CN202240482U - Elastic sleeve device for central frame - Google Patents
Elastic sleeve device for central frame Download PDFInfo
- Publication number
- CN202240482U CN202240482U CN2011203580706U CN201120358070U CN202240482U CN 202240482 U CN202240482 U CN 202240482U CN 2011203580706 U CN2011203580706 U CN 2011203580706U CN 201120358070 U CN201120358070 U CN 201120358070U CN 202240482 U CN202240482 U CN 202240482U
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- Prior art keywords
- resilient sleeve
- ring
- elastic sleeve
- sleeve
- endoporus
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Abstract
The utility model relates to the technical field of a lathe fixture and particularly relates to an elastic sleeve device for a central frame. The elastic sleeve device is used for solving the problem that the lathe fixture with a bigger diameter in same size cannot be used for directly fixing an outer surface of a tubular body or processing an end face. The elastic sleeve device comprises an elastic sleeve and is characterized in that the elastic sleeve is provided with a tubular structure; a holding base is arranged at one end of an inner hole of the elastic sleeve; a conical body is arranged on an outer diameter of the elastic sleeve of the holding base; an external thread is arranged on an external circle at the other end of the elastic sleeve; a locking nut is assembled on the part of the external thread; a plurality of through slots are formed along an axial direction on other cylindrical wall sections except the cylindrical wall section with the external thread on the elastic sleeve; a check ring base is arranged on the external circle with the through slots on the elastic sleeve; a check ring is arranged in the check ring base; a conical surface of the conical body is tightly clung to one end of a positioning sleeve; and the other end of the positioning sleeve is resisted against the end face of the check ring. The elastic sleeve device is safe and reliable in fixing; an auxiliary head is additionally arranged for processing the tubular bodies with different diameters; the stroke of the elastic sleeve during a fixing process can be adjusted to be the minimum by the additionally arranged auxiliary head; and the efficiency is high.
Description
Technical field
The utility model relates to the turning attachment technical field, relates in particular to the resilient sleeve device of the centre frame of a kind of tubular body end or outer surface processing usefulness.
Background technology
Machine components processing has the surface or the end face processing of tubular body often, when lathe dog and precision can satisfy the diameter of turner, generally adopts unique anchor clamps, in the time of can not directly carrying out clamping to workpiece for lathe dog, then needs the design special anchor clamps.The method of clamping of resilient sleeve uses more, but its structure is different, mainly is to design by product characteristic; Like patent announcement number is that a kind of lathe of CN201900490U is used the inner clamping type elastic jacket, mainly is that a kind of off-gauge lathe is used clamping device, on the Lathe Spindle Box front bearing retainer through the nut bearing that is threaded; Through the power transmission nut that is threaded, on the power transmission nut, one handle is installed on the nut bearing, logical bolt, the seam expander axle that is located by connecting on lathe spindle; Symmetry is installed the bearing pad on the expander axle, on the bearing pad clutch bearing is installed, and in expander axle endoporus, mandrel is housed; One end of spring is packed in the mandrel endoporus; One end withstands on and holds out against on the nut, at the other end of expander axle endoporus ringfeder is installed, and pull bar penetrates with mandrel from this end and is connected.And for example patent publication No. is a kind of precision positioning and clamping device of lathe of CN101518875, comprises clamping fixture seat, clamp body, resilient sleeve, clamp nut, and clamp body is connected fixing with clamping fixture seat through screw; Clamp nut and clamp body bolt, the resilient sleeve upper end is connected fixing with clamp nut, wherein the even respectively some slits that distribute in resilient sleeve two ends; Its quantity is got 3 multiple; Distance between any two slits equates that all workpiece places in the resilient sleeve, and is axially spacing through position block; The corresponding conical surface is through taper fit centering on resilient sleeve male cone (strobilus masculinus) and the clamp body; The rotation clamp nut then produces axial displacement through driving resilient sleeve, with change sleeve diameter size, and then the chucking workpiece.And these structures all can't be big to diameter, the same model lathe dog directly the tubular body endoporus of clamping position and clamping.
Summary of the invention
The purpose of the utility model is that diameter is big in order to solve, same model the lathe dog directly outer surface of clamping tubular body or the problem that end face is processed; A kind of resilient sleeve device of simple and reasonable centre frame is provided; It is installed in the centre frame position of lathe, adopts the resilient sleeve structure, resilient sleeve is carried out the control of diameter through locking nut; Come the clamping tubular body, thereby accomplish the processing of tubular body end face, endoporus, cylindrical.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals: a kind of resilient sleeve device of centre frame; Comprise resilient sleeve, it is characterized in that described resilient sleeve is a tubular structure, endoporus one end of resilient sleeve is provided with grip slipper; The resilient sleeve external diameter at grip slipper position is provided with bullet; The other end cylindrical of resilient sleeve is provided with external screw thread, and locking nut is equipped with at the external screw thread position, and resilient sleeve is axially arranged with some grooves except being provided with externally threaded other barrel section upper edge; Resilient sleeve is provided with the back-up ring seat on the cylindrical that is provided with the groove position; Be provided with back-up ring in the back-up ring seat, an end of the conical surface of bullet and positioning sleeve is close to, and the other end of positioning sleeve withstands on the end face of back-up ring.Resilient sleeve is not receiving under the external force effect, and groove is in parallel nature, and the endoporus of resilient sleeve grip slipper positions the body one end external diameter of bulk article; Turn locking nut is again pushed back-up ring by an end of nut, and back-up ring produces axial thrust to positioning sleeve; This axial thrust acts on the bullet position of resilient sleeve, thereby resilient sleeve is produced radial compression, when groove dwindles; Workpiece is clamped, and when unclamping locking nut, the resilient sleeve groove stretches; Naturally flick, the workpiece free degree is cancelled.
As preferably, described grip slipper is made up of a hole section greater than the resilient sleeve endoporus, and groove passes the barrel at grip slipper position.Support seat to be used for placing processed body, be provided with the rank, hole at the resilient sleeve endoporus position of body end, add man-hour, body is axially by location, place, rank, hole.
As preferably, described groove is provided with anti-ceasma towards being provided with an externally threaded end.Anti-ceasma has prevented that groove end use cracking from damaging.
As preferably, described bullet is provided with support ring towards the smaller diameter end of back-up ring seat one end, the internal diameter matched in clearance of the external diameter of support ring and positioning sleeve.Positioning sleeve need axially be claimed moving along resilient sleeve, but its internal diameter again can not be less than the external diameter at external screw thread place, otherwise assembling do not advance, and because of endoporus is bigger, positioning sleeve produces destabilizing factor on the resilient sleeve external diameter, and support ring quantitatively reduces the endoporus shakiness of positioning sleeve just.
As preferably, endoporus one end of described positioning sleeve is provided with the taper hole identical with the bullet tapering.Steady and the gradual change of the extruding force that the extruding of the corresponding conical surface of the conical surface radially produces resilient sleeve.
As preferably, described back-up ring is provided with the reaming of cover seat towards an end of positioning sleeve, and the diameter of cover seat reaming cooperates with the crest clearance of positioning sleeve one end.The reaming of cover seat makes positioning sleeve radially can not move along resilient sleeve an end of positioning sleeve location within it, to improve operating efficiency.
As preferably, the endoporus of described back-up ring is greater than the externally threaded external diameter of resilient sleeve.During assembling, back-up ring needs the whole cylindrical middle part that male thread portion is enclosed within resilient sleeve of passing.
As preferably, the endoporus of described back-up ring cooperates with the crest clearance of resilient sleeve back-up ring seat, and back-up ring is made up of two semi-rings.Because being the groove end, the position that resilient sleeve cooperates with back-up ring prevents the ceasma position; The wall thickness at this position can not be too big; Otherwise influence the elastic force of resilient sleeve, shield ring sleeve adopts the split-type structural mode, its endoporus just can be directly and the external diameter of resilient sleeve matching part carry out matched in clearance; It should be noted that between back-up ring and the support ring to be provided with enough spacings, to guarantee to promote the work shift of positioning sleeve.
As preferably, the cylindrical of described locking nut is provided with several snap close counterbores.Be to do gyration on the lathe, the snap close counterbore is evenly distributed on the external diameter of locking nut, utilizes snap close counterbore assembling boosting-rod that locking nut is carried out valid function.
Effective effect of the utility model is: this device property clamping once on lathe; Carry out tubular body processing in batch after the adjustment; Because locking nut and lathe turn to oppositely, and fastening safety is reliable, the tubular body of different-diameter is processed during clamping through installing auxiliary head additional; Clamping process resilient sleeve stroke can be adjusted to minimum through installing auxiliary head additional, and efficient is high.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model.
Fig. 2 is a kind of resilient sleeve structural representation of the utility model.
Fig. 3 is the C-C sectional structure sketch map of the utility model Fig. 2.
Fig. 4 is a kind of positioning sleeve structural representation of the utility model figure.
Fig. 5 is a kind of back-up ring structural representation of the utility model.
Fig. 6 is a kind of locking nut structural representation of the utility model.
Among the figure: 1. resilient sleeve, 11. grip slippers, 12. grooves, 13. bullets, 14. support rings, 15. external screw threads, 16. anti-ceasmas, 17. back-up ring seats, 2. positioning sleeve, 21. taper holes, 3. locking nut, 31. snap close counterbores, 4. back-up ring, 41. cover seat reamings.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Referring to Fig. 1, the resilient sleeve device of a kind of centre frame of present embodiment, main body is established the resilient sleeve 1 of a tubular structure, and positioning sleeve 2, back-up ring 4 and locking nut 3 are housed on the cylindrical of resilient sleeve 1 successively.
Endoporus one end of resilient sleeve 1 is provided with grip slipper 11, and like Fig. 2, shown in Figure 3, grip slipper 11 is made up of a hole section greater than resilient sleeve 1 endoporus, and it is the place that fixes to clamp of work piece body.The other end cylindrical of resilient sleeve 1 is provided with external screw thread 15; External screw thread 15 positions are used for assembling locking nut 3; The resilient sleeve external diameter at grip slipper 11 positions is provided with bullet 13; Resilient sleeve 1 is axially arranged with 6 grooves 12 except other barrel section upper edge that is provided with external screw thread 15, and groove 12 is provided with the anti-ceasma 16 that diameter is 3 times of groove width towards an end that is provided with external screw thread 15.Resilient sleeve 1 promptly is being provided with back-up ring seat 17 on the cylindrical that is provided with groove 12 positions between bullet 13 and external screw thread 15, back-up ring seat 17 positions are used for assembling back-up ring 4, a kind of situation, and the endoporus of back-up ring 4 is greater than the external diameter of the external screw thread on the resilient sleeve 1 15.The taper hole 21 of the conical surface of bullet 13 and positioning sleeve 2 one ends is close to, positioning sleeve structure as shown in Figure 4.
Establish place's support ring 14 between bullet 13 and the back-up ring seat 17, the internal diameter matched in clearance of the external diameter of support ring 14 and positioning sleeve 2.
The other end of positioning sleeve 2 withstands on the end face of back-up ring 4, and back-up ring 4 is provided with the reaming 41 of cover seat towards an end of positioning sleeve 2, and is as shown in Figure 5, and the diameter of this cover seat reaming 41 cooperates with the crest clearance of positioning sleeve 2 one ends, and the reaming 41 of cover seat is played restriction positioning sleeve 2 and moved radially.
The cylindrical of locking nut 3 is provided with 4 snap close counterbores 31, and snap close counterbore 31 is used for assembly manipulation handle boosting-rod, and is as shown in Figure 6.
The another kind of structure of back-up ring 4 is that the endoporus of back-up ring 4 cooperates with less clearance with the external diameter at resilient sleeve 1 back-up ring seat 17 positions, and like this, back-up ring 4 is merged by two semi-rings and forms, and is fixed into one to two semi-rings again after being contained in back-up ring seat 17 positions to back-up ring 4.
During work, be assemblied in this device on the lathe centre frame, after fixing, unclamp locking nut 3, make the groove 12 of resilient sleeve 1 be in releasing orientation, load onto processed body, the external diameter of body one end is placed in the grip slipper 11.Turn locking nut 3 makes locking nut 3 move towards positioning sleeve 2 directions, promotes back-up ring 4 by locking nut 3; Back-up ring 4 promotes positioning sleeve 2; The bullet 13 of taper hole 21 extruding resilient sleeve 1 one ends of positioning sleeve 2 one ends dwindles resilient sleeve 1 internal diameter, machines thereby clamp body.
The foregoing description is the explanation to the utility model, is not the qualification to the utility model, any protection domain that structure after the simple transformation of the utility model, technology is all belonged to the utility model.
Claims (9)
1. the resilient sleeve device of a centre frame; Comprise resilient sleeve (1), it is characterized in that described resilient sleeve (1) is tubular structure, endoporus one end of resilient sleeve (1) is provided with grip slipper (11); The resilient sleeve external diameter at grip slipper (11) position is provided with bullet (13); The other end cylindrical of resilient sleeve (1) is provided with external screw thread (15), and locking nut (3) is equipped with at external screw thread (15) position, and resilient sleeve (1) is axially arranged with some grooves (12) except other barrel section upper edge that is provided with external screw thread (15); Resilient sleeve (1) is provided with back-up ring seat (17) on the cylindrical that is provided with groove (12) position; Be provided with back-up ring (4) in the back-up ring seat (17), an end of the conical surface of bullet (13) and positioning sleeve (2) is close to, and the other end of positioning sleeve (2) withstands on the end face of back-up ring (4).
2. the resilient sleeve device of a kind of centre frame according to claim 1 is characterized in that described grip slipper (11) is made up of a hole section greater than resilient sleeve (1) endoporus, and groove (12) passes the barrel at grip slipper (11) position.
3. the resilient sleeve device of a kind of centre frame according to claim 1 and 2 is characterized in that described groove (12) is provided with anti-ceasma (16) towards an end that is provided with external screw thread (15).
4. the resilient sleeve device of a kind of centre frame according to claim 1 and 2; It is characterized in that described bullet (13) is provided with support ring (14) towards the smaller diameter end of back-up ring seat (17) one ends, the internal diameter matched in clearance of the external diameter of support ring (14) and positioning sleeve (2).
5. the resilient sleeve device of a kind of centre frame according to claim 1 is characterized in that endoporus one end of described positioning sleeve (2) is provided with the taper hole (21) identical with bullet (13) tapering.
6. according to the resilient sleeve device of claim 1 or 5 described a kind of centre frames; It is characterized in that described back-up ring (4) is provided with the reaming (41) of cover seat towards an end of positioning sleeve (2), the diameter of cover seat reaming (41) cooperates with the crest clearance of positioning sleeve (2) one ends.
7. the resilient sleeve device of a kind of centre frame according to claim 6 is characterized in that the external diameter of the endoporus of described back-up ring (4) greater than resilient sleeve (1) external screw thread (15).
8. the resilient sleeve device of a kind of centre frame according to claim 6 is characterized in that the endoporus of described back-up ring (4) cooperates with the crest clearance of resilient sleeve (1) back-up ring seat (17), and back-up ring (4) is made up of two semi-rings.
9. the resilient sleeve device of a kind of centre frame according to claim 1 and 2 is characterized in that the cylindrical of described locking nut (3) is provided with several snap close counterbores (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203580706U CN202240482U (en) | 2011-09-23 | 2011-09-23 | Elastic sleeve device for central frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203580706U CN202240482U (en) | 2011-09-23 | 2011-09-23 | Elastic sleeve device for central frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202240482U true CN202240482U (en) | 2012-05-30 |
Family
ID=46101783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203580706U Expired - Fee Related CN202240482U (en) | 2011-09-23 | 2011-09-23 | Elastic sleeve device for central frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202240482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081739A (en) * | 2015-08-07 | 2015-11-25 | 安阳工学院 | Press mounting device for bearing of rear axle differential of small vehicle |
| CN109277437A (en) * | 2018-10-10 | 2019-01-29 | 中国航发哈尔滨东安发动机有限公司 | Bind round circle device in a kind of thin-wall tube shaft end portion |
-
2011
- 2011-09-23 CN CN2011203580706U patent/CN202240482U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081739A (en) * | 2015-08-07 | 2015-11-25 | 安阳工学院 | Press mounting device for bearing of rear axle differential of small vehicle |
| CN109277437A (en) * | 2018-10-10 | 2019-01-29 | 中国航发哈尔滨东安发动机有限公司 | Bind round circle device in a kind of thin-wall tube shaft end portion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHENGDU HUIFENG DIAMONDS TOOLS CO., LTD. Free format text: FORMER OWNER: HANGZHOU ZUANHU DIAMOND TOOLS CO., LTD. Effective date: 20150227 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311700 HANGZHOU, ZHEJIANG PROVINCE TO: 610091 CHENGDU, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150227 Address after: 610091 Sichuan Province, Qingyang City, the union of the village of the Group No. 6, No. 312 Patentee after: CHENGDU HUIFENG DIAMONDS TOOLS CO., LTD. Address before: Hangzhou City, Zhejiang province 311700 Qiandaohu Town Industrial Park Yongxing Gushan Road No. 231 Patentee before: Hangzhou Zuanhu Diamond Tool Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610091 Sichuan Province, Qingyang City, the union of the village of the Group No. 6, No. 312 Patentee after: Chengdu Huifeng new material Polytron Technologies Inc Address before: 610091 Sichuan Province, Qingyang City, the union of the village of the Group No. 6, No. 312 Patentee before: CHENGDU HUIFENG DIAMONDS TOOLS CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20190923 |