CN213052915U

CN213052915U - Milling cutter structure

Info

Publication number: CN213052915U
Application number: CN202021555205.3U
Authority: CN
Inventors: 蒋金杰
Original assignee: Changzhou Fuxincheng Cnc Tools Co ltd
Current assignee: Changzhou Fuxincheng Cnc Tools Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-27
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a milling cutter technical field specifically is a milling cutter structure, the device comprises a device main body, the device main part includes handle of a knife and tool bit, the handle of a knife bottom has the tool bit through bearing swing joint, the inside top of tool bit is provided with idling mechanism, idling mechanism includes axostylus axostyle, first slider, gyro wheel, cavity, first slide rail, second slide rail and second slider, the inside top cover of tool bit is equipped with the axostylus axostyle, and the top fixed mounting of axostylus axostyle is in the bottom of handle of a knife, bearing and tool bit swing joint are passed through to the bottom of axostylus axostyle, the equal fixed mounting in both sides has first slider about the ax. The utility model provides high ease of use and practicality, effectively prevented processing when milling, probably met harder thing that mills for the tool bit causes the damage, greatly reduced the life of tool bit, improved the problem of the cost of changing.

Description

Milling cutter structure

Technical Field

The utility model relates to a milling cutter technical field specifically is a milling cutter structure.

Background

The milling cutter is mainly used for machining planes, steps, grooves, formed surfaces, cutting off workpieces and the like on a milling machine, and the conventional milling cutter structure has various functions and realizes diversification, so that the conventional milling cutter structure meets the use requirements of people, but has the following problems.

The general formula structural design as an organic whole of current milling cutter structure when processing and milling, can meet harder thing that mills for the tool bit causes the damage, greatly reduced the life of tool bit, improved the cost of changing, influenced ease and practicality, consequently need urgently a neotype milling cutter structure solution above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a milling cutter structure to what provide among the above-mentioned background art runs into harder thing that mills for the tool bit causes the problem of damage.

In order to achieve the above object, the utility model provides a following technical scheme: a milling cutter structure comprises a device main body, wherein the device main body comprises a cutter handle and a cutter head, the bottom end of the cutter handle is movably connected with the cutter head through a bearing, an idling mechanism is arranged at the top end inside the cutter head and comprises a shaft lever, a first sliding block, a roller, a cavity, a first sliding rail, a second sliding rail and a second sliding block, the shaft lever is sleeved at the top end inside the cutter head, the top end of the shaft lever is fixedly arranged at the bottom end of the cutter handle, the bottom end of the shaft lever is movably connected with the cutter head through the bearing, the first sliding block is fixedly arranged on the left side and the right side of the shaft lever, the first sliding rail is arranged inside the cutter head and is in sliding connection with the first sliding block, the cavity is arranged at the front end and the rear end of the left side and the right side of the first sliding rail, sleeve plates are fixedly arranged inside the cavity, baffles, four groups of compression springs are welded on the baffle on one side close to the shaft rod, and the compression springs are welded on the sleeve plate on one side far away from the shaft rod, and a protection mechanism is arranged at the bottom end of the outer part of the cutter head.

Preferably, the top of the left side and the right side of the shaft lever are fixedly provided with second sliding blocks, and the second sliding blocks are connected with the cutter head in a sliding mode through second sliding rails.

Preferably, both sides are all fixed mounting has the gyro wheel around the first slider, and the upper and lower both ends of gyro wheel all with the laminating of first slide rail inner wall.

Preferably, the first sliding block and the baffle are both in arc-shaped design, and the baffle is attached to the front side and the rear side of the first sliding block.

Preferably, protection machanism includes lag, gag lever post, second spring and draw-in groove, the outside bottom cover of tool bit is equipped with the lag, and the right side top cover of lag is equipped with the gag lever post, the outside winding of gag lever post has the second spring, and the left side welding of second spring is at the outer wall of lag, the right side welding of second spring is at the outer wall of gag lever post, the draw-in groove has all been seted up at the upper and lower both ends on tool bit right side, and draw-in groove and the mutual block of gag lever post.

Preferably, a rubber pad is glued inside the protective sleeve, and the rubber pad is tightly attached to the cutter head.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this milling cutter structure is provided with the axostylus axostyle, first slider, the baffle, compression spring and first slide rail, when meetting harder thing that mills, under sword handle and tool bit bearing swing joint's effect, the axostylus axostyle drives first slider and rotates, make under huge torsion effect, first slider extrudees the baffle, make the inside compression spring of baffle take place elastic deformation, make first slider rotate inside first slide rail, form idle running state, protect the tool bit, ease of use and practicality have been improved, effectively prevented when processing mills, can meet harder thing that mills, make the tool bit cause the damage, greatly reduced the life of tool bit, the problem of the cost of changing has been improved.

2. This milling cutter structure is provided with the lag, the gag lever post, second spring and draw-in groove, under the effect of lag, protect the edge of a knife part of tool bit, prevent when placing milling the thing, collide the tool bit, make the outside problem that causes the damage of tool bit, when will using the tool bit, only need pull out the gag lever post, upwards slide the lag, carry out the block to the gag lever post through the draw-in groove, to the lag fix can, improved ease for use and practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at C in fig. 1 according to the present invention.

In the figure: 100. a device main body; 110. a hilt; 120. a cutter head; 200. an idling mechanism; 210. a shaft lever; 220. a first slider; 230. a roller; 240. a chamber; 241. sheathing; 242. a baffle plate; 243. a compression spring; 250. a first slide rail; 260. a second slide rail; 270. a second slider; 300. a protection mechanism; 310. a protective sleeve; 320. a limiting rod; 330. a second spring; 340. a clamping groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a milling cutter structure comprises a device body 100, the device body 100 comprises a cutter handle 110 and a cutter head 120, the bottom end of the cutter handle 110 is movably connected with the cutter head 120 through a bearing, an idling mechanism 200 is arranged at the top end inside the cutter head 120, the idling mechanism 200 comprises a shaft rod 210, a first sliding block 220, a roller 230, a cavity 240, a first sliding rail 250, a second sliding rail 260 and a second sliding block 270, the shaft rod 210 is sleeved at the top end inside the cutter head 120, the top end of the shaft rod 210 is fixedly arranged at the bottom end of the cutter handle 110, the bottom end of the shaft rod 210 is movably connected with the cutter head 120 through a bearing, the first sliding block 220 is fixedly arranged on the left side and the right side of the shaft rod 210, the first sliding rail 250 is arranged inside the cutter head 120, the first sliding rail 250 is in sliding connection with the first sliding block 220, the cavity 240 is arranged at the front end and the rear end of the left side and the right side of, and the baffle 242 is internally provided with a compression spring 243, one side of the four groups of compression springs 243 close to the shaft 210 is welded on the baffle 242, one side of the compression springs 243 far away from the shaft 210 is welded on the sleeve plate 241, and the bottom end of the outer part of the cutter head 120 is provided with a protection mechanism 300.

The top of the axostylus axostyle 210 left and right sides is fixed mounting all has second slider 270, and second slider 270 passes through second slide rail 260 and tool bit 120 sliding connection, under the effect of second slide rail 260 and second slider 270 for axostylus axostyle 210 when rotating, it is more stable, improved ease for use and stability.

Both sides are all fixed mounting has gyro wheel 230 around first slider 220, and the upper and lower both ends of gyro wheel 230 all with the laminating of first slide rail 250 inner wall, under the effect of gyro wheel 230 for when rotating the operation, more smooth, improved the ease for use.

First slider 220 and baffle 242 all are arc design, and the baffle 242 laminating is in the front and back both sides of first slider 220, under the effect of first slider 220 and baffle 242, can be better carry out guard action to tool bit 120, have improved the ease for use.

Protection mechanism 300 includes lag 310, gag lever post 320, second spring 330 and draw-in groove 340, the outside bottom cover of tool bit 120 is equipped with lag 310, and the right side top cover of lag 310 is equipped with gag lever post 320, the outside winding of gag lever post 320 has second spring 330, and the left side welding of second spring 330 is at the outer wall of lag 310, the right side welding of second spring 330 is at the outer wall of gag lever post 320, draw-in groove 340 has all been seted up at the upper and lower both ends on tool bit 120 right side, and draw-in groove 340 and the mutual block of gag lever post 320, under this mechanism's effect, effectively prevented when the tool bit does not use 120, when colliding tool bit 120 carelessly, effect through lag 310 protects tool bit 120.

