CN101745775B - Method and device for increasing slickness of middle axis surface of ball valve assembly - Google Patents
Method and device for increasing slickness of middle axis surface of ball valve assembly Download PDFInfo
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- CN101745775B CN101745775B CN 200810180184 CN200810180184A CN101745775B CN 101745775 B CN101745775 B CN 101745775B CN 200810180184 CN200810180184 CN 200810180184 CN 200810180184 A CN200810180184 A CN 200810180184A CN 101745775 B CN101745775 B CN 101745775B
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- axis
- squeegee roller
- ball valve
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- valve assembly
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- 238000005520 cutting process Methods 0.000 claims description 11
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- 239000007769 metal material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 230000003319 supportive effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000009499 grossing Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 14
- 238000005299 abrasion Methods 0.000 description 7
- 230000014509 gene expression Effects 0.000 description 6
- 238000005498 polishing Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
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- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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Abstract
The invention discloses a method and device for increasing slickness of middle axis surface of ball valve assembly, which includes the steps of keeping the pivoting freedom of a middle axis in a preset position; leading at least one rotating extrusion wheel to contact with the surface of the middle axis and driving the middle axis to generate pivoting; and leading the rotating extrusion wheel to extrude the surface of the middle axis, thus leveling the coarse grain of the surface of the middle axis and smoothing the surface of the middle axis.
Description
Technical field
The present invention is relevant with the ball valve processing unit (plant), more knows clearly it, is a kind of method and device of promoting ball valve assembly axis surface smoothness.
Background technology
Like Fig. 1, a kind of known ball valve assembly, the switching function of this ball valve assembly are to be rotated predetermined angulars and reached by an axis 1 control one spheroid 2.This spheroid 2 is arranged in the inner chamber of this ball valve assembly, and this axis 1 is extended through the shell 3 of this ball valve assembly, and the one of which end is connected with this spheroid 2, and the other end stretches through out this shell and can be connected with the instrument (figure does not show) of its rotation of control.This axis 1 is positioned in the perforation of this shell 3 and keeps the freedom of rotation through certain at least hyte part 5; The potted component 4 of at least one ring-type is fixed in this perforation; This axis 1 passes the sealing element; And keep contacting closely with sealing element 4, reach the sealing effectiveness that the fluid that prevents in this inner chamber flows out from this perforation.Can adopt materials such as Te Fulong or graphite and non-traditional elastic caoutchouc is manufactured sealing element 4.Yet this axis 1 can make sealing element 4 receive friction repeatedly when being rotated repeatedly, causes the abrasion of sealing element 4 to lose eventually the tight effect that contacts with this axis 1.
The abrasion speed of sealing element 4 depends on the slickness of this axis 1 outer wall, that is slickness is lower, and the abrasion speed of sealing element 4 is faster.Known, the cutting line that this axis 1 forms in the surface in manufacture process can quicken the abrasion speed of sealing element 4.Solved the means of this problem in the past; System removes the cutting line on this axis surface with mill with mechanical reconditioning or polishing mode; But reconditioning or polishing can produce, directive reconditioning lines thinner than cutting line on the surface of this axis, do not have essence to benefit for reducing potted component abrasion speed.And if reconditioning or polishing then possibly make this axis reduced, diameter out of roundness change not careful control, lose sealing effectiveness so that when combining to produce the gap with potted component.
Summary of the invention
The objective of the invention is to; A kind of method and device of promoting ball valve assembly axis surface smoothness is provided; To promote ball valve assembly axis surface smooth property, overcome the defective of the said ball valve assembly of prior art, improve axis surface smooth property and reduce friction potted component; Thereby slow down the abrasion speed of sealing element, prolong the service life of sealing element.
The objective of the invention is to, when promoting ball valve assembly axis surface smoothness, shaft diameter precision and out of roundness in still keeping being somebody's turn to do are guaranteed the compactness that axis combines with potted component.
According to above-mentioned purpose, a kind of method of promoting ball valve assembly axis surface smoothness comprises:
Make an axis change freedom in a precalculated position retainer shaft;
Make at least one moving squeegee roller of transhipment carry out the surface and contact, and it is moving to order about this axis generation axle transhipment with this axis; And
This squeegee roller in the rotation is pushed the surface of this axis, flatten the coarse lines on this axis surface, make the smooth surface of this axis.
Wherein, this squeegee roller is moved with respect to this axis and push this axis.
