CN102699641A - Method for processing bush of curve step - Google Patents
Method for processing bush of curve step Download PDFInfo
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- CN102699641A CN102699641A CN2012102241361A CN201210224136A CN102699641A CN 102699641 A CN102699641 A CN 102699641A CN 2012102241361 A CN2012102241361 A CN 2012102241361A CN 201210224136 A CN201210224136 A CN 201210224136A CN 102699641 A CN102699641 A CN 102699641A
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- lining
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- curved surface
- punching
- progressive die
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Abstract
The invention provides a method for processing a bush of a curve step. The method comprises the steps of: 1) putting bush material into a progressive die to finish oil groove punching, trimming and punching, pressing chamfer, fine trimming and stamping hasp; 2) carrying out U-shaped and round shaping; 3) finally precisely grinding an excircle. According to the method disclosed by the invention, the processing of a plurality of bush materials can be finished in one work procedure by adopting the progressive die; the processing of the curve step is finished by a trimming procedure of the progressive die; machining of the conventional curve step through a numerically-controlled machine tool is saved; the processing step is saved; the production efficiency is improved; and the symmetry of an oil tank and a punched hole is ensured at the same time by punching the oil tank and punching the hole through the progressive die, and the production quality of the bush is also improved.
Description
Technical field
The present invention relates to a kind of lining processing method, particularly relate to a kind of processing method of curved surface step lining.
Background technology
The automobile engine sliding bearing mainly comprises bearing shell, lining, flange watt and thrust plate.Lining is as the strength member of automobile engine, and its performance quality directly influences the performance of automobile engine.The committed step that is processed into the lining quality assurance of lining, traditional lining are that cylindric its processing is fairly simple.
Disclose a kind of processing method of lining like Chinese patent CN101979889A, it mainly may further comprise the steps: (1) blanking; (2) towards hasp; (3) towards U-shaped; (4) full circle; (5) finishing circle; (6) cylindrical grinding; (7) the flexible one procedure of crossing is pushed completion in circle in the boring, and step (5) finishing circle, (6) cylindrical grinding, (7) boring, to form needed surface roughness of lining and wall thickness.
Above-mentioned processing method is applicable to columned common lining; But upgrading along with automobile engine; In order to practice thrift the internal volume of engine, many linings are designed to curved surface step (see figure 1), and above-mentioned processing method need increase the procedure of processing of corresponding curved surface step.At present, the processing technology of curved surface step lining is: the hasp that falls → stamp an embosed seal → towards oil groove → curved two → towards the U type, dash exterior angle → brills oilhole in circle shapings → car two planar inverted → through Digit Control Machine Tool process finish grind outside round surface step (see figure 2).The processing method operation of this curved surface step lining is many, and the process-cycle is long, the particularly digital control processing of curved surface step, and a machining center per tour can only be processed 60, and client's order requirements has been satisfied not in only suitable exemplar and small lot batch manufacture.And quality is unstable, and the easy partial center of oil groove causes to be scrapped.Therefore, need a kind of new processing method to guarantee the quality of production of curved surface step lining, and improve process velocity.
Summary of the invention
The shortcoming of prior art in view of the above the object of the present invention is to provide a kind of processing method of curved surface step lining, is used for solving the prior art long processing time, does not can manufacture, the problem of unstable product quality.
Be to realize above-mentioned purpose and other relevant purposes, the present invention provides a kind of processing method of curved surface step lining, and it may further comprise the steps: 1) the lining material is placed and accomplish towards oil groove, edge-cutting and hole-punching in the progressive die, overwhelm angle, finish trimming and the hasp that falls; 2) carry out towards U-shaped again, dash the circle shaping; 3) finish grind cylindrical at last.
Preferably; Progressive die comprises upper die and lower die; In the progressive die by lining material direction of feed be divided into towards the oil groove processing district successively, the edge-cutting and hole-punching district, overwhelm angular region, finish trimming district, the hasp district that falls, each regional correspondence is provided with the punch that links to each other with patrix, the die that links to each other with counterdie.
Preferably, the working width size of the corresponding punch in said finish trimming district, die is less than shaping lining width dimensions.
Preferably, when finish trimming, the width that said progressive die processing lining material two ends form is than the little 0.5mm-1.5mm of width at shaping lining two ends.
Preferably, when finish trimming, the little 1.5-2.5mm of lining overall width of lining total-width ratio shaping lining punching place of said progressive die processing punching place.
