CN106239054B - A kind of manufacturing process for playing drum cylinder barrel of damper - Google Patents
A kind of manufacturing process for playing drum cylinder barrel of damper Download PDFInfo
- Publication number
- CN106239054B CN106239054B CN201610731103.4A CN201610731103A CN106239054B CN 106239054 B CN106239054 B CN 106239054B CN 201610731103 A CN201610731103 A CN 201610731103A CN 106239054 B CN106239054 B CN 106239054B
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- China
- Prior art keywords
- welded tube
- cylinder barrel
- processing
- drum
- mold
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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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a kind of manufacturing process for playing drum cylinder barrel of damper, include the following steps: 1) to select cold-rolled steel sheet as raw material, and by its longitudinal shear at item；2) cold-rolled steel sheet in stripes will be sheared and welded tube is welded as by high-frequency induction welding technique；3) welded tube is put into room temperature degreasing bath, carries out washing and water-soluble anti-rust；4) to the welded tube carry out bright annealing processing, 5) to after annealing welded tube carry out surface lubrication processing；6) cooperated using PD external mold and AP internal model by after the outer diameter of welded tube, internal diameter simultaneously extrusion forming, then carry out secondary pulling out processing；7) welded tube that connection pulls out after processing is aligned；8) welded tube after aligning is subjected to cutting and both ends chamfered；9) welded tube after being disposed is carried out totally with the negative 0.02mm drift of internal diameter lower limit, then butt welding pipe internal surface carries out full inspection；10) it plays drum processing and inner surface, which carries out full inspection, 11) to be checked to the size for playing drum cylinder barrel according to drawing requirement, inner surface cannot have any scuffing.
Description
Technical field
The present invention relates to damper fields, specifically, being related specifically to a kind of manufacture work for playing drum cylinder barrel of damper
Skill.
Background technique
Damper shifts near vehicle body in automotive wheel, and when damper is compressed, damper inner piston is moved down at this time.Piston
The volume reducing of lower chambers, oil pressure increase, and oil liquid has passed through the chamber (epicoele) that drum channel flows to piston upper.Epicoele is by piston rod
A part of space has been accounted for, thus the increased volume of epicoele is less than the volume that cavity of resorption reduces, a part of oil liquid then just pushes pressure open
Contracting valve, flows back to oil storage cylinder.These valves form the damping force of the compressed movement of suspension to the throttling of oil.Damper is in wheel far from vehicle
Body, damper Tensile, at this moment the piston of damper moves up.Piston upper chamber oil pressure increases, and flowing valve is closed, upper intracavitary
Oil liquid pushes rebound valve open and flows into cavity of resorption.Due to the presence of piston rod, the oil liquid come from epicoele stream is not enough to increased full of cavity of resorption
Volume makes cavity of resorption generate a vacuum degree, and at this moment the oil liquid in oil storage cylinder, which pushes recuperation valve open and flows into cavity of resorption, is supplemented.Due to these
The throttling action of valve, therefore damping action is played to when being suspended in and doing stretching exercise.
Two-way double acting telescopic shock absorber requires working cylinder outer surface to carry out drum, makes during the motion internal due to obtaining
To effective buffer function, vibration can be effectively filtered, even muddy bumpy road surface, can also allow driver to enjoy easypro
Suitable sense.
The manufacturing process program of existing two-way double acting telescopic shock absorber is complicated, and the damper precision manufactured is not
Foot, influences subsequent use.
Summary of the invention
It is an object of the invention to aiming at the shortcomings in the prior art, provide a kind of manufacture work for playing drum cylinder barrel of damper
Skill plays drum cylinder barrel using what the technique manufactured, there is its cylinder barrel during the motion with piston after applying to damper
The buffer function of effect, is greatly reduced vibration amplitude.
Technical problem solved by the invention can be realized using following technical scheme:
A kind of manufacturing process for playing drum cylinder barrel of damper, includes the following steps:
1) select cold-rolled steel sheet as raw material, and by its longitudinal shear at item；
2) cold-rolled steel sheet in stripes will be sheared and welded tube is welded as by high-frequency induction welding technique；
3) welded tube is put into room temperature degreasing bath, carries out washing and water-soluble anti-rust；
4) bright annealing processing is carried out to the welded tube, annealing temperature is 690-720 DEG C, and the welded tube temperature after annealing exists
50-100℃；
5) surface lubrication processing is carried out to the welded tube after annealing；
6) cooperated using PD external mold and AP internal model by after the outer diameter of welded tube, internal diameter simultaneously extrusion forming, then carried out secondary
Pull out processing；
7) welded tube that connection pulls out after processing is aligned, guarantees that straightness is less than 0.15mm/500mm；
8) welded tube after aligning is subjected to cutting and both ends chamfered；
9) full inspection is carried out with internal diameter lower limit negative 0.02mm drift to the welded tube after being disposed, then butt welding pipe internal surface carries out
Full inspection；
10) drum processing is played:
A, interior design rubber king plays drum mold, and mold includes external mold, pedestal and pressure bar；
B, equipment uses 100T oil pressure press machine；
C, material uses rubber king rod outside diameter ￠ 34.8mm, length 60mm；
Specific steps are as follows: first the external mold of rubber king drum mold and pedestal are fixed on 100T press device,
Welded tube is put into mold, rubber king stick and pressure bar are put into welded tube again, started press device for pressure bar and be pressed into 10 down
± 0.5mm, then pressure bar, rubber king stick and welded tube are taken out, it plays drum cylinder barrel and completes the process；
11) finished product inspection: the size for playing drum cylinder barrel is checked according to drawing requirement, inner surface carries out full inspection, interior
Surface cannot have any scuffing.
