CN105215624A - Cooling rolled-on method in Tong Gui Trace - Google Patents
Cooling rolled-on method in Tong Gui Trace Download PDFInfo
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- CN105215624A CN105215624A CN201510566628.2A CN201510566628A CN105215624A CN 105215624 A CN105215624 A CN 105215624A CN 201510566628 A CN201510566628 A CN 201510566628A CN 105215624 A CN105215624 A CN 105215624A
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- tong
- cooling
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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
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
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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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
Cooling rolled-on method in Tong Gui Trace, relevant with metal cutting, mainly for the processing of metal hard seal valve, it is characterized in that: rolled by inner-cooled elasticity and head rolls ball, keeping with under Tong Gui Trace motion state during turning, to valve valve seat Yu the contact surface of Mi seal carries out interior cooling roll processing; Its method is: it is spacing by positioning sleeve to roll ball, is equipped with spring between positioning sleeve and adjustment joint, and adjustment joint is fixed on housing by screw thread, spring forces can be made to roll ball and appropriateness is pressed into turning contact surface; Workpiece motion s, the Tong Gui Trace in the tactile face that just can achieve a butt joint rolls processing; Roll contact zone and can also obtain cooling and lubrication from internal fluid channels; To reduction sealing surface surface roughness value, it is highly beneficial that the metal that acquisition leakage rate is extremely low rolls sealed valve.
Description
Technical field:
The present invention relates to lathe and technical field of tools, relevant with metal hard seal valve process technology, anti-micro-leakage mainly for metal hard seal valve contact surface rolls processing, reach smooth finished surface, the sharp-pointed ripple of flattening-out and cut squama thorn, reduce surface roughness value, reduce valve contact zone leakage rate; Reduce cutting fluid consumption, preventing pollution; The object improving working (machining) efficiency and grind with car generation.
Background technology:
In order to reduce the roughness value on machining surface, after the manufacturing procedures such as turning, often need by grinding process come Repair gene blemish, eliminate revolution mark, smooth because of cut tear finished surface produce the sharp-pointed ripple of periodicity and cut squama thorn, to improve surface to be machined quality, to reduce surface roughness value, reduce valve contact zone leakage rate.The anti-micro-leakage of this technological measure to metal hard seal valve contact surface is even more important, because it makes contact surface more smooth, tight, but this traditional technique still becomes in following weak point:
1. must employ car, mill two lathes, add operating cost;
2. the series of problems creating repetition workpiece loading and unloading, use two cover technological equipment, twice installation and debugging etc. to expend unproductive time;
3. because secondary installing clamps, repeats to adjust working position apparatus, be difficult to ensure that valve seat is Yu the registration of Mi seal theoretical curve, process deviation causes harmful effect to sealing;
4. valve seat and sealing ring all adopt grinding, even the general grinding machine of very little stock removal, are also difficult to ensure that emery wheel reconditioning Pian Cha No has and cause harmful effect to sealing;
5., in order to ensure grinding quality, reduce emery wheel temperature rise, often need a large amount of finish to implement cooling and lubrication to grinding area, environmental pollution is large.
My unit is when processing the contact surface of three eccentricity hard seal butterfly type Fa Men Mi seal ring and valve seat, and the above-mentioned car of Long-Time Service, grinding process, also encounter a lot of problem really.
Summary of the invention:
The object of the invention is to, overcome above-mentioned weak point of the prior art, for a change conventional metals hard sealed valve contact surface processing technology, reduce valve contact zone leakage rate; And provide one can to run along Tool in Cutting Gui Trace, same lathe is processed, use same frock, without the need to repeating workpiece loading and unloading, repeat to adjust working position apparatus, environmental pollution is little, can improve in machined surface quality, the metal hard seal valve sealing ring of reduction surface roughness value and the Tong Gui Trace of the contact surface of valve seat and cool rolled-on method, and obtains with the extremely low valve of the leakage rate of this processes.
Usually, method of the present invention is: on the knife bar of vertical lathe, cutter spindle or knife rest, install inner-cooled elasticity roll head; Keep the Tong Gui Trace motion state of workpiece during turning; The ball that rolls allowing inner-cooled elasticity roll on head contacts firmly with the contact surface after finish turning; Workpiece and Reasonable Speed is allowed to run; Open cooling medium feeding mechanism, cooling and lubricating medium, by inner fluid passage, rolls contact zone injection from ball four circumference that rolls being located at shell end; Namely form cooling rolled-on method in Tong Gui Trace of the present invention, and obtain with the extremely low valve of the leakage rate of this processes.
