CN215240207U - Special grinding clamp for machining sealing ring - Google Patents

Special grinding clamp for machining sealing ring Download PDF

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Publication number
CN215240207U
CN215240207U CN202121829951.1U CN202121829951U CN215240207U CN 215240207 U CN215240207 U CN 215240207U CN 202121829951 U CN202121829951 U CN 202121829951U CN 215240207 U CN215240207 U CN 215240207U
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CN
China
Prior art keywords
sealing ring
ring step
clamp
special grinding
eccentric pins
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CN202121829951.1U
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Chinese (zh)
Inventor
叶云青
岳云淼
刘永杰
依忠
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Harbin Turbine Co Ltd
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Harbin Turbine Co Ltd
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Priority to CN202121829951.1U priority Critical patent/CN215240207U/en
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Abstract

A special grinding clamp for processing a sealing ring. The utility model relates to a special fixture, the utility model discloses an overcome the sealing ring when flat grinder grinding two planes, need use the magnetic force sucking disc on the flat grinder, the sealing ring material does not have the magnetic conductivity for high temperature alloy, has the problem of unable absorption on the magnetic force sucking disc. The utility model is used for a special grinding fixture for processing sealing rings; first sealing ring step, second sealing ring step and third sealing ring step are for following interior to outer coaxial processing and the three be integrative, a plurality of eccentric pins respectively through the fixed upper surface that sets up at first sealing ring step of pinhole, the sealing ring sets up the upper surface at the second sealing ring step, the external diameter of sealing ring offsets with the internal diameter of third sealing ring step, the internal diameter of sealing ring offsets with the excircle that a plurality of eccentric pins formed, the perpendicular distance of the upper surface of third sealing ring step to second sealing ring step upper surface is less than the thickness of sealing ring. For clamping the sealing ring.