Preferably, said overwhelm the corresponding punch in angular region towards the oil groove place, all the chamfer dimesion than product shaping backlash oil groove place, hasp place is big for the chamfer dimesion at hasp place.
As stated; The processing method of curved surface step lining of the present invention; Have following beneficial effect: the present invention adopts progressive die to accomplish the processing of an operation of multi-disc lining material simultaneously, and passes through the processing of the side cut operation completion curved surface step of progressive die, and saving traditional curved surface step need be through Digit Control Machine Tool processing; Saved procedure of processing, enhanced productivity; Guarantee the symmetry of oil groove, punching through progressive die towards oil groove and punching simultaneously, improved the quality of production of lining.
Description of drawings
Fig. 1 is shown as the structural representation of curved surface step lining.
Fig. 2 is shown as the process flow diagram of the production curved surface step lining of prior art.
Fig. 3 is shown as the concrete steps figure of the processing method of curved surface step lining of the present invention.
Fig. 4 is shown as the vertical view of said progressive die of the present invention.
Fig. 5 is shown as the side view of said progressive die of the present invention.
Fig. 6 is shown as the width expanded view after curved surface step lining is shaped.
Fig. 7 is shown as the chamfering expanded view after curved surface step lining is shaped.
The element numbers explanation
1 patrix
2 counterdies
3 towards the oil groove processing district
31 towards the oil groove punch
4,5 edge-cutting and hole-punching districts
41 side cut punch
42 trim dies
51 piercing punches
52 punching concave die
6 overwhelm the angular region
61 outer chamfering punch
Chamfering punch in 62
7 finish trimming districts
71 finish trimming punch
72 finish trimming dies
The 8 hasp districts that fall
81 hasp punch
82 hasp dies
The specific embodiment
Below through specific instantiation embodiment of the present invention is described, those skilled in the art can understand other advantages of the present invention and effect easily by the content that this specification disclosed.The present invention can also implement or use through the other different specific embodiment, and each item details in this specification also can be based on different viewpoints and application, carries out various modifications or change under the spirit of the present invention not deviating from.
See also Fig. 3 to Fig. 7.Notice; The appended graphic structure that illustrates of this specification, ratio, size etc.; All only in order to cooperate the content that specification disclosed, understanding and reading for being familiar with this technological personage, is not in order to limit the enforceable qualifications of the present invention; Event is the technical essential meaning of tool not; The adjustment of the modification of any structure, the change of proportionate relationship or size not influencing under effect that the present invention can produce and the purpose that can reach, all should still drop on disclosed technology contents and get in the scope that can contain.Simultaneously; Quoted in this specification as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc.; Also be merely be convenient to narrate clear, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment; Under no essence change technology contents, when also being regarded as the enforceable category of the present invention.
As shown in Figure 3, the present invention provides a kind of processing method of curved surface step lining, and it may further comprise the steps: 1) the lining material is placed in the progressive die and accomplish towards oil groove, edge-cutting and hole-punching, overwhelm angle, finish trimming and the hasp that falls; 2) carry out towards U-shaped again, dash the circle shaping; 3) finish grind cylindrical at last.The present invention adopts progressive die to accomplish the processing of an operation of multi-disc lining material simultaneously; And the finish trimming operation of passing through progressive die is accomplished the processing of curved surface step; Saving traditional curved surface step need be through Digit Control Machine Tool processing, and the present invention has saved procedure of processing, enhances productivity; Guarantee the symmetry of oil groove, punching through mould towards oil groove and punching simultaneously, improved the quality of production of lining.
Like Fig. 4 and shown in Figure 5; Above-mentioned steps 1) progressive die in comprises patrix 1 and counterdie 2; In the progressive die by lining material direction of feed be divided into towards oil groove processing district 3 successively, edge-cutting and hole-punching district 4,5, overwhelm angular region 6, finish trimming district 7, the hasp district 8 that falls, each regional correspondence is provided with the punch that links to each other with patrix, the die that links to each other with counterdie.Corresponding patrix towards oil groove processing district 3 is provided with two oil groove punch 31, guarantees that the oil groove of going out does not depart from the center, has improved the lining quality.The patrix in corresponding edge-cutting and hole-punching district 4,5 is provided with side cut punch 41, piercing punch 51, and counterdie is provided with the trim die 42 corresponding with the punch 41 of cutting edge, the punching concave die 52 corresponding with piercing punch 51; The patrix that correspondence overwhelms angular region 6 is provided with interior chamfering punch 61, and counterdie is provided with outer chamfering punch 62.The patrix in corresponding finish trimming district 7 is provided with finish trimming punch 71; Counterdie is provided with the finish trimming die 72 corresponding with finish trimming punch 71; On the lining material, be processed to form the curved surface step through side cut and finish trimming, save the step of traditional Digit Control Machine Tool processing curve step.The fall patrix in hasp district 8 of correspondence is provided with hasp punch 81, and counterdie is provided with hasp die 82.This progressive die can be accomplished the processing of the corresponding operation of a plurality of lining material, can produce in batches, has improved production efficiency.
