CN221018946U - Metal ceramic reamer - Google Patents
Metal ceramic reamer Download PDFInfo
- Publication number
- CN221018946U CN221018946U CN202322592942.0U CN202322592942U CN221018946U CN 221018946 U CN221018946 U CN 221018946U CN 202322592942 U CN202322592942 U CN 202322592942U CN 221018946 U CN221018946 U CN 221018946U
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- blade
- angle
- cutting
- reamer
- core
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- 239000002184 metal Substances 0.000 title abstract description 12
- 239000000919 ceramic Substances 0.000 title abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 117
- 239000011195 cermet Substances 0.000 claims description 13
- 230000003746 surface roughness Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model discloses a metal ceramic reamer, which comprises: a blade core is arranged at one end of the handle, and a blade part is arranged on the outer side of the blade core in a surrounding manner; the blade part comprises a cutting part blade, a cutting part blade and a chip removing part blade which are sequentially arranged, the cutting part blade is arranged at an angle with the axis of the blade core, the cutting part blade is spirally arranged along the axis of the blade core, and the chip removing part blade transitionally extends to the handle part; on one hand, the 6-blade unequal structure is adopted, the thickness blade and the included angle are different, the obstruction of a workpiece is overcome by increasing the strength of part of the blade, the chip pocket is not occupied, the vibration of the cutter is reduced, the cutting amount is reduced by reducing the thickness of part of the blade, burrs are removed, the surface roughness is reduced, and on the other hand, the cutting surface with an angle is obtained through the cutting part, so that the cutter gradually cuts into the workpiece, the feeding amount is reduced, the loss of the blade of the cutting part is reduced, the smaller grinding amount is obtained, the grinding times are increased, and the service life of the reamer is longer.
Description
Technical Field
The utility model belongs to the technical field of metal processing tools, and particularly relates to a metal ceramic reamer.
Background
The reamer is a tool for obtaining a product into a specific shape through reducing machining, is commonly used for various metal machining masters and is widely applied to light and heavy industries.
In the actual production of the reamer, the reamer can be worn continuously and simultaneously accumulate cutting tumors, so that the deformation of the cutting part of the cutter is caused, the machining is influenced, the reamer cannot work continuously, frequent grinding is needed, and the reamer is easy to damage and break. Therefore, the reamer is innovated and improved by the requirements of customers on the service life and the number of times of grinding.
The prior reamer mainly has the following problems:
1. Most of the existing reamers have the problem of service life, and because the reamers are worn and deformed, frequent grinding is needed, so that the working area of the reamers is reduced until the reamers cannot be used.
2. Most of the existing reamers have the problem of machining precision, the reamers are affected by the distribution of materials in the workpiece during cutting, the reaction forces to which the cutting edges are subjected are different, vibration patterns and the like occur, and the precision of machined holes is low.
Disclosure of Invention
The utility model aims to: in order to overcome the defects, the utility model aims to provide a metal ceramic reamer, which adopts a 6-blade unequal structure, has different thickness blades and angles, overcomes the obstruction of a workpiece by increasing the strength of part of blades, does not encroach on chip flutes, reduces vibration of a cutter, reduces cutting capacity by reducing the thickness of part of blades, removes burrs and reduces surface roughness, and on the other hand, obtains an angled cutting surface through a cutting part, so that the cutter gradually cuts into the workpiece, reduces the feeding capacity, reduces the loss of the cutting part blades, and obtains smaller grinding capacity, thereby increasing grinding times and prolonging the service life of the reamer.
The technical scheme is as follows: in order to achieve the above object, the present utility model provides a cermet reamer comprising:
A blade core is arranged at one end of the handle, and a blade part is arranged on the outer side of the blade core in a surrounding manner;
The cutting part comprises a cutting part cutting edge, a cutting part cutting edge and a chip removing part cutting edge, the cutting part cutting edge is arranged at the top end of the blade core in an angle with the axis of the blade core, the cutting part cutting edge is connected with the cutting part cutting edge, the cutting part cutting edge is spirally arranged along the axis of the blade core, the cutting part cutting edge is connected with the chip removing part cutting edge, and the chip removing part cutting edge transitionally extends to the handle.
According to the reamer, the cutting part is used for obtaining the cutting surface with an angle, so that the cutter gradually cuts into a workpiece, the feed amount is reduced, the loss of the cutting edge of the cutting part is reduced, and the smaller grinding amount is obtained, so that the grinding times are increased, and the service life of the reamer is longer.
The cutting part blade comprises a first blade group and a second blade group which are connected end to end, wherein the first blade group comprises a first blade part, a second blade part and a third blade part which are arranged along a blade core annular array, the second blade group has the same structure as the first blade group, the size of the first blade part is smaller than that of the second blade part, and the size of the second blade part is smaller than that of the third blade part.
The first blade group of the present utility model further comprises a first blade clearance angle, a second blade clearance angle and a third blade clearance angle, wherein the first blade clearance angle is arranged between the first blade part and the second blade part, the second blade clearance angle is arranged between the second blade part and the third blade part, the third blade clearance angle is arranged between the third blade part and the first blade part in the second blade group, the first blade clearance angle is smaller than the second blade clearance angle, and the second blade clearance angle is smaller than the third blade clearance angle.
The second blade group in the utility model further comprises a fourth blade angle, a fifth blade angle and a sixth blade angle, wherein the fourth blade angle is arranged opposite to the first blade angle, the fourth blade angle is smaller than the first blade angle, the fifth blade angle is arranged opposite to the second blade angle, the fifth blade angle is the same as the second blade angle, the sixth blade angle is arranged opposite to the third blade angle, and the sixth blade angle is larger than the third blade angle.
