Composite boring cutter for machining automobile parts

Abstract

The utility model belongs to the technical field of boring cutters, particularly relates to a composite boring cutter for machining automobile parts, and aims to solve the problems that the diameter of the existing boring cutter cannot be adjusted during use, the cutter needs to be replaced when holes with different diameters are machined, and the practicability is poor. An adjusting mechanism for adjusting the blade is mounted on one side of the boring cutter body; the adjusting mechanism comprises two adjusting blocks, the two adjusting blocks are both arranged on one side of the boring cutter body, and sliding grooves are formed in the two adjusting blocks. The fixing screws on the adjusting blocks are unscrewed, fixing of the adjusting blocks is relieved, the adjusting blocks can be pulled to move under cooperation of the sliding grooves, then the two adjusting blocks are adjusted, the adjusted diameter can be observed conveniently through the dial gauge, the distance between the two boring blades is changed, and diameter adjustment is achieved.

Description

Technical Field

[0001] The utility model relates to a composite boring tool, in particular to a composite boring tool for machining automobile parts, belonging to the technical field of boring tools. Background Technique

[0002] The composite boring tool used in the machining of automobile parts is an efficient and multifunctional machining tool. It can meet the requirements of high precision, high efficiency and diversified machining in the machining of automobile parts. In the machining of automobile parts, the composite boring tool has a wide range of applications. It can be used to machine key parts such as engine cylinder holes, crankshaft journal holes, and piston pin holes. These parts have very high requirements for machining accuracy and surface quality, and the composite boring tool can well meet these requirements with its high-precision and high-efficiency characteristics.

[0003] In the prior art, as a composite boring tool disclosed in the publication number CN211331369U, it includes a tool shank, an orientation rotation mechanism, and a composite tool body connected in sequence; the composite tool body includes a plurality of sub-tool bodies arranged coaxially; the diameters of the sub-tool bodies decrease in sequence from the tool shank side to the composite tool body side, and a boring tool is arranged on the outer periphery of each sub-tool body; the boring tool includes a rough boring tool, a finish boring tool, and a chamfering tool arranged at different positions along the circumferential direction of the sub-tool body; the types of boring tools on each sub-tool body are set according to the machining requirements of different hole systems; for the sub-tool body with a rough boring tool and a finish boring tool arranged at the same time. It can realize the machining of multiple positions and multiple hole diameters, replace the original multiple tools with one tool, machine non-related multiple hole systems on the part, and rotate the orientation rotation mechanism of the tool along the tool shank by a certain angle, so that it does not need to set large tools and reduces the use positions of the tool magazine.

[0004] Although the above technical solution can realize the machining of multiple positions and multiple hole diameters, replace the original multiple tools with one tool, and machine non-related multiple hole systems on the part, when it is used, the diameter of the boring tool cannot be adjusted, and when machining holes with different diameters, the tool needs to be replaced, and the practicability is poor. In view of this, a composite boring tool for machining automobile parts is provided to overcome the above defects. Content of the Utility Model

[0005] The utility model provides a composite boring tool for machining automobile parts to solve the problem that the diameter of the boring tool cannot be adjusted during use, the tool needs to be replaced when machining holes with different diameters, and the practicability is poor.

[0006] The utility model realizes the above purpose through the following technical solutions: a composite boring tool for machining automobile parts, including a boring tool body, and an adjusting mechanism for adjusting the blade is installed on one side of the boring tool body;

[0007] The adjusting mechanism includes adjusting blocks. There are two adjusting blocks, and both of the two adjusting blocks are arranged on one side of the boring tool body. Chutes are opened inside both of the two adjusting blocks. A fixing screw threadedly connected to the boring tool body is connected inside the chute. Limit grooves are opened on the side walls of both of the two adjusting blocks, and a limiting strip is slidably connected inside the limit groove.

[0008] As a further scheme of the present utility model: Mounting blocks are fixed on the outer walls of both of the two adjusting blocks, and a boring blade is mounted on one side of the mounting block.

