Auxiliary tool for machining outer contour of titanium alloy conical flange

Abstract

According to the auxiliary tool for machining the outer contours of the titanium alloy conical flanges, the titanium alloy conical flanges arranged on a mandrel in a sleeving mode are arranged at the two ends of a middle positioning piece correspondingly, and center holes of the two titanium alloy conical flanges are matched with the corresponding ends of the middle positioning piece for positioning; the outer sides of the titanium alloy conical flanges are provided with side positioning pieces which are arranged on the core shaft in a sleeving mode and are matched with center holes of the titanium alloy conical flanges for positioning, the outer ends of the side positioning pieces are provided with nuts which are connected with the external threads at the ends of the core shaft in a matched mode, and the two titanium alloy conical flanges are locked and positioned on the core shaft through the middle positioning pieces, the side positioning pieces and the nuts. And the mandrel is clamped on a numerical control lathe, so that the appearance and end face machining of the two titanium alloy conical flanges clamped on the numerical control lathe at the same time is realized. The machining efficiency is improved, the machining procedure is simplified, the problem that the production efficiency is low due to the fact that only one titanium alloy conical flange can be machined in a traditional machining procedure is solved, the production cycle of the titanium alloy conical flange is shortened, and the machining cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tooling technical field, concretely relates to a kind of auxiliary tool for titanium alloy conical flange outer contour processing. BACKGROUND

[0002] Titanium alloy conical flange blank with conical neck of forging, traditional processing procedure is first clamped titanium alloy conical flange blank left end on ordinary lathe, rough turning contour and right end face, then φ48mm center through hole drilled is bored to φ50mm, after half-precision turning contour, direction is adjusted, ordinary lathe clamps titanium alloy conical flange blank right end, rough turning contour and left end face, then half-precision turning contour and left end face, finally, on precision CNC lathe, it is processed to finished product size, using above processing procedure, only one blank can be processed each time, and processing procedure is complicated, processing efficiency is low, therefore, to solve the above technical problem, it is necessary to design a kind of tooling auxiliary to improve processing efficiency. SUMMARY

[0003] The utility model solves technical problem: provide a kind of auxiliary tool for titanium alloy conical flange outer contour processing, by design including mandrel, intermediate positioning piece and two side positioning pieces, realize the contour and end face processing of two titanium alloy conical flanges under the clamping of numerical control lathe, greatly improve processing efficiency, simplify processing procedure, solve the problem that only titanium alloy conical flange can be processed under traditional processing procedure Single-piece and cause low production efficiency, shorten the production cycle of titanium alloy conical flange, reduce processing cost, bring the processing of titanium alloy conical flange with convenience.

[0004] The utility model employs technical scheme: auxiliary tool for titanium alloy conical flange outer contour processing, including mandrel and the intermediate positioning piece of being sleeved on mandrel, the both ends of intermediate positioning piece are equipped with the titanium alloy conical flange of being sleeved on mandrel, and the center hole of two titanium alloy conical flanges is positioned with the corresponding end of intermediate positioning piece, the side positioning piece of being sleeved on mandrel and being positioned with the center hole of titanium alloy conical flange is equipped on the outside of titanium alloy conical flange, the nut of being connected with the external thread of the end of mandrel is equipped with the outer end of side positioning piece, and two titanium alloy conical flanges are positioned on mandrel by intermediate positioning piece, side positioning piece and nut locking, and mandrel is clamped on numerical control lathe, realize the contour and end face processing of two titanium alloy conical flanges under the clamping of numerical control lathe.

[0005] Wherein, the intermediate positioning piece is the conical sleeve that the outer diameter gradually decreases from middle part to both ends, the end of titanium alloy conical flange towards intermediate positioning piece is sleeved and positioned in the conical section of intermediate positioning piece, realize the axial inner positioning of two titanium alloy conical flanges by intermediate positioning piece.

[0006] Further, the side positioning member is a conical sleeve with a central hole, the small-diameter end of which faces the titanium alloy conical flange, and the large-diameter end of which faces outward, and the small-diameter end of the side positioning member is inserted and positioned in the central hole of the titanium alloy conical flange, so that the side positioning member axially externally positions the titanium alloy conical flange.

[0007] Further, when the intermediate positioning member and the side positioning member are respectively fitted and positioned with the corresponding ends of the titanium alloy conical flange, a pre-tightening distance is left between the intermediate positioning member and the side positioning member.

[0008] Further, the mandrel is in an integrated structure with a central portion being an optical axis and both ends being threaded segments, and the distance between the outer thread roots of the two ends of the mandrel is not greater than the distance between the outer end faces of the two side positioning members.

[0009] Compared with the prior art, the utility model has the advantages that:

[0010] 1. The intermediate positioning member with a sleeve structure whose outer diameter gradually decreases from the middle portion to both ends is used, and the corresponding ends of the two titanium alloy conical flanges are respectively sleeved on the intermediate positioning member, so that reliable positioning of the distance between the two titanium alloy conical flanges is realized, and the required spacing for machining the outer shape and the facing side end faces of the two titanium alloy conical flanges is provided.

[0011] 2. The side positioning member is sleeved on the mandrel and inserted and positioned with the outer end of the central hole of the titanium alloy conical flange, so that axial positioning of the titanium alloy conical flange in the outward moving direction is realized, and when the nut connected with the mandrel is abutted against the side positioning member, reliable clamping of the two titanium alloy conical flanges on the mandrel is completed.

[0012] 3. The technical scheme realizes machining of the outer shape and the end face of the two titanium alloy conical flanges simultaneously clamped on the numerical control lathe, greatly improves the machining efficiency, simplifies the machining process, solves the problem of low production efficiency caused by machining of the titanium alloy conical flanges in single piece in the traditional machining process, shortens the production cycle of the titanium alloy conical flanges, reduces the machining cost, and brings convenience for machining of the titanium alloy conical flanges. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model discloses a structure schematic diagram. DETAILED DESCRIPTION

[0014] The technical scheme in the embodiments of the utility model will be clearly and completely described below. Figure 1 It is obvious that the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0015] It should be noted that, in this document, unless otherwise specified, the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0016] In this document, the terms "comprise", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations. The element defined by the statement "comprises a" does not exclude the presence of another identical element in the process, method, article or device that includes the element.

[0017] The utility model provides a titanium alloy conical flange outer contour processing auxiliary tool, including mandrel 1 and the intermediate positioning piece 2 of sleeve on mandrel 1, both ends of intermediate positioning piece 2 are equipped with titanium alloy conical flange 3 of sleeve on mandrel 1, and the center hole of two titanium alloy conical flanges 3 is positioned with the corresponding end of intermediate positioning piece 2, the outer side of titanium alloy conical flange 3 is equipped with side positioning piece 4 of sleeve on mandrel 1 and with the center hole of titanium alloy conical flange 3 corresponding positioning, the outer end of side positioning piece 4 is equipped with the nut 5 of the external thread of the end of mandrel 1 adaptive connection, and two titanium alloy conical flanges 3 are locked and positioned on mandrel 1 through intermediate positioning piece 2, side positioning piece 4 and nut 5, and mandrel 1 is clamped on numerical control lathe, realizes the appearance and end face processing of two titanium alloy conical flanges 3 under the clamping of numerical control lathe.

[0018] The specific structure of the intermediate positioning member 2 is as follows: the intermediate positioning member 2 is a tapered sleeve with an outer diameter gradually decreasing from the middle to both ends, the titanium alloy tapered flange 3 is sleeved and positioned at one end of the intermediate positioning member 2, and the titanium alloy tapered flange 3 is axially positioned by the intermediate positioning member 2, that is, under the structural positioning of the tapered outer wall of the intermediate positioning member 2, the two titanium alloy tapered flanges 3 cannot move axially towards each other (i.e. inward), thereby achieving axial inward positioning of the two titanium alloy tapered flanges 3; in the above structure, the intermediate positioning member 2 with a sleeve structure with an outer diameter gradually decreasing from the middle to both ends is used, and the two titanium alloy tapered flanges 1 are respectively sleeved on the intermediate positioning member 2, thereby achieving reliable positioning of the distance between the two titanium alloy tapered flanges 1, and providing the required spacing for the machining of the shape and facing of the two titanium alloy tapered flanges 1;

[0019] The specific structure of the side positioning member 4 is as follows: the side positioning member 4 is a tapered sleeve with a central hole, the small-diameter end of which faces the titanium alloy tapered flange 3, and the large-diameter end of which faces outward, and the small-diameter end of the side positioning member 4 is inserted and positioned in the central hole of the titanium alloy tapered flange 3, thereby achieving axial outward positioning of the titanium alloy tapered flange 3 by the side positioning member 4, that is, under the positioning action of the side positioning member 4, the titanium alloy tapered flange 3 cannot move axially outward, thereby achieving axial outward positioning; in the above structure, the side positioning member is arranged on the outside of the titanium alloy tapered flange 3, is sleeved on the mandrel 1, and is inserted into the central hole of the titanium alloy tapered flange 3, thereby achieving axial positioning of the outward movement direction of the titanium alloy tapered flange, and when the nut 5 connected with the mandrel 1 by threads abuts against the side positioning member 4, reliable clamping of the two titanium alloy tapered flanges 3 on the mandrel 1 is completed, and the reliability of the axial positioning of the two titanium alloy tapered flanges 3 is ensured under the action of the tapered outer contour.

[0020] In order to ensure the reliable positioning of the intermediate positioning member 2 and the side positioning member 4, a pre-tightening distance is left between the intermediate positioning member 2 and the side positioning member 4 when the intermediate positioning member 2 and the side positioning member 4 are respectively positioned with the corresponding ends of the titanium alloy tapered flange 3, that is, the left and right end faces of the intermediate positioning member 2 are in a non-contact state with the corresponding end faces of the side positioning member 4, so that the two titanium alloy tapered flanges 3 can be locked and fixed by the intermediate positioning member 2 and the two side positioning members 4 under the locking action of the nut 5.

[0021] The specific structure of the mandrel 1 is as follows: the mandrel 1 is an integral structure with a light shaft in the middle and threaded segments at both ends, the distance between the outer thread roots of the two ends of the mandrel 1 is not greater than the distance between the outer end faces of the two side positioning members 4, that is, the inner end part of the threaded segment of the mandrel 1 needs to be inside the central hole of the side positioning member 4, so that the nut 5 matched with the threaded segment of the mandrel 1 can tightly abut against the side positioning member 4 to provide reliable pre-tightening force.

[0022] The intermediate positioning member with the sleeve structure gradually reducing from the middle part to both ends is used, and the corresponding ends of the two titanium alloy conical flanges are sleeved on the intermediate positioning member, so that the distance between the two titanium alloy conical flanges is reliably positioned, and the required spacing for machining the shapes and the facing end faces of the two titanium alloy conical flanges is provided.

[0023] With the structure in the scheme, the specific machining procedure is as follows: first, clamp the left end of the titanium alloy conical flange blank on a general lathe, roughen the shape and the right end face, then bore the center through hole of φ48mm to φ50mm, and ensure the perpendicularity of the center hole and the end face, clamp the two titanium alloy conical flanges 3 with the tooling, then clamp the tooling on the numerical control lathe, and perform forming machining on the shape and the two end faces of the two titanium alloy conical flanges 3, so that the multiple clamping is reduced, and the production efficiency is improved.

[0024] The technical scheme realizes the shape and end face machining of the two titanium alloy conical flanges 3 clamped on the numerical control lathe at the same time, greatly improves the machining efficiency, simplifies the machining procedure, solves the problem of low production efficiency caused by the single machining of the titanium alloy conical flange 3 in the traditional machining procedure, shortens the production cycle of the titanium alloy conical flange 3, reduces the machining cost, and brings convenience for the machining of the titanium alloy conical flange 3.

[0025] For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A titanium alloy conical flange outer contour machining auxiliary tool, characterized in that: The utility model provides a kind of titanium alloy conical flange clamping device, including mandrel (1) and the intermediate positioning member (2) sleeved on mandrel (1), the intermediate positioning member (2) both ends are equipped with the titanium alloy conical flange (3) sleeved on mandrel (1), and the central hole of two titanium alloy conical flanges (3) is positioned with the intermediate positioning member (2) corresponding end adaptation, the titanium alloy conical flange (3) outside is equipped with the side positioning member (4) sleeved on mandrel (1) and with the central hole of titanium alloy conical flange (3) adaptation positioning, the side positioning member (4) outer end is equipped with the nut (5) with the outer thread of the end of mandrel (1) adaptation connection, and two titanium alloy conical flanges (3) are locked in position on mandrel (1) by intermediate positioning member (2), side positioning member (4) and nut (5), and mandrel (1) is clamped on numerical control lathe, realize the appearance and end surface processing of two titanium alloy conical flanges (3) simultaneously clamped on numerical control lathe.

2. The auxiliary tool for machining the outer contour of a titanium alloy conical flange according to claim 1, characterized in that: The intermediate positioning member (2) is a tapered sleeve with a gradually decreasing outer diameter from the middle to both ends, and the titanium alloy conical flange (3) is sleeved and positioned at one end of the tapered section of the intermediate positioning member (2) towards the intermediate positioning member (2), realizing the axial inner positioning of the intermediate positioning member (2) to the two titanium alloy conical flanges (3).

3. The titanium alloy conical flange outer contour machining auxiliary tooling fixture of claim 1, wherein: The side positioning member (4) is a tapered sleeve with a central hole, and the small-diameter end of the side positioning member (4) is inserted and positioned in the central hole of the titanium alloy conical flange (3), realizing the axial outer positioning of the side positioning member (4) to the titanium alloy conical flange (3).

4. The titanium alloy conical flange outer contour machining auxiliary tooling of claim 1 or 2 or 3, characterized in that: When the intermediate positioning member (2) and the side positioning member (4) are adaptively positioned with the corresponding ends of the titanium alloy conical flange (3), a pre-tightening distance is left between the intermediate positioning member (2) and the side positioning member (4).

5. The auxiliary tool for machining the outer contour of a titanium alloy conical flange according to claim 4, characterized in that: The mandrel (1) is an integrated structure with a central portion as a light shaft and both ends as threaded sections, and the distance between the outer thread roots of both ends of the mandrel (1) is not greater than the distance between the outer end faces of the two side positioning members (4).

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