CN207325974U - Three refer to Self-centering device - Google Patents
Three refer to Self-centering device Download PDFInfo
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- CN207325974U CN207325974U CN201721077637.6U CN201721077637U CN207325974U CN 207325974 U CN207325974 U CN 207325974U CN 201721077637 U CN201721077637 U CN 201721077637U CN 207325974 U CN207325974 U CN 207325974U
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- adjusting block
- fixed disk
- chuck
- turbine
- turbine chuck
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Abstract
The utility model provides one kind three and refers to Self-centering device, including annular fixed disk, the fixed disk upper surface is evenly spaced on three card slots, adjusting block is connected with respectively in the card slot, the fixed disk is equipped with the turbine chuck of annular, the adjusting block is more than turbo card dish external diameter and the difference of internal diameter along fixed disk radical length, and the turbine chuck lower surface is protruding with scroll wrap, and the adjusting block upper surface has the adjusting tooth engaged with the scroll wrap of turbine chuck.The utility model engages connection by the scroll wrap of turbine chuck and the tooth form of adjusting block, when rotating turbine chuck, adjusting block can be advanced or retreated by synchronous drive, relative to the scroll chuck being synchronized with the movement using electronic equipment control, three adjusting block synchro-feeds are controlled using mechanical structure, good concentricity, it is ensured that workpiece centre is located on pivot.
Description
Technical field
Component of machine manufacture field is the utility model is related to, more particularly to one kind three refers to Self-centering device.
Background technology
In processing equipment parts, it usually needs workpiece is gripped using clamping device.In order to ensure work
Part center on pivot, it is necessary to according to three points centering principle, the three-jaw of chuck by pneumatic or other modes jointly into
Give.When being clamped using common three-jaw clamping workpiece, even if three-jaw is driven by synchronizing cylinder, three-jaw clamping can not be completely secured
Progress is fully synchronized.Common three-jaw clamping device can not meet the clamping demand of the high concentricity of high synchronism.Therefore having must
Existing three-jaw clamping device is redesigned, meet synchronism demand.
Utility model content
The technical problems to be solved in the utility model is：In order to improve the synchronism of clamping, meet highly precision clamp demand,
The utility model provides a kind of reliable and stable, three-jaw and can retreat at the same time, and feed good concentricity three refer to Self-centering device.
Technical solution is used by the utility model solves its technical problem：One kind three refers to Self-centering device, including ring
Shape fixed disk, the fixed disk upper surface is evenly spaced on three card slots, adjusting block is connected with respectively in the card slot, described
Fixed disk be equipped with the turbine chuck of annular, the adjusting block is more than turbo card dish external diameter and internal diameter along fixed disk radical length
Difference, the turbine chuck lower surface is protruding with scroll wrap, and there is the scroll wrap with turbine chuck to nibble for the adjusting block upper surface
The adjusting tooth of conjunction.When adjusting block needs at the same time to advance or retreat, then turbine chuck is rotated clockwise or counterclockwise, is vortexed
Tooth drives the adjusting block that engages synchronously to do to advance or backward movement.
Personnel operate in order to facilitate the operation, and latch is distributed with turbine chuck outer circumferential surface, and the turbine chuck is nibbled by latch
Close the shield for being connected with covering turbine chuck；The shield is not less than for the ring-shaped structure concentric with fixed disk and annulus outside diameter
Adjusting block outside diameter；The shield is fastenedly connected with fixed disk outer circumferential surface by bolt thread.Needing advanced in unison or exiting
During adjusting block, only shield need to be rotated.Shield engages connection with turbine chuck by latch, when rotating shield, turbo card
Disk is also rotated synchronously therewith, you can drives adjusting block synchronization action by the scroll wrap on ground under turbine chuck.
Further, fixed disk corresponds to adjusting block tail end and offers locking hole, and shield, which corresponds to, has indent at locking hole
Groove, inner groovy is interior to be equipped with slip ring, has adjusting screw in locking hole, the adjusting block bottom surface is provided with sliding locked groove, the adjusting
Screw slides in sliding locked groove and can be by adjusting block and slip ring, shield screw-threaded coupling.After turbine chuck is reversed in place, adjust
Block also synchronous shift to suitable position, at this time can screw thread tighten adjusting screw, by adjusting block and slip ring, shield screw-threaded coupling, i.e.,
Adjusting block position can be fixed, prevents adjusting block from unnecessary Influence of Displacement clamp precision occurs.
Further, for the ease of supporting, screw threads for fastening has at least three support columns under fixed disk.It is arranged under fixed disk
Support column effective support can be provided for fixed disk, facilitate some surfaces of synchronous clamping to there is protrusion or with certain altitude
Workpiece.
Further, workpiece surface radian is adapted to for convenience, and adjusting block end is fixed with supporting block, the supporting block
Inner surface is cambered surface.
The beneficial effects of the utility model are：Provided by the utility model three refer to Self-centering device, pass through turbine chuck
Scroll wrap and the engagement connection of the tooth form of adjusting block, when rotating turbine chuck, adjusting block can be advanced or retreated by synchronous drive,
Relative to the scroll chuck being synchronized with the movement using electronic equipment control, three adjusting block synchro-feeds are controlled using mechanical structure,
Good concentricity, it is ensured that workpiece centre is located on pivot.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the schematic perspective view of the utility model optimum embodiment.
Fig. 2 is the bottom view of the utility model optimum embodiment.
Fig. 3 is the sectional view of A-A in Fig. 2.
Fig. 4 is the enlarged diagram at B in Fig. 3.
1, fixed disk 2, card slot 3, adjusting block 4, adjusting tooth 5, turbine chuck 6, scroll wrap 7, latch 8, shield in figure
Cover 9, locking hole 10, slip ring 11, adjusting screw 12, sliding locked groove 13, supporting block 14, support column.
Embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the composition related with the utility model.
One kind three as shown in Figures 1 to 4 refers to Self-centering device, is the utility model optimum embodiment, including annular is solid
Price fixing 1.1 upper surface of fixed disk is evenly spaced on three card slots 2, and adjusting block 3 is connected with respectively in the card slot 2.Adjust
3 end of locking nub is fixed with supporting block 13, and the inner surface of the supporting block 13 is cambered surface, can conveniently adapt to workpiece surface radian.
For the ease of support, 1 time screw threads for fastening of fixed disk has three uniform support columns 14.The position of support column 14 and tune
3 position of locking nub is staggered design.The support column 14 being arranged under fixed disk 1 can be that fixed disk 1 provides effective support, convenient synchronous folder
Tight some surfaces are with workpiece raised or with certain altitude.
Fixed disk 1 is equipped with the turbine chuck 5 of annular, and the adjusting block 3 is more than turbine chuck along 1 radical length of fixed disk
The difference of 5 outside diameters and internal diameter, 5 lower surface of turbine chuck are protruding with scroll wrap 6, and 3 upper surface of adjusting block has and turbine chuck
The adjusting tooth 4 that 5 scroll wrap 6 engages.
Latch 7 is distributed with 5 outer circumferential surface of turbine chuck, and the turbine chuck 5 is connected with covering turbo card by the engagement of latch 7
The shield 8 of disk 5；The shield 8 is not less than 3 outside diameter of adjusting block for the ring-shaped structure concentric with fixed disk 1 and annulus outside diameter；Institute
Shield 8 is stated to be fastenedly connected by bolt thread with 1 outer circumferential surface of fixed disk.When needing advanced in unison or exiting adjusting block 3, only
Shield 8 need to be rotated.Shield 8 engages connection with turbine chuck 5 by latch 7.Adjusting block 3 need at the same time advance or after
When moving back, shield 8 is rotated clockwise or counterclockwise, turbine chuck 5 is also rotated synchronously therewith, and scroll wrap 6 drives and engages
Adjusting block 3 synchronously do and advance or backward movement, rotating operation is more convenient directly perceived.
Fixed disk 1 corresponds to 3 tail end of adjusting block and offers locking hole 9, and shield 8, which is corresponded at locking hole 9, has inner groovy, indent
Slip ring 10 is equipped with groove, there is adjusting screw 11 in locking hole 9,3 bottom surface of adjusting block is provided with sliding locked groove 12, the adjusting
Screw 11 slides in sliding locked groove 12 and can be by adjusting block 3 and slip ring 10,8 screw-threaded coupling of shield.Reversed in turbine chuck 5
When, adjusting screw 11 is then along the sliding in sliding locked groove 12 of sliding locked groove 12.After turbine chuck 5 is reversed in place, adjusting block 3
Also synchronous shift is to suitable position, at this time can screw thread tighten adjusting screw 11, by adjusting block 3 and slip ring 10,8 screw fastening of shield
Tightly, you can fix 3 position of adjusting block, prevent adjusting block 3 from unnecessary Influence of Displacement clamp precision occurs.
Three be so designed that refer to Self-centering device, when needing gripping workpiece to ensure that workpiece centre is consistent with pivot.
Connection is engaged by the scroll wrap 6 of turbine chuck 5 and the tooth form of adjusting block 3, only needs clockwise or counter-clockwise to turn as needed
Dynamic shield 8, the turbine chuck 5 engaged with shield 8 then act therewith, drive synchronous with three adjusting blocks 3 that turbine chuck 5 engages
Advance or retreat, relative to the scroll chuck being synchronized with the movement using electronic equipment control, using volute mechanical structure control
Make three 3 synchro-feeds of adjusting block, good concentricity, it is ensured that workpiece centre is located on pivot.
Using the above-mentioned desirable embodiment according to the utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (5)
1. one kind three refers to Self-centering device, it is characterised in that：Including annular fixed disk (1), fixed disk (1) upper surface is uniform
Three card slots (2) are spaced apart, are connected with adjusting block (3) respectively in the card slot (2), the fixed disk (1) is equipped with ring
The turbine chuck (5) of shape, the adjusting block (3) along fixed disk (1) radical length be more than turbine chuck (5) outside diameter and internal diameter it
Difference, turbine chuck (5) lower surface are protruding with scroll wrap (6), and adjusting block (3) upper surface has and turbine chuck (5)
Scroll wrap (6) engagement adjusting tooth (4).
2. as claimed in claim 1 three refer to Self-centering device, it is characterised in that：Turbine chuck (5) periphery EDS maps
There is latch (7), the turbine chuck (5) is connected with the shield (8) of covering turbine chuck (5) by latch (7) engagement；The shield
Cover (8) is not less than adjusting block (3) outside diameter for the ring-shaped structure and annulus outside diameter concentric with fixed disk (1)；The shield (8) with
Fixed disk (1) outer circumferential surface is fastenedly connected.
3. as claimed in claim 1 three refer to Self-centering device, it is characterised in that：The corresponding adjusting block (3) of the fixed disk (1)
Tail end offers locking hole (9), and corresponding locking hole (9) place of shield (8) has inner groovy, is equipped with slip ring (10) in inner groovy, locks
There is adjusting screw (11), adjusting block (3) bottom surface is provided with sliding locked groove (12), the adjusting screw (11) in tieholen (9)
The sliding and can be by adjusting block (3) and slip ring (10), shield (8) screw-threaded coupling in sliding locked groove (12).
4. as claimed in claim 1 three refer to Self-centering device, it is characterised in that：Described adjusting block (3) end is fixed with branch
Bracer (13), the inner surface of the supporting block (13) is cambered surface.
5. as claimed in claim 1 three refer to Self-centering device, it is characterised in that：There is screw threads for fastening under the fixed disk (1)
At least three support columns (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721077637.6U CN207325974U (en) | 2017-08-25 | 2017-08-25 | Three refer to Self-centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721077637.6U CN207325974U (en) | 2017-08-25 | 2017-08-25 | Three refer to Self-centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207325974U true CN207325974U (en) | 2018-05-08 |
Family
ID=62374020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721077637.6U Active CN207325974U (en) | 2017-08-25 | 2017-08-25 | Three refer to Self-centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207325974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378018A (en) * | 2017-08-25 | 2017-11-24 | 金石机器人银川有限公司 | Three refer to Self-centering device |
-
2017
- 2017-08-25 CN CN201721077637.6U patent/CN207325974U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378018A (en) * | 2017-08-25 | 2017-11-24 | 金石机器人银川有限公司 | Three refer to Self-centering device |
| CN107378018B (en) * | 2017-08-25 | 2023-11-28 | 金石机器人银川有限公司 | Three-finger self-centering device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 750021 First Floor, Section E, Building 3, Phase 1, Bearing Town, Jinfeng Industrial Park, Economic Development Zone, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: Yigong Robot Yinchuan Co.,Ltd. Address before: 750021 Workshop 7, SME Entrepreneurship Base, West Zone, Yinchuan Development Zone, Ningxia Hui Autonomous Region Patentee before: STON ROBOTICS YINCHUAN CO.,LTD. |