Cylindrical milling cutter with replaceable blade

Abstract

The utility model belongs to the technical field of milling cutters, particularly relates to a cylindrical milling cutter with a replaceable blade, and aims to solve the problems that a cutter body and a cutter body are of a fixed integrated structure, and a long cylindrical milling cutter needs to be replaced when the cutter cannot cut a workpiece after being used for a long time, so that the milling precision is prevented from being influenced, and the production cost is reduced. In order to solve the problems that in the prior art, a cylindrical milling cutter with a proper size needs to be replaced, but after the cylindrical milling cutter with the proper size is replaced, the cutter needs to be calibrated and set again, and labor hours are wasted, the following scheme is provided: the milling cutter comprises a clamping cutter root, and a fixed cutter root is fixedly connected behind the clamping cutter root. The stability among the limiting and fixing protection pipe, the fixed knife root and the lengthening rod can be greatly improved, a limiting and fixing screw is fixed in a second limiting block hole and a first limiting block hole through a protection pipe fixing hole, separation of a knife root limiting block and a first lengthening limiting block can be effectively avoided, and use by a user is effectively facilitated.

Description

Technical Field

[0001] The utility model relates to a cylindrical milling cutter, in particular to a cylindrical milling cutter with replaceable blades, belonging to the technical field of milling cutters. Background Art

[0002] Cylindrical milling cutters are the most commonly used processing tools for machine tool milling. The teeth of cylindrical milling cutters are evenly distributed on the circumference of the milling cutter. According to the tooth shape, they are divided into straight teeth and spiral teeth. When working, each tooth cuts off the excess of the workpiece intermittently in turn. It is mainly used for processing planes, steps, grooves, forming surfaces and cutting off workpieces on milling machines.

[0003] A cylindrical milling cutter with announcement number CN215431726U for high-gloss cutting of aluminum and good chip removal effect relates to the technical field of milling cutters, including a cutter body, a blade body being fixedly mounted at one end of the cutter body, and an arc groove being provided on the surface of the blade body. By arranging the cutter body, the blade body, the arc groove and the protrusion, the blade body can quickly discharge the debris entangled on the surface during use.

[0004] However, in actual use, since the cutter body and the blade are a fixed integrated structure, after long-term use, when the tool cannot cut the workpiece, it is necessary to replace the cylindrical milling cutter with a longer size to avoid affecting the milling precision. However, after replacing the cylindrical milling cutter of appropriate size, it is necessary to recalibrate the tool, which wastes time. For this reason, we provide a cylindrical milling cutter with replaceable blades. Utility Model Content

[0005] The utility model provides a cylindrical milling cutter with replaceable blades to solve the above-mentioned problem that, due to the fixed integrated structure of the cutter body and the blade, after long-term use, when the tool cannot cut the workpiece, it is necessary to replace a cylindrical milling cutter with a longer size, so as to avoid affecting the milling precision, but after replacing the cylindrical milling cutter of appropriate size, it is necessary to recalibrate the tool, which wastes work time.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: a cylindrical milling cutter with replaceable blades, comprising a clamping cutter root, a fixed cutter root is fixedly connected to the rear of the clamping cutter root, a limited fixed protective tube is sleeved and connected to the rear of the fixed cutter root, an extension rod is installed behind the limited fixed protective tube, an extended limit protective tube is sleeved behind the extension rod, and a cutter head is installed behind the extended limit protective tube;

[0007] The outside of the cutter head 1 is evenly provided with cutter head grooves, the inner wall of the cutter head groove is provided with a blade 1, and the outside of the blade 1 is provided with a blade fixing screw.

[0008] As a further solution of the utility model: a protection tube fixing hole is opened on the outer wall of the protection tube fixing hole, and a limiting fixing screw is installed on the inner wall of the protection tube fixing hole.

[0009] As a further solution of the utility model: a knife root limit block and an extended limit block 1 are arranged at the connection between the fixed knife root and the extension rod, a limit block hole 2 is arranged on the outer wall of the knife root limit block, and a limit block hole 1 is arranged on the outer wall of the extended limit block 1.

[0010] As a further solution of the utility model: the blade root limit block is fixedly connected to the rear end outer wall of the fixed blade root, the extended limit block 1 is fixedly connected to the front outer wall of the extended rod, and the cross-section of the blade root limit block and the extended limit block 1 is a semicircular structure.

[0011] As a further solution of the utility model: a second tube protection hole is opened on the outer wall of the lengthened limit tube protection tube, and a limit tube protection screw is installed on the inner wall of the second tube protection hole.

[0012] As a further solution of the utility model: a cutter head limit block and an extended limit block 2 are installed at the connection between the extension rod and the cutter head 1, a limit block hole 3 is provided on the outer wall of the cutter head limit block, and a limit hole 4 is provided on the outer wall of the extended limit block 2.

