CN216881764U

CN216881764U - Plug-in adjustable boring cutter mechanism

Info

Publication number: CN216881764U
Application number: CN202123316985.3U
Authority: CN
Inventors: 刘俊超; 鲍成龙; 严伟宏
Original assignee: Shanghai New Yamada Precision Tools Co ltd
Current assignee: Shanghai New Yamada Precision Tools Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-05
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses an insertion type adjustable boring cutter mechanism which comprises a boring cutter body and a boring cutter blade seat, wherein a mounting hole channel for fixedly mounting the boring cutter blade seat is arranged at the head end of the boring cutter body, the boring cutter body is provided with a main axis, the mounting hole channel is provided with a secondary axis, an included angle is formed between the secondary axis and the main axis, and a detachable boring cutter blade is arranged at the head end of the boring cutter blade seat. The technical scheme of the utility model adopts the inserted boring cutter to change the size of the main deflection angle according to the processed material, manufacture smaller blade seats according to the size of the aperture of the processed product, and adopt a coarse-fine screw to slightly adjust the diameter of the cutter. The design structure and the adjustment operation are simple, the requirement on the used operators is low, and batch production can be realized.

Description

Plug-in adjustable boring cutter mechanism

Technical Field

The utility model belongs to the technical field of machining and manufacturing, relates to a boring cutter mechanism, and particularly relates to an insertion type adjustable boring cutter mechanism.

Background

Most of the existing boring cutters are mounted with fixed cutter clamps or directly mounted with blade type indexable boring cutters, and other high-end cutters are mounted with precision boring heads with scales. The fixed blade mounting type boring tool and the blade mounting type indexable boring tool have the advantages that the structure is simple, the size cannot be adjusted, the required size cannot be machined due to the problems of the precision of a machine tool, a clamp and the like in the machining process, and even if products can be machined, the rejection rate is high. If the fine boring unit with the dial is adopted, the fine boring unit with the scale can be used when the bore diameter is larger than phi 25, the fine boring unit with the scale cannot be used when the bore diameter is smaller than phi 25, and meanwhile, the requirement on operators is high, and the requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an insertion type adjustable boring cutter mechanism to solve the deficiencies in the prior art.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides an inserted adjustable boring cutter mechanism, includes boring cutter body and boring cutter blade seat, the head end of boring cutter body is equipped with the installation pore that is used for fixed mounting the boring cutter blade seat, the boring cutter body has the main axis, the installation pore has the secondary axis, the secondary axis forms the contained angle with the main axis, the head end detachable boring cutter piece that is connected with of boring cutter blade seat.

The plug-in type adjustable boring cutter mechanism also comprises an adjusting screw, the mounting hole channel is provided with a stop wall, and the adjusting screw partially penetrates through the stop wall to be in threaded connection with the tail end of the boring cutter blade seat.

According to the plug-in type adjustable boring cutter mechanism, the stop wall divides the mounting hole channel into a front hole channel and a rear hole channel, the hole diameter of the front hole channel is larger than that of the rear hole channel, the boring cutter blade seat enters the front hole channel of the mounting hole channel, and the adjusting screw enters the rear part of the mounting hole channel from the rear hole channel of the mounting hole channel and penetrates through the stop wall to be in threaded connection with the tail end of the boring cutter blade seat.

According to the plug-in type adjustable boring cutter mechanism, the outer wall surface of the stop wall is flush with the outer wall surface of the boring cutter body, and the adjusting screw penetrates through the stop wall from the position of the tail end of the mounting hole channel, enters the mounting hole channel and is in threaded connection with the tail end of the boring cutter blade seat.

According to the plug-in type adjustable boring cutter mechanism, the side wall of the mounting hole channel is provided with a first mounting hole, and the side wall of the boring cutter blade seat is provided with a second mounting hole matched with the position of the first mounting hole.

The technical scheme of the utility model has the beneficial effects that:

the size of the main deflection angle can be changed according to the processed material by adopting the inserted boring cutter, a smaller blade seat is manufactured according to the aperture of the processed product, and the diameter of the cutter is micro-adjusted by adopting a screw with thick and thin teeth. The design structure and the adjustment operation are simple, the requirement on the used operators is low, and batch production can be realized.

Drawings

To further illustrate the above objects, structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of an insertion type adjustable boring tool mechanism according to a preferred embodiment of the present invention;

FIG. 2 is a front view of a boring tool insert holder in accordance with a preferred embodiment of the present invention;

FIG. 3 is a top view of a boring tool insert holder in accordance with a preferred embodiment of the present invention;

in the figure: 1. boring a cutter body; 2. a boring cutter blade holder; 3. installing a pore channel; 4. a main axis; 5. a minor axis; 6. boring a blade; 7. adjusting screws; 8. a cut-off wall; 9. fixing screws; 10. and locking the screw.

Detailed Description

The utility model is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

Referring to fig. 1, 2 and 3, the plug-in adjustable boring cutter mechanism of the utility model comprises a boring cutter body 1 and a boring cutter blade seat 2, wherein a mounting hole channel 3 for fixedly mounting the boring cutter blade seat 2 is arranged at the head end of the boring cutter body 1, the boring cutter body 1 is provided with a main axis 4, the mounting hole channel 3 is provided with a secondary axis 5, the secondary axis 5 forms an included angle with the main axis 4, and the head end of the boring cutter blade seat 2 is detachably connected with a boring cutter blade 6.

In a preferred embodiment, the plug-in adjustable boring cutter mechanism further comprises an adjusting screw 7, the mounting hole 3 is provided with a stopping wall 8, and the adjusting screw 7 is partially threaded through the stopping wall 8 and is connected with the tail end of the boring cutter blade seat 2. The adjusting screw 7 is preferably a coarse and fine adjusting screw.

In a preferred embodiment with respect to the location of the stopping wall 8, as shown in fig. 1, the stopping wall 8 divides the mounting hole 3 into a front hole and a rear hole, the hole diameter of the front hole is larger than that of the rear hole, the boring cutter insert holder 2 enters the front hole of the mounting hole 3, and the adjusting screw 7 enters the rear part from the rear hole of the mounting hole 3 and penetrates through the stopping wall 8 to be in threaded connection with the tail end of the boring cutter insert holder 2. In this embodiment the adjusting screw 7 is fully inserted into the mounting channel 3.

In another preferred embodiment with respect to the position of the stop wall 8, the outer wall surface of the stop wall 8 is flush with the outer wall surface of the boring cutter body 1, and the adjusting screw 7 penetrates the stop wall 8 from the position of the tail end of the mounting hole 3, enters the mounting hole 3 and is screwed with the tail end of the boring cutter insert holder 2. In the present embodiment, the tail end of the adjusting screw 7 is exposed to the mounting hole 3.

The side wall of the mounting hole channel 3 is provided with a first mounting hole, the side wall of the boring cutter blade seat 2 is provided with a second mounting hole matched with the position of the first mounting hole, and the boring cutter blade seat 2 is fixedly mounted on the mounting hole channel 3 after sequentially penetrating through the second mounting hole and the first mounting hole through a fixing screw 9.

An included angle formed by the secondary axis 5 and the main axis 4 is a main deflection angle, a plurality of mounting pore channels 3 with different main deflection angles can be arranged on the same boring cutter body 1, or a plurality of boring cutter bodies 1 with different main deflection angles are adopted for processing, and the diameter of the cutter is slightly adjusted by adjusting an adjusting screw 7. A smaller blade seat is manufactured according to the aperture of a processed product, and a boring hole smaller than phi 25 can be used, so that various requirements are met.

During assembly, the boring cutter blade seat 2 is fixedly arranged on the mounting hole channel 3, the adjusting screw 7 partially penetrates through the stop wall 8 to be in threaded connection with the tail end of the boring cutter blade seat 2, and the boring cutter blade 6 is fixed on the head end, exposed out of the mounting hole channel 3, of the boring cutter blade seat 2 through a locking screw 10. And adjusting the adjusting screw 7 to slightly adjust the diameter of the cutter, and locking an external cutter holder fixing screw after adjusting to the size of a required product to perform boring chip processing.

The technical scheme of the utility model adopts the inserted boring cutter to change the size of the main deflection angle according to the processed material, manufacture smaller blade seats according to the size of the aperture of the processed product, and adopt a coarse-fine screw to slightly adjust the diameter of the cutter. The design structure and the adjustment operation are simple, the requirement on the used operators is low, and batch production can be realized.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. The plug-in type adjustable boring cutter mechanism is characterized by comprising a boring cutter body (1) and a boring cutter blade seat (2), wherein a mounting hole channel (3) for fixedly mounting the boring cutter blade seat (2) is formed in the head end of the boring cutter body (1), the boring cutter body (1) is provided with a main axis (4), the mounting hole channel (3) is provided with a secondary axis (5), an included angle is formed between the secondary axis (5) and the main axis (4), and the head end of the boring cutter blade seat (2) is detachably connected with a boring cutter blade (6).

2. The plug-in adjustable boring tool mechanism as claimed in claim 1, further comprising an adjusting screw (7), wherein the mounting bore (3) has a cut-off wall (8), and the adjusting screw (7) is partially threaded through the cut-off wall (8) and is connected with the tail end of the boring tool insert seat (2).

3. The plug-in adjustable boring cutter mechanism according to claim 2, characterized in that the stop wall (8) divides the mounting tunnel (3) into a front tunnel and a rear tunnel, the aperture of the front tunnel is larger than that of the rear tunnel, the boring cutter blade holder (2) enters the front tunnel of the mounting tunnel (3), and the adjusting screw (7) enters the rear part from the rear tunnel of the mounting tunnel (3) and penetrates through the stop wall (8) to be in threaded connection with the tail end of the boring cutter blade holder (2).

4. The inserted adjustable boring tool mechanism as claimed in claim 2, characterized in that the outer wall surface of the stop wall (8) is flush with the outer wall surface of the boring tool body (1), and the adjusting screw (7) partially penetrates through the stop wall (8) from the position of the tail end of the mounting hole (3) and is screwed with the tail end of the boring tool insert seat (2) after entering the mounting hole (3).

5. The mechanism of claim 1, characterized in that the side wall of the mounting hole (3) is provided with a first mounting hole, and the side wall of the boring cutter insert seat (2) is provided with a second mounting hole matched with the first mounting hole.