CN102962769B - Flat surface grinding fixture and process the method for semi-circular pump swash plate - Google Patents
Flat surface grinding fixture and process the method for semi-circular pump swash plate Download PDFInfo
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- CN102962769B CN102962769B CN201210419381.8A CN201210419381A CN102962769B CN 102962769 B CN102962769 B CN 102962769B CN 201210419381 A CN201210419381 A CN 201210419381A CN 102962769 B CN102962769 B CN 102962769B
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- flat surface
- surface grinding
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- Reciprocating Pumps (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to a kind of flat surface grinding fixture and process the method for semi-circular pump swash plate, this flat surface grinding fixture comprise clamp body, for compress treat flat surface grinding part hold-down mechanism, be arranged on alignment pin on clamp body and screw; Treat that flat surface grinding part is positioned by alignment pin and clamp body, be fixedly connected with clamp body by screw; Treat that flat surface grinding part comprises and treat flat surface grinding; Hold-down mechanism is compressed on the side for the treatment of flat surface grinding part and is fixedly connected with clamp body.The invention provides a kind of simplify adjustment process, Set and Positioning reliable and stable and reduce piece surface roughness flat surface grinding fixture and process the method for semi-circular pump swash plate.
Description
Technical field
The invention belongs to Machining Technology field, relate to a kind of mill clamps, particularly relate to a kind of flat surface grinding fixture and process the method for semi-circular pump swash plate.
Background technology
Semi-circular pump swash plate (shown in Figure 1) adopts built-up jig, built-up jig grinding plane, and grinding plane clamping is loaded down with trivial details, needs the X of centering plane, Y-direction before processing, and ensure the plane of part and the axis being parallel in outer garden, working (machining) efficiency is low.
Summary of the invention
In order to solve the above-mentioned technical problem existed in background technology, the invention provides a kind of simplify adjustment process, Set and Positioning reliable and stable and reduce piece surface roughness flat surface grinding fixture and process the method for semi-circular pump swash plate.
Technical solution of the present invention is: the invention provides a kind of flat surface grinding fixture, its special character is: described flat surface grinding fixture comprise clamp body, for compress treat flat surface grinding part hold-down mechanism, be arranged on alignment pin on clamp body and screw; Treat that flat surface grinding part is positioned by alignment pin and clamp body, be fixedly connected with clamp body by screw; Treat that flat surface grinding part comprises and treat flat surface grinding; Described hold-down mechanism is compressed on the side for the treatment of flat surface grinding part and is fixedly connected with clamp body.
Above-mentioned hold-down mechanism comprises pillar, pressing plate, briquetting and housing screw; Described briquetting only leans against on the part of flat surface grinding; Described pillar is two; Described two pillars are connected by screw on clamp body; Described pressing plate is fixedly connected with two pillars; Described housing screw through pressing plate apical grafting on briquetting.
Above-mentioned flat surface grinding fixture also comprises being arranged on to be treated on the part of flat surface grinding for adjusting the adjustable supporting mechanism of the WidFin treating flat surface grinding X-direction.
Above-mentioned adjustable supporting mechanism comprises back-up block, adjustment nail and locking adjustment nail; Described locking adjustment nail is connected with clamp body by screw thread, and for regulating the lifting of adjustment nail, adjustment nail drives back-up block lifting, then adjustment nail is pinned with locking nut, described back-up block only leans against the lower end for the treatment of flat surface grinding part, for overcoming the sagging that part produces due to cantilever and gravity factor.
Above-mentioned back-up block with treat that the face that flat surface grinding part contacts is suitable.
Above-mentioned alignment pin comprises one or more rhombus pin and/or straight pin.
A method for the semi-circular pump swash plate of processing based on above-mentioned flat surface grinding fixture, its special character is: the method for the semi-circular pump swash plate of described processing comprises the following steps:
1) semicylinder part is obtained;
2) dowel hole for locating and the screwed hole for straining part is offered respectively in the length both ends of the surface of semicylinder part; The both ends of the surface of described semicylinder part, dowel hole and screw hole are provided with Tolerance of Degree of position requirement;
3) with the both ends of the surface of semicylinder part and dowel hole for benchmark, utilize the screwed hole on semicylinder part to be connected with above-mentioned flat surface grinding fixture by part;
4) with end face, dowel hole for benchmark, utilize the screwed hole on semicylinder part to be connected with flat surface grinding fixture by semicylinder part, the other end uses adjustable supporting block supports, uses hold-down mechanism compressing component; To semicircle large end face Milling Process on Digit Control Machine Tool, to the processing of the hole system on end face, type groove and curved surface on Digit Control Machine Tool; Surface grinding machine carries out grinding to the large plane of semicircle.
Above-mentioned steps 1) in the acquisition pattern of semicylinder part be the semicylinder part that the semicylinder part that obtained from centre cutting, forging method by cylindrical parts and/or method for casting are obtained.
The processing method of above-mentioned semi-circular pump swash plate also comprises:
In step 1)-step 4) described processing method various process in add heat treatment, surface treatment and/or traditional machining processes such as surface coating etc.
Advantage of the present invention is:
The invention provides a kind of flat surface grinding fixture and process the method for semi-circular pump swash plate, use special tooling grinding plane, the adjustment process of part can be simplified, Set and Positioning is reliable and stable, the detent mechanism of dependence fixture ensures the X of plane, Y-direction is horizontal, the manufacture quantity of special tooling is increased to 2 ~ 3 covers, just can realize time processing 2 ~ 3 parts, improve working (machining) efficiency.Use this process, thoroughly solve the milling of semicylinder part, grinding clamping regulation time long, clamping is unstable, the inefficient problem of process, the large plane roughness Ra 0.1 of semicylinder, the crudy of flatness 0.005, and the qualification rate of part reaches more than 90%, meets the requirement of design drawing completely.
Accompanying drawing explanation
Fig. 1 is the structural representation of semi-circular pump swash plate to be processed;
Fig. 2 is that flat surface grinding provided by the present invention fixture is at using state reference diagram;
Fig. 3 is flat surface grinding provided by the present invention fixture second using state reference diagram;
Fig. 4 be the present invention improve after the part direction view cross sectional representation that is located by connecting of to be processed semi-circular pump swash plate;
Wherein:
11-clamp body, 12-pillar, 13-pressing plate, 14-briquetting, 15-back-up block, 16-adjust nail, 17-screw, 18-packing ring, 19-rhombus pin, 20-straight pin, 21-housing screw, 22-nut M12,23-part to be processed, 24-screwed hole; 25-dowel hole.
Detailed description of the invention
The invention provides a kind of flat surface grinding fixture, this flat surface grinding fixture comprise clamp body, for compress treat flat surface grinding part hold-down mechanism, be arranged on alignment pin on clamp body and screw; Treat that flat surface grinding part is positioned by alignment pin and clamp body, be fixedly connected with clamp body by screw; Treat that flat surface grinding part comprises and treat flat surface grinding; Hold-down mechanism be compressed on treat flat surface grinding part end face on and be fixedly connected with clamp body; Hold-down mechanism comprises pillar, pressing plate, briquetting and housing screw; Pressing plate be arranged on treat flat surface grinding part treat on flat surface grinding; Pillar is connected with clamp body by screw thread, and the compression strong point of a pressing plate as part to be processed propped up by two pillars, and the screw on pressing plate transmits thrust by screwing to briquetting, part to be processed is clamped to the end of pressing plate; After housing screw is fixedly connected with pillar by briquetting with treat flat surface grinding part fixed clamp.Alignment pin can be one or more rhombus pin and/or straight pin.
Meanwhile, flat surface grinding provided by the present invention fixture also comprise arrange compress end near adjustable supporting mechanism with treat flat surface grinding adjustable supporting mechanism, adjustable supporting mechanism comprise back-up block, adjustment nail and fixed adjustment nail locking nut; Back-up block plays the effect supporting part to be processed, by adjustment adjustment nail, part to be processed is horizontal, with hold-down nut locking adjustment nail.Adjustment nail is arranged on hold-down nut; Back-up block only leans against treats flat surface grinding part, for overcoming the sagging that part produces due to cantilever and gravity factor; Back-up block with treat that the face that flat surface grinding part contacts is suitable.
