Boring cutter for boring machine

Abstract

The utility model discloses a boring cutter for a boring machine, which is characterized in that a base is integrally in a revolving body structure, a first positioning surface is arranged on the inner side of the upper end of the base, a first threaded hole is arranged on the lower side of the first positioning surface, a lock catch is arranged at the lower end of the base, a second positioning surface corresponding to the first positioning surface is arranged on a cutter holder, and the second positioning surface is provided with a second threaded hole. The lower side of the second positioning face is further provided with a first threaded rod corresponding to the first threaded hole, the tool apron is installed in the first threaded hole of the base through the first threaded rod on the lower side in a threaded mode, the first positioning face is matched with the second positioning face, a transverse sliding groove is formed in the upper end face of the tool apron, and rows of second threaded holes are formed in the sliding groove. The utility model has the advantages that only the tool apron needs to be replaced when the tool is replaced, so that the weight of the tool is reduced, the working labor intensity of workers is reduced, time and labor are saved, the processing efficiency is effectively improved, and the processing precision is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of boring bar, specifically relates to a boring bar for boring machine. BACKGROUND

[0002] Boring machine is a kind of machine tool that mainly uses boring bar to process the precast hole on workpiece, and boring bar is a kind of boring tool, and the most common situation is hole processing, hole expansion and profiling, which can be used on boring machine, lathe or milling machine, and appropriate module can be selected according to the requirements of workpiece when using, and various boring bars are spliced, so that the design and manufacture of tool are simplified, but the boring bar commonly used in boring machine is composed of a tool shank and a tool head located at the upper end of the tool shank, which has the following shortcomings, first, the tool shank is generally long, which leads to insufficient rigidity and is difficult to guarantee high machining accuracy, second, the quality is large, and the labor intensity is high when manually changing tool, third, tool installation is required every time the boring bar is replaced, which is time-consuming and laborious, not only affects the machining efficiency, but also affects the machining accuracy due to secondary alignment. In view of such situation, the boring bar for boring machine is provided. CONTENT OF THE UTILITY MODEL

[0003] The boring bar for boring machine is provided to solve the above problems. The split design ensures the rigidity of the tool, reduces the weight of the tool during tool changing, reduces the labor intensity, improves the machining efficiency, and is also beneficial to guarantee the machining accuracy.

[0004] The technical solution adopted by the utility model to solve the above technical problems is as follows:

[0005] A boring bar for boring machine, comprising a base, a tool holder and a tool, the base is a whole rotary body structure, a first positioning surface is formed in the upper end of the base, a first threaded hole is formed in the lower side of the first positioning surface, a lock catch is arranged at the lower end of the base, a second positioning surface corresponding to the first positioning surface is arranged on the tool holder, and a first screw rod corresponding to the first threaded hole is arranged on the lower side of the second positioning surface, the tool holder is screw-mounted in the first threaded hole of the base through the first screw rod on the lower side, and the first positioning surface and the second positioning surface are matched, a horizontal sliding groove is formed in the upper end surface of the tool holder, a row of second threaded holes are formed in the sliding groove, a through hole corresponding to the second threaded hole is formed in the tool, and a second screw rod is screw-connected with the second threaded hole through the through hole, so that the tool is fixedly installed in the sliding groove on the upper end surface of the tool holder.

[0006] Preferably, a power-assisted hole is formed in the tool holder and penetrates horizontally.

[0007] Preferably, the first positioning surface and the second positioning surface are tapered correspondingly.

[0008] Preferably, the cutter is composed of a slide and a cutter head fixedly installed in the slide, and the through hole is located in the slide.

[0009] The beneficial effects achieved by the above technical solutions are:

[0010] By setting the split base and the tool holder, the overall length is shortened, the stiffness is improved, the first positioning surface, the second positioning surface and the first threaded hole and the first screw rod are respectively arranged on the base and the tool holder, the tool holder and the base are fixedly connected through threads, and the disassembly, assembly and tool changing are very convenient, only the tool holder needs to be replaced during tool changing, the weight of the cutter is reduced, the labor intensity of workers is reduced, the second cutter alignment is not needed under the action of the positioning surface, time and labor are saved, the machining efficiency is effectively improved, and the machining precision is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a structural schematic view of the utility model;

[0012] Figure 2 is a structural schematic view of the base in the utility model;

[0013] Figure 3 is a structural schematic view of the tool holder in the utility model.

