Milling tool capable of applying turning blade

Abstract

The utility model provides a milling cutter capable of applying a turning blade, which comprises the turning blade, the turning blade is diamond-shaped, the turning blade comprises two milling cutting edges which are symmetrically arranged, the milling cutting edges take the section of a first plane as an obtuse angle, and the first plane is vertical to the symmetry axis of the turning blade; the milling cutter is provided with a plurality of cutter grooves in the circumferential direction, during milling, a plurality of turning blades are installed in the corresponding cutter grooves respectively, and any milling cutting edge is exposed out of the cutter groove and used for milling a workpiece; the turning blade further comprises two turning cutting edges which are symmetrically arranged, and the turning cutting edges take the section of the first plane as an acute angle so that the turning blade can be used on a turning tool. By means of the structure, the turning blade is reused on the milling cutter, the utilization rate of the turning blade is increased, and the production and use cost is reduced.

Description

Technical Field

[0001] The present application generally relates to the field of milling processing technology, and in particular to a milling tool that can be used with a turning insert. Background Art

[0002] In conventional turning processing, the turning insert is diamond-shaped, including two symmetrically arranged acute-angle cutting edges and two symmetrically arranged obtuse-angle cutting edges. During the turning process, the acute-angle cutting edges are generally used for processing. After turning is completed, the turning insert is discarded or treated as waste or scrap, and the residual value is very low.

[0003] Milling is the second largest machining method after turning. The price of milling inserts is much higher than that of turning inserts, so in the daily production process, funds must be spent to purchase a large number of milling inserts. In the current fierce market competition, reducing costs can often enable one's own products to gain a huge competitive advantage. Therefore, how to improve the utilization rate of turning inserts and reuse turning inserts on milling tools to reduce production costs is an urgent problem that needs to be solved. Summary of the Invention

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a milling tool to which a turning insert can be applied that can solve the above-mentioned technical problems.

[0005] The present application provides a milling tool to which a turning insert can be applied, comprising:

[0006] A turning insert, the turning insert being rhombus-shaped and comprising two symmetrically arranged milling edges, the milling edges forming an obtuse angle with respect to a cross section of a first plane, the first plane being perpendicular to an axis of symmetry of the turning insert;

[0007] The cutter body has a plurality of tool grooves matched with milling blades arranged circumferentially on the side wall of the cutter body, a turning blade is installed in each tool groove, and any of the milling blades is exposed outside the tool groove for milling workpieces.

[0008] According to the technical solution provided in the present application, the turning insert includes a first side wall provided on both sides of the milling blade, and also includes a second side wall distributed along the symmetry axis of the turning insert; the tool groove includes: a first positioning surface, a second positioning surface and a third positioning surface, the second positioning surface and the third positioning surface are respectively abutted against the two first side walls, and the first positioning surface is abutted against the second side wall; the milling tool also includes a fixing component, which is used to apply an extrusion force to the other second side wall.

[0009] According to the technical scheme provided in the application, the cutter body is provided with a placing groove corresponding to each of the cutter grooves, and the placing groove is arranged away from the first positioning surface; the placing groove is communicated with the cutter groove, and the fixing assembly is arranged in the placing groove.

[0010] According to the technical scheme provided in the application, the fixing assembly comprises a pressing block arranged on the second side wall away from the first positioning surface, the pressing block is provided with a first through hole, the axis of the first through hole is in a first direction, one side of the pressing block close to the second side wall is provided with an inclined surface, the extension direction of the inclined surface and the first direction form a first included angle, and the opening of the first included angle is directed to the side close to the milling blade exposed outside the cutter groove; the fixing assembly further comprises a driving member, and the driving member is used for driving the pressing block to move in the first direction and providing a pressing force for the turning insert.

[0011] According to the technical scheme provided in the application, the driving member comprises a connecting piece penetrating through the first through hole, the two ends of the connecting piece are respectively provided with a first thread and a second thread, the rotation directions of the first thread and the second thread are opposite, the connecting piece is threadedly connected with the pressing block through the first thread, and the connecting piece is threadedly connected with the cutter body through the second thread.

[0012] According to the technical scheme provided in the application, the pressing block is in a cylindrical wedge structure.

