CN203509073U - Vibration-reduction auxiliary device for turning of variable-diameter long shafts - Google Patents
Vibration-reduction auxiliary device for turning of variable-diameter long shafts Download PDFInfo
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- CN203509073U CN203509073U CN201320398798.0U CN201320398798U CN203509073U CN 203509073 U CN203509073 U CN 203509073U CN 201320398798 U CN201320398798 U CN 201320398798U CN 203509073 U CN203509073 U CN 203509073U
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- lifting bolt
- major axis
- weight
- vibration
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Abstract
The utility model discloses a vibration-reduction auxiliary device for turning of variable-diameter long shafts. The vibration-reduction auxiliary device comprises a bearing housing (7), a bearing (8), a tension spring (11) and a counter weight (12). The vibration-reduction auxiliary device is characterized in that the bearing (8) is sleeved with the bearing housing (7), the lower end of the bearing housing (7) is connected with one end of the tension spring (11) through an upper connecting part (9), and the other end of the tension spring (11) is connected with the counter weight (12) through a lower connecting part (10); when the vibration-reduction auxiliary device is used, a workpiece (1) is sleeved with the bearing (8). Thus, in a machining process, when the outer circle, connected with the bearing, of the workpeice produces radial vibration under the action of turning force, the radial vibration can be eliminated by resonance produced under the combined action of the tension spring and the counter weight.
Description
Technical field
The utility model relates to turning machining device, is specifically related to a kind of reducing major axis turning processing vibration damping servicing unit.
Background technology
In turning workpiece, shaft-like workpiece accounts for absolute majority, and major axis turning processing is wherein difficult point.Along with the axial length of major axis and major diameter to than increase, radial vibration meeting strengthens thereupon, machining accuracy is difficult to control so that processing dimension and surface roughness all uncontrollable.The utility model gets rid of the reducing long axis workpiece 1 relating to, shown in Figure 1, and its axial length is approximately 26～41 with the ratio of its radial diameter.This reducing major axis is in Tutrning Process, and because cylindrical exists cone angle (diameter exists size to change with axial distance), axially surplus changes greatly, is easy to produce radial vibration in process.For preventing that the turning of reducing major axis from adding, produce radial vibration man-hour, conventionally in the turning of reducing major axis, add man-hour, adopt follow-rest mechanism or center rest support mechanism as vibration damping servicing unit, to carry out the control of radial vibration.This vibration damping servicing unit of follow-rest, be arranged on lathe middle carriage, by upper and lower two Houghs, formed, the internal diameter needs basis that Hough is lifted the size of processing excircles is manually adjusted, because the outer diameter of a circle of multidiameter shaft changes in process, so follow-rest cannot adapt to the processing of processing object of the present invention.This vibration damping servicing unit of center rest support supporting device, is arranged on machine tool guideway, and use can be carried out the three-jaw supporting workpiece cylindrical of radiai adjustment, and the support internal diameter of three-jaw need to support outside diameter manual adjustments.Center rest support is a kind of rigid support, and it plays the restriction workpiece free degree radially in process, when workpiece is compared with long and not during support zone generation radial vibration, the effect that centre frame can play is also limited.For this reason, once designed a kind of reducing major axis turning processing vibration damping servicing unit.This reducing major axis turning processing vibration damping servicing unit as shown in Figure 6, its by link up with 13 and counterweight 14 form, the link of hook 13 is connected with counterweight 14, during use at hook 13 and emery cloth 15 of workpiece 1 contact site pad, to prevent that the wear of work from linking up with.The reducing major axis turning processing vibration damping servicing unit of this kind of structure, due to hook 13 and emery cloth 15 of workpiece 1 contact site pad, when workpiece rotational frequency is higher, the potential safety hazard that exists emery cloth 15 to fly out and hurt sb.'s feelings, not only dangerous but also unreliable, and because link is directly connected with counterweight 14, thereby the quality of counterweight can not be too heavy, when the larger-diameter workpiece 1 of processing, its damping effect is comparatively faint, does not have damping effect.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of reducing major axis turning processing vibration damping servicing unit, and it is safe and reliable, and can prevent or reduce radial vibration, raising machining accuracy that process produces.
