CN219336810U - Clamping device for machining thin-wall parts - Google Patents
Clamping device for machining thin-wall parts Download PDFInfo
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- CN219336810U CN219336810U CN202223417914.7U CN202223417914U CN219336810U CN 219336810 U CN219336810 U CN 219336810U CN 202223417914 U CN202223417914 U CN 202223417914U CN 219336810 U CN219336810 U CN 219336810U
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Abstract
The utility model discloses a clamping device for processing a thin-wall part, which takes a base as an integral support, is used for being fixedly connected with a machine tool, and is respectively matched with the base and a locking nut on the upper side and the lower side through connecting bolts to lock an elastic supporting structure on the base; the clamping device for processing the thin-wall part has the advantages of simple structure, reasonable design, convenience in use, high and the like.
Description
Technical Field
The utility model discloses the technical field of fixtures for numerical control machine tools, and particularly relates to a clamping device for machining thin-wall parts.
Background
At present, when a numerical control machine tool processes a part, the clamping device is used for positioning the part to be processed, and after the positioning of the part to be processed is completed, the machining operations such as a lathe milling machine and the like are performed.
However, in the past, when the thin-wall part is processed, the thin-wall part to be processed is sleeved outside a hard clamping device, when the thin-wall part is processed, the processing force applied to the thin-wall part can indirectly act on the clamping device, and the hard clamping device can give corresponding reaction force to the thin-wall part, so that the thin-wall part is deformed or the size is out of tolerance in the processing process, and the like, thereby causing the problem of unqualified product processing.
Therefore, how to develop a novel clamping device to solve the above problems is a urgent problem to be solved.
Disclosure of Invention
In view of the above, the utility model discloses a clamping device for processing a thin-wall part, which aims to solve the problem that the prior clamping device is easy to cause deformation or dimension out of tolerance and the like in the processing of a thin-wall part to be processed and cause unqualified product processing when the positioning processing of the thin-wall part is carried out.
The technical scheme provided by the utility model is that the clamping device for processing the thin-wall part is characterized in that a through hole penetrating up and down is arranged in the center of the thin-wall part, and the clamping device comprises: the device comprises a base, an elastic supporting structure, a connecting bolt, a flat pad and a locking nut;
a threaded blind hole is formed in the center of the base, a circular convex ring protruding upwards is arranged on the upper surface of the base, and positioning holes are formed in the base at intervals along the circumferential direction of the circular convex ring;
the elastic supporting structure is a cylindrical barrel with a closed upper end and an open lower end, the cylindrical barrel is surrounded by an upper end cover body and a side wall, the diameter of the elastic supporting structure is matched with the diameter of a through hole in the center of the thin-wall part, the center of the upper end cover body of the elastic supporting structure is provided with a through hole which penetrates through the upper part and the lower part, and the elastic supporting structure is buckled on the upper surface of a circular convex ring in the base;
threads are arranged at two ends of the connecting bolt, one end of the connecting bolt penetrates through the through hole in the elastic supporting structure, the threads are screwed in the threaded blind hole of the base, and the other end of the connecting bolt is positioned outside the elastic supporting structure;
the flat pad is positioned above the elastic supporting structure and sleeved outside the connecting bolt;
the lock nut is screwed outside the connecting bolt, and the bottom surface of the lock nut abuts against the upper surface of the flat pad.
Preferably, the elastic support structure is an elastic support structure made of No. 45 steel, and on the elastic support structure, holes extending radially outwards to the bottom end of the side wall of the elastic support structure are formed along the upper end cover body of the elastic support structure at intervals along the circumferential direction of the through hole, and the holes divide the elastic support structure into a plurality of split support blocks with connected upper ends and separated lower ends.
Further preferably, downward concave guide grooves are formed in the upper surface of the circular convex ring at intervals along the circumferential direction, the width of each guide groove is matched with the width of each split supporting block in the elastic supporting structure, and when the elastic supporting structure is buckled on the upper surface of the circular convex ring in the base, the lower ends of the split supporting blocks corresponding to the positions of the guide grooves are just limited in the guide grooves.
Further preferably, the upper end cover body of the elastic supporting structure has a dome shape with high center and low periphery.
The clamping device for machining the thin-wall part, provided by the utility model, has the advantages that the base is used as an integral support and is used for being fixedly connected with a machine tool, the elastic support structure is locked on the base through the matching of the connecting bolts with the bases and the locking nuts on the upper side and the lower side respectively, and the elastic support structure is adopted by the clamping device.
The clamping device for processing the thin-wall part has the advantages of simple structure, reasonable design, convenience in use, high yield of processed products and the like.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure of the utility model as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic structural view of a clamping device for machining thin-wall parts, which is provided by an embodiment of the utility model;
fig. 2 is a schematic diagram of a split structure of a clamping device for processing a thin-wall part according to an embodiment of the present disclosure;
fig. 3 is a longitudinal sectional view of a clamping device for machining thin-wall parts according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus consistent with aspects of the utility model as detailed in the accompanying claims.
In order to solve the problem that the prior clamping device is easy to cause unqualified product processing due to deformation or dimension exceeding difference in processing of the thin-walled part when the positioning processing of the thin-walled part is performed, the embodiment provides a clamping device for processing the thin-walled part, the center of the thin-walled part is provided with a through hole penetrating up and down, and referring to fig. 1-3, the clamping device in the embodiment mainly comprises a base 1, an elastic supporting structure 2, a connecting bolt 3, a flat pad 4 and a locking nut 5, wherein a threaded blind hole 11 is arranged in the center of the base 1, a circular convex ring 12 protruding upwards is arranged on the upper surface of the base 1, positioning holes 13 are arranged on the base 1 at intervals along the circumferential direction of the circular convex ring 12, the positioning holes 13 are fixedly connected with a machine tool, the elastic supporting structure 2 is a cylindrical cylinder body which is enclosed by an upper end cover body and a side wall and has an open upper end, the diameter of the elastic supporting structure 2 is matched with the diameter of a through hole in the center of the thin-wall part, the thin-wall part can be sleeved outside the elastic supporting structure 2 through the through hole in the center of an upper end cover body of the elastic supporting structure 2, the elastic supporting structure 2 is buckled on the upper surface of a circular convex ring 12 in the base 1, threads are arranged at two ends of the connecting bolt 3, one end of the connecting bolt 3 penetrates through the through hole 21 in the elastic supporting structure 2, the threads are screwed in a threaded blind hole 11 of the base 1, the other end of the connecting bolt 3 is positioned outside the elastic supporting structure 2, a flat pad 4 is positioned above the elastic supporting structure 2 and sleeved outside the connecting bolt 3, a locking nut 5 is screwed outside the connecting bolt 3, the bottom surface of the locking nut 5 abuts against the upper surface of the flat pad 4, the elastic supporting structure 2 is positioned above the base 1 by the locking nut 5 and the threaded blind holes 11 in the base 1 being matched with the threads at the two ends of the connecting bolt 3.
When the clamping device for machining the thin-wall part is used for positioning the thin-wall part, the base is integrally fixed on the numerical control machine tool through the positioning hole on the base, then the thin-wall part to be machined is sleeved outside the elastic supporting structure through the through hole in the center of the base and is positioned above the circular convex ring, at the moment, when the thin-wall part is machined, even if the thin-wall part is subjected to external machining force, the elastic supporting structure can absorb the external machining force to which the thin-wall part is subjected, deformation of the thin-wall part is avoided, machining precision is improved, and the yield is further improved.
The above-mentioned elastic support structure 2 is mainly aimed at realizing that the external force that will wait to process the thin-walled part and receive when supporting, therefore, need to have certain hardness requirement to this elastic support structure 2, need have the deformation resistance again, consequently, this embodiment has adopted No. 45 steel, the characteristic performance preparation of this No. 45 steel obtains elastic support structure, in order to further improve its deformation resistance, in order to improve its resistance, see fig. 1, fig. 2, on elastic support structure 2, along the circumference interval of through-hole 21, be provided with along the upper end cover body radial outside of elastic support structure 2 and extend to the aperture 22 of elastic support structure 2 lateral wall bottom, above-mentioned aperture 22 cuts apart elastic support structure 2 into a plurality of upper end connection, the split supporting shoe 23 of lower extreme separation, through splitting up elastic support structure 2 into a plurality of split supporting shoe in order to improve its deformation resistance. It is further preferred that the upper end cap of the elastic support structure 2 has a dome shape with a high center and a low circumference.
In order to prevent the elastic support structure 2 from rotating relative to the base 1 in the processing process and affecting the processing of thin-wall parts, as an improvement of the technical scheme, the upper surface of the circular convex ring 12 in the base 1 is provided with downward concave guide grooves 121 along the circumferential interval, the width of the guide grooves 121 is matched with the width of the split support blocks 23 in the elastic support structure 2, and when the elastic support structure 2 is buckled on the upper surface of the circular convex ring 12 in the base 1, the lower ends of the split support blocks 23 corresponding to the positions of the guide grooves 121 are just limited in the guide grooves 121, so that the limit of the elastic support structure 2 is realized.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (4)
1. The utility model provides a clamping device is used in thin wall part processing, the central authorities of thin wall part are provided with the through-hole from top to bottom, its characterized in that, clamping device includes: the device comprises a base (1), an elastic supporting structure (2), a connecting bolt (3), a flat pad (4) and a locking nut (5);
a threaded blind hole (11) is formed in the center of the base (1), circular convex rings (12) protruding upwards are arranged on the upper surface of the base (1), and positioning holes (13) are formed in the base (1) at intervals along the circumferential direction of the circular convex rings (12);
the elastic supporting structure (2) is a cylindrical barrel with a closed upper end and an open lower end, the cylindrical barrel is surrounded by an upper end cover body and a side wall, the diameter of the elastic supporting structure (2) is matched with the diameter of a through hole in the center of the thin-wall part, a through hole (21) penetrating up and down is formed in the center of the upper end cover body of the elastic supporting structure (2), and the elastic supporting structure (2) is buckled on the upper surface of a circular convex ring (12) in the base (1);
threads are arranged at two ends of the connecting bolt (3), one end of the connecting bolt (3) penetrates through a through hole (21) in the elastic supporting structure (2), the threads are screwed in a threaded blind hole (11) of the base (1), and the other end of the connecting bolt (3) is located outside the elastic supporting structure (2);
the flat pad (4) is positioned above the elastic supporting structure (2) and sleeved outside the connecting bolt (3);
the locking nut (5) is screwed outside the connecting bolt (3), and the bottom surface of the locking nut (5) abuts against the upper surface of the flat pad (4).
2. The clamping device for machining thin-wall parts according to claim 1, wherein the elastic supporting structure (2) is an elastic supporting structure made of 45 # steel, and on the elastic supporting structure (2), holes (22) extending radially outwards from an upper end cover body of the elastic supporting structure (2) to the bottom end of the side wall of the elastic supporting structure (2) are arranged at intervals along the circumferential direction of the through hole (21), and the holes (22) divide the elastic supporting structure (2) into a plurality of split supporting blocks (23) with upper ends connected and lower ends separated.
3. The clamping device for machining thin-wall parts according to claim 2, wherein downward concave guide grooves (121) are formed in the upper surface of the circular convex ring (12) at intervals along the circumferential direction, the width of each guide groove (121) is matched with the width of each split supporting block (23) in the elastic supporting structure (2), and when the elastic supporting structure (2) is buckled on the upper surface of the circular convex ring (12) in the base (1), the lower ends of the split supporting blocks (23) corresponding to the positions of the guide grooves (121) are just limited in the guide grooves (121).
4. The clamping device for machining the thin-wall part according to claim 1, wherein the upper end cover body of the elastic supporting structure (2) is in a dome shape with high center and low periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223417914.7U CN219336810U (en) | 2022-12-20 | 2022-12-20 | Clamping device for machining thin-wall parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223417914.7U CN219336810U (en) | 2022-12-20 | 2022-12-20 | Clamping device for machining thin-wall parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219336810U true CN219336810U (en) | 2023-07-14 |
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ID=87096695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223417914.7U Active CN219336810U (en) | 2022-12-20 | 2022-12-20 | Clamping device for machining thin-wall parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219336810U (en) |
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2022
- 2022-12-20 CN CN202223417914.7U patent/CN219336810U/en active Active
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