CN213888219U

CN213888219U - High-toughness polycrystalline diamond cutting tool

Info

Publication number: CN213888219U
Application number: CN202022682803.3U
Authority: CN
Inventors: 崔小波
Original assignee: Jiangsu Yisidaer Precision Technology Co ltd
Current assignee: Jiangsu Yisidaer Precision Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-06
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a high-toughness diamond polycrystalline cutting tool, which relates to the technical field of hardware tools and comprises a blade, a tool bit and a fixed rotating rod, wherein the outer side of the tool bit is fixed with a blade, the outer side of the blade is provided with a bolt, the bolt penetrates through the blade and the tool bit, a fixed rod is fixed below the tool bit, one end of the fixed rod, which is far away from the tool bit, is fixed with an installation rod, the outer side of one end of the installation rod, which is far away from the fixed rod, is provided with a slide cylinder, and the outer side of the slide cylinder is provided with the fixed rotating rod. Meanwhile, the blade can change the polycrystalline diamond blade by adjusting the angle, thereby avoiding the influence on the working efficiency due to the abrasion and the change of the blade, through setting up thread groove and chip groove, be convenient for discharge unnecessary sweeps when the cutter operation, avoid influencing the operation precision, influence the finished product outward appearance.

Description

High-toughness polycrystalline diamond cutting tool

Technical Field

The utility model relates to a five metals cutter technical field specifically is a high tenacity diamond polycrystalline cutting tool.

Background

The diamond cutter has the characteristics of high hardness, high compressive strength, good heat conductivity, good wear resistance and the like, and can obtain high processing precision and processing efficiency in high-speed cutting, the characteristics of the diamond cutter are determined by the state of a diamond crystal, in the diamond crystal, four valence electrons of carbon atoms form bonds according to a tetrahedral structure, each carbon atom forms a covalent bond with four adjacent atoms to further form a diamond structure, the bonding force and the directionality of the structure are strong, so that the diamond has extremely high hardness, and the structure of the polycrystalline diamond is a fine-grain diamond sintered body with different orientations, although the bonding agent is added, the hardness and the wear resistance of the polycrystalline diamond are still lower than those of single-crystal diamond, and the PCD sintered body is isotropic, so that the polycrystalline diamond is not easy to crack along a single cleavage plane.

Currently, in the prior art, polycrystalline diamond cutters suffer from the following problems: 1. the existing polycrystalline diamond cutting tools are all installed on a tool clamping handle singly, when a diamond cutting edge is worn, the tools need to be replaced in front, and long tool replacement time exists, so that the machining precision of a workpiece is delayed. 2. The existing polycrystalline diamond cutting tool has the problems of tool adhesion, unsmooth chip removal and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high tenacity diamond polycrystalline cutting tool solves the installation of cutter tool bit and dismantles more complicated problem through the fixed bull stick of installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high tenacity diamond polycrystalline cutting tool, includes blade, tool bit and fixed bull stick, the outside of tool bit is fixed the blade, the bolt is installed in the outside of blade, the bolt runs through the blade with the tool bit, the below of tool bit is fixed with the dead lever, the dead lever is kept away from the one end of tool bit is fixed with the installation pole, the installation pole is kept away from the sliding barrel is installed in the one end outside of dead lever, the outside installation of sliding barrel fixed bull stick.

Preferably, the outer side of the blade is fixed with a diamond polycrystalline blade, the diamond polycrystalline blade is provided with three groups, the outer side of the blade is provided with a chip groove, and the blade is internally provided with a mounting hole.

Preferably, the inside of fixed bull stick is provided with the spout, the inside of fixed bull stick is fixed with fixed sleeve, fixed sleeve set up in the outside of installation pole, the outside of installation pole is provided with the draw-in groove, the draw-in groove is provided with two sets ofly.

Preferably, the bottom of slide cartridge is fixed with the clamping ring, the clamping ring set up in the inside of spout, the spring is installed to the below of clamping ring, the spring is provided with the multiunit, the spring is kept away from the one end of clamping ring is fixed in the bottom of fixed bull stick.

Preferably, the inside of fixed sleeve is provided with the recess, the recess is provided with two sets ofly, the bull stick is installed to the inboard of recess, the bull stick is provided with two sets ofly, the torsional spring is installed to the inboard of bull stick, the torsional spring is provided with two sets ofly, the torsional spring is fixed in fixed sleeve's inboard.

Preferably, the inner side of the rotating rod is provided with a first chute, the outer side of the first chute is hinged with a fixture block, the outer side of the fixture block is provided with a second chute, the second chute is arranged on the inner side of the fixed sleeve, one end of the fixture block is arranged on the inner side of the second chute, and the other end of the fixture block is arranged on the inner side of the clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the sliding barrel is pressed downwards to drive the compression ring to compress the spring, the rotating rod is pressed downwards at the same time to drive the rotating rod to rotate, so that the clamping block is driven to move leftwards on the inner side of the second sliding groove, the mounting rod is clamped into the inner side of the sliding barrel until the bottom of the mounting rod is clamped into the fixed rotating rod, the sliding barrel is loosened, the spring is expanded outwards to drive the sliding barrel to move upwards, so that the torsion spring is reset to drive the rotating rod to rotate, and the clamping block is driven to be clamped into the inner side of the clamping groove;

2. through the fixed diamond polycrystalline blade in the outside of blade, it is strong to have hardness, and wearability and impact toughness are strong, and diamond polycrystalline blade is changed to blade accessible angle of adjustment simultaneously, avoids changing because of blade wearing and tearing and influences work efficiency, through setting up thread groove and chip groove, is convenient for discharge unnecessary sweeps when the cutter operation, avoids influencing the operation precision, influences the finished product outward appearance of processing.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of a blade of the present invention;

FIG. 3 is a front sectional view of the fixing rotary rod of the present invention

Fig. 4 is an enlarged view of the structure at a in fig. 3 according to the present invention.

In the figure: 1-blade, 2-bolt, 3-tool bit, 4-thread groove, 5-sliding barrel, 6-fixed rotating rod, 7-installation rod, 8-fixed rod, 9-chip groove, 10-diamond polycrystalline blade, 11-installation hole, 12-pressing ring, 13-sliding groove, 14-spring, 15-rotating rod, 16-groove, 17-torsion spring, 18-clamping block, 19-fixed sleeve, 20-first sliding groove, 21-second sliding groove and 22-clamping groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a high tenacity diamond polycrystalline cutting tool, includes blade 1, tool bit 3 and fixed bull stick 6, and fixed blade 1 is fixed in the outside of tool bit 3, and bolt 2 is installed in the outside of blade 1, and bolt 2 runs through blade 1 and tool bit 3, and the below of tool bit 3 is fixed with dead lever 8, and the one end that tool bit 3 was kept away from to dead lever 8 is fixed with installation pole 7, and the one end outside that dead lever 8 was kept away from to installation pole 7 is installed the slide cartridge 5, and the fixed bull stick 6 of outside installation of slide cartridge 5.

Pressing down slide cartridge 5, driving clamping ring 12 pressure spring 14, simultaneously pressing down bull stick 15, drive bull stick 15 rotatory to drive fixture block 18 and remove left in the inboard of second spout 21, will install the inboard of pole 7 card income slide cartridge 5, until the bottom card goes into the inside of fixed bull stick 6, loosen slide cartridge 5, spring 14 outwards opens and drives slide cartridge 5 and upwards remove, thereby make torsional spring 17 reset and drive bull stick 15 rotatory, thereby drive fixture block 18 card inboard of draw-in groove 22.

In this embodiment, polycrystalline diamond blades 10 are fixed to the outer side of the blade 1, three groups of polycrystalline diamond blades 10 are provided, chip grooves 9 are provided on the outer side of the blade 1, and mounting holes 11 are provided in the blade 1.

Through the fixed diamond polycrystalline blade 10 in the outside at blade 1, it is strong to have hardness, and wearability and impact toughness are strong, and diamond polycrystalline blade 10 is changed to blade accessible angle of adjustment simultaneously, avoids changing because of blade wearing and tearing and influences work efficiency, through setting up thread groove 4 and chip groove 9, is convenient for discharge unnecessary sweeps when the cutter operation, avoids influencing the operation precision, influences the finished product outward appearance of processing.

In this embodiment, the sliding groove 13 is provided inside the fixed rotating rod 6, the fixed sleeve 19 is fixed inside the fixed rotating rod 6, the fixed sleeve 19 is provided outside the mounting rod 7, the clamping grooves 22 are provided outside the mounting rod 7, and two sets of clamping grooves 22 are provided.

The fixing sleeve 19 is provided inside the fixed rotary rod 6, and the engaging groove 22 is provided outside the mounting rod 7, thereby fixing the mounting rod 7 inside the fixing sleeve 19.

In this embodiment, a pressing ring 12 is fixed to the bottom of the slide cylinder 5, the pressing ring 12 is disposed inside the slide groove 13, springs 14 are mounted below the pressing ring 12, a plurality of sets of the springs 14 are provided, and one end of each spring 14, which is far away from the pressing ring 12, is fixed to the bottom of the fixed rotating rod 6.

The slide cylinder 5 drives the press ring 12 to press the spring 14 downwards, so that the installation rod 7 is convenient to install, the slide cylinder 5 is loosened, and the spring 14 drives the press ring 12 to rebound, so that the installation rod 7 is convenient to fix.

In this embodiment, the fixing sleeve 19 is provided with two sets of grooves 16, the grooves 16 are provided with two sets of rotating rods 15, the rotating rods 15 are provided with two sets of rotating rods 15, the torsion springs 17 are provided on the inner sides of the rotating rods 15, and the torsion springs 17 are fixed on the inner sides of the fixing sleeve 19.

The rotating rod 15 is pressed downwards through the mounting rod 7, so that the rotating rod 15 is driven to rotate on the inner side of the groove 16, and the torsion spring 17 is driven to contract.

In this embodiment, a first sliding groove 20 is disposed inside the rotating rod 15, a latch 18 is hinged outside the first sliding groove 20, a second sliding groove 21 is disposed outside the latch 18, the second sliding groove 21 is disposed inside the fixing sleeve 19, one end of the latch 18 is disposed inside the second sliding groove 21, and the other end of the latch 18 is disposed inside the slot 22.

The rotating rod 15 rotates to drive the clamping block 18 to slide on the inner sides of the second sliding groove 21 and the clamping groove 22, so that the mounting rod 7 is fixed or opened, and one end of the clamping block 18 slides on the inner side of the first sliding groove 20, so that the clamping block 18 is prevented from being stressed obliquely and not easy to push.

The working principle is as follows:

step 1: firstly, the sliding barrel 5 is pressed downwards to drive the compression ring 12 to compress the spring 14, the rotating rod 15 is pressed downwards at the same time to drive the rotating rod 15 to rotate, so that the fixture block 18 is driven to move leftwards at the inner side of the second sliding groove 21, the mounting rod 7 is clamped into the inner side of the sliding barrel 5 until the bottom of the mounting rod is clamped into the inner part of the fixed rotating rod 6, the sliding barrel 5 is loosened, the spring 14 is outwards opened to drive the sliding barrel 5 to move upwards, so that the torsion spring 17 is reset to drive the rotating rod 15 to rotate, so that the fixture block 18 is driven to be clamped into the inner side of the clamping groove 22, the utility model discloses a structure is firm, the operation is convenient, the mounting rod 7 can be rapidly mounted or dismounted by pressing the sliding barrel 5 downwards, and the replacement of the tool bit 3 is convenient;

step 2: secondly, through fixing diamond polycrystalline blade 10 in the outside of blade 1, it is strong to have hardness, and wearability and impact toughness are strong, and diamond polycrystalline blade 10 is changed to blade accessible angle of adjustment simultaneously, avoids changing because of the blade wearing and tearing and influences work efficiency, through setting up thread groove 4 and chip groove 9, is convenient for discharge unnecessary sweeps when the cutter operation, avoids influencing the operation precision, influences the finished product outward appearance.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high tenacity diamond polycrystalline cutting tool, includes blade (1), tool bit (3) and fixed bull stick (6), its characterized in that: the outside of tool bit (3) is fixed blade (1), bolt (2) are installed in the outside of blade (1), bolt (2) run through blade (1) with tool bit (3), the below of tool bit (3) is fixed with dead lever (8), keep away from dead lever (8) the one end of tool bit (3) is fixed with installation pole (7), installation pole (7) are kept away from slide (5) are installed in the one end outside of dead lever (8), the outside installation of slide (5) fixed bull stick (6).

2. A high toughness diamond polycrystalline cutting tool as claimed in claim 1, wherein: the outer side of the blade (1) is fixed with a diamond polycrystalline blade (10), the diamond polycrystalline blade (10) is provided with three groups, the outer side of the blade (1) is provided with a chip groove (9), and the inner part of the blade (1) is provided with a mounting hole (11).

3. A high toughness diamond polycrystalline cutting tool as claimed in claim 1, wherein: the inside of fixed bull stick (6) is provided with spout (13), the inside of fixed bull stick (6) is fixed with fixed sleeve (19), fixed sleeve (19) set up in the outside of installation pole (7), the outside of installation pole (7) is provided with draw-in groove (22), draw-in groove (22) are provided with two sets ofly.

4. A high toughness diamond polycrystalline cutting tool as claimed in claim 3, wherein: the bottom of slide cartridge (5) is fixed with clamping ring (12), clamping ring (12) set up in the inside of spout (13), spring (14) are installed to the below of clamping ring (12), spring (14) are provided with the multiunit, spring (14) are kept away from the one end of clamping ring (12) is fixed in the bottom of fixed bull stick (6).

5. A high toughness diamond polycrystalline cutting tool as claimed in claim 3, wherein: the inside of fixed sleeve (19) is provided with recess (16), recess (16) are provided with two sets ofly, bull stick (15) are installed to the inboard of recess (16), bull stick (15) are provided with two sets ofly, torsional spring (17) are installed to the inboard of bull stick (15), torsional spring (17) are provided with two sets ofly, torsional spring (17) are fixed in the inboard of fixed sleeve (19).

6. A high toughness diamond polycrystalline cutting tool as claimed in claim 5, wherein: the inboard of bull stick (15) is provided with first spout (20), the outside of first spout (20) articulates there is fixture block (18), the outside of fixture block (18) is provided with second spout (21), second spout (21) set up in the inboard of fixed sleeve (19), the one end of fixture block (18) set up in the inboard of second spout (21), the other end of fixture block (18) set up in the inboard of draw-in groove (22).