CN108655749A - Grinding fixture is bored in bearing block milling - Google Patents
Grinding fixture is bored in bearing block milling Download PDFInfo
- Publication number
- CN108655749A CN108655749A CN201810800148.1A CN201810800148A CN108655749A CN 108655749 A CN108655749 A CN 108655749A CN 201810800148 A CN201810800148 A CN 201810800148A CN 108655749 A CN108655749 A CN 108655749A
- Authority
- CN
- China
- Prior art keywords
- bearing block
- milling
- bored
- further include
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003801 milling Methods 0.000 title claims abstract description 47
- 238000000227 grinding Methods 0.000 title claims abstract description 17
- 241001149930 Protura <class> Species 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 5
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005255 carburizing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a kind of bearing block millings to bore grinding fixture, including mill car bottom plate assembly is bored in milling；The milling bores mill car bottom plate assembly center and is fixed with four conehead cross axles；The inner hole sleeve of bearing block is on the four coneheads cross axle；It further include spring pocket；The spring pocket is sleeved on the four coneheads cross axial cross external part head and between the four coneheads cross axle and the bearing block；It further include pressing plate；The pressing plate is between the spring pocket and the bearing block；It further include screw；The screw passes through the bolt hole to screw in the pressing plate, and pressing plate is overlaid on the spring pocket.The present invention is to increase the positioning accuracy of bearing block in the way of spring pocket tensioner.
Description
Technical field
The present invention relates to universal shaft shaft coupling cross axles, and in particular to a kind of bearing block milling brill grinding fixture.
Background technology
In Hooks coupling universal coupling cross assemble, bearing block is a vital part, this design of part is complicated, and wall thickness is thin,
It is required that carburizing, quenching treatment.Also, " convex key " required precision of this part is very high, roughness requirements higher, general to require to reach
1.6 μm of Ra, " convex key " and " bolt hole " especially on bearing block require the position degree of endoporus stringenter.
In the prior art, there is problems in the handling ease of bearing block：1, there is Internal Hole Deformation.2, position degree is poor：(1)
Convex key symmetry is poor, this is not main reasons is that the positioning accuracy of bearing block fixture is high, the positioning of the endoporus and fixture of bearing block
There is gap between axis；(2) without measuring basis；(3) bolt hole partially, out of plumb, general bolt hole vertically can partially several millimeters, main former
Because being that bolt hole is very deep, the rigidity of fixture is insufficient in process, not clamping workpiece, workpiece movement, caused by bit inclination.
Above-mentioned the problems of the prior art, main cause are that bearing block is a thin-wall part, to the Impact direction of clamping force,
Stress point requirement is very high, and the prior art can not solve the problems, such as " clamping force ", " positioning accuracy ", " measurement " etc., institute
To be difficult to make qualified product.
Invention content
In view of the deficiencies of the prior art, the invention discloses a kind of bearing block millings to bore grinding fixture.
Technical scheme is as follows：
Mill car bottom plate assembly is bored in a kind of bearing block milling brill grinding fixture, including milling；Mill car bottom plate assembly center is bored in the milling
It is fixed with four conehead cross axles；Bearing block includes endoporus and bolt hole；Bearing block be positioned over the milling bore mill car bottom plate assembly it
On, the inner hole sleeve is stretched out in the cross of the four coneheads cross axle on end；It further include spring pocket；The spring pocket is sleeved on
On the four coneheads cross axial cross external part head and between the four coneheads cross axle and the bearing block；Also wrap
Include pressing plate；The pressing plate is between the spring pocket and the bearing block；It further include screw；The screw passes through the bolt hole
The pressing plate is screwed in, and pressing plate is overlaid on the spring pocket.
Its further technical solution is, including four bearing blocks, is respectively arranged in four crosses of four conehead cross axles
On the end of stretching.
Its further technical solution be further include hoop around except bearing block.
Its further technical solution be further include trip bolt, trip bolt penetrates the hoop and holds out against bearing block
Outside, will be fitted on the inside of bearing block on four conehead cross axles.
Its further technical solution is to be bored in the milling and be equipped with double end between mill car bottom plate assembly and the bearing block
Bolt.
Its further technical solution is, on milling brill mill car bottom plate assembly, the outer ledge of the bearing block
Stud is installed.
Its further technical solution be further include clamping screw；The clamping screw passes through the hole on bearing block simultaneously
It screws among the milling brill mill car bottom plate assembly, the bearing block, which is fitted in the milling, to be bored on mill car bottom plate assembly.
The method have the benefit that：
1, the present invention is ingenious in design.The present invention is to utilize bearing base rear end stove bolt hole in the way of spring pocket tensioner
Space puts in allen wrench, adjusts hexagon socket cap head screw, and by rotating this screw, pushed forward to pressing plate,
Push the spring set moves forward in turn and diameter becomes larger so that the gap between spring pocket and bearing block is smaller and smaller until continuously
Gap realizes " the gapless positioning " of bearing block.
