CN112238359B - Tool for clamping electrode at angle - Google Patents
Tool for clamping electrode at angle Download PDFInfo
- Publication number
- CN112238359B CN112238359B CN201910638294.3A CN201910638294A CN112238359B CN 112238359 B CN112238359 B CN 112238359B CN 201910638294 A CN201910638294 A CN 201910638294A CN 112238359 B CN112238359 B CN 112238359B
- Authority
- CN
- China
- Prior art keywords
- electrode
- clamping part
- clamping
- electric spark
- numerical control
- 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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- 238000010892 electric spark Methods 0.000 claims abstract description 27
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 description 10
- 238000003801 milling Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- 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
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention belongs to the technical field of die processing, and particularly relates to a tool for clamping an electrode at an angle, which comprises an electrode in contact with a die, wherein the electrode comprises a matching part and a clamping part which are integrally processed, the top of the matching part is an electric spark action area matched with a steep inclined part of the die, the bottom surface of the clamping part is obliquely arranged, the inclined direction of the bottom surface of the clamping part is consistent with that of the top surface, the side surface of the clamping part is perpendicular to the bottom surface of the clamping part, a positioning part for installing an electric spark connecting rod is arranged below the clamping part, a fixing groove matched with the clamping part is formed in the upper end of the positioning part, the bottom surface of the positioning part is a horizontal plane, and the electric spark connecting rod is arranged on the bottom surface of the positioning part.
Description
Technical Field
The invention belongs to the technical field of mold processing, and particularly relates to a fixture for clamping an electrode at a corner.
Background
The die is basic technological equipment of the manufacturing industry, and the level of the die production technology is one of important marks for measuring the level of the national product manufacturing. The high precision, high consistency, high productivity of the production of the parts with the mold is not comparable to any other processing method. The mold determines the quality, benefit and new product development capability of the product to a great extent, so the mold has the reputation of "industry master". Along with technological progress and improvement of living water products, the product is updated quickly, the product structure and appearance are more and more complex, the requirements of modern dies are hardly met by the traditional processing technology, the traditional processing is well compensated by the special processing due to the advantages of the special processing technology, and the electric spark processing technology is particularly outstanding in die processing with a steep structure.
In the electrode processing process, the quick clamping of the electrode is realized, and the material saving is achieved, so that the method is an effective way for reducing the cost of enterprises.
At present, an EROWA fixture is mainly used for clamping the electrode, and has the advantages of safety, reliability, stability, rapidness and the like. However, at present, many dies are steeper, and the EROWA fixture can only vertically clamp, so that the height of the electrode is always higher, so that when the electrode is processed by numerical control, the cutter is required to be long enough, and the cutter cannot process many electrodes due to the limitation of the length of the cutter, and meanwhile, the processed precision is also deteriorated along with the increase of the height of the electrode due to the higher height of the electrode. If the electrode height is reduced, the effective area of the electrode is shortened, the number of the electrodes is increased, and more waste is caused.
Disclosure of Invention
In order to solve the problems of long length, material waste and difficult processing of the existing electrode in the prior art, the invention provides a fixture for clamping the electrode rotation angle, which is material-saving and convenient to process.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a frock for electrode angle clamping, includes the electrode with the mould contact, the electrode include integrated into one piece's cooperation portion and clamping part, the top of cooperation portion for with the steep slope portion phase-match electric spark action region of mould, clamping part bottom surface slope sets up, clamping part bottom surface incline direction is unanimous with top surface incline direction, the side of clamping part perpendicular with the bottom surface of clamping part, the clamping part below be equipped with the setting element that is used for installing the electric spark connecting rod, setting element upper end seted up with clamping part assorted fixed slot, the setting element bottom surface be the horizontal plane, the setting element bottom surface install the electric spark connecting rod.
Furthermore, a threaded blind hole is formed in the bottom surface of the positioning piece, and the electric spark connecting rod is in threaded connection with the threaded blind hole.
Further, the locating piece on have the numerical control that is parallel with the electrode bottom surface and mill the locating surface, the locating piece still have the numerical control and mill the benchmark step, the numerical control mill the bottom surface of benchmark step be with the clamping part bottom surface parallel of electrode first datum plane, the side of numerical control mill the benchmark step be with the clamping part bottom surface perpendicular second datum plane of electrode, the locating piece on still have with the parallel electric spark datum plane of locating piece bottom surface.
