CN220028796U - But quick replacement's milling cutter for machining - Google Patents

Abstract

The utility model relates to the technical field of workpiece assembly, in particular to a quick-replaceable milling cutter for machining, which comprises a cutter handle and a cutter head, wherein the cutter handle is fixedly connected to one side of the cutter head, two positioning parts are elastically connected to the side part of the cutter handle, protrusions are arranged on the positioning parts and are meshed with an external device to increase the connection tightness, two jackets are fixedly connected to the cutter handle, each jacket is of a tubular structure, an inner rod is hermetically and slidingly connected in each jacket, an inner hole communicated with the jacket is formed in the middle part of the cutter handle, and the inner hole is connected with the positioning parts. In the clamping process, a worker can observe the angle and the gesture of the milling cutter from multiple angles, if the inclined worker is arranged, the clamping is stopped and adjusted very easily, compared with the prior art, the clamping is complete at one time, the angle of the milling cutter is found to be adjusted, the milling cutter is disassembled and reinstalled, the milling cutter is more convenient and rapid, and the overall use efficiency is higher.

Description

But quick replacement's milling cutter for machining

Technical Field

The utility model relates to the technical field of milling cutter assembly, in particular to a milling cutter capable of being replaced quickly for machining.

Background

The milling cutter is usually used for milling machine or the cutting tool of processing machine, and the milling cutter is when carrying out work, and the milling cutter need use the motor to drive, and the milling cutter live time after too long can produce certain wearing and tearing, influences the efficiency of cutting, consequently need change milling cutter, and the milling cutter among the prior art is mostly clamping jaw direct rigidity centre gripping is fixed, and though seemingly simple, but because the accuracy requirement of the product of milling cutter processing is higher, then if have the skew of milli just need dismantle again and grip again after the centre gripping, so among the prior art, many less skilled staff can't once only accomplish suitable clamping and lead to dismantling the reloading many times, leads to the change inefficiency of milling cutter.

Disclosure of Invention

Aiming at the problem that the replacement of the milling cutter is too low due to the fact that the replacement mode of the existing milling cutter is inconvenient, simple and rapid to complete and accurately clamps, the utility model provides the milling cutter for machining capable of being quickly replaced, and the problems in the prior art can be effectively solved.

The technical scheme of the utility model is as follows: the utility model provides a but quick replacement's milling cutter for machining, includes handle of a knife and tool bit, handle of a knife fixed connection is in one side of tool bit, the lateral part elastic connection of handle of a knife has two location portions, two location portions are followed respectively the periphery of handle of a knife distributes, be provided with the arch on the outside side of location portion, protruding and external device interlock and increase and connect the fastening degree.

Further, two jackets are fixedly connected to the tool handle, each jacket is of a tubular structure, an inner rod is connected in each jacket in a sealing sliding mode, an inner hole communicated with the jacket is formed in the middle of the tool handle, and the inner hole is connected with the positioning portion.

Further, two sliding grooves are symmetrically formed in the side wall of the knife handle, the positioning part comprises a sliding plate which is connected in the sliding grooves in a sealing sliding mode, an arc-shaped plate is arranged on the sliding plate, and the protrusions are distributed on the outer wall of the arc-shaped plate.

Further, the protrusion comprises a plurality of ball grooves formed in the arc-shaped plate and balls clamped in the ball grooves, the ball grooves protrude in the radial direction of the knife handle, and the balls can roll in the ball grooves.

Further, the arc plate is provided with gear teeth, and the spherical groove is arranged on one side, away from the cutter handle, of the gear teeth.

Further, the central connecting lines of the two jackets and the central connecting lines of the two positioning parts are parallel to each other, and the projections of the central connecting lines of the two jackets and the central connecting lines of the two positioning parts in the vertical direction coincide.

The utility model has the advantages that:

when clamping the milling cutter, the two clamping jaws are controlled to be close to the middle by an external machine, the push plate at the upper clamping plate is firstly contacted with the inner rod on the milling cutter, the positioning part moves outwards to be contacted with the lower clamping plate of the clamping jaw, then a worker adjusts the position, namely the angle, of the milling cutter, the clamping angle is guaranteed to be reasonable, then the external machine is continuously started to enable the two clamping jaws to be close to each other until the lower clamping plate is tightly abutted against the arc plate, the arc plate is necessarily pushed to move to two sides until the arc plate is completely abutted against the outer wall of the cutter handle, then the arc plate is completely clamped, the whole clamping process is completed, the milling cutter is not completely clamped for a long time in the process, so that the worker can observe the angle and the gesture of the milling cutter from multiple angles, if the worker deflects, the clamping and the worker can easily stop the clamping and adjust the milling cutter.

Drawings

Fig. 1 is an isometric view of the utility model.

FIG. 2 is a schematic cross-sectional view of a detent portion of the present utility model.

Fig. 3 is a schematic view of the structure of the milling cutter adapter jaw according to the present utility model.

Fig. 4 is a top view of the disclosed milling cutter adapter jaw.

In the figure: 1 knife handle, 2 knife head, 3 outer sleeve, 4 inner rod, 5 positioning part, 501 slide plate, 502 arc plate, 503 ball, 6 inner hole, 7 slide groove, 8 upper clamping plate, 9 lower clamping plate, 10 vertical plate, 11 push plate and 12 spring.

Detailed Description

For the convenience of understanding by those skilled in the art, the structure of the present utility model will now be described in further detail with reference to the accompanying drawings:

example 1

Referring to fig. 1-4, a milling cutter for machining capable of being replaced quickly comprises a cutter handle 1 and a cutter head 2, wherein the cutter handle 1 is fixedly connected to one side of the cutter head 2, two positioning parts 5 are elastically connected to the side part of the cutter handle 1, the two positioning parts 5 are distributed along the peripheral direction of the cutter handle 1 respectively, a bulge is arranged on one outward side surface of the positioning part 5, and the bulge is meshed with an external device to increase the connection tightness. Noteworthy are: the milling cutter disclosed by the utility model is also suitable for a milling cutter clamp, the clamp comprises two clamping jaws, each clamping jaw consists of an upper clamping plate 8 and a lower clamping plate 9, the joints of the two clamping jaws form steps, the upper clamping plate 8 and the lower clamping plate 9 are of arc-shaped plate structures, the radius of the inner wall of the lower clamping plate 9 is smaller than that of the upper clamping plate 8, two vertical plates 10 are fixedly connected to the inner wall of the upper clamping plate 8, a push plate 11 is slidably connected between the two vertical plates 10, a spring 12 is fixedly connected between the push plate 11 and the upper clamping plate 8 together, and as shown in fig. 4, the push plate 11 cannot be separated from the two vertical plates 10.

The cutter handle 1 is fixedly connected with two jackets 3, the jackets 3 are of tubular structures, each jacket 3 is internally provided with an inner rod 4 in a sealing sliding manner, the middle part of the cutter handle 1 is provided with an inner hole 6 communicated with the jacket 3, the inner hole 6 is connected with the positioning part 5, when a milling cutter is clamped, the two clamping jaws are controlled to be close to the middle by external machinery, the push plate 11 at the position of the upper clamping plate 8 is firstly contacted with the inner rod 4 on the milling cutter, the inner rods 4 are extruded to slide in the jackets 3, at the moment, the pressure in the inner holes 6 is increased, so that the positioning part 5 moves outwards to be contacted with the lower clamping plates 9 of the clamping jaws, at the moment, a certain clamping force is provided between the clamping jaws and the milling cutter, although the clamping force is not required, the milling cutter can not fall down directly after the milling cutter is loosened by a worker.

Further, two sliding grooves 7 are symmetrically formed in the side wall of the tool handle 1, the positioning portion 5 comprises a sliding plate 501 which is connected in the sliding groove 7 in a sealing sliding mode, an arc-shaped plate 502 is arranged on the sliding plate 501, protrusions are distributed on the outer wall of the arc-shaped plate 502, and the arc-shaped plate 502 can be in good contact with the lower clamping plate 9. Meanwhile, gear teeth are arranged on the arc-shaped plate 502, and tooth grooves matched with the gear teeth are formed in the inner wall of the lower clamping plate 9, so that the gear teeth and the lower clamping plate can be well matched, and the connection of the gear teeth and the lower clamping plate is more tightly achieved;

the arch including set up in a plurality of ball grooves on the arc 502, and the joint in ball 503 in the ball groove, the ball groove is followed the radial outstanding of handle of a knife 1, ball 503 can roll in the ball groove, and the ball groove sets up in the one side that handle of a knife 1 was kept away from to the teeth of a cogwheel, and the existence of ball 502 can make the clamping jaw when not fully pressing from both sides tight milling cutter, and both can be comparatively easy carry out slight rotation, and the staff of being convenient for adjusts the accurate position of milling cutter, also is convenient for the clamping jaw in tight in-process, and the automatic centering of milling cutter presss from both sides tightly.

The central connecting lines of the two jackets 3 are parallel to the central connecting lines of the two positioning parts 5, and the projections of the central connecting lines of the two jackets are coincident in the vertical direction, so that the arrangement can be more suitable for the clamping jaws shown in fig. 3 and 4.

In the whole clamping process, the above slight clamping is firstly completed to preliminarily position the milling cutter, then a worker adjusts the position, namely the angle, of the milling cutter, the clamping angle is guaranteed to be reasonable, then the external machine is continuously started to enable the two clamping jaws to be close to each other until the lower clamping plate 9 is tightly abutted against the arc plate 502, the arc plate 502 is necessarily pushed to move to two sides by continuous movement until the arc plate 502 is completely abutted against the outer wall of the cutter handle 1, and then the whole clamping process is completed.

In the clamping process, the pressure in the inner hole 6 is continuously increased to tend to push the inner rod 4 outwards, and the spring 12 and the push plate 11 are arranged in the clamping jaw, so that the push plate 11 moves towards two sides to compress the spring 12, and the arrangement ensures that the arc plate 502 can be completely extruded to be propped against the tool handle 1.

When the milling cutter disclosed by the utility model is clamped, as the milling cutter is not clamped completely for a long time in the middle, a certain clamping force is maintained and the milling cutter cannot fall directly, so that a worker can observe the angle and the gesture of the milling cutter from multiple angles, and if the milling cutter is inclined, the clamping and the adjustment are easily stopped, compared with the prior art, the milling cutter is clamped thoroughly at one time and then the milling cutter angle is found to be adjusted and then the milling cutter is disassembled for reinstallation, the milling cutter is more convenient and rapid, and the overall use efficiency is higher.

Additional description is: after the milling cutter is clamped, the outer sleeve 3 is not in direct contact with the clamping jaw.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (6)

1. A but quick replacement's milling cutter for machining, its characterized in that: including handle of a knife (1) and tool bit (2), handle of a knife (1) fixed connection is in one side of tool bit (2), the lateral part elastic connection of handle of a knife (1) has two location portions (5), and two location portions (5) are followed respectively the periphery of handle of a knife (1) distributes, be provided with the arch on the outside side of location portion (5), protruding and external device interlock and increase and connect the fastening degree.

2. A rapidly exchangeable milling cutter for machining according to claim 1, wherein: still fixedly connected with two overcoat (3) on handle of a knife (1), overcoat (3) are tubular structure, every equal sealing sliding connection has an interior pole (4) in overcoat (3), hole (6) of intercommunication overcoat (3) have been seted up at the middle part of handle of a knife (1), hole (6) are connected with location portion (5).

3. A rapidly exchangeable milling cutter for machining according to claim 2, wherein: two sliding grooves (7) are symmetrically formed in the side wall of the knife handle (1), the positioning part (5) comprises a sliding plate (501) which is connected in the sliding groove (7) in a sealing sliding mode, an arc-shaped plate (502) is arranged on the sliding plate (501), and protrusions are distributed on the outer wall of the arc-shaped plate (502).

4. A rapidly exchangeable milling cutter for machining according to claim 3, wherein: the protrusion comprises a plurality of ball grooves formed in the arc-shaped plate (502) and balls (503) clamped in the ball grooves, the ball grooves protrude in the radial direction of the tool handle (1), and the balls (503) can roll in the ball grooves.

5. A rapidly exchangeable milling cutter for machining according to claim 4, wherein: the arc plate (502) is provided with gear teeth, and the spherical groove is arranged on one side of the gear teeth away from the knife handle (1).

6. A rapidly exchangeable milling cutter for machining according to claim 3, wherein: the central connecting lines of the two jackets (3) are parallel to the central connecting lines of the two positioning parts (5), and the projections of the central connecting lines of the two jackets are coincident in the vertical direction.