CN215790859U - Sintering circular saw blade - Google Patents
Sintering circular saw blade Download PDFInfo
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- CN215790859U CN215790859U CN202022599452.XU CN202022599452U CN215790859U CN 215790859 U CN215790859 U CN 215790859U CN 202022599452 U CN202022599452 U CN 202022599452U CN 215790859 U CN215790859 U CN 215790859U
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- base member
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- circular saw
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Abstract
The utility model relates to a sintering circular saw blade, relate to cutting means's field, it includes the base member, the tool bit, the base member is the disc, tool bit fixed connection is in the circumferential direction face of base member, the tool bit evenly is provided with a plurality ofly along the base member circumferential direction face, and the sum of all tool bit inward flange centre of circle angles is 340 ° -350 ° °, fixedly connected with great wall tooth on the base member circumferential direction face, the great wall tooth is inserted and is established in the tool bit, the great wall tooth evenly is provided with a plurality ofly along the base member circumferential direction face, the quantity of great wall tooth is 4-7 times of tool bit quantity, the line of base member centre of a circle is kept away from to the side that two adjacent great wall teeth are relative is the line alpha angle between this side, the angle of alpha angle is 6 ° -10. This application has the effect that improves the bonding strength of tool bit and base member.
Description
Technical Field
The application relates to the field of cutting tools, in particular to a sintering circular saw blade.
Background
In the production and construction process, stone, ceramic tiles and the like need to be cut, and the multipurpose cutting tool is a sintered circular saw blade.
The sintering circular saw blade comprises a base body and a cutter head, wherein the base body is a disc-shaped metal plate, the cutter head is a diamond cutter head, and the cutter head is fixed on the edge of the base body in a sintering mode.
In view of the above-described related art, the inventors considered that the cutter head is easily detached from the machine body during the cutting work using the sintered circular saw blade.
SUMMERY OF THE UTILITY MODEL
In order to improve the bonding strength of tool bit and base member, this application provides a sintering circular saw blade.
The application provides a sintering saw blade adopts following technical scheme:
a sintering circular saw blade comprises a base body and a cutter head, wherein the base body is in a disc shape, the cutter head is fixedly connected to the circumferential surface of the base body, the cutter head is uniformly provided with a plurality of cutter heads along the circumferential surface of the base body, the sum of the central angles of the inner edges of all the cutter heads is 340-350 degrees, long city teeth are fixedly connected to the circumferential surface of the base body and are inserted into the cutter head, the number of the long city teeth is uniformly arranged along the circumferential surface of the base body, the number of the long city teeth is 4-7 times that of the cutter heads, an included angle between a connecting line from a sideline far away from the base body to the center of the base body on the side surface opposite to two adjacent long city teeth and the side surface is an alpha angle, and the angle of the alpha angle is 6-10 degrees.
Through adopting above-mentioned technical scheme, the great wall tooth is inserted and is located in the tool bit, the area of contact of increase base member and tool bit, increase the base member and to the power of pulling of tool bit, be favorable to improving the bonding strength of tool bit and base member, and the great wall tooth is towards the trapezoidal of falling of base member, make the great wall tooth produce the radial power of controlling to the tool bit, the tool bit can receive the stopping of falling trapezoidal great wall tooth when radially keeping away from the base member along the base member promptly, make the tool bit be difficult for breaking away from along radial direction and great wall tooth, further increase the bonding strength of tool bit and base member, reduce the probability that tool bit and base member break away from, thereby improve the life of sintering saw blade.
Optionally, the angle α is 8 °.
Through adopting above-mentioned technical scheme, need carry out the punching press in order to obtain corresponding base member to the steel sheet with the mould in the manufacturing process of base member, can produce wearing and tearing to the mould in stamping process, if alpha angle is too big, the acute angle that the great wall tooth top becomes can be more sharp-pointed, it is worn and torn more easily to correspond sharp corner of mould department, influence the life of mould, 8 alpha angle is when realizing that the great wall tooth provides radial holding power to the tool bit, can not be because of the too big speed that the matrix mould is worn and torn of angle again, when improving bonding strength between tool bit and the base member, can not influence the life of mould again.
Optionally, an included angle between a connecting line from a side line of the opposite side surfaces of two adjacent cutter heads close to the base body to the circle center of the base body and the side surface is a beta angle, the angle of the beta angle is 5 degrees, and the interval between two adjacent cutter heads is called as a gap.
