CN112983912A - Additive manufactured oil circuit block and manufacturing method thereof - Google Patents
Additive manufactured oil circuit block and manufacturing method thereof Download PDFInfo
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- CN112983912A CN112983912A CN202110157628.2A CN202110157628A CN112983912A CN 112983912 A CN112983912 A CN 112983912A CN 202110157628 A CN202110157628 A CN 202110157628A CN 112983912 A CN112983912 A CN 112983912A
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- 239000000654 additive Substances 0.000 title claims abstract description 49
- 230000000996 additive effect Effects 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000007639 printing Methods 0.000 claims description 35
- 239000006004 Quartz sand Substances 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 238000013461 design Methods 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 12
- 229910052845 zircon Inorganic materials 0.000 claims description 12
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 81
- 238000003754 machining Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
- B33Y80/00—Products made by additive manufacturing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Pipeline Systems (AREA)
Abstract
The invention relates to an oil circuit block manufactured by additive manufacturing and a manufacturing method thereof, belonging to the field of additive manufacturing, wherein the oil circuit block comprises an oil circuit block body connected with various hydraulic valves and a plurality of layers of plane communication layers formed by additive manufacturing, wherein the plane communication layers are arranged in parallel and are all positioned in the oil circuit block body; a plurality of horizontal communicating pipes connected with the hydraulic valve are arranged in the plane communicating layer and are directly connected, wherein the horizontal communicating pipes positioned on different plane communicating layers are communicated through vertical communicating pipes; or a plurality of horizontal communicating pipes are communicated through the connecting pipes, wherein the connecting pipes positioned on the communicating layers on different planes are communicated through the vertical communicating pipes; the connecting pipe is an L-shaped or Z-shaped curve pipeline. The problems of production and interference of process holes can be avoided by arranging a plurality of plane communicating layers formed by additive materials and horizontal communicating pipes or connecting pipes in the plane communicating layers.
Description
Technical Field
The invention relates to the field of additive manufacturing, in particular to an oil circuit block manufactured by additive manufacturing and a manufacturing method thereof.
Background
The oil circuit block is an aggregate which integrates dispersed hydraulic oil circuits, namely a metal square block which controls the work of hydraulic oil. Therefore, the oil circuit block is used for connecting various hydraulic elements to form an integrated system. Generally, a target flow passage is formed in a forged steel material by planning various deep holes, and various valve bodies after model selection are mounted on the surfaces of the valve blocks, so that the valve bodies can be connected to form a functional whole. The valve block has the advantages that the high-integration coupling is realized through the early design, the parts of system connecting elements are reduced, and the possible leakage between the element connections is reduced.
However, the deep hole machining adopts a drilling process, a deep hole is drilled on a piece of steel to form a flow channel system in an interactive mode, a large number of process holes can be generated, the process holes can interfere with main flow channels, the number of the deep holes is increased when elements are added, the design difficulty and the machining difficulty of the oil circuit block can be rapidly improved, and meanwhile, the high-integration oil circuit block cannot be manufactured due to the limitation of a large number of process holes. In addition, deep hole machining also has a technical bottleneck, and holes with a too high ratio of depth to aperture (generally dozens to one hundred times) cannot be machined at present or are high in machining cost and difficult to realize.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an oil circuit block manufactured by additive manufacturing, which can avoid the problems of production and interference of process holes by a plurality of plane communicating layers formed by additive molding and arranging horizontal communicating pipes or connecting pipes in the oil circuit block.
The technical scheme of the invention is realized as follows:
the invention provides an additive manufactured oil circuit block, which comprises an oil circuit block body connected with various hydraulic valves and a plurality of layers of plane communication layers formed by additive, wherein the plane communication layers are arranged in parallel and are all positioned in the oil circuit block body; a plurality of horizontal communicating pipes connected with the hydraulic valve are arranged in the plane communicating layer and are directly connected, wherein the horizontal communicating pipes positioned on different plane communicating layers are communicated through vertical communicating pipes; or a plurality of horizontal communicating pipes are communicated through connecting pipes, wherein the connecting pipes positioned on different plane connecting layers are communicated through the vertical communicating pipes; the connecting pipe is an L-shaped or Z-shaped curved pipeline.
The preferable technical scheme of the invention is that the horizontal communicating pipe comprises a longitudinal connecting pipe and a transverse connecting pipe; the longitudinal connecting pipe is communicated with the transverse connecting pipe.
The preferable technical scheme of the invention is that the horizontal communicating pipe further comprises at least one side system longitudinal pipe, the at least one side system longitudinal pipe is parallel to the longitudinal connecting pipe, the side system longitudinal pipe is communicated with the longitudinal connecting pipe through the at least one connecting pipe, and the plurality of side system longitudinal pipes are all connected with the transverse connecting pipe.
The preferable technical scheme of the invention is that one end of the collateral system longitudinal pipe close to the transverse connecting pipe is connected with the longitudinal connecting pipe, and the collateral system longitudinal pipe is communicated with the transverse connecting pipe through at least one connecting pipe.
The preferable technical scheme of the invention is that at least one collateral longitudinal pipe is a streamline curve pipeline or a broken line pipeline.
The preferable technical scheme of the invention is that the longitudinal connecting pipe is in a bent curve shape; one end of the longitudinal connecting pipe is communicated with one end of the transverse connecting pipe.
The preferable technical scheme of the invention is that the horizontal communicating pipe further comprises a buffer pipe, a longitudinal oil inlet pipe and a longitudinal oil outlet pipe, wherein one end of the buffer pipe is communicated with one end of the longitudinal oil inlet pipe, and the other end of the buffer pipe is communicated with one end of the longitudinal oil outlet pipe.
The preferable technical scheme of the invention is that the buffer tube comprises an outer U-shaped tube and a plurality of inner U-shaped tubes, the inner U-shaped tubes are positioned at the inner side of the outer U-shaped tube and are connected in a pairwise staggered manner, and one of the inner U-shaped tubes is communicated with the outer U-shaped tube; the longitudinal oil inlet pipe is communicated with the inner U-shaped pipe, and the longitudinal oil outlet pipe is communicated with the outer U-shaped pipe.
The invention also provides a manufacturing method of the additive manufactured oil circuit block, which comprises the following steps:
s1, creating a model: creating an integral model of the oil path block body, simultaneously generating a plurality of horizontal communicating pipes, a plurality of connecting pipes and a plurality of vertical communicating pipes, and filling the horizontal communicating pipes and the connecting pipes into an auxiliary module to complete the manufacture of a printing model;
s2, analysis model: carrying out layered analysis on the printing model through printing software, forming a printing program and sending the printing program to additive printing equipment;
s3, printing model: printing the printing model from bottom to top;
s4, subsequent processing: the inner and outer surfaces of the oil way block are refined and processed to meet the design requirements, and the method comprises the following processing steps:
s41, cutting and flattening the surfaces of the oil way block;
s42, processing mounting holes at the corresponding positions of the oil way blocks;
s43, removing the quartz sand and the zircon powder in the horizontal communicating pipes, and flushing the horizontal communicating pipes and the connecting pipes by using pressure oil.
In step S3, when the planar communication layer needs to be printed, the preferred embodiment of the present invention is that the printing step is performed as follows:
s31, performing additive printing to form the plane communication layer to the highest position of the horizontal communication pipe;
s32, filling quartz sand into the horizontal communication pipe in the step S31 according to the auxiliary module of the layer to the corresponding horizontal communication pipe, and coating a layer of zircon powder slurry on the side, at the highest position, of the quartz sand in the horizontal communication pipe;
and S33, after the quartz sand is cooled and the zircon powder slurry is dried, performing additive printing and forming on the plane communication layer until the plane communication layer is finished.
