CN210387720U

CN210387720U - Telescopic adjustable milling cutter

Info

Publication number: CN210387720U
Application number: CN201920931300.XU
Authority: CN
Inventors: 宋峻强
Original assignee: Changzhou Minglu Cemented Carbide Tools Co Ltd
Current assignee: Changzhou Minglu Cemented Carbide Tools Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-04-24
Anticipated expiration: 2029-06-20

Abstract

The utility model relates to the technical field of milling cutters, in particular to a telescopic adjustable milling cutter, which solves the defects of higher limitation, low processing precision and short service life in the prior art, and comprises a cutter holder, wherein the interior of the cutter holder is provided with a mounting groove, the interior of the mounting groove is provided with a cutter head in a sliding way, the top of the mounting groove is provided with a first screw hole, the first screw hole is communicated with the interior of the mounting groove, the internal thread of the first screw hole is fixed with an adjusting screw rod, the top of the cutter head is provided with a bearing, one end of the adjusting screw rod is sleeved in the bearing, the bottom of the cutter head is provided with a circular groove, and through the arrangement of structures such as a rotating block, a connecting plate, a connecting rod, a fixed seat, a blade, the circular groove and the like, after the blade is used for a long time and damaged, a user can, the service life of the blade is prolonged, and the input cost of production is reduced.

Description

Telescopic adjustable milling cutter

Technical Field

The utility model relates to a milling cutter technical field especially relates to a milling cutter with adjustable it is flexible.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.

The milling cutter that uses in the existing market's length can not be adjusted, and the limitation that exists is processed man-hour to the work piece is higher, and when processing man-hour, milling cutter easily shakes the skew, and the machining precision is lower, and the blade is long-term after using moreover, and the one end of blade can receive wearing and tearing, can not satisfy the machining dimension of work piece, and life is shorter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of high limitation, low processing precision and short service life in the prior art and providing a telescopic adjustable milling cutter.

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

the utility model provides a milling cutter with adjustable it is flexible, includes the blade holder, the mounting groove has been seted up to the inside of blade holder, the inside slip of mounting groove is provided with the tool bit, and the top of mounting groove has seted up first screw, first screw communicates with each other with the inside of mounting groove, and the inside thread tightening of first screw has adjusting screw, the bearing is installed at the top of tool bit, adjusting screw's a pot head is established in the inside of bearing, the circular slot has been seted up to the bottom of tool bit, the inside embedding of circular slot has rotatory piece, the fixed connecting plate that is provided with in bottom of rotatory piece, and the outside activity hinge of rotatory piece has the connecting rod, and the other end activity hinge of connecting rod has the blade, the blade slidable mounting.

Preferably, the inner wall both sides of mounting groove have all been seted up the spout, the both sides of tool bit all are provided with the slider of a body structure, the inside sliding connection of slider and spout.

Preferably, the outside cover of adjusting screw is equipped with the spring, the one end of spring with the top welded fastening of tool bit, and the other end of spring pass through the buckle with the inner wall fixed connection of mounting groove.

Preferably, the bottom of the cutter head is connected with a fixed seat through a screw, a sliding groove hole is formed in the fixed seat, and the blade is embedded in the sliding groove hole.

Preferably, the side wall of the sliding groove hole is provided with a second screw hole, and a locking screw rod is fixed to the inner thread of the second screw hole.

Preferably, the rotating block and the connecting plate are of an integral structure, and the connecting rods are annularly distributed on the outer side of the rotating block.

The utility model has the advantages that:

1. the utility model discloses in through the setting of adjusting screw, bearing, tool bit, blade holder, spout isotructure, the milling cutter that equipment adopted divide into tool bit and blade holder two parts, and the user is behind rotating adjusting screw for the tool bit is flexible in the inside of blade holder, to the work piece of difference, can change milling cutter's length, and it is nimble convenient to use, has reduced the limitation of processing.

2. The utility model discloses in through the setting of spring, the inside fixed connection of spring and tool bit and blade holder adds man-hour at milling cutter, can play good cushioning effect, avoids milling cutter vibrations too big, makes the machining precision improve.

3. The utility model discloses in through the setting of rotatory piece, connecting plate, connecting rod, fixing base, blade, circular slot isotructure, use impaired back for a long time at the blade, the rotatable rotatory piece of user makes connecting rod drive blade slide to the outside, makes the blade satisfy the size that processing used once more, has prolonged the life of blade, has reduced the input cost of production.

Drawings

Fig. 1 is a schematic front structural view of a telescopic adjustable milling cutter provided by the present invention;

fig. 2 is a front view of the cutter head according to the present invention;

fig. 3 is a side view of the fixing base provided by the present invention.

