CN108031879A - 24 point floating vertical lathe fixture of automotive brake hub - Google Patents
24 point floating vertical lathe fixture of automotive brake hub Download PDFInfo
- Publication number
- CN108031879A CN108031879A CN201711401997.1A CN201711401997A CN108031879A CN 108031879 A CN108031879 A CN 108031879A CN 201711401997 A CN201711401997 A CN 201711401997A CN 108031879 A CN108031879 A CN 108031879A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- hole
- rocker piece
- wiggling
- floating
- 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.)
- Granted
Links
- 238000007667 floating Methods 0.000 title claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 93
- 210000000078 claw Anatomy 0.000 claims abstract description 59
- 239000011148 porous material Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
24 point floating vertical lathe fixture of automotive brake hub,It is few to overcome prior art clamping point,Clamping and positioning is unstable,Machining accuracy is low,The problem of automotive brake hub is easily deformed and influences processing efficiency,It is characterized in 3 floating claws are installed on scroll chuck,1 locating piece is installed in the centre of every 2 floating claws,Swing pressing plate is installed on claw body,Rocker piece is installed on pressing plate is swung,Wiggling and pressing block is installed in rocker piece upper surface and lower face,Flute profile pressure head is installed on wiggling and pressing block,Beneficial effect is that 3 floating claws form 2 layers up and down of a circumferencial direction,12 every layer are stepped up a little,Totally 24 clamp systems stepped up a little,And pass through multidirectional floating,It ensure that each flute profile pressure head can be with the processed cylindrical close contact of automotive brake hub blank,Realize 24 point floatings compression,Clamp uniformly and firm,It ensure that machining accuracy,And structure is mechanical mechanism,Convenience easy to maintenance,Cost is relatively low.
Description
Technical field
The invention belongs to machine components processing and manufacturing technology, more particularly to 24 point floating of automotive brake hub founds car folder
Tool.
Background technology
In automotive brake hub production and processing at present, the claw insufficient height of the lathe chuck due to processing Qi car Dong Grains,
The structure for increasing claw using the claw on lathe chuck is replaced with, is so only that the height of claw is added, is processing
During still remain two problems, first, clamping point is very few in process, is only 3 points, so clamping and positioning is unstable, leads
Automotive brake hub is caused easily to be deformed, second, the process is the first procedure of automotive brake hub processing, automobile brake
Hub is green state, and increasing claw and cannot being bonded clamping completely with the outer wall of automotive brake hub blank for lathe chuck, ensures not
Machining accuracy, so the passing rate of processing of automotive brake hub car sequence processing at present is relatively low, when occurring not clamping and press from both sides not positive
In the case of, it is necessary to from new adjustment, so as to influence processing efficiency.
The content of the invention
The technical problems to be solved by the invention are, in place of overcome the deficiencies in the prior art and defect, there is provided one kind can be with
Realize that multiple spot is compressed and can be bonded completely with Qi car Dong Grains blanks outer walls, so as to ensure that machining accuracy improves, improve and add
The 24 point floating vertical lathe fixtures of Qi car Dong Grains of work efficiency rate.
The technical solution adopted by the present invention includes scroll chuck, and 3 cards that float uniformly are provided with the scroll chuck
Pawl, 1 locating piece is provided with the centre of every 2 floating claws, the floating claw includes claw body, in the claw sheet
Claw body stepped hole is machined with body, the pore of claw body stepped hole is threaded hole, is installed in the upper surface of claw body
There is swing pressing plate, the swing pressing plate centre is prismatoid, both sides are cuboid, is swinging the upper surface of prismatoid among pressing plate
Through hole is machined with, the first pivot pin is installed in the through hole and claw body stepped hole, is processed respectively swinging pressing plate or so 2 sides
Have and swing pressing plate stepped hole, the pore for swinging pressing plate stepped hole is screw thread hole, left surface and right side on pressing plate is swung
Face is separately installed with rocker piece, and through hole is machined with rocker piece, and in the through hole and the swing pressing plate rank for swinging pressing plate or so 2 sides
Second pivot pin is installed in terraced hole, wiggling and pressing block is separately installed with rocker piece upper surface and lower face, up and down the 2 of rocker piece
A end surface symmetric is machined with rocker piece stepped hole, and the pore of upper and lower 2 rocker piece stepped holes for threaded hole and is interconnected, is putting
Through hole is machined with dynamic pressure block, and the 3rd axis pin is installed in the through hole and rocker piece stepped hole, 2 are processed on wiggling and pressing block
A tapped through hole, and flute profile pressure head is installed in 2 tapped through holes, the flute profile pressure head is locked solid by hex nut
It is fixed.
