CN214557910U - Combined circular saw web - Google Patents
Combined circular saw web Download PDFInfo
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- CN214557910U CN214557910U CN202120684147.2U CN202120684147U CN214557910U CN 214557910 U CN214557910 U CN 214557910U CN 202120684147 U CN202120684147 U CN 202120684147U CN 214557910 U CN214557910 U CN 214557910U
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- saw blade
- tool bit
- side end
- cutter head
- circular saw
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Abstract
The utility model discloses a modular saw blade. The saw blade comprises a saw blade body and a cutter head, wherein toothed protrusions are uniformly distributed on the outer edge of the saw blade body, the upper part of each toothed protrusion is provided with a cutter head seat, the side surface of each cutter head seat is a side end wall, the side end walls and the cutter head are in contact in the thickness direction of the saw blade body and are arranged side by side, the side end walls and the cutter head are fixed together through screws, and 4 identical cutting edges are arranged on the cutter head. This structure can carry out the azimuth rotation to the sword piece blade of wearing and tearing, realizes the quick switching of cutting edge to reach and improve production efficiency and improve cutting performance, reduce alloy sword piece's utilization cost simultaneously. The cutting efficiency of processing special high-alloy and other difficult-to-process materials is improved by times, and obvious economic benefits are generated for the saw blade industry.
Description
Technical Field
The utility model belongs to the technical field of the saw bit technique and specifically relates to a modular circular saw blade.
Background
Saw blades are one of the indispensable tools in the field of machining. Saw blades are a general term for thin circular cutters used to cut solid materials. Depending on the application, the saw blade can be divided into: a milling cutter saw blade, a machine saw blade, a manual saw blade, a metal special saw blade (aluminum saw blade, copper saw blade, stainless steel saw blade, etc.), a pipe-cutting circular saw blade, a wood saw blade, a stone saw blade, an acrylic saw blade, etc. The classification can be divided into: high speed steel saw blades (HSS saw blades), solid carbide saw blades, tungsten steel saw blades, tipped alloy saw blades, diamond saw blades, and the like. The circular saw blade has many kinds according to the material, model and specification, and in recent decades, various improved structures are derived from the circular saw blade.
At present, the cemented carbide circular saw blade can still exert excellent performance under the environment with severe working condition environment by the advantages of high rotating speed, good cutting quality precision, high production efficiency and the like. The cutting device is widely applied to the fixed-length blanking and fixed-length cutting of metal and non-metal materials in large-scale metallurgy industry, machining industry, large-scale steel rolling industry and forging enterprises. The traditional hard alloy circular saw blade is characterized in that an alloy cutter block and a blade body are directly welded through high frequency and resistance heating at 700-800 ℃, different tooth-shaped angles are ground in a professional grinding machine according to different requirements of cutting materials, and the cutting work is completed by matching with a parameter performance saw machine which is correspondingly adapted. Because of its higher cutting efficiency and stable cutting accuracy, make its demand in each industry continuous improvement, but with the continuous progress of science and technology, the novel material that comprehensive properties progressively improved constantly appears and uses, exist not enough in the aspect of the performance of current carbide saw bit, to a great extent has restricted more high-efficient performance and customer's cost requirement, and concrete defect shows in the following aspect: firstly, the high temperature welding influences, and welding work is accomplished to alloy sword piece and saw bit lamellar body under high temperature environment, and the repeated heating can lead to the fact the decarbonization to the heating region of lamellar body itself, and the tissue changes, and in use causes crack defect easily. Secondly, repeated high-temperature heating can have adverse effects on the rigidity, hardness, strength and stress of the sheet body. Thirdly, the alloy cutter block welded in a fixed mode can only finish cutting by one cutting edge, and cannot be reused after being damaged, so that the use cost of the alloy is greatly increased. Fourthly, under the influence of heat, the effect of the mechanical property and the cutting property of the coating of the alloy cutter block can be seriously reduced in the high-temperature welding process of the hard alloy cutter block coated by the CVD and PVD, so that the hard alloy cutter block cannot be widely applied, and the technical problem to be improved in the field is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide a modular saw blade, it improves production efficiency and improves cutting performance, reduces the utilization cost of alloy sword piece simultaneously.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a modular saw blade, includes the saw blade lamellar body and tool bit, is provided with dentate arch at saw blade lamellar body outer fringe equipartition, and every dentate bellied upper portion all is equipped with the tool bit seat that is used for placing the tool bit, the side of tool bit seat is the side wall, side end wall and tool bit contact and set up side by side in saw blade lamellar body thickness direction, side end wall and tool bit pass through the fix with screw and are in the same place, there are 4 the same cutting edges on the tool bit.
Preferably, an included angle between one surface of the side end wall of the tooth-shaped protrusion facing the tool bit and the tangential direction in the radial reference surface is 0.5-2.5 degrees, and an included angle between one surface of the side end wall of the tooth-shaped protrusion facing the tool bit and the radial direction in the radial reference surface is 0.5-2.5 degrees.
Preferably, a protruding positioning boss is arranged at a screw hole on one surface, facing the cutter head, of the side end wall of the dentate protrusion, and a taper hole corresponding to the positioning boss is arranged at the screw hole of the cutter head.
Furthermore, both ends of the screw hole of the tool bit are provided with taper holes corresponding to the positioning bosses.
Preferably, the side end walls of the adjacent dentations are opposite to the position sequence of the cutter head, and the side end walls of the adjacent dentations are inclined towards one surface of the cutter head at the same angle and are arranged in a staggered way.
Preferably, the height and the width of the surface of the cutter head contacted with the side end wall are different.
Preferably, all the cutting edges on the cutting head are symmetrically distributed with the screw hole axis of the cutting head as the center, and the distances between all the cutting edges on the cutting head and the screw hole axis of the cutting head are the same.
Preferably, the center of the saw blade body is provided with a center hole, mounting holes are distributed around the center hole, and hoisting holes are arranged on the periphery of the mounting holes.
Preferably, the tool bit is made of alloy materials or ceramic materials.
After adopting above-mentioned technical scheme, owing to set up demountable installation, and the tool bit that rotatable installation used sets up 4 the same cutting edges on this tool bit, after the alloy sword piece wearing and tearing of sawtooth, can carry out the azimuth rotation to the sword piece blade of wearing and tearing, realize the quick switch-over of cutting edge, a tool bit can be equivalent to four traditional tool bits to reduce the utilization cost of alloy sword piece, improve production efficiency, and improve cutting performance. The polygonal rotatable bolt fastening type alloy circular saw blade more conveniently and quickly enables the hard alloy cutter block and the ceramic cutter block which are treated by CVD and PVD coatings to be popularized and applied more widely, improves the cutting efficiency of processing special high-alloy and other difficult-to-process materials by times, and generates remarkable economic benefits for the saw blade industry.
Drawings
FIG. 1 is a front view of a combined circular saw blade of the present invention;
FIG. 2 is a perspective view of the assembled circular saw blade of the present invention;
FIG. 3 is an enlarged partial schematic view of the tooth-like projections and the cutting head of FIG. 2;
FIG. 4 is an enlarged view of a portion of the tooth-like projections of the blade body, with the cutting tip omitted;
fig. 5 is a schematic structural diagram of the middle cutter head of the present invention.
The reference numbers in the figures are as follows:
1-saw blade body; 101-a dentate bulge; 1011-side end wall; 1012-positioning a boss; 1013-tool bit slot; 102-a central hole; 103-mounting holes; 104-hoisting holes; 2, a cutter head; 201-screw hole; 202-chip space; 203-a cutting edge; 3-screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The following description is only for the purpose of explanation and is not intended to limit the invention.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model relates to a combined circular saw blade, including the saw bit lamellar body 1 and tool bit 2, be provided with dentate bulge 101 at 1 outer fringe equipartition of saw bit lamellar body, the upper portion of every dentate bulge 101 all is equipped with the tool bit holder that is used for placing tool bit 2, and there is a side end wall 1011 the side of tool bit holder, side end wall 1011 and tool bit 2 contact and set up side by side in 1 thickness direction of saw bit lamellar body, side end wall 1011 and tool bit 2 pass through screw 3 to be fixed together, there are 4 the same cutting edges 203 on the tool bit 2.
Fig. 4 is a partial enlarged view of the tooth-shaped protrusion 101 of the saw blade body, the tool tip seat of the tooth-shaped protrusion 101 at least includes 3 planes, wherein the tool tip seat on one tooth-shaped protrusion 101 includes M surfaces, a surface a and B surfaces, one surface (the side surface of the tool tip seat) of the side end wall 1011 of the tooth-shaped protrusion 101 facing the tool tip 2 is the M surface, the other two surfaces of the tool tip seat are the a surface and the B surface, and the tool tip seat of the adjacent other tooth-shaped protrusion also has three surfaces, which may be M surfaces respectively1Face (at the back and not shown in the figure), A1Flour and B1The surface of the tool bit holder, between the surface a and the surface B, may be provided with a tool bit groove 1013 for placing the tool bit 2, in fig. 4, a surface of the side end wall 1011 of the tooth-shaped protrusion 101 facing the tool bit 2 forms an included angle of 0.5 ° to 2.5 ° with the tangential direction in the radial reference surface, and a surface of the side end wall 1011 of the tooth-shaped protrusion 101 facing the tool bit 2 forms an included angle of 0.5 ° to 2.5 ° with the radial direction in the radial reference surface. The radial reference surface may be any plane located between the side surfaces of the two sides of the saw blade body 1 and parallel to the side surfaces of the two sides of the saw blade body 1, the radial direction of the saw blade body 1 displayed on the radial reference surface is radial, the tangential direction of each position on the circumference of the saw blade body 1 displayed on the radial reference surface is tangential to each position, the side end wall 1011 forms a certain angle with the radial direction and the tangential direction, so that the tool bit 2 also forms a certain angle with the radial direction and the tangential direction, the setting of the angle belongs to the common general knowledge in the art, and detailed description is omitted here.
Preferably, a protruding positioning boss 1012 is provided at a screw hole of one surface of the side end wall 1011 facing the tool bit 2, and a tapered hole corresponding to the positioning boss 1012 is provided at the screw hole 201 of the tool bit.
Further, both ends of the screw hole 201 of the cutter head 2 are provided with taper holes corresponding to the positioning bosses 1012.
Preferably, the side end walls 1011 of the adjacent dentations 101 and the bit 2 are located in opposite order, and the side end walls 1011 are inclined towards one surface of the bit 2 at the same angle and are staggered.
The shape of the tool bit 2 can be set to different shapes according to actual working condition requirements, for example, the height and the width of the surface of the tool bit 2, which is in contact with the side end wall 1011, can be different, that is, the side surface of the tool bit 2 can be set to be rectangular, so that the tool bit can meet the requirements of the shape and the space of the toothed protrusion 101, that is, the width of the tool bit 2 is small, the tangential dimension of the toothed protrusion 101 can be small, and dense teeth arrangement is achieved. However, it should be noted that when the height and the width of the side end wall 1011 of the cutting head 2 are equal, the cutting head 2 can rotate along the axis of the screw hole 201, so that the four cutting edges 203 are located at the cutting working positions. And when the one side height that tool bit 2 and side end wall 1011 contacted is not equal with the width, the one side that this side end wall 1011 faces tool bit 2 is close the rectangle, only two cutting edges 203 that are in the diagonal position can rotate and trade to the cutting work position among four cutting edges 203 of tool bit 2, and two other cutting edges 203 can use when placing adjacent dentate bulge 101 after tool bit 2 overturns, the chip groove 202 position of tool bit 2 sets up and also distinguishes under two kinds of circumstances, but whatever kind of circumstances, four cutting edges 203 of tool bit 2 all can use, thereby the reusability of tool bit 2 has been realized, the life of tool bit 2 has been showing to be improved.
