CN110552988A - high-sealing-performance shock absorber and sealing and flanging processing device and processing technology thereof - Google Patents
high-sealing-performance shock absorber and sealing and flanging processing device and processing technology thereof Download PDFInfo
- Publication number
- CN110552988A CN110552988A CN201910904065.1A CN201910904065A CN110552988A CN 110552988 A CN110552988 A CN 110552988A CN 201910904065 A CN201910904065 A CN 201910904065A CN 110552988 A CN110552988 A CN 110552988A
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- outer oil
- sealing
- flanging
- rolling groove
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 80
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 31
- 230000035939 shock Effects 0.000 title claims abstract description 31
- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
- B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
- B21D19/046—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
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- 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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
-
- 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
-
- 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
- F16F9/36—Special sealings, including sealings or guides for piston-rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to the technical field of improvement of shock absorbers, and particularly relates to a high-tightness shock absorber, a sealing flanging processing device and a processing technology thereof, wherein the high-tightness shock absorber comprises an outer oil pipe, a piston rod assembly, an outer oil pipe cover positioned on the inner side of the top of the outer oil pipe, a sealing flanging matched with the outer oil pipe cover, and a connector positioned at the bottom of the outer oil pipe, and is characterized in that: the outer surface of the middle part of the outer oil pipe is provided with a circle of rolling groove, the rolling groove is perpendicular to the outer oil pipe, the width of the rolling groove is 15-20cm, and the depth of the rolling groove is 0.5-0.8 cm. The middle part of the outer oil pipe is tightened in a mode of rolling a groove on the outer surface of the outer oil pipe, and a tension force towards the middle is generated at two ends of the outer oil pipe, so that the pretightening force of the sealing flanging is increased, the pressing force of the sealing flanging on the outer oil pipe cover and the oil seal is ensured, the sealing performance and the stability of the sealing flanging are ensured, and the normal and stable operation of the shock absorber is ensured.
Description
Technical Field
the invention belongs to the technical field of improvement of shock absorbers, and particularly relates to a high-sealing shock absorber and a sealing and flanging processing device and processing technology thereof.
background
The outer oil pipe of shock absorber commonly used adopts the mode of sealing turn-ups cooperation outer oil pipe lid and oil blanket to seal, can lead to outer oil pipe lid and oil blanket not hard up because the pretightning force that seals the turn-ups is not enough usually for its leakproofness is relatively poor with stability, and the easy emergence of working is leaked under the high strength operating mode, makes the normal steady operation of shock absorber receive the influence.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the invention provides the high-sealing shock absorber, the sealing flanging processing device and the processing technology thereof, wherein the middle part of the outer oil pipe is tightened by adopting a rolling groove mode on the outer surface of the outer oil pipe, and a tensioning force towards the middle is generated at two ends of the outer oil pipe, so that the pre-tightening force of the sealing flanging is increased, the pressing force of the sealing flanging on an outer oil pipe cover and an oil seal is ensured, the sealing performance and the stability of the shock absorber are ensured, and the normal and stable work of the shock absorber is ensured.
Therefore, the invention adopts the following technical scheme: the utility model provides a high leakproofness shock absorber, includes outer oil pipe, piston rod assembly, is located outer oil pipe lid of outer oil pipe top inboard and the connector of the outer oil pipe lid of the turn-ups of sealing and being located outer oil pipe bottom of cooperation, its characterized in that: the outer surface of the middle part of the outer oil pipe is provided with a circle of rolling groove, the rolling groove is perpendicular to the outer oil pipe, the width of the rolling groove is 15-20cm, and the depth of the rolling groove is 0.5-0.8 cm.
The middle part of the outer oil pipe is tightened in a mode of rolling a groove on the outer surface of the outer oil pipe, and a tension force towards the middle is generated at two ends of the outer oil pipe, so that the pretightening force of the sealing flanging is increased, the pressing force of the sealing flanging on the outer oil pipe cover and the oil seal is ensured, the sealing performance and the stability of the sealing flanging are ensured, and the normal and stable operation of the shock absorber is ensured.
Preferably, the distance from the rolling groove to the seal flanging is smaller than the distance from the rolling groove to the bottom of the outer oil pipe.
The utility model provides a high leakproofness shock absorber seal turn-ups processingequipment, the die block of oil pipe bottom outside swivel work head, the cooperation, the depended wheel at oil pipe top outside the cooperation and seal turn-ups shaping wheel, the die block is installed on swivel work head, seal turn-ups shaping wheel and depended wheel and set up its characterized in that relatively: the sealing flanging processing device also comprises a rolling groove forming wheel, a hydraulic driving mechanism for driving the rolling groove forming wheel to advance and retreat and an advancing and retreating distance sensor matched with the hydraulic driving mechanism, wherein the hydraulic driving mechanism is arranged on a matched rack.
