WO2023240901A1 - 修光刃刀片及具有其的刀具 - Google Patents
修光刃刀片及具有其的刀具 Download PDFInfo
- Publication number
- WO2023240901A1 WO2023240901A1 PCT/CN2022/129506 CN2022129506W WO2023240901A1 WO 2023240901 A1 WO2023240901 A1 WO 2023240901A1 CN 2022129506 W CN2022129506 W CN 2022129506W WO 2023240901 A1 WO2023240901 A1 WO 2023240901A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wiper
- tool
- wiper blade
- edge
- cutting
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 65
- 230000007704 transition Effects 0.000 claims abstract description 26
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000003746 surface roughness Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
Definitions
- the utility model relates to the technical field of tool design, specifically to a wiper blade and a tool having the same.
- Wiper edge is a cutting tool structure. Structurally, the wiper blade mainly plays the role of increasing the impact resistance of the tool tip and reducing the surface roughness value of the workpiece.
- the wiper tool reduces the fitting angle between the cutting edge of the tool and the machined surface (ie, the secondary deflection angle, usually 0-3°), and squeezes or scrapes the machined surface to improve the processing quality of the machined surface.
- Tools in the prior art only have one or two symmetrical wiper edges on one tool tip, so that a wiper tool needs to be installed on a specific tool holder and a specific deflection angle is formed during the machining process to be effective.
- the same type of insert can be used with several leading angle tool holders and front and backhand tool holders. When the wiper tool is replaced with another tool holder, the wiper edge of the tool will become invalid.
- the wiper blade processes different parts such as the outer circle, end face or profiling at the same time, it will also fail.
- the main purpose of this utility model is to provide a wiper blade and a tool having the same, so as to solve the problem in the prior art that the wiper blade loses its wiper effect when it is installed on different tool holders.
- a wiper blade which includes: a tool body.
- the tool body includes a cutting part.
- the cutting part is used for cutting the workpiece.
- the cutting part includes a plurality of wipers. adjacent wiper edges are connected through transition surfaces, and the secondary deflection angles of multiple wiper edges are set differently.
- a plurality of wiper edges and a plurality of tool holders with different preset main deflection angles are arranged in one-to-one correspondence, so that when the tool body is connected to any one of the plurality of tool holders, there is always a connection with the tool holder.
- the corresponding wiper blade performs wiper work on the workpiece.
- the two cutting parts are arranged symmetrically at 180° with respect to the central axis along the mounting hole.
- adjacent wiper edges are connected by a transition arc surface or a transition plane.
- the transition arc surface is tangent to the wiper edge, and the transition arc surface is tangent to the wiper edge.
- the first arc diameter of the arc surface is R1, where 0.1mm ⁇ R1 ⁇ 2mm.
- the wiper blade is made of one of alloy, ceramic, polycrystalline cubic boron nitride, and polycrystalline diamond.
- the tool body includes a cutting part, and the cutting part includes a plurality of wiper blades, and the secondary deflection angles of the multiple wiper blades are set differently.
- the wiper blade When the wiper blade is installed on a variety of different tool holders or when processing workpieces of different shapes, it has a suitable wiper blade to smooth the machined surface and improve the surface roughness of the processed workpiece.
- the technical solution of the present application effectively solves the problem in the prior art that the wiper blade loses its wiper effect when it is installed on different tool holders.
- Figure 1 shows a schematic structural diagram of a first embodiment of a wiper blade according to the present invention
- Figure 2 shows an enlarged structural schematic diagram of position A in Figure 1;
- Figure 3 shows a schematic structural diagram of a second embodiment of a wiper blade according to the present invention
- Figure 4 shows an enlarged structural schematic diagram of B in Figure 3;
- Figure 5 shows a schematic structural diagram of a third embodiment of a wiper blade according to the present invention.
- Figure 6 shows an enlarged structural schematic diagram of C in Figure 5;
- Figure 7 shows a schematic structural diagram of a fifth embodiment of a wiper blade according to the present invention.
- Figure 8 shows a schematic structural diagram of a sixth embodiment of a wiper blade according to the present invention.
- Figure 9 shows a schematic structural diagram of a seventh embodiment of a wiper blade according to the present invention.
- Figure 10 shows a schematic structural diagram of an existing wiper blade.
- Tool body 20. Cutting part; 21. Wiper edge; 30. Transition surface; 31. Transition arc surface; 40. Mounting hole; 50. Machined surface.
- the design idea of the wiper insert is to adjust the geometry of the tool tip to approximate an elliptical shape within the maximum allowable tip radius tolerance of the standard insert. In fact, when the tool is processed according to the feed value per revolution F, a corrugated surface will be formed due to the formation of the tool tip. When the wiper edge is added (the arc diameter of the wiper edge is larger than the arc diameter of the tool tip), although the machining is still performed according to the feed F, the roughness of the machined surface will decrease because the arc becomes larger.
- the existing wiper blade is only provided with one wiper blade corresponding to the tool holder on one side of the main cutting edge.
- the wiper blade cannot contact the machined surface of the workpiece, and the wiper effect cannot be achieved.
- a wiper blade is provided.
- the wiper insert includes a tool body 10 .
- the tool body 10 includes a cutting portion 20 .
- the cutting part 20 is used for cutting the workpiece.
- the cutting part 20 includes a plurality of wiper edges 21 . Adjacent wiper edges 21 are connected by a transition surface 30 . The secondary deflection angles of the plurality of wiper edges 21 are set differently.
- the tool body includes a cutting part
- the cutting part 20 includes a plurality of wiper edges 21.
- the secondary deflection angles of the multiple wiper edges 21 are set differently.
- the wiper edge 21 enables the wiper blade to have a suitable wiper edge 21 when it is installed on a variety of different tool holders or when processing workpieces of different shapes. It can smooth the machined surface and improve the surface of the processed workpiece. Roughness.
- the technical solution of the present application effectively solves the problem in the prior art that the wiper blade loses its wiper effect when it is installed on different tool holders.
- Adopting the technical solution of this embodiment a new multi-stage wiper tool is provided, which is suitable for cutting processing with different leading angles, expands the use range of the wiper blade 21, and reduces the use of the wiper blade cost.
- the main declination angle of the tool is the angle between the cutting edge in the base plane and the feed direction
- the minor declination angle is the angle between the negative cutting edge in the base plane and the opposite direction of the feed direction.
- the main declination angle of the tool is mainly related to the tool model, tool holder and processing position. Tool holders are customarily distinguished according to their leading angle. Among them, when the feed direction changes, the actual main and secondary declination angles of the tool will also change.
- the wiper blade failure phenomenon is very easy to occur, which affects the surface roughness of the product. How to avoid such phenomena to improve the processing accuracy of the product has been It has become an urgent technical problem that needs to be solved in the industry.
- the tool can realize multi-stage wiper, which ensures the effect of the wiper edge without the need to replace the tool, which greatly saves the processing cost and improves the processing quality.
- the cutting part 20 further includes a cutting edge, and the plurality of wiper edges 21 are located on the same side of the cutting edge.
- the cutting edge cuts the workpiece to a margin, and then the wiper edge 21 modifies the cut surface to improve the smoothness of the workpiece.
- the radial cross-section of the tool body 10 along the mounting hole is a parallelogram
- cutting units are symmetrically arranged at the vertex corners of the upper surface corresponding to the longer diagonals of the parallelogram, and each The cutting unit includes a main cutting edge formed by the long side of the apex angle, and a minor cutting edge formed by the short side of the apex angle.
- the wiper edge 21 is arranged between the main cutting edge and the minor cutting edge, and the minor deflection angle of the wiper edge 21 is related to various The entering angle of the tool holder to be used is set accordingly.