Further, a gasket is arranged between the clamping part of the electrode and the side wall of the fixing groove, a threaded through hole is formed in the side wall of the positioning piece, a screw is connected in the threaded through hole, and the gasket is tightly propped against the side face of the clamping part of the electrode by the screw.
The beneficial effects are that:
(1) The invention can reduce the height of the electrode, solve the limitation of the length of the numerical control knife, is suitable for electrodes with different angles, improves the clamping efficiency of the electrode, shortens the processing period and improves the precision of the electrode;
(2) The invention can avoid the electrode material waste caused by the steep problem of the clamping tool and the die, increase the effective area of the electrode as much as possible, save materials and reduce the processing cost;
(3) The fixture is simple to manufacture and easy to operate, and can be popularized and used for solving the problem of clamping interference in linear cutting and numerical control machining.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the electrode and die assembly of the present invention;
FIG. 2 is an assembly view of the electrode, positioning member and spark rod of the present invention;
FIG. 3 is a front view of the positioning member of the present invention;
FIG. 4 is a top view of the positioning member of the present invention;
FIG. 5 is a process assembly view of an electrode and a positioning member of the present invention;
FIG. 6 is a dimensional view of an electrode processing stock of the present invention;
FIG. 7 is a schematic diagram of the prior art electrode and mold mating;
FIG. 8 is an assembly view of a prior art electrode and positioning member;
fig. 9 is a dimensional view of a prior art electrode processing stock.
Wherein, 1, electrode, 11, matching part, 12, clamping part, 13, electric spark action area, 14, clamping part bottom surface, 2, positioning piece, 21, fixing groove, 22, positioning piece bottom surface, 23, screw blind hole, 24, a numerical control milling positioning surface, 25, a numerical control milling reference step, 251, a first reference surface, 252, a second reference surface, 26, a threaded through hole, 27, an electric spark reference surface, 3, an electric spark connecting rod, 4 and a gasket.
Detailed Description
Referring to fig. 1-4, a fixture for clamping an electrode at an angle comprises an electrode 1 in contact with a die, wherein the electrode 1 comprises a matching part 11 and a clamping part 12 which are integrally machined, the top of the matching part 11 is an electric spark action area 13 matched with a steep inclined part of the die, the bottom surface 14 of the clamping part is obliquely arranged, the inclined direction of the bottom surface 14 of the clamping part is consistent with that of the top surface, the side surface of the clamping part 12 is perpendicular to the bottom surface of the clamping part 12, a positioning piece 2 for installing an electric spark connecting rod 3 is arranged below the clamping part 12, a fixing groove 21 matched with the clamping part 12 is formed in the upper end of the positioning piece 2, the bottom surface 22 of the positioning piece is a horizontal plane, and the electric spark connecting rod 3 is installed on the bottom surface 22 of the positioning piece.
The bottom surface 22 of the positioning piece is provided with a threaded blind hole 23, and the electric spark connecting rod 3 is in threaded connection with the threaded blind hole 23.
The positioning piece 2 is provided with a numerical control milling positioning surface 24 parallel to the bottom surface of the electrode 1, the positioning piece 2 is also provided with a numerical control milling reference step 25, the bottom surface of the numerical control milling reference step 25 is a first reference surface 251 parallel to the bottom surface 14 of the clamping part of the electrode 1, the side surface of the numerical control milling reference step 25 is a second reference surface 252 perpendicular to the bottom surface 14 of the clamping part of the electrode 1, and the positioning piece 2 is also provided with an electric spark reference surface 27 parallel to the bottom surface 22 of the positioning piece.
A gasket 4 is arranged between the clamping part 12 of the electrode 1 and the side wall of the fixed groove 21, a threaded through hole 26 is formed in the side wall of the positioning piece 2, a screw is connected in the threaded through hole 26, and the gasket 4 is tightly propped against the side face of the clamping part 12 of the electrode 1 by the screw.
