Five-axis machining center clamping tool for machining indexable face milling cutter

Abstract

The utility model relates to the technical field of indexable face milling cutter machining, in particular to a clamping tool for machining an indexable face milling cutter in a five-axis machining center. In order to solve the problem that when indexable face milling cutters of different specifications are machined, jumping of the clamping tool needs to be checked again after the clamping tool is replaced every time, the novel clamping tool for machining the indexable face milling cutter in the five-axis machining center comprises a tool body, a mandrel and a fixing bolt, the tool body is provided with a Morse taper hole, and the mandrel is provided with a clamping hole. A plurality of fixing threaded holes are formed in the edge of the top face of the tool body, the mandrel comprises a positioning part and a taper shank part, the taper shank part is connected with a Morse taper hole in the tool body in a matched mode, a disassembling hole is formed in the side face of the tool body, and a plurality of fixing bolts are connected with the corresponding clamping counterbores and the corresponding fixing threaded holes in a matched mode. When the clamping tool disclosed by the utility model is used for machining indexable face milling cutters with different specifications, only the adaptive mandrel needs to be replaced, so that the clamping time is effectively saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of indexable face milling cutter processing technology, especially to the clamping tool of processing indexable face milling cutter, and specifically to a clamping tool of five -axis machining center processing indexable face milling cutter. BACKGROUND

[0002] Indexable face milling cutter is widely used because of its good cutting performance, long tool life and high production efficiency, but the indexable face milling cutter has complex angles, so the chip flute, blade groove and drill blade groove thread bottom hole of the indexable face milling cutter are generally machined on a five -axis machining center to ensure the machining accuracy of the indexable face milling cutter.

[0003] Because the indexable face milling cutter has many different specifications, the positioning hole diameters of various specifications are different, so when machining indexable face milling cutters of different specifications, the appropriate clamping tool needs to be replaced, and after replacing the clamping tool each time, the clamping tool runout needs to be rechecked to ensure the machining accuracy, which is low in clamping efficiency and affects the machining efficiency. SUMMARY

[0004] The utility model discloses in order to solve the problem that when machining indexable face milling cutters of different specifications, the clamping tool needs to be replaced each time and then rechecked, and provides a new clamping tool of five -axis machining center processing indexable face milling cutter.

[0005] The utility model is adopted as follows technical scheme realizes:

[0006] Scheme one: the clamping tool used when machining large -size indexable face milling cutter:

[0007] A clamping tool of five -axis machining center processing indexable face milling cutter, wherein the to be processed indexable face milling cutter is provided with a center mounting hole and a plurality of clamping countersunk holes uniformly distributed in the circumference, the clamping tool comprises a tool body, a mandrel, a plurality of fixed bolts, the top surface center of the tool body is provided with a morse taper hole, the top surface edge of the tool body is provided with a plurality of fixed screw holes uniformly distributed in the circumference and matched with the plurality of clamping countersunk holes on the to be processed indexable face milling cutter, the bottom end part of the tool body is used for fixing with the machine tool workbench, the mandrel comprises a positioning part and a taper shank part distributed upwards and downwards and coaxially arranged, the positioning part is cylindrical, the positioning part is used for matched connection with the center mounting hole on the to be processed indexable face milling cutter, the taper shank part is matched with the morse taper hole on the tool body, the side surface of the tool body is provided with a dismounting hole in communication with the bottom end of the taper shank part, and the plurality of fixed bolts are used for matched connection with the corresponding clamping countersunk hole and fixed screw hole.

[0008] In use, the bottom end of the tool body is fixed with the machine tool workbench, the taper shank part on the mandrel is installed in the Morse taper hole of the tool body, the center mounting hole of the to-be-processed indexable face milling cutter is positioned and matched with the positioning part on the mandrel, and finally the bottom surface of the to-be-processed indexable face milling cutter is pressed against the top surface of the tool body through a plurality of fixing bolts which are respectively matched and connected with the corresponding clamping countersunk holes and fixing threaded holes, so that the clamping and fixing of the to-be-processed indexable face milling cutter is realized. When the size of the to-be-processed indexable face milling cutter changes (that is, the hole diameter of the center mounting hole of the to-be-processed indexable face milling cutter changes, while the positions of the plurality of clamping countersunk holes of the to-be-processed indexable face milling cutter remain unchanged, wherein the positions of the plurality of clamping countersunk holes of the to-be-processed indexable face milling cutter are completed in the previous machining process), the mandrel can be knocked out by inserting an iron rod into the dismounting hole and knocking the bottom end of the taper shank part, and then the replaced mandrel is installed in the tool body. Finally, the to-be-processed indexable face milling cutter can be used after being clamped and fixed, without the need for further checking of the tool runout. In addition, the tool is particularly suitable for large-sized indexable face milling cutters (such as indexable face milling cutters with a center mounting hole of 60 mm in diameter).

[0009] Further, the bottom end of the tool body is provided with a mounting flange for fixed installation with the machine tool workbench and a mounting bolt matched with the mounting flange, so as to facilitate the fixation of the tool body with the machine tool workbench.

[0010] Scheme two: a clamping tool suitable for machining small-sized indexable face milling cutters:

[0011] A clamping tool for machining an indexable face milling cutter in a five-axis machining center, wherein the center of the to-be-processed indexable face milling cutter is provided with a center countersunk hole, the clamping tool comprises a tool body, a mandrel and a center bolt, the top center of the tool body is provided with a Morse taper hole, the bottom end of the tool body is used for fixed installation with the machine tool workbench, the mandrel comprises a positioning part and a taper shank part which are arranged coaxially and distributed upward and downward, the positioning part is cylindrical, the bottom end of the positioning part extends radially to form a pressing part, the taper shank part is matched and connected with the Morse taper hole on the tool body, the top center of the positioning part is coaxially provided with a center threaded hole matched with the center countersunk hole on the to-be-processed indexable face milling cutter, the side surface of the tool body is provided with a dismounting hole communicated with the bottom end of the taper shank part, the top end of the positioning part is used for matched connection with the center countersunk hole on the to-be-processed indexable face milling cutter, and the center bolt is used for matched connection with the center countersunk hole and the center threaded hole.

[0012] In use, the bottom end of the tool body is fixed to the machine tool worktable, the taper shank on the mandrel is installed in the Morse taper hole of the tool body, the center counterbore of the indexable face milling cutter to be machined is positioned and matched with the top end of the positioning portion of the mandrel, and finally the center bolt is matched and connected with the center counterbore and the center threaded hole, and the bottom surface of the indexable face milling cutter to be machined is pressed against the top surface of the pressing portion, so that the clamping and fixing of the indexable face milling cutter to be machined is realized. When the size of the indexable face milling cutter to be machined changes, the mandrel can be knocked out by inserting an iron rod into the dismounting hole and knocking the bottom end of the taper shank, and then the replaced mandrel is installed in the tool body, and finally the indexable face milling cutter to be machined is clamped and fixed and can be used without checking the tool runout again. In addition, the clamping tool is particularly suitable for small-sized (for example, the hole diameter of the center counterbore is 22mm, 27mm, 32mm or 40mm) indexable face milling cutters.

[0013] Further, the top surface of the tool body is circumferentially provided with a plurality of fixing threaded holes matched with a plurality of clamping counterbores on a large-sized indexable face milling cutter to be machined, so that when the large-sized indexable face milling cutter to be machined needs to be machined, the tool body also does not need to be dismounted, only the mandrel needs to be replaced, and the application range is further improved.

[0014] Further, the bottom end of the tool body is provided with a mounting flange for fixed installation with the machine tool worktable and a mounting bolt matched with the mounting flange, so that the tool body is conveniently fixed with the machine tool worktable.

[0015] The clamping tool of the utility model has the beneficial effects that the positioning of the mandrel is realized through the cooperation of the taper shank and the Morse taper hole on the tool body, when different-sized indexable face milling cutters are machined, only the matched mandrel needs to be replaced, the tool body does not need to be replaced, and the overall tool runout does not need to be checked again, the clamping time is effectively saved, and the machining efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings incorporated into the specification and constituting a part of the specification show embodiments consistent with the utility model and, together with the specification, serve to explain the principle of the utility model.

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 It is the assembly structure diagram of the utility model for machining large-sized indexable face milling cutters.

[0019] Figure 2 is a sectional view of the embodiment of the present application; Figure 1

[0020] Figure 3 is an assembly structure schematic view of the small-size indexable face milling cutter;

[0021] Figure 4 is a sectional view of the embodiment of the present application; Figure 3

[0022] Figure 5 is a structure schematic view of the tooling body;

[0023] Figure 6 is a mandrel used when machining the large-size indexable face milling cutter;

[0024] Figure 7 is a mandrel used when machining the small-size indexable face milling cutter.

[0025] In the figure: 1-indexable face milling cutter, 101-center mounting hole, 102-clamping counterbore hole, 103-center counterbore hole, 2-tooling body, 201-Morse taper hole, 202-fixing threaded hole, 203-disassembly hole, 204-mounting flange, 3-mandrel, 301-positioning part, 302-taper shank part, 303-pressing part, 304-center threaded hole, 4-fixing bolt, 5-center bolt. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above purpose, features and advantages of the present application, the scheme of the present application will be further described below. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the description, it should be noted that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. It should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0028] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein; obviously, the examples in the specification are only some of the embodiments of the present application, not all the embodiments.

[0029] ​​The specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0030] Embodiment one: as Figure 1 、 2 , 5, 6 is shown as the clamping tool suitable for processing large specification indexable face milling cutter:

[0031] A kind of five-axis machining center machining indexable face milling cutter's clamping tool, wherein, the indexable face milling cutter 1 to be processed is equipped with central mounting hole 101 and the multiple clamping countersunk hole 102 of circumferentially uniform distribution, the clamping tool includes tool body 2, mandrel 3, multiple fixed bolts 4, the top surface of tool body 2 is equipped with morse taper hole 201, the top surface edge of tool body 2 is equipped with multiple circumferentially uniform and with the multiple clamping countersunk hole 102 on the indexable face milling cutter 1 to be processed compatible fixed screw hole 202, the bottom end of tool body 2 is used to be fixed with machine tool worktable, mandrel 3 includes upper and lower distribution and coaxially arranged positioning part 301 and taper shank part 302, positioning part 301 is cylindrical, positioning part 301 is used to be connected with the central mounting hole 101 on the indexable face milling cutter 1 to be processed, taper shank part 302 is connected with morse taper hole 201 on tool body 2, the side of tool body 2 is equipped with the dismounting hole 203 that is communicated with the bottom end of taper shank part 302, multiple fixed bolts 4 are used to be connected with corresponding clamping countersunk hole 102, fixed screw hole 202 is compatible.

[0032] When using, the bottom end of tool body 2 is fixed with machine tool worktable, the taper shank part 302 on mandrel 3 is installed in morse taper hole 201 of tool body 2, while the central mounting hole 101 of the indexable face milling cutter 1 to be processed is positioned and adapted with the positioning part 301 on mandrel 3, finally through multiple fixed bolts 4 are respectively connected with corresponding clamping countersunk hole 102, fixed screw hole 202 and make the bottom surface of the indexable face milling cutter 1 to be processed be pressed to the top surface of tool body 2, to realize the clamping and fixing of the indexable face milling cutter 1 to be processed.When the specification size of the indexable face milling cutter 1 to be processed changes (the specification size of the indexable face milling cutter 1 to be processed changes, i.e. the hole diameter of the central mounting hole 101 of the indexable face milling cutter 1 to be processed changes, while the position of the multiple clamping countersunk hole 102 of the indexable face milling cutter 1 to be processed is unchanged, wherein the position of the multiple clamping countersunk hole 102 of the indexable face milling cutter 1 to be processed is in the machining completion of its previous process), iron stick is inserted into dismounting hole 203 and knock the bottom end of taper shank part 302 of mandrel 3, mandrel 3 can be extruded out, then the replaced compatible mandrel 3 is installed in tool body 2, finally the indexable face milling cutter 1 to be processed is clamped and fixed and can be used, without needing to check tool runout again.In addition, the clamping tool is particularly suitable for large specification (such as the hole diameter of the central mounting hole 101 of the indexable face milling cutter 1 is 60mm) indexable face milling cutter 1.

[0033] In specific implementation, the bottom end of the tool body 2 is provided with a mounting flange 204 for fixed installation with the machine tool workbench and a mounting bolt matched with the mounting flange 204, so as to facilitate the fixed installation of the tool body 2 with the machine tool workbench.

[0034] Embodiment two: as shown in Figure 3 、 4 , 5, 7, a clamping tool for machining small-sized indexable face milling cutter 1 is shown in the figure:

[0035] A clamping tool for machining indexable face milling cutter in a five-axis machining center, wherein the center of the indexable face milling cutter 1 to be machined is provided with a center counterbore 103, the clamping tool comprises a tool body 2, a mandrel 3 and a center bolt 5, the top surface of the tool body 2 is provided with a Morse taper hole 201, the bottom end of the tool body 2 is used for fixed installation with the machine tool workbench, the mandrel 3 comprises a positioning part 301 and a taper shank part 302 which are arranged coaxially and distributed upward and downward, the positioning part 301 is cylindrical, the bottom end of the positioning part 301 extends radially to form a pressing part 303, the taper shank part 302 is connected with the Morse taper hole 201 on the tool body 2, the top surface of the positioning part 301 is coaxially provided with a center threaded hole 304 matched with the center counterbore 103 on the indexable face milling cutter 1 to be machined, the side surface of the tool body 2 is provided with a dismounting hole 203 communicated with the bottom end of the taper shank part 302, the top end of the positioning part 301 is used for matched connection with the center counterbore 103 on the indexable face milling cutter 1 to be machined, and the center bolt 5 is used for matched connection with the center counterbore 103 and the center threaded hole 304.

[0036] In use, the bottom end of the tool body 2 is fixed with the machine tool workbench, the taper shank part 302 on the mandrel 3 is installed in the Morse taper hole 201 of the tool body 2, at the same time, the center counterbore 103 of the indexable face milling cutter 1 to be machined is positioned and matched with the top end of the positioning part 301 on the mandrel 3, and finally the center bolt 5 is matched with the center counterbore 103 and the center threaded hole 304, and the bottom surface of the indexable face milling cutter 1 to be machined is pressed on the top surface of the pressing part 303, so as to realize the clamping and fixing of the indexable face milling cutter 1 to be machined. When the size of the indexable face milling cutter 1 to be machined changes, the mandrel 3 can be extruded out by using an iron rod to knock the bottom end of the taper shank part 302 of the mandrel 3, then the replaced mandrel 3 is installed in the tool body 2, and finally the indexable face milling cutter 1 to be machined is clamped and fixed and can be used without the need for checking the tool runout. In addition, the clamping tool is particularly suitable for small-sized indexable face milling cutters 1 (such as the indexable face milling cutter 1 with a center counterbore 103 with a hole diameter of 22mm, 27mm, 32mm or 40mm).

[0037] In specific implementation, the top edge of the tool body 2 is circumferentially provided with a plurality of fixing threaded holes 202 matched with a plurality of clamping countersunk holes 102 on the large-size to-be-processed indexable face milling cutter 1, when the large-size to-be-processed indexable face milling cutter 1 needs to be processed, the tool body 2 also does not need to be disassembled, only the core shaft 3 needs to be replaced, and the application range is further improved.

[0038] In specific implementation, the bottom end of the tool body 2 is provided with a mounting flange 204 for fixed installation with a machine tool workbench and a mounting bolt matched with the mounting flange 204, so that the tool body 2 is conveniently fixed with the machine tool workbench.

[0039] The above is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Although the foregoing embodiments are described in detail, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments, and they should be covered in the protection scope of the claims.

Claims

1. A clamping tool for machining an indexable face mill in a five-axis machining center, wherein, The center mounting hole (101) and the plurality of clamping countersunk holes (102) are uniformly distributed on the indexable face milling cutter (1), characterized in that the clamping tool includes a tool body (2), a mandrel (3), and a plurality of fixing bolts (4), the top surface of the tool body (2) is provided with a Morse taper hole (201), the top surface edge of the tool body (2) is provided with a plurality of fixing screw holes (202) which are uniformly distributed in the circumferential direction and are matched with the plurality of clamping countersunk holes (102) on the indexable face milling cutter (1), the bottom end of the tool body (2) is used for fixing with the machine tool table, the mandrel (3) includes a positioning portion (301) and a taper shank portion (302) which are arranged coaxially and distributed vertically, the positioning portion (301) is cylindrical, the positioning portion (301) is used for matching and connecting with the center mounting hole (101) on the indexable face milling cutter (1), the taper shank portion (302) is matched and connected with the Morse taper hole (201) on the tool body (2), and the side surface of the tool body (2) is provided with a dismounting hole (203) which is communicated with the bottom end of the taper shank portion (302).

2. The clamping tool for machining the indexable face milling cutter of the five-axis machining center according to claim 1, characterized in that, The bottom end of the tool body (2) is provided with a mounting flange (204) which is used for fixing and mounting with the machine tool table and a mounting bolt which is matched with the mounting flange (204).

3. A clamping tool for machining an indexable face mill in a five-axis machining center, wherein, The center of the indexable face milling cutter (1) is provided with a center countersunk hole (103), characterized in that the clamping tool includes a tool body (2), a mandrel (3), and a center bolt (5), the top surface of the tool body (2) is provided with a Morse taper hole (201), the bottom end of the tool body (2) is used for fixing with the machine tool table, the mandrel (3) includes a positioning portion (301) and a taper shank portion (302) which are arranged coaxially and distributed vertically, the positioning portion (301) is cylindrical, the bottom end of the positioning portion (301) is radially extended to form a pressing portion (303), the taper shank portion (302) is matched and connected with the Morse taper hole (201) on the tool body (2), the top surface of the positioning portion (301) is coaxially provided with a center threaded hole (304) which is matched with the center countersunk hole (103) on the indexable face milling cutter (1), the side surface of the tool body (2) is provided with a dismounting hole (203) which is communicated with the bottom end of the taper shank portion (302), and the top end of the positioning portion (301) is used for matching and connecting with the center countersunk hole (103) on the indexable face milling cutter (1), the center bolt (5) is used for matching and connecting with the center countersunk hole (103) and the center threaded hole (304).

4. The clamping tool for machining the indexable face milling cutter of the five-axis machining center according to claim 3, characterized in that, The top surface edge of the tool body (2) is circumferentially provided with a plurality of fixing screw holes (202) which are matched with the plurality of clamping countersunk holes (102) on the large-specification indexable face milling cutter (1).

5. The clamping tool for machining the indexable face milling cutter of the five-axis machining center according to claim 4, characterized in that, The bottom end of the tool body (2) is provided with a mounting flange (204) which is used for fixing and mounting with the machine tool table and a mounting bolt which is matched with the mounting flange (204).

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