CN215587962U

CN215587962U - Disc milling cutter

Info

Publication number: CN215587962U
Application number: CN202121748544.8U
Authority: CN
Inventors: 王前
Original assignee: Dongguan Shenghong Cnc Technology Co ltd
Current assignee: Dongguan Shenghong Cnc Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-21
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a disc milling cutter, which belongs to the technical field of milling cutters and comprises a milling cutter disc and a rotating rack, wherein the disc milling cutter also comprises a liquid inlet pipe, a liquid containing cavity and an elastic plugging piece, wherein the liquid inlet pipe is fixedly arranged in the rotating rack and used for inputting cutting fluid into the milling cutter disc, the liquid containing cavity is arranged in the milling cutter disc, one end of the liquid inlet pipe is communicated with the liquid inlet pipe and comprises a liquid outlet pipe, the liquid outlet pipe is annularly arranged on the surface of the milling cutter disc and used for outputting the cutting fluid outwards from the liquid containing cavity, and the elastic plugging piece is movably arranged in the liquid containing cavity and is in sliding fit with the liquid outlet pipe and used for controlling the flow of the cutting fluid output by the liquid outlet pipe along with the rotation of the milling cutter disc. According to the milling cutter, the liquid containing cavity and the elastic plugging piece are arranged in the milling cutter, so that the elastic plugging piece can be driven to slide by rotation while a workpiece is machined, the flow rate of chip liquid sprayed outwards from the liquid containing cavity is controlled, the chip liquid spraying effect is improved, and the milling cutter has the function of automatically starting and stopping along with rotation.

Description

Disc milling cutter

Technical Field

The utility model belongs to the technical field of milling cutters, and particularly relates to a disc milling cutter.

Background

The milling cutter is a rotary cutter used for milling and provided with one or more cutter teeth, the cutter teeth cut off the allowance of a workpiece intermittently in sequence during working, the milling cutter is mainly used for processes of milling an upper plane, steps, grooves, processing a formed surface, cutting off the workpiece and the like, and can be divided into a cylindrical milling cutter, a face milling cutter, an end milling cutter, a face milling cutter, an angle milling cutter, a saw blade milling cutter, a die milling cutter, a gear milling cutter, a thread milling cutter and the like according to functions.

Disc milling cutters are widely used in machining as a face milling cutter, and when the milling cutter performs a cutting operation, it is necessary to continuously spray a cutting fluid to a cutter head to prevent the cutter head from being worn due to overheating.

The chip liquid supply device of the existing disc milling cutter is usually pouring type liquid supply, which is not only easy to waste but also not easy to enter when part of inner holes are milled.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, an object of the embodiments of the present invention is to provide a disc milling cutter, so as to solve the problems in the background art described above.

In order to achieve the purpose, the utility model provides the following technical scheme:

disc milling cutter, including facing cutter and rotating frame, disc milling cutter still includes:

the liquid inlet pipe is fixedly arranged inside the rotating frame and used for inputting chip liquid into the milling cutter disc;

the liquid containing cavity is arranged inside the milling cutter disc, and one end of the liquid containing cavity is communicated with the liquid inlet pipe;

the liquid outlet pipe is annularly arranged on the surface of the milling cutter disc and used for outputting cutting fluid outwards from the fluid containing cavity; and

and the elastic plugging piece is movably arranged in the liquid containing cavity, is in sliding fit with the liquid outlet pipe and is used for controlling the flow of the chip liquid output by the liquid outlet pipe along with the rotation of the milling cutter head.

As a further scheme of the utility model, a plurality of tool rests are arranged on the outer side of the milling cutter disc, and milling cutters are assembled on the tool rests.

As a further scheme of the utility model, a buffer cavity is arranged between the liquid containing cavity and the liquid inlet pipe, and one end of the liquid inlet pipe is connected with the buffer cavity in a sealing and rotating way.

As a further aspect of the present invention, the liquid outlet pipe includes:

the slotted hole is formed in the surface of the milling cutter disc, and the tail end of the slotted hole faces one side of the milling cutter; and

the inner sliding groove faces one side of the elastic plugging piece and is used for limiting the movement of the elastic plugging piece.

As a further aspect of the utility model, the elastic closure member comprises:

the sliding block is movably assembled in the liquid containing cavity, and one end of the sliding block is in sliding fit with the inner sliding chute;

the limiting pile is arranged on one side of the sliding block and is used for limiting the movement of the sliding block;

one end of the guide piece is fixedly connected with the sliding block, and the other end of the guide piece is movably inserted into the limiting pile; and

the elastic piece is assembled between the sliding block and the limiting piles and used for elastic reset of the sliding block.

In summary, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

according to the milling cutter, the liquid containing cavity and the elastic plugging piece are arranged in the milling cutter, so that the elastic plugging piece can be driven to slide by rotation while a workpiece is machined, the flow rate of chip liquid sprayed outwards from the liquid containing cavity is controlled, the chip liquid spraying effect is improved, and the milling cutter has the function of automatically starting and stopping along with rotation.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic perspective view of a disc milling cutter according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a milling cutter head in a disc milling cutter according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a rotating frame in a disc milling cutter according to an embodiment of the present invention.

Reference numerals: 1-a milling cutter disc, 2-a cutter frame, 3-a milling cutter, 4-a rotating frame, 5-a screw barrel, 6-a buffer cavity, 7-a liquid inlet pipe, 8-a slotted hole, 9-an inner chute, 10-a sliding block, 11-a limiting pile, 12-a guide piece, 13-a return spring and 14-a liquid containing cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1 to 3, a disc milling cutter according to an embodiment of the present invention includes a milling cutter head 1 and a rotating frame 4, and further includes: the liquid inlet pipe 7 is fixedly arranged inside the rotating frame 4 and is used for inputting cutting fluid into the milling cutter disc 1; the liquid containing cavity 14 is arranged inside the milling cutter head 1, and one end of the liquid containing cavity is communicated with the liquid inlet pipe 7; the liquid outlet pipe is annularly arranged on the surface of the milling cutter head 1 and used for outputting cutting fluid outwards from the fluid containing cavity 14; and the elastic plugging piece is movably arranged in the liquid containing cavity 14, is in sliding fit with the liquid outlet pipe, and is used for controlling the flow of the chip liquid output by the liquid outlet pipe along with the rotation of the milling cutter head 1.

In practical application, when the milling cutter disc 1 is driven by the rotary frame 4 to rotate, the liquid inlet pipe 7 communicated with the cutting fluid continuously pumps the cutting fluid into the liquid containing cavity 14, and when the milling cutter disc 1 rotates for cutting, the elastic plugging piece positioned in the liquid containing cavity 14 starts to slide along the inner wall of the slotted hole 8 under the centrifugal action, so that the liquid containing cavity 14 is communicated with the outside air through the slotted hole 8, the cutting fluid is sprayed out from the slotted hole 8 under the dual actions of the centrifugal action and the pumping pressure of the liquid inlet pipe 7, the surface of a machined workpiece is lubricated and cooled, the cutting fluid can be sufficiently supplied for machining of some inner holes, the cutter head of a disc milling cutter is protected, and meanwhile, the elastic plugging piece movably assembled in the liquid containing cavity 14 can overcome the movement of an elastic acting force according to the rotating speed of the milling cutter disc 1, thereby adjusting the opening size of the slot hole 8 and controlling the amount of the cutting fluid sprayed out.

As shown in fig. 1 and 2, in an embodiment of the present invention, a plurality of tool holders 2 are disposed outside the milling cutter head 1, and a milling cutter 3 is mounted on the tool holders 2.

In practical application, the milling cutter 3 on the cutter holder 2 can be detached and replaced, so that the milling cutter head can be replaced more flexibly.

As shown in fig. 3, in a preferred embodiment of the present invention, a buffer chamber 6 is disposed between the liquid containing chamber 14 and the liquid inlet pipe 7, and one end of the liquid inlet pipe 7 is connected to the buffer chamber 6 in a sealing manner.

In practical application, the cutting fluid is quickly pressed into the buffer chamber 6 through the fluid inlet pipe 7, and the buffer chamber 6 is communicated with the fluid containing chamber 14, so that the cutting fluid can be continuously pumped into the fluid containing chamber 14.

In one case of the present embodiment, the buffer chamber 6 can play a role of flow buffer, ensuring stable discharge of the chip liquid ejected outwards through the slot hole 8.

As shown in fig. 2, in a preferred embodiment of the present embodiment, the liquid outlet pipe includes: the slotted hole 8 is arranged on the surface of the milling cutter disc 1, and the tail end of the slotted hole faces one side of the milling cutter 3; and an inner chute 9 arranged towards one side of the elastic plugging piece and used for limiting the movement of the elastic plugging piece.

In one aspect of the present embodiment, the slot 8 is disposed toward the milling cutter 3, so that the slot can be sprayed onto the surface of the milling cutter 3 more rapidly during the rotation process, thereby reducing the friction temperature rise between the milling cutter 3 and the workpiece.

In one aspect of this embodiment, the number of the slots 8 is not particularly limited, as long as the spraying requirement under the actual working condition can be met.

As shown in fig. 1, in a preferred embodiment of the present invention, the elastic blocking member includes: a sliding block 10 movably assembled in the liquid containing cavity 14, wherein one end of the sliding block is in sliding fit with the inner chute 9; the limiting pile 11 is arranged on one side of the sliding block 10 and used for limiting the movement of the sliding block 10; one end of the guide piece 12 is fixedly connected with the sliding block 10, and the other end of the guide piece is movably inserted into the limiting pile 11; and the elastic element is assembled between the sliding block 10 and the limiting pile 11 and used for elastically resetting the sliding block 10.

In practical application, when the sliding block 10 is following the rotatory in-process of milling cutter dish 1, because the sliding block 10 with meet through the elastic component activity between the spacing stake 11, consequently lag behind under the inertial action when sliding block 10 in the in-process of milling cutter dish 1 motion, the one end that the guide 12 was connected to sliding block 10 drives along spacing stake 11 slides to make the elastic component extruded, make sliding block 10 when sliding towards interior spout 9 one side, the space size of slotted hole 8 continues to increase, makes the inside cutting fluid of holding liquid chamber 14 spout outward fast, accomplishes the cooling and the lubrication to the tool bit.

In one embodiment of the present invention, the elastic member may be elastically supported by a return spring 13, or may be replaced by an elastic structure such as a spring sheet, as long as the elastic member is capable of urging the elastic blocking member to return in a state where the milling cutter head 1 stops rotating, and the elastic member is not specifically limited herein.

The embodiment of the utility model provides the disc milling cutter, the liquid containing cavity 14 and the elastic plugging piece are arranged in the milling cutter, the elastic plugging piece can be driven to move through rotation while a workpiece is machined, so that the flow of chip liquid sprayed outwards from the liquid containing cavity 14 is controlled, the spraying effect of the chip liquid is improved, and the disc milling cutter has the function of automatically starting and stopping along with rotation.

In the description of the present invention, it is to be understood that the terms "upper", "side", "inner", etc. indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the disc cutter or the component being referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and that unless otherwise explicitly stated or limited, the terms "disposed", "mounted", "connected", and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention may be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a disc milling cutter, includes facing cutter and rotating frame, its characterized in that, disc milling cutter still includes:

2. A disc cutter according to claim 1, wherein a plurality of tool holders are provided on the outer side of the milling cutter disc, the tool holders being provided with milling cutters.

3. The disc milling cutter according to claim 1, wherein a buffer chamber is provided between the fluid containing chamber and the fluid inlet pipe, and one end of the fluid inlet pipe is connected with the buffer chamber in a sealing and rotating manner.

4. The disc cutter according to claim 1, wherein the outlet pipe comprises:

5. The disc milling cutter according to claim 4, characterized in that the resilient blocking member comprises: