galvanometer 30 to move along three axes, the space driving assembly 70 comprises a bearing mechanism 710 and a supporting mechanism 720, and the supporting mechanism 720 is connected with the galvanometer 30. The supporting mechanism 710 is disposed on two opposite sides of the supporting base 110, the supporting mechanism 710 includes a supporting block 711 and a lifting rod 712, the supporting block 711 is connected to one side of the supporting base 110, the top of the supporting block 711 is connected to the lifting rod 712, the lifting rod 712 is sleeved with the lifting block 713, the supporting mechanism 720 is disposed between the lifting blocks 713, the supporting block 711 can be driven to move vertically by driving the lifting rod 712 to rotate, and then the vibrating mirror 30 is driven to move along the z-axis direction by the supporting mechanism 720.

The supporting mechanism 720 is configured to drive the vibrating mirror 30 to move biaxially on a horizontal plane, the supporting mechanism 720 includes a supporting frame 721 and two second sliding mechanisms 722 respectively connected to the two bearing mechanisms 710, the second sliding mechanisms 722 include a third screw rod 7221 rotatably connected to opposite ends of the supporting base plate 110, the third screw rod 7221 extends from the supporting base plate 110 toward the balancing top frame 130, two third screw rods 7221 are respectively sleeved with a second driving block 7222, a fourth screw rod 7223 is rotatably connected between the two second driving blocks 7222, a third driving block 7224 is sleeved outside the fourth screw rod 7223, and the third driving block 7224 is slidably connected to the lifting block 713, and as can be understood, the third screw rod 7221 coaxially rotates with the lifting rod 712, and further cooperates with the lifting rod 712 to realize vertical movement of the third driving block 7224. In some embodiments, the third screw 7221 is fixedly connected to the supporting base 110, which can also cooperate with the lifting rod 712. A fifth screw rod 7225 and a second guide rod 7226 are connected between the two third driving blocks 7224, the supporting frame 721 is sleeved outside the fifth screw rod 7225 and the second guide rod 7226, the vibrating mirror 30 is connected in the supporting frame 721, after the third driving blocks 7224 are adjusted to a specified height, the fourth screw rod 7223 is driven to axially rotate, and then the third driving blocks 7224 are driven to axially move along the fourth screw rod 7223, and the vibrating mirror 30 is driven to move along the y-axis direction by the supporting frame 721. The lifting block 713 is provided with a chute, and the third driving block 7224 is slidably connected to the chute. By driving the fifth screw 7225 to rotate, the supporting frame 721 may be moved along the axial direction of the fifth screw 7225, so as to drive the galvanometer 30 to move along the x-axis direction. The first screw 620, the second screw 643, the third screw 7221, the fourth screw 7223, the fifth screw 7225, and the lifting rod 712 are all driven to rotate by motors (not shown).

When large-format additive printing is required, a curing material is placed in the trough, the forming platform 40 is lowered into the trough, at this time, the plane driving assembly 60 drives the DLP light machine 20 to move along the x-axis and/or the y-axis, the space driving assembly 70 drives the vibrating mirror 30 to synchronously move along the x-axis and/or the y-axis, so that the DLP light machine 20 and the vibrating mirror 30 are always in the same vertical direction, the large-format printing is gradually completed, the requirement on large-format workpiece manufacturing is met, and all printing work can be completed only by arranging one DLP light machine 20, so that printing cost is effectively saved, and further, the distance between the DLP light machine 20 and the vibrating mirror 30 can be adjusted by driving the space driving assembly 70 to move along the z-axis direction, so that rapid and accurate adjustment of light beams emitted by the DLP light machine 20 is completed, and printing precision is improved.

Preferably, the galvanometer 30 is rotatably connected to the support frame 721, two opposite sides of the galvanometer 30 are both connected to a rotating rod, one end of the rotating rod, which is far away from the galvanometer 30, is connected to the inner wall of the support frame 721, and the small-amplitude adjustment of the irradiation position of the light beam emitted by the DLP light engine 20 on the material forming platform 40 can be adjusted by the rotation of the rotating rod, so that the accuracy of additive printing is further improved.

In some embodiments, the material loading box 50 is further provided with a sensor and a cooling mechanism, the sensor is used for monitoring parameters such as temperature, pressure, position and the like during additive printing, the cooling mechanism is used for controlling the printing temperature of the solidified material, preferably, the cooling mechanism is a fan or a water cooling device, and by setting the sensor and the cooling mechanism, the functions of improving the printing precision and the printing stability can be achieved.

Because the single DLP optical engine 20 is used for printing, the to-be-printed additive is split and then split and printed on the split surface, after the adjacent printing is completed, the situation that the connection is incomplete and a gap is formed may exist, and further the formed additive generates quality defects, in order to solve the above problems, the material carrying box 50 is further provided with a camera 80, the camera 80 is located at the top of the material loading box 50 to capture the situation of the additive printing, and the additive manufacturing apparatus further includes a control component electrically connected to the DLP light engine 20, the plane driving component 60, the space driving component 70 and the camera 80, so as to complete the additive manufacturing through an image processing method.

Specifically, the image processing method specifically includes: acquiring a three-dimensional image of an additive to be manufactured, dividing the three-dimensional image into a plurality of plane images based on a preset thickness, and dividing the plane images into a plurality of detail images based on a preset size; the number of the plane diagrams and the number of the detail diagrams can be correspondingly adjusted according to the size of the three-dimensional diagrams and the fusion effect.

The control assembly drives the material forming platform 40 to be arranged in the material groove, and drives the plane driving assembly 60 and the space driving assembly 70 to enable the DLP optical machine 20 and the galvanometer 30 to move to a specified position, and drives the DLP optical machine 20 to start through the control assembly so as to complete printing of a plurality of detail images and form a plurality of detail structures on the material forming platform 40;

the camera 80 captures the detail structures to form a finished image, and transmits the finished image to the control assembly to identify whether gaps exist between adjacent detail structures;

if the gap exists, the control component generates a filling map based on a fusion algorithm and drives the corresponding component to finish additive printing of the filling map at the gap.

The step of generating the filling map by the control component based on the fusion algorithm specifically comprises the following steps:

the control component respectively carries out continuous downsampling and Gaussian blur processing on adjacent finished product images so as to respectively form a first Gaussian pyramid comprising a plurality of layers of first images and a second Gaussian pyramid comprising a plurality of layers of second images;

and continuously downsampling the finished image and performing Gaussian blur processing to generate a series of images with different scales, wherein the Gaussian blur processing aims at reducing high-frequency details in the images so as to preserve low-frequency information of the images, and downsampling is to reduce the images so as to acquire a plurality of images with different resolutions.

The acquiring formula of the first image of the ith layer in the first gaussian pyramid is as follows:

，

wherein the method comprises the steps ofA first image representing an i-th layer, < >>Representing a downsampling operation. In this embodiment, the downsampling operation is achieved by averaging pooling.

Respectively carrying out up-sampling processing on a plurality of layers of the first images and a plurality of layers of the second images so as to respectively convert the first Gaussian pyramid and the second Gaussian pyramid into a first Laplacian pyramid comprising a plurality of layers of third images and a second Laplacian pyramid comprising a plurality of layers of fourth images;

the construction of the Laplacian pyramid is obtained by carrying out difference between adjacent layers of the Gaussian pyramid and is used for representing detail information of images on different scales. Each layer of the laplacian pyramid represents details of the original image at that scale. The top layer of the laplacian pyramid is the same as the top layer of the gaussian pyramid, so that the first image at the top layer is used as the third image at the top layer, and the second image at the top layer is used as the fourth image at the top layer.

The obtaining formula of the third image is as follows:

，

wherein,third image representing the i-th layer, +.>A first image representing an i-th layer,representing the upsampling process. The up-sampling operation is to enlarge the size of the image and to supplement the actual pixels. In this embodiment, the upsampling operation is performed by interpolation.

Based on the third image and the fourth image, performing fusion operation on the first Laplacian pyramid and the second Laplacian pyramid of each layer to form a plurality of layers of basic fusion images;

the image fusion process is to fuse the Laplacian pyramids of the two images. The acquisition formula of the basic fusion image is as follows:

，

wherein,basic fusion image representing the i-th layer, +.>Fourth image representing the i-th layer, +.>Representing the fusion weights. />In the range of->For controlling the degree of fusion of the two images at each scale. />Either a constant or a function that is related to the image position.

And carrying out up-sampling reconstruction on the basic fusion images of a plurality of layers to form a filling map.

And gradually up-sampling and overlapping the images from the bottom layer by cascade addition of the fused Laplacian pyramids to obtain the filling map, wherein the obtaining formula of the filling map is as follows:

，

wherein,a padding diagram is shown.

It can be understood that after printing all the detail drawings and the filling drawings on a certain plane drawing, the additive printing of one layer is finished, and the printing work of the additive is finished by repeating the steps.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. The utility model provides an additive manufacturing installation, includes the supporting frame body, the supporting frame body includes supporting baseplate, balanced top frame and locates supporting baseplate with a plurality of bracing piece between the balanced top frame, the supporting baseplate balanced top frame and a plurality of enclose between the bracing piece and close and form the operation space, its characterized in that, top-down sets gradually DLP light machine, galvanometer, material forming platform and carrying box in the operation space, set up on the supporting baseplate the carrying box, the carrying box orientation one side indent of material forming platform forms the silo that is used for holding the curing material, set up plane drive subassembly and space drive subassembly on the supporting frame body, plane drive subassembly is used for the drive DLP light machine is biax on the horizontal plane removes, space drive subassembly is used for the drive the galvanometer triaxial removes, material forming platform vertical removal connect in between the galvanometer with the bottom of silo.

2. The additive manufacturing device according to claim 1, wherein the planar driving assembly comprises a driven block, a first screw rod and a first guide rod, wherein first sliding mechanisms are respectively arranged at two opposite sides of the supporting frame body, the first screw rod and the first guide rod are rotatably connected between the two first sliding mechanisms, the driven block is sleeved outside the first screw rod and the first guide rod, and the DLP optical machine is arranged on the driven block.

3. The additive manufacturing device according to claim 2, wherein the first sliding mechanism comprises a first driving block and first limiting blocks positioned at two opposite ends of the supporting frame body, a second screw rod is connected between the two first limiting blocks, the first driving block is sleeved on the second screw rod, and the first driving block is connected with the driven block through the first screw rod and the first guide rod.

4. The additive manufacturing device according to claim 1, wherein the space driving assembly comprises a bearing mechanism and a supporting mechanism, the bearing mechanism is arranged on two opposite sides of the supporting base plate, the bearing mechanism comprises a bearing block and a lifting rod, the bearing block is connected to one side of the supporting base plate, the top of the bearing block is connected with the lifting rod, the lifting rod is sleeved with the lifting block, the supporting mechanism is arranged between the two lifting blocks, and the supporting mechanism is used for driving the vibrating mirror to move in a double-shaft manner on a horizontal plane.

5. The additive manufacturing device according to claim 4, wherein the supporting mechanism comprises a supporting frame and two second sliding mechanisms respectively connected to the two bearing mechanisms, the second sliding mechanisms comprise third screw rods rotatably connected to two opposite ends of the supporting base plate, the third screw rods extend from the supporting base plate to the direction of the balance top frame, second driving blocks are sleeved on the two third screw rods, a fourth screw rod is rotatably connected between the two second driving blocks, a third driving block is sleeved outside the fourth screw rod, the third driving blocks are slidably connected with the lifting blocks, a fifth screw rod and a second guide rod are connected between the two third driving blocks, the supporting frame is sleeved outside the fifth screw rod and the second guide rod, and the vibrating mirror is rotatably connected in the supporting frame.

6. An additive manufacturing apparatus according to claim 1, wherein a camera is provided on the cartridge, the camera being located on top of the cartridge to capture an additive print.

7. The additive manufacturing apparatus of claim 6, further comprising a control assembly electrically connected to the DLP light engine, the planar drive assembly, the spatial drive assembly, and the camera to complete additive manufacturing by an image processing method.

8. Additive manufacturing apparatus according to claim 7, wherein the image processing method is specifically:

acquiring a three-dimensional image of an additive to be manufactured, dividing the three-dimensional image into a plurality of plane images based on a preset thickness, and dividing the plane images into a plurality of detail images based on a preset size;

the control assembly drives the material forming platform to be arranged in the trough, and drives the plane driving assembly and the space driving assembly to enable the DLP optical machine and the galvanometer to move to a designated position, and drives the DLP optical machine to be started to finish printing of a plurality of detail graphs and form a plurality of detail structures on the material forming platform;

the camera shoots the detail structures to form a finished product graph, and the finished product graph is transmitted to the control assembly to identify whether gaps exist between adjacent detail structures;

if the gap exists, the control component generates a filling map based on a fusion algorithm and drives the corresponding component to finish additive printing of the filling map at the gap.

9. Additive manufacturing apparatus according to claim 8, wherein the step of generating a filling map by the control component based on a fusion algorithm comprises:

the control component respectively carries out continuous downsampling and Gaussian blur processing on adjacent finished product images so as to respectively form a first Gaussian pyramid comprising a plurality of layers of first images and a second Gaussian pyramid comprising a plurality of layers of second images;

respectively carrying out up-sampling processing on a plurality of layers of the first images and a plurality of layers of the second images so as to respectively convert the first Gaussian pyramid and the second Gaussian pyramid into a first Laplacian pyramid comprising a plurality of layers of third images and a second Laplacian pyramid comprising a plurality of layers of fourth images;

based on the third image and the fourth image, performing fusion operation on the first Laplacian pyramid and the second Laplacian pyramid of each layer to form a plurality of layers of basic fusion images;

and carrying out up-sampling reconstruction on the basic fusion images of a plurality of layers to form a filling map.

10. An additive manufacturing apparatus according to claim 9, wherein the third image is obtained by the formula:

，

wherein,third image representing the i-th layer, +.>A first image representing an i-th layer,representing an upsampling process;

the acquisition formula of the basic fusion image is as follows:

，

wherein,basic fusion image representing the i-th layer, +.>Fourth image representing the i-th layer, +.>Representing the fusion weight;

the acquisition formula of the filling map is as follows:

，

wherein,a padding diagram is shown.