CN102744671A - Perfect cylindrical hole honing head device and structure method thereof - Google Patents
Perfect cylindrical hole honing head device and structure method thereof Download PDFInfo
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- CN102744671A CN102744671A CN2012102542212A CN201210254221A CN102744671A CN 102744671 A CN102744671 A CN 102744671A CN 2012102542212 A CN2012102542212 A CN 2012102542212A CN 201210254221 A CN201210254221 A CN 201210254221A CN 102744671 A CN102744671 A CN 102744671A
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Abstract
The invention relates to a perfect cylindrical hole honing head device and a structure method thereof. The device comprises a hollow cylindrical structure, a honing head rack, a feeding rod, oilstone bases and oilstones, base holes are peripherally and alternately arranged on the honing head rack in a staggered manner, the feeding rod is disposed in the center of the honing rack, the oilstone bases are mounted in the base holes, and the oilstones are fixed onto the oilstone bases. The structure method includes computing lengths of honing head stroke ranges and lengths of the oilstones which correspond to various curves; computing mutual position relation among the oilstones; and designing and manufacturing the honing head device with the oilstone distribution meeting a result of the last step. The distribution of the oilstones and acting areas of the oilstones are adjusted, and effects that tracks of grains are generally distributed uniformly and honing quantity of wall materials of the cylinder hole tends to be uniform are achieved.
Description
Technical field
The present invention relates to a kind of honing technique that improves cylinder hole cylindricity improves one's methods and the honing mandrel construction device; Especially relate to a kind of the distribution and have defective to existing honing head movement locus; Adopt the oilstone bar structure that is dislocatedly distributed; Realize the even distribution of oilstone honing track, thereby improve the process control method and the device of cylinder hole machining accuracy.
Background technology
In the engine manufacturing process, honing processing is most important one procedure, in order to the precision index that guarantees that the cylinder Kongzui is whole.Loading honing stone on the honing head, driving oilstone during honing and constantly back and forth rotate, thus accurate excision cylindrical hole material.Therefore structure, the exercise performance of honing head will have a direct impact honing precision.
The honing head that present engine production producer is adopted is that many oilstones are parallel to the bistrique axis direction, is evenly distributed on identical angle on the circumference of honing head.This symmetrical structure can guarantee that the suffered in the course of the work power of honing head is symmetrically distributed, thereby avoids vibrating the influence to machining accuracy that brings.
Yet the movement locus of abrasive particle distributes and directly determines the removal situation of cylinder hole surface material on the oilstone, and track distributes close more, and material is removed manyly more; Track distributes rare more, and material is removed fewly more.Change the honing track; Mainly be to realize by adjustment bistrique kinematic parameter; But in the kinematic parameter of bistrique, reciprocating speed and rotary speed can only change the track of abrasive particle along the distribution on cylinder hole circle week, and this is because the reciprocating speed of bistrique and rotary speed change; Can cause the variation of the bistrique rotatable phase angle θ in the bistrique oscillation cycle, thereby change the abrasive particle track along the distributing homogeneity on cylinder hole circle week; The lower extreme point time of staying also can only change in the end portion zone, cylinder hole by the degree of honing except changing phase angle θ; The upper and lower side amount of overrun is when changing phase angle θ; Can also change the distribution situation of abrasive particle track on the axial direction of cylinder hole; When the surpassed distance up and down of oilstone when two ends all exceed the cylinder hole up and down in the cylinder hole more than or equal to the length of oilstone-the be oilstone on the bistrique; The abrasive particle track distributes just meeting evenly on the height of whole cylinder hole, and this is impossible in the actual production.Therefore the abrasive particle track is to improve through regulating the bistrique kinematic parameter along the inhomogeneities that distributes on the short transverse of cylinder hole.The inhomogeneities defective that this abrasive particle track is distributed is referred to as the principle defective in the honing process.
Through the literature search of prior art is found, all do not relate to a kind ofly from the research of abrasive particle trajectory reconstruction, be used to improve the grinding wheel head structure and the method for designing of honing principle defective.For example " major diameter honing head " (referring to Chinese invention patent, publication number CN201872070A) relates to a kind of grinding wheel head structure that is used for large diameter hole; " multi-functional honing head " (referring to Chinese invention patent, publication number CN101758450A) relates to and a kind ofly only makes workpiece to be machined through directly processing the surface of high accuracy, high surface roughness after the turning with a honing head; " Collapsible honing head,, (referring to Chinese invention patent, publication number CN101633148A), relate to a kind of be used to process have width greater than the groove of wall scroll oilstone or the workpiece of breach.