Further, the high-frequency induction welding technique in the step 2) includes the following steps:
Feeding → shearing butt welding → storing → welded tube slightly burr → cooling → vortex inside and outside molding → high-frequency welding → removal
Flaw detection → welded tube precisive shaped → fixed ruler cutting → removal inner burr → finished product inspection.
Further, the surface lubrication treatment process in the step 5) include the following steps: pickling → washing 2 times → in
With → washing → drying → pinching → lubrication.
Compared with prior art, beneficial effects of the present invention are as follows:
Drum is played using the damper cylinder barrel of technique of the present invention manufacture, using mechanically in the inside same position of welded tube
Three bulges are bloated, while needing to guarantee inside dimension 0.02mm requirement positive and negative no more than original id tolerance, due to gold
Belong to and will result in internal diameter contraction while playing drum expansion, causes subsequent piston that can not pass through.This has developed drum mold
Squeeze using rubber king side expanding to process and effectively ensure that inside dimension requirement.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Its production method of the present invention includes following key step:
1, raw material: using Baosteel cold-rolled steel sheet, and related performance indicators meet Baosteel company standard
"Q/BQB410-2009"；
2, longitudinal shearing slitting: by the cold-rolled steel sheet longitudinal shear of Baosteel at item；
3, high-frequency welding is the following steps are included: feeding → shearing butt welding → storing → welded tube slightly molding → high-frequency welding → is gone
Except inside and outside burr → cooling → eddy current inspection → welded tube precisive shaped → fixed ruler cutting → removal inner burr → finished product inspection；
4, degreasing operation step: welded tube is put into room temperature degreasing bath and carries out washing and water-soluble anti-rust again
5, anaerobic is heat-treated: welded tube being carried out bright annealing, 690-720 DEG C of annealing temperature, natural gas and air are incomplete
The DX gas cooling that generates of burning is to moisture, the temperature of welded tube after annealing in removal DX gas after subzero 40 degree to subzero 30 degree
Degree is at 50-100 DEG C；
6, surface lubrication is handled: 2 times → neutralization → washing → drying of pickling → washing → pinching → lubrication.
7, drawing: cooperated using PD external mold and AP internal model by after the outer diameter of welded tube, internal diameter simultaneously extrusion forming, then carry out two
It is secondary to pull out processing；
8, it aligns: drawing pipe being put into straightener and is aligned, guarantee that straightness is less than 0.15mm/500mm；
9, both ends process: welded tube after aligning being carried out cutting and two end chamfers, according to length after drawing requirement control chamfering
With the angle tolerance at both ends；
10, it checks: carrying out full inspection with the negative 0.02mm drift of internal diameter lower limit, then butt welding pipe internal surface carries out full inspection；
11, drum processing is played:
A, interior design rubber king plays drum mold, and mold has three parts: external mold, pedestal and pressure bar；
B, equipment uses 100T oil pressure press machine；
C, material uses rubber king rod outside diameter ￠ 34.8mm, length 60mm；
Specific steps are as follows: first the external mold of rubber king drum mold and pedestal are fixed on 100T press device,
Welded tube is put into mold, rubber king stick and pressure bar are put into welded tube again, started press device for pressure bar and be pressed into 10 down
± 0.5mm, then pressure bar, rubber king stick and welded tube are taken out, it plays drum cylinder barrel and completes the process；
12, inner surface, which carries out full inspection, inner surface, finished product inspection: to be checked to size after playing drum according to drawing requirement
There cannot be any scuffing.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (3)
1. a kind of manufacturing process for playing drum cylinder barrel of damper, which comprises the steps of:
1) select cold-rolled steel sheet as raw material, and by its longitudinal shear at item；
2) cold-rolled steel sheet in stripes will be sheared and welded tube is welded as by high-frequency induction welding technique；
3) welded tube is put into room temperature degreasing bath, carries out washing and water-soluble anti-rust；
4) bright annealing processing is carried out to the welded tube, annealing temperature is 690-720 DEG C, and the welded tube temperature after annealing is in 50-100
℃；
5) surface lubrication processing is carried out to the welded tube after annealing；
6) cooperated using PD external mold and AP internal model by after the outer diameter of welded tube, internal diameter simultaneously extrusion forming, then carry out it is secondary pull out plus
Work；
7) welded tube that connection pulls out after processing is aligned, guarantees that straightness is less than 0.15mm/500mm；
8) welded tube after aligning is subjected to cutting and both ends chamfered；
9) full inspection is carried out with internal diameter lower limit negative 0.02mm drift to the welded tube after being disposed, then butt welding pipe internal surface carries out entirely
Inspection；
10) drum processing is played:
A, interior design rubber king plays drum mold, and it includes external mold, pedestal and pressure bar that rubber king, which plays drum mold,；
B, equipment uses 100T oil pressure press machine；
C, the material that rubber king plays drum mold uses rubber king stick, and the outer diameter ￠ of rubber king's stick is 34.8mm, the length of rubber king's stick
Degree is 60mm；
Specific steps are as follows: first the external mold of rubber king drum mold and pedestal are fixed on 100T press device, will weld
Pipe, which is put into mold, is again put into rubber king stick and pressure bar in welded tube, and pressure bar is pressed into 10 by starting press device down ±
0.5mm, then pressure bar, rubber king stick and welded tube are taken out, it plays drum cylinder barrel and completes the process；
11) inner surface, which carries out full inspection, inner surface, finished product inspection: to be checked to the size for playing drum cylinder barrel according to drawing requirement
There cannot be any scuffing.
