Damping vibration attenuation milling cutter

Abstract

The utility model discloses a damping vibration attenuation milling cutter which comprises a cutter handle, a cutter holder is installed at one end of the cutter handle, a cutter head is arranged at the end, away from the cutter handle, of the cutter holder, cutter teeth are arranged on the outer wall of the cutter head at equal intervals, chip grooves are formed in the outer wall, between every two adjacent cutter teeth, of the cutter head, and the included angle between every two adjacent cutter teeth is 60 degrees. An insertion cavity is formed in one side of the interior of the knife handle, one end of the insertion cavity extends out of the knife handle, a damping vibration attenuation mechanism is arranged on the other side of the interior of the knife handle, locking bolts are installed on the outer walls of the two sides of the knife handle correspondingly, one end of each locking bolt extends into the insertion cavity, and a part containing cavity is formed in one side of the interior of the knife handle. And a mass block is arranged in the piece placing cavity. The milling cutter not only achieves the purpose of chip removal so as to guarantee the milling effect of the milling cutter on a metal workpiece when the milling cutter is used, but also can reduce the chatter phenomenon of the cutter head so as to improve the milling precision of the milling cutter on the metal workpiece, and achieves the purpose of easy installation and connection of the milling cutter.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, in particular to a damping vibration-reducing milling cutter. Background Art

[0002] A milling cutter is a rotating tool with one or more teeth used for milling. It is often used when processing metal workpieces. Because the design of the milling cutter can directly affect the processing effect of the metal workpiece, people's requirements for milling cutters are getting higher and higher.

[0003] Reference publication number CN204843090U is a vibration-damping milling cutter arbor based on eddy current damping effect, which includes a cutter seat, a cylindrical head screw, a permanent magnet vibration reduction module, a mass block, a spindle, and a cutter body; the head of the cutter body is provided with a cavity and an inner threaded hole of the cutter head, the tail is provided with an inner hole and an interface, and the middle part is axially provided with a spindle hole; the spindle passes through the spindle hole and is positioned by the inner hole of the cutter tail; the permanent magnet vibration reduction module and the mass block are located in the cutter head cavity; the cutter seat is fixedly connected to the cutter body, the top of the cutter seat is provided with an end key, the bottom of the cutter seat is provided with a seat bottom threaded hole, the cylindrical head screw is screwed into the base threaded hole, the head of the cylindrical head screw contacts the external magnet, and the air gap between the two pairs of inner magnets and the outer magnet can be adjusted by adjusting the length of the cylindrical head screw screwed into the seat bottom threaded hole. It can effectively suppress the tool chatter phenomenon in milling processing and is suitable for the processing of various deep cavity and deep hole parts. For example, a milling cutter with a publication number of CN210160483U includes two cutter bodies for milling processing; a cutter seat for installing the cutter body; the two cutter bodies are coaxially fixedly connected with the rotating shaft, and the rotating shaft is rotatably connected with the cutter seat. The two cutter bodies rotate simultaneously under the action of a power source, and the power source is installed on the cutter seat. This milling cutter is suitable for finishing or expanding the two side walls of the U-shaped groove. According to the above, although the milling cutter can be well applied, it usually does not have a chip removal groove, so that the metal debris generated during the processing is easy to remain in the milling hole, thereby affecting the milling effect of the metal workpiece, which often bothers the user. Utility Model Content

[0004] The purpose of the utility model is to provide a damping and vibration-reducing milling cutter to solve the problem in the above-mentioned background technology that although the milling cutter can be well applied, it usually does not have a chip groove, so that metal debris generated during the processing is easily retained in the milling hole, thereby affecting the milling effect of the metal workpiece.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a damping and vibration-reducing milling cutter, comprising a shank, a shank having a shank seat installed at one end of the shank, a cutter head being arranged at the end of the cutter head away from the shank, the outer wall of the cutter head being provided with equally spaced cutter teeth, chip grooves being arranged on the outer wall of the cutter head between adjacent cutter teeth, the angle between adjacent cutter teeth being sixty degrees, a plug-in cavity being arranged on one side of the interior of the shank, one end of the plug-in cavity extending to the outside of the shank, and a damping and vibration-reducing mechanism being arranged on the other side of the interior of the shank.

[0006] Preferably, locking bolts are installed on the outer walls of both sides of the tool handle, and one end of the locking bolts extends to the inside of the plug-in cavity. Through the setting of the locking bolts, the tool rod of the milling machine can be locked and placed inside the plug-in cavity.

[0007] Preferably, six chip removal grooves are provided, and the angle between adjacent chip removal grooves is sixty degrees. The chip removal grooves are provided so as to guide and discharge metal debris generated during the milling process.

[0008] Preferably, the damping vibration reduction mechanism includes a placement cavity and a mass block. The placement cavity is provided on one side of the tool handle, and the mass block is provided inside the placement cavity. The placement cavity can facilitate the placement of relevant components such as the mass block.

[0009] Preferably, the damping and vibration reduction mechanism includes an inner magnet and a first eddy current damping plate. The inner magnets are arranged inside the placement cavities on both sides of the mass block. The first eddy current damping plate is arranged on the outer wall of the inner magnet away from the mass block. The inner magnet and the first eddy current damping plate are arranged to combine to form a damping and vibration reduction mechanism.

[0010] Preferably, the damping vibration reduction mechanism includes a second eddy current damping plate, and a second eddy current damping plate is arranged on the outer wall of the first eddy current damping plate away from the inner magnet, and the damping vibration reduction mechanism is formed by the arrangement of the second eddy current damping plate.

[0011] Preferably, the damping vibration reduction mechanism includes an external magnet, and an external magnet is arranged on the outer wall of the second eddy current damping plate on a side away from the first eddy current damping plate, and the damping vibration reduction mechanism is formed by the arrangement of the external magnet.

[0012] Preferably, a mandrel is disposed inside the tool holder, one end of which extends into the interior of the mounting cavity and is connected to an outer wall of an external magnet. The mandrel is disposed so that the tool head can be damped and reduced in vibration by the damping and vibration reduction mechanism.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the damping vibration reduction milling cutter not only achieves the purpose of chip removal to ensure the milling effect of the milling cutter on the metal workpiece when the milling cutter is used, and avoids the phenomenon of wear of the milling cutter caused by high temperature due to untimely chip removal, but also can reduce the vibration of the cutter head to improve the milling accuracy of the milling cutter on the metal workpiece, and achieves the purpose of easy installation and connection of the milling cutter;

[0014] (1) By arranging six chip removal grooves on the outer wall of the cutter head, when the cutter head performs milling processing on a metal workpiece, metal debris can be guided out through the multiple chip removal grooves to achieve the purpose of chip removal, thereby reducing the metal debris remaining in the milling hole of the metal workpiece, thereby ensuring the milling effect of the metal workpiece when the milling cutter is used, and avoiding the phenomenon of high temperature causing wear of the milling cutter due to untimely chip removal;

[0015] (2) The damping and vibration reduction mechanism is formed by combining the placement cavity, the mass block, the inner magnet, the first eddy current damping plate, the second eddy current damping plate and the outer magnet, so that the damping and vibration reduction function of the milling cutter can be realized, thereby reducing the vibration phenomenon of the cutter head, thereby improving the milling accuracy of the milling cutter on the metal workpiece;

[0016] (3) The purpose of facilitating the installation and connection of the milling cutter is achieved by inserting the tool bar component of the milling machine into the insertion cavity and then tightening the locking bolt with the help of a tool, passing one end of the locking bolt through the tool handle and screwing it into the tool bar. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the right side;

[0018] Figure 2 This is a left-view three-dimensional structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0020] Figure 4 It is an enlarged structural diagram of the damping and vibration reduction mechanism of the utility model.

[0021] In the figure: 1, tool handle; 2, tool holder; 3, tool head; 301, tool teeth; 302, chip groove; 4, locking bolt; 5, plug-in cavity; 6, spindle; 7, damping and vibration reduction mechanism; 701, placement cavity; 702, mass block; 703, inner magnet; 704, first eddy current damping plate; 705, second eddy current damping plate; 706, outer magnet. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: a damping vibration reduction milling cutter, comprising a handle 1, locking bolts 4 are installed on the outer walls of both sides of the handle 1, and one end of the locking bolt 4 extends to the inside of the plug-in cavity 5;

[0024] When in use, the locking bolt 4 is arranged so as to lock the tool bar of the milling machine into the interior of the insertion cavity 5;

[0025] A tool holder 2 is installed at one end of the tool handle 1, and a tool head 3 is arranged at the end of the tool holder 2 away from the tool handle 1. The outer wall of the tool head 3 is provided with equally spaced teeth 301, and chip grooves 302 are arranged on the outer wall of the tool head 3 between adjacent teeth 301. The angle between adjacent teeth 301 is 60 degrees. There are six chip grooves 302, and the angle between adjacent chip grooves 302 is 60 degrees.

[0026] When in use, the chip removal groove 302 is provided to guide and discharge metal chips generated during the milling process;

[0027] A plug-in cavity 5 is provided on one side of the handle 1, one end of the plug-in cavity 5 extends to the outside of the handle 1, a damping vibration reduction mechanism 7 is provided on the other side of the handle 1, the damping vibration reduction mechanism 7 includes a placement cavity 701 and a mass block 702, a placement cavity 701 is provided on one side of the handle 1, and a mass block 702 is provided inside the placement cavity 701;

[0028] When in use, the placement cavity 701 is provided to place the mass block 702 and other related components;

[0029] The damping vibration reduction mechanism 7 includes an inner magnet 703 and a first eddy current damping plate 704. The inner magnets 703 are disposed inside the placement cavities 701 on both sides of the mass block 702. The first eddy current damping plate 704 is disposed on the outer wall of the inner magnet 703 away from the mass block 702.

[0030] When in use, the internal magnet 703 and the first eddy current damping sheet 704 are arranged to form a damping vibration reduction mechanism 7;

[0031] The damping vibration reduction mechanism 7 includes a second eddy current damping plate 705, and the second eddy current damping plate 705 is arranged on the outer wall of the first eddy current damping plate 704 away from the inner magnet 703;

[0032] When in use, the second eddy current damping sheet 705 is arranged to form a damping vibration reduction mechanism 7;

[0033] The damping vibration reduction mechanism 7 includes an external magnet 706, and the external magnet 706 is arranged on the outer wall of the second eddy current damping plate 705 away from the first eddy current damping plate 704;

[0034] When in use, the external magnet 706 is arranged to form a damping vibration reduction mechanism 7;

[0035] A spindle 6 is disposed inside the tool holder 2, one end of the spindle 6 extends into the interior of the mounting cavity 701 and is connected to the outer wall of an external magnet 706;

[0036] When in use, the mandrel 6 is arranged so that the damping and vibration reduction mechanism 7 can perform damping and vibration reduction on the cutter head 3 .

[0037] When the embodiment of the present application is used, the shank component of the milling machine is first inserted into the insertion cavity 5, and then the locking bolt 4 is screwed with the help of a tool, and one end of the locking bolt 4 passes through the shank 1 and is screwed into the shank, so that the milling cutter can be installed and connected. Then, six chip removal grooves 302 are arranged on the outer wall of the cutter head 3. When the cutter head 3 performs milling processing on a metal workpiece, metal debris can be guided out by the multiple chip removal grooves 302 to achieve the purpose of chip removal, and the multiple cutter teeth 301 are arranged so that the cutter head 3 can be used for the metal workpiece. The milling operation is performed on the workpiece, and finally a damping and vibration reduction mechanism 7 is formed by combining the part placement cavity 701, the mass block 702, the inner magnet 703, the first eddy current damping plate 704, the second eddy current damping plate 705 and the outer magnet 706. The mechanical energy received by the cutter head 3 can be converted into heat energy to realize the damping and vibration reduction function of the milling cutter, thereby reducing the vibration of the cutter head 3 and ensuring the milling accuracy of the milling cutter on the metal workpiece. Since the damping and vibration reduction mechanism 7 belongs to the prior art, it will not be described in detail, thereby completing the use of the milling cutter.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A damping vibration reduction milling cutter, characterized in that: The invention comprises a tool handle (1), wherein a tool seat (2) is installed at one end of the tool handle (1), a tool head (3) is arranged at the end of the tool seat (2) away from the tool handle (1), the outer wall of the tool head (3) is provided with equally spaced tool teeth (301), the outer wall of the tool head (3) between adjacent tool teeth (301) is provided with a chip removal groove (302), and the angle between adjacent tool teeth (301) is sixty degrees. An insert cavity (5) is arranged on one side of the inside of the tool handle (1), and one end of the insert cavity (5) extends to the outside of the tool handle (1), and a damping vibration reduction mechanism (7) is arranged on the other side of the inside of the tool handle (1).

2. A damping milling cutter according to claim 1, characterized in that: Locking bolts (4) are installed on the outer walls of both sides of the knife handle (1), and one end of the locking bolt (4) extends to the inside of the insertion cavity (5).

3. The damping milling cutter according to claim 1, characterized in that: Six chip removal grooves (302) are provided, and the included angle between adjacent chip removal grooves (302) is sixty degrees.

4. The damping vibration reduction milling cutter according to claim 1, characterized in that: The damping vibration reduction mechanism (7) comprises a placement cavity (701) and a mass block (702); the placement cavity (701) is arranged on one side inside the tool handle (1); and the mass block (702) is arranged inside the placement cavity (701).

5. A damping milling cutter according to claim 4, characterized in that: The damping vibration reduction mechanism (7) comprises an inner magnet (703) and a first eddy current damping plate (704); the inner magnets (703) are arranged inside the placement cavities (701) on both sides of the mass block (702); and the first eddy current damping plate (704) is arranged on the outer wall of the inner magnet (703) on the side away from the mass block (702).

6. A damping vibration reduction milling cutter according to claim 5, characterized in that: The damping vibration reduction mechanism (7) comprises a second eddy current damping plate (705), and the second eddy current damping plate (705) is arranged on the outer wall of the first eddy current damping plate (704) on the side away from the inner magnet (703).

7. A damping vibration reduction milling cutter according to claim 6, characterized in that: The damping vibration reduction mechanism (7) comprises an external magnet (706), and the external magnet (706) is arranged on the outer wall of the second eddy current damping plate (705) on the side away from the first eddy current damping plate (704).

8. The damping vibration reduction milling cutter according to claim 7, characterized in that: A spindle (6) is disposed inside the tool holder (2), and one end of the spindle (6) extends into the interior of the mounting cavity (701) and is connected to the outer wall of an external magnet (706).

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