See Fig. 2 and Fig. 3, clamp body 11 provided by the present invention installs a straight pin 20 and rhombus pin 19, clamp body 11 is with rhombus pin 19, straight pin 20 is located through screw 17, packing ring 18 is connected with the screwed hole 24 (shown in Figure 4) of part 23 to be processed, part 23 to be processed is made to be fixed on clamp body 11, due to part 23 arm length to be processed, increase by support fast 15 at the other end of part 23 to be processed, the adjustable supporting mechanism that adjustment nail 16 and nut 22 form, regulate adjustment nail 16 that the machined surface of part 23 to be processed is horizontal, use pressing plate 13 again, pillar 12, the hold-down mechanism that briquetting 14 and housing screw 21 form compresses part 23 to be processed.Clamp body part 11 is adsorbed on the workbench of grinding machine, and adjustment machine tool travel, can come and go grinding plane.
Specific works mode of the present invention is:
1) by semicylinder part that any way obtains: the semicylinder part that the semicylinder part that cylindrical parts obtains from centre cutting, forging method, method for casting obtain.
2) two dowel holes and two tension part screwed holes are done, as figure tri-in the length both ends of the surface of semicylinder.In order to ensure that location is reliable, clamping is stablized, and end face, dowel hole, screw hole is provided with Tolerance of Degree of position requirement.The bottom outlet that these two dowel holes and tension part screwed hole can be part process also can be the fabrication hole of part.
3) with end face, two dowel holes 25 for benchmark, utilize two screwed holes on part part and special fixture to be connect, the other end uses adjustable supporting block supports, is screwed promote briquetting and compress part to be processed and then use pressing plate compressing component by screw.Digit Control Machine Tool can complete the processing of the hole system on the Milling Process of semicircle large end face and end face, type groove, curved surface.
4) step 3 is repeated), surface grinding machine can complete the grinding of the large plane of semicircle.
5) use face lapping mill or the large plane of hand lapping semicircle, carry out attrition process again after grinding, roughness Ra 0.1 ~ 0.2 can be obtained, the plane quality of flatness 0.005.
6) in the various combination process of above processing method, add the techniques such as heat treatment, surface treatment and surface coating, just can obtain the satisfactory parts of property indices such as required toughness, wearability, corrosion resistance.
For semicircle class swash plate, first full circle is adopted to process then semicircle processing, the arrangement of twice destressing operation, the process that the procedure arrangement of reparation positioning datum and positioning datum are changed mutually, fixture is relied on to solve semicircle external diameter and the positioning and clamping of the large flat surface grinding of swash plate and the processing method of measurement, the processed and applied of removing ionic nitriding nitride layer, white layer and the overall polishing of part, the processing tasks completing the series parts of semicircle class swash plate of guaranteeing both quality and quantity.Ensure that part semi arch diameter phi 180 (-0.015/-0.045), the designing requirement of the pitch-row size 114 ± 0.015 of flatness tolerance 0.005, two dowel hole of cylindricity tolerance 0.01,186X186.
Claims (7)
1. a flat surface grinding fixture, is characterized in that: described flat surface grinding fixture comprise clamp body, for compress treat flat surface grinding part hold-down mechanism, be arranged on alignment pin on clamp body and screw; Treat that flat surface grinding part is positioned by alignment pin and clamp body, be fixedly connected with clamp body by screw; Treat that flat surface grinding part comprises and treat flat surface grinding; Described hold-down mechanism is compressed on treats treating on flat surface grinding and being fixedly connected with clamp body of flat surface grinding part;
Described hold-down mechanism comprises pillar, pressing plate, briquetting and housing screw; Described briquetting only leans against to be treated on the part of flat surface grinding; Described pillar is two; Described two pillars are connected by screw on clamp body; Described pressing plate is fixedly connected with two pillars; Described housing screw through pressing plate apical grafting on briquetting.
2. flat surface grinding according to claim 1 fixture, is characterized in that: described flat surface grinding fixture also comprises the adjustable supporting mechanism treating the face opposite face residing for flat surface grinding be arranged on treating flat surface grinding part.
3. flat surface grinding according to claim 2 fixture, is characterized in that: described adjustable supporting mechanism comprises the hold-down nut of back-up block, adjustment nail and locking adjustment nail; Described hold-down nut is arranged on adjustment and nails on; Described back-up block only leans against to be treated on the part of flat surface grinding.
4. flat surface grinding according to claim 3 fixture, is characterized in that: described back-up block with treat that the face that flat surface grinding part contacts is suitable.