2, it is bored in milling and stud is installed between mill car bottom plate assembly and bearing block.The height of two bolts of adjusting can be passed through
It is low to adjust the shoulder height of bearing block.
3, it is developed to make four bearing blocks that can bore positioning surface in grinding fixture with bearing block milling, devises a ring
Hoop, and there are four screws on hoop, can be held out against bearing block with screw and by flat.
4, it when processing bearing block, needs to carry out drill process, in drilling, axial force is prodigious, and bearing block is easy
In shaking, in order to solve this problem, the present invention is made that following measures：1) two double end spiral shells on bottom plate are devised
Bolt.The outermost end of bearing block is withstood on, the outermost end of bearing block is the maximum point of stress, and two studs can withstand bearing block not
It is allowed to make axial-rotation.2) hoop is devised, bearing block hoop is integrated.3) inner hole of bearing seat is by spring pocket swelling.
5, bearing block be mounted on bearing block milling bore grinding fixture on, on work in-process scheming bed, can clamped one time, can will
One of the advantages of milling is bored several procedures of mill and is once completed, this is also present invention design.Wherein, 1) milling：It is milling convex key, 2) it bores：It is
Drill bolt hole, 3) mill：It is to grind convex key, 4) vehicle：It is finally to position the combination of 4 bearing blocks outside smart car together in this set tooling to stop
Mouthful.
6, accurate positioning of the present invention, high precision machining, compression mode is simple, and workpiece will not loosen, securely and reliably.So this
Invention biggest advantage is bearing block to be processed to be accomplished to comply fully with product specification, meets drawing requirement.
7, product quality can be improved in the configuration of the present invention is simple, convenient and reliable operation, improves productivity effect.
Description of the drawings
Fig. 1 is the left view of the present invention.
Fig. 2 is the vertical view of the present invention.
Fig. 3 is the front view of bearing block.
Fig. 4 is the rearview of bearing block.
Fig. 5 is the left view of bearing block.
Specific implementation mode
Fig. 1 is the right view of the present invention.Fig. 2 is the vertical view of the present invention.As shown in Figure 1 and Figure 2, the present invention includes that milling is bored
Grind car bottom plate assembly 7.It is disc that mill car bottom plate assembly 7 is bored in milling.Milling bores 7 center of mill car bottom plate assembly and is fixed with four conehead crosses
Axis 2.Four conehead cross axles 2 include four outwardly directed ends, form cross shape.Grinding fixture is bored in each bearing block milling can
Four bearing blocks 8 are installed.Bearing block 8 is positioned over milling and bores on mill car bottom plate assembly 7.Four bearing blocks 8 correspond to four coneheads respectively
It installs four cross ends of cross axle 2.
Fig. 3 is the front view of bearing block.Fig. 4 is the rearview of bearing block.Fig. 5 is the left view of bearing block.Such as Fig. 3, Fig. 4
Shown in Fig. 5, bearing block 8 includes the smaller bolt hole of the endoporus being relatively large in diameter and diameter.Inner hole sleeve is in four conehead cross axles 2
It stretches out on end.
It further include spring pocket 3.3 outside of spring pocket is cylinder, and inside is taper.Spring pocket 3 is sleeved on four conehead cross axles 2
Stretching end on and between four conehead cross axles 2 and bearing block 8.
It further include pressing plate 4.Pressing plate 4 is between spring pocket 3 and bearing block 8, i.e., within bearing block 8, spring pocket 3 it
Outside.It further include screw 5.Screw 5 screws in pressing plate 4, and pressing plate 4 is overlaid on spring pocket 3 by the bolt hole of bearing block 8.
Screw 5 can be designed to comply with the specification of allen wrench, i.e. allen wrench can put in the interior hexagonal cylindrical head of operation
Screw.Allen wrench rotary screw 5 can be used by bolt hole.By rotary screw 5, built-in pressing plate 4 is bored to milling and is ground
The center of circle direction of car bottom plate assembly 7 pushes, then the meeting of pressing plate 4 push the spring set 3 moves forward, since 3 inside of spring pocket is circular cone
Shape can be then squeezed on the inside of spring pocket 3, influence its outside so that the diameter in the outside of cylindrical shape becomes larger, and then spring pocket
Gap between 3 and bearing block 8 is smaller and smaller, may ultimately reach gapless, and bearing block 8 is positioned, such localization method
Gapless positions.
Further include around the hoop 6 except bearing block 8.Four bearing blocks 8 are all closely trapped among together by hoop 6.Also wrap
Trip bolt is included, there are four trip bolts, and trip bolt penetrates hoop 6 and holds out against the outside of bearing block 8, will be in bearing block 8
Side is fitted on the end of four conehead cross axles 2, and the inside of bearing block 8 is held out against with four conehead cross axles 2 and by flat.