The wiggling and pressing block is in T shape, be prismatoid among T-shaped transverse arm, both sides be cuboid, the swing pressure of both sides
The curved surface of an approximate circular arc is formed after block with centre is prismatoid, the swing pressing plate that both sides are cuboid combines.
The first slide fit gap, the swing pressing plate are equipped with the lower face of the swing pressing plate and the upper surface of claw body
First axle axis pin pin left and right on pawl body can be surrounded to float.
The second slide fit gap is equipped between the rocker piece and swing pressing plate, the rocker piece can surround the second pivot pin
Float before and after the side of pressing plate is swung.
The 3rd slide fit gap is equipped between the rocker piece and wiggling and pressing block, the wiggling and pressing block can surround the 3rd axis
Float pin left and right above rocker piece.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention is based on standard scroll chuck, using locating piece as upper and lower positioning datum, i.e., in a lathe chuck
3 floating claws of upper installation, each floating claw have 8 to step up a little, and the swing pressing plate centre is prismatoid, both sides are rectangle
Body, the wiggling and pressing block is in T shape, and T-shaped transverse arm centre is prismatoid, both sides are cuboid, and the wiggling and pressing block of both sides is with
Between swing the curved surface that an approximate circular arc is formed after pressing plate combination, 3 floating claws form a circumferencial direction up and down 2
Layer, 12 every layer are stepped up a little, totally 24 clamp systems stepped up a little, and also can be while more preferable clamping workpiece blank
Pinching deformation is reduced to minimum, ensure that machining accuracy, solves in traditional processing and occurs clamping asking for unstable and workpiece deformation
Topic；
(2) positioned, and be screwed with keyway and flute profile between floating claw body and lathe chuck of the present invention, worked
When, pressing plate is swung with claw body by first axle pin connection, and has the first cunning between pressing plate and claw body due to swinging
With gap, realize and swing pressing plate the left and right on pawl body is floated around the first pivot pin, rocker piece is with swinging pressing plate by the
Two pivot pins connect, and due to having the second slide fit gap between rocker piece and card swing pressing plate, realize rocker piece around second
Pivot pin floats before and after pressing plate side is swung, and wiggling and pressing block is connected with rocker piece by the 3rd pivot pin, and due to wiggling and pressing block
There is the 3rd slide fit gap between card rocker piece, realizing wiggling and pressing block, the left and right on rocker piece is floated around the 3rd pivot pin,
By above-mentioned multidirectional floating, so as to ensure that each flute profile pressure head can be cylindrical with processed automotive brake hub blank
It is in close contact, clamps uniformly and firm；
(3) structure of the present invention is mechanical mechanism, coordinate numerical control vertical lathe use, standard lathe chuck be the present invention provides
The stability of fixture, ordinary maintenance is simple and convenient, and cost is relatively low.
Brief description of the drawings
Fig. 1 is front view of the present invention,
Fig. 2 is the top view of Fig. 1,
Fig. 3 is the left view of Fig. 1,
Fig. 4 is the A-A sectional views of Fig. 2,
Fig. 5 is the stereogram of floating claw of the present invention,
The structure diagram of Fig. 6 floating claws of the present invention,
Fig. 7 is the top view of Fig. 6；
Fig. 8 is the left view of Fig. 6,
Fig. 9 is the B--B sectional views of Fig. 8,
Figure 10 is the C-C sectional views of Fig. 7.
In figure：
1. scroll chuck,
1-1. chuck terminal pads, 1-2. chuck pull rods, 1-3. chuck fixed screws,
2. floating claw,
2-1. claw bodies,
2-1-1. countersunk screw holes, 2-1-2. screw vias,
The 4th hexagon socket head cap screws of 2-1-3., 2-1-4. claw body stepped holes,
2-2. swings pressing plate,
2-2-1. swings pressing plate through hole, and 2-2-2. swings pressing plate stepped hole,
The first pivot pins of 2-3.,
2-4. wiggling and pressing blocks, 2-5. flute profile pressure heads, the 3rd pivot pins of 2-6.,
The second pivot pins of 2-7., the 5th hexagon socket head cap screws of 2-8., 2-9. hex nuts,
2-10. rocker piece,
2-10-1. rocker piece stepped holes,
The first hexagon socket head cap screws of 2-11., the first slide fits of 2-12. gap,
The second hexagon socket head cap screws of 2-13., the second slide fits of 2-14. gap,
The 3rd hexagon socket head cap screws of 2-15., the 3rd slide fit gaps of 2-16.,
3. locating piece.
Embodiment
As shown in Figure 1 to 4, the present invention includes scroll chuck 1, is connected with the T-nut of scroll chuck 1 with screw
3 floating claws, 2,3 floating claws 2 are evenly distributed on circular scroll chuck 1, the peace among every 2 floating claws 2
Equipped with 1 locating piece 3；
As shown in Figure 5 and Figure 6, the floating claw 2 includes claw body 2-1, is machined with the bottom of claw body 2-1
2 countersunk screw hole 2-1-1 and 1 screw via 2-1-2, pass through 2 countersunk screw hole 2-1-1 and 1 screw via 2-1-2
It is connected with the 4th hexagon socket head cap screw 2-1-3 and the 5th hexagon socket head cap screw 2-8 with the T-nut of the scroll chuck 1, so that will be floating
Dynamic claw 2 is fixedly connected with scroll chuck 1；
As shown in Fig. 6, Fig. 7 and Fig. 9, claw body stepped hole 2-1-4, claw body are machined with claw body 2-1
The pore of stepped hole 2-1-4 is threaded hole, is provided with the upper surface of claw body 2-1 and swings pressing plate 2-2, the swing pressing plate
2-2 centres are prismatoid, both sides are cuboid, and swing pressing plate is machined with the upper surface for swinging prismatoid among pressing plate 2-2 and is led to
Hole 2-2-1, is provided with the first pivot pin 2-3 in the stepped hole on through hole 2-2-1 and claw body 2-1, and by first
Hex(agonal)screw 2-11 is fixed, and the first slide fit gap 2- is equipped with the upper surface of claw body 2-1 swinging the lower face of pressing plate 2-2
12, the first pivot pin 2-3 left and right floatings on pawl body 2-1 can be surrounded by swinging pressing plate 2-2；
As shown in Figure 8 and Figure 9, it is machined with respectively in swing pressing plate 2-2 or so 2 sides and swings pressing plate stepped hole 2-2-2, is swung
The pore of pressing plate stepped hole 2-2-2 is screw thread hole, and floating is separately installed with the left surface and right flank for swinging pressing plate 2-2
Through hole is machined with block 2-10, rocker piece 2-10, and in the through hole and the swing pressing plate stepped hole for swinging pressing plate 2-2 or so 2 sides
Second pivot pin 2-7 is installed in 2-2-2, and is fixed by the second hexagon socket head cap screw 2-13, in rocker piece 2-10 with swinging pressing plate
The second slide fit gap 2-14 is equipped between 2-2, rocker piece 2-10 can surround the second pivot pin 2-7 and swing the side of pressing plate 2-2
Front and rear floating, wiggling and pressing block 2-4 is separately installed with rocker piece 2-10 upper surfaces and lower face；
As shown in fig. 7, the wiggling and pressing block 2-4 is in T shape, T-shaped transverse arm centre is prismatoid, both sides are rectangle
Body, the wiggling and pressing block 2-4 of both sides form one closely after being combined with the swing pressing plate 2-2 that centre is prismatoid, both sides are cuboid
Like the curved surface of circular arc；
As shown in Figure 9 and Figure 10, it is machined with rocker piece stepped hole 2-10- in 2 end surface symmetrics up and down of rocker piece 2-10
The pore of 1, upper and lower 2 rocker piece stepped holes 2-10-1 is threaded holes and are interconnected, and are machined with wiggling and pressing block 2-4 logical
Hole, and the 3rd axis pin 2-6 is installed in the through hole and rocker piece stepped hole 2-10-1, and pass through the 3rd hexagon socket head cap screw 2-15
It is fixed, be equipped with the 3rd slide fit gap 2-16 between rocker piece 2-10 and wiggling and pressing block 2-4, wiggling and pressing block 2-4 can be around the
Three pivot pin 2-6 float the left and right above rocker piece 2-10, and 2 tapped through holes are processed on wiggling and pressing block 2-4, and at this 2
Flute profile pressure head 2-5 is installed, the flute profile pressure head 2-5 is locked by hex nut 2-9 in tapped through hole.
