CN110722375B - Fixing device and method for processing n-shaped arc parts - Google Patents
Fixing device and method for processing n-shaped arc parts Download PDFInfo
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- CN110722375B CN110722375B CN201911037270.9A CN201911037270A CN110722375B CN 110722375 B CN110722375 B CN 110722375B CN 201911037270 A CN201911037270 A CN 201911037270A CN 110722375 B CN110722375 B CN 110722375B
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- 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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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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
- B23P17/00—Metal-working operations, not covered by a single other subclass or another group in this subclass
- B23P17/02—Single metal-working processes; Machines or apparatus therefor
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- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to the technical field of processing of a n-shaped arc part and discloses a fixing device and a processing method for processing the n-shaped arc part; the fixing device includes: a first tool and a second tool; the first tool comprises: a first base; an arc surface support plate is fixed at the top of the first base, a boss with equal height is arranged in the middle of the arc surface support plate along the arc direction of the arc surface support plate, and a first opening is formed in the edge of the arc surface support plate; the second frock includes: a second base; the top of the second base is fixed with a first vertical plate, the top edge of the first vertical plate is provided with an arc edge matched with the arc surface of the arc surface support plate, and the arc edge is provided with a second opening corresponding to the first opening. The fixing device and the processing method provided by the invention can stably and reliably realize clamping and fixing and ensure the quality of processing operation.
Description
Technical Field
The invention relates to the technical field of processing of a n-shaped arc part, in particular to a fixing device and a processing method for processing the n-shaped arc part.
Background
The whole of the n-shaped thin-wall part is arc-shaped, the section is n-shaped, the rigidity is poor, and the processing characteristics are more and more dispersed. At present, the processing method of the arc weak rigid part mainly adopts a marking line and a local reinforcing mode for processing. The processing method has extremely low processing efficiency, and the reinforcing and clamping are difficult due to the special shape and dispersed processing characteristics; in order to avoid the defects of cutter chattering, deformation and the like during processing, the cutter feeding amount and the processing efficiency are also limited.
Disclosure of Invention
The invention provides a fixing device and a fixing method for processing a thin-walled part in a shape like a Chinese character 'ji', and solves the technical problems of difficult clamping, poor stability, low efficiency, easy occurrence of defects of tool chattering, deformation and the like in the existing processing operation of the thin-walled part in the shape like the Chinese character 'ji'.
In order to solve the technical problem, the invention provides a fixing device for processing a n-shaped arc part, which comprises: a first tool and a second tool;
the first tool comprises: a first base;
an arc surface support plate is fixed at the top of the first base, a boss with equal height is arranged in the middle of the arc surface support plate along the arc direction of the arc surface support plate, and a first opening is formed in the edge of the arc surface support plate;
the second frock includes: a second base;
the top of the second base is fixed with a first vertical plate, the top edge of the first vertical plate is provided with an arc edge matched with the arc surface of the arc surface support plate, and the arc edge is provided with a second opening corresponding to the first opening.
Furthermore, a pressing piece parallel to the first vertical plate is further fixed to the top of the second base.
Further, the pressing member includes: a second vertical plate;
the second vertical plate is fixed at the top of the second base and is arranged in parallel with the first vertical plate;
the edge of the second vertical plate is provided with an arc shape matched with the arc surface of the arc surface support plate.
Furthermore, the number of the second vertical plates is two or more, and the second vertical plates are discretely arranged on the top surface of the second base.
Furthermore, an assembly boss is arranged on the second base, and the first vertical plate and the pressing piece are fixed on the assembly boss.
Furthermore, a first alignment scribing line is arranged on the edge of the cambered surface support plate, and a second alignment scribing line is arranged on the edge of the first vertical plate.
Further, several font arc class part processing fixing device still includes: a movable support;
the movable support includes: the support comprises a support body, a first supporting part, a second supporting part and a guide sliding rail;
the guide sliding rail is fixed on the bracket body, and the first supporting part and the second supporting part are slidably fixed on the guide sliding rail;
the bottom of the first base is fixed on the first supporting portion, and the second base is fixed on the second supporting portion.
Further, the movable support is a vice.
A method for machining a part in a shape of a Chinese character 'ji', comprising the following steps:
sleeving a n-shaped arc part blank on the equal-height boss;
pushing the first base and the second base to approach each other, and pressing two wings of the n-shaped arc part blank onto the arc surface of the arc surface support plate through the first vertical plate;
and processing characteristics at the first notch and the second notch.
Further, the sleeving of the n-shaped arc part blank on the equal-height boss comprises:
drawing an alignment reticle on the blank;
and correspondingly carving a first alignment scribed line on the edge of the cambered surface support plate and a second alignment scribed line on the edge of the first vertical plate, and sleeving a cavity of the n-shaped arc part blank on the equal-height boss.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the fixing device for processing the arc parts in the shape like Chinese character 'ji', which is provided by the embodiment of the application, the arc support plate provided with the equal-height bosses can respectively support the side wings and the cavity of the arc parts in the shape like Chinese character 'ji', and the side wings of the arc parts in the shape like Chinese character 'ji' are pressed on the arc support plate through the first vertical plate, so that the integral fixation can be realized, and for the weak-rigidity parts, a very reliable fixing effect can be provided for characteristic processing, so that the processing quality is ensured; meanwhile, high-precision positioning of characteristic machining is realized through the notches formed in the first vertical plate and the cambered surface support plate, so that the machining quality is ensured; it should be noted that, because the machining reference is determined by the notch of the fixing device, the reliability can be greatly improved and the machining quality can be greatly improved compared with the existing machining mode based on the reference of the workpiece.
Drawings
FIG. 1 is a schematic structural diagram of a zigzag arc-like component according to an embodiment of the present invention;
FIG. 2 is a view A-A of FIG. 1;
fig. 3 is a schematic structural diagram of a first tool according to an embodiment of the present invention;
FIG. 4 is a view taken along line A of FIG. 3;
FIG. 5 is a view B-B of FIG. 3;
fig. 6 is a schematic structural diagram of a second base according to an embodiment of the present invention;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a left side view of FIG. 6;
fig. 9 is a schematic structural diagram of a first vertical plate according to an embodiment of the present invention;
FIG. 10 is a view C-C of FIG. 9;
fig. 11 is a schematic structural diagram of a second vertical plate according to an embodiment of the present invention;
fig. 12 is an assembly state structural schematic diagram of the device for processing and fixing a zigzag arc-shaped part according to the embodiment of the present invention.
Detailed Description
The embodiment of the application provides a fixing device and a processing method for processing a n-shaped arc part, and solves the technical problems of difficult clamping, poor stability, low efficiency, easy occurrence of defects such as chatter and deformation in the existing processing operation of n-shaped arc thin-wall parts.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and examples of the present application may be combined with each other without conflict.
For convenience of explaining the technical scheme of the present application, the following is described in detail with respect to the specific part to be processed and the processing fixing device and method thereof, respectively.
Referring to fig. 1 and 2, the zigzag arc-like part 1 according to the present embodiment is a special-shaped part with characteristic gaps 3 machined on two side wings 2 and the side walls of a cavity 4 of a punch-formed blank. The whole body is arc-shaped, the interface is in a shape of Chinese character ji, and the number of characteristic openings is more, the positions are scattered and the drilling is carried out; based on the existing processing technology, local clamping is needed, then positioning and feed processing are carried out, and due to the weak rigidity and the special-shaped structure, the clamping and fixing difficulty is high, the stability is low, the positioning precision is poor, and the processing quality is not high.
In view of this, the present embodiment provides a process idea based on overall clamping matching, reference conversion, and feature-assisted positioning; the technical problems of difficult clamping, poor stability, poor positioning precision and low efficiency are solved respectively.
As will be described in detail below.
The several font arc class parts machining fixing device that this embodiment provided includes: a first tool 5 and a second tool.
Referring to fig. 3, 4 and 5, the first tooling 5 includes: a first base 51;
an arc-shaped support plate 53 is fixed at the top of the first base 51, and along the arc direction of the arc-shaped support plate 53, a boss 52 with the same height is arranged in the middle of the arc-shaped support plate 53, and a first opening 54 is arranged at the edge of the arc-shaped support plate 53; when the processing and clamping are carried out, the side wing 2 of the n-shaped arc part 1 is abutted against the arc surface support plate 53, and the equal-height boss 52 is embedded in the cavity 4, so that the stable support is realized; meanwhile, the first notch 54 formed in the edge of the cambered surface support plate 53 can position the characteristic notch 3, and high-precision positioning processing is realized.
Referring to fig. 6, 7, 8, 9 and 10, the second tool includes: a second base 6;
a first vertical plate 7 is fixed on the top of the second base 6, an arc-shaped edge 71 matched with the arc surface of the arc-shaped support plate 53 is formed on the edge of the top of the first vertical plate 7, and a second opening 72 corresponding to the first opening 54 is formed in the arc-shaped edge 71.
During clamping, the first vertical plate 7 presses the side wing 2 onto the arc surface of the arc surface support plate 53, so that the blank is integrally fixed, and the characteristic opening 3 on the side wing 2 is correspondingly positioned.
Generally, the top edge 73 of the arcuate rim 71 is stepped for ease of manufacture.
