CN212264724U - Hard alloy circular saw blade - Google Patents
Hard alloy circular saw blade Download PDFInfo
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- CN212264724U CN212264724U CN202020732607.XU CN202020732607U CN212264724U CN 212264724 U CN212264724 U CN 212264724U CN 202020732607 U CN202020732607 U CN 202020732607U CN 212264724 U CN212264724 U CN 212264724U
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Abstract
The utility model belongs to the technical field of the saw blade, a carbide circular saw blade is disclosed, including saw bit base member and sawtooth, the edge of saw bit base member is equipped with a set of toothholder in the mode of annular array, and is formed with the mounting groove between the adjacent toothholder, the sawtooth welds in the mounting groove, still includes supplementary welding piece, supplementary welding piece includes integrated into one piece's first weld part and second weld part, and first weld part and second weld part combination form L type structure; each tooth holder is provided with a matching groove, the first welding part is mutually clamped with the matching groove, the non-cutting surface of each sawtooth is provided with a clamping groove, and the second welding part is mutually clamped with the clamping groove; the utility model has the advantages of low welding difficulty, high welding structure strength and high safety; the welding area between the sawteeth and the tooth holder is effectively increased based on the matching of the matching groove and the auxiliary welding block, so that the structural strength of the welding position is enhanced.
Description
Technical Field
The utility model belongs to the technical field of the saw blade, concretely relates to carbide saw blade.
Background
The hard alloy circular saw blade is characterized in that saw teeth made of hard alloy materials are welded on a substrate of the saw blade, so that the saw blade has excellent cutting performance. In actual industrial production, the welding of the sawteeth is usually realized by adopting a brazing mode, but the welding difficulty is higher due to the fact that the structure of the sawteeth is smaller; in addition, the welding process requirement of the saw teeth is high, particularly the matching requirement of the contact surfaces of the saw teeth and the saw blade matrix is high, and once the contact surfaces do not meet the requirement, the welding area is reduced, and the structural strength of the welding position is influenced; under the state that the circular saw blade is subjected to rapid rotation cutting, the sawtooth with insufficient welding strength is easy to break, the cutting process is influenced, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a carbide saw blade to effectively solve among the prior art problem that the sawtooth welding degree of difficulty is big and the welding process requires highly.
In order to achieve the above object, the utility model provides a following technical scheme: the hard alloy circular saw blade comprises a saw blade base body and saw teeth, wherein a group of tooth holders are arranged at the edge of the saw blade base body in an annular array mode, an installation groove is formed between every two adjacent tooth holders, the saw teeth are welded in the installation groove, the hard alloy circular saw blade also comprises an auxiliary welding block, the auxiliary welding block comprises a first welding part and a second welding part which are integrally formed, and the first welding part and the second welding part are combined to form an L-shaped structure; every all seted up the cooperation groove on the toothholder, and the mutual block in first weld part and cooperation groove, every the non-cutting face of sawtooth all seted up the draw-in groove, and the mutual block of second weld part and draw-in groove.
Preferably, all the symmetry is equipped with two sets of strengthening ribs in the cooperation inslot, and the mutual block of second welding part and strengthening rib.
Preferably, the width of the mounting groove is larger than that of the sawteeth, and a first matching surface, a second matching surface and a third matching surface which are mutually connected are arranged in the mounting groove and are respectively attached to the three non-cutting side surfaces of the sawteeth; the second matching surface is an arc surface.
Preferably, the middle part of the saw blade base body is provided with a mounting hole, the mounting hole is formed by combining a fixing hole and three positioning holes, the fixing hole and the positioning holes are through holes, and the three positioning holes are wound around the fixing hole in an annular array mode.
Preferably, six grooves are formed in the saw blade base body in an annular array mode, shock absorption blocks are embedded into each groove, the grooves are blind holes, the depth of each groove is equal to that of the saw blade base body, and the positioning holes are located between the grooves and the fixing holes.
Compared with the prior art, the utility model, following beneficial effect has:
(1) the welding difficulty is low: based on the cooperation of a plurality of fitting surfaces, cooperation groove and supplementary welding piece, effectively realize the mutual location between sawtooth and the toothholder to avoid appearing dislocation and skew phenomenon, thereby make the small-structure sawtooth also can form simple and easy welding.
(2) The welded structure intensity is big, the security is high: based on the cooperation of the matching groove and the auxiliary welding block, the welding area between the sawteeth and the tooth holder is effectively increased, so that the structural strength of the welding part is enhanced, and the tooth collapse phenomenon is effectively avoided.
(3) When the matching groove is matched with the auxiliary welding block, a reinforcing rib is also arranged, so that the structural strength of the joint of the sawtooth and the tooth holder is further improved.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a perspective view of the teeth and the tooth holder of the present invention;
FIG. 3 is a plan view of the teeth and the tooth holder of the present invention;
FIG. 4 is an exemplary view of the engagement of the teeth with the toothholder of the present invention;
FIG. 5 is another illustration of the present invention with the saw teeth engaged with the tooth holder;
in the figure: 1-saw blade base body, 2-toothholder, 3-sawtooth, 31-clamping groove, 4-mounting groove, 41-first matching surface, 42-second matching surface, 43-third matching surface, 5-groove, 6-mounting hole, 7-auxiliary welding block, 71-first welding part, 72-second welding part, 8-matching groove and 9-reinforcing rib.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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.
Referring to fig. 1-5, the present invention provides the following technical solutions: the hard alloy circular saw blade comprises a saw blade base body 1 and saw teeth 3, wherein a group of tooth holders 2 are arranged at the edge of the saw blade base body 1 in an annular array mode, an installation groove 4 is formed between every two adjacent tooth holders 2, the saw teeth 3 are welded in the installation groove 4, the hard alloy circular saw blade also comprises an auxiliary welding block 7, the auxiliary welding block 7 comprises a first welding part 71 and a second welding part 72 which are integrally formed, and the first welding part 71 and the second welding part 72 are combined to form an L-shaped structure; each tooth holder 2 is provided with a matching groove 8, the first welding portion 71 is engaged with the matching groove 8, the non-cutting surface of each sawtooth 3 is provided with a clamping groove 31, and the second welding portion 72 is engaged with the clamping groove 31.
In this embodiment, preferably, two sets of the ribs 9 are symmetrically provided in each of the engaging grooves 8, and the second welding portion 72 and the ribs 9 are engaged with each other.
In this embodiment, preferably, the width of the mounting groove 4 is greater than the width of the saw teeth 3, and a first mating surface 41, a second mating surface 42 and a third mating surface 43 which are connected with each other are arranged in the mounting groove 4 and are respectively attached to three non-cutting side surfaces of the saw teeth 3; the second mating surface 42 is an arc-shaped surface.
Based on the structure, the forming principle of the whole saw blade is as follows: integrally molding a saw blade base body 1 and a tooth holder 2, thereby forming a plurality of mounting grooves 4; the sawtooth 3 is integrally formed, and a clamping groove 31 is formed on one non-cutting surface (specifically, refer to the structures shown in fig. 1-5); then, the clamping groove 31 is clamped with the second welding part 72 of the auxiliary welding block 7, and welding is carried out, so that the connection between the sawteeth 3 and the auxiliary welding block 7 is realized; then, the first welding part 71 is clamped into the matching groove 8 and welded, and at least two matching surfaces between the saw teeth 3 and the mounting groove 4 need to be ensured to be in contact in the clamping process, and the contacted matching surfaces are welded, so that the saw teeth 3 and the tooth holder 2 are welded and fixed, and the whole saw blade is formed.
Wherein, the structural strength of toothholder 2 can effectively be guaranteed based on the setting of reinforcing rib 9 in cooperation groove 8.
Further, in conjunction with the drawings, the following three examples are explained:
example one: as shown in fig. 4, the arrows show the inclination of the side surface of the non-serrated part 3, which is greater than the inclination of the first mating surface 41;
example two: as shown in fig. 5, the arrows show the inclination of the side surface of the non-serrated part 3, which is less than the inclination of the first mating surface 41;
example three: not shown in the figure, in the case where the inclination of one side surface of the saw tooth 3 is the same as the inclination of the first mating surface 41;
and to above-mentioned three examples, all can adopt the mode that supplementary welding piece 7 and a plurality of fitting surface mutually support to reach multiposition welded effect, do not influence welding strength because of the change of mounting groove 4 structure promptly, and then effectively reduced the welding requirement and the welding degree of difficulty of sawtooth 3.
In this embodiment, preferably, the middle portion of the saw blade base body 1 is provided with a mounting hole 6, the mounting hole 6 is formed by combining a fixing hole and three positioning holes, the fixing hole and the positioning holes are through holes, and the three positioning holes are wound around the fixing hole in an annular array manner. Based on this to effectively realize the location installation of whole saw bit, and guarantee the stability of saw bit installation.
In this embodiment, preferably, six grooves 5 are formed in the saw blade base body 1 in an annular array manner, a damping block is embedded in each groove 5, the grooves 5 are blind holes, the depth of each groove 5 is 1/2 of the saw blade base body 1, and the positioning holes are located between the grooves 5 and the fixing holes. Based on the structure, the damping effect of the saw blade during cutting can be effectively realized, and the damping block embedded in the groove 5 can be prepared based on a pig iron material; wherein the depth of 1/2 is set to avoid affecting the structural strength of the overall saw blade base 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Carbide saw blade, including saw bit base member (1) and sawtooth (3), the edge of saw bit base member (1) is equipped with a set of toothholder (2) with annular array's mode, and is formed with mounting groove (4) between adjacent toothholder (2), sawtooth (3) weld in mounting groove (4), its characterized in that: the welding fixture further comprises an auxiliary welding block (7), wherein the auxiliary welding block (7) comprises a first welding part (71) and a second welding part (72) which are integrally formed, and the first welding part (71) and the second welding part (72) are combined to form an L-shaped structure; every cooperation groove (8) have all been seted up on toothholder (2), and first welding part (71) and cooperation groove (8) block each other, every draw-in groove (31) have all been seted up on the non-cutting face of sawtooth (3), and second welding part (72) and draw-in groove (31) block each other.
2. The cemented carbide circular saw blade as claimed in claim 1, wherein: every all be equipped with two sets of strengthening ribs (9) in the cooperation groove (8) the symmetry, and second welding part (72) and strengthening rib (9) block each other.
3. The cemented carbide circular saw blade as claimed in claim 1, wherein: the width of the mounting groove (4) is larger than that of the sawteeth (3), and a first matching surface (41), a second matching surface (42) and a third matching surface (43) which are mutually connected are arranged in the mounting groove (4) and are respectively attached to three non-cutting side surfaces of the sawteeth (3); the second matching surface (42) is an arc-shaped surface.
4. The cemented carbide circular saw blade as claimed in claim 1, wherein: the saw blade is characterized in that a mounting hole (6) is formed in the middle of the saw blade base body (1), the mounting hole (6) is formed by combining a fixing hole and three positioning holes, the fixing hole and the positioning holes are through holes, and the three positioning holes are wound around the fixing hole in an annular array mode.
5. The cemented carbide circular saw blade as claimed in claim 4, wherein: six recesses (5) have been seted up with annular array's mode on saw bit base member (1), and all embedded in every recess (5) has the snubber block, recess (5) are the blind hole, and recess (5) degree of depth is 1/2 of saw bit base member (1), the locating hole is located between recess (5) and the fixed orifices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020732607.XU CN212264724U (en) | 2020-05-07 | 2020-05-07 | Hard alloy circular saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020732607.XU CN212264724U (en) | 2020-05-07 | 2020-05-07 | Hard alloy circular saw blade |
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| Publication Number | Publication Date |
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| CN212264724U true CN212264724U (en) | 2021-01-01 |
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| CN202020732607.XU Active CN212264724U (en) | 2020-05-07 | 2020-05-07 | Hard alloy circular saw blade |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226889A (en) * | 2017-07-04 | 2019-01-18 | 张大晟 | A kind of inserted tooth type superhard cutting blade saw |
-
2020
- 2020-05-07 CN CN202020732607.XU patent/CN212264724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226889A (en) * | 2017-07-04 | 2019-01-18 | 张大晟 | A kind of inserted tooth type superhard cutting blade saw |
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