Alloy type thread milling cutter for precision mold machining

Abstract

The utility model belongs to the technical field of thread milling cutters, particularly relates to an alloy type thread milling cutter for machining a precision mold, and solves the problems that a cutter handle and a cutter head are fixedly connected in the prior art, the service time is prolonged, a thread drilling hole is deepened, the cutter handle is possibly not long enough, and thread drilling cannot be effectively carried out. According to the scheme, the milling cutter comprises a first milling cutter handle, a milling cutter handle lengthening rod is installed behind the first milling cutter handle, and a first clamping block is arranged at the front end of the milling cutter handle lengthening rod. According to the milling cutter handle, the first connecting screw rod and the second connecting screw rod can be effectively taken out from the interiors of the first clamping block and the second clamping block by unscrewing the first round thread and the second round thread, so that a user can quickly, effectively and conveniently lengthen and shorten the distance between the first milling cutter handle and the milling cutter handle lengthening rod and the distance between the first milling cutter handle and the connecting rod; the milling cutter can be effectively and conveniently used by a user, frequent cutter replacement can be effectively avoided, drilling can be effectively and conveniently carried out by the user, and the service life of the milling cutter is prolonged.

Description

Technical Field

[0001] The utility model relates to an alloy type thread milling cutter for precision mould processing, in particular to an alloy type thread milling cutter for precision mould processing, belonging to the technical field of thread milling cutters. Background Art

[0002] With the development of CNC machining technology, especially the emergence of three-axis linkage CNC machining system, a more advanced thread machining method - CNC milling of threads has been realized. Compared with traditional thread machining methods, thread milling has great advantages in machining accuracy and efficiency, and is not restricted by thread structure and thread rotation direction. For example, a thread milling cutter can process internal and external threads of various rotation directions.

[0003] An alloy thread milling cutter for precision tool processing with announcement number CN217253437U includes a shank, a cutter head is fixedly connected to the bottom surface of the shank, the outer edge of the cutter head is slidably connected to a plurality of equally spaced cutter tooth blocks, the bottom surface of the cutter head is bolted to a base plate, and the bottom edge of the cutter head is respectively provided with a first mounting groove and a second mounting groove matching the cutter tooth blocks, the first mounting groove is connected to the second mounting groove, and the first connecting block and the second connecting block are slidably connected in the first mounting groove and the second mounting groove in turn, by slidingly connecting the cutter tooth block and the cutter head in the first mounting groove and the second mounting groove on the cutter head through the first connecting block and the second connecting block, and fixing them through the base plate and the bolts, it is convenient to replace the cutter tooth block at the worn part of the milling cutter without replacing the entire milling cutter, thereby saving costs.

[0004] In the above technical solution, the tooth block and the cutter head are slidably connected in the first mounting groove and the second mounting groove on the cutter head through the first connection and the second connection blocks, and fixed by the base plate and bolts, so that the tooth block at the worn part of the milling cutter can be easily replaced. However, the connection between the shank and the cutter head is fixed. With the extension of the use time and the deepening of the threaded hole, the shank may not be long enough to effectively perform the thread drilling. For this reason, we provide an alloy thread milling cutter for precision mold processing. Utility Model Content

[0005] The utility model provides an alloy thread milling cutter for precision mold processing to solve the problem that the tool handle and the tool head are fixedly connected, and as the use time increases and the thread drilling deepens, the tool handle may be not long enough and the thread drilling cannot be effectively performed.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: an alloy thread milling cutter for precision mold processing, comprising a first milling cutter handle, a milling cutter handle extension rod is installed at the rear of the first milling cutter handle, a clamping block is arranged at the front end of the milling cutter handle extension rod, a first round thread is installed on the outer surface of the milling cutter handle extension rod, and a connecting screw rod is fixedly connected to the rear end outer wall of the first milling cutter handle;

[0007] A connecting rod is installed on the outside of the rear end of the milling cutter handle extension rod, a clamping block 2 is arranged at the front end of the connecting rod, an extension rod clamping groove 2 is opened on the inner wall of the connecting rod, a second circular thread is installed on the outer surface of the connecting rod, and a connecting screw 2 is fixedly connected to the rear end of the milling cutter handle extension rod.

[0008] As a further solution of the utility model: the top outer wall of the first milling cutter handle is fixedly connected with a milling cutter handle clamping part, and the outer wall surface of the milling cutter handle extension rod is provided with a thread one.

[0009] As a further solution of the utility model: an extension rod clamping groove 1 is provided on the inner wall surface of the milling cutter handle extension rod, and a screw rod installation groove is provided inside the milling cutter handle extension rod.

[0010] As a further solution of the utility model: a milling cutter mounting head is fixedly connected to the rear end of the connecting rod, and a milling cutter mounting groove is provided on the rear surface of the milling cutter mounting head.

