CN211640508U - Diamond saw blade tool bit with bottom groove - Google Patents
Diamond saw blade tool bit with bottom groove Download PDFInfo
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- CN211640508U CN211640508U CN202020027974.XU CN202020027974U CN211640508U CN 211640508 U CN211640508 U CN 211640508U CN 202020027974 U CN202020027974 U CN 202020027974U CN 211640508 U CN211640508 U CN 211640508U
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- tool bit
- tail end
- tooth
- saw blade
- diamond saw
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Abstract
The utility model discloses a take diamond saw bit tool bit of kerve, its including the flute profile end that is the great wall flute profile, the tail end relative with the flute profile end and the plane of being connected flute profile end and tail end, the tail end is the arc surface, and the tail end is used for fixing on diamond saw bit's base member, puts at the central point of tail end and sets up the kerve, the kerve extends to the profile of tooth end from the tail end, and sets up the slotted hole intercommunication in the plane, between tail end and the profile of tooth end, the slotted hole is rhombus form or triangular shape or trapezoidal shape. The utility model discloses a saw bit tool bit is showing lasting sharpness and processing, the use convenience that has improved the tool bit, still has quick heat dissipation and less frictional advantage simultaneously in the use to the life of tool bit has been prolonged, excellent performance has.
Description
Technical Field
The utility model relates to a diamond saw blade technical field especially relates to a diamond saw blade tool bit of taking kerve.
Background
The diamond saw blade, as a common cutting tool, has the characteristics of simple structure, high strength, wear resistance and the like, and is widely applied to processing of hard and brittle materials such as concrete, refractory materials, stones, ceramics, jewelry jades, semiconductors and the like. The diamond saw blade mainly comprises a substrate and a tool bit, wherein the tool bit is a part playing a cutting role, is made of tool bit alloy embedded with diamond particles and is a block-shaped component with a certain radian; the base body is the main support portion for the bonded cutting insert, and the cutting insert is generally attached to the outside of the base body by welding or the like.
The criteria for measuring the quality of a diamond saw blade are generally: firstly, the working efficiency, namely the sharpness, of the saw blade during processing materials; and secondly, the service life of the saw blade. In diamond saw blade's use, tool bit performance directly determines diamond saw blade's cutting speed and life, and along with the continuous development of technique, the user requires more and more high to the tool bit sharpness. The prior art has developed the scheme that changes the tool bit profile or set up U type, V type kerve, sharpens the tool bit, improves cutting speed, but the structure such as ripple tool bit or great wall tool bit, U type or V type kerve that set up can lead to the weakening of tool bit bulk strength performance, the easy problem such as fracture or even broken tooth that appears shortens product life.
SUMMERY OF THE UTILITY MODEL
For solving the not enough that prior art exists, the utility model provides a take diamond saw bit tool bit of kerve, this tool bit adds the slotted hole in the plane, cooperatees with the kerve of the long city tooth of flute profile end, tail end, not only can maintain the lasting sharpness of tool bit in the use, improves the heat-sinking capability of tool bit, can reduce the frictional force that saw cuts the process tool bit and receive moreover, increase of service life.
In order to achieve the above object, the utility model provides a diamond saw blade tool bit of taking kerve, the tool bit is including the flute profile end that is the great wall flute profile, the tail end relative with the flute profile end and the plane of being connected flute profile end and tail end, the tail end is the arc surface, and the tail end is used for fixing on diamond saw blade's base member, puts at the central point of tail end and sets up the kerve, the kerve extends to the flute profile end from the tail end, and sets up in the plane, is located the slotted hole intercommunication between tail end and the flute profile end, the slotted hole is rhombus form or triangular shape or trapezoidal shape.
The utility model discloses a diamond saw blade tool bit adopts the great wall tooth to combine to set up the slotted hole that is linked together with the tail end kerve in the plane, and restricts the slotted hole to be rhombus or triangle-shaped or trapezoidal form very much, can effectively avoid the tool bit to flatten the problem of passivation along with the grinding of great wall tooth in the use on the one hand, namely after the great wall tooth wears out, the slotted hole forms the UNICOM state with the tool bit top surface, constitutes similar great wall tooth, improves the sharpness in middle and later stages, thereby increases the lasting sharpness of tool bit; on the other hand, the groove hole with larger opening area is communicated with the bottom groove, so that the cutter head and the matrix can be fully cooled by cooling liquid in the sawing process conveniently, and heat dissipation is facilitated; on the other hand, the tooth-shaped end of the tool bit adopts the long city teeth which are beneficial to processing and using the diamond saw blade, and the special-shaped slotted hole on the plane is matched, so that the contact surface between the side surface of the tool bit and a sawn object can be effectively reduced, a chip containing space is formed in the middle of the tool bit by utilizing the slotted hole, cutting chips between the saw blade and the cut object are reduced, and further the friction force is reduced. Therefore, the utility model discloses a tool bit, through set up special shaped slot hole at the plane intermediate position, not only can show improvement sharpness, but also increase of service life has effectively solved current ripple tooth or great wall tooth tool bit sharpness still not enough to and set up the weakening tool bit intensity that the kerve leads to, shorten life's technical defect at the tool bit.
As a limitation to the technical scheme, the wave trough of the tooth-shaped end and the highest point of the slotted hole are positioned on the same horizontal plane.
As a limitation to the technical scheme, the slotted hole is in a diamond shape.
As a limitation to the technical scheme, the ratio of the bottom groove length C1 to the cutter head length C is C1: C ≤ 1: 4; the ratio of the length C2 of the slotted hole to the length C of the cutter head is C2: C and is less than or equal to 1: 2.
As a limitation to the technical scheme, the ratio of the height difference H1 between the peak of the tooth-shaped end and the highest point of the slotted hole to the height H of the cutter head is H1: H, which is less than or equal to 1: 2.
As a limitation to the technical scheme, the thickness d of the tool bit plane is 2-6 mm.
The proportion of the bottom groove, the slotted hole and the long merlons on the cutter head is further limited, so that the strength performance and the service life of the cutter head are better.
To sum up, adopt the technical scheme of the utility model the diamond saw bit tool bit that obtains has great wall tooth and combines special-shaped slotted hole in plane, and the structure that slotted hole and tail end kerve are linked together, is showing lasting sharpness and processing, the use convenience that have improved the tool bit, the tool bit still has quick heat dissipation and less frictional advantage in the use simultaneously to the life of tool bit has been prolonged, the drawback of the reduction tool bit life-span that the sharpening tool bit often brought has been solved, can compare favourably the life of ordinary flat tooth saw bit tool bit, excellent performance has.
Drawings
The present invention will be described in further detail with reference to the following drawings and specific embodiments:
FIG. 1 is a schematic structural view of a diamond saw blade with a bottom groove according to the present invention;
FIG. 2 is a schematic view showing the wear of the diamond saw blade with a bottom groove of the present invention during the use process;
FIG. 3 is a schematic view showing the structure of a conventional plain cutter head in comparative example 1;
FIG. 4 is a schematic view showing the structure of a conventional corrugated tooth tip without a bottom groove in comparative example 2;
FIG. 5 is a schematic view of a longitudinal merlons head without undercut in comparative example 3;
FIG. 6 is a schematic view of a conventional example of a conventional long merlons head with V-grooves in the bottom surface of the tool bit in comparative example 4.
In the figure: 1-a tooth-shaped end; 2-tail end; 3-plane; 4-bottom groove; 5-1 of rhombic slotted holes; 5-2 triangular slotted holes; 5-3 trapezoidal slotted holes.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Example one
The embodiment relates to the structure description and preparation of the diamond saw blade tool bit with the bottom groove.
As shown in figure 1, the diamond saw blade tool bit of the utility model comprises a tooth-shaped end 1, the tooth shape of the tooth-shaped end 1 is a great wall tooth shape, and the top surface of the tooth-shaped end 1 is surrounded to be an arc surface; the tail end 2 is opposite to the tooth-shaped end 1, the tail end 2 is an arc surface, and the tail end 2 is used for being fixed on a matrix of the diamond saw blade; still including the plane 3 of connecting profile of tooth end 1 and tail end 2, the thickness d of plane 3 is in 2 ~ 6 mm. A bottom groove 4 is arranged at the center of the tail end 2, and the ratio of the length C1 of the bottom groove 4 to the length C of the cutter head is C1: C less than or equal to 1: 4; the slotted hole is formed in the plane 3, the slotted hole can be a rhombic slotted hole 5-1 or a triangular slotted hole 5-2 or a trapezoidal slotted hole 5-3, but the rhombic slotted hole 5-1 is more suitable for comprehensive evaluation in the aspects of production, work, structure and the like, wherein the ratio of the length C2 of the rhombic slotted hole 5-1 to the length C of the cutter head is C2: C is less than or equal to 1: 2; the ratio of the height difference H1 between the top surface of the rhombic groove hole 5-1 and the crest of the tooth-shaped end 1 to the height H of the cutter head is H1: H which is less than or equal to 1: 2; the highest point of the rhombic groove hole 5-1, namely the top surface of the rhombic groove hole 5-1 and the wave trough of the tooth-shaped end 1 can be positioned on the same horizontal plane or have a certain distance, but the distance is not required to be too large and is not required to be more than 0.3H. The bottom groove 4 extends from the tail end 2 to the tooth-shaped end 1 and is communicated with the groove hole.
The arrangement of the rhombus-shaped, triangular or trapezoidal slotted holes and other special-shaped slotted holes needs to meet the requirements of not influencing the strength of the cutter head, not influencing the welding of the cutter head and the matrix, facilitating the actual production, meeting the mechanical property of the saw blade during working, not bringing resistance influence during the sawing operation and the like.
The diamond saw blade tool bit with the bottom groove is prepared by the following processes:
a. the method comprises the following steps of (1) matching conventional metal powder for a diamond saw blade bit and diamond powder according to a conventional proportion (a common metal powder formula comprises 50-80% of Fe, 5-25% of Cu, 2-5% of Sn, 5-15% of Ni and 2-10% of Co), adding a certain amount of wetting agent (the wetting agent can be liquid paraffin or zinc stearate, wherein the powder comprises 0.5-2.0 g of zinc stearate and 1kg of zinc stearate) into the matched diamond and metal powder, and then mixing the materials by using a three-dimensional mixer at normal temperature;
b. after the powder is mixed, applying appropriate pressure through a cold pressing die in a full-automatic cutter head cold press to perform cold pressing to form a cutter head blank;
c. placing the cutter head blank into a common sintering hot press, and sintering at 780-980 ℃ and 20-30 MPa to obtain a molded cutter head;
d. and welding the formed tool bit to the substrate to obtain the diamond saw blade.
The dimensions of the resulting diamond saw blade tip are shown in table 1 below.
Example two
Example 2.1
The present example relates to the evaluation of the performance of the insert tips in examples 1.1 to 1.3.
The cutter heads of the embodiments 1.1-1.3 are all welded on a phi 400-H15 saw blade (namely the outer diameter is 420mm, the height of the cutter head is 15mm), a cement road (standard c40 cement concrete, the stone used for concrete is a green stone, and the sawing depth is 50-70 mm) and a cutter with the power of 9kw and the rotating speed of 3600r/min are adopted for carrying out a cutter head performance test, wherein the sawing time of the road is generally 24-48H after the completion of the cement road; sufficient water cooling is needed in the sawing process; the performance data for the diamond saw blade tips of examples 1.1-1.3 are shown in Table 2 below:
example 2.2
This embodiment relates to the utility model discloses the wearing and tearing condition of diamond saw bit tool bit in the use.
As shown in FIG. 2, the utility model discloses a diamond saw blade tool bit, there is the sharpness when great wall tooth design saw cuts in earlier stage, treats behind the great wall tooth wearing and tearing, the rhombus slotted hole forms the UNICOM state with the tool bit top surface to along with the grinding forms similar great wall tooth at sword tooth top surface, thereby improve the sharpness of saw bit in middle and later stages. And the conventional great wall tooth drill bit is not different from the flat-tooth cutter head in the middle and later period.
Comparative example
This comparative example relates to comparison of different insert performance.
Comparative example 1: a common flat-tooth cutter head is adopted, and the structure is shown in figure 3;
comparative example 2: the structure of the tool bit is shown in figure 4 by adopting a conventional corrugated tooth tool bit without a bottom groove;
comparative example 3: the long merlons are adopted, and bottom grooves are not formed, and the structure is shown in figure 5;
comparative example 4: adopts a long merlon cutter head and is provided with a V-shaped bottom groove, and the structure of the long merlon cutter head is shown as figure 6.
Using the same performance evaluation test as in example 2.1, comparative insert performance data shown in Table 3 below were obtained, in comparison with example 1.1.
As can be seen from the above results, the utility model discloses a saw bit tool bit, its sharpness promotes about 40% than the flat tooth tool bit, promotes about 25% than ripple tooth tool bit and the great wall tooth that does not take the kerve, promotes about 20% than the great wall tooth tool bit of taking v type kerve.
To sum up, the utility model discloses a take kerve diamond saw bit tool combines the special type slotted hole in plane especially rhombus form slotted hole through the great wall tooth, and the structural design that the slotted hole is linked together with the tail end kerve, is showing the lasting sharpness and processing, the use convenience that have improved the tool bit, still has quick heat dissipation and less frictional advantage simultaneously at the use to the life of tool bit has been prolonged, has excellent performance.
Claims (6)
1. The utility model provides a take diamond saw blade tool bit of kerve which characterized in that: the tool bit is including the profile of tooth end that is the great wall profile of tooth, the tail end relative with the profile of tooth end and the plane of being connected profile of tooth end and tail end, the tail end is the arc surface, and the tail end is used for fixing on diamond saw blade's base member, puts at the central point of tail end and sets up the kerve, the kerve extends to the profile of tooth end from the tail end, and set up in the plane, be located the slotted hole intercommunication between tail end and the profile of tooth end, the slotted hole is rhombus form or triangular shape or trapezoidal shape.
2. The diamond saw blade bit with a bottom groove of claim 1, wherein: the trough of the tooth-shaped end and the highest point of the slotted hole are positioned on the same horizontal plane.
3. The diamond saw blade bit with a bottom groove of claim 1, wherein: the slotted hole is in a rhombus shape.
4. The diamond saw blade bit with a bottom notch of claim 3, wherein: the ratio of the length C1 of the bottom groove to the length C of the cutter head is C1: C and is less than or equal to 1: 4; the ratio of the length C2 of the slotted hole to the length C of the cutter head is C2: C and is less than or equal to 1: 2.
5. The diamond saw blade bit with a bottom notch of claim 3, wherein: the ratio of the height difference H1 between the peak of the tooth-shaped end and the highest point of the slotted hole to the height H of the cutter head is H1: H and is less than or equal to 1: 2.
6. The diamond saw blade bit with a bottom groove of claim 1, wherein: the thickness d of the plane of the tool bit is 2-6 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020027974.XU CN211640508U (en) | 2020-01-07 | 2020-01-07 | Diamond saw blade tool bit with bottom groove |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020027974.XU CN211640508U (en) | 2020-01-07 | 2020-01-07 | Diamond saw blade tool bit with bottom groove |
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| CN211640508U true CN211640508U (en) | 2020-10-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111113685A (en) * | 2020-01-07 | 2020-05-08 | 石家庄海川工具有限公司 | Diamond saw blade tool bit with bottom groove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111113685A (en) * | 2020-01-07 | 2020-05-08 | 石家庄海川工具有限公司 | Diamond saw blade tool bit with bottom groove |
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