High-precision welding type alloy drill bit
By introducing structures such as threaded swivels, threaded limit pins, and enclosed hoses into high-precision welded alloy drill bits, the problem of debris entering water pipes and causing blockages has been solved, thereby improving the stability and heat dissipation of the drill bits.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-17
AI Technical Summary
After the existing high-precision welded alloy drill bit is finished, the debris can easily enter the cooling water pipe and cause blockage, affecting the long-term working stability of the drill bit.
A structure including a threaded rotating seat, a threaded limiting post, a sealing tube, an engagement disc, and a sealing hose was designed. By engaging and moving the sealing tube and hose, external impurities are prevented from entering the drill bit, ensuring the stability of the water pipe and the heat dissipation effect.
It effectively prevents debris from entering the water pipe, reduces the risk of water pipe blockage, and improves the long-term working stability and heat dissipation efficiency of the drill bit.
Smart Images

Figure CN223997385U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of alloy drill bit technology, specifically a high-precision welded alloy drill bit. Background Technology
[0002] High-precision welded alloy drill bits are suitable for CNC machining centers and vertical machine tools, and can process special materials. The outer surface of the drill bit adopts a layered composite structure, which makes the overall anti-chipping performance stable.
[0003] In current technologies, high-precision welded alloy drill bits are often composed of a drill bit body, a chip removal groove, and a cooling water pipe assembly. The chip removal groove can guide the chips generated by the drill bit during the drilling process, and the cooling water pipe assembly can effectively reduce the temperature of the drill bit surface.
[0004] Existing high-precision welded alloy drill bits, while able to cool the drill bit through internal cooling water pipe assemblies during operation, inevitably result in some debris entering the water pipes after operation, eventually causing blockages. Therefore, a high-precision welded alloy drill bit is proposed to address the above problems. Utility Model Content
[0005] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, this utility model proposes a high-precision welded alloy drill bit.
[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A high-precision welded alloy drill bit of this utility model includes a drill bit body; a connecting seat is fixedly connected to the bottom end of the outer wall of the drill bit body; a threaded rotating seat is rotatably connected inside the drill bit body; multiple sets of fluid passage holes are provided through the top of the threaded rotating seat; a threaded limiting post is slidably connected inside the drill bit body; the threaded limiting post and the threaded rotating seat are threadedly connected; a closed tube is provided inside the drill bit body; the closed tube is hollow; a first toothed column is rotatably connected inside the drill bit body; the top end of the first toothed column meshes with the threaded rotating seat; a meshing post is fixedly connected to the bottom of the first toothed column; a meshing disc is rotatably connected to the outer wall of the drill bit body; the meshing disc and the meshing post mesh with each other.
[0007] Preferably, a closed flexible tube is slidably connected to the outer wall of the drill bit body; a second toothed column is slidably connected to the inside of the drill bit body; a rack is rotatably connected to the inside of the closed flexible tube; the rack and the second toothed column mesh with each other; one end of the rack is located on the outside of the drill bit body; and a protective soft ring is fixedly connected to the outer wall of the drill bit body.
[0008] Preferably, a pair of fixed seats are fixedly connected to the bottom of the drill bit body; a reset component is fixedly connected to one side wall of the pair of fixed seats close to each other; and a support soft ring is fixedly connected to the end of the reset component away from the fixed seat.
[0009] Preferably, a sealing cover is fitted on the top of the drill bit body; a connecting post is fixedly connected to the top of the sealing cover.
[0010] Preferably, a sealing soft ring is fixedly connected to the bottom of the inner side of the enclosure; multiple sets of the sealing soft ring are fixedly connected to the inner side wall of the enclosure.
[0011] Preferably, a fixed top seat is fixedly connected to the top inner side of the enclosure; a sealing ring is fixedly connected to the inner side wall of the fixed top seat.
[0012] The beneficial effects of this utility model are:
[0013] 1. This utility model provides a high-precision welded alloy drill bit. The rotating threaded swivel can drive the threaded limiting post to move upward, and finally the top of the threaded limiting post fits against the inner wall of the sealing tube, thereby sealing the water pipe inside the drill bit body. The overall device reduces the occurrence of external impurities directly entering the drill bit body. The overall device reduces the occurrence of some debris entering the water pipe and eventually causing water pipe blockage. The overall device improves the stability of the water pipe inside the drill bit body during long-term operation.
[0014] 2. This utility model provides a high-precision welded alloy drill bit. By rotating the rack, the operator drives the second tooth column to move the sealed hose upward. Finally, the outer wall of the sealed hose and the inner wall of the protective soft ring fit together. The sealed hose and the protective soft ring cooperate with each other to seal off external impurities. The overall device improves the stability of the meshing disc during long-term operation. Attached Figure Description
[0015] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0016] Figure 1 This is a perspective view of the drill bit body of this utility model;
[0017] Figure 2 This is a perspective view of the connector in this utility model;
[0018] Figure 3 This is a perspective view of the second toothed column in this utility model;
[0019] Figure 4 This is a perspective view of the threaded rotating seat in this utility model.
[0020] Legend:
[0021] 1. Drill bit body; 11. Connecting seat; 12. Threaded rotating seat; 13. Fluid passage hole; 14. Threaded limiting post; 15. Sealing tube; 16. First toothed post; 17. Engaging post; 18. Engaging disc; 2. Sealing hose; 21. Second toothed post; 22. Rack; 23. Protective soft ring; 3. Fixed seat; 31. Reset assembly; 32. Support soft ring; 4. Sealing cover; 41. Connecting post; 5. Sealing soft ring; 6. Fixed top seat; 61. Sealing ring. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0023] Specific implementation examples are given below.
[0024] Please see Figure 1 - Figure 4This utility model provides a high-precision welded alloy drill bit, including a drill bit body 1; a connecting seat 11 is fixedly connected to the bottom end of the outer wall of the drill bit body 1; a threaded rotating seat 12 is rotatably connected inside the drill bit body 1; multiple sets of fluid passage holes 13 are provided through the top of the threaded rotating seat 12; a threaded limiting post 14 is slidably connected inside the drill bit body 1; the threaded limiting post 14 and the threaded rotating seat 12 are threadedly connected; a closed tube 15 is provided inside the drill bit body 1; the closed tube 15 is hollow; a first toothed post 16 is rotatably connected inside the drill bit body 1; the top end of the first toothed post 16 meshes with the threaded rotating seat 12; a meshing post 17 is fixedly connected to the bottom of the first toothed post 16; a meshing disc 18 is rotatably connected to the outer wall of the drill bit body 1; the meshing disc 18 meshes with the meshing post 17; working... When the external water pipe is installed at the bottom of the drill bit body 1, the drill bit body 1 is installed on the drilling equipment through the connecting seat 11, and the drill bit body 1 can then operate normally. When the drill bit body 1 is not in operation, the meshing disc 18 drives the meshing column 17 to rotate. The rotating meshing column 17 drives the threaded rotating seat 12 to rotate through the first toothed column 16. The rotating threaded rotating seat 12 can drive the threaded limiting column 14 to move upward. Finally, the top of the threaded limiting column 14 fits against the inner wall of the sealing tube 15, thereby sealing the water pipe inside the drill bit body 1. The overall device reduces the occurrence of external impurities directly entering the drill bit body 1. The overall device reduces the occurrence of some debris entering the water pipe and eventually causing water pipe blockage. The overall device improves the stability of the water pipe inside the drill bit body 1 during long-term operation.
[0025] Furthermore, such as Figure 4 As shown, a closed hose 2 is slidably connected to the outer wall of the drill bit body 1; a second toothed column 21 is slidably connected inside the drill bit body 1; a rack 22 is rotatably connected inside the closed hose 2; the rack 22 and the second toothed column 21 mesh with each other; one end of the rack 22 is located on the outside of the drill bit body 1; a protective soft ring 23 is fixedly connected to the outer wall of the drill bit body 1; during operation, the operator rotates the rack 22, which drives the second toothed column 21 to move the closed hose 2 upward, and finally the outer wall of the closed hose 2 and the inner wall of the protective soft ring 23 fit together. The closed hose 2 and the protective soft ring 23 cooperate to seal off external impurities, and the overall device improves the stability of the meshing disc 18 during long-term operation.
[0026] Furthermore, such as Figure 2As shown, a pair of fixed seats 3 are fixedly connected to the bottom of the drill bit body 1; a reset component 31 is fixedly connected to one side wall of the pair of fixed seats 3 close to each other; a support soft ring 32 is fixedly connected to the end of the reset component 31 away from the fixed seat 3; during operation, the fixed seat 3 and the reset component 31 cooperate with each other, which can push the side wall of the support soft ring 32 to fit against the outer wall of the water pipe, thereby reducing the occurrence of long-term bending at the connection between the water pipe and the drill bit body 1; the overall device improves the stability of the drill bit body 1 when it dissipates heat through the water pipe.
[0027] Furthermore, such as Figure 1 As shown, a sealing cover 4 is fitted on the top of the drill bit body 1; a connecting post 41 is fixedly connected to the top of the sealing cover 4; during operation, the operator can install the sealing cover 4 on the top of the drill bit body 1 through the connecting post 41, thereby achieving the effect of sealing the top of the drill bit body 1; the overall device reduces the occurrence of external impurities directly entering the interior of the drill bit body 1 through the connection between the drill bit body 1 and the water pipe.
[0028] Furthermore, such as Figure 2 As shown, a sealing soft ring 5 is fixedly connected to the bottom of the inner side of the sealing cover 4; multiple sets of sealing soft rings 5 are fixedly connected to the inner wall of the sealing cover 4; when the sealing cover 4 is installed on the top of the drill bit body 1 for sealing during operation, the multiple sets of sealing soft rings 5 deform accordingly, thereby assisting in the sealing effect on the top of the drill bit body 1.
[0029] Furthermore, such as Figure 2 As shown, a fixed top seat 6 is fixedly connected to the top inner side of the enclosure 4; a sealing ring 61 is fixedly connected to the inner side wall of the fixed top seat 6; during operation, the sealing ring 61 and the fixed top seat 6 cooperate with each other to seal the top of the drill bit body 1; the overall device improves the stability of the drill bit body 1 during long-term operation.
[0030] Working principle: During operation, after the external water pipe is installed at the bottom of the drill bit body 1, the drill bit body 1 is installed on the drilling equipment through the connecting seat 11, and the drill bit body 1 can then operate normally. When the drill bit body 1 is not in operation, the meshing disc 18 drives the meshing column 17 to rotate. The rotating meshing column 17 drives the threaded rotating seat 12 to rotate through the first toothed column 16. The rotating threaded rotating seat 12 drives the threaded limiting column 14 to move upward. Finally, the top of the threaded limiting column 14 fits against the inner wall of the sealing tube 15, thereby sealing the water pipe inside the drill bit body 1. The overall device reduces the occurrence of external impurities directly entering the drill bit body 1. The overall device reduces the occurrence of some debris entering the water pipe and causing blockage. The overall device improves the stability of the water pipe inside the drill bit body 1 during long-term operation. During operation, the operator rotates the rack 22, which drives the second toothed column 21 to move the sealing hose 2 upward. Finally, the outer wall of the sealing hose 2 fits against the inner wall of the protective soft ring 23, sealing the hose 2. In conjunction with the protective soft ring 23, it can seal off external impurities, and the overall device improves the stability of the meshing disc 18 during long-term operation. During operation, the fixed seat 3 and the reset component 31 cooperate to push the side wall of the supporting soft ring 32 to fit against the outer wall of the water pipe, thereby reducing the occurrence of long-term bending at the connection between the water pipe and the drill bit body 1. The overall device improves the stability of the drill bit body 1 when dissipating heat through the water pipe. During operation, the operator can install the sealing cover 4 on the top of the drill bit body 1 through the connecting column 41, thereby achieving the effect of sealing the top of the drill bit body 1. The overall device reduces the occurrence of external impurities directly entering the interior of the drill bit body 1 through the connection between the drill bit body 1 and the water pipe. During operation, when the sealing cover 4 is installed on the top of the drill bit body 1 for sealing, multiple sets of sealing soft rings 5 deform accordingly, thereby assisting in the sealing effect on the top of the drill bit body 1. During operation, the sealing ring 61 cooperates with the fixed top seat 6 to seal the top of the drill bit body 1. The overall device improves the stability of the drill bit body 1 during long-term operation.
[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A high-precision welded alloy drill bit comprising a drill bit body (1); characterized in that: The bottom of the drill bit body (1) is fixedly connected with a connecting seat (11); the inside of the drill bit body (1) is rotatably connected with a threaded rotating seat (12); a plurality of groups of liquid passing holes (13) are arranged on the top of the threaded rotating seat (12); the inside of the drill bit body (1) is slidably connected with a threaded limiting column (14); the threaded limiting column (14) is in threaded connection with the threaded rotating seat (12); the inside of the drill bit body (1) is provided with a closed pipe (15); the closed pipe (15) is hollow; the inside of the drill bit body (1) is rotatably connected with a first tooth column (16); the top end of the first tooth column (16) is in meshing connection with the threaded rotating seat (12); the bottom of the first tooth column (16) is fixedly connected with an engaging column (17); the outside wall of the drill bit body (1) is rotatably connected with an engaging disc (18); the engaging disc (18) is in meshing connection with the engaging column (17).
2. A high precision welded alloy drill bit as defined in claim 1 wherein: The outside wall of the drill bit body (1) is slidably connected with a closed hose (2); the inside of the drill bit body (1) is slidably connected with a second tooth column (21); the inside of the closed hose (2) is rotatably connected with a rack (22); the rack (22) is in meshing connection with the second tooth column (21); one end of the rack (22) is arranged on the outside of the drill bit body (1); the outside wall of the drill bit body (1) is fixedly connected with a protective soft ring (23).
3. A high precision welded alloy drill bit as defined in claim 1 wherein: The bottom of the drill bit body (1) is fixedly connected with a pair of fixed seats (3); the side wall of the pair of fixed seats (3) is fixedly connected with a reset assembly (31) on the side close to each other; the end, away from the fixed seat (3), of the reset assembly (31) is fixedly connected with a supporting soft ring (32).
4. A high precision welded alloy drill bit as defined in claim 1 wherein: The top of the drill bit body (1) is sleeved with a closed cover (4); the top of the closed cover (4) is fixedly connected with a connecting column (41).
5. A high precision welded alloy drill bit as defined in claim 4 wherein: The inside bottom of the closed cover (4) is fixedly connected with a closed soft ring (5); the inside wall of the closed cover (4) is fixedly connected with a plurality of groups of closed soft rings (5).
6. A high precision welded alloy drill bit as defined in claim 4 wherein: The inside top of the closed cover (4) is fixedly connected with a fixed top seat (6); the inside wall of the fixed top seat (6) is fixedly connected with a closed ring (61).