Summary of the invention
The object of the invention is exactly to provide a kind of to reach whole abrasive particle track and be evenly distributed in order to overcome the defective that above-mentioned prior art exists, and can realize that the cylinder wall surface of the hole material honing amount of grinding off is tending towards the desirable cylindrical hole honing head device and the building method thereof of effect of uniform.
The object of the invention can be realized through following technical scheme:
A kind of desirable cylindrical hole honing head device, this device comprises:
The bistrique frame: hollow cylindrical-shaped structure, circumferentially alternately dislocation offers the pedestal hole;
Feed bar: the center that is located at the bistrique frame;
Oilstone pedestal: be installed in the pedestal hole;
Oilstone: be fixed on the oilstone pedestal.
Described pedestal hole offers two rows, and adjacent pedestal hole is for being staggered up and down.
Described feed bar is conical structure.
Described oilstone pedestal can slide along the gathering sill in pedestal hole.
Described oilstone pedestal is a wedge, and the inboard inclined-plane and the conical surface of feed bar fit.
Described oilstone is an emery stick.
A kind of building method of desirable cylindrical hole honing head device may further comprise the steps:
The first step is utilized existing grinding equipment, the track in the reconstruct honing process;
Second step, along the cylinder hole axially get a section, statistics drawing abrasive particle track distribution curve on this section;
In the 3rd step, other paints the distribution curve in many step 2, along abscissa be the cylinder hole axially respectively the center of these curves is moved on to the appropriate location, change the oilstone stroke; While is along the effect width of flexible each the bar distribution curve of abscissa, the oilstone length of change;
The 4th step calculated the bistrique travel range of each curve correspondence in the step 3 and the length of oilstone respectively, calculated the mutual alignment relation between each bar oilstone;
In the 5th step,, design and manufacture the honing head device of the oilstone distribution of satisfying this result according to the result of calculation of step 4.
The cylindricity in described cylinder hole and circularity are by honing head device structure and movement locus decision.
Compared with prior art, honing head of the present invention proposes a kind of method of improving abrasive particle track skewness on the short transverse of cylinder hole to the manufacturing deficiency that exists in the existing honing technique.Through the distribution of adjustment oilstone, regulate each oilstone bar effect zone, reach whole abrasive particle track and be evenly distributed, can realize that the cylinder wall surface of the hole material honing amount of grinding off is tending towards effect of uniform, specifically comprises following advantage:
One, improved the deficiency of existing honing head: the oilstone bar is the emery stick of elongated strip on the existing honing head, be parallel to the honing head axis and distribute, so there is the difference on the height in the locus of abrasive particle on the emery stick.Method based on the abrasive particle trajectory reconstruction can be known; Difference on this height between abrasive particle has caused the zone of action of each abrasive particle in the honing process along the difference that distributes on the short transverse of hole; The zone of action of each abrasive particle does not overlap on the short transverse of hole; The present invention is based on the inhomogeneity honing mandrel construction design concept of abrasive particle track, the method that adopts the oilstone bar to be dislocatedly distributed is improved the phenomenon of abrasive particle track skewness when having honing head work now.
Two, improved working (machining) efficiency: the method that this invention adopts oilstone bar to be dislocatedly distributed, the uniformity that the abrasive particle track distributes when both guaranteeing honing has increased the number of oilstone bar again, makes that machining area increases in the unit interval, thereby has improved working (machining) efficiency.
Description of drawings
Fig. 1 is a main TV structure sketch map of the present invention;
Fig. 2 is a plan structure sketch map of the present invention;
Fig. 3 be among Fig. 2 A-A to the sectional structure sketch map;
Fig. 4 be among Fig. 2 B-B to the sectional structure sketch map;
Fig. 5 is principle schematic of the present invention (i.e. the preceding abrasive particle point of adjustment is axial distribution two-dimensional development figure along the cylinder hole);
Fig. 6 is statistics of actual production data figure (is during axially go up in the cylinder hole three cross section honings processing stock removals) down;
Fig. 7 is track distribution statistics figure (being abrasive particle track distribution curve in the step 2) among the present invention;
Fig. 8 is track distribution method of adjustment figure (be scatter chart in the step 3, get two here) among the present invention;
Fig. 9 is the track zone of action, track adjustment back sketch map among the present invention.
