Boring cutter for outer circle machining

Abstract

The utility model belongs to the technical field of boring cutters, particularly relates to a boring cutter for outer circle machining, and aims to solve the problem of limited use in the prior art, the following scheme is provided: the boring cutter comprises a connecting end, a clamping block is fixed below the outer wall of the connecting end, a rotating block is rotatably connected outside the clamping block, a boring cutter main body is fixed at the bottom end of the rotating block, and the boring cutter main body is fixed on the connecting end. A connecting mechanism is arranged on one side of the boring cutter main body; when punching machining needs to be conducted on the interior of a material, the connecting rod is directly inserted into the connecting end, the inner hole cutter body is made to be located at the bottom end of the connecting end, then the limiting block is aligned with the limiting hole, and the spring pushes the penetrating-out block to penetrate out of the containing groove to conduct limiting after not bearing pressure. And meanwhile, the outer circle boring cutter main body is prevented from excessively rotating along with the connecting end through the rotating block and the clamping block, and the inner diameter punching is prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to a boring tool for external cylindrical machining, in particular to a boring tool used for external cylindrical machining, belonging to the technical field of boring tools. Background Art

[0002] Common external cylindrical machining methods for parts include turning, milling and boring, but they all have certain limitations, especially for some special parts, which require boring tool machining to process the external cylindrical shape.

[0003] In the prior art, there is a cylindrical boring tool structure with adjustable processing size disclosed in announcement number CN221209910U. When adjusting the processing size, the auxiliary parts are loosened and the cutter head is rotated to change the relative position of the cutter head and the tool handle, thereby adjusting the processing size. In addition, the cylindrical boring tool structure transforms subtle size adjustment into obvious angle adjustment. The tip of the blade extends beyond the edge of the blade slot, and the straight-line distance from the tip of the blade to the axis of the tool handle is equal to the radius of the required processing size, which facilitates the processing of the outer circle, greatly reduces production costs, and improves processing accuracy and efficiency.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned design of an external cylindrical boring cutter structure with adjustable processing size has the following problems: in the prior art, the length of the milling cutter can be adjusted through the cooperation of components such as the cutter head, but in the actual use process, the boring cutter can only complete one of the tasks of external cylindrical boring and internal hole boring. Therefore, when using it, it is necessary to prepare multiple equipment of different specifications at the same time, or the boring cutter needs to be disassembled, assembled and replaced, which is more troublesome. In view of this, a boring cutter for external cylindrical processing is provided to overcome the above-mentioned defects. Utility Model Content

[0005] The utility model provides a boring tool for external cylindrical machining to solve the problem that the above-mentioned boring tool can only complete one of the tasks of external cylindrical boring and internal hole boring, so it is necessary to prepare multiple equipment of different specifications at the same time when using it, or the boring tool needs to be disassembled, assembled and replaced, which is relatively troublesome.

[0006] The utility model achieves the above-mentioned object through the following technical solutions: a boring tool for external cylindrical processing, comprising a connecting end, a clamping block fixed below the outer wall of the connecting end, and a rotating block rotatably connected to the outside of the clamping block, a boring tool body fixed to the bottom end of the rotating block, and a connecting mechanism provided on one side of the boring tool body;

[0007] The connecting mechanism includes an inner hole cutter body, the inner hole cutter body passes through the bottom end of the connecting end, and a connecting rod is fixed to one end of the inner hole cutter body that passes through the connecting end, the connecting rod passes through the outer wall of one end of the connecting end to fix a limiting block, and a passing block passes through the inside of the limiting block, an accommodating groove is provided on the inner wall of the limiting block corresponding to the position of the passing block, and a spring is embedded on one side of the accommodating groove, and a limiting hole is provided on the outer wall of the connecting end corresponding to the position of the passing block.

[0008] As a further solution of the present invention: a rotating structure is formed between the engaging block and the rotating block, and the engaging block is welded to the connecting end.

[0009] As a further solution of the present invention: a sliding structure is formed between the penetration block and the placement groove, and an elastic structure is formed between the penetration block and the limiting block through a spring.

[0010] As a further solution of the present invention: a positioning mechanism is provided on the outside of the connecting end, and the positioning mechanism includes a fixing block, which is fixed above the engaging block on the outer wall of the connecting end, and a positioning groove is provided inside the fixing block corresponding to the position of the passing block.

[0011] As a further solution of the present invention: the positioning mechanism also includes a sleeve, which is fixed to the bottom end of the fixed block, and the internal rotation of the sleeve is connected to a rotating rod, and a through hole is opened at the top of the locking block corresponding to the position of the rotating rod.

[0012] As a further solution of the present invention: the positioning mechanism further includes a limiting ring, which is fixed at a position inside the rotating block corresponding to the engaging block, and a positioning hole is provided on the inner wall of the limiting ring.

[0013] As a further solution of the present invention: the rotating rod is threadedly connected to the sleeve, and the sleeve is fixedly connected to the fixing block.

[0014] The beneficial effect of the present invention is that when it is necessary to punch a hole inside the material, the connecting rod is directly inserted into the connecting end, so that the inner hole cutter body is located at the bottom end of the connecting end, and then the limit block is aligned with the limit hole. After the spring is no longer under pressure, the penetration block is pushed out of the placement groove for limiting, so that the inner hole cutter body can be quickly limited so that the inner diameter punching can be performed, which improves applicability and comprehensiveness. At the same time, the outer cylindrical boring cutter body is prevented from excessively following the rotation of the connecting end through the rotating block and the locking block to prevent affecting the inner diameter punching; the sleeve fixed by the fixing block is threadedly connected to the rotating rod, so that it can be rotated and then inserted into the positioning hole of the limiting ring through the through hole to play a limiting effect. When outer cylindrical processing is performed and the connecting mechanism is not installed, the boring cutter body can be fixed so as to perform outer cylindrical processing, and at the same time, the positioning groove is cooperated to improve the stability of the penetration block. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the boring tool of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the limit block of the utility model;

[0018] Figure 4 This is a schematic diagram of the spring structure of the utility model;

[0019] Figure 5 For this utility model Figure 1 Enlarged view of point A in the middle;

[0020] Figure 6 This is a schematic diagram of the limit ring structure of the utility model.

[0021] In the figure: 1. connecting end; 2. engaging block; 3. rotating block; 4. boring tool body; 5. connecting mechanism; 501. inner hole tool body; 502. connecting rod; 503. limiting block; 504. limiting hole; 505. passing block; 506. placement groove; 507. spring; 6. positioning mechanism; 601. fixing block; 602. positioning groove; 603. sleeve; 604. rotating rod; 605. through hole; 606. limiting ring; 607. positioning hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1

[0023] like Figures 1 to 6As shown, a boring tool for external cylindrical processing includes a connecting end 1, a clamping block 2 is fixed at the lower part of the outer wall of the connecting end 1, a rotating block 3 is connected to the outside of the clamping block 2 for rotation, a boring tool body 4 is fixed to the bottom end of the rotating block 3, and a connecting mechanism 5 is provided on one side of the boring tool body 4; the connecting mechanism 5 includes an inner hole cutter body 501, the inner hole cutter body 501 passes through the bottom end of the connecting end 1, and a connecting rod 502 is fixed to one end of the inner hole cutter body 501 passing through the connecting end 1, and a limiting block 503 is fixed on the outer wall of the connecting rod 502 passing through one end of the connecting end 1, and a passing block 505 is passed through the inside of the limiting block 503, and a placement groove 506 is provided on the inner wall of the limiting block 503 corresponding to the position of the passing block 505, and a spring 507 is embedded on one side of the placement groove 506, and a limiting hole is provided on the outer wall of the connecting end 1 corresponding to the position of the passing block 505 504, a rotating structure is formed between the locking block 2 and the rotating block 3, the locking block 2 is welded to the connecting end 1, a sliding structure is formed between the penetration block 505 and the placement groove 506, and an elastic structure is formed between the penetration block 505 and the limit block 503 through the spring 507; when it is necessary to punch the inside of the material, directly insert the connecting rod 502 into the connecting end 1, so that the inner hole cutter body 501 is located at the bottom end of the connecting end 1, and then the limit block 503 is aligned with the limit hole 504. After the spring 507 is not under pressure, it pushes the penetration block 505 to pass through the placement groove 506 for limiting, so that the inner hole cutter body 501 can be quickly limited so that the inner diameter punching can be performed to improve applicability and comprehensiveness. At the same time, the outer cylindrical boring tool body 4 passes through the rotating block 3 and the locking block 2 to avoid excessive rotation with the connecting end 1 to prevent affecting the inner diameter punching. Example 2