Further, a pressing piece 8 parallel to the first vertical plate 7 is fixed on the top of the second base 6.
In this embodiment, the pressing member 8 includes: a second vertical plate; the second vertical plate is fixed at the top of the second base 6 and is arranged in parallel with the first vertical plate 7; the edge of the second vertical plate is provided with an arc shape matched with the arc surface of the arc-surface support plate 53 to serve as a second pressing part 81; thereby achieving simultaneous compression of the two flanks 2.
Generally, the lower edge 55 of the curved plate 53 may be left un-notched since machining operations can be performed on one side at the same time.
Furthermore, the number of the second vertical plates is two or more, and the second vertical plates are discretely arranged on the top surface of the second base 6.
In order to facilitate the fixed installation, an assembling boss 62 is provided on the second base 6, and the first vertical plate 7 and the pressing member 8 are fixed on the assembling boss 62. The corresponding upper edge 61 and lower edge 3 of the second support abut against the bottom of the first vertical plate 7 and the pressing piece 8, so that stable fixation is formed.
Furthermore, a first alignment scribing line is arranged on the edge of the arc support plate 53, and a second alignment scribing line is arranged on the edge of the first vertical plate and serves as a positioning pointer.
The tool can be fixed on a machine tool and also can be fixed on a movable processing platform, so that the first tool 5 and the second tool can be pushed or pulled away from each other.
Or, this embodiment provides a scheme of movable support, the processing fixing device for a zigzag arc part further includes: a movable support;
the movable support includes: the support comprises a support body, a first supporting part, a second supporting part and a guide sliding rail;
the guide sliding rail is fixed on the bracket body, and the first supporting part and the second supporting part are slidably fixed on the guide sliding rail;
the bottom of the first base is fixed on the first supporting portion, and the second base is fixed on the second supporting portion.
The movable support can also be a vice in the prior art.
The embodiment also provides a processing method based on the device.
A method for machining a part in a shape of a Chinese character 'ji', comprising the following steps:
sleeving a n-shaped arc part blank on the equal-height boss;
pushing the first base and the second base to approach each other, and pressing two wings of the n-shaped arc part blank onto the arc surface of the arc surface support plate through the first vertical plate;
and processing characteristics at the first notch and the second notch.
Further, the sleeving of the n-shaped arc part blank on the equal-height boss comprises:
drawing an alignment reticle on the blank;
and correspondingly carving a first alignment scribed line on the edge of the cambered surface support plate and a second alignment scribed line on the edge of the first vertical plate, and sleeving a cavity of the n-shaped arc part blank on the equal-height boss.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the fixing device for processing the arc parts in the shape like Chinese character 'ji', which is provided by the embodiment of the application, the arc support plate provided with the equal-height bosses can respectively support the side wings and the cavity of the arc parts in the shape like Chinese character 'ji', and the side wings of the arc parts in the shape like Chinese character 'ji' are pressed on the arc support plate through the first vertical plate, so that the integral fixation can be realized, and for the weak-rigidity parts, a very reliable fixing effect can be provided for characteristic processing, so that the processing quality is ensured; meanwhile, high-precision positioning of characteristic machining is realized through the notches formed in the first vertical plate and the cambered surface support plate, so that the machining quality is ensured; it should be noted that, because the machining reference is determined by the notch of the fixing device, the reliability can be greatly improved and the machining quality can be greatly improved compared with the existing machining mode based on the reference of the workpiece.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a several font arc class parts machining fixing device which characterized in that includes: a first tool and a second tool;
the first tool comprises: a first base;
an arc surface support plate is fixed at the top of the first base, a boss with equal height is arranged in the middle of the arc surface support plate along the arc direction of the arc surface support plate, and a first opening is formed in the edge of the arc surface support plate;
the second frock includes: a second base;
the top of the second base is fixed with a first vertical plate, the top edge of the first vertical plate is provided with an arc edge matched with the arc surface of the arc surface support plate, and the arc edge is provided with a second opening corresponding to the first opening.
2. The device for fixing the processing of the zigzag arc-shaped parts as claimed in claim 1, wherein a pressing member parallel to the first vertical plate is further fixed to the top of the second base.
3. The device for fixing processing of a zigzag type arc part according to claim 2, wherein said pressing member comprises: a second vertical plate;
the second vertical plate is fixed at the top of the second base and is arranged in parallel with the first vertical plate;
the edge of the second vertical plate is provided with an arc shape matched with the arc surface of the arc surface support plate.
4. The device for processing and fixing the zigzag arc-shaped parts as claimed in claim 3, wherein the second vertical plate is two or more than two and is discretely arranged on the top surface of the second base.
5. The processing and fixing device for the n-shaped arc parts as claimed in claim 3, wherein an assembling boss is formed on the second base, and the first vertical plate and the pressing member are fixed on the assembling boss.
6. The device for fixing the processing of the zigzag arc-shaped parts as claimed in claim 1, wherein: the edge of the cambered surface support plate is provided with a first alignment scribed line, and the edge of the first vertical plate is provided with a second alignment scribed line.
7. The device for machining and fixing the reversed V-shaped arc-shaped part according to any one of claims 1 to 6, further comprising: a movable support;
the movable support includes: the support comprises a support body, a first supporting part, a second supporting part and a guide sliding rail;
the guide sliding rail is fixed on the bracket body, and the first supporting part and the second supporting part are slidably fixed on the guide sliding rail;
the bottom of the first base is fixed on the first supporting portion, and the second base is fixed on the second supporting portion.
8. The device for fixing processing of a zigzag type arc-shaped part as claimed in claim 7, wherein said movable support is a vise.
9. A processing method of a figure-shaped arc part is characterized in that the following operation steps are executed based on the figure-shaped arc part processing and fixing device of claim 1;
the operation steps include:
sleeving a n-shaped arc part blank on the equal-height boss;
pushing the first base and the second base to approach each other, and pressing two wings of the n-shaped arc part blank onto the arc surface of the arc surface support plate through the first vertical plate;
and processing characteristics at the first notch and the second notch.
10. The method of claim 9, wherein said attaching a n-shaped arcuate part blank to said contoured land comprises:
drawing an alignment reticle on the blank;
and correspondingly carving a first alignment scribed line on the edge of the cambered surface support plate and a second alignment scribed line on the edge of the first vertical plate, and sleeving a cavity of the n-shaped arc part blank on the equal-height boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911037270.9A CN110722375B (en) | 2019-10-29 | 2019-10-29 | Fixing device and method for processing n-shaped arc parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911037270.9A CN110722375B (en) | 2019-10-29 | 2019-10-29 | Fixing device and method for processing n-shaped arc parts |
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| Publication Number | Publication Date |
|---|---|
| CN110722375A CN110722375A (en) | 2020-01-24 |
| CN110722375B true CN110722375B (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911037270.9A Active CN110722375B (en) | 2019-10-29 | 2019-10-29 | Fixing device and method for processing n-shaped arc parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478254B (en) * | 2021-05-28 | 2022-04-12 | 北京双杰电气股份有限公司 | Work fixture for crank arm |
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|---|---|---|---|---|
| JPH07204959A (en) * | 1993-12-18 | 1995-08-08 | Oxytechnik G Fuer Systemtechnik Mbh | Holding apparatus of work |
| CN101862999A (en) * | 2010-06-28 | 2010-10-20 | 深圳市银宝山新科技股份有限公司 | Fixture |
| CN202556105U (en) * | 2012-05-18 | 2012-11-28 | 哈尔滨汽轮机厂有限责任公司 | Girdling hole machining clamping device of inner ring segmental arc |
| CN205415037U (en) * | 2016-04-11 | 2016-08-03 | 哈尔滨建成集团有限公司 | A special fixture for drilling of arc work piece |
| CN106078252A (en) * | 2016-06-30 | 2016-11-09 | 湖北三江航天红阳机电有限公司 | A kind of with fiberglass cambered surface and the clamp for machining of ladder hole type parts and processing method |
| CN206578573U (en) * | 2017-03-06 | 2017-10-24 | 陕西飞机工业（集团）有限公司 | A kind of boring grab |
-
2019
- 2019-10-29 CN CN201911037270.9A patent/CN110722375B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07204959A (en) * | 1993-12-18 | 1995-08-08 | Oxytechnik G Fuer Systemtechnik Mbh | Holding apparatus of work |
| CN101862999A (en) * | 2010-06-28 | 2010-10-20 | 深圳市银宝山新科技股份有限公司 | Fixture |
| CN202556105U (en) * | 2012-05-18 | 2012-11-28 | 哈尔滨汽轮机厂有限责任公司 | Girdling hole machining clamping device of inner ring segmental arc |
| CN205415037U (en) * | 2016-04-11 | 2016-08-03 | 哈尔滨建成集团有限公司 | A special fixture for drilling of arc work piece |
| CN106078252A (en) * | 2016-06-30 | 2016-11-09 | 湖北三江航天红阳机电有限公司 | A kind of with fiberglass cambered surface and the clamp for machining of ladder hole type parts and processing method |
| CN206578573U (en) * | 2017-03-06 | 2017-10-24 | 陕西飞机工业（集团）有限公司 | A kind of boring grab |
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| CN110722375A (en) | 2020-01-24 |
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