CN114472948A - Chuck capable of realizing high concentricity by multiple combinations - Google Patents
Chuck capable of realizing high concentricity by multiple combinations Download PDFInfo
- Publication number
- CN114472948A CN114472948A CN202210079973.3A CN202210079973A CN114472948A CN 114472948 A CN114472948 A CN 114472948A CN 202210079973 A CN202210079973 A CN 202210079973A CN 114472948 A CN114472948 A CN 114472948A
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- China
- Prior art keywords
- shaft
- mounting
- sleeve
- disc
- positioning
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Classifications
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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
-
- 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
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a chuck for realizing high concentricity by multiple combinations, which is characterized in that: the top of the disc body is provided with an installation disc, the bottom of the installation disc is connected with an installation sleeve, the bottom of the disc body is provided with a main shaft connection disc, the main shaft connection disc is internally provided with a positioning disc, the positioning disc is internally provided with a positioning shaft, the bottom of the positioning shaft is connected with an installation shaft, the installation shaft is provided with a pull rod, the periphery of the top of the positioning shaft is connected with a plurality of inclined blocks, the top of the positioning shaft is provided with a shaft sleeve, the shaft sleeve is connected with a connection shaft, the top of the pull rod is connected with a mandrel, the mandrel is connected with a centering sleeve, the top of the centering sleeve is provided with a cover plate, the periphery of the top of the centering sleeve is provided with a plurality of sliding grooves, the sliding grooves are internally provided with pressing blocks, the installation disc is provided with a plurality of installation grooves on the periphery of the centering sleeve, the joint bearings are installed in the installation grooves, the clamping shafts are installed on one side of the tops of the clamping shafts, one side of the bottoms of the clamping shafts are provided with matched inclined planes, and a positioning pin is arranged in the pin groove.
Description
Technical Field
The invention belongs to the technical field of chucks, and particularly relates to a chuck capable of realizing high concentricity by multiple combinations.
Background
Chucks are mechanical devices used to clamp workpieces on machine tools. The machine tool accessory clamps and positions a workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body. The chuck generally comprises a chuck body, movable jaws and a jaw driving mechanism 3, and is connected with the end part of a main shaft of a machine tool directly or through a flange plate. The chuck is usually installed and used on lathe, cylindrical grinder and internal grinding machine, also can cooperate with various indexing means for on milling machine and the drilling machine, but the current internal chuck because the restriction of clamping technique and structure, when processing axle class part, needs the secondary clamping of turning around, consequently influences the machining precision, especially concentric precision, leads to the part of processing out to produce the error easily to lead to the part to scrap.
Disclosure of Invention
In view of the problems raised by the above background art, the present invention is directed to: aims to provide a chuck which realizes high concentricity by multiple combinations.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a chuck that high concentricity is realized to multiple combination which characterized in that: the mounting disc is installed at the top of the disc body, an installation sleeve is connected to the bottom of the mounting disc, a main shaft connection disc is installed at the bottom of the disc body, a positioning disc is installed in the main shaft connection disc, a positioning shaft is installed in the positioning disc, an installation shaft is connected to the bottom of the positioning shaft, a pull rod is installed in the installation shaft, a plurality of inclined blocks are evenly arranged on the positioning shaft in a triangular mode, a shaft sleeve is installed at the top of the positioning shaft, the installation sleeve is installed in the shaft sleeve, a connecting shaft is connected to the bottom of the shaft sleeve and installed on the pull rod, the top of the pull rod is installed in the installation sleeve, a mandrel is connected to the top of the pull rod, the mandrel is connected with a centering sleeve, the centering sleeve is fixedly installed at the top of the mounting disc, a cover plate is installed at the top of the centering sleeve, and a plurality of sliding grooves are formed in the periphery of the top of the centering sleeve, a plurality of the even arrangement of spout is sheathe in centering, install the briquetting in the spout, the inboard of briquetting is equipped with the inclined plane, the dabber is equipped with the assorted conical surface corresponding inclined plane department, the mounting disc is equipped with a plurality of mounting grooves at centering sleeve's border, and is a plurality of the mounting groove is triangle-shaped even arranging on the mounting disc, install joint bearing in the mounting groove, the joint bearing top is connected with the gland, gland fixed mounting is on the mounting disc, install the chucking axle in the joint bearing, top one side-mounting jack catch of chucking axle, chucking axle bottom one side is equipped with the assorted inclined plane corresponding sloping in sloping department, the chucking axle is equipped with the cotter way in inclined plane department, the locating pin is installed to the cotter way.
Further inject, chucking shaft top one side is equipped with the breach groove, the installation jack catch passes through screw locking and installs in the breach groove. The structural design makes the installation more fixed.
Further inject, chucking shaft bottom one side is equipped with the inner groovy, install positioning spring in the inner groovy, positioning spring's free end is connected with the reference column, the location end extrusion of reference column is on the inner wall of disk body. The structural design can enable the positioning pin to tightly cling to the inclined surface of the inclined block.
Further inject, one side of chucking axle is equipped with the cooperation groove, the axle sleeve is equipped with the cooperation piece in corresponding cooperation groove department, the cooperation piece is installed in the cooperation groove. Such structural design is convenient for drive chucking axle and removes.
Further inject, the threaded rod is installed at the pull rod top, the pull rod sets up with the threaded rod for integrated into one piece structure, the dabber bottom is equipped with the internal thread groove in the threaded rod department that corresponds, the pull rod passes through threaded rod and dabber locking connection. The structure design makes the connection convenient and the connection fixed.
Further inject, the briquetting is equipped with the jump ring mounting groove, install the jump ring circle in the jump ring mounting groove. Such structural design plays the effect that resets fast to the briquetting.
Further inject, the main shaft connection pad is equipped with first seal groove with the disk body contact surface, install first sealing washer in the first seal groove, the top of disk body is equipped with the second seal groove, install the second sealing washer in the second seal groove. Such a structural design provides a sealing effect.
Further limited, the top of the shaft sleeve is provided with a positioning pad, and the positioning pad is arranged at the bottom of the mounting disc. Such structural design is convenient to install.
Further inject, the connecting axle bottom is connected with the spring, the free end of spring is installed in the upside of installation axle. The structural design improves the reset effect.
Further inject, the mounting disc sets up for the integrated into one piece structure with the installation cover. The structural design is convenient for production and processing.
The invention has the beneficial effects that: the invention has three combined actions, namely, the inner pressing block tightly supports the workpiece, the outer clamping jaw does reciprocating motion in the axial direction and does rotary motion through the joint bearing, and a stroke is formed in the radial direction to clamp the workpiece, so that the shaft workpiece can be completely machined by one-time clamping, the concentricity is high, and the machining precision is ensured.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of a chuck with multiple combinations for achieving high concentricity according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a chuck with multiple combinations for achieving high concentricity according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an internal structure of a chuck with multiple combinations for achieving high concentricity according to an embodiment of the present invention;
the main element symbols are as follows:
the clamping device comprises a disc body 1, a mounting disc 2, a mounting sleeve 3, a spindle connecting disc 4, a positioning disc 5, a positioning shaft 6, an inclined block 601, a mounting shaft 7, a pull rod 8, a shaft sleeve 9, a connecting shaft 10, a mandrel 11, a centering sleeve 12, a cover plate 13, a sliding groove 14, a pressing block 15, a joint bearing 16, a pressing cover 17, a clamping shaft 18, a clamping claw 19, a positioning pin 20, an inner groove 21, a positioning spring 22, a positioning column 23, a matching block 24, a threaded rod 25, a clamping spring mounting groove 26, a first sealing groove 27, a second sealing groove 28, a positioning pad 29 and a spring 30.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1-3, the chuck with multiple combinations for realizing high concentricity of the invention comprises a mounting plate 2 mounted on the top of a plate body 1, a mounting sleeve 3 connected to the bottom of the mounting plate 2, a main shaft connecting plate 4 mounted on the bottom of the plate body 1, a positioning plate 5 mounted in the main shaft connecting plate 4, a positioning shaft 6 mounted in the positioning plate 5, a mounting shaft 7 connected to the bottom of the positioning shaft 6, a pull rod 8 mounted in the mounting shaft 7, a plurality of inclined blocks 601 uniformly arranged on the positioning shaft 6 in a triangular shape on the periphery of the top of the positioning shaft 6, a shaft sleeve 9 mounted on the top of the positioning shaft 6, a mounting sleeve 3 mounted in the shaft sleeve 9, a connecting shaft 10 connected to the bottom of the shaft sleeve 9, the connecting shaft 10 mounted on the pull rod 8, the top of the pull rod 8 mounted in the mounting sleeve 3, a mandrel 11 connected to the top of the pull rod 8, a centering sleeve 12 connected to the mandrel 11, and a centering sleeve 12 fixedly mounted on the top of the mounting plate 2, the apron 13 is installed at centering sleeve 12 top, centering sleeve 12 top border is equipped with a plurality of spouts 14, a plurality of spouts 14 even arrange on centering sleeve 12, install briquetting 15 in the spout 14, the inboard of briquetting 15 is equipped with the inclined plane, dabber 11 is equipped with the assorted conical surface in corresponding inclined plane department, mounting disc 2 is equipped with a plurality of mounting grooves in centering sleeve 12's border, a plurality of mounting grooves are triangle-shaped even arranging on mounting disc 2, install joint bearing 16 in the mounting groove, joint bearing 16 top is connected with gland 17, gland 17 fixed mounting is on mounting disc 2, install chucking axle 18 in the joint bearing 16, top one side installation jack catch 19 of chucking axle 18, chucking axle 18 bottom one side is equipped with the assorted inclined plane in corresponding sloping block 601 department, chucking axle 18 is equipped with the cotter way in inclined plane department, the locating pin 20 is installed to the cotter way.
In the embodiment, when the device is used, the main shaft connecting disc 4 is firstly installed on a high-speed precision machine tool, the pull rod 8 is connected with a first power end of the high-speed precision machine tool, the installation shaft 7 is connected with a second power end of the high-speed precision machine tool, then a workpiece to be processed is placed on the centering sleeve 12, the control pull rod 8 is driven by the first power end, the pull rod 8 moves downwards towards the mandrel 11, so that the mandrel 11 moves downwards, when the mandrel 11 moves downwards, the conical surface of the mandrel 11 is attached to the inclined surface of the pressing block 15, so that the mandrel 11 pushes the inclined surface of the pressing block 15 through the downward movement of the conical surface, the pressing block 15 slides out from the chute 14, the inner ring of the workpiece is clamped and fixed, then the second power end is controlled to start, so that the second power end pushes the installation shaft 7, the installation shaft 7 pushes the positioning shaft 6 upwards, and the positioning shaft 6 drives the inclined block 601 to move upwards, the positioning pin 20 at the bottom of the clamping shaft 18 moves along the inclined plane of the inclined block 601, so that the clamping shaft 18 rotates under the action of the knuckle bearing 16, and a stroke is formed in the radial direction, so that the clamping jaw 19 clamps the workpiece, and the workpiece is clamped and fixed.
Preferably, one side of the top of the clamping shaft 18 is provided with a notch groove, and the mounting clamping jaw 19 is mounted in the notch groove through screw locking. The structural design makes the installation more fixed. In fact, other mounting configurations of the mounting jaws 19 are also contemplated, as the case may be.
Preferably, one side of the bottom of the clamping shaft 18 is provided with an inner groove 21, a positioning spring 22 is installed in the inner groove 21, the free end of the positioning spring 22 is connected with a positioning column 23, and the positioning end of the positioning column 23 is extruded on the inner wall of the tray body 1. The structure design can make the positioning pin 20 tightly stick to the inclined surface of the inclined block 601. In fact, other configurations of the positioning posts 23 may be used as the case may be.
Preferably, one side of the clamping shaft 18 is provided with a matching groove, the shaft sleeve 9 is provided with a matching block 24 at the position corresponding to the matching groove, and the matching block 24 is arranged in the matching groove. The structure design is convenient for driving the clamping shaft 18 to move. In fact, other matching configurations of the sleeve 9 and the clamping shaft 18 may be used, as the case may be.
Preferably, the top of the pull rod 8 is provided with a threaded rod 25, the pull rod 8 and the threaded rod 25 are arranged in an integrated structure, the bottom of the mandrel 11 is provided with an inner thread groove corresponding to the threaded rod 25, and the pull rod 8 is in locking connection with the mandrel 11 through the threaded rod 25. The structure design makes the connection convenient and the connection fixed. In fact, other connecting structure shapes of the pull rod 8 and the mandrel 11 can be considered according to specific situations.
Preferably, the pressing block 15 is provided with a clamp spring installation groove 26, and a clamp spring coil is installed in the clamp spring installation groove 26. The structure design has the effect of quick resetting of the pressing block 15. In fact, other shapes of the return structure of the pressure piece 15 may be used, as the case may be.
Preferably, a first sealing groove 27 is formed in the contact surface of the spindle connecting disc 4 and the disc body 1, a first sealing ring is installed in the first sealing groove 27, a second sealing groove 28 is formed in the top of the disc body 1, and a second sealing ring is installed in the second sealing groove 28. Such a structural design provides a sealing effect. In fact, other seal configurations may be used as the case may be.
Preferably, the top of the sleeve 9 is provided with a positioning pad 29, and the positioning pad 29 is arranged at the bottom of the mounting plate 2. Such structural design is convenient to install. In fact, other configurations of the location pad 29 are contemplated as appropriate.
Preferably, a spring 30 is connected to the bottom of the connecting shaft 10, and the free end of the spring 30 is mounted on the upper side of the mounting shaft 7. The structural design improves the reset effect. In fact, other configurations of the spring 30 are contemplated as appropriate.
Preferably, the mounting plate 2 and the mounting sleeve 3 are arranged in an integrally formed structure. The structural design is convenient for production and processing. In fact, other shapes of the mounting plate 2 and the mounting sleeve 3 may be used depending on the particular circumstances.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a chuck that high concentricity is realized to multiple combination which characterized in that: comprises a tray body (1), a mounting tray (2) is installed at the top of the tray body (1), a mounting sleeve (3) is connected to the bottom of the mounting tray (2), a main shaft connecting disc (4) is installed at the bottom of the tray body (1), a positioning disc (5) is installed in the main shaft connecting disc (4), a positioning shaft (6) is installed in the positioning disc (5), an installation shaft (7) is connected to the bottom of the positioning shaft (6), a pull rod (8) is installed in the installation shaft (7), a plurality of inclined blocks (601) are circumferentially connected to the top of the positioning shaft (6), the inclined blocks (601) are uniformly arranged on the positioning shaft (6) in a triangular manner, a shaft sleeve (9) is installed at the top of the positioning shaft (6), the mounting sleeve (3) is installed in the shaft sleeve (9), a connecting shaft (10) is connected to the bottom of the shaft sleeve (9), and the connecting shaft (10) is installed on the pull rod (8), the top of pull rod (8) is installed in installing sleeve (3), pull rod (8) top is connected with dabber (11), dabber (11) are connected with centering sleeve (12), centering sleeve (12) fixed mounting is at the top of mounting disc (2), apron (13) are installed at centering sleeve (12) top, centering sleeve (12) top border is equipped with a plurality of spouts (14), and is a plurality of spout (14) are even arranges on centering sleeve (12), install briquetting (15) in spout (14), the inboard of briquetting (15) is equipped with the inclined plane, dabber (11) are equipped with the assorted conical surface in corresponding inclined plane department, mounting disc (2) are equipped with a plurality of mounting grooves in the border of centering sleeve (12), and are a plurality of the mounting groove is the even arrangement of triangle-shaped on mounting disc (2), install joint bearing (16) in the mounting groove, joint bearing (16) top is connected with gland (17), gland (17) fixed mounting is on mounting disc (2), install chucking axle (18) in joint bearing (16), top one side installation jack catch (19) of chucking axle (18), chucking axle (18) bottom one side is equipped with the assorted inclined plane in corresponding sloping block (601) department, chucking axle (18) are equipped with the cotter way in inclined plane department, locating pin (20) are installed to the cotter way.
2. The chuck for achieving high concentricity in combination of a plurality of types as claimed in claim 1, wherein: one side of the top of the clamping shaft (18) is provided with a notch groove, and the mounting clamping jaw (19) is mounted in the notch groove through screw locking.
3. The chuck for achieving high concentricity in combination of a plurality of types as claimed in claim 2, wherein: chucking axle (18) bottom one side is equipped with inner groovy (21), install positioning spring (22) in inner groovy (21), the free end of positioning spring (22) is connected with reference column (23), the location end extrusion of reference column (23) is on the inner wall of disk body (1).
4. The chuck for achieving high concentricity in combination of a plurality of types as claimed in claim 3, wherein: one side of the clamping shaft (18) is provided with a matching groove, the shaft sleeve (9) is provided with a matching block (24) at the position corresponding to the matching groove, and the matching block (24) is installed in the matching groove.
5. The chuck for achieving high concentricity in combination of a plurality of types as claimed in claim 4, wherein: threaded rod (25) are installed at pull rod (8) top, pull rod (8) and threaded rod (25) set up for the integrated into one piece structure, dabber (11) bottom is equipped with the internal thread groove corresponding threaded rod (25) department, pull rod (8) are through threaded rod (25) and dabber (11) locking connection.
6. The chuck for achieving high concentricity in combination of a plurality of types as claimed in claim 5, wherein: the pressing block (15) is provided with a clamp spring mounting groove (26), and a clamp spring ring is mounted in the clamp spring mounting groove (26).
7. The chuck for achieving high concentricity in combination of a plurality of types as claimed in claim 6, wherein: the main shaft connecting disc (4) is equipped with first seal groove (27) with disk body (1) contact surface, install first sealing washer in first seal groove (27), the top of disk body (1) is equipped with second seal groove (28), install the second sealing washer in second seal groove (28).