The rubber pad is glued in the protecting sleeve 310, the rubber pad is tightly attached to the tool bit 120, and under the action of the rubber pad, the protecting sleeve 310 protects the surface, which is in contact with the tool bit 120, so that the usability is improved.

The working principle is as follows: when a hard milling object is encountered, firstly, under the action of a large rotating force, the cutter handle 110 drives the shaft lever 210 to rotate, the baffle 242 is extruded through the first slider 220, the compression spring 243 is elastically deformed, the first slider 220 slides in the first slide rail 250, the cutter handle 110 is in an idle running state, and the cutter head 120 is protected;

when the tool bit 120 is not used, the limiting rod 320 is pulled first to elastically deform the second spring 330, the limiting function of the limiting rod 320 and the clamping groove 340 is released, the protecting sleeve 310 slides downwards to protect the knife edge of the tool bit 120, and the operation is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A milling cutter structure comprises a device body (100), wherein the device body (100) comprises a tool holder (110) and a tool bit (120), the bottom end of the tool holder (110) is movably connected with the tool bit (120) through a bearing, and the milling cutter structure is characterized in that: the tool bit (120) is provided with an idle rotation mechanism (200) at the top end inside, the idle rotation mechanism (200) comprises a shaft lever (210), a first slider (220), a roller (230), a cavity (240), a first slide rail (250), a second slide rail (260) and a second slider (270), the shaft lever (210) is sleeved at the top end inside the tool bit (120), the top end of the shaft lever (210) is fixedly installed at the bottom end of the tool handle (110), the bottom end of the shaft lever (210) is movably connected with the tool bit (120) through a bearing, the first slider (220) is fixedly installed at the left side and the right side of the shaft lever (210), the first slide rail (250) is arranged inside the tool bit (120), the first slide rail (250) is in sliding connection with the first slider (220), the cavity (240) is arranged at the front end and the rear end of the left side and the right side of the first slide rail (250), and a sleeve plate (241) is, the four sets of the sleeve plates (241) are all sleeved with baffles (242), compression springs (243) are arranged inside the baffles (242), one sides, close to the shaft rods (210), of the compression springs (243) in the four sets are welded to the baffles (242), one sides, far away from the shaft rods (210), of the compression springs (243) are all welded to the sleeve plates (241), and the bottom end of the outer portion of the cutter head (120) is provided with a protection mechanism (300).

2. A milling cutter structure according to claim 1, wherein: the top of axostylus axostyle (210) left and right sides all fixed mounting has second slider (270), and second slider (270) pass through second slide rail (260) and tool bit (120) sliding connection.

3. A milling cutter structure according to claim 1, wherein: the front side and the rear side of the first sliding block (220) are fixedly provided with rollers (230), and the upper end and the lower end of each roller (230) are attached to the inner wall of the first sliding rail (250).

4. A milling cutter structure according to claim 1, wherein: the first sliding block (220) and the baffle (242) are both in arc-shaped design, and the baffle (242) is attached to the front side and the rear side of the first sliding block (220).

5. A milling cutter structure according to claim 1, wherein: protection machanism (300) are including lag (310), gag lever post (320), second spring (330) and draw-in groove (340), the outside bottom cover of tool bit (120) is equipped with lag (310), and the right side top cover of lag (310) is equipped with gag lever post (320), the outside winding of gag lever post (320) has second spring (330), and the left side welding of second spring (330) is at the outer wall of lag (310), the right side welding of second spring (330) is at the outer wall of gag lever post (320), draw-in groove (340) have all been seted up at the upper and lower both ends on tool bit (120) right side, and draw-in groove (340) and gag lever post (320) block each other.

6. A milling cutter structure according to claim 5, wherein: a rubber pad is glued inside the protective sleeve (310), and the rubber pad is tightly attached to the cutter head (120).