The invention has the beneficial effects that: a plurality of plane communicating layers which are arranged in parallel are arranged in the oil circuit block manufactured by the additive manufacturing, and a plurality of horizontal communicating pipes and a plurality of connecting pipes are arranged in the plane communicating layers, so that the functions of integration and communication of the oil circuit of the traditional oil circuit block are realized under the condition that process holes are avoided. Furthermore, the connecting pipe is an L-shaped or Z-shaped curve pipeline, the collateral longitudinal pipe in the horizontal communicating pipe is a streamline curve pipeline or a broken line pipeline, and the other pipelines which are close to each other and not communicated with each other can be effectively avoided, so that the problem of interference with other close pipelines is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic illustration of an elevation view of an additive manufactured oil gallery block in accordance with an embodiment of the present disclosure;
FIG. 2 is a schematic view of an additive manufactured oil passage block taken along direction A according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of an additive manufactured oil passage block in the direction B according to an embodiment of the present disclosure;
fig. 4 is a schematic view of an additive manufactured oil circuit block in the direction C according to an embodiment of the present application.
The reference numerals in the figures are explained below:
1. an oil circuit block body; 11. a planar communication layer; 121. a longitudinal connecting pipe; 122. a transverse connecting pipe; 123. a collateral longitudinal tube; 1241. an outer U-shaped tube; 1242. an inner U-shaped pipe; 125. a longitudinal oil inlet pipe; 126. a longitudinal oil outlet pipe; 13. connecting the pipe; 14. and the vertical communicating pipe.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 to 4 show a specific embodiment of an additive manufactured oil circuit block according to the present invention, where the additive manufactured oil circuit block includes an oil circuit block body 1 connected to various hydraulic valves, the additive manufactured oil circuit block further includes a plurality of planar communication layers 11 formed by additive molding, and the planar communication layers 11 are arranged in parallel and located inside the oil circuit block body 1; a plurality of horizontal communicating pipes connected with a hydraulic valve are arranged in the plane communicating layer 11, the horizontal communicating pipes are directly connected or the horizontal communicating pipes are communicated through a connecting pipe 13, and the purpose of communicating oil ways in the same plane communicating layer 11 is achieved. The horizontal communicating pipes positioned on the communicating layers 11 in different planes are communicated through the vertical communicating pipes 14, or the connecting pipes 13 positioned on the communicating layers 11 in different planes are communicated through the vertical communicating pipes 14, so that the corresponding positions of the communicating layers 11 in different planes are communicated, the purpose of communicating the oil paths of the traditional oil path block is achieved without producing process holes, and the problem of interference of the process holes on the oil paths is solved.
As shown in fig. 2, the horizontal communication pipe includes a longitudinal connection pipe 121 and a lateral connection pipe 122; the longitudinal connecting pipe 121 is in communication with the lateral connecting pipe 122. Specifically, the longitudinal connecting pipe 121 and the transverse connecting pipe 122 may obliquely intersect or perpendicularly intersect, and preferably, the longitudinal connecting pipe 121 and the transverse connecting pipe 122 are perpendicularly connected to each other to facilitate the additive modeling and the internal pipe distribution design.
As a preferable scheme of this embodiment, as shown in fig. 2, the horizontal communication pipe further includes at least one side system longitudinal pipe 123, the at least one side system longitudinal pipe 123 is parallel to the longitudinal connection pipe 121, the side system longitudinal pipe 123 is communicated with the longitudinal connection pipe 121 through at least one connection pipe 13, and the plurality of side system longitudinal pipes 123 are all connected with the transverse connection pipe 122. The hydraulic valves are communicated with other oil passages in the oil passage block through the collateral longitudinal pipes 123, specifically, the connecting pipes 13 are curved pipes in an L shape or a Z shape, and the shapes of the connecting pipes 13 are adjusted according to the arrangement conditions of the pipelines in the oil passage block, so that the flexibility of the design of the internal pipelines of the oil passage block is improved, the difficulty of the design of the internal pipelines of the oil passage block is reduced, and the requirements on the position limitation of the hydraulic valves are reduced, and further, the connecting pipes 13 can also be linear guide pipes to achieve the purpose of communicating the collateral longitudinal pipes 123 with the longitudinal connecting pipes 121. Therefore, the purpose of communicating pipelines with different flow lines or different pipelines with the same flow direction is achieved through the connecting pipe 13, and the flow of liquid is further diversified. Further, at least one collateral longitudinal pipe 123 is streamline curve pipeline or broken line pipeline, then the effectual other pipelines of comparing near and not communicating of having avoided to the problem of having avoided interfering with other close pipelines, further, through the design of streamline curve pipeline or broken line pipeline, compare in traditional pipeline design, it is more nimble convenient, and then reduced the degree of difficulty of design. And the oil circuit block manufactured by additive manufacturing not only avoids the generation of unnecessary process holes or process pipes, but also has the effect of more flexible and convenient design of the inner pipeline of the oil circuit block in an additive printing mode.
As another alternative of this embodiment, as shown in fig. 2, one end of the collateral longitudinal pipe 123 near the transverse connection pipe 122 is connected to the longitudinal connection pipe 121, and the collateral longitudinal pipe 123 is connected to the transverse connection pipe 122 through at least one connection pipe 13. Specifically, one end of the collateral longitudinal pipe 123 close to the transverse connection pipe 122 is arc-shaped and is communicated with the longitudinal connection pipe 121, and the collateral longitudinal pipe 123 is communicated with the transverse connection pipe 122 through the L-shaped connection pipe 13.
As another scheme of this embodiment, as shown in fig. 2, the longitudinal connecting tube 121 is in a curved shape; one end of the longitudinal connection pipe 121 communicates with one end of the lateral connection pipe 122. Specifically, the other end of the longitudinal connection pipe 121 is connected to the hydraulic valve, and the longitudinal connection pipe 121 is bent to form a curve to bypass other oil line pipelines in the oil line block, so that interference is avoided, the radian of the bending curve can be adjusted according to the position of the hydraulic valve, the design and adjustment can be flexibly achieved, and meanwhile, the longitudinal connection pipe 121 is located in the oil line block to form a bending curve, which cannot be achieved by a traditional oil line block drilling process, and is not limited by bending of the longitudinal connection pipe 121 through material increase printing.
As another scheme of this embodiment, as shown in fig. 3, the horizontal communication pipe further includes a buffer tube, a longitudinal oil inlet pipe 125 and a longitudinal oil outlet pipe 126, one end of the buffer tube is communicated with one end of the longitudinal oil inlet pipe 125, and the other end of the buffer tube is communicated with one end of the longitudinal oil outlet pipe 126. When oil buffering is needed in the oil circuit block, the oil buffering purpose can be achieved through the buffer tube. Further, the buffer tube comprises an outer U-shaped tube 1241 and a plurality of inner U-shaped tubes 1242, the plurality of inner U-shaped tubes 1242 are positioned at the inner side of the outer U-shaped tube 1241 and are connected in a staggered manner in pairs, the oil is buffered in multiple stages by the aid of the waves formed by the roundabout of the plurality of inner U-shaped tubes 1242, and one of the inner U-shaped tubes 1242 is communicated with the outer U-shaped tube 1241; the longitudinal oil inlet pipe 125 is communicated with the inner U-shaped pipe 1242, and the longitudinal oil outlet pipe 126 is communicated with the outer U-shaped pipe 1241. The oil enters the inner U-shaped pipe 1242 of the buffer tube through the longitudinal oil inlet pipe 125, is buffered by the inner U-shaped pipes 1242 in multiple stages, is input into the outer U-shaped pipe 1241, and is then conveyed into the longitudinal oil outlet pipe 126 through the outer U-shaped pipe 1241, thereby achieving the purpose of buffering the flow velocity of the oil. Further, the outer U-shaped pipe 1241 and the plurality of inner U-shaped pipes 1242 are located in the oil path block, and therefore, the printing can be realized only through an additive printing process.
