CN211489815U - Cutter with outer convex circular blades capable of being repeatedly used - Google Patents
Cutter with outer convex circular blades capable of being repeatedly used Download PDFInfo
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- CN211489815U CN211489815U CN201922324272.8U CN201922324272U CN211489815U CN 211489815 U CN211489815 U CN 211489815U CN 201922324272 U CN201922324272 U CN 201922324272U CN 211489815 U CN211489815 U CN 211489815U
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- cutter
- blade
- pad
- hole
- knife
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- Expired - Fee Related
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- 238000005520 cutting process Methods 0.000 claims abstract description 35
- 238000003801 milling Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a cutter that can used repeatedly evagination circle blade, belongs to machining cutter technical field for the evagination circle blade of used repeatedly switch machine tooling. The technical scheme is as follows: the cutter body is cylindrical, a plurality of cutter grooves are uniformly distributed around the cylindrical outer circumference of the cutter body, cutter pad fixing screw holes and blade fixing screw holes are formed in the bottom surface of each cutter groove, each cutter pad is a cuboid, the length and the width of each cutter pad are respectively matched with those of each cutter groove, the upper surface of each cutter pad cuboid is in the shape of a concave arc, the radian of each concave arc is identical to that of an outer convex circular cutting edge of each blade, cutter pad holes and blade holes are formed in the cutter pad cuboids, the cutter pads are fixed into the cutter grooves of the cutter body through cutter pad fixing bolts, the blades are placed on the cutter pads, and the blades are fixed onto the cutter body through the cutter pads through the cutter pad fixing bolts. The utility model discloses a plurality of blades that can make the blade all obtain the use, realize evagination circle blade reuse, reach the thing ability as far as possible, can practice thrift fund, reduction in production cost for the enterprise.
Description
Technical Field
The utility model relates to a can used repeatedly switch machine tooling evagination circle blade's cutter belongs to machining cutter technical field.
Background
In the machining of railway switch industry, the working edge of a switch blade needs to be milled, and the blades adopted in the machining process mainly have two types, namely N18-1 and N134. In the processing process, the arc-shaped cutting edge of the blade is mainly used for cutting, and other cutting edges of the blade cannot be used after the arc profile of the arc-shaped cutting edge is worn, so that great waste is caused. At present, domestic turnout production enterprises such as medium-iron mountain bridges, medium-iron treasure bridges, medium-iron track construction, iron department (Beijing) track equipment technology limited company, new iron De-ao turnout limited company and the like use N134 blades and hard alloy blades with similar shapes in large quantity, the consumption of the similar blades is about 1200 ten thousand yuan each year, the blades are generally scrapped after the arc cutting edges of the N134 blades are used, 4 cutting edges of the blades can be used, and if the blades can be developed and utilized, the quantity of the hard alloy blades can be saved by at least 500 ten thousand yuan each year for the country. Therefore, it is necessary to improve the existing cutter so as to recycle the blade, fully exert the function of the blade, save the capital and reduce the production cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cutter that can used repeatedly evagination circular knife piece is provided, this kind of cutter can make other 4 blades of N134 blade all obtain using, realizes evagination circular knife piece reuse, reaches the thing as far as possible to can practice thrift fund, reduction in production cost for the enterprise.
The technical scheme for solving the technical problems is as follows:
a cutter capable of repeatedly using an outward-convex circular blade comprises a cutter body, a cutter pad and a blade, wherein the cutter body is cylindrical, a plurality of cutter grooves and chip grooves are uniformly distributed around the cylindrical outer circumference of the cutter body, each cutter groove is connected with one chip groove, the bottom surface of each cutter groove is respectively provided with a cutter pad fixing screw hole for fixing the cutter pad and a blade fixing screw hole for fixing the blade, the cutter pad fixing screw hole and the blade fixing screw hole are vertical to the bottom surface of each cutter groove, the cutter pad is cuboid, the length and the width of the cutter pad are respectively matched with the length and the width of each cutter groove, the upper surface of the cuboid cutter pad is concave arc-shaped, the arc degree of the concave arc-shaped is the same as the arc degree of an outward-convex circular cutting edge of the blade, the cuboid of the cutter pad is provided with a cutter pad hole and a blade hole which are vertical to the surface of the cutter pad, and a cutter pad fixing bolt fixes the cutter, the cutter is a cuboid milling cutter with an outer convex cutting edge on one surface, the outer convex cutting edge of the cutter is opposite to the lower concave arc on the upper surface of the cutter pad, a mounting hole is formed in the cutter, and a cutter fixing bolt fixes the cutter to the cutter body through the mounting hole of the cutter, the cutter hole of the cutter pad and the cutter fixing screw hole of the cutter groove.
