CN113399695A - Quick self-centering chuck - Google Patents
Quick self-centering chuck Download PDFInfo
- Publication number
- CN113399695A CN113399695A CN202110784296.0A CN202110784296A CN113399695A CN 113399695 A CN113399695 A CN 113399695A CN 202110784296 A CN202110784296 A CN 202110784296A CN 113399695 A CN113399695 A CN 113399695A
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- China
- Prior art keywords
- seat
- centering chuck
- clamping
- rotating
- base
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- 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
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a quick self-centering chuck, which relates to the field of mechanical part machining fixtures and comprises a base, wherein a rotating mechanism is arranged at the center of the base, the rotating mechanism comprises a rotating shaft and a rotating seat, the rotating shaft penetrates through the rotating seat to be in threaded connection with the base, a clamping seat is arranged on the base, the clamping seat is in sliding connection with the base through a sliding rail, the rotating seat is connected with the clamping seat through a connecting rod, one end of the connecting rod is hinged with the rotating seat, and the other end of the connecting rod is hinged with the clamping seat.
Description
Technical Field
The invention relates to the field of mechanical part machining clamps, in particular to a quick self-centering chuck.
Background
On one hand, the annular part is thin and large in diameter, so that the annular part cannot be directly clamped on a machining center to complete milling of the arc-shaped sample, and a special clamp needs to be designed to fix the thin-wall annular part to complete machining of the arc-shaped sample.
On the other hand, when processing, the ring-shaped part is usually drilled or milled by a clamping mode of pressing by a pressing plate.
The clamping mode for processing the ring-shaped part has the following defects:
(1) the center of the ring-shaped part needs to be marked before clamping, and an error exists when the center is aligned. And the center needs to be aligned once every time the clamp is clamped, so that the machining efficiency is low.
(2) The positioning is needed to be repeated during clamping, and the positioning precision is poor.
Disclosure of Invention
The invention aims to solve the problems that the time and labor are wasted when the center of an annular part is searched during the processing of the annular part and the precision is poor in the prior art.
In order to solve the problems, the technical scheme adopted by the invention is to provide a quick self-centering chuck which comprises a base, wherein a rotating mechanism is arranged at the center of the base and comprises a rotating shaft and a rotating seat, the rotating shaft penetrates through the rotating seat to be in threaded connection with the base, a clamping seat is arranged on the base and is in sliding connection with the base through a sliding rail, the rotating seat is connected with the clamping seat through a connecting rod, one end of the connecting rod is hinged with the rotating seat, and the other end of the connecting rod is hinged with the clamping seat.
Furthermore, the bottom of the rotating shaft is provided with a first thread, the joint of the middle of the rotating shaft and the rotating seat is prismatic, the top of the rotating shaft is provided with a first knob, and a clamping ring is arranged between the first knob and the prismatic.
Furthermore, the rotary seats are multiple and are arranged up and down, and a partition is arranged below each rotary seat.
Preferably, the number of the rotating bases is two.
Furthermore, one side of the clamping seat is hinged with the connecting rod, the other side of the clamping seat is provided with a clamping groove, and a clamping jaw is arranged in the clamping groove.
Further, the jack catch includes the swing arm, the swing arm cover is equipped with the sleeve, the briquetting has set firmly on the sleeve, the swing arm bottom is equipped with the second screw thread, and the top is equipped with the second knob, swing arm and cassette threaded connection.
Preferably, the first knob and the second knob are provided with screw holes above.
Preferably, the rotary hole is polygonal.
Furthermore, the clamping seats are in multiple groups and are respectively connected with the rotating seat through connecting rods.
Preferably, the clamping seats are two or three groups and are respectively connected with the rotating seat through connecting rods.
Compared with the prior art, the fast self-centering chuck has stronger adaptability and better safety and stability, and can play a role in improving the processing precision and the processing efficiency when a ring-shaped part is added.
Drawings
FIG. 1 is a schematic diagram of the general construction of the fast self-centering chuck of the present invention;
FIG. 2 is an exploded view of the fast self-centering chuck of the present invention;
FIG. 3 is a schematic view of a rotary mechanism of the present invention;
FIG. 4 is a schematic view of a cartridge structure of the present invention;
FIG. 5 is a schematic view of the jaw configuration of the present invention;
FIG. 6 is a schematic diagram of an embodiment of the present invention in operation in a fast self-centering chuck;
fig. 7 is a schematic structural view of a second embodiment of the fast self-centering chuck of the present invention in operation.
Detailed Description
For the convenience of further understanding the technical scheme of the present invention, the present invention will be further described in detail by referring to the specific embodiments and the form of the attached drawings, but the following embodiments only serve to help understanding the present invention and are not to be construed as limiting the present invention.
The first embodiment is as follows:
fig. 1 and fig. 2 show, a quick self-centering chuck, includes base 1, 1 center of base is equipped with rotary mechanism, rotary mechanism includes rotation axis 2 and roating seat 3, rotation axis 2 passes roating seat 3 and base 1 threaded connection, be equipped with three cassette 4 on the base 1, cassette 4 passes through slide rail sliding connection with base 1, 3 quantity of roating seat are two, arrange from top to bottom, 3 below of every roating seat are equipped with and cut off 5.
The rotating seat 3 is provided with three corners, and the corners are hinged with the three clamping seats 4 through three arc-shaped connecting rods 6.
As shown in fig. 3, the bottom of the rotating shaft 2 is provided with a first thread 8, the joint between the middle of the rotating shaft and the rotating base 3 is a prism 9, the top of the rotating shaft is provided with a first knob 10, and a clamping ring 11 is arranged between the first knob 10 and the prism 9 and used for clamping the rotating base 3.
As shown in fig. 4, a convex block 12 is arranged on one side of the clamping seat 4, the convex block 12 is hinged to the connecting rod 6, a clamping groove is arranged on the other side of the clamping seat 4, and a clamping jaw 13 is arranged in the clamping groove.
As shown in fig. 5, the jaw 13 includes a rotating rod 14, the rotating rod 14 is sleeved with a sleeve 15, a pressing block 7 is fixedly arranged on the sleeve 15, a second thread 16 is arranged at the bottom of the rotating rod 14, a second knob 17 is arranged at the top of the rotating rod 14, and the rotating rod 14 is in threaded connection with the clamping seat 4.
Inner hexagonal screw holes are arranged above the first knob 10 and the second knob 17.
The three clamping seats 4 are respectively connected with the rotating seat 3 through connecting rods 6.
The working principle is as follows:
as shown in figure 6 of the drawings,
a: before processing, the device is clamped on the working table surface of a drilling machine or a milling machine by using bolts.
b: the first knob of anticlockwise rotation drives the rotation axis and makes three cassette outwards move, continues anticlockwise rotation first knob when the cassette withstands the interior circle of loop type work piece, and the epaxial snap ring of rotation blocks the roating seat and realizes the locking this moment, and simultaneously, the three cassette outside card of this device is in the interior round department of loop type work piece, and the loop type part is locked by the cassette.
c, rotating the second knob clockwise to enable the rotating rod to rotate downwards, further driving the pressing block on the sleeve to move downwards to press the upper surface of the annular part to be matched with the table surface of the clamping seat to limit the freedom degree of the annular part up and down, achieving complete locking of the annular part, and processing the part.
d: and after the machining is finished, the second knob is rotated anticlockwise, and the up-and-down locking of the annular part is released.
e: and rotating the first knob clockwise to release the horizontal locking of the annular part and take out the annular part.
Example two:
fig. 7 shows that the embodiment is different from the first embodiment in that the mounting of the cartridge 4 is horizontally rotated by 180 degrees with respect to the first embodiment.
The working principle is as follows:
a: before processing, the device is clamped on the working table surface of a drilling machine or a milling machine by using bolts.
b: the first knob of clockwise rotation drive rotation axis makes three cassette inwards move, continues clockwise rotation first knob when the cassette withstood the interior circle of loop type work piece, and the snap ring on the rotation axis blocks the roating seat and realizes the locking this moment, and simultaneously, the three cassette outside card of this device is in loop type work piece excircle department, and the loop type part is locked by the cassette.
c, rotating the second knob clockwise to enable the rotating rod to rotate downwards, further driving the pressing block on the sleeve to move downwards to press the upper surface of the annular part to be matched with the table surface of the clamping seat to limit the freedom degree of the annular part up and down, achieving complete locking of the annular part, and processing the part.
d: and after the machining is finished, the second knob is rotated anticlockwise, and the up-and-down locking of the annular part is released.
e: and rotating the first knob anticlockwise, releasing the horizontal locking of the annular part and taking out the annular part.
Example three:
the difference between this embodiment and the first or second embodiment is that the number of the clamping seats 4 is two, and the two clamping seats are symmetrically arranged and are respectively connected with two corners of the rotating seat 3 through the arc-shaped connecting rod 6.
Example four:
the difference between this embodiment and the first or second embodiment is that the number of the rotating bases 3 is one.
Example five:
the difference between this embodiment and the first or second embodiment is that the number of the rotating bases 3 is three.
Compared with the prior art, the fast self-centering chuck has stronger adaptability and better safety and stability, can play a role in improving the processing precision and the processing efficiency when a ring-shaped part is added, and can play a role in clamping aiming at the processing of a mechanical part with only one side (inner side or outer side) being in a ring shape.
It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these changes and substitutions belong to the protection scope of the present invention. The protection scope of this technical solution patent should be subject to the appended claims.
Claims (10)
1. The utility model provides a quick self-centering chuck, includes the base, its characterized in that: the base center is equipped with rotary mechanism, rotary mechanism includes rotation axis and roating seat, the rotation axis passes the roating seat and base threaded connection, be equipped with the cassette on the base, the cassette passes through slide rail sliding connection with the base, the roating seat with the cassette passes through the connecting rod and is connected, connecting rod one end is articulated with the roating seat, and the other end is articulated with the cassette.
