PCD (Polycrystalline Diamond) tooth milling cutter convenient for size adjustment
By introducing fixed guide limiting grooves, connecting extrusion adjustment mechanisms and fastening mechanisms into the PCD milling cutter, the high processing cost caused by the size fixation of the existing PCD milling cutter is solved, and flexible dimensional adjustment and convenient machining adaptability are achieved.
Patent Information
- Application Number
- CN202422340030.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-25
AI Technical Summary
The existing PCD milling teeth cutters are fixed in size and cannot adapt to the thread processing of inner walls of materials of different sizes, resulting in increased processing costs.
A PCD milling cutter including a fixed guide limiting groove, connecting the extrusion adjustment mechanism and the fastening mechanism is designed. By adjusting the coordination of these mechanisms, the movement and tightening of the milling cutter tool is realized to meet the processing needs of different sizes.
It realizes flexible adjustment of milling tool, reduces processing costs, improves applicability and operation convenience, and has a simple structure to facilitate replacement of parts.
Smart Images

Figure CN223114307U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PCD thread milling cutters, in particular to a PCD thread milling cutter which is convenient for size adjustment. Background Art
[0002] When a thread milling cutter works, each tooth cuts the surplus of the workpiece at intervals in turn, and can stably process the thread when processing the internal thread.
[0003] During the use of the existing PCD thread milling cutter, its overall structure is usually fixed. When processing threads on the inner walls of materials with different sizes, different specifications of thread milling cutters usually need to be selected, and the size of the thread milling cutter itself cannot be adjusted, resulting in an increase in the cost of thread processing. For this reason, we propose a PCD thread milling cutter which is convenient for size adjustment. Summary of the Utility Model
[0004] In view of the above problems, the utility model provides a PCD thread milling cutter which is convenient for size adjustment, and can solve the problems existing in the above background art.
[0005] The technical solution of the utility model is as follows:
[0006] A PCD thread milling cutter which is convenient for size adjustment includes a thread milling cutter seat. A fixed installation groove is formed on the outer side of the surface of the thread milling cutter seat. Fixed guiding and limiting grooves are symmetrically formed on the inner side of the fixed installation groove. A thread milling cutter tool is movably inserted into the inner side of the fixed guiding and limiting grooves. A connecting extrusion adjustment mechanism is fixedly connected to the inner side of the fixed installation groove. A first fixed groove is formed on the inner side of the thread milling cutter seat and is located inside the fixed installation groove. A threaded groove is formed inside one end of the thread milling cutter seat. A fastening mechanism is provided at one end of the thread milling cutter seat.
[0007] In a further technical solution, the thread milling cutter tool includes a connecting installation bottom block. A thread milling cutter body is fixedly connected to the top of the connecting installation bottom block. A second fixed groove is formed on one side of the thread milling cutter body. A fixed limiting rod is fixedly connected to one end of the thread milling cutter body.
[0008] In a further technical solution, the connecting extrusion adjustment mechanism includes a fixed frame. An adjustment bolt is movably connected inside the fixed frame. A fixed limiting collar is fixedly sleeved on the outer side of the surface of the adjustment bolt. A moving extrusion block is threadedly connected to the outer side of the surface of the adjustment bolt.
[0009] In a further technical solution, the fastening mechanism includes a fastening bolt. A fastening limiting disc is movably sleeved on the outer side of the surface of the fastening bolt. Fixed limiting through grooves are formed on the surface of the fastening limiting disc.
[0010] In a further technical solution, the outer side of the surface of the connecting and mounting base block is slidably fitted with the inner side of the fixed guiding and limiting groove.
[0011] In a further technical solution, the two end surfaces of the moving extrusion block are respectively slidably fitted with the inner sides of the second fixed groove and the first fixed groove.
[0012] In a further technical solution, the outer side of the surface of the fixed limiting rod is slidably fitted with the inner side of the fixed limiting through groove.
[0013] The beneficial effects of the present utility model are as follows:
[0014] 1. Through the mutual cooperation among the provided fixed guiding and limiting groove, the milling cutter tool, the connecting extrusion adjusting mechanism and the fastening mechanism, during the use process, the fastening mechanism can be loosened, and then the connecting extrusion adjusting mechanism can be adjusted, so that the connecting extrusion adjusting mechanism moves the milling cutter tool, enabling the milling cutter tool to move. Finally, the fastening mechanism is tightly adjusted, thereby enabling the adjustment of the overall processing size, and the operation is convenient.
