CN118003219A - Diamond tool bit - Google Patents
Diamond tool bit Download PDFInfo
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- CN118003219A CN118003219A CN202410419367.0A CN202410419367A CN118003219A CN 118003219 A CN118003219 A CN 118003219A CN 202410419367 A CN202410419367 A CN 202410419367A CN 118003219 A CN118003219 A CN 118003219A
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- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 269
- 239000010432 diamond Substances 0.000 title claims abstract description 269
- 239000002245 particle Substances 0.000 claims abstract description 159
- 238000003466 welding Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000011159 matrix material Substances 0.000 abstract description 9
- 239000000843 powder Substances 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The invention discloses a diamond tool bit, which is provided with an easy-grinding area which is positioned in the middle and is not distributed with diamond particles, and two grinding working areas which are positioned at two sides of the easy-grinding area and are distributed with diamond particles, wherein the easy-grinding area is in a V shape and is gradually reduced from a cutting edge to a welding edge; in the cutting and grinding process, the easy-grinding area is ground to form a chip groove which is recessed from the edge to the welding edge, and diamond particles exposed on two side walls of the chip groove form new edge points; the chip groove is formed in the grinding process, so that the chip removal function can be achieved, the diamond particles are completely wrapped in matrix powder when the diamond tool bit is formed, the bonding is firmer, the diamond particles are not easy to fall off, the wear resistance is good, the service life is long, and the diamond particles exposed on the side wall of the chip groove form new sharp cutting edge points, the sharpness is improved, and therefore the cutting efficiency is improved.
Description
Technical Field
The invention relates to a tool bit, in particular to a diamond tool bit.
Background
The existing diamond tool bit has the characteristics of high hardness, high wear resistance and the like, is widely applied to cutting processing, can adapt to stratum with higher abrasive property and harder geology, and has excellent cutting performance; particularly, when the diamond tool bit is used for wear-resistant materials (such as stone and ceramic materials), the cutting effect of the diamond tool bit is good; the existing diamond tool bit is made of a plurality of layers of diamond blades, wherein the diamond blades contain diamond particles, and stone is cut by the diamond particles; however, the existing diamond cutter generally forms chip removal grooves at the interval between two adjacent diamond cutter heads, and has poor chip removal and heat dissipation performance; or chip grooves are formed on two side surfaces of the existing diamond tool bit in advance, so that chip removal and heat dissipation effects can be achieved; however, the existing diamond tool bit forms a chip groove during hot press molding or cold press molding, and diamond particles close to the chip groove lack matrix powder bonding and are easy to fall off in the grinding process; not only the cutting sharpness is affected, the wear resistance is poor, but also the service life of the diamond tool bit is seriously affected; in addition, most of the existing diamond tool bits are in a fan-shaped structure, and an included angle is formed between two straight edges of the fan-shaped structure; if diamond particles are orderly arranged along one straight edge direction of the fan shape, the diamond particles at the other straight edge position cannot be arranged in an array, so that the cutting forces on two sides of the diamond tool bit are different, and the sharpness and the service life of the diamond tool bit can be influenced.
In view of the above, the present inventors have developed and designed the present invention by intensively conceived against many defects and inconveniences caused by the imperfect structural design of the diamond tips, and actively studied and improved attempts.
Disclosure of Invention
The invention aims to provide a diamond tool bit, which forms a chip groove in the grinding process, not only can achieve the functions of chip removal and heat dissipation, but also diamond particles are completely wrapped in matrix powder when the diamond tool bit is formed, the bonding is firmer, the diamond tool bit is not easy to fall off, the wear resistance is good, the service life is long, and the diamond particles exposed on the side wall of the chip groove form a new sharp cutting edge point, so that the sharpness is improved, and the cutting efficiency is improved.
In order to achieve the above object, the solution of the present invention is:
The diamond tool bit is provided with an easy-grinding area which is positioned at the middle position and is not distributed with diamond particles, and two grinding working areas which are positioned at two sides of the easy-grinding area and are distributed with diamond particles, wherein the easy-grinding area is in a V shape and is gradually reduced from a cutting edge to a welding edge; in the cutting and grinding process, the easy-to-grind area is ground to form a chip groove which is recessed from the blade edge to the welding edge, and diamond particles exposed on two side walls of the chip groove form new blade points.
The diamond tool bit is provided with at least two layers of first blades, and the first blades are provided with a first easily-ground area which is positioned at the middle position and is not distributed with diamond particles and two first grinding working areas which are positioned at two sides of the first easily-ground area and are distributed with diamond particles; and a plurality of first diamond particle columns are sequentially distributed on the two first grinding working areas respectively, and the first diamond particle columns positioned on the same side of the first easily-ground area are distributed along parallel lines on the side edge of the first easily-ground area on the side.
The distance between two adjacent first diamond particle columns positioned on the same side of the first easily-ground area is a first distance; the distance between the two rows of first diamond particles on the two sides of the first easily-ground area and the two rows of first diamond particles near the welding edge is a second distance, and the second distance is smaller than the first distance.
The diamond tool bit is also provided with two layers of second blades which are respectively positioned at the outer sides of the two first blades, and the second blades are provided with a second easily-ground area which is positioned at the middle position and is not distributed with diamond particles and a second grinding working area which is positioned at the two sides of the second easily-ground area and is distributed with diamond particles; and a plurality of second diamond particle columns are sequentially distributed on the two second grinding working areas respectively, and the plurality of second diamond particle columns positioned on the same side of the second easily-ground area are distributed along parallel lines on the side edge of the second easily-ground area on the side.
The two side edges of the first easily-ground area are respectively arranged in parallel with the two side edges of the second easily-ground area; and the first diamond particle row and the second diamond particle row which are positioned on the same side of the easy-grinding area are parallel and arranged in a staggered manner.
The distance between two rows of second diamond particles on two sides of the second easily-ground area and two rows of second diamond particles near the welding edge is a third distance, and the third distance is larger than the second distance; in the cutting and grinding process, the first easily-ground area and the second easily-ground area are ground to form chip grooves with large sides and small middle parts; the diamond particles exposed on the two side walls of the chip groove are enclosed into two symmetrically arranged arrow-shaped cutting edges.
The distance between two adjacent first diamond particle columns positioned on the same side of the second easily-ground area is a fourth distance which is equal to the first distance; the diamond particles of the first diamond particle row and the second diamond particle row positioned on the same side of the easy-to-grind region form a plurality of arrow-shaped cutting edges on the edge.
The diamond tool bit is also provided with at least one layer of third blade positioned between the two first blades, and the third blade is provided with a third easily-ground area positioned in the middle position and not distributed with diamond particles and a third grinding working area positioned at two sides of the third easily-ground area and distributed with diamond particles; and a plurality of rows of third diamond particle rows are sequentially distributed on the two third grinding working areas respectively, and the plurality of rows of third diamond particle rows positioned on the same side of the third easily-ground area are distributed along parallel lines on the side edge of the third easily-ground area on the side.
The two side edges of the third easily-ground area are respectively arranged in parallel with the two side edges of the first easily-ground area; and the third diamond particle row, the first diamond particle row and the second diamond particle row which are positioned on the same side of the easy-grinding area are parallel and arranged in a staggered manner.
The third grinding area is divided into an upper part which is close to the cutting edge and is in a V shape and a lower part which is close to the welding edge and is in a V shape, two rows of third diamond particle rows on two sides of the upper part extend from the cutting edge to the middle position, the distance between the two rows of third diamond particles on two sides of the upper part and the two diamond particles on the two sides close to the middle position is a fifth distance, and the fifth distance is smaller than the third distance and larger than or equal to the second distance; the interval between the two rows of third diamond particles on the two sides of the lower part and the two diamond particles near the welding edge is a sixth interval, and the sixth interval is larger than the third interval; in the cutting and grinding process, the first easily-ground area, the second easily-ground area and the third easily-ground area are ground to form chip grooves with large sides and small middle parts; the diamond particles exposed on the two side walls of the chip groove are enclosed into two symmetrically arranged arrow-shaped cutting edges.
The distance between every two adjacent third diamond particle columns positioned on the same side of the third easily-ground area is a seventh distance, and the seventh distance is equal to the first distance; the diamond particles of the first diamond particle row, the second diamond particle row and the third diamond particle row, which are positioned on the same side of the easy-to-grind region, form a plurality of arrow-shaped cutting edges on the edge.
The diamond tip also has two layers of third blades intermediate the two first blades.
The arrows of the plurality of arrow-shaped cutting edges on the same side of the region of easy grinding face the center line of the diamond tip.
The multiple arrow-shaped cutting edges positioned on the same side of the easy-grinding area are sequentially connected.
The diamond tool bit is fan-shaped, two straight sides of the diamond tool bit and two side edges of the easy-grinding area are respectively arranged in parallel.
By adopting the structure, in the grinding process of the diamond tool bit, the easy-to-grind area which is not distributed with diamond particles is easy to grind and dent to form the chip groove, so that the chip removal and heat dissipation functions can be achieved, and the easy-to-grind area is filled with matrix powder, so that the diamond particles are completely wrapped in the matrix powder when the diamond tool bit is formed, the bonding is firmer, the diamond tool bit is not easy to fall off, the wear resistance is good, and the service life is long; after the easy-grinding area is ground into the chip groove, diamond particles exposed on the side wall of the chip groove form new sharp cutting edge points, so that sharpness is improved, and cutting efficiency is improved; the easy-to-grind area is V-shaped and gradually tapers from the edge to the welding edge, and in the grinding process, the chip groove of the diamond tool bit gradually becomes smaller from no to large and finally becomes no; the two grinding working areas are always of an integrated structure, so that the structural strength of the diamond tool bit is stronger, the cutting efficiency is better, and the service life is longer; avoiding the separation of the two grinding working areas from the base body, which leads to the detachment of the diamond tool bit.
Drawings
FIG. 1 is a schematic view of a diamond tip according to the present invention;
FIG. 2 is a schematic front view of a diamond tip of the present invention;
FIG. 3 is a schematic cross-sectional view taken in the direction A-A of FIG. 2;
FIG. 4 is an exploded view of a diamond tip of the present invention;
FIG. 5 is a schematic front view of a first blade of the present invention;
FIG. 6 is a schematic front view of a second blade of the present invention;
fig. 7 is a schematic front view of a third blade of the present invention.
Symbol description
Diamond tips 10; an easy-grinding region 20; grinding the work area 30; a blade edge 40; welding the edge 50; junk slots 60; a first blade 1; a first region of easy grinding 11; a first grinding work zone 12; a first diamond particle column 121; a first pitch L1; a second pitch L2; a second blade 2; a second region of easy grinding 21; a second grinding work zone 22; a second column 221 of diamond particles; a third pitch L3; a fourth pitch L4; an arrow-shaped cutting edge 70; a third blade 3; a third grinding facilitating region 31; a third grinding work zone 32; a third column 321 of diamond particles; an upper portion 311; a lower portion 312; a fifth pitch L5; sixth pitch L6.
Detailed Description
In order to further explain the technical scheme of the invention, the invention is explained in detail by specific examples.
Referring to fig. 1 to 7, the present invention discloses a diamond tool tip, wherein the diamond tool tip 10 has a region 20 with easy grinding that is located at a middle position and is not distributed with diamond particles, and two grinding working regions 30 that are located at two sides of the region 20 with easy grinding and are distributed with diamond particles, and the region 20 with easy grinding is V-shaped and is gradually reduced from a cutting edge 40 to a welding edge 50; during the cutting grinding process, the easily ground region 20 is ground to form a chip groove 60 recessed from the blade edge 40 toward the welding edge 50, and diamond particles exposed on both side walls of the chip groove 60 form new blade points.
In the grinding process of the diamond tool bit 10, the easy-to-grind area 20 without diamond particles is easy to grind and dent to form the chip groove 60, so that the chip removal and heat dissipation functions can be achieved, and the easy-to-grind area 20 is filled with matrix powder, so that the diamond particles are completely wrapped in the matrix powder when the diamond tool bit 10 is molded, the bonding is firmer, the diamond tool bit is not easy to fall off, the wear resistance is good, and the service life is long; after the easy-grinding area 20 is ground into the chip groove 60, diamond particles exposed on the side wall of the chip groove 60 form new sharp cutting edge points, so that sharpness is improved, and cutting efficiency is improved; the easy-to-grind area 20 is V-shaped and gradually tapers from the cutting edge 40 to the welding edge 50, and during grinding, the chip grooves 60 of the diamond tool bit 10 gradually decrease from none to one and from large to small and finally become none; the two grinding working areas 30 are always of an integral structure, so that the structural strength of the diamond tool bit 10 is stronger, the cutting efficiency is better, and the service life is longer; avoiding separation of the two grinding working areas 30 which could result in the diamond tip 10 being detached from the substrate.
The diamond tool head 10 is provided with at least two layers of first blades 1, wherein the first blades 1 are provided with a first easily-ground area 11 which is positioned at the middle position and is not distributed with diamond particles, and two first grinding working areas 12 which are positioned at two sides of the first easily-ground area 11 and are distributed with diamond particles; a plurality of first diamond particle columns 121 are sequentially distributed on the two first grinding working areas 12 respectively, and the plurality of first diamond particle columns 121 positioned on the same side of the first easily-ground area 11 are distributed along parallel lines on the side edge of the first easily-ground area 11 on the same side; when the diamond tool bit 10 is ground, the first easily ground areas 11 of the two first blades 1 are easily ground and recessed to form chip grooves 60, and two sides of the chip grooves 60 penetrate through two sides of the diamond tool bit, so that chip removal and heat dissipation functions can be achieved; and the diamond particles exposed on the side wall of the chip groove 60 form new sharp cutting edge points, so that the sharpness is improved, and the cutting efficiency is improved; the diamond particles on the first grinding working area 12 are distributed along parallel lines on the sides of the first easily-ground area 11, and the first diamond particle columns 121 on the two sides of the first easily-ground area 11 can limit the size of the chip grooves formed by grinding the first easily-ground area 11, so that the cutting and chip removing efficiency of the diamond tool bit 10 is improved.
The first easily-ground area 11 is V-shaped, namely, the included angle between two side edges of the first easily-ground area 11 is an acute angle; in the grinding process, the first easily-ground area 11 is ground to form the V-shaped chip removal groove 60, so that the chip removal effect is better.
The distance between two adjacent first diamond particle columns 121 positioned on the same side of the first easily-ground area 11 is a first distance L1; the spacing between the two first diamond particle rows 121 on the two sides of the first grinding facilitating region 11 near the welding edge is a second spacing L2, and the second spacing L2 is smaller than the first spacing L1; when the diamond tool bit 10 grinds and consumes to the welding limit 50, the second interval between two diamond particles on the two sides of the first easy-to-grind area 11 is smaller, and no chip groove can be formed, so that the two first grinding working areas are all the time of an integral structure, the structural strength of the diamond tool bit is stronger, and the cutting efficiency is better.
The diamond tool head 10 of the invention is also provided with two layers of second blades 2 which are respectively positioned outside the two first blades 1, wherein the second blades 2 are provided with a second easily-grinded area 21 which is positioned in the middle and is not distributed with diamond particles, and second grinding working areas 22 which are positioned at two sides of the second easily-grinded area 21 and are distributed with diamond particles; a plurality of second diamond particle rows 221 are sequentially distributed on the two second grinding working areas 22, and the plurality of second diamond particle rows 221 on the same side of the second easily-ground area 21 are distributed along parallel lines on the side edge of the second easily-ground area 21 on the same side; in the cutting and grinding process, the first easy-grinding area 11 and the second easy-grinding area 21 form an easy-grinding area 20, and are easy to be ground and recessed to form the chip removal groove 60, so that the chip removal and heat dissipation functions can be achieved, and diamond particles are completely wrapped in matrix powder when the diamond tool bit 10 is molded, so that the bonding is firmer, the diamond tool bit is not easy to fall off, the wear resistance is good, and the service life is long; and after the easy-grinding area 20 is ground into the chip groove 60, diamond particles exposed on the side wall of the chip groove 60 form new sharp cutting edge points, so that sharpness is improved, and cutting efficiency is improved.