8. The chuck for achieving high concentricity in combination of a plurality of types as claimed in claim 7, wherein: locating pad (29) is installed at axle sleeve (9) top, the bottom at mounting disc (2) is installed in locating pad (29).
9. The chuck for achieving high concentricity in combination of a plurality of types as claimed in claim 8, wherein: the bottom of the connecting shaft (10) is connected with a spring (30), and the free end of the spring (30) is installed on the upper side of the mounting shaft (7).
10. The chuck for achieving high concentricity in combination of a plurality of types as claimed in claim 9, wherein: the mounting disc (2) and the mounting sleeve (3) are arranged in an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210079973.3A CN114472948B (en) | 2022-01-24 | 2022-01-24 | Chuck capable of achieving high concentricity through various combinations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210079973.3A CN114472948B (en) | 2022-01-24 | 2022-01-24 | Chuck capable of achieving high concentricity through various combinations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114472948A true CN114472948A (en) | 2022-05-13 |
| CN114472948B CN114472948B (en) | 2023-08-22 |
Family
ID=81473958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210079973.3A Active CN114472948B (en) | 2022-01-24 | 2022-01-24 | Chuck capable of achieving high concentricity through various combinations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114472948B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637620A (en) * | 1984-09-04 | 1987-01-20 | Graham Merton J | Two stage chuck |
| CN201799635U (en) * | 2010-02-10 | 2011-04-20 | 长沙机床有限责任公司 | Jig of machine tool for internally centring and compacting at end surfaces |
| CN201841284U (en) * | 2010-08-17 | 2011-05-25 | 山东汇金股份有限公司 | High-precision three-inclined-column back-pull chuck |
| CN107617899A (en) * | 2016-07-15 | 2018-01-23 | 成都源云机械有限公司 | Double acting floating clamping device |
| CN110883589A (en) * | 2019-12-25 | 2020-03-17 | 北京北方车辆集团有限公司 | Intelligent fixture for drilling and milling of main frame |
| CN210231567U (en) * | 2019-07-08 | 2020-04-03 | 慈溪市奥菱机床附件有限公司 | Compensation type power chuck |
| CN111136291A (en) * | 2020-01-16 | 2020-05-12 | 杭州泽正机械有限公司 | Outer double-layered tight composite power chuck of tight of internal stay |
| CN111266615A (en) * | 2018-12-04 | 2020-06-12 | 航天新长征大道科技有限公司 | Clamp |
| CN211192061U (en) * | 2019-11-20 | 2020-08-07 | 勤威(天津)工业有限公司 | Thin-wall chuck for machining bearing support in automobile gearbox |
| CN211304833U (en) * | 2019-08-15 | 2020-08-21 | 呼和浩特众环工贸股份有限公司 | Accurate adjustable self-centering chuck |
-
2022
- 2022-01-24 CN CN202210079973.3A patent/CN114472948B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637620A (en) * | 1984-09-04 | 1987-01-20 | Graham Merton J | Two stage chuck |
| CN201799635U (en) * | 2010-02-10 | 2011-04-20 | 长沙机床有限责任公司 | Jig of machine tool for internally centring and compacting at end surfaces |
| CN201841284U (en) * | 2010-08-17 | 2011-05-25 | 山东汇金股份有限公司 | High-precision three-inclined-column back-pull chuck |
| CN107617899A (en) * | 2016-07-15 | 2018-01-23 | 成都源云机械有限公司 | Double acting floating clamping device |
| CN111266615A (en) * | 2018-12-04 | 2020-06-12 | 航天新长征大道科技有限公司 | Clamp |
| CN210231567U (en) * | 2019-07-08 | 2020-04-03 | 慈溪市奥菱机床附件有限公司 | Compensation type power chuck |
| CN211304833U (en) * | 2019-08-15 | 2020-08-21 | 呼和浩特众环工贸股份有限公司 | Accurate adjustable self-centering chuck |
| CN211192061U (en) * | 2019-11-20 | 2020-08-07 | 勤威(天津)工业有限公司 | Thin-wall chuck for machining bearing support in automobile gearbox |
| CN110883589A (en) * | 2019-12-25 | 2020-03-17 | 北京北方车辆集团有限公司 | Intelligent fixture for drilling and milling of main frame |
| CN111136291A (en) * | 2020-01-16 | 2020-05-12 | 杭州泽正机械有限公司 | Outer double-layered tight composite power chuck of tight of internal stay |
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| Publication number | Publication date |
|---|---|
| CN114472948B (en) | 2023-08-22 |
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