CN201026578Y - Exploratory for machining mixed flow pump vane spherical surface - Google Patents
Exploratory for machining mixed flow pump vane spherical surface Download PDFInfo
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- CN201026578Y CN201026578Y CNU2007200694446U CN200720069444U CN201026578Y CN 201026578 Y CN201026578 Y CN 201026578Y CN U2007200694446 U CNU2007200694446 U CN U2007200694446U CN 200720069444 U CN200720069444 U CN 200720069444U CN 201026578 Y CN201026578 Y CN 201026578Y
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Abstract
A processing profiling device of impeller spherical faces of mixed flow pumps comprises a profiling device, a work piece fixing device and a measuring device. The profiling device comprises a profiling fixing frame arranged on the lathe carriage, a profiling plate fixed on the profiling frame, and the inner lateral side of the profiling plate is a profiling arc and the other end of the turning tool is provided with a roller resisting the profiling arc of the inner side of the profiling plate and a heavy hammer round a free wheel; The work piece fixing device comprises a work piece fixing frame arranged on the lathe floral disc and a positioning column in the center of the work piece fixing frame; The measuring device comprises a measurement frame arranged on the positioning column, a micrometer arranged on the measurement frame and a spherical center adjusting component at the bottom of the measurement frame. When in use, the spherical processing profiling device fixes the processed blade on the fixing device and the work piece fixing device is tightly arranged on the lathe floral disc of the lathe and mutually aligns with the lathe, ensuring the process redundancy. The turning tool feeds according to the instructions of the position line on the profiling device, so the work piece turns to complete the spherical machining operation and the size requirement is ensured by the test of the measurement device.
Description
Technical field
The utility model relates to the Machining Technology field, and the concrete processing technique field that relates to large-scale mixed-flow pump impeller sphere furthermore relates to a kind of mixed-flow pump impeller sphere processing pattern.
Background technology
Usually, the sphere of workpiece processing is adopted hand-guided lathe tool process by having turner than high professional qualification according to operating experience, finishes sphere processing.This just requires the craftsmanship very high, has rich experiences, higher skill, and machining reproducibility is poor, long processing time, cost height, can't reach batch process, just take a lot of work, time-consuming, and the workpiece that processes does not reach the requirement of higher dimensional, form accuracy.
The Chinese patent application application number is 00132770.4 to disclose the key name technical scheme for " aspherical trace forming processing method and device ", and this scheme is exactly a kind of pattern method.This method is to obtain required conic section in advance on a standard circular cone, and as parabola, this curve is die for processing.In process, the tail end of cutting tool is walked on this curve, and the cutting edge of the cutting tool other end is then walked along same trajectories, and workpiece is located on the cutting edge track, and rotation is the surface of revolution of bus so just process with this curve, just a class aspheric surface.The problem that above-mentioned pattern method exists is that the curve mold track is controlled the cutting edge run trace indirectly by one section processing component such as cutting tool connecting rod, produces a mismachining tolerance again; No matter processing is whole aspheric what position, nearly all not on the normal of each processing stand, therefore, this method exists in the process can't eliminate error to the direction of feed of cutting edge.
The utility model content
Technical problem to be solved in the utility model is, overcomes shortcoming of the prior art, and a kind of processing pattern at the processing of mixed-flow pump impeller sphere is provided.
In order to address the above problem, the technical solution of the utility model is such:
Mixed-flow pump impeller sphere processing pattern, comprise copying apparatus, Work fixing device and measurement mechanism three parts, it is characterized in that: described copying apparatus comprises the pattern fixed mount that is arranged on the lathe saddle, be fixed on the master plate on the pattern frame, the inner side edge of master plate is the pattern circular arc, and the lathe tool other end has roller that withstands the inboard pattern circular arc of master plate and the weight of walking around a pulley; Described Work fixing device comprises the workpiece holder that is arranged on the lathe floral disc and is positioned at the reference column at workpiece holder center; Described measurement mechanism comprises the measurement bay that is arranged on the reference column, and the centre of sphere that is arranged on micrometer on the measurement bay and measurement bay bottom is adjusted member.
The inner side edge circular arc of described master plate is the sphere revolution bus of institute's processing work.
Be carved with a position line on the described master plate, the angle beta of described master plate angle [alpha] and processed blade is consistent, and the central point of the extended line of the position line on the master plate and processed blade sphere cylindrical coincides.
The center of circle of described measurement bay and the centre of sphere of workpiece to be machined match.
Described centre of sphere adjustment means, comprise that one is fixed on fixed head, aligning bar and the centre of sphere adjustment piece on the reference column, has an aligning groove at the fixed head center, aligning bar upper end is connected with measurement bay, the lower end has a spherical ball, the described spherical ball and the centre of sphere are adjusted piece and are positioned at the aligning groove, and the centre of sphere is adjusted piece and is positioned at below the spherical ball.
During use, workpiece is fixed on the fixture, workpiece holder is fastened on the floral disc of lathe, and mutual centering, guarantee allowance, lathe tool requires tool setting according to the indication of the position line on the pattern, promptly aligns the center line of blade, the sphere manufacturing procedure is promptly finished in the workpiece revolution, and dimensional requirement is guaranteed by the measurement mechanism check.
Beneficial effect, the utility model has effectively solved the problem of mixed-flow pump impeller sphere processing, and guaranteed crudy, overcome the shortcoming of conventional processing, be skillfully constructed, advantage such as simple in structure, easy to implement, processing ease, machining accuracy height, effect are remarkable.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the structural representation of the utility model mixed-flow pump impeller sphere processing pattern.
Fig. 2 is the I place partial enlarged drawing of Fig. 1.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, a kind of mixed-flow pump impeller sphere processing pattern, it is made up of three parts, that is: copying apparatus, measurement mechanism, Work fixing device.
Copying apparatus mainly comprises: pattern fixed mount 1, master plate 2, roller 3, weight 4.Pattern fixed mount 1 is installed on the lathe column 01, master plate 2 is fixed on the master plate fixed mount 1 by bolt and master plate connecting elements 21, the inboard of master plate 2 is a pattern circular arc 21, circular arc 21 is the revolution bus of institute's processing work, roller 3 is arranged on an end of cutter saddle 02, and bite 021 is arranged on the other end of cutter saddle 02.Roller 3 is close to pattern circular arc 21, and weight 4 is connected with cutter saddle 02 by weight backguy 41, and a pulley 42 is installed on master plate 2, and pulley 42 is walked around in weight backguy 41.What the effect of weight 4 guaranteed roller 3 and pattern circular arc 21 is close to degree and reliability, thereby it is consistent with the pattern circular arc 21 on the master plate to guarantee to process mixed-flow pump impeller sphere camber line.Have on the master plate 2 and be carved with a position line 31, the central point 031 of the extended line of this position line 31 and processed blade 03 sphere cylindrical coincides.The angle [alpha] of master plate 2 is consistent with the angle beta of processed blade 03.The position line 31 of master plate 2 coincides,
During tool setting, roller 3 and pattern circular arc 21 points of tangency of master plate 2 and the position line 31 on the master plate 2 are coincided.
Work fixing device comprises workpiece holder 8 that is arranged on the lathe floral disc and the reference column 9 that is positioned at the workpiece holder center.Reference column 9 has large and small positioning cylinder 91,92, and wherein big positioning cylinder 92 is used to locate workpiece, and little positioning cylinder 91 is positioned the workpiece holder center.
Measurement mechanism comprises measurement bay 7, and measurement bay 7 is a sickleshaped, and measurement bay 7 sickleshaped cuttves are the fixedly connected micrometer 10 of an end slightly, and the sickleshaped handle of a knife end of measurement bay 7 is fixedly installed on the workpiece holder 8.The sickleshaped handle of a knife end of measurement bay 7 also has a centre of sphere adjustment means, referring to Fig. 2, centre of sphere adjustment means comprises that fixed head 51, aligning bar 5 and a centre of sphere that is fixed on the big positioning cylinder 92 of reference column 9 adjust piece 6, has an aligning groove 53 at fixed head 51 centers, aligning bar 5 upper ends are connected with the sickleshaped handle of a knife of measurement bay 7 is terminal, the lower end has a spherical ball 52, and the spherical ball 52 and the centre of sphere are adjusted piece 6 and be positioned at aligning groove 53, and the centre of sphere is adjusted piece 6 and is positioned at below the spherical ball 52.Adjust the sphere center position that piece 6 can be adjusted spherical ball 52 by the centre of sphere of putting into different-thickness.
During use, large-scale workpiece adopts vertical lathe processing, utilize the existing cutter position of walking, processed blade 03 is fixed on the Work fixing device, and Work fixing device is fastened on the floral disc of lathe, and mutual centering, guarantee allowance, lathe tool requires feed according to 31 indications of the position line on the pattern, and the sphere manufacturing procedure is promptly finished in the workpiece revolution, and dimensional requirement is guaranteed by the measurement mechanism check.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. the mixed-flow pump impeller sphere is processed pattern, comprise copying apparatus, Work fixing device and measurement mechanism three parts, it is characterized in that: described copying apparatus comprises the pattern fixed mount that is arranged on the lathe saddle, be fixed on the master plate on the pattern frame, the inner side edge of master plate is the pattern circular arc, and the lathe tool other end has roller that withstands the inboard pattern circular arc of master plate and the weight of walking around a pulley; Described Work fixing device comprises the workpiece holder that is arranged on the lathe floral disc and is positioned at the reference column at workpiece holder center; Described measurement mechanism comprises the measurement bay that is arranged on the reference column, and the centre of sphere that is arranged on micrometer on the measurement bay and measurement bay bottom is adjusted member.
2. mixed-flow pump impeller sphere processing pattern according to claim 1 is characterized in that, the inner side edge circular arc of described master plate is the sphere revolution bus of institute's processing work.
3. mixed-flow pump impeller sphere processing pattern according to claim 1, it is characterized in that, be carved with a position line on the described master plate, the angle beta of described master plate angle [alpha] and processed blade is consistent, and the central point of the extended line of the position line on the master plate and processed blade sphere cylindrical coincides.
4. mixed-flow pump impeller sphere processing pattern according to claim 1 is characterized in that the center of circle of described measurement bay and the centre of sphere of workpiece to be machined match.
5. according to claim 1 or 3 described mixed-flow pump impeller sphere processing patterns, it is characterized in that, described centre of sphere adjustment means, comprise that one is fixed on fixed head, aligning bar and the centre of sphere adjustment piece on the reference column, have an aligning groove at the fixed head center, aligning bar upper end is connected with measurement bay, and the lower end has a spherical ball, the described spherical ball and the centre of sphere are adjusted piece and are positioned at the aligning groove, and the centre of sphere is adjusted piece and is positioned at below the spherical ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200694446U CN201026578Y (en) | 2007-04-28 | 2007-04-28 | Exploratory for machining mixed flow pump vane spherical surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200694446U CN201026578Y (en) | 2007-04-28 | 2007-04-28 | Exploratory for machining mixed flow pump vane spherical surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201026578Y true CN201026578Y (en) | 2008-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200694446U Expired - Fee Related CN201026578Y (en) | 2007-04-28 | 2007-04-28 | Exploratory for machining mixed flow pump vane spherical surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201026578Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490041A (en) * | 2011-12-14 | 2012-06-13 | 南京蓝深制泵集团股份有限公司 | Tool fixture and method for machining spherical outer surface of water pump impeller |
| CN104708019A (en) * | 2013-12-12 | 2015-06-17 | 铜陵市永生机电制造有限责任公司 | Round head turning device |
| CN108247511A (en) * | 2018-01-20 | 2018-07-06 | 邵东和谐五金机电有限公司 | A kind of double pattern hammer handle processing and polissoir |
-
2007
- 2007-04-28 CN CNU2007200694446U patent/CN201026578Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490041A (en) * | 2011-12-14 | 2012-06-13 | 南京蓝深制泵集团股份有限公司 | Tool fixture and method for machining spherical outer surface of water pump impeller |
| CN102490041B (en) * | 2011-12-14 | 2013-12-11 | 南京蓝深制泵集团股份有限公司 | Tool fixture and method for machining spherical outer surface of water pump impeller |
| CN104708019A (en) * | 2013-12-12 | 2015-06-17 | 铜陵市永生机电制造有限责任公司 | Round head turning device |
| CN108247511A (en) * | 2018-01-20 | 2018-07-06 | 邵东和谐五金机电有限公司 | A kind of double pattern hammer handle processing and polissoir |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20140428 |