CN108356576B - Machining clamp for effectively machining multiple sections of unequal-length circular arcs on edge of thin-wall part - Google Patents
Machining clamp for effectively machining multiple sections of unequal-length circular arcs on edge of thin-wall part Download PDFInfo
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- CN108356576B CN108356576B CN201810449145.8A CN201810449145A CN108356576B CN 108356576 B CN108356576 B CN 108356576B CN 201810449145 A CN201810449145 A CN 201810449145A CN 108356576 B CN108356576 B CN 108356576B
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- fixing
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- clamping
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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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
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Abstract
A machining fixture for effectively machining multiple sections of unequal-length circular arcs on the edge of a thin-wall part comprises a clamping fixing disc, a part fixing threaded column, a part fixing pressing disc, a fixing nut and a part locating pin. The upper surface of the clamping fixing disc is provided with three thin-wall piece limiting holes positioned at the periphery of the stepped hole, and the periphery of the thin-wall piece limiting holes is provided with part positioning pin holes. The part fixing and compressing disc is provided with a positioning hole in the middle, arc-shaped yielding grooves are respectively formed in positions corresponding to the three limiting holes of the thin-wall part, the part to be processed is positioned in the limiting holes of the thin-wall part, the machining edge direction of the part to be processed is positioned by a positioning pin hole in the periphery of the limiting holes of the thin-wall part through a part positioning pin, a part fixing threaded column extends upwards from the bottom end of a stepped hole of the clamping and fixing disc, the part fixing and compressing disc is sleeved outside the part fixing threaded column and is located on the surface of the upper end of the part to be processed, and a fixing nut downwards compresses the part fixing and compressing disc through a lower knob at the upper end of the part fixing threaded column.
Description
Technical Field
The invention relates to the field of machine manufacturing, in particular to a machining clamp.
Background
The thin-wall part is easy to deform, so that the clamping of how to quickly and accurately perform in the machining process is a technical problem, the clamping and positioning of multiple sections of unequal-length circular arcs are more difficult to accurately and quickly perform on the thin-wall part, for example, the part to be machined shown in fig. 1 and 2, three A, B, C sections of circular arcs of the part to be machined are parts to be machined, three circular holes E, F, G are distributed in unequal distribution on the same diameter circle, and the wall thickness of a column body D is relatively thin. In the prior art, the part is usually milled on milling equipment after being clamped by a special clamp, and the clamping correction efficiency is low although the part can be clamped on the milling equipment by the clamp in the prior art, so that the rapid clamping and correction are difficult, the impact of unbalanced milling force on the thin-wall part cannot be reduced, and the machining deformation of the thin-wall part caused by unbalanced stress cannot be prevented. The existing clamp seriously affects the clamping efficiency of unbalanced multi-section unequal arcs on the edge of the thin-wall part and the quality controllability of part machining.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to improve the processing technology, provides a machining fixture for effectively machining multiple sections of unequal arcs on the edge of a thin-wall part for a turning method, improves the clamping correction efficiency of the unbalanced sections of unequal arcs on the edge of the thin-wall part, reduces the impact of unbalanced cutting force on the thin-wall part, prevents the thin-wall part from being deformed due to unbalanced stress, ensures the processing quality of a workpiece, rapidly and accurately clamps the thin-wall part, simplifies the clamping procedure and improves the production efficiency.
