Grooving blade facilitating chip removal
By designing V-shaped chip grooves and inclined surfaces on the grooving inserts, the problems of chip entanglement and breakage are solved, enabling smooth chip discharge, improving machining accuracy and safety, and reducing tool wear.
Patent Information
- Application Number
- CN202520500831.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Traditional grooving inserts are prone to tangling and breaking during chip removal, leading to increased wear, decreased machining accuracy, and safety hazards, and may also scratch the workpiece surface.
A grooving blade designed for easy chip removal employs a V-shaped chip removal groove and a beveled structure, including a first chip guiding surface, a first chip removal surface, a second chip guiding surface, and a second chip removal surface, to guide chips out smoothly and prevent chips from tangling and breaking.
It effectively avoids damage to the cutting tool and workpiece by chips, improves machining accuracy and safety, reduces wear, ensures smooth chip discharge, and avoids scratching the workpiece surface.
Smart Images
Figure CN223848174U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to machining cutting tool technical field, concretely relates to a kind of cutting blade of easy chip removal. BACKGROUND
[0002] Cutting blade is mainly to cut out the required groove on workpiece, to meet the design requirements of various mechanical parts. Due to the characteristics of cutting groove processing, cutting blade will be into workpiece, leading to the problem of difficult chip discharge. The chip removal surface design of traditional cutting blade is often relatively simple, in the processing process, chip is easy to wind on blade or workpiece, form continuous long strip chip, this chip winding not only can increase the wear of tool, reduce tool life, also can lead to the instability of cutting force, affect machining precision. And in the case of low cutting speed or large cutting depth, chip can rub and scratch workpiece surface when discharging, the irregular shape and unstable discharge direction of chip can also leave scratch or pit on workpiece surface, reduce the surface quality of workpiece.
[0003] In addition to the damage to blade and workpiece caused by chip, chip will also break when being hindered during discharge, and the broken chip will splash everywhere, which can endanger the safety of operators. The utility model provides a cutting blade for easy chip removal, which can guide the discharge of chip and avoid the influence of chip on cutting effect. SUMMARY
[0004] The utility model aims at providing a kind of cutting blade for easy chip removal, which can guide the discharge of chip and avoid the influence of chip on cutting effect.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] A kind of cutting blade for easy chip removal, including blade, the blade is equipped with mounting hole, the blade both ends are symmetrically equipped with cutting groove part and V-shaped chip removal groove, the cutting groove part is arranged in the two sides of mounting hole, the cutting groove part includes arc-shaped rake and the side cutting edge of both sides, the arc tip of V-shaped chip removal groove is adjacent to rake, the opening end of V-shaped chip removal groove is adjacent to mounting hole, the V-shaped chip removal groove includes outer V-shaped side wall, inner V-shaped side wall and arc-shaped connecting wall, the outer V-shaped side wall is located on the outside of inner V-shaped side wall, the opening end of outer V-shaped side wall and inner V-shaped side wall is smoothly connected by arc-shaped connecting wall, first chip guide surface is equipped on the outer V-shaped side wall, the groove bottom of V-shaped chip removal groove is defined as first chip removal surface, second chip removal surface is equipped on the arc-shaped connecting wall, second chip guide surface is equipped on the inner V-shaped side wall.
[0007] As a preferred technical scheme, the first chip guide surface is smoothly connected with the side cutting edge.
[0008] As a preferred technical scheme, the blade side wall is a slope, and the slope is inclined to the center of the mounting hole.
[0009] As a preferred technical scheme, the first chip guide surface is an inclined surface, and the first chip guide surface is lower on the side close to the cutting groove part than on the side away from the cutting groove part.
[0010] As a preferred technical scheme, the second chip discharge surface is an arc-shaped structure, and the top of the second chip discharge surface is inclined to the outside of the V-shaped chip discharge groove.
[0011] As a preferred technical scheme, the first chip guide surface, the second chip discharge surface, the second chip guide surface and the first chip discharge surface are all provided with arc-shaped connecting surfaces.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1、V-shaped chip discharge groove is provided with first chip guide surface, first chip discharge surface, second chip guide surface and second chip discharge surface, first chip guide surface and second chip guide surface can guide the chip to move backward, avoid the damage of chip discharge in advance to blade and workpiece, can also guide the chip to discharge from the both sides of mounting hole along the opening end of V-shaped chip discharge groove, avoid the chip to break after being hindered by bolt in mounting hole and splash everywhere, avoid the safety of worker, the first chip discharge surface is inclined, the movement trend of chip can follow the inclined direction, and the end away from the cutting groove part is reached, the second chip discharge surface is arc-shaped structure, the arc-shaped structure has certain guiding effect, the chip is curved along the curvature direction of arc-shaped structure in the process of discharging, is concentrated to a certain extent, and the dispersion and winding of chip between tool and workpiece are reduced.
[0014] 2、Blade side wall is a slope, and the slope is inclined to the inside of the blade, so that when cutting groove work is carried out, the contact area of blade and workpiece is reduced, the wear of blade is reduced, and the dispersion of cutting heat is also helpful. BRIEF DESCRIPTION OF DRAWINGS
[0015] The specific embodiment of the utility model will be further explained in detail in combination with the drawings:
[0016] Fig. 1 It is a structural schematic view of the utility model;
[0017] Fig. 2 It is a front view of the utility model;
[0018] Fig. 3 It is a side view of the utility model;
[0019] Among them, the reference signs are as follows:
[0020] 1-blade, 2-gash portion, 21-rake face, 22-flank face, 3-V-shaped chip flute, 31-first chip guide surface, 32-first chip surface, 33-second chip surface, 34-second chip guide surface, 4-mounting hole. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application. It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0023] In the description of the present application, it should be noted that, if the orientation or position relationship indicated by the terms "center", "upper", "lower", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship when the product of the application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, if the terms "arrangement", "mounting", "connection" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0024] EMBODIMENT
[0025] As Figs. 1-3As shown, a kind of cutting groove blade facilitating chip removal, including blade 1, blade 1 is equipped with mounting hole 5, blade 1 both ends are symmetrically equipped with cutting groove part 2 and V-shaped chip removal groove 3, cutting groove part 2 is arranged on the both sides of mounting hole 5, cutting groove part 2 includes arc-shaped rake face 21 and both sides' side cutting edge 22.V-shaped chip removal groove 3's arc tip is adjacent to rake face 21, V-shaped chip removal groove 3's open end is adjacent to mounting hole 4.V-shaped chip removal groove 3 includes outer V-shaped side wall, inner V-shaped side wall, arc-shaped connecting wall, outer V-shaped side wall is located on the outside of inner V-shaped side wall, and the open end of outer V-shaped side wall and inner V-shaped side wall is smoothly connected by arc-shaped connecting wall.
[0026] First chip guide surface 31 is arranged on outer V-shaped side wall, the groove bottom of V-shaped chip removal groove 3 is defined as first chip removal surface 32, second chip removal surface 33 is arranged on arc-shaped connecting wall, and second chip guide surface 34 is arranged on inner V-shaped side wall.First chip guide surface 31 is smoothly connected with side cutting edge 22.
[0027] It is worth mentioning that blade 1 is fixed on the fixed seat of machine tool by bolt, the bolt is threadedly connected with the fixed seat after passing through mounting hole 4 of blade 1 to fix blade 1, cutting groove part 2 is arranged to perform cutting groove operation on workpiece, V-shaped chip removal groove 3 is arranged to guide the cutting chip generated by cutting groove out, V-shaped chip removal groove 3 can guide the cutting chip to the open end of V-shaped, so that the cutting chip is discharged from the both sides of mounting hole 4, avoids the interference between cutting chip and bolt in mounting hole 4, causes the cutting chip to be unable to be discharged smoothly, and simultaneously avoids the cutting chip from being broken due to the obstruction of bolt in mounting hole 4, and after breaking, splashes everywhere, causes the safety hazard to operator and equipment.
[0028] Specifically, when cutting groove, cutting chip leaves cutting groove part 2 along side cutting edge 22 of cutting groove part 2, cutting chip continues to move along first chip removal surface 32, and simultaneously, both sides' first chip guide surface 31 and second chip guide surface 34 play the limiting role, so that cutting chip moves along first chip guide surface 31 and second chip guide surface 34 in the direction away from cutting groove part 2, avoids the damage to blade 1 and workpiece caused by the cutting chip discharging in advance, and after cutting chip moves to second chip removal surface 33, the cutting chip is discharged from the both sides of mounting hole 4 along second chip removal surface 33, can be farthest away from rake face 21, side cutting edge 22 and workpiece, and avoids causing damage.
[0029] In some feasible embodiments, the side wall of blade 1 is all inclined surface, the inclined surface is inclined to the center of mounting hole 4, so that when cutting groove is performed, the contact area between blade 1 and workpiece is reduced, the wear of blade 1 is reduced, and simultaneously, it is helpful for the dispersion of cutting heat.
[0030] In some feasible embodiments, first chip removal surface 32 is inclined surface, first chip removal surface 32 is lower on the side close to cutting groove part 2 than on the side away from cutting groove part 2, so that the movement trend of cutting chip follows the inclined direction, and moves to the end away from cutting groove part 2, improves the chip removal efficiency of V-shaped chip removal groove 3, and avoids the residual cutting chip in V-shaped chip removal groove 3.
[0031] In some possible embodiments, the top of the second chip removal surface 33 is inclined outwardly from the V-shaped chip removal groove 3, so that the chip can be discharged along the second chip removal surface 33, and the second chip removal surface 33 is arranged on the arc-shaped connecting wall, and the arc-shaped structure has a certain guiding effect, so that the chip is bent along the curvature direction of the arc-shaped structure during the discharging process, is concentrated to a certain extent, and the dispersion and winding of the chip between the tool and the workpiece are reduced.
[0032] In some possible embodiments, the first chip removal surface 31, the second chip removal surface 33, the second chip removal surface 34 and the first chip removal surface 32 are all provided with arc-shaped connecting surfaces at the connecting positions, so that the connecting positions of the first chip removal surface 31, the second chip removal surface 33, the second chip removal surface 34 and the first chip removal surface 32 are smooth, and the chip is prevented from being blocked during discharging.
[0033] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand. Having described the embodiments of the present disclosure in detail, some details that are well known in the art have not been described in order to avoid obscuring the concept of the present disclosure. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description. The scope of the present disclosure is defined by the appended claims.
Claims
1. A slotting insert for facilitating chip evacuation, comprising an insert (1) provided with a mounting hole (4), characterized in that The blade (1) is symmetrically provided with a cutting groove part (2) and a V-shaped chip groove (3) at both ends, the cutting groove part (2) is arranged on both sides of the mounting hole (4), the cutting groove part (2) comprises a circular-arc-shaped rake (21) and two side cutting edges (22) on both sides, the circular-arc-shaped tip of the V-shaped chip groove (3) is adjacent to the rake (21), the opening end of the V-shaped chip groove (3) is adjacent to the mounting hole (4), the V-shaped chip groove (3) comprises an outer V-shaped side wall, an inner V-shaped side wall and an arc-shaped connecting wall, the outer V-shaped side wall is located outside the inner V-shaped side wall, the opening end of the outer V-shaped side wall and the inner V-shaped side wall is smoothly connected through the arc-shaped connecting wall, the outer V-shaped side wall is provided with a first chip guide surface (31), the groove bottom of the V-shaped chip groove (3) is defined as a first chip surface (32), the arc-shaped connecting wall is provided with a second chip surface (33), and the inner V-shaped side wall is provided with a second chip guide surface (34).
2. The gash cutter for facilitating chip evacuation according to claim 1, wherein The first chip guide surface (31) is smoothly connected with the side cutting edge (22).
3. The gash cutter for facilitating chip evacuation according to claim 1, wherein The side wall of the blade (1) is a slope, and the slope is inclined to the center of the mounting hole (4).
4. The gash cutter of claim 1, wherein, The first chip guide surface (31) is a slope, and the first chip guide surface (31) is lower on the side close to the cutting groove part (2) than on the side away from the cutting groove part (2).
5. The gash cutter of claim 1, wherein, The top of the second chip surface (33) is inclined to the outside of the V-shaped chip groove (3).
6. The gash cutter of claim 1, wherein, The first chip guide surface (31), the second chip surface (33), the second chip guide surface (34) and the first chip surface (32) are all provided with arc-shaped connecting surfaces at the connecting positions.