Preferably, all the cutting edges 203 of the cutting head 2 are symmetrically distributed around the screw axis of the cutting head, and the distances between all the cutting edges 203 of the cutting head and the screw axis of the cutting head are the same.
Preferably, the center of the saw blade body 1 is provided with a center hole 102, mounting holes 102 are distributed around the center hole 102, and hoisting holes 103 are arranged on the periphery of the mounting holes 102.
Preferably, the tool bit 2 is made of alloy material or ceramic material.
The present invention has been described in terms of some embodiments, and is not intended to be limited to the embodiments, and any modifications, improvements, equivalents, and the like that are made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A combined circular saw blade is characterized in that: including the saw bit lamellar body and tool bit, be provided with dentate arch at saw bit lamellar body outer fringe equipartition, every dentate bellied upper portion all is equipped with the tool bit holder that is used for placing the tool bit, the side of tool bit holder is side end wall, side end wall and tool bit contact and set up side by side in saw bit lamellar body thickness direction, side end wall and tool bit pass through the fix with screw and are in the same place, there are 4 the same cutting edges on the tool bit.
2. The modular circular saw blade as claimed in claim 1, wherein: one surface of the side end wall of the dentate bulge, facing the tool bit, forms an included angle of 0.5-2.5 degrees with the tangential direction in the radial reference surface, and one surface of the side end wall of the dentate bulge, facing the tool bit, forms an included angle of 0.5-2.5 degrees with the radial direction in the radial reference surface.
3. The modular circular saw blade as claimed in claim 1, wherein: the side end wall of the tooth-shaped protrusion is provided with a protruding positioning boss at a screw hole facing one surface of the cutter head, and the screw hole of the cutter head is provided with a taper hole corresponding to the positioning boss.
4. The modular circular saw blade as claimed in claim 3, wherein: the two ends of the screw hole of the cutter head are provided with taper holes corresponding to the positioning bosses.
5. The modular circular saw blade as claimed in claim 1, wherein: the side end walls of the adjacent dentations are opposite to the position sequence of the cutter head, and the side end walls of the adjacent dentations are inclined towards one surface of the cutter head at the same angle and are arranged in a staggered way.
6. The modular circular saw blade as claimed in claim 1, wherein: the height and the width of the side wall, which is contacted with the side head, of the cutter head are different.
7. The modular circular saw blade as claimed in claim 1, wherein: all cutting edges on the tool bit use the screw axis of the tool bit as central symmetry distribution, just all cutting edges on the tool bit are the same with the distance of tool bit screw axis.
8. The modular circular saw blade as claimed in claim 1, wherein: the saw blade body is characterized in that a center hole is formed in the center of the saw blade body, mounting holes are distributed around the center hole, and hoisting holes are formed in the periphery of the mounting holes.
9. The modular circular saw blade as claimed in claim 1, wherein: the tool bit is made of alloy materials or ceramic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120684147.2U CN214557910U (en) | 2021-04-02 | 2021-04-02 | Combined circular saw web |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120684147.2U CN214557910U (en) | 2021-04-02 | 2021-04-02 | Combined circular saw web |
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| Publication Number | Publication Date |
|---|---|
| CN214557910U true CN214557910U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120684147.2U Active CN214557910U (en) | 2021-04-02 | 2021-04-02 | Combined circular saw web |
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| CN (1) | CN214557910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846396A (en) * | 2021-04-02 | 2021-05-28 | 潞城市潞发锯业有限公司 | Combined circular saw web |
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2021
- 2021-04-02 CN CN202120684147.2U patent/CN214557910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846396A (en) * | 2021-04-02 | 2021-05-28 | 潞城市潞发锯业有限公司 | Combined circular saw web |
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