In the figure: the tool rest comprises a tool apron 1, a tool bit 2, an adjusting screw rod 3, a first screw hole 4, a sliding groove 5, a spring 6, a bearing 7, a rotating block 8, a connecting plate 9, a blade 10, a connecting rod 11, a locking screw rod 12, a circular groove 13, a fixed seat 14, a sliding groove hole 15 and a second screw hole 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a telescopic adjustable milling cutter comprises a cutter holder 1, wherein a mounting groove is formed in the cutter holder 1, a cutter head 2 is slidably arranged in the mounting groove, a first screw hole 4 is formed in the top of the mounting groove, the first screw hole 4 is communicated with the inside of the mounting groove, an adjusting screw 3 is fixed in the first screw hole 4 through threads, the milling cutter adopted by the equipment is divided into the cutter head 2 and the cutter holder 1 through the arrangement of structures such as the adjusting screw 3, a bearing 7, the cutter head 2, the cutter holder 1 and a sliding groove 5, the cutter head 2 can extend and retract in the cutter holder 1 after a user rotates the adjusting screw 3, the length of the milling cutter can be changed for different workpieces, the use is flexible and convenient, the processing limitation is reduced, the bearing 7 is arranged at the top of the cutter head 2, one end of the adjusting screw 3 is sleeved in the bearing 7, and a, a rotating block 8 is embedded into a circular groove 13, a connecting plate 9 is fixedly arranged at the bottom of the rotating block 8, a connecting rod 11 is movably hinged to the outer side of the rotating block 8, a blade 10 is movably hinged to the other end of the connecting rod 11, the blade 10 is slidably mounted at the bottom of a tool bit 2, sliding grooves 5 are formed in two sides of the inner wall of the mounting groove, sliders of an integrated structure are arranged on two sides of the tool bit 2, the sliders are slidably connected with the inner portion of the sliding grooves 5, a spring 6 is sleeved outside an adjusting screw 3, the spring 6 is fixedly connected with the inner portions of the tool bit 2 and the tool apron 1 through the arrangement of the spring 6, a good damping effect can be achieved during milling cutter machining, excessive vibration of a milling cutter is avoided, machining precision is improved, one end of the spring 6 is fixedly welded to the top of the tool bit 2;

wherein, the bottom of tool bit 2 has fixing base 14 through screwed connection, sliding slot hole 15 has been seted up to the inside of fixing base 14, blade 10 imbeds in sliding slot hole 15's inside, second screw 16 has been seted up to sliding slot hole 15's lateral wall, the internal thread of second screw 16 is fixed with locking screw 12, rotatory piece 8 and connecting plate 9 structure as an organic whole, through the setting of rotatory piece 8, connecting plate 9, connecting rod 11, fixing base 14, blade 10, circular slot 13 isotructure, after blade 10 used impaired for a long time, the user can rotate rotatory piece 8, make connecting rod 11 drive blade 10 slide to the outside, make blade 10 satisfy the size that processing used once more, the life of blade 10 has been prolonged, the input cost of production has been reduced, connecting rod 11 annular distribution is in the outside of rotatory piece 8.

In the first embodiment, when the device is used, the length of the milling cutter can be adjusted according to different processing requirements, when a user rotates the adjusting screw 3, the adjusting screw 3 moves in the internal thread of the first screw hole 4, one end of the adjusting screw rotates in the bearing 7, the adjusting screw drives the cutter head 2 to slide back and forth in the sliding groove 5, the length of the milling cutter is changed, and the spring 6 can play a role in damping when the milling cutter is processed.

In the second embodiment, after the blade 10 is machined for a long time, the blade 10 is worn and is insufficient in size, a user can rotate the connecting plate 9 to drive the connecting plate 9 to rotate with the rotating block 8 inside the circular groove 13 to drive the outer connecting rod 11 to rotate, the other end of the connecting rod 11 pushes the blade 10 to slide inside the fixing seat 14, all damaged blades 10 can be moved in the same position due to the fact that the blades 10, the connecting rod 11 and the fixing seat 15 are completely the same in structure, the size is uniform, after adjustment is completed, a person screws the locking screw 12, one end of the locking screw 12 presses the blade 10 tightly, the position of the blade 10 is fixed, the service life of the blade 10 is prolonged, and production cost investment is reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The telescopic adjustable milling cutter comprises a cutter holder (1) and is characterized in that a mounting groove is formed in the cutter holder (1), a cutter head (2) is arranged in the mounting groove in a sliding mode, a first screw hole (4) is formed in the top of the mounting groove, the first screw hole (4) is communicated with the inside of the mounting groove, an adjusting screw (3) is fixed to the inner thread of the first screw hole (4), a bearing (7) is installed at the top of the cutter head (2), one end of the adjusting screw (3) is sleeved inside the bearing (7), a circular groove (13) is formed in the bottom of the cutter head (2), a rotating block (8) is embedded into the circular groove (13), a connecting plate (9) is fixedly arranged at the bottom of the rotating block (8), a connecting rod (11) is movably hinged to the outer side of the rotating block (8), and a cutter blade (10) is movably hinged to the other end of the connecting rod (, the blade (10) is arranged at the bottom of the cutter head (2) in a sliding mode.

2. The milling cutter with adjustable stretching and retracting as claimed in claim 1, wherein the inner wall of the mounting groove is provided with sliding grooves (5) on both sides, and the tool bit (2) is provided with sliding blocks of an integrated structure on both sides, and the sliding blocks are slidably connected with the inner parts of the sliding grooves (5).

3. The milling cutter with adjustable telescoping as claimed in claim 1, wherein the adjusting screw (3) is externally sleeved with a spring (6), one end of the spring (6) is fixedly welded to the top of the cutter head (2), and the other end of the spring (6) is fixedly connected to the inner wall of the mounting groove by a buckle.

4. The milling cutter with adjustable stretching and retracting as claimed in claim 1, wherein the bottom of the cutter head (2) is connected with a fixed seat (14) through a screw, a sliding slot (15) is formed in the fixed seat (14), and the cutting blade (10) is embedded in the sliding slot (15).

5. The milling cutter with adjustable extension and retraction as claimed in claim 4, characterized in that the side wall of the sliding slot hole (15) is provided with a second screw hole (16), and a locking screw (12) is fixed to the inner thread of the second screw hole (16).

6. Milling cutter with adjustable extension according to claim 1, characterised in that the turning block (8) is of one piece construction with the connecting plate (9), the connecting rods (11) being annularly distributed on the outside of the turning block (8).