CN105364197A - Device for positioning gear with high precision - Google Patents
Device for positioning gear with high precision Download PDFInfo
- Publication number
- CN105364197A CN105364197A CN201510879438.6A CN201510879438A CN105364197A CN 105364197 A CN105364197 A CN 105364197A CN 201510879438 A CN201510879438 A CN 201510879438A CN 105364197 A CN105364197 A CN 105364197A
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- gland
- axle
- gear
- spiral groove
- spindle nose
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Abstract
The invention discloses a device for positioning a gear with high precision. The device comprises a mandrel, wherein the mandrel comprises a shaft body, a shaft ring, a shaft neck and a shaft head which are arranged from left to right; the outer circular surface of the shaft head is provided with an outer spiral groove; a pressure sleeve is connected on the shaft head in a sleeving mode; the inner wall of the pressure sleeve is provided with an inner spiral groove; the inner wall, at the right end, of the pressure sleeve is provided with a ring-shaped slot which is communicated with the inner spiral groove; and an oil storage slot is formed in the outer surface of the shaft neck. The device is simple in structure, convenient to operate, and high in gear shaving precision.
Description
Technical field
The present invention relates to field of machining, refer to a kind of device of hi-Fix gear especially.
Background technology
Shaving is the critical process in gear manufacture, and the precision of shaving directly determines the final precision of gear, and the impact of shaving precision is except gear shaving machine performance, tool precision, operant level etc., and the quality of the device of Positioning Gear also directly affects the precision of shaving.The device of existing Positioning Gear adopts hard-core axial cylindrical face and axial end location, product end surface is compressed by packing ring, nut, carry out shave processing, when machining the next workpiece of rear replacing at every turn, nut, packing ring all must be unloaded down, could workpiece be changed, use this device, change the workpiece time long, inconvenient operation.And by nuts and washers to product carry out compression exist seal face discontinuity cause product orientation forbidden, make shaving precision not high, high especially to the required precision of each gear when producing central gear, the device of above-mentioned Positioning Gear is used to meet the demands, now be badly in need of a kind of structure simple, the easy to operate and device of the Positioning Gear that shaving precision is high.
Summary of the invention
The present invention is directed to above-mentioned prior art Problems existing to make improvements, the technical issues that need to address are that to propose a kind of structure simple, the easy to operate and device of the Positioning Gear that shaving precision is high, so propose a kind of device of hi-Fix gear.
Technical scheme of the present invention is achieved in that a kind of device of hi-Fix gear, comprise axle, described axle comprises the axle body arranged from left to right, the axle collar that gear to be processed is moved to the left can be limited, for placing the axle journal of gear to be processed, spindle nose, the periphery of described spindle nose has external spiral groove, described spindle nose is socketed with the gland that can slide along it, described gland is the cylinder that left end opening right-hand member is closed, the inwall of described gland has inner spiral groove, described gland has the cannelure be communicated with described inner spiral groove on the inwall of right-hand member, described cannelure inwall has the through hole running through described gland sidewall, the outer surface of described axle journal is provided with the oil storage tank be made up of the reticulate pattern line of two sets intersect.
Preferred as one, described external spiral groove is with the rotation direction of described inner spiral groove is consistent and pitch is identical.
Preferred as one, described spindle nose right-hand member is provided with bulge loop, and the cross section of the periphery of described bulge loop is semicircle, and described bulge loop maximum outside diameter is identical with the size of described gland internal diameter.
One as technique scheme is improved, described axle body left side have be positioned at described axle center line on left fixing hole, the right side of described gland has the right fixing hole be positioned on the center line extended line of described axle.
One as above-mentioned improvement is preferred, and the fit clearance of described gland and described spindle nose is between 0.005 ~ 0.008cm.
Improve as one, described axle journal right-hand member is processed with the chamfering of 5 × 15o.
The present invention adopts such scheme, and use gland to treat machining gears and compress, structure is simple, and the stroke that during use, gland takes out and compresses is short, easy to operate.The fit clearance of gland and spindle nose, between 0.005 ~ 0.008cm, this ensure that gear seal face uniform stressed to be processed, makes gear accurate positioning to be processed and stablizes.The periphery of spindle nose has external spiral groove, the inwall of gland has inner spiral groove, these two helicla flutes are engaged in gland sliding process the effect playing oil extraction, exhaust, the tiny iron filings of row, be provided with the cannelure of the band through hole be communicated with inner spiral groove at gland right-hand member inwall simultaneously, convenient collection and discharge oil, gas and little iron filings, play the effect preventing oil, gas and little iron filings from refluxing simultaneously, make gland when can easy slide when fit clearance is minimum with spindle nose, so structure of the present invention is simple, easy to operate and shaving precision is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the device of a kind of hi-Fix gear of the present invention;
Fig. 2 is the front view of the axle of the device of a kind of hi-Fix gear in Fig. 1;
Fig. 3 is the sectional view of the gland of the device of a kind of hi-Fix gear in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The device of a kind of hi-Fix gear as shown in Figure 1, comprise axle 1, described axle 1 comprises the axle body 1b arranged from left to right, the axle collar 1c that gear 3 to be processed is moved to the left can be limited, for placing the axle journal 1d of gear 3 to be processed, spindle nose 1e, the periphery of described spindle nose 1e has external spiral groove 1f, described spindle nose 1e is socketed with the gland 2 that can slide along it, described gland 2 is the cylinder that left end opening right-hand member is closed, the inwall of described gland 2 has inner spiral groove 2a, the sidewall of described gland 2 right-hand member is provided with through hole 2b, in order to more effective collection and by waste oil and impurity discharge gland 2, as shown in Figure 3, described gland 2 has the cannelure 2d be communicated with described inner spiral groove 2a on the inwall of right-hand member, described cannelure 2d inwall has the through hole 2b running through described gland 2 sidewall, waste oil and impurity are flowed into cannelure 2d and are discharged by through hole 2b, cannelure 2d plays and collects waste oil and impurity and the effect preventing waste oil and impurity backflow.
As shown in Figure 1, the outer surface of axle journal 1d is provided with the oil storage tank 5 be made up of the reticulate pattern line of two sets intersect, and oil storage tank 5 can prevent lubricating oil to run off, and ensures that gear to be processed can slide smoothly on axle journal 1d.
During use, gear 3 to be processed is enclosed within axle journal 1d, then axle 1 is fixed on gear shaving machine, advance gland 2 until gear to be processed 3 clamps left, just can treat machining gears 3 and carry out shaving, the taking-up that after shaving completes, taking-up gland 2 just can will machine.Wherein external spiral groove 1f and inner spiral groove 2a coordinate the effect playing the impurity such as oil extraction, exhaust, the tiny iron filings of row, make gland 2 when can easy slide when fit clearance is minimum with spindle nose 1e.
Further, in order to make gland 2 obtain best sliding effect with spindle nose 1e when fit clearance is minimum, as shown in Figures 2 and 3, the rotation direction of described external spiral groove 1f and described inner spiral groove 2a is consistent and pitch is identical.
Further, as shown in Figure 2, described spindle nose 1 right-hand member is provided with bulge loop 1g, and the cross section of the periphery of described bulge loop 1g is semicircle, described bulge loop 1g maximum outside diameter is identical with the size of described gland 2 internal diameter, and waste oil and larger impurity can effectively be shifted onto in cannelure 2d by arranging of bulge loop 1g.
Gear 3 to be processed is compressed in order to make gland 2, as shown in Figure 1, described axle body 1b left side have be positioned at described axle 1 center line on left fixing hole 1a, the right side of described gland 2 have be positioned at described axle 1 center line extended line on right fixing hole 2c, the left thimble of gear shaving machine withstands left fixing hole 1a, utilize gear shaving machine tailstock hydraulic pressure thimble top right fixing hole 2c gland 2 is moved to the left thus compresses gear 3 to be processed, gland 2 can be taken out when obvious gear shaving machine tailstock hydraulic pressure thimble shrinks.Coordinate left fixing hole 1a to measure the distance of steel ball to axle collar 1c by a steel ball when axle is installed in practice, can position according to this distance center roller 1 and adjust stroke and the position of gear shaving machine razor.
Especially, in order to ensure shaving precision, the fit clearance of described gland 2 and described spindle nose 1e is between 0.005 ~ 0.008cm.
Conveniently gear 3 to be processed is loaded axle journal 1d, described axle 1d right-hand member is processed with the chamfering of 5 × 15o, obviously conveniently assembles, and other connecting portion of the present invention is also provided with chamfering, such as the left end place of gland 2 inwall.
The present invention is specially adapted to process central gear.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the device of a hi-Fix gear, comprise axle (1), described axle (1) comprises the axle body (1b) arranged from left to right, the axle collar (1c) that gear to be processed (3) is moved to the left can be limited, for placing the axle journal (1d) of gear to be processed (3), spindle nose (1e), it is characterized in that: the periphery of described spindle nose (1e) has external spiral groove (1f), described spindle nose (1e) is socketed with the gland (2) that can slide along it, the cylinder that described gland (2) is closed for left end opening right-hand member, the inwall of described gland (2) has inner spiral groove (2a), described gland (2) has the cannelure (2d) be communicated with described inner spiral groove (2a) on the inwall of right-hand member, described cannelure (2d) inwall has the through hole (2b) running through described gland (2) sidewall, the outer surface of described axle journal (1d) is provided with the oil storage tank (5) be made up of the reticulate pattern line of two sets intersect.
2. according to the device of a kind of hi-Fix gear according to claim 1, it is characterized in that: the rotation direction of described external spiral groove (1f) and described inner spiral groove (2a) is consistent and pitch is identical.
3. according to the device of a kind of hi-Fix gear according to claim 1, it is characterized in that: described spindle nose (1e) right-hand member is provided with bulge loop (1g), the cross section of the periphery of described bulge loop (1g) is semicircle, and described bulge loop (1g) maximum outside diameter is identical with the size of described gland (2) internal diameter.
4. according to the device of a kind of hi-Fix gear described in claim 1 or 2 or 3, it is characterized in that: described axle body (1b) left side have be positioned at described axle (1) center line on left fixing hole (1a), the right side of described gland (2) has the right fixing hole (2c) on the center line extended line being positioned at described axle (1).
5. according to the device of a kind of hi-Fix gear according to claim 4, it is characterized in that: the fit clearance of described gland (2) and described spindle nose (1e) is between 0.005 ~ 0.008cm.
6. according to the device of a kind of hi-Fix gear according to claim 1, it is characterized in that: described axle journal (1d) right-hand member is processed with the chamfering of 5 × 15o.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510879438.6A CN105364197A (en) | 2015-12-05 | 2015-12-05 | Device for positioning gear with high precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510879438.6A CN105364197A (en) | 2015-12-05 | 2015-12-05 | Device for positioning gear with high precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105364197A true CN105364197A (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510879438.6A Pending CN105364197A (en) | 2015-12-05 | 2015-12-05 | Device for positioning gear with high precision |
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| Country | Link |
|---|---|
| CN (1) | CN105364197A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3472092A (en) * | 1967-10-30 | 1969-10-14 | Singer Co | Antibacklash gear |
| US3583714A (en) * | 1968-11-27 | 1971-06-08 | Gleason Works | Chuck and collet for shank pinions and the like |
| CN203887339U (en) * | 2014-06-24 | 2014-10-22 | 重庆神箭汽车传动件有限责任公司 | Ridge extrusion set |
| CN204035713U (en) * | 2014-08-30 | 2014-12-24 | 綦江祥和机械有限公司 | Gear shaving frock |
| CN204035714U (en) * | 2014-08-30 | 2014-12-24 | 綦江祥和机械有限公司 | A kind of high accuracy gear shaving technology equipment |
-
2015
- 2015-12-05 CN CN201510879438.6A patent/CN105364197A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3472092A (en) * | 1967-10-30 | 1969-10-14 | Singer Co | Antibacklash gear |
| US3583714A (en) * | 1968-11-27 | 1971-06-08 | Gleason Works | Chuck and collet for shank pinions and the like |
| CN203887339U (en) * | 2014-06-24 | 2014-10-22 | 重庆神箭汽车传动件有限责任公司 | Ridge extrusion set |
| CN204035713U (en) * | 2014-08-30 | 2014-12-24 | 綦江祥和机械有限公司 | Gear shaving frock |
| CN204035714U (en) * | 2014-08-30 | 2014-12-24 | 綦江祥和机械有限公司 | A kind of high accuracy gear shaving technology equipment |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20160302 |