阅读说明：本技术 一种电弧增材与深冷轧制成形复合制造装置和方法 (Electric arc additive and cryogenic rolling forming composite manufacturing device and method ) 是由 张涛 李回归 龚海 吴运新 于 2021-09-23 设计创作，主要内容包括：一种电弧增材与深冷轧制成形复合制造装置和方法,该装置包括基座、工作台,工作台设于基座上,可在基座上水平移动,工作台上方设有轧制变形模块、温度保持模块和电弧增材模块,基座上还设有深冷处理模块。还包括一种电弧增材与深冷轧制成形复合制造方法。还包括一种电弧增材与深冷轧制成形复合制造方法。本发明将电弧增材与深冷变形相结合,深冷变形利用某些金属材料在深冷情况下具有优异的塑性变形能力以及深冷环境阻碍变形过程中位错运动和再结晶行为,促使材料晶粒细化,提高材料强度与韧性。(The device comprises a base and a workbench, wherein the workbench is arranged on the base and can horizontally move on the base, a rolling deformation module, a temperature maintaining module and an electric arc material increasing module are arranged above the workbench, and a cryogenic treatment module is also arranged on the base. Also comprises a composite manufacturing method of electric arc additive and deep cooling rolling forming. Also comprises a composite manufacturing method of electric arc additive and deep cooling rolling forming. According to the invention, electric arc additive and cryogenic deformation are combined, and the cryogenic deformation utilizes the excellent plastic deformation capability of some metal materials under the cryogenic condition and the behavior of dislocation motion and recrystallization in the deformation process obstructed by the cryogenic environment, so that the material grains are refined, and the strength and toughness of the material are improved.)

1. The utility model provides an electric arc vibration material disk and cryrogenic rolling shaping combined manufacturing device which characterized in that: including base, workstation, the workstation is located on the base, can be on the base horizontal migration, the workstation top is equipped with rolling deformation module, temperature maintenance module and electric arc vibration material disk piece, still be equipped with the copious cooling treatment module on the base.

2. The arc additive and deep cold rolling forming composite manufacturing device according to claim 1, wherein: the device is characterized by also comprising a movement mechanism and a controller, wherein the movement mechanism is connected with the controller, and the electric arc material increasing module, the temperature maintaining module and the rolling deformation module are all connected with the movement mechanism; the rolling deformation module, the temperature maintaining module and the cryogenic treatment module are all connected with the controller.

3. The arc additive and deep cold rolling composite manufacturing device according to claim 1 or 2, characterized in that: the novel horizontal moving workbench is characterized in that a lug is arranged on one side of the workbench, a groove is formed in the other side of the workbench, a screw rod is arranged between the two ends of the base and located on one side of the base, a bearing block matched with the groove of the workbench in use is arranged on the inner side of the other side of the base, the groove is movably connected to the bearing block, the screw rod penetrates through the lug, a second motor is connected with the screw rod, and the second motor rotates through driving the screw rod so as to drive the workbench to horizontally move in the base.

4. The arc additive and deep cold rolling forming composite manufacturing device according to claim 2, wherein: the temperature maintaining module comprises a first temperature sensor and a first spray head, and the first temperature sensor and the first spray head form an inclined angle with the horizontal plane; the first temperature sensor is connected with the controller.

5. The arc additive and deep cold rolling forming composite manufacturing device according to claim 4, wherein: the cryogenic treatment module comprises a cryogenic box and a liquid nitrogen storage tank, the cryogenic box is arranged on the base and comprises a cryogenic box body, and the cryogenic box body is connected with the liquid nitrogen storage tank through a liquid nitrogen recovery pipeline; a second temperature sensor and a second injection head are arranged in the cryogenic box body, and the first injection head and the second injection head are both connected with a liquid nitrogen storage tank through a liquid nitrogen output pipeline; the deep cooling box body is of an interlayer structure, and a foaming material is filled between an inner interlayer and an outer interlayer of the deep cooling box body.

6. The arc additive and deep cold rolling forming composite manufacturing device according to claim 5, wherein: the deep cooling treatment module further comprises a first motor, the deep cooling box further comprises a deep cooling box cover, the deep cooling box cover is arranged on the side face of the deep cooling box body, the deep cooling box cover is connected with the first motor, the first motor is connected with the controller, and the controller controls the first motor to open and close the deep cooling box cover.

7. The arc additive and deep cold rolling forming composite manufacturing device according to claim 5, wherein: and a liquid nitrogen injection loop control valve is arranged on the liquid nitrogen output pipeline and is connected with the controller, and the controller controls the liquid nitrogen injection loop control valve so as to adjust the liquid nitrogen ejection amount of the first injection head and the second injection head.

8. The arc additive and deep cold rolling composite manufacturing device according to claim 1 or 2, characterized in that: the electric arc material increase module comprises a welding gun and a wire feeding mechanism, and the welding gun is connected with a welding power supply.

9. The arc additive and deep cold rolling forming composite manufacturing device according to claim 2, wherein: the rolling deformation module comprises a roller and a pressure sensor connected above the roller, a hydraulic cylinder is arranged above the pressure sensor, rolling pressing deformation is achieved through the hydraulic cylinder, and the pressure sensor and the hydraulic cylinder are connected with a controller.

10. The composite manufacturing method of electric arc additive and deep cooling rolling forming is characterized in that: the method comprises the following steps:

(1) cleaning the surface of the substrate by using an alkaline solution, removing oil stains, polishing the surface of the substrate, removing an oxidation film, and cleaning the surface of the substrate by using an acetone reagent;

(2) connecting the substrate and the workbench together through a clamp;

(3) opening the second injection head, and adjusting a liquid nitrogen injection loop control valve to enable the temperature in the cryogenic box to reach a preset cryogenic temperature;

(4) the controller controls the movement of the welding gun to be matched with the wire feeding mechanism to move, so that electric arc additive deposition is realized, and an electric arc deposition layer is formed;

(5) after one or more layers of arc deposition are finished, moving the workbench to a cryogenic box, carrying out cryogenic treatment on the arc deposition layer, and measuring the surface temperature of the arc deposition layer through a second temperature sensor; when the surface temperature of the arc deposition layer reaches a preset cryogenic deformation temperature, the workbench is moved out of the cryogenic box; the roller carries out cryogenic rolling deformation on the surface of the arc deposition layer, the first temperature sensor monitors the temperature of the arc deposition layer in real time, and the controller controls the first spray head according to a monitoring temperature signal to enable the arc deposition layer to keep the temperature required by the cryogenic deformation all the time;

(6) after rolling is finished, the electric arc deposition layer is restored to the room temperature;

(7) continuing to perform the next layer of electric arc additive deposition process;

(8) and (5) repeating the steps (4) to (7) to form the preset workpiece shape by layer-by-layer accumulation.

Technical Field

The invention relates to an additive manufacturing device and method, in particular to an electric arc additive and cryogenic rolling forming composite manufacturing device and method.

Background

The electric arc additive manufacturing is an additive manufacturing technology for depositing a final part layer by layer according to the three-dimensional shape of the part by melting metal wires through electric arc heat. The electric arc additive manufacturing has high deposition efficiency and low manufacturing cost, and has great potential in the rapid flexible manufacturing of large-size metal components. However, the arc heat input is high, coarse grains are easy to appear in the material, so that the mechanical property of the component is reduced, and the large-scale application of the component in the industry is influenced.

Rolling is used as a plastic processing technology, and a large pressure is applied to the surface of metal by a roller, so that the material generates large plastic deformation. Researchers have integrated rolling into electric arc additive manufacturing, and by adding plastic deformation layer by layer, coarse grains can be effectively broken, the mechanical property of the material is remarkably improved, and the anisotropy is improved.

Cryogenic rolling refers to a low-temperature deformation technique in which a plate is placed in liquid nitrogen (the temperature of the liquid nitrogen is about-196 ℃) and is kept warm for a period of time, and then rolling is performed after the preset temperature is reached. The hardness and the strength of the material after the deep cooling rolling can be improved, high-density dislocation can be generated, the area of a crystal boundary is increased, and the corrosion resistance of the material is improved. The texture of the material after cryogenic rolling is finer, and the yield strength, tensile strength and elongation of the material after heat treatment are all obviously improved.

CN209652374U discloses a cryogenic box that promotes gas flow, including the box, set up the drive arrangement outside the box and set up the air inlet section of thick bamboo in the box, utilize drive arrangement drive air inlet section of thick bamboo to rotate, the lateral wall of box sets up the liquid nitrogen entry. The driving device drives the air inlet cylinder to rotate, and nitrogen is led to the roller through the air inlet cylinder, so that the roller is cooled uniformly, and the cryogenic quality is improved. The problems of the method are that: (1) the fan has the problems of high failure rate and short service life under the low-temperature severe working condition; (2) the fan or fan needs extra electric energy input, simultaneously according to the energy relation, needs this part of electric energy of liquid nitrogen cold volume to close, has increased the liquid nitrogen consumption, (3) adopt in the cryogenic treatment device of fan, because the new trend is difficult to mix with the liquid nitrogen is even, can lead to the temperature control precision to worsen.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the background technology, and provide the electric arc additive and cryogenic rolling forming composite manufacturing device and method which are easy to operate, high in precision, high in efficiency and low in cost, and can obviously refine grains, improve microstructures and improve comprehensive mechanical properties of materials.

The technical scheme adopted for solving the technical problems is that the electric arc additive and cryogenic rolling forming composite manufacturing device comprises a base and a workbench, wherein the workbench is arranged on the base and can horizontally move on the base, a rolling deformation module, a temperature maintaining module and an electric arc additive module are arranged above the workbench, and a cryogenic treatment module is further arranged on the base.

Furthermore, a movement mechanism and a controller are also arranged, the movement mechanism is connected with the controller, and the electric arc material increase module, the temperature maintaining module and the rolling deformation module are all connected with the movement mechanism; the rolling deformation module, the temperature maintaining module and the cryogenic treatment module are all connected with the controller.

Further, a lug is arranged on one side of the workbench, a groove is formed in the other side of the workbench, a screw rod is arranged between the two ends of the base and located on one side of the base, a bearing block matched with the groove of the workbench is arranged on the inner side of the other side of the base, the groove is movably connected to the bearing block, the screw rod penetrates through the lug, a second motor is connected with the screw rod, and the second motor rotates through driving the screw rod so as to drive the workbench to horizontally move in the base.

Further, the temperature maintaining module comprises a first temperature sensor and a first spray head, and the first temperature sensor and the first spray head form an inclined angle with the horizontal plane; the first temperature sensor is connected with the controller.

Further, the cryogenic treatment module comprises a cryogenic box and a liquid nitrogen storage tank, the cryogenic box is arranged on the base and comprises a cryogenic box body, and the cryogenic box body is connected with the liquid nitrogen storage tank through a liquid nitrogen recovery pipeline; a second temperature sensor and a second injection head are arranged in the cryogenic box body, and the first injection head and the second injection head are both connected with a liquid nitrogen storage tank through a liquid nitrogen output pipeline; the deep cooling box body is of an interlayer structure, and a foaming material is filled between an inner interlayer and an outer interlayer of the deep cooling box body.

Further, the cryogenic treatment module still includes first motor, the cryogenic box still includes the cryogenic box lid, and the cryogenic box lid is located cryogenic box body side, and the cryogenic box lid links to each other with first motor, first motor links to each other with the controller, and the first motor of controller control is opened and is closed the cryogenic box lid.

Further, a liquid nitrogen injection loop control valve is arranged on the liquid nitrogen output pipeline and connected with the controller, and the controller controls the liquid nitrogen injection loop control valve so as to adjust the liquid nitrogen injection amount of the first injection head and the second injection head.

