CN212311034U - Circular saw blade for sawing automobile crankshaft - Google Patents
Circular saw blade for sawing automobile crankshaft Download PDFInfo
- Publication number
- CN212311034U CN212311034U CN202020843346.9U CN202020843346U CN212311034U CN 212311034 U CN212311034 U CN 212311034U CN 202020843346 U CN202020843346 U CN 202020843346U CN 212311034 U CN212311034 U CN 212311034U
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- saw blade
- convex ring
- blade body
- reinforced wear
- sheet
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Abstract
The utility model discloses a circular saw blade for sawing automobile crankshafts, which comprises a saw blade body and sawteeth arrayed at the periphery of the saw blade body, wherein two sides of the saw blade body are respectively provided with a concave hole, the periphery of the concave hole is provided with positioning platforms arranged in a gear shape, the saw blade body at the inner side of the concave hole is provided with an inner convex ring, an outer convex ring and convex ribs, the inner convex ring, the outer convex ring and the convex ribs enable a plurality of sector areas to be formed in the concave hole, each sector area is internally provided with a nitrile rubber sheet layer, two sides of the saw blade body are respectively provided with a reinforced wear-resistant sheet, the section of the reinforced wear-resistant sheet is in a flat frustum shape, the inner sides of the two reinforced wear-resistant sheets are provided with grooves corresponding to the inner convex ring, the outer convex ring and the convex ribs, the peripheries of the two reinforced wear-resistant sheets are also provided with connecting grooves corresponding to the positioning platforms, the, the utility model has long service life.
Description
Technical Field
The utility model relates to a car bent axle saw cuts and uses circular saw blade.
Background
Automobile crankshaft is superhard materials, when utilizing the saw blade to cut automobile crankshaft, often the sawtooth still does not wear and tear completely, but the both sides of saw blade are because of long-time friction serious wearing and tearing, lead to the life of saw blade lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of above-mentioned prior art, provide a car bent axle saw cuts and uses circular saw blade.
The technical scheme of the utility model is that: the utility model provides a car bent axle saw cuts uses circular saw blade, including saw bit body and array in the sawtooth of saw bit body periphery, the both sides of saw bit body respectively have a shrinkage pool, the periphery of shrinkage pool has the location platform of gear form range, each the location platform corresponds the toothholder position setting of saw bit body, interior bulge loop and evagination ring have on the inboard saw bit body of shrinkage pool, it has many fins still to array between interior bulge loop and the evagination ring, interior bulge loop, evagination ring and fin make and have formed a plurality of fan-shaped regions in the shrinkage pool, each be provided with butyronitrile rubber thin slice layer in the fan-shaped region, the both sides of saw bit body still respectively are equipped with one and strengthen wear-resisting piece, the section of strengthening wear-resisting piece is a flat frustum form, two strengthen wear-resisting piece inboard have with interior bulge loop, evagination ring and the corresponding recess of fin, two strengthen wear-resisting piece periphery still have with each the corresponding spread groove of location platform, the reinforced wear-resistant sheet is matched in the concave hole and clamps the nitrile rubber thin sheet layers between the reinforced wear-resistant sheet and the saw blade body.
Furthermore, each positioning table is positioned in the middle of the inner sides of every two tooth seats of the saw blade body, and the positioning table and the tooth seats keep a distance.
Furthermore, the cross sections of the inner convex ring and the outer convex ring are triangular, and the vertex angles of the inner convex ring and the outer convex ring are obliquely arranged towards the inner side and the outer side respectively.
Further, the cross section of the convex rib is triangular.
Specifically, the reinforced wear-resistant sheet is a chromium carbide-based hard alloy sheet.
Furthermore, the saw blade body in the middle of the concave hole is provided with a mounting hole, a plurality of fixing holes are further arrayed between the mounting hole and the inner convex ring, the reinforcing wear-resistant plate is provided with a hole corresponding to the mounting hole and a counter bore corresponding to each fixing hole, and the fixing holes and the corresponding counter bores are fixed with bolts and nuts.
