Thread milling cutter capable of removing burrs for mold machining

Abstract

The utility model belongs to the technical field of thread milling cutters, particularly relates to a thread milling cutter capable of removing burrs for mold processing, and aims to improve the conditions that a cutter handle is integrally formed, a thread drill hole is deepened when the cutter handle is used for a long time, the cutter handle is not long enough, and cutting cannot be realized in the prior art. In order to solve the problem that the economic cost of a user is increased due to the fact that a thread cutting edge is integrally formed on the surface of a thread cutter handle and needs to be integrally replaced when the cutting edge is damaged, the following scheme is provided that the tool comprises a lengthening rod. The cutter bar connecting bolt I fixed at the rear end of the lengthening bar is inserted into the bolt groove formed in the fixed cutter bar, so that a user can effectively and conveniently lengthen the whole cutter, the cutter is prevented from being replaced due to insufficient length during cutting, and the cutter is convenient to use by the user; and after installation is completed, the tool can be prevented from falling off in the cutting process through mutual cooperation of the plug pin fixing nail and the plug pin limiting hole, and inconvenience brought to a user is effectively avoided.

Description

Technical Field

[0001] The utility model relates to a thread milling cutter capable of removing burrs, in particular to a thread milling cutter capable of removing burrs for mold processing, belonging to the technical field of thread milling cutters. Background Art

[0002] The durability of thread milling cutters is more than ten or even dozens of times that of taps, and in the process of CNC thread milling, it is extremely convenient to adjust the thread diameter size, which is difficult to do using taps and dies.

[0003] The announcement number is CN213998110U, a thread milling cutter with a deburring function, including a mounting handle, a milling cutter handle integrally formed on the left side of the mounting handle, a milling cutter cutting edge integrally formed on the surface of the milling cutter handle, a threaded cutter handle integrally formed on the left side of the milling cutter handle, and a threaded cutter cutting edge integrally formed on the surface of the threaded cutter handle. The utility model enables the thread milling cutter to process the threads inside the product more precisely through the cooperation of the milling cutter cutting edge, and the threaded cutter cutting edge can remove the burrs at the tail of the product thread while processing the threads of the product.

[0004] In the above technical scheme, the thread milling cutter can process the threads inside the product more accurately through the cooperation of the milling cutter cutting edge. The thread cutting edge can remove the burrs on the tail of the product thread while processing the threads on the product. However, since the milling cutter handle is integrally formed, after long-term use, the thread drilling deepens, which may cause the handle to be not long enough and unable to cut. In addition, the surface of the thread cutter handle is integrally formed with a thread cutting edge, which will cause the entire handle to need to be replaced when the blade is damaged, thereby increasing the economic cost of the user. For this reason, we provide a deburring thread milling cutter for mold processing. Utility Model Content

[0005] The utility model provides a deburring thread milling cutter for mold processing to solve the above-mentioned problem that due to the integrated milling cutter handle, when used for a long time, the threaded drilling deepens, which may cause the handle to be not long enough and unable to cut, and the surface of the threaded cutter handle is integrally formed with a threaded cutting edge, which may cause the entire handle to be replaced when the edge is damaged, thereby increasing the economic cost of the user.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: a thread milling cutter capable of removing burrs for mold processing, comprising an extension rod, a fixed tool bar is installed at the rear end of the extension rod, a fixed tool head is fixed at the rear end of the fixed tool bar, a latch limiting hole is opened on the outer wall of the extension rod and the fixed tool bar, a latch fixing nail is installed inside the latch limiting hole, a tool bar connecting latch 1 is fixedly connected to the rear end of the extension rod, and a latch groove is opened in the center of the extension rod and the fixed tool bar;

[0007] A blade block installation groove is provided on the rear outer wall of the fixed blade head, a blade block fixing groove is provided on the inner wall below the blade block installation groove, a milling blade block is installed on the outer wall of the blade block installation groove, a blade block fixing block is fixed on the other side of the milling blade block, a blade block fixing hole is provided on the outer wall surface of the blade block fixing block, a blade block limiting hole is provided on the outer wall surface of the fixed blade head, and a blade block fixing nail is installed inside the blade block limiting hole.

[0008] As a further solution of the utility model: a knife handle is installed at the front end of the extension rod, and a fixed installation block is fixedly connected to the front end of the knife handle.

[0009] As a further solution of the utility model: a sharp milling edge is provided on one side of the milling cutter block, and a blunt milling edge is also provided on one side of the milling cutter block.

[0010] As a further solution of the utility model: the blunt milling edge is located behind the sharp milling edge.

[0011] As a further solution of the utility model: a latch stop block 1 is fixed on the periphery of the knife bar connecting latch 1, and a latch anti-drop groove 1 is provided on the peripheries of the knife bar connecting latch 1 and the latch stop block 1.

[0012] As a further solution of the utility model: a second latch limit block is fixedly connected to the rear end of the knife handle.

[0013] As a further solution of the utility model: the outer periphery of the second latch limit block is fixedly connected with a second knife bar connecting latch, and the outer walls of the second knife bar connecting latch and the second latch limit block are provided with a second latch anti-drop groove.

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

[0015] 1. The utility model inserts the knife bar connecting pin fixed at the rear end of the extension rod into the pin slot provided inside the fixed knife bar, which can effectively facilitate the user to lengthen the knife as a whole, effectively avoid the knife being replaced due to insufficient length during cutting, and is convenient for the user to use. After the installation is completed, the mutual cooperation between the pin fixing nail and the pin limiting hole can effectively prevent the knife from falling off during cutting, effectively avoiding inconvenience to the user;

[0016] 2. The utility model can effectively disassemble and replace the milling cutter block through the mutual cooperation of the cutter block installation groove and the cutter block fixing groove opened on the fixed cutter head. After the replacement is completed, the cutter block fixing hole opened by the cutter block fixing block and the cutter block limiting hole opened on the outer wall of the fixed cutter head overlap with each other, which can facilitate the user to screw in the cutter block fixing nail, thereby effectively preventing the milling cutter block from falling off during cutting, effectively 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 cutter head of the utility model;

[0019] Figure 3 This is a schematic diagram of the knife bar connection structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the latch slot structure of the utility model.

[0021] In the figure: 1. Extension rod; 2. Fixed tool bar; 3. Fixed tool head; 4. Tool bar connecting pin 1; 5. Pin limit block 1; 6. Tool block fixing nail; 7. Pin limit hole; 8. Pin fixing nail; 9. Pin anti-drop groove 1; 10. Tool block installation groove; 11. Milling tool block; 12. Tool block fixing groove; 13. Tool block fixing block; 14. Tool block limit hole; 15. Tool block fixing hole; 16. Tool bar connecting pin 2; 17. Sharp milling blade; 18. Blunt milling blade; 19. Tool handle; 20. Pin limit block 2; 21. Pin anti-drop groove 2; 22. Pin groove; 23. Fixed mounting block. 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 4 As shown, a deburring thread milling cutter for mold processing comprises an extension rod 1, a fixed tool rod 2 is installed at the rear end of the extension rod 1, a fixed cutter head 3 is fixed at the rear end of the fixed tool rod 2, a latch limiting hole 7 is provided on the outer wall of the extension rod 1 and the fixed tool rod 2, a latch fixing nail 8 is installed inside the latch limiting hole 7, and the mutual cooperation between the latch fixing nail 8 and the latch limiting hole 7 can effectively prevent the tool from falling off during cutting, and effectively avoid inconvenience to the user, a tool rod connecting latch 4 is fixedly connected to the rear end of the extension rod 1, and a latch groove 22 is provided in the center of the extension rod 1 and the fixed tool rod 2, and the tool rod connecting latch 4 fixed at the rear end of the extension rod 1 is inserted into the latch groove 22 provided inside the fixed tool rod 2, which can effectively facilitate the user to lengthen the tool as a whole, effectively prevent the tool from being replaced due to insufficient length during cutting, and facilitate the user to use;

[0024] A blade block installation groove 10 is provided on the rear outer wall of the fixed blade head 3, a blade block fixing groove 12 is provided on the inner wall below the blade block installation groove 10, a milling blade block 11 is installed on the outer wall of the blade block installation groove 10, a blade block fixing block 13 is fixed on the other side of the milling blade block 11, a blade block fixing hole 15 is provided on the outer wall surface of the blade block fixing block 13, a blade block limiting hole 14 is provided on the outer wall surface of the fixed blade head 3, a blade block fixing nail 6 is installed inside the blade block limiting hole 14, the blade block fixing hole 15 opened by the blade block fixing block 13 and the blade block limiting hole 14 opened on the outer wall of the fixed blade head 3 overlap with each other, which can facilitate the user to screw in the blade block fixing nail 6, thereby effectively preventing the milling blade block 11 from falling off during cutting, effectively improving the stability during cutting, and facilitating the use of the user. Embodiment 2

[0025] In addition to all the technical features of the first embodiment, the present embodiment also includes: a tool handle 19 is installed at the front end of the extension rod 1, and a fixed mounting block 23 is fixedly connected to the front end of the tool handle 19; a sharp milling blade 17 is provided on one side of the milling cutter block 11; the milling cutter block 11 can be effectively disassembled and replaced by cooperating with the tool block mounting groove 10 and the tool block fixing groove 12 provided on the fixed cutter head 3; a blunt milling blade 18 is also provided on one side of the milling cutter block 11, and the blunt milling blade 18 is located behind the sharp milling blade 17; a latch limit block 5 is fixedly provided on the periphery of the tool rod connecting latch 4; a latch anti-drop groove 9 is provided on the periphery of the tool rod connecting latch 4 and the latch limit block 5; a latch limit block 20 is fixedly connected to the rear end of the tool handle 19; a tool rod connecting latch 2 16 is fixedly connected to the periphery of the latch limit block 20; and a latch anti-drop groove 21 is provided on the outer wall of the tool rod connecting latch 2 16 and the latch limit block 20.

[0026] Working principle: first, fix the fixed mounting block 23 on the machine tool, then insert the tool rod connecting pin 2 16, the pin limit block 20 and the pin anti-drop groove 21 at the rear end of the tool handle 19 into the pin groove 22 opened in the fixed tool rod 2, after the insertion is completed, the pin anti-drop groove 21 can coincide with the inner side of the pin limit hole 7, at this time, screw in the pin fixing nail 8 so that the pin fixing nail 8 is stuck in the pin anti-drop groove 21, which can effectively prevent it from falling off during cutting, thereby effectively avoiding inconvenience to the user, and secondly, separate the fixed tool rod 2 from the tool handle 19 as the depth increases, insert the tool rod connecting pin 14, the pin limit block 15 and the pin anti-drop groove 19 fixed at one end of the extension rod 1 into the pin groove 22, and then insert the tool handle 19 into the pin groove 22 opened in the extension rod 1, and fix them respectively through the pin fixing nail 8 and the pin limit hole 7. The tool is convenient for users to use, and the user can screw the tool fixing nail 6 out of the tool block limiting hole 14 when the milling tool block 11 is worn, and remove the milling tool block 11 and the tool block fixing block 13 from the installation tool block groove 10 and the tool block fixing groove 12 provided in the fixed tool head 3, and then put the new milling tool block 11 in. After the insertion is completed, the tool block fixing hole 15 provided on the surface of the tool block fixing block 13 can overlap with the inner side of the tool block limiting hole 14. This can effectively facilitate users to screw in the tool block fixing nail 6, fix the milling tool block 11 under the fixed tool head 3 for stable cutting, and the pointed milling edge 17 can effectively perform thread milling, while the blunt milling edge 18 has a blunt blade, which can effectively remove the burrs of the thread after milling. This can effectively improve the use of the milling tool block 11 and facilitate users to perform milling.

[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 thread milling cutter capable of removing burrs for mold processing, comprising an extension rod (1), characterized in that: A fixed knife bar (2) is installed at the rear end of the extension rod (1), a fixed knife head (3) is fixed at the rear end of the fixed knife bar (2), a latch stop hole (7) is provided on the outer wall of the extension rod (1) and the fixed knife bar (2), a latch fixing nail (8) is installed inside the latch stop hole (7), a knife bar connecting latch 1 (4) is fixedly connected to the rear end of the extension rod (1), and a latch groove (22) is provided in the center of the extension rod (1) and the fixed knife bar (2); A blade block installation groove (10) is provided on the rear outer wall of the fixed blade head (3), a blade block fixing groove (12) is provided on the lower inner wall of the blade block installation groove (10), a milling blade block (11) is installed on the outer wall of the blade block installation groove (10), a blade block fixing block (13) is fixed on the other side of the milling blade block (11), a blade block fixing hole (15) is provided on the outer wall surface of the blade block fixing block (13), a blade block limiting hole (14) is provided on the outer wall surface of the fixed blade head (3), and a blade block fixing nail (6) is installed inside the blade block limiting hole (14).

2. A thread milling cutter capable of removing burrs for mold processing according to claim 1, characterized in that: A knife handle (19) is mounted on the front end of the extension rod (1), and a fixed mounting block (23) is fixedly connected to the front end of the knife handle (19).

3. A thread milling cutter capable of removing burrs for mold processing according to claim 1, characterized in that: A sharp milling edge (17) is provided on one side of the milling cutter block (11), and a blunt milling edge (18) is also provided on one side of the milling cutter block (11).

4. A thread milling cutter capable of removing burrs for mold processing according to claim 3, characterized in that: The blunt milling edge (18) is located behind the sharp milling edge (17).

5. A thread milling cutter capable of removing burrs for mold processing according to claim 1, characterized in that: A latch stop block 1 (5) is fixed to the outer periphery of the knife bar connecting latch 1 (4), and a latch anti-drop groove 1 (9) is provided on the outer peripheries of the knife bar connecting latch 1 (4) and the latch stop block 1 (5).

6. A thread milling cutter capable of removing burrs for mold processing according to claim 2, characterized in that: The rear end of the knife handle (19) is fixedly connected to a second latch stop block (20).

7. A thread milling cutter capable of removing burrs for mold processing according to claim 6, characterized in that: The outer periphery of the second latch stop block (20) is fixedly connected with a knife bar connecting latch (16), and the outer walls of the knife bar connecting latch (16) and the second latch stop block (20) are provided with a second latch anti-drop groove (21).

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