For solving the problems of the technologies described above, the utility model adopts following technical scheme;
Reducing major axis turning processing vibration damping servicing unit of the present utility model, comprises bearing outside, bearing, extension spring and weight, it is characterized in that; Described bearing outside is set on bearing, and bearing outside lower end is connected with one end of extension spring by upper connector, and the other end of extension spring is by lower connector and weight, and during use, described bearing holder (housing, cover) is contained on workpiece;
Preferably, described upper connector is lifting bolt, the corresponding screw that connects this lifting bolt that is provided with in described bearing outside lower end; Described lower connector is lifting bolt, at the corresponding screw that is provided with this lifting bolt in the upper end of described weight;
Preferably, described upper connector is lifting bolt, the corresponding screw that connects this lifting bolt that is provided with in described bearing outside lower end; Described lower connector is and the integrated annulus of described weight;
Preferably, described upper connector is and the integrated annulus of described bearing outside; Described lower connector is lifting bolt, at the corresponding screw that is provided with this lifting bolt in the upper end of described weight;
Preferably, described upper connector; For with described bearing outside; Integrated annulus; Described lower connector; For with described weight; Integrated annulus;
Preferably, described bearing is deep groove ball bearing;
Preferably, described extension spring is helical spring, and there is hook at its two ends, and the hook at these two ends is connected with lower connector with described upper connector;
Preferably, described weight is rectangle or cylindrical.
The utility model has following beneficial effect with respect to prior art:
1, because described bearing outside is set on deep groove ball bearing, described cover bearing outside lower end is connected with one end of extension spring by upper connector, and the other end of extension spring is connected with weight by lower, and during use, bearing holder (housing, cover) is loaded on workpiece.Thereby in process, when workpiece radial vibration occurs at the cylindrical place being connected with bearing because of the effect of Cutting Force, the resonance that extension spring and weight acting in conjunction produce just can be eliminated this radial vibration.
2, owing to having taked deep groove ball bearing, this has just become original sliding friction into rolling friction, in the situation that processing major axis rotating speed is higher, has guaranteed security.
3, in the situation that diameter of work is larger, the hook of extension spring can bear the weight of larger quality, thereby can be competent at the processing of larger-diameter major axis, effectively reduce the radial vibration that turning process produces, after reducing, just can significantly improve workpiece machining surface roughness and dimensional accuracy.
Accompanying drawing explanation
Fig. 1 is the utility model processing object reducing major axis structural representation
Fig. 2 is the utility model reducing major axis turning processing vibration damping assistant apparatus structure schematic diagram
Fig. 3 is that the utility model reducing major axis turning processing vibration damping servicing unit uses schematic diagram
Fig. 4 is the reducing major axis turning processing vibration damping assistant apparatus structure schematic diagram of prior art
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail;
Shown in Figure 2, reducing major axis turning processing vibration damping servicing unit of the present utility model, comprises bearing outside 7, bearing 8, extension spring 11 and weight 12, it is characterized in that; Described bearing outside 7 is set on bearing 8, and bearing outside 7 lower ends are connected with one end of extension spring 11 by upper connector 9, and the other end of extension spring 11 is by lower connector 10 and weight 12, and during use, described bearing 8 is sleeved on workpiece 1.This just makes in process, when workpiece radial vibration occurs at the cylindrical place being connected with bearing because of the effect of Cutting Force, while there is radial vibration because of the effect of Cutting Force, extension spring and weight will actings in conjunction, produce resonance, to eliminate this radial vibration.
Described upper connector 9 is lifting bolt, the corresponding screw that connects this lifting bolt that is provided with in described bearing outside 7 lower ends; Described lower connector 10 is lifting bolt, and at the corresponding screw that is provided with this lifting bolt in the upper end of described weight 12, this screw does not draw in Fig. 2.Take this kind of structure, extension spring 11 can be arranged on cover bearing outside 7 lower ends easily by lifting bolt; Weight 12 is arranged on extension spring 11 lower ends, compact conformation and easy to use, safe easily by another lifting bolt.Particularly, for the connecting portion of lifting bolt and screw, can be coated with screw thread glue and fix when assembling, at workpiece process, due to resonance, generation part departs from anti-locking system, causes security incident
In addition, described upper connector 9 is lifting bolt, the corresponding screw that connects this lifting bolt that is provided with in described bearing outside 7 lower ends; Described lower connector 10 is and the integrated annulus of described weight 12.This structure is not shown in FIG..When this structure can be exempted lower connector 10 for lifting bolt, it should be the installation process of lifting bolt and weight 12.
Also have, described upper connector 9 is and the integrated annulus of described bearing outside 7; Described lower connector 10 is lifting bolt, at the corresponding screw that is provided with this lifting bolt in the upper end of described weight 12.In this structure chart, do not draw yet.When this structure can be exempted upper connector 9 for lifting bolt, the installation process of this lifting bolt and bearing outside 7.
In addition, described upper connector 9 is and the integrated annulus of described bearing outside 7; Described lower connector 10 is and the integrated annulus of described weight 12.In this structure chart, do not draw yet.When this structure can be exempted upper connector 9 for lifting bolt, the installation process of this lifting bolt and bearing outside 7.Meanwhile, in the time of can exempting lower connector 10 for lifting bolt, the installation process of this lifting bolt and weight 12.
As seen from Figure 1, described bearing 8 is deep groove ball bearing.Use deep groove ball bearing, workpiece and bearing sliding friction can be become to rolling friction, in the situation that processing major axis rotating speed is higher, can guarantee security.
Described extension spring 11 is helical spring, and there is hook (not shown in FIG.) at its two ends, and the hook at these two ends is connected with lower connector 10 with described upper connector 9.Described extension spring 11 is helical spring, extension spring 11 one end are subject to the downward pulling force of weight 12, produce downward deformation, extension spring 11 itself produces drag upwards, now extension spring 11 upper ends are subject to the extruding force that workpiece 1 processing radial vibration passes over, offset the drag making progress that extension spring produces, thereby played damping effect.
Described weight 12 is cuboid as can be seen from Figure 1, but weight 12 can be also trigone, cylinder etc., and its shape is can conveniently manufacturing and be as the criterion.Weight 12 for system provides downward pulling force, makes extension spring 11 produce downward deformation by weight own, during use, produces resonance, to eliminate this radial vibration.
This reducing major axis turning processing vibration damping servicing unit operation principle of the present utility model is as follows;
Shown in Figure 3, this device is enclosed within on reducing long axis workpiece 1 cylindrical before processing, the reliable clamping of reducing long axis workpiece 1 is clamped in drive system 2 and clamping drive system 6 at lathe, with cutting mechanism 5, process, different according to the position of processing cutting, regulate this device to be enclosed within the position of reducing long axis workpiece 1 cylindrical, by normal Tutrning Process, process.If the external diameter of workpiece 1 differs greatly, should change extension spring 11 and the weight 12 of different counterweights, to obtain good effectiveness in vibration suppression.
Claims (8)
1. vibration damping servicing unit is processed in a reducing major axis turning, comprise bearing outside (7), bearing (8), extension spring (11) and weight (12), it is characterized in that: described bearing outside (7) is set on bearing (8), bearing outside (7) lower end is connected with one end of extension spring (11) by upper connector (9), the other end of extension spring (11) is by lower connector (10) and weight (12), during use, described bearing (8) is sleeved on workpiece (1).
2. reducing major axis turning processing vibration damping servicing unit according to claim 1, is characterized in that: described upper connector (9) is lifting bolt, the corresponding screw that connects this lifting bolt that is provided with in described bearing outside (7) lower end; Described lower connector (10) is lifting bolt, at the corresponding screw that is provided with this lifting bolt in the upper end of described weight (12).
3. reducing major axis turning processing vibration damping servicing unit according to claim 1, is characterized in that: described upper connector (9) is lifting bolt, the corresponding screw that connects this lifting bolt that is provided with in described bearing outside (7) lower end; Described lower connector (10) is and the integrated annulus of described weight (12).
4. reducing major axis turning processing vibration damping servicing unit according to claim 1, is characterized in that: described upper connector (9) is and the integrated annulus of described bearing outside (7); Described lower connector (10) is lifting bolt, at the corresponding screw that is provided with this lifting bolt in the upper end of described weight (12).
5. reducing major axis turning processing vibration damping servicing unit according to claim 1, is characterized in that: described upper connector (9) is and the integrated annulus of described bearing outside (7); Described lower connector (10) is and the integrated annulus of described weight (12).
6. reducing major axis turning processing vibration damping servicing unit according to claim 1, is characterized in that: described bearing (8) is deep groove ball bearing.
7. reducing major axis turning processing vibration damping servicing unit according to claim 1, is characterized in that: described extension spring (11) is helical spring, and there is hook at its two ends, and the hook at these two ends is connected with lower connector (10) with described upper connector (9).
8. reducing major axis turning processing vibration damping servicing unit according to claim 1, is characterized in that: described weight (12) is rectangle or cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320398798.0U CN203509073U (en) | 2013-07-05 | 2013-07-05 | Vibration-reduction auxiliary device for turning of variable-diameter long shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320398798.0U CN203509073U (en) | 2013-07-05 | 2013-07-05 | Vibration-reduction auxiliary device for turning of variable-diameter long shafts |
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| Publication Number | Publication Date |
|---|---|
| CN203509073U true CN203509073U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320398798.0U Expired - Fee Related CN203509073U (en) | 2013-07-05 | 2013-07-05 | Vibration-reduction auxiliary device for turning of variable-diameter long shafts |
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| CN (1) | CN203509073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570742A (en) * | 2020-12-11 | 2021-03-30 | 株洲钻石切削刀具股份有限公司 | Antidetonation turning cutter |
-
2013
- 2013-07-05 CN CN201320398798.0U patent/CN203509073U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570742A (en) * | 2020-12-11 | 2021-03-30 | 株洲钻石切削刀具股份有限公司 | Antidetonation turning cutter |
| CN112570742B (en) * | 2020-12-11 | 2022-05-24 | 株洲钻石切削刀具股份有限公司 | Antidetonation turning cutter |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20190705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |