CN87207977U - Three-jaw chuck - Google Patents
Three-jaw chuck Download PDFInfo
- Publication number
- CN87207977U CN87207977U CN 87207977 CN87207977U CN87207977U CN 87207977 U CN87207977 U CN 87207977U CN 87207977 CN87207977 CN 87207977 CN 87207977 U CN87207977 U CN 87207977U CN 87207977 U CN87207977 U CN 87207977U
- Authority
- CN
- China
- Prior art keywords
- claw
- sealing strip
- chuck
- spiral plate
- elastic sealing
- 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.)
- Ceased
Links
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 210000000078 claw Anatomy 0.000 claims abstract description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052742 iron Inorganic materials 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Landscapes
- Gripping On Spindles (AREA)
Abstract
The utility model discloses an improved three-claw chuck. A sealing device composed of a spring check ring, a ring circlip, an elastic sealing sheet (or adding an end surface sealing sheet) is arranged at the thread engagement point of a claw and the spiral plate of a casing to prevent iron filings and other sundries from entering so as to prolong the service life of the chuck and enhance the processing accuracy. In addition, auxiliary claws are provided by matching with a positioning plate and an inverse claw to expand the use function of the chuck, and therefore, the chuck is suitable for processing the workpieces whose both end surfaces have parallelism requirement, small excircle or thin thickness with specific requirements, and the superiority of the three-jaw chuck is displayed better.
Description
The utility model relates to the clamping device that uses on a kind of lathe, particularly a kind of scroll chuck.
The lathe that carries out metal cutting processing generally uses scroll chuck to come clamping work pieces.The scroll chuck that uses owing to do not have sealing device at claw and housing spiral plate engagement place, is therefore adding man-hour at present, and foreign material such as iron filings are easy to enter the screw-threaded engagement place.For example, car boring endoporus the time, stay iron filings in the chuck endoporus and under action of centrifugal force, easily radially enter above-mentioned engagement place along the chuck rotation; And for example, when the larger-diameter workpiece of processing, iron filings easily along entering above-mentioned engagement place with the parallel direction of chuck rotation, so all can cause claw not stretch freely, thereby influence the precision and the service life of whole chuck.In addition, the present scroll chuck that uses, the bearing-surface that does not have suitable supporting caught workpiece end face, and this is for the amount of deflection of control caught workpiece, bear the top power and the cutting force of tailstock, the workpiece (as both ends of the surface depth of parallelism requirement being arranged, little cylindrical, or the workpiece of thinner thickness) that is processed with specific (special) requirements is crucial.Though in putting into practice production, can utilize the internal taper hole of machine tool chief axis or the end face of chuck housing to set up bearing-surface, when utilizing the lathe internal taper hole that above-mentioned bearing-surface is set, exist workload than shortcoming big and the adjustment inconvenience; And the end face that utilizes the chuck housing exists the too big and not high problem of precision of noise when above-mentioned bearing-surface is set.
The purpose of this utility model provides a kind of improved scroll chuck, this chuck can prevent that foreign material such as iron filings from entering the screw-threaded engagement place of claw and spiral plate, the workpiece that is processed with specific (special) requirements and special shape be can be applicable to, thereby chuck service life and workpiece machining accuracy improved.
The purpose of this utility model realizes by the following method, the scroll chuck that uses on a kind of lathe, comprise a chuck housing, one spiral plate that flexibly connects with described chuck housing, the positive and negative claw that one cover can be threaded with described spiral plate respectively, in addition, removably fixing by check ring on the inner ring of the described claw of the corresponding installation of described chuck housing, annular spring and seal are formed, in order to seal the sealing device of described claw and described spiral plate engagement place, in addition, also comprise with described anti-claw pairing and using, auxiliary claw with interior step and the positive and negative pawl of little thickness, and be installed in movably on the described anti-claw side by screw, make the location-plate of described auxiliary claw with respect to the correct location of described anti-claw.
The utility model has the advantages that provides a kind of improved scroll chuck, uses this chuck can prevent that foreign material such as iron filings from entering the engagement place of claw and spiral plate, thereby improves the service life of chuck and the machining accuracy of workpiece; Can be applicable to the workpiece that is processed with specific (special) requirements and special shape in addition, particularly when producing in enormous quantities, more can demonstrate its advantage.
Below in conjunction with accompanying drawing an embodiment of the present utility model is done detailed explanation:
Fig. 1 is the partial longitudinal section of the utility model scroll chuck one embodiment;
Fig. 2 is that location-plate and the installation of anti-claw concern schematic diagram;
Fig. 3 is that auxiliary claw and another installation of anti-claw concern profilograph;
Fig. 4 is the partial longitudinal section of another embodiment of the utility model scroll chuck;
Fig. 5 is that the A of Fig. 4 is to view.
Referring to Fig. 1, this is the partial longitudinal section of the utility model scroll chuck one embodiment.Inner ring 1 and outer ring 2 are that two on the same chuck housing are different partly, between described inner ring 1 and the described outer ring 2, also are to flexibly connect spiral plate 3 on the described chuck housing.Usually dispose a cover positive claw (three) or a cover anti-claw (three) on the scroll chuck, herein, anti-claw 4 is consulted Fig. 5 at the chute 5(of chuck housing) lining and described spiral plate 3 screw-threaded engagement.In order to prevent that iron filings in the chuck endoporus from radially entering described screw-threaded engagement place at action of centrifugal force lower edge chuck rotation, described inner ring 1 correspondence at described chuck housing is installed on the position of described anti-claw 4, by with a resiliently mounted check ring 6 of described inner ring 1 inner surface and an annular spring 7 that elastic sealing strip 8 is removably fixing.Owing on this scroll chuck, have three anti-claws 4 and described spiral plate 3 screw-threaded engagement, therefore have three screw-threaded engagement places, need corresponding three described elastic sealing strips 8.The width of described elastic sealing strip 8 is seen Fig. 5 with the chute 5(of described chuck housing) width equate, the free end of described elastic sealing strip 8 relies on self elastic force to be close to an end face of described anti-claw 4, thereby is sealing screw-threaded engagement place between described anti-claw 4 and the described spiral plate 3 by the sealing device that described check ring 6, described annular spring 7 and described elastic sealing strip 8 are formed.
Referring to Fig. 1 and Fig. 2, with the auxiliary claw 9 of described anti-claw 4 form fit on the composition surface by screw 10 and 11 and described anti-claw 4 fixed engagement, can correctly locate with respect to described anti-claw 4 for making described auxiliary claw 9, utilize two screws 12 of described anti-claw 4 sides, fix a L shaped location-plate 14 by two screws 13.One long slot bore 15 is arranged on the described location-plate 14, utilize it, can make described location-plate 14 fixing on the position different with respect to described anti-claw 4.When described auxiliary claw 9 was installed, fixing described location-plate 14 made its edge exceed the clamping working face of described anti-claw 4, is beneficial to the positioning and fixing of described auxiliary claw 9; When need not be described auxiliary claw 9, fixing described location-plate 14 makes its edge be lower than the clamping working face of described anti-claw 4, to guarantee the normal use of described anti-claw 4.
Step 16 in one is arranged on the described auxiliary claw 9 one end angles, also have an end angle to become the positive and negative pawl 17 of a little thickness.
Consult Fig. 3, described auxiliary claw 9 also has the function of oppositely installing with respect to described anti-claw 4, also be that described auxiliary claw 9 reverses 180 ° on the installation site of Fig. 1 and still has a structure with described anti-claw 4 form fit on the composition surface, thereby be mounted to the shape of Fig. 3.Certainly, correct positioning still needs to use location-plate 14.
Consult Fig. 4 and Fig. 5, when with the big workpiece of positive claw 18 folders, directly enter the screw-threaded engagement place along the direction parallel, on original described sealing device basis, an end sealing strip 19 is installed again with chuck housing rotation in order to prevent iron filings.The width of the width of described end sealing strip 19 and described elastic sealing strip 8 also is that the width of described chute 5 equates.Described end sealing strip 19 has a side of wave groove 20 and the free end of described elastic sealing strip 8 to be close to, and has both formed to be sealed and matched, and described end sealing strip 19 can not be moved freely easily.The convex shoulder 21 that the opposite side of described end sealing strip 19 and described chute are 5 li is close to.The lower end of described end sealing strip 19 has a sliver 22 to extend into slit between described positive claw 18 and the described spiral plate 3, also has a mounting groove 23 that is used for installing and adjusting described end sealing strip 19 positions in the upper end of described end sealing strip 19.
Method of operating of the present utility model is, as the installation form of Fig. 1, except general clamping needs, can utilize step 16 processing thinner thicknesses in described on the described auxiliary claw 9, and the workpiece that both ends of the surface have the depth of parallelism to require is as flange, packing ring etc.As will support the less workpiece of endoporus the time, can utilize installation form as described in Figure 3, utilize the positive and negative pawl 17 of described little thickness on the described auxiliary claw 9 to support the less workpiece of endoporus.
In the above-described embodiments, sealing device shown in Figure 1 also can be used to seal the screw-threaded engagement place of described positive claw 18 and described spiral plate 3, and certainly, the free end of elastic sealing strip 8 can be close to an end face of described positive claw 18 at this moment.Just become sealing device form shown in Figure 4 again if can not be close to that.
In the above-described embodiments, sealing device shown in Figure 4 also can be used to seal the screw-threaded engagement place of described anti-claw 4 and described spiral plate 3, certainly, all of described anti-claw 4 clamp the free end that working faces all are lower than described elastic sealing strip 8 at this moment, also are that an end face of described anti-claw 4 at this moment can't contact with the free end of described elastic sealing strip 8.
Identical label represents identical structure or parts in institute's drawings attached.
Claims (4)
1, the scroll chuck that uses on a kind of lathe, comprise a chuck housing, one spiral plate that flexibly connects with described chuck housing, the positive and negative claw that one cover can be threaded with described spiral plate respectively, it is characterized in that, on the corresponding inner ring that described claw is installed of described chuck housing removably fixing that form by check ring, annular spring and seal, in order to seal the sealing device of described claw and described spiral plate engagement place; Also comprise and described anti-claw pairing auxiliary claw that use, that have interior step and the positive and negative pawl of little thickness, and by screw be installed in movably on the described anti-claw side, make the location-plate of described auxiliary claw with respect to the correct location of described anti-claw.
2, scroll chuck according to claim 1, it is characterized in that, the seal of described sealing device is to be fixed on elastic sealing strip on the described chuck housing inner ring by check ring and annular spring, the width of described elastic sealing strip equates that with the chute width of described spiral plate engagement place the free end of described elastic sealing strip is close to an end face of described claw with described claw on the described chuck housing.
3, scroll chuck according to claim 2, it is characterized in that, the seal of described sealing device also comprises one between the end face of described elastic sealing strip and described claw, the free end of one side and described elastic sealing strip is close to, the convex shoulder in the chute of the described claw on opposite side and the described chuck housing and described spiral plate engagement place is close to, there is an end sealing strip that extends into the sliver in slit between described claw and the described spiral plate lower end, and the width of described end sealing strip equates with described chute width on the described chuck housing.
4, scroll chuck according to claim 3, it is characterized in that, described end sealing strip and the side that described elastic sealing strip free end is close to have the wave groove of the sealing location of matching with described elastic sealing strip free end, have a mounting groove in the upper end of described end sealing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87207977 CN87207977U (en) | 1987-05-11 | 1987-05-11 | Three-jaw chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87207977 CN87207977U (en) | 1987-05-11 | 1987-05-11 | Three-jaw chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87207977U true CN87207977U (en) | 1988-01-20 |
Family
ID=4823334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87207977 Ceased CN87207977U (en) | 1987-05-11 | 1987-05-11 | Three-jaw chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87207977U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923815A (en) * | 2015-06-23 | 2015-09-23 | 南京梅山冶金发展有限公司 | Device and method for improving clamping capacity of hydraulic chuck |
| CN107661992A (en) * | 2013-08-07 | 2018-02-06 | Smw-奥托布洛克紧固系统有限责任公司 | Chuck |
| US10681799B2 (en) | 2016-04-11 | 2020-06-09 | Hypertherm, Inc. | Plasma arc cutting system, including nozzles and other consumables, and related operational methods |
-
1987
- 1987-05-11 CN CN 87207977 patent/CN87207977U/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661992A (en) * | 2013-08-07 | 2018-02-06 | Smw-奥托布洛克紧固系统有限责任公司 | Chuck |
| CN107661992B (en) * | 2013-08-07 | 2019-06-28 | Smw-奥托布洛克紧固系统有限责任公司 | Chuck |
| CN104923815A (en) * | 2015-06-23 | 2015-09-23 | 南京梅山冶金发展有限公司 | Device and method for improving clamping capacity of hydraulic chuck |
| US10681799B2 (en) | 2016-04-11 | 2020-06-09 | Hypertherm, Inc. | Plasma arc cutting system, including nozzles and other consumables, and related operational methods |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN87207977U (en) | Three-jaw chuck | |
| CN211192897U (en) | AC turntable for five-axis machining center | |
| CN203209732U (en) | Locating and clamping structure for machining recoil spring pocket | |
| CN112658709A (en) | Processing tool and processing method for circular arc structure of part | |
| CN212735211U (en) | Sealing structure of machine tool | |
| CN214921748U (en) | Positioning device for valve welding | |
| CN2031323U (en) | Boring tool for conical bole | |
| CN212420485U (en) | Adjustable auxiliary supporting clamp structure for part web plate processing | |
| CN210755618U (en) | Installation structure of grating ruler of workbench of dry cutting gear hobbing machine | |
| CN211728800U (en) | Grinding machine grinding wheel mounting structure convenient to mount | |
| CN222902663U (en) | A reverse fine boring tool for CNC lathe | |
| CN215279913U (en) | Five first connection structure | |
| CN212240057U (en) | Cutter clamp for multi-azimuth machining tool | |
| CN220378267U (en) | Hob fixing tool apron structure | |
| CN212553502U (en) | Electric automatization anchor clamps | |
| CN219189465U (en) | Clamp for numerical control center | |
| CN215615578U (en) | Clamp with gear blank end surface error adjusting function | |
| CN216573450U (en) | Shredder movable cutter mounting structure and shredder main shaft | |
| CN2536333Y (en) | Flute mono-sheet cutting tool aligner | |
| CN219325005U (en) | Steam turbine blade processing stable structure | |
| CN213916548U (en) | Automatic wire winding device of wire cutting machine | |
| CN218517788U (en) | Chamfer burring floating installation | |
| CN223727033U (en) | A fixture for measuring the punching dimensions of an electromagnetic valve housing | |
| CN218017128U (en) | A frock clamp for main shaft processing | |
| CN217433697U (en) | Lathe for machining petroleum machinery parts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |