Internal boring tool with positioning clamping sleeve

Abstract

The utility model relates to the technical field of internal bore boring tools, and in particular to an internal bore boring tool with a positioning clamping sleeve, comprising a clamping sleeve, a socket is provided at the top of the clamping sleeve, a fixing structure is provided on both sides of the socket, a threaded rod is fixedly installed inside the socket, a boring head is threadedly connected to the outer side of the threaded rod, the boring head comprises a first boring head and a second boring head, the second boring head is connected above the first boring head, and an adjustment component is provided at the connection between the first boring head and the second boring head. In the utility model, the adjustment of the distance between the first boring head and the second boring head is achieved through the adjustment component, so that the boring head can be applied to the processing effects of workpieces with different deep diameters, and the fixed installation of boring heads of different diameters can be achieved through the fixing structure, thereby increasing the adaptability of the diameter size of the boring head installed by the clamping sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of inner hole boring cutters, in particular to an inner hole boring cutter with a positioning clamping sleeve. Background Art

[0002] A boring tool is a type of boring tool. It usually has a round shank, but square shanks are also used for larger workpieces. It is most commonly used in internal hole processing, hole expansion, profiling, etc. It has one or two cutting parts and is specially used for rough processing, semi-finishing or finishing of existing holes. It can be used on boring machines, lathes or milling machines. When using it, appropriate modules can be selected according to the requirements of the workpiece and assembled into various boring tools, thereby simplifying the design and manufacture of the tool.

[0003] The patent specification with announcement number CN218503375U discloses an integrated inner hole and outer circle boring tool. The shank and the neck of the integrated inner hole and outer circle boring tool are integrally formed and the whole is made of cemented carbide material. Through the integrated design of the outer circle turning tool, the inner hole boring tool and the inner hole groove boring tool, the processing cycle can be shortened, and the tool cost and tool storage space can be saved.

[0004] The boring tool of the above-mentioned design has the following problems: the outer cylindrical turning tool, inner hole boring tool and inner hole groove boring tool of the integrated inner hole and outer circle boring tool are of one-piece design, and the tool handle and tool neck are also of one-piece design. Therefore, when the boring tool is used in the subsequent use to process sizes of different depths, the boring tool needs to be constantly replaced, which reduces its processing efficiency. Moreover, when the boring tool is replaced, if the processing position of the boring tool changes, it will affect the precision of the workpiece. In view of this, an inner hole boring tool with a positioning clamping sleeve is provided to overcome the above-mentioned defects. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes an inner hole boring tool with a positioning clamping sleeve.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an inner hole boring tool with a positioning clamping sleeve, the clamping sleeve, the top of the clamping sleeve is provided with a socket, the bottom of the socket is fixedly installed with a shock-absorbing rubber pad, the two sides of the socket are provided with a fixing structure, and the inside of the socket is fixedly installed with a threaded rod;

[0007] The outer side of the threaded rod is threadedly connected with a boring head, the boring head comprises a first boring head and a second boring head, the second boring head is connected above the first boring head, and an adjustment component is provided at the connection between the first boring head and the second boring head;

[0008] The adjustment assembly includes a rotating rod, which is rotatably mounted on the first boring head and has a thread on the outer side of the rotating rod. The outer side of the rotating rod is threadedly connected to two groups of clamping plates, and mounting plates are fixedly mounted at the connection points at both ends of the two groups of clamping plates.

[0009] As a further description of the above technical solution: a bolt hole is provided in the middle of the mounting plate, and an oblique socket is provided on one side of one group of the mounting plates, and a connecting rod is provided inside the oblique socket.

[0010] As a further description of the above technical solution: a mounting groove matching the rotating rod is provided at the connection between the second boring head and the rotating rod, and the mounting groove is provided on the second boring head.

[0011] As a further description of the above technical solution: the fixed structure includes two groups of arc plates, a plug rod is fixedly installed on the side of the arc plate close to the socket, a limiting rod is fixedly installed on the side of the arc plate close to the first boring head, one end of the plug rod passes through the socket and the clamping sleeve, and is fixedly installed with a clamping plate.

[0012] As a further description of the above technical solution: a compression spring is fixedly installed on one side of the clamping plate, and the other end of the compression spring is fixedly installed on the clamping sleeve.

[0013] As a further description of the above technical solution: a limiting opening matching the limiting rod is provided at the connection between the first boring head and the limiting rod, and the limiting opening is provided on the first boring head.

[0014] As a further description of the above technical solution: the boring head is a fine-grained tungsten steel base material.

