TWI649185B - 3d printing device by rolling for recycling dusts and operation method thereof - Google Patents

Abstract

A dusting machine for automatically recycling powder comprises a rolling mechanism, an optical module and a powder conveying module, wherein the rolling mechanism is used for holding a workpiece to receive a powder, and the rolling mechanism is designed The cylindrical or round-shaped workpiece can be fabricated by lamination.

Description

Rolling three-dimensional printing device and operating method thereof

The present invention relates to a three-dimensional printing apparatus and an operating method thereof, and more particularly to a rolling three-dimensional printing apparatus and an operating method thereof.

The main technical content of 3D rapid prototyping (also known as 3D printing) is to put the data and raw materials into the 3D printing machine, and print the products layer by layer through the powder spreading device to form the final product. 3D printing mainly includes Selective Laser Sintering (SLS), Selective Laser Melting (SLM), Direct Metal Laser Sintering (DMLS), and electron beam Technology such as Electron Beam Melting (EBM). SLS uses low-power laser to sinter low-melting polymer powder; SLM uses high-energy beam laser to directly melt metal powder; DMLS uses laser to sinter binary metal; and EBM uses electron beam to melt metal powder.

However, the conventional laminated manufacturing in the powder supply/dusting mechanism/airflow blowing and recovery/laser processing processes may be limited by the working range of the f-Theta lens which is limited by the laser light path, only It is possible to manufacture a stacked object from a fixed plane, and it is impossible to manufacture a cylindrical or conical workpiece, and the blowing gas cannot effectively provide long-distance dust recovery, and the working range is limited by the laminar flow distance and the wind speed of the gas field.

Therefore, it is necessary to provide an improved three-dimensional printing apparatus and its operation method to solve the problems of the conventional technology.

The main object of the present invention is to provide a rolling three-dimensional printing device and a method for operating the same, which utilizes the design of a rolling mechanism to manufacture a cylindrical or circular-shaped workpiece, so that a cylindrical or conical workpiece can be designated according to a designated area. Add specific materials to create thickness and specific dimensions.

In order to achieve the above object, the present invention provides a rolling three-dimensional printing device, comprising a rolling mechanism, an optical module and a powder conveying module; the rolling mechanism is for holding a workpiece to receive a powder, and Driving the workpiece to rotate along an axis; the optical module has at least one laser source disposed above the rolling mechanism for emitting a laser light to the powder; the powder conveying module has at least one powder a channel, at least one powder passage port, two gas passages and two gas passage ports, the powder passage is disposed above the rolling mechanism, and the powder passage opening is formed at an outlet end of the powder passage for The powder is outputted to the workpiece, and the gas passages are disposed above the rolling mechanism, and the gas passages are respectively formed at one ends of the gas passages and located on two sides of the laser light for respectively outputting gas to the Above the workpiece and a dust generated by absorbing the laser light to melt the powder on the workpiece, wherein a gas flow field is formed between the gas passage openings.

In an embodiment of the invention, the rolling mechanism has two rotary axes fixed to the two sides of the workpiece.

In an embodiment of the present invention, the rolling mechanism further has two lifting frames, and the rotating shafts are respectively disposed on the lifting frames, and the lifting frames are used to drive the rotating shafts to move up and down.

In an embodiment of the invention, the powder conveying module further has at least one scraper disposed on an outer surface of one of the gas passages for contacting the workpiece.

In an embodiment of the invention, the rolling three-dimensional printing device further comprises a powder recovery tank disposed in the powder recovery tank, and the workpiece is located at a top gap of the powder recovery tank.

In an embodiment of the invention, the rolling three-dimensional printing device further comprises a material removing mechanism disposed on one side of the rolling mechanism, the material removing mechanism having a tool shaft for mounting a tool and The workpiece is cut.

In an embodiment of the present invention, the material removing mechanism further has a horizontal moving seat and a lifting seat, the lifting seat is configured to drive the horizontal moving seat to move up and down, and the horizontal moving seat is used to drive the tool shaft A plane moves.

In order to achieve the above object, the present invention provides a method for operating a rolling three-dimensional printing apparatus for processing a workpiece, the operation method comprising a powder supply step, an adjustment step, a powder coating step, a heating step, and a a step of recovering, a step of removing the material, and a step of completing the determining step; the step of supplying the powder is to deliver a certain amount of powder to the at least one powder passage through the at least one powder supply tank, and the powder is output through a powder passage port Up to a surface of a workpiece; the adjusting step is to adjust the height of the two sides of the workpiece by using two lifting frames of a rolling mechanism; the polling step is to drive the workpiece rotation by using two rotating shafts of the rolling mechanism to make at least one scraper Flattening the powder on the workpiece; the heating step is to move at least one laser source to melt a laser light emitted by the laser source The powder on the workpiece is formed on the surface of the workpiece; the recycling step is to form a gas flow field by using two gas passage ports on both sides of the laser light when the laser light melts the powder on the workpiece And absorbing the dust generated by melting the powder on the workpiece by the laser light; the material removing step is a material removing mechanism for controlling a moving position of the tool by using a material removing mechanism to remove the material of the surface of the workpiece; The completion determining step is to lower the two lifting frames of the rolling mechanism by a height, and then determine whether the workpiece is completed, and if so, take out the workpiece, if otherwise, return to the powder supplying step.

In an embodiment of the invention, before the step of supplying powder, a positioning step is further included, the positioning step is for moving the two lifting frames of the rolling mechanism to move the workpiece to a specific position.

In an embodiment of the present invention, in the material removing step, a horizontal moving seat and a lifting seat of the material removing mechanism are respectively used to drive the tool to move up and down and planarly while using the material to be removed. A tool shaft of the mechanism drives the tool to rotate or axially vibrate to remove material from the surface of the workpiece.

As described above, the rolling three-dimensional printing apparatus of the present invention can provide a laminated manufacturing method of a cylindrical or circular type workpiece, so that the cylindrical or conical type of workpiece can be colored with a specific material according to a specified area. And specific dimensions. In addition, since the rolling three-dimensional printing apparatus of the present invention can perform the powder feeding/laying/laser melting (energy source supply)/blowing and dusting action of the specific plane, it is not limited to the working range limitation of the lens mirror group and The workpiece must be a planar limit, and a cylindrical or conical workpiece can be laminated, so that the work efficiency is improved, and the workpiece is irregularly processed such as a cylindrical or conical surface, and the gas flow field cannot be long. The stroke draws the speed limit of the dust and shortens the time in the process waiting for the workpiece to be processed.

101‧‧‧Workpiece

102‧‧‧ powder

103‧‧‧Top cover

104‧‧‧Laser light

105‧‧‧dust

106‧‧‧Tools

2‧‧‧Rolling mechanism

21‧‧‧Rotary axis

22‧‧‧lifting frame

3‧‧‧Optical module

31‧‧‧Laser source

32‧‧‧ coaxial vision components

33‧‧‧ galvanometer assembly

34‧‧‧Vertical fine-tuning pedestal

4‧‧‧Powder conveyor module

41‧‧‧ powder passage

42‧‧‧ powder passage

43‧‧‧ gas passage

44‧‧‧ gas passage

45‧‧‧Scraper

5‧‧‧ powder recovery tank

51‧‧‧ top gap

6‧‧‧Material removal agency

61‧‧‧Tool axis

62‧‧‧Horizontal mobile seat

63‧‧‧ Lifting seat

A1‧‧‧ arrow

B1‧‧‧ arrow

C1‧‧‧ arrow

C2‧‧‧ arrow

C3‧‧‧ arrow

S201‧‧‧ Positioning steps

S202‧‧‧ powder feeding step

S203‧‧‧ adjustment steps

S204‧‧‧Powdering steps

S205‧‧‧heating steps

S206‧‧‧Recycling steps

S207‧‧‧Material removal steps

S208‧‧‧Complete the judgment step

1 is a side view of a preferred embodiment of a rolling three-dimensional printing apparatus according to the present invention; and FIGS. 2 and 3 are partial views of a preferred embodiment of a rolling three-dimensional printing apparatus according to the present invention; 4 is a side elevational view of another preferred embodiment of a rolling three-dimensional printing apparatus according to the present invention; and FIGS. 5 and 6 are diagrams showing another preferred embodiment of the rolling three-dimensional printing apparatus according to the present invention. A partial schematic view; and FIG. 7 is a flow chart of a preferred embodiment of a method of operating a scrolling three-dimensional printing device.

The above and other objects, features and advantages of the present invention will become more <RTIgt; Furthermore, the directional terms mentioned in the present invention, such as upper, lower, top, bottom, front, rear, left, right, inner, outer, side, surrounding, central, horizontal, horizontal, vertical, longitudinal, axial, Radial, uppermost or lowermost, etc., only refer to the direction of the additional schema. Therefore, the directional terminology used is for the purpose of illustration and understanding of the invention.

Referring to FIGS. 1 to 3, a preferred embodiment of the scrolling three-dimensional printing apparatus of the present invention includes a rolling mechanism 2, an optical module 3, and a powder conveying device. The module 4 and a powder recovery tank 5, the detailed structure, assembly relationship and operation principle of each component will be described in detail below.

Referring to FIGS. 1 to 3, the rolling mechanism 2 is used to hold a workpiece 101 to receive a powder 102, and to drive the workpiece 101 to rotate laterally along a horizontal axis (for example, parallel to the horizon). The rolling mechanism 2 is disposed in the powder recovery tank 5, and the workpiece 101 is located at a top notch 51 of the powder recovery tank 5. In this embodiment, the rolling mechanism 2 has two rotary shafts 21 and two lifting frames 22 respectively fixed on two sides of the workpiece 101, and the rotary shafts 21 are respectively disposed on the lifting frames 22 The lifting frames 22 are used to drive the rotary shafts 21 to move up and down.

The optical module 3 is disposed on a top cover 103 and above the rolling mechanism 2 for emitting a laser light 104 to the powder 102. The optical module is shown in FIG. 1 to FIG. 3 having at least one or more laser sources 31, at least one coaxial vision component 32, at least one galvanometer assembly 33 and a longitudinal fine adjustment pedestal 34, wherein the laser source 31 (for example a fiber laser or a semiconductor laser) The laser light 102 is emitted from the powder 102 received on the workpiece 101, and the powder 102 is heated, melted, and solidified to be formed on the surface of the workpiece 101. The coaxial vision component 32 is combined on the laser source 31. For matching with the sensing element, such as a thermal thermometer, a thermal imager, a charge coupled device (CCD), a photo diode, and optically sensing the workpiece 101. Obtaining a coaxial vision image; the galvanometer assembly 33 is combined on the laser source 31 for performing laser scanning with the laser source 31; the longitudinal fine adjustment base 34 is disposed on the top cover 103 for The laser source 31 is combined to enable the laser source 31 to be moved up and down in the longitudinal direction. Rate adjustment.

Referring to FIGS. 1 to 3 , the powder conveying module 4 has at least one powder passage 41 , at least one powder passage opening 42 , two gas passages 43 , two gas passage openings 44 and at least one scraper 45 . A powder passage 41 is disposed above the rolling mechanism 2, and the powder passage opening 42 is formed therein An outlet end of the powder passage 41 for outputting the powder 102 to the workpiece 101 (as indicated by an arrow B1), the gas passages 43 being disposed above the rolling mechanism 2, the gas passage openings 44 Formed at one end of the gas passages 43 and on both sides of the laser light 104 for respectively outputting gas to the upper side of the workpiece 101, and absorbing the laser light 104 generated by the laser light 104 on the workpiece 101. A dust 105, wherein a gas flow field (shown by arrow A1) is formed between the gas passage ports 44, and the scraper 45 is disposed on an outer surface of one of the gas passages 43 for contacting the workpiece 101. In this embodiment, the powder passage opening 42 is located at one side of the top notch 51 of the powder recovery tank 5, and the gas passage openings 44 are located above the top notch 51. The optical module 3 is provided with two a laser source 31 (shown in Figures 2 and 3), the laser sources 31 are arranged along a set direction, and the laser light from the laser source 31 and the gas generated by the gas channels 43 One direction of the flow field (as indicated by arrow A1) is orthogonal or forms an angle greater than 45 degrees.

According to the above structure, the two lifting frames 22 of the rolling mechanism are first controlled to perform positioning and resetting, so that the workpiece 101 is moved to a specific position; and then the powder passage 41 is transmitted through a powder feeding tank (not shown). A certain amount of powder 102 is transported, and the powder 102 is output to a surface of the workpiece 101 through the powder passage port 42; then the height of the two sides of the workpiece 101 is adjusted by the two lifting frames 22 of the rolling mechanism 2 The two sides of the workpiece 101 can be moved up and down simultaneously (see FIGS. 2 and 3); the two rotating shafts 21 of the rolling mechanism 2 drive the workpiece 101 to rotate laterally along a horizontal axis. The scraper 45 flattens the powder 102 on the workpiece 101, and the blade 45 can be powdered on one side of the cylindrical or conical workpiece 101, and is held by the rolling mechanism 2 by computer command or numerical control. The cylindrical or conical type of workpiece 101 can be rotated, and the supplied powder 102 can be laid by the rotation of the workpiece 101 via the scraper 45; then the two laser sources 31 are moved to make the laser source 31 laser light emitted by 10 4 melting The powder 102 on the workpiece 101 is formed on the surface of the workpiece 101; a gas flow field is formed by using the two gas passage ports 44 on both sides of the laser light 104 to absorb the laser light 104 to melt the workpiece 101. The dust 105 generated by the powder 102 is finally lowered by a height of the second lifting frame 22 of the rolling mechanism 2, and then it is judged whether the workpiece 101 is completed, and if so, the workpiece 101 is taken out, if otherwise, the powder feeding step S202 is returned. Until the cylindrical or conical machining process of the workpiece 101 is completed.

With the above design, the rolling three-dimensional printing apparatus of the present invention can provide a laminated manufacturing method of a workpiece 101 capable of performing a cylindrical or circular type, and at the same time, one or more laser sources 31 are disposed in a specific plane. The surface of the workpiece 101 of the cylindrical or conical shape is provided with energy of a curved surface scanning area, wherein the material can be provided by the powder conveying module 4 in a powder coating manner to stack the layers. The layer processing allows the workpiece 101 of a cylindrical or conical shape to be bonded to a specific area to produce a thickness and a specific size (as shown in Figures 2 and 3). In addition, since the rolling three-dimensional printing apparatus of the present invention can perform the operation of powder/powder/laser melting (energy source supply)/blowing dust of the specific plane, it is not limited to the lens group (f-theta lens). The working range limitation and the workpiece 101 must be planar, and the lamination processing of the cylindrical or conical workpiece 101 can be achieved, so that the work efficiency is improved, and the workpiece is irregularly processed such as a cylindrical or conical surface. 101. The gas flow field is reduced, the speed limit of blowing the dust 105 by the long stroke cannot be performed, and the time for waiting for the processing sequence of the workpiece 101 in the process is shortened.

