CN216461804U

CN216461804U - Adjustable boring cutter for processing deep-cavity special-shaped parts

Info

Publication number: CN216461804U
Application number: CN202123056568.XU
Authority: CN
Inventors: 骆宙; 李建辉; 王杰
Original assignee: Yingpu Aviation Technology Co ltd
Current assignee: Yingpu Aviation Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-10
Anticipated expiration: 2031-12-07

Abstract

The utility model relates to an adjustable boring cutter of processing dark chamber special-shaped parts, including the handle of a knife, be equipped with the slider in the handle of a knife, be equipped with slider adjustment mechanism and slider locking mechanical system between handle of a knife and the slider, slide in the slider and be equipped with the cutter arbor, be equipped with cutter arbor locking mechanical system between slider and the cutter arbor, slider lower part installation blade, handle of a knife upper portion are handle of a knife installation department, and the lower part is the slider portion of sliding. The utility model has simple structure and small occupied space; the adjusting precision is high, the installation is firm, the surface quality of the parts is greatly improved, and the qualification rate and the production efficiency are improved.

Description

Adjustable boring cutter for processing deep-cavity special-shaped parts

Technical Field

The utility model belongs to the technical field of the machining cutter, a adjustable boring cutter of dark chamber special-shaped part of processing of solving dark chamber special-shaped structure of part is related to.

Background

At present, a series of aluminum alloy, stainless steel and high-temperature alloy base body parts are produced in our factory, and part of the parts have a deep-cavity special-shaped structure, so that a common hard alloy milling cutter has a series of problems of weak rigidity, low processing efficiency, vibration lines on the surfaces of the parts, poor quality and the like. Some parts cannot be machined by using a common hard alloy cutter. In view of the above problems, we skillfully design a tool to replace the common cemented carbide tool to machine such a structure during machining such a part.

Disclosure of Invention

An object of the utility model is to overcome the not enough of existence among the prior art, provide an adjustable boring cutter of processing deep cavity special-shaped part, this processing method commonality is strong, and its processing is stable, improves part surface quality greatly, improves qualification rate and production efficiency.

According to the utility model provides a technical scheme: the adjustable boring cutter for machining the deep-cavity special-shaped part comprises a cutter handle, wherein a sliding block is arranged in the cutter handle, a sliding block adjusting mechanism and a sliding block locking mechanism are arranged between the cutter handle and the sliding block, a cutter rod is arranged in the sliding block in a sliding mode, the cutter rod locking mechanism is arranged between the sliding block and the cutter rod, and a blade is arranged on the lower portion of the sliding block.

As a further improvement, the upper part of the knife handle is a knife handle installation part, and the lower part is a sliding block sliding part.

As the utility model discloses a further improvement, slider adjustment mechanism include the slider groove of sliding, and the slider groove of sliding is opened in the slider portion of sliding, and slider groove side of sliding is bored and is established slider regulation screw, installs slider adjusting screw in the slider regulation screw, and slider adjusting screw tip supports the slider, opens in the slider and establishes slider adjustment step groove.

As a further improvement, the slider locking mechanism adopts double locking.

As the utility model discloses a further improvement, slider locking mechanical system includes slider locking screw and slider holding screw, and slider sliding groove top surface bores and establishes slider locking screw, and slider sliding groove side bores and establishes a tight screw of slider, and slider locking screw passes slider adjustment step groove link block locking screw, and slider holding screw installs in a tight screw of slider and supports the slider.

As a further improvement of the utility model, the slider comprises a handle slide hole.

As a further improvement of the utility model, the cutter bar locking mechanism comprises a guide rod locking screw hole and a cutter bar supporting screw; the guide rod locking screw hole is drilled on the side surface of the cutter handle sliding hole, and the cutter bar holding screw is arranged in the guide rod locking screw hole and abuts against the cutter bar.

As a further improvement, the cutter bar lower part is equipped with the blade mounting groove, bores in the blade mounting groove and establishes blade installation screw, installs the blade in the blade mounting groove, and blade screw lower part is arranged in blade installation screw, and blade screwhead pushes down the blade.

As a further improvement of the utility model, the blade adopts an indexable hard alloy blade.

As a further improvement of the utility model, the blade is an indexable lathe blade or a boring blade.

The positive progress effect of this application lies in:

the utility model has simple structure and small occupied space; the adjusting precision is high, the installation is firm, the surface quality of the part is greatly improved, and the qualification rate and the production efficiency are improved.

Drawings

Fig. 1 is a front view of the cutting tool of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a front view of the slider of the present invention.

Fig. 4 is a front view of the knife handle of the utility model.

Fig. 5-6 are schematic views of the tool machining part of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, "including" and "having," and like terms, mean that "including" and "having," in addition to those already recited in "including" and "having," other content not already recited in the list; for example, a process, method, system, article, or apparatus that may comprise a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.

In fig. 1-6, the cutting tool comprises a blade 1, a blade screw 2, a tool bar 3, a slide block 4, a slide block locking screw 5, a tool shank 6, a tool bar holding screw 7, a slide block holding screw 8, a slide block adjusting screw 9, and the like.

As shown in fig. 1-2, the utility model relates to an adjustable boring cutter of processing deep cavity special-shaped part, including handle of a knife 6, be equipped with slider 4 in the handle of a knife 6, be equipped with slider adjustment mechanism and slider locking mechanical system between handle of a knife 6 and the slider 4, slide in the slider 4 and be equipped with cutter arbor 3, be equipped with cutter arbor locking mechanical system between slider 4 and the

cutter arbor

3, 4 lower part installation blades 1 of slider.

As shown in FIG. 4, the upper part of the tool holder 6 is a tool holder mounting part 6-1, and the lower part is a slide block sliding part 6-2. The tool shank mounting part 6-1 is connected with a main shaft of a machine tool and is BT40 or BT50 in specification.

The sliding block adjusting mechanism comprises a sliding block sliding groove 6-6, the sliding block sliding groove 6-6 is formed in a sliding block sliding part 6-2, a sliding block adjusting screw hole 6-3 is drilled in the side face of the sliding block sliding groove 6-6, a sliding block adjusting screw 9 is installed in the sliding block adjusting screw hole 6-3, the end part of the sliding block adjusting screw 9 abuts against the sliding block 4, and a sliding block adjusting step groove 4-1 is formed in the sliding block 4.

The sliding block locking mechanism adopts double locking and comprises a sliding block locking screw 5 and a sliding block supporting screw 8, a sliding block locking screw hole 6-5 is drilled in the top surface of a sliding block sliding groove 6-6, a sliding block supporting screw hole 6-4 is drilled in the side surface of the sliding block sliding groove 6-6, the sliding block locking screw 5 penetrates through a sliding block adjusting step groove 4-1 to be connected with the sliding block locking screw hole 6-5, and the sliding block supporting screw 8 is installed in the sliding block supporting screw hole 6-4 and supports against the sliding block 4.

As shown in fig. 3, the slide 4 includes a shank slide hole 4-2 for slidably mounting the tool shank 3.

The cutter bar locking mechanism comprises a guide rod locking screw hole 4-3 and a cutter bar holding screw 7. The guide rod locking screw hole 4-3 is drilled on the side surface of the cutter handle sliding hole 4-2, and the cutter bar holding screw 7 is arranged in the guide rod locking screw hole 4-3 and props against the cutter bar 3.

The lower part of the cutter bar 3 is provided with a blade mounting groove, a blade mounting screw hole is drilled in the blade mounting groove, a blade 1 is mounted in the blade mounting groove, the lower part of the blade screw 2 is positioned in the blade mounting screw hole, and the head of the blade screw 2 presses the blade 1.

The blade 1 is an indexable hard alloy blade, the arc angle of the blade 1 is selected according to the size of the R angle at the root of the part, and the tolerance is 1/5 of the R angle at the root of the part. The insert 1 may be a standard indexable lathe insert or a boring insert.

The slide block locking screw 5 is an M5 inner hexagonal cylinder head slide block locking screw, the slide block supporting screw 8 is an M5 multiplied by 8 inner hexagonal flat end fastening screw, and the slide block adjusting screw 9 is an M5 multiplied by 30 inner hexagonal flat end fastening screw.

A mechanical processing method for solving the problem of a part deep cavity special-shaped structure is characterized in that the boring cutter is used, and the mechanical processing method comprises the following steps:

the method comprises the following steps:

step 1: installing a cutter handle 4 on the blade 1, installing the cutter handle 3 into the sliding block 4, and installing the sliding block 4 into the cutter handle 6;

step 2: adjusting the machining diameter of the cutter according to the diameter of the machined part; the specific adjusting method comprises the following steps: loosening the slide block locking screw 5 and the slide block supporting screw 8, rotating the slide block adjusting screw 9 to enable the slide block 4 to slide in the sliding groove of the tool holder 6 to adjust the diameter, and finally confirming the machining diameter of the tool through the tool setting gauge; locking a slide block locking screw 5 and a slide block supporting screw 8 in sequence;

step two:

step 1: mounting the adjusted cutter on a machine tool spindle;

step 2: the NC program needs to design M19 cutter orientation commands, and each cutter bar feeding is arranged on the right side in figure 3

And step 3: after the cutter is lowered to the safe height, inputting an instruction M4 to reversely rotate the cutter, and feeding to machine the structure of the part through a program NC;

and 4, step 4: after the machining is finished, inputting an M5 instruction to stop the rotation of the main shaft, continuously inputting and outputting an M19 cutter orientation instruction, continuously maintaining the cutter withdrawing cutter bar at the right side every time, and quickly withdrawing the cutter G00;

step three:

the diameter is detected by the detection tool on the machine tool, and the diameter can be taken down and circulated when the diameter is qualified.

The working principle is as follows:

as shown in fig. 5 to 6, according to the external dimension of the part deep cavity special-shaped structure, the M5 multiplied by 30 hexagon socket flat end set screw 9 is screwed to enable the sliding block to slide in the sliding groove of the tool holder to adjust the diameter, and the tool machining diameter is finally confirmed through the tool setting gauge.

As shown in fig. 6, the tool bar is located on the right side (see fig. 6) at each of the feed and retract operations by the command of M19 in the NC program, and is located in a safe area where the parts do not interfere with each other. The cutter can be shortened and thickened by feeding from the position shown in figure 3, so that the rigidity of the cutter is greatly improved, and the surface quality and the machining efficiency of parts are improved by times.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The adjustable boring cutter for machining the deep-cavity special-shaped part is characterized by comprising a cutter handle (6), a sliding block (4) is arranged in the cutter handle (6), a sliding block adjusting mechanism and a sliding block locking mechanism are arranged between the cutter handle (6) and the sliding block (4), a cutter bar (3) is arranged in the sliding block (4) in a sliding mode, a cutter bar locking mechanism is arranged between the sliding block (4) and the cutter bar (3), and a cutter blade (1) is installed on the lower portion of the sliding block (4).

2. The adjustable boring tool for machining the deep-cavity special-shaped part as claimed in claim 1, wherein the upper part of the tool shank (6) is a tool shank mounting part (6-1), and the lower part of the tool shank (6) is a sliding block sliding part (6-2).

3. The adjustable boring tool for machining the deep-cavity special-shaped part as claimed in claim 2, wherein the slider adjusting mechanism comprises a slider sliding groove (6-6), the slider sliding groove (6-6) is formed in the slider sliding portion (6-2), a slider adjusting screw hole (6-3) is drilled in the side face of the slider sliding groove (6-6), a slider adjusting screw (9) is installed in the slider adjusting screw hole (6-3), the end portion of the slider adjusting screw (9) abuts against the slider (4), and a slider adjusting step groove (4-1) is formed in the slider (4).

4. The adjustable boring tool for machining deep-cavity special-shaped parts according to claim 3, wherein the sliding block locking mechanism adopts double locking.

5. The adjustable boring tool for processing the deep cavity special-shaped part as claimed in claim 4, wherein the slide block locking mechanism comprises a slide block locking screw (5) and a slide block supporting screw (8), a slide block locking screw hole (6-5) is drilled on the top surface of a slide block sliding groove (6-6), a slide block supporting screw hole (6-4) is drilled on the side surface of the slide block sliding groove (6-6), the slide block locking screw (5) penetrates through the slide block adjusting step groove (4-1) to be connected with the slide block locking screw hole (6-5), and the slide block supporting screw (8) is installed in the slide block supporting screw hole (6-4) and supports against the slide block (4).

6. The adjustable boring tool for machining deep-cavity special-shaped parts according to claim 1, characterized in that the sliding block (4) comprises a tool shank sliding hole (4-2).

7. The adjustable boring tool for processing deep-cavity special-shaped parts as claimed in claim 6, wherein the cutter bar locking mechanism comprises a guide bar locking screw hole (4-3) and a cutter bar holding screw (7); the guide rod locking screw hole (4-3) is drilled on the side surface of the cutter handle sliding hole (4-2), and the cutter bar holding screw (7) is arranged in the guide rod locking screw hole (4-3) and props against the cutter bar (3).

8. The adjustable boring tool for machining deep-cavity special-shaped parts according to claim 1, wherein the lower portion of the tool bar (3) is provided with a blade mounting groove, a blade mounting screw hole is drilled in the blade mounting groove, the blade (1) is mounted in the blade mounting groove, the lower portion of the blade screw (2) is located in the blade mounting screw hole, and the head of the blade screw (2) presses the blade (1).

9. The adjustable boring tool for machining deep-cavity special-shaped parts according to claim 8, characterized in that the insert (1) is an indexable cemented carbide insert.

10. The adjustable boring tool for machining deep-cavity special-shaped parts according to claim 9, characterized in that the insert (1) is an indexable lathe insert or a boring insert.