CN211489674U

CN211489674U - Novel stepped boring cutter

Info

Publication number: CN211489674U
Application number: CN201921832753.3U
Authority: CN
Inventors: 陈才富
Original assignee: Foshan Ekort Precision Diamond Tools Co ltd
Current assignee: Foshan Ekort Precision Diamond Tools Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-09-15
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a novel ladder boring cutter, including handle of a knife and spliced pole, the left end and the spliced pole integrated into one piece of handle of a knife, the bottom of cutter body is equipped with first boring machining mechanism and second boring machining mechanism, first boring machining mechanism passes through the bolt fastening in the lower left corner position of cutter body, the right side of first boring machining mechanism and second boring machining mechanism is all laminated and is had a stopper, two stopper and cutter body looks rigid coupling. This novel ladder boring cutter, cooperation through first PCD blade and second PC end blade, realized not changing the processing that carries out the shoulder hole of cutter, the process flow has been shortened, effect through first regulating block and second regulating block makes the machining radius finely tune, can satisfy bigger process range, because first boring processing agency and second boring processing agency all are at the homonymy, make the tool withdrawal more smooth, reduce the machined surface and scraped colored possibility, through the structure, it is long when having shortened processing, work efficiency has been increased.

Description

Novel stepped boring cutter

Technical Field

The utility model relates to a boring cutter technical field specifically is a novel ladder boring cutter.

Background

The boring cutter is one of hole machining cutters, is generally a round handle, and is also commonly used in a vertical lathe for a square cutter rod of a larger workpiece, wherein the most common occasions are inner hole machining, hole expanding, profiling and the like. However, the inner hole can be machined, and the outer circle of the end face can also be machined, which is not used conventionally. The existing boring cutter is heavy in weight and cannot process at high speed, so that the processing efficiency is low, and the existing boring cutter needs to perform cutter changing operation when a stepped hole is processed, so that the processing efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel ladder boring cutter to the current boring cutter weight that proposes in solving above-mentioned background art is heavy partially, and unable high-speed processing leads to machining efficiency lower, and current boring cutter need carry out the tool changing operation when carrying out the man-hour of shoulder hole, seriously influences machining efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel ladder boring cutter, includes handle of a knife and spliced pole, the left end and the spliced pole integrated into one piece of handle of a knife, the left end and the cutter body looks rigid coupling of spliced pole, the bottom of cutter body is equipped with first boring machining mechanism and second boring machining mechanism, first boring machining mechanism passes through the bolt fastening in the lower left corner position of cutter body, second boring machining mechanism passes through the bolt fastening in the lower right corner off left position of cutter body, the right side of first boring machining mechanism and second boring machining mechanism is all laminated and is had a stopper, two stopper and cutter body looks rigid coupling.

Preferably, the cutter body includes blade disc, supporting shoe, first mounting groove and second mounting groove, the right side of blade disc and the left side looks rigid coupling of spliced pole, the upper and lower both sides homogeneous body shaping of blade disc has the supporting shoe, the bottom first mounting groove has been seted up to the lower left corner of supporting shoe, the bottom the second mounting groove has been seted up to the lower right corner off-left position of supporting shoe, there is first boring machining mechanism through the bolt fastening in the first mounting groove, there is second boring machining mechanism through the bolt fastening in the second mounting groove, the right side of first mounting groove and the equal rigid coupling in right side of second mounting groove have the stopper.

Preferably, the middle position of the cutter head is hollowed to reduce the weight of the whole mechanism.

Preferably, the first boring mechanism comprises a first tool rest, a first adjusting block and a first PCD blade, the first adjusting block is fixedly connected to the lower right corner of the first tool rest, the first adjusting block is fixedly connected to the first mounting groove through a bolt, the lower left corner of the first tool rest is fixedly connected to the first PCD blade through a bolt, and the right side of the first tool rest is tightly attached to the limiting block.

Preferably, the second boring mechanism comprises a second tool rest, a second adjusting block and a second PCD blade, the second adjusting block is fixedly connected to the lower right corner of the second tool rest, the second adjusting block is fixedly connected to the second mounting groove through a bolt, the lower left corner of the second tool rest is fixedly connected to the second PCD blade through a bolt, and the right side of the second tool rest is tightly attached to the limiting block.

Preferably, the distance between the cutting edge position of the first PCD blade and the axis of the connecting column is less than the distance between the cutting edge position of the second PCD blade and the axis of the connecting column by 4 mm.

Compared with the prior art, the beneficial effects of the utility model are that: this novel ladder boring cutter, because the design of undercutting in the middle of the blade disc, make the quality of whole mechanism reduce, make the rotational speed of whole mechanism in the course of working be higher than prior art, thereby shorten process time, cooperation through first PCD blade and second PC end blade, the processing that carries out the shoulder hole of not changing the cutter has been realized, the process flow has been shortened, effect through first regulating block and second regulating block, make the machining radius finely tune, can satisfy bigger process range, because first boring processing mechanism and second boring processing mechanism all are in the homonymy, it is more smooth to make the tool withdrawal, reduce the machined surface and scraped colored possibility, through the structure, it is long when having shortened processing, and the work efficiency is increased.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the structure of FIG. 1;

FIG. 3 is an enlarged schematic structural view of the first boring mechanism of FIG. 1;

fig. 4 is an enlarged schematic structural view of the second boring mechanism of fig. 1.

In the figure: 1. the tool comprises a tool handle, 2, a connecting column, 3, a tool body, 301, a tool disc, 302, a supporting block, 303, a first mounting groove, 304, a second mounting groove, 4, a first boring machining mechanism, 401, a first tool rest, 402, a first adjusting block, 403, a first PCD blade, 5, a second boring machining mechanism, 501, a second tool rest, 502, a second adjusting block, 503, a second PCD blade, 6 and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel stepped boring cutter comprises a cutter handle 1 and a connecting column 2, wherein the left end of the cutter handle 1 and the connecting column 2 are integrally formed, the left end of the connecting column 2 is fixedly connected with a cutter body 3, the middle of the cutter body 3 adopts a hollowed design, the weight of the whole mechanism is reduced, in order to improve the rotational speed, the bottom of cutter body 3 is equipped with first boring machining mechanism 4 and second boring machining mechanism 5, two kinds of sizes of hole are processed respectively to first boring machining mechanism 4 and second boring machining mechanism 5, the processing of shoulder hole has been realized, first boring machining mechanism 4 passes through the bolt fastening in the lower left corner position of cutter body 3, second boring machining mechanism 5 passes through the bolt fastening in the lower right corner off left position of cutter body 3, the right side of first boring machining mechanism 4 and second boring machining mechanism 5 all laminates stopper 6, two stopper 6 and cutter body 3 looks rigid couplings, stopper 6 is the back taper, be used for the fine setting of the position of first boring machining mechanism 4 and second boring machining mechanism 5.

Cutter body 3 includes blade disc 301, supporting shoe 302, first mounting groove 303 and second mounting groove 304, blade disc 301's right side and the left side looks rigid coupling of spliced pole 2, blade disc 301's upper and lower both sides homogeneous body shaping has supporting shoe 302, first mounting groove 303 has been seted up to the lower left corner of bottom supporting shoe 302, second mounting groove 304 has been seted up to the lower right corner off left position of bottom supporting shoe 302, there is first boring machining mechanism 4 through the bolt fastening in the first mounting groove 303, there is second boring machining mechanism 5 through the bolt fastening in the second mounting groove 304, the right side of first mounting groove 303 and the equal rigid coupling in right side of second mounting groove 304 have stopper 6. The cutter head 301 is hollowed at a middle position thereof to reduce the weight of the entire mechanism.

The first boring mechanism 4 comprises a first tool rest 401, a first adjusting block 402 and a first PCD blade 403, the first adjusting block 402 is fixedly connected to the lower right corner of the first tool rest 401, the first adjusting block 402 is fixedly connected to the first mounting groove 303 through a bolt, the lower left corner of the first tool rest 401 is fixedly connected to the first PCD blade 403 through a bolt, and the right side of the first tool rest 401 is tightly attached to the limiting block 6. The second boring mechanism 5 includes a second tool holder 501, a second adjusting block 502 and a second PCD blade 503, the second adjusting block 502 is fixedly connected to the lower right corner of the second tool holder 501, the second adjusting block 502 is fixedly connected to the second mounting groove 304 through a bolt, the lower left corner of the second tool holder 501 is fixedly connected to the second PCD blade 503 through a bolt, and the right side of the second tool holder 501 is tightly attached to the limiting block 6. The distance of the cutting edge position of the first PCD blade 403 from the axis of the connecting column 2 is 4mm less than the distance of the cutting edge position of the second PCD blade 503 from the axis of the connecting column 2.

The first PCD blade 403 and the second PCD blade 503 are both made of artificial polycrystalline diamond, sliding grooves are formed in the middle price positions of the first adjusting block 402 and the second adjusting block 502, so that the first boring mechanism 4 and the second boring mechanism 5 can be transversely finely adjusted, and the first boring mechanism 4 and the second boring mechanism 5 can be finely adjusted in position under the pushing of the inclined plane of the limiting block 6 by changing the connecting depth of the limiting block 6 and the cutter body 3.

The bolts of the first boring mechanism 4 and the second boring mechanism 5 corresponding to the first adjusting block 402 and the second adjusting block 502 are loosened, the limiting block 6 is screwed out through an inner hexagonal wrench, the first adjusting block 402 and the second adjusting block 502 are pushed to the threaded rod of the limiting block 6, at the moment, the limiting block 6 is rotated through the inner hexagonal wrench, the limiting block 6 pushes the first adjusting block 402 and the second adjusting block 502 of the first boring mechanism 4 and the second boring mechanism 5 to move leftwards to a target position under the action of an inclined plane, at the moment, the bolts on the first adjusting block 402 and the second adjusting block 502 are screwed, so that the positions of the first boring mechanism 4 and the second boring mechanism 5 in the first mounting groove 303 and the second mounting groove 304 are fixed, so as to realize the adjustment of the machining radius, in the machining process, the first boring mechanism 4 firstly carries out hole machining, and when a workpiece contacts the second boring mechanism 5, the second-stage section hole machining is carried out, therefore, the one-step forming of the stepped hole is realized, the processing time is shortened, and the working efficiency is increased.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of 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, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel ladder boring cutter, includes handle of a knife (1) and spliced pole (2), the left end and spliced pole (2) integrated into one piece, its characterized in that of handle of a knife (1): the left end of the connecting column (2) is fixedly connected with the cutter body (3), a first boring mechanism (4) and a second boring mechanism (5) are arranged at the bottom of the cutter body (3), the first boring mechanism (4) is fixed at the lower left corner of the cutter body (3) through a bolt, the second boring mechanism (5) is fixed at the lower right corner of the cutter body (3) in a left-inclined position through a bolt, limiting blocks (6) are attached to the right sides of the first boring mechanism (4) and the second boring mechanism (5), and the limiting blocks (6) are fixedly connected with the cutter body (3).

2. The novel stepped boring tool as set forth in claim 1, wherein: cutter body (3) include blade disc (301), supporting shoe (302), first mounting groove (303) and second mounting groove (304), the right side of blade disc (301) and the left side looks rigid coupling of spliced pole (2), the equal integrated into one piece in upper and lower both sides of blade disc (301) has supporting shoe (302), the bottom first mounting groove (303) have been seted up to the lower left corner of supporting shoe (302), the bottom second mounting groove (304) have been seted up to the lower right corner off left position of supporting shoe (302), there is first boring machining mechanism (4) through the bolt fastening in first mounting groove (303), there is second boring machining mechanism (5) through the bolt fastening in second mounting groove (304), the right side of first mounting groove (303) and the equal rigid coupling in right side of second mounting groove (304) have stopper (6).

3. The novel stepped boring tool as set forth in claim 2, wherein: and the middle position of the cutter head (301) is hollowed to reduce the weight of the whole mechanism.

4. The novel stepped boring tool as set forth in claim 1, wherein: the first boring and machining mechanism (4) comprises a first tool rest (401), a first adjusting block (402) and a first PCD blade (403), the first adjusting block (402) is fixedly connected to the lower right corner of the first tool rest (401), the first adjusting block (402) is fixedly connected with a first mounting groove (303) through a bolt, the lower left corner of the first tool rest (401) is fixedly connected with the first PCD blade (403) through a bolt, and the right side of the first tool rest (401) is tightly attached to a limiting block (6).

5. The novel stepped boring tool as set forth in claim 1, wherein: the second boring and machining mechanism (5) comprises a second tool rest (501), a second adjusting block (502) and a second PCD blade (503), the second adjusting block (502) is fixedly connected to the lower right corner of the second tool rest (501), the second adjusting block (502) is fixedly connected with the second mounting groove (304) through a bolt, the lower left corner of the second tool rest (501) is fixedly connected with the second PCD blade (503) through a bolt, and the right side of the second tool rest (501) is tightly attached to the limiting block (6).

6. The novel stepped boring tool as set forth in claim 4, wherein: the distance between the cutting edge position of the first PCD blade (403) and the axis of the connecting column (2) is less than the distance between the cutting edge position of the second PCD blade (503) and the axis of the connecting column (2) by 4 mm.