- the wiper edge 21 of the turning insert refers to the edge where the insert contacts the processing plane, and the wiper edge 21 of the turning insert refers to the edge where the insert contacts the outer or inner surface of the processing surface.
- the function of the wiper edge 21 is similar to that of the auxiliary cutting edge.
- the deflection angle of the wiper edge is generally 0° to 3°, and the length is about twice the tool feed.
- the wiper edge 21 can reduce the roughness of the processed surface and improve the processing quality.
- the plurality of wiper edges 21 are arranged in one-to-one correspondence with a plurality of tool holders with different preset main deflection angles, so that when the tool body 10 is connected to any one of the plurality of tool holders, there is a problem with
- the wiper edge 21 corresponding to the tool holder performs the wiper operation on the workpiece.
- the commonly used tool holders for D-type tools mainly include 93°, 107.5° and 62.5°.
- Figure 5 and Figure 6 show a wiper blade that can adapt to the above three angles at the same time. When the corresponding entering angle of the tool bar connected to the tool body 10 is 62.5°, as shown in FIG.
- the first wiper edge among the plurality of wiper edges 21 is in the working position.
- the corresponding main deflection angle of the tool bar connected to the tool body 10 is 93°, as shown in FIG. 8
- the second wiper edge among the plurality of wiper edges 21 is in the working position.
- the corresponding entering angle of the tool bar connected to the tool body 10 is 107.5°
- the third wiper edge among the plurality of wiper edges 21 is in the working position.
- Figure 10 shows the existing wiper blade. This wiper blade is a wiper blade corresponding to a 62.5° leading angle tool holder and can only be applied to the corresponding tool holder.
- the wiper insert replacement tool holder (107.5° leading angle tool holder) shown in Figure 10 is as follows.
- the cutting position in contact with the workpiece surface is the transition arc surface 31, and the wiper edge 21 cannot have a wiper effect.
- the wiper edge 21 can be used to wipe the machined surface 50 of the workpiece with a suitable wiper edge 21 when it is installed and corresponds to a variety of tool holders with different leading angles. function, improving the practicality of the wiper blade.
- a mounting hole 40 is provided in the middle of the wiper blade.
- the radial cross section of the wiper blade along the mounting hole 40 is a polygon, and a cutting portion 20 is provided at at least one vertex corner of the polygon.
- the mounting hole 40 is used to fix the wiper blade on the tool holder.
- Polygons include but are not limited to structures such as quadrilaterals and pentagons, and the cutting part 20 can also be designed according to actual needs.
- the two cutting parts 20 are symmetrically arranged at 180° with respect to the central axis along the mounting hole 40 .
- adjacent wiper edges 21 are connected through a transition arc surface 31 or a transition plane.
- the transition arc surface 31 is tangent to the wiper edge 21, and the first arc diameter of the transition arc surface 31 is R1, where 0.1 mm ⁇ R1 ⁇ 2mm.
- the shape of the wiper edge 21 is an arc or a straight line.
- the second arc diameter of each wiper edge 21 is set to the same, and the width of each wiper edge 21 is set to the same, the second arc diameter is R2, and the width is L1, where , 0.4mm ⁇ R2 ⁇ 10mm, 0.05mm ⁇ L1 ⁇ 1mm.
- the arc is determined based on the main deflection angle of the tool or the shape of the workpiece being processed.
- the first arc diameter is smaller than the second arc diameter.
- the cutting edge of the cutting part 20 is composed of n wiper blades, and n can be any integer greater than 2.
- the wiper blade is installed on the tool holder, and the cutting part of the blade is connected to the part of the workpiece being processed The angle is in the range of 0° to 3°.
- the cutting edge of the cutting part 20 is composed of multiple arc-shaped wiper edges 21 , and the second arc diameters and widths of all wiper edges 21 are the same and evenly distributed.
- the diameter of the second arc is uniformly between 0.4-10mm, and the width of the wiper blade is between 0.05-1mm.
