A composite thread end mill for machining

Abstract

The utility model belongs to the technical field of end mills, and particularly relates to a mechanical processing composite thread end mill, which improves the problem in the prior art that the cutting edge of the milling cutter will wear out when cutting a plate for a long time, and the worn cutting edge needs to be replaced. Generally, the cutting edge is provided in the cutting part, and the cutting edge cannot be replaced separately, which may increase the economic loss of the user. The following scheme is proposed, including a milling cutter handle, a mounting block connecting handle is movably installed below the milling cutter handle, a cutter block auxiliary mounting groove is provided on the outer periphery of the cutter block mounting block, a cutter block limiting groove is provided inside the cutter block auxiliary mounting groove, a cutter block fixing hole is provided at the bottom of the cutter block fixing groove, a threaded cutter block is installed on the outer wall of the cutter block limiting groove, a cutter block fixing block is fixedly connected to the top of the cutter block limiting block, and a cutter block fixing screw is installed on the outer wall surface of the cutter block fixing block. The utility model reduces the economic loss of the user and facilitates the user to use the device for thread milling.

Description

Technical Field

[0001] The utility model relates to a composite thread end milling cutter, in particular to a mechanical composite thread end milling cutter, belonging to the technical field of thread end milling cutters. Background Art

[0002] The appearance of the thread end mill is very similar to the combination of a cylindrical end mill and a thread tap. The spiral lift during processing is achieved by the movement of the machine tool. Due to this special structure, the tool can process both right-handed and left-handed threads, but it is not suitable for processing threads with larger pitches.

[0003] A double-edged compound milling cutter with announcement number CN218639893U comprises a shank portion and a cutting portion, an end edge is arranged on the end of the cutting portion, a first spiral cutting edge and a first spiral chip groove are arranged on the end of the cutting portion away from the shank portion, and a second spiral cutting edge and a second spiral chip groove are arranged on the cutting portion. The first spiral cutting edge and the second spiral cutting edge of the utility model.

[0004] In the above technical solution, the cutting edge of the milling cutter will wear out when cutting the plate for a long time, and the worn cutting edge needs to be replaced. The above cutting edge is opened in the cutting part and the cutting edge cannot be replaced separately, which may increase the economic loss of the user. For this reason, we provide a mechanical processing composite thread end mill. Utility Model Content

[0005] The utility model provides a mechanical processing composite thread end mill to solve the problem that the cutting edge of the milling cutter will wear out when cutting a plate for a long time, and the worn cutting edge needs to be replaced. The above-mentioned cutting edge is arranged in the cutting part, and the cutting edge cannot be replaced separately, which may increase the economic loss of the user.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: a mechanical processing composite thread end mill, comprising a milling cutter handle, a mounting block connecting handle is movably installed below the milling cutter handle, a tool block mounting block is fixedly connected below the mounting block connecting handle, a tool block auxiliary mounting groove is opened on the outer periphery of the tool block mounting block, a tool block limiting groove is opened inside the tool block auxiliary mounting groove, and a tool block fixing groove is opened on the top of the tool block limiting groove;

[0007] A knife block fixing hole is opened at the bottom of the knife block fixing groove, a threaded knife block is installed on the outer wall of the knife block limiting groove, a knife block limiting block is fixedly connected to the rear of the threaded knife block, a knife block fixing block is fixedly connected to the top of the knife block limiting block, and a knife block fixing screw is installed on the outer wall surface of the knife block fixing block.

[0008] As a further solution of the utility model: a connecting handle installation groove is provided on the outer periphery of the milling cutter handle, and a tool handle limiting groove is provided inside the connecting handle installation groove.

[0009] As a further solution of the utility model: a knife handle mounting groove is opened inside the mounting block connecting handle, and a connecting handle limiting tooth is fixedly connected to the front of the mounting block connecting handle.

[0010] As a further solution of the utility model: a knife handle limiting tooth is fixedly connected below the knife handle limiting groove, and a knife handle fixing block is fixedly connected to the outer wall below the knife handle limiting tooth.

[0011] As a further solution of the utility model: a knife handle fixing hole is opened on the outside of the knife handle fixing block.

[0012] As a further solution of the utility model: a connecting handle fixing hole is provided on the outer periphery of the connecting handle of the mounting block, and a connecting handle limiting groove is provided behind the connecting handle limiting tooth.

[0013] As a further solution of the utility model: a connecting handle fixing bolt is installed inside the connecting handle fixing hole.

