CN217619707U - Sealed arc piece precision finishing device - Google Patents

Sealed arc piece precision finishing device Download PDF

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Publication number
CN217619707U
CN217619707U CN202221994915.5U CN202221994915U CN217619707U CN 217619707 U CN217619707 U CN 217619707U CN 202221994915 U CN202221994915 U CN 202221994915U CN 217619707 U CN217619707 U CN 217619707U
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China
Prior art keywords
fastening
monomer
rings
ring
locating piece
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CN202221994915.5U
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Chinese (zh)
Inventor
马成平
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Tianjin Huaqing Aerospace Technology Co ltd
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Tianjin Huaqing Aerospace Technology Co ltd
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Priority to CN202221994915.5U priority Critical patent/CN217619707U/en
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Abstract

The utility model provides a sealed arc piece precision finishing device belongs to the machining field. Including the tighrening ring, the supporting ring is located the tighrening ring, and relative tighrening ring radial movement, the supporting ring is provided with a plurality ofly, and wait the angle setting, the tighrening ring includes a plurality of independent monomer tighrening rings, the monomer tighrening ring is the arc setting, both ends are provided with fastening ear, fastening ear is along the radial extension of monomer tighrening ring, be provided with fastening screw hole on the fastening ear, the laminating of a plurality of monomer tighrening ring endings, form closed loop configuration, the monomer tighrening ring corresponds through fastening ear, connect through fastening screw between the fastening ear, monomer tighrening ring tip is provided with first locating piece, the second locating piece is provided with the laminating inclined plane, first locating piece is located the second locating piece inboard, adopt a plurality of monomer tighrening rings to carry out independent connection setting, convenient to detach changes.