[0009] As a further scheme of the present utility model: A fixing bolt threadedly connected to the mounting block is installed inside the boring blade.

[0010] As a further scheme of the present utility model: A scale is fixed on the outer wall of the boring tool body, and a fixing rod is fixed at one end of the boring tool body.

[0011] As a further scheme of the present utility model: A fixing disk is fixed at the end of the fixing rod.

[0012] As a further scheme of the present utility model: A limit hole is opened inside the outer surface of the fixing disk, and a mounting hole is opened inside the fixing disk.

[0013] As a further scheme of the present utility model: A connecting block fixedly connected to the fixing rod is inserted and connected inside the mounting hole, and a limit bolt abutted and connected to the connecting block is mounted on the outer surface of the fixing disk.

[0014] The beneficial effects of the present utility model are as follows: Loosen the fixing screw on the adjusting block to release the fixation of the adjusting block. With the cooperation of the chute, the adjusting block can be pulled to move, so as to adjust the two adjusting blocks. And through the provided scale, it is convenient to observe the adjusted diameter, so that the distance between the two boring blades changes, realizing the adjustment of the diameter; Through the limit groove opened inside the adjusting block, with the cooperation of the limiting strip, it can play a role of guiding and limiting. By unscrewing the fixing bolt on the boring blade, the fixing bolt and the mounting block are separated, thereby releasing the fixation of the boring blade, facilitating the disassembly and replacement of the boring blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 2 is a three-dimensional structural schematic diagram of the boring tool body of the present utility model;

[0017] Figure 3 is a three-dimensional structural schematic diagram of the fixing disk of the present utility model;

[0018] Figure 4 is the present utility modelFigure 1 Enlarged view at position A in the middle.

[0019] In the figure: 1, boring tool body; 2, adjusting block; 21, sliding groove; 22, fixing screw; 23, limiting groove; 24, limiting strip; 25, mounting block; 26, boring blade; 27, fixing bolt; 3, scale; 4, fixing rod; 5, fixing plate; 6, limiting hole; 7, mounting hole; 8, connecting block; 9, limiting bolt. Specific implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Embodiment 1

[0021] As Figures 1 to 4 shown, a composite boring tool for machining automotive parts includes a boring tool body 1, and an adjusting mechanism for adjusting the blade is installed on one side of the boring tool body 1;

[0022] The adjusting mechanism includes two adjusting blocks 2. The two adjusting blocks 2 are both arranged on one side of the boring tool body 1. Sliding grooves 21 are opened inside the two adjusting blocks 2. A fixing screw 22 threadedly connected to the boring tool body 1 is connected inside the sliding groove 21. Limiting grooves 23 are opened on the side walls of the two adjusting blocks 2. A limiting strip 24 is slidably connected inside the limiting groove 23. Mounting blocks 25 are fixed on the outer walls of the two adjusting blocks 2. A boring blade 26 is installed on one side of the mounting block 25. A fixing bolt 27 threadedly connected to the mounting block 25 is installed inside the boring blade 26. Loosen the fixing screw 22 on the adjusting block 2 to release the fixation of the adjusting block 2. With the cooperation of the sliding groove 21, the adjusting block 2 can be pulled to move, thereby adjusting the two adjusting blocks 2. And through the provided scale 3, it is convenient to observe the adjusted diameter, so that the distance between the two boring blades 26 changes, realizing the adjustment of the diameter. And through the limiting groove 23 opened inside the adjusting block 2, with the cooperation of the limiting strip 24, it can play a role of guiding and limiting. By removing the fixing bolt 27 on the boring blade 26, the fixing bolt 27 and the mounting block 25 are separated, thereby releasing the fixation of the boring blade 26, facilitating the disassembly and replacement of the boring blade 26. Embodiment 2

