CN217617732U - Hot pressing die of diamond tool bit, diamond tool bit and diamond drill bit - Google Patents
Hot pressing die of diamond tool bit, diamond tool bit and diamond drill bit Download PDFInfo
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- CN217617732U CN217617732U CN202220968979.1U CN202220968979U CN217617732U CN 217617732 U CN217617732 U CN 217617732U CN 202220968979 U CN202220968979 U CN 202220968979U CN 217617732 U CN217617732 U CN 217617732U
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Abstract
The utility model discloses a hot pressing die of a diamond tool bit, the diamond tool bit and a diamond drill bit, wherein the manufactured diamond tool bit is arc-shaped and flaky and comprises a drilling and cutting tool bit with a rectangular longitudinal section and a sharp-angled tool bit with a triangular longitudinal section; the hot pressing die of the diamond tool bit of the utility model divides the upper pressing head and the lower pressing head into two parts aiming at the drilling and cutting tool bit and the sharp-angled tool bit, so that the structure of the die pressing head group is simpler, and the manufacturing cost is lower; the hot-pressing pressure can be provided according to the shrinkage proportion during hot-pressing sintering, and the use is more flexible; the top of the drilling end surface of the manufactured diamond tool bit forms a triangular pointed edge, so that the excellent self-sharpening property and sharpness of the tool bit are kept, the wear resistance is strong, and the service life is long; the formed diamond tool bit has small size and shape errors, high precision and good quality; the diamond drill bit can cut into by the brill material fast, improves the brill speed of cutting the tool bit, improves brill and cuts sharpness, guarantees its cutting stability and security.
Description
Technical Field
The utility model belongs to the technical field of a diamond tool technique and specifically relates to indicate a hot pressing mold, diamond segments and diamond bit of diamond segments.
Background
The diamond drill bit is a tool for drilling stone, concrete, brick walls and the like, has high strength, high wear resistance and impact resistance, is widely applied to drilling machining, can adapt to high grindability, has high concrete grade and has excellent cutting performance; the diamond bit comprises a substrate and a diamond tool bit, wherein the diamond tool bit is formed by consolidating diamond particles and a matrix bonding agent together, and the diamond particles mainly play a role of a cutting edge; when the diamond drill bit drills in the stratum, the diamond drill bit is aligned to the drilling position, and the diamond drill bit rotates to drill the stratum through the diamond tool bit, so that the drilling work is realized; however, the existing diamond tool bit is arc-shaped and flaky, sharp teeth are arranged on the drilling end face, and the thickness of the whole diamond tool bit is consistent; when the existing diamond tool bit is used for drilling, the diamond tool bit is easy to become unsharpness, the drilling speed of the diamond drill bit is low, and the requirement of the whole construction efficiency cannot be met.
The prior diamond tool bit also has the following problems in the manufacturing process:
1. the existing diamond tool bit generally comprises two steps of a cold press molding process and a hot press molding process in the manufacturing process, wherein the hot press molding process determines important parameters such as the performance, the quality and the like of the diamond tool bit, so that a hot press die of the diamond tool bit is the key for molding the diamond tool bit; the existing hot-pressing die is provided with a die frame, an upper pressing head and a lower pressing head, wherein the upper pressing head and the lower pressing head are arranged according to different sharp tooth structures of a diamond tool bit, and the upper pressing head and the lower pressing head are complicated to manufacture due to the sharp tooth structures; the upper pressure head and the lower pressure head are respectively manufactured into an integral structure, so that the manufacturing cost is very high;
2. the diamond tool bit can shrink when being heated and sintered, namely the volume of the diamond tool bit before being heated and sintered is larger than that after being heated and sintered; the shrinkage proportion of the arc-shaped sheet part and the sharp-tooth part is different, if an upper pressing head and a lower pressing head of a hot pressing die are manufactured into an integrated structure, the same pressure can be applied to the arc-shaped sheet part and the sharp-tooth part at the same time, so that the whole structure of the diamond tool bit is not compact during hot pressing and sintering, the errors of the size, the shape and the like of the formed diamond tool bit are large, the precision is low, and the quality is poor;
3. in the hot pressing process of the existing hot pressing die, the tips of the upper pressing head and the lower pressing head are easy to damage, the whole die can only be discarded, and the service life of the hot pressing die is short;
4. because the arc-shaped sheet part and the sharp tooth part have different structures, the distribution structure of diamond particles in the diamond tool bit is easy to change in the pressing process of the upper pressing head and the lower pressing head of the die, and the self-sharpening property, the sharpness and the wear resistance of the diamond tool bit are all deteriorated.
In view of the above, the present inventors have made extensive conceptions for various defects and inconveniences caused by the imperfect manufacturing process of the diamond tool bit, and have developed and designed the present invention by actively researching, improving and trying on the defects and inconveniences.
SUMMERY OF THE UTILITY MODEL
A first object of the present invention is to provide a hot pressing mold for diamond tool bits, which divides an upper pressing head and a lower pressing head into two parts for a drilling and cutting tool bit and a sharp-angled tool bit, so that the structure of the mold pressing head set is simpler and the manufacturing cost is lower; and can provide hot pressing pressure according to the shrinkage proportion during hot pressing sintering, use more nimble, make the quality of diamond segments better.
A second object of the utility model is to provide a diamond tool bit, diamond tool bit's drilling terminal surface top forms the triangle pinnacle edge of a knife, keeps splendid tool bit self-sharpening nature and sharpness, and the wearability is strong, bores and cuts machining efficiency height, of high quality and long service life.
A third object of the present invention is to provide a diamond drill bit, which has the above-mentioned diamond tool bit, so that the diamond drill bit can be quickly cut into the drilled material, the drilling speed of the tool bit is increased, the drilling sharpness is improved, and the cutting stability and safety are ensured.
In order to achieve the above purpose, the solution of the present invention is:
a hot pressing die for a diamond cutter head is provided with two partition walls and a plurality of partition plates, wherein the two partition walls divide three cavities in the hot pressing die; five partition plates are arranged in each cavity, each cavity is divided into six die frames, and a group of die pressing head groups are arranged corresponding to each die frame; the die pressing head group is provided with a first upper pressing head, a first lower pressing head, a second upper pressing head and a second lower pressing head, an arc convex surface is formed on the bottom surface of the first upper pressing head, and an arc concave surface is formed on the top surface of the first lower pressing head; a first arc inclined surface is formed on the bottom surface of the second upper pressure head, and a second arc inclined surface is formed on the top surface of the second lower pressure head; the first lower pressing head and the second lower pressing head are arranged in the die frame side by side, the first upper pressing head and the second upper pressing head are respectively pressed above the first lower pressing head and the second lower pressing head, and the arc convex surface and the arc concave surface enclose a drilling and cutting tool bit die cavity with a rectangular longitudinal section; the first arc inclined surface and the second arc inclined surface enclose a sharp-angled tool bit die cavity with a triangular longitudinal section, and the drilling and cutting tool bit die cavity is communicated with the sharp-angled tool bit die cavity.
The first arc inclined plane is inclined gradually and gradually downwards from one side connected with the arc convex surface to the other side; the arc concave surface is connected with the second arc inclined surface, and the second arc inclined surface is inclined by being connected with the arc concave surface from one side to the other side and gradually reducing upwards.
The first upper pressing head and the first lower pressing head, and the second upper pressing head and the second lower pressing head are respectively distributed up and down, and the hot pressing direction is along the thickness direction of the diamond tool bit.
The pressure of the first upper pressure head and the pressure of the second upper pressure head are the same or different.
The utility model provides a diamond tool bit, diamond tool bit is the arc slice, is the brill cutting tool bit of rectangle and the closed angle tool bit that the longitudinal section is triangle-shaped including the longitudinal section, the bottom surface of brill cutting tool bit is the installation face of fixed connection on the base member, the crossing limit on two inclined planes of closed angle tool bit is for boring the side cut.
And the drilling cutter head part and the sharp-angle cutter head part of the diamond cutter head are respectively subjected to cold press molding through a cold press die to drill and cut cold pressed blanks and sharp-angle cold pressed blanks, and then the drilling, cutting, cold pressed blanks and the sharp-angle cold pressed blanks are sintered through a hot press die to form the diamond cutter head.
The diamond particles in the drilling cutting cold pressing blank are orderly arranged; and the diamond particles in the sharp-angled cold pressed compact are arranged in a non-ordered manner.
A diamond bit comprises a cylindrical base body and a plurality of diamond tool bits, wherein the diamond tool bits are evenly distributed at the end of the base body in the circumference.