[0015] 2. The overall structure of the present utility model is simple. At the same time, when it is damaged during the use process, the individual components can be quickly disassembled and replaced, and it can be applicable to different processing sizes, and the operation is convenient and fast. Description of the Drawings
[0016] Figure 1 is the overall structural schematic diagram of a PCD milling cutter for facilitating size adjustment according to an embodiment of the present utility model;
[0017] Figure 2 is the exploded structural schematic diagram of a PCD milling cutter for facilitating size adjustment according to an embodiment of the present utility model;
[0018] Figure 3 is the structural schematic diagram of the milling cutter tool of a PCD milling cutter for facilitating size adjustment according to an embodiment of the present utility model;
[0019] Figure 4 is the structural schematic diagram of the connecting extrusion adjusting mechanism of a PCD milling cutter for facilitating size adjustment according to an embodiment of the present utility model;
[0020] Figure 5 is the structural schematic diagram of the fastening mechanism of a PCD milling cutter for facilitating size adjustment according to an embodiment of the present utility model.
[0021] Description of the Reference Numerals:
[0022] 1. Milling cutter seat; 2. Fixed installation groove; 3. Fixed guiding and limiting groove; 4. Milling cutter tool; 5. Connecting extrusion adjusting mechanism; 6. First fixed groove; 7. Thread groove; 8. Fastening mechanism; 9. Connecting installation bottom block; 10. Milling cutter body; 11. Second fixed groove; 12. Fixed limiting rod; 13. Fixed frame; 14. Adjusting bolt; 15. Fixed limiting collar; 16. Moving extrusion block; 17. Fastening bolt; 18. Fastening limiting disc; 19. Fixed limiting through groove. Detailed implementation manners
[0023] The embodiments of the present utility model will be further described below with reference to the accompanying drawings.
[0024] Embodiment:
[0025] As Figures 1 - 5 shown, a PCD milling cutter convenient for size adjustment includes a milling cutter seat 1. A fixed installation groove 2 is opened on the outer side of the surface of the milling cutter seat 1. Fixed guiding and limiting grooves 3 are symmetrically opened inside the fixed installation groove 2. A milling cutter tool 4 is movably inserted inside the fixed guiding and limiting grooves 3. A connecting extrusion adjusting mechanism 5 is fixedly connected inside the fixed installation groove 2. A first fixed groove 6 is opened inside the milling cutter seat 1 and on the inner side of the fixed installation groove 2. A thread groove 7 is opened inside one end of the milling cutter seat 1. A fastening mechanism 8 is provided at one end of the milling cutter seat 1.
[0026] The working principle of the above technical solution is as follows:
[0027] During the use process, first adjust the fastening mechanism 8 to make it in a loose state, and then adjust the connecting extrusion adjusting mechanism 5 so that the connecting extrusion adjusting mechanism 5 can extrude the milling cutter tool 4, enabling the milling cutter tool 4 to move and adjust the size. After the adjustment is completed, then adjust the fastening mechanism 8 for fastening, so as to fasten the adjusted milling cutter tool 4, which is convenient to operate.
[0028] In another embodiment, as Figure 3 shown, the milling cutter tool 4 includes a connecting installation bottom block 9. A milling cutter body 10 is fixedly connected to the top of the connecting installation bottom block 9. A second fixed groove 11 is opened on one side of the milling cutter body 10. A fixed limiting rod 12 is fixedly connected to one end of the milling cutter body 10.
[0029] It is convenient for the connecting installation bottom block 9 to move inside the fixed guiding and limiting groove 3, driving the milling cutter body 10 to move, which is convenient to operate.
[0030] In another embodiment, as Figure 4As shown in the figure, the connecting extrusion adjusting mechanism 5 includes a fixed frame 13. An adjusting bolt 14 is movably connected inside the fixed frame 13. A fixed limiting collar 15 is fixedly sleeved on the outer side of the surface of the adjusting bolt 14. A moving extrusion block 16 is threadedly connected to the outer side of the surface of the adjusting bolt 14.
[0031] It is convenient to rotate the adjusting bolt 14, so that the moving extrusion block 16 can move downward on the outer side of the surface of the adjusting bolt 14, so that the moving extrusion block 16 can extrude the milling cutter body 10, so that the milling cutter body 10 can move, driving the connecting mounting base block 9 to move inside the fixed guiding limiting groove 3, and the operation is convenient.
[0032] In another embodiment, as Figure 5 shown, the fastening mechanism 8 includes a fastening bolt 17. A fastening limiting disc 18 is movably sleeved on the outer side of the surface of the fastening bolt 17. A fixed limiting through groove 19 is formed on the surface of the fastening limiting disc 18.
[0033] It is convenient for the fastening bolt 17 to rotate and move inside the threaded groove 7, so that the fastening limiting disc 18 and the milling cutter seat 1 can be in a stable state, so as to carry out connection and fastening, and the operation is convenient.
[0034] In another embodiment, as Figure 3 shown, the outer side of the surface of the connecting mounting base block 9 and the inner side of the fixed guiding limiting groove 3 are slidably fitted with each other.
[0035] It is convenient for the connecting mounting base block 9 to stably move inside the fixed guiding limiting groove 3, and the operation is convenient.
[0036] In another embodiment, as Figure 4 shown, the two end surfaces of the moving extrusion block 16 are respectively slidably fitted with the inner sides of the second fixed groove 11 and the first fixed groove 6.
[0037] It is convenient for the moving extrusion block 16 to stably move downward. When inserted into the inner sides of the second fixed groove 11 and the first fixed groove 6, it can stably extrude the milling cutter body 10, so that the milling cutter body 10 can move, and the operation is convenient.
[0038] In another embodiment, as Figure 3 shown, the outer side of the surface of the fixed limiting rod 12 and the inner side of the fixed limiting through groove 19 are slidably fitted with each other.
[0039] It is convenient for the fixed limiting rod 12 to move inside the fixed limiting through groove 19 when the milling cutter body 10 is moving, and the operation is convenient.
[0040] Working principle of the utility model: During use, when the overall size needs to be adjusted, first rotate the fastening bolt 17 to make the fastening limit disc 18 loose. Then rotate the adjusting bolt 14 so that the moving extrusion block 16 can move downward on the outer surface of the adjusting bolt 14, and the bottom of the moving extrusion block 16 can be inserted into the inner sides of the second fixed groove 11 and the first fixed groove 6, causing extrusion on the milling cutter body 10, so that the milling cutter body 10 can drive the connecting installation bottom block 9 and the fixed limit rod 12 to move, enabling the connecting installation bottom block 9 to move inside the fixed guiding limit groove 3. At the same time, the fixed limit rod 12 can squeeze the fixed limit through groove 19 and drive the fastening limit disc 18 to rotate. When the size adjustment is completed, limit the position of the milling cutter body 10, and then rotate and finely adjust the fastening limit disc 18 to make it in a stable state between the fastening limit disc 18 and the fixed limit rod 12. Finally, rotate the fastening bolt 17 so that the fastening bolt 17 is connected and matched with the milling cutter seat 1 to limit and fix the fastening limit disc 18, thereby enabling the whole to be in a stable state and adjusting the overall processing size. The overall structure is simple, can be applicable to different processing sizes, and is convenient and fast to operate.
[0041] The above embodiments only represent the specific implementation manners of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the patent scope of the utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the utility model.
Claims
1. A PCD milling cutter that is convenient for size adjustment, comprising a milling cutter seat (1), characterized in that: On the outer side of the surface of the milling tooth cutter seat (1), a fixed installation groove (2) is provided. Inside the fixed installation groove (2), fixed guiding and limiting grooves (3) are symmetrically provided. Inside the fixed guiding and limiting grooves (3), a milling tooth cutter tool (4) is movably inserted. Inside the fixed installation groove (2), a connecting extrusion adjustment mechanism (5) is fixedly connected. Inside the milling tooth cutter seat (1) and inside the fixed installation groove (2), a first fixed groove (6) is provided. Inside one end of the milling tooth cutter seat (1), a threaded groove (7) is provided. At one end of the milling tooth cutter seat (1), a fastening mechanism (8) is provided.
2. The PCD milling cutter for facilitating size adjustment according to claim 1, wherein: The milling tooth cutter tool (4) includes a connecting installation bottom block (9). On the top of the connecting installation bottom block (9), a milling tooth cutter body (10) is fixedly connected. On one side of the milling tooth cutter body (10), a second fixed groove (11) is provided. At one end of the milling tooth cutter body (10), a fixed limiting rod (12) is fixedly connected.
3. A PCD tooth milling cutter that is convenient for size adjustment according to claim 1, characterized in that: The connecting extrusion adjustment mechanism (5) includes a fixed frame (13). Inside the fixed frame (13), an adjustment bolt (14) is movably connected. On the outer side of the surface of the adjustment bolt (14), a fixed limiting collar (15) is fixedly sleeved. On the outer side of the surface of the adjustment bolt (14), a moving extrusion block (16) is threadedly connected.
4. A PCD milling cutter for facilitating size adjustment according to claim 2, wherein: The fastening mechanism (8) includes a fastening bolt (17). On the outer side of the surface of the fastening bolt (17), a fastening limiting disc (18) is movably sleeved. On the surface of the fastening limiting disc (18), a fixed limiting through groove (19) is provided.
5. The PCD milling cutter for facilitating size adjustment according to claim 2, wherein: The outer side of the surface of the connecting installation bottom block (9) and the inside of the fixed guiding and limiting grooves (3) are slidably fitted with each other.
6. The PCD milling cutter convenient for size adjustment according to claim 3, wherein: The two ends of the surface of the moving extrusion block (16) are respectively slidably fitted with the inside of the second fixed groove (11) and the first fixed groove (6).
7. A PCD milling cutter facilitating size adjustment according to claim 4, characterized in that: The outer side of the surface of the fixed limiting rod (12) and the inside of the fixed limiting through groove (19) are slidably fitted with each other.