CN110370039A - A kind of fixture and method for processing outer diameter light transmission piston ring - Google Patents
A kind of fixture and method for processing outer diameter light transmission piston ring Download PDFInfo
- Publication number
- CN110370039A CN110370039A CN201910622683.7A CN201910622683A CN110370039A CN 110370039 A CN110370039 A CN 110370039A CN 201910622683 A CN201910622683 A CN 201910622683A CN 110370039 A CN110370039 A CN 110370039A
- Authority
- CN
- China
- Prior art keywords
- outer diameter
- piston ring
- section
- sleeve
- light transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention belongs to tooling and fixture technical field, are related to a kind of fixture and method for processing outer diameter light transmission piston ring；Fixture includes: mandrel, sleeve, gland, nut；Mandrel integrally divides six sections: second segment largest outside diameter, first segment and second segment are in ladder shaft-like, and second segment is to the 6th section in ladder shaft-like；The internal diameter clearance fit of the third section outer diameter and sleeve；6th section has external screw thread compatible with the internal screw thread of nut；Gland is cyclic structure, and internal diameter and the 5th section of crest clearance cooperate, the internal diameter clearance fit of outer diameter and sleeve；" mill outer diameter " process and the tandem of " school mouthful " process are adjusted by processing method, first carry out " school mouthful " process, then are carried out " mill outer diameter " process and omitted " outer diameter of boring and grinding " process；The fixture and processing method of guarantee elastic obturating piston ring outer diameter light transmission qualification of the invention, can be realized piston ring, the processing is simple, efficient, external diameter surface brightness is consistent, batch production.
Description
Technical field
The invention belongs to tooling and fixture technical field, and in particular to a kind of fixture and method for processing outer diameter light transmission piston ring.
Background technique
Piston ring is a kind of sealing element, and a kind of nicked elastic ring, piston ring structure is simple, but processing technology is extremely complex.
Piston ring belongs to thin-walled easily deformed part, and when roughing can be formed and be cut off by clamping bar turning.But in finishing, often
The clamping means of rule are all not applicable, and in order to meet processing efficiency need it is primary carry out more than one piece part while processing, making
Very big challenge is formed in terms of making fixture.Especially in terms of guaranteeing light transmission, by taking vertical opening piston ring as an example, technical conditions requirement
Under the premise of stringent, it is very tight that this examines the outer diameter of project demand piston ring and the internal diameter of ring gauge to be bonded on 360 ° of circumference
It is close, but in actual processing there is deformation in parts fixation.
Part piston ring problem on deformation is solved by boring and grinding external diameter at present, but outer diameter of boring and grinding has the following problems:
1) the piston ring material is Rare-Earth-Treated Ductile Iron, and hardness is high, and wearability is high, and a collection of 20 parts of boring and grinding just need 2 small
When, it wastes time.
2) material has high rigidity and higher calorific intensity, and stream time is long when cutting, is easy to appear tooling mill
The problems such as serious is damaged, tooling need to be often replaced.
3) outer diameter brightness is inconsistent after boring and grinding, and does not meet lean production appearance requirement, causes the problems such as rejecting, scrapping, sternly
Recasting about Workshop Production.
Processing piston ring technological core problem be how clamping guarantee mill outer diameter process in it is indeformable, meet after processing
Design drawing light transmission requirement, apparent brightness unanimously require, and can be realized piston ring the processing is simple, efficiently, external diameter surface brightness
Unanimously, it produces in batches.
Summary of the invention
The purpose of the present invention is: a kind of fixture and method for processing outer diameter light transmission piston ring is designed, is existed with solving current fixture
Deformation in process due to part leads to the underproof technical problem of product.
To solve this technical problem, the technical scheme is that
A kind of fixture for processing outer diameter light transmission piston ring, the fixture of the processing outer diameter light transmission piston ring include: mandrel 1, set
Cylinder 2, gland 3, nut 4；The sleeve 2 is hollow cylinder structure；
1 both ends of mandrel have center hole, six sections of entirety point: first segment 11, second segment 12, third section the 13, the 4th
14, the 5th sections 15, the 6th sections 16 of section, 12 largest outside diameter of second segment, first segment 11 and second segment 12 are in ladder shaft-like, second segment 12
It is in ladder shaft-like to the 6th section 16；The internal diameter clearance fit of 13 outer diameter of third section and sleeve 2；6th section of 16 tool
There is external screw thread compatible with the internal screw thread of nut 4；
The gland 3 is cyclic structure；The wall thickness of its wall ratio piston ring is smaller；Its internal diameter and the 5th section of 15 crest clearances
Cooperation, the internal diameter clearance fit of outer diameter and sleeve 2.
The nut 4 and 3 compression fit of gland, for compressing gland 3.
" mill outer diameter " process and the tandem of " school mouthful " process are adjusted by the processing method, first carry out " school
Mouthful " process, then the processing method for carrying out " mill outer diameter " process and omitting " outer diameter of boring and grinding " process.
Specific step is as follows for process in " school mouthful ":
Step 1: self-control school mouthful sample circle, sample circle require internal diameter consistent with mill outer diameter tooling sleeve internal diameter；
Step 2: piston ring is compressed with vice, with flat file, removal fore shaft redundance reaches criterion of acceptability by hand.
The criterion of acceptability are as follows: piston ring can be packed into sample circle, and it is consistent with drawing requirement to be packed into after-opening gap.
Specific step is as follows for process for " the mill outer diameter ":
Step 1: piston ring is sequentially loaded into sleeve 2, sleeve 2 is packed into mandrel 1, sleeve left side and mandrel second
Section 12 is close to；
Step 2: gland 3 is packed into the 5th section 15 of mandrel, piston ring right side is compressed with gland 3, nut 4 is packed into mandrel
6th section 16, screw-threaded coupling；
Step 3: sleeve 2 is extruded mandrel 1 with lever press, with 1 both ends center hole of mandrel and cylindrical grinder center hole
After cooperating clamping, piston ring cylindricalo grinding operation is carried out.
The beneficial effects of the present invention are: the present invention provides a kind of fixtures for guaranteeing elastic obturating piston ring outer diameter light transmission qualification
And processing method, it is indeformable in process to can be realized clamped one time grinding multiple groups piston ring, piston ring, and be omitted and " bore and grind
Outer diameter " process, realizing piston ring, the processing is simple, efficient, external diameter surface brightness is consistent, realizes batch production, is greatly improved
Processing efficiency.
Detailed description of the invention
It, below will be to be used to being needed in example of the invention in order to illustrate more clearly of the technical solution that the present invention is implemented
Attached drawing makees simple explain.It is clear that drawings described below is only some embodiments of the present invention, for this field
Technical staff for, without creative efforts, be also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the fixture of processing outer diameter light transmission piston ring of the invention；
Fig. 2 is the schematic diagram of the mandrel of the fixture of processing outer diameter light transmission piston ring of the invention；
Fig. 3 is the schematic diagram of the sleeve of the fixture of processing outer diameter light transmission piston ring of the invention；
Fig. 4 is the enlarged diagram of the sleeve I of the fixture of processing outer diameter light transmission piston ring of the invention；
Fig. 5 is the schematic diagram of the gland of the fixture of processing outer diameter light transmission piston ring of the invention；
Wherein, piston ring 1- mandrel, 2- sleeve, 3- gland, 4- nut, 5- to be processed, 11- first segment, 12- second segment,
13- third section, the 4th section of 14-, the 5th section of 15-, the 6th section of 16-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the embodiments of the present invention, rather than whole embodiments.Based on the embodiments of the present invention, the ordinary skill people of this field
Without making creative work, every other embodiment obtained shall fall within the protection scope of the present invention member.
The feature of the various aspects of the embodiment of the present invention is described more fully below.In the following detailed description, it proposes
Many concrete details, so as to complete understanding of the present invention.But for those of ordinary skill in the art, very bright
Aobvious, the present invention can also be implemented in the case where not needing these details.Below to the description of embodiment
Just for the sake of being better understood by showing example of the invention to the present invention.The present invention is not limited to presented below any
Specific setting and method, but cover all product structures covered without departing from the spirit of the invention, method
Any improvement, replacement etc..
In each attached drawing and following description, well known structure and technology is not shown, is caused to avoid to the present invention
It is unnecessary fuzzy.
It is as shown in Figure 1 the structural schematic diagram of the fixture of processing outer diameter light transmission piston ring of the invention, comprising: mandrel 1, sleeve
2, gland 3, nut 4；The sleeve 2 is hollow cylinder structure, and schematic diagram is as shown in Figure 3；The signal of the mandrel 1
Figure is as shown in Figure 2: both ends have a center hole, and whole point six sections: first segment 11, second segment 12, third section 13, the 4th section 14, the
Five section 15, the 6th section 16,12 largest outside diameter of second segment, first segment 11 and second segment 12 are in ladder shaft-like, second segment 12 to the 6th
Section 16 is in ladder shaft-like；The internal diameter clearance fit of 13 outer diameter of third section and sleeve 2；Described the 6th section 16 has and spiral shell
The compatible external screw thread of internal screw thread of mother 4；The gland 3 is cyclic structure；Its schematic diagram is as shown in figure 4, its wall ratio rises
The wall thickness of circle is smaller, and internal diameter and the 5th section of 15 crest clearances cooperate, the internal diameter clearance fit of outer diameter and sleeve 2.Described
Nut 4 is for compressing gland 3.
Old machining process route are as follows: roughing → mill outer diameter → school mouthful → outer diameter of boring and grinding.
Utilize the method for present clip processing piston ring, machining process route are as follows:
Roughing → school mouth → mill outer diameter.By processing the cooperation of the fixture of outer diameter light transmission piston ring, light transmission qualification is realized
Requirement, and " outer diameter of boring and grinding " process is omitted.
Using the method for present clip processing piston ring, specific steps are as follows:
" school mouthful " process specific steps:
Step 1: self-control school mouthful sample circle, sample circle require internal diameter consistent with mill outer diameter tooling sleeve internal diameter；
Step 2: piston ring is compressed with vice, with flat file, removal fore shaft redundance reaches criterion of acceptability by hand.
The criterion of acceptability are as follows: piston ring can be packed into sample circle, and it is consistent with drawing requirement to be packed into after-opening gap.
" mill outer diameter " process specific steps:
Step 1: piston ring is sequentially loaded into sleeve 2, sleeve 2 is packed into mandrel 1, sleeve left side and mandrel second
Section 12 is close to, and 2 left end internal diameter of sleeve and piston ring outer diameter have already passed through accurate plan, it is ensured that piston ring is packed into sleeve
After 2, piston ring opened gap is consistent with drawing requirement, and mandrel 1 is coaxial good with sleeve 2, and piston ring is coaxial also the same with sleeve 2
It is secure, it just indirectly ensure that piston ring and mandrel 1 have highly desirable concentricity by fixture positioning；
Step 2: gland 3 is packed into the 5th section 15 of mandrel, piston ring right side is compressed with gland 3, nut 4 is packed into mandrel
6th section 16, screw-threaded coupling；
Step 3: 2 infinite place of sleeve requires, sleeve 2 is extruded into mandrel 1 with lever press, is pressed herein mainly by gland 3
Tight piston ring right side, after realizing that sleeve 2 is extracted out, piston ring is not taut to be opened, and is matched with 1 both ends center hole of mandrel with cylindrical grinder center hole
After attaching together folder, piston ring cylindricalo grinding operation is carried out.
It is designed by cleverly clamp structure, had not only solved the problems, such as the clamping of piston ring but also can guarantee once to be ground more
Group piston ring is ground 20 piston rings to size all without influence every time according to statistics, and without carrying out process of boring and grinding, ensure that outer diameter is saturating
Light requires, outer diameter brightness unanimously requires, and qualification rate is increased to 95% by original 40%, and it is raw that this method can be used for piston ring batch
It produces.
Finally it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, but protection of the invention
Range is not limited thereto, and anyone skilled in the art in the technical scope disclosed by the present invention, can be thought easily
It is modified or replaceed to various equivalent, these, which are modified or replaceed, should all be included within the scope of the present invention.
Claims (9)
1. a kind of fixture for processing outer diameter light transmission piston ring, it is characterised in that: the fixture of the processing outer diameter light transmission piston ring includes:
Mandrel (1), sleeve (2), gland (3), nut (4)；The sleeve (2) is hollow cylinder structure；
Mandrel (1) both ends have a center hole, whole point six sections: first segment (11), second segment (12), third section (13),
4th section (14), the 5th section (15), the 6th section (16), second segment (12) largest outside diameter, first segment (11) are in second segment (12)
Ladder shaft-like, second segment (12) is to the 6th section (16) in ladder shaft-like；Described the 6th section (16) has the interior spiral shell with nut (4)
The compatible external screw thread of line；
The gland (3) is cyclic structure；The wall thickness of its wall ratio piston ring is smaller.
