CN220446712U - Three-edge blanking cutter for double-faced plate - Google Patents
Three-edge blanking cutter for double-faced plate Download PDFInfo
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- CN220446712U CN220446712U CN202321787735.4U CN202321787735U CN220446712U CN 220446712 U CN220446712 U CN 220446712U CN 202321787735 U CN202321787735 U CN 202321787735U CN 220446712 U CN220446712 U CN 220446712U
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- 238000005520 cutting process Methods 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000003801 milling Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a three-edge blanking cutter for a double-faced plate, belongs to the field of plate machining cutters, and solves the problem that an existing two-edge milling cutter is difficult to cut and remove chips under high-speed rotation. It includes handle of a knife and tool bit, the tool bit on be equipped with spiral blade and downward spiral blade that makes progress respectively, upward spiral blade one side be equipped with rather than spiral to the same spiral groove that makes progress, correspondingly, downward spiral blade one side be equipped with rather than spiral to the same spiral groove that makes progress, upward spiral blade and downward spiral blade all be provided with threely, downward spiral groove by first arcwall face, first inclined plane and second inclined plane link up in proper order and constitute, upward spiral groove link up by second arcwall face and third inclined plane and constitute. The three-edge blanking cutter provided by the utility model has the advantages that the chip removal effect is effectively improved, the high-speed cutting processing of double-faced plates can be realized, the double-faced plates are prevented from being torn, and the processing efficiency is improved.
Description
Technical Field
The utility model relates to a plate processing cutter, in particular to a three-edge blanking cutter for double-faced plates.
Background
The double-faced board takes a shaving board and a medium density fiberboard as inner layers, and a specially treated surface layer with scratch resistance and acid and alkali resistance is covered on a base material. When the double-faced plate is cut, a special cutter is usually required to be used for processing, for example, the patent number is: CN201821220956.2 is a woodworking high-speed milling cutter with up-down mixing grooves, and CN201821220957.7 is a woodworking milling cutter with up-down mixing cutting edges. The milling cutter with the upper chip grooves and the lower chip grooves is needed for cutting and processing, chip removal during processing is facilitated, and the problem that the surfaces of the double-faced plates are torn is avoided. However, most of the existing milling cutters are cutters with two edges, the cutting effect is poor under high-speed rotation, and only the rotating speed can be reduced, so that the problem of low machining efficiency can be caused; in addition, the chip removal groove of the existing milling cutter is simple in structure, is usually only a spiral arc groove, and has a chip removal effect to be improved under high-speed rotation, so that a new three-edge blanking cutter for double-faced plates needs to be designed.
Disclosure of Invention
The utility model aims to solve the technical problems of the prior art, and provides the three-edge blanking cutter for the double-faced plate, which effectively improves the chip removal effect, can realize high-speed cutting processing of the double-faced plate, prevents the double-faced plate from being torn and improves the processing efficiency.
The technical scheme of the utility model is as follows: a three-edge blanking cutter for double-faced plates comprises a cutter handle and a cutter head, wherein the cutter head is respectively provided with an upward spiral cutting edge and a downward spiral cutting edge, one side of the upward spiral cutting edge is provided with an upward spiral groove which is the same as the spiral direction of the upward spiral cutting edge, the corresponding side of the downward spiral cutting edge is provided with a downward spiral groove which is the same as the spiral direction of the downward spiral cutting edge, the upward spiral cutting edge and the downward spiral cutting edge are all provided with three, the downward spiral groove is formed by sequentially connecting a first arc-shaped surface, a first inclined surface and a second inclined surface, and the upward spiral groove is formed by connecting a second arc-shaped surface and a third inclined surface.
As a further improvement, the first arcuate surface is tangent to the first inclined surface, the first inclined surface is engaged with the uppermost end of the second inclined surface, and the second arcuate surface is tangent to the third inclined surface.
