CN217618151U - Circular saw blade with countersunk cutter bar fixing hole - Google Patents
Circular saw blade with countersunk cutter bar fixing hole Download PDFInfo
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- CN217618151U CN217618151U CN202221131354.6U CN202221131354U CN217618151U CN 217618151 U CN217618151 U CN 217618151U CN 202221131354 U CN202221131354 U CN 202221131354U CN 217618151 U CN217618151 U CN 217618151U
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- bit main
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- saw bit
- cutter arbor
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Abstract
The utility model discloses a circular saw blade with countersunk head formula cutter arbor fixed orifices, including the saw bit main part, the middle part of saw bit main part be equipped with be used for with cutter arbor complex countersunk head formula fixed orifices, be equipped with the mating holes on the top of cutter arbor, the bottom part cooperation of saw bit main part is in the mating holes, the border department circumference of saw bit main part is equipped with a plurality of sawtooth, be equipped with positioning gland in the top of countersunk head formula fixed orifices, positioning gland's middle part is equipped with the through-hole, let in fixed screw in the through-hole and make saw bit main part, positioning gland and cutter arbor three be connected as a whole, saw bit main part border department circumference is equipped with a plurality of chip removal mouth, and this circular saw blade is through the cooperation of countersunk head formula fixed orifices back on the cutter arbor, and rethread screw and positioning gland fix on the cutter arbor, and positioning gland can fix a position the hookup location of saw bit main part and cutter arbor, makes the cooperation degree of accuracy between saw bit main part and the cutter arbor improve to improve the stability of saw bit main part in the course of work.
Description
Technical Field
The utility model relates to a saw bit technical field specifically is a circular saw blade with countersunk head formula cutter arbor fixed orifices.
Background
The circular saw blade is widely applied to the fields of buildings, decorations and the like, most of the circular saw blade is installed and fixed on the cutter bar through screws, the screws can protrude out of the saw blade after the circular saw blade is installed on the cutter bar, and when a plane needs to be cut on the surface of a workpiece with the area larger than that of the saw blade, the protruding screws can interfere with cutting processing of the circular saw blade, so that the circular saw blade cannot move on the surface of the workpiece integrally for cutting; aiming at the problem, people design some circular saw blades with countersunk hole structures, but the circular saw blades with the countersunk hole structures still have defects in the matching stability with the cutter bar, the circular saw blades are fixed on the cutter bar inaccurately in positioning or fixing effect, and the stability of the circular saw blades in the cutting process is influenced; the circular saw blade can generate higher temperature in the cutting process, and if the chip removal efficiency of the saw blade is poor, the circular saw blade is easy to damage, and even the cutting effect of the surface of a workpiece can be influenced; therefore, there is a need for a circular saw blade with a countersunk shank attachment hole.
SUMMERY OF THE UTILITY MODEL
The utility model is not enough to the above-mentioned technique, provide one kind through countersunk head formula fixed orifices cooperation back on the cutter arbor, rethread screw and location gland are fixed on the cutter arbor, and the hookup location gland can fix a position the hookup location of saw bit main part and cutter arbor, makes the cooperation degree of accuracy between saw bit main part and the cutter arbor improve to improve the saw blade of the stability of saw bit main part in the course of the work.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a circular saw blade with countersunk head formula cutter arbor fixed orifices, includes the saw bit main part, the middle part of saw bit main part be equipped with be used for with cutter arbor complex countersunk head formula fixed orifices, be equipped with the mating holes on the top of cutter arbor, the bottom part cooperation of saw bit main part is in the mating holes, the border department circumference of saw bit main part is equipped with a plurality of sawtooth, be equipped with the location gland in the top of countersunk head formula fixed orifices, the middle part of location gland is equipped with the through-hole, let in fixed screw in the through-hole and make saw bit main part, location gland and cutter arbor three connect as a whole, saw bit main part border department circumference is equipped with a plurality of chip removal mouth.
Furthermore, the diameter of the countersunk head type fixing hole is the same as that of the positioning gland.
Further, circumference is equipped with a plurality of cooperation seat on the border on location gland surface, be equipped with first cooperation groove in the cooperation seat, be equipped with second cooperation groove on the location gland of first cooperation groove below, circumference is equipped with a plurality of cooperation piece on the saw bit main part wall on countersunk head formula fixed orifices bottom edge, the cooperation piece cooperation is in first cooperation groove and second cooperation inslot.
Furthermore, a plurality of insert blocks are circumferentially arranged on the bottom surface of the positioning gland, a plurality of first slots are circumferentially arranged on the saw blade body below the countersunk head type fixing hole, a plurality of second slots are circumferentially arranged on the top surface of the cutter bar, the insert blocks are inserted into the first slots and the second slots, the first slots and the second slots are the same as the insert blocks in shape, and the cross sections of the insert blocks are arc-shaped.
Furthermore, both sides of the saw teeth are provided with tooth edges, and the tooth edges on the same saw teeth are opposite in direction.
The utility model has the advantages that:
through countersunk head formula fixed orifices cooperation back on the cutter arbor, rethread screw and location gland are fixed on the cutter arbor, and the hookup location of location gland can be fixed a position saw bit main part and cutter arbor, makes the cooperation degree of accuracy between saw bit main part and the cutter arbor improve to improve the stability of saw bit main part in the course of the work, be equipped with two opposite direction's tooth sword on the sawtooth, thereby make the saw bit main part can follow the not equidirectional cutting, guarantee that the saw bit main part all has the same cutting force when the equidirectional cutting.
Drawings
Fig. 1 is a plan view of the circular saw blade.
Fig. 2 isbase:Sub>A schematic structural view in the directionbase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 is a schematic structural diagram of the positioning gland.
In the figure, a saw blade body 1, a countersunk fixing hole 2, a positioning gland 3, a through hole 4, a fixing screw 5, a matching seat 6, a first matching groove 7, a second matching groove 8, a matching block 9, an insertion block 10, a first slot 11, a second slot 12, a cutter rod 13, sawteeth 14 and a matching hole 15.
Detailed Description
As shown in 1~3, a circular saw blade with countersunk knife bar fixing hole, including saw blade main part 1, the middle part of saw blade main part 1 is equipped with and is used for countersunk fixing hole 2 with the cooperation of cutter arbor 13, be equipped with mating holes 15 on the top of cutter arbor 13, the bottom part cooperation of saw blade main part 1 is in mating holes 15, the border department circumference of saw blade main part 1 is equipped with a plurality of sawtooth 14, be equipped with positioning gland 3 in the top of countersunk fixing hole 2, positioning gland 3's middle part is equipped with through-hole 4, let in fixed screw 5 in through-hole 4 and make saw blade main part 1, positioning gland 3 and cutter arbor 13 three connect as a whole, saw blade main part 1 border department circumference is equipped with a plurality of chip removal mouth.
The diameter of the countersunk head type fixing hole 2 is the same as that of the positioning gland 3.
Circumference is equipped with a plurality of cooperation seat 6 on the border on 3 surfaces of positioning gland, be equipped with first cooperation groove 7 in the cooperation seat 6, be equipped with second cooperation groove 8 on the positioning gland 3 of first cooperation groove 7 below, circumference is equipped with a plurality of cooperation piece 9 on the 2 bottom edges of countersunk head formula fixed orifices 2 on the border saw bit main part 1 wall, cooperation piece 9 cooperation is in first cooperation groove 7 and second cooperation groove 8.
A plurality of inserting blocks 10 are circumferentially arranged on the bottom surface of the positioning gland 3, a plurality of first inserting grooves 11 are circumferentially arranged on the saw blade main body 1 below the countersunk head type fixing hole 2, a plurality of second inserting grooves 12 are circumferentially arranged on the top surface of the cutter bar 13, the insert block 10 is inserted into the first insert groove 11 and the second insert groove 12, the shape of the first insert groove 11 and the shape of the second insert groove 12 are the same as the shape of the insert block 10, and the cross section of the insert block 10 is arc-shaped.