By adopting the technical scheme, in the cutting process, a large friction force exists between the cutter head and an object to be cut, the cutter head generates heat due to friction, the cutter head generates thermal expansion due to overhigh temperature, deformation space is provided for the thermal expansion of the interval seam head, and the probability of fracture of the cutter head due to the thermal expansion is reduced; the interval seams can also cut off the spread of heat, increase the contact area of air and the cutter head and be beneficial to improving the heat dissipation effect of the cutter head; when the cutter head vibrates, the air of the gap can generate certain resonance effect with noise generated in the cutting work, and noise pollution is reduced; in addition, the spacing seams are also beneficial to chip removal of chips generated in the cutting process; and the angle of beta angle is 5 setting for the interval seam is along the direction grow gradually of keeping away from the base member, under the condition that does not influence tool bit and base member area of contact, is favorable to improving the shared space volume of interval seam, thereby is favorable to improving the ability of alleviating and the noise reduction effect to the tool bit thermal expansion.
Optionally, the base body is provided with a deformation joint, the deformation joint extends inwards from the edge of the base body, and the deformation joint penetrates through the base body in the thickness direction of the base body.
By adopting the technical scheme, heat generated by friction between the cutter head and the cut object is transferred to the base body, the base body is also expanded to a certain extent when being heated, the deformation joint provides a deformation space for the base body to be expanded when being heated, the damage of the base body caused by expansion stress generated by the base body due to the expansion when being heated is reduced, and the service life of the base body is prolonged; in addition, the cavity in the deformation joint can enable sound waves of air and noise to generate a certain resonance effect, and noise pollution is reduced; meanwhile, in the cutting process, the sintered circular saw blade vibrates, the vibration wave is transmitted to the base body from the tool bit, and the deformation joint is arranged, so that the transmission of a part of the vibration wave can be cut off, the vibration of the sintered circular saw blade in the cutting process is weakened, the cutting effect is improved, and the noise generated by the vibration of the sintered circular saw blade can be reduced; the deformation joint also has a certain chip removal function.
Optionally, the deformation joint is evenly provided with a plurality ofly along the base member circumferential surface.
Through adopting above-mentioned technical scheme, set up a plurality of movement joints, be out of shape for the base member at the multi-angle and provide the space to the thermal expansion who adapts to the different positions of base member warp, is favorable to further the base member because of the thermal expansion produces expansion stress and makes the base member damage, improves base member life.
Optionally, the two deformation joints correspond to the spacing joints one by one, and the length of the deformation joint in the circumferential direction is not greater than that of the spacing joint.
By adopting the technical scheme, the deformation joint on the base body is not positioned at the connecting part of the tool bit and the base body, namely, the contact area of the tool bit and the base body cannot be reduced due to the arrangement of the deformation joint, and the bonding strength of the tool bit and the base body is favorably improved; in addition, the deformation joint is communicated with the spacing joint, so that the vibration space of sound waves can be enlarged when the noise sound waves resonate with air, and the noise reduction effect can be enhanced; the chip removal rate can be increased.
Optionally, the base is provided with heat dissipation holes, and the heat dissipation holes penetrate through the base in the thickness direction of the base.
Through adopting above-mentioned technical scheme, there is the circulation of air in the louvre, and the heat on some base members can be taken away in the circulation of air, is favorable to the heat dissipation of base member to reduce the base member because of the probability that the thermal expansion damaged, the louvre sets up on the base member moreover, can not influence the intensity of tool bit.
Optionally, the heat dissipation holes correspond to the deformation joints one by one, and the heat dissipation holes are communicated with the deformation joints.
Through adopting above-mentioned technical scheme, can produce certain stress when tool bit and base member are heated the inflation, if this stress is too big, during the stress that stores up can propagate the movement joint in the gap, stress among the movement joint can propagate in the radiating hole, reduces the stress concentration in gap and movement joint to reduce the probability that tool bit and base member damaged under the stress.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the angle alpha is set to be 6-10 degrees, so that the radial holding force of the great wall teeth on the cutter head is favorably improved, and the bonding strength between the cutter head and the base body is improved;
2. by arranging the deformation joint, the damage probability of the base body due to thermal expansion is reduced;
3. through setting up the louvre, be favorable to improving the radiating effect of base member, further reduce the base member simultaneously and damage the probability because of the thermal expansion.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a cross-sectional view of the present embodiment showing a long merlon;
fig. 3 is an enlarged view of a portion a in fig. 2.
Description of reference numerals: 1. a substrate; 11. a central bore; 12. long city teeth; 13. deformation joints; 14. heat dissipation holes; 15. an angle alpha; 2. a cutter head; 21. spacing seams; 22. angle beta.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a sintering circular saw blade. Referring to fig. 1 and 2, a sintering circular saw blade comprises a base body 1 and a cutter head 2, wherein the base body 1 is a steel plate with a disc-shaped structure, a center hole 11 connected with an electric tool is formed in the center of a circle of the base body 1, a great wall tooth 12 is fixedly connected to the outer edge of the base body 1, a plurality of great wall teeth 12 are uniformly arranged along the circumferential direction of the base body 1, the cutter head 2 is fixedly connected to the edge of the base body 1, the great wall teeth 12 are inserted into the cutter head 2, an included angle between a connecting line from a side line of two opposite side surfaces of two adjacent great wall teeth 12 far away from the base body 1 to the center of the base body 1 and the side surface is an alpha angle 15, and the angle of the alpha angle 15 is 6-10 degrees, namely, the great wall teeth 12 are four-sided frustum pyramid with facets facing the base body 1; the great wall teeth 12 increase the contact area between the cutter head 2 and the base body 1, and meanwhile, the great wall teeth 12 have certain radial holding force on the cutter head 2.
Referring to fig. 2 and 3, the angle α 15 may be any angle of 6 ° to 10 °, such as 6 °, 7 °, 8 °, 9 °, 10 °, and the like, and in this embodiment, the angle α 15 is 8 °, which not only enables the merlon 12 to provide a large radial holding force to the tool bit 2, but also does not cause damage to the die of the substrate 1 during the stamping process when the substrate 1 is manufactured because the angle is too sharp at the corner of the merlon 12 due to too large angle.
Referring to fig. 2, the number of the great wall teeth 12 is 4-7 times of the number of the tool bit 2, in this embodiment, the number of the great wall teeth 12 is 5 times of the number of the tool bit 2, that is, 45 great wall teeth 12 are uniformly arranged along the outer edge, 9 great wall teeth 2 are arranged along the outer edge of the great wall teeth 12, 5 great wall teeth 12 are inserted into each tool bit 2, and 5 great wall teeth 12 are inserted into the tool bit 2, so that radial holding force in more directions can be generated on the tool bit 2, and the bonding strength between the tool bit 2 and the base body 1 can be improved; meanwhile, the waste of raw materials caused by the excessive number of the long city teeth 12 is avoided.
Referring to fig. 2 and 3, a certain interval exists between two adjacent cutter heads 2, and the interval is called as an interval gap 21, and the interval gap 21 can provide a deformation space for the cutter heads 2 to expand when heated, so that the probability of damage to the cutter heads 2 due to thermal expansion is reduced; the spacing gaps 21 also have certain noise reduction, heat dissipation and chip removal functions; the included angle between the connecting line from the side line of the side face, close to the base body 1, of the two adjacent cutter heads 2 to the circle center of the base body 1 and the side face is a beta angle 22, the angle of the beta angle 22 is 5 degrees, and the space volume occupied by the spacing seam 21 is increased, so that the effect of the spacing seam 21 is enhanced, meanwhile, the contact area of the cutter heads 2 and the base body 1 cannot be reduced, and the bonding strength of the base body 1 and the cutter heads 2 cannot be reduced. The sum of the central angles of the inner edges of all the tool bits 2 is 340-350 degrees, in the embodiment, the sum of the central angles of the inner edges of all the tool bits 2 is 342 degrees, namely, at the edge of the substrate 1, the length occupied by the tool bits 2 is 95 percent of the circumference of the substrate 1, the interval seams 21 have no cutting effect on the articles, the length of the interval seams 21 in the circumferential direction is reduced, and the cutting effect is improved.
Referring to fig. 2, the base body 1 is further provided with a deformation joint 13, the deformation joint 13 extends inwards from the edge of the base body 1, the deformation joint 13 penetrates through the base body 1 in the thickness direction of the base body 1, the deformation joints 13 correspond to the spacing joints 21 one by one, and the length of the deformation joint 13 in the circumferential direction is not greater than that of the spacing joint 21, in the embodiment, the length of the deformation joint 13 in the circumferential direction is equal to that of the spacing joint 21; the deformation joint 13 can intercept the inward propagation of the vibration wave from the edge of the base body 1, and the probability of the vibration of the base body 1 is reduced; the deformation joint 13 provides a deformation space for the base body 1 to expand when heated, the probability that the base body 1 is damaged due to thermal expansion is reduced, and the deformation joint 13 is communicated with the spacing joint 21, so that the noise reduction and chip removal effects are further improved; the extension length of the deformation joint 13 is one tenth of the radius of the base body 1, so that the strength of the base body 1 is prevented from being reduced due to the overlong deformation joint 13.
Referring to fig. 2, still be provided with louvre 14 on the base member 1, on 1 thickness direction of base member, louvre 14 runs through base member 1, louvre 14 with 13 one-to-one of movement joint, and louvre 14 and movement joint 13 intercommunication, it has the air to circulate in the louvre 14, be favorable to strengthening the radiating effect of base member 1, and interval seam 21, movement joint 13, 14 looks UNICOM of louvre are favorable to further reducing the probability that tool bit 2 and base member 1 damaged because of the thermal expansion, still be favorable to improving noise reduction effect simultaneously.
The implementation principle of the sintering circular saw blade in the embodiment of the application is as follows: use this application sintering circular saw blade to cut the during operation, base member 1 rotates under the electric work effect, drives tool bit 2 and rotates, and tool bit 2 rotates treats cutting object and cuts, and base member 1 rotates and can produce certain centrifugal force to tool bit 2, and long city tooth 12 has certain radial power of controlling to tool bit 2, improves the bonding strength between long city tooth 12 and the base member 1, reduces the probability that tool bit 2 and base member 1 separated under the centrifugal force effect.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A sintered circular saw blade characterized by: the novel tool comprises a base body (1) and tool bits (2), wherein the base body (1) is disc-shaped, the tool bits (2) are fixedly connected to the circumferential surface of the base body (1), the tool bits (2) are uniformly arranged in a plurality of numbers along the circumferential surface of the base body (1), the sum of the central angles of the inner edges of all the tool bits (2) is 340-350 degrees, the circumferential surface of the base body (1) is fixedly connected with long city teeth (12), the long city teeth (12) are inserted into the tool bits (2), the number of the long city teeth (12) is uniformly arranged in a plurality of numbers along the circumferential surface of the base body (1), the number of the long city teeth (12) is 4-7 times that of the tool bits (2), the included angle between the connecting line of the side surface, opposite to the side surface of two adjacent long city teeth (12), far away from the base body (1) and the center of the base body (1) and the side surface is alpha angle (15), and the angle of the alpha angle (15) is 6-10 degrees.
2. A sintered circular saw blade as claimed in claim 1, wherein: the angle alpha (15) is 8 deg..
3. A sintered circular saw blade as claimed in claim 1, wherein: the included angle between the connecting line from the side line of the side face, close to the base body (1), of the two adjacent cutter heads (2) to the circle center of the base body (1) and the side face is a beta angle (22), the angle of the beta angle (22) is 5 degrees, and the interval between the two adjacent cutter heads (2) is called as a gap (21).
4. A sintered circular saw blade as claimed in claim 1, wherein: be provided with movement joint (13) on base member (1), movement joint (13) are inwards extended from base member (1) edge, and movement joint (13) run through base member (1) in base member (1) thickness direction.
5. A sintered circular saw blade as claimed in claim 4, wherein: the deformation joints (13) are uniformly arranged along the circumferential surface of the base body (1).
6. A sintered circular saw blade as claimed in claim 4, wherein: the deformation joint (13) corresponds to the spacing joint (21) one by one, and the length of the deformation joint (13) in the circumferential direction is not greater than that of the spacing joint (21).
7. A sintered circular saw blade as claimed in claim 4, wherein: the heat dissipation device is characterized in that heat dissipation holes (14) are formed in the base body (1), and the heat dissipation holes (14) penetrate through the base body (1) in the thickness direction of the base body (1).
8. A sintered circular saw blade as claimed in claim 7, wherein: the heat dissipation holes (14) are in one-to-one correspondence with the deformation joints (13), and the heat dissipation holes (14) are communicated with the deformation joints (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022599452.XU CN215790859U (en) | 2020-11-11 | 2020-11-11 | Sintering circular saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022599452.XU CN215790859U (en) | 2020-11-11 | 2020-11-11 | Sintering circular saw blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215790859U true CN215790859U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022599452.XU Active CN215790859U (en) | 2020-11-11 | 2020-11-11 | Sintering circular saw blade |
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|---|---|
| CN (1) | CN215790859U (en) |
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- 2020-11-11 CN CN202022599452.XU patent/CN215790859U/en active Active
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