Among the figure: 1-bistrique frame, 2-feed bar, 3-oilstone pedestal, 4-oilstone.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Embodiment
A kind of desirable cylindrical hole honing head device, its structure are shown in Fig. 1-4, and this device comprises bistrique frame 1, feed bar 2, oilstone pedestal 3 and oilstone 4.Wherein, bistrique frame 1 is hollow cylindrical-shaped structure, offers the pedestal hole circumferentially alternately misplacing of bistrique frame 1, and the pedestal hole offers two rows, and adjacent pedestal hole is for being staggered up and down.Feed bar 2 is conical structure, is located at the center of bistrique frame 1.Oilstone pedestal 3 is installed in the pedestal hole, can slide along the gathering sill in pedestal hole.The oilstone pedestal 3 that uses is wedge, and the inboard inclined-plane and the conical surface of feed bar 2 fit.Oilstone 4 is fixed on the oilstone pedestal 3, and the oilstone 4 that uses is emery stick.
Desirable cylindrical hole honing head device adopts following steps when structure: as shown in Figure 5, existing honing mandrel construction track in the course of the work is many in the middle of distributing and being, two ends are few.The zone of action with abrasive particle in the left side of Fig. 5 is divided into three parts; What reflect is tracing point distribution in the radial direction in the cylinder hole of abrasive particle; Wherein has only part abrasive particle process in the zone 1 and regional 3; And to the end face line, the abrasive particle of process reduces successively from center line, in the zone 2 on the oilstone all abrasive particles all pass through.Therefore the track that can know abrasive particle in regional 2 distributes at most, and the track distribution situation of oilstone is that the height center line reduces along both ends of the surface successively from the cylinder hole in the zone 1 and regional 3.Can know also that by the right side on the height of cylinder hole, mid portion abrasive particle tracing point is intensive, dredge and end positions is thinning up and down.
As shown in Figure 6, the stock removal in the actual production on the intermediate cross-section, cylinder hole is big, and the stock removal of upper and lower end face is little.
As shown in Figure 7, on the short transverse of cylinder hole, mid portion oilstone track distributes at most, the zone 2 in this zone corresponding diagram 5, and this part region material clearance must be maximum.More past cylinder hole end surface, abrasive particle track distribute few more, thereby material removal amount diminishes, thus when last honing finishes, according to material removing rate how much predict the cylinder hole shape, then the cylinder hole must appear dolioform-be that median pore radius is big, the aperture, two ends is little.This be since the oilstone bar on abrasive particle along the cylinder hole axial distribution shine; That is to say; When the honing of oilstone bar, the abrasive particle that will inevitably have in the above, the abrasive particle that has is below; Thereby abrasive particle each is different along the zone of moving on the short transverse, countless zones of moving along the abrasive particle that distributes on the short transverse have just formed situation shown in Figure 7 altogether.
As shown in Figure 8; Shown the distribution curve of two oilstone abrasive particle tracing points among the figure, its center does not overlap, and the zone of action 3 of article one oilstone overlaps with the zone of action 1 of second oilstone like this; The tracing point stack of oilstone can make the distributed quantity of abrasive particle track on this zone approaching with zone 2; Improve abrasive particle tracing point skewness on the short transverse of cylinder hole, improve the distribution of cylinder hole surface material removing rate, finally improve the form accuracy in cylinder hole.
As shown in Figure 9, through the Overlay in different oilstone bar effects zone, realize the uniformity that the abrasive particle track distributes on the height of cylinder hole.
According to the length and the relative position of each oilstone bar, calculate and design the honing head device of the oilstone bar distribution of satisfying this result, its final structure is just shown in Fig. 1-4.
Claims (7)
1. desirable cylindrical hole honing head device is characterized in that this device comprises:
The bistrique frame: hollow cylindrical-shaped structure, circumferentially alternately dislocation offers the pedestal hole;
Feed bar: the center that is located at the bistrique frame;
Oilstone pedestal: be installed in the pedestal hole;
Oilstone: be fixed on the oilstone pedestal.
2. a kind of desirable cylindrical hole honing head device according to claim 1 is characterized in that described pedestal hole offers two rows, and adjacent pedestal hole is for being staggered up and down.
