CN110315361A - For guaranteeing the method and device of metal plate forming thin-wall circular ring wall thickness - Google Patents

For guaranteeing the method and device of metal plate forming thin-wall circular ring wall thickness Download PDF

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Publication number
CN110315361A
CN110315361A CN201910567686.5A CN201910567686A CN110315361A CN 110315361 A CN110315361 A CN 110315361A CN 201910567686 A CN201910567686 A CN 201910567686A CN 110315361 A CN110315361 A CN 110315361A
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China
Prior art keywords
metal plate
circular ring
forming thin
pressing plate
wall circular
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CN201910567686.5A
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Chinese (zh)
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CN110315361B (en
Inventor
周新斌
黄德敏
刘志刚
韩伦珍
金鑫福
段国齐
田孟雪
廖益龙
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AECC Guizhou Liyang Aviation Power Co Ltd
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AECC Guizhou Liyang Aviation Power Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/065Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material

Abstract

The invention discloses a kind of for guaranteeing the method and device of metal plate forming thin-wall circular ring wall thickness, device includes ring body (1), ring body (1) upper surface is a flat surface, there is an annular groove in plane, the cross sectional shape of annular groove is consistent with the cross sectional shape of the non-machined part of thin-wall circular ring;Pressing plate (2), pressing plate (2) are located at upside of the ring groove, and bottom surface is plane, and pressing plate (2) can axially and radially moving respectively along ring body (1).When processing, first compress the standby exceeded position of processing part flatness of metal plate forming thin-wall circular ring, after ensuring that the part planar degree is qualified, remaining malcompression position is reprocessed to requiring thickness, then it compresses machined to requiring thickness position, after ensuring that part planar degree is qualified, remaining malcompression position is processed to requiring thickness.

Description

For guaranteeing the method and device of metal plate forming thin-wall circular ring wall thickness
Technical field
The invention belongs to technical fields of mechanical processing, the especially device of machining metal plate forming thin-wall circular ring and side Method.
Background technique
Metal plate forming thin-wall circular ring (Fig. 1) requires the part that machine adds again to cause due to finding to deform during part forming The flatness of part is poor, and part wall is thin, and thin and thick tolerance is smaller, to machine plus it is more demanding, process such part at present and use Tensioner inner circle, compression outer circle, Auxiliary support lower end surface and the mode of processing upper surface are to guarantee wall thickness dimension, due under part End face plane degree is larger, can not be corrected to positioning datum using Auxiliary support lower end surface, and the multi-point support part can not yet The deformation and vibration knife effect in processing are eliminated, the wall thickness dimension of the part after processing is caused to be unable to satisfy requirement.
Summary of the invention
The present invention is directed to propose a kind of device and method for guaranteeing metal plate forming thin-wall circular ring wall thickness, solves metal plate forming The problem that thin-wall circular ring wall thickness is inconsistent, flatness is overproof.
The present invention is realized by following technical solutions:
For guaranteeing the device of metal plate forming thin-wall circular ring wall thickness, including,
Ring body, the ring body upper surface are a flat surface, and have an annular groove, the cross sectional shape and thin-walled of annular groove in plane The cross sectional shape of the non-machined part of annulus part is consistent;
Pressing plate, the pressing plate are located at upside of the ring groove, and bottom surface is plane, and pressing plate can respectively along ring body axial direction and It moves radially.
The ring body upper surface is provided with multiple screw holes being evenly distributed on the circumference concentric with annular groove, connects in screw hole It is connected to screw rod, the pressing plate is connect with screw rod, and nut is also connected on screw rod.
Have one through thereon on the pressing plate, the notch of lower end surface.
A kind of processing method guaranteeing metal plate forming thin-wall circular ring wall thickness, to the standby processing of metal plate forming thin-wall circular ring Partial segments compress correction, segmental machining, i.e. compacted position and Working position alternately switches, and principle is first to compress metal plate forming The standby exceeded position of processing part flatness of thin-wall circular ring, it is ensured that after the part planar degree is qualified, holding impaction state, then plus Remaining malcompression position of work, then compresses machined position, it is ensured that after the part planar degree is qualified, processes remaining malcompression position It sets, is constantly repeated up to flatness and thickness is qualified.
A kind of processing method using above-mentioned guarantee metal plate forming thin-wall circular ring wall thickness device, includes the following steps:
Step 1, non-machined by metal plate forming thin-wall circular ring are partially loaded in the annular groove of ring body;
Step 2 checks the flatness to machined parts of metal plate forming thin-wall circular ring;
Step 3 compresses the position exceeded to machined parts flatness of metal plate forming thin-wall circular ring using pressing plate To flatness tolerance;
Step 4, the position Milling Machining for not having pressing plate to compress to machined parts metal plate forming thin-wall circular ring is to wanting Seek thickness;
Step 5, the pressing plate in removal step four, in the metal plate forming thin-wall circular ring position of machined to qualified thickness It is compressed using pressing plate, adjusts the quantity and pressing force size of pressing plate, guarantee the flatness of exceeded position in acceptability limit, milling adds Work is without pressing plate compacted position to requiring thickness.
Further, in the step 2, using clearance gauge insertion metal plate forming thin-wall circular ring lower end surface and ring body upper surface Between check flatness.
Further, in the step 2, table metal plate forming thin-wall circular ring upper surface is beaten using lathe and checks flatness.
Further, in the step 3, along the pressing plate that moves radially of annular groove, pressing plate and metal plate forming thin-wall circular are adjusted The contact surface size of ring adjusts the compression of pressing plate and metal plate forming thin-wall circular ring along the axial movement pressing plate of annular groove The size of power.
Further, in the step 3, pressing plate compress position include in metal plate forming thin-wall circular ring flatness it is exceeded Position and the left and right adjacent pressing plates of the pressing plate position.It is evenly distributed with for example, pressing plate shares 24 pieces on the same circumference, by metal plate The machining upper surface of forming thin-wall circular ring has been divided into 24 sections of circular arcs, when there is two sections of arc section flatnesses exceeded, uses this The two pressure plates of two sections of circular arcs closest to position compress, while by adjacent two pieces of this two pressure plates (left and right each one piece) pressing plates Also it compresses.
In the above method, compacted position and machining position have only carried out primary exchange, further, compress when using primary It is unable to satisfy with time processing when requiring, in the step 4, thickness processing does not have to one-time-reach-place and (do not have to time processing to wanting Seek thickness range), i.e., the processing capacity in the step is reduced accordingly, then in step 5, to the thickness of compacted position in step 4 Without one-time-reach-place, i.e., continuous repeating part is pressed to qualified flatness, part processing (Xiang Yaoqiu thickness is close) for degree processing, The switching of compacted position and Working position is constantly carried out, until final meet flatness and thickness requirement simultaneously.
Compared with prior art, guarantee that the processing unit (plant) of metal plate forming thin-wall circular ring wall thickness and processing method have the advantage that It is as follows:
1, thin wall circular end face and fixture comprehensive engagement may be implemented in the present invention, can prevent part discovery in process Deformation and appearance vibration knife phenomenon;
2, the present invention facilitates adjustment positioning datum, can be by the pressing plate near compressing if the bounce of certain end face is excessive And the size of pressing force is adjusted to guarantee to beat (flatness) within the margin of tolerance of size.
Detailed description of the invention
Fig. 1 is metal plate forming thin-wall circular ring part drawing;
Fig. 2 is the structure drawing of device for guaranteeing metal plate forming thin-wall circular ring wall thickness;
Fig. 3 is for guaranteeing the device of metal plate forming thin-wall circular ring wall thickness and metal plate forming thin-wall circular ring cooperation figure.
Specific embodiment
Technical solution of the present invention is described further below in conjunction with attached drawing, but required protection scope does not limit to In described.
Such as Fig. 2 and Fig. 3, for guaranteeing that the device of metal plate forming thin-wall circular ring wall thickness includes ring body 1, pressing plate 2, screw rod 3; It is wherein main member with ring body 1: has an annular groove in ring body 1, the cross sectional shape of annular groove is (specific according to specific Element Design It is the non-machined part of metal plate forming thin-wall circular ring), it is mainly used for tensioner thin-wall circular ring inner circle, on the other hand for placing Annulus part main body requires the flatness of ring body 1 to get well to guarantee part end face and 1 comprehensive engagement of ring body (Fig. 3);In ring body 1 On threaded hole at 24 is distributed with, for screw rod 2, pressing plate 3, nut cooperate, on the one hand play pressuring action, on the other hand play It is conveniently adjusted positioning datum effect;When for example, by using 24 block pressur plate 2, part is theoretically divided into 24 equal parts, to part using plug Ruler plug lower end surface or lathe are beaten table upper surface and are checked flatness at the 24 of part, using near compressing pressing plate 2 and control The size of the pressing force processed position bad to flatness is corrected, and is processed using numerical control programming to it to the part corrected, 2 compacted position of pressing plate is processed using same procedure by replacement 2 position of pressing plate, until meeting wall thickness requirement.
The specific operation method is as follows:
A kind of processing method guaranteeing metal plate forming thin-wall circular ring wall thickness, includes the following steps:
(1) in the annular groove by part according to loading ring body 1 shown in Fig. 3;
(2) table upper surface is beaten with clearance gauge plug lower end surface or lathe check part flatness;
(3) position bad to flatness is using the compression for pressing pressing plate 2 (moving radially pressing plate 2) nearby and control pressing plate 2 Power (passing through the nut of 3 end of adjusting screw rod) size is corrected in the flatness to acceptability limit of part;
(4) using numerical control programming to part malcompression part carry out Milling Machining guarantee wall thickness dimension, repeat step (3) and (4), until part wall thickness is met the requirements.

