CN213729568U

CN213729568U - R-angle milling cutter

Info

Publication number: CN213729568U
Application number: CN202022410053.4U
Authority: CN
Inventors: 王永
Original assignee: Wuxi Zhongsheng Precision Technology Co ltd
Current assignee: Wuxi Zhongsheng Precision Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-20
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses an R-angle milling cutter, which comprises a cutter body, wherein one end of the cutter body is fixedly connected with a cutter head, the joint of the cutter head and the cutter body is provided with a round-corner transition, and the other end of the cutter head is arranged into a round head; the outer wall of the other end of the cutter body is provided with a positioning groove along the height direction of the cutter body, and the side wall opposite to the positioning groove is provided with a plurality of fixing holes along the height direction of the positioning groove. The tool body is installed and fixed in a hollow mode in the fixing sleeve, a positioning strip is fixed on the inner wall of the fixing sleeve and penetrates through the positioning groove; the side wall of the fixed sleeve is also provided with a fixed rod cylinder along the diameter direction of the fixed sleeve in a penetrating way, and the end part of the fixed rod cylinder extends into one of the fixed holes. The utility model discloses set up the arc surface to tool bit and cutter body junction, can whole shaping R angle, set up dead lever easy to assemble and dismantle.

Description

R-angle milling cutter

Technical Field

The utility model relates to a milling cutter specifically is a R angle milling cutter.

Background

Square holes or round holes are often formed in the cemented carbide, and after the holes are formed, a milling cutter is used for cutting, surface forming and other processes, and the milling cutter is needed when the end corners are subjected to R-angle treatment.

The milling cutter used at present has the problems that the R-angle is not smooth, and the whole cutter is inconvenient to mount and dismount.

SUMMERY OF THE UTILITY MODEL

For solving the defect of above-mentioned prior art, the utility model provides a R angle milling cutter, the utility model discloses set up the arc-shaped face to tool bit and cutter body junction, can the integral forming R angle, set up dead lever easy to assemble and dismantle.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: an R-angle milling cutter comprises a cutter body, wherein one end of the cutter body is fixedly connected with a cutter head, a round corner transition is arranged at the joint of the cutter head and the cutter body, and the other end of the cutter head is provided with a round head;

the outer wall of the other end of the cutter body is provided with a positioning groove along the height direction of the cutter body, and the side wall opposite to the positioning groove is provided with a plurality of fixing holes along the height direction of the positioning groove.

The tool body is installed and fixed in a hollow mode, a positioning strip is fixed on the inner wall of the fixing sleeve, and the positioning strip penetrates through the positioning groove; the side wall of the fixed sleeve is also provided with a fixed rod cylinder along the diameter direction of the fixed sleeve in a penetrating way, and the end part of the fixed rod cylinder extends into one of the fixed holes.

Furthermore, a support rod is fixedly connected to the outer wall of the fixed sleeve, a stop block is fixed to the other end of the support rod, the fixed rod sleeve is sleeved on the support rod, and an elastic part is arranged between the stop block and the fixed rod sleeve.

Furthermore, a handle is fixed at the end part of the fixed rod barrel close to the stop block, and the outer side surface of the handle is in contact with the elastic piece.

Further, the fixing rod cylinder is open in the height direction thereof.

Further, the elastic member is a spring.

Furthermore, a sealing plate is arranged at the inner end of the fixed rod barrel, a containing groove is formed in the inner wall of the fixed sleeve, and the sealing plate can be embedded in the containing groove.

To sum up, the utility model discloses following technological effect has been gained:

1. the utility model is provided with a cutter body for being installed on a rotating device, and the fillet transition at the joint of a cutter head and the cutter body can form an R angle;

2. the utility model is provided with the positioning strip and the positioning groove to preliminarily position the cutter body, and then the cutter body can be fixed by utilizing the fixed rod barrel, thereby ensuring the stability of the milling cutter during use;

3. the utility model is provided with the fixed rod barrel and the spring, the fixed rod barrel can be pulled back manually to withdraw the milling cutter, and the cutter can be kept fixed under the action of the spring force by loosening the hand;

4. the utility model discloses a fixed rod section of thick bamboo is the opening form along its direction of height, and open-ended maximum diameter is less than the diameter of a fixed rod section of thick bamboo, and this opening can hold the bracing piece on the one hand and let the bracing piece fix on fixed sheathe in, and on the other hand can move along the diametric (al) of fixed cover for can fix the cutter body or loosen the cutter body.

Drawings

Fig. 1 is a schematic cross-sectional view of a milling cutter according to an embodiment of the present invention;

FIG. 2 is a schematic view of a milling cutter attachment;

FIG. 3 is a schematic view of the partially fixed milling cutter of FIG. 2;

FIG. 4 is a schematic view of the milling cutter of FIG. 2 with portions removed;

fig. 5 is a schematic view of the stationary barrel assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b):

as shown in fig. 1, an R-angle milling cutter comprises a cutter body 1, wherein a cutter head 102 is fixedly connected to one end of the cutter body 1, a round corner transition is arranged at the joint of the cutter head 102 and the cutter body 1 and used for forming an R angle at an end corner of a hole, and a round head 103 is arranged at the other end of the cutter head 102, so that alloy itself is not damaged.

As shown in fig. 1, the outer wall of the other end of the cutter body 1 is provided with a positioning groove 105 along the height direction thereof, the positioning groove 105 may be shaped in various shapes such as a circle, a square, a triangle, or a special shape, in order to initially position the cutter body 1, the positioning groove 105 is provided with a plurality of fixing holes 106 along the height direction thereof on the opposite side walls, the fixing holes 106 may be shaped in various shapes such as a circle, a square, a triangle, or a special shape, in order to completely fix the cutter body 1.

As shown in fig. 2, the cutting tool further comprises a fixing sleeve 2, the fixing sleeve 2 is hollow inside and used for installing and fixing the cutting tool body 1, the fixing sleeve 2 is fixed on the connecting plate 3 and is installed on a rotating device (not shown) to rotate, a positioning strip (not shown) is fixed on the inner wall of the fixing sleeve 2, the positioning strip penetrates through the positioning groove 105, the shape of the positioning strip is matched with that of the positioning groove 105, and in the embodiment, the cross sections of the positioning strip and the positioning strip are semicircular and used for primarily positioning the cutting tool body 1; as shown in fig. 3, the fixing sleeve 2 has a fixing rod tube 7 extending through the side wall in the diameter direction, and the end of the fixing rod tube 7 extends into one of the fixing holes 106 for fixing the tool body.

Fixedly connected with bracing piece 4 on fixed cover 2 outer wall, combine fig. 5 (fixed cover 2 is not shown in fig. 5), fixed rod section of thick bamboo 7 is the opening form along its direction of height, and open-ended maximum diameter is less than the diameter of fixed rod section of thick bamboo 7, and this opening can hold bracing piece 4 and let bracing piece 4 fix on fixed cover 2 on the one hand, and on the other hand can move along the diametric (al) of fixed cover for can fix the cutter body or loosen the cutter body.

A stop block 5 is fixed at the other end of the support rod 4, a fixed rod barrel 7 is sleeved on the support rod 4, and an elastic part 8 is arranged between the stop block 5 and the fixed rod barrel 7. Further, a handle 6 is fixed at the end part of the fixed rod barrel 7 close to the stop block 5, the outer side surface of the handle 6 is in contact with an elastic piece 8, the elastic piece 8 adopts a spring, and the spring is always in a compression state, so that the spring pushes the fixed rod barrel 7 to the inside of the cutter body 1.

When the hand-held handle 6 moves, the fixed rod cylinder 7 can be pulled to the stop block 5, meanwhile, as shown in fig. 3, the sealing plate 701 is arranged at the inner end of the fixed rod cylinder 7, the accommodating groove 201 is formed in the inner wall of the fixed sleeve 2, and the sealing plate 701 can be embedded in the accommodating groove 201, as shown in fig. 4, so that the fixed rod cylinder 7 is completely hidden in the fixed sleeve 2, and the cutter body 1 can pass through smoothly.

The handle 6 is loosened, the fixed rod barrel 7 can extend into the fixed sleeve 2 under the action of the spring, and as shown in fig. 3, the fixed rod barrel 7 can extend into one of the positioning grooves 105 to realize the positioning of the cutter body.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. An R-angle milling cutter characterized in that: the cutting tool comprises a tool body (1), wherein one end of the tool body (1) is fixedly connected with a tool bit (102), a round corner transition is arranged at the joint of the tool bit (102) and the tool body (1), and the other end of the tool bit (102) is provided with a round head (103);

the cutter body (1) is characterized in that a positioning groove (105) is formed in the outer wall of the other end of the cutter body along the height direction of the cutter body, and a plurality of fixing holes (106) are formed in the side wall, opposite to the positioning groove (105), of the cutter body along the height direction of the cutter body.

2. The R-angle milling cutter according to claim 1, wherein: the tool body (1) is hollow inside the fixed sleeve (2) and is used for installation and fixation, and a positioning strip is fixed on the inner wall of the fixed sleeve (2) and penetrates through the positioning groove (105); the side wall of the fixed sleeve (2) is also provided with a fixed rod cylinder (7) along the diameter direction of the fixed sleeve in a penetrating way, and the end part of the fixed rod cylinder (7) extends into one of the fixed holes (106).

3. An R-angle milling cutter according to claim 2, wherein: fixedly connected with bracing piece (4) on fixed cover (2) outer wall, another tip of bracing piece (4) is fixed with dog (5), a fixed rod section of thick bamboo (7) cover is established on bracing piece (4), dog (5) with be equipped with elastic component (8) between a fixed rod section of thick bamboo (7).

4. An R-angle milling cutter according to claim 3, wherein: the end part, close to the stop block (5), of the fixed rod barrel (7) is fixedly provided with a handle (6), and the outer side face of the handle (6) is in contact with the elastic piece (8).

5. The R-angle milling cutter according to claim 4, wherein: the fixed rod barrel (7) is open along the height direction.

6. The R-angle milling cutter according to claim 4, wherein: the elastic piece (8) adopts a spring.

7. An R-angle milling cutter according to claim 5, wherein: the inner of fixed rod section of thick bamboo (7) is equipped with shrouding (701), holding tank (201) have been seted up on the inner wall of fixed cover (2), shrouding (701) can inlay to be established in holding tank (201).