[0015] The utility model has the following beneficial effects:

[0016] The utility model designs an inner hole boring tool with a positioning clamping sleeve. By rotating a rotating rod, a second boring tool head is threadedly connected to a first boring tool head. After the position adjustment is completed, a clamping plate is installed on the outer side of the rotating rod, and nuts are installed on both sides of the clamping plate to fix the clamping plate. The threaded connection between the clamping plate and the rotating rod can prevent the rotating rod from rotating. A connecting rod is installed at one group of mounting plates to fix the position of the mounting plate. In this way, the rotating rod can prevent the mounting plate and the clamping plate from rotating.

[0017] The utility model is designed to provide an inner hole boring tool with a positioning clamping sleeve. Through a fixed structure, a clamping plate can be pulled, and the clamping plate drives the insertion rod and the arc plate to move, so that boring tool heads with different diameters can be inserted into the inside of the socket. When the boring tool head is inserted into the inside of the socket, the boring tool head is threadedly connected with the threaded rod and fixed. The clamping plate is loosened to allow the compression spring to rebound the arc plate and the limit rod, and the position of the boring tool head is fixed by utilizing the connection between the limit rod and the limit opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of a part of the structure of the boring cutter head of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the clamping sleeve of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the inner side surface of the utility model.

[0022] Legend:

[0023] 1. Clamping sleeve; 2. Socket; 3. Shock-absorbing rubber pad; 4. Fixed structure; 401. Arc plate; 402. Insert rod; 403. Limit rod; 404. Clamping plate; 5. Threaded rod; 6. Boring head; 7. First boring head; 8. Second boring head; 9. Adjustment assembly; 901. Rotating rod; 902. Clamping plate; 903. Mounting plate; 10. Oblique socket; 11. Connecting rod; 12. Mounting groove; 13. Compression spring; 14. Limiting port. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1

[0025] Reference Figure 1-4 The utility model provides an inner hole boring tool with a positioning clamping sleeve: comprising a clamping sleeve 1, a socket 2 is provided at the top of the clamping sleeve 1, a shock-absorbing rubber pad 3 is fixedly installed at the bottom of the socket 2, a fixing structure 4 is provided on both sides of the socket 2, and a threaded rod 5 is fixedly installed inside the socket 2;

[0026] The outer side of the threaded rod 5 is threadedly connected with a boring head 6, and the boring head 6 includes a first boring head 7 and a second boring head 8. The second boring head 8 is connected above the first boring head 7, and an adjustment component 9 is provided at the connection between the first boring head 7 and the second boring head 8.

[0027] The adjustment assembly 9 includes a rotating rod 901, which is rotatably mounted on the first boring head 7, and a thread is arranged on the outer side of the rotating rod 901. The outer thread of the rotating rod 901 is connected to two groups of clamping plates 902, and the connection points at both ends of the two groups of clamping plates 902 are fixedly mounted with mounting plates 903.

[0028] As a further implementation scheme of the above technical scheme: a bolt hole is opened in the middle of the mounting plate 903, and an oblique socket 10 is opened on one side of one group of mounting plates 903, and a connecting rod 11 is arranged inside the oblique socket 10, and nuts are installed on both sides of the clamping plate 902 to fix the clamping plate 902, and the threaded connection between the clamping plate 902 and the rotating rod 901 can prevent the rotating rod 901 from rotating, and the connecting rod 11 is installed at one group of mounting plates 903 to fix the position of the mounting plate 903, so that the rotating rod 901 can be prevented from driving the mounting plate 903 and the clamping plate 902 to rotate.

[0029] As a further implementation scheme of the above technical scheme: a mounting groove 12 matching the rotating rod 901 is provided at the connection between the second boring head 8 and the rotating rod 901, and the mounting groove 12 is provided on the second boring head 8. The threaded installation between the mounting groove 12 and the rotating rod 901 enables the second boring head 8 to be connected to the first boring head 7, and the distance between the two can also be changed, thereby increasing the length of the overall boring head 6 and achieving the effect of processing workpieces of different depths and diameters. Embodiment 2

[0030] In addition to all the technical features of the first embodiment, this embodiment also includes:

[0031] As a further implementation scheme of the above technical scheme: the fixed structure 4 includes two groups of arc plates 401, and an insertion rod 402 is fixedly installed on the side of the arc plate 401 close to the socket 2, and a limiting rod 403 is fixedly installed on the side of the arc plate 401 close to the first boring head 7. One end of the insertion rod 402 passes through the socket 2 and the clamping sleeve 1, and a clamping plate 404 is fixedly installed. The boring head 6 inserted into the socket 2 is clamped and fixed by the arc plate 401, and the boring head 6 is limited by the limiting rod 403.

[0032] As a further implementation scheme of the above technical scheme: a compression spring 13 is fixedly installed on one side of the clamping plate 404, and the other end of the compression spring 13 is fixedly installed on the clamping sleeve 1. The compression spring 13 can realize the rebound effect of the clamping plate 404, the arc plate 401 and the insertion rod 402, so that the arc plate 401 can always fit the boring head 6 inserted into the socket 2, and through the compressible effect of the compression spring 13, the fixity of different boring heads 6 inserted into the socket 2 is achieved.

[0033] As a further implementation scheme of the above technical scheme: a limit opening 14 matching the limit rod 403 is provided at the connection between the first boring head 7 and the limit rod 403. The limit opening 14 is provided on the first boring head 7. The limit opening 14 can facilitate the insertion of the limit rod 403 and fix the boring head 6.

[0034] As a further implementation scheme of the above technical scheme: the boring head 6 is made of fine-grained tungsten steel matrix material, which has high wear resistance and hardness, and can reduce the number of times the boring head 6 is used and replaced.

[0035] During the specific implementation, the clamping plate 404 is pulled, and the clamping plate 404 drives the insertion rod 402 and the arc plate 401 to move, so that the boring heads 6 of different diameters can be inserted into the interior of the socket 2, and then the boring head 6 is inserted into the interior of the socket 2, so that the boring head 6 is threadedly connected with the threaded rod 5 and fixed, and the clamping plate 404 is loosened, so that the compression spring 13 can rebound the arc plate 401 and the limit rod 403, and the connection between the limit rod 403 and the limit opening 14 is used to fix the position of the boring head 6, and the rebound effect of the compression spring 13 will make the arc plate 401 always fit the boring head 6 inserted into the socket 2, The fixing of the second boring head 6 inserted into the socket 2 is now checked, and then the rotating rod 901 is rotated to make the second boring head 8 threadedly connected to the first boring head 7. After the position adjustment is completed, the clamping plate 902 is installed on the outer side of the rotating rod 901, and nuts are installed on both sides of the clamping plate 902 to fix the clamping plate 902. The threaded connection between the clamping plate 902 and the rotating rod 901 is used to prevent the rotating rod 901 from rotating. Finally, the connecting rod 11 is installed at one of the groups of mounting plates 903 to fix the position of the mounting plate 903 and prevent the rotating rod 901 from driving the mounting plate 903 and the clamping plate 902 to rotate.

[0036] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An internal boring tool with a positioning clamping sleeve, comprising a clamping sleeve (1), characterized in that: The top of the clamping sleeve (1) is provided with a socket (2), the bottom of the socket (2) is fixedly mounted with a shock-absorbing rubber pad (3), both sides of the socket (2) are provided with fixing structures (4), and the inside of the socket (2) is fixedly mounted with a threaded rod (5); The outer side of the threaded rod (5) is threadedly connected to a boring head (6), the boring head (6) comprising a first boring head (7) and a second boring head (8), the second boring head (8) being connected above the first boring head (7), and an adjustment assembly (9) being provided at the connection between the first boring head (7) and the second boring head (8); The adjustment assembly (9) comprises a rotating rod (901) which is rotatably mounted on the first boring head (7), and a thread is provided on the outer side of the rotating rod (901). The thread on the outer side of the rotating rod (901) is connected to two groups of clamping plates (902), and mounting plates (903) are fixedly mounted at the connection points at both ends of the two groups of clamping plates (902).

2. The inner hole boring tool with a positioning clamping sleeve according to claim 1, characterized in that: A bolt hole is provided in the middle of the mounting plate (903), and an oblique insertion opening (10) is provided on one side of one group of the mounting plates (903), wherein a connecting rod (11) is provided inside the oblique insertion opening (10).

3. The inner hole boring tool with a positioning clamping sleeve according to claim 1, characterized in that: A mounting groove (12) matching the rotating rod (901) is provided at the connection between the second boring head (8) and the rotating rod (901); the mounting groove (12) is provided on the second boring head (8).

4. The inner hole boring tool with a positioning clamping sleeve according to claim 1, characterized in that: The fixing structure (4) comprises two groups of arc-shaped plates (401), an insert rod (402) being fixedly mounted on one side of the arc-shaped plate (401) close to the socket (2), a limit rod (403) being fixedly mounted on one side of the arc-shaped plate (401) close to the first boring head (7), one end of the insert rod (402) passing through the socket (2) and the clamping sleeve (1), and a clamping plate (404) being fixedly mounted thereon.

5. The inner hole boring tool with a positioning clamping sleeve according to claim 4, characterized in that: A compression spring (13) is fixedly mounted on one side of the clamping plate (404), and the other end of the compression spring (13) is fixedly mounted on the clamping sleeve (1).

6. The inner hole boring tool with a positioning clamping sleeve according to claim 4, characterized in that: A limiting opening (14) matching the limiting rod (403) is provided at the connection between the first boring head (7) and the limiting rod (403); the limiting opening (14) is provided on the first boring head (7).

7. The inner hole boring tool with a positioning clamping sleeve according to claim 1, characterized in that: The boring head (6) is made of fine-grained tungsten steel base material.

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