Straight shank type deep hole milling cutter
By designing the fixed structure of the mounting block and the tool head in the straight-hand end mill, the rapid disassembly and assembly of the tool head and the precise control of the tool body length are achieved, which solves the problem of cumbersome replacement of the tool body in the prior art, and improves the efficiency and practicality of use.
Patent Information
- Application Number
- CN202421530269.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing straight-handle end mills need to be removed when replacing the tool body, which makes the replacement process cumbersome and inconvenient for precise control of the tool body length.
A straight-handle deep hole milling cutter is designed, using a fixing structure of the mounting block and the cutting head. The quick disassembly and precise fixing of the cutting head is achieved through quick disassembly buttons and elastic mounting teeth, ensuring the stability and controllability of the cutting head.
It realizes rapid replacement of the tool head and precise control of the tool body length, improves the efficiency and practicality of the milling cutter, and simplifies the replacement process.
Smart Images

Figure CN222856823U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of milling cutters, in particular to a straight-shank deep-hole milling cutter. Background Art
[0002] Straight shank milling cutter is also called straight shank end mill. End mills are divided into coarse teeth and fine teeth. Generally, straight shank end mills with three cutting edges are called coarse teeth milling cutters. Coarse teeth straight shank end mills are suitable for rough milling of general end face grooves and steps. They have good cutting edge strength, easy chip removal and high processing efficiency.
[0003] A vertical shank end mill with announcement number CN218611872U includes a cutter body, an extension rod and a shank, the extension rod is connected to the top end of the cutter body, the extension rod and the cutter body are integrally formed, the shank is detachably connected to the surface of the extension rod, a cavity opening downward is provided inside the cutter handle, the top end of the extension rod extends into the groove of the cavity, the groove wall of the cavity is provided with an internal thread, the surface of the extension rod is provided with an external thread, the surface of the cutter handle is provided with a first screw hole, the surface of the extension rod is provided with a second screw hole, the inner wall of the first screw hole and the inner wall of the second screw hole are penetrated by the same fixing bolt, the utility model facilitates the user to accurately control the length between the shank and the extension rod according to usage conditions, thereby improving practicality.
[0004] In the above technical solution, the extension rod can be connected to the tool handle, and the precise control of the tool body length can be achieved through the internal thread and the external thread, so that cutting work can be performed. However, when this type of milling cutter needs to be replaced with other tool bodies, the milling cutter needs to be disassembled, and the tool needs to be aligned again after replacing the tool. For this reason, we provide a straight-shank deep hole milling cutter. Utility Model Content
[0005] The utility model aims to provide a straight shank deep hole milling cutter to solve the problems raised in the above background technology.
[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0007] A straight shank deep hole milling cutter comprises a blade root clamping surface, a blade handle 1 is fixed behind the blade root clamping surface, a fixing hole 1 is opened on the outside of the blade handle 1, a mounting groove 1 is opened on the inside of the blade handle 1, and a mounting block 1 is connected to the outside of the mounting groove 1;
[0008] The outer wall of the mounting block one is provided with a mounting block fixing hole, an extended fixing rod is fixed to the rear end of the mounting block one, a mounting groove two is provided inside the rear of the extended fixing rod, a quick release button is installed on the outer wall of the extended fixing rod, the inside of the mounting groove two is connected to the mounting block two, elastic mounting teeth are installed on the outer wall of the mounting block two, and a limiting groove is provided inside the mounting block two.
[0009] As a further description of the above technical solution: a cutter head 1 is fixed to the rear of the mounting block 2, and the mounting block 2 is fixed to the cutter head 1, so that the cutter head 1 can be effectively rotated.
[0010] As a further description of the above technical solution: the outer wall of the cutter head 1 is provided with a chip groove, and the cutter head 1 cooperates with the chip groove to enable the chip groove to perform cutting.
[0011] As a further description of the above technical solution: the outer wall of the cutter head 1 is also provided with a cutting edge, and the chip removal groove is located on one side of the cutting edge. The cutter head 1 cooperates with the cutting edge to enable the cutting edge to perform chip removal.
[0012] As a further description of the above technical solution: the interior of the fixing hole 1 is connected with a bolt, and the fixing hole 1 can effectively strengthen the stability of the whole through the mutual cooperation with the bolt.
[0013] As a further description of the above technical solution: a protective cover is installed at one end of the mounting block 2, and the mounting block 2 can effectively protect the internal parts of the mounting block 2 through the protective cover.
[0014] As a further description of the above technical solution: a spring is installed inside the limiting groove, and the limiting groove can effectively make the spring rebound in the second mounting block and can effectively make the elastic mounting tooth pop out.
[0015] It can be seen from the above description that the technical problem to be solved by this application can definitely be solved through the above technical solution of this application.
[0016] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:
[0017] The utility model can effectively rotate the cutter head 1 by fixing the mounting block 2 with the cutter head 1, and the cutter head 1 cooperates with the chip groove to enable the chip groove to perform cutting, and the cutter head 1 cooperates with the cutting edge to enable the cutting edge to perform chip removal work;
[0018] The utility model can effectively strengthen the stability of the whole by cooperating with the bolt through the fixing hole 1 provided, and the mounting block 2 can effectively protect the internal parts of the mounting block 2 through the protective cover, and the limiting groove can effectively make the spring rebound in the mounting block 2 and effectively make the elastic mounting tooth pop out. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the connection structure of the utility model;
[0021] Figure 3 This is a schematic diagram of the structure of the engagement portion of the utility model;
[0022] Figure 4 It is a schematic diagram of the internal structure of the engaging part of the utility model.
