CN108000133B - Method for detecting assembling process of sealing ring - Google Patents
Method for detecting assembling process of sealing ring Download PDFInfo
- Publication number
- CN108000133B CN108000133B CN201711175996.XA CN201711175996A CN108000133B CN 108000133 B CN108000133 B CN 108000133B CN 201711175996 A CN201711175996 A CN 201711175996A CN 108000133 B CN108000133 B CN 108000133B
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- sealing ring
- assembling
- reaction force
- curve
- limit curve
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- 238000007789 sealing Methods 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims description 7
- 230000002411 adverse Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/08—Machines for placing washers, circlips, or the like on bolts or other members
- B23P19/084—Machines for placing washers, circlips, or the like on bolts or other members for placing resilient or flexible rings, e.g. O-rings, circlips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
- B23P19/102—Aligning parts to be fitted together using remote centre compliance devices
- B23P19/105—Aligning parts to be fitted together using remote centre compliance devices using sensing means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Automatic Assembly (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a detection method for a sealing ring assembly process, which comprises the following steps: 1) assembling a sealing ring by adopting a linear feeding device, taking a point where the sealing ring is in contact with an assembled part as an initial point, measuring and recording a reaction force applied to the sealing ring at a set linear feeding position, wherein the reaction force is a force parallel to the linear feeding direction; 2) drawing an assembly relation curve between the reaction force and the linear feeding position; 3) comparing the obtained assembly relation curve with the upper limit curve and the lower limit curve; if the assembly relation curves are located between the upper limit curve and the lower limit curve, the seal ring is assembled to be qualified; and if at least one point in the assembly relation curve is positioned outside the upper limit curve and the lower limit curve, the sealing ring is unqualified in assembly. The method for detecting the assembling process of the sealing ring is used for detecting the assembling process of the sealing ring so as to effectively control the assembling quality of the sealing ring.
Description
Technical Field
The invention belongs to the technical field of mechanical assembly, and particularly relates to a detection method for a sealing ring assembly process.
Background
In the prior art, there are various sealing ring assembling methods, such as an assembling method of an O-shaped sealing ring disclosed in chinese patent with publication number CN 105537923 a; chinese patent publication No. CN 103433722a discloses a method for assembling a seal ring. Although the assembling methods of the sealing ring can meet the assembling requirements of the sealing ring, the assembling process of the sealing ring cannot be detected.
Disclosure of Invention
The applicant learns that the curve relation between the assembling force and the assembling position of the sealing ring in the assembling process can effectively reflect the assembling quality of the sealing ring through a large number of creative tests.
In view of this, the present invention provides a method for detecting a sealing ring assembling process, which is used to detect the sealing ring assembling process so as to effectively control the sealing ring assembling quality.
In order to achieve the purpose, the invention provides the following technical scheme:
a detection method for a sealing ring assembling process comprises the following steps:
1) assembling a sealing ring by adopting a linear feeding device, taking a point where the sealing ring is in contact with an assembled part as an initial point, measuring and recording a reaction force applied to the sealing ring at a set linear feeding position, wherein the reaction force is a force parallel to the linear feeding direction;
2) drawing an assembly relation curve between the reaction force and the linear feeding position;
3) comparing the obtained assembly relation curve with the upper limit curve and the lower limit curve; if the assembly relation curves are located between the upper limit curve and the lower limit curve, the seal ring is assembled to be qualified; and if at least one point in the assembly relation curve is positioned outside the upper limit curve and the lower limit curve, the sealing ring is unqualified in assembly.
Further, the upper limit curve is a relation curve between the maximum reaction force allowed in the assembling process of the sealing ring and the linear feeding position.
Further, the lower limit curve is a relation curve between the minimum reaction force allowed in the assembling process of the sealing ring and the linear feeding position.
Further, the linear feeding device comprises a support, wherein one end of the support is provided with an assembling seat used for fixing the assembled part, the other end of the support is provided with an assembling cylinder used for assembling a sealing ring, the axis of the assembling cylinder is coaxial with the axis of a sealing ring assembling hole of the assembled part or a sealing ring assembling shaft, and a sealing ring jacket or a sealing ring jacket shaft used for clamping the sealing ring is arranged on a piston rod of the assembling cylinder.
The invention has the beneficial effects that:
according to the detection method for the assembling process of the sealing ring, the reaction force between the assembly hole of the sealing ring and the assembly shaft of the assembled part or the assembly shaft of the sealing ring can be detected by detecting the reaction force in the assembling process of the sealing ring, if the reaction force is too large, the assembly posture of the sealing ring has larger deviation or larger processing error, the assembling quality of the sealing ring can be adversely affected by the defects, and the set sealing effect can not be achieved; if the reaction force is too small, the sealing action force between the sealing ring and the sealing ring assembling hole or the sealing ring assembling shaft of the assembled part is too small, and the set sealing effect cannot be met; therefore, the detection method for the assembly process of the sealing ring can realize the evaluation and judgment of the assembly quality of the sealing ring by detecting the reaction force of the assembly process of the sealing ring so as to realize the effective control of the assembly quality of the sealing ring.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic structural diagram of a linear feeding device used in the method for detecting the assembling process of the sealing ring according to the present invention;
FIG. 2 is a graph of reaction force versus linear feed position obtained by the method for detecting the assembly process of a seal ring according to the present invention; specifically, a graph when the reaction force detection is normal;
FIG. 3 is a graph of reaction force versus linear feed position, specifically an excessive reaction force;
fig. 4 is a graph of reaction force versus linear feed position, specifically when the reaction force is excessive.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
The method for detecting the assembling process of the sealing ring comprises the following steps:
1) assembling a sealing ring by adopting a linear feeding device, taking a point where the sealing ring is in contact with an assembled part as an initial point, measuring and recording a reaction force applied to the sealing ring at a set linear feeding position, wherein the reaction force is a force parallel to the linear feeding direction;
2) drawing an assembly relation curve between the reaction force and the linear feeding position;
3) comparing the obtained assembly relation curve with the upper limit curve and the lower limit curve; if the assembly relation curves are located between the upper limit curve and the lower limit curve, the seal ring is assembled to be qualified; and if at least one point in the assembly relation curve is positioned outside the upper limit curve and the lower limit curve, the sealing ring is unqualified in assembly. And the upper limit curve is a relation curve between the maximum reaction force allowed in the assembling process of the sealing ring and the linear feeding position. The lower limit curve is a relation curve between the minimum reaction force allowed in the assembling process of the sealing ring and the linear feeding position.
Further, the linear feeding device comprises a support 1, one end of the support 1 is provided with an assembling seat 2 used for fixing an assembled part 4, the other end of the support 1 is provided with an assembling cylinder 3 used for assembling a sealing ring, the axis of the assembling cylinder 3 is coaxial with the axis of a sealing ring assembling hole or a sealing ring assembling shaft of the assembled part 4, and a sealing ring jacket or a sealing ring jacket shaft 5 used for clamping the sealing ring is installed on a piston rod of the assembling cylinder 3. Be equipped with sealing washer pilot hole 6 on the assembly part 4 of this embodiment, the installation is equipped with the sealing washer sleeve 5 that is used for cliping the sealing washer on the piston rod of assembly cylinder 3, be equipped with force sensor on the sealing washer sleeve 5.
According to the detection method for the assembling process of the sealing ring, the reaction force between the assembly process of the sealing ring and the assembling hole of the assembled part or the assembling shaft of the sealing ring can be detected by detecting the reaction force in the assembling process of the sealing ring, if the reaction force is too large, the situation that the assembling posture of the sealing ring has larger deviation or larger processing error is shown, the assembling quality of the sealing ring is adversely affected by the defects, and the set sealing effect cannot be achieved; if the reaction force is too small, the sealing action force between the sealing ring and the sealing ring assembling hole or the sealing ring assembling shaft of the assembled part is too small, and the set sealing effect cannot be met; therefore, the detection method for the assembly process of the sealing ring can realize the evaluation and judgment of the assembly quality of the sealing ring by detecting the reaction force of the assembly process of the sealing ring so as to realize the effective control of the assembly quality of the sealing ring.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (4)
1. A detection method for a sealing ring assembling process is characterized by comprising the following steps: the method comprises the following steps:
1) assembling a sealing ring by adopting a linear feeding device, taking a point where the sealing ring is in contact with an assembled part as an initial point, measuring and recording a reaction force applied to the sealing ring at a set linear feeding position, wherein the reaction force is a force parallel to the linear feeding direction;
2) drawing an assembly relation curve between the reaction force and the linear feeding position;
3) comparing the obtained assembly relation curve with the upper limit curve and the lower limit curve; if the assembly relation curves are located between the upper limit curve and the lower limit curve, the seal ring is assembled to be qualified; if at least one point in the assembly relation curve is positioned outside the upper limit curve and the lower limit curve, the seal ring is unqualified in assembly; if the reaction force is too large, the assembly posture of the sealing ring has larger deviation or larger processing error, and the existence of the defects can cause adverse effect on the assembly quality of the sealing ring and cannot achieve the set sealing effect; if the reaction force is too small, the sealing action force between the sealing ring and the sealing ring assembling hole or the sealing ring assembling shaft of the assembled part is too small, and the set sealing effect cannot be met.
2. The seal ring assembling process detecting method according to claim 1, characterized in that: the upper limit curve is a relation curve between the maximum reaction force allowed in the assembling process of the sealing ring and the linear feeding position.
3. The seal ring assembling process detecting method according to claim 1, characterized in that: the lower limit curve is a relation curve between the minimum reaction force allowed in the assembling process of the sealing ring and the linear feeding position.
4. The seal ring assembling process detecting method as claimed in any one of claims 1 to 3, wherein: the linear feeding device comprises a support, wherein one end of the support is provided with an assembling seat used for fixing an assembled part, the other end of the support is provided with an assembling cylinder used for assembling a sealing ring, the axis of the assembling cylinder is coaxial with the axis of a sealing ring assembling hole or a sealing ring assembling shaft of the assembled part, and a sealing ring jacket or a sealing ring jacket shaft used for clamping the sealing ring is arranged on a piston rod of the assembling cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711175996.XA CN108000133B (en) | 2017-11-22 | 2017-11-22 | Method for detecting assembling process of sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711175996.XA CN108000133B (en) | 2017-11-22 | 2017-11-22 | Method for detecting assembling process of sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108000133A CN108000133A (en) | 2018-05-08 |
| CN108000133B true CN108000133B (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711175996.XA Active CN108000133B (en) | 2017-11-22 | 2017-11-22 | Method for detecting assembling process of sealing ring |
Country Status (1)
| Country | Link |
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| CN (1) | CN108000133B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6722011B1 (en) * | 2003-05-09 | 2004-04-20 | Bradley Bacon | Apparatus and method for installing a c-clip |
| CN100534704C (en) * | 2007-12-10 | 2009-09-02 | 广州市嘉特斯机电制造有限公司 | Bearing press-in device and method of use thereof |
| CN103115708A (en) * | 2012-12-30 | 2013-05-22 | 青岛开世密封工业有限公司 | Test method for framework seal ring press-in force and pull-out force |
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2017
- 2017-11-22 CN CN201711175996.XA patent/CN108000133B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108000133A (en) | 2018-05-08 |
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Inspection method for sealing ring assembly process Granted publication date: 20200407 Pledgee: Bank of China Chongqing Yubei Branch Pledgor: CHONGQING FORYS AUTOMATION EQUIPMENT CO.,LTD. Registration number: Y2024500000073 |
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