Add man-hour, the lining material is sent into through pay-off on the feed lead rail of progressive die, gets into next processing district successively through the material pusher then, when starting progressive die, can accomplish the processing of a plurality of lining material of a plurality of operations, has saved process time, enhances productivity.This progressive die can be realized towards oil groove, edge-cutting and hole-punching, overwhelm angle, finish trimming and the hasp that falls; The position of each operation is set through strictness; And the feed speed of lining material, and each lining material can be guaranteed the crudy of lining in the location of each processing district.
In step 1), progressive die can also be provided with the district 9 that stamps an embosed seal, and accomplishes adding a cover of steel seal, and the district that stamps an embosed seal can be arranged on and overwhelm 7 in angular region 6, finish trimming district.Step 2) and step 3) can adopt processing technology of the prior art, therefore, the present invention accomplishes a plurality of operations in progressive die, can produce in batches, satisfies the demand of amount; Simultaneously, during towards oil groove through guaranteed towards being provided with of oil groove punch oil groove to centrad, avoid oil groove to depart from the center, improved product quality.
For improving the crudy of lining, the finish trimming punch of above-mentioned finish trimming district correspondence, the working width size of finish trimming die are less than shaping lining width dimensions.As shown in Figure 6; Lining expanded view after the shaping; Because the lining material is after being shaped through overshoot U type, towards circle; The size meeting broadening of the big end A of lining material and small end B, C; Therefore when finish trimming, the width that above-mentioned progressive die processing lining material two ends form should little 0.5mm-1.5mm than the width at shaping lining two ends, and promptly the lining width that is processed at finish trimming die and finish trimming punch corresponding A, B, C three places is than the little 0.5mm-1.5mm of width at corresponding three places of shaping lining; Particularly in punching width D on every side, the lining overall width of punching place that finish trimming die and finish trimming punch are processed to form is than the little 1.5-2.5mm of corresponding lining overall width of shaping lining punching place.Through to the die in finish trimming district, the structure setting of punch, guaranteed the needs of lining shaping width, improve the quality of lining.
The lining sheet stock is after being shaped through overshoot U type, towards circle; The distortion of inside and outside chamfering is uneven; Near near hasp be among Fig. 7 E district and oil groove place be the chamfering in F district among Fig. 7 behind the correct grinding cylindrical, can become little, therefore outer chamfering punch 61, interior chamfering punch 62 towards the oil groove place, all the chamfer dimesion than product shaping backlash oil groove place, hasp place is big for the chamfer dimesion at hasp place.Through overwhelming the punch setting of angular region, so that guarantee the quality of production of lining.
In sum, the processing method of curved surface step lining of the present invention, manufacturing procedure is few, saves the step of traditional digital control processing curved surface step, has improved production efficiency, has guaranteed the quality of production simultaneously.So the present invention has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any be familiar with this technological personage all can be under spirit of the present invention and category, the foregoing description is modified or is changed.Therefore, have common knowledge the knowledgeable in the affiliated such as technical field, must contain by claim of the present invention not breaking away from all equivalence modifications of being accomplished under disclosed spirit and the technological thought or changing.
Claims (6)
1. the processing method of a curved surface step lining is characterized in that, the processing method of said curved surface step lining may further comprise the steps:
1) the lining material is placed in the progressive die accomplishes towards oil groove, edge-cutting and hole-punching, overwhelms angle, finish trimming and the hasp that falls;
2) carry out towards U-shaped again, dash the circle shaping;
3) finish grind cylindrical at last.
