CN106180927A - A kind of bent hole tool electrode for electrolytic machining deformation controller in hole - Google Patents
A kind of bent hole tool electrode for electrolytic machining deformation controller in hole Download PDFInfo
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- CN106180927A CN106180927A CN201610741187.XA CN201610741187A CN106180927A CN 106180927 A CN106180927 A CN 106180927A CN 201610741187 A CN201610741187 A CN 201610741187A CN 106180927 A CN106180927 A CN 106180927A
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- electrolytic machining
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- 238000003754 machining Methods 0.000 title claims abstract description 27
- 239000003792 electrolyte Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims 5
- 230000004888 barrier function Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
- B23H3/06—Electrode material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
本发明公开了一种弯曲孔电解加工工具电极变形控制装置，包括电解液槽、工具电极、电解液循环系统、工具电极变形控制装置，采用形状记忆合金作为电解加工工具电极进行弯曲深小孔加工，通过工具电极控制装置对工具电极进行变形控制，所述工具电极采用形状记忆合金管材料，所述工具电极与电解液系统连接，所述工具电极外侧涂有绝缘层，电解作用仅发生在工具电极电解加工端面，所述工具电极变形控制装置固定在工件的加工位置，加工时，工具电极通过工具电极控制变形装置不断进入工件内部，所述工具电极变形控制装置与单片机连接。
The invention discloses an electrode deformation control device for electrolytic machining of curved holes, which includes an electrolyte tank, a tool electrode, an electrolyte circulation system, and a tool electrode deformation control device. Shape memory alloys are used as the electrode of the electrolytic machining tool to process curved deep small holes. , the deformation of the tool electrode is controlled by the tool electrode control device, the tool electrode is made of shape memory alloy tube material, the tool electrode is connected to the electrolyte system, the outer side of the tool electrode is coated with an insulating layer, and the electrolysis only occurs The electrode electrolytic machining end face, the tool electrode deformation control device is fixed at the processing position of the workpiece, during processing, the tool electrode continuously enters the workpiece through the tool electrode deformation control device, and the tool electrode deformation control device is connected to the single-chip microcomputer.
Description
技术领域technical field
本发明属于电解加工领域，具体涉及到一种弯曲孔电解加工工具电极变形控制装置。The invention belongs to the field of electrolytic machining, and in particular relates to a device for controlling electrode deformation of a curved hole electrolytic machining tool.
背景技术Background technique
弯曲深小孔加工是通过电化学作用，加工出与工具电极截面相一致的孔型，其加工特点在于：工具电极无损耗、加工表面无冷作硬化层、孔口没有毛刺和飞边，不受材料特性的限制，表面质量好。The processing of curved deep small holes is to process the hole shape consistent with the cross section of the tool electrode through electrochemical action. Limited by the material properties, the surface quality is good.
本发明采用形状记忆合金工具电极进行弯曲深小孔的加工，通过工具电极变形控制装置，对电解加工过程中工具电极进行弯曲变形控制，其特点在于有效提高弯曲深小孔的加工精度，提高弯曲深小孔结构的使用性能。The invention uses a shape memory alloy tool electrode to process curved deep small holes, and uses a tool electrode deformation control device to control the bending deformation of the tool electrode in the electrolytic machining process. Performance of deep and small hole structure.
发明内容Contents of the invention
本发明提出在弯曲深小孔电解加工装置上，通过工具电极变形控制装置，对弯曲深小孔电解加工进行控制。The invention proposes to control the electrolytic machining of the curved deep small hole through the tool electrode deformation control device on the curved deep small hole electrolytic machining device.
为实现上述目的，本发明采用如下技术方案：To achieve the above object, the present invention adopts the following technical solutions:
在弯曲深小孔电解加工装置上，采用形状记忆合金工具电极进行弯曲深小孔电解加工，在弯曲孔电解加工过程中，工具电极与机床连接，工具电极变形控制装置固定在工件的加工位置，工具电极通过工具电极控制变形装置不断进入工件内部；所述的工具电极连接在机床上与电解液循环系统连接；所述的工具电极外侧涂有绝缘层，电解作用仅发生在工具电极电解加工端面。所述的工具电极材料为形状记忆合金；所述的工具电极变形控制装置与单片机连接。On the curved deep hole electrolytic machining device, the shape memory alloy tool electrode is used for the curved deep small hole electrolytic machining. During the curved hole electrolytic machining process, the tool electrode is connected to the machine tool, and the tool electrode deformation control device is fixed at the processing position of the workpiece. The tool electrode continuously enters the interior of the workpiece through the tool electrode control deformation device; the tool electrode is connected to the electrolyte circulation system on the machine tool; the outer side of the tool electrode is coated with an insulating layer, and the electrolysis only occurs on the end surface of the tool electrode electrolytic machining . The tool electrode material is a shape memory alloy; the tool electrode deformation control device is connected with a single chip microcomputer.
