CN218946388U

CN218946388U - Boring machine capable of greatly adjusting machining range

Info

Publication number: CN218946388U
Application number: CN202222961395.4U
Authority: CN
Inventors: 高楠; 费恒; 刘文芹; 张嶙捷
Original assignee: Cssc Marine Power Components Co ltd
Current assignee: Cssc Marine Power Components Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-05-02
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses a boring bar capable of greatly adjusting a machining range, which relates to the technical field of mechanical design and manufacture, and particularly relates to a boring bar capable of greatly adjusting the machining range. Through boring row body size moderate, the mutual cooperation of preceding, back cutter holder accessible spacing groove and kidney-shaped hole, realized the cutter holder position and removed by a wide margin, can freely adjust out the cutting radius of different size specifications, removed each model from and equipped with the condition of a special boring row, the dress sword groove design axial difference of front and back cutter holder in addition, through adjusting the cutting radius of cutter holder, realize the boring of front and back double knives, and this device operation degree of difficulty angle has effectively promoted the operating efficiency.

Description

Boring machine capable of greatly adjusting machining range

Technical Field

The utility model relates to the technical field of mechanical design and manufacture, in particular to a boring bar capable of greatly adjusting a machining range.

Background

The marine diesel engine cylinder block is an important part of a diesel engine, and is a cast iron piece formed by casting, and has large size, complex structure and various processing parts. Wherein, the cylinder sleeve hole and the gram hole which are important working parts are bored holes in the rough machining process.

Because marine diesel engines are numerous in types, cylinder sleeve holes and gram holes of cylinder blocks of various types are different in size, wherein the aperture of a main type is different from four hundred millimeters to one meter, and the span is large. The existing shaping boring bar has the problems that the adjusting range of the tool holder is too small, the tool holder extends only by about 35mm on one side, the shaping boring bar with various specifications is required to be equipped for realizing the covering of the processing capability, the purchasing cost is greatly increased, the slag collecting ring is arranged in a cylinder sleeve hole of a cylinder body of a part of machine types, the unilateral processing allowance can reach 60mm, the boring bar with one specification cannot finish boring work in general, the boring bar needs to be replaced halfway, the operation difficulty is increased, the frequent tool replacement is caused, the operation efficiency is low, and the boring bar with few use frequency of the part of dimension specifications is equipped, so that the resource is wasted.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a boring bar capable of greatly adjusting the processing range, and solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a adjust range of processing boring machine by a wide margin, includes the boring machine body, the front mounting of boring machine body has back cutter holder, the front mounting of boring machine body has the preceding cutter holder that is located back cutter holder below, install the stopper between boring machine body and back cutter holder and the preceding cutter holder, the preceding movable sleeve of back cutter holder is equipped with first boring cutter, the preceding movable sleeve of preceding cutter holder is equipped with the second boring cutter, the outside movable sleeve of back cutter holder and preceding cutter holder is equipped with the clamp bolt, the inner chamber movable sleeve of back cutter holder and preceding cutter holder is equipped with second fastening bolt, the outside movable sleeve of second fastening bolt is equipped with spring spacer, the outside movable sleeve of second fastening bolt is equipped with the flat gasket.

Optionally, an inner cavity of the boring bar body is movably sleeved with a mounting bolt, and the rear end of the mounting bolt extends backwards to the rear of the boring bar body.

Optionally, the upper left corner and the lower right corner of the working surface of the boring mill body are respectively provided with a limiting groove, and the inner cavity of the limiting block is movably sleeved with a first fastening bolt.

Optionally, limit grooves are formed in the rear faces of the rear cutter holder and the front cutter holder, and the limit blocks are movably sleeved in the limit grooves in the outer sides of the boring bar body, the rear cutter holder and the front cutter holder.

Optionally, the top surface of back cutter holder and the bottom surface of preceding cutter holder are located same horizontal plane with the upper and lower face of boring bar body respectively, the level scale mark has been seted up on the left and right sides of boring bar body, the scale has been seted up to the upper and lower face of back cutter holder and preceding cutter holder.

Optionally, the right side of back cutter holder and the left side of preceding cutter holder have seted up and have adorned the sword groove, first boring cutter and second boring cutter pass through the fixed centre gripping of clamp screw in the inner chamber of dress sword groove, the outside of first boring cutter and second boring cutter outwards extends to the outside of back cutter holder and preceding cutter holder.

The utility model provides a boring mill capable of greatly adjusting a machining range, which has the following beneficial effects:

1. the boring machine capable of adjusting the machining range greatly is moderate in size through the boring machine body, the front tool holder and the rear tool holder can be matched with each other through the limiting grooves and the kidney-shaped holes, so that the tool holder can be moved greatly, the cutting radiuses of different sizes can be adjusted freely, the situation that each machine type is provided with a special boring machine is avoided, the tool loading grooves of the front tool holder and the rear tool holder are designed to be axially height difference, the front tool holder and the rear tool holder are adjusted in cutting radius, the front tool holder and the rear tool holder are used for boring, the operation difficulty angle of the device is improved, and the operation efficiency is improved effectively.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the split structure of the present utility model;

FIG. 3 is a schematic view of the structure of the rear of the present utility model;

FIG. 4 is a schematic view of the front view of the rear toolholder of the utility model;

FIG. 5 is a schematic view of the front and rear view of the toolholder of the utility model;

fig. 6 is a schematic structural view of a second fastening bolt according to the present utility model.

In the figure: 1. boring bar body; 2. installing a bolt; 3. a rear tool holder; 4. a front tool holder; 5. a limiting block; 6. a first boring tool; 7. a second boring cutter; 8. a pressing cutter bolt; 9. a first fastening bolt; 10. a second fastening bolt; 11. a spring washer; 12. a flat gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 6, the present utility model provides a technical solution: the boring machine capable of greatly adjusting the machining range comprises a boring machine body 1, wherein an inner cavity of the boring machine body 1 is movably sleeved with a mounting bolt 2, the rear end of the mounting bolt 2 extends backwards to the rear of the boring machine body 1, a mounting part of the boring machine body 1 starts to be countersunk, the boring machine body is connected with a cutter handle through a second fastening bolt 10, a limiting groove is formed in a connecting surface, the boring machine body 1 is prevented from loosening and turning when in work, the design thickness of a working surface of the boring machine body 1 is smaller than a mounting surface, the use strength is ensured, the weight is reduced, a rear cutter holder 3 is mounted in front of the boring machine body 1, a front cutter holder 4 positioned below the rear cutter holder 3 is mounted in front of the boring machine body 1, the top surface of the rear cutter holder 3 and the bottom surface of the front cutter holder 4 are respectively positioned on the same horizontal plane with the upper surface and the lower surface of the boring machine body 1, a flexible scale mark is formed on the left surface and the right surface of the boring machine body 1, the upper and lower surfaces of the rear cutter holder 3 and the front cutter holder 4 are provided with scales, the lengths of the rear cutter holder 3 and the front cutter holder 4 are designed to be equal to the length of the boring bar body 1, the adjusting range can be enlarged, the back surface is provided with a limit groove, the rear cutter holder 3 and the front cutter holder 4 are prevented from generating turnover movement while being clamped on the limit block 5 to slide radially, the rear cutter holder 3 and the front cutter holder 4 can be stably fixed on the right surface of the boring bar body 1 by utilizing the cooperation of the second fastening bolt 10, the first boring cutter 6 and the second boring cutter 7 are further stably fixed, the limit block 5 is arranged between the boring bar body 1 and the rear cutter holder 3 and the front cutter holder 4, the back surface of the rear cutter holder 3 and the front cutter holder 4 is provided with a limit groove, the limit block 5 is movably sleeved in the limit grooves on the outer sides of the boring bar body 1 and the rear cutter holder 3 and the front cutter holder 4, the outer sides of the limit block 5 are fixedly provided with countersunk holes respectively through the first fastening bolts 9, the setting of first fastening bolt 9 plays the effect of stable fixed stopper 5 when using, enable stopper 5 stable fixed in the front of boring bar body 1, the use of convenient device, the limit groove has been seted up to boring bar body 1 working face upper left corner and lower right corner, the inner chamber movable sleeve of stopper 5 has first fastening bolt 9, the preceding movable sleeve of back cutter holder 3 has first boring cutter 6, the preceding movable sleeve of front cutter holder 4 has second boring cutter 7, the dress sword groove has been seted up on the right side of back cutter holder 3 and the left side of front cutter holder 4, first boring cutter 6 and second boring cutter 7 pass through boring cutter bolt 8 fixed centre gripping in the inner chamber of dress sword groove, the outside of first boring cutter 6 and second boring cutter 7 outwards extends to the outside of back cutter holder 3 and front cutter holder 4, install boring bolt 8 in the sword groove of back cutter holder 3 and front cutter holder 4, adjust the tool bit extension length, through boring cutter holder bolt 8 fixed position, cutting half R2 of second boring is confirmed according to first boring cutter holder 4, radial movement back cutter holder 3 and cutter holder 4 need size 10 are equipped with to the fixed position of boring cutter holder, the lathe bed 10 outside the required bolt 10 is equipped with to the outside of the movable sleeve of second boring bar, the lathe bed 10 is equipped with the outside of boring bar 10, the required size bolt is moved to the outside of boring bar 4, the lathe bed 10 is moved to the outside of boring bar 10 is moved, the outside is required to be equipped with the boring bar 10, the boring bar is moved.

In sum, when the boring bar with the machining range greatly adjusted is used, firstly, the boring bar body 1 is connected through the mounting bolt 2, is fixedly arranged on the cutter handle and is connected with the main shaft of the machine tool, two limiting blocks 5 are respectively and fixedly arranged in limiting grooves of the boring bar body 1 through the first fastening bolts 9, the limiting grooves on the back surface of the front cutter holder 4 are matched with the limiting blocks 5, the boring bar body 1 is arranged on the boring bar body 1 through the second fastening bolts 10, the flat gasket 12 and the boring bar body 1, the first boring cutter 6 and the second boring cutter 7 are firstly and not locked, are respectively arranged in cutter grooves of the rear cutter holder 3 and the front cutter holder 4, the extension length of cutter heads is adjusted, the fixing positions of the cutter pressing bolts 8 are used for determining the cutting radius R1 of the first boring according to the hole diameter of a workpiece blank, the front tool holder 4 is moved to a required size position in the radial direction, the clamp bolt flat gasket 12 is screwed to fix the tool holder, the limit grooves on the back surfaces of the rear tool holder 3 and the front tool holder 4 are matched with the limit block 5, the flat gasket 12 is arranged on the boring bar body 1 through the second clamp bolt 10, the spring gasket 11 and the spring gasket, the tool pressing bolt 8 is firstly unlocked, the tool pressing bolt 8 is arranged in the tool grooves of the rear tool holder 3 and the front tool holder 4, the extending length of the tool bit is adjusted, the fixed position of the tool pressing bolt 8 is used, the cutting half jin R2 of the second boring is confirmed according to the cutting radius R1 of the first boring, the tool holder 3 and the front tool holder 4 are moved to the required size position in the radial direction, the second clamp bolt 10 is screwed to fix the tool holder, and the boring bar is driven to work by the machine tool operation, so that the boring work of a workpiece is completed.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The boring machine capable of greatly adjusting the machining range comprises a boring machine body (1), and is characterized in that: the boring machine comprises a boring bar body (1), wherein a rear cutter holder (3) is arranged in front of the boring bar body (1), a front cutter holder (4) located below the rear cutter holder (3) is arranged in front of the boring bar body (1), a limiting block (5) is arranged between the boring bar body (1) and the rear cutter holder (3) and the front cutter holder (4), a first boring cutter (6) is movably sleeved in front of the rear cutter holder (3), a second boring cutter (7) is movably sleeved in front of the front cutter holder (4), a cutter pressing bolt (8) is movably sleeved in the outer sides of the rear cutter holder (3) and the front cutter holder (4), a second fastening bolt (10) is movably sleeved in an inner cavity of the rear cutter holder (3) and the front cutter holder (4), a spring gasket (11) is movably sleeved in the outer side of the second fastening bolt (10), and a flat gasket (12) is movably sleeved in the outer side of the second fastening bolt (10).

2. The large-scale machining range adjusting boring mill according to claim 1, wherein: the inner cavity of the boring bar body (1) is movably sleeved with a mounting bolt (2), and the rear end of the mounting bolt (2) extends backwards to the rear of the boring bar body (1).

3. The large-scale machining range adjusting boring mill according to claim 1, wherein: limiting grooves are respectively formed in the upper left corner and the lower right corner of the working surface of the boring bar body (1), and a first fastening bolt (9) is movably sleeved in an inner cavity of the limiting block (5).

4. The large-scale machining range adjusting boring mill according to claim 1, wherein: limiting grooves are formed in the rear faces of the rear cutter holder (3) and the front cutter holder (4), and limiting blocks (5) are movably sleeved in the limiting grooves in the outer sides of the boring bar body (1), the rear cutter holder (3) and the front cutter holder (4).

5. The large-scale machining range adjusting boring mill according to claim 1, wherein: the top surface of back cutter holder (3) and the bottom surface of preceding cutter holder (4) are located same horizontal plane with the upper and lower face of boring bar body (1) respectively, the level scale mark has been seted up on the left and right sides of boring bar body (1), the scale has been seted up to the upper and lower face of back cutter holder (3) and preceding cutter holder (4).

6. The large-scale machining range adjusting boring mill according to claim 1, wherein: the right side of the rear cutter holder (3) and the left side of the front cutter holder (4) are provided with cutter accommodating grooves, a first boring cutter (6) and a second boring cutter (7) are fixedly clamped in the inner cavities of the cutter accommodating grooves through cutter pressing bolts (8), and the outer sides of the first boring cutter (6) and the second boring cutter (7) outwards extend to the outer parts of the rear cutter holder (3) and the front cutter holder (4).