Mounting structure of boring cutter

Abstract

The utility model relates to the technical field of boring cutters, in particular to a boring cutter mounting structure which comprises a rotating shaft, a fixed mounting groove is formed in one end of the rotating shaft, a first thread groove, a second thread groove and a third thread groove are formed in the inner side of the fixed mounting groove, a connecting cutter handle is arranged on the inner side of the fixed mounting groove, and the connecting cutter handle is connected with the rotating shaft. A second bolt and a first bolt are connected between the connecting cutter handle and the first threaded groove and between the connecting cutter handle and the second threaded groove, a mounting groove is formed in one end of the connecting cutter handle, and a cutter is arranged on the inner side of the mounting groove. When the fastening bolt and the connecting cutter handle are connected and fixed, the limiting mechanism can limit the fastening bolt, the situation that the fastening bolt is loosened due to vibration generated in the actual using process is avoided, and operation is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of boring tools, in particular to an installation structure of a boring tool. Background Art

[0002] A boring tool is a kind of hole machining tool. Generally, it has a round shank, and for larger workpieces, a square tool bar is used, which is commonly seen in vertical lathes. The most common applications are inner hole machining, reaming, profiling, etc.

[0003] During the use of the existing boring tool, it is usually connected and fixed to the tool shank by bolts. However, in actual use, the bolts cannot restrict the connection between the tool and the tool shank. During use, vibrations will occur between the tool and the tool shank, which is likely to cause looseness between the tool and the tool shank. Therefore, we propose an installation structure for a boring tool. Summary of the Utility Model

[0004] In view of the above problems, the utility model provides an installation structure for a boring tool, which can solve the problems existing in the above background art.

[0005] The technical solution of the utility model is as follows:

[0006] An installation structure of a boring tool includes a rotating shaft. One end of the rotating shaft is provided with a fixed installation groove. The inner side of the fixed installation groove is provided with a first thread groove, a second thread groove and a third thread groove. The inner side of the fixed installation groove is provided with a connecting tool shank. A second bolt and a first bolt are connected between the connecting tool shank and the first thread groove and the second thread groove. One end of the connecting tool shank is provided with an installation groove. A tool is arranged inside the installation groove. A fastening bolt is connected between the tool, the connecting tool shank and the third thread groove. A fixed limit groove is arranged at the top of the fastening bolt. A limit mechanism is arranged inside the connecting tool shank.

[0007] In a further technical solution, a fixed limit guide groove is arranged inside the fixed installation groove, and a connecting insertion block is arranged on the outer surface of the connecting tool shank.

[0008] In a further technical solution, the cross-sectional shapes of the fixed limit guide groove and the connecting insertion block are T-shaped, and the outer surface of the connecting insertion block is mutually attached to the inner side of the fixed limit guide groove.

[0009] In a further technical solution, the limit mechanism includes a connecting installation spring. One end of the connecting installation spring is fixedly connected with a moving installation block, and a connecting limit clamping rod is fixedly connected to one side of the moving installation block.

[0010] In a further technical solution, the outer surface of the connecting limit clamping rod is mutually attached to the inner side of the fixed limit groove.

[0011] In a further technical solution, a guide groove adapted to the movable mounting block is provided inside the connecting tool holder.

[0012] In a further technical solution, a fixed limiting block is provided on the inner side of the mounting groove, and a fixed limiting card slot is provided on one side of the tool.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. Through the mutual cooperation between the provided limiting mechanism and the fixed limiting groove, when the fastening bolt is connected and fixed with the connecting tool holder, the limiting mechanism can limit the fastening bolt, avoiding loosening of the fastening bolt caused by vibration during actual use, and the operation is convenient and fast;

[0015] 2. Through the mutual cooperation between the provided fixed limiting guide groove and the connecting plug, the vertical direction between the rotating shaft and the connecting tool holder can be restricted, so that the connecting tool holder can be stably located inside the fixed mounting groove and stably connected with the rotating shaft, and the operation is convenient. Description of the Drawings

[0016] Figure 1 is the overall structural schematic diagram of an installation structure of a boring tool of an embodiment of the present utility model;

[0017] Figure 2 is the structural schematic diagram of a fixed limiting guide groove of an installation structure of a boring tool of an embodiment of the present utility model;

[0018] Figure 3 is the structural schematic diagram of a limiting mechanism of an installation structure of a boring tool of an embodiment of the present utility model.

[0019] Description of the Reference Numerals in the Drawings:

[0020] 1. Rotating shaft; 2. Fixed mounting groove; 3. First thread groove; 4. Second thread groove; 5. Third thread groove; 6. Connecting tool holder; 7. Mounting groove; 8. Tool; 9. Fastening bolt; 10. Fixed limiting groove; 11. Limiting mechanism; 12. First bolt; 13. Second bolt; 14. Fixed limiting guide groove; 15. Connecting plug; 16. Connecting mounting spring; 17. Movable mounting block; 18. Connecting limiting rod; 19. Fixed limiting block; 20. Fixed limiting card slot. Detailed Embodiment

[0021] The following further describes the embodiments of the present utility model with reference to the drawings.

[0022] Embodiment:

[0023] As Figures 1 - 3As shown in the figure, an installation structure of a boring tool includes a rotating shaft 1. One end of the rotating shaft 1 is provided with a fixed installation groove 2. The inner side of the fixed installation groove 2 is provided with a first thread groove 3, a second thread groove 4, and a third thread groove 5. A connecting tool holder 6 is arranged inside the fixed installation groove 2. A second bolt 13 and a first bolt 12 are connected between the connecting tool holder 6 and the first thread groove 3 and the second thread groove 4. An installation groove 7 is opened at one end of the connecting tool holder 6. A tool 8 is arranged inside the installation groove 7. A fastening bolt 9 is connected between the tool 8, the connecting tool holder 6, and the third thread groove 5. A fixed limit groove 10 is opened at the top of the fastening bolt 9. A limit mechanism 11 is arranged inside the connecting tool holder 6.

[0024] The working principle of the above technical solution is as follows:

[0025] During the use process, the rotating shaft 1 and the connecting tool holder 6 are connected and fixed by the first bolt 12 and the second bolt 13. Then, the limit mechanism 11 is adjusted so that the tool 8 and the fastening bolt 9 can be connected and fixed to the connecting tool holder 6. Finally, the limit mechanism 11 is reset so that the limit mechanism 11 can limit the fastening bolt 9 to avoid loosening due to vibration during the use process, and the operation is convenient.

[0026] In another embodiment, as Figure 2 and Figure 3 shown, a fixed limit guide groove 14 is opened on the inner side of the fixed installation groove 2, and a connecting insertion block 15 is arranged on the outer side of the surface of the connecting tool holder 6.

[0027] When the rotating shaft 1 and the connecting tool holder 6 are connected, the connecting insertion block 15 can be inserted into the inner side of the fixed limit guide groove 14, thereby performing connection limitation.

[0028] In another embodiment, as Figure 2 and Figure 3 shown, the cross-sectional shapes of the fixed limit guide groove 14 and the connecting insertion block 15 are T-shaped, and the outer side of the surface of the connecting insertion block 15 is mutually attached to the inner side of the fixed limit guide groove 14.

[0029] It is convenient for the connecting insertion block 15 to be stably stuck inside the fixed limit guide groove 14, improving the connection stability.

[0030] In another embodiment, as Figure 3 shown, the limit mechanism 11 includes a connecting installation spring 16. One end of the connecting installation spring 16 is fixedly connected with a moving installation block 17, and one side of the moving installation block 17 is fixedly connected with a connecting limit clamping rod 18.

[0031] It is convenient to move the movable mounting block 17, so that the movable mounting block 17 can compress the connecting mounting spring 16 and drive the connecting limit rod 18 to move, thereby quickly adjusting and facilitating the operation.

[0032] In another embodiment, as Figure 3 shown, the outer surface of the connecting limit rod 18 fits closely with the inner side of the fixed limit groove 10.

[0033] It is convenient for the connecting limit rod 18 to be stably stuck inside the fixed limit groove 10, thereby restricting the fastening bolt 9 and facilitating the operation.