Feature of the present invention is: be equipped with special positioning sleeve, spring and adjustment joint in the housing that inner-cooled elasticity rolls head; Roll ball to be controlled by the groove of positioning sleeve and part stretches out shell end, can rotate freely; Shell inner hole end is provided with small stair, and small stair diameter is less than and rolls bulb diameter, and spring fitting is between positioning sleeve and adjustment joint; Adjustment joint is provided with fluid passage and communicates with the fluid passage that positioning sleeve and small stair are provided with; Adjustment joint is screwed to above housing; Rotate adjustment joint, spring forces positioning sleeve, positioning sleeve promotes to roll ball appropriateness press-in surface of the work; At the afterbody of adjustment joint, be equipped with cooling medium interfacing conveyor, connect by pipe arrangement and cooling medium feeding mechanism, and implement cooling and lubrication by the hard contact zone rolling ball and workpiece of fluid passage to appropriateness press-in surface of the work.Different with technological requirement according to machine tool structure, workpiece material, can also the cooling medium feeding mechanism of choice for use gaseous state, liquid state or gas-liquid mixed state, multi-form cooling and lubricating is provided.
Due to the lathe of the contact surface such as the hard sealed valve sealing ring of processing metal and valve seat vertical lathe can be not limited only to, therefore, also inner-cooled elasticity of the present invention can be rolled head, be arranged on other suitable lathe and process; Certainly, the workpiece that also can be suitable for other carries out Tong Gui Trace and rolls processing.
During the contact surface of Jing Jia Gong Mi seal and valve seat, the Tong Gui Trace of workpiece during turning is kept to move extremely important.The processing of valve sealing ring of the present invention and valve seat, all carrying out with on class lathe, is fixed by Same Way, runs in identical theoretical curve; Once clamp car, ground two procedures, the change in location that Zhong Jian No has lax, Jin Gu Luo Silk to produce, therefore, it is possible to ensure to roll ball like lathe tool to the Tong Gui Trace motion state of workpiece, achieved Tong Gui Trace and roll.After same rail Trace rolled-on method processing of the present invention, the sealing of valve contact surface is improved greatly, leakage rate, lower than metal hard seal valve two orders of magnitude of former car, grinding process processing, obtains the valve that leakage rate is extremely low.
Cooling rolled-on method, rolls head by the inner-cooled elasticity be arranged on lathe in Tong Gui Trace of the present invention, achieves to roll processing to machining surface and cutter Tong Gui Trace; The sharp-pointed ripple of the remaining periodicity in metal surface can not only be made and cut the pressurizeds such as squama thorn to subside, play the effect reducing surface roughness value, improve wearability; And the problem clamping because this reducing secondary, using two cover technological equipment, twice installation and debugging etc. to expend unproductive time; Eliminate Geng Change, the harmful effect that crudy is caused of adjustment working position apparatus; Reduce production cost, before achieving, need the work that just can complete with a chassis bed, a grinding machine two lathes; Owing to have employed the interior type of cooling, decrease the pollution of cutting fluid to environment, and the extremely low metal hard seal valve of leakage rate can be obtained, create and have very much suitable effect.
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation that inner-cooled elasticity rolls head, in figure:
1---knife bar, 2---housing, 3---rolls ball, 4---positioning sleeve, 5 ... spring, 6 ... adjustment joint, 7---cooling medium interfacing conveyor, 8---pipe arrangement, 9---knife rest, 10---fluid passage;
Accompanying drawing 2 is processing signals of the hard sealed valve valve seat of three eccentricity, in figure:
1---knife bar, 11---inner-cooled elasticity rolls head, 12---valve seat, 13---contact surface, 14---mold;
Accompanying drawing 3 is processing signals of the hard sealed valve sealing ring of three eccentricity, in figure:
1---knife bar, 11---inner-cooled elasticity rolls head, 13---contact surface, 14---mold, 15---Mi seal (ring) 16---pressing plate.
Detailed description of the invention:
Below, the present invention and vertical lathe are processed three eccentricity and firmly seal butterfly-type valve seat rings and the contact surface of valve seat is example, be described further in conjunction with three accompanying drawings:
In accompanying drawing 1, after finish turning operation completes, knife bar 1 is installed inner-cooled elasticity and rolls head, inner-cooled elasticity rolls and head rolls ball 3, by the adjustment of knife rest 9 feed system, can be pressed into a certain extent by the contact surface of finish turning processing parts, namely described hard contact.Owing to changing with the station condition Wan full No such as clamping during turning, so when work piece interface repeats Tool in Cutting Gui Trace motion, the Tong Gui Trace rolling ball 3 pairs of work piece interface just can be produced and rolls effect; The sharp-pointed ripple of periodicity that when making Tool in Cutting, metal-contacting surface produces and cut squama thorn pressurized and subside, plays the effect reducing surface roughness value.In figure, inner-cooled elasticity rolls the housing 2 of head, is fixed on above knife bar 1, knife bar 1 contacts with knife rest 9; In the inside of housing 2, be equipped with special positioning sleeve 4; Positioning sleeve 4 is provided with fluid passage 10; Rolling ball 3 locates controlled in the groove of positioning sleeve 4, and the small stair that part stretches out housing 2 end can rotate freely; The small stair outer annular diameter of housing 2 end is less than and rolls ball 3 diameter, makes to roll that ball 3 is unlikely to be fallen to remove from housing 2; Small stair is provided with fluid passage 10; Spring 5 is equipped with in the stage casing of housing 2, and one end of spring 5 is inserted in the spring groove at positioning sleeve 4 back, and the other end is then led on the tubular axis of adjustment joint 6; The center of adjustment joint 6 is finish passages, and the fluid passage 10 be provided with positioning sleeve 4 and small stair communicates; Adjustment joint 6 is fixed on above housing 2 by screw thread, can be oppressed, loosen cicada spring, adjust the pressure to contact surface by it; The afterbody of adjustment joint 6 is equipped with cooling medium interfacing conveyor 7, and is connected by pipe arrangement 8 and cooling medium feeding mechanism; Form the same rail Trace interior cooling rolled-on method that three eccentricity seals butterfly-type valve contact surface firmly.
By accompanying drawing 2, three eccentricity seals the processing signal of butterfly valve family of power and influence seat firmly, adds man-hour, is clamped in by valve seat 12 on mold 14; After other position machines, the cutting parameter set by vertical lathe is thick, the contact surface 13 of finish turning valve seat; After finish turning completes, lathe tool is unloaded from knife bar 1, install inner-cooled elasticity and roll 11, adjustment knife bar 1, motion rolls ball 3 to contact position hard with the appropriateness of contact surface 13; Start cooling medium feeding mechanism, by cooling medium interfacing conveyor 7, allow cooling and lubricating medium by the finish passage at adjustment joint 6 center, input the fluid passage 10 on positioning sleeve 4 and small stair, and spray to the hard contact zone rolling ball 3 and contact surface 13 from the end of housing 2; Start lathe, valve seat 12 runs by Gui Trace during turning with knife bar 1, just can implement to roll the interior cooling rolling operation of ball 3 and lathe tool Tong Gui Trace.
By accompanying drawing 3, the processing that three eccentricity seals butterfly-type valve sealing ring is firmly illustrated, is clamped in by sealing ring 15 on mold 14, and the cutting parameter set by vertical car is thick, the contact surface 13 of finish turning sealing ring; After finish turning completes, lathe tool is unloaded from knife bar 1, install inner-cooled elasticity and roll 11, the motion of adjustment knife bar 1 rolls ball 3 to contact position hard with the appropriateness of contact surface 13; Start cooling medium feeding mechanism, by cooling medium interfacing conveyor 7, allow cooling and lubricating medium by the finish passage at adjustment joint 6 center, input the fluid passage 10 on positioning sleeve 4 and small stair, and spray to the hard contact zone rolling ball 3 and contact surface 13 from the end of housing 2; Start lathe, sealing ring 15 runs by Gui Trace during turning with knife bar 1, just can implement to roll the interior cooling rolling operation of ball 3 and lathe tool Tong Gui Trace.
Because valve seat 12 and sealing ring 15 all complete finish turning by same line rail Trace, roll ball 3 and repeat again same line rail Trace and move, whole process all completes under same lathe, same clamping condition; Roller compaction process is just pressed the remaining sharp-pointed ripple of periodicity in metal surface of having collapsed and is cut squama thorn etc.; No has shear action, matching relationship between sealing ring 15 and valve seat 12 ensures by machine tool accuracy, so, subsiding of periodically sharp-pointed ripple and cutting squama thorn etc., has any impact to smart degree No; But the contact surface after rolling is more smooth, steady and sure, and wearability is higher, and surface roughness value is lower, highly beneficial to the micro-leakage of reduction.
Use cooling rolled-on method in Tong Gui Trace of the present invention, achieve and once clamp respectively on a vertical lathe, complete the fine finishining that three eccentricity seals butterfly-type valve seat rings and the contact surface of valve seat firmly, detect and find: use in Tong Gui Trace of the present invention and cool after rolled-on method, the sealing property of valve has had significant raising, according to national leakage rate highest ranking standard GB/T4213-92VI level leakage rate level estimate, the valve of diameter 8in (203mm), leakage rate should be no more than 45 bubbles/point; In the past, my unit car, grinding process processed this valve, and usual leakage rate is all between 40 ~ 45 bubble/marks; Use in Tong Gui Trace of the present invention and cool after rolling method, same valve processed by same vertical lathe, leakage rate has had and has obviously declined, more than former 40 bubble/marks, drop to below 20 bubble/marks, improve two orders of magnitude, achieve ideal effect.
Claims (6)
1. cooling rolled-on method in Tong Gui Trace, relevant with metal hard seal valve process technology, its method is: on the knife bar of vertical lathe, cutter spindle or knife rest, install inner-cooled elasticity roll head; Keep the Tong Gui Trace motion state of workpiece during turning; The ball that rolls allowing inner-cooled elasticity roll on head contacts firmly with cutting surface; Workpiece and Reasonable Speed run; Open cooling medium feeding mechanism, cooling and lubricating medium, by fluid passage, Inner portion, rolls contact zone injection from ball four circumference that rolls being located at shell end; Form cooling rolled-on method in Tong Gui Trace of the present invention, and acquisition rolls sealed valve with the metal that the leakage rate of this processes is extremely low.
2. cooling rolled-on method in Tong Gui Trace according to claim 1, is characterized in that: be equipped with special positioning sleeve, spring and adjustment joint in the housing that inner-cooled elasticity rolls head; Roll ball location, be controlled by positioning sleeve groove in and the end that part stretches out housing can rotate freely; Be provided with small stair in the end of shell inner hole, small stair outer annular diameter is less than and rolls bulb diameter; Spring fitting is between positioning sleeve and adjustment joint; Be provided with fluid passage and communicate with the fluid passage that positioning sleeve and small stair are provided with in the middle of adjustment joint; Adjustment joint is screwed to above housing; Rotate adjustment joint, spring forces positioning sleeve, positioning sleeve promotes to roll ball appropriateness press-in surface of the work; The afterbody of adjustment joint, is equipped with cooling medium interfacing conveyor, connects by pipe arrangement and cooling medium feeding mechanism.
3. cool rolled-on method in same rail hoof according to claim 1, it is characterized in that: described cooling medium feeding mechanism refers to: the device that gaseous state, liquid state or gas-liquid mixed state cooling and lubricating medium can be provided.
4. same rail Nei Leng Que Trace rolled-on method according to claim 1, it is characterized in that: described inner-cooled elasticity rolls head, be not limited only to be arranged on vertical lathe, also can be arranged on suitable lathe, form the Tong Gui Trace interior cooling rolled-on method can processing Suitable workpieces.
5. cooling rolled-on method in Tong Gui Trace according to claim 1, it is characterized in that: during described maintenance turning, the Tong Gui Trace motion state of workpiece refers to, the valve seat of valve during turning is kept all to fix by Same Way on similar lathe with sealing ring, all not loosely hold Jin Gu Luo Silk, once clamp car, ground two procedures, the state run by same movement parameter and theoretical curve.
6. cooling rolled-on method in Tong Gui Trace according to claim 1, is characterized in that: described metal rolls sealed valve, refers to after cooling rolled-on method processing in Tong Gui Trace of the present invention, the valve that the leakage rate of acquisition is extremely low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510566628.2A CN105215624A (en) | 2015-09-09 | 2015-09-09 | Cooling rolled-on method in Tong Gui Trace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510566628.2A CN105215624A (en) | 2015-09-09 | 2015-09-09 | Cooling rolled-on method in Tong Gui Trace |
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| Publication Number | Publication Date |
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| CN105215624A true CN105215624A (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510566628.2A Pending CN105215624A (en) | 2015-09-09 | 2015-09-09 | Cooling rolled-on method in Tong Gui Trace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425279A (en) * | 2016-12-05 | 2017-02-22 | 陕西科技大学 | Novel rolling head |
| CN113059314A (en) * | 2021-03-23 | 2021-07-02 | 北京理工大学 | Variable angle low temperature lubrication special inner cooling rolling tool |
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| CN1974113A (en) * | 2006-12-01 | 2007-06-06 | 华南理工大学 | Double hydraulic rolling tool with equal rolling force |
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| CN101628378A (en) * | 2009-03-13 | 2010-01-20 | 宁波市精恒凯翔机械有限公司 | Spherical (spherical surface) mirror surface rolling lathe |
| CN102000952A (en) * | 2010-11-11 | 2011-04-06 | 重庆跃进机械厂有限公司 | Processing method of sealing surface of exhaust valve of low-speed diesel engine |
| CN102107359A (en) * | 2010-12-29 | 2011-06-29 | 山东东益机械制造有限公司 | Combined turning rolling device used for processing taper hole |
| CN102166703A (en) * | 2011-05-20 | 2011-08-31 | 兖矿集团有限公司 | Single hydraulic prop head valve hole repairing process |
| CN202087972U (en) * | 2011-05-20 | 2011-12-28 | 万向钱潮（桂林）汽车底盘部件有限公司 | Spherical surface turning and rolling composite device |
| DE102014201869A1 (en) * | 2014-02-03 | 2015-08-06 | Ecoroll Ag Werkzeugtechnik | Aufbohr peeling rolling tool |
| CN205465031U (en) * | 2015-09-09 | 2016-08-17 | 成都华西堂阀门制造有限公司 | Interior cold type elasticity rolls mechanism |
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2015
- 2015-09-09 CN CN201510566628.2A patent/CN105215624A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973319A (en) * | 1973-09-17 | 1976-08-10 | Firma Gebr. Heller | Combined skin or rough turning and smoothing roller tool |
| CN1974113A (en) * | 2006-12-01 | 2007-06-06 | 华南理工大学 | Double hydraulic rolling tool with equal rolling force |
| CN101628378A (en) * | 2009-03-13 | 2010-01-20 | 宁波市精恒凯翔机械有限公司 | Spherical (spherical surface) mirror surface rolling lathe |
| CN101569978A (en) * | 2009-05-05 | 2009-11-04 | 宁波市精恒凯翔机械有限公司 | Mirror surface rolling tool with internal cooling lubricating function |
| CN102000952A (en) * | 2010-11-11 | 2011-04-06 | 重庆跃进机械厂有限公司 | Processing method of sealing surface of exhaust valve of low-speed diesel engine |
| CN102107359A (en) * | 2010-12-29 | 2011-06-29 | 山东东益机械制造有限公司 | Combined turning rolling device used for processing taper hole |
| CN102166703A (en) * | 2011-05-20 | 2011-08-31 | 兖矿集团有限公司 | Single hydraulic prop head valve hole repairing process |
| CN202087972U (en) * | 2011-05-20 | 2011-12-28 | 万向钱潮（桂林）汽车底盘部件有限公司 | Spherical surface turning and rolling composite device |
| DE102014201869A1 (en) * | 2014-02-03 | 2015-08-06 | Ecoroll Ag Werkzeugtechnik | Aufbohr peeling rolling tool |
| CN205465031U (en) * | 2015-09-09 | 2016-08-17 | 成都华西堂阀门制造有限公司 | Interior cold type elasticity rolls mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425279A (en) * | 2016-12-05 | 2017-02-22 | 陕西科技大学 | Novel rolling head |
| CN113059314A (en) * | 2021-03-23 | 2021-07-02 | 北京理工大学 | Variable angle low temperature lubrication special inner cooling rolling tool |
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