CN110681934A - Positioning device and positioning method suitable for wire cutting of precise workpiece - Google Patents
Positioning device and positioning method suitable for wire cutting of precise workpiece Download PDFInfo
- Publication number
- CN110681934A CN110681934A CN201911054283.7A CN201911054283A CN110681934A CN 110681934 A CN110681934 A CN 110681934A CN 201911054283 A CN201911054283 A CN 201911054283A CN 110681934 A CN110681934 A CN 110681934A
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- area
- positioning
- clamping block
- tool base
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- 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
- B23H11/003—Mounting of workpieces, e.g. working-tables
-
- 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
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention provides a positioning device and a positioning method suitable for linear cutting of a precision workpiece, and the positioning device comprises a tool base and a positioning clamping block, wherein the tool base is provided with an accommodating space of a convex structure consisting of a first upper area and a second lower area, the first area, the second area and the positioning clamping block are respectively of a cuboid structure, the positioning clamping block is arranged in the second area along the length direction of the second area, and the positioning clamping block can be driven to clamp or loosen a process handle of the workpiece to be machined by operating a fastening screw, so that the positioning clamping operation of the workpiece to be machined is realized. The invention has simple structure and convenient clamping, avoids multiple clamping and alignment, has high clamping efficiency, can process a plurality of small workpieces by one-time clamping, has high processing efficiency and can meet the requirement of batch production.
Description
Technical Field
The invention relates to the technical field of tool fixtures, in particular to a positioning device and a positioning method suitable for linear cutting of a precision workpiece.
Background
Wire-cut electrical discharge machining is a machining method for removing materials by utilizing electrical discharge between a workpiece and an electrode, and wire cutting is widely applied to machining as a special machining method, but because a clamping device arranged on a machine tool workbench is simple, clamping and alignment are difficult to perform during batch production of shaft parts with micro sizes (the diameter of the shaft parts with the micro sizes is 1.5-10 mm), and production efficiency is low.
As shown in fig. 5, in the micro-miniature shaft component 10, the two end faces have the thin rectangular groove structures 15 (the groove width processing size range of the rectangular groove is 0.2 mm to 2 mm), and the requirement on the coaxiality of the two grooves is high. The common processing method of the groove is to process the groove on one surface firstly, then turn around, clamp and process the groove on the other surface, each part needs to be clamped twice, the clamping and alignment time is long, the processing efficiency is low, and the requirement of batch production is difficult to meet.
Patent document CN109702524A discloses a fixture for clamping a long cylindrical product, the fixture includes an installation member and at least one clamping mechanism disposed on the installation member, each clamping mechanism includes a lower fixing member, an upper fixing member, a first collet and at least one first pressing member, the lower fixing member is positioned on the installation member, the at least one first pressing member is fixed on the installation member and can press or loosen the lower fixing member, the first collet portion is disposed in the lower fixing member, the first collet is provided with a clamping hole for inserting the product, the upper fixing member is covered on the first collet and is in threaded connection with the lower fixing member, when the upper fixing member is fastened, the upper fixing member and the lower fixing member simultaneously press the first collet to make the first collet contract so as to clamp the product. But the design is difficult to realize the purpose of quickly aligning the small-sized precision workpiece.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a positioning device and a positioning method suitable for wire cutting of a precise workpiece.
The positioning device suitable for the wire-electrode cutting of the precise workpiece comprises a tool base 1 and a positioning clamping block 2;
the tool base 1 is provided with an accommodating space of a convex structure consisting of an upper first area 11 and a lower second area 12;
the first region 11 and the second region 12 are respectively of a cuboid structure;
the positioning clamping block 2 is of a cuboid structure;
the positioning and clamping block 2 is installed in the second area 12 along the length direction of the second area 12;
the positioning and clamping block 2 can slide along the height direction of the second area 12 under the driving of an external force.
Preferably, the tooling base 1 is further provided with a third area 13 parallel to the second area 12;
the third region 13 is a rectangular parallelepiped structure;
the second region 12 and the third region 13 are respectively arranged on two opposite surfaces of the tool base 1.
Preferably, a tooling base through hole 4 is formed in the tooling base 1;
the tool base through hole 4 communicates the second region 12 and the third region 13.
Preferably, a fastening screw 6 is also included;
the through hole 4 of the tool base is an internal threaded hole;
the fastening screw 6 is installed in the tool base through hole 4 in a matching mode from one end, close to the third area 13, of the tool base through hole 4 and extends into the second area 12.
Preferably, a workpiece 8 to be machined is also included;
a process handle 9 is connected to the workpiece 8 to be processed;
the technological handle 9 passes through the first area 11 and extends to the second area 12 and contacts with the positioning and clamping block 2;
the workpiece 8 to be processed is arranged outside the tool base 1.
Preferably, the positioning clamping block 2 is provided with a slot 7 with a rectangular structure;
the slot 7 is provided on a side close to the craftsmanship 9.
Preferably, the number of the tool base through holes 4 is one or more.
Preferably, a parallel vise 20 is also included;
the positioning clamping block 2 is fixed on the workbench through a parallel jaw 20.
Preferably, an end of the fastening screw 6 near the third region 13 is provided with an operating end 61.
According to the invention, the positioning method suitable for the wire cutting of the precise workpiece is adopted by the positioning device suitable for the wire cutting of the precise workpiece, which comprises the following steps:
the installation step: after the positioning and clamping block 2 is fixed, one end of the workpiece 8 to be processed, which is provided with the process handle 9, is arranged in a second area 12 provided with the positioning and clamping block 2;
a positioning step: rotating the operating end 61 of the fastening screw 6 to enable the fastening screw 6 to be close to the positioning and clamping block 2 to rotate and drive the positioning and clamping block 2 to prop against the technological handle 9;
cutting: operating a machine tool cutter to finish machining of a workpiece 8 to be machined;
disassembling: and rotating the fastening screw 6 to loosen the positioning clamping block 2 from the technological handle 9, and taking out the technological handle 9.
Compared with the prior art, the invention has the following beneficial effects:
1. simple structure, the clamping is convenient, has avoided pressing from both sides a lot of dress alignment, presss from both sides dress efficient, and a plurality of small-size work pieces of a clamping workable, machining efficiency is high, can realize batch production's requirement.
2. The design number of the through holes 4 of the tool base can be selected according to the actual characteristics of the workpiece 8 to be machined, the clamping operation of the workpiece 8 to be machined with various strengths can be realized through the flexible design of the through holes 4 of the tool base, the design is flexible, and the application range is wide.
3. By installing different types of operation terminals 61, the work efficiency can be improved, thereby reducing the production cost.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the tool base 1;
FIG. 3 is a schematic structural view of the positioning and clamping block 2;
fig. 4 is a schematic structural view of a workpiece 8 to be machined with a process shank 9;
fig. 5 is a schematic structural view of the shaft part 10;
fig. 6 is a schematic structural view of the parallel vise 20.
The figures show that:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
According to the positioning device suitable for the linear cutting of the precise workpiece, as shown in fig. 1, the positioning device comprises a tool base 1 and a positioning clamping block 2, wherein an accommodating space with a convex structure consisting of an upper first area 11 and a lower second area 12 is arranged on the tool base 1, the first area 11 and the second area 12 are communicated to jointly form a space structure with three open sides, the second area 12 is in a direction extending towards the first area 11, the second area 12 is spatially narrowed relative to the first area 11 due to a baffle edge 14 extending out of the tool base 1, the baffle edge 14 extending out of the tool base 1 can abut against a process handle 9, so that the process handle 9 can be pressed when the positioning clamping block 2 moves close to the process handle 9 to realize the positioning of the workpiece 8 to be processed, the problem of low efficiency caused by repeated clamping and alignment in the prior art is avoided, the structure of the positioning clamping device is simple, the dismounting is convenient, the operation is easy, a plurality of microminiature workpieces can be processed by one-time clamping, and the processing efficiency is high.
Specifically, as shown in fig. 1 and fig. 2, a first area 11 and a second area 12 are respectively of a rectangular parallelepiped structure, a positioning clamping block 2 is of a rectangular parallelepiped structure, the positioning clamping block 2 is installed in the second area 12 along the length direction of the second area 12, the positioning clamping block 2 is installed in the second area 12 and has a gap with the width direction of a tooling base 1, the positioning clamping block 2 can slide along the height direction of the second area 12 under the driving of an external force, in a preferred embodiment, a tooling base through hole 4 is formed in the tooling base 1, the tooling base through hole 4 communicates the second area 12 and the third area 13, the tooling base through hole 4 is an internally threaded hole, a fastening screw 6 is installed in the tooling base through hole 4 in a matching manner from one end of the tooling base through hole 4 close to the third area 13 and extends into the second area 12, when the fastening screw 6 is tightened, the fastening screw 6 can drive the positioning clamping block 2 to move close to the first area 11, thereby clamping one end of the technical handle 9 of the workpiece 8 to be processed and realizing clamping and positioning; when the fastening screw 6 is loosened, the clamping tendency of the positioning clamping block 2 and the process handle 9 is released, so that the process handle 9 is loosened, and the process handle 9 can be taken out of the tool base 1.
Further, as shown in fig. 2, the number of the tooling base through holes 4 is one or more. In a preferred embodiment, the number of the tool base through holes 4 is 6, and simultaneously, 6 fastening screws 6 are installed in the 6 tool base through holes 4 in a matching manner; in a variation, the number of the tooling base through holes 4 is 4, and 4 fastening screws 6 are matched and installed in the 4 tooling base through holes 4; the design number of the through holes 4 of the tool base can be selected according to the actual characteristics of the workpiece 8 to be machined, the clamping operation of the workpiece 8 to be machined with various strengths can be realized through the flexible design of the through holes 4 of the tool base, the design is flexible, and the application range is wide.
Specifically, as shown in fig. 3, a narrow groove 7 with a rectangular structure is arranged on the positioning clamping block 2, the narrow groove 7 is arranged on one surface close to the process handle 9, and the narrow groove 7 on the positioning clamping block 2 can avoid the surplus processed workpiece 8 at the position of the process handle 9, so that the positioning is more accurate, the processing precision is ensured, the contact wear between the positioning surface and the process handle is reduced by the narrow groove, the surface quality of the positioning surface is ensured, and the service life of the device is prolonged.
Specifically, as shown in fig. 1, an operating end 61 is disposed at one end of the fastening screw 6 close to the third area 13, and the operating end 61 may be variously set according to actual operating requirements, in a preferred example, the operating end 61 is an operating end 61 matched with an electric wrench, and the fastening screw 6 can be quickly fastened or loosened by the electric wrench; in a variation, the operation end 61 is an operation end 61 matched with a pneumatic wrench, and the fastening screw 6 can be quickly fastened or loosened by the pneumatic wrench; therefore, by installing different types of the manipulation ends 61, the working efficiency can be improved, thereby reducing the production cost.
Specifically, as shown in fig. 1 and 4, the tool further comprises a workpiece to be machined 8, a process handle 9 is connected to the workpiece to be machined 8, the process handle 9 passes through a first area 11 and extends to a second area 12 and contacts with the positioning and clamping block 2, and the workpiece to be machined 8 is installed outside the tool base 1.
Particularly, the invention provides a positioning method suitable for the wire cutting of a precise workpiece, which can be understood as an embodiment of a positioning device suitable for the wire cutting of the precise workpiece.
The working principle of the invention is as follows:
firstly, fixing the positioning and clamping block 2 on a workbench through a parallel jaw vice 20, then sleeving one end of one or more workpieces 8 to be processed, which is provided with a process handle 9, from one end of the second area 12, installing the workpiece in the second area 12 provided with the positioning and clamping block 2, screwing the operation ends 61 of all the fastening screws 6 at the moment to enable the fastening screws 6 to be close to the positioning and clamping block 2 to rotate and drive the positioning and clamping block 2 to jack the process handle 9, operating a machine tool cutter to finish processing the workpieces 8 to be processed after the process handle 9 end of the workpieces 8 to be processed is positioned and clamped, rotating the fastening screws 6 to enable the positioning and clamping block 2 and the process handle 9 to be loosened after the processing is finished, taking out the process handle 9, and finishing one-time processing operation.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A positioning device suitable for wire cutting of precise workpieces is characterized by comprising a tool base (1) and a positioning clamping block (2);
the tool base (1) is provided with an accommodating space of a convex structure consisting of an upper first area (11) and a lower second area (12);
the first region (11) and the second region (12) are respectively of a cuboid structure;
the positioning clamping block (2) is of a cuboid structure;
the positioning clamping block (2) is arranged in the second area (12) along the length direction of the second area (12);
the positioning clamping block (2) can slide along the height direction of the second area (12) under the driving of external force.
2. The positioning device suitable for the wire-electrode cutting of the precise workpieces as claimed in claim 1, characterized in that the tool base (1) is further provided with a third area (13) parallel to the second area (12);
the third region (13) is of a cuboid structure;
the second area (12) and the third area (13) are respectively arranged on two opposite surfaces of the tool base (1).
3. The positioning device suitable for the wire-electrode cutting of the precise workpiece according to claim 2, wherein a tool base through hole (4) is formed in the tool base (1);
the tool base through hole (4) communicates the second area (12) with the third area (13).
4. The positioning device suitable for the wire-electrode cutting of precise workpieces according to the claim 3, characterized by further comprising a fastening screw (6);
the through hole (4) of the tool base is an internal threaded hole;
and a fastening screw (6) is installed in the through hole (4) of the tool base in a matching way from one end, close to the third area (13), of the through hole (4) of the tool base and extends into the second area (12).
5. The positioning device suitable for the wire-electrode cutting of precise workpieces according to claim 1, characterized by further comprising a workpiece (8) to be machined;
a process handle (9) is connected to the workpiece (8) to be processed;
the process handle (9) passes through the first area (11) and extends to the second area (12) and is in contact with the positioning and clamping block (2);
the workpiece (8) to be processed is arranged outside the tool base (1).
6. The positioning device suitable for the wire-electrode cutting of precise workpieces as claimed in claim 5, characterized in that the positioning clamping block (2) is provided with a slot (7) with a rectangular structure;
the fine groove (7) is arranged on one surface close to the craft handle (9).
7. The positioning device suitable for the wire-electrode cutting of precise workpieces as claimed in claim 3, wherein the number of the tool base through holes (4) is one or more.
8. The positioning device suitable for the wire-electrode cutting of precise workpieces as set forth in claim 1, further comprising a parallel jaw vice (20);
the positioning clamping block (2) is fixed on the workbench through a parallel jaw vice (20).
9. The positioning device suitable for the wire-electrode cutting of precise workpieces as claimed in claim 4, characterized in that the end of the fastening screw (6) close to the third region (13) is provided with an operating end (61).
10. A positioning method suitable for wire cutting of a precision workpiece, characterized in that the positioning device suitable for wire cutting of a precision workpiece of any one of claims 1 to 9 is adopted, and the method comprises the following steps:
the installation step: after the positioning clamping block (2) is fixed, one end of a workpiece (8) to be processed, which is provided with a process handle (9), is arranged in a second area (12) provided with the positioning clamping block (2);
a positioning step: rotating the operating end (61) of the fastening screw (6) to enable the fastening screw (6) to be close to the positioning and clamping block (2) to rotate and drive the positioning and clamping block (2) to jack the technical handle (9);
cutting: operating a machine tool cutter to finish machining of a workpiece (8) to be machined;
disassembling: and rotating the fastening screw (6) to loosen the positioning clamping block (2) and the craft handle (9), and taking out the craft handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054283.7A CN110681934A (en) | 2019-10-31 | 2019-10-31 | Positioning device and positioning method suitable for wire cutting of precise workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054283.7A CN110681934A (en) | 2019-10-31 | 2019-10-31 | Positioning device and positioning method suitable for wire cutting of precise workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110681934A true CN110681934A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911054283.7A Pending CN110681934A (en) | 2019-10-31 | 2019-10-31 | Positioning device and positioning method suitable for wire cutting of precise workpiece |
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| CN (1) | CN110681934A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975019A (en) * | 2021-02-07 | 2021-06-18 | 深圳市星欣磊实业有限公司 | Wire cutting tool for processing single-fiber bidirectional optical transceiver module component |
| CN115971929A (en) * | 2023-03-17 | 2023-04-18 | 西安瑞霖电子科技股份有限公司 | Tool clamp for manufacturing feed horn, feed horn and manufacturing method of feed horn |
| CN118371803A (en) * | 2024-06-24 | 2024-07-23 | 贵州航飞精密制造有限公司 | Using method of thin-wall circular tube linear cutting clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115971929A (en) * | 2023-03-17 | 2023-04-18 | 西安瑞霖电子科技股份有限公司 | Tool clamp for manufacturing feed horn, feed horn and manufacturing method of feed horn |
| CN118371803A (en) * | 2024-06-24 | 2024-07-23 | 贵州航飞精密制造有限公司 | Using method of thin-wall circular tube linear cutting clamp |
| CN118371803B (en) * | 2024-06-24 | 2024-08-20 | 贵州航飞精密制造有限公司 | Using method of thin-wall circular tube linear cutting clamp |
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Application publication date: 20200114 |
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