CN218135017U

CN218135017U - Multipurpose inner hole turning tool

Info

Publication number: CN218135017U
Application number: CN202220709563.8U
Authority: CN
Inventors: 刘元达
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-12-27
Anticipated expiration: 2032-03-29

Abstract

The utility model provides a multipurpose hole turning cutter, cutter are installed on the cutter saddle of lathe, and the inboard side of cutter pastes tight cutter saddle inboard, and the cutter includes blade, blade holder and cutter arbor, and the blade holder is fixed on the cutter saddle, and the cutter arbor is rotatably installed on the blade holder, and blade detachably installs at the cutter arbor front end. Because the utility model discloses a cutter arbor intensity of cutter is better, conveniently changes the blade, can process the hole of different grade type, for production has improved machining efficiency, has improved the work piece quality simultaneously, has reduced the waste, has practiced thrift cost etc..

Description

Multipurpose inner hole turning tool

Technical Field

The utility model relates to a machining technology field specifically says so and relates to a multipurpose hole turning cutter.

Background

In the mechanical manufacturing, the inner hole threads, particularly the trapezoidal threads, are machined according to different drawing requirements, the inner holes required to be machined are different in length, different in thread pitch and different in hole diameter, different turning tools are required to be sharpened according to the drawing, the turning tools are sharpened due to the fact that the cutter body and the cutter are made of the same material, whether the cutter body interferes or not is considered when the turning tools are sharpened, the preparation time is prolonged, in application, due to the fact that the cutter body is more in sharpening, the strength of the cutter body is reduced, the turning is easy to shake, and the inner hole threads cannot meet the expected requirements. Therefore, the problems of low turning efficiency, substandard workpiece quality and the like can be caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multipurpose hole turning cutter has solved the problem that turning is inefficiency, work piece quality is not up to standard among the prior art.

The utility model provides a multipurpose hole turning cutter, cutter are installed on the cutter saddle of lathe, and the inboard side of cutter pastes tight cutter saddle inboard, and the cutter includes blade, blade holder and cutter arbor, and the blade holder is fixed on the cutter saddle, and the cutter arbor is rotatably installed on the blade holder, and blade detachably installs at the cutter arbor front end.

Preferably, the cutter bar is rotatably sleeved in the mounting groove of the cutter holder, and the extension length of the cutter bar extending out of the mounting groove can be adjusted.

Preferably, a center line is arranged on the cutter bar, and an angle mark is arranged on the periphery of the mounting groove and used for adjusting the rotation angle of the cutter bar according to the corresponding relation between the center line and the angle mark.

Preferably, the front end of the cutter bar is provided with a fixing groove in which the cutter blade is detachably mounted by a fastening member.

Preferably, the inner side of the mounting groove is communicated with the inner side face of the cutter holder through an open groove, a pressing piece is arranged on the cutter holder, and when the pressing piece presses the open groove, the cutter bar is in interference fit with the inner wall of the mounting groove.

Preferably, the cutter bar is provided with a length mark for adjusting the extending length.

Preferably, the tool holder comprises a mounting head at the front end of the tool holder, and a tool holder body, the mounting head is used for mounting the blade, and the mounting head extends to the surface of the tool holder body to form a chip removal surface.

The utility model discloses a two liang of detachably of blade, cutter arbor, blade holder are connected, and like this, the cutter arbor does not need the sharpening during use, can ensure the bulk strength of cutter, shakes the sword when preventing the turning to can ensure the processingquality of hole screw thread. In addition, the tool bit can be changed, and the blade of damage or different grade type can be changed to reduce the cost of changing the cutter, change other types of blade, multiple hole can be processed, for example hole triangular screw thread, hole trapezoidal thread, inner bore groove, hole boring cutter etc.. The cutter arbor can rotate, and the angle of adjustable cutter arbor when rough turning reduces the cutter anterior angle, protects the blade better, reduces wearing and tearing, also adjustable cutter arbor angle when finish turning can increase the cutter anterior angle, the chip removal better. Because the utility model discloses a cutter arbor intensity of cutter is better, conveniently changes the blade, can process the hole of different grade type, for production has improved machining efficiency, has improved the work piece quality simultaneously, has reduced the waste, has practiced thrift cost etc..

Drawings

Fig. 1 is an inside side view of the overall structure of the multipurpose inner hole turning tool in the embodiment of the present invention.

FIG. 2 is a top view of the overall construction of the multi-purpose bore turning tool shown in FIG. 1.

Wherein the reference numerals are: 10. a blade, 20, a tool holder; 22. identifying an angle; 23. an open slot; 30. A cutter bar; 31. a centerline; 32. length identification; 33. a mounting head; 34. a chip removal surface; 35. a fixing groove; 36. a fastener.

Detailed Description

In order to more clearly illustrate the technical features of the present invention, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The utility model provides a multipurpose hole turning cutter, cutter are installed on the carriage of lathe, and the inboard side of cutter pastes tight carriage inboard, and the cutter includes blade 10, blade holder 20 and cutter arbor 30, and blade holder 20 fixes on the carriage, and cutter arbor 30 rotatably installs on blade holder 20, and blade 10 detachably installs at the 30 front ends of cutter arbor.

The utility model discloses a two liang of detachably of blade 10, cutter arbor 30, blade holder 20 are connected, like this, and cutter arbor 30 does not need the sharpening during use, can ensure the bulk strength of cutter, shakes the sword when preventing the turning to can ensure the processingquality of hole screw thread. In addition, the blade 10 can be replaced, and damaged or different types of blades 10 can be replaced, so that the cost of replacing the cutter is reduced, and various inner holes can be processed, such as inner hole triangular threads, inner hole trapezoidal threads, inner hole grooves, inner hole boring cutters and the like, by replacing other types of blades 10. The cutter bar 30 can rotate, the angle of the cutter bar 30 can be adjusted during rough turning to reduce the front angle of the cutter, the blade 10 is better protected, abrasion is reduced, the angle of the cutter bar 30 can also be adjusted during finish turning, the front angle of the cutter can be increased, and chips can be better removed. Because the utility model discloses a cutter arbor 30 intensity of cutter is better, conveniently changes blade 10, can process the hole of different grade type, for production has improved machining efficiency, has improved workpiece quality simultaneously, has reduced the waste, has practiced thrift cost etc..

In one embodiment, the tool bar 30 is rotatably disposed in the mounting groove of the tool holder 20, and the extension length of the tool bar 30 extending out of the mounting groove can be adjusted. Preferably, the inner side of the mounting groove is communicated with the inner side surface of the tool holder 20 through an open groove 23, a pressing member is arranged on the tool holder 20, and when the pressing member presses the open groove 23, the tool bar 30 is in interference fit with the inner wall of the mounting groove. In one embodiment, when the tool is mounted on the tool holder of a lathe, screws of the tool holder are used to mount the two ends of the tool holder 20 such that one side of the arc of the tool holder 20 faces outward and the opposite side of the arc abuts against the inside of the tool holder. The inner side surface of the tool apron 20 is a plane, so that clamping is convenient, and the outer side surface of the tool apron 20 is an arc surface, so that a worker can be prevented from being injured by colliding during use. Before the cutter is installed on a lathe, the extension length of the cutter bar 30 is adjusted according to the length of an inner hole to be machined, the front angle of the cutter is adjusted according to rough turning or finish turning of the cutter bar 30, then the open groove 23 is pressed tightly, and the cutter bar 30 is fixed in the installation groove. In one embodiment, the slots 23 can be compressed by bolts, and in particular, the insert holder 20 can be provided with bolt holes extending through the upper and lower portions thereof near the inner side surface thereof, and the bolts can be tightened in the bolt holes to compress the slots 23.

In one embodiment, a center line 31 is provided on the cutter bar 30, and an angle indicator 22 is provided on the periphery of the mounting groove, for adjusting the rotation angle of the cutter bar 30 according to the corresponding relationship between the center line 31 and the angle indicator 22. The cutter bar 30 can rotate, the rotating angle of the cutter bar 30 can be adjusted during rough turning to reduce the front angle of the cutter, the cutter 10 is better protected, abrasion is reduced, the rotating angle of the cutter bar 30 can also be adjusted during finish turning, the front angle of the cutter can be increased, and chips can be better removed. In one embodiment, the angle indicator 22 may include an angle range indicator and a transition line, when the centerline 31 of the toolholder 30 is rotated clockwise across the transition line and the centerline 31 is within the angle range indicator, the tool rake angle is small, suitable for rough turning, and when the centerline 31 of the toolholder 30 is rotated counterclockwise across the transition line and the centerline 31 is within the angle range indicator, the tool rake angle is large, suitable for finish turning.

In one embodiment, the front end of the arbor 30 is provided with a seating groove 35, and the blade 10 is detachably mounted in the seating groove 35 by a fastening member 36. In a specific embodiment, the fixing groove 35 may be a square hole, and a bolt hole communicating with the square hole is formed on an end surface of the front end of the cutter bar 30, and a bolt may be screwed into the bolt hole to fix the blade 10. The blade 10 with good sharpening can be clamped at the square hole and fastened by a screw, and then an inner hole can be machined. The square hole position can be changed other types of inserts 10 so that different types of bores can be machined, such as bore triangular threads, bore trapezoidal threads, bore grooves, bore boring cutters and the like.

In one embodiment, the tool bar 30 is provided with a length indicator 32 for adjusting the extension length. Specifically, length scale marks can be arranged on the cutter bar 30, and the extension length of the cutter bar 30 extending out of the mounting groove can be determined according to the corresponding relation between the front end face of the cutter holder 20 and the length scale marks, so that the extension length can be adjusted in advance according to the length of an inner hole to be machined as required.

In one embodiment, the tool bar 30 comprises a mounting head 33 at the front end of the tool bar 30, and a body of the tool bar 30, the mounting head 33 is used for mounting the blade 10, and the surface of the mounting head 33 extending to the body of the tool bar 30 has a chip removing surface 34. The mounting head 33 may be wedge-shaped, and the wedge-shaped mounting head 33 and the body of the tool holder 30 form an inclined chip removal surface 34 for facilitating removal of chips.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims

1. The utility model provides a multipurpose hole turning cutter, the cutter is installed on the carriage of lathe, the inboard side of cutter pastes the carriage inboard, its characterized in that includes blade, blade holder and cutter arbor, the blade holder is fixed on the carriage, the cutter arbor is rotatably installed on the blade holder, the blade detachably installs in the cutter arbor front end.

2. The multi-purpose bore turning tool of claim 1, wherein said shank is rotatably received in a mounting groove of said seat and is adjustable for extension out of said mounting groove.

3. The multipurpose inner hole turning tool as claimed in claim 2, wherein a center line is provided on the tool bar, and an angle mark is provided on the circumference of the mounting groove for adjusting the rotation angle of the tool bar according to the corresponding relationship between the center line and the angle mark.

4. The multi-purpose bore turning tool of claim 3, wherein the forward end of the shank is provided with a retention slot in which the blade is removably mounted by a fastener.

5. The multipurpose inner hole turning tool as claimed in claim 4, wherein the inner side of the mounting groove is communicated with the inner side surface of the tool holder through an open groove, the tool holder is provided with a pressing member, and when the pressing member presses the open groove, the tool bar is in interference fit with the inner wall of the mounting groove.

6. The multi-purpose bore turning tool of claim 5, wherein said shank is provided with a length indicator for adjusting said extension.

7. The multi-purpose bore turning tool of any one of claims 1 to 6, wherein the tool holder includes a mounting head at the front end of the tool holder, and a body, the mounting head being adapted to mount an insert, and the mounting head extending to a surface of the body having a chip surface.