By adopting the structure, the hot pressing die of the diamond tool bit divides the upper pressing head and the lower pressing head into two parts aiming at the drilling and cutting tool bit and the sharp-angled tool bit respectively, so that the structure of the die pressing head group is simpler, and the manufacturing cost is lower; the hot-pressing die is provided with a plurality of die frames and a plurality of die press head groups, so that a plurality of diamond tool bits can be formed by one-time hot-pressing sintering, and the production efficiency is high; the second upper pressing head and the second lower pressing head are sharp corner pressing tool bits, so that the second upper pressing head and the second lower pressing head are provided with sharp corner parts, and if the sharp corner parts are damaged in the hot pressing process, the second upper pressing head and the second lower pressing head can be independently replaced, so that the service life of the hot pressing mold is prolonged; when the diamond tool bit is sintered by hot pressing, a first lower pressing head and a second lower pressing head are assembled in the die frame, then the diamond tool bit raw materials are put on the first lower pressing head and the second lower pressing head, then the first upper pressing head and the second upper pressing head are pressed on the diamond tool bit raw materials to be sintered and molded into the arc-shaped sheet-shaped diamond tool bit by heating, and the diamond tool bit forms a triangular pointed top edge on the top of the drilling end face, so that the excellent self-sharpening and sharpness of the tool bit are kept, the wear resistance is strong, the drilling and cutting processing efficiency is high, the quality is good, and the service life is long; and hot pressing pressure can be provided according to the shrinkage proportion during hot-pressing sintering, the drilling and cutting tool bit and the sharp-angled tool bit are respectively pressed, the quality of the manufactured diamond tool bit is better, and the use is more flexible.
The utility model discloses diamond segments's closed angle tool bit is easily opened one's edge, forms the triangle pinnacle edge at drilling terminal surface top, keeps splendid tool bit self-sharpening nature and sharpness, and the wearability is strong, bores and cuts machining efficiency height, of high quality and long service life.
The utility model discloses diamond bit has above-mentioned diamond segments for diamond bit can cut into fast and cut the material by the brill, improves the brill speed of cutting of tool bit, helps improving the brill and cuts sharpness, and guarantees its cutting stability and security.
Drawings
FIG. 1 is a schematic structural view of a hot pressing mold for a diamond tool bit according to the present invention;
FIG. 2 is an exploded view of the hot pressing mold for diamond tool bits according to the present invention;
FIG. 3 is a schematic structural view of a single-unit mold press head combination mold for pressing a diamond tool bit of the hot pressing mold for diamond tool bits according to the present invention;
FIG. 4 is a schematic side view of a single-unit mold press head combination mold for pressing a diamond tool bit of the hot pressing mold for a diamond tool bit according to the present invention;
fig. 5 is a schematic cross-sectional view of a single-set mold press head combined mold for pressing a diamond tool bit of the hot pressing mold for diamond tool bits according to the present invention;
fig. 6 is a schematic structural view of the single-unit mold press head set of the hot pressing mold for diamond tool bits of the present invention opening the mold to take out the diamond tool bits;
fig. 7 is a schematic structural view of another direction for taking out the diamond segments by opening the single-group mold pressure head group of the hot-pressing mold for the diamond segments according to the present invention;
FIG. 8 is a schematic view of the diamond tool of the present invention;
fig. 9 is a schematic side view of the diamond segments of the present invention.
Description of the symbols
A hot-pressing die 1; a mold frame 11; a die ram set 12; a first upper ram 121; a first lower ram 122; a second upper ram 123; a second lower ram 124; a drilling and cutting head die cavity 13; a sharp-angled tool tip mold cavity 14; a circular arc convex surface 1211; a circular arc concave surface 1221; a first arc inclined surface 1231; a second arc inclined plane 1241; a partition wall 15; a separator 16; a cavity 17; a diamond tool bit 2; a drill-cutter head 21; a pointed tool tip 22; a mounting surface 211; an inclined surface 221; the cut edge 222 is drilled.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
Referring to fig. 1 to 9, the present invention discloses a hot pressing mold for diamond segments, wherein the hot pressing mold 1 has two partition walls 15 and a plurality of partition plates 16, and the two partition walls 15 separate three cavities 17 in the hot pressing mold 1; five partition plates 16 are arranged in each cavity 17, each cavity 17 is divided into six die frames 11, and a group of die pressing head groups 12 are arranged corresponding to each die frame 11; the die ram set 12 is provided with a first upper ram 121, a first lower ram 122, a second upper ram 123 and a second lower ram 124, wherein the bottom surface of the first upper ram 121 is formed with a circular arc convex surface 1211, and the top surface of the first lower ram 122 is formed with a circular arc concave surface 1221; a first arc inclined surface 1231 is formed on the bottom surface of the second upper pressing head 123, and a second arc inclined surface 1241 is formed on the top surface of the second lower pressing head 124; the first lower pressing head 122 and the second lower pressing head 124 are arranged in the mold frame 11 side by side, and the first upper pressing head 121 and the second upper pressing head 123 are respectively pressed above the first lower pressing head 122 and the second lower pressing head 124; the arc convex surface 1211 and the arc concave surface 1221 enclose a drilling and cutting head die cavity 13 with a rectangular longitudinal section, the first arc inclined surface 1231 and the second arc inclined surface 1241 enclose a pointed corner die cavity 14 with a triangular longitudinal section, and the drilling and cutting head die cavity 13 is communicated with the pointed corner die cavity 14.
The hot pressing die 1 of the diamond tool bit of the utility model divides the upper pressing head and the lower pressing head into two parts aiming at the drilling and cutting tool bit 21 and the sharp-angled tool bit 22, so that the structure of the die pressing head group 12 is simpler, and the manufacturing cost is lower; the hot-pressing die 1 is provided with a plurality of die frames 11 and a plurality of die press head groups 12, so that a plurality of diamond tool bits 2 can be formed by one-time hot-pressing sintering, and the production efficiency is high; the second upper pressing head 123 and the second lower pressing head 124 are tip angle pressing tools, so that the second upper pressing head 123 and the second lower pressing head 124 are provided with tip angle parts, and if the tip angle parts are damaged in the hot pressing process, the second upper pressing head 123 and the second lower pressing head 124 can be independently replaced for use, so that the service life of the hot pressing die 1 is prolonged; moreover, when the diamond tool bit 2 is sintered by hot pressing, the first lower pressing head 122 and the second lower pressing head 124 are assembled in the mold frame 11, then the diamond tool bit raw materials are put on the first lower pressing head 122 and the second lower pressing head 124, then the first upper pressing head 121 and the second upper pressing head 123 are pressed on the diamond tool bit raw materials to be sintered and molded into the arc-shaped sheet-shaped diamond tool bit 2 by heating, and the diamond tool bit 2 forms a triangular pointed knife edge on the top of the drilling end face, so that the excellent self-sharpening property and sharpness of the tool bit are maintained, the wear resistance is strong, the drilling and cutting processing efficiency is high, the quality is good, and the service life is long; and can provide hot pressing pressure according to the shrinkage proportion during hot pressing sintering, press cutting tool bit 21 and sharp-angled tool bit 22 separately, the quality of making diamond tool bit 2 is better, it is more nimble to use.
The arc convex surface 1211 and the first arc inclined surface 1231 of the present invention are connected together, and the first arc inclined surface 1231 is inclined from the side connected with the arc convex surface 1211 to the other side and gradually decreases downwards; the arc concave surface 1221 and the second arc inclined surface 1241 are connected together, and the second arc inclined surface 1241 is inclined gradually and gradually upward from one side connected with the arc concave surface 1221 to the other side; the sharp-angled tool bit 22 of the diamond tool bit 2 manufactured by the hot-pressing die 1 is provided with two inclined planes to form a triangular sharp-pointed tool edge, so that the excellent self-sharpening property and sharpness of the tool bit are kept, the wear resistance is high, the drilling and cutting processing efficiency is high, the quality is good, and the service life is long.
The first upper pressing head 121 and the first lower pressing head 122, and the second upper pressing head 123 and the second lower pressing head 124 of the utility model are respectively distributed up and down, and the hot pressing direction is along the thickness direction of the diamond tool bit; during hot pressing and sintering, the drilling and cutting tool bit 21 and the pointed tool bit 22 are horizontally placed and sintered together, the first upper pressure head 121 and the first lower pressure head 122 are respectively pressed above and below the drilling and cutting tool bit 21, and the second upper pressure head 123 and the second lower pressure head 124 are respectively pressed above and below the pointed tool bit 22, so that the distribution structures of diamond particles in the drilling and cutting tool bit 21 and the pointed tool bit 22 can be prevented from changing, and the manufactured diamond tool bit is sharper and strong in wear resistance; if the direction of the hot pressing is along the height direction of the diamond segments, the structures of the cutting tool bit 21 and the pointed tool bit 22 are easily deformed, and the diamond particles in the cutting tool bit 21 and the pointed tool bit 22 are changed, so that the sharpness and the wear resistance of the manufactured diamond segments 2 are deteriorated.
The first upper pressing head 121 and the second upper pressing head 123 of the utility model have the same or different pressure; the hot-pressing pressure can be provided according to the shrinkage proportion during hot-pressing sintering, the drilling and cutting tool bit 21 and the sharp-angled tool bit 22 are respectively pressed, and the formed diamond tool bit 2 has small errors such as size, shape and the like, high precision and good quality.
The utility model also discloses a diamond segments, diamond segments 2 is the arc slice, be the brill cutting tool bit 21 of rectangle and the closed angle tool bit 22 that the longitudinal section is triangle-shaped including the longitudinal section, the bottom surface of brill cutting tool bit 21 is fixed connection's installation face 211 on base member 3, the crossing limit of two inclined planes 221 of closed angle tool bit 22 is for boring cutting edge 222.
The utility model discloses diamond segments's closed angle tool bit is easily opened one's edge, forms the triangle sharp-pointed edge at drilling terminal surface top, keeps splendid tool bit self-sharpening nature and sharpness, and the wearability is strong, bores and cuts machining efficiency height, of high quality and long service life.
The cutting bit part and the sharp-angled bit part of the diamond tool bit 2 of the utility model are respectively formed into a cutting cold pressed blank and a sharp-angled cold pressed blank through cold press molding of a cold press die, and then the cutting cold pressed blank and the sharp-angled cold pressed blank are sintered into the diamond tool bit 2 through a hot press die; when the diamond tool bit is manufactured, the drilling tool bit part and the sharp-angled tool bit part are respectively subjected to cold press molding to drill and cut cold pressed blanks and sharp-angled cold pressed blanks, then the cold pressed blanks are placed into a hot pressing mold 1 to be sintered together through hot pressing to manufacture the diamond tool bit 2, the diamond particle distribution structures in the drilling tool bit 21 and the sharp-angled tool bit 22 can not be changed in the hot pressing sintering process through the manufacturing method, and the manufactured diamond tool bit 2 is sharper and strong in wear resistance.
The diamond particles in the drilling and cutting cold pressed blank of the utility model are arranged in order; the diamond particles in the sharp-angled cold pressed compact are arranged in a non-ordered manner; the manufactured diamond tool bit 2 is sharper and has strong wear resistance; alternatively, the diamond particles in the drill cut cold compact are arranged out of order; or the diamond particles in the sharp-angled cold pressed compact are orderly arranged; the arrangement structure of diamond particles in the drilling and cutting cold pressed compact and the sharp-angled cold pressed compact can be set according to the specific requirements of the diamond tool bit.
The utility model also discloses a diamond bit, including the base member and a plurality of that are the tube-shape diamond segments 2, just 2 circumference evenly distributed of diamond segments are at the tip of base member.
The utility model discloses diamond bit has above-mentioned diamond segments 2 for diamond bit can cut into fast and cut the material by the brill, improves the brill speed of cutting the tool bit, helps improving the brill and cuts sharpness, and guarantees its cutting stability and security.
The utility model discloses diamond tool bit has following step when preparing:
s1, respectively cold-pressing and molding a drill cutting cold pressed blank and a sharp-angled cold pressed blank by using a cold-pressing mold in advance;
s2, assembling the first lower pressing head 122 and the second lower pressing head 124 in parallel in the mold frame 11 of the hot-pressing mold 1; then respectively placing the drill cutting cold pressing blank and the closed angle cold pressing blank on a first lower pressing head 122 and a second lower pressing head 124; then, respectively pressing a first upper pressing head 121 and a second upper pressing head 123 on the drilling cutting cold pressed compact and the sharp-angled cold pressed compact;
s3, heating the hot-pressing die 1 to sinter the drill cutting cold-pressed blank and the sharp-angle cold-pressed blank together in a hot-pressing manner;
and S4, demolding to obtain the diamond tool bit.
The utility model discloses the preparation method of diamond tool bit when producing diamond tool bit, at first drill bit head portion, closed angle tool bit portion cold press forming drill cutting cold pressed compact, closed angle cold pressed compact respectively earlier, then put into hot pressing mould 1 hot pressing sintering and make diamond tool bit 2 together, this kind of preparation method can make in drilling cutting tool bit 21 and closed angle tool bit 22 diamond granule distribution structure can not change in the hot pressing sintering process, the diamond tool bit 2 made is sharper, the wearability is strong; and hot pressing pressure can be provided according to the shrinkage proportion during hot pressing sintering, the drilling and cutting tool bit 21 and the sharp-angled tool bit 22 are respectively pressed, and the formed diamond tool bit 2 has small errors such as size, shape and the like, high precision and good quality.