2. the processing method of curved surface step lining according to claim 1; It is characterized in that: said progressive die comprises upper die and lower die; In the progressive die by lining material direction of feed be divided into towards the oil groove processing district successively, the edge-cutting and hole-punching district, overwhelm angular region, finish trimming district, the hasp district that falls, each regional correspondence is provided with the punch that links to each other with patrix, the die that links to each other with counterdie.
3. the processing method of curved surface step lining according to claim 2 is characterized in that: the punch of said finish trimming district correspondence, the working width size of die are less than shaping lining width dimensions.
4. the processing method of curved surface step lining according to claim 3 is characterized in that: when finish trimming, the width that said progressive die processing lining material two ends form is than the little 0.5mm-1.5mm of width at shaping lining two ends.
5. the processing method of curved surface step lining according to claim 3 is characterized in that: when finish trimming, and the little 1.5-2.5mm of lining overall width of lining total-width ratio shaping lining punching place of said progressive die processing punching place.
6. the processing method of curved surface step lining according to claim 1 is characterized in that: said overwhelm the corresponding punch in angular region towards the oil groove place, all the chamfer dimesion than product shaping backlash oil groove place, hasp place is big for the chamfer dimesion at hasp place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224136.1A CN102699641B (en) | 2012-06-29 | 2012-06-29 | The processing method of bush of curve step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224136.1A CN102699641B (en) | 2012-06-29 | 2012-06-29 | The processing method of bush of curve step |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102699641A true CN102699641A (en) | 2012-10-03 |
| CN102699641B CN102699641B (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210224136.1A Active CN102699641B (en) | 2012-06-29 | 2012-06-29 | The processing method of bush of curve step |
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| Country | Link |
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| CN (1) | CN102699641B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227357A (en) * | 2014-09-10 | 2014-12-24 | 烟台东泽汽车零部件有限公司 | Method for machining special-shaped end surface profile and chamfer of sliding bearing rolling shaft sleeve |
| CN105690032A (en) * | 2015-10-27 | 2016-06-22 | 怀宁汉升车辆部件有限公司 | Machining process for bimetal bush |
| CN110076239A (en) * | 2019-05-24 | 2019-08-02 | 杭州临安培富机车部件有限公司 | A kind of bush of bush bearing rolls the multistation step-feeding processing method with plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3262299A (en) * | 1962-07-20 | 1966-07-26 | Federal Mogul Bower Bearings | Multiple stage die for sleeve bearings |
| US4907626A (en) * | 1987-06-02 | 1990-03-13 | Daido Metal Company, Ltd. | Wrapped bush having identical joint portions in ends joined at joint |
| GB2229234A (en) * | 1989-03-11 | 1990-09-19 | Glyco Metall Werke | Manufacture of a profiled plain bearing element |
| US6588248B1 (en) * | 1999-02-23 | 2003-07-08 | Ks Gleitlager Gmbh | Wrapped plain bearing bush |
| CN101979889A (en) * | 2010-10-13 | 2011-02-23 | 湖北安达汽车零部件有限公司 | Lining machining method |
-
2012
- 2012-06-29 CN CN201210224136.1A patent/CN102699641B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3262299A (en) * | 1962-07-20 | 1966-07-26 | Federal Mogul Bower Bearings | Multiple stage die for sleeve bearings |
| US4907626A (en) * | 1987-06-02 | 1990-03-13 | Daido Metal Company, Ltd. | Wrapped bush having identical joint portions in ends joined at joint |
| GB2229234A (en) * | 1989-03-11 | 1990-09-19 | Glyco Metall Werke | Manufacture of a profiled plain bearing element |
| US6588248B1 (en) * | 1999-02-23 | 2003-07-08 | Ks Gleitlager Gmbh | Wrapped plain bearing bush |
| CN101979889A (en) * | 2010-10-13 | 2011-02-23 | 湖北安达汽车零部件有限公司 | Lining machining method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227357A (en) * | 2014-09-10 | 2014-12-24 | 烟台东泽汽车零部件有限公司 | Method for machining special-shaped end surface profile and chamfer of sliding bearing rolling shaft sleeve |
| CN105690032A (en) * | 2015-10-27 | 2016-06-22 | 怀宁汉升车辆部件有限公司 | Machining process for bimetal bush |
| CN110076239A (en) * | 2019-05-24 | 2019-08-02 | 杭州临安培富机车部件有限公司 | A kind of bush of bush bearing rolls the multistation step-feeding processing method with plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102699641B (en) | 2015-10-28 |
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