CN216912137U

CN216912137U - Anti-chip removal cutter with replaceable chip blocking block

Info

Publication number: CN216912137U
Application number: CN202122620696.6U
Authority: CN
Inventors: 李金卫; 张海彬; 张艳丽; 赵俊杰
Original assignee: Zhengzhou Diamond Precision Manufacturing Co Ltd
Current assignee: Zhengzhou Diamond Precision Manufacturing Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-07-08
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to an anti-chip removal tool with a replaceable chip blocking block, which comprises a tool body, wherein a plurality of PCD tool bits and chip blocking blocks corresponding to the PCD tool bits are uniformly arranged at the left end of the tool body along the circumferential direction of the tool body, the chip blocking blocks are detachably connected above the front tool face of the PCD tool bits, the distance between the chip blocking blocks and the PCD tool bits is set as a chip removal space, and the chip blocking blocks are provided with various specifications to adjust the chip removal space. Therefore, the problem that the existing PCD (polycrystalline diamond) cutter is fixed by brazing and welding at the position where the chip blocking block is arranged is solved, so that the chip blocking block is fixed by welding to ensure that the chip removal space is fixed, the chip removal space is not convenient to adjust for secondary use according to the field requirement, and the cutter welded with the chip blocking block can only be scrapped integrally if the chip removal space is required to be adjusted; and when the PCD cutter head of the cutter is polished and the chip blocking block is damaged or abraded, the whole cutter can only be scrapped.

Description

Anti-chip removal cutter with replaceable chip blocking block

Technical Field

The utility model relates to the technical field of cutters, in particular to a chip removal resisting cutter assembled with a replaceable chip blocking block.

Background

At present, in order to clean chips, a cutter is generally provided with a chip blocking block, as shown in fig. 1, the position of the chip blocking block arranged on the conventional PCD (polycrystalline diamond) cutter is fixed by brazing welding, and the distance between the surface of the chip blocking block parallel to the cutter and the cutting edge of the cutter is a chip removal space, so that the chip removal space is fixed by welding and fixing the chip blocking block, the chip removal space is not easy to adjust for secondary use according to the field requirement, and the cutter welded with the chip blocking block can only be scrapped integrally if the chip removal space needs to be adjusted; and when the PCD cutter head of the cutter is polished and the chip blocking block is damaged or abraded, the whole cutter can only be scrapped.

Therefore, how to overcome the above-mentioned deficiencies in the conventional technologies becomes an important technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a chip removal tool with a replaceable chip blocking block, which aims to solve the problems that the chip blocking block is arranged on the conventional PCD (polycrystalline diamond) tool and is fixed by brazing welding, so that the chip blocking block is fixed by welding to ensure that a chip removal space is fixed, the chip removal space is not convenient to adjust for secondary use according to the field requirement, and the chip removal tool with the chip blocking block can only be scrapped integrally if the chip removal space is required to be adjusted; and when the PCD cutter head of the cutter is polished and the chip blocking block is damaged or abraded, the whole cutter can only be scrapped.

The anti-chip removal tool provided with the replaceable chip blocking block adopts the following technical scheme:

the utility model provides an assembly interchangeable formula keeps off anti-chip removal cutter of bits piece, includes the cutter body, the cutter body left end along its circumference evenly arranged a plurality of PCD tool bits and with the corresponding fender bits piece of PCD tool bit, keep off bits piece detachably and connect in PCD tool bit rake face top, keep off the bits piece with distance between the PCD tool bit is established to the chip removal space, just keep off the bits piece and be equipped with multiple specification size, with the adjustment the chip removal space.

Preferably, the chip blocking block is connected with the upper portion of the front cutter face of the PCD cutter head through an assembly type screw, a through hole is formed in the chip blocking block, a threaded hole is formed in the cutter body, and the assembly type screw penetrates through the through hole and is fixed in the threaded hole.

Preferably, the PCD cutter head and the chip blocking block are respectively provided with two parts, the PCD cutter head and the chip blocking block are arranged in a crossed mode along the circumferential direction of the cutter body, and the outer diameter of the chip blocking block is smaller than that of the PCD cutter head.

The utility model has the beneficial effects that: the chip blocking block is detachably connected with the upper part of the front tool face of the PCD tool bit, (1) the chip blocking block can be quickly replaced according to the field processing requirement; (2) according to the change of the machining requirement, only a new chip blocking block needs to be replaced, the whole cutter does not need to be manufactured to manufacture a new product, and the cutter manufacturing period is saved; (3) the cutting edge of the PCD cutter head of the cutter can be polished normally, a new chip blocking block is replaced, a new cutter does not need to be manufactured again, and the longer service life of the cutter is realized; (4) the chip blocking block is only needed to be replaced by a new chip blocking block when being worn and abnormally damaged, and a new cutter does not need to be manufactured again.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

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, and 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.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic view of a fixed-type structure of a chip blocking block and a PCD bit in the prior art;

FIG. 2 is a front view of the overall cutter in an embodiment of the present invention;

FIG. 3 is a left side view of the overall cutter in an embodiment of the present invention;

fig. 4 is a plan view of the entire cutter in the embodiment of the present invention.

In the figure:

1-cutter body, 2-PCD cutter head, 3-chip blocking block, 4-through hole, 5-threaded hole and W-chip removal space.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the utility model described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the utility model described in the claims.

Referring to fig. 2-4, this specific embodiment provides an anti-chip removal tool for assembling a replaceable chip blocking block, which includes a tool body 1, a plurality of PCD tips 2 and chip blocking blocks 3 corresponding to the PCD tips 2 are uniformly arranged at the left end of the tool body 2 along the circumferential direction thereof, as shown in fig. 2 and 3, the chip blocking blocks 3 are detachably connected above the front tool face of the PCD tips 2, the distance between the chip blocking blocks 3 and the PCD tips 2 is set as a chip removal space W, specifically, the distance between the surface of the chip blocking blocks 3 parallel to the PCD tips 2 and the surface of the PCD tips 2 is the chip removal space W, the chip blocking blocks 3 are provided with various specifications and sizes to adjust the size of the chip removal space W, the specifications can use numbers N1, N2, N3 … … and the like, and the chip blocking blocks of corresponding specifications can be conveniently replaced according to the field requirements.

Specifically, as shown in fig. 3 and 4, the chip blocking block 3 is connected with the upper side of the front tool face of the PCD cutter head 2 through a fabricated screw, a through hole 4 is formed in the chip blocking block 3, a threaded hole 5 is formed in the cutter body 1, and the fabricated screw penetrates through the through hole 4 and is fixed in the threaded hole 5. Of course, it may be detachably connected by other fixing members, such as bolts, etc., as the case may be.

In this embodiment, specifically, as shown in fig. 3, two PCD tips 2 and two chip blocking blocks 3 are provided, the PCD tips 2 and the chip blocking blocks 3 are arranged in a crossed manner along the circumferential direction of the cutter body 1, and the outer diameter of the chip blocking block 3 is smaller than the outer diameter of the PCD tip 2.

Due to the arrangement, the problem that the existing PCD (polycrystalline diamond) cutter is fixed by brazing and welding at the position where the chip blocking block is arranged is solved, so that the chip blocking block is fixed by welding to ensure that the chip removal space is fixed, the chip removal space is not convenient to adjust for secondary use according to the field requirement, and the cutter welded with the chip blocking block can only be scrapped integrally if the chip removal space is required to be adjusted; and when the PCD cutter head of the cutter is polished and the chip blocking block is damaged or abraded, the whole cutter can only be scrapped.

By combining the above embodiments, the chip blocking block 3 arranged above the front tool face of the PCD cutter head 2 is locked and fixed by the assembling screw, the chip removal space W is controlled, the chip blocking block 3 can be configured with multiple specifications such as N1, N2, N3 … … and the like according to the requirements, and the chip blocking block with the required specification can be quickly replaced according to the field processing requirements, so that the size of the chip removal space W can be adjusted, and different processing environment requirements can be met; and the PCD cutter head 2 of the cutter is polished, the chip blocking block is damaged or abraded, the whole cutter does not need to be scrapped and a new product is made again, the old chip blocking block can be detached and the new chip blocking block can be replaced according to the requirement, the cutter can be integrally recycled, the service life of the cutter is prolonged, and the cutter making period is saved.

It should be noted that the words "upper", "left" and the like are used herein to indicate that the knife is placed in the state of fig. 2.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an assembly interchangeable formula keeps off anti-chip removal cutter of bits piece, includes the cutter body, the cutter body left end along its circumference evenly arranged a plurality of PCD tool bits and with the corresponding fender bits piece of PCD tool bit, its characterized in that, keep off bits piece detachably and connect in PCD tool bit rake face top, keep off the bits piece with distance between the PCD tool bit is established to the chip removal space, just keep off the bits piece and be equipped with multiple specification size, in order to adjust the chip removal space.

2. The anti-chip-removal tool assembly with the replaceable chip-blocking block of claim 1, wherein the chip-blocking block is connected to the upper portion of the front tool face of the PCD tool bit through an assembly screw, the chip-blocking block is provided with a through hole, the tool body is provided with a threaded hole, and the assembly screw penetrates through the through hole and is fixed in the threaded hole.

3. The anti-chip-removing tool for assembling the replaceable chip blocking block according to claim 1, wherein two of the PCD head and the chip blocking block are respectively provided, the PCD head and the chip blocking block are arranged in a crossed manner along the circumferential direction of the tool body, and the outer diameter of the chip blocking block is smaller than that of the PCD head.