Description

Special grinding clamp for machining sealing ring
Technical Field
The utility model relates to a special fixture field, in particular to processing sealing ring grinding special fixture.
Background
The sealing ring is made of high-temperature alloy, and two end faces of the sealing ring are required to be parallel to each other within 0.02 mm. The sealing ring is thin and easy to deform. When the sealing ring grinds two planes by the surface grinding machine, a magnetic sucker on the surface grinding machine is needed to be used for sucking a workpiece on the magnetic sucker, and then the surface grinding is carried out, so that the processing precision is ensured. The sealing ring is made of high-temperature alloy, does not have magnetic conductivity and cannot be adsorbed on the magnetic sucker.
In summary, when the surface grinding machine grinds two surfaces, the magnetic chuck on the surface grinding machine is needed to be used, and the sealing ring is made of high-temperature alloy and does not have magnetic permeability, so that the sealing ring cannot be adsorbed on the magnetic chuck.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the sealing ring when two planes of flat grinder grinding, need use the magnetic force sucking disc on the flat grinder, the sealing ring material does not have the magnetic conductivity for superalloy, has the problem that can't adsorb on magnetic force sucking disc, and then provides a processing sealing ring grinding special fixture.
The technical scheme of the utility model is that:
a special grinding clamp for processing a sealing ring comprises a sealing ring clamp and a plurality of eccentric pins;
a through hole is processed in the middle of the sealing ring clamp, and a plurality of eccentric pins are uniformly and fixedly arranged on the upper surface of the sealing ring clamp along the circumferential direction;
the sealing ring clamp is in a step shape;
the sealing ring clamp comprises a first sealing ring step, a second sealing ring step and a third sealing ring step;
first sealing ring step, second sealing ring step and third sealing ring step are from interior to outer coaxial processing and the three is integrative, first sealing ring step, the thickness of second sealing ring step and third sealing ring step increases progressively in proper order, the middle part processing of first sealing ring step has the through-hole, the upper surface of first sealing ring step has a plurality of pinholes along circumferencial direction evenly distributed along outer edge tip processing, a plurality of eccentric pins are respectively through the fixed upper surface that sets up at first sealing ring step of pinhole, the sealing ring sets up the upper surface at the second sealing ring step, the external diameter of sealing ring offsets with the internal diameter of third sealing ring step, the internal diameter of sealing ring offsets with the excircle that a plurality of eccentric pins formed, the vertical distance of the upper surface of third sealing ring step to second sealing ring step upper surface is less than the thickness of sealing ring.
Compared with the prior art, the utility model has the following effect:
the utility model discloses a processing sealing ring grinding special fixture is through setting up the sealing ring on sealing ring grinding special fixture, and the sealing ring is located the second step between the excircle that third step and a plurality of eccentric pins formed, and sealing ring grinding special fixture places and inhales tightly on flat grinder's magnetic force sucking disc, regrinds processing sealing ring, the utility model provides a sealing ring when two planes of flat grinder grinding, need use the magnetic force sucking disc on the flat grinder, the sealing ring material does not have the magnetic conductivity for high temperature alloy, has the problem that can't adsorb on magnetic force sucking disc.
Drawings
FIG. 1 is an assembly view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic view of the present invention;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
fig. 5 is a schematic view of the sealing ring of the present invention;
FIG. 6 is a front view of the eccentric pin of the present invention;
fig. 7 is a plan view of the eccentric pin of the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 7, and the special grinding clamp for processing the sealing ring of the embodiment comprises a sealing ring clamp 1 and a plurality of eccentric pins 2;
a through hole is processed in the middle of the sealing ring clamp 1, and a plurality of eccentric pins 2 are uniformly and fixedly arranged on the upper surface of the sealing ring clamp 1 along the circumferential direction;
the sealing ring clamp 1 is in a step shape;
the sealing ring clamp 1 comprises a first sealing ring step 1-1, a second sealing ring step 1-2 and a third sealing ring step 1-3;
the first sealing ring step 1-1, the second sealing ring step 1-2 and the third sealing ring step 1-3 are coaxially processed from inside to outside and are an integral part, the thicknesses of the first sealing ring step 1-1, the second sealing ring step 1-2 and the third sealing ring step 1-3 are sequentially increased, a through hole is processed in the middle of the first sealing ring step 1-1, a plurality of pin holes 1-4 which are uniformly distributed along the circumferential direction are processed on the upper surface of the first sealing ring step 1-1 along the outer edge end part, a plurality of eccentric pins 2 are fixedly arranged on the upper surface of the first sealing ring step 1-1 through the pin holes 1-4 respectively, the sealing ring 3 is arranged on the upper surface of the second sealing ring step 1-2, the outer diameter of the sealing ring 3 is abutted against the inner diameter of the third sealing ring step 1-3, the inner diameter of the sealing ring 3 is abutted against the outer circle formed by the plurality of eccentric pins 2, the vertical distance from the upper surface of the third seal ring step 1-3 to the upper surface of the second seal ring step 1-2 is less than the thickness of the seal ring 3.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1 to 3, and the number of the eccentric pins 2 and the pin holes 1 to 4 in the present embodiment is the same. This is provided in order to fix the sealing ring 3. The rest is the same as the first embodiment.
The third concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 3, and the number of the eccentric pins 2 of the present embodiment is 10 to 16. This is provided in order to fix the sealing ring 3. The others are the same as in the first or second embodiment.
The fourth concrete implementation mode: referring to fig. 3, the embodiment is described, in which a plurality of wide grooves 1-5 are formed in an upper surface of a third seal ring step 1-3 along an outer side wall in a radial direction, the plurality of wide grooves 1-5 extend to an upper surface of a first seal ring step 1-1 through an upper surface of a second seal ring step 1-2 along the outer side wall of the third seal ring step 1-3, and the plurality of wide grooves 1-5 are uniformly arranged in a circumferential direction. The arrangement is convenient for taking out the sealing ring 3 from the special clamp for grinding the sealing ring after the grinding of the sealing ring 3 is finished. The others are the same as the first, second or third embodiments.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 3, and the number of wide grooves 1 to 5 in the present embodiment is 3 to 6. The arrangement is convenient for taking out the sealing ring 3 from the special clamp for grinding the sealing ring after the grinding of the sealing ring 3 is finished. The others are the same as the first, second, third or fourth embodiments.
The sixth specific implementation mode: referring to fig. 6, the present embodiment will be described, in which rectangular grooves 2-1 are formed in the upper surfaces of a plurality of eccentric pins 2. The arrangement is convenient for the eccentric pin 2 to be installed and detached. The other embodiments are the same as the first, second, third, fourth or fifth embodiments.
The seventh embodiment: the present embodiment will be described with reference to FIG. 6, in which the rectangular groove 2-1 of the present embodiment has a width of 2mm to 4 mm. The arrangement is convenient for the eccentric pin 2 to be installed and detached. The other embodiments are the same as the first, second, third, fourth, fifth or sixth embodiments.
The specific implementation mode is eight: referring to fig. 1, the vertical distance from the upper surface of the third seal ring step 1-3 to the upper surface of the second seal ring step 1-2 in the present embodiment is 10mm to 12mm, and the thickness of the seal ring 3 is 13mm to 15 mm. This arrangement is to facilitate grinding of the seal ring 3. The other embodiments are the same as the first, second, third, fourth, fifth, sixth or seventh embodiments.
The working principle is as follows:
firstly, a plurality of eccentric pins 2 are respectively and fixedly arranged in pin holes 1-4 on a first sealing ring step 1-1 through a flat screwdriver, then a sealing ring 3 is placed on the upper surface of a second step 1-2, the sealing ring 3 is positioned between a third sealing ring step 1-3 and the eccentric pins 2, the outer diameter of the sealing ring 3 is in contact with the inner diameter of the third sealing ring step 1-3, the inner diameter of the sealing ring 3 is in contact with the outer circle formed by the eccentric pins 2, after the sealing ring 3 is fixed, a sealing ring clamp 1 is placed on a magnetic sucker of a surface grinding machine to be tightly sucked, and the surface grinding machine processes the sealing ring.
The present invention has been disclosed in the above embodiments, but the present invention is not limited thereto, and any person skilled in the art will not depart from the technical solution of the present invention, and any simple modification, equivalent change and modification made by the technical essence of the present invention to the above embodiments still belong to the technical solution scope of the present invention.