Referring to Figures 4 to 6, another preferred embodiment of the scrolling three-dimensional printing apparatus of the present invention substantially follows the same component name and figure number, but the difference between the two is characterized by: the rolling three-dimensional column The printing device further includes a material removing mechanism 6 disposed on one side of the rolling mechanism 2, wherein the material removing mechanism 6 has a tool shaft 61, a horizontal moving seat 62 and a lifting seat 63. The tool shaft 61 is used to mount a cutter 106 to cut the workpiece 101. The lifting seat 63 is configured to drive the horizontal moving seat 62 to move up and down (as indicated by an arrow C1). The horizontal moving seat 62 is used to drive the tool shaft 61 to move in a plane. In this embodiment, the tool The shaft 61 is movably mounted on the horizontal moving seat 62 to be longitudinally movable (as indicated by an arrow C2), and the horizontal moving seat 62 is movably fixed to the lifting base 63 to be laterally movable (as indicated by an arrow C3) ).

According to the above structure, the rolling three-dimensional printing apparatus of the present invention can control the moving position of the cutter 106 by the material removing mechanism 6, so that the cutter 106 removes the material of the surface of the workpiece 101 by controlling the cutter. The movement of the shaft 61 is subjected to contact machining on the workpiece 101 of a cylindrical or conical shape.

With the above design, the rolling three-dimensional printing device of the present invention has the function of surface finishing of the workpiece 101, and the tool 106 is used to remove the material of the surface of the workpiece 101, thereby increasing the process output speed and ensuring the workpiece processing. quality.

Referring to FIG. 7 and FIG. 4 to FIG. 6 , a preferred embodiment of the method for operating a rolling three-dimensional printing apparatus according to the present invention is an operation using the above-described three-dimensional printing apparatus for dust recovery, the operation method The method includes a positioning step S201, a powder supplying step S202, an adjusting step S203, a powdering step S204, a heating step S205, a recycling step S206, a material removing step S207, and a completion determining step S208. The operation of each step will be described in detail below.

With reference to FIG. 7 and in conjunction with FIGS. 4 to 6, in the positioning step S201, a computer or numerical control is provided to provide an instruction to control the movement of the two lifting frames 22 of the rolling mechanism for positioning and resetting. The workpiece 101 is moved to a specific position.

Referring to FIG. 7 and in conjunction with FIGS. 4-6, in the powder supplying step S202, a certain amount of powder 102 is transported to at least one powder passage 41 through at least one powder feeding tank (not shown). The powder 102 is output to a surface of a workpiece 101 through a powder passage port 42; in the embodiment, the powder supply tank performs a certain amount of powder by controlling a corresponding valve or a powder supply hopper. The supply of 102, and the type of powder 102 supplied can also be set according to computer commands or numerical control to provide different powders 102 for transport.

With reference to FIG. 7 and in conjunction with FIGS. 4 to 6, in the adjusting step S203, the heights of the two sides of the workpiece 101 are adjusted by the two lifting frames 22 of a rolling mechanism 2; in this embodiment, The lifting frame 22 is a two-group Z-axis lifting and lowering mechanism, and can move the two sides of the workpiece 101 up and down simultaneously or separately (see Figures 2 and 3).

With reference to FIG. 7 and in conjunction with FIGS. 4 to 6, in the spreading step S204, the workpiece 101 is laterally rotated along a horizontal axis by the two-rotation shaft 21 of the rolling mechanism 2. At least one scraper 45 flattens the powder 102 on the workpiece 101; in the present embodiment, the scraper 45 can be powdered on one side of the cylindrical or conical workpiece 101 in conjunction with the up and down movement of the lifts 22 The cylindrical or conical workpiece 101 held by the rolling mechanism 2 can be rotated by a computer command or numerical control, and the supplied powder 102 can be rotated by the workpiece 101 via the scraper 45. Carry out the laying.

With reference to FIG. 7 and in conjunction with FIGS. 4 to 6, in the heating step S205, the two laser sources 31 are moved, and a laser light 104 emitted from the laser source 31 is melted on the workpiece 101. The powder 102 is formed on the surface of the workpiece 101. In the present embodiment, after the deposition of the powder 102 in the previous step, the powder 102 is programmed at a specified position via computer command or numerical control. Heating and simultaneous control of one to a plurality of laser lights 104 are performed, and the first layer of the workpiece 101 is fused by melting the powder 102 to be solidified on the surface of the workpiece 101.