2. the manufacturing process for playing drum cylinder barrel of damper according to claim 1, which is characterized in that in the step 2)
High-frequency induction welding technique includes the following steps:
Slightly burr → cooling → the eddy current inspection inside and outside molding → high-frequency welding → removal of feeding → shearing butt welding → storing → welded tube
→ welded tube precisive shaped → fixed ruler cutting → removal inner burr → finished product inspection.
3. the manufacturing process for playing drum cylinder barrel of damper according to claim 1, which is characterized in that in the step 5)
Surface lubrication treatment process includes the following steps: pickling → washing 2 times → neutralization → washing → drying → pinching → lubrication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731103.4A CN106239054B (en) | 2016-08-26 | 2016-08-26 | A kind of manufacturing process for playing drum cylinder barrel of damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731103.4A CN106239054B (en) | 2016-08-26 | 2016-08-26 | A kind of manufacturing process for playing drum cylinder barrel of damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106239054A CN106239054A (en) | 2016-12-21 |
| CN106239054B true CN106239054B (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610731103.4A Active CN106239054B (en) | 2016-08-26 | 2016-08-26 | A kind of manufacturing process for playing drum cylinder barrel of damper |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109201771A (en) * | 2018-08-20 | 2019-01-15 | 嘉兴永信精密钢管有限公司 | A kind of monotubular of damper, which is swaged, seals manufacturing process |
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| CN202579793U (en) * | 2012-03-12 | 2012-12-05 | 宁波南方减震器制造有限公司 | Self-tightening oil seal shock absorption assembly |
| CN202719069U (en) * | 2012-08-20 | 2013-02-06 | 成都市翻鑫家科技有限公司 | Vibration damper of automobile |
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| CN104534008A (en) * | 2014-12-30 | 2015-04-22 | 天津市汉沽德源机械制造有限公司 | Automobile damper piston rod assembly device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781054A (en) * | 1986-12-19 | 1988-11-01 | Rockwell International Suspension Systems Company | Apparatus for bending and forming heated tubular workpieces |
| CN1327912A (en) * | 2001-07-04 | 2001-12-26 | 株洲时代橡塑股份有限公司 | Technology for making integral spherical hinge with rubber jacket by squeeze and its product and mould |
| CN102527767A (en) * | 2011-11-22 | 2012-07-04 | 玛切嘉利（中国）有限责任公司 | Cold drawing welded tube manufacture process for high-accuracy hydraulic oil cylinder |
| CN202579793U (en) * | 2012-03-12 | 2012-12-05 | 宁波南方减震器制造有限公司 | Self-tightening oil seal shock absorption assembly |
| CN202719069U (en) * | 2012-08-20 | 2013-02-06 | 成都市翻鑫家科技有限公司 | Vibration damper of automobile |
| CN103292058A (en) * | 2013-05-31 | 2013-09-11 | 南京三邦金属复合材料有限公司 | Method for forming titanium and thin-wall stainless steel corrugated pipe |
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| CN104325262A (en) * | 2014-10-16 | 2015-02-04 | 海盐三鑫钢管有限公司 | Processing method for small-pipe-diameter thick-wall pipe used for automobile shock absorber |
| CN104455168A (en) * | 2014-11-24 | 2015-03-25 | 张家港保税区亚信汽车零部件科技有限公司 | Low friction cylinder of shock absorber and manufacturing method thereof |
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| Publication number | Publication date |
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| CN106239054A (en) | 2016-12-21 |
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Address after: 314100 No. 101, Taisheng Avenue, Huimin street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Yongli Precision Steel Pipe Co.,Ltd. Address before: 314100 No. 101, Taisheng Avenue, Huimin street, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: JIAXING YONGXIN PRECISION PIPE CO.,LTD. |
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