The utility model has the advantages that: the reinforced wear-resistant plate is mainly used for rubbing the cutting surface of the automobile crankshaft saw, and the reinforced wear-resistant plate is of a replaceable structure, so that when the reinforced wear-resistant plate is seriously worn, the reinforced wear-resistant plate can be replaced without replacing the whole saw blade, and the service life of the automobile crankshaft saw is prolonged; simultaneously, through the combination department structural design who strengthens wear pad and saw bit body, the utility model discloses a strengthen the difficult production rotation or the displacement of wear pad, can effectively support the saw bit main part, keep the intensity of saw bit main part.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the present invention with the reinforcing wear plate removed;
fig. 4 is an enlarged view of a portion a in fig. 3.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Referring to fig. 1-4, a circular saw blade for sawing a crankshaft of an automobile includes a blade body 1 and saw teeth 2 arrayed on the outer circumference of the blade body 1;
two sides of the saw blade body 1 are respectively provided with a concave hole 3, the periphery of each concave hole 3 is provided with positioning tables 4 arranged in a gear shape, and each positioning table 4 is arranged corresponding to the tooth seat position of the saw blade body 1; specifically, each positioning table 4 is positioned in the middle of the inner sides of every two tooth seats of the saw blade body 1, and the positioning table 4 keeps a distance from the tooth seats, so that the strength of each tooth seat is ensured, and the tooth seats are prevented from cracking in the cutting process;
the saw blade body 1 on the inner side of the concave hole 3 is provided with an inner convex ring 5 and an outer convex ring 6, the sections of the inner convex ring 5 and the outer convex ring 6 are triangular, the vertex angles of the inner convex ring 5 and the outer convex ring 6 are respectively arranged in an inclined manner towards the inner side and the outer side, twelve convex ribs 7 are further arrayed between the inner convex ring 5 and the outer convex ring 6, the sections of the convex ribs 7 are also triangular, the structure is favorable for keeping the strength of the saw blade body 1 provided with the concave hole 3 to the maximum extent, the inner convex ring 5, the outer convex ring 6 and the convex ribs 7 enable twelve fan-shaped areas to be formed in the concave hole 3, nitrile rubber sheet layers 8 are arranged in each fan-shaped area, and each nitrile rubber sheet layer 8 plays a role of a gasket, can absorb shock and prevent falling and also;
two sides of the saw blade body 1 are respectively provided with a reinforced wear-resistant sheet 9, the reinforced wear-resistant sheets 9 are chromium carbide-based hard alloy sheets, the section of each reinforced wear-resistant sheet 9 is in a flat frustum shape, grooves corresponding to the inner convex ring 5, the outer convex ring 6 and the convex ribs 7 are formed in the inner sides of the two reinforced wear-resistant sheets 9, connecting grooves corresponding to the positioning tables 4 are formed in the peripheries of the two reinforced wear-resistant sheets 9, the reinforced wear-resistant sheets 9 are matched in the concave holes 3, and the nitrile rubber thin sheet layers 8 are clamped between the reinforced wear-resistant sheets 9 and the saw blade body 1; a mounting hole 10 is formed in the saw blade body 1 in the middle of the concave hole 3, a plurality of fixing holes 11 are arrayed between the mounting hole 10 and the inner convex ring 5, a hole corresponding to the mounting hole 10 and a counter bore corresponding to each fixing hole 11 are formed in the reinforcing wear-resistant plate 9, and bolts and nuts are fixed on the fixing holes 11 and the corresponding counter bores;
through the structure, the saw blade body 1 is supported by the reinforced wear-resistant pieces 9, the peripheries of the reinforced wear-resistant pieces 9 are in a gear shape and are matched with the positioning platforms 4 on the concave holes 3, and the reinforced wear-resistant pieces 9 are matched with the inner convex rings 5, the outer convex rings 6 and the convex ribs 7, so that radial displacement or rotation cannot be generated after the reinforced wear-resistant pieces 9 are matched with the saw blade body 1, and the strength of the saw blade body 1 is ensured; meanwhile, in the cutting process, the reinforced wear-resistant piece 9 mainly rubs against the cutting surface of the automobile crankshaft saw, and the reinforced wear-resistant piece 9 is of a replaceable structure, so that when the reinforced wear-resistant piece 9 is seriously worn, the reinforced wear-resistant piece 9 can be replaced without replacing the whole saw blade; the slope surface of the reinforcing wear-resistant sheet 9 is in a flat frustum shape, so that the service life of the reinforcing wear-resistant sheet 9 is prolonged.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an automobile crankshaft saw cuts and uses circular saw blade, including saw bit body and array in the sawtooth of saw bit body periphery, its characterized in that: two sides of the saw blade body are respectively provided with a concave hole, the periphery of the concave hole is provided with positioning tables arranged in a gear shape, each positioning table is arranged corresponding to the tooth seat position of the saw blade body, the saw blade body at the inner side of the concave hole is provided with an inner convex ring and an outer convex ring, a plurality of convex ribs are arrayed between the inner convex ring and the outer convex ring, the inner convex ring, the outer convex ring and the convex ribs form a plurality of fan-shaped areas in the concave holes, a nitrile rubber sheet layer is arranged in each fan-shaped area, the two sides of the saw blade body are respectively provided with a reinforced wear-resisting sheet, the section of each reinforced wear-resisting sheet is in a flat frustum shape, the inner sides of the two reinforced wear-resisting sheets are provided with grooves corresponding to the inner convex ring, the outer convex ring and the convex ribs, the periphery of each reinforced wear-resisting sheet is also provided with a connecting groove corresponding to each positioning table, the reinforced wear-resistant sheet is matched in the concave hole and clamps the nitrile rubber thin sheet layers between the reinforced wear-resistant sheet and the saw blade body.
2. The circular saw blade for sawing an automobile crankshaft as claimed in claim 1, wherein: each positioning table is positioned in the middle of the inner sides of every two tooth seats of the saw blade body, and the positioning table and the tooth seats keep a distance.
3. The circular saw blade for sawing an automobile crankshaft as claimed in claim 2, wherein: the sections of the inner convex ring and the outer convex ring are triangular, and the vertex angles of the inner convex ring and the outer convex ring are obliquely arranged towards the inner side and the outer side respectively.
4. The circular saw blade for sawing an automobile crankshaft according to claim 3, wherein: the cross section of the convex rib is triangular.
5. The circular saw blade for sawing an automobile crankshaft as claimed in claim 4, wherein: the reinforced wear-resistant sheet is a chromium carbide-based hard alloy sheet.
6. The circular saw blade for sawing an automobile crankshaft as claimed in claim 5, wherein: the saw blade body in the middle of the concave hole is provided with a mounting hole, a plurality of fixing holes are further arrayed between the mounting hole and the inner convex ring, holes corresponding to the mounting holes and counter bores corresponding to the fixing holes are formed in the reinforcing wear-resistant sheet, and bolts and nuts are fixed on the fixing holes and the corresponding counter bores.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020843346.9U CN212311034U (en) | 2020-05-20 | 2020-05-20 | Circular saw blade for sawing automobile crankshaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020843346.9U CN212311034U (en) | 2020-05-20 | 2020-05-20 | Circular saw blade for sawing automobile crankshaft |
Publications (1)
Publication Number | Publication Date |
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CN212311034U true CN212311034U (en) | 2021-01-08 |
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CN202020843346.9U Active CN212311034U (en) | 2020-05-20 | 2020-05-20 | Circular saw blade for sawing automobile crankshaft |
Country Status (1)
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CN (1) | CN212311034U (en) |
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2020
- 2020-05-20 CN CN202020843346.9U patent/CN212311034U/en active Active
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