[0014] 1, base; 2, tool holder; 3, cutter; 4, first positioning surface; 5, first threaded hole; 6, lock catch; 7, second positioning surface; 8, first screw rod; 9, power-assisted hole; 10, sliding groove; 11, second threaded hole; 12, through hole; 13, slide; 14, cutter head. DETAILED DESCRIPTION

[0015] By Figure 1 , Figure 2 and Figure 3The boring tool for boring machine includes base 1, tool holder 2 and tool 3, the base 1 is a whole rotary body structure, the first positioning surface 4 is formed in the upper end inner side of the base 1, the first threaded hole 5 is formed in the lower side of the first positioning surface 4, the lock catch 6 is arranged on the lower end of the base 1, the boring tool is fixedly installed on the boring machine by the base 1 and the lock catch 6, the second positioning surface 7 corresponding to the first positioning surface 4 is arranged on the tool holder 2, the first positioning surface 4 and the second positioning surface 7 are corresponding taper, the first screw rod 8 corresponding to the first threaded hole 5 is further arranged on the lower side of the second positioning surface 7, the tool holder 2 is screwedly installed in the first threaded hole 5 of the base 1 through the lower side first screw rod 8, and the first positioning surface 4 is matched with the second positioning surface 7, when replacing the tool, only the tool holder 2 needs to be disassembled and replaced, the power-assisted hole 9 horizontally penetrating is formed in the tool holder 2, under the action of the power-assisted hole 9, the tool holder 2 is conveniently disassembled and assembled by using the lever, the horizontal sliding slot 10 is formed in the upper end surface of the tool holder 2, the second threaded holes 11 in rows are formed in the sliding slot 10, the tool 3 is composed of the sliding seat 13 and the tool head 14 fixedly installed in the sliding seat 13, the through hole 12 corresponding to the second threaded hole 11 is formed in the sliding seat (13) of the tool 3, the second screw rod is screwedly connected with the second threaded hole 11 by penetrating the through hole 12, and the tool 3 is fixedly installed in the sliding slot 10 of the upper end surface of the tool holder 2.

Claims

1. A boring tool for a boring machine, characterized in that: The utility model relates to a cutting tool, including base (1), tool holder (2) and cutter (3), the base (1) is whole and presents the structure of rotary body, the first locating surface (4) is set up in the inside of the upper end of base (1), the first threaded hole (5) is set up in the lower side of first locating surface (4), the lock catch (6) is set up in the lower end of base (1), the second locating surface (7) is set up in the upper of tool holder (2) and corresponds with first locating surface (4), the first screw rod (8) is set up in the lower side of second locating surface (7) and corresponds with first threaded hole (5), tool holder (2) is installed in the first threaded hole (5) of base (1) through the first screw rod (8) of lower side, and first locating surface (4) and second locating surface (7) are in accord, the transverse sliding slot (10) is set up in the upper end surface of tool holder (2), the second threaded hole (11) is set up in the sliding slot (10) and corresponds with second threaded hole (11), the through hole (12) is set up in the upper of cutter (3) and corresponds with second threaded hole (11), and second screw rod passes through through hole (12) and is connected with second threaded hole (11) threadedly, cutter (3) is fixedly installed in the sliding slot (10) of the upper end surface of tool holder (2).

2. The boring tool according to claim 1, characterized in that: The tool holder (2) is set up with the horizontal through power hole (9).

3. A boring tool according to claim 1 or 2, c h a r a c t e r i z e d in that: The first locating surface (4) and second locating surface (7) are corresponding taper.

4. The boring tool according to claim 1 or 2, characterized in that: The cutter (3) is composed of sliding seat (13) and cutter head (14) fixedly installed in sliding seat (13), and the through hole (12) is located in sliding seat (13).

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