CN203765379U - Aligning device for machining key slots with strict phase requirements in inner hole of gear - Google Patents
Aligning device for machining key slots with strict phase requirements in inner hole of gear Download PDFInfo
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- CN203765379U CN203765379U CN201420108517.8U CN201420108517U CN203765379U CN 203765379 U CN203765379 U CN 203765379U CN 201420108517 U CN201420108517 U CN 201420108517U CN 203765379 U CN203765379 U CN 203765379U
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- plate
- location
- alignment device
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- strict phase
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- 238000003754 machining Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Abstract
The utility model discloses an aligning device for machining key slots with strict phase requirements in the inner hole of a gear. The aligning device comprises two mounting holes symmetrically arranged in the inner edge of the outer end of a locating plate along the central line, wherein a fixing pin is mounted in each mounting hole, a long slot is machined in the inner edge of the inner end of the locating plate along the central line, a movable pin is movably arranged in the long slot, the end of the movable pin is hooked on the upper edge of the long slot, a vertical baffle is fixedly mounted on the inner end face of the locating plate, a propping bolt is mounted in a screw hole formed in the baffle corresponding to the central line of the locating plate and propped against the movable pin, and an aligning surface is machined on the locating plate. The aligning device provided by the utility model is simple in structure, easy to operate and high in accuracy.
Description
Technical field
The utility model belongs to plant equipment manufacturing technology field, for the keyway processing that has strict phase place to require with specific tooth on bore, the alignment device while relating to the strict phase position key slot of a kind of machining gears endoporus.
Background technology
Gear is one of parts conventional and important in plant equipment, general and the axle of the gear of the various hard flank of tooth or the soft flank of tooth is felt relieved with endoporus, adopt various keys to realize location and transmitting torque, comprise various splines, tangential keys and general flat key etc., therefore the phase relation of key and certain specific tooth of gear will determine the phase relation of axle and certain specific tooth, thereby determines the phase relation of mechanical system and certain specific tooth.Some gears, owing to being subject to the restriction of internal mechanism, need accurately to control the phase relation of certain specific tooth and mechanical system, and this just needs accurately to control the phase relation of keyway and certain specific tooth.
The processing method of keyway on existing bore, mainly comprise slotting machine and two kinds of modes of line cutting, these two kinds of processing modes will accurately be controlled the phase relation of keyway and certain specific tooth all need to be at the accurate centering of first being processed, because the flank profil of gear is the such curve of involute, cannot be by drawing table centering accurately to control the phase relation of keyway and certain specific tooth, the method adopting is at present to determine to the layout line the phase relation of gear inner hole key slot and certain specific tooth, this method manual control, precision is very low, conventionally be difficult to reach the required precision of mechanical system to this phase place, finally the precision of mechanical system is made a big impact.Therefore, find a kind of method, thereby realize in the accurate phase relation of keyway and certain specific tooth on control gear endoporus of the accurate centering of first being processed, become technological difficulties of machine industry.
Utility model content
Alignment device when the purpose of this utility model is to provide the strict phase position key slot of a kind of machining gears endoporus, solves the problem that the precision that existing aligning method exists is low, affect product quality.
The technical scheme that the utility model adopts is, alignment device during the strict phase position key slot of a kind of machining gears endoporus, its feature is: comprise location-plate, in the outer end of location-plate, along be provided with two symmetrical installing holes along center line, be separately installed with a steady pin in each installing hole; In the inner of location-plate, along being processed with elongated slot along center line, be movably set with moving pin in elongated slot, the moving pin termination of moving pin is hooked on edge on elongated slot.
Alignment device during the strict phase position key slot of machining gears endoporus of the present utility model, its feature is also:
The diameter of moving pin is consistent with the diameter of steady pin; The installing hole equal diameters of the width dimensions of elongated slot and steady pin.
On location-plate, be processed with centering face; The desired direction of the direction of centering face and angular dimension and keyway and in the same size.
The inner face of location-plate is installed with the baffle plate of vertical direction, in the screw of offering, is equipped with and holds out against screw at the center line correspondence position of baffle plate and location-plate, holds out against screw and holds out against and contact with moving pin.
Baffle plate and location-plate adopt bolt closing.
The beneficial effects of the utility model are, this device is simple, simple to operate, the accurate phase relation of keyway and certain specific tooth on control gear endoporus, and control accuracy is high, good product quality.
Accompanying drawing explanation
Fig. 1 is the workpiece gear structural representation of the utility model processing object;
Fig. 2 is the structural representation (main looking) of the utility model alignment device;
Fig. 3 is the A-A cross-sectional view of Fig. 2;
Fig. 4 is the structural representation of the location-plate in the utility model alignment device;
Fig. 5 is the schematic diagram (main looking) that the utility model alignment device is installed on workpiece gear;
Fig. 6 is the B-B cutaway view of Fig. 5;
Fig. 7 is the location status schematic diagram that the utility model alignment device completes workpiece gear after centering.
In figure, 1. workpiece gear, 2. specific tooth, 3. keyway, 4. location-plate, 5. steady pin, 6. elongated slot, 7. moving pin, 8. centering face, 9. baffle plate, 10. holds out against screw, 11. moving pin terminations.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
With reference to Fig. 1, be the workpiece gear 1 of the utility model target, between the keyway 3 on it and specific tooth 2, there is strict phase place requirement, the angle between keyway 3 and the radial line at specific tooth 2 places is A1, the diameter of bore of workpiece gear 1 is K.
With reference to Fig. 2, Fig. 3 and Fig. 4, the structure of alignment device of the present utility model is, comprise location-plate 4, in the outer end of location-plate 4, along (during actual installation towards workpiece gear 1 circumferencial direction) along center line, be provided with two symmetrical installing holes, in each installing hole, be separately installed with a steady pin 5; In the inner of location-plate 4, along (during actual installation towards workpiece gear 1 endoporus direction), along center line, be processed with elongated slot 6, be movably set with moving pin 7 in elongated slot 6, the moving pin termination 11 of moving pin 7 is hooked on edge on elongated slot 6;
At the inner face of location-plate 4, be installed with the baffle plate 9 of vertical direction, baffle plate 9 adopts bolt closing with location-plate 4, in the screw of offering at baffle plate 9 and the center line correspondence position of location-plate 4, be equipped with and hold out against screw 10, hold out against screw 10 and hold out against moving pin 7 for (direction outward);
On location-plate 4, be processed with centering face 8, the direction of centering face 8 and angular dimension should with the desired direction of keyway 3 and in the same size, in Fig. 2, the angle A shown in embodiment 2 equals angle A 1.
The nominal dimension of the diameter d 1 of steady pin 5 calculates as follows:
d1=M×π/2，
Wherein, the modulus that M is workpiece gear, for easily manufactured, the d1 numerical value calculating by above formula can carry out rounding;
Determined after the nominal dimension of diameter d 1 of each steady pin 5, determined the corresponding installing hole nominal dimension D1 (seeing Fig. 4) arranging with it, for guaranteeing precision and easily processing, the tolerance of steady pin 5 installing holes is got H7, the diameter d 1 of steady pin 5 coordinates and manufactures with installing hole D1, both magnitudes of interference are controlled at 0.02, have so both guaranteed positioning precision, can not be difficult to again assembling.
At the non-operative end axle of steady pin 5, adopt circlip auxiliary positioning, to avoid in use procedure, the vibration of steady pin 5 in installing hole when the situation such as being collided.The pitch-row size B of two steady pin 5 installing holes calculates as follows:
B=M×Z×SIN(180°/Z)，
Wherein, the modulus that M is workpiece gear, the number of teeth that Z is workpiece gear, for easily manufactured, the B numerical value calculating by above formula can also carry out rounding as required.
Diameter d 1 consistent size of the nominal dimension of the diameter d 2 of moving pin 7 and steady pin 5, for being installed, the nominal dimension of width dimensions C of the elongated slot 6 of moving pin 7 equates with D1, tolerance is got H7, the diameter d 2 of moving pin 7 coordinates and manufactures with the width dimensions C of elongated slot 6 during fabrication, guarantee that assembly clearance is controlled at 0.02, so both guaranteed positioning precision and can move, also reduced difficulty of processing, the width dimensions C of elongated slot 6 should guarantee the symmetry with the pitch-row size B of the installing hole of two steady pins 5 during fabrication simultaneously.
Distance size A (seeing Fig. 4) between the central point of elongated slot 6 length directions and the installing hole center of circle of steady pin 5, calculates by following formula:
A=M×Z×COS(180°/Z)-K/2+C/2，
Wherein, the modulus that M is workpiece gear; Z is the number of teeth of workpiece gear; K is the diameter of bore of workpiece gear; C is the width of elongated slot 6.
The angle of the vertical line angle A2(of centering face 8 and two installing hole circle center line connectings or centering face 8 and elongated slot 6), according to the desired included angle A 1 of keyway 3 and specific tooth 2, make, A2 is consistent with A1 numerical value, for beating table centering.
The centering process of the utility model device is:
Step 1, according to the precision of figure paper size and product requirement (comprising A1, K, M, Z etc.), according to above-mentioned formula, calculate respectively the dimensional parameters (comprising A, B, C, E, d1, d2 etc.) of each parts of alignment device, sized data is made each parts (comprising two steady pins 5, moving pin 7, location-plate 4) accordingly, again according to Fig. 2 and Fig. 3, the alignment device that all assembling parts are integrated;
Step 2, as Fig. 5 and Fig. 6, workpiece gear 1 is lain on platen, alignment device is arranged on workpiece gear 1, two steady pins 5 are clamped to specific tooth 2 from two lateral tooth flanks, moving pin 7 is put in the endoporus of workpiece gear 1, when buttressing moving pin termination 11 on regulating fender 9, hold out against screw 10, make to hold out against screw 10 and hold out against moving pin 7, until moving pin 7 is adjacent to the endoporus hole wall of workpiece gear 1, now two steady pins 5 can contact with specific tooth 2 and with the involute flank of specific tooth 2 adjacent teeth simultaneously, thereby alignment device integral body is fixed on workpiece gear 1, alignment device and workpiece gear 1 are connected as one.
Step 3, utilize centering dial gauge, on centering face 8, beat table centering, turning of work piece gear 1(alignment device is fixed thereon together and rotates simultaneously), until the direction of centering face 8 and lathe laterally or longitudinally one of them direction of motion is parallel all can, complete centering, end-state as shown in Figure 7, now, keyway position to be processed is positioned at (being vertical centerline direction) under workpiece gear 1 endoporus, then workpiece gear 1 and platen is fixed, alignment device is removed, can enter follow-up technique, the keyway of processing work gear 1 endoporus below.
Claims (5)
1. alignment device during the strict phase position key slot of machining gears endoporus, its feature is: comprise location-plate (4), in the outer end of location-plate (4), along be provided with two symmetrical installing holes along center line, in each installing hole, be separately installed with a steady pin (5); In the inner of location-plate (4), along being processed with elongated slot (6) along center line, be movably set with moving pin (7) in elongated slot (6), the moving pin termination (11) of moving pin (7) is hooked on the upper edge of elongated slot (6).
2. alignment device during the strict phase position key slot of machining gears endoporus according to claim 1, its feature is: the diameter of described moving pin (7) is consistent with the diameter of steady pin (5); The installing hole equal diameters of the width dimensions of elongated slot (6) and steady pin (5).
3. alignment device during the strict phase position key slot of machining gears endoporus according to claim 1, its feature is: on location-plate (4), be processed with centering face (8); The direction of centering face (8) and angular dimension and keyway (3) desired direction and in the same size.
4. alignment device during the strict phase position key slot of machining gears endoporus according to claim 1, its feature is: the inner face of described location-plate (4) is installed with the baffle plate (9) of vertical direction, in the screw of offering at baffle plate (9) and the center line correspondence position of location-plate (4), be equipped with and hold out against screw (10), hold out against screw (10) and hold out against and contact with moving pin (7).
5. alignment device during the strict phase position key slot of machining gears endoporus according to claim 4, its feature is: described baffle plate (9) adopts bolt closing with location-plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108517.8U CN203765379U (en) | 2014-03-11 | 2014-03-11 | Aligning device for machining key slots with strict phase requirements in inner hole of gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108517.8U CN203765379U (en) | 2014-03-11 | 2014-03-11 | Aligning device for machining key slots with strict phase requirements in inner hole of gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203765379U true CN203765379U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420108517.8U Expired - Lifetime CN203765379U (en) | 2014-03-11 | 2014-03-11 | Aligning device for machining key slots with strict phase requirements in inner hole of gear |
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| Country | Link |
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| CN (1) | CN203765379U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078354A (en) * | 2016-08-18 | 2016-11-09 | 中钢集团西安重机有限公司 | A kind of frock and alignment method thereof determining that pinion cutter initiates cutter location |
| CN106624091A (en) * | 2016-12-30 | 2017-05-10 | 山东金辰机械股份有限公司 | Gear shaft key slot processing position determining method |
| CN107253029A (en) * | 2017-07-17 | 2017-10-17 | 扬力集团股份有限公司 | Ensure two point punch crank corner consistent keyway processing method and frock |
| CN115026603A (en) * | 2022-06-16 | 2022-09-09 | 东风汽车零部件(集团)有限公司刃量具分公司 | Device for automatically aligning inner hole of gear with key groove and aligning method thereof |
-
2014
- 2014-03-11 CN CN201420108517.8U patent/CN203765379U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078354A (en) * | 2016-08-18 | 2016-11-09 | 中钢集团西安重机有限公司 | A kind of frock and alignment method thereof determining that pinion cutter initiates cutter location |
| CN106078354B (en) * | 2016-08-18 | 2018-05-25 | 中钢集团西安重机有限公司 | A kind of frock and its alignment method of definite pinion cutter starting cutter location |
| CN106624091A (en) * | 2016-12-30 | 2017-05-10 | 山东金辰机械股份有限公司 | Gear shaft key slot processing position determining method |
| CN107253029A (en) * | 2017-07-17 | 2017-10-17 | 扬力集团股份有限公司 | Ensure two point punch crank corner consistent keyway processing method and frock |
| CN107253029B (en) * | 2017-07-17 | 2023-09-29 | 扬力集团股份有限公司 | Key groove processing method and tool for ensuring consistent crank angle of double-point punch press |
| CN115026603A (en) * | 2022-06-16 | 2022-09-09 | 东风汽车零部件(集团)有限公司刃量具分公司 | Device for automatically aligning inner hole of gear with key groove and aligning method thereof |
| CN115026603B (en) * | 2022-06-16 | 2023-10-24 | 东风汽车零部件(集团)有限公司刃量具分公司 | Device and method for automatically aligning inner hole of gear with key groove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
|
| CX01 | Expiry of patent term |