The manufacturing method of the oil circuit block manufactured by the additive comprises the following steps:
s1, creating a model: creating an integral model of the oil path block body 1, simultaneously generating a plurality of horizontal communicating pipes, a plurality of connecting pipes 13 and a plurality of vertical communicating pipes 14, and filling the plurality of horizontal communicating pipes and the plurality of connecting pipes 13 into an auxiliary module to complete the manufacture of a printing model;
s2, analysis model: carrying out layered analysis on the printing model through printing software, forming a printing program and sending the printing program to the additive printing equipment;
s3, printing model: printing the printing model from bottom to top, and when the planar communication layer 11 needs to be printed, performing the following printing steps:
s31, forming the planar communication layer 11 through additive printing to the highest position of the horizontal communication pipe;
s32, filling quartz sand into the horizontal communication pipe in the step S31 according to the auxiliary module of the layer to the corresponding horizontal communication pipe, and supporting the top printing of the horizontal communication pipe through the quartz sand, wherein one side of the quartz sand, which is positioned at the highest position of the horizontal communication pipe, is coated with a layer of zircon powder slurry, and the zircon powder slurry can prevent agglomeration, is convenient for cleaning after completion, and ensures the smoothness of the inner walls of the horizontal communication pipe and the connecting pipe;
and S33, after the quartz sand is cooled and the zircon powder slurry is dried, the material increase printing forming plane communicating layer 11 is used for capping the horizontal communicating pipe, and material increase printing forming is continued until the plane communicating layer is finished.
Further, when the horizontal communication pipe is a circular pipe, the step S3 corresponds to:
s31, performing additive printing and molding on the planar communication layer 11 to the position of a half horizontal communication pipe;
s32, filling quartz sand into the half horizontal communication pipe according to the auxiliary module of the layer to the corresponding horizontal communication pipe, and paving a layer of zircon powder slurry between the quartz sand and the plane communication layer 11 after the quartz sand is cooled;
and S33, after the zircon powder slurry is dried, printing the other half of the plane communication layer 11 in an additive printing mode.
S4, subsequent processing: the inner and outer surfaces of the oil way block are refined and processed to meet the design requirements, and the method comprises the following processing steps:
s41, cutting and flattening the surfaces of the oil circuit block, so that the surfaces of the oil circuit block can reach the surface roughness and the flatness required by the design requirement or the installation requirement, the sealing performance of the oil circuit block manufactured by the additive manufacturing and the hydraulic valve installation is further ensured, and the possibility of oil leakage is reduced.
S42, processing mounting holes at the corresponding positions of the oil path blocks so as to facilitate the mounting of various hydraulic valves and enable the hydraulic valves to be communicated with the horizontal communicating pipe;
and S43, removing quartz sand and zircon powder in the horizontal communicating pipes, and flushing the horizontal communicating pipes and the connecting pipes 13 by using pressure oil.
