CN110125847A - A kind of self-centering fixture - Google Patents
A kind of self-centering fixture Download PDFInfo
- Publication number
- CN110125847A CN110125847A CN201910579181.0A CN201910579181A CN110125847A CN 110125847 A CN110125847 A CN 110125847A CN 201910579181 A CN201910579181 A CN 201910579181A CN 110125847 A CN110125847 A CN 110125847A
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- Prior art keywords
- center rest
- centering center
- centering
- bolt
- hole
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- 210000004907 gland Anatomy 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The present invention is a kind of self-centering fixture for working shaft-like workpiece.The present invention includes centering center rest, centering center rest bracket, centering center rest height fine-adjustment, centering center rest bracket moves micromatic setting, centering center rest carrier base, the top of the centering center rest bracket is equipped with through slot, the centering center rest is located in the through slot of the centering center rest bracket, it links together between the centering center rest and the centering center rest bracket, the bottom of the centering center rest bracket is equipped with dynamic guide rail, the top of the centering center rest carrier base is equipped with quiet guide rail, the centering center rest bracket is mounted on the centering center rest carrier base, wherein, it is combined together between quiet guide rail at the top of the dynamic guide rail of the centering center rest frame bottom and the centering center rest carrier base.The present invention have the advantages that adjust it is high-efficient, degree of regulation is high, heavily loaded processing when it is rigidly good.
Description
Technical field
The invention belongs to frock clamp fields, and in particular to a kind of self-centering fixture for working shaft-like workpiece.
Background technique
Fixture is to be used to fix processing object during machine-building, with correct position, with receive processing or
The device of detection.Fixture is widely used in the process in various technical process during machine-building, is such as used to rapid, side
Just, workpiece is safely installed.The existing self-centering fixture for working shaft-like workpiece in use there is adjust low efficiency,
Degree of regulation is low, heavily loaded processing when poor rigidity shortcoming.
Summary of the invention
The purpose of the present invention is for the existing self-centering fixture for working shaft-like workpiece, there is tune in use
The shortcoming of poor rigidity when saving low low efficiency, degree of regulation, heavily loaded processing, provide it is a kind of adjust high-efficient, degree of regulation is high,
When heavy duty processing it is rigidly good and in batch production a kind of good self-centering fixture for working shaft-like workpiece of precision stability.
The technical solution adopted by the present invention is that complete in the following way: a kind of self-centering fixture, the self-centering fixture
It is moved including centering center rest, centering center rest bracket, centering center rest height fine-adjustment, centering center rest bracket
The head of dynamic micromatic setting, centering center rest carrier base, the centering center rest is equipped with arm one, middle arm, arm two, institute
It states centering center rest bracket to be in U-shape, the top of the centering center rest bracket is equipped with through slot, left support plate and right support
Plate, left support plate and right support plate are arranged in parallel in the left and right sides of through slot, and the centering center rest is located at described self-centering
In the through slot of centre frame bracket, part company is fastened by bolts between the centering center rest and the centering center rest bracket
It is connected together, the bottom of the centering center rest bracket is equipped with dynamic guide rail, sets at the top of the centering center rest carrier base
Have quiet guide rail, the centering center rest bracket is mounted on the centering center rest carrier base, wherein it is described it is self-centering in
It is combined together between quiet guide rail at the top of the dynamic guide rail of heart frame frame bottom and the centering center rest carrier base.
