Reaming milling cutter with three cutting tool faces

Abstract

The utility model belongs to the technical field of chambering milling cutters, particularly relates to a chambering milling cutter with three cutting cutter faces, and solves the problems that a cutter handle and a cutter body in the prior art are fixedly and integrally connected, the cutter body is abraded after long-time use, and the cutter handle and the cutter body need to be replaced together when the cutter body is replaced, so that the cost is low. According to the scheme, the milling cutter comprises a milling cutter clamping handle, a first blade mounting base is fixedly connected to the upper portion of the milling cutter clamping handle, a second blade mounting base is fixedly connected to the upper portion of the first blade mounting base, and a third blade mounting base is fixedly connected to the upper portion of the second blade mounting base; a fourth blade mounting base is fixedly connected to the upper portion of the third blade mounting base, and a first blade mounting groove is formed in the periphery of the first blade mounting base. According to the utility model, the economic loss of a user is reduced, the use of the user is facilitated, and the damaged first blade, second blade, third blade and fourth blade can be conveniently replaced by the user.

Description

Technical Field

[0001] The utility model relates to a hole enlarging milling cutter, in particular to a hole enlarging milling cutter with three cutting blade faces, belonging to the technical field of hole enlarging milling cutters. Background Art

[0002] Hole expansion milling cutter is a forging process that uses a hole expansion drill to increase the hole diameter based on drilling in order to increase its load-bearing area, or to reduce the wall thickness of the hollow blank and increase its inner and outer diameters.

[0003] A new type of end mill with announcement number CN218694260U includes a shank and a cutter body, and the shank and the cutter body are fixedly connected to form an integrated structure. The workpiece can be milled and expanded without changing the end mill, and the operation is simple, and the work efficiency can be improved and the use is convenient.

[0004] In the above technical solution, the workpiece can be milled and expanded by the tool holder and the tool body, and there is no need to replace the end mill, which is simple to operate. However, the tool holder and the tool body are fixedly connected. After long-term use, the tool body will be worn. When the tool body is replaced, the tool holder and the tool body must be replaced together, which increases the economic burden on the user. For this reason, we provide a hole expansion milling cutter with three cutting faces. Utility Model Content

[0005] The utility model provides a hole enlarging milling cutter with three cutting blade faces to solve the problem that the tool handle and the tool body are fixedly connected in an integrated manner, the tool body will be worn after long-term use, and when the tool body is replaced, the tool handle and the tool body need to be replaced together, thereby increasing the economic burden of the user.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: a hole-reaming milling cutter with three cutting blade faces, comprising a milling cutter clamping handle, a blade mounting seat 1 is fixedly connected above the milling cutter clamping handle, a blade mounting seat 2 is fixedly connected above the blade mounting seat 1, a blade mounting seat 3 is fixedly connected above the blade mounting seat 2, a blade mounting seat 4 is fixedly connected above the blade mounting seat 3, and a blade mounting groove 1 is opened on the outer periphery of the blade mounting seat 1;

[0007] A first blade is movably mounted on the outer wall of blade mounting groove one, a blade mounting groove three is opened on the outer periphery of blade mounting seat three, a third blade is movably mounted on the outer wall of blade mounting groove three, a blade mounting groove two is opened on the outer periphery of blade mounting seat one, a second blade is movably mounted on the outer wall of blade mounting groove two.

[0008] As a further solution of the utility model: the outer peripheries of the blade mounting seat 1, the blade mounting seat 2, the blade mounting seat 3 and the blade mounting seat 4 are all provided with a first chip retreat groove, a second chip retreat groove and a third chip retreat groove.

[0009] As a further solution of the utility model: blade limiting holes are provided inside the first blade, the second blade, the third blade and the fourth blade.

[0010] As a further solution of the utility model: a blade mounting groove four is provided on the outer periphery of the blade mounting seat four.

[0011] As a further solution of the utility model: a fourth blade is movably mounted on the outer wall of the blade mounting groove four.

[0012] As a further solution of the utility model: a fixing screw is installed in the inner thread of the blade limiting hole.

[0013] As a further solution of the utility model: blade fixing holes are provided on the outer wall surfaces of the blade mounting groove 1, the blade mounting groove 3, the blade mounting groove 2 and the blade mounting groove 4.

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

[0015] 1. The utility model cooperates with each other through the blade limiting holes provided by the first blade, the second blade, the third blade and the fourth blade and the blade fixing holes provided by the outer walls of the blade mounting seat 1, the blade mounting seat 2, the blade mounting seat 3 and the blade mounting seat 4, so that the user can conveniently loosen and tighten the fixing screws, and the user can conveniently replace the damaged first blade, the second blade, the third blade and the fourth blade, thereby avoiding replacing the blade mounting seat 1, the blade mounting seat 2, the blade mounting seat 3 and the blade mounting seat 4 together, saving the tool cost, reducing the economic loss of the user, ensuring the quality of the processed product, and being convenient for the user to use;

[0016] 2. The utility model clamps the milling cutter clamping handle by a machine, so that the milling cutter clamping handle can drive the second blade, the third blade, and the fourth blade installed on the outer wall of the rear blade mounting seat 1, blade mounting seat 2, blade mounting seat 3, and blade mounting seat 4 to expand the hole of the workpiece, and the removed chips are discharged through the first chip retreat groove, the second chip retreat groove, and the third chip retreat groove formed by the blade mounting groove 1, blade mounting groove 3, blade mounting groove 2, and blade mounting groove 4, so that the user can use it conveniently, thereby avoiding the blockage of the blade mounting seat 1, blade mounting seat 2, blade mounting seat 3, and blade mounting seat 4, and the user can use it conveniently. 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 blade fixing hole structure of the utility model;

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

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

[0021] In the figure: 1, milling cutter clamping handle; 2, blade mounting seat 1; 3, blade mounting seat 2; 4, blade mounting seat 3; 5, blade mounting seat 4; 6, first blade; 7, second blade; 8, third blade; 9, fourth blade; 10, blade mounting slot 1; 11, blade mounting slot 3; 12, blade mounting slot 2; 13, blade mounting slot 4; 14, blade fixing hole; 15, first chip groove; 16, second chip groove; 17, third chip groove; 18, blade limiting hole; 19, fixing screw. 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 hole-reaming milling cutter with three cutting faces comprises a milling cutter clamping handle 1, a blade mounting seat 1 2 is fixedly connected to the top of the milling cutter clamping handle 1, a blade mounting seat 2 3 is fixedly connected to the top of the blade mounting seat 1 2, a blade mounting seat 3 4 is fixedly connected to the top of the blade mounting seat 2 3, a blade mounting seat 4 5 is fixedly connected to the top of the blade mounting seat 3 4, a blade mounting groove 10 is provided on the periphery of the blade mounting seat 1 2, a first blade 6 is movably installed on the outer wall of the blade mounting groove 10, a blade mounting groove 3 11 is provided on the periphery of the blade mounting seat 3 4, a third blade 8 is movably installed on the outer wall of the blade mounting groove 3 11, a blade mounting groove 2 is provided on the periphery of the blade mounting seat 1 12, the outer wall of the blade mounting groove 2 12 is movably mounted with the second blade 7, and the blade limiting holes 18 opened by the first blade 6, the second blade 7, the third blade 8, and the fourth blade 9 cooperate with the blade fixing holes 14 opened on the outer walls of the blade mounting seat 1 2, the blade mounting seat 2 3, the blade mounting seat 3 4, and the blade mounting seat 4 5, so that the user can conveniently loosen or tighten the fixing screws 19, and the user can conveniently replace the damaged first blade 6, the second blade 7, the third blade 8, and the fourth blade 9, thereby avoiding replacing the blade mounting seat 1 2, the blade mounting seat 2 3, the blade mounting seat 3 4, and the blade mounting seat 4 5 together, reducing the economic loss of the user and being convenient for the user to use. Embodiment 2

[0024] In addition to all the technical features of the first embodiment, the present embodiment also includes: the outer peripheries of the blade mounting seat 1 2, the blade mounting seat 2 3, the blade mounting seat 3 4, and the blade mounting seat 4 5 are all provided with a first chip withdrawal groove 15, a second chip withdrawal groove 16, and a third chip withdrawal groove 17; the outer periphery of the blade mounting seat 4 5 is provided with a blade mounting groove 4 13, and a fourth blade 9 is movably installed on the outer wall of the blade mounting groove 4 13; the first blade 6, the second blade 7, the third blade 8, and the fourth blade 9 are all provided with a blade limiting hole 18, and a fixing screw 19 is installed in the blade limiting hole 18 through a thread; the blade mounting groove 10, the blade mounting groove 3 11, and the blade mounting groove 4 13 are provided with a plurality of blade limiting holes 18, wherein the fixing screw 19 is installed in the blade limiting hole 18; The outer wall surfaces of blade mounting groove 1, blade mounting groove 2 12 and blade mounting groove 4 13 are all provided with blade fixing holes 14, which can enable the milling cutter clamping handle 1 to drive the first blade 6, second blade 7, third blade 8 and fourth blade 9 installed on the outer wall of the rear blade mounting seat 1 2, blade mounting seat 2 3, blade mounting seat 3 4 and blade mounting seat 4 5 to perform hole expansion cutting on the workpiece, and the removed chips are discharged through the first chip retreat groove 15, second chip retreat groove 16 and third chip retreat groove 17 formed by the cooperation between blade mounting groove 1 10, blade mounting groove 3 11, blade mounting groove 2 12 and blade mounting groove 4 13, so that it is convenient for users to use.

[0025] Working principle: first clamp the milling cutter clamping handle 1 on the machine, and then the milling cutter clamping handle 1 can drive the first blade 6, second blade 7, third blade 8, and fourth blade 9 installed on the outer wall of the rear blade mounting seat 1 2, blade mounting seat 2 3, blade mounting seat 3 4, and blade mounting seat 4 5 to expand the hole of the workpiece, and the removed chips are discharged through the first chip retreat groove 15, the second chip retreat groove 16, and the third chip retreat groove 17 formed by the cooperation between the blade mounting groove 1 10, the blade mounting groove 3 11, the blade mounting groove 2 12, and the blade mounting groove 4 13, so that the user can use it conveniently, thereby avoiding the blockage of the blade mounting seat 1 2, the blade mounting seat 2 3, the blade mounting seat 3 4, and the blade mounting seat 4 5, and the user can use it conveniently.

[0026] The blade limiting holes 18 opened by the first blade 6, the second blade 7, the third blade 8, and the fourth blade 9 cooperate with the blade fixing holes 14 opened on the outer walls of the blade mounting seat 1 2, the blade mounting seat 2 3, the blade mounting seat 3 4, and the blade mounting seat 4 5, so that the user can conveniently loosen or tighten the fixing screws 19, and the user can conveniently replace the damaged first blade 6, the second blade 7, the third blade 8, and the fourth blade 9, thereby avoiding replacing the blade mounting seat 1 2, the blade mounting seat 2 3, the blade mounting seat 3 4, and the blade mounting seat 4 5 together, which can reduce the economic loss of the user and facilitate the use of the user. When the first blade 6, the second blade 7, the third blade 8, and the fourth blade 9 are expanded, the cut debris can be discharged from the first chip retreat groove 15, the second chip retreat groove 16, and the third chip retreat groove 17, thereby improving the processing efficiency and facilitating 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. A reamer milling cutter having three cutting faces, comprising a milling cutter holder (1), characterized in that: The milling cutter clamping handle (1) is fixedly connected to a blade mounting seat 1 (2) above, a blade mounting seat 2 (3) is fixedly connected to a blade mounting seat 3 (4) above, a blade mounting seat 4 (5) is fixedly connected to a blade mounting seat 3 (4) above, and a blade mounting groove 1 (10) is provided on the outer periphery of the blade mounting seat 1 (2); A first blade (6) is movably mounted on the outer wall of the blade mounting groove one (10); a blade mounting groove three (11) is formed on the outer periphery of the blade mounting seat three (4); a third blade (8) is movably mounted on the outer wall of the blade mounting groove three (11); a blade mounting groove two (12) is formed on the outer periphery of the blade mounting seat one (2); a second blade (7) is movably mounted on the outer wall of the blade mounting groove two (12).

2. A hole reamer with three cutting faces according to claim 1, characterized in that: The outer circumferences of the blade mounting seat 1 (2), the blade mounting seat 2 (3), the blade mounting seat 3 (4), and the blade mounting seat 4 (5) are all provided with a first chip withdrawal groove (15), a second chip withdrawal groove (16), and a third chip withdrawal groove (17).

3. A hole-reaming milling cutter with three cutting faces according to claim 1, characterized in that: Blade limiting holes (18) are provided inside the first blade (6), the second blade (7), the third blade (8) and the fourth blade (9).

4. A hole-reaming milling cutter with three cutting faces according to claim 2, characterized in that: A blade mounting groove four (13) is provided on the outer periphery of the blade mounting seat four (5).

5. A hole-reaming milling cutter with three cutting faces according to claim 4, characterized in that: A fourth blade (9) is movably mounted on the outer wall of the blade mounting groove four (13).

6. A hole-reaming milling cutter with three cutting faces according to claim 3, characterized in that: The blade limiting hole (18) is internally threaded with a fixing screw (19).

7. A hole-reaming milling cutter with three cutting faces according to claim 1, characterized in that: Blade fixing holes (14) are provided on the outer wall surfaces of the blade mounting groove one (10), the blade mounting groove three (11), the blade mounting groove two (12) and the blade mounting groove four (13).

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