CN203062367U - Non-shutting-down fixture - Google Patents
Non-shutting-down fixture Download PDFInfo
- Publication number
- CN203062367U CN203062367U CN 201220742756 CN201220742756U CN203062367U CN 203062367 U CN203062367 U CN 203062367U CN 201220742756 CN201220742756 CN 201220742756 CN 201220742756 U CN201220742756 U CN 201220742756U CN 203062367 U CN203062367 U CN 203062367U
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- CN
- China
- Prior art keywords
- mandrel
- main body
- connecting portion
- stop
- anchor clamps
- 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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- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 24
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 238000011084 recovery Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a non-shutting-down fixture which comprises a main body, a central spindle and pawls used for mounting workpieces. A cavity extending along the axial direction of the main body is arranged inside the main body, and the central spindle is provided with a central spindle inserting portion and a spindle connecting portion connected with the spindle inserting portion. The central spindle inserting portion is inserted in the cavity along the axial direction of the main body, the central spindle connecting portion is located outside the main body and is movably connected with a first end arranged on the main body in a clamping mode, and the pawls are arranged outside the main body and are connected with the central spindle connecting portion. A clamping spring, an antifriction bearing, a thrust ball bearing and an elastic reset component are sleeved on the outer wall of the central spindle inserting portion in sequence along the axial direction of the main body, the antifriction bearing is arranged between the inner wall of the cavity and the outer wall of the central spindle in a clamping mode, the central spindle inserting portion is movably connected with the antifriction bearing through the clamping spring in a clamping mode, and the central spindle inserting portion carries out displacement motion along the axial direction of the main body relative to the antifriction bearing. The elastic reset component is located between the thrust ball bearing and the central spindle connecting portion. By adopting the mentioned structure, the non-shutting-down fixture is simple in structure, convenient to operate, safe and efficient, and easy to manufacture, and a workpiece is convenient to dismantle.
Description
Technical field
The utility model relates to the turning attachment field, is specifically related to the anchor clamps that do not stop.
Background technology
At present the workshop is to the processing of threaded shank, and prior art is to adopt as shown in Figure 1 the method on a folder one top to process, and threaded shank during turning (workpiece a 2) end clamping is at last scroll chuck 1, and the other end is by movable thimble 3 supports.The method exists many disadvantages through facts have proved: the one, and scroll chuck 1 clamping force is improper, very easily causes to move axially in turning process, and oval flexural deformation appears in workpiece 2, causes the tool damage phenomenon; The 2nd, main frequent motor starting causes heating in the process, directly influences motor service life; The 3rd, the mounting or dismounting workpiece that must stop, consuming time, labour intensity is big.
The utility model content
The purpose of this utility model is to provide the anchor clamps that do not stop, and has solved workpiece and oval flexural deformation occurred, causes the tool damage phenomenon; Frequent motor starting shortens motor service life; Stop and install and remove workpiece, problem consuming time, that labour intensity is big.
For achieving the above object, the utility model adopts following technical scheme:
A kind of anchor clamps that do not stop comprise main body, mandrel and are used for installing the ratchet of workpiece; The inside of described main body is provided with along the axially extended cavity of main body, and mandrel is provided with mandrel insertion section and the mandrel connecting portion that is connected with this mandrel insertion section; The mandrel insertion section along body shaft to inserting in the cavity, the mandrel connecting portion in main body outside and and be located at the first end activity clamping of main body, ratchet is located at main body and is connected outward and with the mandrel connecting portion; Along body shaft to, the outer wall of mandrel insertion section is arranged with jump ring, rolling bearing, thrust ball bearing and elastic recovery assembly successively, rolling bearing is located between the outer wall of cavity inner wall and mandrel, the mandrel insertion section is by jump ring and rolling bearing activity clamping, the relative axis of rolling in mandrel insertion section make along body shaft to displacement movement; The elastic recovery assembly is between thrust ball bearing and mandrel connecting portion.
Further, described elasticity recovery component, described thrust ball bearing, described rolling bearing and described jump ring are arranged in described cavity.
Further, described elasticity recovery component is made of compression spring and spring base.
Further, described main body is provided with shank and the cavity portion that is connected with this shank, shank and cavity portion coaxial cooperation, and described cavity is located in the cavity portion and at described first end opening.
Further, described shank is No. 6 handle of a knifes of Mohs.
Further, described first end and described mandrel connecting portion engagement taper angles A is 10 ° ~ 60 °.
Further, described engagement taper angles A is 26 °.
Further, described ratchet and described mandrel connecting portion are threaded.
Further, described ratchet has the wrench bayonet socket.
Further, the end face at described mandrel connecting portion is provided with for the pin-and-hole of installing.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, adopt the utility model anchor clamps that do not stop, owing to be provided with ratchet, clamping force is strong, prevents that oval flexural deformation from appearring in workpiece, prolongs cutter life simultaneously; Because dispense with parking mounting or dismounting workpiece prevents the heating that main frequent motor starting causes, prolong and ring motor service life, and production efficiency height, labour intensity are little;
2, owing to adopted rolling bearing, thrust ball bearing and elastic recovery assembly, contact in the working angles steadily, noiselessness, frictional force is big, separates reliable rapidly;
3, thrust ball bearing is located between rolling bearing and the elasticity recovery component, has rolling bearing and the effect of mutual friction mutually of elasticity recovery component avoided;
4, ratchet and mandrel connecting portion are threaded, and can change corresponding ratchet according to the part inside and outside diameter diameter.
The utility model is simple in structure, and is easy to operate, safe and efficient, easily makes; Do not destroy former machine tool structure, convenient disassembly.
Description of drawings
Fig. 1 is the scheme schematic diagram of clamping work pieces in the prior art;
Fig. 2 is the do not stop structural representation of anchor clamps of the utility model;
Among the figure, the 1-scroll chuck; The 2-workpiece; The movable thimble of 3-; 1 '-main body; 11 '-cavity; 12 '-the first ends; 13 '-shank; 14 '-cavity portion; 2 '-jump ring; 3 '-rolling bearing; The 4-thrust ball bearing; The 5-spring base; 6-compresses spring; The 7-mandrel; 71-mandrel insertion section; 72-mandrel connecting portion; The 73-pin-and-hole; The 8-ratchet; 81-wrench bayonet socket.
The specific embodiment
Embodiment anchor clamps that do not stop as shown in Figure 1, comprise main body 1 ', mandrel 7, be sheathed on mandrel 7 outer walls the elasticity recovery component, be sheathed on mandrel 7 outer walls thrust ball bearing 4, be sheathed on the rolling bearing 3 of mandrel 7 outer walls ', be sheathed on the jump ring 2 of mandrel 7 outer walls ' and be used for installing the ratchet 8 of workpiece 2.
Main body 1 ' inside be provided with along body shaft to X-axis the cavity 11 that extends ', mandrel 7 is provided with mandrel insertion section 71 and the mandrel connecting portion 72 that is connected with mandrel insertion section 71.Mandrel insertion section 71 from first end 12 of being located at main body ' along X-axis insert cavity 11 ', and mandrel connecting portion 72 and first end, 12 ' activity clamping.Ratchet 8 is located at main body 1 ' outer and is connected with mandrel connecting portion 72.Along X-direction, the outer wall of mandrel insertion section be with successively jump ring 2 ', rolling bearing 3 ', thrust ball bearing 4, spring base 5 and compression spring 6.Rolling bearing 3 ' be located between the outer wall of cavity inner wall and mandrel 7, mandrel insertion section 71 be by jump ring 2 ' and rolling bearing 3 ' activity clamping, mandrel insertion section 71 relative rolling bearings 3 ' the do displacement movement along X-axis.The elastic recovery assembly is between thrust ball bearing 4 and mandrel connecting portion 72.Elasticity recovery component, thrust ball bearing 4, rolling bearing 3 ' and jump ring 2 ' be arranged in cavity 11 '.
In the present embodiment, the elasticity recovery component is made of compression spring 6 and spring base 5.Thrust ball bearing 4 be located at rolling bearing 3 ' and spring base 5 between, have avoid rolling bearing 3 ' with the effect of mutual friction mutually of elasticity recovery component.
Further, main body 1 ' be provided with shank 13 ' with the cavity portion 14 of this shank 13 ' be connected ', shank and cavity portion coaxial cooperation, cavity 11 ' be located at cavity portion 14 ' in and cavity portion 14 ' first end, 12 ' opening.Shank is No. 6 handle of a knifes of Mohs.First end 12 ' and mandrel connecting portion 72 engagement taper angles A be 10 ° ~ 60 °, preferred 26 °.
In the present embodiment, the tolerance dimension of mandrel insertion section 71 and rolling bearing 3 ' cooperation is between 0.015 ~ 0.025mm, the tolerance dimension that mandrel insertion section 71 and thrust ball bearing 4 cooperates between 0.015 ~ 0.025mm, with guarantee mandrel insertion section 71 can with respect to rolling bearing 3 ' and thrust ball bearing 4 do and endwisely slip.
In order to improve the interchangeability of anchor clamps, ratchet 8 is connected with mandrel 7 inner hole threads, and by Φ 25 and go up tolerance+0.05, tolerance-0.05 quality of fit is threaded down.Simultaneously, consider convenient disassembly, the end face in mandrel insertion section 71 is provided with for the pin-and-hole of installing 73, and ratchet 8 is shaped on wrench bayonet socket 81.
As to the further specifying of present embodiment, its using method is described now:
The anchor clamps taper shank is installed in the machine tool chief axis hole, and free state lower clamp mandrel 7 is compressed spring 6 effects, and the conical surface of jig main body and the conical surface of mandrel keep certain clearance, but relative motion mutually; When anchor clamps are not worked, external force contact mandrel 7 only need be arranged, mandrel 7 stops operating at once, jig main body 1 running as usual, and can install workpiece this moment easily; When movable thimble 3 supporting workpiece centre bores promote mandrel 7 conical surfaces when the jig main body conical surface is combined, under the effect of frictional force, workpiece 2, jig main body 1 ', mandrel 7 rotates together, satisfies requirement in the working angles.After treating workpiece 2 completion of processing, unclamp movable thimble 3, mandrel 7 returns the home position under the spring force effect.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not broken away from spirit and scope of the present utility model, if these are changed and modification belongs within claim of the present utility model and the equivalent technologies scope, then the utility model also is intended to comprise these changes and modification.
Claims (10)
1. anchor clamps that do not stop comprise main body, mandrel and are used for installing the ratchet of workpiece that it is characterized in that: the inside of described main body is provided with along the axially extended cavity of main body, and mandrel is provided with mandrel insertion section and the mandrel connecting portion that is connected with this mandrel insertion section; The mandrel insertion section along body shaft to inserting in the cavity, the mandrel connecting portion in main body outside and and be located at the first end activity clamping of main body, ratchet is located at main body and is connected outward and with the mandrel connecting portion; Along body shaft to, the outer wall of mandrel insertion section is arranged with jump ring, rolling bearing, thrust ball bearing and elastic recovery assembly successively, rolling bearing is located between the outer wall of cavity inner wall and mandrel, the mandrel insertion section is by jump ring and rolling bearing activity clamping, the relative axis of rolling in mandrel insertion section make along body shaft to displacement movement; The elastic recovery assembly is between thrust ball bearing and mandrel connecting portion.
2. anchor clamps that do not stop as claimed in claim 1, it is characterized in that: described elasticity recovery component, described thrust ball bearing, described rolling bearing and described jump ring are arranged in described cavity.
3. anchor clamps that do not stop as claimed in claim 1 or 2 is characterized in that: described elasticity recovery component is made of compression spring and spring base.
4. anchor clamps that do not stop as claimed in claim 1, it is characterized in that: described main body is provided with shank and the cavity portion that is connected with this shank, shank and cavity portion coaxial cooperation, described cavity is located in the cavity portion and at described first end opening.
5. anchor clamps that do not stop as claimed in claim 4, it is characterized in that: described shank is No. 6 handle of a knifes of Mohs.
6. anchor clamps that do not stop as claimed in claim 1 is characterized in that: described first end and described mandrel connecting portion engagement tapering are 10 ° ~ 60 °.
7. anchor clamps that do not stop as claimed in claim 6, it is characterized in that: described engagement tapering is 26 °.
8. anchor clamps that do not stop as claimed in claim 1, it is characterized in that: described ratchet and described mandrel connecting portion are threaded.
9. anchor clamps that do not stop as claimed in claim 1, it is characterized in that: described ratchet has the wrench bayonet socket.
10. anchor clamps that do not stop as claimed in claim 1 is characterized in that: the end face at described mandrel connecting portion is provided with for the pin-and-hole of installing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742756 CN203062367U (en) | 2012-12-30 | 2012-12-30 | Non-shutting-down fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742756 CN203062367U (en) | 2012-12-30 | 2012-12-30 | Non-shutting-down fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203062367U true CN203062367U (en) | 2013-07-17 |
Family
ID=48761193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220742756 Expired - Fee Related CN203062367U (en) | 2012-12-30 | 2012-12-30 | Non-shutting-down fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203062367U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070393A (en) * | 2014-06-26 | 2014-10-01 | 兰州工业学院 | Axial positioning halting-free lathe fixture |
| CN104493601A (en) * | 2014-12-12 | 2015-04-08 | 重庆市卓玛家具有限公司 | Tool for chamfering supporting sleeve |
| CN106077714A (en) * | 2016-07-08 | 2016-11-09 | 河南工钻业有限公司 | A kind of not parking fixture of car taper shank |
-
2012
- 2012-12-30 CN CN 201220742756 patent/CN203062367U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070393A (en) * | 2014-06-26 | 2014-10-01 | 兰州工业学院 | Axial positioning halting-free lathe fixture |
| CN104070393B (en) * | 2014-06-26 | 2017-02-01 | 兰州工业学院 | Axial positioning halting-free lathe fixture |
| CN104493601A (en) * | 2014-12-12 | 2015-04-08 | 重庆市卓玛家具有限公司 | Tool for chamfering supporting sleeve |
| CN106077714A (en) * | 2016-07-08 | 2016-11-09 | 河南工钻业有限公司 | A kind of not parking fixture of car taper shank |
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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: 20130717 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |