CN112620658A - Barrel 3D printing system - Google Patents
Barrel 3D printing system Download PDFInfo
- Publication number
- CN112620658A CN112620658A CN202011320303.3A CN202011320303A CN112620658A CN 112620658 A CN112620658 A CN 112620658A CN 202011320303 A CN202011320303 A CN 202011320303A CN 112620658 A CN112620658 A CN 112620658A
- Authority
- CN
- China
- Prior art keywords
- printing
- cylinder
- core rod
- roller
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010146 3D printing Methods 0.000 title claims abstract description 33
- 238000007639 printing Methods 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000013078 crystal Substances 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000001953 recrystallisation Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000001513 hot isostatic pressing Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The invention discloses a 3D printing system for a cylinder, which comprises a metal wire, a printing head, a cylinder, a roller, a core rod and a rotary supporting plate, wherein the rotary supporting plate is used for rotatably supporting the cylinder to be printed, the metal wire vertically downwards sends wires through the printing head according to a printing path to print the cylinder, the roller is coaxially and rotatably sleeved on the core rod, the wall thickness of the outer peripheral surface of the roller, which covers the cylinder, is opposite to the cylinder, so that the pressure is applied downwards to the cylinder. The system can crush 3D and print original dendritic crystal tissues, refine crystal grains, improve the 3D printing internal quality of products, save the hot isostatic pressing treatment required by conventional 3D printing, and is suitable for 3D printing of large-specification cylinders.
Description
Technical Field
The invention belongs to the technical field of 3D printing, and particularly relates to a 3D printing system for a cylinder.
Background
In the existing process for printing metal materials on a cylinder in a 3D mode, referring to fig. 1, the cylinder 9 is placed on a rotary support plate 10 to rotate horizontally, a metal wire 7 is fed through a printing head 8, and the cylinder 9 is printed in a vertically downward 3D mode. If the product size is smaller, the appearance is less than or equal to phi 200 multiplied by 300, the requirement on the internal quality is higher, and the hot isostatic pressing treatment is usually carried out after 3D printing, so that the cost is higher. If the product size is larger and the appearance is larger than phi 200 multiplied by 300, only stress annealing treatment can be carried out, the product keeps the original 3D printing cast structure, and the product performance anisotropy is serious due to the crystal directionality, so that the normal use of the product is influenced.
Disclosure of Invention
In order to overcome the disadvantages of the prior art, the present invention aims to provide a 3D printing system for a cylinder, which can solve the above problems.
The purpose of the invention is realized by adopting the following technical scheme:
the utility model provides a barrel 3D printing system, the system includes the wire, beats printer head, barrel, cylinder, plug, gyration supporting disk, and the gyration supporting disk is used for rotatory support to wait to print the barrel, and the wire send the silk to print the barrel according to printing the route perpendicularly downwards through beating printer head, the coaxial pivoted of cylinder cup joints on the plug, and the outer peripheral face of cylinder covers the wall thickness of barrel and just sets up to the barrel to this exerts pressure downwards to the barrel.
Preferably, the mandrel is supported by a mandrel support frame with adjustable height, the mandrel support frame is driven by a motor and a slide rail to be adjustable along with the printing speed of the cylinder, and the distance between the mandrel support frame and the mandrel clamped by the mandrel support frame relative to the printing head is adjustable.
Preferably, the mandrel and the roller are adjustable in distance from the print head in the horizontal plane to ensure that the pressed cylinder position is above the metal recrystallization temperature after 3D printing and has sufficient plasticity.
Compared with the prior art, the invention has the beneficial effects that: the system can crush 3D and print original dendritic crystal tissues, refine crystal grains, improve the 3D printing internal quality of products, save the hot isostatic pressing treatment required by conventional 3D printing, and is suitable for 3D printing of large-specification cylinders.
Drawings
FIG. 1 is a schematic diagram of a prior art 3D printing system;
fig. 2 is a schematic diagram of a 3D printing system of the present invention.
In the figure: 1. a metal wire; 2. a print head; 3. a barrel; 4. a drum; 5. a core rod; 6. a rotation support plate; 7. a metal wire; 8. a print head; 9. a barrel; 10. and a rotary support plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
A3D printing system for a cylinder body is shown in figure 2 and comprises a metal wire 1, a printing head 2, a cylinder body 3, a roller 4, a core rod 5 and a rotary supporting plate 6.