[0023] In the figure: 1. Clamping surface of the blade root; 2. Knife handle 1; 3. Bolt; 4. Extended fixing rod; 5. Quick release button; 6. Knife head 1; 7. Chip groove; 8. Cutting edge; 9. Elastic mounting teeth; 10. Spring; 11. Limiting groove; 12. Fixing hole 1; 13. Mounting groove 1; 14. Mounting block 1; 15. Mounting block fixing hole; 16. Mounting groove 2; 17. Mounting block 2; 18. Protective cover. DETAILED DESCRIPTION
[0024] 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
[0025] As attached Figure 1 , Figure 3 and Figure 4 As shown, the utility model provides a technical solution: a straight shank deep hole milling cutter comprises a blade root clamping surface 1, a blade handle 2 is fixed to the rear of the blade root clamping surface 1, a fixing hole 12 is provided on the outside of the blade handle 2, a mounting groove 13 is provided on the inside of the blade handle 2, and a mounting block 14 is connected to the outside of the mounting groove 13; a mounting block fixing hole 15 is provided on the outer wall of the mounting block 14, an extended fixing rod 4 is fixed to the rear end of the mounting block 14, a mounting groove 2 16 is provided on the rear inside of the extended fixing rod 4, a quick-release button 5 is installed on the outer wall of the extended fixing rod 4, a mounting block 2 17 is connected to the inside of the mounting groove 2 16, an elastic mounting tooth 9 is installed on the outer wall of the mounting block 2 17, a limiting groove 11 is provided on the inside of the mounting block 2 17, a cutter head 6 is fixed to the rear of the mounting block 2 17, and the mounting block 2 17 can effectively rotate the cutter head 6 by being fixed to the cutter head 6. Embodiment 2
[0026] In addition to all the technical features of the first embodiment, this embodiment also includes:
[0027] The solution in the first embodiment is further introduced below in combination with a specific working method, as described below for details:
[0028] like Figure 1, Figure 2 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the outer wall of the cutter head 6 is provided with a chip withdrawal groove 7, and the cutter head 6 can cooperate with the chip withdrawal groove 7 to enable the chip withdrawal groove 7 to perform cutting, and the outer wall of the cutter head 6 is also provided with a cutting edge 8, and the chip withdrawal groove 7 is located on one side of the cutting edge 8, and the cutter head 6 can cooperate with the cutting edge 8 to enable the cutting edge 8 to perform chip removal work, the interior of the fixing hole 12 is connected with a bolt 3, and the fixing hole 12 can effectively reinforce the stability between the whole by cooperating with the bolt 3, a protective cover 18 is installed at one end of the mounting block 17, and the mounting block 17 can effectively protect the internal parts of the mounting block 17 through the protective cover 18, and a spring 10 is installed inside the limiting groove 11, and the limiting groove 11 can effectively make the spring 10 rebound in the mounting block 17, and can effectively make the elastic mounting tooth 9 pop out.
[0029] Working principle: First, fix the root clamping surface 1 of the tool on the machine tool, and then fix the extended fixing rod 4 through the bolt 3 on the outer wall of the tool handle 2, and the quick release button 5 can effectively disassemble and assemble the tool head 6. Secondly, the cutting edge 8 can effectively cut, and the chip groove 7 can discharge the chips after cutting, and the elastic mounting tooth 9 can effectively be ejected through the spring 10 inside the mounting block 2 17, and the limiting groove 11 can effectively limit the spring 10 to avoid dislocation. Then, the bolt 3 cooperates with the fixing hole 12 and the mounting block fixing hole 15 to fix the mounting block 14 inside the mounting groove 13, and install the mounting block 2 17 inside the mounting groove 2 16. It is necessary to press the elastic mounting tooth 9 into the mounting block 2 17, and it can be effectively installed into the mounting groove 2 16 after being pressed down, and the protective cover 18 can effectively protect the spring 10.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A straight shank deep hole milling cutter, comprising a blade root clamping surface (1), characterized in that: A knife handle (2) is fixed behind the knife root clamping surface (1), a fixing hole (12) is provided on the outside of the knife handle (2), a mounting groove (13) is provided on the inside of the knife handle (2), and a mounting block (14) is connected to the outside of the mounting groove (13); The outer wall of the mounting block 1 (14) is provided with a mounting block fixing hole (15); an extended fixing rod (4) is fixed to the rear end of the mounting block 1 (14); a mounting groove 2 (16) is provided inside the rear of the extended fixing rod (4); a quick-release button (5) is installed on the outer wall of the extended fixing rod (4); the inside of the mounting groove 2 (16) is connected to the mounting block 2 (17); an elastic mounting tooth (9) is installed on the outer wall of the mounting block 2 (17); and a limiting groove (11) is provided inside the mounting block 2 (17).
2. A straight shank deep hole milling cutter according to claim 1, characterized in that: A cutter head 1 (6) is fixed to the rear of the mounting block 2 (17).
3. A straight shank deep hole milling cutter according to claim 2, characterized in that: The outer wall of the cutter head 1 (6) is provided with a chip removal groove (7).
4. A straight shank deep hole milling cutter according to claim 3, characterized in that: The outer wall of the cutter head 1 (6) is also provided with a cutting edge (8), and the chip removal groove (7) is located on one side of the cutting edge (8).
5. A straight shank deep hole milling cutter according to claim 1, characterized in that: A bolt (3) is connected inside the fixing hole 1 (12).
6. A straight shank deep hole milling cutter according to claim 1, characterized in that: A protective cover (18) is installed at one end of the second mounting block (17).
7. A straight shank deep hole milling cutter according to claim 1, characterized in that: A spring (10) is installed inside the limiting groove (11).