CN108637403A - A kind of fan tooth positioning apparatus for circumferential direction and the fixture comprising the device - Google Patents
A kind of fan tooth positioning apparatus for circumferential direction and the fixture comprising the device Download PDFInfo
- Publication number
- CN108637403A CN108637403A CN201810463156.1A CN201810463156A CN108637403A CN 108637403 A CN108637403 A CN 108637403A CN 201810463156 A CN201810463156 A CN 201810463156A CN 108637403 A CN108637403 A CN 108637403A
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- positioning
- fixed
- tooth
- detent mechanism
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention relates to tooth part machining tool technical fields, and in particular to a kind of fan tooth positioning apparatus for circumferential direction and the fixture comprising the device.Positioning device includes support element, telescoping mechanism, positioning plate and positioning ball, the positioning ball is spherical shape structure, and the material for positioning ball is steel or hard alloy, and telescoping mechanism is fixedly installed on support element, positioning plate is fixed on the telescopic shaft of telescoping mechanism, and two groups of positioning balls are fixed on positioning plate.Fixture includes above-mentioned positioning device, further include pedestal, the first detent mechanism and the second detent mechanism, positioning device is fixed on pedestal, first detent mechanism and the second detent mechanism are fixed on the both sides on pedestal and positioned at positioning device, the first detent mechanism and the second detent mechanism for fan tooth workpiece both sides to be clamped.The positioning device can greatly improve positioning accuracy, and can reduce surplus when roughing, to effectively increase tooth face hardness and improve processing efficiency, reduce workpiece scrappage.
Description
Technical field
The present invention relates to tooth part machining tool technical fields, and in particular to a kind of fan tooth positioning apparatus for circumferential direction and comprising
The fixture of the device.
Background technology
For the axis shape workpiece with fan tooth, fan tooth needs to ensure tooth form teeth directional by grinding after heat treatment.
Before carrying out grinding action to fan tooth, the device to fan tooth practical center positioning is needed, middle tooth is positioned at fixed position, to
Workpiece is rotated to machining angle, ensures the precision of fan tooth grinding.
Existing fan tooth positioning device is generally positioned using cylindrical structure, i.e., carries out cylinder and two flank of tooth of middle tooth
Face contacts, and when telescoping mechanism drives cylinder to resist middle two flank of tooth of tooth, clamping action will turn to processing with moving axis shape workpiece
Angle.But due to cylinder compression effect under deformation and its contacted with the face of the flank of tooth, to fan tooth effect of contraction compared with
It is weak, therefore positioning accuracy can be caused relatively low.In lower positioning accuracy, general solution is that workpiece is made slightly to add
Working hour reserves more surpluses, and the increase of surplus brings finished workpart tooth face hardness low and what grinding process beat was grown asks
Topic, not only efficiency is low but also flank of tooth mill is not white, scrappage is high.
Therefore, there is an urgent need for a kind of positioning devices by people, can effectively improve the positioning accuracy of the flank of tooth, can reduce and add indirectly
Spare time measures, and to improve tooth face hardness, processing efficiency, reduces workpiece scrappage.
Invention content
The technical problems to be solved by the invention are:A kind of fan tooth positioning apparatus for circumferential direction is provided, the flank of tooth can be effectively improved
Positioning accuracy, to reducing members roughing when surplus, avoid due to surplus it is excessive caused by finished product tooth face hardness it is low and mill
Cut that process rhythm is long and its caused flank of tooth mill is not white, the high problem low with processing efficiency of scrappage.
The present invention also provides a kind of fixtures including above-mentioned positioning device, using positioning device position and to axis shape
After workpiece is clamped, above-mentioned technical problem can be equally solved.
Used technical solution is to solve above-mentioned technical problem:
A kind of fan tooth positioning apparatus for circumferential direction, including support element, telescoping mechanism, positioning plate and positioning ball, the positioning ball is
Spherical shape structure, and the material for positioning ball is steel or hard alloy, the telescoping mechanism is fixedly installed on support element, described fixed
Position plate is fixed on the telescopic shaft of telescoping mechanism, and ball is positioned described in two groups and is fixed on positioning plate, the telescoping mechanism drives institute
Positioning plate is stated to move along axis direction of stretching.
In a preferred embodiment, the telescoping mechanism is cylinder.
In a preferred embodiment, further include position-limit mechanism, in the position-limit mechanism and support element, positioning plate
At least one fixation, the position-limit mechanism are used to prevent locating piece from being moved perpendicular to the direction that telescopic shaft stretches.
In a preferred embodiment, there are two the position-limit mechanisms, and include sliding rail and sliding block, the sliding rail and
Sliding block is slidably connected, and the sliding block is fixed on the both sides of locating piece, and the sliding rail corresponds to the both sides that sliding block is fixed on support element.
In a preferred embodiment, there are two the position-limit mechanisms, and include sliding rail and sliding block, the sliding rail and
Sliding block is slidably connected, and the sliding rail is fixed on the both sides of locating piece, and the sliding block corresponds to the both sides that sliding rail is fixed on support element.
In a preferred embodiment, further include pedestal, the first detent mechanism and the second detent mechanism, the positioning
Device is fixed on pedestal, and first detent mechanism and the second detent mechanism are connected on pedestal and positioned at the two of positioning device
Side, first detent mechanism and the second detent mechanism are for being clamped fan tooth workpiece both sides, and the positioning device is for being fanned
Positioning of the tooth rim to center.
In a preferred embodiment, first detent mechanism includes that fixed block and first are top, the fixation
Block is fixed on pedestal, and described first top is installed on fixed block.
In a preferred embodiment, second detent mechanism includes dividing head, the second top and clamping jaw, described
Dividing head is slidably connected with pedestal, described second it is top be installed on dividing head, the clamping jaw is installed on the second top both sides.
The beneficial effects of the invention are as follows:
(1) by the way that at least two spherical balls that position are fixed on positioning plate, when positioning plate is with the telescopic shaft of telescoping mechanism
It resists in workpiece after the flank of tooth of two heel teeth of tooth, since positioning ball material is steel, makes itself and the deformation quantity pole that is squeezed after face
It is small, so that the face of positioning ball and two heel teeths is formed point contact, to greatly improve positioning accuracy.
(2) indirectly, under the premise of improving positioning accuracy, when roughing, may be reduced by allowance, to effectively carry
High tooth face hardness simultaneously improves processing efficiency, reduces workpiece scrappage.
Description of the drawings:
Fig. 1 is:The stereogram of positioning device described in the embodiment of the present invention 1;
Fig. 2 is:The explosive view of positioning device described in the embodiment of the present invention 1;
Fig. 3 is:The sectional view of positioning device described in the embodiment of the present invention 1;
Fig. 4 is:The stereogram of positioning device described in the embodiment of the present invention 2;
Fig. 5 is:The explosive view of positioning device described in the embodiment of the present invention 2;
Fig. 6 is:The sectional view of positioning device described in the embodiment of the present invention 2;
Fig. 7 is:The side view of fixture described in the embodiment of the present invention 3;
Fig. 8 is:The stereogram of fixture described in the embodiment of the present invention 3;
Fig. 9 is:Partial enlarged view of the fixture described in the embodiment of the present invention 3 in fan tooth position location.
Each reference numeral is in figure:1:Fan tooth positioning apparatus for circumferential direction, 11:Support element, 111:Screw rod, 12:Cylinder, 121:It stretches
Contracting axis, 13:Positioning plate, 14:Positioning ball, 151:Sliding rail, 152:Sliding block, 2:Pedestal, 31:Fixed block, 32:First is top, and 41:Point
Degree head, 42:Second is top, and 43:Clamping jaw, 44:Sliding equipment, 5:Fan tooth workpiece, 51:Middle tooth, 52:Heel teeth.
Specific implementation mode:
With reference to each attached drawing, the present invention is described in detail.
Embodiment 1
The fan tooth positioning apparatus for circumferential direction 1 described in the present embodiment includes support element 11, telescoping mechanism, determines combined with Figure 1 and Figure 2,
Position plate 13 and positioning ball 14, it is preferred that telescoping mechanism is cylinder 12.Cylinder 12 is fixed on by screw rod 111 on support element 11,
Cylinder 12 has there are three telescopic shaft 121,121 connected positioning plate 13 of telescopic shaft.There is on positioning plate 13 in the middle part of top surface a groove,
The groove can be contacted with the bottom surface forming face of tooth in fan tooth workpiece, and a positioning ball 14 is respectively fixedly mounted on the both sides of groove,
The material for positioning ball 14 is hard alloy, is connect this is because positioning ball 14 needs the flank of tooth with the heel teeth of fan tooth workpiece to form point
It touches, therefore, the hardness for positioning ball 14 is bigger, and when the flank of tooth formation extruding force of heel teeth, is less susceptible to generate deformation, more connect
It is bordering on point contact, locating effect is better.
