CN206855259U - Overturn trimmer - Google Patents
Overturn trimmer Download PDFInfo
- Publication number
- CN206855259U CN206855259U CN201720470442.1U CN201720470442U CN206855259U CN 206855259 U CN206855259 U CN 206855259U CN 201720470442 U CN201720470442 U CN 201720470442U CN 206855259 U CN206855259 U CN 206855259U
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- journal bearing
- fixedly connected
- outer sleeve
- flipping block
- wheel
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Abstract
The utility model discloses one kind to overturn trimmer：Extruding wheel in the trimmer is fixedly connected through pressing plate, Upper gasket, right journal bearing, lower gasket, inner sleeve, cylindrical compression spring, left journal bearing, Anti-rotating grommet and with nut, and pressing plate is fixedly connected with outer sleeve.Fine setting pressing mechanism in the utility model is fixedly connected with fine setting clamper, fine setting clamper is fixedly connected with flipping block, circular hole on flipping block, base is rotatably connected by mandrel, circular column draft spring is connected respectively with the cylinder boss on flipping block, mandrel, and base is fixedly connected by turnbuckle with workbench.Finely tune pressing mechanism and reach 3 μm using bearing supporting extruding wheel, rotating accuracy.By adjusting grinding wheel speed, realize that emery wheel is mutually repaired with extruding wheel.By changing extruding wheel, the quick reconditioning of different R arcs is realized.Finely tune pressing mechanism and realize axially fine setting, automatic centering function.The utility model can adapt to the industrial environment of complexity, can meet the requirement quickly repaired to emery wheel R arcs.
Description
Technical field
The utility model belongs to field of machining, and in particular to one kind upset trimmer, suitable for production process, adds
A kind of AG studs for meeting state aviation standard HB6545-1991 and having strict demand to Bottom of Thread R of work.
Background technology
It is more and more urgent for the demand of precision component with the development of industrial technology.The processing of precision component often from
Grinding is not opened.In the grinding of part, pole is required to the roughness of the screw thread of part, tooth form, big footpath, path, tooth bottom R arcs
Height, navigation mark HB interference thread teeth return pulley exterior feature is arc-shaped, needs to carry out grinding in actual production, thread grinding belongs to shaping
Grinding, grinding wheel shape influence notable, it is necessary to often carry out crushing on accuracy of thread, have had a strong impact on production efficiency.Production
In the investigation of producer and related colleague, R arcs can not be repaired by being carried in lathe on dresser, meet the emery wheel of requirement.
At present, emery wheel is manually repaired by operator, personal safety hidden danger be present；In the smaller feelings of R values
Under condition, R shape can not be seen, adjusts, measure repeatedly to obtain data repeatedly by technology and the experience of operator, repair
It is time-consuming, laborious to go out a more satisfactory arc profile；There is also difference to cause part matter for arc profile after repairing each time
Amount fluctuation.
The content of the invention
In order to overcome in prior art, the industrial environment of complexity can not be adapted to, emery wheel R arcs can not quickly be repaired
Deficiency, the utility model provide a kind of upset trimmer.It the utility model is related to a kind of based on navigation mark HB interference thread teeth bottom R controls
The mechanical device of system, processing one kind meets state aviation standard HB6545-1991 suitable for production process has to Bottom of Thread R
The AG studs of strict demand.The industrial environment of complexity is can adapt to, trimmer is quickly directed at emery wheel and carried out automatically
R arcs are repaired.
The utility model is that technical scheme is used by solving technical problem：
Upset trimmer of the present utility model, is characterized in, described upset trimmer includes fine setting pressing mechanism, upset
Block, circular column draft spring, base, workbench, turnbuckle, fine setting clamper, mandrel.Wherein, pressing mechanism is finely tuned comprising outer
Sleeve, nut, spring washer, cylindrical compression spring, left journal bearing, right journal bearing, inner sleeve, lower gasket, Upper gasket, pressure
Plate, screw, extruding wheel, cylindrical compression spring is provided with inner sleeve, flipping block, is respectively arranged on the base with diameter identical
Circular hole, cylinder boss is additionally provided with flipping block；Its annexation is that Upper gasket, right radial direction are provided with described outer sleeve
Bearing, lower gasket, inner sleeve, left journal bearing, spring washer, nut, it is pressing plate and Upper gasket, right journal bearing, lower gasket, interior
Sleeve is fixedly connected sequentially.The central shaft of extruding wheel passes through pressing plate, Upper gasket, right journal bearing, lower gasket, inner sleeve, cylinder
Compression spring, left journal bearing, spring washer are simultaneously fixedly connected with nut；Right journal bearing is fixed with endoporus on the right side of outer sleeve to be connected
Connect, left journal bearing right side contacts with inner sleeve left side and is slidably connected in outer sleeve, and pressing plate passes through screw and overcoat
The hole set on cylinder is fixedly connected, and described fine setting pressing mechanism is fixedly connected by outer sleeve with fine setting clamper, fine setting folder
Holder is fixedly connected with flipping block, and the circular hole on flipping block is rotatably connected with the circular hole on base by mandrel, circular column draft bullet
Spring one end connects with the cylinder boss stretching on flipping block, and the other end connects with mandrel stretching, and base passes through turnbuckle and work
It is fixedly connected as platform；Described extruding wheel, pressing plate, Upper gasket, right journal bearing, lower gasket, inner sleeve, cylindrical compression spring,
Left journal bearing, spring washer, nut, outer sleeve are concentric setting.
The endoporus of described outer sleeve is stepped hole, and the aperture of its left hole is less than the aperture of right ports.
The diameter of described left journal bearing is less than the diameter of right journal bearing.
The material of described extruding wheel uses W6Mo5Cr4V2Al aluminium high-speed steel, heat treatment hardness HRC63~67.
In fine setting pressing mechanism of the present utility model, right journal bearing and lower gasket are fixed on overcoat by pressing plate by screw
On cylinder, outer sleeve endoporus is stepped hole, and the aperture of right ports is big, and right journal bearing end face and lower gasket end face are compressed by pressing plate
Prevent right journal bearing axial float.Inner sleeve is put into by small-bore on the left of outer sleeve, inner sleeve right side fitting lower gasket limit
Its axial movement is made, loads spring at left side, makes it can be used for promoting left journal bearing to be axially moved.Upper gasket is squeezing
Pinch roller, with being placed on during left journal bearing on polished rod, makes between extruding wheel and right journal bearing through right journal bearing, inner sleeve, spring
Contact.Extruding wheel is locked using spring washer and nut, by spring washer internal diameter size between extruding wheel external screw thread
Greatly between footpath size and polished rod size so that spring washer can realize axially position after nut check.When extruding wheel is by emery wheel
When driving mobile, left journal bearing follows movement in the presence of cylindrical spring is compressed.
The utility model is a kind of mechanical device based on navigation mark HB interference thread teeth bottom R controls, is characterized in repairing small
Circular arc value emery wheel wedge angle.Freeing wheel under PSX emery wheel low-speed running and emery wheel relative motion simultaneously extrude so that PSX
Emery wheel sharp corner profile is extruded together；Freeing wheel in the case where emery wheel runs at high speed and emery wheel relative motion are simultaneously ground, and realize sand
Wheel is to the anti-revisionist whole of freeing wheel.When trimmer is in non-finishing state, flipping block is overturn so that fine setting pressing mechanism is not
The normal process of part can be interfered.Finely tune in pressing mechanism by the combination of the parts such as spring, bearing, packing ring so that freeing wheel
With emery wheel is axially contact can automatic fine tuning centering center.For the emery wheel of different-diameter, can be by finely tuning pressing mechanism after
Hold the cylinder being connected with flipping block to stretch out length to be adjusted.During repairing emery wheel, repaired by the contacts side surfaces of emery wheel
Wheel groove side surface determines general axis centre position, with approaching so that PSX emery wheel is first with freeing wheel groove for emery wheel radial direction
First contact side and drive freeing wheel axially self centering center, reach the two sides and freeing wheel groove two sides of PSX emery wheel
Fitting completely.
