Multipurpose cutter
By designing multi-purpose cutting tools, the problems of high cost and low efficiency caused by the specialization of traditional cutting tools have been solved, achieving efficient cutting for multi-part machining and long tool life.
Patent Information
- Application Number
- CN202423226350.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Traditional cutting tools have a single function and are used for specific purposes, which increases processing costs and time, and occupies a lot of machine tool storage clamping space.
Design a multi-purpose cutting tool, comprising a shank and a cutting body. The cutting body has a first cutting section and a second cutting section at the front and rear, and is equipped with multiple front and rear cutting edges and peripheral cutting edges. Through the design of R angle and helical cutting edge, it can achieve machining of multiple parts and reduce tool changing steps.
Improve processing efficiency, save tooling costs, ensure smooth chip removal, improve surface quality and tool life.
Smart Images
Figure CN223801624U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tool technical field especially is a multipurpose tool. BACKGROUND
[0002] Tool is the tool for cutting processing in mechanical manufacturing, also called cutting tool.
[0003] Traditional mechanical processing tool has the following defects: 1, single function, special tool is used, and different tools are needed for multiple parts of workpiece, which greatly increases the processing cost; 2, when processing, because special tool is used, the tool needs to be changed when processing multiple parts of workpiece, which greatly increases the processing time and affects the processing efficiency; 3, because there are more tools, the tool storage clamping position of machine tool is also more. INVENTION CONTENTS
[0004] The utility model discloses to overcome the above-mentioned situation shortage, aims at providing a kind of technical scheme that can solve above-mentioned problem.
[0005] A kind of multipurpose tool, including handle and tool body, tool body is arranged at the front end of handle, tool body includes first cutting part and second cutting part arranged in front and back, the diameter of first cutting part is less than the diameter of second cutting part, first cutting part includes multiple front end edges and multiple front peripheral edges corresponding with multiple front end edges, second cutting part includes multiple rear end edges and multiple rear peripheral edges corresponding with multiple rear end edges, multiple front peripheral edges and multiple rear end edges are connected correspondingly, and R angle is arranged at the junction of each front peripheral edge and rear end edge.
[0006] As a further scheme of the utility model: the edge of rear end edge is inclined from the junction with R angle and extends outward.
[0007] As a further scheme of the utility model: the included angle between the edge of rear end edge and the central axis of tool body is 83 ° ~ 85 °.
[0008] As a further scheme of the utility model: the number of front end edge and front peripheral edge is three, and front chip removal groove is arranged between two adjacent front peripheral edges.
[0009] As a further scheme of the utility model: the number of rear end edge and rear peripheral edge is three, and rear chip removal groove, which is communicated with front chip removal groove, is arranged between two adjacent rear peripheral edges.
[0010] As a further scheme of the utility model: front peripheral edge and rear peripheral edge are both spiral, and extend rightward around the central axis of tool body respectively, and the spiral angle of front peripheral edge and rear peripheral edge is 29 ° ~ 31 °.
[0011] As a further scheme of the utility model: the rake angle of rear peripheral edge is 1 °, the first relief angle of rear peripheral edge is 12 °, and the second relief angle of rear peripheral edge is 21 °.
[0012] As a further aspect of the present application, the first clearance angle of the rear peripheral edge has a land width of 0.45mm, and the second clearance angle of the rear peripheral edge has a land width of 1.4mm.
[0013] Compared with the prior art, the utility model has the advantages that: the front end edge, the front peripheral edge, the rear end edge, the rear peripheral edge and the R angle are arranged, so that the workpiece can be machined at multiple positions, the tool changing step is saved, the machining efficiency of the product is greatly improved, and the tool cost is saved.
[0014] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0016] Fig. 1 is a structural schematic diagram of the present application.
[0017] Fig. 2 is a structural schematic diagram of the rear peripheral edge part of the present application.
[0018] Fig. 3 is a structural schematic diagram of the rear end edge part of the present application.
[0019] Fig. 4 is a structural schematic diagram of the tool body cross section of the present application.
[0020] Fig. 5 is Fig. 4 the enlarged view of A in the figure.
[0021] In the figure: 1, tool handle, 2, tool body, 3, first cutting part, 4, second cutting part, 5, front end edge, 6, front peripheral edge, 7, rear end edge, 8, rear peripheral edge, 9, R angle, 10, front chip removal groove, 11, rear chip removal groove. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0023] Please refer to Figs. 1-5 In the embodiments of the utility model, a multipurpose cutter comprises a handle 1 and a cutter body 2, the cutter body 2 is arranged at the front end of the handle 1, the cutter body 2 comprises a first cutting part 3 and a second cutting part 4 arranged in front and back, the diameter of the first cutting part 3 is smaller than that of the second cutting part 4, the first cutting part 3 comprises a plurality of front end edges 5 and a plurality of front peripheral edges 6 connected with the plurality of front end edges 5, the second cutting part 4 comprises a plurality of rear end edges 7 and a plurality of rear peripheral edges 8 connected with the plurality of rear end edges 7, the plurality of front peripheral edges 6 are connected with the plurality of rear end edges 7, and an R angle 9 is arranged at the connection of each front peripheral edge 6 and rear end edge 7, the first cutting part 3 with a smaller diameter can be arranged to process the groove of a workpiece, and the R angle 9 can be arranged to perform the rounding treatment on the workpiece, thereby increasing the practicability, the design of the R angle 9 also makes the front peripheral edge 6 and the rear end edge 7 smoothly transition, so as to avoid the existence of dead angle or sharp angle between the front peripheral edge 6 and the rear end edge 7, and the accumulation of chips, thereby making the chips more smoothly discharged.
[0024] The edge of the rear end edge 7 extends outwardly from the connection with the R angle 9. The angle d between the edge of the rear end edge 7 and the central axis of the cutter body 2 is 83°-85°, so that the rear end edge 7 can perform the chamfering on the workpiece.
[0025] The number of the front end edges 5 and the front peripheral edges 6 is three, and a front chip removal groove 10 is arranged between two adjacent front peripheral edges 6. The number of the rear end edges 7 and the rear peripheral edges 8 is three, and a rear chip removal groove 11 is arranged between two adjacent rear peripheral edges 8 and communicates with the front chip removal groove 10, so that the chips generated during the processing of the workpiece can be discharged through the front chip removal groove 10 and the rear chip removal groove 11, thereby avoiding the winding of the chips around the cutter or the blockage of the processing area, and improving the processing efficiency and the surface quality.
[0026] The front peripheral edges 6 and the rear peripheral edges 8 are in a spiral shape and respectively extend rightward around the central axis of the cutter body 2, and the spiral angle of the front peripheral edges 6 and the rear peripheral edges 8 is 29°-31°, preferably, the spiral angle of the front peripheral edges 6 and the rear peripheral edges 8 is 30°.
[0027] The front angle a of the rear peripheral edge 8 is 1°, the first rear angle b of the rear peripheral edge 8 is 12°, and the second rear angle c of the rear peripheral edge 8 is 21°.
[0028] The first clearance of the rear peripheral edge 8 has a land width of 0.45 mm, and the second clearance of the rear peripheral edge 8 has a land width of 1.4 mm.
[0029] The total length of the tool is 50 mm, wherein the length of the tool body 2 is 4 mm, the diameter of the tool shank 1 is 8 mm, and the diameter of the second cutting portion 4 is 7.9 mm.
[0030] Through reasonable size setting, the tool is more smooth in the cutting process, the size precision and the cutting efficiency are improved, the chip and the tool are prevented from adhering, the workpiece surface is smoother, meanwhile, the tool edge is effectively prevented from breaking, and the service life is prolonged.
[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims.
Claims
1. A utility knife characterized in that, The utility model relates to a cutting tool, comprising: a shank; a tool body arranged at the front end of the shank, the tool body comprising a first cutting part and a second cutting part arranged in front and back, the diameter of the first cutting part being smaller than that of the second cutting part, the first cutting part comprising a plurality of front end edges and a plurality of front peripheral edges corresponding to the plurality of front end edges, the second cutting part comprising a plurality of rear end edges and a plurality of rear peripheral edges corresponding to the plurality of rear end edges, the plurality of front peripheral edges corresponding to the plurality of rear end edges, and each of the front peripheral edges and the rear end edges being provided with an R angle at the connection position.
2. A utility knife according to claim 1, wherein: The edge of the rear end edge extends outwardly from the connection position with the R angle.
3. A utility knife according to claim 2, wherein: The included angle between the edge of the rear end edge and the central axis of the tool body is 83-85 degrees.
4. The utility knife of claim 1, wherein: The number of the front end edges and the front peripheral edges is three, and a front chip groove is arranged between two adjacent front peripheral edges.
5. A utility knife according to claim 4, wherein: The number of the rear end edges and the rear peripheral edges is three, and a rear chip groove is arranged between two adjacent rear peripheral edges and communicates with the front chip groove.
6. The utility knife of claim 1, wherein: The front peripheral edges and the rear peripheral edges are both in a spiral shape and extend rightwards around the central axis of the tool body, and the spiral angle of the front peripheral edges and the rear peripheral edges is 29-31 degrees.
7. The utility knife of claim 1, wherein: The front angle of the rear peripheral edge is 1 degree, the first rear angle of the rear peripheral edge is 12 degrees, and the second rear angle of the rear peripheral edge is 21 degrees.
8. The utility knife of claim 1, wherein: The width of the edge surface of the first rear angle of the rear peripheral edge is 0.45 mm, and the width of the edge surface of the second rear angle of the rear peripheral edge is 1.4 mm.