Milling cutter for efficient milling

Abstract

The utility model discloses a milling cutter for efficient milling, which relates to the field of milling cutter equipment and comprises a cutter handle and a protective component, a cutter head is arranged at one end of the cutter handle, and the protective component is movably arranged on the cutter handle; the protection assembly comprises a rotating part and a protection cover, one end of the rotating part is of a disc-shaped structure and is rotationally connected with the outer wall of the knife handle, and the other end of the rotating part is of a cuboid block-shaped structure and is movably connected with the protection cover; a sliding groove is formed in the end, facing the protective cover, of the rotating piece, a telescopic plate is fixedly connected to the end, facing the rotating piece, of the protective cover, the telescopic plate is in sliding connection with the sliding groove in a matched mode, a limiting inserting hole is formed in the side wall of the end, close to the protective cover, of the telescopic plate, and a sliding groove is further formed in the rotating piece; the sliding grooves are vertically distributed, and inner sliding plates are installed in the sliding grooves in a sliding mode. The cutter head can be protected, so that a sharp cutting edge of the milling cutter can be kept, and the machining efficiency and the machining quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to milling cutter equipment field, concretely is a kind of milling cutter for high efficiency milling. BACKGROUND

[0002] Milling cutter is mainly used for processing plane, step, groove, forming surface and cutting workpiece on milling machine. It is rotary cutter with multiple teeth, and each tooth is equivalent to a lathe tool fixed on the rotary surface of milling cutter. During operation, each tooth cuts the excess of workpiece intermittently in turn. Currently, most milling cutters are exposed, and when not in use, they are placed on the workbench. The tool head lacks protection and is prone to rust and corrosion. It is also vulnerable to collision and external impact, which can cause damage and affect the quality of the tool head. During subsequent processing, the efficiency is reduced. Therefore, the inventor proposes a milling cutter for high efficiency milling. SUMMARY

[0003] Therefore, the utility model provides a kind of milling cutter for high efficiency milling to solve the technical problem that tool head lacks protection, is prone to rust and corrosion, and is vulnerable to collision and external impact, which can cause damage and affect the quality of the tool head. During subsequent processing, the efficiency is reduced.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of milling cutter for high efficiency milling, including handle, protection assembly, the one end of the handle has tool head, the protection assembly is movably arranged on handle;The protection assembly includes rotating part, protective cover, one end of the rotating part is disc-shaped structure, and is rotationally connected with the outer wall of handle, the other end is cuboid block structure, and is movably connected with protective cover;The inside of one end of the rotating part towards protective cover has sliding slot, the one end fixedly connected with telescopic plate towards rotating part of protective cover, the telescopic plate is slidably connected with sliding slot.

[0005] The utility model is further provided as follows: a limiting insertion hole is formed in the sidewall of one end of the telescopic plate close to the protective cover.

[0006] The utility model is further provided as follows: a sliding groove is further provided in the interior of the rotating part, the sliding groove is vertically distributed with the sliding slot, and an inner sliding plate is slidably installed in the sliding groove.

[0007] The utility model is further provided as follows: a pressing block is fixedly connected to the end of the inner sliding plate, the pressing block is exposed and arranged outside the rotating part, and is retracted into the sliding groove when pressed.

[0008] The utility model is further provided as follows: a spring is provided in the interior of the sliding groove, one end of the spring is fixedly connected to the inner wall of the sliding groove, and the other end is fixedly connected to the end of the inner sliding plate.

[0009] The utility model further sets up, the inside slide plate is close to spring's one side bottom fixed connection limit insert block.

[0010] The utility model further sets up, the limit insert block is L shape structure, and with limit insert hole adaptation inserts.

[0011] In conclusion, the utility model has the following beneficial effects: the utility model is protected by the setting of the protection assembly, can protect the tool bit, makes the milling cutter can keep sharp cutting edge, improves processing efficiency and processing quality, after the protection cover protects the tool bit, can reduce the replacement frequency of milling cutter, thereby reduces the cost and downtime of tool replacement, protects the tool bit and can reduce wear and tear, thereby prolongs the overall service life of the milling cutter, when not using the milling cutter, the tool bit is closed and protected, avoids impurities such as oil stains and dust from contacting the tool bit, thereby guaranteeing the use precision and safety of the milling cutter in the later period, reducing the cleaning and maintenance process of the milling cutter, can effectively protect the tool bit of the milling cutter, prolong the tool life, improve the processing efficiency and reduce the replacement cost, the protection cover can be adjusted and set, by rotating the replacement sleeve end, convenient operation, convenient to use, improve the use efficiency of the milling cutter, meet the processing demand. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of sitting state of the utility model;

[0013] Figure 2 It is the structure schematic diagram of expansion state of the protection assembly;

[0014] Figure 3 It is Figure 2 It is the enlarged structure schematic diagram of A in the middle;

[0015] Figure 4 It is the connecting structure schematic diagram of telescopic plate and rotating part;

[0016] Figure 5 It is the three-dimensional structure schematic diagram of inside slide plate.

[0017] In the drawing: 1, tool handle; 2, protection assembly; 3, protection cover; 4, rotating part; 5, tool bit; 6, telescopic plate; 7, pressing block; 8, inside slide plate; 9, spring; 10, sliding groove; 11, limit insert hole; 12, limit insert block. DETAILED DESCRIPTION

[0018] The technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings of the utility model embodiment. The embodiment described below is exemplary and is used for explaining the utility model, and can not be understood as limiting the utility model.

[0019] A kind of milling cutter for high-efficiency milling, such as Figures 1-4As shown, including the handle 1, the protective assembly 2, one end of the handle 1 has a tool bit 5, the protective assembly 2 is movably arranged on the handle 1;

[0020] The protective assembly 2 includes a rotating part 4, a protective cover 3, one end of the rotating part 4 is a disc-shaped structure, and is rotatably connected with the outer wall of the handle 1, the other end is a cuboid block structure, and is movably connected with the protective cover 3; the rotating part 4 has a sliding groove in the end portion towards the protective cover 3, the protective cover 3 is fixedly connected with a telescopic plate 6 at one end portion towards the rotating part 4, and the telescopic plate 6 is slidably connected with the sliding groove.

[0021] The telescopic plate 6 is provided with a limiting insertion hole 11 on the side wall of one end portion close to the protective cover 3.

[0022] Further, the rotating part 4 is further provided with a sliding groove 10, the sliding groove 10 is vertically distributed with the sliding groove, and an inner sliding plate 8 is slidably installed in the sliding groove 10. The end portion of the inner sliding plate 8 is fixedly connected with a pressing block 7, the pressing block 7 is exposed outside the rotating part 4, and is retracted into the sliding groove 10 when pressed. The sliding groove 10 has a spring 9 in the inside, one end of the spring 9 is fixedly connected with the inner wall of the sliding groove 10, and the other end is fixedly connected with the end portion of the inner sliding plate 8. The side bottom close to the spring 9 of the inner sliding plate 8 is fixedly connected with a limiting insertion block 12. When the milling cutter is not used, the tool bit is closed and protected, avoiding the contact of impurities such as oil stains and dust with the tool bit, so as to ensure the use precision and safety of the milling cutter in the later period, reduce the cleaning and maintenance process of the milling cutter, can effectively protect the tool bit of the milling cutter, and prolong the service life of the tool.

[0023] Further, the limiting insertion block 12 is an L-shaped structure, and is adaptively inserted into the limiting insertion hole 11.

[0024] The working principle of the utility model is: in use, the tool bit 5 is protected by the protective cover 3, the protective cover 3 is adaptively sleeved with the handle 1, when the tool bit 5 needs to be used, the pressing block 7 is pressed, the pressing block 7 slides into the inside of the sliding groove 10, the inner sliding plate 8 is forced to extrude the spring 9, the limiting insertion block 12 moves synchronously with the inner sliding plate 8, exits from the inside of the limiting insertion hole 11, and then the telescopic plate 6 can slide out from the inside of the rotating part 4, the protective cover 3 gradually moves away from the handle 1, then the protective cover 3 is rotated to the other end of the handle 1, and the protective cover 3 is pushed towards the handle 1 again, at this time, the telescopic plate 6 slides into the inside of the rotating part 4, until the limiting insertion hole 11 corresponds to the limiting insertion block 12 again, the spring 9 resets, the limiting insertion block 12 is inserted into the inside of the limiting insertion hole 11, the fixing of the telescopic plate 6 is completed, at this time, the protective cover 3 is sleeved and fixed with the tail portion of the handle 1, the tool bit 5 can be exposed for use, after use, the protective cover 3 is adjusted to the position of the tool bit 5 by reverse operation.

[0025] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A high efficiency milling cutter comprising a shank (1), a guard assembly (2), characterised in that: One end of the tool handle (1) is provided with a tool head (5), and the protection assembly (2) is movably arranged on the tool handle (1); The protection assembly (2) comprises a rotating part (4) and a protective cover (3), one end of the rotating part (4) is in a disc shape and is rotationally connected with the outer wall of the tool handle (1), and the other end is in a cuboid block shape and is movably connected with the protective cover (3); The end of the rotating part (4) towards the protective cover (3) is internally provided with a sliding groove, one end of the protective cover (3) towards the rotating part (4) is fixedly connected with a telescopic plate (6), and the telescopic plate (6) is slidably connected with the sliding groove.

2. The high efficiency milling cutter of claim 1 wherein: The end of the telescopic plate (6) close to the protective cover (3) is provided with a limiting insertion hole (11) in the side wall.

3. The high efficiency milling cutter of claim 1 wherein: The rotating part (4) is further provided with a sliding groove (10) in the inside, the sliding groove (10) is vertically distributed with the sliding groove, and the sliding groove (10) is slidably installed with an inner sliding plate (8).

4. The high efficiency milling cutter of claim 3 wherein: The end of the inner sliding plate (8) is fixedly connected with a pressing block (7), the pressing block (7) is arranged to be exposed outside the rotating part (4) and is inwards retracted into the sliding groove (10) when pressed.

5. The high efficiency milling cutter of claim 4 wherein: The inside of the sliding groove (10) is provided with a spring (9), one end of the spring (9) is fixedly connected with the inner wall of the sliding groove (10), and the other end is fixedly connected with the end of the inner sliding plate (8).

6. The high efficiency milling cutter of claim 5 wherein: The side bottom of the inner sliding plate (8) close to the spring (9) is fixedly connected with a limiting insertion block (12).

7. The high efficiency milling cutter of claim 6 wherein: The limiting insertion block (12) is in an L shape and is adaptively inserted with the limiting insertion hole (11).

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