Each floating claw 2 of the invention, which has, is provided with 1 swing pressure on claw body a 2-1, each claw body 2-1
It is provided with plate 2-2, each swing pressing plate 2-2 on left and right 2 rocker pieces 2-10, each rocker piece 2-10 and is provided with 2 layers up and down
Wiggling and pressing block 2-4, be provided with totally 4 wiggling and pressing blocks 2-4, each wiggling and pressing block 2-4 left and right 2 flute profile pressure head 2-5, totally 8
Flute profile pressure head 2-5, foring each floating claw 2 has 8 point floatings, as illustrated in fig. 1 and 2,3 is provided with each scroll chuck 1
A floating claw 2, forms 2 layers up and down of circumferencial direction, and 12 every layer are stepped up a little, totally 24 step up a little there are 24 to be floated
The 24 point floating vertical lathe fixture of automotive brake hub of point.
In use, positioning and being connected with lathe spindle by the chuck terminal pad 1-1 of scroll chuck 1, and consolidated by chuck
Determine screw 1-3 lockings, the chuck pull rod 1-2 of scroll chuck 1 turns round scuffing of cylinder bore with lathe and is connected, realize scroll chuck 1 clamping and
The power source connection of release, processed Qi car Dong Grains is installed in 24 point floating vertical lathe fixture of automotive brake hub, work
When, swing between pressing plate 2-2 and claw body 2-1 due to there is the first slide fit gap 2-12, first can be surrounded by swinging pressing plate 2-2
Pivot pin 2-3 floats the left and right above claw body 2-1, due to there is the second cunning between rocker piece 2-10 and card swing pressing plate 2-2
With gap 2-14, rocker piece 2-10 can surround the second pivot pin 2-7 and float before and after the side of pressing plate 2-2 is swung, wiggling and pressing block
Due to thering is the 3rd slide fit gap 2-16, wiggling and pressing block 2-4 to exist around the 3rd pivot pin 2-6 between 2-4 and card rocker piece 2-10
Left and right is floated above rocker piece 2-10, by above-mentioned multi-direction floating, so as to ensure that each flute profile pressure head 2-5 can be with vapour
The cylindrical blank contact of car brake hub, realizes 24 points of compressions.
Claims (5)
1. 24 point floating vertical lathe fixture of automotive brake hub, including scroll chuck (1), it is characterised in that in the scroll chuck (1)
On 3 floating claws (2) are uniformly installed, 1 locating piece (3) is installed in the centre of every 2 floating claws (2), it is described floating
Dynamic claw (2) includes claw body (2-1), and claw body stepped hole (2-1-4) is machined with the claw body (2-1),
The pore of claw body stepped hole (2-1-4) is threaded hole, is provided with the upper surface of claw body (2-1) and swings pressing plate (2-
2) it is prismatoid that, the swing pressing plate (2-2) is middle, both sides are cuboid, is swinging the upper end of prismatoid among pressing plate (2-2)
Face is machined with through hole (2-2-1), and the first pivot pin (2- is provided with the through hole (2-2-1) and claw body stepped hole (2-1-4)
3), it is machined with respectively in 2 sides of swing pressing plate (2-2) left and right and swings pressing plate stepped hole (2-2-2), swings pressing plate stepped hole (2-2-
2) pore is screw thread hole, and the left surface and right flank on pressing plate (2-2) is swung are separately installed with rocker piece (2-10),
Through hole is machined with rocker piece (2-10), and in the through hole and the swing pressing plate stepped hole (2- for swinging 2 sides of pressing plate (2-2) left and right
Second pivot pin (2-7) is installed in 2-2), wiggling and pressing block (2- is separately installed with rocker piece (2-10) upper surface and lower face
4) rocker piece stepped hole (2-10-1), upper and lower 2 rocker piece ranks, are machined with 2 end surface symmetrics up and down of rocker piece (2-10)
The pore of terraced hole (2-10-1) is machined with through hole threaded hole and to be interconnected on wiggling and pressing block (2-4), and the through hole with
3rd axis pin (2-6) is installed in rocker piece stepped hole (2-10-1), 2 tapped through holes are processed on wiggling and pressing block (2-4), and
Flute profile pressure head (2-5) is installed in 2 tapped through holes, the flute profile pressure head (2-5) is locked solid by hex nut (2-9)
It is fixed.
2. 24 point floating vertical lathe fixture of automotive brake hub according to claim 1, it is characterised in that the wiggling and pressing block
(2-4) is in T shape, and T-shaped transverse arm centre is prismatoid, both sides are cuboid, and the wiggling and pressing block (2-4) of both sides is with centre
Prismatoid, both sides form the curved surface of an approximate circular arc after being combined for the swing pressing plate (2-2) of cuboid.
