CN114310387B - Horizontal machining tool and machining method for non-circular section special-shaped cabin section - Google Patents
Horizontal machining tool and machining method for non-circular section special-shaped cabin section Download PDFInfo
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- CN114310387B CN114310387B CN202111572139.XA CN202111572139A CN114310387B CN 114310387 B CN114310387 B CN 114310387B CN 202111572139 A CN202111572139 A CN 202111572139A CN 114310387 B CN114310387 B CN 114310387B
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- rear flange
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a horizontal processing tool for a non-circular section abnormal cabin section, which comprises a front flange, a positioning plate, a top block, a detachable pull rod, a fixed limiting block and a rear flange, wherein the front flange and the rear flange are connected through the detachable pull rod, the inner end face of the front flange and the inner end face of the rear flange are oppositely arranged, the positioning plate is an annular plate and is arranged on the inner end face of the front flange through screws and positioning pins, the outer peripheral surface of the positioning plate is provided with a plurality of top blocks connected through screws, the extending length of the top blocks is adjusted through rotating the length of the screw rods screwed into the positioning plate, one end of the cabin section to be processed is positioned by the rear flange, and the inner wall of the other end of the cabin section to be processed is supported and positioned by the top block. The horizontal clamping part of the tool is more stable than the vertical clamping part, so that machining tremble can be reduced, all machining contents can be finished through one-time horizontal clamping, and the part is not required to be clamped in a turning-around and secondary mode.
Description
Technical Field
The invention belongs to the technical field of machining processes, and relates to a horizontal machining tool and a machining method for a non-circular section abnormal-shaped cabin section.
Background
The non-circular section abnormal-shaped cabin section is of a non-circular section, has the characteristics of abnormal shape, thin wall and difficult clamping, has larger size of parts, has the maximum appearance of 610 multiplied by 500 at the section, has the length of 1490 and is of a multi-section splice welding structure. The traditional clamping method is vertical clamping, but stable clamping is difficult to realize when the method is adopted for processing, and because the clamping is improper, large processing tremble can be generated, the supporting effect of the clamping method can influence the processing efficiency, great difficulty is brought to part clamping and deformation control, the clamping method is limited by the Y-axis stroke of a machine tool, and the clamping needs to be turned around when partial areas are processed.
Compared with the vertical clamping, the horizontal clamping is more stable, machining tremble can be reduced, all numerical control machining of the inner surface and the outer surface of the part is required due to the weight requirement, all machining contents can be finished through one-time horizontal clamping, and the part does not need to be subjected to turning around and twice clamping.
The appearance and the end structure of the part are complex, particularly the forward end of the part is irregular, the whole appearance is subjected to multi-section splice welding, and although the frame of the forward end of the part is processed, the coaxiality of the frame of the forward end of the part and the rear end of the part is inaccurate, the part is required to be centered by utilizing a tailstock, and the part is required to be designed into an adjustable mechanism, and the forward end of the part can be reliably clamped.
Disclosure of Invention
Object of the invention
The purpose of the invention is that: the horizontal machining tool and the machining method for the non-circular section abnormal-shaped cabin section are provided, stable clamping of the non-circular section abnormal-shaped cabin section to be machined is achieved, all machining contents are finished through one-time horizontal clamping, and parts do not need to be clamped in a turning-around and secondary mode.
(II) technical scheme
In order to solve the technical problems, the invention provides a horizontal processing tool for a non-circular section abnormal-shaped cabin section, which comprises a front flange plate 1, a positioning plate 2, a top block 3, a detachable pull rod 4, a fixed limiting block 6 and a rear flange plate 8, wherein the front flange plate 1 and the rear flange plate 8 are connected through the detachable pull rod 4, the inner end surface of the front flange plate 1 and the inner end surface of the rear flange plate 8 are oppositely arranged, the positioning plate 2 is an annular plate and is arranged on the inner end surface of the front flange plate 1 through a screw and a positioning pin, a plurality of top blocks 3 connected through screw rods 9 are arranged on the outer peripheral surface of the positioning plate 2, the extending length of the top blocks 3 is adjusted through rotating the screw rods 9 to screw in the length in the positioning plate 2, one end of the cabin section to be processed is positioned by the rear flange plate 8, and the inner wall of the other end of the cabin section is supported and positioned by the top blocks 3.
One end of the screw rod 9 is in threaded connection with the positioning plate 2, and the screw rod 9 at the other end is screwed into the blind hole of the top block 3 through threads to tightly prop against the top block; an adjusting nut is arranged in the middle of the screw rod 9, and the length of the screw rod 9 extending out relative to the locating plate 2 is adjusted by screwing the adjusting nut to drive the top block 3 to move.
The edges between the front flange plate 1 and the rear flange plate 8 are provided with a plurality of U-shaped grooves, and the U-shaped grooves correspondingly penetrate through the plurality of fixing pull rods 5.
Wherein, detachable pull rod 4 is connected with front flange 1 and back flange 8 eccentric.
The outer circumferential surface of each top block 3 is an arc-shaped surface, and the shape of the outer circumferential surface is matched with that of the inner wall surface of the cabin section to be processed.
Wherein, a plurality of lightening holes are arranged on the front flange plate 1, the position of each lightening hole is opposite to the position of the adjusting nut on the screw rod 9, and the position of the top block 3 can be adjusted by using a spanner through the lightening hole.
The inner end face of the rear flange plate 8 is provided with a supporting and positioning ring for supporting and positioning one end face of the cabin section to be processed; a plurality of fixed limiting blocks 6 are uniformly arranged at intervals on the periphery of the supporting and positioning ring and used for circumferentially positioning the cabin section to be processed, and the inner side profile of each fixed limiting block 6 is an arc surface and is matched with the peripheral surface of the cabin section to be processed; the periphery of the supporting and positioning ring is also provided with a plurality of adjustable limiting mechanisms 7, each adjustable limiting mechanism 7 comprises a fixed seat and an adjusting block, the fixed seat is fixed on the inner end surface of the rear flange 8, the adjusting block is connected with the fixed seat through a screw, and the inner side profile of the adjusting block is an arc surface and is matched with the outer peripheral surface of the cabin section to be processed; the fixed limit block 6 and the adjustable limit mechanism 7 are concentric with the rear flange 8 when assembled.
The thickness of the locating plate 2 forms a space between the front flange plate 1 and the part, and is used for W-axis feeding processing, so that the W-axis is prevented from colliding with the front flange plate 1.
The detachable pull rod 4 comprises a first long pull rod 10, a first large nut 11, a first short pull rod 12, a small nut 13, a second short pull rod, a second large nut and a second long pull rod which are sequentially connected, the first long pull rod 10 and the second long pull rod are respectively connected with the front flange plate 1 and the rear flange plate 8, the first short pull rod 12 and the second short pull rod can move in the small nut 13, and the pull rod can be detached only by unscrewing and moving the short pull rod and the small nut during detachment.
The invention also provides a horizontal processing method for the non-circular section abnormal-shaped cabin section, which comprises the following processing steps: fixing the rear flange on a vertical turntable of a machine tool, ensuring that the flange is coaxial with the turntable through the assembly of a step shaft on the rear flange and a center hole of the turntable, and then mounting the outer circle of the part on the rear flange into a fixed limiting block on the rear flange, wherein the outer circle of the part is arranged on the center of rotation of the vertical turntable of the machine tool; the front flange plate assembled with the positioning plate and the jacking blocks is assembled at the navigation rear end of the part, the jacking blocks at a plurality of positions support the inner type, the tailstock center jacks the front flange plate, and the jacking blocks are adjusted through the screw rod, so that the front and rear coaxiality of the part is ensured; assembling a detachable pull rod from the middle of the cabin section to enable the tool and the cabin section to be connected into a whole; the external surface is processed through the rotary part of the vertical turntable, when the inner cavity is processed, the pull rod is assembled through the U-shaped grooves of the upper peripheral rings of the front flange plate and the rear flange plate, and the middle pull rod is disassembled to process the inner cavity.
(III) beneficial effects
According to the horizontal processing tool and the processing method for the non-circular section abnormal-shaped cabin section, compared with vertical clamping, the horizontal clamping part of the tool is more stable, processing tremble can be reduced, all processing contents can be finished through one-time horizontal clamping, and the part does not need to be subjected to turning around and clamped twice.
Drawings
FIG. 1 is a schematic structural view of a tool for horizontal clamping alignment of a cabin section with a non-circular cross section and a special-shaped structure;
FIG. 2 is a schematic diagram of the assembly structure of the front flange, the positioning plate and the top block;
FIG. 3 is a schematic diagram of a top block structure;
FIG. 4 is a schematic diagram of the rear flange structure;
fig. 5 is a schematic diagram of a detachable pull rod structure.
In the figure, the front flange plate 1, the positioning plate 2, the top block 3, the detachable pull rod 4, the pull rod 5, the fixed limiting block 6, the adjustable limiting mechanism 7, the rear flange plate 8, the screw rod 9, the long pull rod 10, the large nut 11, the short pull rod 12 and the small nut 13.