Claims (9)

1. for guaranteeing the device of metal plate forming thin-wall circular ring wall thickness, it is characterised in that: including,
Ring body (1), ring body (1) upper surface are a flat surface, and have an annular groove in plane, the cross sectional shape of annular groove with it is thin The cross sectional shape of the non-machined part of wall annulus part is consistent;
Pressing plate (2), the pressing plate (2) are located at upside of the ring groove, and bottom surface is plane, and pressing plate (2) can be respectively along ring body (1) Axially and radially move.
2. according to claim 1 for guaranteeing the device of metal plate forming thin-wall circular ring wall thickness, it is characterised in that: described Ring body (1) upper surface is provided with multiple screw holes being evenly distributed on the circumference concentric with annular groove, is connected with screw rod in screw hole (3), the pressing plate (2) connect with screw rod (3), and screw rod is also connected with nut on (3).
3. according to claim 1 for guaranteeing the device of metal plate forming thin-wall circular ring wall thickness, it is characterised in that: described Have one through thereon on pressing plate (2), the notch of lower end surface.
4. a kind of processing method for guaranteeing metal plate forming thin-wall circular ring wall thickness, it is characterised in that: to metal plate forming thin wall circular Part waits for that machined parts segmentation compresses correction, segmental machining.
5. it is a kind of using the processing method for guaranteeing metal plate forming thin-wall circular ring wall thickness device of claim 1,2 or 3, it is special Sign is, includes the following steps:
Step 1, will be in the non-machined annular groove for being partially loaded ring body (1) of metal plate forming thin-wall circular ring;
Step 2 checks the flatness to machined parts of metal plate forming thin-wall circular ring;
Step 3 compresses the position exceeded to machined parts flatness of metal plate forming thin-wall circular ring using pressing plate (2) To flatness tolerance;
Step 4, the position Milling Machining for not having pressing plate (2) to compress to machined parts metal plate forming thin-wall circular ring is to wanting Seek thickness;
Step 5, the pressing plate (2) in removal step four, makes in the metal plate forming thin-wall circular ring position of machined to qualified thickness With pressing plate (2) compress, adjust pressing plate (2) quantity and pressing force size, guarantee the flatness of exceeded position in acceptability limit, Milling Machining is without pressing plate (2) compacted position to requiring thickness.
6. processing method according to claim 5, it is characterised in that: in the step 2, using clearance gauge insertion metal plate at Flatness is checked between shape thin-wall circular ring lower end surface and ring body (1) upper surface.
7. processing method according to claim 5, it is characterised in that: in the step 2, using lathe beat table metal plate at Shape thin-wall circular ring upper surface checks flatness.
8. processing method according to claim 5, it is characterised in that: in the step 3, moved along the radial direction of annular groove Dynamic pressure plate (2) adjusts the contact surface size of pressing plate (2) and metal plate forming thin-wall circular ring, along the axial movement pressure of annular groove The size of the pressing force of plate (2), adjustment pressing plate (2) and metal plate forming thin-wall circular ring.
9. processing method according to claim 5, it is characterised in that: in the step 3, the position that pressing plate (2) compresses is wrapped Include the position of flatness is exceeded in metal plate forming thin-wall circular ring position and pressing plate (2) the left and right adjacent pressing plates (2).
CN201910567686.5A 2019-06-27 2019-06-27 Method and device for ensuring wall thickness of sheet metal forming thin-wall circular ring part Active CN110315361B (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN110834207A (en) * 2019-10-17 2020-02-25 成都飞机工业(集团)有限责任公司 Lapping plate replacing tool for multi-surface machining of parts and using method thereof
CN112091543A (en) * 2020-09-14 2020-12-18 中国航发贵州黎阳航空动力有限公司 Flame tube head machining device and method
CN112338543A (en) * 2020-09-22 2021-02-09 中国铁建重工集团股份有限公司 Ring piece processing system and ring piece processing method

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CN102139454A (en) * 2010-11-19 2011-08-03 无锡曙光模具有限公司 Fixture structure for machining large thin-wall annular part
CN102950479A (en) * 2012-08-30 2013-03-06 哈尔滨汽轮机厂有限责任公司 Method for realizing machining of combustion-compression ring bushes by using combustion-compression ring bush cutting clamp
CN204381895U (en) * 2014-12-15 2015-06-10 贵州黎阳国际制造有限公司 A kind of quick position processing unit (plant) of L-type thin-walled ring
CN104690583A (en) * 2015-03-31 2015-06-10 西峡县内燃机进排气管有限责任公司 Sectional exhaust manifold connecting neck machining clamp and method
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Publication number Priority date Publication date Assignee Title
CN110834207A (en) * 2019-10-17 2020-02-25 成都飞机工业(集团)有限责任公司 Lapping plate replacing tool for multi-surface machining of parts and using method thereof
CN110834207B (en) * 2019-10-17 2021-07-02 成都飞机工业(集团)有限责任公司 Lapping plate replacing tool for multi-surface machining of parts and using method thereof
CN112091543A (en) * 2020-09-14 2020-12-18 中国航发贵州黎阳航空动力有限公司 Flame tube head machining device and method
CN112091543B (en) * 2020-09-14 2022-04-19 中国航发贵州黎阳航空动力有限公司 Flame tube head machining device and method
CN112338543A (en) * 2020-09-22 2021-02-09 中国铁建重工集团股份有限公司 Ring piece processing system and ring piece processing method
CN112338543B (en) * 2020-09-22 2022-02-11 中国铁建重工集团股份有限公司 Ring piece processing system and ring piece processing method

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