The end of four stretchings of four conehead cross axles 2 positions four bearing blocks 8 as positioning surface at this time.
Further, it is bored in milling and stud is installed between mill car bottom plate assembly 7 and bearing block 8.Bearing block 8 is mounted on
Bearing block milling is bored on grinding fixture, and the height on 8 both sides of bearing block is the two the double end spiral shells bored by milling on mill car bottom plate assembly 7
Bolt is adjusted, specifically, adjust the shoulder height of bearing block 8 by adjusting the height of two bolts.
Further, milling is bored on mill car bottom plate assembly 7, the outer ledge of bearing block 8 is equipped with stud.Double end
Bolt withstands on the outermost end of bearing block 8, is the maximum point of stress, when being operated as drilling in this way, stud can push up
Firmly bearing block does not allow it to make axial-rotation.
Further, further include clamping screw 1.Clamping screw 1, which passes through the hole on bearing block 8 and screws in milling, bores mill underbody
Among plate assembly 7 so that the compression of bearing block 8 fits in milling and bores on mill car bottom plate assembly 7.
What has been described above is only a preferred embodiment of the present invention, and present invention is not limited to the above embodiments.It is appreciated that this
The other improvements and change that field technology personnel directly export or associate without departing from the spirit and concept in the present invention
Change, is considered as being included within protection scope of the present invention.
Claims (7)
1. grinding fixture is bored in a kind of bearing block milling, which is characterized in that bore mill car bottom plate assembly (7) including milling；Mill vehicle is bored in the milling
Floor pan assembly (7) center is fixed with four conehead cross axles (2)；Bearing block (8) includes endoporus and bolt hole；Bearing block (8) is placed
Bored on mill car bottom plate assembly (7) in the milling, the inner hole sleeve the cross of the four coneheads cross axle (2) stretch out end it
On；Further include spring pocket (3)；The spring pocket (3) is sleeved on four coneheads cross axle (2) cross stretching end and position
Between the four coneheads cross axle (2) and the bearing block (8)；Further include pressing plate (4)；The pressing plate (4) is in the spring
It covers between (3) and the bearing block (8)；Further include screw (5)；The screw (5) passes through the bolt hole to screw in the pressing plate
(4), and pressing plate (4) is overlaid on the spring pocket (3).
2. grinding fixture is bored in bearing block milling as described in claim 1, which is characterized in that including four bearing blocks (8), pacify respectively
On the end that four crosses loaded on four conehead cross axles (2) stretch out.
3. grinding fixture is bored in bearing block milling as described in claim 1, which is characterized in that further include around bearing block (8) it
Outer hoop (6).
4. grinding fixture is bored in bearing block milling as claimed in claim 3, which is characterized in that further include trip bolt, trip bolt
Penetrate the hoop (6) and hold out against the outside of bearing block (8), will be fitted on the inside of bearing block (8) four conehead cross axles (2) it
On.
5. grinding fixture is bored in bearing block milling as described in claim 1, which is characterized in that bore mill car bottom plate assembly in the milling
(7) stud is installed between the bearing block (8).
6. grinding fixture is bored in bearing block milling as described in claim 1, which is characterized in that bore mill car bottom plate assembly in the milling
(7) on, the outer ledge of the bearing block (8) stud is installed.
7. grinding fixture is bored in bearing block milling as described in claim 1, which is characterized in that further include clamping screw (1)；The pressure
Tight screw rod (1) passes through the hole on bearing block (8) and screws among the milling brill mill car bottom plate assembly (7), by the bearing block
(8) milling is fitted in bore on mill car bottom plate assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800148.1A CN108655749A (en) | 2018-07-20 | 2018-07-20 | Grinding fixture is bored in bearing block milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800148.1A CN108655749A (en) | 2018-07-20 | 2018-07-20 | Grinding fixture is bored in bearing block milling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108655749A true CN108655749A (en) | 2018-10-16 |
Family
ID=63789400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810800148.1A Pending CN108655749A (en) | 2018-07-20 | 2018-07-20 | Grinding fixture is bored in bearing block milling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108655749A (en) |
Citations (15)
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|---|---|---|---|---|
| CN2470049Y (en) * | 2001-02-28 | 2002-01-09 | 万向钱潮股份有限公司 | Clamp for grinding star jacketed-ball groove |
| CN1383957A (en) * | 2001-04-28 | 2002-12-11 | 万向钱潮股份有限公司 | Machining fixtures for multiple-station bearing pedestal back cambering machine |
| DE10326978A1 (en) * | 2003-06-12 | 2005-01-13 | Institut für Mikroelektronik- und Mechatronik-Systeme gGmbH | Universal joint e.g. for positioning table has two pivot shafts held turnable in air bearings for precision application |
| CN201757140U (en) * | 2010-06-13 | 2011-03-09 | 杭州新世纪万向节有限公司 | Airfoil-shaped universal joint |
| CN202271197U (en) * | 2011-10-17 | 2012-06-13 | 苏州市巨力万向节有限公司 | Clamp for fixing bearing pedestal |
| CN202367501U (en) * | 2011-12-15 | 2012-08-08 | 湖南南方宇航工业有限公司 | Lathe elastic centering clamping device |
| CN204295318U (en) * | 2014-11-30 | 2015-04-29 | 重庆斯凯迪轴瓦有限公司 | Inner elastomeric clamp system |
| DE202015106009U1 (en) * | 2015-11-09 | 2016-01-11 | Metabowerke Gmbh | Tool head for a reconditioning machine as well as rehabilitation milling machine |
| CN205128987U (en) * | 2015-11-24 | 2016-04-06 | 东风德纳车桥有限公司 | Bore quick change device in boring differential mechanism casing cross shaft hole |
| CN205254276U (en) * | 2016-01-05 | 2016-05-25 | 株洲齿轮有限责任公司 | Gapless positioning fixture of awl in hollow shaft class work piece |
| CN106002354A (en) * | 2016-07-13 | 2016-10-12 | 金湖县常盛动力机械配件有限公司 | Machining device for automobile stator bracket peripheral holes and machining method |
| CN106736668A (en) * | 2016-11-25 | 2017-05-31 | 淮阴工学院 | NC milling universal chuck |
| CN207086946U (en) * | 2017-06-07 | 2018-03-13 | 宁波柯力传感科技股份有限公司 | A kind of positioner of car through hole two sides high-axiality annular groove |
| CN207508727U (en) * | 2017-10-19 | 2018-06-19 | 重庆泽达机械配件制造有限公司 | A kind of flexibly positioned fixture suitable for cover parts processing |
| CN208514047U (en) * | 2018-07-20 | 2019-02-19 | 无锡市万向联轴器有限公司 | Grinding fixture is bored in bearing block milling |
-
2018
- 2018-07-20 CN CN201810800148.1A patent/CN108655749A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2470049Y (en) * | 2001-02-28 | 2002-01-09 | 万向钱潮股份有限公司 | Clamp for grinding star jacketed-ball groove |
| CN1383957A (en) * | 2001-04-28 | 2002-12-11 | 万向钱潮股份有限公司 | Machining fixtures for multiple-station bearing pedestal back cambering machine |
| DE10326978A1 (en) * | 2003-06-12 | 2005-01-13 | Institut für Mikroelektronik- und Mechatronik-Systeme gGmbH | Universal joint e.g. for positioning table has two pivot shafts held turnable in air bearings for precision application |
| CN201757140U (en) * | 2010-06-13 | 2011-03-09 | 杭州新世纪万向节有限公司 | Airfoil-shaped universal joint |
| CN202271197U (en) * | 2011-10-17 | 2012-06-13 | 苏州市巨力万向节有限公司 | Clamp for fixing bearing pedestal |
| CN202367501U (en) * | 2011-12-15 | 2012-08-08 | 湖南南方宇航工业有限公司 | Lathe elastic centering clamping device |
| CN204295318U (en) * | 2014-11-30 | 2015-04-29 | 重庆斯凯迪轴瓦有限公司 | Inner elastomeric clamp system |
| DE202015106009U1 (en) * | 2015-11-09 | 2016-01-11 | Metabowerke Gmbh | Tool head for a reconditioning machine as well as rehabilitation milling machine |
| CN205128987U (en) * | 2015-11-24 | 2016-04-06 | 东风德纳车桥有限公司 | Bore quick change device in boring differential mechanism casing cross shaft hole |
| CN205254276U (en) * | 2016-01-05 | 2016-05-25 | 株洲齿轮有限责任公司 | Gapless positioning fixture of awl in hollow shaft class work piece |
| CN106002354A (en) * | 2016-07-13 | 2016-10-12 | 金湖县常盛动力机械配件有限公司 | Machining device for automobile stator bracket peripheral holes and machining method |
| CN106736668A (en) * | 2016-11-25 | 2017-05-31 | 淮阴工学院 | NC milling universal chuck |
| CN207086946U (en) * | 2017-06-07 | 2018-03-13 | 宁波柯力传感科技股份有限公司 | A kind of positioner of car through hole two sides high-axiality annular groove |
| CN207508727U (en) * | 2017-10-19 | 2018-06-19 | 重庆泽达机械配件制造有限公司 | A kind of flexibly positioned fixture suitable for cover parts processing |
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