5. flat surface grinding according to claim 4 fixture, is characterized in that: described alignment pin comprises one or more rhombus pin and/or straight pin.
6. based on a method for the semi-circular pump swash plate of processing of the flat surface grinding fixture described in the arbitrary claim of claim 1-5, it is characterized in that: the method for the semi-circular pump swash plate of described processing comprises the following steps:
1) semicylinder part is obtained;
2) dowel hole for locating and the screwed hole for straining part is offered respectively in the length both ends of the surface of semicylinder part; Described dowel hole and its place end face are provided with Tolerance of Degree of position requirement, are provided with Tolerance of Degree of position requirement between screw hole and dowel hole;
3) with the both ends of the surface of semicylinder part and dowel hole for benchmark, utilize the screwed hole on semicylinder part to be connected with the flat surface grinding fixture described in the arbitrary claim of claim 1-5 by part;
4) with end face, dowel hole for benchmark, utilize the screwed hole on semicylinder part to be connected with flat surface grinding fixture by semicylinder part, the other end uses adjustable supporting block supports, uses hold-down mechanism compressing component; Digit Control Machine Tool carries out Milling Process to semicircle large end face; Digit Control Machine Tool is processed the hole system on end face, type groove and curved surface; Surface grinding machine carries out grinding to the large plane of semicircle.
7. the method for the semi-circular pump swash plate of processing according to claim 6, is characterized in that: described step 1) in the acquisition pattern of semicylinder part be the semicylinder part that the semicylinder part that obtained from centre cutting, forging method by cylindrical parts and/or casting method are obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210419381.8A CN102962769B (en) | 2012-10-26 | 2012-10-26 | Flat surface grinding fixture and process the method for semi-circular pump swash plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210419381.8A CN102962769B (en) | 2012-10-26 | 2012-10-26 | Flat surface grinding fixture and process the method for semi-circular pump swash plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102962769A CN102962769A (en) | 2013-03-13 |
| CN102962769B true CN102962769B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210419381.8A Active CN102962769B (en) | 2012-10-26 | 2012-10-26 | Flat surface grinding fixture and process the method for semi-circular pump swash plate |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522182B (en) * | 2013-10-10 | 2016-10-05 | 长兴柏成电子有限公司 | A kind of magnet ring grinding fixture |
| CN104476123B (en) * | 2014-11-13 | 2017-02-15 | 中国南方航空工业(集团)有限公司 | Machining method of engine case |
| CN106695259A (en) * | 2017-01-04 | 2017-05-24 | 青岛蓝光晶科新材料有限公司 | Machining method for semicircular target material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201799870U (en) * | 2010-08-05 | 2011-04-20 | 浠水神州轴承制造有限公司 | Bearing outer ring tooling clamp |
| CN201863113U (en) * | 2010-11-25 | 2011-06-15 | 杭州海胜制冷设备有限公司 | Honing fixture |
| CN102581760A (en) * | 2012-03-13 | 2012-07-18 | 苏州麦德尔机械有限公司 | Heart-shaped fixture |
| CN202344390U (en) * | 2011-12-15 | 2012-07-25 | 扬州恒德模具有限公司 | Grinding fixture of large-sized punch of numerical control punching machine |
| CN102672604A (en) * | 2012-04-28 | 2012-09-19 | 苏州雅尔塑业科技有限公司 | Internal rounding fixture |
-
2012
- 2012-10-26 CN CN201210419381.8A patent/CN102962769B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201799870U (en) * | 2010-08-05 | 2011-04-20 | 浠水神州轴承制造有限公司 | Bearing outer ring tooling clamp |
| CN201863113U (en) * | 2010-11-25 | 2011-06-15 | 杭州海胜制冷设备有限公司 | Honing fixture |
| CN202344390U (en) * | 2011-12-15 | 2012-07-25 | 扬州恒德模具有限公司 | Grinding fixture of large-sized punch of numerical control punching machine |
| CN102581760A (en) * | 2012-03-13 | 2012-07-18 | 苏州麦德尔机械有限公司 | Heart-shaped fixture |
| CN102672604A (en) * | 2012-04-28 | 2012-09-19 | 苏州雅尔塑业科技有限公司 | Internal rounding fixture |
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| CN102962769A (en) | 2013-03-13 |
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