Spiral milling cutter

By designing a barrier sleeve and a flow guide on the spiral end mill, the problem of debris and water entering the fixture during spiral end milling is solved, extending the fixture life and improving machining stability.

CN223588390UActive Publication Date: 2025-11-25DONGGUAN YUANYUAN CNC TOOL CO LTD
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Patent Information

Application Number
CN202423055088.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-25
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing spiral end mills generate a large amount of debris and frictional heat during thread cutting, causing water and debris to enter the fixture and affecting its lifespan.

Method used

A spiral end mill was designed, including a barrier sleeve and a flow guide. The barrier sleeve is engaged with the spiral end mill body, and the flow guide is connected to the barrier sleeve. The flow is guided by the first and second flow guide grooves to prevent debris and water from entering the fixture.

Benefits of technology

It effectively blocks and guides the flow, preventing debris and water from entering the clamp, extending the clamp's lifespan, and improving connection stability and flow guiding efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a spiral milling cutter, which relates to the technical field of machine tool processing, and comprises a spiral milling cutter body, the periphery of the spiral milling cutter body close to the bottom is provided with a blocking sleeve, the blocking sleeve is adaptively clamped with the bottom of the periphery of the spiral milling cutter body, and the bottom of the blocking sleeve is fixedly connected with a bucket-shaped flow guide cover. A plurality of first flow guide grooves are annularly formed in the periphery of the blocking sleeve, second flow guide grooves corresponding to the first flow guide grooves are formed in the periphery of the flow guide cover, and the second flow guide grooves are communicated with the first flow guide grooves. Cooling water and chippings generated during machining can enter a clamp of a machining lathe, and the service life of the clamp is affected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lathe processing technical field especially, relates to a spiral milling cutter. BACKGROUND

[0002] Milling cutter, it is used for milling processing, has one or more cutter teeth rotation tool, each cutter tooth is cut off the margin of workpiece in turn intermittently, milling cutter is mainly used in milling machine plane, step groove, forming surface and cutting workpiece etc.

[0003] In prior art, milling cutter is subdivided into many kinds according to use and shape, wherein, spiral milling cutter is also one kind of milling cutter, and spiral milling cutter is mainly used for thread processing cutter, and the existing thread milling cutter produces many chippings when thread processing, simultaneously, spiral milling cutter generates very strong friction between high-speed running cutter head and the workpiece being processed when processing, and these frictions can cause cutter head heating, so water cooling is used, and water flow and chippings are easy to enter the inside of thread milling cutter driving clamp along the cutter bar of spiral milling cutter, which can affect the service life of clamp for a long time, therefore, we propose a spiral milling cutter. SUMMARY

[0004] The utility model discloses a spiral milling cutter, which can effectively prevent the water flow and chippings from entering the inside of the thread milling cutter driving clamp along the cutter bar of the spiral milling cutter, thereby prolonging the service life of the clamp.

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

[0006] A spiral milling cutter, comprising a spiral milling cutter body, a blocking sleeve is installed at the outer periphery of the spiral milling cutter body near the bottom, and the blocking sleeve is adaptively connected with the outer periphery bottom of the spiral milling cutter body, a flow guide cover in the shape of a bucket is fixed to the bottom of the blocking sleeve, a plurality of first flow guide grooves are formed in the outer periphery of the blocking sleeve in the form of a ring, a plurality of second flow guide grooves are formed in the outer periphery of the flow guide cover corresponding to the first flow guide grooves, and the second flow guide grooves are in communication with the first flow guide grooves.

[0007] As a preferred scheme of the utility model, the spiral milling cutter body comprises a cutter head, five thread grooves are formed in the outer periphery of the cutter head, and the cutter head is made of tungsten steel.

[0008] The technical effects of the further scheme are that the tool head and the threaded notch can effectively process the machined object, the tungsten steel material has strong rigidity, and the service life of the tool head and the threaded notch can be effectively ensured and the degree of wear is delayed.

[0009] As the preferred scheme of the utility model, the spiral milling cutter body further comprises a tool rod, the tool rod is integrally formed with the tool head, and the tool rod is also made of tungsten steel material.

[0010] As the preferred scheme of the utility model, the anti-skid part is arranged on the periphery of the tool rod and close to the bottom, and the anti-skid part is clamped with the machining lathe driving clamp.

[0011] The technical effects of the further scheme are that the anti-skid part can effectively ensure that the tool rod is connected with the machining lathe driving clamp, the friction between the tool rod and the machining lathe driving clamp is improved, and the connection is more stable.

[0012] As the preferred scheme of the utility model, the barrier sleeve is made of iron metal material, and the barrier sleeve is welded with the periphery of the spiral milling cutter body.

[0013] The technical effects of the further scheme are that the barrier sleeve is made of iron metal material, the strength of the barrier sleeve can be effectively ensured, and the first flow guide groove can smoothly guide flow.

[0014] As the preferred scheme of the utility model, the flow guide cover is also made of iron metal material, and the curvature of the flow guide cover is thirty degrees.

[0015] The technical effects of the further scheme are that the flow guide cover is made of iron metal material, the flow guide cover made of iron metal material can effectively ensure rigidity, the flow guide cover cannot be deformed, and the flow guide cover can stably guide flow.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The utility model discloses a blocking sleeve is arranged, and the blocking sleeve can effectively block the chip and cooling water flow generated during the processing of the spiral milling cutter body, thereby effectively avoiding the water flow and chip from entering the driving clamp inside the processing lathe along the thread slot and the tool bar of the spiral milling cutter body, and the water flow and chip are guided to other places, and the first flow guide groove and the second flow guide groove can deepen the guidance of the water flow and ensure the flow direction of the water flow. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is whole structure schematic diagram of the utility model;

[0019] Fig. 2 It is spiral milling cutter body structure schematic diagram of the utility model;

[0020] Fig. 3 It is blocking sleeve structure schematic diagram of the utility model.

[0021] Legend: 1, spiral milling cutter body;11, tool bit;12, thread slot;13, tool bar;14, anti -skid part;2, blocking sleeve;3, flow guide cover;4, first flow guide groove;5, second flow guide groove. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely 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 the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] In order to facilitate the understanding of the utility model, the utility model will be described more fully below in conjunction with relevant, a number of embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described in the paper, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element, and when an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "and / or" includes any and all combinations of one or more of the associated listed items.

[0026] Embodiment 1

[0027] As shown in Figs. 1-3 The utility model provides a kind of technical scheme: a spiral milling cutter, including spiral milling cutter body 1, barrier sleeve 2 is installed in the outer periphery of spiral milling cutter body 1 near bottom, and barrier sleeve 2 and the outer periphery bottom of spiral milling cutter body 1 are adapted to be connected, the bottom of barrier sleeve 2 is fixedly connected with the fairing 3 of bucket type, the outer periphery of barrier sleeve 2 is annular and is provided with a plurality of first flow guide grooves 4, the outer periphery of fairing 3 is provided with second flow guide groove 5 corresponding to first flow guide groove 4, and second flow guide groove 5 is communicated with first flow guide groove 4, and water flow can be effectively guided by first flow guide groove 4 and second flow guide groove 5, to effectively guide water flow.

[0028] Embodiment 2

[0029] As shown in Figs. 1-3 Spiral milling cutter body 1 includes tool bit 11, and five thread grooves 12 are formed in the outer periphery of tool bit 11, and tool bit 11 is made of tungsten steel, so that thread machining is facilitated by tool bit 11 and thread grooves 12.

[0030] Spiral milling cutter body 1 also includes tool bar 13, and tool bar 13 is integrally formed with tool bit 11, and tool bar 13 is also made of tungsten steel, so that tool bar 13 made of tungsten steel has high strength, thereby effectively ensuring the service life of spiral milling cutter body 1.

[0031] Anti-skid part 14 is formed in the outer periphery of tool bar 13 and near the bottom, and anti-skid part 14 is connected with the machining lathe driving clamp, so that the connection strength between tool bar 13 and the machining lathe clamp can be effectively ensured by anti-skid part 14.

[0032] Barrier sleeve 2 is made of iron metal material, and barrier sleeve 2 is welded with the outer periphery of spiral milling cutter body 1, so that barrier sleeve 2 made of iron metal material has high strength, thereby effectively blocking the debris generated during machining and the water flow for cooling.

[0033] The fairing 3 is also made of iron metal material, and the curvature of the fairing 3 is thirty degrees, so that the debris and water flow can be effectively guided to other places, and the debris and water flow can be prevented from entering the inside of the machining lathe clamp.

[0034] The working process of the utility model is as follows: when a kind of spiral milling cutter is used to carry out thread processing, first, the spiral milling cutter body 1 is taken out, after taking out, the anti-skid part 14 of the tool bar 13 is fixedly connected to the inside of the driving clamp of machining lathe, under the action of the anti-skid part 14, the tool bar 13 and clamp connection can be more stable, subsequently, machining lathe can be controlled to carry out thread processing to the processed object, in the processing process, driving clamp drives spiral milling cutter body 1 to rotate at high speed, the tool bit 11 and thread slot 12 are used to carry out thread processing to the processed object, in the processing process, debris will move along the tool bar 13 with cutting, and cooling water flow will also flow along the tool bar 13, in this process, the blocking sleeve 2 will be blocked, under the guidance of the blocking sleeve 2 and the first flow guide groove 4, debris reaches the position of the fairing 3, and is guided to other positions by the fairing 3, and water flow is also guided to other positions along the first flow guide groove 4 and the second flow guide groove 5, so as to avoid that debris and water flow enter the inside of clamp, the utility model is designed, and it can effectively avoid that cooling water and debris processed in the processing process of spiral milling cutter enter the inside of the clamp of machining lathe and affect the service life of clamp.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A helical end mill, comprising a helical end mill body (1), characterized in that: A barrier sleeve (2) is installed near the bottom of the outer periphery of the spiral end mill body (1), and the barrier sleeve (2) is fitted and snapped into the bottom of the outer periphery of the spiral end mill body (1). A bucket-shaped flow guide shroud (3) is fixed to the bottom of the barrier sleeve (2). Several first flow guide grooves (4) are opened in a ring around the outer periphery of the barrier sleeve (2). A second flow guide groove (5) is opened on the outer periphery of the flow guide shroud (3) corresponding to the first flow guide grooves (4). The second flow guide groove (5) is connected to the first flow guide groove (4).

2. A spiral end mill according to claim 1, characterized in that: The spiral end mill body (1) includes a cutter head (11), and the cutter head (11) has five threaded slots (12) on its periphery. The cutter head (11) is made of tungsten steel.

3. A spiral end mill according to claim 2, characterized in that: The spiral end mill body (1) also includes a tool holder (13), which is integrally formed with the cutter head (11), and the tool holder (13) is also made of tungsten steel.

4. A spiral end mill according to claim 3, characterized in that: An anti-slip part (14) is provided on the periphery of the tool holder (13) and near the bottom, and the anti-slip part (14) is engaged with the machining lathe drive fixture.

5. A spiral end mill according to claim 1, characterized in that: The barrier sleeve (2) is made of iron metal and is welded to the periphery of the spiral milling cutter body (1).

6. A spiral end mill according to claim 1, characterized in that: The fairing (3) is also made of iron metal, and the curvature of the fairing (3) is thirty degrees.