CN106552850A - A kind of clamping device of fixed cylinder and cylindrical bar - Google Patents
A kind of clamping device of fixed cylinder and cylindrical bar Download PDFInfo
- Publication number
- CN106552850A CN106552850A CN201611066461.4A CN201611066461A CN106552850A CN 106552850 A CN106552850 A CN 106552850A CN 201611066461 A CN201611066461 A CN 201611066461A CN 106552850 A CN106552850 A CN 106552850A
- Authority
- CN
- China
- Prior art keywords
- link ring
- ring
- chain connecting
- connecting bolt
- clamping device
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The present invention provides the clamping device of a kind of fixed cylinder and cylindrical bar, and upper link ring (5) is tapered up big and down small for horn mouth, and lower link ring (6) is tapered up-small and down-big for horn mouth；Outer expansion set upper part (2) is installed on the outside of link ring (5)；Outer expansion set lower part (3) is installed on the outside of lower link ring (6)；First chain connecting bolt (7) is by lower link ring (6), intermediate link ring (4), and is fixed with the upper ring (5) that links by screw thread；Second chain connecting bolt (8) is by intermediate link ring (4), the through hole of lower link ring (6), end is inserted into link ring (5), and the second chain connecting bolt (8) is fixed by screw thread and lower link ring (6).The Advantageous Effects of the clamping device of the present invention are that structure is feasible, install reliable, and during running roller is installed, running roller will not rotate, and running roller mounting structure is practical.
Description
Technical field
The present invention relates to field of mechanical technique, more particularly to a kind of clamping device.
Background technology
In field of mechanical technique, generally require for rotary shaft to be fixed to running roller.In fixation procedure, need smooth inner wall
Cylinder and the shaft of smooth outer wall be secured together.For example, in light-alloy forging wheel actual production, spinning operation roller
Wheel is installed, and is a key link, is polished rod due to installing rotary shaft, and it is also unthreaded hole to install running roller endoporus, and this just becomes peace
A difficult point is filled, becomes one bottleneck of automatic forging line.Need to design improved spinning running roller clamping structure for this, so as to
Improve fixed intensity.
The content of the invention
It is therefore an object of the present invention to the clamping device of a kind of fixed cylinder and cylindrical bar is provided, so that both
Fixed effect is more preferably, difficult for drop-off.
In one aspect of the invention, there is provided the clamping device of a kind of fixed cylinder and cylindrical bar, described clamping dress
Put including inner expension cap (1), outer expansion set upper part (2), outer expansion set lower part (3), intermediate link ring (4), upper link ring (5), lower link
Ring (6), the first chain connecting bolt (7) and the second chain connecting bolt (8), it is characterised in that：It is inner expension cap (1), outer expansion set upper part (2), outer
Expansion set lower part (3), intermediate link ring (4), upper link ring (5) and lower link ring (6) are cylindrical shape, and upper link ring (5) is loudspeaker
Prostomum type is up big and down small, and lower link ring (6) is tapered up-small and down-big for horn mouth；Inner expension cap (1) is installed to cylindrical bar to be fixed
Outside, the outside of inner expension cap (1) are cased with linking ring (5), intermediate link ring (4), lower link ring (6) from top to bottom successively；Outward
Expansion set upper part (2) is installed on the outside of link ring (5)；Outer expansion set lower part (3) is installed on the outside of lower link ring (6)；First link
Bolt (7) is by lower link ring (6), intermediate link ring (4), and is fixed with the upper ring (5) that links by screw thread；Second link spiral shell
By intermediate link ring (4), the through hole of lower link ring (6), end is inserted into link ring (5), and the second link spiral shell to bolt (8)
Bolt (8) is fixed by screw thread and lower link ring (6).
In currently preferred aspect, described clamping device is respectively including 8-20 the first chain connecting bolt (7) and 2-12
Individual second chain connecting bolt (8).
In currently preferred aspect, described clamping device includes 12 the first chain connecting bolts (7) and 4 second respectively
Chain connecting bolt (8), and the first described chain connecting bolt (7) and the second chain connecting bolt (8) be circumferentially uniformly alternately distributed.
It is isosceles trapezoid in the cross section of currently preferred aspect, upper link ring (5) and lower link ring (6), and waits
The angle on the trapezoidal waist of waist and longer base is 81.5-88.6 degree, and longer base is 1.07- with the length ratio on shorter base
1.22。
In currently preferred aspect, described angle is 83.5-84.3 degree, and described length ratio is 1.09-1.13.
It is which by running roller that the present invention is a kind of improved motor vehicles light alloy wheel spinning running roller clamping structure technical scheme
Expansion set component installation structure constitutes which to be included：1st, inner expension cap, 2, outer expansion set upper part, 3, outer expansion set lower part, 4, intermediate link ring, 5
It is upper link ring, 6, it is lower link ring, the 7, first chain connecting bolt, the 8, second chain connecting bolt.Upper link ring 5 be horn mouth it is tapered it is it is big under
Little, lower link ring 6 is that horn mouth is tapered up-small and down-big, wherein 7 head of the first chain connecting bolt has screw thread, the second chain connecting bolt 8
Portion has screw thread, such first chain connecting bolt 7 and the second chain connecting bolt 8 all to play drawing and push up two effects to complete upper link ring 5
It is that horn mouth is tapered for the tapered and lower link ring 6 of horn mouth to act on to upper and lower and inside and outside swelling, upper link ring 5 links ring with lower
6 are linked by the first chain connecting bolt 7, and inner expension cap 1 is tightened, by outer expansion set upper part 2 and outer 3 swelling of expansion set lower part, the second link
Bolt 8 plays drawing and pushes up two effects.Intermediate link ring 4 plays a supportive role.
The Advantageous Effects of the clamping device of the present invention are that structure is feasible, install reliable, running roller install in running roller not
Can rotate, running roller mounting structure is practical.Shell type optical axis is domestic swage line spinning operation mounted roller with unthreaded hole running roller mounting structure
Wheel work provides a new approaches.
Description of the drawings
Hereinafter, with reference to accompanying drawing describing embodiment of the present invention in detail, wherein：
Fig. 1：The structural representation of the clamping device of embodiments of the invention 1；
Fig. 2：The top view of the clamping device of embodiments of the invention 1；
Fig. 3：The structure assembling figure of the clamping device of embodiments of the invention 1；
Fig. 4：The use state structure chart of the clamping device of embodiments of the invention 1；
Fig. 5：The use state top view of the clamping device of embodiments of the invention 1；And
Fig. 6：The use state assembling disassembly diagram of the clamping device of embodiments of the invention 1；
In figure：Link under ring, 6- on the outer expansion set upper part of 1- inner expension caps, 2-, the outer expansion set lower part of 3-, 4- intermediate link rings, 5-
Link ring, 7- chain connecting bolts, 8- chain connecting bolts, 10- axle beds, 11- rotary shafts, 12- spinning running rollers, 13- spinning running roller are installed swollen
Set component.
Specific embodiment
Embodiment 1
Described clamping device includes inner expension cap (1), outer expansion set upper part (2), outer expansion set lower part (3), intermediate link ring
(4), upper link ring (5), lower link ring (6), the first chain connecting bolt (7) and the second chain connecting bolt (8), it is characterised in that：It is interior swollen
Set (1), outer expansion set upper part (2), outer expansion set lower part (3), intermediate link ring (4), upper link ring (5) and lower link ring (6) are circle
Tubular, upper link ring (5) are tapered up big and down small for horn mouth, and lower link ring (6) is tapered up-small and down-big for horn mouth；Inner expension cap
(1) outside of cylindrical bar to be fixed is installed to, the outside of inner expension cap (1) is cased with linking ring (5), intermediate chain from top to bottom successively
Connect ring (4), lower link ring (6)；Outer expansion set upper part (2) is installed on the outside of link ring (5)；Outer expansion set lower part (3) is installed to down
On the outside of link ring (6)；First chain connecting bolt (7) is by lower link ring (6), intermediate link ring (4), and passes through screw thread and cochain
Connect ring (5) fixed；By intermediate link ring (4), the through hole of lower link ring (6), end is inserted into cochain to second chain connecting bolt (8)
Ring (5) is connect, and the second chain connecting bolt (8) is fixed by screw thread and lower link ring (6).Described clamping device includes 12 respectively
Individual first chain connecting bolt (7) and 4 the second chain connecting bolts (8), and the first described chain connecting bolt (7) and the second chain connecting bolt
(8) circumferentially uniformly it is alternately distributed.Wherein the first chain connecting bolt (7) head has screw thread, and the second chain connecting bolt (8) root has spiral shell
Stricture of vagina, such first chain connecting bolt (7) and the second chain connecting bolt (8) all play drawing and push up two effects to complete upper link ring (5)
Act on to upper and lower and inside and outside swelling for horn mouth is tapered for tapered and lower link ring (6) of horn mouth, it is upper to link ring (5) and lower chain
Connect ring (6) to link by the first chain connecting bolt (7), inner expension cap (1) is tightened, by outer expansion set upper part (2) and outer expansion set lower part (3)
Swelling, the second chain connecting bolt (8) are played drawing and push up two effects.Intermediate link ring (4) plays a supportive role.Roller is just can guarantee that so
The effect that axle and running roller are fastenedly connected by wheel expansion set component.Solve optical axis and be connected difficult problem with unthreaded hole, running roller installs central roll
Wheel will not rotate, and running roller mounting structure is practical.
The cross section of upper link ring (5) and lower link ring (6) is isosceles trapezoid, and the waist of isosceles trapezoid and longer base
Angle be A, the length ratio on longer base and shorter base is L.Specific angle and length are than as shown in table 1.In different A
Under value and L-value, be mounted with clamping device and the first chain connecting bolt (7) and the second chain connecting bolt (8) rotated so that its clamping.
Table 1：The included angle A and length of the clamping device described in the present embodiment is arranged than the test of L.
Description according to above test group 1-8 and matched group 1 is installed, and in CITIC Dicastal Co., Ltd.'s work
Research and development workshop inside journey Institute for Research and Technology carries out using test.
After installation, initial angle is marked with paint respectively on running roller and rotary shaft.And cause rotary shaft per point
Rotate under conditions of 80 turns of clock accumulative 10 hours, then measure the change of angle, angle have rotated more than 10 degree be calculated as " do not conform to
Lattice ", angle have rotated being calculated as " good " for 5-10 degree, rotate less than 5 degree and are calculated as " excellent ".Experiment finds that matched group 1 almost rotates
100 degree, and test group 1-8 of the present invention is more than " good ", test group 3 and 6 is " excellent ".This shows in described angle
For 83.5-84.3 degree, when described length ratio is 1.09-1.13, with more preferable fixed performance.Generate between two kinds of factors
Synergism so that fixed effect is more preferable.
Claims (5)
1. the clamping device of a kind of fixed cylinder and cylindrical bar, described clamping device include inner expension cap (1), outer expansion set upper part
(2), outer expansion set lower part (3), intermediate link ring (4), upper link ring (5), lower link ring (6), the first chain connecting bolt (7) and second
Chain connecting bolt (8), it is characterised in that：Inner expension cap (1), outer expansion set upper part (2), outer expansion set lower part (3), intermediate link ring (4), on
Link ring (5) and lower link ring (6) are cylindrical shape, and upper link ring (5) is tapered up big and down small for horn mouth, and lower link ring (6) is
Horn mouth is tapered up-small and down-big；Inner expension cap (1) is installed to the outside of cylindrical bar to be fixed, and the outside of inner expension cap (1) is from top to bottom
It is cased with successively linking ring (5), intermediate link ring (4), lower link ring (6)；Outer expansion set upper part (2) is installed to link ring (5)
Outside；Outer expansion set lower part (3) is installed on the outside of lower link ring (6)；First chain connecting bolt (7) is by lower link ring (6), intermediate chain
Ring (4) is connect, and is fixed with the upper ring (5) that links by screw thread；Second chain connecting bolt (8) is by intermediate link ring (4), lower link
The through hole of ring (6), end are inserted into link ring (5), and the second chain connecting bolt (8) is solid by screw thread and lower link ring (6)
It is fixed.
