CN204036040U - The spline positioning processing device in cam-type axial piston pump cylinder body nine hole - Google Patents
The spline positioning processing device in cam-type axial piston pump cylinder body nine hole Download PDFInfo
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- CN204036040U CN204036040U CN201420371156.6U CN201420371156U CN204036040U CN 204036040 U CN204036040 U CN 204036040U CN 201420371156 U CN201420371156 U CN 201420371156U CN 204036040 U CN204036040 U CN 204036040U
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Abstract
The utility model relates to hydraulic pressure plunger displacement pump manufacture field, particularly relates to a kind of processing tool of plunger pump cylinder body.A kind of spline positioning processing device of cam-type axial piston pump cylinder body nine hole, comprise base plate, the attached rotating shaft of lathe, clamp body, locating shaft and pressing plate, described lathe the 4th axle is fixedly mounted on base plate, locating shaft is coaxially fixedly mounted on the axle center place of clamp body, work piece is sleeved on to be fixed by pressing plate in one end of locating shaft, and the other end of locating shaft is connected with machine tool rotary center; Clamp body is fixedly mounted on the locating surface of lathe the 4th axle, and described base plate has certain inclination angle, and make lathe attached rotating shaft locating surface and machine tool chief axis have certain angle, the angle of this angle is identical with cylinder body axis angle with plunger hole in work piece.The utility model, by the repacking to existing equipment, uses Conventional upright machining center to process nine plunger holes of tapered distribution, achieves the processing to tilt column consent, can be applicable to the occasion that related fluid casting die manufactures.
Description
Technical field
The utility model relates to hydraulic pressure plunger displacement pump manufacture field, particularly relates to a kind of processing tool of plunger pump cylinder body.
Background technology
Existing organisation of working is relatively applicable to processing common axial plunger pump cylinder body structure as shown in Figure 1, 2, and nine holes on common plunger pump cylinder body are around Boring mill wire loop array, and the axis in hole and Boring mill line parallel.If be cam-type axial piston pump as shown in Figure 3, what the swash plate of this plunger displacement pump adopted is nine hole piston structures, and nine holes will according to 40 ° of interval deciles, and the axis of nine plunger holes and the axis of cylinder body have certain angle, tapered distribution; If cylinder body adopts existing vertical machining centre directly to process, meeting poor effect, and the quality processed is very bad, because the main shaft of the drilling machine of routine or vertical machining centre is vertical with processing platform, if therefore this cylinder body adopts existing vertical machining centre directly to process, precision cannot ensure at all, needs a kind of special frock clamp to ensure part processing precision.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of spline positioning processing device of cam-type axial piston pump cylinder body nine hole, by the repacking to existing equipment, Conventional upright machining center is used to process nine plunger holes of tapered distribution, achieve in the processing to tilt column consent and can guarantee conical distribution precision, improve the parameter such as vibration and noise of plunger displacement pump at the scene in application process, greatly reduce manufacturing cost.
The utility model is achieved in that a kind of spline positioning processing device of cam-type axial piston pump cylinder body nine hole, comprise base plate, the attached rotating shaft of lathe, clamp body, locating shaft and pressing plate, the attached rotating shaft of described lathe is fixedly mounted on base plate, described locating shaft is coaxially fixedly mounted on the axle center place of clamp body, work piece is sleeved on to be fixed by pressing plate in one end of locating shaft, and the other end of locating shaft is connected with machine tool rotary center; Described clamp body is fixedly mounted on the locating surface of the attached rotating shaft of lathe, described base plate has certain inclination angle, make lathe attached rotating shaft locating surface and machine tool chief axis have certain angle, the angle of this angle is identical with cylinder body axis angle with plunger hole in work piece.
Be fixedly linked by flat key between described locating shaft and clamp body.
Described clamp body is provided with six screw holes, and six screw holes are divided into two groups, and Central Symmetry distributes, and clamp body is fixedly linked by screw and the attached rotating shaft of lathe.
The spline positioning processing device in the utility model cam-type axial piston pump cylinder body nine hole is by the repacking to existing equipment, use Conventional upright machining center to process nine plunger holes of tapered distribution, achieve in the processing to tilt column consent and can guarantee conical distribution precision; The cylinder body plunger of conical distribution makes plunger in operation process, produce the centrifugal force being conducive to oil suction, improve axial plunger pump from absorption, reduce the pitch diameter of oil-distribution port, reduce the flow velocity of oil suction, thus reduce the noise of plunger displacement pump; Thus ensure that the behavior in service of whole pump, improve the parameters such as the vibration of plunger displacement pump at the scene in application process and noise, greatly reduce manufacturing cost, can be applicable to the occasion that related fluid casting die manufactures, there is very large application and popularization value and strategic position.
Accompanying drawing explanation
Fig. 1 is that existing common axial plunger pump cylinder body axis of no-feathering is to schematic diagram;
Fig. 2 is that existing common axial plunger pump cylinder body structure master looks schematic cross-section;
Fig. 3 is that the plunger pump cylinder body structure master of the required processing of the utility model frock looks schematic cross-section;
Fig. 4 is the structural representation of the spline positioning processing device in the utility model cam-type axial piston pump cylinder body nine hole;
Fig. 5 is the axial schematic diagram of clamp body;
Fig. 6 is the schematic front view of locating shaft.