Both sides of the saw teeth 14 are provided with tooth edges, and the tooth edges on the same saw teeth 14 are opposite in direction.
After the top end part of the cutter bar 13 is matched with the countersunk fixed hole 2, the positioning gland 3 is arranged in the countersunk fixed hole 2 along the direction that the second matching groove 8 is matched with the matching block 9, after the positioning gland 3 is arranged, the matching block 9 is matched in the first matching groove 7 on the matching seat 6 by pressing down the positioning gland 3, and meanwhile, the insert block 10 is arranged in the first slot 11 and the second slot 12, so that the positioning of the saw blade main body 1 on the cutter bar 13 is realized, and then the fixing screw 5 is introduced, so that the saw blade main body 1 is fixed on the cutter bar 13, the saw blade main body 1, the positioning gland 3 and the cutter bar 13 are connected into a whole, and the stability of the saw blade main body 1 in the working process is improved; the saw teeth 14 are provided with two tooth edges in opposite directions, so that the saw blade body 1 can cut from different directions, and the saw blade body 1 can have the same cutting force when cutting in different directions.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a circular saw blade with countersunk head formula cutter arbor fixed orifices, includes the saw bit main part, the middle part of saw bit main part be equipped with be used for with cutter arbor complex countersunk head formula fixed orifices, its characterized in that, be equipped with the mating holes on the top of cutter arbor, the bottom part cooperation of saw bit main part is in the mating holes, the border department circumference of saw bit main part is equipped with a plurality of sawtooth, be equipped with the positioning gland in the top of countersunk head formula fixed orifices, the middle part of positioning gland is equipped with the through-hole, let in the through-hole fixed screw and make saw bit main part, positioning gland and cutter arbor three connect as a whole, saw bit main part border department circumference is equipped with a plurality of chip removal mouth.
2. The circular saw blade as claimed in claim 1, wherein the diameter of said countersunk fixing hole is the same as the diameter of the positioning gland.
3. The circular saw blade as claimed in claim 1, wherein the edge of the surface of the positioning gland is circumferentially provided with a plurality of matching seats, the matching seats are internally provided with first matching grooves, the positioning gland below the first matching grooves is provided with second matching grooves, the wall surface of the saw blade body on the edge of the bottom end of the countersunk head type fixing hole is circumferentially provided with a plurality of matching blocks, and the matching blocks are matched in the first matching grooves and the second matching grooves.
4. The circular saw blade as claimed in claim 1, wherein the bottom surface of the positioning cover is circumferentially provided with a plurality of insert blocks, the saw blade body below the countersunk fixing hole is circumferentially provided with a plurality of first slots, the top surface of the cutter bar is circumferentially provided with a plurality of second slots, the insert blocks are inserted into the first slots and the second slots, the first slots and the second slots have the same shape as the insert blocks, and the cross sections of the insert blocks are arc-shaped.
5. The circular saw blade as claimed in claim 1, wherein said teeth are provided with tooth edges on both sides, said tooth edges being in opposite directions on the same tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221131354.6U CN217618151U (en) | 2022-05-12 | 2022-05-12 | Circular saw blade with countersunk cutter bar fixing hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221131354.6U CN217618151U (en) | 2022-05-12 | 2022-05-12 | Circular saw blade with countersunk cutter bar fixing hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217618151U true CN217618151U (en) | 2022-10-21 |
Family
ID=83652053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221131354.6U Active CN217618151U (en) | 2022-05-12 | 2022-05-12 | Circular saw blade with countersunk cutter bar fixing hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217618151U (en) |
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2022
- 2022-05-12 CN CN202221131354.6U patent/CN217618151U/en active Active
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