The rotary support plate 6 is used for rotatably supporting the cylinder 3 to be printed, the metal wire 1 is vertically fed downwards through the printing head 2 according to a printing path to print the cylinder 3, the roller 4 is coaxially sleeved on the core rod 5 in a rotating mode, the wall thickness of the outer peripheral surface of the roller 4 covering the cylinder 3 is arranged right opposite to the cylinder 3, namely, the core rod 5 and the roller 4 rotate vertically on the horizontal plane and apply pressure downwards, and therefore the pressure is applied downwards to the cylinder 3.
When the 3D printing cylinder body 3 is used, the original dendritic crystal structure can be broken, crystal grains are refined, the internal quality of 3D printing of a product is improved, the hot isostatic pressing treatment required by conventional 3D printing is omitted, and the 3D printing cylinder body is suitable for 3D printing of large-specification cylinder bodies.
The mandrel 5 is supported by a mandrel support frame (not shown) with adjustable height, the mandrel support frame is driven by a motor and a slide rail to be adjustable along with the printing speed of the cylinder 3, and the distance between the mandrel support frame and the mandrel 5, which is clamped by the mandrel support frame, relative to the printing head 2 is adjustable.
In one embodiment, the mandrel 5 is a heating rod, and a thermocouple is arranged to detect and adjust the temperature of the mandrel 5 to adjust the surface temperature of the cylinder 4, and make the temperature suitable for breaking the original dendritic structure inside the cylinder 3 of the printing piece, so as to refine the grains and improve the internal quality of the product.
It is ensured that sufficient plasticity is obtained by the surface temperature of the cylinder 4 being greater than the surface temperature of the cylinder 3 where the pressure is applied, and said surface temperature being such that the pressure cylinder position is at a temperature greater than the metal recrystallization temperature after 3D printing.
In another embodiment, the mandrel 5 and the platen 4 are adjustable in distance from the print head 2 in the horizontal plane to ensure that the pressed cylinder position is above the metal recrystallization temperature after 3D printing and has sufficient plasticity.
The cylinder 3 for printing is a regular convolution including but not limited to a cylinder, a regular cylinder, and is not suitable for a large convolution.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a barrel 3D printing system which characterized in that: the system comprises a metal wire (1), a printing head (2), a cylinder body (3), a roller (4), a core rod (5) and a rotary supporting plate (6), wherein the rotary supporting plate (6) is used for rotatably supporting the cylinder body (3) to be printed, the metal wire (1) vertically downwards sends a wire to print the cylinder body (3) according to a printing path through the printing head (2), the roller (4) is sleeved on the core rod (5) in a coaxial rotating mode, the wall thickness of the outer peripheral surface of the roller (4) covering the cylinder body (3) is just opposite to the cylinder body (3), and therefore pressure is applied to the cylinder body (3) downwards.
2. The barrel 3D printing system of claim 1, wherein: the core rod (5) is supported by a core rod supporting frame with adjustable height, the core rod supporting frame is driven by a motor and a slide rail to be adjustable along with the printing speed of the cylinder body (3) with adjustable height, and the distance between the core rod supporting frame and the core rod (5) which is clamped by the core rod supporting frame and is opposite to the printing head (2) is adjustable.
3. The barrel 3D printing system of claim 1, wherein: the core rod (5) is a heating rod, and a thermocouple is arranged to detect and adjust the temperature of the core rod (5) to adjust the surface temperature of the roller (4), so that the temperature is suitable for crushing the original dendritic structure in the printing piece cylinder (3), the crystal grains are refined, and the internal quality of the product is improved.
4. The barrel 3D printing system of claim 3, wherein: the surface temperature of the roller (4) is higher than that of the roller (3) at the position where the pressure is applied, and the surface temperature enables the position of the pressure-applied roller to be higher than the metal recrystallization temperature after 3D printing and has enough plasticity.
5. The barrel 3D printing system of claim 1, wherein: the distance between the mandrel (5) and the roller (4) and the printing head (2) in the horizontal plane is adjustable, so that the temperature of the pressed cylinder position after 3D printing is higher than the metal recrystallization temperature, and the pressed cylinder position has enough plasticity.
6. The barrel 3D printing system of claim 1, wherein: the cylinder body (3) is a regular convolution body including but not limited to a cylinder and a regular cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011320303.3A CN112620658A (en) | 2020-11-23 | 2020-11-23 | Barrel 3D printing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011320303.3A CN112620658A (en) | 2020-11-23 | 2020-11-23 | Barrel 3D printing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112620658A true CN112620658A (en) | 2021-04-09 |
Family
ID=75304393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011320303.3A Pending CN112620658A (en) | 2020-11-23 | 2020-11-23 | Barrel 3D printing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112620658A (en) |
Citations (11)
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|---|---|---|---|---|
| KR100847550B1 (en) * | 2007-04-27 | 2008-07-21 | 한국기계연구원 | Moulding roller device of three-dimensional printing prototyping system |
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| CN107262930A (en) * | 2017-06-27 | 2017-10-20 | 广东工业大学 | A kind of electric arc melts the method and its device that product forges compound rapid forming part with laser-impact |
| EP3266543A1 (en) * | 2016-06-16 | 2018-01-10 | GEFERTEC GmbH | Method and apparatus for combining additive manufacture and shaping |
| CN108637504A (en) * | 2018-04-23 | 2018-10-12 | 江苏大学 | A kind of electric arc fills silk and rolls compound increasing material manufacturing method and apparatus |
| CN109332851A (en) * | 2018-11-29 | 2019-02-15 | 苏州创浩新材料科技有限公司 | The method of heavy parts 3D printing |
| CN109605039A (en) * | 2019-01-14 | 2019-04-12 | 南京航空航天大学 | A kind of electric arc increasing material and electric auxiliary hot rolling forming composite manufacturing method and device |
| CN109746443A (en) * | 2018-12-29 | 2019-05-14 | 华中科技大学 | A kind of method of parallel control part deformation and precision during increasing material manufacturing |
| CN110026649A (en) * | 2018-01-12 | 2019-07-19 | 通用电气公司 | A kind of temperature control system and method for increasing material manufacturing |
| CN110076566A (en) * | 2019-05-13 | 2019-08-02 | 华中科技大学 | A kind of the metal parts manufacture system and method for micro- casting forging milling In-situ reaction |
| CN214977767U (en) * | 2020-11-23 | 2021-12-03 | 沪东重机有限公司 | Barrel 3D printing system |
-
2020
- 2020-11-23 CN CN202011320303.3A patent/CN112620658A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100847550B1 (en) * | 2007-04-27 | 2008-07-21 | 한국기계연구원 | Moulding roller device of three-dimensional printing prototyping system |
| EP3266543A1 (en) * | 2016-06-16 | 2018-01-10 | GEFERTEC GmbH | Method and apparatus for combining additive manufacture and shaping |
| CN106626372A (en) * | 2017-03-07 | 2017-05-10 | 北京优造智能科技有限公司 | 3D printing mechanism, printer and printing method based on FDM |
| CN107262930A (en) * | 2017-06-27 | 2017-10-20 | 广东工业大学 | A kind of electric arc melts the method and its device that product forges compound rapid forming part with laser-impact |
| CN110026649A (en) * | 2018-01-12 | 2019-07-19 | 通用电气公司 | A kind of temperature control system and method for increasing material manufacturing |
| CN108637504A (en) * | 2018-04-23 | 2018-10-12 | 江苏大学 | A kind of electric arc fills silk and rolls compound increasing material manufacturing method and apparatus |
| CN109332851A (en) * | 2018-11-29 | 2019-02-15 | 苏州创浩新材料科技有限公司 | The method of heavy parts 3D printing |
| CN109746443A (en) * | 2018-12-29 | 2019-05-14 | 华中科技大学 | A kind of method of parallel control part deformation and precision during increasing material manufacturing |
| CN109605039A (en) * | 2019-01-14 | 2019-04-12 | 南京航空航天大学 | A kind of electric arc increasing material and electric auxiliary hot rolling forming composite manufacturing method and device |
| CN110076566A (en) * | 2019-05-13 | 2019-08-02 | 华中科技大学 | A kind of the metal parts manufacture system and method for micro- casting forging milling In-situ reaction |
| CN214977767U (en) * | 2020-11-23 | 2021-12-03 | 沪东重机有限公司 | Barrel 3D printing system |
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