The above embodiments and drawings do not limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be considered as departing from the scope of the present invention.
Claims (8)
1. The hot-pressing die for the diamond tool bit is characterized in that: the hot-pressing die is provided with two partition walls and a plurality of partition plates, and the two partition walls divide three cavities in the hot-pressing die; five partition plates are arranged in each cavity, each cavity is divided into six die frames, and a group of die pressing head groups is arranged corresponding to each die frame; the die pressing head group is provided with a first upper pressing head, a first lower pressing head, a second upper pressing head and a second lower pressing head, an arc convex surface is formed on the bottom surface of the first upper pressing head, and an arc concave surface is formed on the top surface of the first lower pressing head; a first arc inclined surface is formed on the bottom surface of the second upper pressure head, and a second arc inclined surface is formed on the top surface of the second lower pressure head; the first lower pressing head and the second lower pressing head are arranged in the die frame side by side, the first upper pressing head and the second upper pressing head are respectively pressed above the first lower pressing head and the second lower pressing head, and the arc convex surface and the arc concave surface enclose a drilling and cutting tool bit die cavity with a rectangular longitudinal section; the first arc inclined surface and the second arc inclined surface enclose a sharp-angled tool bit die cavity with a triangular longitudinal section, and the drilling and cutting tool bit die cavity is communicated with the sharp-angled tool bit die cavity.
2. A hot pressing mold for a diamond segment as set forth in claim 1, wherein: the first arc inclined plane is inclined gradually and gradually downwards from one side connected with the arc convex surface to the other side; the arc concave surface is connected with the second arc inclined surface, and the second arc inclined surface is inclined gradually and gradually upwards from one side to the other side connected with the arc concave surface.
3. A hot pressing mold for diamond segments as set forth in claim 1, wherein: the first upper pressing head and the first lower pressing head, and the second upper pressing head and the second lower pressing head are distributed up and down respectively, and the hot pressing direction is along the thickness direction of the diamond tool bit.
4. A hot pressing mold for a diamond segment as set forth in claim 1, wherein: the pressure of the first upper pressure head and the pressure of the second upper pressure head are the same or different.
5. A diamond tip made by the hot pressing mold for diamond tips according to any one of claims 1 to 4, wherein: the diamond cutter head is arc-shaped and flaky and comprises a drilling and cutting cutter head with a rectangular longitudinal section and a sharp-angled cutter head with a triangular longitudinal section, the bottom surface of the drilling and cutting cutter head is a mounting surface fixedly connected to the base body, and the intersecting edges of the two inclined surfaces of the sharp-angled cutter head are drilling and cutting edges.
6. The diamond tip as set forth in claim 5, wherein: and the drilling cutter head part and the sharp-angled cutter head part of the diamond cutter head are respectively subjected to cold press molding through a cold press die to form a drilling cutting cold pressed blank and a sharp-angled cold pressed blank, and then the drilling cutting cold pressed blank and the sharp-angled cold pressed blank are sintered through a hot press die to form the diamond cutter head.
7. The diamond tip of claim 6 wherein: the diamond particles in the drilling and cutting cold pressed compact are orderly arranged; and the diamond particles in the sharp-angled cold pressed compact are arranged in a non-ordered manner.
8. A diamond drill bit, characterized by: comprising a substrate having a cylindrical shape and a plurality of diamond segments according to any one of claims 5 to 7, said diamond segments being evenly circumferentially distributed at the ends of the substrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220968979.1U CN217617732U (en) | 2022-04-25 | 2022-04-25 | Hot pressing die of diamond tool bit, diamond tool bit and diamond drill bit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220968979.1U CN217617732U (en) | 2022-04-25 | 2022-04-25 | Hot pressing die of diamond tool bit, diamond tool bit and diamond drill bit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871434A (en) * | 2022-04-25 | 2022-08-09 | 泉州众志新材料科技有限公司 | Hot-pressing die for diamond tool bit, preparation method for diamond tool bit, diamond tool bit and diamond drill bit |
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2022
- 2022-04-25 CN CN202220968979.1U patent/CN217617732U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871434A (en) * | 2022-04-25 | 2022-08-09 | 泉州众志新材料科技有限公司 | Hot-pressing die for diamond tool bit, preparation method for diamond tool bit, diamond tool bit and diamond drill bit |
| CN114871434B (en) * | 2022-04-25 | 2024-04-12 | 泉州众志新材料科技有限公司 | Hot-pressing die for diamond tool bit, preparation method for diamond tool bit, diamond tool bit and diamond drill bit |
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