[0024] In addition to all the technical features of the first embodiment, the present embodiment further includes: a positioning mechanism 6 is provided on the outside of the connection end 1, the positioning mechanism 6 includes a fixed block 601, the fixed block 601 is fixed above the outer wall of the connection end 1, a positioning groove 602 is provided inside the fixed block 601 at a position corresponding to the position of the through-block 505, the positioning mechanism 6 also includes a sleeve 603, the sleeve 603 is fixed to the bottom end of the fixed block 601, the internal rotation of the sleeve 603 is connected to a rotating rod 604, a through hole 605 is provided at the top of the engaging block 2 corresponding to the position of the rotating rod 604, the positioning mechanism 6 also includes a limiting ring 606, the limiting ring 606 is fixed at the position of the locking block 2 inside the rotating block 3, and a positioning hole 607 is provided on the inner wall of the limiting ring 606. The rotating rod 604 is threadedly connected to the sleeve 603, and the sleeve 603 is fixedly connected to the fixed block 601; the sleeve 603 fixed by the fixed block 601 is threadedly connected to the rotating rod 604, so that it can be rotated and inserted into the positioning hole 607 of the limiting ring 606 through the through hole 605 to play a limiting effect. When external cylindrical machining is performed and the connecting mechanism 5 is not installed, the boring tool body 4 can be fixed to perform external cylindrical machining, and at the same time, the positioning groove 602 is cooperated with to improve the stability of the penetration block 505.

[0025] Working principle: The connecting end 1, the engaging block 2, the rotating block 3 and the boring tool body 4 form an external cylindrical boring tool. When it is necessary to punch a hole inside an object, the connecting rod 502 is directly inserted so that the inner hole cutter body 501 is located at the bottom of the connecting end 1. When the limiting block 503 corresponds to the limiting hole 504, the spring 507 elastically pushes the penetrating block 505 out of the placement groove 506, thereby limiting the position with the limiting hole 504. This can prevent the inner hole cutter body 501 from shaking or loosening when it is driven to rotate. In the case where the external cylindrical boring tool is used alone, the connecting mechanism 5 is removed, and under the fixation of the fixed block 601, the rotating rod 604 is twisted to pass through the sleeve 603, and inserted into the positioning hole 607 of the limiting ring 606 through the through hole 605, thereby limiting the rotating block 3 and the boring tool body 4 to rotate along with the connecting end 1 for external cylindrical processing. At the same time, the positioning groove 602 opened on the fixed block 601 can further limit the passing block 505 to improve stability.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0027] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A boring tool for external cylindrical machining, comprising a connecting end (1), characterized in that: A locking block (2) is fixed below the outer wall of the connecting end (1), and the outer portion of the locking block (2) is rotatably connected to a rotating block (3), a boring tool body (4) is fixed to the bottom end of the rotating block (3), and a connecting mechanism (5) is provided on one side of the boring tool body (4); The connecting mechanism (5) includes an inner hole cutter body (501), the inner hole cutter body (501) passes through the bottom end of the connecting end (1), and a connecting rod (502) is fixed to one end of the inner hole cutter body (501) passing through the connecting end (1), the connecting rod (502) passes through the outer wall of one end of the connecting end (1) to fix a limiting block (503), and a passing block (505) passes through the interior of the limiting block (503), an accommodating groove (506) is opened on the inner wall of the limiting block (503) at a position corresponding to the passing block (505), and a spring (507) is embedded on one side of the accommodating groove (506), and a limiting hole (504) is opened on the outer wall of the connecting end (1) at a position corresponding to the passing block (505).

2. A boring tool for external cylindrical machining according to claim 1, characterized in that: A rotating structure is formed between the locking block (2) and the rotating block (3), and the locking block (2) is welded to the connecting end (1).

3. The boring tool for external cylindrical machining according to claim 1, characterized in that: A sliding structure is formed between the penetration block (505) and the placement groove (506), and an elastic structure is formed between the penetration block (505) and the limiting block (503) via the spring (507).

4. The boring tool for external cylindrical machining according to claim 1, characterized in that: A positioning mechanism (6) is provided on the outside of the connecting end (1), and the positioning mechanism (6) comprises a fixing block (601). The fixing block (601) is fixed above the engaging block (2) on the outer wall of the connecting end (1), and a positioning groove (602) is provided inside the fixing block (601) at a position corresponding to the passing block (505).

5. The boring tool for external cylindrical machining according to claim 4, characterized in that: The positioning mechanism (6) further comprises a sleeve (603), the sleeve (603) being fixed to the bottom end of the fixed block (601), and the interior of the sleeve (603) being rotatably connected to a rotating rod (604), and a through hole (605) being provided at the top end of the engaging block (2) corresponding to the position of the rotating rod (604).

6. The boring tool for external cylindrical machining according to claim 4, characterized in that: The positioning mechanism (6) further comprises a limiting ring (606), wherein the limiting ring (606) is fixed at a position inside the rotating block (3) corresponding to the engaging block (2), and a positioning hole (607) is provided on the inner wall of the limiting ring (606).

7. The boring tool for external cylindrical machining according to claim 5, characterized in that: The rotating rod (604) is threadedly connected to the sleeve (603), and the sleeve (603) is fixedly connected to the fixed block (601).

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