[0013] According to the technical scheme provided in the application, one side of the cutter body away from the cutter groove is provided with a clamping port, and the clamping port is used for connecting with a tool shank.

[0014] The application has the following beneficial effects:

[0015] The application provides a milling tool with a turning insert, which comprises a turning insert, and the turning insert is in a rhombus shape and comprises two symmetrically arranged milling blades, the milling blade is obtuse-angled in the cross section of a first plane, and the first plane is perpendicular to the symmetric axis of the turning insert; the milling tool comprises a plurality of cutter grooves arranged in the circumferential direction, when milling, the plurality of turning inserts are respectively arranged in the corresponding cutter grooves, any milling blade is exposed outside the cutter groove and is used for milling a workpiece; the turning insert further comprises two symmetrically arranged turning blades, the turning blade is acute-angled in the cross section of a first plane and is used on the turning tool; through the above structure, the turning insert is repeatedly used on the milling tool, the utilization rate of the turning insert is improved, and the production and use costs are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects, and advantages of the application will become more apparent from the following detailed description when read in conjunction with the accompanying drawings:

[0017] Figure 1 is a sectional view of a milling cutter to which a turning insert is applied provided by the present application;

[0018] Figure 2 is a bottom view of a sectional view of a milling cutter to which a turning insert is applied provided by the present application;

[0019] Figure 3 is a front view of a milling cutter to which a turning insert is applied provided by the present application;

[0020] Figure 4 is a top view of a milling cutter to which a turning insert is applied provided by the present application

[0021] Figure 5 is a schematic view of a fixing assembly connected with a turning insert provided by the present application;

[0022] Figure 6 is a schematic view of a turning insert provided by the present application;

[0023] Figure 7 is a schematic view of a pressing block provided by the present application;

[0024] Figure 8 is a schematic view of a connecting piece provided by the present application.

[0025] In the drawings: 1, cutter body; 2, turning insert; 21, first side wall; 22, second side wall; 3, first positioning surface; 4, second positioning surface; 5, third positioning surface; 6, placing groove; 7, connecting piece; 71, first thread; 72, second thread; 8, pressing block; 81, pressing surface; 10, clamping interface; 11, milling cutting edge; 12, turning cutting edge. DETAILED DESCRIPTION

[0026] The present application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related application, and are not a limitation on the application. In addition, it should be noted that only the parts related to the application are shown in the drawings for ease of description.

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0028] Embodiment 1

[0029] Reference should be made to Figures 1-8The present application provides a milling tool to which a turning insert can be applied, comprising:

[0030] A turning insert 2, the turning insert 2 is rhombus-shaped and includes two symmetrically arranged milling edges 11, the milling edges 11 having an obtuse angle with a cross section of a first plane, and the first plane is perpendicular to the symmetry axis of the turning insert 2;

[0031] The cutter body 1 has a plurality of grooves circumferentially arranged on the side wall thereof, each groove being provided with a turning insert 2, and any milling edge 11 being exposed outside the groove for milling a workpiece;

[0032] Specifically, the turning insert 2 further includes two symmetrically arranged turning edges 12 , wherein the turning edges 12 have a cross section of the first plane as an acute angle, so as to be used on a turning tool;

[0033] Specifically, such as Figure 6 As shown, the turning insert 2 is diamond-shaped and has four cutting edges, namely, two symmetrically arranged milling blades 11 and two symmetrically arranged turning blades 12. During the turning process, due to the limitations of the tool installation method and the processing movement direction, the blades with acute angles are often used for processing. Therefore, only two turning blades 12 can be used for processing in the turning insert 2. If an attempt is made to reverse the direction of the blade and use the milling blade 11, the blade may not be properly installed in the chuck or cannot remain stable after installation, resulting in vibration during the turning process, affecting the processing accuracy and surface quality. Therefore, when the turning blade 12 is worn and cannot be used, the entire turning insert 2 can only be discarded and treated as waste or scrap.

[0034] Working principle: When milling is performed, multiple turning blades 2 are respectively installed in corresponding tool grooves, and any milling blade 11 is exposed outside the tool groove for milling the workpiece; through the above structure, the present application reuses the turning blade 2 on the milling tool, improves the utilization rate of the turning blade, and reduces the cost of production and use.

[0035] In some embodiments, the turning blade 2 includes a first side wall 21 provided on both sides of the milling blade 11, and also includes a second side wall 22 distributed along the symmetry axis of the turning blade 2; the tool groove includes: a first positioning surface 3, a second positioning surface 4 and a third positioning surface 5, the second positioning surface 4 and the third positioning surface 5 are respectively abutted against the two first side walls 21, and the first positioning surface 3 is abutted against the second side wall 22; the milling tool also includes a fixing component, which is used to apply an extrusion force to the other second side wall 22.

[0036] Specifically, such as Figure 2As shown, the tool groove comprises a first positioning surface 3, a second positioning surface 4 and a third positioning surface 5; the tool groove is matched with the turning insert 2, so that when the turning insert 2 is placed in the tool groove, the second positioning surface 4 and the third positioning surface 5 respectively abut against two first side walls 21, and the first positioning surface 3 abuts against one of the second side walls 22; and the milling tool further comprises a fixing assembly, which is used to apply a pressing force to the other second side wall 22 to fix the turning insert 2, maintain the stability of the turning insert 2 during milling, and prevent the turning insert 2 from deviating.

[0037] In some embodiments, the tool body 1 is provided with a placing groove 6 corresponding to each tool groove, and the placing groove 6 is arranged away from the first positioning surface 3; the placing groove 6 is in communication with the tool groove, and the placing groove 6 is provided with a fixing assembly, which is used to fix the turning insert 2.

[0038] Specifically, as shown in Figures 1-3 In some embodiments, the tool body 1 is provided with a placing groove 6 corresponding to each tool groove, and the placing groove 6 is in communication with the tool groove, and the placing groove 6 is provided with a fixing assembly, which is used to fix the turning insert 2, so as to ensure the stability of the turning insert 2 and facilitate the disassembly of the turning insert 2.

[0039] In some embodiments, the fixing assembly comprises a pressing block 8 arranged on the second side wall 22 away from the first positioning surface 3, the pressing block 8 has a first through hole, the axis of the first through hole is in the first direction, and the pressing block 8 is provided with a pressing surface 81 on the side close to the second side wall 22; the extending direction of the pressing surface 81 and the first direction form a first included angle, and the opening of the first included angle is directed to the side close to the milling cutting edge 11 exposed outside the tool groove; the fixing assembly further comprises a driving member, which is used to drive the pressing block 8 to move in the first direction and provide a pressing force for the turning insert 2.

[0040] Specifically, as shown in Figure 1 and Figure 5 In some embodiments, the fixing assembly comprises a pressing block 8 arranged on the second side wall 22 away from the first positioning surface 3, the pressing block 8 has a first through hole, the axis of the first through hole is in the first direction, and the pressing block 8 is provided with a pressing surface 81 on the side close to the second side wall 22; the extending direction of the pressing surface 81 and the first direction form a first included angle, and the opening of the first included angle is directed to the side close to the milling cutting edge 11 exposed outside the tool groove; the fixing assembly further comprises a driving member, which is used to drive the pressing block 8 to move in the first direction and provide a pressing force for the turning insert 2.

[0041] In some embodiments, the driving member includes a connecting piece 7 penetrating the first through hole, two ends of the connecting piece 7 are respectively provided with a first thread 71 and a second thread 72, the rotation directions of the first thread 71 and the second thread 72 are opposite, the connecting piece 7 is threadedly connected with the pressing block 8 through the first thread 71, and the connecting piece 7 is threadedly connected with the tool body 1 through the second thread 72.

[0042] Specifically, as shown in Figure 8 the driving member includes a connecting piece 7 penetrating the first through hole, in the embodiment, the first through hole is a threaded hole; two ends of the connecting piece 7 are respectively provided with a first thread 71 and a second thread 72, the rotation directions of the first thread 71 and the second thread 72 are opposite, the end of the connecting piece 7 close to the first thread 71 is provided with a hexagonal recess; the pressing block 8 is a cylindrical wedge structure to form a pressing surface 81, and the placing groove 6 is matched with the pressing block 8; when the pressing block 8 is installed, the first thread 71 of the connecting piece 7 is connected with the first through hole first, then the connecting piece 7 and the pressing block 8 connected together are placed into the placing groove 6, and the pressing surface 81 slightly abuts against the second side wall 22; then one end of an internal hexagonal wrench is inserted into the hexagonal recess, so that the hexagonal wrench tightens the connecting piece 7 and the tool body 1 until the pressing block 8 presses the waste milling blade.

[0043] Specifically, the cylindrical wedge structure can provide stable clamping force, ensure that the tool does not loosen when rotating at high speed or bearing cutting force, thereby improving machining precision and surface quality; meanwhile, the self-locking property and force increasing effect of the wedge structure can improve the rigidity of the tool and reduce vibration, which is very important for improving cutting efficiency and tool life.

[0044] In some embodiments, the side of the tool body 1 away from the tool groove is provided with a clamping interface 10, and the clamping interface 10 is used to connect with a tool shank.

[0045] Specifically, as shown in Figure 4 the tool body 1 is installed on the main shaft of a machine tool through the tool shank to process a workpiece; the tool shank has a mandrel and a positioning key, when the tool body 1 is connected with the tool shank, the mandrel penetrates the center of the tool body 1 and is connected with the tool body 1; at this time, the clamping interface 10 is clamped with the positioning key; when the tool body 1 is replaced, the tool shank does not need to be removed, and the cutting edge does not need to be further pre-set, and the tool body 1 can be easily replaced on the machine tool.

[0046] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. It should be understood by those skilled in the art that the scope of the application involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.

Claims

1. A milling tool applicable to a turning insert, characterized in that: include: A turning blade (2), the turning blade (2) being rhombus-shaped and comprising two symmetrically arranged milling blades (11), the milling blades (11) forming an obtuse angle with respect to a cross section of a first plane, the first plane being perpendicular to an axis of symmetry of the turning blade (2); A cutter body (1) is provided with a plurality of matching milling blades (11) on the side wall of the cutter body (1), each of the cutter grooves having a turning blade (2) installed therein, and any of the milling blades (11) is exposed outside the cutter groove for milling a workpiece.

2. A milling tool applicable to a turning insert according to claim 1, characterized in that: The turning insert (2) comprises a first side wall (21) provided on both sides of the milling blade (11), and also comprises a second side wall (22) distributed along the symmetry axis of the turning insert (2); the tool groove comprises a first positioning surface (3), a second positioning surface (4) and a third positioning surface (5), the second positioning surface (4) and the third positioning surface (5) respectively abutting against two of the first side walls (21), and the first positioning surface (3) abutting against the second side wall (22); the milling tool further comprises a fixing component, the fixing component being used to apply an extrusion force to the other second side wall (22).

3. A milling tool applicable to a turning insert according to claim 2, characterized in that: A placement groove (6) is provided on the knife body (1) corresponding to each knife groove, and the placement groove (6) is arranged away from the first positioning surface (3); the placement groove (6) is communicated with the knife groove, and the fixing component is provided in the placement groove (6).

4. A milling tool applicable to a turning insert according to claim 3, characterized in that: The fixing assembly includes a clamping block (8) provided on the side of the second side wall (22) away from the first positioning surface (3), the clamping block (8) having a first through hole, the axis extension direction of the first through hole being in a first direction, a clamping surface (81) being provided on the side of the clamping block (8) close to the second side wall (22), the extension direction of the clamping surface (81) having a first angle with the first direction, the opening of the first angle facing the side of the milling blade (11) exposed outside the tool groove; the fixing assembly also includes a driving member, the driving member being used to drive the clamping block (8) to move along the first direction to provide a clamping force for the turning blade (2).

5. The milling tool using a turning insert according to claim 4, characterized in that: The driving member comprises a connecting member (7) passing through the first through hole, wherein a first thread (71) and a second thread (72) are respectively provided at both ends of the connecting member (7), wherein the first thread (71) and the second thread (72) rotate in opposite directions, and the connecting member (7) is threadedly connected to the pressing block (8) via the first thread (71), and the connecting member (7) is threadedly connected to the cutter body (1) via the second thread (72).

6. A milling tool applicable to a turning insert according to claim 5, characterized in that: The pressing block (8) is a cylindrical wedge-shaped structure.

7. The milling tool applicable to a turning insert according to claim 1, characterized in that: A card interface (10) is provided on a side of the knife body (1) away from the knife groove, and the card interface (10) is used to be connected to a knife handle.

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