CN219310745U - Thin-wall cylindrical part machining tool - Google Patents
Thin-wall cylindrical part machining tool Download PDFInfo
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- CN219310745U CN219310745U CN202320897510.8U CN202320897510U CN219310745U CN 219310745 U CN219310745 U CN 219310745U CN 202320897510 U CN202320897510 U CN 202320897510U CN 219310745 U CN219310745 U CN 219310745U
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- locking
- taper sleeve
- thin
- outer taper
- conical surface
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Abstract
The utility model discloses a thin-wall cylindrical part machining tool, which relates to the technical field of part machining tools, and is characterized in that an outer taper sleeve, a collet, a lock nut and a lock wrench are arranged, when the tool is used, the outer taper sleeve, the collet and the lock nut are sequentially sleeved on a part, the outer thread of the lock nut is screwed into the inner thread of the outer taper sleeve, the position of the tool is adjusted, the inner circular surface of the collet is overlapped with the clamping position of the part, the collet is driven to move inwards and transversely by rotating the lock nut in the process of locking the tool by using the lock wrench, the conical surface of the lower half part of the collet is abutted with the conical surface of the inner surface of the outer taper sleeve, and the first locking conical surface of the upper end of the collet is matched with the second locking conical surface of the lock nut, so that the tool is automatically centered.
Description
Technical Field
The utility model relates to the technical field of part machining tools, in particular to a thin-wall cylindrical part machining tool.
Background
The thin-wall cylinder part has the advantages of light weight, compact structure, small occupied space and the like, is a design structure which is frequently adopted by product designers, but the machining precision of the thin-wall cylinder part is a difficult problem, and because the part belongs to a revolving body structure, the common machining process adopts lathe machining. The existing thin-wall cylindrical part is generally processed by adopting radial clamping of an elastic sleeve attached to the outer circle of a workpiece or fixing by adopting a three-jaw chuck clamping mode, and the technology is easy to lead the workpiece to generate clamping deformation, reduce the precision and lower the production efficiency.
According to the searching, the existing clamping tool is divided into an inner taper sleeve and an outer taper sleeve, the time for workers to align is long, the inner taper sleeve and the outer taper sleeve cannot be automatically aligned in the clamping process, the workers need to repeatedly lock screws with different angles, and the locking force of the screws with different angles is ensured to be consistent by pressing a meter on the locked positions, so that the concentricity of the inner taper sleeve and the outer taper sleeve is realized by repeated locking and adjusting, the clamping time is long, and the operation level requirement on the workers is high.
Because the whole length of this kind of part is greater than 2000mm, diameter 200mm, and the position that needs to process is located the part end, must use the lathe center frame to support the part, and the interior diameter of center frame is 245mm, consequently just limited the maximum diameter of anchor clamps excircle can not exceed 245mm, and interior diameter can not be less than 200mm, and the length of anchor clamps can not interfere with the part clamping face, need design mechanical structure in the cylindrical space of unilateral 22.5mm thickness, solve present anchor clamps clamping time long, adjust difficult technical problem, consequently need thin wall cylinder part processing frock.
Disclosure of Invention
The utility model provides a thin-wall cylindrical part machining tool for solving the problems in the background art.
In order to achieve the above purpose, the present application provides the following technical solutions: thin wall cylinder part processing frock includes:
the inner surface of the outer taper sleeve is a conical surface, and the inner surface of the upper end of the outer taper sleeve is provided with a first locking thread;
the inner surface of the collet is a cylindrical surface, the outer surface of the collet is a conical surface, the collet is positioned at the inner side of the outer taper sleeve, and the periphery of the upper end of the collet is provided with a first locking conical surface;
the lower end inner periphery of the locking nut is provided with a locking conical surface II which is matched with the locking conical surface I, and the outer surface of the locking nut is provided with a locking thread II which is matched with the locking thread I;
and the two operating parts are detachably connected to the lower end of the outer cone sleeve and the upper end of the lock nut respectively.
Preferably, a plurality of long slits are uniformly arranged on the periphery of the collet, and the plurality of long slits comprise slits arranged from top to bottom and slits arranged from bottom to top in an alternating manner.
Preferably, the operation piece comprises a locking spanner, a second fixing hole is formed in the locking spanner, and a first fixing hole corresponding to the second fixing hole is formed in each of the outer taper sleeve and the locking nut.
Preferably, the outer taper sleeve is connected with a locking mechanism, and the locking nut is relatively fixed with the outer taper sleeve through the locking mechanism.
Preferably, the locking mechanism comprises a locking screw hole arranged at the side end of the outer taper sleeve, a locking bolt penetrates through the locking screw hole in a threaded manner, and the locking bolt abuts against the locking nut.
Preferably, a plurality of locking screw holes are formed, and the plurality of locking screw holes are uniformly distributed along the peripheral side of the outer taper sleeve.
In summary, the utility model has the technical effects and advantages that:
1. according to the utility model, the outer taper sleeve, the collet chuck, the lock nut and the lock spanner are arranged, when the tool is used, the outer taper sleeve, the collet chuck and the lock nut are sleeved on a part in sequence, the outer thread of the lock nut is screwed into the inner thread of the outer taper sleeve, the position of the tool is adjusted, the inner circle surface of the collet chuck is overlapped with the clamping position of the part, the collet chuck is driven to move inwards and transversely by rotating the lock nut in the process of locking the tool by using the lock spanner, the conical surface of the lower half part of the collet chuck is abutted with the conical surface of the inner surface of the outer taper sleeve, the first locking conical surface of the upper end of the collet chuck is matched with the second locking conical surface of the lock nut, so that the tool is automatically centered, the thin-wall cylindrical part machining tool is simple and reliable in operation, the workpiece can be rapidly clamped in a limited space, and the use requirements on the machining precision and the repetition precision of the part can be met.
2. According to the utility model, the locking mechanism is connected to the outer taper sleeve, the locking nut is relatively fixed with the outer taper sleeve through the locking mechanism, after the locking spanner is used for locking the tool, the locking mechanism on the outer taper sleeve is used for realizing the relative fixation between the locking nut and the outer taper sleeve, so that the tool is not easy to loose in the part machining process.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of the present embodiment;
fig. 2 is an exploded view in the present embodiment;
fig. 3 is a schematic structural view of a lock nut in the present embodiment;
fig. 4 is a schematic structural view of the collet in this embodiment.
In the figure: 1. an outer cone sleeve; 11. locking the first thread; 2. a collet; 21. locking the first conical surface; 22. a long slit; 3. a lock nut; 31. locking a conical surface II; 32. locking a second thread; 33. a first fixing hole; 4. locking a spanner; 41. a second fixing hole; 5. locking the screw hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to fig. 1 to 4, the thin-walled cylindrical part machining tool comprises an outer taper sleeve 1, a collet 2, a lock nut 3 and an operating member.
The inner surface of the outer taper sleeve 1 is a conical surface, the diameter of the conical surface gradually decreases from top to bottom, and the inner surface of the upper end of the outer taper sleeve 1 is provided with a locking thread I11;
the inner surface of the collet chuck 2 is a cylindrical surface, the outer surface of the collet chuck 2 is a conical surface, the diameter of the conical surface gradually decreases from top to bottom, the collet chuck 2 is positioned at the inner side of the outer conical sleeve 1, a locking conical surface I21 is arranged at the periphery of the upper end of the collet chuck 2, a plurality of long slits 22 are uniformly arranged at the periphery of the collet chuck 2, and the plurality of long slits 22 comprise slits which are alternately distributed from top to bottom and slits which are arranged from bottom to top;
the inner periphery of the lower end of the lock nut 3 is provided with a second locking conical surface 31 which is matched with the first locking conical surface 21, and the outer surface of the lock nut 3 is provided with a second locking thread 32 which is matched with the first locking thread 11;
the two operating parts are arranged, each operating part comprises a locking spanner 4, a second fixing hole 41 is formed in each locking spanner 4, and a first fixing hole 33 corresponding to the second fixing hole 41 is formed in each outer taper sleeve 1 and each locking nut 3.
Based on the structure, when the tool is used, the outer taper sleeve 1, the collet chuck 2 and the locking nut 3 are sleeved on a part in sequence, the external thread of the locking nut 3 is screwed into the internal thread of the outer taper sleeve 1, the position of the tool is adjusted, the inner circular surface of the collet chuck 2 coincides with the clamping position of the part, then the lathe center frame is adjusted, the supporting roller of the center frame is contacted with the outer circular surface of the outer taper sleeve 1, and then two locking spanners 4 are respectively fixed at the corresponding positions of the outer taper sleeve 1 and the locking nut 3 by bolts to lock the tool.
In the locking process, the collet chuck 2 is driven to move inwards and transversely by the rotation of the locking nut 3, the conical surface of the lower half part of the collet chuck 2 is propped against the conical surface of the inner surface of the outer cone sleeve 1, and the first locking conical surface 21 at the upper end of the collet chuck 2 is matched with the second locking conical surface 31 on the locking nut 3, so that the automatic centering of the tool is realized, and the concentricity of the outer circular surface of the outer cone sleeve 1 and the inner circular surface of the collet chuck 2 contacted with a part is ensured.
For guaranteeing that frock is difficult for taking place not hard up in the part course of working, be connected with locking mechanism on the outer taper sleeve 1, lock nut 3 passes through locking mechanism and outer taper sleeve 1 relatively fixed, locking mechanism is including setting up in the locking screw 5 of outer taper sleeve 1 side, the screw runs through in the locking screw 5 has the lock bolt, lock bolt offsets with lock nut 3, lock screw 5 is provided with a plurality of, and a plurality of lock screw 5 are along the week side evenly distributed of outer taper sleeve 1, for example set up three lock screw 5 on the position of 120 equipartitions on outer taper sleeve 1, the lock bolt can adopt outer hexagon bolt.
After the locking spanner 4 is used for locking, the inner hexagonal spanner can be used for relatively fixing the locking nut 3 and the outer cone sleeve 1, so that the tool is not easy to loosen in the part machining process.
Through actual processing verification, the thin-wall cylindrical part processing tool can realize rapid clamping of a workpiece in a limited space, the repeated precision of each clamping of the clamp is smaller than or equal to 0.05mm, the actual processing precision requirement of a part is 0.1mm, and the use requirements of the part processing precision and the repeated precision can be met.
The working principle of the utility model is as follows: when the tool is used, the outer taper sleeve 1, the collet chuck 2 and the lock nut 3 are sleeved on a part in sequence, the outer thread of the lock nut 3 is screwed into the inner thread of the outer taper sleeve 1, the position of the tool is adjusted to enable the inner circle surface of the collet chuck 2 to coincide with the clamping position of the part, then a lathe center frame is adjusted to enable a supporting roller of the center frame to be in contact with the outer circle surface of the outer taper sleeve 1, and then two lock spanners 4 are respectively fixed at corresponding positions of the outer taper sleeve 1 and the lock nut 3 by bolts to lock the tool;
in the locking process, the collet chuck 2 is driven to move transversely inwards by rotating the locking nut 3, the conical surface of the lower half part of the collet chuck 2 is propped against the conical surface of the inner surface of the outer cone sleeve 1, the first locking conical surface 21 at the upper end of the collet chuck 2 is matched with the second locking conical surface 31 on the locking nut 3, so that the automatic centering of the tool is realized, the concentricity of the outer circular surface of the outer cone sleeve 1 and the inner circular surface of the collet chuck 2, which is contacted with a part, is ensured, after the locking spanner 4 is used for locking, the tool is not easy to loosen in the part machining process, and the locking mechanism on the outer cone sleeve 1 is utilized for realizing the relative fixation between the locking nut 3 and the outer cone sleeve 1, so that the whole installation is completed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. Thin wall cylinder part processing frock, its characterized in that includes:
the inner surface of the outer taper sleeve (1) is a taper surface, and a locking thread I (11) is arranged on the inner surface of the upper end of the outer taper sleeve (1);
the inner surface of the collet chuck (2) is a cylindrical surface, the outer surface of the collet chuck (2) is a conical surface, the collet chuck (2) is positioned at the inner side of the outer taper sleeve (1), and a first locking conical surface (21) is arranged at the periphery of the upper end of the collet chuck (2);
the locking nut (3), the lower end inner periphery of the locking nut (3) is provided with a locking conical surface II (31) which is matched with the locking conical surface I (21), and the outer surface of the locking nut (3) is provided with a locking thread II (32) which is matched with the locking thread I (11);
and the two operating parts are respectively and detachably connected to the lower end of the outer cone sleeve (1) and the upper end of the lock nut (3).
2. The thin-walled cylindrical part machining tool according to claim 1, wherein: a plurality of long slits (22) are uniformly arranged on the periphery of the collet (2), and the plurality of long slits (22) comprise slits which are alternately distributed from top to bottom and slits which are alternately distributed from bottom to top.
3. The thin-walled cylindrical part machining tool according to claim 1, wherein: the operation piece comprises a locking spanner (4), a second fixing hole (41) is formed in the locking spanner (4), and a first fixing hole (33) corresponding to the second fixing hole (41) is formed in the outer taper sleeve (1) and the locking nut (3).
4. The thin-walled cylindrical part machining tool according to claim 1, wherein: the outer cone sleeve (1) is connected with a locking mechanism, and the locking nut (3) is relatively fixed with the outer cone sleeve (1) through the locking mechanism.
5. The thin-walled cylindrical part machining tool according to claim 4, wherein: the locking mechanism comprises a locking screw hole (5) arranged at the side end of the outer taper sleeve (1), a locking bolt penetrates through the locking screw hole (5) in a threaded mode, and the locking bolt abuts against the locking nut (3).
6. The thin-walled cylindrical part machining tool according to claim 5, wherein: the locking screw holes (5) are formed in a plurality of, and the locking screw holes (5) are uniformly distributed along the periphery of the outer taper sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897510.8U CN219310745U (en) | 2023-04-20 | 2023-04-20 | Thin-wall cylindrical part machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897510.8U CN219310745U (en) | 2023-04-20 | 2023-04-20 | Thin-wall cylindrical part machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219310745U true CN219310745U (en) | 2023-07-07 |
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ID=87031976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320897510.8U Active CN219310745U (en) | 2023-04-20 | 2023-04-20 | Thin-wall cylindrical part machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219310745U (en) |
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2023
- 2023-04-20 CN CN202320897510.8U patent/CN219310745U/en active Active
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