Above-mentioned cutter that can used repeatedly evagination circle blade, the concave convex top of shim cuboid has forward protruding rectangular, and protruding rectangular below is relative with the up end of blade, and the up end of blade closely laminates with protruding rectangular below.
According to the cutter capable of repeatedly using the convex circular blade, the width of the cutter pad is matched with the width of the blade, the cutter pad holes and the blade holes in the cutter pad are respectively arranged along the vertical bisector line and the lower line of the cutter pad, the mounting holes of the blade are located at the symmetrical center of the blade, and the cutter pad holes of the cutter pad and the mounting holes of the blade are counter bores.
According to the cutter with the outer convex circular blade capable of being repeatedly used, after the blade is fixed by the blade fixing bolt, one side of the blade is tightly attached to one side of the cutter groove, the cutting edges on two sides of the blade are higher than the peripheral surface of a cylinder of the cutter body, the cutting edge on the lower end of the blade is higher than the lower end face of the cylinder of the cutter body, and the cutting edges on two sides of the blade and the cutting edge on the lower end of the blade are respectively milling operation cutting edges.
The utility model has the advantages that:
the utility model discloses place the shim in the sword inslot, the surface of shim is concave convex, and the relative back of the convex circle cutting edge of blade and the concave convex of shim is fixed, and other blades of blade are located the cutter body periphery, can mill the operation, and the blade after making the wearing and tearing of convex circle cutting edge can continue to use, the effect of full play blade.
The utility model discloses simple structure, convenient to use can make the blade obtain abundant utilization, have practiced thrift the resource greatly, for the enterprise has practiced thrift the fund, have reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
FIG. 5 is a front view of a shim;
FIG. 6 is a cross-sectional view B-B of FIG. 5;
fig. 7, 8 and 9 are front, side and top views of the blade.
The figures are labeled as follows: the cutter body 1, the cutter groove 2, the chip groove 3, the cutter pad fixing screw hole 4, the blade fixing screw hole 5, the cutter pad 6, the concave arc 7, the convex strip 8, the cutter pad hole 9, the blade hole 10, the blade 11, the convex circular edge 12, the mounting hole 13, the cutter pad fixing bolt 14 and the blade fixing bolt 15.
Detailed Description
The utility model discloses constitute by cutter body 1, shim 6 and blade 11.
Fig. 1, 2 and 3 show that the cutter body 1 is cylindrical, a plurality of cutter grooves 2 and chip grooves 3 are uniformly distributed around the cylindrical outer circumference of the cutter body 1, each cutter groove 2 is connected with one chip groove 3, a cutter pad fixing screw hole 4 for fixing a cutter pad 6 and a blade fixing screw hole 5 for fixing a blade 11 are respectively formed in the bottom surface of each cutter groove 2, and the cutter pad fixing screw hole 4 and the blade fixing screw hole 5 are perpendicular to the bottom surface of the cutter groove 2.
Fig. 5 and 6 show that the shim 6 is a cuboid, the length and the width of the shim 6 are respectively matched with those of the knife groove 2, and the shim 6 is placed in the knife groove 2 and fixed by bolts.
Fig. 5 and 6 show that the upper surface of the cuboid of the shim 6 is a concave arc 7, the radian of the concave arc 7 is the same as the radian of the convex circular edge 12 of the blade 11, a forward convex strip 8 is arranged above the concave arc 7 of the cuboid of the shim 6, the lower surface of the convex strip 8 is opposite to the upper end surface of the blade 11, and the upper end surface of the blade 11 is tightly attached to the lower surface of the convex strip 8.
Fig. 5 and 6 show that a rectangular solid of the shim 6 is provided with shim holes 9 and blade holes 10 perpendicular to the surface of the shim 6, the shim holes 9 and the blade holes 10 are respectively arranged along the vertical bisector and the lower row of the shim 6, the shim holes 9 are counter bores, the blades 11 are placed on the shim 6, and the upper ends of the shim fixing bolts 14 do not affect the blades 11.
Fig. 7, 8 and 9 show that the insert 11 is a rectangular parallelepiped milling insert having a convex circular cutting edge on one side, and the convex circular cutting edge 12 of the insert 11 is disposed opposite to the concave circular cutting edge 7 on the upper surface of the shim 6. The blade 11 is provided with a mounting hole 13, the mounting hole 13 is located at the symmetrical center of the blade 11, the mounting hole 13 is a counter bore, and after the blade 11 is fixed by the blade fixing bolt 15, the upper end of the blade fixing bolt 15 is embedded in the mounting hole 13, so that the milling operation of the blade 11 is not affected.
Fig. 4 shows that the shim fixing bolt 14 fixes the shim 6 into the pocket 2 of the cutter body 2 through the shim hole 9 of the shim 6 and the shim fixing screw hole 4 of the pocket 2. The insert fixing bolt 15 fixes the insert 11 to the cutter body 1 through the mounting hole 13 of the insert 11, the insert hole 10 of the shim 6 and the insert fixing screw hole 5 of the pocket 2.
Fig. 1 and 4 show that, after the insert 11 is fixed by the insert fixing bolt 15, one side of the insert 11 is closely attached to one side of the pocket 2, the cutting edges at both sides of the insert 11 are higher than the outer peripheral surface of the cylinder of the cutter body 1, the cutting edge at the lower end of the insert 11 is higher than the lower end surface of the cylinder of the cutter body 1, and the cutting edges at both sides and the lower end of the insert 11 are respectively subjected to milling operation.
The utility model discloses a use method as follows:
firstly, the shim 6 is placed in the cutter groove 2 of the cutter body 1, the shim fixing bolt 14 passes through the shim hole 9 of the shim 6 and is screwed into the shim fixing screw hole 4 of the cutter groove 2, and the shim 6 is fixed in the cutter groove 2 of the cutter body 2.
Then, the insert 11 is placed over the shim 6 with the outer convex circular cutting edge 12 of the insert 11 facing the concave circular arc 7 of the upper surface of the shim 6, and the insert 11 is fixed to the cutter body 1 through the mounting hole 13 of the insert 11, the insert hole 10 of the shim 6, and the insert fixing screw hole 15 of the pocket 2 using the insert fixing bolt 15.
After the blade 11 is fixed, one side of the blade 11 is required to be tightly attached to one side of the cutter groove 2, the cutting edges on two sides of the blade 11 are higher than the peripheral surface of the cylinder of the cutter body 1, and the cutting edge on the lower end of the blade 11 is higher than the lower end surface of the cylinder of the cutter body 1, so that the milling operation can be performed by using the cutting edges on two sides and the cutting edge on the lower end of the blade 11.
The utility model discloses an embodiment as follows:
the diameter of the cylindrical shape of the cutter body 1 is 247mm, and the height is 55 mm;
the width of the cutter groove 2 is 12.74mm, the length is 20mm, and the depth is 12 mm;
the width of the chip groove 3 is 12mm, the length is 41.3mm, and the depth is 17.1 mm;
the cutter pad fixing screw hole 4 of the cutter groove 2 is a threaded hole with the diameter of 3mm, and the cutter blade fixing screw hole 5 is a threaded hole with the diameter of 5 mm;
the length of the shim 6 is 20mm, the width is 12.74mm, the height is 12mm, and the width of the protruding strip 8 is 5.12 mm;
the shim hole 9 of the shim 6 is a through hole with the diameter of 3.5mm, and the blade hole 10 is a through hole with the diameter of 6;
the length of the blade 11 is 15.88mm, the width is 12.74mm, the height is 7.94mm, and the mounting hole 13 is a through hole with the diameter of 6;
the shim fixing bolt 14 is a screw with the diameter of 3 mm;
the insert fixing bolt 15 is a screw having a diameter of 5 mm.
Claims (4)
1. A cutter capable of reusing an outer convex circular blade is characterized in that: the cutter comprises a cutter body (1), a knife pad (6) and blades (11), wherein the cutter body (1) is cylindrical, a plurality of knife grooves (2) and a plurality of chip removal grooves (3) are uniformly distributed around the cylindrical outer circumference of the cutter body (1), each knife groove (2) is connected with one chip removal groove (3), the bottom surface of each knife groove (2) is respectively provided with a knife pad fixing screw hole (4) for fixing the knife pad (6) and a blade fixing screw hole (5) for fixing the blade (11), the knife pad fixing screw holes (4) and the blade fixing screw holes (5) are vertical to the bottom surface of the knife grooves (2), the knife pad (6) is cuboid, the length and the width of the knife pad (6) are respectively matched with the length and the width of the knife grooves (2), the upper surface of the cuboid of the knife pad (6) is a concave arc-shaped (7), the radian of the concave arc-shaped groove (7) is the same, the cutter pad (6) is provided with a cutter pad hole (9) and a blade hole (10) which are perpendicular to the surface of the cutter pad (6) on a cuboid, the cutter pad (6) is fixed in the cutter groove (2) of the cutter body (1) through a cutter pad hole (9) of the cutter pad (6) and a cutter pad fixing screw hole (4) of the cutter groove (2) by a cutter pad fixing bolt (14), the blade (11) is a cuboid milling blade with an outer convex circular cutting edge (12) on one surface, the outer convex circular cutting edge (12) of the blade (11) is opposite to a lower concave circular arc (7) on the upper surface of the cutter pad (6), a mounting hole (13) is formed in the blade (11), and the blade (11) is fixed on the cutter body (1) through the mounting hole (13) of the blade (11), the blade hole (10) of the cutter pad (6) and a blade fixing screw hole (5) of the cutter groove (2) by a blade fixing bolt (15).
2. A tool having a re-usable outer circular insert as set forth in claim 1, wherein: the upper side of the concave arc-shaped (7) of the cuboid of the shim (6) is provided with a forward convex strip (8), the lower side of the convex strip (8) is opposite to the upper end face of the blade (11), and the upper end face of the blade (11) is tightly attached to the lower side of the convex strip (8).
3. A tool having a re-usable outer circular insert as set forth in claim 2, wherein: the width of the cutter pad (6) is matched with the width of the blade (11), the cutter pad hole (9) and the blade hole (10) in the cutter pad (6) are respectively arranged up and down along the vertical bisector of the cutter pad (6), the mounting hole (13) of the blade (11) is located at the symmetrical center of the blade (11), and the cutter pad hole (9) of the cutter pad (6) and the mounting hole (13) of the blade (11) are counter bores.
4. A tool having a re-usable outer circular insert as set forth in claim 3, wherein: after the blade (11) is fixed by the blade fixing bolt (15), one side of the blade (11) is tightly attached to one side of the cutter groove (2), the cutting edges on two sides of the blade (11) are higher than the peripheral surface of a cylinder of the cutter body (1), the cutting edge at the lower end of the blade (11) is higher than the lower end face of the cylinder of the cutter body (1), and the cutting edges on two sides of the blade (11) and the cutting edge at the lower end of the blade (11) are respectively milling operation cutting edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324272.8U CN211489815U (en) | 2019-12-21 | 2019-12-21 | Cutter with outer convex circular blades capable of being repeatedly used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324272.8U CN211489815U (en) | 2019-12-21 | 2019-12-21 | Cutter with outer convex circular blades capable of being repeatedly used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211489815U true CN211489815U (en) | 2020-09-15 |
Family
ID=72418170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922324272.8U Expired - Fee Related CN211489815U (en) | 2019-12-21 | 2019-12-21 | Cutter with outer convex circular blades capable of being repeatedly used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211489815U (en) |
-
2019
- 2019-12-21 CN CN201922324272.8U patent/CN211489815U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |