CN219443690U - Saw tooth tip structure, band saw blade and manufacturing device thereof - Google Patents
Saw tooth tip structure, band saw blade and manufacturing device thereof Download PDFInfo
- Publication number
- CN219443690U CN219443690U CN202320296754.0U CN202320296754U CN219443690U CN 219443690 U CN219443690 U CN 219443690U CN 202320296754 U CN202320296754 U CN 202320296754U CN 219443690 U CN219443690 U CN 219443690U
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- saw blade
- band saw
- district
- tooth
- groove
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000003801 milling Methods 0.000 claims description 35
- 238000005520 cutting process Methods 0.000 claims description 27
- 230000007704 transition Effects 0.000 claims description 25
- 238000000227 grinding Methods 0.000 claims description 10
- 238000005498 polishing Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 5
- 239000002173 cutting fluid Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 108700041286 delta Proteins 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- 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
Abstract
The utility model discloses a tooth tip structure of saw teeth, a band saw blade and a manufacturing device thereof. The continuous concave-convex surface formed by the peaks and the troughs of the special-shaped tooth tips can be more easily stored and accumulated cutting fluid than a common band saw blade, so that the lubrication effect is improved, and the service life of the band saw blade is better improved.
Description
Technical Field
The utility model belongs to the field of sawing metal cutters, and particularly relates to a tooth tip structure of saw teeth, a band saw blade and a manufacturing device thereof.
Background
Failure modes of the band saw blade are mainly divided into tooth tip abrasion, tipping or band breakage of the back of the saw blade. In practical application, as disclosed in chinese patent No. CN110202209a, a band saw blade includes a saw blade body and teeth on the saw blade body, nine teeth arranged in sequence form a main tooth set, each main tooth set includes a first sub tooth set, a second sub tooth set and a third sub tooth set; each sub-tooth group comprises a first sawtooth, a second sawtooth and a third sawtooth which are sequentially arranged, wherein the first sawtooth is a straight tooth, and the second sawtooth and the third sawtooth are a left sub-tooth and a right sub-tooth respectively; among the nine teeth, three teeth without dividing teeth and six teeth with dividing teeth are used for dividing the chip into 11 chips during cutting by controlling different heights of the teeth and controlling the angle guiding amount.
As another example, chinese patent No. CN111823327a discloses a band saw blade for woodworking, which comprises a band saw back material and a hard alloy cutter head, wherein the band saw back material comprises a plurality of saw teeth arranged at intervals, the hard alloy cutter head is welded and fixed on the saw teeth, 6 continuously distributed saw teeth form a cycle, and the interval between two adjacent saw teeth in a cycle is gradually reduced or increased in an arithmetic progression; the cemented carbide tool bit takes three continuously distributed teeth as a period, namely a first tooth A, a second tooth B and a third tooth C, wherein the first tooth A is higher than the second tooth B by delta 1, the second tooth B is higher than the third tooth C by delta 2, and the range of values of delta 1 and delta 2 is 0.05-0.10 mm.
The saw blade of the prior art is usually a straight line perpendicular to the side surface of the saw blade, and the saw blade is formed by connecting a plurality of straight lines, so that the main purpose is to reduce the cutting resistance through chip separation design. However, the saw teeth of the band saw blade with the structure are easy to break at the front angle during cutting, and the service life of the band saw blade is seriously influenced.
Disclosure of Invention
The utility model aims to provide a tooth tip structure of saw teeth, a band saw blade and a manufacturing device thereof, which are used for solving the technical problem that the saw teeth of the band saw blade have front angle tipping during cutting.
In order to achieve the above purpose, the specific technical scheme of the utility model is as follows:
the utility model provides a tooth point structure of sawtooth, this tooth point structure includes the blade, the blade includes first district, second district and third district, first district and third district are located the both ends of blade, the second district is located between first district and the third district, first district and third district respectively with corresponding sawtooth lateral wall smooth transition, the link smooth transition in second district and first district, the link in second district and third district is all smooth transition.
Therefore, the cutting edge is divided into the first area, the second area and the third area, the first area and the third area are respectively and smoothly transited with the corresponding sawtooth side wall, the second area is respectively and smoothly transited with the connecting ends of the first area and the third area, the front angle tipping during cutting of sawteeth can be effectively improved, and the service life of the band saw blade can be effectively prolonged.
Further, grooves are formed in the cutting edge, and the length direction of the grooves is consistent with the running direction of the saw teeth;
the bottom of the groove is in smooth transition with the side wall of the groove, and the side wall of the groove is in smooth transition with the top of the cutting edge.
Still further, grooves are formed in the second area, and the length direction of the grooves is consistent with the running direction of the saw teeth;
the bottom of the groove is in smooth transition with the side wall of the groove, and the side wall of the groove is in smooth transition with the top of the cutting edge.
Based on the same design concept, the utility model also provides a band saw blade, which comprises a band saw blade body, wherein a plurality of saw teeth are arranged on the band saw blade body, and tooth tips of the saw teeth have the tooth tip structures.
Therefore, the saw blade provided by the utility model has the advantages that the saw blade is not in a straight line or in a shape formed by connecting a plurality of straight lines, but is formed by a curve with a multi-section wave crest and wave trough shape formed by a section of rising wave crest and a section of falling wave trough, when the saw blade is used for sawing, the stress is prevented from being concentrated at the straight line part of the front end surface of the tooth tip, and the cutting fluid used by a sawing machine can be reserved in the wave trough of the blade, so that the cutting fluid can better enter the tooth tip and a material contact part, the sawing lubrication effect is improved, and the tooth tip abrasion is reduced. The saw blade with the design can effectively prolong the service life of the band saw blade by 10% -100%.
Based on the same design concept, the utility model also provides a band saw blade manufacturing device, which comprises a band saw blade moving channel, wherein the band saw blade moving channel is internally provided with the band saw blade;
the band saw blade moving channel comprises a slotting segment arranged at the inlet, a polishing segment arranged at the outlet and a tooth making segment arranged between the slotting segment and the polishing segment;
the slotting section is provided with a first milling cutter, the tooth making section is provided with a second milling cutter, and the polishing section is provided with a sander;
the first milling cutter is used for machining grooves at tooth tips of the band saw blade;
the second milling cutter is used for machining the saw teeth on the band saw blade;
the sander is used for processing a cutting edge on the saw teeth, and polishing two ends of the cutting edge into smooth transition.
Further, the first milling cutter is a special-shaped tooth top milling cutter, the second milling cutter is a special-shaped tooth side milling cutter, and the sander is a rear cutter surface grinding wheel.
The utility model has the following advantages:
1) The utility model changes the front end surface of the tooth tip from a straight line segment which is easy to collapse into continuous smooth transition, reduces the stress concentration of the tooth tip and prolongs the service life of the band saw blade.
2) The continuous concave-convex surface formed by the peaks and the troughs of the special-shaped tooth tips can be easier to store and accumulate cutting fluid than a common band saw blade, so that the lubrication effect is improved, and the service life of the band saw blade is prolonged better.
3) The band saw blade manufacturing device can realize continuous batch processing, and the milling blade is easy to replace after being worn.
Drawings
FIG. 1 is a schematic view of a band saw blade manufacturing apparatus of the present utility model;
FIG. 2 is a top view of the band saw blade manufacturing apparatus of the present utility model;
FIG. 3 is a front view of the band saw blade body of the present utility model;
FIG. 4 is a side view of the band saw blade body of the present utility model;
FIG. 5 is an enlarged view of FIG. 4 at A;
FIG. 6 is a schematic view of a saw tooth structure according to the present utility model;
FIG. 7 is a schematic view of a tipping portion of a front face of a conventional band saw blade tooth tip;
FIG. 8 is a schematic view of the structure of the tooth tip according to the present utility model;
FIG. 9 is a schematic view of a first milling cutter according to the present utility model;
FIG. 10 is a side view of a first milling cutter according to the present utility model;
FIG. 11 is an enlarged view of FIG. 10 at B;
FIG. 12 is a schematic view of a second milling cutter according to the present utility model;
FIG. 13 is a side view of a second milling cutter according to the present utility model;
fig. 14 is an enlarged view of fig. 13 at C;
FIG. 15 is a schematic view of the structure of the first embodiment of the present utility model;
fig. 16 is a schematic structural view of a second embodiment of the present utility model.
The figure indicates: 1. a cutting edge; 11. a first zone; 12. a second zone; 13. a third zone; 2. a groove; 3. a band saw blade body; 31. saw teeth; 4. a band saw blade moving path; 5. a slotted section; 51. a first milling cutter; 6. tooth manufacturing sections; 61. a second milling cutter; 7. polishing the section; 71. a sander.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings for a better understanding of the objects, structures and functions of the present utility model.
As shown in fig. 1 and 2, a band saw blade manufacturing apparatus of the present embodiment includes a band saw blade moving path 4, and a band saw blade is provided in the band saw blade moving path 4.
As shown in fig. 3, the band saw blade includes a band saw blade body 3, a plurality of saw teeth 31 are provided on the band saw blade body 3, and tooth tips of the saw teeth 31 have a tooth tip structure.
As shown in fig. 4 and 5, the tooth tip structure includes a cutting edge 1, the cutting edge 1 includes a first region 11, a second region 12, and a third region 13, and the first region 11, the second region 12, and the third region 13 are tooth tip tipping regions. The first region 11 and the third region 13 are located at two ends of the cutting edge 1, the second region 12 is located between the first region 11 and the third region 13, the first region 11 and the third region 13 are respectively in smooth transition with corresponding sawtooth side walls, the connecting ends of the second region 12 and the first region 11 are in smooth transition, and the connecting ends of the second region 12 and the third region 13 are in smooth transition.
As a first embodiment of the present utility model, the cutting edge 1 may be in the form of the representation of fig. 15. As a second embodiment of the utility model, as shown in fig. 3, 5 and 6, a groove 2 is present on the cutting edge 1, seen in the sawing direction u2, said groove 2 preferably being arranged in the second zone 12, the bottom of the groove 2 smoothly transitioning with the side wall of the groove 2, and the side wall of the groove 2 smoothly transitioning with the top of the cutting edge 1. The recess 2 may be the representation of fig. 5, 6 and 8 or the representation of fig. 16. Specifically, as shown in fig. 7 and 5, the tip face chipping portions of the conventional band saw blade are indicated by hatched portions a, b, c corresponding to the first region 11, the second region 12, and the third region 13 of the present embodiment, and the continuous chipping range thereof is large. The tooth tip structure of this embodiment is a continuous smooth transition, as shown in fig. 8, and the smooth transition includes d, e, f, g, h, i, j, k, l, m, n, o, where a plurality of curved contact materials with lattice are used to replace the original single straight line, so as to effectively reduce the tooth tip abrasion and tipping caused by the tooth tip stress.
As shown in fig. 1 and 2, the band saw blade moving path 4 includes a grooved section 5 provided at an inlet, a grinding section 7 provided at an outlet, and a tooth making section 6 provided between the grooved section 5 and the grinding section 7. The slotting segment 5 is provided with a first milling cutter 51, the tooth-making segment 6 is provided with a second milling cutter 61, and the polishing segment 7 is provided with a polisher 71.
As shown in fig. 9 to 11, the first milling cutter 51 is used to machine a groove at the tooth tip of the band saw blade. Preferably, the first milling cutter 51 is a special-shaped tooth top milling cutter.
The second milling cutter 61 is used to machine the saw teeth on the band saw blade as shown in fig. 12 to 14; preferably, the second milling cutter 61 is a profile tooth side milling cutter.
As shown in fig. 1 and 2, the sander 71 is used to machine a cutting edge on the saw teeth, and to smooth the two ends of the cutting edge. Specifically, the sander 71 may process the first zone 11 and the serrated sidewall into a smooth transition and the third zone 13 and serrated sidewall into a smooth transition. Preferably, the sander 71 is a relief surface grinding wheel.
The band saw blade of this embodiment is processed as follows:
step one, machining the special-shaped tooth tip shape with the groove by using a special-shaped tooth top milling cutter close to the tooth tip.
And step two, a special-shaped tooth side milling cutter is used for processing saw teeth close to the side surface of the band saw blade. The special-shaped tooth side milling cutter retreats, the band saw blade moves to the next tooth position, and the special-shaped tooth side milling cutter is processed close to the side face of the band saw blade again and moves in a reciprocating mode.
And thirdly, processing the shape of the cutting edge of the band saw blade by a rear cutter surface grinding wheel at a certain angle close to the tooth tip part, and grinding the two ends of the cutting edge into smooth transition. Then the knife-face grinding wheel retreats, the band saw blade moves to the next tooth position, the knife-face grinding wheel approaches the side face of the saw blade again for processing, and the knife-face grinding wheel reciprocates in the way, and the required product is continuously processed.
The band saw blade manufacturing device and the band saw blade processing method can realize continuous batch processing of band saw blades, and the band saw blades are easy to replace after being worn.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides a tooth point structure of sawtooth, includes blade (1), its characterized in that, blade (1) include first district (11), second district (12) and third district (13), first district (11) and third district (13) are located the both ends of blade (1), second district (12) are located between first district (11) and third district (13), first district (11) and third district (13) respectively with corresponding sawtooth lateral wall smooth transition, the link smooth transition of second district (12) and first district (11), the link of second district (12) and third district (13) is all smooth transition.
2. Tooth tip structure of a saw tooth according to claim 1, characterized in that a groove (2) is present on the cutting edge (1), and that the length direction of the groove (2) coincides with the running direction of the saw tooth;
the bottom of the groove (2) is in smooth transition with the side wall of the groove (2), and the side wall of the groove (2) is in smooth transition with the top of the cutting edge (1).
3. Tooth tip structure of a saw tooth according to claim 1, characterized in that a groove (2) is present on the second zone (12), and that the length direction of the groove (2) coincides with the running direction of the saw tooth;
the bottom of the groove (2) is in smooth transition with the side wall of the groove (2), and the side wall of the groove (2) is in smooth transition with the top of the cutting edge (1).
4. Band saw blade comprising a band saw blade body (3), said band saw blade body (3) having a continuous arrangement of saw teeth (31), wherein the tips of said saw teeth (31) have a tip structure according to any one of claims 1 to 3.
5. A band saw blade manufacturing apparatus comprising a band saw blade moving path (4), wherein the band saw blade moving path (4) is provided with the band saw blade according to claim 4;
the band saw blade moving channel (4) comprises a slotting segment (5) arranged at the inlet, a polishing segment (7) arranged at the outlet, and a tooth making segment (6) arranged between the slotting segment (5) and the polishing segment (7);
the slotting section (5) is provided with a first milling cutter (51), the tooth making section (6) is provided with a second milling cutter (61), and the polishing section (7) is provided with a polisher (71);
the first milling cutter (51) is used for machining a groove (2) at the tooth tip of the band saw blade;
-said second milling cutter (61) for machining said saw teeth (31) on said band saw blade;
the sander (71) is used for processing the cutting edge (1) on the saw teeth (31), and the two ends of the cutting edge (1) are sanded into smooth transition.
6. The band saw blade manufacturing apparatus as defined in claim 5, wherein the first milling cutter (51) is a shaped tooth top milling cutter, the second milling cutter (61) is a shaped tooth side milling cutter, and the grinder (71) is a relief face grinding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320296754.0U CN219443690U (en) | 2023-02-23 | 2023-02-23 | Saw tooth tip structure, band saw blade and manufacturing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320296754.0U CN219443690U (en) | 2023-02-23 | 2023-02-23 | Saw tooth tip structure, band saw blade and manufacturing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219443690U true CN219443690U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320296754.0U Active CN219443690U (en) | 2023-02-23 | 2023-02-23 | Saw tooth tip structure, band saw blade and manufacturing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219443690U (en) |
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2023
- 2023-02-23 CN CN202320296754.0U patent/CN219443690U/en active Active
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