With reference to FIG. 7 and in conjunction with FIGS. 4 to 6, in the recovery step S206, when the laser light 104 melts the powder 102 on the workpiece 101, two of the two sides of the laser light 104 are used. The gas passage opening 44 forms a gas flow field for absorbing the dust 105 generated by the laser light 104 on the workpiece 101. In the present embodiment, the gas flow field can be in the gas passages 43 The corresponding gas passage port 44 performs blowing and suction, wherein the gas in the gas flow field may be nitrogen (N ₂ ) or an inert gas such as argon (Ar) and helium (He) at a certain flow rate. Performing laminar flow control in the blowing and inhalation intervals of the two gas passage ports 44 to generate dust 105 or other substances generated when the laser light 104 is irradiated onto the powder 102, for example, superheated gas or plasma substance And the material that is not melted but lifted on the workpiece 101 is subjected to suction recovery through one of the gas passage ports 44, and the substance is filtered in an air filtering device.

With reference to FIG. 7 and in conjunction with FIGS. 4 to 6, in the material removing step S207, a material removing mechanism 6 is used to control the moving position of a cutter 106, so that the cutter 106 removes the workpiece 101. The material of the surface, further, a horizontal moving seat 62 and a lifting seat 63 of the material removing mechanism 6 respectively drive the tool 106 on the tool shaft 61 to move up and down and planarly move, and remove the material by using the material. The tool shaft 61 of the mechanism 6 drives the tool 106 to rotate or axially vibrate to remove material from the surface of the workpiece 101. In the present embodiment, the three axial displacements of the X-axis, the Y-axis, and the Z-axis provided by the horizontal moving seat 62 and the lifting base 63 are used to move the tool shaft 61, wherein the moving direction can be in accordance with a computer or a numerical value. The control is performed in a motion control manner, and the material removal of the surface of the workpiece 101 is achieved by the high-frequency vibration of the rotary or axial vibration (15 to 45 kHz) of the cutter shaft 61.

Continuing to refer to FIG. 7 and in conjunction with FIGS. 4 to 6, in the completion determining step S208, the two lifting frames 22 of the rolling mechanism 2 are lowered by a height, and then it is determined whether the workpiece 101 is completed, and if so, the workpiece is taken out. 101. If otherwise, return to the powder supplying step S202 until the cylindrical or conical machining process of the workpiece 101 is completed, wherein the workpiece 101 may be one or more parts.

With the above design, the operating method of the rolling three-dimensional printing apparatus of the present invention can provide a laminated manufacturing method of the workpiece 101 capable of performing a cylindrical or circular type, and at the same time, one or more laser sources 31 are provided in one In a specific plane, the surface of the workpiece 101 of the cylindrical or conical shape is subjected to energy supply of a curved surface scanning area, and the material of the workpiece can be provided by the powder conveying module 4 in a powder coating manner to perform layering. The stacked lamination process allows the cylindrical or conical shaped workpiece 101 to be bonded to a specified area to produce a thickness and a specific size (as shown in Figures 2 and 3).

In addition, since the operation method of the rolling three-dimensional printing apparatus of the present invention can perform the action of powdering/laying/laser melting (energy source supply)/blowing and dusting of the specific plane, it is not limited to the lens group (f The working range limitation of the -theta lens and the workpiece 101 must be planar, and the lamination processing of the cylindrical or conical workpiece 101 can be achieved, the work efficiency is improved, and an irregular surface such as a cylinder or a cone is efficiently processed. The workpiece 101 reduces the speed limit of the gas flow field for blowing the dust 105 for a long stroke, and shortens the time for waiting for the processing sequence of the workpiece 101 in the process. Further, with the design of the powder conveying module 4, it is possible to reduce the speed limit in which the gas flow field cannot be blown by the long stroke, and it is possible to avoid parallel blowing. Therefore, the process output speed can be increased, the time for waiting for the workpiece processing sequence in the process can be shortened, and the process stability can be improved, and the processing quality of the workpiece can be ensured.

