CN214290891U - Angle-variable turning tool rod for machining deep cavity - Google Patents

Abstract

The utility model relates to a changeable car cutter arbor of angle for processing dark chamber. The lathe tool pole includes: a cutter bar base; a blade holder mounted on the holder base, the blade holder including an elongated blade bar having a blade mounting portion for mounting a blade; and an angle adjustment mechanism that adjusts an angle of the blade mounting portion of the elongated blade bar relative to the bar base.

Description

Angle-variable turning tool rod for machining deep cavity

Technical Field

The utility model relates to a machining makes the field, and more specifically relates to a changeable car cutter arbor of angle.

Background

Turning is one of the most common and important machining methods in machining, is mainly used for machining discs, shafts, rings, casings and other workpieces with rotating surfaces, and is the most widely used type of machine tool machining in machinery manufacturing and repair factories. Turning is mainly performed on a rotating workpiece by using a turning insert, and the turning insert needs to be mounted on a turning tool rod.

With the rapid development of the aviation industry, the requirements on the performance and the weight of an aero-engine are continuously increased, and particularly, the structural design of parts such as a disc, a shaft, a casing and the like tends to be scientific and weight-reduced, and the structure is more and more complex, particularly, the deep cavity design in the parts is designed. As a key link for forming such rotary parts, turning is also a process technology which is continuously updated, and it is urgently needed to design and develop process equipment with stronger universality, higher cost performance, and better installability, detachability and maintainability. In the process of turning a complex area, due to the structural interference of parts, a plurality of special turning tool bars are required to be designed for segmented processing in the traditional processing. The special lathe tool bar has long manufacturing period and high price, and particularly in scientific research trial production, if the special lathe tool bar is designed and manufactured independently, the punctual delivery of products is difficult to ensure, so that the technical field needs a lathe tool bar capable of reducing the number of the special lathe tool bars.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a changeable lathe cutter pole of angle, thereby it can be installed the angle of the blade on the holder through the angle adjustment that the adjustment blade adds the holder after being installed on the lathe, realizes the processing to a plurality of angular directions of part complicated region and need not independent design and make a plurality of lathe cutter poles. Furthermore, the utility model discloses a lathe tool pole is particularly favorable to using in the dark chamber of various parts.

The utility model discloses a changeable lathe tool pole of angle for processing deep cavity can include: a cutter bar base; a blade holder mounted on the holder base, the blade holder including an elongated blade bar having a blade mounting portion for mounting a blade; and an angle adjustment mechanism that adjusts an angle of the blade mounting portion of the elongated blade bar relative to the bar base.

In one or more embodiments, the width of the elongate blade bar may be in the range of 2mm to 16 mm.

In preferred embodiments, the width of the elongate blade bar may be 2mm, 3mm, 4mm, 5mm, 6mm, or 8 mm.

In one or more embodiments, the height of the elongate blade bar can be greater than or equal to 16 mm.

In one or more embodiments, the height of the elongate blade bar may be greater than or equal to the length of the elongate blade bar.

In one or more embodiments, the elongated blade bar may be single symmetrical, single asymmetrical, or complex angled.

In one or more embodiments, the angular adjustment mechanism may include a first adjustment member disposed on the arbor base and a second adjustment member disposed on the blade holder for use in cooperation with the first adjustment member.

In a preferred embodiment, the first adjustment member may include a plurality of first apertures and the second adjustment member may include one or more second apertures, wherein at least one of the one or more second apertures is engaged with at least one of the plurality of first apertures by a fastener.

In a preferred embodiment, the first adjustment member may include one or more first apertures and the second adjustment member may include a plurality of second apertures, wherein at least one of the one or more first apertures is engaged with at least one of the plurality of second apertures by a fastener.

In one or more embodiments, the toolholder base may include a first rotation fitting and the blade holder may include a second rotation fitting, wherein the first rotation fitting and the second rotation fitting may cooperate to combine the toolholder base and the blade holder in a rotatable manner relative to each other.

In a preferred embodiment, the first and second rotational fittings may be clearance fitted to each other.

These and other features and aspects of the present invention will become more apparent from the following detailed description, which proceeds with reference to the accompanying drawings.

Drawings

In order that the invention may be understood in detail, a more particular description of the invention briefly summarized above may be had by reference to embodiments, some of which are illustrated in the appended drawings, wherein like reference numerals have been used, where possible, to designate like elements that are common to the figures, for purposes of promoting understanding. It is to be noted, however, that the appended drawings illustrate only typical embodiments of this invention and are therefore not to be considered limiting of its scope, for the invention may admit to other equally effective embodiments, wherein:

fig. 1 is a perspective schematic view of an exemplary lathe tool bar according to one or more embodiments of the present disclosure.

Fig. 2 is a perspective view of the tool bar base of the exemplary tool bar shown in fig. 1 in accordance with one or more embodiments of the present disclosure.

Fig. 3 is a perspective view of a blade holder of the exemplary lathe tool bar shown in fig. 1, according to one or more embodiments of the present disclosure.

Fig. 4A is a schematic top view of a symmetrical blade bar of a blade holder of a lathe tool bar according to one or more embodiments of the present invention.

Fig. 4B is a schematic top view of a blade bar of a singleton asymmetrical blade bar of a blade holder of a lathe tool bar according to one or more embodiments of the present disclosure.

Fig. 4C is a schematic top view of a complex variable angle blade bar of a blade holder of a lathe tool bar according to one or more embodiments of the present invention.

Fig. 5 is a schematic top view of an exemplary non-uniform distribution of base holes of a tool bar base of a tool bar in accordance with one or more embodiments of the present invention.

Fig. 6 is a schematic top view of the blade bar of the exemplary turning tool bar shown in fig. 1 rotated through various angles in accordance with one or more embodiments of the present disclosure.

Fig. 7 is a schematic view of different application scenarios of the tool bar according to one or more embodiments of the present invention.

It is contemplated that elements of one embodiment of the invention may be beneficially utilized on other embodiments without further recitation.

Detailed Description

The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without some or all of these specific details and therefore the present invention is not limited by the specific embodiments disclosed below. In other instances, well known processes or steps have not been described in detail so as not to unnecessarily obscure the present invention.

Further, it is to be understood that the various embodiments shown in the figures are illustrative and that the figures are not necessarily drawn to scale.

The present invention has been described using specific terms to describe embodiments of the invention. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the invention is included. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the invention may be combined as appropriate.

In this document, unless otherwise specified, technical or scientific terms used in the claims and the specification should have the ordinary meaning as understood by those of ordinary skill in the art to which the present invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item appearing before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalent, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, nor are they restricted to direct or indirect connections.

One or more embodiments of the present invention relate to an angularly variable lathe tool bar for machining deep cavities. The turning tool rod comprises a tool bar base, a blade clamping piece and an angle adjusting mechanism. The blade holder may be mounted on the holder base and may include an elongated blade bar. The elongate blade bar may have a blade mounting portion for mounting a blade. The angle adjustment mechanism may be used to adjust the angle of the blade mounting portion on the elongate blade bar relative to the base of the blade bar.

Exemplary embodiments of the present invention are described in more detail below with reference to the accompanying drawings.

Referring to fig. 1-3, wherein fig. 1 illustrates an exemplary turning tool shank 100 in accordance with one or more embodiments of the present disclosure; FIG. 2 is a perspective view of the toolholder base 1 of the exemplary toolholder 100 shown in FIG. 1; and fig. 3 is a perspective view of the blade holder 2 of the exemplary lathe tool bar 100 shown in fig. 1.

As shown in fig. 1, the turning tool bar 100 may include a bar base 1, a blade holder 2, and an angle adjustment mechanism 3. The toolholder base 1 may include a clamping shank 13 and a blade clamp mounting portion 14, and the blade clamp mounting portion 14 may be located at one end of the clamping shank 13 for seating the blade clamp 2, as shown in fig. 2. The blade holder 2 can include a main body mount 24 and an elongated blade bar 25 extending outwardly from the main body mount 24, and the elongated blade bar 25 can have a blade mount 23 for mounting a blade, as shown in fig. 3. Further, the insert holder mounting portion 14 of the toolholder base 1 may be provided with a plurality of base apertures 12 and the body mounting portion 24 of the insert holder 2 may be provided with one or more holder apertures 22 that may cooperate with the plurality of base apertures 12 on the insert holder mounting portion 14. Alternatively, one or more base apertures 12 may be provided in the insert holder mounting portion 14 of the toolholder base 1 and a plurality of holder apertures 22 may be provided in the body mounting portion 24 of the insert holder 2 that may cooperate with the one or more base apertures 12 in the insert holder mounting portion 14. The base aperture 12 on the insert holder mounting portion 14 and the holder aperture 22 on the body mounting portion 24 can be used in cooperation, as described below with reference to fig. 6, to form the angular adjustment mechanism 3. In other alternative embodiments of the present invention, other angular adjustment mechanisms may be used.

In the example shown in fig. 1, the toolholder base 1 and the insert holder 2 may be secured together via a fastener 4, such as a screw, bolt, pin, or the like, by at least one of the base holes 12 on the insert holder mounting portion 14 and at least one of the holder holes 22 on the body mounting portion 24 in cooperation therewith. In other examples, a separate mounting member may be additionally provided to fix the blade holder 2 to the holder base 1.

As shown in fig. 1 and 2, the clamping shank 13 of the holder base 1 may be provided in a substantially rectangular parallelepiped shape, and a cross section thereof in a transverse direction perpendicular to a longitudinal direction from the clamping shank 13 to the clamping member mounting portion 14 may have dimensions such as 40mm × 40mm, 32mm × 25mm, and the like. However, in other examples, the clamping shank 13 may be substantially square, conical, cylindrical, or any other suitable shape. Further, as shown, the insert holder mounting portion 14 of the arbor base 1 may be provided in a disc shape, which may have a diameter of, for example, 100mm, 80mm, or the like. In other examples, the blade holder mounting portion 14 may also be generally semi-circular, scalloped, or any other suitable shape. The clamping shank 13 and the blade clamping member mounting portion 14 may be integrally formed or may be separately designed and manufactured and assembled together. The blade holder mounting portion 14 may be recessed, flush, or convex relative to the holder shaft 13. Preferably, the blade holder mounting portion 14 may be sunk to the same height relative to the holder shank 13 as the thickness of the body mounting portion 24 of the blade holder 2, so that the lathe tool bar 100 has a substantially horizontal top surface after the mounting is completed.

As shown in fig. 1 and 3, the body mounting portion 24 of the blade holder 2 may be provided in a disc shape, which may be the same or different in diameter from the blade holder mounting portion 14 of the arbor base 1, which may be, for example, 99mm, 79mm, etc. Preferably, the diameter of the body mount 24 may differ from the diameter of the blade holder mount 14 by 1-3 mm. However, in other examples, the body mount 24 may be generally semi-circular, scalloped, or any other suitable shape.

Still referring to fig. 1 and 3, the width W of the elongate blade bar 25 of the blade holder 2 may generally be in the range of, for example, 2mm to 16mm in embodiments. Preferably, the width W of the elongate blade bar 25 may be 2mm, 3mm, 4mm, 5mm, 6mm, or 8 mm. Further, the height H of the elongate blade bar 25 may generally be greater than or equal to, for example, 16 mm. The length L of the elongate blade bar 25 can be determined based on the depth of the part machining location. In preferred embodiments, the height H of the elongate blade bar 25 can be greater than or equal to the length L of the elongate blade bar 25. Additionally, in various embodiments, the elongate blade bar 25 may be more or less symmetrical (as shown in fig. 4A), more or less asymmetrical (as shown in fig. 4B), or more or less angularly variable (as shown in fig. 4C).

As shown in fig. 1 and 3, on an end of the elongate blade bar 25 remote from the main body mount 24, a blade mount 23 may be provided for mounting a blade. However, in other examples, the blade mount 23 may be disposed at any suitable other location on the elongate blade bar 25. Further, the insert mounting portion 23 may be designed and manufactured accordingly depending on the structure of the insert to be mounted.

As with the holder base 1, the body mount 24 and the elongated blade bar 25 of the blade holder 2 may be integrally formed or may be separately designed and manufactured and assembled together.

As shown in fig. 1 to 3, the base hole 12 in the holder base 1 and the holder hole 22 in the insert holder 2 for cooperation with the base hole 12, which constitute the angle adjusting mechanism 3, are each set to twelve. However, in other examples, the base aperture 12 and the gripper aperture 22 may each be provided in any suitable other number, such as one, three, four, six, nine, ten, and so forth. Further, in embodiments, the number of base apertures 12 and gripper apertures 22 may be the same or different. In the example shown in fig. 1-3, the base bore 12 and the gripper bore 22 may be evenly spaced at 30 ° intervals about the central axis of the insert gripper mounting portion 14 and the body mounting portion 24, respectively. However, in other examples, the base apertures 12 and the gripper apertures 22 may not be distributed about the central axis, and may even be arranged in any suitable other pattern as desired, including a uniform arrangement (similar to that shown in fig. 1-3) and a non-uniform arrangement (such as that shown in fig. 5).

In a preferred embodiment, the base holes 12 and the gripper holes 22 of the angle adjusting mechanism 3 may be set to 3 or more and evenly distributed. This is advantageous in improving the clamping rigidity and the machining stability of the blade bar 25.

In an embodiment, the base aperture 12 and the gripper aperture 22 may both be provided as threaded apertures; or both can be arranged as pin positioning holes; it is also possible to provide one or more of the base holes 12 as threaded holes and the remainder as pin locating holes, and in cooperation therewith, one or more of the gripper holes 22 as threaded holes and the remainder as pin locating holes.

Further, the holder base 1 of the lathe holder 100 shown in fig. 1 may include a rotation fitting 11, and the blade holder 2 may further include a rotation fitting 21. The rotary fitting 11 and the rotary fitting 21 may be clearance fitted to each other, so that the holder base 1 and the blade holder 2 may be combined together in a rotatable manner with respect to each other. In an embodiment, the fit clearance between the rotation fitting 11 and the rotation fitting 21 may be set to be, for example, not more than 0.1mm, such as in the range of 0.03mm to 0.06 mm. In the example shown in fig. 1, the rotation fitting 11 is a precision rotation center shaft, and the rotation fitting 21 is a precision positioning hole provided correspondingly. However, in some other examples, the rotation fitting 21 may be provided as a rotation center shaft, and the rotation fitting 11 may be provided as a positioning hole correspondingly provided; alternatively, the rotation fitting 11 and the rotation fitting 21 may be provided as any other rotation fitting that can be used in cooperation with each other.

Referring now to fig. 6, fig. 6 illustrates a top view of the blade bar 25 of the exemplary tool bar 100 shown in fig. 1 rotated through various angles. When mounting the blade holder 2 to the toolholder base 1, the blade bar 25 of the blade holder 2 may be positioned by at least one fastener 4 in a position such as 2-a1 as shown in fig. 6. Preferably, at least 3 fasteners 4 may be used to position the blade bar 25. During the machining of a part, when it is desired to change the angle of the blade bar 25 relative to the toolholder base 1, it is only necessary to loosen the fastener 4 and rotate the blade holder 2 to a desired angle (e.g., any one of the positions 2-a2, 2-A3, 2-a4, 2-a5, 2-a6, 2-a7 shown in fig. 6), and then secure the blade holder 2 to the toolholder 1 using the fastener 4 through the base hole 12 in the toolholder base 1 and the holder hole 22 in the blade holder 2, so that the machining of a part at another angle of the lathe toolholder 100 can be achieved.

When the lathe tool holder 100 is mounted, the tool holder base 1 may be mounted on the lathe tool holder, the blade holder 2 may be mounted on the tool holder base 1, and the blade may be mounted on the blade mounting portion 23. However, the order of mounting the tool bit shank 100 is not limited thereto, and in other embodiments, multiple of these mounting steps may be performed in a different order or simultaneously.

Fig. 7 shows a schematic diagram of a turning tool shank (e.g., turning tool shank 100) being machined in four differently configured deep cavities, in accordance with one or more embodiments of the present disclosure. Due to the different configurations of the four deep cavities shown in the figures, it is conventionally necessary to design and manufacture a tool shank that conforms to each deep cavity. Utilize the utility model discloses a changeable car cutter arbor of angle can only need set up the base hole of suitable quantity simply and add a hole, can utilize a lathe cutter pole to solve the processing of part complex region and need not the independent design and make a plurality of car cutter poles. This greatly reduces the processing cost and shortens the processing cycle. And simultaneously, the utility model discloses a lathe tool pole is also convenient for reform transform, can add the base hole and add a hole and can realize new processing angle fast through add the required position on cutter arbor base and blade add the holder simply.

Furthermore, will the utility model discloses a lathe tool rod is installed on the lathe after, can realize the processing of a plurality of angle directions through rotatory blade with holding, this has solved because the tool setting is limited and can't just accomplish the problem of complicated parts machining in batches through the tool setting of once installing.

In some alternative embodiments of the present invention, the angle change of the blade bar 25 of the lathe tool bar can be realized by using a locking screw having an angle adjusting function. A lock screw rotatably secures the arbor base and blade holder together at a central location thereof. By rotating the blade holder about the central locking screw, adjustment of the angle of the blade bar can be achieved. Such an embodiment may allow for a smaller granularity of angular adjustment than the previously described embodiments using cooperating holes and fasteners secured therethrough, but may also be correspondingly more costly and less stable than the previously described embodiments using holes.

In other alternative embodiments of the present invention, under the condition that the machining requirement is relatively not high, a plurality of threaded holes may be simply provided on the circumference of the cutter bar base, and accordingly, the blade holding member may include only the blade bar, and a screw may be provided on the end surface of the other end of the blade bar opposite to the one end on which the blade is mounted. During installation, the threaded rod on the blade bar may be threaded into one of the threaded holes in the base of the holder. When the machining angle needs to be changed, the blade rod can be screwed out, and then a proper threaded hole is selected for screwing in.

The utility model discloses a changeable car cutter arbor of angle for processing deep cavity can design different structures, different specifications, different angles, the difference adds standardization, the seriation product of holding the structure.

It should be noted that in the foregoing description of embodiments of the present application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, embodiments may have fewer than all of the features of a single embodiment disclosed above.

In describing these embodiments in detail, this specification may not necessarily describe all features of an actual embodiment in a detailed description for the sake of brevity. It will of course be appreciated that in the development of any such actual implementation, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another. Moreover, it will be further appreciated that, although such a development effort might be complex and tedious, it will be appreciated that many variations in design, manufacture, or manufacture may be resorted to, being part of the routine skill in the art having the benefit of this disclosure, without the teaching of this disclosure.

While the present application has been described with reference to the particular illustrative embodiments, it will be understood by those skilled in the art that the foregoing embodiments are illustrative only, and are not limiting, and various changes and substitutions of equivalents may be made without departing from the spirit of the application, and thus, it is intended that all changes and modifications to the above-described embodiments be within the spirit and scope of the claims of the application.

Claims (10)

1. A variable angle lathe tool bar for machining deep cavities, comprising:

a cutter bar base (1);

a blade holder (2), said blade holder (2) being mounted on said holder base (1), said blade holder (2) comprising an elongated blade bar (25), said elongated blade bar (25) having a blade mounting portion (23) for mounting a blade; and

an angle adjustment mechanism (3), the angle adjustment mechanism (3) adjusting an angle of the blade mounting portion (23) of the elongated blade bar (25) relative to the bar base (1).

2. The turning tool bar according to claim 1, characterized in that the width of the elongated blade bar (25) is in the range of 2mm to 16 mm.

3. The turning tool bar according to claim 2, characterized in that the width of the elongated blade bar (25) is 2mm, 3mm, 4mm, 5mm, 6mm, or 8 mm.

4. The turning tool bar according to any one of claims 1-3, characterized in that the height of the elongated blade bar (25) is greater than or equal to 16 mm.

5. The turning tool bar according to claim 1, characterized in that the height of the elongated blade bar (25) is greater than or equal to the length of the elongated blade bar (25).

6. The turning tool bar according to claim 1, characterized in that the elongated blade bar (25) is of the single symmetrical, single asymmetrical or complex angled type.

7. The turning tool shank according to claim 1, characterised in that the angle adjustment mechanism (3) comprises a first adjustment member (12) arranged on the shank base (1) and a second adjustment member (22) arranged on the insert holder (2) for cooperation with the first adjustment member (12).

8. The lathe tool bar according to claim 7,

the first adjustment member (12) includes a plurality of first apertures and the second adjustment member (22) includes one or more second apertures, wherein at least one of the one or more second apertures is engaged with at least one of the plurality of first apertures by a fastener; or

The first adjustment member (12) includes one or more first holes and the second adjustment member (22) includes a plurality of second holes, wherein at least one of the one or more first holes is engaged with at least one of the plurality of second holes by a fastener.

9. The turning tool shank according to any one of claims 1, 7 or 8, characterized in that the tool holder base (1) comprises a first rotation fitting (11) and the insert holder (2) comprises a second rotation fitting (21), wherein the first rotation fitting (11) and the second rotation fitting (21) cooperate with each other to combine the tool holder base (1) and the insert holder (2) in a rotatable manner relative to each other.

10. The turning tool rod according to claim 9, characterized in that the first rotation fitting (11) and the second rotation fitting (21) are clearance fitted to each other.

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