The technical scheme adopted by the invention for achieving the purpose is as follows: a machining fixture for effectively machining multiple sections of unequal-length circular arcs on the edge of a thin-wall part comprises a clamping fixing disc, a part fixing threaded column, a part fixing compressing disc and a fixing nut; the clamping fixing plate comprises a circular fixing plate and a positioning column connected to the middle of the lower end of the circular fixing plate, a stepped hole for installing a part fixing threaded column is formed in the middle of the clamping fixing plate, the stepped hole penetrates through the fixing plate and the positioning column at the same time, the stepped hole is a stepped hole with a large lower section aperture and a small upper section aperture, an inner thread is arranged on the inner wall of the stepped hole at the lower section, three thin-wall part limiting holes are formed in the upper surface of the clamping fixing plate in a downward sunken mode, and part positioning pin holes are formed in the periphery of each thin-wall part limiting hole and correspond to pin hole positions of a part to be machined one by one; the part fixing threaded column comprises a middle section positioning part, a lower section connecting part and an upper section fixing part, wherein the middle section positioning part is a smooth cylinder with no threads on the outer surface, the lower section connecting part is formed by downwards extending the lower end of the middle section positioning part, the outer surface of the lower section connecting part is provided with external threads matched with internal threads of the lower section of a stepped hole of a clamping fixing disc, the upper section fixing part is formed by upwards extending the top end of the middle section positioning part, and the outer surface of the upper section fixing part is provided with external threads matched with a fixing nut; the middle part of the part fixing compressing disc is provided with a locating hole corresponding to the stepped hole of the clamping fixing disc, the part fixing compressing disc is respectively provided with a circular arc-shaped abdication groove at the position corresponding to the three thin-wall part limiting holes, the part to be processed is located in the thin-wall part limiting holes, a part locating pin is located in a pin hole of the part to be processed and a part locating pin hole at the periphery of the thin-wall part limiting holes, a part fixing threaded column extends upwards from the bottom end of the stepped hole of the clamping fixing disc and penetrates out of the stepped hole from the top end, the part fixing compressing disc is located outside the middle section locating part of the part fixing threaded column through the locating hole and is pressed on the upper end surface of the part to be processed, a fixing nut is matched with the upper section fixing part of the part fixing threaded column, and the fixing nut is pressed on the upper surface of the part fixing compressing disc from top to bottom, so that the part fixing compressing disc is tightly pressed on the upper surface of the part to be processed.
The invention further adopts the technical scheme that: the bottom end of the limiting hole of the thin-wall part of the clamping fixing disc is provided with a part assembly exhaust hole penetrating through the bottom surface of the fixing plate.
The invention further adopts the technical scheme that: the circular arc radius of the circular arc abdication groove of the part fixing and pressing disc is equal to the aperture of the limiting hole of the thin-wall part.
The machining fixture for effectively machining the edge of the thin-wall part with multiple sections of unequal-length circular arcs has the following beneficial effects: after the fixture is adopted, the existing milling process can be improved into turning process, the fixture is positioned on a lathe chuck, the fixture comprises a clamping fixing disc, a part assembling vent hole, a thin-wall part limiting hole, a part positioning pin hole, a part fixing threaded column, a part positioning pin, a part fixing pressing disc, a fixing pressing disc opening arc, a fixing nut and the like, the part assembling vent hole provides a part assembling vent passage, the part positioning pin positions the part to be processed, the thin-wall part limiting hole limits the part to be processed, the fixing pressing disc and the part fixing pressing disc clamp the part to be processed, the fixing nut fixes the part to be processed, the part to be processed is clamped through the part positioning pin and the thin-wall part limiting hole, simultaneously, one arc edge of the part to be processed is rapidly installed, after one arc edge is processed, niu Song fixing nut is installed, the other unprocessed arc edge of the part to be processed is transferred to the processing position of the edge of the clamping fixing disc, and the other arc edge of the part to be processed can be processed.
The invention further provides a machining fixture for effectively machining multiple sections of unequal-length circular arcs on the edge of a thin-wall part by means of the following drawing and an embodiment.
Drawings
FIG. 1 is a schematic structural view of a part to be machined;
FIG. 2 is another directional view of FIG. 1;
FIG. 3 is a schematic structural view of a machining fixture for effectively machining multiple sections of unequal-length circular arcs on the edge of a thin-walled workpiece;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is a perspective view of a machining fixture for efficiently machining multiple sections of unequal-length circular arcs at the edge of a thin-walled workpiece in accordance with the present invention;
FIG. 6 is a schematic structural view of a clamping fixture;
FIG. 7 is a cross-sectional view taken along A-A of FIG. 6;
FIG. 8 is a schematic structural view of a part-retaining threaded post;
FIG. 9 is a schematic view of the structure of the part fixing compact disc;
FIG. 10 is a schematic view of the structure of the retaining nut;
FIG. 11 is a schematic structural view of a part locating pin;
FIG. 12 is a side view of FIG. 11;
FIG. 13 is a top view of FIG. 11;
FIG. 14 is a schematic view of the structure of the present invention in which the machining fixture of FIG. 5 clamps and holds a part to be machined;
reference numerals illustrate: the device comprises a 1-part to be processed, a 2-fixing nut, a 3-part fixing threaded column, a 4-part fixing compressing disc, a 5-clamping fixing disc, a 6-thin-wall part limiting hole, a 7-part assembling exhaust hole, an 8-part locating pin, a 9-step hole, a 10-part locating pin hole, an 11-round fixing plate, a 12-locating column, a 13-middle section locating part, a 14-lower section connecting part, a 15-upper section fixing part, a 16-locating hole and a 17-yielding groove.