[0034] In another embodiment, as Figure 3 shown, a guide groove adapted to the movable mounting block 17 is provided inside the connecting tool handle 6.

[0035] It is convenient for the movable mounting block 17 to stably move inside the connecting mounting spring 16 and facilitate the operation.

[0036] In another embodiment, as Figure 3 shown, a fixed limit block 19 is provided inside the mounting groove 7, and a fixed limit card slot 20 is provided on one side of the tool 8.

[0037] When the tool 8 is inside the mounting groove 7, it is convenient for the fixed limit card slot 20 to fit closely with the fixed limit block 19, improving the connection stability and facilitating the operation.

[0038] The working principle of the present utility model: During use, drive the connecting plug 15 to move the connecting tool handle 6, so that the connecting plug 15 can be inserted into the inner side of the fixed limit guide groove 14. Then, use the first bolt 12 and the second bolt 13 to connect and fix the rotating shaft 1 and the connecting tool handle 6. Then, move the movable mounting block 17 to compress the connecting mounting spring 16, and at the same time drive the connecting limit rod 18 to move. Then, place the tool 8 inside the mounting groove 7 so that the fixed limit card slot 20 can be sleeved on the outer surface of the fixed limit block 19. Finally, rotate and insert the fastening bolt 9 into the tool 8, the connecting tool handle 6, and the rotating shaft 1, thereby being able to connect and fix the tool 8. Finally, release the movable mounting block 17. When the connecting mounting spring 16 pushes the movable mounting block 17, drive the connecting limit rod 18 to move, so that the connecting limit rod 18 can be stuck into the inner side of the fixed limit groove 10, thereby restricting and fixing the fastening bolt 9 to prevent loosening, and the operation is convenient and fast.

[0039] The above embodiments only represent the specific implementation manners of the present utility model, and the description thereof is relatively specific and detailed. However, it should not be construed as a limitation on the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model.

Claims

1. An installation structure of a boring tool, comprising a rotating shaft (1), characterized in that: One end of the rotating shaft (1) is provided with a fixed installation groove (2). Inside the fixed installation groove (2), a first thread groove (3), a second thread groove (4) and a third thread groove (5) are provided. Inside the fixed installation groove (2), a connecting tool handle (6) is provided. A second bolt (13) and a first bolt (12) are connected between the connecting tool handle (6) and the first thread groove (3) and the second thread groove (4). One end of the connecting tool handle (6) is provided with an installation groove (7). Inside the installation groove (7), a tool (8) is provided. A fastening bolt (9) is connected between the tool (8), the connecting tool handle (6) and the third thread groove (5). The top of the fastening bolt (9) is provided with a fixed limit groove (10). A limit mechanism (11) is provided inside the connecting tool handle (6).

2. The installation structure of a boring tool according to claim 1, characterized in that: Inside the fixed installation groove (2), a fixed limit guide groove (14) is provided. Outside the surface of the connecting tool handle (6), a connecting plug (15) is provided.

3. The installation structure of a boring tool according to claim 2, characterized in that: The cross-sectional shapes of the fixed limit guide groove (14) and the connecting plug (15) are T-shaped. The outside of the surface of the connecting plug (15) is mutually attached to the inside of the fixed limit guide groove (14).

4. The installation structure of a boring tool according to claim 1, characterized in that: The limit mechanism (11) includes a connecting installation spring (16). One end of the connecting installation spring (16) is fixedly connected with a moving installation block (17). One side of the moving installation block (17) is fixedly connected with a connecting limit clamping rod (18).

5. The installation structure of a boring tool according to claim 4, characterized in that: The outside of the surface of the connecting limit clamping rod (18) is mutually attached to the inside of the fixed limit groove (10).

6. The installation structure of a boring tool according to claim 1, characterized in that: Inside the connecting tool handle (6), a guide groove adapted to the moving installation block (17) is provided.

7. The installation structure of a boring tool according to claim 1, characterized in that: Inside the installation groove (7), a fixed limit block (19) is provided. One side of the tool (8) is provided with a fixed limit card slot (20).

Images