Round nose milling cutter

Abstract

The utility model provides a round nose milling cutter, which relates to the technical field of milling cutters and comprises a cutter handle, two first grooves are symmetrically arranged on the periphery of the cutter handle, five first through holes are arranged on the inner sides of the first grooves and penetrate through the inside of the cutter handle, and a cutter head is arranged at the top of the cutter handle. Two second grooves are symmetrically formed in the positions, close to the bottom, of the periphery of the tool bit, two second through holes penetrating through the interior of the tool bit are formed in the inner sides of the second grooves, a plurality of threaded grooves are formed in the positions, close to the top, of the periphery of the tool bit, and a cutting edge is arranged at the top of the tool bit. Chippings and water flow generated when the round nose milling cutter is used for machining a workpiece can be effectively discharged in time, so that the precision and the machining efficiency of the machined workpiece are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, in particular to a round nose milling cutter. Background Art

[0002] A milling cutter is a rotating tool with one or more teeth used for milling. When working, each tooth cuts off the excess of the workpiece intermittently in sequence. The milling cutter is mainly used to process planes, steps, grooves, forming surfaces and cut off workpieces on milling machines;

[0003] In the prior art, a round nose milling cutter is also a type of milling cutter, and a round nose milling cutter refers to a tool whose arc portion length is greater than a quarter of a circle. The unique arc angle shape of the round nose milling cutter enables it to perform edge processing and three-dimensional processing, which can effectively improve work efficiency. During the use of the round nose milling cutter, when it processes and cuts the workpiece, the round nose milling cutter will generate high temperature, so the round nose milling cutter will be cooled by water flow. At the same time, the round nose milling cutter will generate debris during processing. If these debris and water flow are not discharged in time on the workpiece surface, it will affect the processing accuracy and thus affect the processing efficiency. Therefore, we propose a round nose milling cutter. Summary of the invention

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. The round nose milling cutter is also a type of milling cutter, and the round nose milling cutter refers to a tool whose arc portion has a length greater than a quarter of a circle. The unique arc angle shape of the round nose milling cutter enables it to perform edge processing and three-dimensional processing, which can effectively improve work efficiency. During the use of the round nose milling cutter, when it processes and cuts the workpiece, the round nose milling cutter will generate high temperature, so the round nose milling cutter will be cooled by water flow. At the same time, the round nose milling cutter will generate debris during processing. If these debris and water flow are not discharged in time on the workpiece surface, it will affect the processing accuracy and thus affect the processing efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A round nose milling cutter comprises a shank, wherein the outer periphery of the shank is symmetrically provided with two first grooves, the inner side of the first grooves penetrates through the interior of the shank and is provided with five first through holes, a cutter head is arranged on the top of the shank, the outer periphery of the cutter head is symmetrically provided with two second grooves near the bottom, the inner side of the second grooves penetrates through the interior of the cutter head and is provided with two second through holes, a plurality of thread grooves are arranged on the outer periphery of the cutter head near the top, and a cutting edge is arranged on the top of the cutter head.

[0007] As a preferred solution of the present invention, the first groove and the second groove are arranged opposite to each other.

[0008] The technical effect of adopting the above further scheme is: by arranging the first groove and the second groove relative to each other, when the round nose milling cutter processes the workpiece, debris and water flow can flow along the first groove into the second groove, and then be discharged, so that the processing quality of the workpiece can be guaranteed.

[0009] As a preferred solution of the utility model, the knife handle and the knife head are integrally formed.

[0010] The technical effect of adopting the above further scheme is: by integrally forming the shank and the cutter head, the connection strength can be effectively guaranteed, thereby ensuring the quality of the round nose milling cutter, increasing the service life of the round nose milling cutter, and also ensuring the processing effect.

[0011] As a preferred solution of the utility model, the first through hole is arranged to penetrate the two first grooves.

[0012] The technical effect of adopting the above further scheme is: by setting the first through hole penetrating the two first grooves, the first through hole penetrating the two first grooves can enable the round nose milling cutter to achieve a quick drainage effect after the water flows into the first through hole during the processing, through the first through hole penetrating the first groove on the other side.

[0013] As a preferred solution of the present invention, the second through hole is arranged to penetrate the two second grooves.

[0014] The technical effect of adopting the above further scheme is: by setting up the second through hole penetrating the two second grooves, the second through hole penetrating the two second grooves can enable the round nose milling cutter to achieve the effect of rapid drainage after the water flows into the second through hole during the processing.

[0015] As a preferred solution of the utility model, the thread groove and the cutter head are integrally formed.

[0016] The technical effect of adopting the above-mentioned further scheme is: by integrally forming the thread groove and the cutter head, it can effectively ensure that the round nose milling cutter can effectively cut the workpiece during the processing process, and at the same time, debris and water can also flow out along the thread groove, thereby facilitating entry into the second groove and the first groove and being discharged.

[0017] As a preferred solution of the present invention, the blade and the blade head are integrally formed.

[0018] The technical effect of adopting the above further solution is: by integrally forming the blade and the cutter head, the connection strength between the blade and the cutter head can be effectively guaranteed, thereby making the processing of the round nose milling cutter more stable.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] In the utility model, through the arrangement of the first groove and the second groove, the water flow and debris generated by the round nose milling cutter when processing the workpiece can be effectively allowed to flow down along the second groove and the first groove, and the second through hole and the first through hole can connect the two first grooves and the two second grooves, so that the water flow can flow along the second through hole and the first through hole into the second groove and the first groove on the other side, thereby accelerating the drainage speed, thereby effectively ensuring the processing accuracy of the round nose milling cutter, thereby avoiding affecting the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the planar structure of the handle of the utility model when viewed from above;

[0023] Figure 3 It is a schematic diagram of the planar structure of the first through hole of the utility model.

[0024] Legend: 1. Handle; 2. First groove; 3. First through hole; 4. Cutting head; 5. Second groove; 6. Second through hole; 7. Thread groove; 8. Cutting edge. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant literature, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0029] Example 1

[0030] like Figure 1-3 As shown, the utility model provides a technical solution: a round nose milling cutter, comprising a shank 1, two first grooves 2 are symmetrically provided on the periphery of the shank 1 for facilitating chip and water removal, five first through holes 3 are provided on the inner side of the first groove 2 penetrating the interior of the shank 1 for effectively connecting the two first grooves 2, a cutter head 4 is provided on the top of the shank 1, two second grooves 5 are symmetrically provided on the periphery of the cutter head 4 near the bottom for facilitating water and chip removal, two second through holes 6 are provided on the inner side of the second groove 5 penetrating the interior of the cutter head 4 for facilitating connecting the two second grooves 5, a plurality of thread grooves 7 are provided on the periphery of the cutter head 4 near the top, and a blade 8 is provided on the top of the cutter head 4.

[0031] Example 2

[0032] like Figure 1-3 As shown, the first groove 2 and the second groove 5 are arranged opposite to each other. Through the corresponding arrangement, it is convenient to discharge the debris and water flow generated during the processing. The tool handle 1 and the tool head 4 are integrally formed, which can effectively ensure the quality of the round nose milling cutter and prevent damage to the workpiece due to breakage during processing. The first through hole 3 runs through the two first grooves 2 and can effectively connect the two first grooves 2, so as to speed up the drainage speed. The second through hole 6 runs through the two second grooves 5 and can effectively connect the two second grooves 5, thereby speeding up the drainage speed. The thread groove 7 is integrally formed with the tool head 4, which can effectively cut the workpiece and remove chips at the same time. The blade 8 is integrally formed with the tool head 4, which can effectively process the workpiece.

[0033] The working process of the utility model is as follows: when using a round nose milling cutter to process a workpiece, first, the round nose milling cutter is installed on the milling machine so that the shank 1 is fixed. After completion, the workpiece can be processed, and the milling machine is used to drive the blade 8 to process the workpiece. During the processing, the water pipe on the milling machine is aligned with the round nose milling cutter to cool the cutter head 4. At the same time, as the blade 8 processes the workpiece, debris and cooling water flow also flow along the thread groove 7, and the debris and water enter the second groove 5 along the thread groove 7. A part of the water flow and debris flows along the second groove 5 into the first groove 2, and some water flows along the second through hole 6 from the second groove 5 on the other side into the first groove 2. The water that enters the first groove 2 but has no time to be discharged passes through the first through hole 3 and enters the first groove 2 on the other side to reduce the drainage pressure and increase the drainage speed. The utility model can effectively discharge the debris and water flow generated by the round nose milling cutter when processing the workpiece in time through the design, thereby ensuring the accuracy and efficiency of the processed workpiece.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A round nose milling cutter, comprising a shank (1), characterized in that: The outer periphery of the knife handle (1) is symmetrically provided with two first grooves (2); the inner side of the first groove (2) penetrates through the interior of the knife handle (1) and is provided with five first through holes (3); the top of the knife handle (1) is provided with a knife head (4); the outer periphery of the knife head (4) is symmetrically provided with two second grooves (5) near the bottom; the inner side of the second groove (5) penetrates through the interior of the knife head (4) and is provided with two second through holes (6); the outer periphery of the knife head (4) is provided with a plurality of thread grooves (7) near the top; and the top of the knife head (4) is provided with a blade (8).

2. A round nose milling cutter according to claim 1, characterized in that: The first groove (2) and the second groove (5) are arranged opposite to each other.

3. A round nose milling cutter according to claim 1, characterized in that: The knife handle (1) and the knife head (4) are integrally formed.

4. A round nose milling cutter according to claim 1, characterized in that: The first through hole (3) is arranged to penetrate the two first grooves (2).

5. A round nose milling cutter according to claim 1, characterized in that: The second through hole (6) is arranged to penetrate the two second grooves (5).

6. A round nose milling cutter according to claim 1, characterized in that: The thread groove (7) and the cutter head (4) are integrally formed.

7. A round nose milling cutter according to claim 1, characterized in that: The blade (8) and the blade head (4) are integrally formed.

Images