Claims (8)

1. A special grinding clamp for processing a sealing ring comprises a sealing ring clamp (1) and a plurality of eccentric pins (2);
a through hole is processed in the middle of the sealing ring clamp (1), and a plurality of eccentric pins (2) are uniformly and fixedly arranged on the upper surface of the sealing ring clamp (1) along the circumferential direction;
the method is characterized in that: the sealing ring clamp (1) is in a step shape;
the sealing ring clamp (1) comprises a first sealing ring step (1-1), a second sealing ring step (1-2) and a third sealing ring step (1-3);
the first sealing ring step (1-1), the second sealing ring step (1-2) and the third sealing ring step (1-3) are coaxially processed from inside to outside and are integrated, the thicknesses of the first sealing ring step (1-1), the second sealing ring step (1-2) and the third sealing ring step (1-3) are sequentially increased, a through hole is processed in the middle of the first sealing ring step (1-1), a plurality of pin holes (1-4) which are uniformly distributed along the circumferential direction are processed on the upper surface of the first sealing ring step (1-1) along the outer edge end part of the first sealing ring step (1-1), a plurality of eccentric pins (2) are fixedly arranged on the upper surface of the first sealing ring step (1-1) through the pin holes (1-4), and the sealing ring (3) is arranged on the upper surface of the second sealing ring step (1-2), the outer diameter of the sealing ring (3) is abutted against the inner diameter of the third sealing ring step (1-3), the inner diameter of the sealing ring (3) is abutted against the outer circle formed by the eccentric pins (2), and the vertical distance from the upper surface of the third sealing ring step (1-3) to the upper surface of the second sealing ring step (1-2) is smaller than the thickness of the sealing ring (3).
2. The special grinding clamp for processing the sealing ring according to claim 1, wherein: the number of the eccentric pins (2) is the same as that of the pin holes (1-4).
3. The special grinding clamp for processing the sealing ring according to claim 1 or 2, wherein: the number of the eccentric pins (2) is 10-16.
4. The special grinding clamp for processing the sealing ring according to claim 1, wherein: a plurality of wide grooves (1-5) are radially processed on the upper surface of the third sealing ring step (1-3) along the outer side wall, the wide grooves (1-5) respectively penetrate through the upper surface of the second sealing ring step (1-2) along the outer side wall of the third sealing ring step (1-3) and extend to the upper surface of the first sealing ring step (1-1), and the wide grooves (1-5) are uniformly arranged along the circumferential direction.
5. The special grinding clamp for machining the sealing ring according to claim 4, wherein the special grinding clamp comprises: the number of the wide grooves (1-5) is 3-6.
6. The special grinding clamp for processing the sealing ring according to claim 1 or 5, wherein: rectangular grooves (2-1) are processed on the upper surfaces of the eccentric pins (2).
7. The special grinding clamp for machining the sealing ring according to claim 6, wherein: the width of the rectangular groove (2-1) is 2mm-4 mm.
8. The special grinding clamp for machining the sealing ring according to claim 4, wherein the special grinding clamp comprises: the vertical distance from the upper surface of the third sealing ring step (1-3) to the upper surface of the second sealing ring step (1-2) is 10mm-12mm, and the thickness of the sealing ring (3) is 13mm-15 mm.
CN202121829951.1U 2021-08-06 2021-08-06 Special grinding clamp for machining sealing ring Active CN215240207U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121829951.1U CN215240207U (en) 2021-08-06 2021-08-06 Special grinding clamp for machining sealing ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121829951.1U CN215240207U (en) 2021-08-06 2021-08-06 Special grinding clamp for machining sealing ring

Publications (1)

Publication Number Publication Date
CN215240207U true CN215240207U (en) 2021-12-21

Family

ID=79497073

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121829951.1U Active CN215240207U (en) 2021-08-06 2021-08-06 Special grinding clamp for machining sealing ring

Country Status (1)

Country Link
CN (1) CN215240207U (en)

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