The beneficial effects of the utility model are：Pressing mechanism is finely tuned using bearing supporting extruding wheel, while essence can be realized
Close revolution rotates, and rotating accuracy reaches 3 μm, and left journal bearing follows extruding wheel to move, and realizes non-yielding prop.Extruded by changing
Wheel, it is possible to achieve the reconditioning of different circular arc size emery wheels, it is convenient and swift.By adjusting the rotating speed of emery wheel, 1 ~ 2m/s of on-line velocity
When, extruding wheel and the relative motion of PSX emery wheel simultaneously extrude so that PSX emery wheel sharp corner profile is extruded together, and realizes and squeezes
Finishing of the pinch roller to emery wheel；In grinding speed 50m/s, extruding wheel and emery wheel relative motion are simultaneously ground, and realize emery wheel to squeezing
Pinch roller extrudes the finishing of groove groove profile.For wherein right journal bearing in terms of axially position, the fixed form passes through optimization design, right footpath
It is deeply big compared with the big stomidium of outer sleeve to the thickness of bearing, after being fastened so as to outer sleeve with pressing plate by screw, outer sleeve end face and pressure
Plate will not contact, it is ensured that the axially position precision of right journal bearing, influence extruding so as to avoid right journal bearing from being axially moved
Take turns positioning precision.The utility model can adapt to the industrial environment of complexity, wanting of can meeting quickly to repair emery wheel R arcs
Ask.
Brief description of the drawings
Fig. 1 repairs view for upset trimmer of the present utility model；
Fig. 2 is upset trimmer idle state schematic diagram of the present utility model；
Fig. 3 is the fine setting pressing mechanism explosive view in the utility model；
Fig. 4 is fine setting pressing mechanism and fine setting clamper combining structure schematic diagram in the utility model.
The workbench 6. of 1. 4. base of fine setting pressing mechanism 2. flipping block, 3. circular column draft spring 5. is drawn in figure
Tight bolt 7. finely tunes the cylinder compression bullet of 13. spring washer of clamper 8. mandrel, 11. outer sleeve, 12. nut 14.
The screw 21. of 19. pressing plate of right 16. inner sleeve of journal bearing 17. lower gasket, 18. Upper gasket of spring 15. 20. extrudes
Take turns 25. left journal bearings.
Embodiment
The utility model is further described in detail below in conjunction with the accompanying drawings：
Embodiment 1
Fig. 1 repairs view for upset trimmer of the present utility model, and Fig. 2 is upset trimmer of the present utility model
Idle state schematic diagram, Fig. 3 are the fine setting pressing mechanism explosive view in the utility model, and Fig. 4 is the fine setting in the utility model
Pressing mechanism and fine setting clamper combining structure schematic diagram.
In Fig. 1, Fig. 3, Fig. 4, upset trimmer of the present utility model, including fine setting pressing mechanism 1, flipping block 2, cylinder
Extension spring 3, base 4, workbench 5, turnbuckle 6, fine setting clamper 7, mandrel 8.Wherein, pressing mechanism 1 is finely tuned comprising outer
Sleeve 11, nut 12, spring washer 13, cylindrical compression spring 14, left journal bearing 25, right journal bearing 15, inner sleeve 16, under
Pad 17, Upper gasket 18, pressing plate 19, screw 20, extruding wheel 21, cylindrical compression spring 14, flipping block are provided with inner sleeve 16
2nd, diameter identical circular hole is respectively arranged with base 4, cylinder boss is additionally provided with flipping block 2；Its annexation is, described
Outer sleeve 11 in be provided with Upper gasket 18, right journal bearing 15, lower gasket 17, inner sleeve 16, left journal bearing 25, spring pad
Circle 13, nut 12, pressing plate 19 are fixedly connected sequentially with Upper gasket 18, right journal bearing 15, lower gasket 17, inner sleeve 16.Extruding
The central shaft of wheel 21 passes through pressing plate 19, Upper gasket 18, right journal bearing 15, lower gasket 17, inner sleeve 16, cylindrical compression spring
14th, left journal bearing 25, spring washer 13 and it is fixedly connected with nut 12.Described right journal bearing 15 and the right side of outer sleeve 11
Endoporus is fixedly connected, and the left right side of journal bearing 25 contacts with the left side of inner sleeve 16 and is slidably connected in outer sleeve 11, pressure
Plate 19 is fixedly connected by screw 20 with the hole set on outer sleeve 11, described fine setting pressing mechanism 1 by outer sleeve 11 with
Fine setting clamper 7 is fixedly connected, and fine setting clamper 7 is fixedly connected with flipping block 2, the circular hole on flipping block 2 and the circle on base 4
Hole is rotatably connected by mandrel 8, and the one end of circular column draft spring 3 connects with the cylinder boss stretching on flipping block 2, the other end and the heart
The stretching connection of axle 8, base 4 are fixedly connected by turnbuckle 6 with workbench 5；Described extruding wheel 21, pressing plate 19, Upper gasket
18th, right journal bearing 15, lower gasket 17, inner sleeve 16, cylindrical compression spring 14, left journal bearing 25, spring washer 13, nut
12nd, outer sleeve 11 is concentric setting.
The endoporus of described outer sleeve 11 is stepped hole, and the aperture of its left hole is less than the aperture of right ports.
The diameter of described left journal bearing 25 is less than the diameter of right journal bearing 15.
The material of described extruding wheel 21 uses W6Mo5Cr4V2Al aluminium high-speed steel, heat treatment hardness HRC63~67.
The assembling process of described fine setting pressing mechanism 1 is as follows, lower gasket 17 is put into outer sleeve 11, in lower gasket 17
Place it is smooth after be put into right journal bearing 15, the right side end face of journal bearing 15 1 is bonded lower gasket 17, and overcoat is exposed in other end
11 end faces of cylinder, are fixed on pressing plate 19 on outer sleeve 11 by 4 screws 20, the end face of pressing plate 19 is compressed right journal bearing 15
Expose the one side of outer sleeve 11.Right journal bearing 15 is fixed between outer sleeve 11 and pressing plate 19.In the opposite side of outer sleeve 11
Inner sleeve 16 is penetrated, the end face of inner sleeve 16 is adjacent to lower gasket 17, limitation inner sleeve 16 moves to the right-hand member of outer sleeve 11.By cylinder
Compression spring 14 penetrates inner sleeve 16, and loading left journal bearing 25 in the endoporus of outer sleeve 11 compresses cylindrical compression spring 14.Will be upper
Pad 18 is penetrated in the polished rod of extruding wheel 21, and the polished rod of extruding wheel 21 is sequentially passed through into right journal bearing 15, lower gasket 17, inner sleeve
Cylinder 16, cylindrical compression spring 14, left journal bearing 15.Spring washer 13 is penetrated into the whorl side of extruding wheel 21, and nut 12 is tight
It is affixed to the whorl side of extruding wheel 21.The left journal bearing 15 of compressive state is unclamped, makes it in the active force of cylindrical compression spring 14
Under be adjacent to spring washer 13.
The utility model device upset trimmer is assembled using process：The base 4 of upset trimmer is arranged on lathe head
On workbench 5 between frame and tailstock, fixed with turnbuckle 6.Flipping block 2 is fixed on base 4 by mandrel 8, makes upset
Block 2 can rotate around mandrel 8, because the shape of base 4 designs the rotation of limitation flipping block 2, the anglec of rotation quilt of flipping block 2
Limitation is dead.By 3 four ten five degree of connect bases 4 of circular column draft spring and flipping block 2, flipping block is set all can in two extreme positions
By the pulling force of circular column draft spring 3, make extreme position fixation.Base 4 devises boss, and purpose is at flipping block 2
When the state of finishing, equipment axially prevents the play of flipping block 2.Pressing mechanism 1 is finely tuned to insert in flipping block 2 by back end cylindrical,
And fixed with screw lock, in face of the emery wheel of different-diameter, screw is unclamped, cylinder is inwardly or outwardly moved and reaches suitable position
Postpone, fixed using screw lock.
The utility model is a kind of mechanical device based on navigation mark HB interference thread teeth bottom R controls.Grinding speed 1 ~
During 2m/s, extruding wheel and the relative motion of PSX emery wheel simultaneously extrude so that PSX emery wheel sharp corner profile is extruded together, real
Existing finishing of the extruding wheel to emery wheel.Before finishing, trimmer is regulated to being repaiied the depth of parallelism of emery wheel, and trimmer is to emery wheel
Center it is high, making the center of trimmer, high to be slightly below emery wheel center high.Emery wheel is aligned with trimmer helical, turns platen
Z-direction handle, untill the side of trimmer screw thread helical contacts with the emery wheel rotated.According to the scale of dial, by hand
Wheel rotates in the opposite direction, untill emery wheel contacts with the another side of trimmer threaded line, then according to dial indicating value
By handwheel to first time direction of rotation rotation, among first time scale and second of scale（X-direction is at any time according to Z-direction
Adjustment is fed）, just terminate alignment work.Trimmer extruding wheel can left and right be finely adjusted（Lathe Z-direction）, in extruding wheel
On add a set of micromatic setting, make Z-direction that there is 1mm amount of movement, when emery wheel contacts with trimmer, extruding wheel is in Z side
To small adjust automatically can be carried out, make extruding wheel trim slots and emery wheel sharp side perfect identical.
Fig. 2 is upset trimmer idle state schematic diagram of the present utility model.Trimmer idle state is overturn then need not
Workbench is separated, so as to not interfere with processing efficiency.
Embodiment 2
The present embodiment is identical with the structure of embodiment 1, is a difference in that in described grinding speed 50m/s, extruding
Wheel is with emery wheel relative motion and being ground so that the groove profile of extruding wheel extruding groove is ground to be molded, and realizes that emery wheel is repaiied to extruding wheel
It is whole.By changing different extruding wheels, meet different processing requests, by controlling the linear velocity of emery wheel, reach extruding wheel with
The mutually round finishing of emery wheel, substantially increases efficiency.
Claims (3)
1. one kind upset trimmer, it is characterised in that described upset trimmer includes fine setting pressing mechanism（1）, flipping block
（2）, circular column draft spring（3）, base（4）, workbench（5）, turnbuckle（6）, fine setting clamper（7）, mandrel（8）；Wherein,
Finely tune pressing mechanism（1）Include outer sleeve（11）, nut (12), spring washer (13), cylindrical compression spring (14), left radial axle
Hold (25), right journal bearing (15), inner sleeve (16), lower gasket (17), Upper gasket (18), pressing plate (19), screw (20), extruding
Take turns (21), cylindrical compression spring (14), flipping block are provided with inner sleeve (16)（2）, base（4）On be respectively arranged with diameter
Identical circular hole, flipping block（2）On be additionally provided with cylinder boss；Its annexation is described outer sleeve（11）Inside it is provided with
Upper gasket（18）, right journal bearing（15）, lower gasket（17）, inner sleeve（16）, left journal bearing（25）, spring washer (13),
Nut（12）, pressing plate（19）With Upper gasket（18）, right journal bearing（15）, lower gasket（17）, inner sleeve（16）It is fixed successively to connect
Connect；Extruding wheel（21）Central shaft pass through pressing plate（19）, Upper gasket（18）, right journal bearing（15）, lower gasket（17）, inner sleeve
(16), cylindrical compression spring (14), left journal bearing (25), spring washer (13) and it is fixedly connected with nut (12)；Described
Right journal bearing（15）With outer sleeve（11）Right side endoporus is fixedly connected, left journal bearing（25）Right side and inner sleeve（16）It is left
End contact and in outer sleeve（11）Inside it is slidably connected, pressing plate（19）Pass through screw（20）With outer sleeve（11）The Kong Gu of upper setting
Fixed connection；Described fine setting pressing mechanism（1）Pass through outer sleeve（11）With finely tuning clamper（7）It is fixedly connected, finely tunes clamper
（7）With flipping block（2）It is fixedly connected, flipping block（2）On circular hole and base（4）On circular hole pass through mandrel（8）Rotatable connection,
Circular column draft spring（3）One end and flipping block（2）On cylinder boss stretching connection, the other end and mandrel（8）Stretching connection, bottom
Seat（4）Pass through turnbuckle（6）With workbench（5）It is fixedly connected；Described extruding wheel（21）, pressing plate（19）, Upper gasket（18）、
Right journal bearing（15）, lower gasket（17）, inner sleeve（16）, cylindrical compression spring（14）, left journal bearing（25）, spring washer
(13), nut（12）, outer sleeve（11）For concentric setting.
2. upset trimmer according to claim 1, it is characterised in that described outer sleeve（11）Endoporus be step
Hole, the aperture of its left hole are less than the aperture of right ports.
3. upset trimmer according to claim 1, it is characterised in that described left journal bearing（25）Diameter be less than
Right journal bearing（15）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720470442.1U CN206855259U (en) | 2017-05-02 | 2017-05-02 | Overturn trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720470442.1U CN206855259U (en) | 2017-05-02 | 2017-05-02 | Overturn trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206855259U true CN206855259U (en) | 2018-01-09 |
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ID=60822847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720470442.1U Active CN206855259U (en) | 2017-05-02 | 2017-05-02 | Overturn trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206855259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944932A (en) * | 2017-05-02 | 2017-07-14 | 中国工程物理研究院机械制造工艺研究所 | Overturn trimmer |
-
2017
- 2017-05-02 CN CN201720470442.1U patent/CN206855259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944932A (en) * | 2017-05-02 | 2017-07-14 | 中国工程物理研究院机械制造工艺研究所 | Overturn trimmer |
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