CN109352362B - Five-claw joint external arc surface integrated turning device - Google Patents

Five-claw joint external arc surface integrated turning device Download PDF

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Publication number
CN109352362B
CN109352362B CN201811458146.5A CN201811458146A CN109352362B CN 109352362 B CN109352362 B CN 109352362B CN 201811458146 A CN201811458146 A CN 201811458146A CN 109352362 B CN109352362 B CN 109352362B
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disc
claw
seamless steel
supporting
plate
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CN109352362A (en
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吴小伟
陈储
刘立安
杨斯达
管雅娟
陈莎莎
方捷民
王谌辉
方新宇
胡明华
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Shanghai Space Precision Machinery Research Institute
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Shanghai Space Precision Machinery Research Institute
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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

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Abstract

The invention provides an integrated turning device for an outer arc surface of a five-claw joint, which comprises a base, a lower supporting seamless steel tube, a disc, an upper supporting seamless steel tube, a supporting circular plate, a lower pressing plate and an upper pressing plate connecting bottom plate, wherein the lower supporting seamless steel tube is arranged on the base; the base is used for bottom support and is connected with the disc through a lower support seamless steel tube; the disc is used for arranging a reference surface and is connected with the supporting circular plate through the upper supporting seamless steel pipe; the periphery of the supporting circular plate is provided with a five-claw fixing structure, and the five-claw fixing structure is matched with the lower pressing plate and the upper pressing plate connecting bottom plate to compress the five-claw joint. The invention solves the technical problem of turning the outer arc surface of the five-claw joint, fixes the product on the disc, ensures quick and accurate clamping and positioning, ensures the consistency of the clamping precision of the product, can clamp 16 products at a time, not only ensures the turning precision of the product, but also improves the processing efficiency and effectively ensures the quality and progress of model scientific research and production.

Description

Five-claw joint external arc surface integrated turning device
Technical Field
The invention relates to the field of machining, in particular to an integrated turning device for an outer arc surface of a five-claw joint.
Background
The five-claw joint is a structural part on the rear short shell of the carrier rocket, bears the action of larger load in the flying process of the rocket, is connected with the inner wall of the rear short shell by riveting, the outer surface of the joint is an arc surface, one end of the joint is an inclined surface, and the wall thickness of the joint needs to be ensured during processing. Among the prior art at present, fixed through split type frock, the product size uniformity standard degree is lower after the lathe work to machining efficiency is not high.
The integrated turning technology can ensure quick and accurate clamping and positioning, ensure the consistency of the clamping precision of products, realize the clamping of a plurality of products, and effectively improve the processing efficiency while controlling the turning precision of the products. The integrated turning technology is applied to the processing of the outer arc surface of the five-claw joint, and has great scientific research significance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an integrated turning device for the outer arc surface of a five-claw joint.
The invention provides an integrated turning device for an outer arc surface of a five-claw joint, which comprises a base, a lower supporting seamless steel tube, a disc, an upper supporting seamless steel tube, a supporting circular plate, a lower pressing plate and an upper pressing plate connecting bottom plate, wherein the lower supporting seamless steel tube is arranged on the base;
the base is used for bottom support and is connected with the disc through a lower support seamless steel tube;
the disc is used for arranging a reference surface and is connected with the supporting circular plate through the upper supporting seamless steel pipe;
the periphery of the supporting circular plate is provided with a five-claw fixing structure, and the five-claw fixing structure is matched with the lower pressing plate and the upper pressing plate connecting bottom plate to compress the five-claw joint.
Preferably, the lower supporting seamless steel tube is fixedly connected with the base and the disc respectively by fillet welding; the coaxiality of the base and the central axis of the outer end face of the disc is less than or equal to 0.2 mm.
Preferably, the datum plane is used for fixing the position of the bottom plane and the intrados of the five-jaw joint.
Preferably, the upper support seamless steel pipe is fixedly connected with the circular disc and the support circular plate respectively by fillet welding;
and a five-claw groove is formed in the supporting circular plate and used for fixing the five-claw joint.
Preferably, the lower pressing plate and the upper pressing plate are connected with the bottom plate and respectively press the lower end face and the upper end face of the five-claw joint.
Preferably, the lower pressure plate is connected with the disc through a lower compression bolt;
the upper pressure plate connecting bottom plate is connected with the supporting circular plate through an upper compression bolt.
Preferably, the outer peripheral surface of the disc is provided with a groove, the cross section of the groove is in an L shape and is marked as an L-shaped groove, the transverse plane of the L-shaped groove is used as the transverse plane of the reference plane, and the vertical plane of the L-shaped groove is used as the vertical plane of the reference plane.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention has simple structure, stability and reliability;
2. the invention adopts an integrated structure, ensures quick and accurate clamping and positioning through the processing device, ensures the consistency of the processing precision of products, can realize the clamping of a plurality of products, greatly improves the processing efficiency on the premise of ensuring the turning precision of the products, and effectively ensures the model scientific research and production quality and progress.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic three-dimensional structure of the lower platen of the present invention;
FIG. 3 is a schematic three-dimensional structure of the upper platen connection base plate of the present invention;
fig. 4 is a schematic view of the mounting structure of the present invention.
The figures show that:
Figure BDA0001888126940000021
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
According to the integrated turning device for the outer arc surface of the five-claw joint, the device comprises a base 1, a lower supporting seamless steel tube 2, a disc 3, an upper supporting seamless steel tube 4, a supporting disc 5, a lower pressure plate 6 and an upper pressure plate connecting bottom plate 7;
the base 1 is used for bottom support, and the base 1 is connected with the disc 3 through a lower support seamless steel tube 2;
the disc 3 is used for setting a reference surface, and the disc 3 is connected with a supporting circular plate 5 through an upper supporting seamless steel pipe 4;
the periphery of the supporting circular plate 5 is provided with a five-claw fixing structure, and the five-claw fixing structure is matched with the lower pressing plate 6 and the upper pressing plate connecting bottom plate 7 to press a five-claw joint or a turning product.
Specifically, the lower supporting seamless steel tube 2 is fixedly connected with the base 1 and the disc 3 respectively by fillet welding; the coaxiality of the base 1 and the central axis of the outer end face of the disc 3 is less than or equal to 0.2 mm.
Specifically, the datum plane is used for fixing the positions of the bottom plane and the inner arc surface of the five-claw joint, and the bottom plane and the inner arc surface of the product are guaranteed to be fixed in position.
Specifically, the upper support seamless steel tube 4 is fixedly connected with the circular disc 3 and the support circular plate 5 by fillet welding respectively; the support circular plate 5 is provided with five-jaw slots for fixing five-jaw joints, which preferably can be simultaneously fitted with 16 groups of products.
Specifically, the lower pressing plate 6 and the upper pressing plate connecting base plate 7 respectively press the upper end face and the lower end face of the five-claw joint, so that the position of a product is fixed during turning.
Specifically, the lower pressure plate 6 is connected with the disc 3 through a lower compression bolt 8;
the upper pressure plate connecting bottom plate 7 is connected with the supporting circular plate 5 through an upper compression bolt 9.
Specifically, the outer peripheral surface of the disc 3 is provided with a groove, the cross section of the groove is L-shaped and is marked as an L-shaped groove, the transverse plane of the L-shaped groove is used as the transverse plane of the reference plane, and the vertical plane of the L-shaped groove is used as the vertical plane of the reference plane.
Preferred embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, and 4, an embodiment of the present invention provides an integrated turning device for an outer arc surface of a five-claw joint, including a base 1, 24 lower and upper support seamless steel pipes 2, a disc 3, 16 upper support seamless steel pipes 4, a support circular plate 5, 32 lower press plates 6, 80 upper press plate connection base plates 7, lower press bolts 8, and upper press bolts 9. The base 1 is used as the bottom support of the whole device, the base 1 and the circular disc 3 are fixedly connected in a mode of lower supporting seamless steel tubes 2 at the upper and lower end fillet welds, and the circular disc 3 and the supporting circular plate 5 are fixedly connected in a mode of upper and lower supporting seamless steel tubes 4 at the upper and lower end fillet welds to form a basic frame structure of the device; and after the processing device is welded, performing integral finish machining, processing an L-shaped groove on the outer side of the upper surface of the disc 3, wherein the horizontal and vertical surfaces are used as product reference surfaces and are processed with threaded holes, and processing a five-claw groove on the supporting circular plate 5 to be used as a five-claw joint fixing position.
In the specific implementation process, the device firstly lifts and places a lathe disc, a turning center is aligned, the pressing base 1 is fixed on the lathe disc, after the five-claw joint is placed on the disc 3, the bottom surface of the joint is tightly attached to the horizontal reference surface of the disc 3, the inner arc surface of the joint is tightly attached to the vertical reference surface, meanwhile, the lower pressing plate 6 is tightly pressed on the inner surface of the five-claw joint in a bolt tightening mode, and the 5 upper pressing plates 7 are respectively tightly pressed on the five upper end surfaces of the five-claw joint in a bolt tightening mode, so that the position of the five-claw joint is fixed in the turning process, and the turning precision is ensured. Likewise, the remaining 15 five-jaw joints were assembled on the processing device in the manner described above.
The invention adopts an integrated structure, has simple structure and convenient operation, ensures quick and accurate clamping and positioning, ensures the consistency of the processing precision of products, can realize the clamping of 16 products, greatly improves the processing efficiency on the premise of ensuring the turning precision of the products, and effectively ensures the model scientific research and production quality and progress.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (5)