In a kind of self-centering fixture, bolt hole one, bolt hole are equipped with the frame of the centering center rest
Two, bolt hole three, bolt hole four；The left support plate and right support plate of the centering center rest bracket are equipped with and make by oneself with described
Bolt hole with the frame of bolt hole five and the centering center rest that bolt hole one with the frame of heart centre frame matches
Two bolts hole six matched, the right support plate of the centering center rest bracket are equipped with the frame with the centering center rest
Bolt hole seven that bolt hole three with it matches, the spiral shell matched with the bolt hole four with the frame of the centering center rest
Keyhole eight, in the left support plate of the centering center rest bracket with the spiral shell in the right support plate of the centering center rest bracket
Seven corresponding section of keyhole is equipped with bolt installation through-hole, in the left support plate of the centering center rest bracket with it is described it is self-centering in
Eight corresponding section of bolt hole in the right support plate of heart frame bracket is equipped with slide block slot；Spiral shell with the frame of the centering center rest
Keyhole one and bolt six cooperate, and bolt six and nut one cooperate；Bolt hole two and spiral shell with the frame of the centering center rest
Bolt seven cooperates, and bolt seven and nut two cooperate；Bolt hole three and bolt eight with the frame of the centering center rest cooperate, spiral shell
Bolt eight and nut three cooperate；Bolt hole four and bolt nine with the frame of the centering center rest cooperate, bolt nine and nut
Four, nut five cooperates；Wherein, nut one, nut two, bolt eight, nut five are centering center rest and centering center rest branch
Locking nut between frame, wherein bolt six is the centre of location axis of the centering center rest；When release nut one, nut
Two, nut three and when nut five, the centering center rest can be axis rotation with bolt six.
In a kind of self-centering fixture, the left support plate of the centering center rest bracket is equipped with compressing member,
Compressing member is mounted in the compressing member hole in the left support plate of the centering center rest bracket, and compressing member includes gland one and bullet
Property element, the gland one of compressing member are fixed in the left support plate of centering center rest bracket, and elastic element one end is against gland
On one, the elastic element other end is against with a side frame of centering center rest, supports another side frame body of centering center rest
In the right support plate of centering center rest bracket.
In a kind of self-centering fixture, the elastic element is made of Cowhells rubber.
In a kind of self-centering fixture, the centering center rest height fine-adjustment include gland two, sliding block,
Connector, screw rod one, gland three, the sliding block are equipped with cylinder and threaded hole five, and the connector is equipped with hole one and hole two,
The screw rod one is equipped with convex shoulder one, and the gland three is equipped with screw hole two, and two sets of hole on the connector is in the cunning
On the cylinder of block, the threaded hole five of the screw thread one of the screw rod one and the sliding block cooperates, the screw hole two of the gland three with
Convex shoulder one matches, and the centering center rest height fine-adjustment is made to be fixed on the left support of the centering center rest bracket
On front edge of board face, the Kong Yiyu bolt nine on the connector is matched.
In a kind of self-centering fixture, the mobile micromatic setting of the centering center rest bracket include screw bolt seat,
Screw rod two, screw rod circle, the screw bolt seat are equipped with screw hole three, and screw hole three is ladder screw hole, in the big hole section of screw hole three
Equipped with left handed threaded hole six；The screw rod two is equipped with convex shoulder two；The screw rod circle is equipped with left hand thread three and screw hole four,
The screw rod two is inserted into screw hole three, and the convex shoulder two on the screw rod two is stuck in the internal shoulder of the ladder screw hole of screw hole three
On, the screw bolt seat is fixed on centering center rest carrier base by bolt four, threaded hole eight.
In a kind of self-centering fixture, the dynamic guide rail of the bottom of the centering center rest bracket is dovetail boss
The quiet guide rail of structure, the top of the centering center rest carrier base is oat tail groove structure, in the centering center rest bracket
It is provided with perforative threaded hole nine on the right side wall of the dovetail groove at seat top, at left and right sides of the centering center rest carrier base
Bolt hole 14 is equipped at side-wall outer side；Lock is equipped on the right side wall of dovetail groove at the top of the centering center rest carrier base
Locking structure, the locking mechanism include liner plate, positioning bolt, and the liner plate is elongated, on the liner plate be equipped with it is described
The corresponding bolt positioning hole of threaded hole nine on the right side wall of dovetail groove at the top of centering center rest carrier base, the liner plate
It is located on the inner wall of the dovetail groove right side wall at the top of the centering center rest carrier base；The centering center rest frame bottom
Dynamic guide rail and the centering center rest carrier base at the top of the cooperation of quiet guide rail after, positioning bolt screws in the self-centering center
After in threaded hole nine on the right side wall of dovetail groove at the top of frame carrier base, withstand on the bolt positioning hole on the liner plate to institute
State centering center rest frame bottom dynamic guide rail apply a thrust, make the centering center rest bracket with it is described self-centering
Centre frame carrier base is closely locked together.
