TW201929626A - Additive manufacturing mechanism and additive manufacturing method - Google Patents

Abstract

An additive manufacturing device, comprising: a workpiece platform module; a shell additive module configured to form a shell on the workpiece platform module; a metal wiring module configured to provide a metal wiring on the shell; and a wiring repair module configured to detect a defect of the metal wiring and repair the defect to form a repaired defect. The shell additive module is further configured to form a cover on the shell after the defect is repaired. The additive manufacturing device can perform online repair on an embedded circuit without unloading the workpiece platform module and base materials, thereby saving device costs and production line space, shortening the manufacturing time and a manufacturing chain, and improving subsequent machining accuracy of the base material.

Description

Additive manufacturing device and manufacturing method

The invention relates to the field of additive manufacturing of embedded circuits, in particular to an additive manufacturing device and manufacturing method.

With the increase in the integration of electronic equipment, the size of the equipment is getting smaller and smaller. At this time, the electronic components appear too large for the entire equipment, so it is necessary to reduce its size. Manufacture and install components by making electrical and sensing function wires and graphics on an injection-molded curved plastic case, which can connect the electrical interconnection function of ordinary circuit boards, support component functions, and support of plastic cases , Protection, and other functions, and the combination of mechanical entities and conductive graphics, shielding, antenna, sensing and other functions are integrated into one.

There are currently many ways to make the structure, but all have their limitations and deficiencies. The current mainstream manufacturing process is the Laser Direct Structure (LDS) process. The process of LDS is to make a plastic shell by injection molding a synthetic plastic particle containing a metal structure. Since the metal component of the composition can be activated by laser light, the laser light can be scanned on the surface of the casing by a special path using a special laser light device. The activated metal part can be used as a seed layer, which can be electroplated or chemically plated. The method deposits metal on the surface of the shell to form the required circuit pattern.

In the prior art, an additive manufacturing device and forming method for an embedded three-dimensional circuit are also disclosed, and there is no restriction on the material of the casing, and the production of the metal interconnection layer can be completed on the surface or inside of the casing according to product requirements. A device that requires electroless plating (plating) and other processes, and the entire manufacturing process can be completed. It solves the problem that the metal conductive layer can only be made on the surface of the shell, which is easy to be damaged and oxidized, and also solves the problems of complicated technology and limited plastic substrate.

At present, due to the increasing precision of various antennas and sensors, the line width of circuits is more and more fine to the micron level, many of which are below 5um. Especially with the increase in the added value of additive manufacturing products, the yield rate is particularly important. After the production of the embedded metal circuit is completed, the circuit must be inspected and repaired to improve the yield rate, and it must be removed for offline repair and then reloaded. The table method can easily cause alignment errors and stresses, making the subsequent processing accuracy and yield impossible to guarantee.

The purpose of the present invention is to provide an additive manufacturing device and a manufacturing method, so as to solve the problems that the existing repairing process requires moving the substrate for offline repair, which is time-consuming, large error and poor processing accuracy.

In order to achieve the above object, the present invention provides an additive manufacturing device, including: a workpiece table module; a housing additive module configured to form a shell on the workpiece table module; a metal wiring module, configured To provide metal wiring on the casing; a wiring repair module configured to detect a defect of the metal wiring and repair the defect; wherein the housing additive module is further configured to repair the After the defect, a shell cover is formed on the shell.

Further, the housing additive module includes a feeding system and an additive processing module, and the additive processing module is configured to process materials provided by the feeding system on the workpiece table module to form case.

Further, the feeding system is configured to provide plastic powder, the additive processing module includes a laser light sintering unit and a powder coating device, and the powder coating device includes a first galvanometer and a first laser light source, and is configured to The plastic powder is laid on the workpiece table module, and the laser light sintering unit is configured to process the material to obtain the casing.

Further, the housing additive module further includes a recovery system for recovering excess plastic powder after laser light sintering.

Further, the feeding system is configured to provide a plastic wire, and the additive processing module includes a plastic wire print head.

Further, the metal wiring module includes a metal slurry carrying cavity, a connecting rod mechanism, a metal deposition nozzle, a filtering system, and a heating module, and the metal slurry carrying cavity passes through the connecting rod mechanism and the metal deposition. The nozzle is connected, the filtering system is connected to the link mechanism, and the heating module is configured to solidify the metal wiring.

Further, the wiring repair module includes an image sensor, a laser light unit, and a chemical vapor deposition unit, the image sensor detects the defect of the metal wiring, the laser light unit and the chemical The vapor deposition unit repairs the defect according to a condition detected by the image sensor.

Further, the image sensor is fixed on the laser light unit and moves synchronously with the laser head of the laser light unit, or the image sensor is fixed on the metal wiring module and follows the laser light unit. The metal wiring module moves synchronously.

Further, the laser light unit includes a second galvanometer, a second laser light source, and a laser head, and the second laser light source is connected to the laser head.

Further, the chemical vapor deposition unit includes a gas storage unit, a connection pipeline, a gas nozzle, a gas extraction device, an inert gas unit, and a protective cover, and the gas extraction device is used to discharge exhaust gas generated during the repair process, The gas storage unit is connected to the gas nozzle through the connection pipe to provide a reactive gas. The inert gas provided by the inert gas unit is emitted through the protective cover, and the protective cover is disposed outside the gas nozzle. ring.

Further, a gas flow regulating device is provided on the protective cover to adjust the gas flow flowing through the protective cover.

The invention also provides an additive manufacturing method, including:
Step 1: Construct the shell on the workpiece table module through the shell additive module;
Step 2: Set up metal wiring on the casing through a metal wiring module;
Step 3: Detect the defects of the metal wiring and repair the defects through a wiring repair module;
Step 4: Form a shell cover on the wired shell through the shell additive module.

Further, the step 1 specifically includes:

Provide a target processing model;

The shell additive module is processed to obtain the shell according to the target processing model.

Further, the step 1 further includes: providing a material through a feeding system, and processing the material through an additive processing module to obtain the shell.

Further, the step 1 further comprises: providing plastic powder through the feeding system, laying the plastic powder on a workpiece table module through a powder coating device, and processing the material through a laser light sintering unit to obtain the shell body.

Further, the step 1 further comprises: recycling the excess plastic powder generated by the sintering to the recycling system through the powder spreading device.

Further, providing the material through a feeding system, and processing the material through an additive processing module to obtain the shell further includes: providing a plastic wire through the feeding system, and processing the material through a plastic wire print head to obtain The housing.

Further, the step 2 includes: providing the metal paste through the metal paste bearing cavity, and setting the metal wiring on the casing after transmitting the metal paste to the metal deposition nozzle through the link mechanism.

Further, the step 2 further comprises: providing a filtering system on the link mechanism to filter the metal slurry provided from the metal slurry bearing cavity to the metal deposition nozzle, and passing the metal deposition nozzle through the metal deposition nozzle After the metal wiring is deposited on the casing, the metal wiring is also cured by a heating module.

Further, the step 3 specifically includes: detecting a metal wiring defect of the metal wiring module by an image sensor, and repairing the defect by a laser light unit and a chemical vapor deposition unit according to a detection condition of the image sensor. .

Further, the step of detecting a metal wiring defect of the metal wiring module by an image sensor includes:

Setting an image sensor that moves synchronously with the metal wiring module;

During the wiring process, the metal wiring of the metal wiring module is recorded and tracked by the image sensor.

Further, the step of repairing the defect according to the detection condition of the image sensor by the laser light unit and the chemical vapor deposition unit includes: obtaining a metal wiring situation recorded by the image sensor, and obtaining the metal wiring mode. Wiring defects generated by group wiring; controlling the laser light unit and the chemical vapor deposition unit to move separately according to the wiring defects, so that the laser light of the laser light unit irradiates the reaction gas provided by the chemical vapor deposition unit to repair the Mentioned defect.

The invention provides an additive manufacturing device and manufacturing method, which solves the problems of time-consuming, large error and poor processing accuracy of the existing offline repair method, and can perform online repair of embedded circuits without unloading the workbench module and substrate. , Saving equipment purchase costs and production line space, and can reduce manufacturing time and shorten the manufacturing chain, and improve the subsequent processing accuracy of the substrate.

The specific embodiments of the present invention will be described in more detail below with reference to the schematic diagrams. The advantages and features of the invention will become clearer from the following description and the scope of the patent application. It should be noted that the drawings are in a very simplified form and all use inaccurate proportions, which are only used to facilitate and clearly assist the description of the embodiments of the present invention.

Example one

As shown in FIG. 1, in conjunction with FIGS. 4-7, an embodiment of the present invention provides an additive manufacturing device, which includes: a workpiece table module 1 and a housing additive module 2 configured to be located on the workpiece table module 1. A casing 101 is formed thereon; a metal wiring module 3 configured to provide a metal wiring 102 on the casing 101; a wiring repair module 4 configured to detect a wiring defect and repair the defect to form a repaired defect 103 ; Wherein the housing additive module 2 is further configured to form a shell cover 104 on the housing 101 after repairing the defect, and the shell cover 104 can serve as a protective layer of the housing 101 and has a stable metal wiring Structure, the effect of preventing metal wiring from oxidation.

Further, the housing additive module 2 includes a feeding system 21 and an additive processing module, and the additive processing module is configured to process the feeding system 21 on the workpiece table module 1 to provide Material to form the casing 101. In this embodiment, the feeding system 21 is configured to provide plastic powder, and the additive processing module includes a laser light sintering unit 22 and a powder spreading device 23. The laser light sintering unit 22 may adopt a laser light scanning galvanometer system Specifically, the first galvanometer 201 and the first laser light source 202 are included.

Preferably, the housing additive module 2 further includes a recovery system 24 for recovering excess plastic powder after laser light sintering. In this embodiment, the feeding system 21, the workpiece table module 1, and the recovery system 24 can be set to be able to move up and down in the Z direction, and the powder coating and powder recovery can be completed in the X direction by the powder coating device 23.

In this embodiment, the plastic powder is sintered in layers, and the sintering path and pattern are determined according to the target processing model. After each layer of sintering is completed, the workpiece table module 1 is moved downward by a distance equivalent to the thickness of the sintered layer. After the workpiece table module 1 is moved downward in Z, the plastic powder is spread on the workpiece table module 1 from the feeding system 21 through the powder coating device 23. The excess plastic powder on the workpiece table module 1 will be transferred to the recycling system 24 through the powder coating device 23. After the recycling system 24 finishes recovering one layer of plastic powder, Z is moved downward, and finally the powder coating device 23 returns to the starting position. The operation is repeated to form the casing 101.

Further, the metal wiring module 3 includes a metal slurry carrying cavity 31, a connecting rod mechanism 32, a metal deposition nozzle 33, and a filtering system 34. The metal slurry carrying cavity 31 passes through the connecting rod mechanism 32 and metal The deposition nozzle 33 is connected, and the filtering system 34 is connected to the link mechanism 32. Preferably, the link mechanism 32 can move in three directions of X, Y and Z, the metal deposition nozzle 33 can move in six degrees of freedom, and the width of the metal lines formed by the metal wiring module 3 is, for example, 5 to 150um.

Specifically, the metal wiring module 3 further includes a heating module (not shown in the figure). The heating module is configured to solidify the metal wiring. The heating module may be provided on the work table module 1 for heating, for example. The temperature may be, for example, 100 to 200 ° C.

In this embodiment, the wiring repair module 4 includes an image sensor 41, a laser light unit 42, and a chemical vapor deposition unit 43, and the image sensor 41 detects a metal cloth of the metal wiring module 3. Line defect, for example, the image sensor 41 can be installed on the link mechanism 32 in the metal wiring module 3 and moves with the metal deposition nozzle 33, and the image sensor 41 can also be fixed to the laser light of the laser light unit 42 The laser light unit 42 and the chemical vapor deposition unit 43 repair the defect according to the detection situation of the image sensor 41.

Please continue to refer to FIG. 1. The chemical vapor deposition unit 43 includes a gas storage unit 403, a connection pipe 404, a gas nozzle 405, and a gas extraction device 407. The gas storage unit 403 is connected through the connection pipe 404 and the gas nozzle 405 to provide Reactive gas. Preferably, the laser head of the laser light unit 42 can move in six degrees of freedom, the connecting pipeline 404 can move in three directions of X, Y, and Z, and the gas nozzle 405 can move in six degrees of freedom.

In order to provide protection during the repair process, the chemical vapor deposition unit 43 further includes an inert gas unit. The inert gas provided by the inert gas unit is emitted through the protective cover, and the protective cover is disposed on the outer ring of the gas nozzle. So that the inert gas can surround the reaction gas and form a relatively isolated reaction environment to avoid interference with the reaction process. In this embodiment, a gas flow adjustment device (not shown) is provided on the protective cover to adjust the gas flow rate flowing through the protective cover. The gas nozzle 405 and the protective cover 406 can also move in six degrees of freedom. As shown in FIG. 2a and FIG. 2b, the protective cover can control the opening of the semi-circular part and close the other semi-circular part. The opened hole sprays nitrogen or other inert gas to isolate the reaction gas from the reaction zone without running to the outside area. While the laser light is irradiating, a metal reaction gas is passed in for chemical vapor deposition to repair defects in the disconnected circuit, and the exhaust gas generated during the repair process is exhausted by the gas extraction device 407.

In this embodiment, the additive manufacturing apparatus further includes a molding cavity 5 for implementing additive manufacturing, and the inside of the molding cavity 5 can be set to a vacuum to protect different metal materials in the metal wiring process. Preferably, the molding cavity 5 includes a laser light protection lens 51. In this embodiment, the laser light sintering unit 22 and the laser light unit 42 may both be configured as a laser scanning galvanometer system. The laser light unit 42 includes a second galvanometer 401, a second laser light source 402, and a laser light head ( (Not shown), the functions of the laser light sintering unit 22 and the laser light unit 42 can be implemented by using only one laser light scanning galvanometer system, or the laser light sintering unit 22 and the laser can be realized by two laser light scanning galvanometer systems respectively The function of the light emitting unit 42.

An embodiment of the present invention also provides an additive manufacturing method, including:
Step 1: Construct a housing 101 on the workpiece table module 1 through the housing additive module 2;
Step 2: Set the metal wiring 102 on the casing 101 through the metal wiring module 3;
Step 3: Detect wiring and repair defects through wiring repair module 4;
Step 4: Adding the shell cover 104 to the rear shell through the shell additive module 2.

Further, the step 1 specifically includes:
Step 1.1: Provide a target processing model;
Step 1.2: The shell additive module 2 is processed according to the target processing model to obtain the shell 101.

Further, the material is provided through the feeding system 21, and the material is processed by the additive processing module to obtain the casing 101. In this embodiment, the plastic powder is provided by the feeding system 21, the plastic powder is laid on the workpiece table module by the powder spreading device 23, and the material is processed by the laser light sintering unit 22 to obtain the shell 101.

Preferably, the excess plastic powder generated by the sintering is recovered to the recovery system 24 through the powder spreading device 23. In this embodiment, the feeding system 21, the work table module 1 and the recovery system 24 can be set to be able to move up and down in the z direction, and the powder coating and powder recovery are completed by the powder coating device 23.

Further, the step 2 specifically includes:

The metal slurry is provided through the metal slurry bearing cavity 31, and is transmitted to the metal deposition nozzle 33 through the link mechanism 32. A metal wiring 102 is provided on the casing 101, and a filtering system 34 is provided on the link mechanism 32. The metal slurry supplied from the metal slurry carrying cavity to the metal deposition nozzle is filtered.

Specifically, after the metal wiring 102 is deposited on the casing 101 through the metal deposition nozzle 33, the metal wiring is cured by a heating module.

Further, the step 3 specifically includes:

The metal wiring defects of the metal wiring module 3 are detected by the image sensor 41, and the defects are repaired by the laser light unit 42 and the chemical vapor deposition unit 43 according to the detection conditions of the image sensor 41.

Further, the step of detecting a metal wiring defect of the metal wiring module 3 through the image sensor 41 includes:

Setting an image sensor that moves synchronously with the metal wiring module;

During the wiring process, the metal wiring of the metal wiring module 3 is recorded and tracked by the image sensor 41.

Further, the step of repairing the defect by the laser light unit and the chemical vapor deposition unit according to the detection condition of the image sensor 41 includes:

Acquiring the metal wiring conditions recorded by the image sensor 41, and acquiring wiring defects generated by the wiring of the metal wiring module 3;

The laser light unit and the chemical vapor deposition unit 43 are respectively controlled to move according to the wiring defect, so that the laser light of the laser light unit irradiates the reaction gas provided by the chemical vapor deposition unit to repair the defect.

Please continue to refer to FIG. 1. The chemical vapor deposition unit 43 includes a gas storage unit 403, a connection pipe 404, a gas nozzle 405, and a gas extraction device 407. The gas storage unit 403 is connected through the connection pipe 404 and the gas nozzle 405. In order to provide protection during the repair process, the chemical vapor deposition unit 43 further includes an inert gas unit. The inert gas unit controls the spray through the protective cover 406. During the repair process, the laser head (not shown) of the laser light unit 42 may With six degrees of freedom, the gas nozzle 405 together with the protective cover 406 can also move with six degrees of freedom. As shown in FIG. 2a and FIG. 2b, the protective cover can control the opening of the semi-circular part and close the other semi-circular part. The opened hole sprays nitrogen or other inert gas to isolate the reaction gas from the reaction zone without running to the outside area. While the laser light is irradiating, a metal reaction gas is passed in for chemical vapor deposition to repair defects in the disconnected circuit, and the exhaust gas generated during the repair process is exhausted by the gas extraction device 407.

In this embodiment, the additive manufacturing apparatus further includes a molding cavity 5 for implementing additive manufacturing, and the inside of the molding cavity 5 can be set to a vacuum to protect different metal materials in the metal wiring process. Preferably, the molding cavity 5 includes a laser light protection lens 51.

Please refer to FIG. 3, the specific implementation method of the additive processing provided by this embodiment includes:
1. Use the STL format file of the three-dimensional slice of the three-dimensional model as the target processing model;
2. The powder spreading device 23 spreads the plastic powder from the feeding system 21 onto the workpiece table module 1 according to the layer thickness;
3. The laser light sintering unit 22 sinters the plastic powder on the workpiece table module 1;
Fourth, by repeating steps 2 and 3, a basic plastic casing 101 is formed;
5. According to the layering of the STL format file, the metal wiring module 3 is used to deposit the metal lines 102 on the corresponding positions of the casing 101 and heat-cured;
6. According to the circuit defects recorded and tracked by the image sensor 41 during metal deposition wiring, laser light is irradiated to the reaction gas for chemical vapor deposition to repair the metal disconnection defects;
7. According to the layering of the STL format file, the powder coating device 23 is used to flatten the plastic powder from the feeding system 21 to the workpiece table module 1 according to the layering thickness;
8. The laser light sintering unit 22 sinters the plastic powder on the workpiece table module 1;
Nine, repeat steps 7 and 8 to form a shell cover 104 for a plastic shell cover.

Example two

Referring to FIG. 8, unlike the first embodiment, the feeding system 21 in the second embodiment is configured to provide a plastic wire, and the additive processing module includes a plastic wire print head. Further, the plastic wire is provided through the feeding system 21, and the additive manufacturing device further includes a movement mechanism 26, which drives the plastic wire print head 25 to move to process the material to obtain the casing, and the movement mechanism 26 It can drive the plastic wire print head 25 to move in the X, Y, and Z directions. The plastic wire print head 25 can perform six-degree-of-freedom movements. The movement mechanism 26 drives the metal deposition nozzle 33 to implement metal wiring, such as six-degree-of-freedom movement. .

Please refer to FIG. 9, the specific implementation method of the additive processing provided in this embodiment includes:
1. Use the STL format file of the three-dimensional slice of the three-dimensional model as the target processing model;
2. According to the layering of the STL format file, the plastic wire print head 25 is controlled by the movement mechanism 26 to realize six-degree-of-freedom movement, and the plastic casing is additively manufactured;
Third, by repeating step two, a basic plastic casing 101 is formed;
4. According to the layering of the STL format file, the metal deposition nozzle 33 is controlled by the movement mechanism 26 to realize a six-degree-of-freedom movement, and the metal line 102 is deposited on the corresponding position and cured by heating;
5. According to the circuit defects recorded and tracked by the image sensor during metal deposition, the reaction gas is irradiated with laser light for chemical vapor deposition to repair the metal disconnection defect 103;
6. According to the layering of the STL format file, the plastic wire print head 25 is controlled by the movement mechanism 26 to realize a six-degree-of-freedom movement to form a shell cover 104 used as a plastic shell covering layer.

FIG. 8 illustrates the laser light sintering unit 22, but does not illustrate the laser light unit 42. Those skilled in the art can directly know the other contents of the second embodiment without any doubt based on the first embodiment, and will not be repeated here.

Embodiments of the present invention provide an additive manufacturing device and manufacturing method, which solves the problems of time-consuming, large errors, and poor processing accuracy of the existing offline repair methods, and can perform embedded circuits without unloading the workbench module and substrate. Online repair can save equipment purchase cost and production line space, and can reduce manufacturing time and shorten the manufacturing chain, and improve the subsequent processing accuracy of the substrate.

The above are only preferred embodiments of the present invention, and do not play any limiting role on the present invention. Any person skilled in the art, within the scope not departing from the technical solution of the present invention, make any equivalent replacement or modification to the technical solution and technical content disclosed in the present invention without departing from the technical solution of the present invention. The content still falls within the protection scope of the present invention.

1‧‧‧Workbench module

2‧‧‧ Housing Additive Module

3‧‧‧Metal wiring module

4‧‧‧Wiring repair module

5‧‧‧forming cavity

101‧‧‧shell

102‧‧‧Metal wiring

103‧‧‧ Defects fixed

104‧‧‧shell cover

21‧‧‧feeding system

22‧‧‧laser light sintering unit

201‧‧‧The first galvanometer

202‧‧‧The first laser light source

23‧‧‧ powder spreading device

24‧‧‧ Recovery System

25‧‧‧Plastic wire print head

26‧‧‧Sports Agency

31‧‧‧ metal slurry bearing cavity

32‧‧‧ connecting rod mechanism

33‧‧‧ metal deposition nozzle

34‧‧‧filtration system

41‧‧‧Image Sensor

42‧‧‧laser light unit

401‧‧‧Second galvanometer

402‧‧‧second laser light source

43‧‧‧ chemical vapor deposition unit

403‧‧‧Gas storage unit

404‧‧‧connection pipeline

405‧‧‧gas nozzle

406‧‧‧Protective cover

407‧‧‧Gas extraction device

51‧‧‧laser light protection lens

FIG. 1 is a schematic structural diagram of an additive manufacturing apparatus according to Embodiment 1 of the present invention; FIG.

FIG. 2a is a front view of a gas nozzle and a protective cover according to the first embodiment of the present invention; FIG.

2b is a bottom view of a gas spray head and a protective cover provided in Embodiment 1 of the present invention;

3 is a flowchart of an additive manufacturing method provided by Embodiment 1 of the present invention;

4 is a schematic structural diagram of a shell manufactured by a shell additive module according to Embodiment 1 of the present invention;

FIG. 5 is a schematic structural diagram of manufacturing a metal wiring on a case by the metal wiring module provided in Embodiment 1 of the present invention; FIG.

6 is a schematic diagram of a wiring repair module for repairing wiring defects according to the first embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a shell additive module forming a shell cover on a shell according to the first embodiment of the present invention; FIG.

FIG. 8 is a front view of the additive manufacturing apparatus provided by Embodiment 2 of the present invention; FIG.

FIG. 9 is a flowchart of an additive manufacturing method according to a second embodiment of the present invention.

Claims (22)

An additive manufacturing device, comprising: Workbench module; A housing additive module configured to form a housing on the workpiece table module; A metal wiring module configured to provide metal wiring on the casing; A wiring repair module configured to detect a defect of the metal wiring and repair the defect; Wherein, the shell additive module is further configured to form a shell cover on the shell after repairing the defect. The additive manufacturing device according to claim 1, wherein the housing additive module includes a feeding system and an additive processing module, and the additive processing module is configured to process on the workpiece table module The material provided by the feeding system to form the casing. The additive manufacturing device according to claim 2, wherein the feeding system is configured to provide plastic powder, the additive processing module includes a laser light sintering unit and a powder coating device, and the powder coating device includes a first vibration The mirror and the first laser light source are configured to lay the plastic powder on the workpiece table module, and the laser light sintering unit is configured to process the material to obtain the housing. The additive manufacturing device according to claim 3, wherein the housing additive module further includes a recovery system for recovering excess plastic powder after laser light sintering. The additive manufacturing apparatus according to claim 2, wherein the feeding system is configured to provide a plastic wire, and the additive processing module includes a plastic wire print head. The additive manufacturing device according to claim 1, wherein the metal wiring module includes a metal slurry carrying cavity, a connecting rod mechanism, a metal deposition nozzle, a filtering system, and a heating module, and the metal slurry carrying cavity passes through The link mechanism is connected to the metal deposition nozzle, the filtering system is connected to the link mechanism, and the heating module is configured to solidify the metal wiring. The additive manufacturing apparatus according to claim 1, wherein the wiring repair module includes an image sensor, a laser light unit, and a chemical vapor deposition unit, and the image sensor detects the defect of the metal wiring , The laser light unit and the chemical vapor deposition unit repair the defect according to a situation detected by the image sensor. The additive manufacturing device according to claim 7, wherein the image sensor is fixed on the laser light unit and moves synchronously with a laser head of the laser light unit, or the image sensor is fixed on the laser light unit The metal wiring module moves synchronously with the metal wiring module. The additive manufacturing apparatus according to claim 7, wherein the laser light unit includes a second galvanometer, a second laser light source, and a laser head, and the second laser light source is connected to the laser head. The additive manufacturing apparatus according to claim 7, wherein the chemical vapor deposition unit includes a gas storage unit, a connection pipe, a gas nozzle, a gas extraction device, an inert gas unit, and a protective cover, and the gas extraction device It is used to discharge the exhaust gas generated during the repair process. The gas storage unit is connected to the gas nozzle through the connection pipe to provide a reactive gas. The inert gas provided by the inert gas unit is emitted through the protective cover. The protective cover is disposed on an outer ring of the gas nozzle. The additive manufacturing apparatus according to claim 10, wherein a gas flow adjustment device is provided on the protective cover to adjust a gas flow rate flowing through the protective cover. An additive manufacturing method, comprising: Step 1: Construct the shell on the workpiece table module through the shell additive module; Step 2: Set up metal wiring on the casing through a metal wiring module; Step 3: Detect the defects of the metal wiring and repair the defects through a wiring repair module; Step 4: Form a shell cover on the wired shell through the shell additive module. The additive manufacturing method according to claim 12, wherein the step 1 includes: Provide a target processing model; The shell additive module is processed to obtain the shell according to the target processing model. The additive manufacturing method according to claim 13, wherein the step 1 further comprises: providing materials through a feeding system, and processing the materials through an additive processing module to obtain the shell. The additive manufacturing method according to claim 14, wherein the step 1 further comprises: providing plastic powder through the feeding system, laying the plastic powder on a workpiece table module through a powder laying device, and sintering by laser The unit processes the material to obtain the shell. The additive manufacturing method according to claim 15, wherein the step 1 further comprises: recycling the excess plastic powder generated by sintering to the recycling system through the powder spreading device. The additive manufacturing method according to claim 14, wherein the material is provided through a feeding system, and the material is processed through an additive processing module to obtain the shell, further comprising: A plastic wire is provided through the feeding system, and the material is processed through a plastic wire print head to obtain the housing. The additive manufacturing method according to claim 12, wherein the step 2 includes: The metal paste is provided through the metal paste bearing cavity, and the metal wiring is provided on the casing after being transmitted to the metal deposition nozzle through the link mechanism. The additive manufacturing method according to claim 18, wherein the step 2 further comprises: providing a filtering system on the link mechanism to filter the metal provided from the metal slurry bearing cavity to the metal deposition nozzle After the slurry deposits the metal wiring on the casing through the metal deposition nozzle, the metal wiring is further cured by a heating module. The additive manufacturing method according to claim 12, wherein the step 3 includes: A metal wiring defect of the metal wiring module is detected by an image sensor, and the defect is repaired by a laser light unit and a chemical vapor deposition unit according to a detection condition of the image sensor. The additive manufacturing method according to claim 13, wherein the step of detecting a defect of the metal wiring by an image sensor includes: Setting an image sensor that moves synchronously with the metal wiring module; During the wiring process, the condition of the metal wiring is recorded and tracked by the image sensor. The additive manufacturing method according to claim 21, wherein the step of repairing the defect by a laser light unit and a chemical vapor deposition unit according to a situation detected by the image sensor includes: Acquiring the metal wiring conditions recorded by the image sensor, and acquiring the defects generated by the metal wiring module wiring; The laser light unit and the chemical vapor deposition unit are respectively controlled to move according to the wiring defect, so that the laser light of the laser light unit irradiates the reaction gas provided by the chemical vapor deposition unit to repair the defect.