Detailed Description
As shown in fig. 3 to 14, the invention effectively processes multiple sections of unequal circular arcs (called as a 'machining fixture' for short) of the edge of the thin-wall part, and the machining fixture comprises a clamping fixing disc, a part fixing threaded column, a part fixing compressing disc, a fixing nut and a part locating pin. The structure of the part to be processed is shown in fig. 1 and 2, the outer circular surface of the three sections of circular arcs A, B, C connected to the surface of the cylinder is a circular arc surface to be processed, the wall thickness of the cylinder D is thinner, and the clamping is easy to deform.
Referring to fig. 6 and 7, the clamping and fixing disc comprises a circular fixing plate and a positioning column connected to the middle of the lower end of the circular fixing plate, wherein the positioning column can be positioned on a chuck of a machine tool. The clamping fixed disk middle part is equipped with the shoulder hole that is used for installing part fixed screw thread post, and the shoulder hole runs through fixed plate and reference column simultaneously, and the shoulder hole is the shoulder hole that the hypomere aperture is big and the upper segment aperture is little, and the shoulder hole inner wall that is located the hypomere is equipped with the internal thread. Three thin-wall piece limiting holes are formed in the upper surface of the clamping fixing disc in a downward sunken mode and located at the periphery of the stepped hole, and part positioning pin holes corresponding to pin hole positions of the parts to be processed one by one are formed in the periphery of each thin-wall piece limiting hole. And a part assembly exhaust hole penetrating through the bottom surface of the fixed plate is arranged at the bottom end of the limiting hole of the thin-wall part of the clamping fixed plate.
Referring to fig. 8, the part fixing threaded column includes a middle section positioning portion, a lower section connecting portion and an upper section fixing portion, the middle section positioning portion is a smooth cylinder with no threads on the outer surface, the lower section connecting portion is formed by extending the lower end of the middle section positioning portion downwards, the outer surface of the lower section connecting portion is provided with external threads matched with internal threads of the lower section of the stepped hole of the clamping and fixing disc, and the outer diameter of the lower section connecting portion is larger than that of the middle section positioning portion. The upper section fixing part is formed by upwards extending the top end of the middle section positioning part, and the outer surface of the upper section fixing part is provided with external threads matched with the fixing nut.
Referring to fig. 9, a positioning hole corresponding to the stepped hole of the clamping and fixing disc is formed in the middle of the part fixing and pressing disc, and circular arc-shaped abdication grooves are formed in positions, corresponding to the three limiting holes of the thin-wall parts, of the part fixing and pressing disc respectively. The arc radius of the arc-shaped abdicating groove of the part fixing and compacting disc is equal to the aperture of the limiting hole of the thin-wall part, so that the arc-shaped abdicating groove is designed to be not interfered or extruded with a cylinder in the middle of the part to be processed, the cylinder with a thinner wall thickness is prevented from being extruded and deformed, and a pressing plate at the edge of the arc-shaped abdicating groove can be uniformly and stably attached to the upper end face of the arc surface to be processed.
When the machining fixture is used for clamping a part to be machined, as shown in fig. 14, the part to be machined is positioned in the limiting hole of the thin-wall part, pin holes of the part to be machined are in one-to-one correspondence with part positioning pin holes on the clamping fixing plate, part positioning pins are arranged in the pin holes of the part to be machined and the part positioning pin holes on the periphery of the limiting hole of the thin-wall part, the pin holes of the part to be machined are used as references to cooperate with the part positioning pins of the machining fixture to limit the front, back, left and right positions and the rotation freedom degree of the part to be machined, and then the thin-wall outer circle of the part to be machined is used for assembling with the limiting hole of the thin-wall part of the machining fixture to limit the up and down freedom degree of the part to be machined. The part fixing threaded column extends upwards from the bottom end of the stepped hole of the clamping fixing disk and the top end of the stepped hole penetrates out of the stepped hole, the part fixing pressing disk is positioned outside the middle section positioning part of the part fixing threaded column through the positioning hole and is pressed on the upper end surface of the part to be processed, the fixing nut is matched with the upper section fixing part of the part fixing threaded column, and the fixing nut is pressed on the upper surface of the part fixing pressing disk from top to bottom, so that the part fixing pressing disk is pressed on the upper surface of the part to be processed. The part fixing and compressing disc of the machining fixture is utilized to compress the connecting cap of the part to be machined so as to fix the part to be machined, and the fixing nut of the machining fixture is utilized to lock the part to be machined between the clamping fixing disc and the part fixing and compressing disc of the machining fixture, so that clamping is completed.
The machining fixture user in practical application only needs to correct and fix the machining fixture on the machine tool chuck, and the machining clamping location of the part to be machined is ensured by the part locating pin and the thin-wall limiting hole of the machining fixture, and the machining fixture user only needs to locate the part to be machined aiming at the part locating pin of the machining fixture, so that the quick clamping can be realized. The part to be processed can be rapidly and accurately positioned on the clamping fixing disc through the limiting hole of the thin-wall part and the positioning pin hole of the part, then three parts to be processed are pressed together by the part fixing pressing disc and the fixing nut from one end of the part fixing threaded column, one section of circular arc edge of the part to be processed can be processed, after one section of circular arc edge is processed, the Niu Song fixing nut is fixed, the other unprocessed circular arc edge of the part to be processed is adjusted to be transferred to the processing position on the outer side, the other section of circular arc edge of the part to be processed can be processed, and according to the method, three unbalanced arc processing on the edges of the three parts to be processed can be completed through three transposition steps. After the fixture is adopted for machining, the traditional milling process can be changed into turning process, the impact of unbalanced cutting force on the machined part is reduced, the quality controllability of the machining precision of the part can be effectively ensured, and the productivity is improved. Through the practical application of the fixture, the quality controllability of the part to be processed is effectively ensured, the clamping efficiency of a product is greatly improved, and experiments prove that the processing efficiency of the fixture for processing the same part is improved by 30% compared with that of the fixture in the prior art.
The above embodiments are merely preferred embodiments of the present invention, and the structure of the present invention is not limited to the above embodiments, for example, the number of the positioning pin holes of the parts can be set according to the structure of the parts, and any modifications, equivalent substitutions, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The machining fixture is characterized by comprising a clamping fixing disc (5), a part fixing threaded column (3), a part fixing pressing disc (4), a fixing nut (2) and a part locating pin (8); the clamping fixing plate (5) comprises a circular fixing plate (11) and a positioning column (12) connected to the middle of the lower end of the circular fixing plate (11), a stepped hole (9) for installing a part fixing threaded column (3) is formed in the middle of the clamping fixing plate (5), the stepped hole (9) penetrates through the fixing plate (11) and the positioning column (12) simultaneously, the stepped hole (9) is a stepped hole with a large lower section aperture and a small upper section aperture, an inner thread is formed in the inner wall of the stepped hole (9) located at the lower section, three thin-wall part limiting holes (6) located at the periphery of the stepped hole (9) are formed in the upper surface of the clamping fixing plate (5) in a downward sunken mode, and part positioning pin holes (10) corresponding to pin hole positions on a part to be processed (1) one by one are formed in the periphery of each thin-wall part limiting hole (6); the part fixing threaded column (3) comprises a middle section positioning part (13), a lower section connecting part (14) and an upper section fixing part (15), wherein the middle section positioning part (13) is a smooth cylinder with no screw thread on the outer surface, the lower section connecting part (14) is formed by downwards extending the lower end of the middle section positioning part (13), the outer surface of the lower section connecting part (14) is provided with an external screw thread matched with an internal screw thread of the lower section of a stepped hole (9) of the clamping and fixing disc (5), the upper section fixing part (15) is formed by upwards extending the top end of the middle section positioning part (13), and the outer surface of the upper section fixing part (15) is provided with an external screw thread matched with the fixing nut (2); the middle part of the part fixing and compressing disc (4) is provided with a positioning hole (16) corresponding to the position of a stepped hole (9) of the clamping and compressing disc (5), the part fixing and compressing disc (4) is respectively provided with a circular arc-shaped abdication groove (17) at the position corresponding to the three thin-wall part limiting holes (6), the part (1) to be processed is positioned in the thin-wall part limiting holes (6), a part positioning pin (8) is positioned in a pin hole of the part (1) to be processed and a part positioning pin hole (10) at the periphery of the thin-wall part limiting holes (6), a part fixing threaded column (3) extends upwards from the bottom end of the stepped hole (9) of the clamping and compressing disc (5) and penetrates out of the stepped hole (9) at the top end, the part fixing and compressing disc (4) is positioned outside a middle section positioning part (13) of the part fixing threaded column (3) through the positioning hole (16) and is pressed on the upper end surface of the part (1) to be processed, and a fixing nut (2) is matched with an upper section fixing part (15) of the part fixing threaded column (3) to be processed, and the fixing nut (2) is pressed down on the upper surface of the part fixing and compressing disc (4) to be compressed on the surface of the part (1) to be processed; the bottom end of the thin-wall part limiting hole (6) of the clamping fixing disc (5) is provided with a part assembly exhaust hole (7) penetrating through the bottom surface of the fixing plate; the circular arc radius of the circular arc abdication groove (17) of the part fixing and compacting disc (4) is equal to the aperture of the limiting hole (6) of the thin-wall part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810449145.8A CN108356576B (en) | 2018-05-11 | 2018-05-11 | Machining clamp for effectively machining multiple sections of unequal-length circular arcs on edge of thin-wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810449145.8A CN108356576B (en) | 2018-05-11 | 2018-05-11 | Machining clamp for effectively machining multiple sections of unequal-length circular arcs on edge of thin-wall part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108356576A CN108356576A (en) | 2018-08-03 |
| CN108356576B true CN108356576B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810449145.8A Active CN108356576B (en) | 2018-05-11 | 2018-05-11 | Machining clamp for effectively machining multiple sections of unequal-length circular arcs on edge of thin-wall part |
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| CN (1) | CN108356576B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263342B (en) * | 2021-06-29 | 2022-06-28 | 浙江今飞机械有限公司 | Auxiliary device for processing bicycle chain wheel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514314A (en) * | 2016-11-30 | 2017-03-22 | 宁波隆源精密机械有限公司 | Numerical control lathe clamp for machining of thin-wall parts prone to deformation |
| CN106541290A (en) * | 2017-01-23 | 2017-03-29 | 苏州经贸职业技术学院 | A kind of jig of the circumferential registration for thin-wall part processing |
| CN106903528A (en) * | 2017-04-25 | 2017-06-30 | 江苏科技大学 | For the positioning clamping device and its application method of disk-like accessory processing |
| CN107263176A (en) * | 2017-06-28 | 2017-10-20 | 贵州黎阳国际制造有限公司 | The fixture and processing method of a kind of L-type annular thin-wall parts |
| CN107553186A (en) * | 2016-07-01 | 2018-01-09 | 湖北三江航天万山特种车辆有限公司 | A kind of fast-clamping clamp for thin wall component Milling Process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0902790D0 (en) * | 2009-02-20 | 2009-04-08 | Rolls Royce Plc | Fixture for securing a thin-walled component |
-
2018
- 2018-05-11 CN CN201810449145.8A patent/CN108356576B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553186A (en) * | 2016-07-01 | 2018-01-09 | 湖北三江航天万山特种车辆有限公司 | A kind of fast-clamping clamp for thin wall component Milling Process |
| CN106514314A (en) * | 2016-11-30 | 2017-03-22 | 宁波隆源精密机械有限公司 | Numerical control lathe clamp for machining of thin-wall parts prone to deformation |
| CN106541290A (en) * | 2017-01-23 | 2017-03-29 | 苏州经贸职业技术学院 | A kind of jig of the circumferential registration for thin-wall part processing |
| CN106903528A (en) * | 2017-04-25 | 2017-06-30 | 江苏科技大学 | For the positioning clamping device and its application method of disk-like accessory processing |
| CN107263176A (en) * | 2017-06-28 | 2017-10-20 | 贵州黎阳国际制造有限公司 | The fixture and processing method of a kind of L-type annular thin-wall parts |
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| CN108356576A (en) | 2018-08-03 |
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