3. 24 point floating vertical lathe fixture of automotive brake hub according to claim 1, it is characterised in that in the swing pressing plate
The lower face of (2-2) is equipped with the first slide fit gap (2-12), the swing pressing plate (2-2) with the upper surface of claw body (2-1)
First axle axis pin pin (2-3) can be surrounded, and in pawl body (2-1), left and right is floated above.
4. 24 point floating vertical lathe fixture of automotive brake hub according to claim 1, it is characterised in that in the rocker piece
The second slide fit gap (2-14) is equipped between (2-10) and swing pressing plate (2-2), the rocker piece (2-10) can surround second
Pivot pin (2-7) is in the front and rear floating in side for swinging pressing plate (2-2).
5. 24 point floating vertical lathe fixture of automotive brake hub according to claim 1, it is characterised in that in the rocker piece
The 3rd slide fit gap (2-16) is equipped between (2-10) and wiggling and pressing block (2-4), the wiggling and pressing block (2-4) can surround the 3rd
Float pivot pin (2-6) left and right above rocker piece (2-10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401997.1A CN108031879B (en) | 2017-12-22 | 2017-12-22 | 24-point floating vertical lathe clamp for automobile brake hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401997.1A CN108031879B (en) | 2017-12-22 | 2017-12-22 | 24-point floating vertical lathe clamp for automobile brake hub |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108031879A true CN108031879A (en) | 2018-05-15 |
| CN108031879B CN108031879B (en) | 2024-02-13 |
Family
ID=62100266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711401997.1A Active CN108031879B (en) | 2017-12-22 | 2017-12-22 | 24-point floating vertical lathe clamp for automobile brake hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108031879B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315102A (en) * | 2019-05-31 | 2019-10-11 | 陕西法士特汽车传动集团有限责任公司 | A kind of floating claw, retarder rotor fixture and its application method |
| KR102348826B1 (en) * | 2021-10-15 | 2022-01-10 | 브이앤씨테크 주식회사 | lathe source machining jig |
| KR200496736Y1 (en) * | 2020-12-10 | 2023-04-14 | 안재홍 | Multiple regular divisional Floating Jaw |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398733A (en) * | 1981-05-13 | 1983-08-16 | Mosley Jr Thomas C | Jawed, lathe chuck |
| CN201960389U (en) * | 2010-12-17 | 2011-09-07 | 山东济宁特力机床有限公司 | Automobile braking hub numerical control vertical lathe fixture |
| CN205237109U (en) * | 2015-12-15 | 2016-05-18 | 天润曲轴股份有限公司 | Three -jaw chuck that can 6 tight work pieces of clamp |
| CN205324766U (en) * | 2015-12-26 | 2016-06-22 | 张家口动力机械有限公司 | Jack catch floats |
| CN206169327U (en) * | 2016-08-29 | 2017-05-17 | 温岭市中达精密钢件有限公司 | Three -jaw positioning fixture floats |
| CN207615687U (en) * | 2017-12-22 | 2018-07-17 | 沈阳中晟自动化设备有限公司 | 24 point floating vertical lathe fixture of automotive brake hub |
-
2017
- 2017-12-22 CN CN201711401997.1A patent/CN108031879B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398733A (en) * | 1981-05-13 | 1983-08-16 | Mosley Jr Thomas C | Jawed, lathe chuck |
| CN201960389U (en) * | 2010-12-17 | 2011-09-07 | 山东济宁特力机床有限公司 | Automobile braking hub numerical control vertical lathe fixture |
| CN205237109U (en) * | 2015-12-15 | 2016-05-18 | 天润曲轴股份有限公司 | Three -jaw chuck that can 6 tight work pieces of clamp |
| CN205324766U (en) * | 2015-12-26 | 2016-06-22 | 张家口动力机械有限公司 | Jack catch floats |
| CN206169327U (en) * | 2016-08-29 | 2017-05-17 | 温岭市中达精密钢件有限公司 | Three -jaw positioning fixture floats |
| CN207615687U (en) * | 2017-12-22 | 2018-07-17 | 沈阳中晟自动化设备有限公司 | 24 point floating vertical lathe fixture of automotive brake hub |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315102A (en) * | 2019-05-31 | 2019-10-11 | 陕西法士特汽车传动集团有限责任公司 | A kind of floating claw, retarder rotor fixture and its application method |
| KR200496736Y1 (en) * | 2020-12-10 | 2023-04-14 | 안재홍 | Multiple regular divisional Floating Jaw |
| KR102348826B1 (en) * | 2021-10-15 | 2022-01-10 | 브이앤씨테크 주식회사 | lathe source machining jig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108031879B (en) | 2024-02-13 |
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