The two side edges of the first easily-ground area 11 are respectively arranged in parallel with the two side edges of the second easily-ground area 21; the first diamond particle row 121 and the second diamond particle row 221 which are positioned on the same side of the easy-to-grind region 20 are arranged in parallel and in a staggered manner; the first blade 1 and the second blade 2 of the diamond cutter head 10 are arranged in a staggered manner, so that the positions of the cutting edge points are staggered, the stress points of the diamond cutter head for cutting and grinding can be increased, and the cutting and grinding efficiency and quality are improved; and in the cutting and grinding process, the loss of diamond particles is reduced, the utilization rate of the diamond particles is improved, and the service life of the diamond tool bit 10 is effectively prolonged.
The spacing between two rows of second diamond particles 221 on two sides of the second easily-ground region 21 near the welding edge 50 is a third spacing L3, wherein the third spacing L3 is greater than the second spacing L2; during the cutting and grinding process, the first easily-ground area 11 and the second easily-ground area 21 are ground to form chip grooves 60 with large sides and small middle parts; the diamond particles exposed on the two side walls of the chip groove 60 enclose two symmetrically arranged arrow-shaped cutting edges 70; the arrow-shaped cutting edge 70 makes the diamond tip 10 sharper, improving cutting grinding efficiency.
The distance between two adjacent first diamond particle columns 221 positioned on the same side of the second easily-ground area 21 is a fourth distance L4, and the fourth distance L4 is equal to the first distance L1; the diamond particles of the first diamond particle row 121 and the second diamond particle row 221 located on the same side of the easy-to-grind region 20 enclose a plurality of arrow-shaped cutting edges 70 on the cutting edge 40, so that the cutting edge 40 of the diamond tip 10 is sharper, and the cutting grinding efficiency is improved.
The diamond tool bit 10 of the invention has a four-layer blade structure; the blade arrangement sequence of the diamond tool tip 10 is that the second blade 2+the first blade 1+the second blade 2.
The diamond tool head 10 of the present invention further has at least one layer of third blades 3 located in the middle of the two first blades 1, the third blades 3 having a third easily-ground region 31 located in the middle and not distributed with diamond particles and a third grinding working region 32 located at both sides of the third easily-ground region 31 and distributed with diamond particles; a plurality of third diamond particle rows 321 are sequentially distributed on the two third grinding working areas 32, and the plurality of third diamond particle rows 321 positioned on the same side of the third easily-ground area 31 are distributed along parallel lines on the side edge of the third easily-ground area 31 on the side; in the cutting and grinding process, the first easy-grinding area 11, the second easy-grinding area 21 and the third easy-grinding area 31 form an easy-grinding area 20, and are easy to grind and dent to form the chip removal groove 60, so that the chip removal and heat dissipation functions can be achieved, and diamond particles are completely wrapped in matrix powder when the diamond tool bit 10 is molded, so that the bonding is firmer, the diamond tool bit is not easy to fall off, the wear resistance is good, and the service life is long; and after the easy-grinding area 20 is ground into the chip groove 60, diamond particles exposed on the side wall of the chip groove 60 form new sharp cutting edge points, so that sharpness is improved, and cutting efficiency is improved.
The two sides of the third easily-ground area 31 are respectively arranged in parallel with the two sides of the first easily-ground area 11; the third diamond particle row 321, the first diamond particle row 121 and the second diamond particle row 221 which are positioned on the same side of the easy-to-grind area 20 are arranged in parallel and in a staggered manner; the diamond particles on the first blade 1, the second blade 2 and the third blade 3 of the diamond cutter head 10 are arranged in a staggered manner, so that the positions of the cutting edge points are staggered, the stress points of the diamond cutter head 10 for cutting and grinding can be increased, and the cutting and grinding efficiency and quality are improved; and in the cutting and grinding process, the loss of diamond particles is reduced, the utilization rate of the diamond particles is improved, and the service life of the diamond tool bit 10 is effectively prolonged.
The third easily-ground area 31 is divided into an upper part 311 which is adjacent to the cutting edge 40 and has a V shape and a lower part 312 which is adjacent to the welding edge 50 and has a V shape, wherein two third diamond particle rows 321 on two sides of the upper part 311 extend from the cutting edge 40 to the middle position, the distance between the two third diamond particles 321 on two sides of the upper part 311 at the position adjacent to the middle position is a fifth distance L5, and the fifth distance L5 is smaller than the third distance L3 and is greater than or equal to the second distance L2; the intervals between the two third diamond particle rows 321 on both sides of the lower portion 312 at the positions close to the welding edge 50 are a sixth interval L6, and the sixth interval L6 is greater than the third interval L3; in the cutting and grinding process, the chip grooves 60 respectively form chip removing spaces which are changed from large to small in the upper part 311 and the lower part 312 of the third easily-ground area 31, so that the arrangement of diamond particles is increased, and the cutting wear resistance and the cutting and grinding efficiency of the diamond tool bit 10 are improved.
The interval between two adjacent third diamond particle columns 321 positioned on the same side of the third easily-ground area 31 is a seventh interval L7, and the seventh interval L7 is equal to the first interval L1; the diamond particles of the first diamond particle row 121, the second diamond particle row 221, and the third diamond particle row 321, which are located on the same side of the easy-to-grind region 20, enclose a plurality of arrow-shaped cutting edges 70 on the cutting edge 40, so that the cutting edge 40 of the diamond bit 10 is sharper, and the cutting grinding efficiency is improved.
The diamond tool tip 10 of the present invention has a five-layer blade structure; the blade arrangement sequence of the diamond tool tip 10 is that the second blade 2+the first blade 1+the third blade 3+the first blade 1+the second blade 2.
In the cutting and grinding process, the first easily-ground area 11 and the second easily-ground area 21 are ground to form chip grooves on two sides of the third blade 3, and the chip grooves can also play a role in chip removal and heat dissipation.
The diamond tool 10 of the present invention also has two layers of third blades 3 positioned in the middle of the two first blades 1; the diamond tool bit 10 has a six-layer blade structure; the blade arrangement sequence of the diamond tool tip 10 is that the second blade 2+the first blade 1+the third blade 3+the first blade 1+the second blade 2.
The arrows of the plurality of arrow-shaped cutting edges 70 of the present invention on the same side of the region of easy grinding 20 are oriented toward the center line of the diamond tip 10; the arrow-shaped cutting edges 70 on the two grinding working areas 30 are symmetrically arranged, the arrow-shaped cutting edge 70 on the same side with the rotation direction of the diamond tool bit 10 is used as a main cutting edge, and the arrow-shaped cutting edge 70 on the opposite side with the rotation method of the diamond tool bit 10 is used as an auxiliary cutting edge; therefore, whether diamond tip 10 is rotated forward or backward, it has a main cutting edge and an auxiliary cutting edge, ensuring the cutting sharpness and cutting grinding efficiency of diamond tip 10.
The plurality of arrow-shaped cutting edges 70 of the present invention located on the same side of the easily ground area 20 are connected in sequence; each position on the cutting edge 40 is provided with a diamond particle cutting edge point, and each consumed cutting edge 40 is provided with diamond particles, so that the cutting sharpness and the cutting continuity of the diamond cutter head 10 are ensured, and the cutting effect is better.
The two sides of the easy-to-grind area 20 are arranged in an axisymmetric way by taking the central line of the diamond tool bit 10 as the axis; the chip removal groove 60 formed by the easy-grinding area 20 is positioned at the center position, and the chip removal effect is good.
The diamond tool bit 10 is in a fan shape, and two straight edges of the diamond tool bit 10 and two side edges of the easy-grinding area 20 are respectively arranged in parallel; a plurality of diamond particle columns are sequentially distributed on the two grinding working areas 30 respectively, and the diamond particle columns positioned on the same side of the easy-grinding area 20 are distributed along parallel lines on the side edge of the easy-grinding area 20 on the side; the diamond particle rows at the two straight edge positions on the diamond tool bit 10 are symmetrically arranged in an array, so that the cutting forces at the two sides of the diamond tool bit are the same, the sharpness of the diamond tool bit is improved, and the service life of the diamond tool bit is prolonged.
The blade arrangement sequence of the diamond tip 10 of the present invention may be arbitrarily combined, for example, the diamond tip 10 of the present invention has a four-layer structure, and the blade arrangement sequence of the diamond tip 10 is the first blade 1+the third blade 3+the first blade 1.
The above examples and drawings are not intended to limit the form or form of the present invention, and any suitable variations or modifications thereof by those skilled in the art should not be construed as falling within the scope of the present invention.
Claims (10)
1. A diamond tip, characterized by: the diamond tool bit is provided with an easy-grinding area which is positioned at the middle position and is not distributed with diamond particles, and two grinding working areas which are positioned at two sides of the easy-grinding area and are distributed with diamond particles, wherein the easy-grinding area is in a V shape and is gradually reduced from the edge to the welding edge; in the cutting and grinding process, the easy-to-grind area is ground to form a chip groove which is recessed from the blade edge to the welding edge, and diamond particles exposed on two side walls of the chip groove form new blade points.
2. A diamond tip as set forth in claim 1 wherein: the diamond tool bit is provided with at least two layers of first blades, and the first blades are provided with a first easily-ground area which is positioned at the middle position and is not distributed with diamond particles and two first grinding working areas which are positioned at two sides of the first easily-ground area and are distributed with diamond particles; a plurality of first diamond particle columns are orderly distributed on the two first grinding working areas respectively, and the first diamond particle columns positioned on the same side of the first easily-ground area are distributed along parallel lines on the side edge of the first easily-ground area on the side; the distance between two adjacent first diamond particle columns positioned on the same side of the first easily-ground area is a first distance; the distance between the two rows of first diamond particles on the two sides of the first easily-ground area and the two rows of first diamond particles near the welding edge is a second distance, and the second distance is smaller than the first distance.
3. A diamond tip as set forth in claim 2 wherein: the diamond tool bit is also provided with two layers of second blades which are respectively positioned at the outer sides of the two first blades, and the second blades are provided with a second easily-ground area which is positioned at the middle position and is not distributed with diamond particles and a second grinding working area which is positioned at the two sides of the second easily-ground area and is distributed with diamond particles; a plurality of second diamond particle columns are sequentially distributed on the two second grinding working areas respectively, and the plurality of second diamond particle columns positioned on the same side of the second easily-ground area are distributed along parallel lines on the side edge of the second easily-ground area on the side; the two side edges of the first easily-ground area are respectively arranged in parallel with the two side edges of the second easily-ground area; and the first diamond particle row and the second diamond particle row which are positioned on the same side of the easy-grinding area are parallel and arranged in a staggered manner.
4. A diamond tip as in claim 3 wherein: the distance between two rows of second diamond particles on two sides of the second easily-ground area and two rows of second diamond particles near the welding edge is a third distance, and the third distance is larger than the second distance; in the cutting and grinding process, the first easily-ground area and the second easily-ground area are ground to form chip grooves with large sides and small middle parts; the diamond particles exposed on the two side walls of the chip groove are enclosed into two symmetrically arranged arrow-shaped cutting edges.
5. A diamond tip as set forth in claim 4 wherein: the distance between two adjacent first diamond particle columns positioned on the same side of the second easily-ground area is a fourth distance which is equal to the first distance; the diamond particles of the first diamond particle row and the second diamond particle row positioned on the same side of the easy-to-grind region form a plurality of arrow-shaped cutting edges on the edge.
6. A diamond tip as set forth in claim 5 wherein: the diamond tool bit is also provided with at least one layer of third blade positioned between the two first blades, and the third blade is provided with a third easily-ground area positioned in the middle position and not distributed with diamond particles and a third grinding working area positioned at two sides of the third easily-ground area and distributed with diamond particles; and a plurality of rows of third diamond particle rows are sequentially distributed on the two third grinding working areas respectively, and the plurality of rows of third diamond particle rows positioned on the same side of the third easily-ground area are distributed along parallel lines on the side edge of the third easily-ground area on the side.
7. A diamond tip as set forth in claim 6 wherein: the two side edges of the third easily-ground area are respectively arranged in parallel with the two side edges of the first easily-ground area; and the third diamond particle row, the first diamond particle row and the second diamond particle row which are positioned on the same side of the easy-grinding area are parallel and arranged in a staggered manner.
8. A diamond tip as set forth in claim 7 wherein: the third grinding area is divided into an upper part which is close to the cutting edge and is in a V shape and a lower part which is close to the welding edge and is in a V shape, two rows of third diamond particle rows on two sides of the upper part extend from the cutting edge to the middle position, the distance between the two rows of third diamond particles on two sides of the upper part and the two diamond particles on the two sides close to the middle position is a fifth distance, and the fifth distance is smaller than the third distance and larger than or equal to the second distance; the interval between the two rows of third diamond particles on the two sides of the lower part and the two diamond particles near the welding edge is a sixth interval, and the sixth interval is larger than the third interval; in the cutting and grinding process, the first easily-ground area, the second easily-ground area and the third easily-ground area are ground to form chip grooves with large sides and small middle parts; the diamond particles exposed on the two side walls of the chip groove are enclosed into two symmetrically arranged arrow-shaped cutting edges.
9. A diamond tip as set forth in claim 8 wherein: the distance between every two adjacent third diamond particle columns positioned on the same side of the third easily-ground area is a seventh distance, and the seventh distance is equal to the first distance; the diamond particles of the first diamond particle row, the second diamond particle row and the third diamond particle row, which are positioned on the same side of the easy-to-grind region, form a plurality of arrow-shaped cutting edges on the edge.
10. A diamond tip as set forth in claim 1 wherein: the diamond tool bit is fan-shaped, two straight sides of the diamond tool bit and two side edges of the easy-grinding area are respectively arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410419367.0A CN118003219A (en) | 2024-04-09 | 2024-04-09 | Diamond tool bit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410419367.0A CN118003219A (en) | 2024-04-09 | 2024-04-09 | Diamond tool bit |
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| CN118003219A true CN118003219A (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410419367.0A Pending CN118003219A (en) | 2024-04-09 | 2024-04-09 | Diamond tool bit |
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|---|---|---|---|---|
| JPH05245831A (en) * | 1992-03-06 | 1993-09-24 | Riken Daiyamondo Kogyo Kk | Diamond tipped tool |
| CN202006517U (en) * | 2010-07-06 | 2011-10-12 | 上海晶泉工贸有限公司 | Caking type diamond cutting blade |
| CN103331826A (en) * | 2013-06-08 | 2013-10-02 | 泉州众志金刚石工具有限公司 | Novel diamond tool bit and preparation method thereof |
| JP2019011208A (en) * | 2017-06-29 | 2019-01-24 | 日本電気硝子株式会社 | Method for producing glass resin laminate |
| CN213980655U (en) * | 2020-08-26 | 2021-08-17 | 泉州众志新材料科技有限公司 | Diamond tool bit and drill bit thereof |
| CN113333801A (en) * | 2021-05-21 | 2021-09-03 | 科益展智能装备有限公司 | Tool bit structure and cutter |
| CN116571773A (en) * | 2023-05-04 | 2023-08-11 | 泉州众志新材料科技有限公司 | Diamond tool bit |
-
2024
- 2024-04-09 CN CN202410419367.0A patent/CN118003219A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05245831A (en) * | 1992-03-06 | 1993-09-24 | Riken Daiyamondo Kogyo Kk | Diamond tipped tool |
| CN202006517U (en) * | 2010-07-06 | 2011-10-12 | 上海晶泉工贸有限公司 | Caking type diamond cutting blade |
| CN103331826A (en) * | 2013-06-08 | 2013-10-02 | 泉州众志金刚石工具有限公司 | Novel diamond tool bit and preparation method thereof |
| JP2019011208A (en) * | 2017-06-29 | 2019-01-24 | 日本電気硝子株式会社 | Method for producing glass resin laminate |
| CN213980655U (en) * | 2020-08-26 | 2021-08-17 | 泉州众志新材料科技有限公司 | Diamond tool bit and drill bit thereof |
| CN113333801A (en) * | 2021-05-21 | 2021-09-03 | 科益展智能装备有限公司 | Tool bit structure and cutter |
| CN116571773A (en) * | 2023-05-04 | 2023-08-11 | 泉州众志新材料科技有限公司 | Diamond tool bit |
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