3. a kind of desirable cylindrical hole honing head device according to claim 1 is characterized in that described feed bar is conical structure.
4. a kind of desirable cylindrical hole honing head device according to claim 1 is characterized in that, described oilstone pedestal can slide along the gathering sill in pedestal hole.
5. a kind of desirable cylindrical hole honing head device according to claim 1 is characterized in that described oilstone pedestal is a wedge, and the inboard inclined-plane and the conical surface of feed bar fit.
6. a kind of desirable cylindrical hole honing head device according to claim 1 is characterized in that described oilstone is an emery stick.
7. the building method of a desirable cylindrical hole honing head device as claimed in claim 1 is characterized in that, this method may further comprise the steps:
The first step is utilized existing grinding equipment, the track in the reconstruct honing process;
Second step, along the cylinder hole axially get a section, statistics drawing abrasive particle track distribution curve on this section;
In the 3rd step, other paints the distribution curve in many step 2, along abscissa be the cylinder hole axially respectively the center of these curves is moved on to the appropriate location, change the oilstone stroke; While is along the effect width of flexible each the bar distribution curve of abscissa, the oilstone length of change;
The 4th step calculated the bistrique travel range of each curve correspondence in the step 3 and the length of oilstone respectively, calculated the mutual alignment relation between each bar oilstone;
In the 5th step, according to the result of calculation of step 4, structure is met the honing head device of this result's oilstone distribution.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210254221.2A CN102744671B (en) | 2012-07-20 | 2012-07-20 | Perfect cylindrical hole honing head device and structure method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210254221.2A CN102744671B (en) | 2012-07-20 | 2012-07-20 | Perfect cylindrical hole honing head device and structure method thereof |
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| CN102744671A true CN102744671A (en) | 2012-10-24 |
| CN102744671B CN102744671B (en) | 2014-10-15 |
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| CN201210254221.2A Active CN102744671B (en) | 2012-07-20 | 2012-07-20 | Perfect cylindrical hole honing head device and structure method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105246649A (en) * | 2013-03-18 | 2016-01-13 | 埃尔甘-钻石工具有限责任两合公司 | Honing method and honing tool |
| CN109214038A (en) * | 2018-07-09 | 2019-01-15 | 上海交通大学 | A kind of emery stick surface topography emulation mode |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3987591A (en) * | 1976-01-26 | 1976-10-26 | Ex-Cell-O Corporation | Honing tool with reversible body sleeve |
| US4223485A (en) * | 1977-11-03 | 1980-09-23 | S.A. Automobiles Citroen | Lapping tools |
| EP0047652A2 (en) * | 1980-09-10 | 1982-03-17 | Honda Giken Kogyo Kabushiki Kaisha | Honing head |
| US4462189A (en) * | 1981-04-17 | 1984-07-31 | S.A. Automobiles Citroen | Grinding tool with radially shiftable abrasive bars |
| SU1368162A1 (en) * | 1986-05-30 | 1988-01-23 | Одесский Политехнический Институт | Honing head |
-
2012
- 2012-07-20 CN CN201210254221.2A patent/CN102744671B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3987591A (en) * | 1976-01-26 | 1976-10-26 | Ex-Cell-O Corporation | Honing tool with reversible body sleeve |
| US4223485A (en) * | 1977-11-03 | 1980-09-23 | S.A. Automobiles Citroen | Lapping tools |
| EP0047652A2 (en) * | 1980-09-10 | 1982-03-17 | Honda Giken Kogyo Kabushiki Kaisha | Honing head |
| US4462189A (en) * | 1981-04-17 | 1984-07-31 | S.A. Automobiles Citroen | Grinding tool with radially shiftable abrasive bars |
| SU1368162A1 (en) * | 1986-05-30 | 1988-01-23 | Одесский Политехнический Институт | Honing head |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105246649A (en) * | 2013-03-18 | 2016-01-13 | 埃尔甘-钻石工具有限责任两合公司 | Honing method and honing tool |
| CN105246649B (en) * | 2013-03-18 | 2018-01-05 | 埃尔甘-钻石工具有限责任两合公司 | Honing method and hone |
| CN109214038A (en) * | 2018-07-09 | 2019-01-15 | 上海交通大学 | A kind of emery stick surface topography emulation mode |
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|---|---|
| CN102744671B (en) | 2014-10-15 |
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