CN104044026A - Grinding device for intersection of circular conical surface and cylindrical surface of valve opening of pump body of monoblock pump - Google Patents
Grinding device for intersection of circular conical surface and cylindrical surface of valve opening of pump body of monoblock pump Download PDFInfo
- Publication number
- CN104044026A CN104044026A CN201410256039.XA CN201410256039A CN104044026A CN 104044026 A CN104044026 A CN 104044026A CN 201410256039 A CN201410256039 A CN 201410256039A CN 104044026 A CN104044026 A CN 104044026A
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- CN
- China
- Prior art keywords
- valve opening
- grinding
- face
- pump
- guide rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Abstract
The invention discloses a grinding device for intersection of a circular conical surface and a cylindrical surface of a valve opening of a pump body of a monoblock pump. The device is suitable for grinding on the valve opening of the pump body of the monoblock pump with the intersected high-precision circular conical surface and cylindrical surface. Grinding on the circular conical surface and the cylindrical surface of the valve opening of the pump body is realized through one-time clamping, a grinding wheel and a clamp do not need to be replaced, the problem of low coaxial accuracy of center lines of the two surfaces caused by twice clamping is avoided, the conical surface of the grinding wheel is adopted to grind the conical surface of the valve opening of the pump body, and the cylindrical surface of the grinding wheel is adopted to grind the cylindrical surface of the valve opening of the pump body.
Description
Technical field
The present invention relates to a kind of unit pump body valve opening taper seat, the tangent abrasive machining device in the face of cylinder.Be particularly suitable for the grinding of the high accuracy circular conical surface, the crossing unit pump body valve opening in the face of cylinder.
Background technology
Unit pump body valve opening, by taper seat bore area structure in conjunction with form crossing with the face of cylinder, is for the oil-tightening important shape face of monoblock pump high pressure.Taper seat, the face of cylinder must have the center line axiality of high circularity, high surface quality and two shape faces to require very high.Current known processing mode adopts taper seat, the face of cylinder mode that clamping is processed respectively to process, and taper seat utilizes the mode of plunge grinding to process, and needs to carry out secondary clamping in two-step transfer process.This processing mode easily causes larger position error, thereby causes the problem of taper seat, the coaxial low precision of face of cylinder center line, and the loss of plunge grinding tapered wheel easily causes taper surface surface figure accuracy poor soon.The document of consulting at present shows: to not discussed with the one-time positioning of the unit pump body valve opening of the crossing combination in the face of cylinder, the grinding mode of clamping by taper seat, also never adopt the emery wheel of the small-diameter circular conical surface, face of cylinder combination to carry out grinding to the pump valve hole circle conical surface, the face of cylinder, still do not find known collection location, clamping, the pump valve hole circle conical surface being processed as one, the crossing abrasive machining device in the face of cylinder at present.
Summary of the invention
Existingly intersect not high in conjunction with unit pump body valve opening grinding mode precision for taper seat, the face of cylinder in order to solve, can only reach circularity is 0.006mm, taper seat is beated for 0.008mm, and the two axiality is 0.02mm, can not meet the problem of actual needs.The invention provides a kind of location, clamping, abrasive machining device for the crossing unit pump body valve opening of taper seat, the face of cylinder.This device can carry out grinding to taper seat, the crossing unit pump body valve opening in the face of cylinder.By clamped one time, realize the grinding on the pump valve hole circle conical surface, the face of cylinder.
The technical solution that realizes the object of the invention is: unit pump body valve opening abrasive machining device is intersected on taper seat, the face of cylinder.This device is made up of lathe bed (1), Z axis guide rail (2), workpiece spindle slide unit (3), axis system (4), grinding wheel spindle system (5), grinding wheel spindle slide unit (6), X-axis guide rail (7), digital control system.Axis system (4) drives main shaft (10) rotation by variable-frequency motor (8) by driving-belt (9).Clamp body (11) is connected with the male cone (strobilus masculinus) of main shaft (10) front end 1:5 by the inner conical surface of endoporus 1:5, fastening by locating shaft (12).It is upper that axis system (4) is arranged on workpiece spindle slide unit (3), parallel with workpiece spindle slide unit (3) traffic direction.Grinding wheel spindle system (5) is made up of emery wheel (13), pole wheel (14), electric main shaft (15) and grinding wheel spindle support (16), is arranged on grinding wheel spindle slide unit (6) upper, electric main shaft (14) center line and alignment of shafts line parallel and in same level.Grinding wheel spindle slide unit (6) direction of motion and workpiece spindle slide unit (3) direction of motion are perpendicular.The pump housing to be processed, pump housing valve opening is unsymmetric structure relatively, and valve opening position is tetragonal body, and tetragonal body is plane at valve opening two ends, and there is arc fastening structure at two ends in addition, and top is bolt structure, and bottom is ladder column structure.Utilize locating shaft (12) extension to contact with pump housing valve opening locating surface to make the center line of pump housing valve opening and the center line of main shaft (10) to coincide to ensure the axially accurately location of pump housing valve opening in the time of grinding.Clamp body (11) fits with pump valve hole cylindrical side, ensures that pump valve hole end surface and valve opening center line are perpendicular, pressing plate (17), the pump housing and clamp body (11) is fastened as a whole by screw in another valve opening cylindrical side.By bolt, balancing weight (18) is connected with the pump housing, eliminates the inertia force that pump housing asymmetric rotary brings.Utilize the outstanding gulde edge of clamp body (11) end face to drive the pump housing to be rotated around valve opening center line.
In process, first, rely on the taper seat of emery wheel (13) to carry out grinding to the taper seat of pump housing valve opening, Z axis guide rail (2) carries out interpolation interlock with X-axis guide rail (7), complete the grinding of the pump valve hole circle conical surface, then utilize the face of cylinder of emery wheel (13) to carry out grinding to the face of cylinder of valve opening, Z axis guide rail (2) feeding, completes the grinding on the valve opening face of cylinder.
The invention has the beneficial effects as follows: adopt the mode of one-time positioning, clamping by taper seat, the face of cylinder of a secondary program operation processing pump housing valve opening, do not need to change emery wheel, fixture, avoided No. 2 clampings to locate the low problem of the two coaxial precision of shape face center line causing.Simultaneously owing to utilizing the emery wheel conical surface to carry out grinding to the pump housing valve opening conical surface, reduce with respect to the mode that adopts plunge grinding the pump housing valve opening grinding accuracy loss that the loss of emery wheel causes.Improved the grinding accuracy that taper seat, the face of cylinder intersect the pump housing endoporus of combination, and machining reproducibility is good.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is unit pump body valve opening abrasive machining device front view.
Fig. 2 is unit pump body valve opening abrasive machining device left view.
Fig. 3 is unit pump body valve opening abrasive machining device top view.
Fig. 4 is axis system front view.
Fig. 5 is axis system top view.
Fig. 6 is grinding wheel spindle system schematic.
Fig. 7 is clamp body structural representation
Fig. 8 is unit pump body structural representation.
Fig. 9 is unit pump body valve opening structural representation.
Figure 10 is unit pump body valve opening grinding location, clamping schematic diagram.
Figure 11 is grinding wheel structure schematic diagram.
Figure 12 is unit pump body valve opening taper seat grinding schematic diagram.
Figure 13 is unit pump body valve opening face of cylinder grinding schematic diagram.
Figure 14 is unit pump body valve opening grinding flow chart.
1. lathe beds in figure, 2.Z axis rail, 3. workpiece spindle slide unit, 4. axis system, 5. grinding wheel spindle system, 6. grinding wheel spindle slide unit, 7.X axis rail, 8. variable-frequency motor, 9. driving-belt, 10. main shaft, 11. clamp bodies, 12. locating shafts, 13. emery wheels, 14. pole wheels, 15. electric main shafts, 16. grinding wheel spindle supports, 17. pressing plates, 18. balancing weights.
Detailed description of the invention
In Fig. 9, unit pump body valve opening A face is adjacent with D face, is locating surface datum level.B, C are to be processed, and E face is locking face.
In Fig. 7, clamp body (11) I face is that the face of cylinder is coaxial with taper seat, and II face is that plane is vertical with I face, and III is two symmetrical boss.
In Figure 12, clamp body (11) is connected with the male cone (strobilus masculinus) of main shaft (10) front end 1:5 by the inner conical surface of endoporus 1:5, fastening by locating shaft (12).Utilize locating shaft (12) extension to contact with pump housing valve opening A face to make the center line of pump housing valve opening and the center line of main shaft (10) to coincide to ensure the axially accurately location of pump housing valve opening in the time of grinding, clamp body (11) end face II and pump housing D face fit, and ensure that pump valve hole end surface and spindle centerline are perpendicular.Pressing plate (17), the pump housing and clamp body (11) are fastened as a whole by screw in pump housing other end E side.By bolt, balancing weight (18) is connected with the pump housing, eliminates the inertia force that pump housing asymmetric rotary brings.Utilize the outstanding boss III of clamp body (11) end face to drive the pump housing to be rotated around valve opening center line.
Main shaft (10) center line is adjusted to parallel with the direction of workpiece spindle slide unit (3) operation.Electricity main shaft (15) center line is parallel with main shaft (10) center line and in same level.Grinding wheel spindle slide unit (6) direction of motion is vertical with workpiece spindle slide unit (3) direction of motion.
Grinding wheel spindle system (5) adopts 120MD60Y6 type electricity main shaft (15), can be on a large scale adjusting rotary speed.And running accuracy is high.
Emery wheel (13) is bonded to one emery wheel (13) and pole wheel (14) by the emery wheel special glue that bonds.The small-diameter grinding wheel that the diameter that emery wheel (13) adopts is 8mm, top cone angle is 140 °.Material is the 180#CBN emery wheel of ceramic binder, the rest and reorganization number of times that this Wheel hardness is high, wearability can reduce well emery wheel.
Specific operation process:
Start digital control system, unit pump body endoporus A face is connected by locating shaft (12) with concrete (11) I face, ensure that pump housing valve opening machined surface B, C are coaxial with main shaft (10) center line, the laminating of pump housing D end face and clamp body (11) II face, ensures that pump body end surface is vertical with pump housing valve opening.By screw, pressing plate (17), the pump housing and clamp body (11) are fastened as a whole.Start numerical control program pump housing valve opening is carried out to grinding.In Grinding Process, first utilize emery wheel (13) conical surface to carry out grinding to the pump housing valve opening conical surface, Z axis guide rail (2) carries out interpolation interlock with X-axis guide rail (7), in the time that the cone angle of emery wheel (13) reaches pump housing valve opening H point, Z axis guide rail (2) forward feeding, utilizes emery wheel (13) face of cylinder to carry out grinding to pump valve hole circle cylinder.In the time that emery wheel (13) face of cylinder arrives pump valve hole circle cylinder A end, another mistake is to getting back to the pump housing valve opening conical surface, and a secondary program operation is complete.Finish as pump housing valve opening appearance and size reaches in prescribed limit grinding process, otherwise X-axis forward feeding 0.001mm starts grinding program again, work flow as shown in figure 14.
Claims (5)
1. for unit pump body valve opening taper seat, the crossing abrasive machining device in the face of cylinder, it is characterized in that: this device is made up of lathe bed (1), Z axis guide rail (2), workpiece spindle slide unit (3), axis system (4), grinding wheel spindle system (5), grinding wheel spindle slide unit (6), X-axis guide rail (7), digital control system; Axis system (4) drives main shaft (10) rotation by variable-frequency motor (8) by driving-belt (9); clamp body (11) is connected with the male cone (strobilus masculinus) of main shaft (10) front end 1:5 by the inner conical surface of endoporus 1:5; fastening by locating shaft (12); clamp body (11) I face is that the face of cylinder is coaxial with taper seat; II face is that plane is vertical with I face, and III is two symmetrical boss; Grinding wheel spindle system (5) is made up of emery wheel (13), pole wheel (14), electric main shaft (15) and grinding wheel spindle support (16), emery wheel (13) adopts the taper seat that diameter is 8mm, the emery wheel that combination is intersected on the face of cylinder, cone angle is 140 °, emery wheel length 15mm, 180# ceramic binder CBN emery wheel.
2. correlation between each parts: Z axis guide rail (2) and X-axis guide rail (7) are all arranged on that lathe bed (1) is upper and Z axis guide rail (2) is mutually vertical with X-axis guide rail (7), workpiece spindle slide unit (3) is arranged on Z axis guide rail (2), grinding wheel spindle slide unit (6) is arranged on X-axis guide rail (7), axis system (4) is arranged on workpiece spindle slide unit (3), and main shaft (10) center line is parallel with Z axis guide rail (2) traffic direction, grinding wheel spindle system (5) is arranged on grinding wheel spindle slide unit (6), electricity main shaft (15) center line is parallel with main shaft (10) center line and in same level, the relative pump housing valve opening of unit pump body to be processed is unsymmetric structure, valve opening position is tetragonal body, tetragonal body is plane at valve opening two ends, there is arc fastening structure at two ends in addition, top is bolt structure, bottom is ladder column structure, valve opening inside is ladder cylindrical hole and conical bore, locating shaft (12) extension contacts with pump housing valve opening locating surface and the center line of pump housing valve opening and the center line of main shaft (10) is coincided ensure the pump housing valve opening axially accurate location in the time of grinding, clamp body (11) fits with pump valve hole cylindrical side, ensure that pump valve hole end surface and valve opening center line are perpendicular, in another valve opening cylindrical side by screw by pressing plate (17), the pump housing and clamp body (11) are fastened as a whole, utilize the outstanding gulde edge of clamp body (11) end face to drive the pump housing to be rotated around valve opening center line.