[0011] As a further solution of the utility model: a milling cutter limiting groove is provided on the lower surface of the milling cutter installation groove, and a bolt installation hole is provided on the lower surface of the milling cutter limiting groove.

[0012] As a further solution of the utility model: a milling blade is installed on the outer surface of the milling cutter mounting groove, a milling cutter fixing hole is opened inside the milling cutter fixing hole, and a bolt is installed above the milling cutter fixing hole.

[0013] As a further solution of the utility model: a milling cutter limit block is fixedly connected to the outside of the bottom end of the milling cutter blade, and a milling cutter edge is fixedly connected to one side of the milling cutter blade.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model can effectively remove the connecting screw rod 1 and the connecting screw rod 2 from the inside of the clamping block 1 and the clamping block 2 by loosening the first round thread and the second round thread, so that the user can quickly and effectively lengthen and shorten the distance between the first milling cutter handle, the milling cutter handle extension rod and the connecting rod, which can effectively facilitate the user to use, effectively avoid frequent tool changes, effectively facilitate the user to drill holes, and increase the use time of the milling cutter;

[0016] 2. The utility model can effectively facilitate users to disassemble and replace the milling cutter blade through the milling cutter installation groove opened at the rear end of the milling cutter installation head. After disassembly, the milling cutter limit block fixed under the new milling cutter blade is installed with the milling cutter limit groove, so that the milling cutter fixing hole and the bolt installation hole coincide with each other. This can effectively facilitate users to tighten the bolts, so that the milling cutter edge on one side of the milling cutter blade can perform thread milling, which can effectively facilitate 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 schematic diagram of the structure of the cutter head of the utility model;

[0019] Figure 3 This is a schematic diagram of the connecting rod structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the screw rod installation slot structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the outer wall structure at the top end of the extension rod of the milling cutter handle of the utility model.

[0022] In the figure: 1. first milling cutter handle; 2. milling cutter handle extension rod; 3. milling cutter mounting head; 4. bolt one; 5. milling cutter mounting groove; 6. milling blade; 7. milling cutter blade; 8. milling cutter limit block; 9. milling cutter fixing hole; 10. milling cutter limit groove; 11. bolt mounting hole; 12. milling cutter handle clamping part; 13. extension rod clamping groove one; 14. thread one; 15. first round thread; 16. clamping block one; 17. connecting screw one; 18. screw mounting groove; 19. connecting rod; 20. clamping block two; 21. second round thread; 22. extension rod clamping groove two; 23. connecting screw two. 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 5As shown, an alloy thread milling cutter for precision mold processing includes a first milling cutter handle 1, a milling cutter handle extension rod 2 is installed at the rear of the first milling cutter handle 1, a clamping block 16 is arranged at the front end of the milling cutter handle extension rod 2, a first round thread 15 is installed on the outer surface of the milling cutter handle extension rod 2, a connecting screw 17 is fixedly connected to the outer wall of the rear end of the first milling cutter handle 1, a connecting rod 19 is installed on the rear end of the milling cutter handle extension rod 2, a clamping block 20 is arranged at the front end of the connecting rod 19, an extension rod clamping groove 22 is opened on the inner wall of the connecting rod 19, and the outer surface of the connecting rod 19 is fixedly connected to the outer wall of the milling cutter handle 19. A second circular thread 21 is installed on the surface, and a connecting screw rod 23 is fixedly connected to the rear end of the milling cutter handle extension rod 2. By loosening the first circular thread 15 and the second circular thread 21, the connecting screw rod 17 and the connecting screw rod 23 can be effectively taken out from the clamping block 16 and the clamping block 20. This can quickly and effectively facilitate the user to lengthen and shorten the distance between the first milling cutter handle 1 and the milling cutter handle extension rod 2 and the connecting rod 19, which can effectively facilitate the user's use, effectively avoid frequent tool changes, effectively facilitate the user to drill holes, and increase the use time of the milling cutter. Embodiment 2

[0025] In addition to all the technical features of the first embodiment, the present embodiment further includes: a milling cutter handle clamping portion 12 is fixedly connected to the top outer wall of the first milling cutter handle 1, a thread 14 is provided on the outer wall surface of the milling cutter handle extension rod 2, an extension rod clamping groove 13 is provided on the inner wall surface of the milling cutter handle extension rod 2, a screw rod mounting groove 18 is provided inside the milling cutter handle extension rod 2, a milling cutter mounting head 3 is fixedly connected to the rear end of the connecting rod 19, a milling cutter mounting groove 5 is provided on the rear surface of the milling cutter mounting head 3, a milling cutter limiting groove 10 is provided on the lower surface of the milling cutter limiting groove 10, a bolt mounting hole 11 is provided on the lower surface of the milling cutter mounting groove 5, and a milling cutter is installed on the outer surface of the milling cutter mounting groove 5. The cutter blade 6 is provided with a milling cutter mounting groove 5 at the rear end of the milling cutter mounting head 3, which can effectively facilitate the user to disassemble and replace the milling cutter blade 6. A milling cutter fixing hole 9 is provided inside the milling cutter blade 6, and a bolt 4 is installed above the milling cutter fixing hole 9. The bottom end of the milling cutter blade 6 is fixedly connected to a milling cutter limiting block 8, and one side of the milling cutter blade 6 is fixedly connected to a milling cutter blade 7. After disassembly, the milling cutter limiting block 8 fixed under the new milling cutter blade 6 is installed with the milling cutter limiting groove 10, so that the milling cutter fixing hole 9 and the bolt mounting hole 11 are overlapped. This can effectively facilitate the user to tighten the bolt 4, so that the milling cutter blade 7 on one side of the milling cutter blade 6 can perform thread milling, which can effectively facilitate the user to use.

[0026] Working principle: first, disassemble and replace the damaged milling cutter blade 6 from the outer wall of the milling cutter mounting groove 5 opened on the outside of the milling cutter mounting head 3, and then install the milling cutter limit block 8 fixed under the new milling cutter blade 6 with the milling cutter limit groove 10, so that the milling cutter fixing hole 9 and the bolt mounting hole 11 coincide with each other, which can effectively facilitate the user to tighten the bolt 1 4, so that the milling cutter edge 7 on one side of the milling cutter blade 6 can perform thread milling, which can effectively facilitate the user to use, and then respectively connect the connecting screw rod 23 with the connecting rod 19, and insert the connecting screw rod 17 into the screw rod mounting groove 18 and the milling cutter handle extension rod 2 for quick connection, which can effectively facilitate the user to connect the first milling cutter handle 1, the milling cutter handle extension rod 2 and the connecting rod 19. The thread 14 cooperates with the first round thread 15 and the second round thread 21 to effectively tighten and loosen the clamping block 16 and the clamping block 2 20. The extension rod clamping groove 13 and the extension rod clamping groove 22 can facilitate the user to tighten and loosen the clamping block 16 and the clamping block 2 20. By loosening the first round thread 15 and the second round thread 21, the connecting screw rod 17 and the connecting screw rod 2 23 can be effectively disassembled from the clamping block 16 and the clamping block 2 20, which can effectively avoid frequent tool changes, effectively facilitate users to drill holes, effectively facilitate users to use, and increase the service life of the milling cutter. The milling cutter handle clamping part 12 effectively improves the convenience at work and effectively facilitates 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. An alloy thread milling cutter for precision mold processing, comprising a first milling cutter handle (1), characterized in that: A milling cutter handle extension rod (2) is installed at the rear of the first milling cutter handle (1), a clamping block (16) is arranged at the front end of the milling cutter handle extension rod (2), a first round thread (15) is installed on the outer surface of the milling cutter handle extension rod (2), and a connecting screw (17) is fixedly connected to the outer wall of the rear end of the first milling cutter handle (1); A connecting rod (19) is installed on the outside of the rear end of the milling cutter handle extension rod (2), a clamping block (20) is arranged at the front end of the connecting rod (19), an extension rod clamping groove (22) is opened on the inner wall of the connecting rod (19), a second round thread (21) is installed on the outer surface of the connecting rod (19), and a connecting screw (23) is fixedly connected to the rear end of the milling cutter handle extension rod (2).

2. The alloy thread milling cutter for precision mold processing according to claim 1, characterized in that: A milling cutter handle clamping portion (12) is fixedly connected to the top outer wall of the first milling cutter handle (1), and a thread (14) is provided on the outer wall surface of the milling cutter handle extension rod (2).

3. The alloy thread milling cutter for precision mold processing according to claim 2, characterized in that: An extension rod clamping groove (13) is provided on the inner wall surface of the milling cutter handle extension rod (2), and a screw rod installation groove (18) is provided inside the milling cutter handle extension rod (2).

4. The alloy thread milling cutter for precision mold processing according to claim 1, characterized in that: The rear end of the connecting rod (19) is fixedly connected to a milling cutter mounting head (3), and a milling cutter mounting groove (5) is provided on the rear surface of the milling cutter mounting head (3).

5. The alloy thread milling cutter for precision mold processing according to claim 4, characterized in that: A milling cutter limiting groove (10) is provided on the lower surface of the milling cutter installation groove (5), and a bolt installation hole (11) is provided on the lower surface of the milling cutter limiting groove (10).

6. The alloy thread milling cutter for precision mold processing according to claim 5, characterized in that: A milling blade (6) is installed on the outer surface of the milling cutter installation groove (5), a milling cutter fixing hole (9) is opened inside the milling cutter fixing hole (6), and a bolt (4) is installed above the milling cutter fixing hole (9).

7. The alloy thread milling cutter for precision mold processing according to claim 6, characterized in that: A milling cutter limit block (8) is fixedly connected to the outside of the bottom end of the milling cutter blade (6), and a milling cutter edge (7) is fixedly connected to one side of the milling cutter blade (6).

Images