CN204366082U - A kind of safe lathe chuck - Google Patents
A kind of safe lathe chuck Download PDFInfo
- Publication number
- CN204366082U CN204366082U CN201420811193.4U CN201420811193U CN204366082U CN 204366082 U CN204366082 U CN 204366082U CN 201420811193 U CN201420811193 U CN 201420811193U CN 204366082 U CN204366082 U CN 204366082U
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- CN
- China
- Prior art keywords
- chuck
- claw
- installed part
- sleeve
- installing hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of safe lathe chuck, comprise claw, chuck cover and sleeve, described chuck cover is fixed with mounting groove, screw and the first installing hole, described installed part has reserved part at bearing surface, described sleeve is fixed with the fixing hole running through its surface, this safe lathe chuck, when roughing, use pre-loading screw additional in claw, after claw clamping workpiece, reverse pre-loading screw again, pre-loading screw is made to embed surface of the work, further fixation workpiece, anti-sliding stop, structure is simple, easy to use, effectively prevent dropping and sliding of workpiece, the penetrating mounting holes of the first installing hole and the second installing hole composition, object can effectively be stepped up in this chuck, allow the claw working stability of chuck, stepped up further by pre-loading screw again, effectively can prevent workpiece generation play, improve machining accuracy, there is the problem solving the large and distortion of processing work coaxiality deviation, and it is convenient and simple to add clamping of workpieces by sleeve.
Description
Technical field
The utility model relates to machine tool component technical field, is specially a kind of safe lathe chuck.
Background technology
Chuck jaw is the composition annex in lathe grinding, its major function be to the clamping of workpiece with loosen, in current chuck jaw structure, mainly equal to size, the workpiece of specification standards cuts, lathe is generally divided into scroll chuck and chuck by chuck, chuck is from multiple directions clamping work pieces simultaneously, rotate and external cutting is carried out to workpiece, when the roughing of turning, because workpiece is blank, surface of the work is without any cure process, common workpiece mostly is ironcasting, ironcasting gets rusty easily without being under lock and key, and iron ash is also a lot, therefore, after clamping, rotating chuck will note whether clamping completely, whether there is slip.
Lathe operationally, workpiece is fixedly mounted in installing hole, rotating chuck is by tool feeding, machining is carried out to workpiece, when the workpiece that processing length is longer, due to the gravity of workpiece self, workpiece easily upwarps near chuck one end, and the footpath of installing hole is deeply certain, and the contact surface of clamping with three-jaw chuck workpiece is fixed, the holding power of scroll chuck to workpiece is certain, contact area is fixed, and the frictional force of workpiece and scroll chuck is certain, makes workpiece easily play occur, cause processed workpiece coaxiality deviation large, even cause workpiece distortion.
Utility model content
The purpose of this utility model is to provide a kind of safe lathe chuck, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of safe lathe chuck, comprise claw, chuck cover and sleeve, described chuck cover is fixed with mounting groove, screw and the first installing hole, described first installing hole runs through chuck cover surface, described claw is installed in chuck cover by mounting groove, bottom described claw, car has the second screw thread, described sleeve is fixed with the installation sleeve inner chamber running through two end surfaces, also comprise installed part, described installed part top surface is fixed with screw, described installed part is set with bearing, described installed part has reserved part at bearing surface, described chuck is arranged with inner chamber, installed part reserved part inserts chuck cover inner chamber, pretension is coordinated to install by bolt and screw, described installed part is fixed with the second installing hole, described sleeve is sleeved on bearing by installation sleeve inner chamber, described sleeve top surface fixes car the first screw thread, described sleeve is fixed with the fixing hole running through its surface.
Preferably, described first screw thread and the second threaded engagement touch, and closely cooperate, and described first screw thread and the second screw thread are the equal rectangular thread of tooth pitch.
Preferably, described claw has three, and is Triangle-Profile, and described claw screw between any two is also Triangle-Profile.
Preferably, described jaw surface is stepped, and every stepped surfaces is equipped with non-skid thread, is provided with I-shaped mounting groove, closely cooperates install with mounting groove bottom described claw, and described claw is also provided with internal thread perforation, and its inner chamber is provided with pre-loading screw.
Preferably, a bearing is respectively installed at described installed part two ends, and described installed part and bearing touch place are fixed with keyway, and described keyway inside fitting piece surface is all welded with resistance cover.
Preferably, described first installing hole and and the second installing hole internal diameter equal and opposite in direction, and communicate, described second installing hole runs through surface, installed part both ends.
Preferably, described fixing hole is no less than three, and each fixing hole inner chamber is equipped with internal thread, and is all provided with pretension bolt in each fixing hole, pretension bolt can with installed part surface contact.
Preferably, described sleeve and bearing are interference fit.
Compared with prior art, the beneficial effects of the utility model are: this safe lathe chuck, when roughing, use pre-loading screw additional in claw, after claw clamping workpiece, reverse pre-loading screw again, make pre-loading screw embed surface of the work, further fixation workpiece, anti-sliding stop, structure is simple, easy to use, effectively prevents dropping and sliding of workpiece.
The penetrating mounting holes that this safe lathe chuck is made up of the first installing hole and the second installing hole, object can effectively be stepped up in this chuck, allow the claw working stability of chuck, stepped up further by pre-loading screw again, effectively can prevent workpiece generation play, improve machining accuracy, have the problem solving the large and distortion of processing work coaxiality deviation, and it is convenient and simple to add clamping of workpieces by sleeve.
Accompanying drawing explanation
Fig. 1 is the utility model structure installment schematic diagram;
Fig. 2 is the utility model installed part and sleeve schematic diagram;
Fig. 3 is the utility model claw structure schematic diagram;
Fig. 4 is the utility model installed part structural representation;
Fig. 5 is the utility model tube-in-tube structure schematic diagram;
Fig. 6 is the utility model chuck nested structure schematic diagram.
In figure: 1 claw, 2 chuck covers, 3 screws, 4 first installing holes, 5 sleeves, 6 mounting grooves, 7 second installing holes, 8 bearings, 9 first screw threads, 10 fixing holes, 11 installation sleeve inner chambers, 12 installed parts, 13 keyways, 14 resistance covers, 15 second screw threads.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-6, the utility model provides a kind of technical scheme: a kind of safe lathe chuck, comprise claw 1, chuck cover 2 and sleeve 5, chuck cover 2 is fixed with mounting groove 6, screw 3 and the first installing hole 4, claw 1 is three, and be Triangle-Profile, claw 1 screw 3 between any two is also Triangle-Profile, claw 1 surface texture is stepped, and every stepped surfaces is equipped with non-skid thread, the anti-sliding stop when stepping up object, stepped for installing tubular object additional, according to tubular diameter size, select different ladders, I-shaped mounting groove 6 is provided with bottom claw 1, and closely cooperate with mounting groove 6 and install, I-shaped mounting groove 6 can effectively lock claw 1, claw 1 is also provided with internal thread perforation, its inner chamber is provided with pre-loading screw, when claw 1 steps up object, the further clamping article of pre-loading screw can be screwed, first installing hole 4 runs through chuck cover 2 surface, claw 1 is installed in chuck cover 2 by mounting groove 6, fix car bottom claw 1 and have the second screw thread 15, sleeve 5 is fixed with the installation sleeve inner chamber 11 running through two end surfaces, also comprise installed part 12, installed part 12 top surface is fixed with screw 3, installed part 12 is set with bearing 8, a bearing 8 is respectively installed at installed part 12 two ends, installed part 12 and bearing 8 contact position are fixed with keyway 13, keyway 13 inside fitting piece 12 surface is all welded with resistance cover 14, installed part 12 has reserved part on bearing 8 surface, chuck cover 2 is provided with inner chamber, installed part 12 reserved part is inserted chuck and is overlapped 2 inner chambers, pretension is coordinated to install by bolt and screw 3, installed part 12 is fixed with the second installing hole 7, first installing hole 4 and and the second installing hole 7 internal diameter equal and opposite in direction, and communicate, the penetrating mounting holes be made up of the first installing hole and the second installing hole, object can effectively be stepped up in this chuck, allow the claw working stability of chuck, second installing hole 7 runs through surface, installed part 12 both ends, sleeve 5 is sleeved on bearing 8 by installation sleeve inner chamber 11, sleeve 5 and bearing 8 are interference fit, prevent from loosening, sleeve 5 top surface fixes car the first screw thread 9, first screw thread 9 and the second screw thread 15 contact, and closely cooperate, first screw thread 9 and the second screw thread 15 are the equal rectangular thread of tooth pitch, sleeve 5 is fixed with the fixing hole 10 running through its surface, described fixing hole 10 is no less than three, each fixing hole 10 inner chamber is equipped with internal thread, and all pretension bolt is installed in each fixing hole 10, pretension bolt can with installed part 12 surface contact.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (8)