1. The integrated turning device for the outer arc surface of the five-claw joint is characterized by comprising a base (1), a lower supporting seamless steel tube (2), a disc (3), an upper supporting seamless steel tube (4), a supporting circular plate (5), a lower pressing plate (6) and an upper pressing plate connecting bottom plate (7);
the base (1) is used for bottom support, and the base (1) is connected with the disc (3) through the lower support seamless steel tube (2);
the disc (3) is used for arranging a reference surface, and the disc (3) is connected with a supporting circular plate (5) through an upper supporting seamless steel pipe (4);
the periphery of the supporting circular plate (5) is provided with a five-claw fixing structure, and the five-claw fixing structure is matched with the lower pressing plate (6) and the upper pressing plate connecting bottom plate (7) to tightly press a five-claw joint; the lower supporting seamless steel tube (2) is fixedly connected with the base (1) and the disc (3) by fillet welds respectively; the coaxiality of the outer end surface of the base (1) and the central axis of the outer end reference surface of the disc (3) is less than or equal to 0.2 mm;
the upper support seamless steel pipe (4) is fixedly connected with the circular disc (3) and the support circular plate (5) by fillet welding respectively;
and a five-claw groove is formed in the supporting circular plate (5) and used for fixing a five-claw joint.
2. The integrated turning device for the outer arc surface of the five-jaw joint according to claim 1, wherein the reference surface is used for fixing the positions of the bottom plane and the inner arc surface of the five-jaw joint.
3. The integrated turning device for the outer arc surface of the five-claw joint according to claim 1, wherein the lower pressing plate (6) and the upper pressing plate connecting bottom plate (7) respectively press the lower end surface and the upper end surface of the five-claw joint.
4. The five-claw joint external arc surface integrated turning device according to claim 1, wherein the lower pressure plate (6) is connected with the disc (3) through a lower pressing bolt (8);
the upper pressure plate connecting bottom plate (7) is connected with the supporting circular plate (5) through an upper compression bolt (9).
5. The integrated turning device for the outer arc surface of the five-jaw joint according to claim 1, wherein a groove is formed in the outer peripheral surface of the disc (3), the cross section of the groove is L-shaped and is marked as an L-shaped groove, the transverse plane of the L-shaped groove serves as the transverse plane of a reference plane, and the vertical plane of the L-shaped groove serves as the vertical plane of the reference plane.
CN201811458146.5A 2018-11-30 2018-11-30 Five-claw joint external arc surface integrated turning device Active CN109352362B (en)

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5680801A (en) * 1995-11-02 1997-10-28 General Electric Company Machining damper and method of using same
CN201579637U (en) * 2010-01-13 2010-09-15 西安鹏程机电设备有限公司 Clamp for turning cylindrical workpieces
CN205290478U (en) * 2015-12-22 2016-06-08 联合汽车电子有限公司 A frock for turning becket inside and outside wall
CN205309854U (en) * 2016-01-06 2016-06-15 天津航天长征火箭制造有限公司 Large -scale thin wall curved surface ring machining clamping device
US10330167B2 (en) * 2016-11-02 2019-06-25 United Technologies Corporation Damper for machining processes
CN107378552B (en) * 2017-08-18 2019-03-05 中国航发贵州黎阳航空动力有限公司 The thin-wall barrel class part by numerical control machine of no technique edges adds fixture

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