Detailed Description
To make the objects, contents and advantages of the present invention more apparent, the following detailed description of the present invention will be given with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the horizontal processing tool for the non-circular section abnormal-shaped cabin section of the embodiment comprises a front flange plate 1, a positioning plate 2, a top block 3, a detachable pull rod 4, a fixed limiting block 6 and a rear flange plate 8, wherein the front flange plate 1 and the rear flange plate 8 are connected through the detachable pull rod 4, the inner end face of the front flange plate 1 and the inner end face of the rear flange plate 8 are oppositely arranged, the positioning plate 2 is an annular plate and is installed on the inner end face of the front flange plate 1 through a screw and a positioning pin, a plurality of top blocks 3 connected through screw rods 9 are arranged on the outer peripheral surface of the positioning plate 2, the extending length of the top blocks 3 is adjusted through the length of the screw rods 9 screwed into the positioning plate 2, one end of the cabin section to be processed is positioned by the rear flange plate 8, and the inner wall of the other end is supported and positioned by the top block 3.
One end of the screw rod 9 is in threaded connection with the locating plate 2, and the screw rod 9 at the other end is screwed into the blind hole of the jacking block 3 through threads to jack the jacking block tightly. An adjusting nut is arranged in the middle of the screw rod 9, and the length of the screw rod 9 extending out relative to the locating plate 2 is adjusted by screwing the adjusting nut to drive the top block 3 to move.
A plurality of U-shaped grooves are formed in the edges between the front flange plate 1 and the rear flange plate 8, and the U-shaped grooves correspondingly penetrate through the plurality of fixing pull rods 5.
The detachable pull rod 4 is eccentrically connected with the front flange plate 1 and the rear flange plate 8.
The peripheral surface of each top block 3 is an arc-shaped surface, and is matched with the shape of the inner wall surface of the cabin section to be processed.
The front flange plate 1 is provided with a plurality of lightening holes, the position of each lightening hole is opposite to the position of the adjusting nut on the screw rod 9, and the position of the top block 3 can be adjusted by using a spanner through the lightening hole.
In this embodiment, the top block 3 is provided with five, and correspondingly, the lightening holes are also provided with five.
The front flange plate 1 is provided with a center hole matched with the center of the tailstock of the machine tool.
The inner end face of the rear flange plate 8 is provided with a supporting and positioning ring for supporting and positioning one end face of the cabin section to be processed. The periphery of the supporting and positioning ring is uniformly provided with a plurality of fixed limiting blocks 6 at intervals, the fixed limiting blocks are used for circumferentially positioning the cabin section to be processed, and the inner side profile of each fixed limiting block 6 is an arc surface and is matched with the periphery of the cabin section to be processed. The periphery of the supporting and positioning ring is also provided with a plurality of adjustable limiting mechanisms 7, each adjustable limiting mechanism 7 comprises a fixed seat and an adjusting block, the fixed seat is fixed on the inner end face of the rear flange plate 8, the adjusting block is connected with the fixed seat through a screw, and the inner side profile of the adjusting block is an arc surface and is matched with the outer peripheral face of the cabin section to be processed. The fixed limit block 6 and the adjustable limit mechanism 7 are concentric with the rear flange 8 when assembled.
The thickness of the locating plate 2 forms a space between the front flange plate 1 and the part, is used for W shaft feeding processing, and avoids collision between the W shaft and the front flange plate 1.
The setting of support positioning ring is used for limiting the clearance between the cabin section to be processed and the rear flange plate 8, avoiding the collision of the W shaft with the rear flange plate 8, the outer end surface of the rear flange plate 8 is provided with a step shaft, the step shaft is assembled to a central hole on a vertical turntable matched with a machine tool, and the step shaft is used for self-centering the center of a circle where the step shaft penetrates through the inner type surfaces of the fixed limiting blocks 6, and the function is to clamp the cylindrical section of the part, so that the part is concentric with the turntable. The front flange plate 1 and the rear flange plate 8 are connected into a whole by utilizing the detachable pull rod 4, and the pull rod is required to be detached from the cabin section and is designed into a symmetrical structure composed of four parts, as shown in fig. 4, the detachable pull rod comprises a first long pull rod 10, a first large nut 11, a first short pull rod 12, a small nut 13, a second short pull rod, a second large nut and a second long pull rod which are sequentially connected, the first long pull rod 10 and the second long pull rod are respectively connected with the front flange plate 1 and the rear flange plate 8, the first short pull rod 12 and the second short pull rod can move in the small nut 13, and the short pull rod and the small nut only need to be unscrewed and move and the pull rod can be detached during detachment.