Description

Sealed arc piece precision finishing device
Technical Field
The utility model provides a sealed arc piece precision finishing device belongs to the machining field.
Background
At present, sealed arc piece is the very important precision part in the plug valve, and its quality directly influences the valve body performance, and when closing the valve back, the reason that appears the seepage in the runner is mainly because there is the scotch or has the pit in the surface of sealed arc piece, and above-mentioned scotch, the pit is formed by the course of working, because sealed arc piece forms holistic annular seal structure for a plurality of circular arc structure combinations, the size precision that needs the combination to form, processing, the form and position tolerance of sealed arc piece is out of tolerance: the machining is carried out by adopting a general machining method, the inner diameter and the outer diameter are large, the wall thickness value is out of tolerance, and the roughness is out of tolerance: due to irregular shapes, the general processing method cannot meet the requirements, the roughness value can only reach 0.8-1.6, the main reason is that the integral processing cannot be formed in the processing process, the single arc sheet is independently processed, the error after combination is increased, and the integral precision is influenced.
Notice No. CN106392829B discloses a sealed arc piece precision finishing device, including be used for realizing carrying out the device one of precision abrasive machining to the interior arc surface of sealed arc piece, be used for realizing carrying out the device two of precision grinding processing to the interior arc surface of sealed arc piece, grinding rod plant sand device, can not carry out holistic processing to the arc piece in the above-mentioned structure.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a sealed arc piece precision finishing device, the one that provides forms annular structure through a plurality of independent arc structure interconnect, carries out the device of arc piece centre gripping amalgamation. Simple structure and convenient use.
The utility model relates to a sealed arc piece precision finishing device is realized like this, the utility model relates to a sealed arc piece precision finishing device: the support ring is positioned on the fastening ring and moves radially relative to the fastening ring, a plurality of support rings are arranged and arranged at equal angles, each fastening ring comprises a plurality of independent single fastening rings, the single fastening rings are arranged in an arc shape, fastening lugs are arranged at two ends of each fastening ring and extend radially along the corresponding single fastening ring, fastening threaded holes are formed in the fastening lugs, the single fastening rings are abutted by the ends of the fastening lugs to form a closed annular structure, the single fastening rings correspond to the fastening lugs through the fastening lugs, the fastening lugs are connected through fastening screws, a first positioning block and a second positioning block are arranged at the end parts of the single fastening rings, the first positioning block and the second positioning block are provided with attachment inclined planes, the first positioning block is positioned on the inner side of the second positioning block and abutted by the inclined planes, support gaskets are arranged between the fastening lugs, the inner walls of the single fastening rings are combined to form a circular shape, the support ring is of a rotary structure extending along the single fastening rings, the rotary surface of the support ring is L-shaped and is correspondingly attached to the side wall of the single fastening rings, one side of the support ring extends radially along the single fastening rings, screw sleeves are arranged on the other side of the support rings, and two support arms are arranged on the support rings;
the single fastening ring is provided with three groups, a first positioning block is arranged at each of two ends of one group, a second positioning block is arranged at each of two ends of the other group, one end of one group is the first positioning block, and the other end of the other group is the second positioning block;
the supporting gasket is formed by bending a metal plate, the outer side wall corresponds to the binding surface of the fastening lug, and the end part extends and is bent to be bound with the side wall of the fastening lug;
the supporting pad is provided with a through hole smaller than the fastening threaded hole;
the first positioning block and the second positioning block are detachably arranged on the single fastening ring;
the number of the single fastening rings is four, and the arc lengths of the single fastening rings are different;
the single fastening ring and the bearing ring slide radially through a pneumatic structure.
Has the advantages that:
1. the clamping fastening in multiple directions can be formed;
2. a plurality of single fastening rings are independently connected, so that the single fastening rings are convenient to disassemble and replace;
3. simple structure and convenient use.
Drawings
Fig. 1 is a schematic structural view of the sealing arc piece precision machining device of the present invention.
Fig. 2 is a schematic structural view of a supporting ring of the precision machining device for the sealing arc piece of the present invention.
Fig. 3 is a structural schematic of a fastening lug of the sealing arc piece precision machining device of the present invention.
In the drawings:
1. a monomer fastening ring; 2. fastening ears; 3. fastening screws; 4. adjusting the stud; 5. a bearing ring; 6. a limiting table; 7. a first positioning block; 8. a second positioning block; 9. and supporting the gasket.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
According to the illustrations of FIGS. 1-3: the utility model relates to a sealed arc piece precision finishing device realizes like this, the utility model relates to a sealed arc piece precision finishing device: the clamping device comprises a fastening ring and a supporting ring 5, wherein the supporting ring 5 is positioned on the fastening ring and moves radially relative to the fastening ring, a plurality of supporting rings 5 are arranged at equal angles, the fastening ring comprises a plurality of independent monomer fastening rings 1, the monomer fastening rings 1 are arranged in an arc shape, fastening lugs 2 are arranged at two ends of each supporting ring, the fastening lugs 2 extend radially along the monomer fastening rings 1, fastening threaded holes are formed in the fastening lugs 2, the monomer fastening rings 1 are attached in a closing manner to form a closed annular structure, the monomer fastening rings 1 correspond to the fastening lugs 2 through the fastening lugs 2, the fastening lugs 2 are connected through fastening screws 3, a first positioning block 7 and a second positioning block 8 are arranged at the end parts of the monomer fastening rings 1, the first positioning block 7 and the second positioning block 8 are provided with attaching inclined planes, the first positioning block 7 is positioned on the inner side of the second positioning block 8 and abutted through the inclined planes, and a supporting gasket 9 is arranged between the fastening lugs 2, the inner walls of the monomer fastening rings 1 are combined to form a circle, the bearing ring 5 is a rotary structure extending along the monomer fastening ring 1, the rotary surface of the bearing ring 5 is L-shaped and is correspondingly attached and arranged on the side wall of the monomer fastening ring 1, one side of the bearing ring 5 extends along the radial direction of the monomer fastening ring 1, the other side of the bearing ring 5 is provided with a screw sleeve, an adjusting screw is arranged between the bearing ring 5 and the monomer fastening ring 1, two supporting arms extend out from one side of the bearing ring 5, a limiting table 6 is arranged on the supporting arms, a sealing arc sheet is correspondingly arranged on the inner side of the monomer fastening ring 1, axial positioning is carried out through the limiting table 6 on the bearing plate, a plurality of monomer fastening rings 1 are fastened, so that the corresponding first positioning blocks 7 and second positioning blocks 8 are attached and limited to form supporting fastening, radial telescopic adjustment is carried out on the bearing ring 5 through rotation of the adjusting screw bolts 4, carry out inside pushing away to sealed arc piece and support, form the amalgamation of a plurality of sealed arc pieces, carry out holistic processing after the amalgamation, first locating piece 7, second locating piece 8 carry out spacing support, fasten the enhancement to the support of monomer tighrening ring 1, monomer tighrening ring 1 is provided with three groups, and a set of both ends all are provided with first locating piece 7, and a set of both ends all are provided with second locating piece 8, and a set of one end is first locating piece 7, the other end is second locating piece 8, support gasket 9 is the metal sheet formation of bending, and the lateral wall corresponds with fastening ear 2 laminating face, and the tip extends and bends and the laminating of fastening ear 2 lateral walls, be provided with the through hole that is less than the fastening screw hole on the support gasket 9, first locating piece 7, second locating piece 8 can be dismantled and arrange in monomer tighrening ring 1 in, 1 quantity of monomer tighrening ring is four, and the arc length of monomer tighrening ring 1 is different, through pneumatic structure radial sliding between monomer tighrening ring 1 and the support ring 5, reach the mesh of carrying out sealed arc piece location centre gripping.
The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (7)

