Milling cutter head capable of rapidly cooling

Abstract

The utility model provides a milling cutter head capable of rapidly cooling. The milling cutter head comprises a milling cutter, the milling cutter is composed of a cutter head and a drill rod, a mounting head is arranged at the upper end of the drill rod, a threaded rod is arranged at the bottom end of the drill rod, a threaded cylinder is arranged at the upper end of the cutter head, the threaded rod is rotatably mounted in the threaded cylinder, and a heat conduction metal rod is arranged in the middle of the interior of the drill rod and embedded into the drill rod. The heat conduction metal rod is arranged in the middle of the drill rod, the bottom end of the heat conduction metal rod makes contact with the tool bit, the heat conduction metal rod is arranged in the middle of the drill rod, the bottom end of the heat conduction metal rod makes contact with the interior of the tool bit, heat dissipation fins are arranged at the upper middle end of the drill rod, and the heat dissipation fins and the drill rod are integrally arranged. The whole milling cutter does not need to be replaced, so that the use cost is reduced, heat generated by the cutter head can be quickly conducted to the drill rod through the heat conduction metal rod, then heat dispersion is achieved, and the heat dissipation area of the drill rod is increased through the heat dissipation fins.

Description

TECHNICAL FIELD

[0001] The utility model relates to milling cutter technical field especially relates to a kind of milling cutter head that can be rapidly cooled. BACKGROUND

[0002] Milling cutter is the rotary cutter for milling machining, with one or more cutter teeth. When working, each cutter tooth cuts off the excess of workpiece intermittently. Milling cutter is mainly used for machining plane, step, groove, shaped surface and cutting off workpiece on milling machine, and T-shaped milling cutter is a kind of milling cutter.

[0003] Chinese patent No. 201921881894.4 discloses a heat dissipation type blade milling cutter, which comprises a first connecting body, a fixed frame is threadedly connected to the bottom of the first connecting body, and the bottom of the first connecting body penetrates through the top of the fixed frame and extends into the interior of the fixed frame, a connecting block is fixedly connected to the bottom of the first connecting body extending into the interior of the fixed frame, and a second connecting body is threadedly connected to the surface of the connecting block through a clamping groove.

[0004] The above technical solution needs to be replaced as a whole when replacing the milling cutter, and the worn drill rod cannot be used continuously. The cooling method by throwing out cooling liquid has high requirements for working environment and is prone to cause the phenomenon of splashing of cooling liquid. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of milling cutter head that can be rapidly cooled, and the technical problems of prior art are solved, which is described as follows: the threaded connection between threaded cylinder and threaded rod, when the cutter head wears, it can be conveniently replaced without replacing the entire milling cutter, thereby reducing the use cost, the heat conduction metal rod can guide heat to drill rod, the heat is quickly guided to air by heat dissipation fin, solve the problem that when replacing milling cutter, it needs to be replaced as a whole, the worn drill rod cannot be used continuously, cooling by throwing out cooling liquid has high requirements for working environment, and is prone to cause the phenomenon of splashing of cooling liquid.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of milling cutter head that can be rapidly cooled, including milling cutter;The milling cutter is composed of cutter head and drill rod, the drill rod upper end position is provided with installation head, the drill rod bottom end is provided with threaded rod, the cutter head upper end is provided with threaded cylinder, the threaded cylinder and cutter head are integrally arranged, the threaded rod and drill rod are integrally arranged, the threaded rod is rotatably installed in threaded cylinder interior, the drill rod interior middle position is provided with heat conduction metal rod, the heat conduction metal rod is embedded in drill rod interior, the heat conduction metal rod bottom end position is in contact with cutter head, the drill rod middle is provided with heat conduction metal rod, the heat conduction metal rod is embedded in drill rod interior, the heat conduction metal rod bottom end is in contact with cutter head interior, the drill rod middle upper end position is provided with heat dissipation fin, the heat dissipation fin and drill rod are integrally arranged.

[0007] Further, the bottom end of the threaded rod is provided with a circular truncated cone type head, which is integrally arranged with the threaded rod.

[0008] Further, anaerobic anti-loosening glue is coated between the outer thread of the threaded rod and the inner thread of the threaded cylinder.

[0009] Further, a heat-dissipating wear-resistant coating is arranged outside the drill head, which is attached to the outside of the drill head.

[0010] Further, the heat-dissipating wear-resistant coating is a copper-based alloy coating or a ceramic-based heat-dissipating wear-resistant coating.

[0011] Further, a flat groove is arranged at the middle position of the drill rod.

[0012] Further, a corrosion-resistant layer is arranged on the outer surface of the drill rod, which is one of a chromium nitride layer, a chromium plating layer or a diamond-like coating layer.

[0013] Further, the heat-conducting metal rod is one of a graphene-copper composite rod or a silver column.

[0014] Further, a soft metal pad is arranged on the upper side of the threaded rod below the drill rod, which is sleeved on the upper side of the threaded rod, and is one of an aluminum alloy gasket or a low-carbon steel gasket.

[0015] The utility model discloses the beneficial effect lies in:

[0016] 1. When the drill head is worn, it can be conveniently replaced without replacing the entire milling cutter, thereby reducing the use cost, the heat-conducting metal rod has good heat-conducting performance, can rapidly conduct the heat generated by the drill head to the drill rod, and then disperses the heat, the heat-dissipating fins increase the heat-dissipating area of the drill rod, can increase the contact area with air when rotating at high speed, so that the heat can be more quickly dissipated to the surrounding environment, effectively reduces the temperature of the milling cutter, and improves the service life and machining precision of the milling cutter.

[0017] 2. The drill head is attached with a heat-dissipating wear-resistant coating, the drill head directly contacts the workpiece when the milling cutter is working, will be subjected to severe friction and wear, and a large amount of heat will also be generated, the heat-dissipating wear-resistant coating can effectively reduce the friction coefficient between the drill head and the workpiece, reduce the wear degree, and prolong the service life of the drill head, in addition, the coating also has good heat-dissipating performance, can rapidly dissipate the heat generated by the drill head, and further reduce the temperature of the drill head. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 Figure 1 is a structural schematic diagram of a drill rod of the present application;

[0020] Figure 3 Figure 1 is a structural schematic diagram of a drill rod of the present application;

[0021] Figure 4 Figure 1 is a structural schematic diagram of a drill rod of the present application.

[0022] The signs in the drawings are: 1, milling cutter; 2, heat dissipation fin; 3, threaded cylinder; 4, tool bit; 5, flat groove; 6, mounting head; 7, drill rod; 8, round table type head; 9, threaded rod; 10, soft metal pad; 11, heat-conducting metal rod; 12, corrosion-resistant layer; 13, heat-dissipation wear-resistant coating. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "two or more" is two or more, unless otherwise specifically limited.

[0025] Embodiment one

[0026] As Figures 1-4As shown, the embodiment provides a milling cutter head that can quickly cool down, comprising a milling cutter 1; the milling cutter 1 is composed of a cutter head 4 and a drill rod 7, the upper end of the drill rod 7 is provided with a mounting head 6, the bottom end of the drill rod 7 is provided with a threaded rod 9, the upper end of the cutter head 4 is provided with a threaded cylinder 3, the threaded cylinder 3 and the cutter head 4 are integrally arranged, the threaded rod 9 and the drill rod 7 are integrally arranged, the threaded rod 9 is rotatably installed in the threaded cylinder 3, the middle position of the inside of the drill rod 7 is provided with a heat-conducting metal rod 11, the heat-conducting metal rod 11 is embedded in the inside of the drill rod 7, the bottom end position of the heat-conducting metal rod 11 contacts the cutter head 4, the middle of the drill rod 7 is provided with the heat-conducting metal rod 11, the heat-conducting metal rod 11 is embedded in the inside of the drill rod 7, the bottom end of the heat-conducting metal rod 11 contacts the inside of the cutter head 4, the middle upper end of the drill rod 7 is provided with a heat dissipation fin 2, and the heat dissipation fin 2 and the drill rod 7 are integrally arranged.

[0027] Preferably, the bottom end of the threaded rod 9 is provided with a circular truncated cone type head 8, the circular truncated cone type head 8 and the threaded rod 9 are integrally arranged, when the threaded rod 9 is screwed into the threaded cylinder 3, the circular truncated cone type head 8 can reduce the caliber of the front end of the threaded rod 9, play a guiding role, and enable the threaded rod 9 to more accurately enter the threaded cylinder 3, thereby ensuring the installation position accuracy of the cutter head 4 and the drill rod 7.

[0028] Preferably, the outer side of the threaded rod 9 and the inner side of the threaded cylinder 3 are coated with anaerobic anti-loosening glue, when the threaded rod 9 and the threaded cylinder 3 are tightened, the gap between the threads is filled with anti-loosening glue, since the space between the threads is in an oxygen-deficient environment, the anti-loosening glue will gradually solidify, thereby firmly bonding the threaded rod 9 and the threaded cylinder 3 together, which can prevent loosening between the threaded rod 9 and the threaded cylinder 3 during the high-speed rotation and vibration of the milling cutter 1, and ensure the reliability of the connection between the cutter head 4 and the drill rod 7.

[0029] Preferably, the outer side of the cutter head 4 is provided with a heat-dissipation wear-resistant coating 13, the heat-dissipation wear-resistant coating 13 is attached to the outer side of the cutter head 4, the outer side of the cutter head 4 is attached with the heat-dissipation wear-resistant coating 13, during the operation of the milling cutter 1, the cutter head 4 directly contacts the workpiece and will be subjected to severe friction and wear, and will also generate a large amount of heat, the heat-dissipation wear-resistant coating 13 can effectively reduce the friction coefficient between the cutter head 4 and the workpiece, reduce the degree of wear, and prolong the service life of the cutter head 4, in addition, the coating also has good heat dissipation performance, can quickly dissipate the heat generated by the cutter head 4, and further reduce the temperature of the cutter head 4.

[0030] Preferably, the heat-dissipating wear-resistant coating 13 is provided as a copper-based alloy coating or a ceramic-based heat-dissipating wear-resistant coating. The copper-based alloy used in the heat-dissipating wear-resistant coating 13 has good thermal conductivity, which can quickly conduct the heat of the tool bit 4 away. In addition, the copper-based alloy has certain wear resistance, which can protect the tool bit 4. The ceramic-based heat-dissipating wear-resistant coating has high hardness, high temperature resistance, wear resistance, and other characteristics, which can withstand the high temperature and wear generated by the tool bit 4 during high-speed cutting. In addition, the ceramic material has good thermal stability, which helps the tool bit 4 to maintain good cutting performance.

[0031] Preferably, a flat groove 5 is provided at the middle position of the drill rod 7. The flat groove 5 facilitates clamping by the staff, thereby facilitating the fixation of the drill rod 7 and the installation and fixation of the tool bit 4.

[0032] Preferably, a corrosion-resistant layer 12 is provided on the outer surface of the drill rod 7. The corrosion-resistant layer 12 is provided as one of chromium nitride, chrome plating, or diamond-like carbon coating. During the operation of the milling cutter 1, it may come into contact with various corrosive media, such as chemical components in cutting fluid and rust on the surface of workpieces. The corrosion-resistant layer 12 can form a protective film on the surface of the drill rod 7, preventing corrosive media from directly contacting the drill rod 7 substrate, thereby preventing the drill rod 7 from being corroded and prolonging the service life of the drill rod 7. Different corrosion-resistant layer 12 materials have different characteristics. For example, chromium nitride coating has high hardness and good wear resistance; chrome plating has good corrosion resistance and decorative properties; and diamond-like carbon coating has low friction coefficient, high hardness, and good chemical stability.

[0033] Preferably, the heat-conducting metal rod 11 is one of a graphene-copper composite rod or a silver column. The graphene-copper composite rod combines the excellent thermal conductivity of graphene and the good electrical conductivity and processing performance of copper. Graphene has extremely high thermal conductivity and can quickly conduct heat, while copper provides the composite material with certain strength and toughness. Silver column is a pure metal material, and silver has extremely high thermal conductivity, which is one of the best materials for thermal conductivity among all metals, which can quickly conduct the heat of the tool bit 4 away and effectively reduce the temperature of the milling cutter 1.

[0034] Preferably, a soft metal pad 10 is arranged at the lower side of the drill rod 7 and the upper side of the threaded rod 9, the soft metal pad 10 is sleeved on the upper side of the threaded rod 9, the soft metal pad 10 is one of an aluminum alloy pad or a low-carbon steel pad, the soft metal pad 10 realizes multiple functions through material characteristics and mechanical response, when the pre-tightening force acts, the aluminum alloy or the low-carbon steel pad produces plastic deformation due to the lower hardness than the threaded rod 9, converts the line contact of the threaded pair into surface contact, effectively disperses local stress and enhances friction self-locking, under alternating load, the soft metal pad 10 continuously deforms to compensate for the threaded geometric error, suppresses vibration and improves contact stiffness, the difference in material thermal expansion coefficient causes the pad to produce dynamic pre-tightening force adjustment when the temperature changes, forms a self-adaptive anti-loose mechanism, and the soft metal pad 10 is preferentially abraded, so that the service life of the threaded rod 9 can be prolonged.

[0035] Working steps

[0036] In use, the milling cutter 1 is composed of the cutter head 4 and the drill rod 7, and the two are connected in a threaded manner through the threaded rod 9 and the threaded cylinder 3, the connection facilitates the installation and removal of the cutter head 4, and when the cutter head 4 is worn, it can be conveniently replaced without replacing the entire milling cutter 1, thereby reducing the use cost, the threaded cylinder 3 and the cutter head 4, the threaded rod 9 and the drill rod 7 are integrally arranged, thereby ensuring the stability of the connection and the integrity of the structure, and enhancing the strength and reliability of the milling cutter 1 during work, the milling cutter 1 is installed on the upper side of the mechanical equipment through the mounting head 6, the heat-conducting metal rod 11 is embedded in the middle position of the inside of the drill rod 7, and the bottom end thereof is in contact with the cutter head 4, when the milling cutter 1 works, the cutter head 4 will be rubbed with the workpiece violently to generate a large amount of heat, the heat-conducting metal rod 11 has good heat conduction performance and can rapidly conduct the heat generated by the cutter head 4 to the drill rod 7, thereby achieving heat dispersion, and the heat dissipation fins 2 increase the heat dissipation area of the drill rod 7, when rotating at high speed, the heat dissipation fins 2 can increase the contact area with air, so that the heat can be more quickly dissipated to the surrounding environment, effectively reducing the temperature of the milling cutter 1 and improving the service life and machining precision of the milling cutter 1.

[0037] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A milling cutter head capable of rapid cooling, comprising a milling cutter (1); characterized in that: The milling cutter (1) is composed of a cutter head (4) and a drill rod (7), the upper end of the drill rod (7) is provided with a mounting head (6), the bottom end of the drill rod (7) is provided with a threaded rod (9), the upper end of the cutter head (4) is provided with a threaded cylinder (3), the threaded cylinder (3) and the cutter head (4) are integrally arranged, the threaded rod (9) and the drill rod (7) are integrally arranged, the threaded rod (9) is rotatably arranged in the threaded cylinder (3), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod (11) is embedded in the drill rod (7), the bottom end of the heat-conducting metal rod (11) is in contact with the cutter head (4), the middle of the drill rod (7) is provided with a heat-conducting metal rod (11), the heat-conducting metal rod ( 2. The quick-cooling milling cutter head of claim 1, wherein, ​ 3. The quick-cooling milling cutter head of claim 1, wherein, ​ 4. The quick-cooling milling cutter head of claim 1, wherein, ​ 5. The quick-cooling milling cutter head of claim 4, wherein, ​ 6. The quick-cooling milling cutter head of claim 1, wherein, ​ 7. The quick-cooling milling cutter head of claim 1, wherein, ​ 8. The quick-cooling milling cutter head of claim 1, wherein, ​ 9. The quick-cooling milling cutter head of claim 1, wherein, ​

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