Based on the processing tool, the horizontal processing method for the non-circular section abnormal-shaped cabin section comprises the following steps: fixing the rear flange on a vertical turntable of a machine tool, ensuring that the flange is coaxial with the turntable through the assembly of a step shaft on the rear flange and a center hole of the turntable, and then mounting the outer circle of the part on the rear flange into a fixed limiting block on the rear flange, wherein the outer circle of the part is arranged on the center of rotation of the vertical turntable of the machine tool; the front flange plate assembled with the positioning plate and the jacking block is assembled at the navigation rear end of the part, the five jacking blocks support the inner type, the tailstock center jacks the front flange plate, and the jacking blocks are adjusted through the screw rod, so that the front and rear coaxiality of the part is ensured; a detachable pull rod is assembled in the middle of the cabin section, so that the tool and the cabin section are connected into a whole. The external surface is processed through the rotary part of the vertical turntable, when the inner cavity is processed, the pull rod is assembled through the U-shaped grooves of the upper peripheral rings of the front flange plate and the rear flange plate, and the middle pull rod is disassembled to process the inner cavity.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (7)
1. The horizontal machining tool for the non-circular section abnormal cabin section is characterized by comprising a front flange (1), a positioning plate (2), a top block (3), a detachable pull rod (4), a fixed limiting block (6) and a rear flange (8), wherein the front flange (1) and the rear flange (8) are connected through the detachable pull rod (4), the inner end face of the front flange (1) and the inner end face of the rear flange (8) are oppositely arranged, the positioning plate (2) is an annular plate and is arranged on the inner end face of the front flange (1) through a screw and a positioning pin, a plurality of top blocks (3) connected through screws (9) are arranged on the outer peripheral surface of the positioning plate (2), the extending length of the top block (3) is adjusted by screwing in the length of the positioning plate (2) through the rotating screws (9), one end of the cabin section to be machined is positioned by the rear flange (8), and the inner wall of the other end is supported and positioned by the top block (3);
one end of the screw rod (9) is in threaded connection with the positioning plate (2), and the screw rod (9) at the other end is screwed into the blind hole of the ejector block (3) through threads to tightly jack the ejector block; an adjusting nut is arranged in the middle of the screw rod (9), and the length of the screw rod (9) extending out relative to the positioning plate (2) is adjusted by screwing the adjusting nut to drive the ejector block (3) to move;
a plurality of U-shaped grooves are formed in the edges between the front flange plate (1) and the rear flange plate (8), and a plurality of fixing pull rods (5) correspondingly penetrate through the U-shaped grooves;
the inner end face of the rear flange plate (8) is provided with a supporting and positioning ring for supporting and positioning one end face of the cabin section to be processed; a plurality of fixed limiting blocks (6) are uniformly arranged at intervals on the periphery of the supporting and positioning ring and used for circumferentially positioning the cabin section to be processed, and the inner side profile of each fixed limiting block (6) is an arc surface and is matched with the outer peripheral surface of the cabin section to be processed; the periphery of the supporting and positioning ring is also provided with a plurality of adjustable limiting mechanisms (7), each adjustable limiting mechanism (7) comprises a fixed seat and an adjusting block, the fixed seat is fixed on the inner end surface of the rear flange plate (8), the adjusting block is connected with the fixed seat through a screw rod, the inner side profile of the adjusting block is an arc surface and is matched with the outer circumferential surface of the cabin section to be processed; the fixed limiting block (6) and the adjustable limiting mechanism (7) are concentric with the rear flange (8) during assembly.
2. Horizontal machining tool for non-circular section special-shaped cabin sections according to claim 1, characterized in that the detachable pull rod (4) is eccentrically connected with the front flange (1) and the rear flange (8).
3. Horizontal processing tool for non-circular section special-shaped cabin according to claim 2, characterized in that the outer circumferential surface of each top block (3) is an arc-shaped surface, and is matched with the shape of the inner wall surface of the cabin to be processed.
4. A horizontal machining tool for non-circular section abnormal-shaped cabins according to claim 3, characterized in that the front flange plate (1) is provided with a plurality of lightening holes, the position of each lightening hole is opposite to the position of an adjusting nut on the screw (9), and the position of the top block (3) can be adjusted by using a spanner through the lightening hole.