本发明的工作原理和过程：在弯曲孔电解加工过程中，工件发生电化学溶解，工具电极变形控制装置固定在工件的加工位置，通过温度控制工具电极变形，电解液由工具电极内部喷射到工件，通过工件与工具电极的间隙流入电解液槽，工件材料被蚀除，形成弯曲深小孔型结构。The working principle and process of the present invention: During the electrolytic processing of curved holes, the workpiece is electrochemically dissolved, the tool electrode deformation control device is fixed at the processing position of the workpiece, the deformation of the tool electrode is controlled by temperature, and the electrolyte is sprayed from the inside of the tool electrode to the workpiece , flows into the electrolyte tank through the gap between the workpiece and the tool electrode, and the workpiece material is etched away to form a curved deep small hole structure.
采用本发明所述的工具电极变形控制装置，可以对训练过的工具电极进行弯曲变形控制，进而加工出弯曲深小孔。本发明的优点在于结构简单，控制操作简易，加工出的弯曲孔结构，且加工孔表面质量好。By adopting the tool electrode deformation control device of the present invention, it is possible to control the bending deformation of the trained tool electrode, and then process the curved deep small hole. The invention has the advantages of simple structure, easy control and operation, the processed curved hole structure, and the surface quality of the processed hole is good.
附图说明Description of drawings
图1是本发明整体结构图。Fig. 1 is the overall structure diagram of the present invention.
图2 是发明中形状记忆合金工具电极训练前示意图。Fig. 2 is a schematic diagram of the electrode of the shape memory alloy tool in the invention before training.
图3是发明中形状记忆合金工具电极训练后示意图。Fig. 3 is a schematic diagram of the shape memory alloy tool electrode in the invention after training.
图4 是发明中形状记忆合金工具直孔加工示意图。Fig. 4 is a schematic diagram of the straight hole machining of the shape memory alloy tool in the invention.
图5 是发明中形状记忆合金工具弯曲孔加工示意图。Fig. 5 is a schematic diagram of bending hole processing of the shape memory alloy tool in the invention.
图6 是发明中工具电极变形控制装置结构图。Fig. 6 is a structural diagram of the tool electrode deformation control device in the invention.
具体实施方式detailed description
参照图1、图2、图3、图4、图5、图6，一种弯曲孔电解加工工具电极变形控制装置，包括电解液槽1、工具电极2、工具电极变形控制装置3，确保电解液循环系统7的工作，工具电极2安装在机床上，工具电极变形控制装置3固定在工件4上，所述工具电极2，通过工具电极控制变形装置3不断进入工件4内部，所述的工具电极2连接在机床上与电解液循环系统连接7，电解液通过工具电极2内部喷射到工件4上，所述的工具电极外2侧涂有绝缘层，电解作用仅发生在工具电极端面，所述的工具电极2材料为形状记忆合金，根据所需要加工弯曲孔形状，预先训练工具电极2，所述的工具电极变形控制装置3固定在工件4上，并且靠近电极电解加工端面其作用在于在工具电极电解加工过程中，进行工具电极变形控制，所述的工件电极变形控制装置3与单片机5连接，根据工具电极进给速度与时间，通过工具电极温度控制，进行弯曲深小孔电解加工。Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a tool electrode deformation control device for electrolytic machining of curved holes includes an electrolyte tank 1, a tool electrode 2, and a tool electrode deformation control device 3 to ensure that the electrolysis The work of the liquid circulation system 7, the tool electrode 2 is installed on the machine tool, the tool electrode deformation control device 3 is fixed on the workpiece 4, the tool electrode 2, through the tool electrode control deformation device 3, continuously enters the interior of the workpiece 4, and the tool electrode The electrode 2 is connected to the machine tool and connected to the electrolyte circulation system 7, and the electrolyte is sprayed onto the workpiece 4 through the tool electrode 2. The outer two sides of the tool electrode are coated with an insulating layer, and the electrolysis only occurs on the end surface of the tool electrode. The material of the tool electrode 2 is a shape memory alloy, and the tool electrode 2 is pre-trained according to the shape of the curved hole to be processed. The tool electrode deformation control device 3 is fixed on the workpiece 4, and its function is to be close to the end surface of the electrolytic machining of the electrode. During the tool electrode electrolytic machining process, tool electrode deformation control is performed. The workpiece electrode deformation control device 3 is connected to the single-chip microcomputer 5. According to the tool electrode feed speed and time, the curved deep hole electrolytic machining is performed through tool electrode temperature control.
本发明的工作原理与过程：首先工件4整体安置于电解液槽1内，工具电极2接电源6负极，工件4接电源6正极，工具电极2连接到电解液入口，电解液通过工具电极2内部喷射到工件4上，工具电极变形控制装置3安装在工具电极2上，并且靠近电极电解加工端面，置于工件4上，工具电极2材料为形状记忆合金，根据所需要加工弯曲孔形状，预先训练工具电极，工具电极变形控制装置3与单片机5连接，根据工具电极2进给速度与时间，通过工具电极2温度控制，进行弯曲深小孔电解加工控制。The working principle and process of the present invention: first, the workpiece 4 is placed in the electrolyte tank 1 as a whole, the tool electrode 2 is connected to the negative pole of the power supply 6, the workpiece 4 is connected to the positive pole of the power supply 6, the tool electrode 2 is connected to the electrolyte inlet, and the electrolyte passes through the tool electrode 2 The interior is sprayed onto the workpiece 4, the tool electrode deformation control device 3 is installed on the tool electrode 2, and is placed on the workpiece 4 near the end surface of the electrode electrolytic machining. The material of the tool electrode 2 is a shape memory alloy, and the shape of the curved hole is processed according to the requirements. The tool electrode is pre-trained, and the tool electrode deformation control device 3 is connected to the single-chip microcomputer 5. According to the feed speed and time of the tool electrode 2, the temperature control of the tool electrode 2 is used to control the electrolytic machining of the curved deep hole.
采用本发明装置，可改善其他弯曲深小孔加工方法的不足，可以提高弯曲深小孔的加工精度。By adopting the device of the invention, the shortcomings of other curved deep and small hole processing methods can be improved, and the processing precision of the curved deep small hole can be improved.
Claims (6)
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| CN201610741187.XA CN106180927A (en) | 2016-08-29 | 2016-08-29 | A kind of bent hole tool electrode for electrolytic machining deformation controller in hole |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735639A (en) * | 2016-12-19 | 2017-05-31 | 深圳大学 | A kind of electrolytic processing process and its device of deformable tool-electrode |
| CN108436474A (en) * | 2018-04-26 | 2018-08-24 | 重庆大学 | A kind of Bend Hole Machining method of combination drilling and plastic deformation |
| CN110026628A (en) * | 2019-04-12 | 2019-07-19 | 广东工业大学 | A kind of electrochemical machining apparatus and its method for electrochemical machining based on mangneto deformation poll |
| CN110842307A (en) * | 2019-11-22 | 2020-02-28 | 合肥工业大学 | Electrochemical machining tool for complex inner wall structure with poor accessibility |
| CN112935436A (en) * | 2021-01-27 | 2021-06-11 | 南京航空航天大学 | Electrode, device and method for electrolytic mechanical composite polishing of inner surface of metal bent pipe |
| CN113478031A (en) * | 2021-07-28 | 2021-10-08 | 南京航空航天大学 | Flexible electrode dynamic deformation electrolytic machining method and application |
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| CN110026628A (en) * | 2019-04-12 | 2019-07-19 | 广东工业大学 | A kind of electrochemical machining apparatus and its method for electrochemical machining based on mangneto deformation poll |
| CN110842307A (en) * | 2019-11-22 | 2020-02-28 | 合肥工业大学 | Electrochemical machining tool for complex inner wall structure with poor accessibility |
| CN112935436A (en) * | 2021-01-27 | 2021-06-11 | 南京航空航天大学 | Electrode, device and method for electrolytic mechanical composite polishing of inner surface of metal bent pipe |
| CN113478031A (en) * | 2021-07-28 | 2021-10-08 | 南京航空航天大学 | Flexible electrode dynamic deformation electrolytic machining method and application |
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