Further, the length of the upward spiral groove extending towards one end of the knife handle is longer than the length of the upward spiral cutting edge extending towards one end of the knife handle; correspondingly, the length of the downward spiral groove extending towards one end of the cutter handle is larger than the length of the downward spiral cutting edge extending towards one end of the cutter handle.
Further, the upward spiral cutting edge comprises a first back angle and a second back angle, the first back angle is connected with the second back angle in a connected mode, the downward spiral cutting edge comprises a third back angle and a fourth back angle, and the third back angle is connected with the fourth back angle in a connected mode.
Further, the cross-sectional width of the first relief angle or the second relief angle is greater than the cross-sectional width of the third relief angle or the fourth relief angle.
Further, the angle of the first relief angle is 5-70 degrees, and the angle of the second relief angle is 5-70 degrees; the angle of the third relief angle is 1-60 degrees, and the angle of the fourth relief angle is 1-60 degrees.
Further, the spiral angle of the upward spiral cutting edge is 2-60 degrees, and the spiral angle of the downward spiral cutting edge is 2-60 degrees.
Further, the diameter of the cutter head is 5 mm-20 mm.
Further, the tool bit is also provided with a plurality of chip breaking grooves which are axially arranged along the tool bit.
Further, the joint between each chip breaker groove and the upward spiral cutting edge as well as the downward spiral cutting edge is provided with a light and fast cutting opening.
Advantageous effects
Compared with the prior art, the utility model has the following advantages:
the three-edge blanking cutter is a three-edge milling cutter, the chip removal groove is formed by two upward spiral grooves and downward spiral grooves with different shapes, the upward spiral grooves are formed by two different surfaces, the downward spiral grooves are formed by three different surfaces, in the machining process, the rotating speed of the three-edge blanking cutter can reach more than twenty thousand revolutions, and scraps generated in the cutting process can be guided by a first inclined surface to impact a first arc-shaped surface at a high speed in the downward spiral grooves so as to be discharged, and part of scraps can enter the first arc-shaped surface under the guidance of a second inclined surface and can be discharged downwards along the spiral direction; in the upward spiral groove, the third inclined plane can guide the scraps to impact the second arc-shaped surface at a high speed and be discharged, and part of the scraps can also directly enter the second arc-shaped surface and be discharged upwards along the spiral direction of the second arc-shaped surface, so that the chip removal effect is effectively improved, the high-speed cutting processing of the double-faced plate can be realized, and the processing efficiency is improved while the double-faced plate is prevented from being torn.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present utility model;
FIG. 2 is an enlarged schematic view of the three-dimensional structure of the cutter head in embodiment 1 of the present utility model;
FIG. 3 is a right-side view of embodiment 1 of the present utility model;
fig. 4 is a schematic front view of a cutter head according to embodiment 2 of the present utility model.
Wherein: 1-knife handle, 2-knife head, 3-upward spiral cutting edge, 4-downward spiral cutting edge, 5-upward spiral groove, 6-downward spiral groove, 7-chip breaker, 8-light and fast cutting mouth, 31-first relief angle, 32-second relief angle, 41-third relief angle, 42-fourth relief angle, 51-second arc surface, 52-third inclined plane, 61-first arc surface, 62-first inclined plane, 63-second inclined plane.
Detailed Description
The utility model will be further described with reference to specific embodiments in the drawings.
Example 1
Referring to fig. 1-3, the three-edge blanking cutter for double-faced plates of the present embodiment includes a cutter handle 1 and a cutter head 2, the cutter head 2 is coincident with the axis of the cutter handle 1, and the cutter head 2 and the cutter handle are connected by an integral forming or welding fixing manner, an upward spiral cutting edge 3 and a downward spiral cutting edge 4 are respectively provided on the cutter head 2, the upward spiral cutting edge 3 and the downward spiral cutting edge 4 are oppositely rotated, so as to realize cutting in the upper and lower directions, an upward spiral groove 5 with the same rotation direction as that of the upward spiral cutting edge 3 is provided on one side of the upward spiral cutting edge 3, and correspondingly, a downward spiral groove 6 with the same rotation direction as that of the downward spiral cutting edge 4 is provided on one side of the downward spiral cutting edge 4, wherein the upward spiral cutting edge 3 and the downward spiral cutting edge 4 are respectively provided with three, the upward spiral groove 5 and the downward spiral groove 6 are respectively formed by sequentially connecting a first arc surface 61, a first inclined surface 62 and a second inclined surface 63, and the upward spiral groove 5 is formed by connecting a second arc surface 51 and a third inclined surface 52.
The three-edge blanking cutter is a three-edge milling cutter, the chip removal groove is formed by two upward spiral grooves and downward spiral grooves with different shapes, the upward spiral grooves are formed by two different surfaces, the downward spiral grooves are formed by three different surfaces, in the machining process, the rotating speed of the three-edge blanking cutter can reach more than twenty thousand revolutions, and scraps generated in the cutting process can be guided by a first inclined surface to impact a first arc-shaped surface at a high speed in the downward spiral grooves so as to be discharged, and part of scraps can enter the first arc-shaped surface under the guidance of a second inclined surface and can be discharged downwards along the spiral direction; in the upward spiral groove, the third inclined plane can guide the scraps to impact the second arc-shaped surface at a high speed and be discharged, and part of the scraps can also directly enter the second arc-shaped surface and be discharged upwards along the spiral direction of the second arc-shaped surface, so that the chip removal effect is effectively improved, the high-speed cutting processing of the double-faced plate can be realized, and the processing efficiency is improved while the double-faced plate is prevented from being torn.
Preferably, the first arc surface 61 is tangent to the first inclined surface 62, the first inclined surface 62 is engaged with the highest end of the second inclined surface 63, and the second arc surface 51 is tangent to the third inclined surface 52, so that the waste scraps can flow and be discharged conveniently.
Preferably, the length of the upward spiral groove 5 extending towards one end of the knife handle 1 is longer than the length of the upward spiral cutting edge 3 extending towards one end of the knife handle 1; correspondingly, the length of the downward spiral groove 6 extending towards one end of the cutter handle 1 is longer than the length of the downward spiral cutting edge 4 extending towards one end of the cutter handle 1, and the waste chips are discharged more conveniently.
Preferably, the upward spiral cutting edge 3 comprises a first back angle 31 and a second back angle 32, wherein the first back angle 31 and the second back angle 32 are connected in a joint way, the downward spiral cutting edge 4 comprises a third back angle 41 and a fourth back angle 42, and the third back angle 41 and the fourth back angle 42 are connected in a joint way, so that multiple cuts can be formed to prevent burrs at a cutting opening. Further, the cross-sectional width of the first relief angle 31 or the second relief angle 32 is larger than the cross-sectional width of the third relief angle 41 or the fourth relief angle 42, which is more conducive to chip removal. Further, the angle of the first relief angle 31 is 5 to 70 degrees, and the angle of the second relief angle 32 is 5 to 70 degrees; the angle of the third back angle 41 is 1-60 degrees, the angle of the fourth back angle 42 is 1-60 degrees, the angles of the two spiral cutting edges are reasonably optimized, the surface finish of the product is improved, and the quality of the product is ensured.
Preferably, the spiral angle of the upward spiral cutting edge 3 is 2-60 degrees, the spiral angle of the downward spiral cutting edge 4 is 2-60 degrees, the spiral angles of the two spiral cutting edges are reasonably optimized, and smooth chip removal is ensured.
Preferably, the diameter of the cutter head 2 is 5 mm-20 mm, preferably, the diameter of the cutter head 2 is 16mm, the diameter of the cutter head 2 is 18mm, and the cutter head 2 has better structural strength and is not easy to break.
Example 2
Referring to fig. 4, in another embodiment of the present utility model, the present embodiment is substantially the same as embodiment 1, except that a plurality of chip breakers 7 are further provided on the cutter head 2 along the axial direction thereof, so that the cutting resistance of the cutter is greatly reduced, and the chips are rapidly broken to be discharged. Further, the joint between each chip breaker groove 7 and the upward spiral cutting edge 3 and the downward spiral cutting edge 4 is provided with a light and fast cutting opening 8, so that the cutting speed is improved, and the chip breaking and discharging are facilitated.
While only the preferred embodiments of the present utility model have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (10)
1. The utility model provides a three sword open material sword for two wainscot panel, includes handle of a knife (1) and tool bit (2), tool bit (2) on be equipped with spiral blade (3) and spiral blade (4) down respectively, spiral blade (3) one side up be equipped with rather than spiral to the same spiral groove (5) that upwards, corresponding, spiral blade (4) one side down be equipped with spiral groove (6) down rather than spiral to the same, a serial communication port, spiral blade (3) up and spiral blade (4) down all be provided with three, spiral groove (6) down by first arcwall face (61), first inclined plane (62) and second inclined plane (63) link up in proper order and constitute, spiral groove (5) up by second arcwall face (51) and third inclined plane (52) link up and constitute.
2. A three-edged blanking cutter for double-faced panels according to claim 1, characterized in that the first curved surface (61) is tangential to a first inclined surface (62), the first inclined surface (62) is engaged with the highest end of a second inclined surface (63), and the second curved surface (51) is tangential to a third inclined surface (52).
3. A three-edge blanking cutter for double-faced boards according to claim 1, characterized in that the length of the upward spiral groove (5) extending towards one end of the cutter handle (1) is longer than the length of the upward spiral cutting edge (3) extending towards one end of the cutter handle (1); correspondingly, the length of the downward spiral groove (6) extending towards one end of the cutter handle (1) is larger than the length of the downward spiral cutting edge (4) extending towards one end of the cutter handle (1).
4. A three-edge blanking cutter for double-faced boards according to claim 1, characterized in that the upward spiral cutting edge (3) comprises a first back angle (31) and a second back angle (32), the first back angle (31) and the second back angle (32) are connected in a joint way, the downward spiral cutting edge (4) comprises a third back angle (41) and a fourth back angle (42), and the third back angle (41) and the fourth back angle (42) are connected in a joint way.
5. A three-edged blanking cutter for double-faced panels according to claim 4, characterized in that the cross-sectional width of the first (31) or second (32) relief angle is larger than the cross-sectional width of the third (41) or fourth (42) relief angle.
6. A three-edged blanking cutter for double-faced panels according to claim 4, characterized in that the angle of the first relief angle (31) is 5-70 ° and the angle of the second relief angle (32) is 5-70 °; the angle of the third back angle (41) is 1-60 degrees, and the angle of the fourth back angle (42) is 1-60 degrees.
7. A three-edge blanking cutter for double-faced boards according to claim 1, characterized in that the helix angle of the upward helix edge (3) is 2-60 ° and the helix angle of the downward helix edge (4) is 2-60 °.
8. A three-edged blanking cutter for double-faced panels according to claim 1, characterized in that the cutter head (2) has a diameter of 5-20 mm.
9. A three-edged blanking cutter for double-faced boards according to any of the claims 1-8, characterized in that the cutter head (2) is further provided with a number of chip breakers (7) arranged in its axial direction.
10. A three-edge blanking cutter for double-faced boards according to claim 9, characterized in that the joint between each chip breaker groove (7) and the upward spiral cutting edge (3) and the downward spiral cutting edge (4) is provided with a light and fast cutting opening (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321787735.4U CN220446712U (en) | 2023-07-07 | 2023-07-07 | Three-edge blanking cutter for double-faced plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321787735.4U CN220446712U (en) | 2023-07-07 | 2023-07-07 | Three-edge blanking cutter for double-faced plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220446712U true CN220446712U (en) | 2024-02-06 |
Family
ID=89736821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321787735.4U Active CN220446712U (en) | 2023-07-07 | 2023-07-07 | Three-edge blanking cutter for double-faced plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220446712U (en) |
-
2023
- 2023-07-07 CN CN202321787735.4U patent/CN220446712U/en active Active
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