5. Horizontal processing tool for non-circular section special-shaped cabin section according to claim 4, characterized in that the thickness of the locating plate (2) forms a space between the front flange (1) and the part for the feeding processing of the W-axis, avoiding the collision of the W-axis with the front flange (1).
6. The horizontal machining tool for the non-circular section abnormal-shaped cabin section according to claim 5, wherein the detachable pull rod (4) comprises a first long pull rod (10), a first large nut (11), a first short pull rod (12), a small nut (13), a second short pull rod, a second large nut and a second long pull rod which are sequentially connected, the first long pull rod (10) and the second long pull rod are respectively connected with the front flange (1) and the rear flange (8), the first short pull rod (12) and the second short pull rod can move in the small nut (13), and the pull rod can be detached only by unscrewing the short pull rod from the small nut and moving the short pull rod.
7. A horizontal machining method for a non-circular section abnormal-shaped cabin section, which is characterized by comprising the following steps of: fixing the rear flange on a vertical turntable of a machine tool, ensuring that the flange is coaxial with the turntable through the assembly of a step shaft on the rear flange and a center hole of the turntable, and then mounting the outer circle of the part on the rear flange into a fixed limiting block on the rear flange, wherein the outer circle of the part is arranged on the center of rotation of the vertical turntable of the machine tool; the front flange plate assembled with the positioning plate and the jacking blocks is assembled at the navigation rear end of the part, the jacking blocks at a plurality of positions support the inner type, the tailstock center jacks the front flange plate, and the jacking blocks are adjusted through the screw rod, so that the front and rear coaxiality of the part is ensured; assembling a detachable pull rod from the middle of the cabin section to enable the tool and the cabin section to be connected into a whole; the external surface is processed through the rotary part of the vertical turntable, when the inner cavity is processed, the pull rod is assembled through the U-shaped grooves of the upper peripheral rings of the front flange plate and the rear flange plate, and the middle pull rod is disassembled to process the inner cavity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111572139.XA CN114310387B (en) | 2021-12-21 | 2021-12-21 | Horizontal machining tool and machining method for non-circular section special-shaped cabin section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111572139.XA CN114310387B (en) | 2021-12-21 | 2021-12-21 | Horizontal machining tool and machining method for non-circular section special-shaped cabin section |
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| Publication Number | Publication Date |
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| CN114310387A CN114310387A (en) | 2022-04-12 |
| CN114310387B true CN114310387B (en) | 2023-04-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202861862U (en) * | 2012-08-24 | 2013-04-10 | 北京星航机电设备厂 | Machining tool for horizontal lathe outer circle eccentric parts |
| CN103111782B (en) * | 2012-10-26 | 2015-03-11 | 北京星航机电装备有限公司 | Welding tool used for cabin in multilayer abnormal shape structure |
| CN108214363B (en) * | 2016-12-15 | 2019-11-08 | 中国科学院沈阳自动化研究所 | A kind of bay section flexible clamping annular tooling |
| CN107983981B (en) * | 2018-01-04 | 2023-07-18 | 华南理工大学 | Internal and external clamping method and device for thin-wall tubular part during rotary machining |
| CN208759382U (en) * | 2018-07-24 | 2019-04-19 | 天津星马汽车有限公司 | A kind of mixer truck cover flange group is to tooling |
| CN110421195B (en) * | 2019-09-03 | 2020-06-02 | 郑州大学 | Large-scale flange formula work piece positioner that punches |
| CN110744262B (en) * | 2019-11-07 | 2021-03-05 | 北京星航机电装备有限公司 | Machining method for large complex thin-wall cabin part |
| WO2021238240A1 (en) * | 2020-05-25 | 2021-12-02 | 卓外（上海）医疗电子科技有限公司 | Mounting structure of endoscope front-end piece |
| CN112025351A (en) * | 2020-08-21 | 2020-12-04 | 江南工业集团有限公司 | Combined clamp for machining thin-wall special-shaped shell and machining method of thin-wall special-shaped shell |
| CN112453954A (en) * | 2020-11-13 | 2021-03-09 | 沈阳航天新光集团有限公司 | Cabin section machining multipurpose tool |
| CN112589171A (en) * | 2020-12-02 | 2021-04-02 | 四川航天长征装备制造有限公司 | Milling clamping tool and machining method for rotary part with circumferential boss |
| CN112643368B (en) * | 2020-12-08 | 2022-04-05 | 北京星航机电装备有限公司 | Deformation control method for vertical clamping machining of special-shaped thin-wall cabin parts |
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