CN218017097U

CN218017097U - Milling cutter of numerically controlled fraise machine

Info

Publication number: CN218017097U
Application number: CN202221600531.0U
Authority: CN
Inventors: 林祥; 高华卫; 余敦文; 宋波; 周坤
Original assignee: Suzhou Huatu Precision Technology Co ltd
Current assignee: Suzhou Huatu Precision Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-13
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a milling cutter of numerically controlled fraise machine, including the organism, integrated into one piece has the board of placing that is used for placing the cutter in the organism, and rotate in the organism and install the driving shaft with motor output fixed connection, and fixed cover is equipped with the driving gear on the driving shaft, has seted up the spout in the organism, is provided with the first spring that is connected and the driven rack who is connected with the driving gear meshing in the spout respectively, is provided with the fixed establishment who is used for stationary cutter in the organism. Through driving gear and driven rack meshing transmission, the movable support drives the shifting chute and moves right for anchor clamps slide in the chute, let between the anchor clamps inward movement, carry out the centre gripping to the cutter both ends and fix, and then swiftly install the cutter. The driving gear is driven to rotate reversely through the reverse rotation of the motor, the driven rack drives the movable support to move together, the movable support drives the movable groove to move leftwards, the clamps move outwards, the fixed state of the two ends of the cutter is released, and then the step of disassembling the cutter is simplified.

Description

Milling cutter of numerically controlled fraise machine

Technical Field

The utility model relates to the technical field of mechanical equipment, especially, relate to a milling cutter of numerically controlled fraise machine.

Background

The numerically controlled milling machine is an automatic machining apparatus developed on the basis of general milling machine, the machining processes of the two are basically the same, the structure is also somewhat similar, the numerically controlled machine machining is to divide the moving coordinates of the cutter and the workpiece into the minimum unit quantity, namely the minimum displacement quantity, and the numerical control system moves each coordinate by a plurality of minimum displacement quantities according to the requirements of the workpiece program, so that the relative movement of the cutter and the workpiece is realized, and the machining of the part is completed.

When the existing numerical control milling machine is used for installing a milling cutter, the milling cutter is rigidly and fixedly installed on a main shaft of the numerical control milling machine generally by means of friction force, the contact force between workpiece feeding and the milling cutter is too large, so that the load moment of the milling cutter is too large, further an accident of milling cutter breakage occurs, in order to recover the normal work of the milling machine as soon as possible, the milling cutter is replaced, but the existing milling cutter is too cumbersome in the disassembling process, the part of the milling cutter remaining in the milling machine is short and difficult to take out, the hands of operators can be damaged in the taking-out process, the operators cannot operate the milling machine, and the overall work progress is delayed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing numerically controlled fraise machine is too loaded down with trivial details with dismantlement milling cutter among the prior art, and the milling cutter of a numerically controlled fraise machine who provides.

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

the utility model provides a milling cutter of numerically controlled fraise machine, includes the organism, open in the organism and be equipped with the through-hole, and integrated into one piece has the board of placing that is used for placing the cutter in the organism, fixed mounting has the motor in the organism, and rotates in the organism and install the driving shaft with motor output fixed connection, fixed cover is equipped with the driving gear on the driving shaft, open in the organism and be equipped with the spout, be provided with the first spring that is connected and the driven rack who is connected with the driving gear meshing in the spout respectively, be provided with the fixed establishment who is used for the stationary cutter in the organism.

Preferably, the cutter extends out of the machine body through a through hole, and the sliding groove is horizontally arranged in the machine body.

Preferably, the first spring is horizontally welded in the sliding groove, and the driven rack is slidably sleeved in the sliding groove.

Preferably, the fixing mechanism includes a movable bracket fixedly connected to the driven rack, a movable groove is formed in the movable bracket, a chute is formed in the machine body, a second spring connected to the chute and a clamp corresponding to the tool are arranged in the chute, and a short yoke connected to the movable groove is integrally formed on the clamp.

Preferably, the second spring is welded on the inner wall of the chute, the clamp is slidably sleeved in the chute, and the clamp is movably abutted to the cutter.

Preferably, the short yoke is arranged at one end of the clamp far away from the cutter, and the short yoke is slidably sleeved in the moving groove.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a driving gear and driven rack meshing transmission for driven rack slides in the spout, and the movable support drives the shifting chute and moves right, lets the short yoke slide in the shifting chute, makes anchor clamps slide in the chute, lets the inward movement between the anchor clamps, carries out the centre gripping to the cutter both ends and fixes.

2. The utility model discloses a motor reversal drives driving gear antiport, lets driving gear and driven rack mesh the transmission, and driven rack drives the moving movable support and moves together, and the moving movable support drives the shifting chute and moves left, lets between the anchor clamps to the outward movement, relieves the stationary state to the cutter both ends.

To sum up, the utility model discloses a driving gear and driven rack toothing transmission, movable support drive shifting chute move right for anchor clamps slide in the chute, let between the anchor clamps inward movement, carry out the centre gripping to the cutter both ends and fix, and then swiftly install the cutter. The driving gear is driven to rotate reversely through the reverse rotation of the motor, the driven rack drives the movable support to move together, the movable support drives the movable groove to move leftwards, the clamps move outwards, the fixed state of the two ends of the cutter is released, and then the step of disassembling the cutter is simplified.

Drawings

Fig. 1 is a schematic structural view of a milling cutter of a numerically controlled milling machine according to the present invention;

fig. 2 is a schematic structural view of a main sectional view of a milling cutter of a numerically controlled milling machine according to the present invention;

fig. 3 is an enlarged schematic view of a part a of the milling cutter of the numerically controlled fraise machine according to the present invention.

In the figure: 1. a body; 2. a through hole; 3. placing a plate; 4. a motor; 5. a drive shaft; 6. a driving gear; 7. a chute; 8. a first spring; 9. a driven rack; 10. moving the support; 11. a moving groove; 12. a chute; 13. a second spring; 14. a clamp; 15. a short yoke.

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 milling cutter of a numerically controlled fraise machine comprises a machine body 1, a through hole 2 is arranged in the machine body 1, a placing plate 3 for placing a cutter is integrally formed in the machine body 1, a motor 4 is fixedly arranged in the machine body 1, the motor 4 can select a servo motor with a product model of MDME-102S1, a driving shaft 5 fixedly connected with an output end of the motor 4 is rotatably arranged in the machine body 1, a driving gear 6 is fixedly sleeved on the driving shaft 5, a sliding groove 7 is arranged in the machine body 1, a first spring 8 connected with the sliding groove 7 and a driven rack 9 connected with the driving gear 6 in a meshing mode are respectively arranged in the sliding groove 7, a fixing mechanism for fixing the cutter is arranged in the machine body 1, the cutter is rapidly disassembled by using the fixing mechanism, and required steps for replacing the cutter are simplified.

The cutter passes through hole 2 and extends to outside the organism 1, and spout 7 level sets up in organism 1, utilizes the cutter to extend to the outer one end of organism 1, carries out processing to the work piece.

The first spring 8 is horizontally welded in the sliding groove 7, the driven rack 9 is slidably sleeved in the sliding groove 7, and the movement state of the driven rack 9 is stabilized by the elastic acting force of the first spring 8.

The fixing mechanism comprises a moving support 10 fixedly connected to the driven rack 9, a moving groove 11 is formed in the moving support 10, a chute 12 is formed in the machine body 1, a second spring 13 connected with the chute 12 and a clamp 14 corresponding to the cutter are arranged in the chute 12, the clamp 14 is driven by the moving support 10 to move towards the cutter, the cutter is clamped and fixed rapidly, and a short yoke 15 connected with the moving groove 11 is formed on the clamp 14 in an integrated mode.

The second spring 13 is welded on the inner wall of the chute 12, the clamp 14 is slidably sleeved in the chute 12, the clamp 14 is movably abutted against the cutter, and the movement state of the clamp 14 is stabilized by the elastic acting force of the second spring 13.

The short yoke 15 is arranged at one end of the clamp 14 far away from the cutter, the short yoke 15 is sleeved in the moving groove 11 in a sliding mode, the short yoke 15 slides in the moving groove 11 through the moving support 10, the clamp 14 clamps and fixes the cutter, and the cutter is guaranteed not to shake in use.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

when the cutter needs to be fixed, the cutter is placed on the placing plate 3 from the through hole 2, the motor 4 is started, the output end of the motor 4 drives the driving shaft 5 to rotate, the driving shaft 5 drives the driving gear 6 to rotate, the driving gear 6 is in meshed transmission with the driven rack 9, so that the driven rack 9 slides in the sliding groove 7, and the driven rack 9 extrudes the first spring 8;

the driven rack 9 drives the movable bracket 10 to move together, the movable bracket 10 drives the movable groove 11 to move rightwards, the short yoke 15 slides in the movable groove 11, the clamp 14 slides in the chute 12, the clamp 14 extrudes the second spring 13 to be stressed, the clamps 14 move inwards, and the two ends of the cutter are clamped and fixed.

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 utility model provides a milling cutter of numerically controlled fraise machine, includes organism (1), its characterized in that, through-hole (2) have been seted up in organism (1), and integrated into one piece has board (3) of placing that are used for placing the cutter in organism (1), fixed mounting has motor (4) in organism (1), and rotates in organism (1) and install driving shaft (5) with motor (4) output fixed connection, fixed cover is equipped with driving gear (6) on driving shaft (5), seted up spout (7) in organism (1), be provided with respectively in spout (7) first spring (8) that are connected and driven rack (9) that are connected with driving gear (6) meshing, be provided with the fixed establishment who is used for fixed cutter in organism (1).

2. Milling cutter for numerically controlled milling machines according to claim 1, characterized in that the cutter extends out of the machine body (1) through the through hole (2), and the sliding groove (7) is arranged horizontally in the machine body (1).

3. Milling cutter for numerically controlled milling machines according to claim 2, characterized in that the first spring (8) is welded horizontally in the chute (7), and the driven rack (9) is slidably sleeved in the chute (7).

4. The milling cutter of a numerical control milling machine according to claim 1, wherein the fixing mechanism comprises a movable support (10) fixedly connected to the driven rack (9), a movable groove (11) is formed in the movable support (10), a chute (12) is formed in the machine body (1), a second spring (13) and a clamp (14) corresponding to the cutter are arranged in the chute (12) and connected with each other, and a short yoke (15) connected with the movable groove (11) is integrally formed on the clamp (14).

5. The milling cutter of the numerical control milling machine according to claim 4, wherein the second spring (13) is welded on the inner wall of the inclined groove (12), the clamp (14) is slidably sleeved in the inclined groove (12), and the clamp (14) is movably abutted against the cutter.

6. Milling cutter tool for numerically controlled milling machines according to claim 5, characterized in that the short yoke (15) is arranged at the end of the holder (14) remote from the tool, and the short yoke (15) is slidingly received in the moving slot (11).