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

[0015] 1. The utility model can reduce the economic loss of the user by unscrewing the knife block fixing screw from the inside of the knife block fixing block by the user, and taking out the damaged threaded knife block from the inside of the knife block limiting groove, the knife block auxiliary installation groove and the knife block fixing groove. After taking out, the new threaded knife block is installed outside the knife block limiting groove and the knife block auxiliary installation groove. When installing, the knife block fixing block is first inserted into the knife block fixing groove, and then the knife block limiting block is placed into the inside of the knife block limiting groove and the knife block auxiliary installation groove. After the placement is completed, the knife block fixing screw is passed through the knife block fixing block and the knife block fixing hole and then matched with each other, so that the threaded knife block can be fixed, which is convenient for the user to use the milling cutter for thread milling;

[0016] 2. The utility model inserts the limiting teeth of the connecting handle into the connecting handle installation groove and then twists the mounting block connecting handle so that the limiting teeth of the connecting handle and the limiting groove of the connecting handle are engaged with the limiting groove and the limiting teeth of the tool handle, which can facilitate the user to disassemble and replace the milling cutter handle and the mounting block connecting handle. During installation, the tool handle fixing block fixed at the rear of the milling cutter handle can be conveniently inserted into the tool handle installation groove provided inside the mounting block connecting handle. By twisting the mounting block connecting handle, the tool handle fixing hole and the connecting handle fixing hole can be overlapped, which can facilitate the user to screw in the connecting handle fixing bolt, thereby improving the stability during cutting and facilitating the use of the user. 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 knife block mounting block and the threaded knife block of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the milling cutter handle and the mounting block connecting handle of the utility model;

[0020] Figure 4 It is a schematic diagram of the planar structure of the milling cutter handle of the utility model.

[0021] In the figure: 1. milling cutter handle; 2. mounting block connecting handle; 3. tool block mounting block; 4. threaded tool block; 5. connecting handle mounting groove; 6. connecting handle fixing bolt; 7. tool block fixing block; 8. tool block limiting block; 9. tool block fixing groove; 10. tool block fixing hole; 11. tool block auxiliary mounting groove; 12. tool block limiting groove; 13. connecting handle fixing hole; 14. connecting handle limiting tooth; 15. connecting handle limiting groove; 16. tool handle fixing block; 17. tool handle fixing hole; 18. tool handle limiting groove; 19. tool handle limiting tooth; 20. tool block fixing screw; 21. tool handle mounting groove. DETAILED DESCRIPTION

[0022] 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

[0023] like Figures 1 to 4As shown, a mechanical processing composite thread end mill comprises a milling cutter handle 1, a mounting block connecting handle 2 is movably installed below the milling cutter handle 1, a tool block mounting block 3 is fixedly connected below the mounting block connecting handle 2, a tool block auxiliary mounting groove 11 is provided on the outer periphery of the tool block mounting block 3, a tool block limiting groove 12 is provided inside the tool block auxiliary mounting groove 11, a tool block fixing groove 9 is provided on the top of the tool block limiting groove 12, a tool block fixing hole 10 is provided on the bottom of the tool block fixing groove 9, a threaded tool block 4 is installed on the outer wall of the tool block limiting groove 12, a tool block limiting block 8 is fixedly connected to the rear of the threaded tool block 4, a tool block fixing block 7 is fixedly connected to the top of the tool block limiting block 8, a new threaded tool block 4 is installed in the tool block limiting groove 12 and On the outside of the blade block auxiliary installation groove 11, during installation, first insert the blade block fixing block 7 into the blade block fixing groove 9, and then put the blade block limiting block 8 into the inside of the blade block limiting groove 12 and the blade block auxiliary installation groove 11. After the insertion is completed, the blade block fixing screw 20 is passed through the blade block fixing block 7 and the blade block fixing hole 10 and then matched with each other, which can fix the threaded blade block 4 and facilitate the user to use this device for thread milling. The outer wall surface of the blade block fixing block 7 is installed with a blade block fixing screw 20. Unscrew the blade block fixing screw 20 from the inside of the blade block fixing block 7, and take out the damaged threaded blade block 4 from the inside of the blade block limiting groove 12, the blade block auxiliary installation groove 11 and the blade block fixing groove 9, which can reduce the economic loss of the user. Embodiment 2

[0024] In addition to all the technical features of the first embodiment, the present embodiment also includes: a connecting handle installation groove 5 is provided on the outer periphery of the milling cutter handle 1, a handle limiting groove 18 is provided inside the connecting handle installation groove 5, a handle installation groove 21 is provided inside the mounting block connecting handle 2, a handle limiting tooth 19 is fixedly connected below the handle limiting groove 18, a handle fixing block 16 is fixedly connected to the outer wall below the handle limiting tooth 19, a handle fixing hole 17 is provided on the outside of the handle fixing block 16, a connecting handle limiting tooth 14 is fixedly connected to the front of the mounting block connecting handle 2, a connecting handle limiting groove 15 is provided behind the connecting handle limiting tooth 14, and the connecting handle limiting tooth 14 is inserted into the connecting handle installing groove 21. The mounting block connecting handle 2 is twisted in the groove 5, so that the connecting handle limiting teeth 14 and the connecting handle limiting groove 15 are engaged with the tool handle limiting groove 18 and the tool handle limiting teeth 19, which can facilitate the user to disassemble and replace the milling cutter handle 1 and the mounting block connecting handle 2. A connecting handle fixing hole 13 is provided on the outer periphery of the mounting block connecting handle 2, and a connecting handle fixing bolt 6 is installed inside the connecting handle fixing hole 13. By twisting the mounting block connecting handle 2, the tool handle fixing hole 17 and the connecting handle fixing hole 13 can be overlapped, which can facilitate the user to screw in the connecting handle fixing bolt 6, thereby improving stability during cutting, avoiding inconvenience to the user, and facilitating user use.

[0025] Working principle: the user unscrews the knife block fixing screw 20 from the inside of the knife block fixing block 7, and takes out the damaged threaded knife block 4 from the knife block limiting groove 12, the knife block auxiliary installation groove 11 and the knife block fixing groove 9 opened on the periphery of the knife block mounting block 3, which can reduce the economic loss of the user, and makes the connecting handle limiting teeth 14 and the connecting handle limiting groove 15 engage with the handle limiting groove 18 and the handle limiting teeth 19, so that the user can disassemble and replace the milling cutter handle 1 with the mounting block connecting handle 2 conveniently. During installation, the handle fixing block 16 fixed at the rear of the milling cutter handle 1 can be conveniently inserted into the handle mounting groove 21 opened in the mounting block connecting handle 2. After taking it out, install the new threaded knife block 4 on the outside of the knife block limiting groove 12 and the knife block auxiliary installation groove 11. During installation, first The block fixing block 7 is inserted into the tool block fixing groove 9, and then the tool block limiting block 8 is placed into the tool block limiting groove 12 and the tool block auxiliary mounting groove 11. After the placement is completed, the tool block fixing screw 20 is passed through the tool block fixing block 7 and the tool block fixing hole 10 and then matched with each other, which can fix the threaded tool block 4, making it convenient for users to use this device for thread milling. By twisting the mounting block connecting handle 2, the tool handle fixing hole 17 and the connecting handle fixing hole 13 are overlapped, which makes it convenient for users to screw in the connecting handle fixing bolt 6, which can improve the stability during cutting. The connecting handle limiting groove 15 is inserted into the tool handle limiting groove 18 opened in the connecting handle mounting groove 5, which can improve the stability between the milling cutter handle 1 and the mounting block connecting handle 2, avoid inconvenience to the user, and facilitate user use.

[0026] 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.

[0027] 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 composite thread end mill for machining, comprising a milling cutter handle (1), characterized in that: A mounting block connecting handle (2) is movably mounted below the milling cutter handle (1), a blade block mounting block (3) is fixedly connected below the mounting block connecting handle (2), a blade block auxiliary mounting groove (11) is provided on the periphery of the blade block mounting block (3), a blade block limiting groove (12) is provided inside the blade block auxiliary mounting groove (11), and a blade block fixing groove (9) is provided on the top of the blade block limiting groove (12); A knife block fixing hole (10) is provided at the bottom of the knife block fixing groove (9), a threaded knife block (4) is installed on the outer wall of the knife block limiting groove (12), a knife block limiting block (8) is fixedly connected to the rear of the threaded knife block (4), a knife block fixing block (7) is fixedly connected to the top of the knife block limiting block (8), and a knife block fixing screw (20) is installed on the outer wall surface of the knife block fixing block (7).

2. A composite thread end mill for machining according to claim 1, characterized in that: A connecting handle installation groove (5) is provided on the outer periphery of the milling cutter handle (1), and a cutter handle limiting groove (18) is provided inside the connecting handle installation groove (5).

3. The mechanical processing composite thread end mill according to claim 1, characterized in that: A knife handle mounting groove (21) is provided inside the mounting block connecting handle (2), and a connecting handle limiting tooth (14) is fixedly connected to the front of the mounting block connecting handle (2).

4. The mechanical processing composite thread end mill according to claim 2, characterized in that: A handle limiting tooth (19) is fixedly connected below the handle limiting groove (18), and a handle fixing block (16) is fixedly connected to the outer wall below the handle limiting tooth (19).

5. The mechanical processing composite thread end mill according to claim 4, characterized in that: A knife handle fixing hole (17) is formed on the outside of the knife handle fixing block (16).

6. The mechanical processing composite thread end mill according to claim 3, characterized in that: A connecting handle fixing hole (13) is provided on the outer periphery of the mounting block connecting handle (2), and a connecting handle limiting groove (15) is provided behind the connecting handle limiting tooth (14).

7. The mechanical processing composite thread end mill according to claim 6, characterized in that: A connecting handle fixing bolt (6) is installed inside the connecting handle fixing hole (13).

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