Further, the electric arc material increase module comprises a welding gun and a wire feeding mechanism, and the welding gun is connected with a welding power supply.

Further, the rolling deformation module comprises a roller and a pressure sensor connected above the roller, a hydraulic cylinder is arranged above the pressure sensor, rolling pressing deformation is achieved through the hydraulic cylinder, and the pressure sensor and the hydraulic cylinder are both connected with the controller.

An electric arc additive and cryogenic rolling forming composite manufacturing method comprises the following steps:

(1) cleaning the surface of the substrate by using an alkaline solution, removing oil stains, polishing the surface of the substrate, removing an oxidation film, and cleaning the surface of the substrate by using an acetone reagent;

(2) connecting the substrate and the workbench together through a clamp;

(3) opening the second injection head, and adjusting a liquid nitrogen injection loop control valve to enable the temperature in the cryogenic box to reach a preset cryogenic temperature;

(4) the controller controls the movement of the welding gun to be matched with the wire feeding mechanism to move, so that electric arc additive deposition is realized, and an electric arc deposition layer is formed;

(5) after one or more layers of arc deposition are finished, moving the workbench to a cryogenic box, carrying out cryogenic treatment on the arc deposition layer, and measuring the surface temperature of the arc deposition layer through a second temperature sensor; when the surface temperature of the arc deposition layer reaches a preset cryogenic deformation temperature, the workbench is moved out of the cryogenic box; the roller carries out cryogenic rolling deformation on the surface of the arc deposition layer, the first temperature sensor monitors the temperature of the arc deposition layer in real time, and the controller controls the first spray head according to a monitoring temperature signal to enable the arc deposition layer to keep the temperature required by the cryogenic deformation all the time;

(6) after rolling is finished, the electric arc deposition layer is restored to the room temperature;

(7) continuing to perform the next layer of electric arc additive deposition process;

(8) and (5) repeating the steps (4) to (7) to form the preset workpiece shape by layer-by-layer accumulation.

Compared with the prior art, the invention has the following advantages:

1. the electric arc additive manufacturing process is assisted by the coupling effect of the external cryogenic temperature field and the force field, the material is rapidly cooled by using external cryogenic treatment, cryogenic deformation is applied to the material by the roller, dislocation motion is inhibited by cryogenic ultra-low temperature to promote grain refinement, and the mechanical property of the material is greatly improved.

2. The invention adopts a gas method to carry out subzero treatment on the workpiece; compared with a liquid method, the gas method cryogenic treatment mode can obtain lower cryogenic treatment temperature, has higher cooling efficiency and more accurate temperature control, and can avoid the impact effect caused by directly putting the workpiece into liquid nitrogen in the cryogenic treatment process, thereby reducing the cracking of the workpiece, avoiding the direct contact of people and the liquid nitrogen and having higher safety.

3. The controller of the deep cooling box adopted by the invention controls the valve by controlling the liquid nitrogen supply loop, and can adjust the liquid nitrogen ejection quantity of the liquid nitrogen ejection port, thereby controlling the temperature of the deep cooling treatment. The refinement of the structure after the cryogenic treatment can improve the comprehensive mechanical property of the material.

4. The invention utilizes the screw rod to drive the workbench, the workbench can be quickly moved into the cryogenic box, the time interval between the cryogenic treatment and the rolling treatment process is shortened, the working efficiency is improved, meanwhile, the direct contact of people to the arc deposition layer can be avoided, and the safety coefficient is improved.

5. According to the invention, cryogenic rolling deformation is adopted after electric arc material increase, the electric arc deposition layer can be kept at a low temperature all the time through the jet orifice and the temperature sensor in the rolling process, and meanwhile, the uniformity and consistency of the cryogenic deformation temperature are kept, so that the uniformity of the mechanical property of the material increase component is further ensured.

6. The workbench is provided with a groove, the base is provided with a bearing block, and the groove is matched with the bearing block during installation. In the rolling process, the bearing block replaces a screw rod to bear the rolling force from the roller vertically downwards, so that the screw rod is prevented from being stressed and deformed to influence transmission; meanwhile, the screw rod is distributed on the side surface of the device, and the effect of reducing the load of the screw rod can be achieved.

7. According to the invention, the stainless steel annular hose is used as a liquid nitrogen pipeline, so that heat exchange of liquid nitrogen in the pipe in the outside can be reduced, furthermore, the cryogenic box body is of a three-layer structure, stainless steel materials are arranged inside and outside the cryogenic box body, and a foaming material is filled between an inner interlayer and an outer interlayer of the cryogenic box body, so that heat exchange between the cryogenic box body and the outside can be reduced, the cryogenic treatment efficiency is improved, and the consumption of liquid nitrogen is reduced; and a liquid nitrogen recovery pipeline is arranged and connected with the liquid nitrogen storage tank, and the redundant liquid nitrogen can be recovered after the processing is finished.

8. The invention adopts a platinum resistance temperature sensor which can work normally at low temperature; a plurality of platinum resistance temperature sensors are uniformly distributed in the deep cooling box, and temperature field distribution uniformity data in the range of the deep cooling box can be obtained.

9. The invention can monitor the rolling force in real time during the rolling process, and the rolling roller can directly adjust the rolling reduction load value through the hydraulic cylinder above the rolling roller according to the data of the pressure sensor, thereby realizing real-time controllable deformation treatment.

10. The invention has the advantages of reasonable structural design, simple operation, strong applicability, high automation degree, high forming precision and low cost.

Drawings

FIG. 1 is a schematic structural diagram of an arc additive and deep cold rolling composite manufacturing apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the base (including a table and a cryogenic tank) of the embodiment shown in fig. 1.

Fig. 3 is a schematic structural view of the deep cooling box of the embodiment shown in fig. 1.

In the figure, 1-substrate, 2-workbench, 2-1-lug, 2-groove, 3-screw rod, 4-base, 4-1-mounting hole, 4-2-bearing block, 5-clamp, 6-roller, 7-pressure sensor, 8-hydraulic cylinder, 9-first temperature sensor, 10-arc deposition layer, 11-first spray head, 12-motion mechanism, 13-welding gun, 14-wire feeding mechanism, 15-first motor, 16-deep cooling box, 16-1-deep cooling box cover, 16-2-deep cooling box body, 16-3-stainless steel layer, 16-4-foaming material layer, 17-second temperature sensor, 18-controller, 19-second spray head, 20-liquid nitrogen spray loop control valve, 21-liquid nitrogen storage tank, 22-end cover, 23-second motor.

Detailed Description

The invention is described in further detail below with reference to the figures and specific embodiments.

FIG. 1 is a schematic structural diagram of an electric arc additive and deep cold rolling forming composite manufacturing device, wherein in FIG. 1, a solid line connected with a controller is a signal line; the dotted line is a hydraulic pipeline; the dash-dot lines are the mechanical structures between the devices and the motion mechanism. The electric arc additive and cryogenic rolling forming composite manufacturing device comprises a base 4 and a workbench 2, wherein the workbench 2 is arranged on the base 4 and can horizontally move on the base 4.

Referring to fig. 2, one side of a workbench 2 is provided with a lug 2-1, the other side is provided with a groove 2-2, a screw rod 3 is arranged between two ends of a base 4, two ends of the base 4 are respectively provided with a mounting hole 4-1, the screw rod 3 is mounted on the base 4 through the mounting holes 4-1 at the two ends, the screw rod 3 is positioned at one side of the base 4, the inner side of the other side of the base 4 is provided with a bearing block 4-2 matched with the groove 2-2 of the workbench 2 for use, the bearing block bears longitudinal force in the rolling process, the groove 2-2 is movably connected to the bearing block 4-2, the lug 2-1 is provided with a threaded hole, the screw rod 3 penetrates through the threaded hole of the lug 2-1, a gear shaft is machined at the end of the screw rod 3, a second motor 23 is connected with the screw rod 3 through an end cover 22, and the second motor 23 drives the screw rod 3 to rotate, so as to drive the workbench 2 to horizontally move in the base 4. In this embodiment, the number of the lead screws 3 is two.

