CN216421194U

CN216421194U - Milling cutter convenient to it is fixed

Info

Publication number: CN216421194U
Application number: CN202122618142.2U
Authority: CN
Inventors: 薛明杰
Original assignee: Jiangsu Wanjin Precision Cutting Tool Co ltd
Current assignee: Jiangsu Wanjin Precision Cutting Tool Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-03
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to a milling cutter convenient to it is fixed, including handle of a knife, the tool bit, handle of a knife outer wall a week is equipped with first recess, be equipped with first slide rail in the first recess, be equipped with a plurality of groups fixture on the first slide rail, a set of fixture includes first splint, the second splint, elastomeric element, first splint, the first slide rail of second splint sliding connection, first splint, set up elastomeric element between the second splint, be equipped with respectively on first splint and the second splint opposite face along handle of a knife length direction's spout, the handle of a knife both sides are equipped with the second recess respectively along its length direction, be equipped with the second slide rail in the second recess of both sides, sliding connection rubber sleeve on the second slide rail, the rubber sleeve is for keeping away from tool bit one side open-ended hollow structure, the utility model discloses frictional force between handle of a knife and the chuck has been increased, the clearance between handle of a knife and the chuck is reduced, prevents that milling cutter from stretching out gradually from the chuck, And the cutter head is prevented from being uneven in tool consumption during milling, and the service life of the cutter is shortened.

Description

Milling cutter convenient to it is fixed

Technical Field

The utility model relates to a milling cutter convenient to it is fixed belongs to cutter equipment technical field.

Background

A milling cutter is a rotary cutter used for milling and provided with one or more cutter teeth, and each cutter tooth cuts off the allowance of a workpiece intermittently in sequence during operation. In the milling process, because the handle of the milling cutter is smooth and the clamping part of the clamping head is also smooth, the cutter holder is difficult to firmly clamp the handle, and the milling cutter can gradually extend out of the cutter holder and fall off, so that the workpiece is scrapped. At the same time, there is a slight clearance between the milling cutter and the tool holder, so that there is a possibility of a vibrating view of the tool being machined. The vibration can cause uneven cutting amount of each edge on the circumference of the milling cutter, so that the cutting amount is increased compared with an original fixed value, and the processing precision and the service life of the cutter are influenced.

Chinese patent publication No. CN 210755433U's patent discloses a body punches and uses milling cutter, including installation pole, cutter body and spacing wheel, the installation pole outside is provided with the installation antiskid groove, installation pole and cutter body fixed connection, the activity of the cutter body outside has cup jointed spacing wheel, the cutter body outside is provided with the spacing groove along the cutter body direction, spacing inboard of taking turns is provided with spacing, spacing and spacing groove sliding connection, the cutter body outside is provided with the sword groove of circling round, the cutter body top is the toper of circling round, spacing wheel lower surface circumference is provided with first spacing layer and second spacing layer, and this utility model discloses an antiskid groove to milling cutter auxiliary device that punches sets up, further time milling cutter is fixed firm, is difficult for droing, and the cutter holder to the chuck is then not suitable for, and the size in antiskid groove is fixed, and the functionality is single.

Therefore, a milling cutter which can firmly clamp the milling cutter, is not easy to slip and has strong applicability and is convenient to fix is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that above-mentioned exists, provide a milling cutter convenient to it is fixed.

The utility model aims at realizing the milling cutter convenient to fix by the following technical proposal, which comprises a cutter handle and a cutter head connected with the cutter handle into a whole, wherein the cutter head comprises a cutting edge and a scrap groove and is characterized in that a first groove is arranged on the periphery of the outer wall of the cutter handle, a first slide rail is arranged in the first groove, a plurality of groups of clamping mechanisms are arranged on the first slide rail, each group of clamping mechanism comprises a first clamping plate, a second clamping plate and an elastic part, the first clamping plate and the second clamping plate are connected with the first slide rail in a sliding way, the first clamping plate, the second clamping plate and the first slide rail are inclined, the elastic part is arranged between the first clamping plate and the second clamping plate, the opposite surfaces of the first clamping plate and the second clamping plate are respectively provided with a chute along the length direction of the cutter handle, the lower wall of the chute is higher than the upper surface of the elastic part, the two sides of the cutter handle are respectively provided with a second groove along the length direction, the second groove is located between the first groove and the tool bit, a second sliding rail is arranged in the second grooves on two sides, the second sliding rail is connected with a rubber sleeve in a sliding mode, and the rubber sleeve is of a hollow structure with an opening on one side, away from the tool bit.

Preferably, the elastic component is of an arc structure, and the arc structure of the elastic component is matched with the arc part of the clamping part of the chuck.

Preferably, the clamping mechanisms are three groups and correspond to three clamping parts of the chuck.

Preferably, be equipped with a plurality of anti-skidding bumps on the rubber sleeve internal surface, the elastomeric element surface is equipped with a plurality of anti-skidding bumps, when fixing milling cutter's handle of a knife on the chuck, elastomeric element is identical with chuck clamping part radian part, the anti-skidding bump on elastomeric element surface contacts with chuck clamping part radian part, frictional force between the increase, reduce the clearance between milling cutter's handle of a knife and the chuck, prevent that milling cutter from droing from the chuck when the work is rotatory, when milling cutter's handle of a knife is held by the chuck, remove the rubber sleeve, overlap the rubber sleeve on the chuck outer wall, anti-skidding bump on the rubber sleeve internal surface contacts with the chuck outer wall, frictional force between the increase, fixed milling cutter prevents that milling cutter from droing when the work is rotatory.

Preferably, the sliding blocks matched with the second sliding rails are arranged at the positions, connected with the second sliding rails in a sliding manner, on the rubber sleeve respectively, the sliding blocks are in sliding connection with the second sliding rails, when the cutter handle of the milling cutter is clamped by the chuck, the rubber sleeve can be moved and sleeved on the outer wall of the chuck, and the milling cutter is fixed in the chuck.

Preferably, the sliding groove is provided with an opening at one side far away from the tool bit, when the tool shank of the milling cutter is fixed in the chuck, the elastic component is matched with the radian part of the clamping part of the chuck, and two sides of the clamping part of the chuck can enter the sliding groove through the opening of the sliding groove, so that the sliding groove of the clamping mechanism can be clamped with two sides of the clamping part of the chuck, and the milling cutter is prevented from gradually extending out of and falling off from the chuck when the milling cutter rotates in work.

The utility model discloses following beneficial effect has: the utility model discloses the antiskid bump on well elastomeric element and elastomeric element surface has increased the frictional force between the handle of a knife and the chuck clamping part of milling cutter, reduces the clearance between the handle of a knife and the chuck clamping part of milling cutter, and the phenomenon that stretches out gradually, drops when preventing milling cutter work rotation from taking place in the chuck, and spout formation joint on chuck clamping part both sides and first splint, the second splint prevents that milling cutter shakes when rotatory, influences the machining precision.

The utility model discloses the spout of centre gripping structure and the rubber sleeve on the handle of a knife on the well handle of a knife make the chuck more firm centre gripping milling cutter, and milling cutter can not appear vibration phenomenon when the work is rotatory, and it is inhomogeneous to avoid milling cutter's tool bit to eat the sword volume when milling, has realized unexpected cutting effect, influences the machining precision, and the condition that the life of cutter reduces takes place.

Drawings

Fig. 1 is a schematic view of the unclamped state of the present invention.

Fig. 2 is a schematic view of the structure of the clamping state of the present invention.

Fig. 3 is an enlarged view of a in fig. 1.

In the figure: the tool comprises a tool handle 1, a tool bit 2, a first groove 3, a clamping mechanism 4, a first clamping plate 4-1, a second clamping plate 4-2, an elastic part 4-3, a sliding groove 5, a second groove 6 and a rubber sleeve 7.

Detailed Description

As shown in fig. 1 and 2, a milling cutter convenient to fix comprises a cutter handle 1 and a cutter head 2 connected with the cutter handle 1 into a whole, wherein the cutter head 2 comprises a cutting edge and a scrap groove, a first groove 3 is formed in the periphery of the outer wall of the cutter handle 1, a first slide rail is arranged in the first groove 3, a plurality of groups of clamping mechanisms 4 are arranged on the first slide rail, each group of clamping mechanism comprises a first clamping plate 4-1, a second clamping plate 4-2 and an elastic component 4-3, the first clamping plate 4-1 and the second clamping plate 4-2 are connected with the first slide rail in a sliding manner, the first clamping plate 4-1 and the second clamping plate 4-2 are inclined to the first slide rail, the elastic component 4-3 is arranged between the first clamping plate 4-1 and the second clamping plate 4-2, and sliding grooves 5 along the length direction of the cutter handle 1 are respectively arranged on the opposite surfaces of the first clamping plate 4-1 and the second clamping plate 4-2, the lower wall of the sliding groove 5 is higher than the upper surface of the elastic component 4-3, second grooves 6 are respectively formed in two sides of the tool holder 1 along the length direction of the tool holder, the second grooves 6 are located between the first grooves 3 and the tool bit 2, second sliding rails are arranged in the second grooves 6 in the two sides, a rubber sleeve 7 is connected onto the second sliding rails in a sliding mode, and the rubber sleeve 7 is of a hollow structure which is far away from an opening in one side of the tool bit.

Furthermore, the elastic components 4-3 are in a circular arc structure, and the clamping mechanisms 4 are in three groups. The inner surface of the rubber sleeve 7 is provided with a plurality of anti-skidding salient points, the surface of the elastic part 4-3 is provided with a plurality of anti-skidding salient points, sliding blocks matched with the second sliding rails are arranged at the positions, connected with the second sliding rails in a sliding mode, of the rubber sleeve 7, the sliding blocks are connected with the second sliding rails in a sliding mode, and an opening is formed in one side, away from the tool bit, of each sliding groove.

When the tool is used, the first clamping plate 4-1 and the second clamping plate 4-2 are respectively slid to elongate the elastic component 4-3, the distance between the first clamping plate 4-1 and the second clamping plate 4-2 is enlarged, one clamping part of the clamping heads enters the sliding groove 5 from the opening of the sliding groove 5, the clamping part is arranged between the first clamping plate 4-1 and the second clamping plate 4-2, the two sides of the clamping part are clamped in the sliding groove 5, then the first clamping plate 4-1 and the second clamping plate 4-2 are loosened, the first clamping plate 4-1 and the second clamping plate 4-2 in the clamping structure 4 clamp the clamping part by the elastic part 4-3, the elastic component 4-3 on the tool handle 1 is matched with the radian part of the clamping head, the other two clamping head clamping parts clamp in the same step, the anti-slip salient points on the surface of the elastic component 4-3 are contacted with the radian part of the clamping part, frictional force between the increase reduces the clearance between the handle of a knife and the chuck clamping part of milling cutter, makes milling cutter be difficult for stretching out the chuck at rotatory in-process, and when the milling cutter was held to the chuck, remove rubber sleeve 7, overlaps rubber sleeve 7 on the chuck outer wall, and anti-skidding bump and chuck outer wall contact on the 7 internal surfaces of rubber sleeve, frictional force between the increase realizes that milling cutter is fixed, the difficult mesh that drops.

Claims

1. A milling cutter convenient to fix comprises a cutter handle (1) and a cutter head (2) connected with the cutter handle (1) into a whole, wherein the cutter head (2) comprises a cutting edge and a scrap groove and is characterized in that a first groove (3) is formed in the periphery of the outer wall of the cutter handle (1), a first sliding rail is arranged in the first groove (3), a plurality of groups of clamping mechanisms (4) are arranged on the first sliding rail, each group of clamping mechanisms comprises a first clamping plate (4-1), a second clamping plate (4-2) and an elastic component (4-3), the first clamping plate (4-1) and the second clamping plate (4-2) are connected with the first sliding rail in a sliding manner, the first clamping plate (4-1) and the second clamping plate (4-2) are inclined with the first sliding rail, the elastic component (4-3) is arranged between the first clamping plate (4-1) and the second clamping plate (4-2), the novel tool holder is characterized in that a sliding groove (5) along the length direction of the tool holder (1) is formed in the opposite surface of the first clamping plate (4-1) and the second clamping plate (4-2), the lower wall of the sliding groove (5) is higher than the upper surface of the elastic component (4-3), second grooves (6) are formed in the two sides of the tool holder (1) along the length direction of the tool holder, the second grooves (6) are located between the first grooves (3) and the tool bit (2), second sliding rails are arranged in the second grooves (6) on the two sides, rubber sleeves (7) are connected on the second sliding rails in a sliding mode, and the rubber sleeves (7) are of hollow structures which are open on one side of the tool bit.

2. Milling cutter tool for facilitating fixation according to claim 1, characterised in that the resilient member (4-3) is of circular arc configuration.

3. Milling cutter tool for facilitating fixation according to claim 1, characterised in that the clamping means (4) are of three groups.

4. The milling cutter convenient for fixing according to claim 2, wherein a plurality of anti-skid convex points are arranged on the inner surface of the rubber sleeve (7), and a plurality of anti-skid convex points are arranged on the surface of the elastic component (4-3).

5. The milling cutter convenient to fix according to claim 1, wherein the rubber sleeve (7) is provided with a sliding block matched with the second slide rail at the sliding connection position with the second slide rail, and the sliding block and the second slide rail are in sliding connection.

6. Milling cutter tool for facilitating fixation according to claim 1, characterised in that the side of the slide groove (5) facing away from the cutter head (2) is provided with an opening.