2. the fixture of processing outer diameter light transmission piston ring according to claim 1, it is characterised in that: outside the third section (13)
The internal diameter clearance fit of diameter and the sleeve (2).
3. the fixture of processing outer diameter light transmission piston ring according to claim 2, it is characterised in that: the internal diameter of the gland (3)
Cooperate with the 5th section of (15) crest clearance.
4. the fixture of processing outer diameter light transmission piston ring according to claim 3, it is characterised in that: the outer diameter of the gland (3)
With the internal diameter clearance fit of the sleeve (2).
5. the fixture of processing outer diameter light transmission piston ring according to claim 4, it is characterised in that: the nut (4) and pressure
Cover (3) compression fit.
6. utilizing the processing method of the fixture of processing outer diameter light transmission piston ring described in claim 5, it is characterised in that: described adds
" mill outer diameter " process and the tandem of " school mouthful " process are adjusted by work method, first carry out " school mouthful " process, then carry out " mill
Outer diameter " process and the processing method for omitting " outer diameter of boring and grinding " process.
7. the processing method of processing outer diameter light transmission piston ring according to claim 6, it is characterised in that: described " school mouthful " work
Specific step is as follows for sequence:
Step 1: self-control school mouthful sample circle, sample circle require internal diameter consistent with mill outer diameter tooling sleeve internal diameter；
Step 2: piston ring is compressed with vice, with flat file, removal fore shaft redundance reaches criterion of acceptability by hand.
8. the processing method of processing outer diameter light transmission piston ring according to claim 6, it is characterised in that: " the mill outer diameter "
Specific step is as follows for process:
Step 1: piston ring is sequentially loaded into sleeve (2), sleeve (2) are packed on mandrel (1), sleeve left side and mandrel the
It is close to for two sections (12)；
Step 2: gland (3) are packed into the 5th section of mandrel (15), piston ring right side is compressed with gland (3), nut (4) are packed into
The 6th section of mandrel (16), screw-threaded coupling；
Step 3: sleeve (2) are extruded into mandrel (1) with lever press, it is top with mandrel (1) both ends center hole and cylindrical grinder
After hole cooperates clamping, piston ring cylindricalo grinding operation is carried out.
9. the processing method of processing outer diameter light transmission piston ring according to claim 7, it is characterised in that: in the step two
Criterion of acceptability are as follows: piston ring can be packed into sample circle, and it is consistent with drawing requirement to be packed into after-opening gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622683.7A CN110370039A (en) | 2019-07-09 | 2019-07-09 | A kind of fixture and method for processing outer diameter light transmission piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622683.7A CN110370039A (en) | 2019-07-09 | 2019-07-09 | A kind of fixture and method for processing outer diameter light transmission piston ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110370039A true CN110370039A (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910622683.7A Pending CN110370039A (en) | 2019-07-09 | 2019-07-09 | A kind of fixture and method for processing outer diameter light transmission piston ring |
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| CN (1) | CN110370039A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400048A (en) * | 2021-05-21 | 2021-09-17 | 中国航发哈尔滨东安发动机有限公司 | Clamping tool and method for thin-wall weak-rigidity opening clamping ring type part |
| CN113770660A (en) * | 2021-09-30 | 2021-12-10 | 杭州富生电器有限公司 | Adjustable manipulator for transfer shaping of stator after wire embedding and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058133A (en) * | 2015-09-14 | 2015-11-18 | 江西洪都航空工业集团有限责任公司 | Lathe device and method for machining piston ring |
-
2019
- 2019-07-09 CN CN201910622683.7A patent/CN110370039A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058133A (en) * | 2015-09-14 | 2015-11-18 | 江西洪都航空工业集团有限责任公司 | Lathe device and method for machining piston ring |
Non-Patent Citations (1)
| Title |
|---|
| 廖佩金主编: "《机械加工窍门集萃》", 31 August 1990 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400048A (en) * | 2021-05-21 | 2021-09-17 | 中国航发哈尔滨东安发动机有限公司 | Clamping tool and method for thin-wall weak-rigidity opening clamping ring type part |
| CN113770660A (en) * | 2021-09-30 | 2021-12-10 | 杭州富生电器有限公司 | Adjustable manipulator for transfer shaping of stator after wire embedding and manufacturing method thereof |
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Application publication date: 20191025 |
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