CN114193104A - Valve body machining method and valve body - Google Patents
Valve body machining method and valve body Download PDFInfo
- Publication number
- CN114193104A CN114193104A CN202111576886.0A CN202111576886A CN114193104A CN 114193104 A CN114193104 A CN 114193104A CN 202111576886 A CN202111576886 A CN 202111576886A CN 114193104 A CN114193104 A CN 114193104A
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- 238000003754 machining Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000003672 processing method Methods 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 4
- 238000003856 thermoforming Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 6
- 239000004576 sand Substances 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Housings (AREA)
Abstract
The invention belongs to the technical field of valve body processing, and discloses a valve body processing method and a valve body, wherein the valve body processing method comprises the steps of S1, establishing a three-dimensional model of the valve body, and arranging an oil duct in the three-dimensional model of the valve body; s2, cutting the three-dimensional model of the valve body into slices to form a plurality of sheet valve bodies, wherein the plurality of sheet valve bodies are provided with section holes of oil passages; s3, enabling a plurality of plates to correspond to the plurality of sheet-shaped valve bodies one by one, and correspondingly machining section holes of the oil passages on each plate; and S4, overlapping and connecting a plurality of plates to form the valve body with the oil passage. Compared with the prior art that numerical control electric machining equipment is used for directly drilling holes and marking on the valve body and punching the oil duct, the machining method of the valve body provided by the invention occupies less space in the valve body, can arrange more complicated oil ducts in the valve body, does not need to consider the sand removal of the cast oil duct or the cutting feed route of machining in the process of machining the oil duct, and simplifies the process of machining the oil duct.
Description
Technical Field
The invention relates to the technical field of valve body machining, in particular to a valve body machining method and a valve body.
Background
The valve body processing comprises appearance processing and internal oil duct processing. The appearance processing adopts a cast or forged steel block, and the internal oil duct is obtained by adopting a scheme of combining casting and machining or simply machining. The oil duct is arranged in the valve body, oil supply liquid flows through, the existing machining of the oil duct in the valve body mainly comprises the steps of directly drilling a hole on the valve body through numerical control electric machining equipment and marking and punching the oil duct, as shown in figure 1, when the numerical control electric machining equipment is used for machining, the machined oil duct is a right-angle oil duct, the pressure loss is large, the space in the valve body is occupied, and only simple oil duct distribution can be realized. In addition, when using the numerical control electric machining apparatus, it is necessary to consider the sand removal of the cast oil passage or the feed path of the machining.
Disclosure of Invention
The invention aims to provide a valve body and a processing method thereof, and the processing of an oil duct in the valve body is more flexible.
In order to achieve the purpose, the invention adopts the following technical scheme:
a machining method of a valve body is characterized by comprising the following steps:
s1, establishing a three-dimensional model of the valve body, wherein an oil duct is arranged in the three-dimensional model of the valve body;
s2, cutting the three-dimensional model of the valve body into slices to form a plurality of sheet valve bodies, wherein the sheet valve bodies are provided with section holes of the oil duct;
s3, enabling a plurality of plates to correspond to the plurality of the sheet-shaped valve bodies one by one, and correspondingly machining section holes of the oil passages on each plate;
and S4, overlapping and connecting a plurality of plates to form the valve body with the oil passage.
Preferably, in step S3, the plate is cut according to the shape of the sheet valve body, and then a section hole of the oil passage is formed in the plate.
Preferably, in step S4, the plurality of plate members are arranged in such a manner that the plurality of sheet valve elements are arranged, and two adjacent plate members are bonded with an adhesive and then thermoformed.
Preferably, the oil passage includes two oil ports and an oil passage, the two oil ports are respectively disposed at two sides of the oil passage, and the two oil ports are communicated with the oil passage, and in step S2, cross-sectional holes of the oil ports and/or cross-sectional holes of the oil passage are processed on the plurality of sheet valve bodies.
Preferably, the plurality of sheet-like valve bodies are provided with cross-sectional holes of the oil passages at different positions, and the cross-sectional holes of the plurality of oil passages are communicated to form the oil passages.
Preferably, cross-sectional holes of the oil ports at the same position are formed in the plurality of the sheet-shaped valve bodies, and the cross-sectional holes of the oil ports are communicated to form the oil ports.
Preferably, the sheet valve bodies are provided with cross-sectional holes of the oil ports at different positions, and the cross-sectional holes of the oil ports are communicated to form the oil ports.
Preferably, the method for processing the valve body further includes step S5 of processing a connection hole in the plate.
The invention also aims to provide a valve body manufactured by using the processing method of the valve body.
Preferably, the oil passage in the valve body is capable of being obliquely arranged.
The invention has the beneficial effects that:
according to the processing method of the valve body, when the valve body is not formed, the section holes of the oil passages are processed in advance on the plates, the plates are overlapped and connected, and the valve body with the oil passages is finally formed, so that the shapes and the positions of the oil passages are more flexible, the oil passages distributed at any angles are processed, the shapes of the oil passages are optimized, and the pressure loss caused in the oil flowing process is reduced. Meanwhile, other elements can be arranged on the valve body, the arrangement positions of the other elements are more flexible, and the inner space of the valve body can be effectively increased under the condition that the appearance of the valve body is not changed. Compared with the prior art that numerical control electric machining equipment is used for directly drilling holes and marking on the valve body and punching the oil duct, the machining method of the valve body provided by the invention occupies less space in the valve body, can arrange more complicated oil ducts in the valve body and improves the practicability of the valve body. In addition, the method for machining the oil duct does not need to consider the sand removal of the cast oil duct or the machining feed route, simplifies the process for machining the oil duct, and improves the machining efficiency of the oil duct.
The invention also provides a valve body which is manufactured by using the processing method of the valve body, the shape and the position of the inner oil duct of the valve body are more flexible, the shape of the oil duct is optimized, and the pressure loss caused in the oil flowing process is reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art arrangement of an oil passage within a valve body;
FIG. 2 is a schematic structural diagram of an oil passage machined in a valve body by using a machining method for the valve body according to an embodiment of the invention;
fig. 3 is a flowchart of a method for processing a valve body according to an embodiment of the present invention.
In fig. 1:
100. a valve body; 200. an oil port; 300. an oil passage.
In fig. 2:
1. a valve body; 2. an oil port; 3. an oil passage.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the embodiments of the present invention, the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element 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" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the machining of the valve body 100 is divided into profile machining and internal oil passage machining. The shape processing adopts a cast or forged steel block. The internal oil passage is obtained by adopting a scheme of combining casting and machining or simply machining. The oil duct is arranged in the valve body 100, oil is supplied to flow through the oil duct, the existing machining of the oil duct in the valve body 100 mainly comprises the steps of directly drilling a hole on the valve body 100 through numerical control electric machining equipment, marking and punching the oil duct, wherein the oil duct comprises an oil port 200 and an oil path 300, and oil flows into the oil path 300 through the oil port 200 or oil in the oil path 300 flows out of the valve body 100 through the oil port 200. When the numerical control electric machining equipment is used for machining, the machined oil passage is a right-angle oil passage, so that the pressure loss is large, the space in the valve body 100 is occupied, and only simple oil passage distribution can be realized. In addition, when numerical control electric machining equipment is used, sand removal of a cast oil duct or a machining feed route needs to be considered, and machining efficiency is low.
In order to solve the above technical problem, the present embodiment provides a method for processing a valve body, as shown in fig. 2 and 3, the method for processing a valve body includes:
s1, establishing a three-dimensional model of the valve body 1, wherein an oil channel is arranged in the three-dimensional model of the valve body 1;
s2, cutting the three-dimensional model of the valve body 1 into slices to form a plurality of sheet valve bodies, wherein the sheet valve bodies are provided with section holes of oil passages;
s3, enabling a plurality of plates to correspond to the plurality of sheet-shaped valve bodies one by one, and correspondingly machining section holes of the oil passages on each plate;
and S4, overlapping and connecting a plurality of plates to form the valve body 1 with the oil passage.
According to the method for processing the valve body, when the valve body 1 is not formed, the cross-section holes of the oil passages are processed in advance on the plates, the plates are overlapped and connected, and the valve body 1 with the oil passages is finally formed, so that the shapes and the positions of the oil passages are more flexible, the oil passages distributed at any angles are processed, the shapes of the oil passages are optimized, and the pressure loss caused in the oil flowing process is reduced. Meanwhile, other elements can be arranged on the valve body 1, the arrangement positions of the other elements are more flexible, and the space in the valve body 1 can be effectively increased under the condition that the appearance of the valve body 1 is not changed. Compared with the method of directly drilling and marking the valve body 1 and drilling the oil duct by using the numerical control electric machining equipment in the prior art, the machining method of the valve body provided by the embodiment occupies less space in the valve body 1, can arrange more complicated oil ducts in the valve body 1, and improves the practicability of the valve body 1. In addition, the method is used for machining the oil duct, the sand removal of the cast oil duct or the machining feed route does not need to be considered, the process for machining the oil duct is simplified, and the machining efficiency of the oil duct is improved.
Further, the oil duct of the valve body 1 includes two oil ports 2 and an oil path 3, wherein one of the oil ports 2 is an oil inlet, the other is an oil outlet, the two oil ports 2 are respectively arranged on two sides of the oil path 3, and the two oil ports 2 are communicated with the oil path 3, so that oil can be transported conveniently. In step S2, the plurality of sheet-like valve bodies are respectively and correspondingly processed with the cross-sectional holes of the oil port 2 and/or the cross-sectional holes of the oil passage 3, so as to facilitate the processing of the oil port 2 and the oil passage 3. In other embodiments, according to actual requirements, a plurality of oil ports 2 and a plurality of oil passages 3 may be further disposed on the valve body 1.
Specifically, cross-section holes of the oil passages 3 at different positions are machined in the plurality of sheet valve bodies, the cross-section holes of the oil passages 3 are communicated to form the oil passages 3, the cross-section holes of the oil passages 3 are machined in a plurality of plates corresponding to the plurality of sheet valve bodies, and the plurality of plates are overlapped and connected to machine and mold the oil passages 3 of the valve body 1. The section holes of the oil passages 3 at different positions are distributed on the plurality of sheet valve bodies, so that the oil passages 3 in various shapes can be formed conveniently.
In this embodiment, the cross-sectional holes of the oil ports 2 at the same position are processed on the plurality of sheet valve bodies, the cross-sectional holes of the plurality of oil ports 2 are communicated to form the oil ports 2, the cross-sectional holes of the oil ports 2 are processed on the plurality of plates corresponding to the plurality of sheet valve bodies, and the plurality of plates are stacked and connected to form the oil ports 2 of the valve body 1. The plurality of sheet-shaped valve bodies are distributed with cross-sectional holes of the oil ports 2 at the same position, and the cross-sectional holes of the plurality of oil ports 2 are communicated to form the oil ports 2 of the valve body 1.
In other embodiments, cross-sectional holes of the oil ports 2 at different positions are processed on the plurality of sheet-shaped valve bodies, the cross-sectional holes of the plurality of oil ports 2 are communicated to form the oil ports 2, the cross-sectional holes of the oil ports 2 at different positions are processed on the plurality of plates correspondingly, and the cross-sectional holes of the oil ports 2 on the plurality of plates are communicated to form the oil ports 2 of the processed valve body 1. Or, in other embodiments, a plurality of cross-sectional holes of the oil ports 2 at different positions and a plurality of cross-sectional holes of the oil ports 2 at the same position are processed on the plurality of sheet-like valve bodies, the plurality of cross-sectional holes of the oil ports 2 at different positions and the plurality of cross-sectional holes of the oil ports 2 at the same position are processed on a plurality of plates correspondingly, the plurality of plates are connected in a stacked manner, and the cross-sectional holes of the oil ports 2 at different positions and the cross-sectional holes of the oil ports 2 at the same position are communicated to form the oil ports 2 of the valve body 1.
Specifically, in this embodiment, cut apart into ten slice valve bodies with the three-dimensional model section of valve body 1, be provided with ten slice valve bodies of panel correspondence, a plurality of slice valve bodies and a plurality of panel one-to-one correspond, correspond the cross-section hole of processing hydraulic fluid port 2 or the cross-section hole of oil circuit 3 on every panel to the oil duct of processing formation valve body 1.
More specifically, cross-section holes of the oil ports 2 are machined in six plates, three plates corresponding to the sheet valve body are stacked and connected, the cross-section holes of the three oil ports 2 are communicated to form one oil port 2, the other three plates corresponding to the sheet valve body are stacked and connected to form another oil port 2, the cross-section holes of the oil passages 3 are machined in the four plates corresponding to the sheet valve body, the four plates are stacked and connected, the cross-section holes of the four oil passages 3 are communicated to form oil passages 3, the two formed oil ports 2 are correspondingly arranged at two ends of the oil passages 3, the oil passages 2 are communicated with the oil passages 3, and oil passages in the valve body 1 are machined.
Specifically, in step S3, the plate is first cut according to the shape of the sheet valve body, and then the plate is processed to form the cross-sectional hole of the oil channel. More specifically, the plates correspond to the sheet valve bodies one by one, each plate is processed according to the shape of the corresponding sheet valve body to complete the shape processing of the valve body 1, and then the cross-section hole of the oil port 2 or the cross-section hole of the oil passage 3 is processed to form the valve body 1 with the oil passage.
Specifically, in step S4, a plurality of plates are arranged according to the arrangement of the plurality of sheet-like valve bodies cut by the three-dimensional model of the valve body 1, two adjacent plates are bonded by a bonding agent and are heated to form the valve body 1 with the oil passages, the valve body 1 is completed by splicing, and the plurality of plates are arranged in sequence, so that the processing efficiency is improved.
Specifically, as shown in fig. 2, the processing method of the valve body further includes S5, processing a connection hole on the plate. Specifically, after the oil ducts are machined and formed, a connecting hole is machined in one plate or a plurality of plates, so that the valve body 1 and the device to be connected can be connected conveniently. After the oil passage is machined, other machining steps may be performed, such as machining a spool passage.
The valve body is manufactured by the method, the shape and the position of the inner oil channel of the valve body 1 are more flexible, the shape of the oil channel is optimized, and pressure loss caused in the oil flowing process is reduced.
Specifically, the oil passage in the valve body 1 can be provided obliquely. The occupied space in the valve body 1 is small, a more complex oil duct can be arranged in the valve body 1, and the practicability of the valve body 1 is improved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A machining method of a valve body is characterized by comprising the following steps:
s1, establishing a three-dimensional model of the valve body (1), wherein an oil passage is arranged in the three-dimensional model of the valve body (1);
s2, slicing and dividing the three-dimensional model of the valve body (1) to form a plurality of sheet valve bodies, wherein the sheet valve bodies are provided with section holes of the oil duct;
s3, enabling a plurality of plates to correspond to the plurality of the sheet-shaped valve bodies one by one, and correspondingly machining section holes of the oil passages on each plate;
s4, overlapping and connecting a plurality of plates to form the valve body (1) with the oil passage.
2. The valve body processing method according to claim 1, wherein in step S3, the plate material is cut in accordance with the shape of the sheet valve body, and then the plate material is processed to form the section holes of the oil passage.
3. The valve body processing method according to claim 1, wherein in step S4, a plurality of the plate materials are arranged in an arrangement manner of the plurality of the sheet valve bodies, and two adjacent plate materials are bonded by an adhesive and are subjected to thermoforming.
4. The machining method of the valve body according to claim 1, characterized in that the oil passage includes two oil ports (2) and an oil passage (3), the two oil ports (2) are respectively disposed at both sides of the oil passage (3), and the two oil ports (2) and the oil passage (3) are communicated, and in step S2, cross-sectional holes of the oil ports (2) and/or cross-sectional holes of the oil passage (3) are machined on a plurality of the sheet-shaped valve bodies.
5. The machining method of the valve body according to the claim 4, characterized in that the cross-section holes of the oil passages (3) at different positions are machined on the plurality of sheet valve bodies, and the cross-section holes of the plurality of oil passages (3) are communicated to form the oil passages (3).
6. The machining method of the valve body according to claim 5, characterized in that the cross-sectional holes of the oil ports (2) at the same position are machined on a plurality of the sheet-shaped valve bodies, and the cross-sectional holes of the oil ports (2) are communicated to form the oil ports (2).
7. The machining method of the valve body according to claim 5, characterized in that the cross-sectional holes of the oil ports (2) at different positions are machined on a plurality of the sheet-shaped valve bodies, and the cross-sectional holes of the oil ports (2) are communicated to form the oil ports (2).
8. The method for processing the valve body according to claim 1, further comprising S5, wherein a connecting hole is processed on the plate.
9. A valve body manufactured by using the method for machining a valve body according to any one of claims 1 to 8.
10. Valve body according to claim 9, characterized in that the oil channel in the valve body (1) can be arranged obliquely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111576886.0A CN114193104A (en) | 2021-12-22 | 2021-12-22 | Valve body machining method and valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111576886.0A CN114193104A (en) | 2021-12-22 | 2021-12-22 | Valve body machining method and valve body |
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| Publication Number | Publication Date |
|---|---|
| CN114193104A true CN114193104A (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111576886.0A Pending CN114193104A (en) | 2021-12-22 | 2021-12-22 | Valve body machining method and valve body |
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| CN (1) | CN114193104A (en) |
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| CN103753148A (en) * | 2014-01-25 | 2014-04-30 | 常州机电职业技术学院 | 3D printing technology for ultrasonic shot-peening based on laser welding |
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