[0023] In addition to all the technical features included in the first embodiment, this embodiment further includes: a scale 3 is fixed on the outer wall of the boring tool body 1, a fixed rod 4 is fixed at one end of the boring tool body 1, a fixed disk 5 is fixed at the end of the fixed rod 4, a limiting hole 6 is formed inside the outer surface of the fixed disk 5, a mounting hole 7 is formed inside the fixed disk 5, a connecting block 8 fixedly connected to the fixed rod 4 is inserted and connected inside the mounting hole 7, a limiting bolt 9 abutting against the connecting block 8 is mounted on the outer surface of the fixed disk 5, the fixed disk 5 and the driving device are connected and fixed, and the provided limiting hole 6 can be engaged with the output end of the driving device to achieve the positioning function. By unscrewing the limiting bolt 9 on the fixed disk 5, the fixing of the connecting block 8 can be released, and with the cooperation of the mounting hole 7, the fixed rod 4 can be removed from the fixed disk 5, which is convenient for disassembly and maintenance.

[0024] Working principle: Before using the composite boring tool for machining automotive parts, first connect and fix the fixed disk 5 and the driving device through the fixed disk 5 provided on the fixed rod 4. The provided limiting hole 6 can be engaged with the output end of the driving device to achieve the positioning function. The driving device drives the boring tool body 1 to rotate, and then the workpiece is machined. When machining holes with different diameters, the fixing screw 22 on the adjusting block 2 can be loosened to release the fixing of the adjusting block 2. With the cooperation of the sliding groove 21, the adjusting block 2 can be pulled to move, and then the two adjusting blocks 2 can be adjusted. And through the provided scale 3, it is convenient to observe the adjusted diameter, so that the distance between the two boring blades 26 changes to achieve the adjustment of the diameter. And through the limiting groove 23 formed inside the adjusting block 2, with the cooperation of the limiting strip 24, it can play a role of guiding and limiting. By unscrewing the fixing bolt 27 on the boring blade 26, the fixing bolt 27 is separated from the mounting block 25, and then the fixing of the boring blade 26 is released, which is convenient for disassembling and replacing the boring blade 26. By unscrewing the limiting bolt 9 on the fixed disk 5, the fixing of the connecting block 8 can be released, and with the cooperation of the mounting hole 7, the fixed rod 4 can be removed from the fixed disk 5, which is convenient for disassembly and maintenance.

[0025] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0026] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A combined boring tool for machining automotive parts, comprising a boring tool body (1), characterized in that: One side of the boring tool body (1) is provided with an adjusting mechanism for adjusting the cutting blade; The adjusting mechanism includes adjusting blocks (2). There are two adjusting blocks (2), and both of the two adjusting blocks (2) are arranged on one side of the boring tool body (1). Sliding grooves (21) are formed inside both of the two adjusting blocks (2). A fixing screw (22) that is threadedly connected to the boring tool body (1) is connected inside the sliding groove (21). Limiting grooves (23) are formed on the side walls of both of the two adjusting blocks (2), and a limiting strip (24) is slidably connected inside the limiting groove (23).

2. The composite boring tool for machining automotive parts according to claim 1, wherein: Mounting blocks (25) are fixed on the outer walls of both of the two adjusting blocks (2), and a boring blade (26) is mounted on one side of the mounting block (25).

3. The composite boring tool for machining automotive parts according to claim 2, characterized in that: A fixing bolt (27) that is threadedly connected to the mounting block (25) is mounted inside the boring blade (26).

4. The composite boring tool for machining automotive parts according to claim 1, characterized in that: A scale (3) is fixed on the outer wall of the boring tool body (1), and a fixing rod (4) is fixed at one end of the boring tool body (1).

5. The composite boring tool for machining automotive parts according to claim 4, characterized in that: A fixing plate (5) is fixed at the end of the fixing rod (4).

6. The composite boring tool for machining automotive parts according to claim 5, characterized in that: Limiting holes (6) are formed inside the outer surface of the fixing plate (5), and mounting holes (7) are formed inside the fixing plate (5).

7. The composite boring tool for machining automotive parts according to claim 6, characterized in that: A connecting block (8) that is fixedly connected to the fixing rod (4) is inserted and connected inside the mounting hole (7), and a limiting bolt (9) that abuts against the connecting block (8) is mounted on the outer surface of the fixing plate (5).

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