CN219818226U - Shearing blade for machining - Google Patents
Shearing blade for machining Download PDFInfo
- Publication number
- CN219818226U CN219818226U CN202320597988.9U CN202320597988U CN219818226U CN 219818226 U CN219818226 U CN 219818226U CN 202320597988 U CN202320597988 U CN 202320597988U CN 219818226 U CN219818226 U CN 219818226U
- Authority
- CN
- China
- Prior art keywords
- cutter body
- cutter
- edge part
- cutting insert
- positioning groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010008 shearing Methods 0.000 title claims abstract description 23
- 238000003754 machining Methods 0.000 title claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000005096 rolling process Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Accessories And Tools For Shearing Machines (AREA)
Abstract
The utility model discloses a shearing blade for machining, which belongs to the technical field of machining cutters and comprises a cutter body, wherein a cutter edge part is arranged at one end of the cutter body along the length direction, at least one positioning groove is formed in the outer side wall of the cutter body, a wear-resistant coating is arranged on the outer surface of the cutter edge part, a mounting hole is formed in the positioning groove, and a guide piece is arranged at one end of the cutter body which is positioned on the same surface as the cutter edge part. According to the utility model, the mounting contact area of the cutter body and the shearing machine is increased, the assembly stability is improved, the firm connection is ensured, and meanwhile, the arrangement of the guide piece plays a role in limiting and guiding the sheared object, so that the sheared object and the cutter body are always positioned on the same axis in the shearing process.
Description
Technical Field
The utility model belongs to the technical field of machining tools, and particularly relates to a shearing blade for machining.
Background
A shear for shearing moving rolling stock in the transverse direction is called a flying shear. With the development of continuous steel plate rolling mills, section rolling mills and billet rolling mills and the improvement of flying shear productivity, the flying shear is more and more widely applied. The flying shears are mainly used in small and medium-sized steel rolling workshops, are arranged behind the finishing mill group and in front of the entrance of the cooling bed, and shear the rolled piece rolled by the finishing mill into a specified length suitable for the length of the cooling bed during normal rolling. In the shearing process, the blade needs to be subjected to high-strength opposite-impact with the shearing object, but because the shearing object is generally made of high-hardness metal, the blade and the shearing machine are ensured to be firmly connected, if the connection is not firm, the blade is easy to fall off, and the working efficiency is greatly influenced.
Disclosure of Invention
In order to solve the technical problems, the inventor obtains the technical scheme of the utility model through practice and summary, and discloses a shearing blade for machining.
In the scheme of the utility model, the bottom surface of the positioning groove is set to be an inclined surface, the side surface is set to be an arc surface, and the angle between the bottom surface and the cutter body surface is set to be 5-20 degrees. The installation area of contact of the cutter body and the shearing machine is increased, the assembly stability is improved, and firm connection is ensured.
In the scheme of the utility model, the number of the positioning grooves is more than 2, the positioning grooves are arranged on the surface of the cutter body adjacent to the cutter edge part, and the positioning grooves are positioned on the axis of the middle part of the cutter body and are arranged at equal intervals along the direction parallel to the cutter edge part.
In the scheme of the utility model, the shape of the mounting hole is round or square, and the mounting hole extends to the inside of the cutter body along the direction perpendicular to the bottom surface of the positioning groove.
In the scheme of the utility model, the guide piece is arranged in a pentagonal cylinder structure, and the joint of the guide piece and the blade part is in a circular arc shape.
In the scheme of the utility model, the guide piece and the cutter body are integrally constructed.
In the present utility model, the blade portion includes a high-hardness sintered layer and an auxiliary metal layer between the high-hardness sintered layer and the cutter body. The strength of the whole blade is improved, and good toughness is maintained, so that the blade has better impact resistance and prolonged cutting life.
In the solution of the utility model, the wear-resistant coating is a PVD coating, which is deposited on the blade surface by cathodic arc technique. The PVD coating is a process of transferring substances by using a physical process, transferring atoms or molecules from a source to the surface of a substrate to form a film, and certain particles with special properties (high strength, wear resistance, heat dissipation, corrosion resistance and the like) are sprayed on a matrix with lower properties, so that the matrix has better properties, and meanwhile, the cathode arc technology enables the ionization rate of the material to be higher, and the performance of the film to be more excellent.
Compared with the prior art, the utility model has the following beneficial effects:
according to the shearing blade for machining, the guiding piece is arranged to play a limiting and guiding role on the sheared object, so that the sheared object is always located on the same axis with the cutter body in the shearing process, and the machining quality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a side view of the present utility model.
Detailed Description
The principles of the utility model will be further described with reference to the drawings and specific examples.
Example 1
As shown in fig. 1, a shearing blade for machining includes a blade body 1;
the top end of the cutter body 1 is provided with a cutter edge part 11 along the length direction, the outer surface of the cutter edge part 11 is provided with a wear-resistant coating, and the wear-resistant coating adopts a PVD coating, so that the physical process is utilized to realize the transfer of substances, and atoms or molecules are transferred from a source to the surface of a substrate to form a film, thereby effectively increasing the wear resistance and corrosion resistance of the cutter edge and reducing friction; the PVD coating is preferably an AlTiN coating having a thickness of 4 μm and deposited on the outer surface of the blade portion 11 by a cathodic arc technique, thereby enabling a higher ionization rate of the material and a more excellent surface film property.
The outer side wall of the cutter body 1 is provided with at least one positioning groove 2, the bottom surface of the positioning groove 2 is an inclined surface, the side surface of the positioning groove 2 is an arc surface, the angle between the bottom surface of the positioning groove 2 and the surface of the cutter body 1 is 5-20 degrees, preferably 15 degrees, the installation contact area between the cutter body and the shearing machine is increased, the assembly stability is improved to the greatest extent, and firm connection is ensured; the number of the positioning grooves 2 is 3, and the 3 positioning grooves 2 are arranged on the front end face of the cutter body 1, and the 3 positioning grooves 2 are all positioned on the axis of the middle part of the cutter body 1 and are arranged at equal intervals along the direction parallel to the cutting edge part 11; the positioning groove 2 is provided with a mounting hole 21 therein, the mounting hole 21 is in the shape of a circular screw hole, and the mounting hole 21 extends toward the inside of the cutter body 1 in a direction perpendicular to the bottom surface of the positioning groove 2. The shearing machine is provided with a connecting structure which is correspondingly matched with the positioning groove 2 and the mounting hole 21, the front end of the connecting structure is slidably connected with the part matched with the mounting hole 21 on the part matched with the positioning groove 2 at the rear end of the connecting structure, the rear end part is provided with a sliding groove matched with the front end part, the width of the sliding groove is gradually reduced, and the front end part and the rear end part can slide relatively and be fixed. When the fixing device is used, the part of the front end of the connecting structure matched with the mounting hole 21 is screwed into the mounting hole 21, the front end of the connecting structure is fixed at the moment, and then the part of the rear end of the connecting structure matched with the positioning groove 2 is pushed into the positioning groove 2 to finish fixing.
One end of the cutter body 1 which is positioned on the same surface with the cutting edge part 11 is provided with a guide piece 3 which plays a limiting and guiding role on a shearing object, so that the shearing object is always positioned on the same axis with the cutter body in the shearing process; the guide piece 3 is arranged in a pentagonal cylinder structure, and the joint of the guide piece 3 and the cutter body 1, which is an integral structure, and the cutting edge part 1 is arc-shaped, so that the abrasion of the guide piece 3 to a shearing object is reduced.
Example 2
On the basis of the above technical solution, as shown in fig. 2, the blade 11 is set to be in a composite state of the high-hardness sintered layer 111 and the auxiliary metal layer 112, so that the overall strength of the blade is effectively improved, and good toughness is maintained, so that the blade has better impact resistance and prolonged cutting life. In the production, the cemented carbide powder is pressed into a cylindrical auxiliary metal layer 112, and then the cutting edge layer powder mixed with the ion-bonded phase of diamond and boron nitride crystal is sintered on the outer side surface of the auxiliary metal layer 112 to form an ultra-high hardness sintered layer 111, which is sintered under 40000 atm at 1400 ℃.
Claims (8)
1. The utility model provides a shearing blade for machining, includes cutter body (1), its characterized in that: the novel cutter comprises a cutter body (1), wherein a cutter edge part (11) is arranged at one end of the cutter body (1) along the length direction, at least one positioning groove (2) is formed in the outer side wall of the cutter body (1), a wear-resistant coating is arranged on the outer surface of the cutter edge part (11), a mounting hole (21) is formed in the positioning groove (2), and a guide piece (3) is arranged at one end of the cutter body (1) which is positioned on the same side as the cutter edge part (11).
2. A cutting insert for machining according to claim 1, wherein: the bottom surface of the positioning groove (2) is set to be an inclined surface, the side surface is set to be an arc surface, and the angle between the bottom surface and the surface of the cutter body (1) is set to be 5-20 degrees.
3. A cutting insert for machining according to claim 2, wherein: the number of the positioning grooves (2) is greater than 2, the positioning grooves are arranged on the surface of the cutter body (1) adjacent to the cutting edge part (11), and the positioning grooves (2) are positioned on the axis of the middle part of the cutter body (1) and are arranged at equal intervals along the direction parallel to the cutting edge part (11).
4. A cutting insert for machining according to claim 3, wherein: the shape of the mounting hole (21) is round or square, and the mounting hole (21) extends to the inside of the cutter body (1) along the direction perpendicular to the bottom surface of the positioning groove (2).
5. A cutting insert for machining according to claim 1, wherein: the guide piece (3) is in a pentagonal cylinder structure, and the joint of the guide piece and the blade part (11) is in a circular arc shape.
6. A cutting insert for machining according to claim 5, wherein: the guide piece (3) and the cutter body (1) are of an integrated structure.
7. A cutting insert for machining according to claim 1, wherein: the blade part (11) includes a high-hardness sintered layer (111), and an auxiliary metal layer (112) located between the high-hardness sintered layer (111) and the cutter body (1).
8. A cutting insert for machining according to claim 1, wherein: the wear-resistant coating is a PVD coating and is deposited on the surface of the blade (11) by cathodic arc technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320597988.9U CN219818226U (en) | 2023-03-24 | 2023-03-24 | Shearing blade for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320597988.9U CN219818226U (en) | 2023-03-24 | 2023-03-24 | Shearing blade for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219818226U true CN219818226U (en) | 2023-10-13 |
Family
ID=88274350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320597988.9U Active CN219818226U (en) | 2023-03-24 | 2023-03-24 | Shearing blade for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219818226U (en) |
-
2023
- 2023-03-24 CN CN202320597988.9U patent/CN219818226U/en active Active
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