Machining double-edge drill bit with guide mechanism
By setting a guide mechanism on the double-edge drill bit, including a chip-removing groove and a limit block, the replacement problem caused by wear of the cutting drill bit blade and other components in the prior art is solved, and the disassembly and replacement of the drill bit block is realized, reducing economic losses And improve drilling stability.
Patent Information
- Application Number
- CN202420831322.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-22
AI Technical Summary
In the prior art, cutting drill bit blade, step forming blade, drill back and right-hand right-cut chip drain groove are arranged on the blade, which will wear after a long time of use, resulting in the need to replace these components at the same time during replacement, which increases economic losses.
A double edge drill bit for machining with a guide mechanism is designed. By setting a chip removable groove and limit block on the drill bit, the debris can be discharged, avoiding accumulation, and the disassembly of the drill bit block is achieved through fixing screws and mounting grooves. and replace, reducing the need for overall drill bit replacement.
It effectively avoids overall replacement of drill bits, reduces economic losses to users, improves the stability of the drilling process, and reduces damage caused by debris accumulation.
Smart Images
Figure CN222199012U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a double-edge drill bit for mechanical processing, in particular to a double-edge drill bit for mechanical processing with a guide mechanism, belonging to the technical field of drill bits. Background Art
[0002] A drill bit is a rotating tool with cutting ability at the head end. It has a wide range of uses and can be used on drilling machines, lathes, milling machines, hand drills and other machine tools. It is made by milling or rolling and then quenching heat treatment and then grinding, and is used for drilling holes in metals or other materials.
[0003] The announcement number is CN220426923U, a cold step-shaped drill for machining the inner hole of a common rail tube body, including a blade and a shank, a transition angle between the blade and the shank, a cutting drill blade, a step-shaped blade, a drill back and a right-handed right-cutting chip groove are arranged on the blade, the cutting drill blade is arranged at the front end of the blade, the step-shaped blade extends from the tail of the cutting drill blade toward the shank, the drill back is provided with double edges, and the right-handed right-cutting chip grooves are arranged on both sides of the drill back. The tool integrates the cutting drill blade and the forming step blade to realize the drilling of the inner hole of the common rail tube body and the forming of the steps in the hole, realizes the forming size in one step, ensures the surface roughness of the inner hole, does not need to replace the tool, helps to improve the cutting efficiency of drilling, and greatly saves the tool cost.
[0004] In the above technical scheme, the drilling of the inner hole of the common rail tube body and the step forming processing in the hole are realized by cutting the drill bit blade and the step forming blade, so that the forming size is achieved in one step and the surface roughness of the inner hole is guaranteed without replacing the tool. However, the cutting drill bit blade, the step forming blade, the drill back and the right-handed right-cutting chip groove are arranged on the blade part, and the cutting drill bit blade and the step forming blade will be worn after a long time of cutting. When replacing, the cutting drill bit blade, the step forming blade, the drill back and the right-handed right-cutting chip groove need to be replaced together, which will increase the economic loss of the user. For this reason, we provide a double-edge drill bit for machining with a guide mechanism. Utility Model Content
[0005] The utility model aims to solve the problem that the cutting drill bit blade, step-shaped blade, drill back and right-handed right-cutting chip groove are arranged on the blade part, and the cutting drill bit blade and the step-shaped blade will be worn out after a long time. When replacing, the cutting drill bit blade, step-shaped blade, drill back and right-handed right-cutting chip groove need to be replaced together, which will increase the economic loss of the user. A double-edge drill bit for mechanical processing with a guide mechanism is provided.
[0006] The utility model achieves the above-mentioned purpose through the following technical solutions: a double-edge drill bit for mechanical processing with a guide mechanism, comprising a drill bit, a drill bit connecting rod is movably installed below the drill bit, a first chip-removing groove is opened on the outer wall of the drill bit, a second chip-removing groove is opened on the outer wall of the drill bit connecting rod, a drill bit fixing rod is installed below the drill bit connecting rod, a third chip-removing groove is opened on the outer wall of the drill bit fixing rod, and a drill bit limiting block is fixedly connected to the top of the drill bit;
[0007] A drill installation groove is provided inside the drill limit block, a drill fixing hole is provided on the outer wall of the drill limit block, a drill block is installed outside the drill installation groove, a drill limit hole is provided on the outer wall of the drill block, and a drill fixing screw is installed inside the drill limit hole.
[0008] As a further solution of the utility model: the lower end of the drill bit fixing rod is fixedly connected with a drill bit fixing block.
[0009] As a further solution of the utility model: the outer wall of the drill bit connecting rod is further provided with a connecting rod fixing hole 1, and the outer wall of the drill bit fixing rod is further provided with a connecting rod fixing hole 2.
[0010] As a further solution of the utility model: a drill bit connection installation groove 1 is provided at the top end of the drill bit connection rod, and a drill bit connection installation groove 2 is provided on the outer wall of the drill bit fixing rod.
[0011] As a further solution of the utility model: the internal thread of the first connecting rod fixing hole is installed with a first fixing screw, and the internal thread of the second connecting rod fixing hole is installed with a second fixing screw.
[0012] As a further solution of the utility model: the lower end of the drill bit is fixedly connected with a drill bit mounting block, and the outer wall of the drill bit mounting block is provided with a drill bit mounting hole.
[0013] As a further solution of the utility model: a connecting rod mounting block is fixed to the lower end of the drill bit connecting rod, and a connecting rod mounting hole is opened on the outer periphery of the connecting rod mounting block.
[0014] The beneficial effects of the utility model are:
[0015] 1. The chips drilled out by the drill block of the utility model can be discharged outside the first chip groove provided on the outer wall of the drill bit, so as to avoid the accumulated chips from damaging the whole drill bit, and the chips are discharged to the second chip groove and the third chip groove through the first chip groove, and the drill block installed in the drill installation groove provided on the upper fixed drill limit block of the drill bit can drill holes in the workpiece, and the drill fixing screws provided on the outer wall of the drill block are screwed out from the inside of the drill limit hole and the drill fixing hole, so that the drill block can be disassembled and replaced, and the replacement of the drill bit as a whole can be avoided;
[0016] 2. The user of the utility model inserts the drill bit mounting block under the drill bit into the drill bit connecting mounting groove 1 opened at the top of the drill bit connecting rod, and screws the first fixing screw into the connecting rod fixing hole 1 and the drill bit mounting hole, which can improve the stability between the drill bit and the drill bit connecting rod, avoid the device from falling off during drilling, and thus avoid losses to the user, and insert the connecting rod mounting block fixed under the drill bit connecting rod into the drill bit connecting mounting groove 2 opened at the top of the drill bit fixing rod, and then insert the second fixing screw into the connecting rod fixing hole 2 and the connecting rod mounting hole, so that the drill bit fixing rod can drive the drill bit connecting rod to drill, and can improve the stability of the device during drilling, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a structural schematic diagram of a drill bit of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the drill bit connecting rod of the utility model;
[0020] Figure 4 This is a structural schematic diagram of the connection between the drill bit connecting rod and the drill bit fixing rod of the utility model;
[0021] Figure 5 It is a schematic diagram of the local structure of the connection between the drill bit 1 and the drill block of the utility model.
[0022] In the figure: 1. drill bit 1; 2. drill bit connecting rod; 3. drill bit fixing rod; 4. drill bit fixing block; 5. first chip groove; 6. second chip groove; 7. third chip groove; 8. first fixing screw; 9. second fixing screw; 10. drill bit block; 11. drill bit fixing screw; 12. drill bit connecting and mounting groove 1; 13. drill bit connecting and mounting groove 2; 14. connecting rod fixing hole 2; 15. connecting rod fixing hole 1; 16. connecting rod mounting block; 17. drill bit mounting block; 18. drill bit mounting hole; 19. connecting rod mounting hole; 20. drill bit limiting hole; 21. drill bit limiting block; 22. drill bit fixing hole; 23. drill bit mounting groove. DETAILED DESCRIPTION
[0023] 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
[0024] like Figures 1 to 5 As shown, a double-edge drill bit for machining with a guide mechanism comprises a drill bit 1, a drill bit connecting rod 2 is movably installed below the drill bit 1, a first chip retreat groove 5 is provided on the outer wall of the drill bit 1, a second chip retreat groove 6 is provided on the outer wall of the drill bit connecting rod 2, a drill fixing rod 3 is installed below the drill bit connecting rod 2, a third chip retreat groove 7 is provided on the outer wall of the drill fixing rod 3, and chips are discharged to the second chip retreat groove 6 and the third chip retreat groove 7 through the first chip retreat groove 5, a drill bit limiting block 21 is fixedly connected above the drill bit 1, a drill bit installation groove 23 is provided inside the drill bit limiting block 21, a drill bit fixing hole 22 is provided on the outer wall of the drill bit limiting block 21, and the drill bit 1 is fixedly connected to the drill bit 1. The drill block 10 installed in the drill installation groove 23 opened by the drill stop block 21 fixed above the drill bit 1 can drill a workpiece. The drill block 10 is installed outside the drill installation groove 23. The debris drilled by the drill block 10 can be discharged outside through the first chip removal groove 5 opened on the outer wall of the drill bit 1 to avoid the accumulated debris from damaging the entire drill bit. The outer wall of the drill block 10 is opened with a drill stop hole 20. The drill stop hole 20 is installed with a drill fixing screw 11. The drill fixing screw 11 installed on the outer wall of the drill block 10 is screwed out from the inside of the drill stop hole 20 and the drill fixing hole 22. In this way, the drill block 10 can be disassembled and replaced, and the replacement of the drill bit as a whole can be avoided. Embodiment 2
[0025] In addition to all the technical features of the first embodiment, the present embodiment also includes: a drill fixing block 4 is fixedly connected to the lower end of the drill fixing rod 3, a connecting rod fixing hole 15 is also provided on the outer wall of the drill connecting rod 2, a connecting rod fixing hole 2 14 is also provided on the outer wall of the drill fixing rod 3, a drill connecting mounting groove 12 is provided on the top of the drill connecting rod 2, a drill connecting mounting groove 2 13 is provided on the outer wall of the drill fixing rod 3, a first fixing screw 8 is installed on the internal thread of the connecting rod fixing hole 15, a second fixing screw 9 is installed on the internal thread of the connecting rod fixing hole 2 14, a connecting rod mounting block 16 is fixed to the lower end of the drill connecting rod 2, a connecting rod mounting hole 19 is provided on the outer periphery of the connecting rod mounting block 16, and a connecting rod mounting hole 19 is provided on the outer periphery of the connecting rod mounting block 16. The block 16 is inserted into the drill bit connecting and installing groove 13 2 opened at the top of the drill bit fixing rod 3, and then the second fixing screw 9 is inserted into the connecting rod fixing hole 14 and the connecting rod mounting hole 19, so that the drill bit fixing rod 3 can drive the drill bit connecting rod 2 to drill holes, and can improve the stability of the device when drilling, which is convenient for users to use. The lower end of the drill bit 1 is fixedly connected with a drill bit mounting block 17, and the outer wall of the drill bit mounting block 17 is provided with a drill bit mounting hole 18. The user inserts the drill bit mounting block 17 under the drill bit 1 into the drill bit connecting and installing groove 12 opened at the top of the drill bit connecting rod 2, and screws the first fixing screw 8 into the connecting rod fixing hole 15 and the drill bit mounting hole 18, which can improve the stability between the drill bit 1 and the drill bit connecting rod 2 and prevent the device from falling off during drilling.
[0026] Working principle: the chips are discharged outside through the first chip groove 5 opened on the outer wall of the drill bit 1 to prevent the accumulated chips from damaging the entire drill bit, and the drill block 10 installed in the drill mounting groove 23 opened on the drill limit block 21 fixed above the drill bit 1 can drill the workpiece, and the chips drilled by the drill block 10 are discharged to the second chip groove 6 and the third chip groove 7 through the first chip groove 5, and are screwed out from the inside of the drill limit hole 20 and the drill fixing hole 22 through the drill fixing screw 11 installed on the outer wall of the drill block 10, so that the drill block 10 can be disassembled and replaced, and the replacement of the drill bit as a whole can be avoided. The user inserts the drill bit mounting block 17 below the drill bit 1 into the drill bit connection mounting groove 12 opened at the top of the drill bit connecting rod 2, and screws the first fixing screw 8 into the connecting rod fixing hole 15 and the drill bit mounting hole 18, which can improve the stability between the drill bit 1 and the drill bit connecting rod 2, prevent the device from falling off during drilling, and thus avoid losses to the user. The connecting rod mounting block 16 fixed below the drill bit connecting rod 2 is inserted into the drill bit connection mounting groove 2 13 opened at the top of the drill bit fixing rod 3, and then the second fixing screw 9 is inserted into the connecting rod fixing hole 2 14 and the connecting rod mounting hole 19. The drill bit fixing block 4 is installed on the machine tool by the user, which can facilitate the drill bit fixing rod 3 to drive the drill bit connecting rod 2 to drill, and can improve the stability of the device, making it convenient for users to use.
[0027] It is obvious 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 features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description 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 may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A double-edge drill bit for machining with a guide mechanism, comprising a drill bit 1 (1), characterized in that: A drill connecting rod (2) is movably mounted below the drill bit (1), a first chip removal groove (5) is formed on the outer wall of the drill bit (1), a second chip removal groove (6) is formed on the outer wall of the drill connecting rod (2), a drill fixing rod (3) is mounted below the drill connecting rod (2), a third chip removal groove (7) is formed on the outer wall of the drill fixing rod (3), and a drill stop block (21) is fixedly connected above the drill bit (1); A drill bit installation groove (23) is formed inside the drill bit limiting block (21), a drill bit fixing hole (22) is formed on the outer wall of the drill bit limiting block (21), a drill block (10) is mounted outside the drill bit installation groove (23), a drill bit limiting hole (20) is formed on the outer wall of the drill bit block (10), and a drill bit fixing screw (11) is mounted inside the drill bit limiting hole (20).
2. A double-edge drill bit for machining with a guide mechanism according to claim 1, characterized in that: The lower end of the drill bit fixing rod (3) is fixedly connected to a drill bit fixing block (4).
3. A double-edge drill bit for machining with a guide mechanism according to claim 2, characterized in that: The outer wall of the drill bit connecting rod (2) is also provided with a connecting rod fixing hole 1 (15), and the outer wall of the drill bit fixing rod (3) is also provided with a connecting rod fixing hole 2 (14).
4. A double-edge drill bit for machining with a guide mechanism according to claim 2, characterized in that: The top end of the drill bit connecting rod (2) is provided with a drill bit connecting and installing groove 1 (12), and the outer wall of the drill bit fixing rod (3) is provided with a drill bit connecting and installing groove 2 (13).
5. A double-edge drill bit for machining with a guide mechanism according to claim 3, characterized in that: The first connecting rod fixing hole (15) has an internal thread on which a first fixing screw (8) is installed, and the second connecting rod fixing hole (14) has an internal thread on which a second fixing screw (9) is installed.
6. A double-edge drill bit for machining with a guide mechanism according to claim 1, characterized in that: The lower end of the drill bit 1 (1) is fixedly connected to a drill bit mounting block (17), and an outer wall of the drill bit mounting block (17) is provided with a drill bit mounting hole (18).
7. A double-edge drill bit for machining with a guide mechanism according to claim 4, characterized in that: A connecting rod mounting block (16) is fixed to the lower end of the drill bit connecting rod (2), and a connecting rod mounting hole (19) is formed on the outer periphery of the connecting rod mounting block (16).