In figure: 1 base plate, the attached rotating shaft of 2 lathe, 3 clamp bodies, 4 locating shafts, 5 pressing plates, 6 work pieces, 7 flat keys, 41 installation portions, 42 flat key grooves, 43 spline positioning sections, 44 bridge screw holes.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model statement.
Embodiment 1
As shown in Figure 4, a kind of spline positioning processing device of cam-type axial piston pump cylinder body nine hole, comprise base plate 1, the attached rotating shaft 2 of lathe, clamp body 3, locating shaft 4 and pressing plate 5, described lathe the 4th axle 2 is fixedly mounted on base plate 1, and described locating shaft 4 is coaxially fixedly mounted on the axle center place of clamp body 3 by flat key 7, work piece 6 is sleeved on to be fixed by pressing plate 5 in one end of locating shaft 4, prevents part from occurring in process freely movable, and cannot ensure machining accuracy, the other end of locating shaft 4 is connected with machine tool rotary center, described clamp body 3 is fixedly mounted on the locating surface of the attached rotating shaft 2 of lathe, described base plate 1 has certain inclination angle, lathe attached rotating shaft 2 locating surface and machine tool chief axis is made to have certain angle, the angle of this angle is identical with cylinder body axis angle with plunger hole in work piece 6, after installation, the plunger hole of work piece 6 is converted into and parallels with machine tool chief axis, so just, common vertical machining centre can be used to carry out machined, adding man-hour, the decile of nine plunger holes is processed by the equal division device that point program control machine tools such as Digit Control Machine Tool carry and realizes, thus ensure that the halving precision of nine plunger holes
As shown in Figure 5, described clamp body 3 is provided with six screw holes in the present embodiment, and six screw holes are divided into two groups, and Central Symmetry distributes, and clamp body 3 is fixedly linked by screw and the attached rotating shaft 2 of lathe.
As shown in Figure 6, the locating shaft 4 used in the utility model is made up of the installation portion 41 arranged in turn vertically, flat key groove 42, spline positioning section 43 and bridge screw hole 44, described installation portion 41 coordinates with machine tool rotary center machine tool attached rotating shaft 2 clamping, flat key 7 utilizes flat key groove 42 locating shaft 4 and clamp body 3 to be fixedly linked, spline positioning section 43 matches with the cylinder body internal spline of work piece 6, cylinder body is driven jointly to turn round by spline transmitting torque, pressing plate 5 utilizes bridge screw hole 44 to be fixedly mounted by work piece 6, and it is freely movable to occur in process.
Claims (3)
1. the spline positioning processing device in cam-type axial piston pump cylinder body nine hole, it is characterized in that: comprise base plate (1), the attached rotating shaft of lathe (2), clamp body (3), locating shaft (4) and pressing plate (5), described lathe the 4th axle (2) is fixedly mounted on base plate (1), described locating shaft (4) is coaxially fixedly mounted on the axle center place of clamp body (3), work piece (6) is sleeved on to be fixed by pressing plate (5) in one end of locating shaft (4), and the other end of locating shaft (4) is connected with machine tool rotary center; Described clamp body (3) is fixedly mounted on the locating surface of the attached rotating shaft of lathe (2), described base plate (1) has certain inclination angle, make lathe attached rotation rotating shaft (2) locating surface and machine tool chief axis have certain angle, the angle of this angle is identical with cylinder body axis angle with plunger hole in work piece (6).
2. the spline positioning processing device in cam-type axial piston pump cylinder body nine hole as claimed in claim 1, be is characterized in that: be fixedly linked by flat key (7) between described locating shaft (4) and clamp body (3).
3. the spline positioning processing device in cam-type axial piston pump cylinder body nine hole as claimed in claim 1 or 2, it is characterized in that: described clamp body (3) is provided with six screw holes, six screw holes are divided into two groups, Central Symmetry distributes, and clamp body (3) is fixedly linked by screw and the attached rotating shaft of lathe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371156.6U CN204036040U (en) | 2014-07-07 | 2014-07-07 | The spline positioning processing device in cam-type axial piston pump cylinder body nine hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371156.6U CN204036040U (en) | 2014-07-07 | 2014-07-07 | The spline positioning processing device in cam-type axial piston pump cylinder body nine hole |
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| Publication Number | Publication Date |
|---|---|
| CN204036040U true CN204036040U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420371156.6U Active CN204036040U (en) | 2014-07-07 | 2014-07-07 | The spline positioning processing device in cam-type axial piston pump cylinder body nine hole |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670849A (en) * | 2016-12-02 | 2017-05-17 | 中国兵器科学研究院宁波分院 | Machining device and method for seat ring and guide pipe hole in engine cylinder cover |
| CN107081617A (en) * | 2017-06-27 | 2017-08-22 | 哈尔滨工业大学 | A kind of fixture frock for being used to prepare the Inclined Pipe with notch in groups |
-
2014
- 2014-07-07 CN CN201420371156.6U patent/CN204036040U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670849A (en) * | 2016-12-02 | 2017-05-17 | 中国兵器科学研究院宁波分院 | Machining device and method for seat ring and guide pipe hole in engine cylinder cover |
| CN106670849B (en) * | 2016-12-02 | 2019-07-16 | 中国兵器科学研究院宁波分院 | The process equipment and processing method of engine cylinder cover top race and guide hole |
| CN107081617A (en) * | 2017-06-27 | 2017-08-22 | 哈尔滨工业大学 | A kind of fixture frock for being used to prepare the Inclined Pipe with notch in groups |
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| GR01 | Patent grant |