[0013] As a further solution of the utility model: the extended limit block 2 is fixedly connected to the rear outer wall of the extended rod, the cutter head limit block is fixedly connected to the front outer wall of the cutter head 1, and the cross-section of the cutter head limit block and the extended limit block 2 is a semicircular structure.

[0014] The beneficial effects of the utility model are as follows: the limit fixing screw and the protective tube fixing hole are mutually connected, which can greatly improve the stability between the limit fixing protective tube and the fixed knife root and the extension rod; the limit fixing screw is fixed inside the limit block hole 2 and the limit block hole 1 through the protective tube fixing hole, which can effectively avoid the separation of the knife root limit block and the extension limit block 1, and effectively facilitate the use of the user;

[0015] The beneficial effects of the utility model are as follows: the limit tube protection screw cooperates with the second tube protection hole, which can greatly improve the stability of the extended limit tube, the extension rod and the cutter head during operation; the extended limit tube, through the cooperation between the second tube protection hole and the limit tube protection screw, is conducive to the disassembly between the cutter head limit block and the extended limit block two; the limit block hole three and the limit hole four cooperate with each other through the limit tube protection screw, which can effectively facilitate the replacement of the extension rod and the cutter head one. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of a cutter head of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the utility model's limited fixed protection tube and fixed blade root and extension rod;

[0019] Figure 4It is a structural schematic diagram of an extension rod, an extension limit protection tube and a cutter head of the utility model.

[0020] In the figure: 1. Clamp the root of the knife; 2. Fix the root of the knife; 3. Limit and fix the protective tube; 4. Limit and fix the screw; 5. Extension rod; 6. Lengthen the limit protective tube; 7. Limit protective tube screw; 8. Cutter head one; 9. Blade one; 10. Blade fixing screw; 11. Cutter head slot; 12. Lengthen limit block one; 13. Limit block hole one; 14. Protective tube fixing hole; 15. Cutter root limit block; 16. Limit block hole two; 17. Cutter head limit block; 18. Limit block hole three; 19. Protective tube hole two; 20. Lengthen limit block two; 21. Limit hole four. DETAILED DESCRIPTION

[0021] 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

[0022] like Figures 1 to 4 As shown, a cylindrical milling cutter with replaceable blades comprises a clamping blade root 1, a fixed blade root 2 is fixedly connected to the rear of the clamping blade root 1, a limited fixed protective tube 3 is sleeved and connected to the rear of the fixed blade root 2, an extension rod 5 is installed behind the limited fixed protective tube 3, an extension rod 5 is sleeved behind the rear of the extension rod 5, an extended limited protective tube 6 is sleeved behind the rear of the extension rod 5, and a cutter head 8 is installed behind the extended limited protective tube 6;

[0023] The outside of the cutter head 8 is evenly provided with cutter head grooves 11, the inner wall of the cutter head groove 11 is installed with a blade 9, and the outside of the blade 9 is installed with a blade fixing screw 10. Embodiment 2

[0024] In addition to all the technical features of the first embodiment, this embodiment also includes:

[0025] The connection between the fixed blade root 2 and the extension rod 5 is provided with a blade root limit block 15 and an extension limit block 12, the outer wall of the blade root limit block 15 is provided with a limit block hole 2 16, the outer wall of the extension limit block 12 is provided with a limit block hole 13, the outer wall of the limit fixed protective tube 3 is provided with a protective tube fixing hole 14, the inner wall of the protective tube fixing hole 14 is installed with a limit fixing screw 4, the blade root limit block 15 is fixedly connected to the rear end outer wall of the fixed blade root 2, and the extension limit block 12 is fixedly connected to the extension The front outer wall of the long rod 5, the cross-section of the knife root limit block 15 and the lengthened limit block 12 is a semicircular structure, and the limit fixing screw 4 and the protective tube fixing hole 14 are mutually fixed, which can greatly improve the stability between the limit fixing protective tube 3 and the fixed knife root 2 and the lengthened rod 5. The limit fixing screw 4 is fixed to the inside of the limit block hole 2 16 and the limit block hole 1 13 through the protective tube fixing hole 14, which can effectively avoid the separation of the knife root limit block 15 and the lengthened limit block 12, and effectively facilitate the use of the user;

[0026] The outer wall of the extended limit protection tube 6 is provided with a protection tube hole 2 19, and the inner wall of the protection tube hole 2 19 is installed with a limit protection tube screw 7. The connection between the extended rod 5 and the cutter head 1 8 is installed with a cutter head limit block 17 and an extended limit block 20. The outer wall of the cutter head limit block 17 is provided with a limit block hole 3 18, and the outer wall of the extended limit block 20 is provided with a limit hole 4 21. The extended limit block 20 is fixedly connected to the rear outer wall of the extended rod 5, and the cutter head limit block 17 is fixedly connected to the front outer wall of the cutter head 1 8. The cutter head limit block 17 and the extended The cross-section of the limit block 20 is a semicircular structure, and the limit tube screw 7 cooperates with the tube hole 2 19, which can greatly improve the stability of the extended limit tube 6, the extension rod 5 and the cutter head 8 during operation. The extended limit tube 6 cooperates with the tube hole 2 19 and the limit tube screw 7, which is conducive to the disassembly between the cutter head limit block 17 and the extended limit block 20. The limit block hole 3 18 and the limit hole 4 21 cooperate with each other through the limit tube screw 7, which can effectively facilitate the replacement between the extension rod 5 and the cutter head 8.

[0027] Working principle: Fix the clamping knife root 1 to the machine tool, then the fixed knife root 2 can effectively make the extension rod 5 operate through the clamping knife root 1, and the limit fixing protective tube 3 greatly improves the stability of the fixed knife root 2 and the extension rod 5 during operation, the extension rod 5 can make the cutter head 8 operate, and the extended limit protective tube 6 can greatly improve the stability between the extension rod 5 and the cutter head 8, the cutter head 8 can effectively make the blade 9 stable cutting through the cutter head groove 11, and the blade fixing screw 10 can facilitate the user to disassemble and replace the blade 9, the limit protective tube screw 7 and the protective tube hole 19 cooperate with each other, which can greatly improve the stability of the extended limit protective tube 6, the extension rod 5 and the cutter head 8 during work, and the extended limit protective tube The cooperation between the tube 6 through the second tube protection hole 19 and the limiting tube protection screw 7 is conducive to the disassembly between the cutter head limiting block 17 and the extended limiting block 20. The limiting block hole 3 18 and the limiting hole 4 21 cooperate with each other through the limiting tube protection screw 7, which can effectively facilitate the replacement between the extension rod 5 and the cutter head 8, and effectively facilitate the use of the user. The limiting fixing screw 4 and the tube fixing hole 14 can greatly improve the stability between the limiting fixing tube 3 and the fixed knife root 2 and the extension rod 5. The limiting fixing screw 4 is fixed to the inside of the limiting block hole 2 16 and the limiting block hole 1 13 through the tube fixing hole 14, which can effectively avoid the separation of the knife root limiting block 15 and the extended limiting block 12, and effectively facilitate the use of the user.

[0028] 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.

[0029] 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 cylindrical milling cutter with replaceable blades, comprising a clamping blade root (1), characterized in that: The rear of the clamping blade root (1) is fixedly connected to a fixed blade root (2), the rear of the fixed blade root (2) is sleeved with a limited fixed protective tube (3), the rear of the limited fixed protective tube (3) is installed with an extension rod (5), the rear of the extension rod (5) is sleeved with an extended limited protective tube (6), and the rear of the extended limited protective tube (6) is installed with a blade head (8); The outside of the cutter head 1 (8) is evenly provided with cutter head grooves (11), the inner wall of the cutter head groove (11) is mounted with a blade 1 (9), and the outside of the blade 1 (9) is mounted with a blade fixing screw (10).

2. A cylindrical milling cutter with replaceable blades according to claim 1, characterized in that: The outer wall of the position-limiting fixing protective tube (3) is provided with a protective tube fixing hole (14), and the inner wall of the protective tube fixing hole (14) is installed with a position-limiting fixing screw (4).

3. A cylindrical milling cutter with replaceable blades according to claim 1, characterized in that: A blade root limit block (15) and an extended limit block 1 (12) are provided at the connection between the fixed blade root (2) and the extended rod (5); a limit block hole 2 (16) is provided on the outer wall of the blade root limit block (15); and a limit block hole 1 (13) is provided on the outer wall of the extended limit block 1 (12).

4. A cylindrical milling cutter with replaceable blades according to claim 3, characterized in that: The blade root limit block (15) is fixedly connected to the rear end outer wall of the fixed blade root (2), and the extended limit block one (12) is fixedly connected to the front outer wall of the extended rod (5). The cross-sections of the blade root limit block (15) and the extended limit block one (12) are semicircular structures.

5. A cylindrical milling cutter with replaceable blades according to claim 1, characterized in that: The outer wall of the extended limit-limiting protective tube (6) is provided with a second protective tube hole (19), and the inner wall of the second protective tube hole (19) is installed with a limit-limiting protective tube screw (7).

6. A cylindrical milling cutter with replaceable blades according to claim 1, characterized in that: A cutter head limit block (17) and an extended limit block (20) are installed at the connection between the extended rod (5) and the cutter head one (8); a limit block hole three (18) is provided on the outer wall of the cutter head limit block (17); and a limit hole four (21) is provided on the outer wall of the extended limit block (20).

7. A cylindrical milling cutter with replaceable blades according to claim 6, characterized in that: The second extended limit block (20) is fixedly connected to the rear outer wall of the extended rod (5), and the blade limit block (17) is fixedly connected to the front outer wall of the blade one (8). The cross-sections of the blade limit block (17) and the second extended limit block (20) are semicircular structures.

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