2. clamping device according to claim 1, it is characterised in that described clamping device is respectively including 8-20 first
Chain connecting bolt (7) and 2-12 the second chain connecting bolt (8).
3. clamping device according to claim 1 and 2, it is characterised in that described clamping device is respectively including 12 the
One chain connecting bolt (7) and 4 the second chain connecting bolts (8), and the first described chain connecting bolt (7) and the second chain connecting bolt (8)
Circumferentially uniformly it is alternately distributed.
4. clamping device according to claim 1 and 2, it is characterised in that above link ring (5) and the lower horizontal stroke for linking ring (6)
Section is isosceles trapezoid, and the angle on the waist of isosceles trapezoid and longer base is 81.5-88.6 degree, longer base and shorter bottom
The length ratio on side is 1.07-1.22.
5. clamping device according to claim 1 and 2, it is characterised in that described angle is 83.5-84.3 degree, described
Length ratio be 1.09-1.13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066461.4A CN106552850A (en) | 2016-11-28 | 2016-11-28 | A kind of clamping device of fixed cylinder and cylindrical bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066461.4A CN106552850A (en) | 2016-11-28 | 2016-11-28 | A kind of clamping device of fixed cylinder and cylindrical bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106552850A true CN106552850A (en) | 2017-04-05 |
Family
ID=58445893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611066461.4A Pending CN106552850A (en) | 2016-11-28 | 2016-11-28 | A kind of clamping device of fixed cylinder and cylindrical bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106552850A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2343160A1 (en) * | 1976-03-05 | 1977-09-30 | Ringfeder Gmbh | CLAMPING DEVICE FOR THE ASSEMBLY OF A SHAFT TO A HUB |
| US4475842A (en) * | 1981-05-18 | 1984-10-09 | Tsubakimoto Chain Company | Corrosion resistant shaft and boss clamping device |
| DE3340448C1 (en) * | 1983-11-09 | 1985-01-24 | Oskar E. 7129 Brackenheim Peter | Double clamping set for fixing hubs |
| AU5449786A (en) * | 1985-03-12 | 1986-09-18 | Umberto Giatti | Clamping arrangemant for torsionally secured shaft-and-hub connection |
| DE9414881U1 (en) * | 1994-09-13 | 1996-01-18 | Müllenberg, Ralph, 41516 Grevenbroich | Clamping set |
| CN201246384Y (en) * | 2008-08-08 | 2009-05-27 | 四川德恩机械有限责任公司 | Quick assembling and disassembling expansion sleeve of double-opening taper ring and opening sleeve |
| CN203023325U (en) * | 2013-01-18 | 2013-06-26 | 安徽省阜阳沪千人造板制造有限公司 | Expansion sleeve |
-
2016
- 2016-11-28 CN CN201611066461.4A patent/CN106552850A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2343160A1 (en) * | 1976-03-05 | 1977-09-30 | Ringfeder Gmbh | CLAMPING DEVICE FOR THE ASSEMBLY OF A SHAFT TO A HUB |
| US4475842A (en) * | 1981-05-18 | 1984-10-09 | Tsubakimoto Chain Company | Corrosion resistant shaft and boss clamping device |
| DE3340448C1 (en) * | 1983-11-09 | 1985-01-24 | Oskar E. 7129 Brackenheim Peter | Double clamping set for fixing hubs |
| AU5449786A (en) * | 1985-03-12 | 1986-09-18 | Umberto Giatti | Clamping arrangemant for torsionally secured shaft-and-hub connection |
| DE9414881U1 (en) * | 1994-09-13 | 1996-01-18 | Müllenberg, Ralph, 41516 Grevenbroich | Clamping set |
| CN201246384Y (en) * | 2008-08-08 | 2009-05-27 | 四川德恩机械有限责任公司 | Quick assembling and disassembling expansion sleeve of double-opening taper ring and opening sleeve |
| CN203023325U (en) * | 2013-01-18 | 2013-06-26 | 安徽省阜阳沪千人造板制造有限公司 | Expansion sleeve |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170405 |
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