- the arc of the wiper edge 21 and the arc of the wiper edge 21 are connected through a curved surface that satisfies a preset functional relationship.
- the cutting edge of the cutting part 20 is composed of a plurality of arc-shaped wiper edges 21 , and the second arc diameters and widths of the arcs of different wiper edges 21 are different.
- the angle of the wiper edge 21 is designed according to the entering angle of the tool holder corresponding to the blade and the processing position of the workpiece, and the insert can be applied to the tool holder with any leading angle.
- the cutting edge of the cutting part 20 is composed of a plurality of arc-shaped wiper edges 21 , and the second arc diameters and widths of the arcs of different wiper edges 21 are different.
- at least one of the second arc diameters and widths of different wiper edges 21 is set identically, and part of the wiper edge angle is designed according to the main deflection angle of the tool holder corresponding to the blade.
- the wiper blade can be suitable for Tool holder with any leading angle.
- the remaining wiper edges 21 are evenly distributed between the determined wiper edges 21 .
- the wiper blade includes a top surface and a lower positioning surface arranged oppositely.
- the wiper blade 21 is provided such that its blade width gradually decreases in the direction from the top surface to the lower positioning surface.
- the plurality of wiper edges 21 are evenly spaced along the circumferential direction of the cutting part 20 . This arrangement can further expand the use range of the wiper blade and improve the wiper effect on the workpiece.
- the wiper blade is made of one of alloy, ceramic, polycrystalline cubic boron nitride, and polycrystalline diamond.
- a tool including a wiper blade, and the wiper blade is the wiper blade in the above embodiment.
- the tool includes a tool arbor, and the tool arbor is provided with a step for mounting the wiper blade.
- the step is provided with a screw hole.
- the top surface of the tool body 10 is provided with a chip breaker, the chip breaker is provided close to the wiper edge 21 , and the chip breaker is an arc-shaped groove.
- spatially relative terms can be used here, such as “on", “on", “on the upper surface of", “above”, etc., to describe what is shown in the figure.
- the exemplary term “over” may include both orientations “above” and “below.”
- the device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims (9)
- 一种修光刃刀片,其特征在于,包括:刀具本体(10),所述刀具本体(10)包括切削部(20),所述切削部(20)用于对工件进行切削加工,所述切削部(20)包括多个修光刃(21),相邻的所述修光刃(21)之间通过过渡面(30)连接,多个所述修光刃(21)的副偏角不同地设置。
- 如权利要求1所述的修光刃刀片,其特征在于,多个所述修光刃(21)与多个具有不同预设主偏角的刀杆一一对应地设置,以使所述刀具本体(10)与多个所述刀杆中的任一个所述刀杆连接时,均存在与所述刀杆对应的所述修光刃(21)对所述工件进行修光作业。
- 如权利要求1所述的修光刃刀片,其特征在于,所述修光刃刀片的中部设置有安装孔(40),所述修光刃刀片沿所述安装孔(40)的径向横截面为多边形,所述多边形的至少一个顶角处设置有所述切削部(20)。
- 如权利要求3所述的修光刃刀片,其特征在于,所述切削部(20)为两个,两个所述切削部(20)关于沿所述安装孔(40)的中心轴线呈180°对称设置。
- 如权利要求1所述的修光刃刀片,其特征在于,相邻的所述修光刃(21)之间通过过渡圆弧面(31)或过渡平面连接,相邻的所述修光刃(21)之间通过过渡圆弧面(31)连接时,所述过渡圆弧面(31)与所述修光刃(21)相切,且所述过渡圆弧面(31)的第一圆弧直径为R1,其中,0.1mm≤R1≤2mm。
- 如权利要求1所述的修光刃刀片,其特征在于,所述修光刃(21)的形状为圆弧或直线,所述修光刃(21)的形状为圆弧时,各所述修光刃(21)的第二圆弧直径相同地设置,各所述修光刃(21)的宽度相同地设置,所述第二圆弧直径为R2,所述宽度为L1,其中,0.4mm≤R2≤10mm,0.05mm≤L1≤1mm。
- 如权利要求3所述的修光刃刀片,其特征在于,多个所述修光刃(21)沿所述切削部(20)的周向间隔均匀地设置。
- 如权利要求1所述的修光刃刀片,其特征在于,所述修光刃刀片由合金、陶瓷、聚晶立方氮化硼、聚晶金刚石中的一个制成。
- 一种刀具,包括修光刃刀片,其特征在于,所述修光刃刀片为权利要求1-8中任一项所述的修光刃刀片。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020237000538A KR20230173644A (ko) | 2022-06-16 | 2022-11-03 | 와이퍼 인서트 및 이를 구비한 공구 |
MX2023000394A MX2023000394A (es) | 2022-06-16 | 2022-11-03 | Inserto limpiador y herramienta con el mismo. |
JP2023501879A JP2024526477A (ja) | 2022-06-16 | 2022-11-03 | ワイパーインサート及びそれを有する工具 |
DE112022000064.3T DE112022000064T8 (de) | 2022-06-16 | 2022-11-03 | SCHLICHTMEIßEL UND WERKZEUG MIT DEMSELBEN |
US18/011,266 US20240227030A1 (en) | 2022-06-16 | 2022-11-03 | Wiper insert and tool with the same |
CA3186276A CA3186276A1 (en) | 2022-06-16 | 2022-11-03 | A wiper insert and a tool with the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221504761.7 | 2022-06-16 | ||
CN202221504761.7U CN217596365U (zh) | 2022-06-16 | 2022-06-16 | 修光刃刀片及具有其的刀具 |
CN202210682265.9A CN114986079A (zh) | 2022-06-16 | 2022-06-16 | 修光刃刀片及具有其的刀具 |
CN202210682265.9 | 2022-06-16 |
Publications (1)
Publication Number | Publication Date |
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WO2023240901A1 true WO2023240901A1 (zh) | 2023-12-21 |
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PCT/CN2022/129506 WO2023240901A1 (zh) | 2022-06-16 | 2022-11-03 | 修光刃刀片及具有其的刀具 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007105819A (ja) * | 2005-10-12 | 2007-04-26 | Denso Corp | ねじ切り工具、ねじ加工装置及びねじ加工方法 |
CN203197333U (zh) * | 2013-01-10 | 2013-09-18 | 郑州市钻石精密制造有限公司 | 用于加工涡旋盘上推力轴承面的聚晶立方氮化硼刀片 |
JP6512499B1 (ja) * | 2018-05-29 | 2019-05-15 | 株式会社タンガロイ | 切削インサート |
CN111283231A (zh) * | 2020-04-02 | 2020-06-16 | 北京沃尔德金刚石工具股份有限公司 | 一种pcbn刃口及刀片 |
CN114986079A (zh) * | 2022-06-16 | 2022-09-02 | 北京沃尔德金刚石工具股份有限公司 | 修光刃刀片及具有其的刀具 |
-
2022
- 2022-11-03 WO PCT/CN2022/129506 patent/WO2023240901A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007105819A (ja) * | 2005-10-12 | 2007-04-26 | Denso Corp | ねじ切り工具、ねじ加工装置及びねじ加工方法 |
CN203197333U (zh) * | 2013-01-10 | 2013-09-18 | 郑州市钻石精密制造有限公司 | 用于加工涡旋盘上推力轴承面的聚晶立方氮化硼刀片 |
JP6512499B1 (ja) * | 2018-05-29 | 2019-05-15 | 株式会社タンガロイ | 切削インサート |
CN111283231A (zh) * | 2020-04-02 | 2020-06-16 | 北京沃尔德金刚石工具股份有限公司 | 一种pcbn刃口及刀片 |
CN114986079A (zh) * | 2022-06-16 | 2022-09-02 | 北京沃尔德金刚石工具股份有限公司 | 修光刃刀片及具有其的刀具 |
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