Synthesize above-mentioned oil circuit piece of vibration material disk's beneficial effect lies in:
a plurality of plane communicating layers which are arranged in parallel are arranged in the oil circuit block manufactured by the additive manufacturing, and a plurality of horizontal communicating pipes and a plurality of connecting pipes are arranged in the plane communicating layers, so that the functions of integration and communication of the oil circuit of the traditional oil circuit block are realized under the condition that process holes are avoided. Furthermore, the connecting pipe is an L-shaped or Z-shaped curve pipeline, the collateral longitudinal pipe in the horizontal communicating pipe is a streamline curve pipeline or a broken line pipeline, and the other pipelines which are close to each other and not communicated with each other can be effectively avoided, so that the problem of interference with other close pipelines is avoided.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And any modifications, equivalents, improvements and the like which are obvious and which are made by this disclosure are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an oil circuit piece of additive manufacturing, includes oil circuit piece body (1) that is connected with various hydraulic valves, its characterized in that still includes:
the oil way block comprises a plurality of layers of plane communication layers (11) formed by additive molding, wherein the plane communication layers (11) are arranged in parallel and are all positioned inside the oil way block body (1);
a plurality of horizontal communicating pipes connected with the hydraulic valve are arranged in the plane communicating layer (11), the horizontal communicating pipes are directly connected, the horizontal communicating pipes positioned on different plane communicating layers (11) are communicated through vertical communicating pipes (14), or the horizontal communicating pipes are communicated through connecting pipes (13), and the connecting pipes (13) positioned on different plane communicating layers (11) are communicated through the vertical communicating pipes (14);
the connecting pipe (13) is an L-shaped or Z-shaped curved pipeline.
2. An additive manufactured wick block according to claim 1, wherein:
the horizontal communicating pipe comprises a longitudinal connecting pipe (121) and a transverse connecting pipe (122);
the longitudinal connecting pipe (121) is communicated with the transverse connecting pipe (122).
3. An additive manufactured wick block according to claim 2, wherein:
the horizontal communication pipe further comprises at least one collateral system longitudinal pipe (123), the collateral system longitudinal pipe (123) is parallel to the longitudinal connecting pipe (121), the collateral system longitudinal pipe (123) is communicated with the longitudinal connecting pipe (121) through at least one connecting pipe (13), and the collateral system longitudinal pipes (123) are all connected with the transverse connecting pipe (122).
4. An additive manufactured wick block according to claim 3, wherein:
one end of the collateral longitudinal pipe (123) close to the transverse connecting pipe (122) is connected with the longitudinal connecting pipe (121), and the collateral longitudinal pipe (123) is communicated with the transverse connecting pipe (122) through at least one connecting pipe (13).
5. An additive manufactured wick block according to claim 3 or 4, wherein:
at least one of the collateral longitudinal pipes (123) is a streamline curve pipeline or a broken line pipeline.
6. An additive manufactured wick block according to claim 2, wherein:
the longitudinal connecting pipe (121) is in a bent curve shape;
one end of the longitudinal connecting pipe (121) is communicated with one end of the transverse connecting pipe (122).
7. An additive manufactured wick block according to claim 2, wherein:
the horizontal communicating pipe further comprises a buffer pipe, a longitudinal oil inlet pipe (125) and a longitudinal oil outlet pipe (126), wherein one end of the buffer pipe is communicated with one end of the longitudinal oil inlet pipe (125), and the other end of the buffer pipe is communicated with one end of the longitudinal oil outlet pipe (126).
8. An additive manufactured wick block according to claim 8, wherein:
the buffer tube comprises an outer U-shaped tube (1241) and a plurality of inner U-shaped tubes (1242), the inner U-shaped tubes (1242) are all positioned at the inner side of the outer U-shaped tube (1241) and are connected in a pairwise staggered manner, and one of the inner U-shaped tubes (1242) is communicated with the outer U-shaped tube (1241);
the longitudinal oil inlet pipe (125) is communicated with the inner U-shaped pipe (1242), and the longitudinal oil outlet pipe (126) is communicated with the outer U-shaped pipe (1241).
9. An additive manufactured oil circuit block manufacturing method based on any one of claims 1-8, characterized by comprising the following steps:
s1, creating a model: creating an integral model of the oil path block body (1), simultaneously generating a plurality of horizontal communicating pipes, a plurality of connecting pipes (13) and a plurality of vertical communicating pipes (14), and filling auxiliary modules into the horizontal communicating pipes and the connecting pipes (13) to complete the manufacture of a printing model;
s2, analysis model: carrying out layered analysis on the printing model through printing software, forming a printing program and sending the printing program to additive printing equipment;
s3, printing model: printing the printing model from bottom to top;
s4, subsequent processing: the inner and outer surfaces of the oil way block are refined and processed to meet the design requirements, and the method comprises the following processing steps:
s41, cutting and flattening the surfaces of the oil way block;
s42, processing mounting holes at the corresponding positions of the oil way blocks;
s43, removing the quartz sand and the zircon powder in the horizontal communicating pipes, and flushing the horizontal communicating pipes and the connecting pipes (13) by using pressure oil.
10. The method of claim 9, wherein the method comprises:
in step S3, when the planar communication layer (11) needs to be printed, the following steps are performed:
s31, performing additive printing and molding on the plane communication layer (11) to the highest position of the horizontal communication pipe;
s32, filling quartz sand into the horizontal communication pipe in the step S31 according to the auxiliary module of the layer to the corresponding horizontal communication pipe, and coating a layer of zircon powder slurry on the side, at the highest position, of the quartz sand in the horizontal communication pipe;
and S33, after the quartz sand is cooled and the zircon powder slurry is dried, performing additive printing and forming on the plane communication layer (11) until the plane communication layer (11) is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157628.2A CN112983912A (en) | 2021-02-04 | 2021-02-04 | Additive manufactured oil circuit block and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157628.2A CN112983912A (en) | 2021-02-04 | 2021-02-04 | Additive manufactured oil circuit block and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112983912A true CN112983912A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110157628.2A Pending CN112983912A (en) | 2021-02-04 | 2021-02-04 | Additive manufactured oil circuit block and manufacturing method thereof |
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| CN203730433U (en) * | 2014-01-28 | 2014-07-23 | 洛阳德平机械设备有限公司 | Operating valve integration oil path block of pipeline end face beveling machine |
| CN203770914U (en) * | 2014-02-28 | 2014-08-13 | 徐州重型机械有限公司 | Oil way connecting block and crane |
| CN106004849A (en) * | 2015-03-26 | 2016-10-12 | 罗伯特·博世有限公司 | Hydraulic block for hydraulic unit of brake controller of hydraulic vehicle brake system |
| CN109323019A (en) * | 2018-11-30 | 2019-02-12 | 四川天采科技有限责任公司 | A kind of molding program-controlled valve group of integration of 3D printing |
| US20200124196A1 (en) * | 2018-10-19 | 2020-04-23 | Robert Bosch Gmbh | Hydraulic Distributor Block, Hydraulic Assembly, and Method |
| CN111779724A (en) * | 2020-07-09 | 2020-10-16 | 燕山大学 | Hydraulic integrated valve block for aviation electro-hydrostatic actuating system |
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2021
- 2021-02-04 CN CN202110157628.2A patent/CN112983912A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203730433U (en) * | 2014-01-28 | 2014-07-23 | 洛阳德平机械设备有限公司 | Operating valve integration oil path block of pipeline end face beveling machine |
| CN203770914U (en) * | 2014-02-28 | 2014-08-13 | 徐州重型机械有限公司 | Oil way connecting block and crane |
| CN106004849A (en) * | 2015-03-26 | 2016-10-12 | 罗伯特·博世有限公司 | Hydraulic block for hydraulic unit of brake controller of hydraulic vehicle brake system |
| US20200124196A1 (en) * | 2018-10-19 | 2020-04-23 | Robert Bosch Gmbh | Hydraulic Distributor Block, Hydraulic Assembly, and Method |
| CN109323019A (en) * | 2018-11-30 | 2019-02-12 | 四川天采科技有限责任公司 | A kind of molding program-controlled valve group of integration of 3D printing |
| CN111779724A (en) * | 2020-07-09 | 2020-10-16 | 燕山大学 | Hydraulic integrated valve block for aviation electro-hydrostatic actuating system |
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