CN114670339B - Circular saw blade with drop-shaped inclined hole structure and processing method - Google Patents
Circular saw blade with drop-shaped inclined hole structure and processing method Download PDFInfo
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- CN114670339B CN114670339B CN202210366732.7A CN202210366732A CN114670339B CN 114670339 B CN114670339 B CN 114670339B CN 202210366732 A CN202210366732 A CN 202210366732A CN 114670339 B CN114670339 B CN 114670339B
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- saw blade
- saw
- heat dissipation
- drop
- holes
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- 238000003672 processing method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 230000017525 heat dissipation Effects 0.000 claims abstract description 42
- 238000005520 cutting process Methods 0.000 claims abstract description 38
- 239000011159 matrix material Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 10
- 229910003460 diamond Inorganic materials 0.000 claims description 9
- 239000010432 diamond Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000005219 brazing Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 4
- 239000011435 rock Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000035882 stress Effects 0.000 description 10
- 239000000110 cooling liquid Substances 0.000 description 8
- 239000004575 stone Substances 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 6
- 238000003698 laser cutting Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
- B28D1/121—Circular saw blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D65/00—Making tools for sawing machines or sawing devices for use in cutting any kind of material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention provides a circular saw blade with a drop-shaped inclined hole structure and a processing method thereof, wherein the circular saw blade comprises a saw blade matrix, and a mounting hole is formed in the center of the saw blade matrix; the outer circumference of the saw blade matrix is provided with uniformly distributed saw teeth; chip grooves are formed between adjacent saw teeth; the edges of the saw teeth are provided with blades; the saw blade substrate is provided with uniformly distributed heat dissipation holes near the chip removal grooves, and the saw blade substrate is provided with uniformly distributed heat dissipation grooves near the mounting holes; the inner walls of the heat dissipation holes are all in a transitional circular arc shape to form a water drop shape. According to the invention, the circular saw blade can be effectively applied to high-strength rock cutting, and has the advantages of good radiating and chip removing effects, high cutting efficiency, simple saw blade processing, high working efficiency and production cost reduction.
Description
Technical Field
The invention relates to the field of diamond saw blades, in particular to a circular saw blade with a drop-shaped inclined hole structure and a processing method.
Background
With the rapid development of social economy, the greater the demand of the building industry for stone is, the higher the demand is for stone exploitation efficiency and cost, and the most commonly used cutting tools in stone exploitation are diamond saw blades, and the scrapping amount of the diamond saw blades is far greater than that of other types of tools. In the use of the large-size diamond saw blade, along with the increase of cutting time, the increase of cutting depth, the contact area of the saw blade and stone is bigger and bigger, the cutting temperature is rapidly increased, and the accumulation of heat is a main reason for influencing the service life of the saw blade: firstly, overheating of the saw blade can change the metallographic structure of a saw blade matrix material, and the overall strength and wear resistance of the matrix material are reduced, so that the saw blade matrix deforms in continuous cutting; secondly, when the saw blade is in use, excessive heat accumulation can generate residual thermal stress in the saw blade, and along with the increase of the running time, cracks can be generated at the weak part of the saw blade matrix, so that the saw blade is finally damaged; thirdly, if the problem of continuous accumulation of heat during stone sawing cannot be solved, the saw blade can be directly burnt out at too high temperature, so that the saw blade is disabled. The damage and replacement of the large saw blade not only increases the cost, but also reduces the production efficiency, so that the heat dissipation of the saw blade in the running process is of great importance.
Disclosure of Invention
In order to solve the technical problems, the invention provides the circular saw blade with the drop-shaped inclined hole structure and the processing method, the circular saw blade can be suitable for high-strength rock exploitation, has good heat dissipation capacity and chip removal capacity in the cutting process, and has the advantages of high cutting efficiency, simple processing of the saw blade, high working efficiency, low production cost and long service life.
In order to achieve the technical characteristics, the aim of the invention is realized in the following way: a circular saw blade with a drop-shaped inclined hole structure comprises a saw blade matrix, wherein a mounting hole is formed in the center of the saw blade matrix; the outer circumference of the saw blade matrix is provided with uniformly distributed saw teeth; chip grooves are formed between adjacent saw teeth; the edges of the saw teeth are provided with blades;
The saw blade substrate is provided with uniformly distributed heat dissipation holes near the chip removal grooves, and the saw blade substrate is provided with uniformly distributed heat dissipation grooves near the mounting holes;
the inner walls of the heat dissipation holes are all in a transitional circular arc shape to form a water drop shape.
The chip removal groove adopts a U-shaped groove.
The saw blade base body and the blade are made of different materials.
The blade adopts the diamond blade, adopts the mode of welding to connect with the saw bit base member.
The radiating holes adopt a mode of inclined holes.
The inner wall of the heat dissipation hole is formed by adopting transition connection of a first arc, a second arc, a third arc and a fourth arc with different radiuses.
The heat dissipation grooves are arc-shaped and uniformly distributed near the mounting holes by taking the center of the mounting holes as the center of a circle.
Both ends of the heat dissipation groove are arc-shaped.
The processing method of the circular saw blade with the water drop-shaped inclined hole structure comprises the following steps of:
Step one: selecting a circular plate of the saw blade matrix for standby;
Step two: placing a round plate blank of the saw blade matrix on high-power water jet cutting equipment to be fixed;
Step three: starting water jet cutting equipment, firstly cutting the mounting hole, then cutting the heat dissipation groove, and secondly, machining a chip removal groove at the edge of the saw blade matrix; finally, when the radiating hole is cut, the included angle between the water jet head and the saw face needs to be continuously adjusted, so that the inner wall of the machined radiating hole is ensured to be an inclined inner wall;
Step four: carrying out surface rust removal and leveling treatment on the two surfaces of the saw blade matrix processed by the water jet;
step five: the diamond blade and the saw teeth are connected through brazing, and the thickness and the length of the blade are consistent with the size of the saw teeth;
step six: after the welding is finished, straightening the cooled saw blade matrix;
step seven: the edges cut by all the water knives are subjected to deburring and chamfering treatment, so that stress concentration at sharp corners in the using process is prevented;
Step eight: and finally, performing rust-proof treatment on the circular saw blade with the water drop-shaped inclined hole structure.
The thickness of the blank of the saw blade matrix is 5-10mm; the matrix material is 75Cr1; the inclination angle of the inner wall of the heat dissipation hole is 25-35 degrees, and the width dimension of the saw tooth is 10-15mm.
The invention has the following beneficial effects:
1. The invention increases the heat radiation capability of the saw blade in the running process by adopting the plurality of saw teeth and the contact area of air and cooling liquid.
2. By adopting the chip removal groove, chips can be discharged, and certain cooling liquid can be contained in the cutting process; the saw blade is provided with the holes, so that the friction area between the saw surface and stone can be reduced, the heat dissipation of the saw blade can be effectively assisted, and in addition, the noise generated in the cutting process of the saw blade can be reduced to a certain extent.
3. The four-section circular arcs with the water drop hole structure of the radiating holes can well avoid stress concentration generated by the saw blade in operation; at the same sectional area, the inclined water drop holes are larger than the contact area between the water drop holes perpendicular to the saw face and air and cooling liquid; taking the inclination angle of 30 degrees as an example, under the same section size, the contact area of the inclined water drop holes is 8% larger than that of the water drop holes perpendicular to the saw face, and the larger contact area with air represents better heat dissipation performance; besides the increase of the contact area with the air cooling liquid, the inclined water drop holes can utilize the centrifugal force generated when the saw blade rotates to continuously throw out the tiny cuttings entering the water drop holes, and the thrown-out tiny cuttings can take away part of heat, so that the heat accumulation in the cuttings is reduced, and the heat dissipation effect of the saw blade is further improved.
4. Through the circular arc that is evenly distributed with the radiating groove that is close to the mounting hole, have the radiating effect of certain degree, can alleviate the outside temperature transmission of base member to base member central part, reduce the influence of temperature to the near base member intensity of mounting hole.
5. Compared with the traditional thin plate processing generally using laser cutting and stamping forming, the traditional laser cutting and stamping forming can generate residual stress near the notch, the residual stress is eliminated, and the heat treatment is needed, so that the processing cost is increased. The inclined water drop holes in the circular saw blade with the water drop-shaped inclined hole structure are cut by the water knife, the large-sized water knife cutting equipment can be cut and formed at one time, high temperature cannot be generated in the cutting process, and residual stress cannot be generated.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a view showing the overall construction of a circular saw blade with a drop-shaped inclined hole structure according to the present invention.
Fig. 2 is a schematic view of the water droplet plane structure in the circular saw blade with the water droplet inclined hole structure according to the present invention.
Fig. 3 is a schematic view of inclined water drop holes in a circular saw blade with a water drop type inclined hole structure according to the present invention.
Fig. 4 is a detailed schematic view of the blade, saw teeth and junk slots in the circular saw blade with the water drop type inclined hole structure according to the present invention.
FIG. 5 is a schematic view showing the positions and chips of a circular saw blade with a water-drop inclined hole structure according to the present invention during operation.
Fig. 6 is a schematic view of processing inclined water drop holes in a circular saw blade with a water drop type inclined hole structure according to the present invention.
In the figure: the chip removing machine comprises a base body 1, a blade 2, chip grooves 3, saw teeth 4, a heat dissipation hole 5, a heat dissipation groove 6, a mounting hole 7, a water jet nozzle 8, a saw face 9 and fine chips 10.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
Referring to fig. 1 to 6, a circular saw blade with a drop-shaped inclined hole structure comprises a saw blade base body 1, wherein a mounting hole 7 is formed in the center of the saw blade base body 1; the outer circumference of the saw blade matrix 1 is provided with uniformly distributed saw teeth 4; junk slots 3 are formed between adjacent saw teeth 4; the edge of the saw tooth 4 is provided with a blade 2; uniformly distributed heat dissipation holes 5 are formed in the saw blade base body 1 and near the chip removal grooves 3, and uniformly distributed heat dissipation grooves 6 are formed in the saw blade base body 1 and near the mounting holes 7; the inner walls of the radiating holes 5 are all in a transitional circular arc shape to form a water drop shape. According to the invention, the circular saw blade can be effectively applied to high-strength rock cutting, and has the advantages of good radiating and chip removing effects, high cutting efficiency, simple saw blade processing, high working efficiency and production cost reduction.
Further, the chip removal groove 3 is a U-shaped groove. By adopting the U-shaped groove, not only can chips be discharged, but also a certain amount of cooling liquid can be contained in the cutting process; the saw blade is provided with the holes, so that the friction area between the saw surface and stone can be reduced, the heat dissipation of the saw blade can be effectively assisted, and in addition, the noise generated in the cutting process of the saw blade can be reduced to a certain extent.
Further, the saw blade base 1 and the blade 2 are made of different materials. And the two parts are made of different materials, so that the reliable welding combination of the two parts can be realized.
Further, the blade 2 is a diamond blade, and is connected with the saw blade base 1 in a welding mode. By welding, the connection efficiency is improved.
Further, the heat dissipation holes 5 are formed by inclined holes. By adopting the inclined open holes, the contact area between the water drop holes perpendicular to the saw face and the air and the cooling liquid is larger; taking the inclination angle of 30 degrees as an example, under the same section size, the contact area of the inclined water drop holes is 8% larger than that of the water drop holes perpendicular to the saw face, and the larger contact area with air represents better heat dissipation performance. Besides, the inclined angle is adopted, the contact area of the water drop holes with air cooling liquid is increased, the fine cuttings 10 entering the water drop holes can be continuously thrown out by utilizing the centrifugal force generated when the saw blade rotates, and the thrown fine cuttings 10 can take away part of heat, so that heat accumulation in the cuttings is reduced, and the heat dissipation effect of the saw blade is further improved.
Furthermore, the inner wall of the heat dissipation hole 5 is formed by adopting the transition connection of a first arc, a second arc, a third arc and a fourth arc with different radiuses. By adopting the multi-section arc structure, the stress concentration generated by the saw blade in operation can be well avoided. Because the tail of the existing water drop hole is of a tip structure, stress concentration is easy to occur, and the problem of fracture of the saw blade is caused.
Further, the heat dissipation grooves 6 are arc-shaped and are uniformly distributed near the mounting holes by taking the center of the mounting holes as the center of a circle. By adopting the heat dissipation groove 6, a good heat dissipation effect can be achieved.
Further, the two ends of the heat dissipation groove 6 are arc-shaped. The stress concentration is effectively avoided by adopting the circular arc shape.
Further, as shown in fig. 2, the water drop structure is formed by four sections of circular arcs, and a certain included angle is formed between a straight line connecting the center of the water drop head and the center of the water drop tail and the vertical direction.
Further, as shown in fig. 5, the inclined angle is adopted, besides the contact area with the air cooling liquid is increased, the inclined water drop holes can utilize the centrifugal force generated when the saw blade rotates to continuously throw away the tiny cuttings 10 entering the water drop holes, and the thrown-away tiny cuttings 10 can take away part of heat, so that the heat accumulation in the cuttings is reduced, and the heat dissipation effect of the saw blade is further improved.
Example 2:
The processing method of the circular saw blade with the water drop-shaped inclined hole structure comprises the following steps of:
Step one: selecting a circular plate of the saw blade matrix for standby;
Step two: placing a round plate blank of the saw blade matrix on high-power water jet cutting equipment to be fixed;
Step three: starting water jet cutting equipment, firstly cutting the mounting hole 7, then cutting the heat dissipation groove 6, and secondly, machining the chip removal groove 3 at the edge of the saw blade matrix; finally, when the heat dissipation holes 5 are cut, the included angle between the water jet nozzle 8 and the saw face 9 needs to be continuously adjusted, so that the inner wall of the processed heat dissipation holes 5 is ensured to be an inclined inner wall;
Step four: carrying out surface rust removal and leveling treatment on the two surfaces of the saw blade matrix processed by the water jet;
step five: the diamond blade 2 and the saw teeth 4 are connected through brazing, and the thickness and the length of the blade 2 are consistent with the size of the saw teeth 4;
step six: after the welding is finished, straightening the cooled saw blade matrix;
step seven: the edges cut by all the water knives are subjected to deburring and chamfering treatment, so that stress concentration at sharp corners in the using process is prevented;
Step eight: and finally, performing rust-proof treatment on the circular saw blade with the water drop-shaped inclined hole structure.
The thickness of the blank of the saw blade matrix is 5-10mm; the matrix material is 75Cr1; the inclination angle of the inner wall of the heat dissipation hole 5 is 25-35 degrees, and the width dimension of the saw tooth 4 is 10-15mm.
Example 3:
In this embodiment, in order to ensure that the heat dissipation hole 5 has the best performance and prevent the stress concentration, the four sections of arcs in the heat dissipation hole have the following values: r1 is: 25mm, R2 is: 10mm, R3 is: 70mm, R4 is: 75mm.
Claims (3)
1. The processing method of the circular saw blade with the water-drop-shaped inclined hole structure comprises the steps that the circular saw blade with the water-drop-shaped inclined hole structure comprises a saw blade base body (1), and a mounting hole (7) is formed in the center of the saw blade base body (1); the outer circumference of the saw blade matrix (1) is provided with uniformly distributed saw teeth (4); junk slots (3) are formed between adjacent sawteeth (4); the edge of the saw tooth (4) is provided with a blade (2);
The method is characterized in that: uniformly distributed heat dissipation holes (5) are formed in the saw blade base body (1) and near the chip removal grooves (3), and uniformly distributed heat dissipation grooves (6) are formed in the saw blade base body (1) and near the mounting holes (7);
the inner walls of the radiating holes (5) are all in a transitional arc shape to form a drop shape;
the chip removal groove (3) adopts a U-shaped groove;
The radiating holes (5) adopt a mode of inclined holes;
The inner wall of the radiating hole (5) is formed by transitional connection of a first arc, a second arc, a third arc and a fourth arc with different radiuses;
the radiating grooves (6) are arc-shaped and uniformly distributed near the mounting holes by taking the center of the mounting holes as the center of the circle;
both ends of the radiating groove (6) are arc-shaped;
The processing method comprises the following steps:
Step one: selecting a round plate serving as a saw blade matrix for standby;
Step two: placing the round plate on high-power water jet cutting equipment to fix the round plate;
Step three: starting water jet cutting equipment, firstly cutting the mounting hole (7), then cutting the heat dissipation groove (6), and secondly, machining the chip removal groove (3) at the edge of the saw blade matrix; finally, when the heat dissipation hole (5) is cut, the included angle between the water jet head (8) and the saw face (9) needs to be continuously adjusted, so that the inner wall of the processed heat dissipation hole (5) is an inclined inner wall;
Step four: carrying out surface rust removal and leveling treatment on the two surfaces of the saw blade matrix processed by the water jet;
step five: the blade (2) is connected with the saw teeth (4) through brazing, and the thickness and the length of the blade (2) are consistent with the size of the saw teeth (4);
step six: after the welding is finished, straightening the cooled saw blade matrix;
step seven: the edges cut by all the water knives are subjected to deburring and chamfering treatment, so that stress concentration at sharp corners in the using process is prevented;
step eight: finally, performing rust-proof treatment on the circular saw blade with the water drop-shaped inclined hole structure;
the thickness of the saw blade matrix is 5-10mm; the saw blade matrix material is 75Cr1; the inclination angle of the inner wall of the heat dissipation hole (5) is 25-35 degrees, and the width dimension of the saw tooth (4) is 10-15mm.
2. The method for processing the circular saw blade with the water drop-shaped inclined hole structure according to claim 1, wherein the method comprises the following steps: the saw blade base body (1) and the blade (2) are made of different materials.
3. The method for processing the circular saw blade with the water drop-shaped inclined hole structure according to claim 2, wherein the method comprises the following steps: the blade (2) is a diamond blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210366732.7A CN114670339B (en) | 2022-04-08 | 2022-04-08 | Circular saw blade with drop-shaped inclined hole structure and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210366732.7A CN114670339B (en) | 2022-04-08 | 2022-04-08 | Circular saw blade with drop-shaped inclined hole structure and processing method |
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| Publication Number | Publication Date |
|---|---|
| CN114670339A CN114670339A (en) | 2022-06-28 |
| CN114670339B true CN114670339B (en) | 2024-06-11 |
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| CN202210366732.7A Active CN114670339B (en) | 2022-04-08 | 2022-04-08 | Circular saw blade with drop-shaped inclined hole structure and processing method |
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| US6427568B1 (en) * | 1995-10-12 | 2002-08-06 | Sven Runo Vilhelm Gebelius | Method to prevent or reduce formation of magnetism in two adjacently located saw blades rotating in opposed directions, and a device for utilization of the method |
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| CN205148625U (en) * | 2015-11-02 | 2016-04-13 | 鄂州市金锋超硬材料有限公司 | Diamond saw blade |
| CN205766909U (en) * | 2016-06-01 | 2016-12-07 | 河南众泉金属制品有限公司 | A kind of stone saw blade of angling hole |
| CN111570799A (en) * | 2019-06-05 | 2020-08-25 | 江苏友美工具有限公司 | Diamond saw blade and preparation process thereof |
| CN211440328U (en) * | 2019-12-18 | 2020-09-08 | 江苏友和工具有限公司 | Woodworking ultrathin multi-blade saw blade |
| CN213320958U (en) * | 2020-07-16 | 2021-06-01 | 黑旋风锯业股份有限公司 | Water-free dry-cutting diamond circular saw blade |
| CN213796019U (en) * | 2020-12-16 | 2021-07-27 | 济南尚德工贸有限公司 | Intelligent water jet cutter diameter cutting tooth-shaped positioning device for large metallurgical circular saw blade |
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2022
- 2022-04-08 CN CN202210366732.7A patent/CN114670339B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6427568B1 (en) * | 1995-10-12 | 2002-08-06 | Sven Runo Vilhelm Gebelius | Method to prevent or reduce formation of magnetism in two adjacently located saw blades rotating in opposed directions, and a device for utilization of the method |
| CN1544229A (en) * | 2003-11-24 | 2004-11-10 | 宜昌黑旋风锯业有限责任公司 | Saw web base body with hollowed holes |
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| CN213320958U (en) * | 2020-07-16 | 2021-06-01 | 黑旋风锯业股份有限公司 | Water-free dry-cutting diamond circular saw blade |
| CN213796019U (en) * | 2020-12-16 | 2021-07-27 | 济南尚德工贸有限公司 | Intelligent water jet cutter diameter cutting tooth-shaped positioning device for large metallurgical circular saw blade |
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| Publication number | Publication date |
|---|---|
| CN114670339A (en) | 2022-06-28 |
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