Wherein, comprise making another squeegee roller carry out the surface with this axis and contact, and cooperate with aforementioned squeegee roller and push the surface of this axis relatively with rotation freedom.
A kind of device of promoting ball valve assembly axis surface smoothness comprises:
Make the supportive device of an axis at a precalculated position retainer shaft commentaries on classics freedom, frame is contained on the axis;
One by a drive power source and first squeegee roller that axle changes, and the axial line of this first squeegee roller and the axis parallel of this axis, its periphery are linearity with this axis surface and contact; And
One makes this first squeegee roller be applied to the pushing device of a pushing force to this axis, is connected in the assembling frame in order to this first squeegee roller of frame dress.
Wherein, this first squeegee roller is that hard metallic materials is processed, and the surface of this first squeegee roller is the smooth surface with antiwear characteristic.
Wherein, comprise that also one has second squeegee roller of rotation freedom, the axis parallel of its axial line and this axis, its periphery are linear with the surface of this axis and contact.
Wherein, this second squeegee roller is that hard metallic materials is processed, and the surface of this second squeegee roller is the smooth surface with antiwear characteristic.
Wherein, this pushing device is a power cylinder.
, express as follows with specific embodiment now in above-mentioned central idea for ease of explanation the present invention.Various different parts system is described in the ratio that is suitable for explaining, size, deflection or displacement among the embodiment, but not draws in the ratio of actual components, close chat earlier bright.And in the following explanation, similar elements is to represent with identical numbering.
Description of drawings
Fig. 1 is the part sectioned view of convention ball valve.
Fig. 2 is first squeegee roller, second squeegee roller and the axis with three-dimensional appearance attitude performance apparatus of the present invention.
Fig. 3 be with first squeegee roller of three-dimensional appearance attitude performance apparatus of the present invention, second squeegee roller, axis with and relevant peripheral be equipped with.
Fig. 4 is the 4-4 profile among Fig. 2.
Fig. 5 is the situation with the local vertical section performance axis surface cut lines of microcosmic.
Fig. 6 is the situation that is extruded leveling with the local vertical section performance axis surface cut lines of microcosmic.
Fig. 7 is the situation that shows first squeegee roller extruding axis with the cross section of microcosmic.
Fig. 8 is that the cross section with microcosmic shows first squeegee roller extruding axis and with the situation of its surface cut lines leveling.
The specific embodiment
Like Fig. 2 and Fig. 3, the main appearance attitude of apparatus of the present invention is described.This device mainly comprises:
Make an axis 10 change the supportive device 11 of freedom in a precalculated position retainer shaft; Known devices that can be any realizes this supportive device 11, and two anchor clamps that for example have the rotation freedom are being supported the disc summit of the circumference of this axis 10.Perhaps shown in legend of the present invention, one supports seat 111 to support this axis 10 from the below;
One is driven and first squeegee roller 21 of rotation by a power source 20, and the axial line of this first squeegee roller 21 (lines 22 expressions) is parallel with the axial line (lines 14 expressions) of this axis 10, and its circumferential surface 23 is linearity with axle body 101 surfaces of this axis 10 and contacts; This first squeegee roller 21 is processed for hard metallic materials, and the circumferential surface 23 of this first squeegee roller 21 is for having the smooth surface of antiwear characteristic;
One has second squeegee roller 25 of rotation freedom, and its axial line (lines 26 expressions) is parallel with the axial line 14 of this axis 10, and its circumferential surface 27 is linear with the surface of the axle body 101 of this axis 10 and contacts; This second squeegee roller 25 is to process for hard metallic materials, and the circumferential surface 27 of this second squeegee roller 25 is for having the smooth surface of antiwear characteristic; And
One makes this first squeegee roller 21 be applied to the pushing device 32 of a pushing force to this axis 10.In legend of the present invention; This pushing device 32 is a power cylinder 321; The telescopic shaft 322 of this power cylinder 321 is connected in the assembling frame 33 in order to this first squeegee roller 21 of frame dress, through the feeding of this telescopic shaft 322, makes this first squeegee roller 21 bestow this axis 10 just like the pushing force shown in the arrow A.
Like Fig. 4, above-mentioned pushing force (shown in arrow A) can make this first squeegee roller 21, second squeegee roller 25 be linear closely with this axis 10 and contact.This power source 20 drives this first squeegee roller 21 and rotates, thereby this axis 10 is rotated, and makes this second squeegee roller, 25 driven rotations.This first squeegee roller 21 that rotates constitutes the defined diaxon running of applicant with this second squeegee roller 25; And pushing force (shown in the arrow A) is unidirectional to these first squeegee roller, 21 application of forces; Make first squeegee roller 21 and 25 pairs of axis of second squeegee roller 10 form the rigid extruding of metal to metal, formed cutting line is extruded leveling in the surface in manufacture process to make this axis 10 in view of the above.
Fig. 5 and Fig. 6 are the situation that the cutting lines on this axis of performance 10 surfaces of microcosmic are extruded leveling.Fig. 5 is the surface of representing this axis 10 with the vertical section of microcosmic, and jagged outline line 50 is represented cutting lines, representes the surface of these axis 10 through the vertical dotted line 51 of saw-toothed profile line 50 roots.Still without the extruding leveling, so its saw-toothed profile line 50 is to protrude from this vertical dotted line 51, that is cutting line is formed at this axis 10 surfaces to the axis 10 of Fig. 5.The axis 10 of Fig. 6 is through the extruding leveling of said apparatus of the present invention; The saw-toothed profile line is extruded and smooth suiting with this vertical dotted line 51; That is cutting line has been driven plain on the surface of axis 10, makes the surface of this axis 10 present the slickness that does not almost have pore.
Like Fig. 7; System representes that with the cross section of microcosmic the surface of this axis 10 receives first squeegee roller 21 and pushes away the situation of rolling and pushing, and has showed the circumferential surface 27 of first squeegee roller 21 in graphic, and arrow A is represented unidirectional pushing force; Cutting line with these axis 10 surfaces of camber line 53 expressions; With the surface of camber line 54 these axis 10 of expression, the direction of rotation of arrow 55,56 these first squeegee rollers 21 of expression and axis 10.Above-mentioned rigid rotation extrusion takes place at the contact position P of first squeegee roller 21 with axis 10; And because the spinning movement of this first squeegee roller 21 and axis 10; And make the surperficial circumference infiltration and development of contact position P along this axis 10; Therefore cutting line is extruded and is as shown in Figure 8 along 54 levelings of the camber line of representing these axis 10 surfaces, and then make the surface of this axis 10 present the slickness that does not almost have pore.
In the ball valve assembly, improve axis 10 surface smooth property and can reduce friction potted component, and the abrasion speed of slowing down the sealing element, the service life of prolongation sealing element.And, when promoting axis 10 surface smoothness, can keep this axis 10 diameter precision and out of roundness, with the compactness of guaranteeing that axis combines with potted component based on the technical scheme of taking off in the present invention.
Though the present invention does explanation with a most preferred embodiment, be skillful in this art and can make various multi-form changes not breaking away under the present invention spirit and the category.The above embodiment that lifts is only in order to explanation the present invention, and is non-in order to limit scope of the present invention.Such as do not disobey various modifications or the variation that the present invention's spirit is engaged in, all belong to claim of the present invention.
Claims (6)
1. a method of promoting ball valve assembly axis surface smoothness is characterized in that, comprising:
Make an axis change freedom in a precalculated position retainer shaft;
Make at least one first moving squeegee roller of transhipment carry out the surface and contact, and it is moving to order about this axis generation axle transhipment with this axis; And
Make another second squeegee roller carry out the surface with this axis and contact, and cooperate with aforementioned first squeegee roller and push the surface of this axis relatively with rotation freedom;
This first and second squeegee roller in the rotation is pushed the surface of this axis, flatten the coarse lines on this axis surface, make the smooth surface of this axis.
2. promote the method for the axis surface smoothness of ball valve assembly according to claim 1, it is characterized in that, this first squeegee roller is moved with respect to this axis and push this axis.
3. a device of promoting ball valve assembly axis surface smoothness is characterized in that, comprising:
Make the supportive device (11) of an axis (10) at a precalculated position retainer shaft commentaries on classics freedom, frame is contained on the axis (10);
One is driven and first squeegee roller (21) that axle changes by a power source (20), and the axial line (22) of this first squeegee roller (21) is parallel with the axial line (14) of this axis (10), and its periphery (23) is linearity with this axis (10) surface and contacts;
One has second squeegee roller (25) of rotation freedom, and its axial line (26) is parallel with the axial line (14) of this axis (10), and its periphery (27) is linear with the surface of this axis (10) and contacts; And
One makes this first squeegee roller (21) be applied to the pushing device (32) of a pushing force to this axis (10), is connected in the assembling frame (33) in order to this first squeegee roller (21) of frame dress;
Make the rigid extruding to axis (10) formation metal to metal of first squeegee roller (21) and second squeegee roller (25), formed cutting line is extruded leveling in the surface in manufacture process to make this axis (10) in view of the above.
4. like the device of the said enhancement ball valve of claim 3 assembly axis surface smoothness, it is characterized in that this first squeegee roller (21) is processed for hard metallic materials, and the surface of this first squeegee roller (21) is the smooth surface with antiwear characteristic.
5. like the device of the said enhancement ball valve of claim 3 assembly axis surface smoothness, it is characterized in that this second squeegee roller (25) is processed for hard metallic materials, and the surface of this second squeegee roller (25) is the smooth surface with antiwear characteristic.
6. like the device of the said enhancement ball valve of claim 3 assembly axis surface smoothness, it is characterized in that this pushing device (32) is a power cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810180184 CN101745775B (en) | 2008-12-02 | 2008-12-02 | Method and device for increasing slickness of middle axis surface of ball valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810180184 CN101745775B (en) | 2008-12-02 | 2008-12-02 | Method and device for increasing slickness of middle axis surface of ball valve assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101745775A CN101745775A (en) | 2010-06-23 |
| CN101745775B true CN101745775B (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810180184 Expired - Fee Related CN101745775B (en) | 2008-12-02 | 2008-12-02 | Method and device for increasing slickness of middle axis surface of ball valve assembly |
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| Country | Link |
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| CN (1) | CN101745775B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5972132A (en) * | 1998-02-11 | 1999-10-26 | Zenith Sintered Products, Inc. | Progressive densification of powder metallurgy circular surfaces |
| DE10025526A1 (en) * | 2000-05-23 | 2001-12-06 | Federal Mogul Friedberg Gmbh | Method for making face seal, especially for running gear, from ductile material, e.g. iron or steel, comprises cutting gliding plane, pressing roller against surface and rotating it at predetermined speed |
| WO2002022284A1 (en) * | 2000-09-13 | 2002-03-21 | Hegenscheidt-Mfd Gmbh & Co. Kg | Roller cage for a hard-rolling roller |
| JP2004344978A (en) * | 2003-05-20 | 2004-12-09 | Vincent J Lonero | Improved upper and lower tools for deep rolling |
| CN2836987Y (en) * | 2005-10-21 | 2006-11-15 | 黄文钦 | Polishing machine |
| CN101198441A (en) * | 2005-06-15 | 2008-06-11 | 本田技研工业株式会社 | Method and device for processing crankshaft and burnishing roller for crankshaft |
| CN201309061Y (en) * | 2008-12-02 | 2009-09-16 | 俊儒企业有限公司 | Device for improving the smoothness of mean axis surface in ball valve assembly |
-
2008
- 2008-12-02 CN CN 200810180184 patent/CN101745775B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5972132A (en) * | 1998-02-11 | 1999-10-26 | Zenith Sintered Products, Inc. | Progressive densification of powder metallurgy circular surfaces |
| DE10025526A1 (en) * | 2000-05-23 | 2001-12-06 | Federal Mogul Friedberg Gmbh | Method for making face seal, especially for running gear, from ductile material, e.g. iron or steel, comprises cutting gliding plane, pressing roller against surface and rotating it at predetermined speed |
| WO2002022284A1 (en) * | 2000-09-13 | 2002-03-21 | Hegenscheidt-Mfd Gmbh & Co. Kg | Roller cage for a hard-rolling roller |
| JP2004344978A (en) * | 2003-05-20 | 2004-12-09 | Vincent J Lonero | Improved upper and lower tools for deep rolling |
| CN101198441A (en) * | 2005-06-15 | 2008-06-11 | 本田技研工业株式会社 | Method and device for processing crankshaft and burnishing roller for crankshaft |
| CN2836987Y (en) * | 2005-10-21 | 2006-11-15 | 黄文钦 | Polishing machine |
| CN201309061Y (en) * | 2008-12-02 | 2009-09-16 | 俊儒企业有限公司 | Device for improving the smoothness of mean axis surface in ball valve assembly |
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| Publication number | Publication date |
|---|---|
| CN101745775A (en) | 2010-06-23 |
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Granted publication date: 20121212 Termination date: 20171202 |