As shown in fig. 7 to 8, in the prior art, a die with a steep and narrow electric spark machining structure is rapidly clamped by using an EROWA clamp, but the EROWA clamp increases the height of an electrode due to structural problems, but is limited by the length of a numerical control machining tool, the effective length of the electrode is shortened, and the material utilization rate is reduced. To achieve a high electrode bottom without affecting the effective electrode length.
According to the invention, through a plurality of datum planes, the clamping can be turned over, so that the clamping can be performed according to a certain angle when the die electrode is steep, the electrode height is reduced, and the purpose of saving materials is achieved. Differences from the EROWA clamp:
(1) The EROWA fixture is fixed in direction, two different references are adopted in numerical control milling and electric spark machining, and the two reference directions are inconsistent, so that the turnover energy is increased. The EROWA clamp mode is shown in fig. 8, and the fixture clamping of the invention is shown in fig. 2.
(2) As shown in fig. 9, the stock size of the prior art electrode is 30mm x 92mm x 160mm, and the material weight is about: 0.95KG, the length of the knife needs 145mm; as shown in fig. 6, the electrode of the present invention has a stock size of 29mm by 121mm by 94mm, and the material weight is about: 0.73KG, a knife length of 91mm was required. From the above data, it can be seen that the electrode of the present invention saves material and the corresponding machining blade length is shortened.
Referring to fig. 5, during the numerical control machining, the blank is placed in the fixing groove 21, the gasket 4 is placed, the blank is pressed by the headless screw, the numerical control milling positioning surface 24 is taken as the bottom surface, the blank is placed in the flat tongs, the tool is straightened by the numerical control milling reference step 25, then the flat tongs are pressed, the electrode blank is subjected to numerical control machining, and after the machining is completed, the tool is taken down. During electric machining, the electric spark connecting rod 3 is used for clamping the tool and the electrode 1 on an electric spark machine head, and the tool is aligned and subjected to number-taking machining through the electric spark reference surface 27.
It should be understood that the above-described specific embodiments are only for explaining the present invention and are not intended to limit the present invention. Obvious variations or modifications which extend from the spirit of the present invention are within the scope of the present invention.
Claims (2)
1. The tool for clamping the electrode corner is characterized by comprising an electrode (1) in contact with a die, wherein the electrode (1) comprises an integrally processed matching part (11) and a clamping part (12), the top of the matching part (11) is an electric spark action area (13) matched with a steep inclined part of the die, the bottom surface (14) of the clamping part is obliquely arranged, the inclined direction of the bottom surface (14) of the clamping part is consistent with the inclined direction of the top surface, the side surface of the clamping part (12) is perpendicular to the bottom surface of the clamping part (12), a positioning piece (2) for installing an electric spark connecting rod (3) is arranged below the clamping part (12), a fixing groove (21) matched with the clamping part (12) is formed in the upper end of the positioning piece (2), the bottom surface (22) of the positioning piece is a horizontal plane, and the bottom surface (22) of the positioning piece is provided with the electric spark connecting rod (3). The bottom surface (22) of the positioning piece is provided with a threaded blind hole (23), and the electric spark connecting rod (3) is in threaded connection with the threaded blind hole (23); the locating piece (2) on have and to mill locating surface (24) with the numerical control that electrode (1) bottom surface is parallel, locating piece (2) still have numerical control and mill benchmark step (25), the bottom surface of numerical control mill benchmark step (25) be first benchmark surface (251) parallel with clamping part bottom surface (14) of electrode (1), the side of numerical control mill benchmark step (25) be second benchmark surface (252) perpendicular with clamping part bottom surface (14) of electrode (1), locating piece (2) on still have electric spark benchmark surface (27) parallel with locating piece bottom surface (22).
2. The tooling for clamping an electrode at an angle of rotation according to claim 1, wherein: the electrode is characterized in that a gasket (4) is arranged between the clamping part (12) of the electrode (1) and the side wall of the fixing groove (21), a threaded through hole (26) is formed in the side wall of the positioning piece (2), a screw is connected in the threaded through hole (26), and the gasket (4) is tightly propped against the side face of the clamping part (12) of the electrode (1) by the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638294.3A CN112238359B (en) | 2019-07-16 | 2019-07-16 | Tool for clamping electrode at angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638294.3A CN112238359B (en) | 2019-07-16 | 2019-07-16 | Tool for clamping electrode at angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112238359A CN112238359A (en) | 2021-01-19 |
| CN112238359B true CN112238359B (en) | 2024-05-17 |
Family
ID=74166596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910638294.3A Active CN112238359B (en) | 2019-07-16 | 2019-07-16 | Tool for clamping electrode at angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112238359B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115971929B (en) * | 2023-03-17 | 2023-06-30 | 西安瑞霖电子科技股份有限公司 | Feed horn and manufacturing method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60255323A (en) * | 1984-05-30 | 1985-12-17 | Mitsubishi Electric Corp | Electric discharge machining device |
| CN101774051A (en) * | 2010-02-22 | 2010-07-14 | 西北工业大学 | Inclined hole electrosparking processing device and method for adjusting position and angle of electrode |
| CN102581402A (en) * | 2012-01-13 | 2012-07-18 | 哈尔滨工业大学 | Micro wire electrode clamping fixed-length loss compensation device |
| CN202701537U (en) * | 2012-04-13 | 2013-01-30 | 璇瑰塑胶工业(深圳)有限公司 | Slide combined electro-discharge fixture |
| CN203210043U (en) * | 2013-03-28 | 2013-09-25 | 华南理工大学 | Universal clamp for machining mold electrode |
| CN103752963A (en) * | 2014-01-20 | 2014-04-30 | 长城汽车股份有限公司 | Electric spark machining electrode |
| CN204183059U (en) * | 2014-11-13 | 2015-03-04 | 佛山职业技术学院 | Spark machined electrode special fixture |
| CN207188938U (en) * | 2017-07-21 | 2018-04-06 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of more structure one-shot forming electrode installing devices of electric spark |
| CN207464379U (en) * | 2017-11-16 | 2018-06-08 | 昆山泽华精密模具有限公司 | For the multi-angle electrode holder of electrical discharge machining |
| CN207464384U (en) * | 2017-11-16 | 2018-06-08 | 昆山泽华精密模具有限公司 | Electrical discharge machining inclination fixture |
| CN210703665U (en) * | 2019-07-16 | 2020-06-09 | 常州星宇车灯股份有限公司 | Tool for clamping electrode in angle turning manner |
-
2019
- 2019-07-16 CN CN201910638294.3A patent/CN112238359B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60255323A (en) * | 1984-05-30 | 1985-12-17 | Mitsubishi Electric Corp | Electric discharge machining device |
| CN101774051A (en) * | 2010-02-22 | 2010-07-14 | 西北工业大学 | Inclined hole electrosparking processing device and method for adjusting position and angle of electrode |
| CN102581402A (en) * | 2012-01-13 | 2012-07-18 | 哈尔滨工业大学 | Micro wire electrode clamping fixed-length loss compensation device |
| CN202701537U (en) * | 2012-04-13 | 2013-01-30 | 璇瑰塑胶工业(深圳)有限公司 | Slide combined electro-discharge fixture |
| CN203210043U (en) * | 2013-03-28 | 2013-09-25 | 华南理工大学 | Universal clamp for machining mold electrode |
| CN103752963A (en) * | 2014-01-20 | 2014-04-30 | 长城汽车股份有限公司 | Electric spark machining electrode |
| CN204183059U (en) * | 2014-11-13 | 2015-03-04 | 佛山职业技术学院 | Spark machined electrode special fixture |
| CN207188938U (en) * | 2017-07-21 | 2018-04-06 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of more structure one-shot forming electrode installing devices of electric spark |
| CN207464379U (en) * | 2017-11-16 | 2018-06-08 | 昆山泽华精密模具有限公司 | For the multi-angle electrode holder of electrical discharge machining |
| CN207464384U (en) * | 2017-11-16 | 2018-06-08 | 昆山泽华精密模具有限公司 | Electrical discharge machining inclination fixture |
| CN210703665U (en) * | 2019-07-16 | 2020-06-09 | 常州星宇车灯股份有限公司 | Tool for clamping electrode in angle turning manner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112238359A (en) | 2021-01-19 |
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