1. The utility model provides a sealed arc piece precision finishing device which characterized in that: the bearing ring comprises fastening rings, bearing rings (5), the bearing rings (5) are positioned on the fastening rings and move radially relative to the fastening rings, the bearing rings (5) are arranged in a plurality of equal-angle arrangement, each fastening ring comprises a plurality of independent monomer fastening rings (1), the monomer fastening rings (1) are arranged in an arc shape, two ends of each fastening ring are provided with fastening lugs (2), the fastening lugs (2) extend radially along the monomer fastening rings (1), fastening threaded holes are formed in the fastening lugs (2), the monomer fastening rings (1) are jointed in a closed annular structure in a tail closing manner, the monomer fastening rings (1) correspond to the fastening lugs (2), the fastening lugs (2 are connected with each other through fastening screws (3), first positioning blocks (7) are arranged at the end parts of the monomer fastening rings (1), second positioning blocks (8) are provided with joint inclined planes, the first positioning blocks (7) are positioned at the inner sides of the second positioning blocks (8) and abut against the inclined planes, supporting gaskets (9) are arranged between the fastening lugs (2), the inner walls of the monomer fastening rings (1) and the inner walls of the monomer fastening rings (1) extend radially along the bearing rings (5), one side walls of the corresponding to the bearing rings (1), the rotary ring (5), the other side of the bearing ring (5) is provided with a threaded sleeve, an adjusting screw is arranged between the bearing ring (5) and the single fastening ring (1), two supporting arms extend out of one side of the bearing ring (5), and a limiting table (6) is arranged on each supporting arm.
2. The precision machining device for the sealing arc sheet according to claim 1, wherein: monomer tighrening ring (1) is provided with three groups, and a set of both ends all are provided with first locating piece (7), and a set of both ends all are provided with second locating piece (8), and a set of one end is first locating piece (7), and the other end is second locating piece (8).
3. The precision machining device for the sealing arc sheet according to claim 1, wherein: the supporting gasket (9) is formed by bending a metal plate, the outer side wall corresponds to the binding surface of the fastening lug (2), and the end part extends, bends and is stuck to the side wall of the fastening lug (2).
4. The precision machining device for the sealing arc sheet according to claim 1, wherein: the first positioning block (7) and the second positioning block (8) are detachably arranged on the single fastening ring (1).
5. The precision machining device for the sealing arc sheet according to claim 1, wherein: and a through hole smaller than the fastening threaded hole is formed in the supporting gasket (9).
6. The precision machining device for the sealing arc sheet according to claim 1, wherein: the number of the single fastening rings (1) is four, and the arc lengths of the single fastening rings (1) are different.
7. The precision machining device for the sealing arc sheet according to claim 1, wherein: the single fastening ring (1) and the bearing ring (5) slide radially through a pneumatic structure.
CN202221994915.5U 2022-07-21 2022-07-21 Sealed arc piece precision finishing device Active CN217619707U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221994915.5U CN217619707U (en) 2022-07-21 2022-07-21 Sealed arc piece precision finishing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221994915.5U CN217619707U (en) 2022-07-21 2022-07-21 Sealed arc piece precision finishing device

Publications (1)

Publication Number Publication Date
CN217619707U true CN217619707U (en) 2022-10-21

Family

ID=83637549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221994915.5U Active CN217619707U (en) 2022-07-21 2022-07-21 Sealed arc piece precision finishing device

Country Status (1)

Country Link
CN (1) CN217619707U (en)

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