In a kind of self-centering fixture, it is equipped with and bolt five in the through slot bottom surface of the centering center rest bracket
The bolt hole nine in kidney-shaped perforation of cooperation, dovetail groove bottom at the top of the centering center rest carrier base be equipped with in institute
The corresponding threaded hole seven of bolt hole nine on the through slot bottom surface of centering center rest bracket is stated, bolt five is revolved by bolt hole nine
After entering threaded hole seven, it is locked together the centering center rest bracket closely with the centering center rest carrier base.
The present invention with it is existing for the self-centering fixture of working shaft-like workpiece compared with, have adjust it is high-efficient, adjust essence
Degree is high, heavy duty processing when it is rigidly good and in batch production the good feature of precision stability.Present invention is especially suited for as being used for
The self-centering fixture of the high shaft-like workpiece of machining accuracy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram one of self-centering fixture of the present invention.
Fig. 2 is a kind of structural schematic diagram two of self-centering fixture of the present invention.
Fig. 3 is a kind of structural exploded view of self-centering fixture of the present invention.
Fig. 4 is the structural schematic diagram of centering center rest bracket.
Fig. 5 is the structural exploded view of centering center rest height fine-adjustment.
Fig. 6 is the structural exploded view of the mobile micromatic setting of centering center rest bracket.
Fig. 7 is the structural exploded view of centering center rest carrier base.
In attached drawing 1 into attached drawing 7,1 indicates centering center rest；1a indicates arm one；Arm in 1b expression；1c indicates arm
Two；1d indicates bolt hole one；1e indicates bolt hole two；1f indicates bolt hole three；1g indicates bolt hole four；During 2 expressions are self-centering
Heart frame bracket；2a indicates bolt hole five；2b indicates bolt hole six；2c indicates bolt hole seven；2d indicates bolt hole eight；2e indicates spiral shell
Keyhole nine；2f indicates threaded hole one；2g indicates dynamic guide rail；2h indicates threaded hole two；2i indicates screw hole one；2j indicates threaded hole
Three；2k indicates slide block slot；2m indicates threaded hole four；2n indicates compressing member hole；2p indicates through slot；2q indicates left support plate；2r table
Show right support plate；2s indicates bolt installation through-hole；3 indicate compressing member；3a indicates bolt one；3b indicates gland one；3b1 indicates spiral shell
Keyhole ten；3c indicates elastic element；4 indicate centering center rest height fine-adjustment；4a indicates bolt two；4b indicates gland
Two；4b1 indicates bolt hole 11；4c indicates sliding block；4c1 indicates cylinder；4c2 indicates threaded hole five；4d indicates connector；4d1
Indicate hole one；4d2 indicates hole two；4e indicates screw rod one；4e1 indicates screw thread one；4e2 indicates convex shoulder one；4f indicates gland three；
4f1 indicates bolt hole 12；4f2 indicates screw hole two；4g indicates bolt three；5 indicate the mobile fine tuning of centering center rest bracket
Device；5a indicates bolt four；5b indicates screw bolt seat；5b1 indicates bolt hole 13；5b2 indicates screw hole three；5b3 indicates screw thread
Hole six (left-handed)；5c indicates screw rod two；5c1 indicates screw thread two；5c2 indicates convex shoulder two；5d indicates screw rod circle；5d1 indicates screw thread
Three (left-handed)；5d2 indicates screw hole four；6 indicate centering center rest carrier base；6a indicates quiet guide rail；6b indicates threaded hole seven；
6c indicates threaded hole eight；6d indicates bolt hole 14；6e indicates threaded hole nine；6f indicates bolt five；7 indicate bolt fastener
One；7a indicates bolt six；7b indicates nut one；8 indicate bolt fastener two；8a indicates bolt seven；8b indicates nut two；9 tables
Show bolt fastener three；9a indicates bolt eight；9b indicates nut three；10 indicate bolt fastener four；10a indicates bolt nine；10b
Indicate nut four；10c indicates nut five；11 indicate locking mechanism；11a indicates liner plate；11a1 indicates bolt positioning hole；11b table
Show positioning bolt.
Specific embodiment
Below against attached drawing, the invention is further illustrated by the examples.
Referring to attached drawing 1 to attached drawing 7, a kind of self-centering fixture, it includes centering center rest 1, centering center rest bracket
2, centering center rest height fine-adjustment 4, centering center rest bracket mobile micromatic setting 5, centering center rest carrier base
6；The centering center rest 1 uses SMW-AUTOBLOK centering center rest, and the head of the centering center rest 1 is equipped with hand
One 1a of arm, middle arm 1b, two 1c of arm, the centering center rest bracket 2 are in U-shape, the top of the centering center rest bracket 2
Equipped with through slot 2p, left support plate 2q and right support plate 2r, left support plate 2q and right support plate 2r are arranged in parallel in a left side of through slot 2p
Right two sides, the centering center rest 1 are located in the through slot 2p of the centering center rest bracket 2, the centering center rest 1
It is fastened by bolts part between the centering center rest bracket 2 to link together, the bottom of the centering center rest bracket 2
Portion is equipped with dynamic guide rail 2g, and the top of the centering center rest carrier base 6 is equipped with quiet guide rail 6a, the centering center rest bracket
2 are mounted on the centering center rest carrier base 6, the dynamic guide rail 2g of 2 bottom of centering center rest bracket and it is described from
It is combined together between the quiet guide rail 6a at 6 top of open type self-centering center rest carrier base；Spiral shell is equipped with the frame of the centering center rest 1
One 1d of keyhole, two 1e of bolt hole, three 1f of bolt hole, four 1g of bolt hole；The left support plate 2q of the centering center rest bracket 2 and
Right support plate 2r be equipped with matched with one 1d of bolt hole with the frame of the centering center rest 1 five 2a of bolt hole, with
Six 2b of bolt hole that two 1e of bolt hole with the frame of the centering center rest 1 is matched, the centering center rest bracket 2
Right support plate 2r be equipped with matched with three 1f of bolt hole with the frame of the centering center rest 1 seven 2c of bolt hole,
Eight 2d of bolt hole matched with four 1g of bolt hole with the frame of the centering center rest 1, the centering center rest branch
It is set on the left support plate 2q of frame 2 with seven corresponding section 2c of bolt hole on the right support plate 2r of the centering center rest bracket 2
Have a bolt installation through-hole 2s, on the left support plate 2q of the centering center rest bracket 2 with the centering center rest bracket 2
Eight corresponding section 2d of bolt hole on right support plate 2r is equipped with slide block slot 2k；Bolt with the frame of the centering center rest 1
One 1d of hole and six 7a of bolt cooperates, and six 7a of bolt and one 7b of nut cooperate；Bolt hole with the frame of the centering center rest 1
Two 1e and seven 8a of bolt cooperate, and seven 8a of bolt and two 8b of nut cooperate；Bolt hole three with the frame of the centering center rest 1
1f and eight 9a of bolt cooperates, and eight 9a of bolt and three 9b of nut cooperate；Four 1g of bolt hole with the frame of the centering center rest 1
Cooperate with nine 10a of bolt, nine 10a of bolt and four 10b of nut, five 10c of nut cooperate；Wherein, one 7b of nut, two 8b of nut, spiral shell
The locking nut of eight 9a of bolt, five 10c of nut between centering center rest 1 and centering center rest bracket 2, wherein bolt six
7a is the centre of location axis of the centering center rest 1；As release one 7b of nut, five 10c of two 8b of nut, three 9b of nut and nut
When, the centering center rest 1 can be using six 7a of bolt as axis rotation, in which:
The left support plate 2q of the centering center rest bracket 2 is equipped with compressing member 3, and compressing member 3 is mounted on described make by oneself
In compressing member hole 2n on the left support plate 2q of heart centre frame bracket 2, compressing member 3 includes gland one 3b and elastic element 3c, institute
It states elastic element 3c to be made of Cowhells rubber, one 3b of gland is equipped with ten 3b1 of bolt hole, and one 3b of gland of compressing member 3 passes through
One 3a of bolt is fixed on the left support plate 2q of centering center rest bracket 2, and the one end elastic element 3c is against on one 3b of gland, bullet
Property the element 3c other end be against with a side frame of centering center rest 1, make another side frame body of centering center rest 1 be against from
On the right support plate 2r of open type self-centering center rest bracket 2；
The centering center rest height fine-adjustment 4 includes two 4b of gland, sliding block 4c, cylinder 4c1, connector 4d, spiral shell
One 4e of bar, gland three 4f, two 4b of gland are equipped with 11 4b1 of bolt hole, and the sliding block 4c is equipped with cylinder 4c1 and screw thread
Five 4c2 of hole, the connector 4d are equipped with two 4d2 of one 4d1 of hole and hole, and one 4e of screw rod is equipped with one 4e1 of screw thread and convex shoulder
One 4e2, three 4f of gland are equipped with two 4f2 of 12 4f1 of bolt hole and screw hole, two 4d2 of the hole set on the connector 4d
On the cylinder 4c1 of the sliding block 4c, five 4c2 of threaded hole of one 4e1 of screw thread and the sliding block 4c of one 4e of screw rod cooperate,
Two 4f2 of screw hole of three 4f of gland is matched with one 4e2 of convex shoulder, three 4g of bolt pass through 12 4f1 of bolt hole with it is self-centering
Two 2h of threaded hole on the left support plate 2q of centre frame bracket 2 is matched, and keeps the centering center rest height fine-adjustment 4 solid
It is scheduled on the left support plate 2q front end face of the centering center rest bracket 2, one 4d1 of hole on the connector 4d and bolt nine
10a is matched；
The mobile micromatic setting 5 of the centering center rest bracket includes four 5a of bolt, screw bolt seat 5b, two 5c of screw rod, screw rod
5d is enclosed, the screw bolt seat 5b is equipped with three 5b2 of 13 5b1 of bolt hole and screw hole, and three 5b2 of screw hole is ladder screw hole, screw rod
The big hole section of three 5b2 of hole is equipped with six 5b3 of left handed threaded hole；Two 5c of screw rod is equipped with two 5c2 of two 5c1 of screw thread and convex shoulder；
The screw rod circle 5d is equipped with four 5d2 of three 5d1 of left hand thread and screw hole, and two 5c of screw rod is inserted into three 5b2 of screw hole, institute
On the internal shoulder for stating the ladder screw hole that two 5c2 of convex shoulder on two 5c of screw rod is stuck in three 5b2 of screw hole, the screw bolt seat 5b passes through spiral shell
Four 5a of bolt, eight 6c of threaded hole are fixed on centering center rest carrier base 6；
The dynamic guide rail 2g of the bottom of the centering center rest bracket 2 is dovetail boss structure, the centering center rest
The quiet guide rail 6a at the top of carrier base 6 is oat tail groove structure, on the right side of the dovetail groove at 6 top of centering center rest carrier base
It is provided with perforative nine 6e of threaded hole on side wall, is equipped at the side-wall outer side of 6 left and right sides of centering center rest carrier base
14 6d of bolt hole；Locking mechanism 11, institute are equipped on the right side wall of the dovetail groove at 6 top of centering center rest carrier base
State locking mechanism 11 include liner plate 11a, positioning bolt 11b, the liner plate 11a is elongated, on the liner plate 11a be equipped with
The corresponding bolt positioning hole of nine 6e of threaded hole on the right side wall of the dovetail groove at 6 top of centering center rest carrier base
11a1, the liner plate 11a are located on the inner wall of the dovetail groove right side wall at 6 top of centering center rest carrier base；It is described from
It is fixed after the quiet guide rail 6a cooperation at 6 top the dynamic guide rail 2g of 2 bottom of open type self-centering center rest bracket and the centering center rest carrier base
After position bolt 11b is screwed in nine 6e of threaded hole on the right side wall of the dovetail groove at 6 top of centering center rest carrier base, top
One is applied to the dynamic guide rail 2g of 2 bottom of centering center rest bracket on the bolt positioning hole 11a1 on the liner plate 11a
A thrust is locked together the centering center rest bracket 2 closely with the centering center rest carrier base 6；
The spiral shell in kidney-shaped perforation cooperated with five 6f of bolt is equipped in the bottom surface through slot 2p of the centering center rest bracket 2
Nine 2e of keyhole, the dovetail groove bottom at 6 top of the centering center rest carrier base be equipped with in the centering center rest branch
Nine 2e of bolt hole corresponding seven 6b of threaded hole, five 6f of bolt on the bottom surface through slot 2p of frame 2 screw in spiral shell by nine 2e of bolt hole
After seven 6b of pit, it is locked together the centering center rest bracket 2 closely with the centering center rest carrier base 6.
In use, first adjusting the verticality of centering center rest 1 and axis of workpiece, then centering center rest carrier base 6
Fixed on lathe, the upper and lower direction of workpiece concentricity is then adjusted with centering center rest height fine-adjustment 4, then use oneself
The mobile micromatic setting 5 of open type self-centering center rest bracket adjusts the front and rear direction of workpiece concentricity, finally by centering center rest 1 and certainly
Open type self-centering center rest bracket 2 is fixed, and centering center rest bracket 2 and centering center rest carrier base 6 is fixed.
As described above, only presently preferred embodiments of the present invention, but cannot be limited the scope of implementation of the present invention with this,
This hair is all still fallen within according to simple equivalent changes and modifications made by scope of the present invention patent and description generally
It is bright cover in the range of.
Claims (8)
1. a kind of self-centering fixture, it is characterised in that the self-centering fixture include centering center rest, centering center rest bracket,
Centering center rest height fine-adjustment, centering center rest bracket mobile micromatic setting, centering center rest carrier base, it is described
The head of centering center rest is equipped with arm one, middle arm, arm two, and the centering center rest bracket is in U-shape, described self-centering
The top of centre frame bracket is equipped with through slot, left support plate and right support plate, and left support plate and right support plate are arranged in parallel in through slot
The left and right sides, the centering center rest is located in the through slot of the centering center rest bracket, the centering center rest
It is fastened by bolts part between the centering center rest bracket to link together, the bottom of the centering center rest bracket
Equipped with dynamic guide rail, the top of the centering center rest carrier base is equipped with quiet guide rail, and the centering center rest bracket is mounted on
On the centering center rest carrier base, wherein the dynamic guide rail of the centering center rest frame bottom and it is described it is self-centering in
It is combined together between quiet guide rail at the top of heart frame carrier base.
2. a kind of self-centering fixture according to claim 1, it is characterised in that set with the frame of the centering center rest 1
There are bolt hole one, bolt hole two, bolt hole three, bolt hole four；The left support plate and right support of the centering center rest bracket
Plate is equipped with the bolt hole five matched with the bolt hole one with the frame of the centering center rest and the self-centering center
The right support plate of the bolt hole six that bolt hole two with the frame of frame matches, the centering center rest bracket is equipped with and institute
With the frame for stating bolt hole seven and the centering center rest that the bolt hole three with the frame of centering center rest matches
The bolt hole eight that bolt hole four matches, in the left support plate of the centering center rest bracket with the centering center rest branch
Seven corresponding section of bolt hole in the right support plate of frame is equipped with bolt installation through-hole, the left support of the centering center rest bracket
Slide block slot is equipped with eight corresponding section of bolt hole in the right support plate of the centering center rest bracket on plate；It is described self-centering
Bolt hole one and bolt six with the frame of centre frame cooperate, and bolt six and nut one cooperate；The frame of the centering center rest
Bolt hole two and bolt seven with it cooperates, and bolt seven and nut two cooperate；Bolt with the frame of the centering center rest
Kong Sanyu bolt eight cooperates, and bolt eight and nut three cooperate；Bolt hole four and bolt with the frame of the centering center rest
Nine cooperations, bolt nine and nut four, nut five cooperate；Wherein, nut one, nut two, bolt eight, nut five are self-centering center
Locking nut between frame and centering center rest bracket, wherein bolt six is the centre of location axis of the centering center rest；
When unclamping nut one, nut two, nut three and nut five, the centering center rest can be axis rotation with bolt six.
3. a kind of self-centering fixture according to claim 1 or 2, it is characterised in that a left side for the centering center rest bracket
Support plate is equipped with compressing member, and compressing member is mounted in the compressing member hole in the left support plate of the centering center rest bracket,
Compressing member includes gland one and elastic element, and the gland one of compressing member is fixed in the left support plate of centering center rest bracket,
Elastic element one end is against on gland one, and the elastic element other end is against with a side frame of centering center rest, is made self-centering
Another side frame body of centre frame is against in the right support plate of centering center rest bracket.
4. a kind of self-centering fixture according to claim 3, it is characterised in that the elastic element uses Cowhells rubber system
At.
5. a kind of self-centering fixture according to claim 1 or 2, it is characterised in that the centering center rest high fine-tuning
Device includes gland two, sliding block, connector, screw rod one, gland three, and the sliding block is equipped with cylinder and threaded hole five, the company
Fitting is equipped with hole one and hole two, and the screw rod one is equipped with convex shoulder one, and the gland three is equipped with screw hole two, the connection
Two sets of hole on part is on the cylinder of the sliding block, and the screw thread one of the screw rod one and the threaded hole five of the sliding block cooperate, institute
The screw hole two for stating gland three is matched with convex shoulder one, and the centering center rest height fine-adjustment is made to be fixed on described make by oneself
On the left support plate front end face of heart centre frame bracket, the Kong Yiyu bolt nine on the connector is matched.
6. a kind of self-centering fixture according to claim 1 or 2, it is characterised in that the centering center rest bracket is mobile
Micromatic setting includes screw bolt seat, screw rod two, screw rod circle, and the screw bolt seat is equipped with screw hole three, and screw hole three is ladder screw hole,
The big hole section of screw hole three is equipped with left handed threaded hole six；The screw rod two is equipped with convex shoulder two；The screw rod circle is equipped with a left side
Screw thread three and screw hole four are revolved, the screw rod two is inserted into screw hole three, and the convex shoulder two on the screw rod two is stuck in screw hole three
Ladder screw hole internal shoulder on, the screw bolt seat is fixed on centering center rest carrier base by bolt four, threaded hole eight.
7. a kind of self-centering fixture according to claim 1 or 2, it is characterised in that the bottom of the centering center rest bracket
The dynamic guide rail in portion is dovetail boss structure, and the quiet guide rail at the top of the centering center rest carrier base is oat tail groove structure,
Perforative threaded hole nine is provided on the right side wall of dovetail groove at the top of the centering center rest carrier base, it is described it is self-centering in
Bolt hole 14 is equipped at side-wall outer side at left and right sides of heart frame carrier base；Swallow at the top of the centering center rest carrier base
The right side wall of stern notch is equipped with locking mechanism, and the locking mechanism includes liner plate, positioning bolt, and the liner plate is elongated,
The liner plate is equipped with corresponding with the threaded hole nine on the right side wall of the dovetail groove at the top of the centering center rest carrier base
Bolt positioning hole, the liner plate is located on the inner wall of the dovetail groove right side wall at the top of the centering center rest carrier base；Institute
The dynamic guide rail of centering center rest frame bottom is stated with after the quiet guide rail cooperation at the top of the centering center rest carrier base, is positioned
After bolt screws in the threaded hole nine on the right side wall of the dovetail groove at the top of the centering center rest carrier base, the lining is withstood on
A thrust is applied to the dynamic guide rail of the centering center rest frame bottom on bolt positioning hole on plate, is made described self-centering
Centre frame bracket is closely locked together with the centering center rest carrier base.
8. a kind of self-centering fixture according to claim 1 or 2, it is characterised in that in the centering center rest bracket
Through slot bottom surface is equipped with the bolt hole nine in kidney-shaped perforation cooperated with bolt five, at the top of the centering center rest carrier base
Dovetail groove bottom is equipped with threaded hole seven corresponding with the bolt hole nine on the through slot bottom surface of the centering center rest bracket,
After bolt five screws in threaded hole seven by bolt hole nine, make the centering center rest bracket and the centering center rest bracket
Seat is closely locked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910579181.0A CN110125847A (en) | 2019-06-28 | 2019-06-28 | A kind of self-centering fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910579181.0A CN110125847A (en) | 2019-06-28 | 2019-06-28 | A kind of self-centering fixture |
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| CN110125847A true CN110125847A (en) | 2019-08-16 |
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| CN201910579181.0A Pending CN110125847A (en) | 2019-06-28 | 2019-06-28 | A kind of self-centering fixture |
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