3. according to the abrasive machining device of the unit pump body valve opening described in claim 1,2, it is characterized in that: locating shaft (12) is located for pump housing valve opening provides grinding, pressing plate (17) provides fastening effect jointly with clamp body (11), drives pump housing rotation by clamp body (11) chimb.
4. according to the abrasive machining device of the unit pump body valve opening described in claim 1,2, it is characterized in that: complete endoporus taper seat, face of cylinder grinding by clamped one time.
5. according to the abrasive machining device of the unit pump body valve opening described in claim 1,2, it is characterized in that: rely on the taper seat of emery wheel (13) to carry out grinding to the taper seat of pump housing valve opening, Z axis guide rail (2) carries out interpolation interlock with X-axis guide rail (7), completes the grinding of the pump valve hole circle conical surface; Utilize the face of cylinder of emery wheel (13) to carry out grinding to the face of cylinder of valve opening, Z axis guide rail (2) feeding, completes the grinding on the valve opening face of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256039.XA CN104044026A (en) | 2014-06-11 | 2014-06-11 | Grinding device for intersection of circular conical surface and cylindrical surface of valve opening of pump body of monoblock pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256039.XA CN104044026A (en) | 2014-06-11 | 2014-06-11 | Grinding device for intersection of circular conical surface and cylindrical surface of valve opening of pump body of monoblock pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104044026A true CN104044026A (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410256039.XA Pending CN104044026A (en) | 2014-06-11 | 2014-06-11 | Grinding device for intersection of circular conical surface and cylindrical surface of valve opening of pump body of monoblock pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104044026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471003A (en) * | 2017-08-23 | 2017-12-15 | 宁波海天精工股份有限公司 | A kind of main shaft of numerical control machine tool grinding device for inner bore and grinding method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000288881A (en) * | 1999-04-06 | 2000-10-17 | Disco Abrasive Syst Ltd | Grinding apparatus and grinding method |
| CN100999063A (en) * | 2006-12-31 | 2007-07-18 | 瓦房店轴承集团有限责任公司 | High precision internal grinding system |
| CN103042445A (en) * | 2012-12-17 | 2013-04-17 | 长春设备工艺研究所 | Grinding device for monoblock pump valve spool with tangent conical surfaces and cylindrical surfaces |
| CN103372795A (en) * | 2012-04-28 | 2013-10-30 | 赵志刚 | Internal grinding machine |
| CN203509799U (en) * | 2013-10-23 | 2014-04-02 | 山东华珠机械有限公司 | Processing unit for internal surface of shaft sleeve |
| CN103831598A (en) * | 2012-11-23 | 2014-06-04 | 大连名阳实业有限公司 | Method for machining inner hole of thin-wall external gear |
-
2014
- 2014-06-11 CN CN201410256039.XA patent/CN104044026A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000288881A (en) * | 1999-04-06 | 2000-10-17 | Disco Abrasive Syst Ltd | Grinding apparatus and grinding method |
| CN100999063A (en) * | 2006-12-31 | 2007-07-18 | 瓦房店轴承集团有限责任公司 | High precision internal grinding system |
| CN103372795A (en) * | 2012-04-28 | 2013-10-30 | 赵志刚 | Internal grinding machine |
| CN103831598A (en) * | 2012-11-23 | 2014-06-04 | 大连名阳实业有限公司 | Method for machining inner hole of thin-wall external gear |
| CN103042445A (en) * | 2012-12-17 | 2013-04-17 | 长春设备工艺研究所 | Grinding device for monoblock pump valve spool with tangent conical surfaces and cylindrical surfaces |
| CN203509799U (en) * | 2013-10-23 | 2014-04-02 | 山东华珠机械有限公司 | Processing unit for internal surface of shaft sleeve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471003A (en) * | 2017-08-23 | 2017-12-15 | 宁波海天精工股份有限公司 | A kind of main shaft of numerical control machine tool grinding device for inner bore and grinding method |
| CN107471003B (en) * | 2017-08-23 | 2019-03-22 | 宁波海天精工股份有限公司 | A kind of main shaft of numerical control machine tool grinding device for inner bore and grinding method |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140917 |
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| WD01 | Invention patent application deemed withdrawn after publication |