A substrate 1 is arranged on the worktable 2, and the substrate 1 is fixed on the worktable 2 through a clamp 5. A rolling deformation module, a temperature maintaining module and an electric arc material increasing module are arranged above the workbench 2, the temperature maintaining module is arranged on one side of the rolling deformation module, and the electric arc material increasing module is arranged on one side of the temperature maintaining module; and the rolling deformation module performs plastic deformation on the arc deposition layer. The device is further provided with a movement mechanism 12 and a controller 18, the movement mechanism 12 is connected with the controller 18, the electric arc material adding module, the temperature keeping module and the rolling deformation module are all connected with the movement mechanism 12, and the movement mechanism 12 drives the electric arc material adding module, the temperature keeping module and the rolling deformation module to move under the control of the controller 18. The rolling deformation module and the temperature maintaining module are both connected with the controller 18.

The arc additive module comprises a welding torch 13 and a wire feeder 14, and the welding torch 13 is connected with a welding power supply.

The rolling deformation module comprises a roller 6 and a pressure sensor 7 connected above the roller 6, a hydraulic cylinder 8 is arranged above the pressure sensor 7, rolling pressing deformation is realized through the hydraulic cylinder 8, and the pressure sensor 7 and the hydraulic cylinder 8 are both connected with a controller 18.

The temperature maintaining module comprises a first temperature sensor 9 and a first spraying head 11, and the first temperature sensor 9 and the first spraying head 11 both form a certain inclination angle with the horizontal plane. The first temperature sensor 9 is connected to the controller 18.

Referring to fig. 3, a subzero treatment module is further arranged on the base 4 and connected with a controller 18, the subzero treatment module comprises a first motor 15, a subzero box 16 and a liquid nitrogen storage tank 21, the subzero box 16 is mounted on the base 4, the subzero box 16 comprises a subzero box 16-2 and a subzero box cover 16-1, the subzero box cover 16-1 is arranged on the side face of the subzero box 16-2, the subzero box cover 16-1 is connected with the first motor 15, the first motor 15 is connected with the controller 18, and the controller 18 controls the first motor 15 to open and close the subzero box cover 16-1; the cryogenic box body 16-2 is made of stainless steel, the cryogenic box body 16-2 is of an interlayer structure, and the foaming material 16-4 is filled between the inner interlayer and the outer interlayer of the cryogenic box body 16-2, so that the heat exchange between the cryogenic box body 16 and the outside can be reduced, the liquid nitrogen usage is saved, and the cryogenic treatment efficiency is improved. The cryogenic box 16-2 is connected with a liquid nitrogen storage tank 21 through a liquid nitrogen recovery pipeline.

The deep cooling box 16-2 is internally provided with a second temperature sensor 17 and a second spray head 19. The first injection head 11 and the second injection head 19 are both connected with a liquid nitrogen storage tank 21 through liquid nitrogen output pipelines, liquid nitrogen injection loop control valves 20 are arranged on the liquid nitrogen output pipelines, the liquid nitrogen injection loop control valves 20 are connected with the controller 18, and the liquid nitrogen injection loop control valves 20 are controlled through the controller 18, so that the liquid nitrogen ejection amount of the first injection head 11 and the second injection head 19 is adjusted. In this embodiment, the second temperature sensor 17 is a platinum resistance temperature sensor, the number of the second temperature sensors 17 and the number of the second spray heads 19 are three, and the three second temperature sensors 17 and the three second spray heads 19 are uniformly distributed in the deep cooling tank 16-2. The liquid nitrogen output pipeline and the liquid nitrogen recovery pipeline both adopt stainless steel annular hoses.

The cryogenic deformation temperature range of the invention is-196 ℃ to-140 ℃, and the cryogenic rolling deformation force is 5kN to 40 kN.

In the method for manufacturing the arc additive and cryogenic rolling forming composite, a 2219 aluminum alloy rolled plate is selected as a substrate, the size of the 2219 aluminum alloy rolled plate is 300mm × 100mm × 8mm, ER2319 aluminum alloy welding wires with the diameter of 1.2mm are adopted as the welding wires, and the arc additive is realized by adopting a cold metal transition process (CMT), which specifically comprises the following steps:

(1) cleaning the surface of an aluminum alloy substrate by adopting an alkaline solution, removing oil stains, polishing the surface of the substrate, removing an oxidation film, and cleaning the surface of the substrate by using an acetone reagent.

(2) The substrate 1 and the stage 2 are connected together by a jig 5.

(3) And opening the second spray head 19, and adjusting the liquid nitrogen spray loop control valve 20 to enable the temperature in the cryogenic box 16 to reach a preset cryogenic temperature, wherein the preset cryogenic temperature is-196 ℃ to-140 ℃, and in the embodiment, the cryogenic deformation temperature is-160 ℃.

(4) The controller 18 controls the welding gun 13 to move and the wire feeding mechanism 14 to move in a matched mode, electric arc additive deposition is achieved, an electric arc deposition layer 10 is formed, main process parameters in the electric arc additive manufacturing process comprise the welding speed of 10mm/s, the width of a single-channel welding line of 10mm, the wire feeding speed of 6m/min, the distance from the bottom of the welding gun 13 to a workpiece of 15mm, a local inert gas protection device is adopted in the electric arc additive manufacturing process, high-purity argon gas is filled in the device, and the gas flow is 25L/min.

(5) After one or more layers of arc deposition are finished, the workbench 2 is moved into the cryogenic box 16 through the screw rod 3, the cryogenic treatment is carried out on the arc deposition layer 10, and the surface temperature of the arc deposition layer 10 is measured through the second temperature sensor 17; when the surface temperature of the arc deposition layer 10 reaches a preset cryogenic deformation temperature, controlling the screw rod 3 to move the workbench 2 out of the cryogenic box 16; the rolling deformation module drives the roller 6 to carry out deep cooling rolling deformation on the surface of the arc deposition layer 10, the deep cooling rolling deformation force is 20kN, the first temperature sensor 9 monitors the temperature of the arc deposition layer 10 in real time, the controller 18 controls the first injector head 10 according to a monitoring temperature signal, the arc deposition layer 10 is enabled to always keep the required temperature of deep cooling deformation, and the deep cooling deformation temperature is-100 ℃.

(6) According to the deposition height of the arc deposition layer 10, the rolling reduction load is set to be 0-45 KN, the roller 6 is made of H13 tool steel, the rolling speed is 10mm/s, and after rolling is finished, the arc deposition layer 10 is restored to the room temperature.

(7) And continuing to perform the next layer of arc additive deposition process.

(8) And (5) repeating the steps (4) to (7) to form the preset workpiece shape by layer-by-layer accumulation.

The invention provides a composite manufacturing method and a device with easy operation, high precision, high efficiency and low cost aiming at metal materials which are high in strength and low in plasticity and difficult to form at normal temperature, the invention combines an electric arc material increasing process and a deep cooling rolling deformation process, can effectively break coarse structures formed in the electric arc material increasing process, refine crystal grains and improve the comprehensive mechanical property of the materials by accurately controlling the deep cooling deformation temperature and the rolling pressing load, realizes electric arc material increasing and cold rolling deformation in one working procedure, and can obviously improve the manufacturing efficiency and the manufacturing quality of the composite manufacturing process.

Various modifications and variations of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.

What is not described in detail in the specification is prior art that is well known to those skilled in the art.