The present invention has been disclosed in its preferred embodiments, and is not intended to limit the invention, and the present invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application.

Claims (10)

A rolling three-dimensional printing device comprising: a rolling mechanism for holding a workpiece to receive a powder and driving the workpiece to rotate along an axis; an optical module having at least one laser source disposed at An upper portion of the rolling mechanism for emitting a laser light to the powder; and a powder conveying module having: at least one powder passage disposed above the rolling mechanism; at least one powder passage opening formed in the An outlet end of the powder passage for outputting the powder to the workpiece; two gas passages disposed above the rolling mechanism; and two gas passage openings respectively formed at one end of the gas passages and located The two sides of the laser light are respectively for outputting a gas to the upper portion of the workpiece and absorbing a dust generated by the laser light melting the powder on the workpiece, wherein a gas flow field is formed between the gas passage ports. The rolling type three-dimensional printing apparatus according to claim 1, wherein the rolling mechanism has two rotary shafts respectively fixed to two sides of the workpiece. The scrolling three-dimensional printing device of claim 2, wherein the rolling mechanism further has two lifting frames, and the rotating shafts are respectively disposed on the lifting frames, and the lifting frames are used to drive the rotations. The axis moves up and down. The rolling type three-dimensional printing apparatus according to claim 1, wherein the powder conveying module further has at least one scraper disposed on an outer surface of one of the gas passages for contacting the workpiece. The rolling type three-dimensional printing apparatus according to claim 1, wherein the rolling three-dimensional printing apparatus further comprises a powder recovery tank, the rolling mechanism is disposed in the powder recovery tank, and the workpiece is located A top notch of the powder recovery tank. The scrolling three-dimensional printing device of claim 1, wherein the rolling three-dimensional printing device further comprises a material removing mechanism disposed on one side of the rolling mechanism, the material removing mechanism having a cutter A shaft for mounting a tool to cut the workpiece. The rolling type three-dimensional printing device according to claim 6, wherein the material removing mechanism further has a horizontal moving seat and a lifting seat, wherein the lifting seat is used to drive the horizontal moving seat to move up and down, the level The moving seat is used to drive the tool shaft to move in a plane. A method for operating a rolling three-dimensional printing device for processing a workpiece, the method comprising: a powder supplying step of delivering a certain amount of powder to at least one powder passage through at least one powder feeding tank to make the powder The body is outputted to a surface of a workpiece through a powder passage port; and an adjusting step is used to adjust the height of the two sides of the workpiece by using two lifting frames of a rolling mechanism; a layering step of driving the workpiece by using two rotating shafts of the rolling mechanism to cause at least one blade to flatten the powder on the workpiece; and a heating step of moving at least one laser source to cause the laser source to emit a laser light to melt the powder on the workpiece to form on the surface of the workpiece; a recycling step, when the laser light melts the powder on the workpiece, using two gas passage ports on both sides of the laser light Forming a gas flow field to absorb a dust generated by the laser melting the powder on the workpiece; a material removal step of controlling a moving position of the tool by a material removal mechanism to cause the tool to remove the workpiece The material of the surface; and upon completion of the judging step, lowering the two lifting frames of the rolling mechanism by a height, and then judging whether the workpiece is completed, and if so, taking out the workpiece, if otherwise returning to the powder supplying step. The method of claim 8, wherein the step of supplying the powder further comprises a positioning step for moving the two lifting frames of the rolling mechanism to move the workpiece to a specific position. The method of claim 8, wherein in the material removing step, a horizontal moving seat and a lifting seat of the material removing mechanism respectively drive the tool to move up and down and planarly move, and simultaneously A tool shaft of the material removal mechanism drives the tool for rotation or axial vibration to remove material from the surface of the workpiece.