1. a safe lathe chuck, comprise claw, chuck cover and sleeve, described chuck cover is fixed with mounting groove, screw and the first installing hole, described first installing hole runs through chuck cover surface, described claw is installed in chuck cover by mounting groove, bottom described claw, car has the second screw thread, described sleeve is fixed with the installation sleeve inner chamber running through two end surfaces, it is characterized in that: also comprise installed part, described installed part top surface is fixed with screw, described installed part is set with bearing, described installed part has reserved part at bearing surface, described chuck is arranged with inner chamber, installed part reserved part inserts chuck cover inner chamber, pretension is coordinated to install by bolt and screw, described installed part is fixed with the second installing hole, described sleeve is sleeved on bearing by installation sleeve inner chamber, described sleeve top surface fixes car the first screw thread, described sleeve is fixed with the fixing hole running through its surface.
2. the safe lathe chuck of one according to claim 1, is characterized in that: described first screw thread and the second threaded engagement touch, and closely cooperate, and described first screw thread and the second screw thread are the equal rectangular thread of tooth pitch.
3. the safe lathe chuck of one according to claim 1, is characterized in that: described claw has three, and is Triangle-Profile, and described claw screw between any two is also Triangle-Profile.
4. the safe lathe chuck of one according to claim 1, it is characterized in that: described jaw surface is stepped, and every stepped surfaces is equipped with non-skid thread, I-shaped mounting groove is provided with bottom described claw, closely cooperate with mounting groove and install, described claw is also provided with internal thread perforation, and its inner chamber is provided with pre-loading screw.
5. the safe lathe chuck of one according to claim 1, is characterized in that: a bearing is respectively installed at described installed part two ends, and described installed part and bearing touch place are fixed with keyway, and described keyway inside fitting piece surface is all welded with resistance cover.
6. the safe lathe chuck of one according to claim 1, is characterized in that: described first installing hole and and the second installing hole internal diameter equal and opposite in direction, and communicate, described second installing hole runs through surface, installed part both ends.
7. the safe lathe chuck of one according to claim 1, is characterized in that: described fixing hole is no less than three, each fixing hole inner chamber is equipped with internal thread, and is all provided with pretension bolt in each fixing hole, pretension bolt can with installed part surface contact.
8. the safe lathe chuck of one according to claim 1, is characterized in that: described sleeve and bearing are interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420811193.4U CN204366082U (en) | 2014-12-18 | 2014-12-18 | A kind of safe lathe chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420811193.4U CN204366082U (en) | 2014-12-18 | 2014-12-18 | A kind of safe lathe chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204366082U true CN204366082U (en) | 2015-06-03 |
Family
ID=53322331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420811193.4U Expired - Fee Related CN204366082U (en) | 2014-12-18 | 2014-12-18 | A kind of safe lathe chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204366082U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112036A (en) * | 2016-07-25 | 2016-11-16 | 杭州蕙勒智能科技有限公司 | A kind of turning attachment |
| CN109926840A (en) * | 2018-11-30 | 2019-06-25 | 江苏大洋精锻有限公司 | A kind of split type claw |
-
2014
- 2014-12-18 CN CN201420811193.4U patent/CN204366082U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112036A (en) * | 2016-07-25 | 2016-11-16 | 杭州蕙勒智能科技有限公司 | A kind of turning attachment |
| CN106112036B (en) * | 2016-07-25 | 2018-04-10 | 杭州蕙勒智能科技有限公司 | A kind of turning attachment |
| CN109926840A (en) * | 2018-11-30 | 2019-06-25 | 江苏大洋精锻有限公司 | A kind of split type claw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |