High-speed milling cutter for cutting hard alloy

Abstract

The utility model belongs to the technical field of milling cutters, particularly relates to a high-speed milling cutter for cutting hard alloy, and aims to solve the problem that an existing oil storage cavity affects a milling cutter body, the high-speed milling cutter comprises a clamping rod, a fixing block is fixed below the clamping rod, and the bottom end of the fixing block is connected with a cutter bar. The limiting pipe is screwed to slide along the circulating pipe, is in threaded connection with the through hole and is fixed to the lantern ring, so that the limiting pipe and the through hole are connected into a whole, lubricating oil in the containing box is conveniently guided into the lantern ring, the lantern ring is rotationally connected with the fixing block through a clamping groove, and the limiting pipe is screwed to be in threaded connection with the through hole and is fixed to the lantern ring. And when the milling cutter works, the fixing block rotates, so that lubricating oil enters when the circulating groove corresponds to the through hole, penetrates through the milling cutter through the connecting groove and flows out of the reserved hole of the cutter head, the hardness of the milling cutter is kept, and the lubricating oil can be continuously supplied to achieve the lubricating and heat dissipation effects.

Description

TECHNICAL FIELD

[0001] The utility model relates to a milling cutter for cutting hard alloy, and particularly to a high-speed milling cutter for cutting hard alloy, belonging to the technical field of milling cutters. BACKGROUND

[0002] Hard alloy milling cutter refers to a milling cutter made of hard alloy. Since the hardness of ordinary milling cutters often fails to meet the standard of cutting materials, most of them are currently made of a part of alloy blocks. Since hard alloy is mainly composed of micron-level powder of high-hardness refractory metal carbide (WC, TiC) and is sintered in a vacuum furnace or a hydrogen reduction furnace with cobalt (Co) or nickel (Ni) and molybdenum (Mo) as binders, it is a powder metallurgy product and is mainly used in numerical control machining centers, cnc engraving machines, and can also be installed on ordinary milling machines to process some relatively hard and uncomplicated heat-treated materials.

[0003] In the prior art, such as the high-speed cutting hard alloy milling cutter disclosed in the announcement No. CN217121885U, the installation and fixation between the milling cutter body and the mounting sleeve are completed, then the sealing plug is opened, the lubricating oil is injected into the inside of the oil injection port, the lubricating oil enters the inside of the oil storage cavity along the oil injection port, the storage space in the inside of the oil storage cavity is large and can store a large amount of oil, after a certain amount is added, the injection is stopped, and the sealing plug is plugged in the opening of the oil injection port and cooperates with the sealing ring to play a sealing and dustproof role.

[0004] However, in the implementation of the related technology, it is found that the above-mentioned high-speed cutting hard alloy milling cutter has the following problems: although the cooperation of the oil storage cavity and other components can achieve the lubrication effect in the prior art, in the actual use process, the oil storage cavity is arranged in the inside of the milling cutter, if the oil storage cavity is large, it will affect the hardness of the milling cutter, and if the oil storage cavity is small, the amount of lubricating oil is small, and it is troublesome to fill it constantly. In view of this, a high-speed milling cutter for cutting hard alloy is provided to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0005] The utility model discloses a high-speed milling cutter for cutting hard alloy to solve the technical problem that if the oil storage cavity is large, it will affect the hardness of the milling cutter, and if the oil storage cavity is small, the amount of lubricating oil is small, and it is troublesome to fill it constantly.

[0006] The utility model discloses a high-speed milling cutter for cutting hard alloy to solve the technical problem that if the oil storage cavity is large, it will affect the hardness of the milling cutter, and if the oil storage cavity is small, the amount of lubricating oil is small, and it is troublesome to fill it constantly.

[0007] The flow mechanism comprises a sleeve ring, the sleeve ring is sleeved on the outside of the fixed block, a clamping groove is formed in the inner wall of the sleeve ring and corresponds to the position of the fixed block, a through hole is formed in the outer wall of the sleeve ring, a limiting pipe is inserted into the through hole, a flow pipe is rotatably connected to the end of the limiting pipe away from the through hole, and a storage box is inserted into the other end of the flow pipe, a flow groove is formed in the inner wall of the fixed block, and a connecting groove is formed in the inner bottom end of the flow groove.

[0008] As a further scheme of the utility model, the sleeve ring and the fixed block form a rotating structure, and the fixed block is closely attached to the sleeve ring.

[0009] As a further scheme of the utility model, the limiting pipe is screw-connected with the sleeve ring, and the limiting pipe and the flow pipe form a rotating structure.

[0010] As a further scheme of the utility model, the outer wall of the storage box is fixedly provided with a mounting plate, and the upper portion of the storage box is provided with a supply mechanism.

[0011] As a further scheme of the utility model, the supply mechanism comprises an electric cylinder, the electric cylinder is embedded in the top end of the storage box, a pushing plate is connected to the power output end of the electric cylinder, and a rubber pad is connected to the bottom end of the pushing plate.

[0012] As a further scheme of the utility model, the supply mechanism further comprises a guide block, the guide block is embedded in the inner bottom end of the storage box, a pressure-sensitive sensing device is embedded in the inner portion of the guide block, and a threaded block is inserted into the other side of the outer wall of the storage box.

[0013] As a further scheme of the utility model, the pushing plate is adhesively connected with the rubber pad, and the pushing plate forms a sliding structure with the storage box through the electric cylinder.

[0014] The utility model discloses a beneficial effect is: twist the limiting pipe and slide along the flow pipe and the through hole screw connection and sleeve ring fixed, thereby being integrated and being convenient for guiding the lubricating oil in the storage box to enter the sleeve ring, the sleeve ring is rotatably connected with the fixed block through the clamping groove, so that the sleeve ring is not affected by the rotation of the milling cutter, and the storage box is limited from appearing, the fixed block rotates when the milling cutter works, so that the lubricating oil enters the flow groove and the through hole when the flow groove corresponds to the through hole, the lubricating oil penetrates the milling cutter through the connecting groove and flows out from the reserved hole of the cutter head, the hardness of the milling cutter is maintained, and the lubricating oil can be continuously supplied to play the lubricating and heat dissipation effects.

[0015] The pushing plate drives the rubber pad to slide through the electric cylinder, so that the lubricating oil flows through the flow mechanism, the lubricating oil is prevented from not flowing, the lubricating oil is conveniently guided to flow through the guide block, when the rubber pad and the guide block are attached, the pressure-sensitive sensing device senses, signals the machine tool control end, and reminds the staff to supplement the lubricating oil, and the threaded block is convenient for disassembling and assembling to inject the lubricating oil into the storage box. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the whole structure schematic view of the utility model;

[0017] Fig. 2 It is the fixed block structure schematic view of the utility model;

[0018] Fig. 3 It is the sleeve ring structure schematic view of the utility model;

[0019] Fig. 4 It is the rubber pad structure schematic view of the utility model.

[0020] In the figure: 1, clamping rod;2, fixed block;3, cutter bar;4, cutter head;5, flow mechanism;501, sleeve ring;502, clamping groove;503, through hole;504, limiting tube;505, flow tube;506, storage box;507, flow groove;508, connecting groove;6, mounting plate;7, supply mechanism;701, electric cylinder;702, push plate;703, rubber pad;704, guide block;705, pressure sensing sensor device;706, threaded block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment one

[0022] As Figs. 1 to 4As shown, a high-speed milling cutter for cutting hard alloy includes a clamping rod 1, a fixed block 2 is fixed below the clamping rod 1, a cutter bar 3 is connected to the bottom end of the fixed block 2, a cutter head 4 is fixed below the cutter bar 3, and a circulation mechanism 5 is arranged outside the fixed block 2; the circulation mechanism 5 includes a sleeve ring 501, the sleeve ring 501 is sleeved outside the fixed block 2, a clamping groove 502 is formed in the inner wall of the sleeve ring 501 corresponding to the position of the fixed block 2, a through hole 503 is formed in the outer wall of the sleeve ring 501, a limiting tube 504 is inserted into the through hole 503, a circulation tube 505 is rotatably connected to the end of the limiting tube 504 away from the through hole 503, a storage box 506 is inserted into the other end of the circulation tube 505, a circulation groove 507 is formed in the inner wall of the fixed block 2, a connecting groove 508 is formed in the inner bottom end of the circulation groove 507, a rotating structure is formed between the sleeve ring 501 and the fixed block 2, the fixed block 2 is closely attached to the sleeve ring 501, the limiting tube 504 is threadedly connected to the sleeve ring 501, and a rotating structure is formed between the limiting tube 504 and the circulation tube 505; the limiting tube 504 is screwed along the circulation tube 505 to slide and is threadedly connected to the through hole 503 and the sleeve ring 501, so as to be integrated to facilitate guiding the lubricating oil in the storage box 506 to enter the sleeve ring 501, the sleeve ring 501 is rotatably connected to the fixed block 2 through the clamping groove 502, so as to avoid affecting the sleeve ring 501 when the milling cutter rotates, causing the storage box 506 to be limited, and the fixed block 2 rotates when the milling cutter works, so that the lubricating oil enters when the circulation groove 507 corresponds to the through hole 503, penetrates the milling cutter through the connecting groove 508, and flows out from the reserved hole of the cutter head 4, thereby maintaining the hardness of the milling cutter and continuously supplying lubricating oil to play the lubricating and heat dissipation effects. Example two

[0023] In addition to including all the technical features in example one, the embodiment includes that the outer wall of the storage box 506 is fixed with a mounting plate 6 on one side, a supply mechanism 7 is arranged above the storage box 506, the supply mechanism 7 includes an electric cylinder 701, the electric cylinder 701 is embedded in the top end of the storage box 506, a pushing plate 702 is connected to the power output end of the electric cylinder 701, a rubber pad 703 is connected to the bottom end of the pushing plate 702, the supply mechanism 7 further includes a guide block 704, the guide block 704 is embedded in the inner bottom end of the storage box 506, a pressure sensing sensor device 705 is embedded in the inner part of the guide block 704, a threaded block 706 is inserted into the other side of the outer wall of the storage box 506, the pushing plate 702 is adhesively connected to the rubber pad 703, and a sliding structure is formed between the pushing plate 702 and the storage box 506 through the electric cylinder 701; the pushing plate 702 drives the rubber pad 703 to slide through the electric cylinder 701, so as to push the lubricating oil to circulate through the circulation mechanism 5, avoid the lubricating oil from not circulating, and facilitate guiding the lubricating oil to circulate through the guide block 704, when the rubber pad 703 and the guide block 704 are attached, the pressure sensing sensor device 705 senses and sends a signal to the machine tool control end to remind the staff to supplement the lubricating oil, and the threaded block 706 facilitates disassembly and assembly for injecting the lubricating oil into the storage box 506.

[0024] Working principle: the clamping rod 1, the fixed block 2, the cutter bar 3 and the cutter head 4 are an integral type milling cutter body, the clamping rod 1 is used for connecting with the clamping end of the machine tool, the sleeve ring 501 is screwed through the through hole 503 and the limiting tube 504, the limiting tube 504 is clamped and connected with the flow tube 505, the sleeve ring 501 is disassembled and assembled, the milling cutter body is replaced, the internal lubricating liquid of the storage box 506 enters the sleeve ring 501 through the flow tube 505, the limiting tube 504 and the through hole 503, enters the flow groove 507 through the connecting groove 508 and penetrates the whole milling cutter body, flows out from the reserved hole at the bottom end of the cutter head 4, plays a lubricating and heat dissipation effect, is rotatably connected with the fixed block 2 through the clamping groove 502 of the sleeve ring 501, avoids affecting the storage box 506 when the milling cutter body rotates, the storage box 506 can be fixed with the machine tool through the mounting plate 6 and the bolt, the push plate 702 pushes the rubber pad 703 to slide along the storage box 506 through the electric cylinder 701, so as to push and supplement the lubricating oil into the flow groove 507, and the rubber pad 703 has sealing property, the guide block 704 is convenient for guiding the lubricating oil to flow, when the rubber pad 703 and the guide block 704 are attached, the pressure sensing sensing device 705 senses the pressure of the rubber pad 703, so as to connect the signal with the control end of the machine tool, and remind the staff to supplement the lubricating oil in time by unscrewing the threaded block 706.

[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A high speed milling cutter for cutting cemented carbide, comprising a holder shank (1), characterised in that: The lower part of the clamping rod (1) is fixed with a fixed block (2), and the bottom end of the fixed block (2) is connected with a cutter bar (3), the lower part of the cutter bar (3) is fixed with a cutter head (4), the outside of the fixed block (2) is provided with a circulation mechanism (5); The circulation mechanism (5) comprises a sleeve ring (501), the sleeve ring (501) is sleeved on the outside of the fixed block (2), and the inner wall of the sleeve ring (501) is provided with a clamping groove (502) corresponding to the position of the fixed block (2), the outer wall of the sleeve ring (501) is provided with a through hole (503), and the inside of the through hole (503) penetrates out of a limiting pipe (504), the end of the limiting pipe (504) away from the through hole (503) is rotatably connected with a circulation pipe (505), and the other end of the circulation pipe (505) penetrates into a storage box (506), the inner wall of the fixed block (2) is provided with a circulation groove (507), and the inside of the circulation groove (507) is provided with a connecting groove (508).

2. A high speed milling cutter for cutting cemented carbide according to claim 1, characterized in that: The sleeve ring (501) and the fixed block (2) form a rotating structure, and the fixed block (2) and the sleeve ring (501) are closely attached.

3. A high speed milling cutter for cutting cemented carbide according to claim 1, characterized in that: The limiting pipe (504) and the sleeve ring (501) are screw connected, and the limiting pipe (504) and the circulation pipe (505) form a rotating structure.

4. A high speed milling cutter for cutting cemented carbide according to claim 1, characterized in that: The outer wall of the storage box (506) is fixed with a mounting plate (6), and the upper part of the storage box (506) is provided with a supply mechanism (7).

5. A high speed milling cutter for cutting cemented carbide according to claim 4, characterized in that: The supply mechanism (7) comprises an electric cylinder (701), the electric cylinder (701) is embedded in the top end of the storage box (506), and the power output end of the electric cylinder (701) is connected with a push plate (702), the bottom end of the push plate (702) is connected with a rubber pad (703).

6. A high speed milling cutter for cutting cemented carbide according to claim 4, characterized in that: The supply mechanism (7) further comprises a guide block (704), the guide block (704) is embedded in the inside bottom end of the storage box (506), and the inside of the guide block (704) is embedded with a pressure sensing sensor device (705), the other side of the outer wall of the storage box (506) penetrates into a threaded block (706).

7. A high speed milling cutter for cutting cemented carbide according to claim 5, characterized in that: The push plate (702) and the rubber pad (703) are adhesively connected, and the push plate (702) forms a sliding structure between the electric cylinder (701) and the storage box (506).

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