It is illustrated in figure 3 the sectional view of positioning device 1 described in the present embodiment, when the telescopic shaft 121 of cylinder 12 drives positioning
When plate 13 moves upwards, the soffit plane of tooth in the groove contact of positioning plate 13, and position side of the ball 14 respectively with middle tooth both sides
Tooth forms point contact, and fan tooth workpiece receives the positioning action of positioning device 1 to angle of becoming a full member, to accurately correspond to milling machine
Grinding action.
Embodiment 2
The present embodiment and embodiment 1 difference lies in:In conjunction with Fig. 4 and Fig. 5, on the two sides inner wall of support element 11 respectively
It is fixed with sliding rail 151, it is corresponding, sliding block 152 is installed in the two sides of positioning plate 13, sliding block 152 can be slided on sliding rail 151
It is dynamic.As shown in fig. 6, when the telescopic shaft 121 of cylinder 12 drives positioning plate 13 to move up and down, positioning plate is along the direction of sliding rail 151
Oriented sliding.
The effect that sliding rail 151 and sliding block 152 are added in the present embodiment is:Due to the telescopic shaft 121 and gas of cylinder 12
There are gaps between 12 ontology of cylinder, when positioning ball 14 withstands heel teeth both sides, since heel teeth both sides are inclined surface, to positioning ball
14 have lateral stress, therefore will result in positioning plate 13 and tilted due to the presence in gap, leverage positioning accuracy.Add
Enter sliding rail 151 and sliding block 152, the operation perpendicular to 121 direction of telescopic shaft is limited, to eliminate due to 12 He of cylinder
The problem of positioning accuracy caused by existing gap declines between telescopic shaft 121, further improves the precision of positioning.
Embodiment 3
The present embodiment is specifically illustrated comprising the fixture for fanning tooth positioning apparatus for circumferential direction 1 described in embodiment 2, is illustrated in figure 7
The side view of fixture described in the present embodiment.The fixture includes pedestal 2, fan tooth positioning apparatus for circumferential direction 1, the first detent mechanism and the
Two detent mechanisms.Wherein, the first detent mechanism includes fixed block 31 and first top 32, and fixed block 31 is fixed on pedestal 2, the
One top 31 is fixed on fixed block 31, and therefore, the first detent mechanism is relative to 2 fixed installations of pedestal.Second detent mechanism
It is fixed on pedestal 2 including dividing head 41, second top 42, clamping jaw 43 and sliding equipment 44, sliding equipment 44, dividing head 41 exists
It is slided on sliding equipment, second top 42 is equipped in one end of dividing head 41, clamping jaw is installed in second top 42 both sides
43.The operation principle of the fixture is:By first top 32 and second top 42 respectively against fan tooth workpiece 5 both ends,
After fanning tooth positioning apparatus for circumferential direction 1 to workpiece fan tooth progress centralized positioning, clamping jaw 43 clamps fan tooth workpiece 5 and is ground.
Hereinafter, the course of work to fixture elaborates.
As shown in figure 8, by the both ends of fan tooth workpiece 5 respectively against first top 32 and second top 42, clamping jaw 43 is in
Releasing orientation, at this point, fan tooth workpiece 5 can along the straight line that first top 32 and second top 42 is constituted axial rotation.At this point, fan
The positioning ball 14 of tooth positioning apparatus for circumferential direction 1 moves upwards under the drive of cylinder 12, as shown in figure 9, two positioning balls 14 push up respectively
Firmly on the flank of tooth of two heel teeths 52 of fan tooth workpiece 5, the groove of positioning plate 13 withstands the bottom plane of middle tooth 51, fan tooth workpiece 5 by
Detent force to positioning ball 14 completes positioning.Later, clamping jaw 43 is clamped, to make fan tooth workpiece 5 stop operating in the axial direction,
Then make cylinder 12 that positioning plate 13 be driven to move downward disengaging and fan the contact of tooth workpiece 5, ground using milling machine centering tooth 51
Cut operation.
The foregoing is merely the preferred embodiment of the present invention, not thereby limit the scope of patent protection of the present invention, all
It is directly or indirectly to be used in other relevant technologies with equivalent structure transformation made by description of the invention and accompanying drawing content
Field includes similarly within the scope of the present invention.
Claims (8)
1. a kind of fan tooth positioning apparatus for circumferential direction, which is characterized in that described including support element, telescoping mechanism, positioning plate and positioning ball
Positioning ball is spherical shape structure, and the material for positioning ball is steel or hard alloy, and the telescoping mechanism is fixedly installed in support element
On, the positioning plate is fixed on the telescopic shaft of telescoping mechanism, and ball is positioned described in two groups and is fixed on positioning plate, the telescopic machine
Structure drives the positioning plate to be moved along axis direction of stretching.
2. a kind of fan tooth positioning apparatus for circumferential direction as described in claim 1, which is characterized in that the telescoping mechanism is cylinder.
3. a kind of fan tooth positioning apparatus for circumferential direction as described in claim 1, which is characterized in that further include position-limit mechanism, the limit
Position at least one of mechanism and support element, positioning plate are fixed, and the position-limit mechanism is for preventing locating piece perpendicular to flexible
The flexible direction movement of axis.
4. a kind of fan tooth positioning apparatus for circumferential direction as claimed in claim 3, which is characterized in that there are two the position-limit mechanisms, and
Including sliding rail and sliding block, the sliding rail and sliding block are slidably connected, and the sliding block is fixed on the both sides of locating piece, and the sliding rail corresponds to
It is fixed on the both sides of support element in sliding block.
5. a kind of fan tooth positioning apparatus for circumferential direction as claimed in claim 3, which is characterized in that there are two the position-limit mechanisms, and
Including sliding rail and sliding block, the sliding rail and sliding block are slidably connected, and the sliding rail is fixed on the both sides of locating piece, and the sliding block corresponds to
It is fixed on the both sides of support element in sliding rail.
6. a kind of fixture, including claim 1-5 any one of them fans tooth positioning apparatus for circumferential direction, which is characterized in that further include
Pedestal, the first detent mechanism and the second detent mechanism, the positioning device are fixed on pedestal, first detent mechanism and
Two detent mechanisms are connected to the both sides on pedestal and positioned at positioning device, and first detent mechanism and the second detent mechanism are used for
Clamping fan tooth workpiece both sides, the positioning device is for carrying out fan positioning of the tooth rim to center.
7. a kind of fixture as claimed in claim 6, which is characterized in that first detent mechanism includes fixed block and the first top
Point, the fixed block are fixed on pedestal, and described first top is installed on fixed block.
8. a kind of fixture as claimed in claims 6 or 7, which is characterized in that second detent mechanism includes dividing head, second
Top and clamping jaw, the dividing head are slidably connected with pedestal, described second it is top be installed on dividing head, the clamping jaw is installed on
Second top both sides.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810463156.1A CN108637403A (en) | 2018-05-15 | 2018-05-15 | A kind of fan tooth positioning apparatus for circumferential direction and the fixture comprising the device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810463156.1A CN108637403A (en) | 2018-05-15 | 2018-05-15 | A kind of fan tooth positioning apparatus for circumferential direction and the fixture comprising the device |
Publications (1)
Publication Number | Publication Date |
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CN108637403A true CN108637403A (en) | 2018-10-12 |
Family
ID=63755802
Family Applications (1)
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CN201810463156.1A Pending CN108637403A (en) | 2018-05-15 | 2018-05-15 | A kind of fan tooth positioning apparatus for circumferential direction and the fixture comprising the device |
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CN207205463U (en) * | 2017-10-11 | 2018-04-10 | 重庆长融机械有限责任公司 | Steering gear positioning device for gear machining |
CN107931744A (en) * | 2017-12-22 | 2018-04-20 | 无锡市创恒机械有限公司 | A kind of gear positioning device |
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DE1284256B (en) * | 1964-09-18 | 1968-11-28 | Wehrle Kg Emilian | Device on a hobbing machine for deburring the end faces of toothed wheels or the like. |
JPH0899205A (en) * | 1994-09-30 | 1996-04-16 | Suga Tekkosho:Kk | Chuck device |
CN101022919A (en) * | 2004-09-08 | 2007-08-22 | 埃尔温容克尔机械制造有限公司 | Method for machining rotation pieces |
CN102528178A (en) * | 2012-02-15 | 2012-07-04 | 桂林福达齿轮有限公司 | Finish milling driven bevel gear localizer of Grissom curved tooth gear milling machine |
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CN105499711A (en) * | 2016-01-08 | 2016-04-20 | 三峡大学 | Symmetrical cylindrical rack and gear slotting machining device and method |
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CN205650908U (en) * | 2016-03-28 | 2016-10-19 | 盐城师范学院 | Mill toothed sector's positioner |
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CN107309499A (en) * | 2017-07-19 | 2017-11-03 | 益阳康益机械发展有限公司 | A kind of gear forming grinding machine tool |
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