CN207344356U - A kind of device for being used to grind spherical parts - Google Patents
A kind of device for being used to grind spherical parts Download PDFInfo
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- CN207344356U CN207344356U CN201721158688.1U CN201721158688U CN207344356U CN 207344356 U CN207344356 U CN 207344356U CN 201721158688 U CN201721158688 U CN 201721158688U CN 207344356 U CN207344356 U CN 207344356U
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- eccentric shaft
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- universal
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Abstract
The utility model is related to it is a kind of be used to grind the devices of spherical parts, including power connector body, the eccentric shaft universal connector, the sphere abrasive body that is connected with eccentric shaft universal connector lower end that are connected with power connector body lower end being connected with power lathe；Power connector body provides rotary power for eccentric shaft universal connector, to realize the rotating forward of eccentric shaft universal connector or reversion；Swing can be realized while eccentric shaft universal connector is to realize circular-rotation again, so as to achieve the purpose that sphere is ground；Convex spherical body is contacted with workpiece, and spherical surface body workpiece is ground under the drive of eccentric shaft universal connector.The device that the utility model is ground by improving milling train pull rod copper sheathing equal sphere face so that the surface contact (area) pattern of the present apparatus reaches 75% 90%, more than 4 times of work efficiency of raising, high efficiency, low cost with underhand polish compared with.
Description
Technical field
The utility model belongs to grinding operation field, and in particular to a kind of device for being used to grind spherical parts.
Background technology
Parts with spheroid character often have sphere in all trades and professions apply quite varied steel industries rolling equipment
The spherical parts such as pad, existing single-piece, small lot processing method are with reference to grinding, polishing, are scraped by underhand polish, pincers worker
Grind, grinder reconditioning the methods of obtain higher machining accuracy.But these method efficiency are low, of high cost, some processing sides
Method dimensional accuracy is difficult to ensure that.
In general, the method for fine finishing of the spherical parts such as milling train sphere copper sheathing has, pincers worker triangular scraper reconditioning, angle grinder is repaiied
Mill, uses grinder etc..
Manual scraping is to utilize scraper, reference surface, survey tool and developer, in a manner of handwork, Bian Yanbian
Measurement, side scraping processing, red lead powder is smeared in mating spherical surfaces face（Developer）Carry out to grinding, then check respectively for colored spots, it is right
Undeliverable color dot, that is, high point carries out scraping, and circulation carries out, until mating surface contact (area) pattern meets the requirements.Workpiece reaches defined ruler
One finishing step of the requirements such as very little, geometry, surface roughness and adaptation.
The advantages of hand lapping is：Simple using instrument, versatility is stronger, and allowance is few, and precision is high, widely applies
In the manufacture of machine and instrument and the repair work of mechanical equipment, generally, milling area can be stepped up to more than 75%.
It is more demanding to bench skill but hand lapping is there are operating personnel's great work intensity, the defects of work efficiency is extremely low, by hand
Grinding is only applicable to single-piece, small lot production.
Angle grinder reconditioning is on the basis of hand lapping, and to improve operating efficiency, reconditioning is carried out using electric angle grinder.
But since angle grinder rotating speed is high, has vibrations, operation difficulty increases, and easily injures other portions of sphere when polishing high point in reconditioning
Position, so that high point is polished into low spot so that mating surface Percentage bound is not high.
Line contact-type grinder forms circumferential line contact when grinding sphere.The equipment knot of sphere line grinder grinding
Structure is complicated, there are cost of equipment it is high, not easy-maintaining the defects of.
The content of the invention
The purpose of this utility model is to provide a kind of device for being used to grind spherical parts, which changes existing milling train
The processing method in pull rod copper sheathing equal sphere face, makes its surface contact (area) pattern reach 75%-90%, actual to be improved compared with underhand polish
More than 4 times of work efficiency, has high efficiency, the advantage of low cost.
The technical solution of the utility model is as follows：
A kind of device for being used to grind spherical parts, including the power connector body and power connector being connected with power lathe
The eccentric shaft universal connector of body lower end connection, the abrasive body being connected with eccentric shaft universal connector lower end；
The power connector body provides rotary power for the eccentric shaft universal connector, to realize the universal company of eccentric shaft
The rotating forward or reversion of connection device；
Swing can be realized again while the eccentric shaft universal connector is to realize circular-rotation, so as to reach sphere
The purpose of grinding；
The abrasive body is contacted with workpiece, and workpiece is ground under the drive of eccentric shaft universal connector.
A kind of above-mentioned device for being used to grind spherical parts, the eccentric shaft universal connector is including universal joint and partially
Mandrel, one end connecting power device of the universal joint；
The eccentric shaft includes the first shaft part, second shaft part and threeth shaft part coaxial with the universal joint other end, and described the
One shaft part, the axis of the 3rd shaft part form angle, and one end affixed first of the second shaft part between the axis of the second shaft part
Shaft part, affixed 3rd shaft part of the other end；
The other end of the universal joint is connected with the first shaft part, and universal joint is located at the top of the first shaft part.
A kind of above-mentioned device for being used to grind spherical parts, the power connector body and eccentric shaft universal connector it
Between be additionally provided with hold-down mechanism, which applies uniform pressure to convex spherical body, to realize uniformly grinding for spherical surface body workpiece
Mill.
A kind of above-mentioned device for being used to grind spherical parts, the hold-down mechanism include taper shank spindle, slide-bar, the cunning
One end of axis is fixed with compression spring, and the other end is fixedly connected with universal joint；
The taper shank spindle is formed by taper shank portion and with the cylindrical portion that taper shank portion big end is fixedly connected, and the taper shank portion is with moving
The inner cavity interference fit of power connector, to realize being fixedly connected for taper shank spindle and power connector body；The cylindrical portion is equipped with
The cavity stretched into for compression spring and slide-bar, the power connector body apply uniform active force by compression spring, slide-bar to universal joint；
The bar hole for connecting with cavity and extending along axis is additionally provided with the outer wall of the cylindrical portion；The slide-bar is equipped with
The anti-falling piece coordinated with the bar hole, the anti-falling piece can prevent slide-bar from departing from cavity during exercise.
A kind of above-mentioned device for being used to grind spherical parts, the axis of the axis and the 3rd shaft part of first shaft part are put down
OK, and the axis of the 3rd shaft part is located on the right side of the axis of the first shaft part.
A kind of above-mentioned device for being used to grind spherical parts, the abrasive article is convex spherical body, and the convex spherical body leads to
The bottom that connector is crossed with eccentric shaft universal connector is fixedly connected, and the convex spherical body is consolidated with connector by clamp
It is fixed, with realize convex spherical body and workpiece to grinding.
A kind of above-mentioned device for being used to grind spherical parts, the sphere of the sphere abrasive body is equipped with to be ground for raising
Grind the slot scraping of efficiency.
A kind of above-mentioned device for being used to grind spherical parts, the slot scraping include annular slot scraping and are scraped through the annular
The cross slot scraping of groove diameter.
A kind of above-mentioned device for being used to grind spherical parts, the clamp is by locking conjunction piece.
The beneficial effects of the utility model：
The utility model is made of power connector body, hold-down mechanism, eccentric shaft universal connector, convex spherical body, this reality
With the new device ground by improving milling train pull rod copper sheathing equal sphere face so that the surface contact (area) pattern of the present apparatus reaches 75%-
90%, high efficiency, low cost.
The utility model is described in further details below with reference to accompanying drawings and embodiments.
Brief description of the drawings
Fig. 1 is the structure diagram of the present apparatus；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the partial enlarged view of scraping groove；
Fig. 4 is the structure diagram of hold-down mechanism；
Fig. 5 is the structure diagram of scraping groove；
Fig. 6 is eccentric shaft schematic diagram；
Fig. 7 is by honing copper sheathing（Workpiece）Schematic diagram；
Fig. 8 is to rotate forward with reversely rotating lapping device schematic diagram；
Fig. 9 is that eccentric shaft plays the role of swing schematic diagram when not having universal joint；
Figure 10 is that angular misalignment differential when universal joint works with eccentric shaft is intended to.
In figure：1. couple taper shank；2. anti-falling piece；3. sliding axle；4. universal joint；5. eccentric shaft；51. the first shaft part；52.
Second shaft part；53. the 3rd shaft part；6. connector；7. clamp；A 8. conjunction piece；9. convex spherical body；10. workpiece；11. compression spring；
12. scraping groove.
Embodiment
For the technological means and effect that the utility model is reached predetermined purpose and taken is expanded on further, below in conjunction with attached drawing
And embodiment describes as follows specific embodiment of the present utility model, architectural feature and its effect in detail.
It is high, not easy-maintaining there are cost of equipment in order to overcome the device structure of existing sphere line grinder grinding complicated
The defects of, present embodiments provide a kind of device for being used to grind spherical parts.
As shown in Fig. 1-Fig. 7, the device of the present embodiment includes power connector body, eccentric shaft universal connector, abrasive article,
Wherein：
Power connector body, the rigid connecting rod of similar boring and milling machine knife bar or drilling machine drilling rod, afterbody is according to using different
Equipment and be designed to Morse's taper or 7:24 tapers.
Eccentric shaft universal connector, the eccentric shaft 5 in the device, plays convex spherical body 9 and is realizing the same of circular-rotation
When can swing again, form sphere track, achieve the purpose that sphere is ground.Universal joint 4 is Cardon universal joint rigidity nonconstant velocity universal joint,
For compensating because of the position deviation of axis direction caused by eccentric shaft 5, and ensure that abrasive body each rotation has certain dislocation
Difference, to realize smooth motion, solve because axis direction it is misaligned caused by card resistance phenomenon.
Abrasive article is the concave spherical surface body portion of milling tool body or spherical surface body workpiece according to workpiece situation.If
It is workpiece, its periphery sets clip, ensures that spherical surface body is mutually opposite and grinds.
It may be noted that the abrasive article of the present embodiment can be the structure of any prior art, only need to complete to grind workpiece
Mill.
The present embodiment is that the power of power lathe is transferred to convex spherical body 9 by eccentric shaft universal connector so that
Convex spherical body 9 is ground.Preferably, the upper surface of the convex spherical body 9 of the present embodiment is additionally provided with convex spherical body connector, convex spherical
Body connector is fixedly connected with convex spherical body 9 by clip, conjunction piece.
It may be noted that the slot scraping of the present embodiment, can be concave surface circular groove and cross recess, its cross-section structure is semi arch, is played
Scraping action, improves grinding efficiency.The taper-shank arbor of the present embodiment uses Ying Shi 7:24 cones；The straight section of taper-shank arbor processes endoporus simultaneously
A logical long slot bore, slide-bar and taper-shank arbor inner hole are processed on cylindrical, the pin coordinated with long slot bore is drilled out on slide-bar
Hole, compression spring is loaded, and prevents both from coming off with axis pin.
As shown in Figure 1, the device of the present embodiment further includes hold-down mechanism, power connector body and eccentric shaft universal connector
Between be additionally provided with hold-down mechanism, which applies uniform pressure to convex spherical body 9, to realize the uniform of spherical surface body workpiece
Grinding.
It may be noted that the hold-down mechanism of the present embodiment can be any form, as long as can meet the needs of uniformly exerting a force.
Preferably, the hold-down mechanism of the present embodiment includes connection taper shank 1, sliding axle 3, one end of sliding axle 3 is fixed with compression spring 11, separately
One end is fixedly connected with universal joint 4；
Connection taper shank 1 is formed by taper shank portion and with the cylindrical portion that taper shank portion big end is fixedly connected, taper shank portion and power connector
The inner cavity of body coordinates, to realize being fixedly connected for connection taper shank 1 and power connector body；Wherein, the connection of Mohs cone is to pass through
Pin effect locking.7:24 cones are by tailing screw flight hole draw lever locking.Cylindrical portion is equipped with and supplies compression spring 11 and sliding axle 3
The cavity stretched into, power connector body apply uniform active force by compression spring 11, sliding axle 3 to universal joint 4；
The bar hole for connecting with cavity and extending along axis is additionally provided with the outer wall of cylindrical portion；Sliding axle 3 is equipped with and bar
The anti-falling piece 2 that shape hole coordinates, the anti-falling piece 2 can prevent sliding axle 3 from departing from cavity during exercise.
The course of work of the present embodiment is such：First by equal power spring pocket on universal joint 4, on universal joint 4 and partially
Mandrel 5 is welded, and eccentric shaft 5 with grinding spherical workpiece welding, allows workpiece 10 to be ground sphere and come into contact with grinding contact surface again,
Equal power spring top provides rotary power by transmission device, and workpiece 10 contacts with each other with donut cross scraping groove 12 and ground
Mill, transmission device eccentric rotation axis 5 drive grinding contact surface eccentric rotary, while universal joint 4 can adjust angle at any time, transmission
Device is by rotating forward and rotating backward so that lapped face forms network texture, can increase 10 ball-type surface of milling train workpiece
Big Percentage bound.
It may be noted that the preferred milling train copper sheathing of the workpiece 10 of the present embodiment, specifically：
Universal joint axostylus axostyle is driven to rotate forward, power spindle declines, and honing spherical workpiece in lower end is ground sphere with copper sheathing
Come into contact with and increase with reference to power, start to grind sphere.Smear red lead powder and be combined face inspection.Rotate forward the sphere of grinding
Surface texture is one-way spiral line.Machine tool chief axis inverts, and machine tool chief axis declines, repetitive process, reversely rotates the sphere table of grinding
Face texture is bidirectional screw line so that copper sheathing ball-type surface Percentage bound improves.The universal grinding of milling train copper sheathing is filled after workpiece qualification
Put and pull down.
To sum up, compared with prior art, the present embodiment has the advantages that the present embodiment：Equal power spring is added,
So that abrasive power is uniform between abradant surface, cardan axis makes the abrasive wire of abradant surface be cambered surface with eccentric shaft 5, and transmission device passes through
Rotate forward and rotate backward mode so that lapped face forms network texture, can make 10 ball-type surface of milling train workpiece increase knot
Conjunction rate reaches between 75% ~ 90%.
In order to make the grinding of the present embodiment more flexible, in the present embodiment, eccentric shaft universal connector includes universal
Section 4 and eccentric shaft 5, one end connecting power device of universal joint 4；Eccentric shaft 5 includes the first shaft part 51 and 4 other end of universal joint
Coaxial the second shaft part 52 and the 3rd shaft part 53, the axis of the first shaft part 51, the axis of the 3rd shaft part 53 with the second shaft part 52
Between form angle, and affixed first shaft part 51 in one end of the second shaft part 52, affixed 3rd shaft part 53 of the other end；Universal joint 4
The other end is connected with the first shaft part 51, and universal joint 4 is located at the top of the first shaft part 51.The axis and the 3rd axis of first shaft part 51
The axis of section 53 is parallel, and the axis of the 3rd shaft part 53 is located on the right side of the axis of the first shaft part 51.
With reference to Fig. 3-Fig. 5, the sphere of the convex spherical body 9 of the present embodiment is equipped with the scraping groove for being used for improving grinding efficiency
12, the scraping groove 12 of the present embodiment can be any form, as long as can be beneficial to grinding sphere, preferably, this implementation
The scraping groove 12 of example includes annular slot scraping and the cross slot scraping through annular slot scraping diameter.It may be noted that the slot scraping of the present embodiment was both
Grinding efficiency can be improved, can also be used as channel of chip removal.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of be used to grind the devices of spherical parts, it is characterised in that including the power connector body that be connected with power lathe and
The eccentric shaft universal connector of power connector body lower end connection, the abrasive article being connected with eccentric shaft universal connector lower end；
The power connector body provides rotary power for the eccentric shaft universal connector, to realize that the universal connection of eccentric shaft fills
The rotating forward or reversion put；
Swing can be realized again while the eccentric shaft universal connector is to realize circular-rotation, so as to reach sphere grinding
Purpose；
The abrasive article is contacted with workpiece, and 1 is ground to workpiece under the drive of eccentric shaft universal connector.
2. the device as claimed in claim 1 for being used to grind spherical parts, it is characterised in that the universal connection dress of eccentric shaft
Put including universal joint（4）And eccentric shaft（5）, the universal joint（4）One end connecting power device；
The eccentric shaft（5）Including the first shaft part（51）With universal joint（4）The second coaxial shaft part of the other end（52）With the 3rd axis
Section（53）, first shaft part（51）, the 3rd shaft part（53）Axis with the second shaft part（52）Axis between form angle,
And second shaft part（52）Affixed first shaft part in one end（51）, affixed 3rd shaft part of the other end（53）；
The universal joint（4）The other end and the first shaft part（51）Connection, and universal joint（4）Positioned at the first shaft part（51）It is upper
Side.
3. the device as claimed in claim 2 for being used to grind spherical parts, it is characterised in that the power connector body and bias
Hold-down mechanism is additionally provided between axis universal connector, the hold-down mechanism is to convex spherical body（9）Apply uniform pressure, to realize
The uniform grinding of spherical surface body workpiece.
4. the device as claimed in claim 3 for being used to grind spherical parts, it is characterised in that the hold-down mechanism includes connection
Taper shank（1）, sliding axle（3）, the sliding axle（3）One end be fixed with compression spring（11）, the other end and universal joint（4）It is fixed to connect
Connect；
The connection taper shank（1）Formed by taper shank portion and with the cylindrical portion that taper shank portion big end is fixedly connected, the taper shank portion is with moving
The inner cavity of power connector coordinates, to realize connection taper shank（1）With being fixedly connected for power connector body；The cylindrical portion is equipped with pressure
Spring（11）And sliding axle（3）The cavity stretched into, the power connector body pass through compression spring（11）, sliding axle（3）To universal joint（4）Apply
Add uniform active force；
The bar hole for connecting with cavity and extending along axis is additionally provided with the outer wall of the cylindrical portion；The sliding axle（3）On set
There is the anti-falling piece coordinated with the bar hole（2）, the anti-falling piece（2）It can prevent sliding axle（3）Depart from cavity during exercise.
5. the device as claimed in claim 2 for being used to grind spherical parts, it is characterised in that first shaft part（51）Axis
Line and the 3rd shaft part（53）Axis it is parallel, and the 3rd shaft part（53）Axis be located at the first shaft part（51）Axis on the right side of.
6. the device as claimed in claim 1 for being used to grind spherical parts, it is characterised in that the abrasive article is for grinding
The milling tool body of workpiece.
7. the device as claimed in claim 1 for being used to grind spherical parts, it is characterised in that the abrasive article is convex spherical body
（9）, the convex spherical body（9）Pass through connector（6）It is fixedly connected with the bottom of eccentric shaft universal connector, and the convex ball
Face body（9）With connector（6）Pass through clamp（7）It is fixed, to realize convex spherical body（9）With workpiece to grinding.
8. the device as claimed in claim 7 for being used to grind spherical parts, it is characterised in that the convex spherical body（9）Ball
Face is equipped with the scraping groove for being used for improving grinding efficiency（12）.
9. the device as claimed in claim 8 for being used to grind spherical parts, it is characterised in that the scraping groove（12）Including ring
Shape slot scraping and the cross slot scraping through the annular slot scraping diameter.
10. the device as claimed in claim 7 for being used to grind spherical parts, it is characterised in that the clamp（7）By conjunction
Piece（8）Locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158688.1U CN207344356U (en) | 2017-09-11 | 2017-09-11 | A kind of device for being used to grind spherical parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158688.1U CN207344356U (en) | 2017-09-11 | 2017-09-11 | A kind of device for being used to grind spherical parts |
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| Publication Number | Publication Date |
|---|---|
| CN207344356U true CN207344356U (en) | 2018-05-11 |
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ID=62409757
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721158688.1U Active CN207344356U (en) | 2017-09-11 | 2017-09-11 | A kind of device for being used to grind spherical parts |
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| CN (1) | CN207344356U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236846A (en) * | 2018-10-22 | 2019-01-18 | 中国船舶重工集团公司第七0七研究所 | The spherical surface scraping method of buffer multi-directional ball hinge |
| CN110877260A (en) * | 2019-11-25 | 2020-03-13 | 徐州聚西廷新型材料科技有限公司 | Plastic product polishing device |
-
2017
- 2017-09-11 CN CN201721158688.1U patent/CN207344356U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236846A (en) * | 2018-10-22 | 2019-01-18 | 中国船舶重工集团公司第七0七研究所 | The spherical surface scraping method of buffer multi-directional ball hinge |
| CN110877260A (en) * | 2019-11-25 | 2020-03-13 | 徐州聚西廷新型材料科技有限公司 | Plastic product polishing device |
| CN110877260B (en) * | 2019-11-25 | 2020-12-08 | 徐州聚西廷新型材料科技有限公司 | Plastic product polishing device |
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