Passivating cutter with prolonged service life

Abstract

The passivating cutter comprises a connecting handle rod, a cutter head and side blocks, the side blocks are installed on the two sides in a containing groove located at the bottom end of the connecting handle rod, a plurality of energy dissipation holes are distributed in each side block, a screw penetrates through each corner of each side block, a nut is arranged at the outer end of each screw, and the side blocks are connected with the connecting handle rod. A tool bit is fixedly installed between the two side blocks, and a cutting edge is arranged on the edge of the tool bit. The cutter is reasonable in structural design, the cutting edges at different angle positions are distributed on the periphery of the cutter head, the selection and use diversity of cutting edge faces of the cutter is increased, meanwhile, the cutter head is fixedly arranged between the two side blocks with the energy dissipation holes, the structural function of coping with cutting stress changes is achieved, the damage degree of stress to the cutter is reduced, and the service life of the cutter is prolonged. The overall service life of the cutter is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of passivated tools, and specifically relates to a passivated tool with an improved service life. Background Technique

[0002] High-speed and high-efficiency cutting is an inevitable development direction of machining technology. The passivation process of tools changes the profile, micro shape of the cutting edge and the microstructure of the edge area. For existing passivated tools, their performance in dealing with changes in cutting stress is not strong, and the distribution of the cutting edge surface position is single, which is not conducive to extending the service life of the tool. Therefore, in view of the above problems, a passivated tool with an improved service life is proposed. Content of the Utility Model

[0003] The purpose of the utility model is to provide a passivated tool with an improved service life in order to solve the above problems.

[0004] The utility model realizes the above purpose through the following technical solutions. A passivated tool with an improved service life includes a connecting handle rod, a tool tip and side blocks. On both sides of the placement groove at the bottom end of the connecting handle rod, side blocks are installed, and a plurality of energy dissipation holes are distributed on each side block. At each corner of each side block, a screw rod is respectively penetrated, and a nut is arranged at the outer end of the screw rod. A tool tip is fixedly installed between the two side blocks, and a cutting edge is arranged at the edge of the tool tip.

[0005] Preferably, a connecting slot is opened on the end face of the top end of the connecting handle rod, and connecting holes are distributed on both sides of the connecting slot.

[0006] Preferably, the upper and lower ends of the connecting handle rod are communicated through symmetrically distributed coolant channels.

[0007] Preferably, the screw rods are in a group of four, and two groups of screw rods are respectively welded and fixed on the side walls on both sides of the tool tip.

[0008] Preferably, the tool tip is in a rhombus shape, and the cutting edges distributed at the edge of the tool tip are divided into various angular cutting edge surfaces.

[0009] Compared with the prior art, the advantages of the utility model are as follows: By distributing cutting edges at different angular positions around the tool tip, the diversity of the selection and use of the cutting edge surfaces of the tool is increased. At the same time, the tool tip is fixedly placed between two side blocks with energy dissipation holes, which has the structural function of dealing with changes in cutting stress, reduces the damage degree of stress to the tool, and extends the overall service life of the tool. Description of the Drawings

[0010] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0011] Figure 1 It is a three-dimensional view of the overall structure of the present invention;

[0012] Figure 2 It is a side view of the overall structure of the present invention;

[0013] Figure 3 It is a front view of the overall structure of the present invention.

[0014] In the figure: 1. Connecting handle rod; 101. Connecting slot; 102. Connecting hole; 103. Coolant hole channel; 104. Placing groove; 2. Tool bit; 201. Blade; 3. Side block; 301. Energy dissipation hole; 4. Screw; 5. Nut. Detailed implementation manners

[0015] To make the objectives, features, and advantages of the present invention more obvious and understandable, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0016] The following will further illustrate the technical solutions of the present invention with reference to the drawings and through specific implementation manners.

[0017] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0018] Please refer to Figures 1-3As shown in the figure, a passivation tool with an extended service life includes a connecting handle rod 1, a tool bit 2, and side blocks 3. Side blocks 3 are installed on both sides inside the placement groove 104 at the bottom end of the connecting handle rod 1, and a plurality of energy dissipation holes 301 are distributed on each side block 3. A screw rod 4 passes through each corner of the side block 3, and a nut 5 is arranged at the outer end of the screw rod 4. A tool bit 2 is fixedly installed between the two side blocks 3, and a cutting edge 201 is provided at the edge of the tool bit 2.

[0019] A connecting slot 101 is provided on the end face of the top end of the connecting handle rod 1, and connecting holes 102 are distributed on both sides inside the connecting slot 101; the upper and lower ends of the connecting handle rod 1 are communicated through symmetrically distributed coolant channels 103; the screw rods 4 are grouped in sets of four, and two sets of screw rods 4 are respectively welded and fixed on the side walls on both sides of the tool bit 2; the tool bit 2 is in a rhombus shape, and the cutting edges 201 distributed on the edge of the tool bit 2 are divided into various angle cutting surfaces.

[0020] When the present utility model is in use, the cutting edges 201 at different angular positions are distributed around the tool bit 2, increasing the diversity of the selection and use of the cutting edges of the tool. At the same time, the tool bit 2 is fixedly placed between two side blocks 3 with energy dissipation holes 301, having a structural function to cope with the change of cutting stress, reducing the damage degree of stress to the tool, and extending the overall service life of the tool.

[0021] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the same elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0022] The above is the case. The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A passivation tool for improving service life, characterized in that: It includes a connecting handle rod (1), a cutter head (2) and side blocks (3). Side blocks (3) are installed on both sides inside the placement groove (104) at the bottom end of the connecting handle rod (1), and a plurality of energy dissipation holes (301) are distributed and provided on each side block (3). A screw rod (4) is respectively inserted through each corner of the side block (3), and a nut (5) is arranged at the outer end of the screw rod (4). A cutter head (2) is fixedly installed between the two side blocks (3), and a cutting edge (201) is provided at the edge of the cutter head (2).

2. The passivation tool for improving the service life according to claim 1, characterized in that: A connecting slot (101) is provided on the top end face of the connecting handle rod (1), and connecting holes (102) are distributed and provided on both sides inside the connecting slot (101).

3. A passivation tool for increasing service life according to claim 1, characterized in that: The upper and lower ends of the connecting handle rod (1) are communicated through symmetrically distributed coolant channels (103).

4. A passivation tool for improving service life according to claim 1, characterized in that: The screw rods (4) are grouped in fours, and two groups of screw rods (4) are respectively welded and fixed on the side walls on both sides of the cutter head (2).

5. A passivation tool for improving service life according to claim 1, characterized in that: The cutter head (2) is in a rhombus shape, and the cutting edges (201) distributed at the edge of the cutter head (2) are divided into various angular cutting surfaces.

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