The invention ensures the stable and reliable molding of the rolling channel, thereby ensuring the stable and reliable tightening of the middle part of the outer oil pipe, the stable and reliable tightening of the two ends of the outer oil pipe towards the middle part, improving the pretightening force of the sealing flanging, ensuring the pressing force of the sealing flanging on the outer oil pipe cover and the oil seal, and ensuring the sealing effect and the use stability of the sealing flanging.
preferably, the bottom die is a V-shaped limiting block, and the connector is placed on the V-shaped limiting block for limiting.
a sealing flanging processing technology of a high-sealing-performance shock absorber comprises the following steps:
1) One end of the piston rod assembly extends into the outer oil pipe, and the outer oil pipe cover is arranged at the top of the outer oil pipe;
2) Placing a connector at the bottom of the outer oil pipe in the lower die, wherein one side of the top of the outer oil pipe is close to the leaning wheel, and the other side of the top of the outer oil pipe is aligned with the sealing flanging forming wheel;
3) The rotary workbench rotates to drive the outer oil pipe to rotate, the sealing flanging forming wheel advances to roll the top of the outer oil pipe to form a sealing flanging, and the sealing flanging is tightly attached to the outer oil pipe cover;
4) The hydraulic driving mechanism drives the rolling groove forming wheel to roll the outer surface of the outer oil pipe to form a rolling groove;
5) In the process of forming the rolling channel, the middle part of the outer oil pipe is tightened, so that the upper end and the lower end of the outer oil pipe are tensioned towards the middle part, the pre-tightening force of the sealing flanging is increased, and the pressing force of the sealing flanging on the outer oil pipe cover and the oil seal is ensured.
Preferably, the rolling pressure of the seal flanging forming wheel in the step 3) and the rolling pressure of the rolling groove forming wheel in the step 4 are both 0.2-0.3 MPa.
Preferably, the rolling time of the seal flanging forming wheel is 2-3s, and the rolling time of the rolling groove forming wheel is delayed by 1-2s relative to the rolling time of the seal flanging forming wheel.
Preferably, the step 5) of increasing the pretightening force of the seal flanging means that the pretightening force of the seal flanging is increased by 50-80% under the same material thickness.
The middle part of the outer oil pipe is tightened in a mode of rolling a groove on the outer surface of the outer oil pipe, and a tension force towards the middle is generated at two ends of the outer oil pipe, so that the pretightening force of the sealing flanging is increased (the pretightening force of the sealing flanging is increased by 50% -80% under the same material thickness), the pressing force of the sealing flanging on an outer oil pipe cover and an oil seal is ensured, the sealing performance and the stability of the sealing flanging are ensured, and the normal and stable work of the shock absorber is ensured.
Drawings
FIG. 1 is a schematic structural view of a shock absorber and a seal flanging processing device of the present invention;
In the figure, 1, an outer oil pipe, 2, a piston rod assembly, 3, a connector, 4, a idler wheel, 5, a sealing flanging forming wheel, 6, a rolling groove, 7, a rolling groove forming wheel, 8, a hydraulic driving mechanism, 9, a forward and backward distance sensor, 10, a rotary workbench and 11, a bottom die.
Detailed Description
The invention is further explained below with reference to the figures.
As shown in fig. 1, a high-sealing shock absorber includes an outer oil pipe 1, a piston rod assembly 2, an outer oil pipe cover located on the inner side of the top of the outer oil pipe 1, a sealing flange matching the outer oil pipe cover, and a connector 3 located at the bottom of the outer oil pipe 1. The outer surface of the middle part of the outer oil pipe 1 is provided with a circle of rolling groove 6, the rolling groove 6 is vertical to the outer oil pipe 1, the width of the rolling groove 6 is 15-20cm, and the depth of the rolling groove 6 is 0.5-0.8 cm. The distance from the rolling groove 6 to the sealing flanging is less than the distance from the rolling groove 6 to the bottom of the outer oil pipe 1. The utility model provides a turn-ups processingequipment seals of high leakproofness shock absorber, including swivel work head 10, the die block 11 of 1 bottom of oil pipe outside the cooperation, the depended wheel 4 at 1 top of oil pipe outside the cooperation and the turn-ups shaping wheel 5 that seals, die block 11 is installed on swivel work head 10, seal turn-ups shaping wheel 5 and depended wheel 4 and set up relatively, should seal turn-ups processingequipment still including raceway shaping wheel 7, the hydraulic drive mechanism 8 that the drive raceway shaping wheel 7 advances and retreats and cooperation hydraulic drive mechanism 8 advance and retreat apart from inductor 9, hydraulic drive mechanism 8 installs in supporting frame. The bottom die 11 is a V-shaped limiting block, and the connector 3 is placed on the V-shaped limiting block for limiting.
