CN105397206A - Synchronizer cone hub positioning mechanism - Google Patents
Synchronizer cone hub positioning mechanism Download PDFInfo
- Publication number
- CN105397206A CN105397206A CN201510879551.4A CN201510879551A CN105397206A CN 105397206 A CN105397206 A CN 105397206A CN 201510879551 A CN201510879551 A CN 201510879551A CN 105397206 A CN105397206 A CN 105397206A
- Authority
- CN
- China
- Prior art keywords
- positioning
- cone hub
- mandrel
- clamping sleeve
- axle
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
Abstract
The invention relates to a synchronizer cone hub positioning mechanism. The synchronizer cone hub positioning mechanism comprises a mandrel and a positioning disc fixed on the mandrel, wherein the mandrel comprises a mandrel body, a mandrel ring, a mandrel neck and a mandrel head arranged in sequence from left to right; a positioning gear is arranged on the mandrel neck; the mandrel head is sleeved with a pressing sleeve; the pressing sleeve is provided with a cavity having an opening towards left and slidingly fitting the mandrel head; a second center hole is formed in the right end surface of the pressing sleeve; the positioning disc is fixed on the right end surface of the mandrel ring; a groove having an opening towards right is formed in the middle part of the positioning disc; the positioning gear is positioned between the positioning disc and the pressing sleeve; the diameter of a gear top circle of the positioning gear is smaller than the diameter of a minimum incircle of the groove and bigger than the diameter of the opening of the cavity; and the cross section of teeth of the positioning gear is trapezoidal. The synchronizer cone hub positioning mechanism uses a tooth surface on a gear ring reference circle of a synchronizer cone hub for positioning, and guarantees the coaxiality and pitch circle jump of outer and inner teeth and a conical surface of the synchronizer cone hub; and after the processed synchronizer cone hub is provided with a transmission assembly, the noise can be reduced.
Description
Technical field
The present invention relates to machining, refer to the mechanism of a kind of positioning synchronous device cone hub especially.
Background technology
Synchronizer Cone hub is the parts in speed changer.Usually, the mechanism that processing Synchronizer Cone hub uses is made up of hard-core axle, pressing plate, locking nut, Synchronizer Cone hub loads and unloads by adjusting lock nut in this mechanism, inconvenient operation, and adopt the Synchronizer Cone hub that this mechanism processes, there is internal tooth and external tooth and conical surface axiality and pitch circle and to beat overproof phenomenon.Particularly Synchronizer Cone hub belongs to a kind of book parietal tooth wheel, after heat-treatment quenching, the outside circle of its ring gear easily occurs that circle is lost in distortion, utilize the outside circle of Synchronizer Cone hub ring gear to locate to carry out processing or checking, there is the axiality of the Synchronizer Cone hub external tooth that processes and internal tooth and the conical surface and pitch circle to beat unstable, overproof problem, after this Synchronizer Cone hub loading transmission assembly, there is the phenomenon that noise is large, the life-span is short.
Summary of the invention
The present invention is directed to above-mentioned prior art Problems existing to make improvements, so propose the mechanism of a kind of positioning synchronous device cone hub, this mechanism utilizes the flank of tooth at Synchronizer Cone hub ring gear reference circle place to locate, and ensure that the external tooth of Synchronizer Cone hub and the axiality of internal tooth and the conical surface and pitch circle are beated.
Technical scheme of the present invention is achieved in that the mechanism of a kind of positioning synchronous device cone hub, comprise axle and be fixed on positioning disk in described axle, described axle comprises the axle body set gradually from left to right, the axle collar, axle journal and spindle nose, on described axle journal, slip cap is connected to Positioning Gear, on described spindle nose, slip cap is connected to clamping sleeve, described clamping sleeve is provided with opening towards cavity that is left and that be slidably matched with described spindle nose, the right-hand member of described clamping sleeve is closed, the right side of described clamping sleeve is provided with the second centre bore, described second centre bore runs through the right side wall of described clamping sleeve, to make the ft connection of described cavity and described clamping sleeve, described positioning disk is fixed on the right side of the described axle collar, the middle part of described positioning disk is provided with opening groove to the right, described Positioning Gear is between described positioning disk and described clamping sleeve, the tip diameter of described Positioning Gear is less than the minimum inscribed circle diameter of described groove and is greater than the diameter of the opening of described cavity, the cross section of the tooth of described Positioning Gear is trapezoidal, and the less one end of the cross-sectional width of the tooth of described Positioning Gear is towards described positioning disk, the periphery of described spindle nose is evenly distributed with helicla flute, the right side of described spindle nose is provided with the counterbore extended left, is provided with spring in described counterbore, and the left end of described spring is fixed on the bottom of described counterbore, and the right-hand member of described spring is conflicted on the right side wall of described cavity.
Adopt technique scheme, axle loads Positioning Gear, Positioning Gear cylindrical is distributed with and tooth module in Synchronizer Cone hub, tooth that pressure angle is identical, and the cross section of this tooth is trapezoidal tapering tooth, after Positioning Gear loads Synchronizer Cone hub, engage with the tapering tooth of Positioning Gear with the flank of tooth at Synchronizer Cone hub internal tooth reference circle place, then on spindle nose, load clamping sleeve and utilize the tailstock center of lathe to hold out against clamping sleeve, drive Positioning Gear moves forward, Synchronizer Cone hub and Positioning Gear relative sliding until clamp, thus compress Synchronizer Cone hub; The periphery of spindle nose is evenly distributed with helicla flute, and when loading clamping sleeve, helicla flute plays the effect of oil extraction, exhaust, discharge impurity, prevents clamping sleeve from blocking; Arrange spring between spindle nose and clamping sleeve, after machining, paralysis can head on clamping sleeve and move right, and reduces the difficulty of taking off clamping sleeve, improves the speed of taking off Synchronizer Cone hub, promote working (machining) efficiency.
Further, the left side of described axle is provided with the first centre bore.
Further, the angle of two hypotenuses of the cross section of the tooth of described Positioning Gear is 4 ° ~ 10 °.
The present invention has following beneficial effect: structure of the present invention is simple, easy to assembly, workpiece loading and unloading is fast, and use the flank of tooth at step device cone hub ring gear reference circle place to position, this locating surface is safe and reliable, positioning precision is high, ensure that the coaxiality error of Synchronizer Cone hub internal tooth and external tooth, ensure that the pitch circle of external tooth is beated, also ensure that the conical surface of Synchronizer Cone hub is beated, thus ensure that product quality, can noise be reduced after transmission assembly loaded onto by the Synchronizer Cone hub processed.
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 mechanism of positioning synchronous device of the present invention cone hub;
Fig. 2 is the structural representation of the tooth of Fig. 1 Positioning Gear.
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 mechanism of a kind of positioning synchronous device cone hub as shown in Figure 1 to Figure 2, comprise axle 1 and be fixed on positioning disk 2 in axle 1, axle 1 comprises the axle body set gradually from left to right, the axle collar 8, axle journal 9 and spindle nose 10, on axle journal 9, slip cap is connected to Positioning Gear 3, on spindle nose 10, slip cap is connected to clamping sleeve 4, clamping sleeve 4 is provided with opening towards cavity that is left and that be slidably matched with spindle nose 10, the right-hand member of clamping sleeve 4 is closed, the right side of clamping sleeve 4 is provided with the second centre bore 12, second centre bore 12 runs through the right side wall of clamping sleeve 4, to make the ft connection of cavity and clamping sleeve 4, the gas in cavity can be discharged by the second centre bore 12, positioning disk 2 is fixed on the right side of the axle collar 8, the middle part of positioning disk 2 is provided with opening groove to the right, Positioning Gear 3 is between positioning disk 2 and clamping sleeve 4, the tip diameter of Positioning Gear 3 is less than the minimum inscribed circle diameter of groove and is greater than the diameter of the opening of cavity, the cross section of the tooth of Positioning Gear 3 is trapezoidal, and the less one end of the cross-sectional width of the tooth of Positioning Gear 3 is towards positioning disk 2, the periphery of spindle nose 10 is evenly distributed with helicla flute 14, the right side of spindle nose 10 is provided with the counterbore 11 extended left, is provided with spring 13 in counterbore 11, and the left end of spring 13 is fixed on the bottom of counterbore 11, and the right-hand member of spring 13 is conflicted on the right side wall of cavity.
Further, the left side of axle 1 is provided with the first centre bore 7.
Further, the angle of two hypotenuses of the cross section of the tooth of Positioning Gear 3 is 4 ° ~ 10 °.
The present invention in use, axle journal 9 loads Positioning Gear 3, and Positioning Gear 3 loads Synchronizer Cone hub 5, then on spindle nose 10, loads clamping sleeve 4 and utilizes the tailstock center of lathe to hold out against clamping sleeve 4.Hold out against in process, clamping sleeve 4 heads on Positioning Gear 3 and moves to positioning disk 2, Positioning Gear 3 slides on axle journal 9, no longer move after Synchronizer Cone hub 5 contacts positioning disk 2, now Positioning Gear 3 continues to move in the groove on positioning disk 2, Synchronizer Cone hub 5 by the tooth of Positioning Gear 3 cross-sectional width comparatively small end move to larger end, until Synchronizer Cone hub 5 and Positioning Gear 3 hold out against.Now the flank of tooth at Synchronizer Cone hub 5 internal tooth reference circle place engages with the tooth of Positioning Gear 3, then just can process external tooth and the conical surface of Synchronizer Cone hub 5.
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 (3)
1. the mechanism of a positioning synchronous device cone hub, comprise axle (1) and be fixed on the upper positioning disk (2) of described axle (1), it is characterized in that: described axle (1) comprises the axle body set gradually from left to right, the axle collar (8), axle journal (9) and spindle nose (10), the upper slip cap of described axle journal (9) is connected to Positioning Gear (3), the upper slip cap of described spindle nose (10) is connected to clamping sleeve (4), described clamping sleeve (4) is provided with opening towards cavity that is left and that be slidably matched with described spindle nose (10), the right-hand member of described clamping sleeve (4) is closed, the right side of described clamping sleeve (4) is provided with the second centre bore (12), described second centre bore (12) runs through the right side wall of described clamping sleeve (4), to make the ft connection of described cavity and described clamping sleeve (4), described positioning disk (2) is fixed on the right side of the described axle collar (8), the middle part of described positioning disk (2) is provided with opening groove to the right, described Positioning Gear (3) is positioned between described positioning disk (2) and described clamping sleeve (4), the tip diameter of described Positioning Gear (3) is less than the minimum inscribed circle diameter of described groove and is greater than the diameter of the opening of described cavity, the cross section of the tooth of described Positioning Gear (3) is trapezoidal, and the less one end of the cross-sectional width of the tooth of described Positioning Gear (3) is towards described positioning disk (2), the periphery of described spindle nose (10) is evenly distributed with helicla flute (14), the right side of described spindle nose (10) is provided with the counterbore (11) extended left, spring (13) is provided with in described counterbore (11), the left end of described spring (13) is fixed on the bottom of described counterbore (11), and the right-hand member of described spring (13) is conflicted on the right side wall of described cavity.
2., according to the mechanism of positioning synchronous device cone hub according to claim 1, it is characterized in that: the left side of described axle (1) is provided with the first centre bore (7).
3., according to the mechanism of positioning synchronous device cone hub according to claim 1, it is characterized in that: the angle of two hypotenuses of the cross section of the tooth of described Positioning Gear (3) is 4 ° ~ 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510879551.4A CN105397206A (en) | 2015-12-05 | 2015-12-05 | Synchronizer cone hub positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510879551.4A CN105397206A (en) | 2015-12-05 | 2015-12-05 | Synchronizer cone hub positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105397206A true CN105397206A (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510879551.4A Pending CN105397206A (en) | 2015-12-05 | 2015-12-05 | Synchronizer cone hub positioning mechanism |
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| CN (1) | CN105397206A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3143363A1 (en) * | 1981-11-02 | 1983-05-11 | Bayerisches Leichtmetallwerk Graf Blücher von Wahlstatt GmbH & Co KG, 8000 München | Power-operated chuck for turning bevel gears, pinions or suchlike workpieces |
| CN202768720U (en) * | 2012-09-06 | 2013-03-06 | 宁波凯瑞汽车零部件有限公司 | Piston structure |
| CN202790039U (en) * | 2012-07-22 | 2013-03-13 | 宁波捷成轴业有限公司 | Gear shaft with guide oil grooves |
| CN203330536U (en) * | 2013-05-31 | 2013-12-11 | 温岭市明华齿轮有限公司 | Elastic gear shaving clamp |
| CN104057158A (en) * | 2013-03-20 | 2014-09-24 | 泰州市里华齿轮厂 | Gear shaping and expanding fixture |
| 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 |
| CN204195358U (en) * | 2014-10-28 | 2015-03-11 | 綦江祥和机械有限公司 | Be applicable to the fixture of Synchronizer Cone hub |
-
2015
- 2015-12-05 CN CN201510879551.4A patent/CN105397206A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3143363A1 (en) * | 1981-11-02 | 1983-05-11 | Bayerisches Leichtmetallwerk Graf Blücher von Wahlstatt GmbH & Co KG, 8000 München | Power-operated chuck for turning bevel gears, pinions or suchlike workpieces |
| CN202790039U (en) * | 2012-07-22 | 2013-03-13 | 宁波捷成轴业有限公司 | Gear shaft with guide oil grooves |
| CN202768720U (en) * | 2012-09-06 | 2013-03-06 | 宁波凯瑞汽车零部件有限公司 | Piston structure |
| CN104057158A (en) * | 2013-03-20 | 2014-09-24 | 泰州市里华齿轮厂 | Gear shaping and expanding fixture |
| CN203330536U (en) * | 2013-05-31 | 2013-12-11 | 温岭市明华齿轮有限公司 | Elastic gear shaving clamp |
| 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 |
| CN204195358U (en) * | 2014-10-28 | 2015-03-11 | 綦江祥和机械有限公司 | Be applicable to the fixture of Synchronizer Cone hub |
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Application publication date: 20160316 |
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