2. The fast self-centering chuck according to claim 1, wherein: the bottom of the rotating shaft is provided with a first thread, the joint of the middle of the rotating shaft and the rotating seat is prismatic, the top of the rotating shaft is provided with a first knob, and a clamping ring is arranged between the first knob and the prismatic.
3. The fast self-centering chuck according to claim 1, wherein: the rotary seats are arranged up and down, and a partition is arranged below each rotary seat.
4. The fast self-centering chuck according to claim 3, wherein: the rotary seat is two.
5. The fast self-centering chuck according to claim 1, wherein: one side of the clamping seat is hinged with the connecting rod, the other side of the clamping seat is provided with a clamping groove, and a clamping jaw is arranged in the clamping groove.
6. The fast self-centering chuck according to claim 5, wherein: the jack catch includes the swing arm, the swing arm cover is equipped with the sleeve, the briquetting has set firmly on the sleeve, the swing arm bottom is equipped with the second screw thread, and the top is equipped with the second knob, swing arm and cassette threaded connection.
7. The fast self-centering chuck according to claim 2 or 6, characterized in that: and rotary holes are formed above the first knob and the second knob.
8. The fast self-centering chuck according to claim 7, wherein: the rotary hole is polygonal.
9. The fast self-centering chuck according to claim 1, wherein: the clamping seats are in multiple groups and are respectively connected with the rotating seat through connecting rods.
10. The fast self-centering chuck according to claim 1, wherein: the clamping seats are two groups or three groups and are respectively connected with the rotating seat through connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110784296.0A CN113399695A (en) | 2021-07-12 | 2021-07-12 | Quick self-centering chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110784296.0A CN113399695A (en) | 2021-07-12 | 2021-07-12 | Quick self-centering chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113399695A true CN113399695A (en) | 2021-09-17 |
Family
ID=77685999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110784296.0A Pending CN113399695A (en) | 2021-07-12 | 2021-07-12 | Quick self-centering chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113399695A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367685A (en) * | 2022-01-13 | 2022-04-19 | 山东小鸭精工机械有限公司 | Workpiece clamping device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US45359A (en) * | 1864-12-06 | Improvement in chucks for lathes | ||
| JP2004009151A (en) * | 2002-06-03 | 2004-01-15 | Smc Corp | Three-way opening and closing chuck |
| WO2008087668A1 (en) * | 2007-01-15 | 2008-07-24 | Hayes Lemmerz S.R.L. | Chuck and process for manufacturing a vehicle wheel rim employing said chuck |
| CN102672227A (en) * | 2011-03-16 | 2012-09-19 | 贺自清 | Self-centering power chuck for star-shaped connecting rod |
| CN205362727U (en) * | 2015-12-18 | 2016-07-06 | 浙江万丰科技开发股份有限公司 | Large -scale three -jaw chuck rotary fixture |
| CN108673204A (en) * | 2018-05-14 | 2018-10-19 | 嘉善昆腾机电设备有限公司 | A kind of metal product clamping device |
| US10610989B1 (en) * | 2018-12-19 | 2020-04-07 | Top-One Machinery Co., Ltd. | Rim drilling and milling machine |
| CN211248386U (en) * | 2019-12-11 | 2020-08-14 | 成都工贸职业技术学院 | Auxiliary clamp for machining chuck |
| CN213470362U (en) * | 2020-10-20 | 2021-06-18 | 北京北方车辆集团有限公司 | Frame combination processing intelligent clamp |
-
2021
- 2021-07-12 CN CN202110784296.0A patent/CN113399695A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US45359A (en) * | 1864-12-06 | Improvement in chucks for lathes | ||
| JP2004009151A (en) * | 2002-06-03 | 2004-01-15 | Smc Corp | Three-way opening and closing chuck |
| WO2008087668A1 (en) * | 2007-01-15 | 2008-07-24 | Hayes Lemmerz S.R.L. | Chuck and process for manufacturing a vehicle wheel rim employing said chuck |
| CN102672227A (en) * | 2011-03-16 | 2012-09-19 | 贺自清 | Self-centering power chuck for star-shaped connecting rod |
| CN205362727U (en) * | 2015-12-18 | 2016-07-06 | 浙江万丰科技开发股份有限公司 | Large -scale three -jaw chuck rotary fixture |
| CN108673204A (en) * | 2018-05-14 | 2018-10-19 | 嘉善昆腾机电设备有限公司 | A kind of metal product clamping device |
| US10610989B1 (en) * | 2018-12-19 | 2020-04-07 | Top-One Machinery Co., Ltd. | Rim drilling and milling machine |
| CN211248386U (en) * | 2019-12-11 | 2020-08-14 | 成都工贸职业技术学院 | Auxiliary clamp for machining chuck |
| CN213470362U (en) * | 2020-10-20 | 2021-06-18 | 北京北方车辆集团有限公司 | Frame combination processing intelligent clamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367685A (en) * | 2022-01-13 | 2022-04-19 | 山东小鸭精工机械有限公司 | Workpiece clamping device |
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