A sealing flanging processing technology of a high-sealing-performance shock absorber comprises the following steps:
1) One end of the piston rod assembly extends into the outer oil pipe, and the outer oil pipe cover is arranged at the top of the outer oil pipe;
2) Placing a connector at the bottom of the outer oil pipe in the lower die, wherein one side of the top of the outer oil pipe is close to the leaning wheel, and the other side of the top of the outer oil pipe is aligned with the sealing flanging forming wheel;
3) The rotary workbench rotates to drive the outer oil pipe to rotate, the sealing flanging forming wheel advances to roll the top of the outer oil pipe to form a sealing flanging, and the sealing flanging is tightly attached to the outer oil pipe cover;
4) the hydraulic driving mechanism drives the rolling groove forming wheel to roll the outer surface of the outer oil pipe to form a rolling groove;
5) In the process of forming the rolling channel, the middle part of the outer oil pipe is tightened, so that the upper end and the lower end of the outer oil pipe are tensioned towards the middle part, the pre-tightening force of the sealing flanging is increased, and the pressing force of the sealing flanging on the outer oil pipe cover and the oil seal is ensured.
The rolling pressure of the seal flanging forming wheel in the step 3) and the rolling pressure of the rolling groove forming wheel in the step 4 are both 0.2-0.3 MPa.
The rolling time of the sealing flanging forming wheel is 2-3s, and the rolling time of the rolling groove forming wheel is delayed by 1-2s relative to the rolling time of the sealing flanging forming wheel.
The step 5) of increasing the pretightening force of the sealing flanging means that the pretightening force of the sealing flanging is increased by 50-80% under the same material thickness.
The sealing flanging and the outer oil pipe cover are internally sealed to prevent internal leakage; the outer surface of the middle part of the outer oil pipe is provided with a rolling groove, so that the pre-tightening force of the sealing flanging is effectively improved, and the sealing performance is improved.
The middle part of the outer oil pipe is tightened in a mode of rolling a groove on the outer surface of the outer oil pipe, and a tension force towards the middle is generated at two ends of the outer oil pipe, so that the pretightening force of the sealing flanging is increased (the pretightening force of the sealing flanging is increased by 50% -80% under the same material thickness), the pressing force of the sealing flanging on an outer oil pipe cover and an oil seal is ensured, the sealing performance and the stability of the sealing flanging are ensured, and the normal and stable work of the shock absorber is ensured.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. The utility model provides a high leakproofness shock absorber, includes outer oil pipe, piston rod assembly, is located outer oil pipe lid of outer oil pipe top inboard and the connector of the outer oil pipe lid of the turn-ups of sealing and being located outer oil pipe bottom of cooperation, its characterized in that: the outer surface of the middle part of the outer oil pipe is provided with a circle of rolling groove, the rolling groove is perpendicular to the outer oil pipe, the width of the rolling groove is 15-20cm, and the depth of the rolling groove is 0.5-0.8 cm.
2. The high-sealability shock absorber of claim 1 wherein: the distance from the rolling groove to the sealing flanging is smaller than the distance from the rolling groove to the bottom of the outer oil pipe.
3. The sealing and flanging processing device of the high-tightness shock absorber in claim 1 comprises a rotary workbench, a bottom die matched with the bottom of the outer oil pipe, a depended wheel matched with the top of the outer oil pipe and a sealing and flanging forming wheel, wherein the bottom die is arranged on the rotary workbench, and the sealing and flanging forming wheel and the depended wheel are arranged oppositely, and is characterized in that: the sealing flanging processing device also comprises a rolling groove forming wheel, a hydraulic driving mechanism for driving the rolling groove forming wheel to advance and retreat and an advancing and retreating distance sensor matched with the hydraulic driving mechanism, wherein the hydraulic driving mechanism is arranged on a matched rack.
4. A seal flanging processing device of a high-tightness shock absorber according to claim 3, characterized in that: the die block is a V-shaped limiting block, and the connector is placed on the V-shaped limiting block for limiting.
5. a process for processing the seal flanging of the high-tightness shock absorber according to claim 3, which is characterized in that: the method comprises the following steps:
1) One end of the piston rod assembly extends into the outer oil pipe, and the outer oil pipe cover is arranged at the top of the outer oil pipe;
2) placing a connector at the bottom of the outer oil pipe in the lower die, wherein one side of the top of the outer oil pipe is close to the leaning wheel, and the other side of the top of the outer oil pipe is aligned with the sealing flanging forming wheel;
3) The rotary workbench rotates to drive the outer oil pipe to rotate, the sealing flanging forming wheel advances to roll the top of the outer oil pipe to form a sealing flanging, and the sealing flanging is tightly attached to the outer oil pipe cover;
4) The hydraulic driving mechanism drives the rolling groove forming wheel to roll the outer surface of the outer oil pipe to form a rolling groove;
5) in the process of forming the rolling channel, the middle part of the outer oil pipe is tightened, so that the upper end and the lower end of the outer oil pipe are tensioned towards the middle part, the pre-tightening force of the sealing flanging is increased, and the pressing force of the sealing flanging on the outer oil pipe cover and the oil seal is ensured.
6. the sealing flanging processing technology of the high-tightness shock absorber according to claim 5, characterized in that: the rolling pressure of the seal flanging forming wheel in the step 3) and the rolling pressure of the rolling groove forming wheel in the step 4 are both 0.2-0.3 MPa.
7. The sealing flanging processing technology of the high-tightness shock absorber according to claim 5, characterized in that: the rolling time of the sealing flanging forming wheel is 2-3s, and the rolling time of the rolling groove forming wheel is delayed by 1-2s relative to the rolling time of the sealing flanging forming wheel.
8. The sealing flanging processing technology of the high-tightness shock absorber according to claim 5, characterized in that: the step 5) of increasing the pretightening force of the sealing flanging means that the pretightening force of the sealing flanging is increased by 50-80% under the same material thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904065.1A CN110552988A (en) | 2019-09-24 | 2019-09-24 | high-sealing-performance shock absorber and sealing and flanging processing device and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904065.1A CN110552988A (en) | 2019-09-24 | 2019-09-24 | high-sealing-performance shock absorber and sealing and flanging processing device and processing technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110552988A true CN110552988A (en) | 2019-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910904065.1A Pending CN110552988A (en) | 2019-09-24 | 2019-09-24 | high-sealing-performance shock absorber and sealing and flanging processing device and processing technology thereof |
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| CN (1) | CN110552988A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564749A (en) * | 2009-05-31 | 2009-10-28 | 隆昌山川精密焊管有限责任公司 | Gas-liquid vibration absorber charging-sealing device |
| JP2010255641A (en) * | 2009-04-21 | 2010-11-11 | Nok Corp | Oil seal |
| CN203297465U (en) * | 2013-05-22 | 2013-11-20 | 宁波南方减震器制造有限公司 | Dual-sealing hydraulic damper |
| CN203484468U (en) * | 2013-08-30 | 2014-03-19 | 金日实业股份有限公司 | Roll grooving machine structure |
| CN207332123U (en) * | 2017-10-20 | 2018-05-08 | 重庆奇甫机械有限责任公司 | Efficient energy-saving and emission-reducing high tensile reinforcement connection extruding grout sleeve and architectural prefab |
| CN210686816U (en) * | 2019-09-24 | 2020-06-05 | 杭州金士顿实业有限公司 | High leakproofness shock absorber and seal turn-ups processingequipment thereof |
-
2019
- 2019-09-24 CN CN201910904065.1A patent/CN110552988A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010255641A (en) * | 2009-04-21 | 2010-11-11 | Nok Corp | Oil seal |
| CN101564749A (en) * | 2009-05-31 | 2009-10-28 | 隆昌山川精密焊管有限责任公司 | Gas-liquid vibration absorber charging-sealing device |
| CN203297465U (en) * | 2013-05-22 | 2013-11-20 | 宁波南方减震器制造有限公司 | Dual-sealing hydraulic damper |
| CN203484468U (en) * | 2013-08-30 | 2014-03-19 | 金日实业股份有限公司 | Roll grooving machine structure |
| CN207332123U (en) * | 2017-10-20 | 2018-05-08 | 重庆奇甫机械有限责任公司 | Efficient energy-saving and emission-reducing high tensile reinforcement connection extruding grout sleeve and architectural prefab |
| CN210686816U (en) * | 2019-09-24 | 2020-06-05 | 杭州金士顿实业有限公司 | High leakproofness shock absorber and seal turn-ups processingequipment thereof |
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