According to the utility model, the cutting part blade is arranged, a 6-blade unequal structure is adopted, the thickness blade and the included angle are different, the obstruction of a workpiece is overcome by increasing the strength of part of the blade, the chip pocket is not occupied, the vibration of a cutter is reduced, the cutting amount is reduced by reducing the thickness of part of the blade, burrs are removed, and the surface roughness is reduced.
In the present utility model, the first edge angle is preferably 59 °, the second edge angle is preferably 60 °, the third edge angle is preferably 61 °, the fourth edge angle is preferably 53 °, the fifth edge angle is preferably 60 °, and the sixth edge angle is preferably 67 °.
The cutting edge rake angle described in the present utility model is 2 °.
The cutting part edge rake angle disclosed by the utility model adopts a smaller angle, so that the cutting resistance is reduced, and the processing efficiency is improved.
The cutting part blade in the utility model is polished.
The cutting part blade is arranged, burrs on the surface of the cutter are reduced, and machining precision is improved.
The cutting part blade comprises a cutting edge face, and the cutting edge face forms an included angle of 60-65 degrees with the axis of the blade mandrel.
The arrangement of the cutting part edge is beneficial to reducing the grinding amount and prolonging the grinding times, and prolongs the whole service life of the cutter.
The axial depth of the cutting edge surface along the edge shaft is 0.35mm-0.8mm.
The cutting edge face is provided with a first relief angle surface and a second relief angle surface which are sequentially arranged, the first relief angle surface and the second relief angle surface are arranged in an angle, and an included angle of 11-16 degrees is formed between the first relief angle surface and the cutting edge face.
The rear angle surface is arranged, two rear angle surfaces with angles are adopted, the cutting speed of the rear section is increased, and the feeding speed is increased while the abrasion of a cutter is not increased.
The radial dimension of the blade part far away from the handle part is larger than the radial dimension of the blade part near the handle part, and the blade diameter taper of the blade part is 0.01/100-0.03/100.
According to the utility model, the blade part is arranged, so that the processed hole can shrink when the practical alloy cutter is processed, and the reverse taper structure is adopted, so that the shrinkage of the processed hole can be prevented from affecting the smoothness of the cutter, even the cutter is blocked, the processing efficiency is improved, and the cutter is protected.
The blade part is made of metal ceramic materials.
The blade part is arranged, so that the strength of the cutter is improved, and the abrasion is reduced.
The technical scheme can be seen that the utility model has the following beneficial effects:
1. According to the metal ceramic reamer disclosed by the utility model, the cutting surface with an angle is obtained through the cutting part, so that the cutter gradually cuts into a workpiece, the feed amount is reduced, the loss of the cutting edge of the cutting part is reduced, and the smaller grinding amount is obtained, thereby increasing the grinding times and prolonging the service life of the reamer.
2. According to the metal ceramic reamer, a 6-blade unequal structure is adopted, the thickness cutting edge and the included angle are different, the obstruction of a workpiece is overcome by increasing the strength of part of the cutting edge, chip flutes are not occupied, vibration of a cutter is reduced, the cutting amount is reduced by reducing the thickness of part of the cutting edge, burrs are removed, and the surface roughness is reduced.
3. According to the metal ceramic reamer, the inverted cone structure is adopted, so that the phenomenon that the shrinkage of a machined hole influences the smoothness of a cutter during machining, even the cutter is blocked is avoided, the machining efficiency is improved, and the cutter is protected.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the edge end face of the present utility model;
FIG. 3 is a schematic view of the cutting edge of the present utility model;
FIG. 4 is a schematic view of one of the blade end surfaces of the present utility model;
In the figure: the cutting insert comprises a handle part-1, a blade core-2, a blade part-3, a cutting part blade-31, a first relief surface-311, a second relief surface-312, a cutting part blade-32, a first blade part-321, a second blade part-322, a third blade part-323, a first blade clearance angle-324, a second blade clearance angle-325, a third blade clearance angle-326, a fourth blade angle-327, a fifth blade angle-328, a sixth blade angle-329, and a chip removing part blade-33.
Detailed Description
The utility model is further elucidated below in connection with the drawings and the specific embodiments.
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
Example 1
A cermet reamer as shown in fig. 1-4 comprising:
a shank 1, one end of which is provided with a blade core 2, and the outer side of the blade core 2 is provided with a blade part 3 in a surrounding manner;
The blade 3 comprises a cutting part blade 31, a cutting part blade 32 and a chip removing part blade 33, the cutting part blade 31 is arranged at the top end of the blade core 2, the cutting part blade 31 is arranged at an angle with the axis of the blade core 2, the cutting part blade 31 is connected with the cutting part blade 32, the cutting part blade 32 is spirally arranged along the axis of the blade core 2, the cutting part blade 32 is connected with the chip removing part blade 33, and the chip removing part blade 33 transitionally extends to the handle 1.
The cutting part blade 32 in this embodiment includes a first blade group and a second blade group connected end to end, the first blade group includes a first blade 321, a second blade 322 and a third blade 323 arranged in an annular array along the blade core 2, the second blade group has the same structure as the first blade group, the size of the first blade 321 is smaller than the size of the second blade 322, and the size of the second blade 322 is smaller than the size of the third blade 323.
The first blade set in this embodiment further includes a first blade clearance angle 324, a second blade clearance angle 325, and a third blade clearance angle 326, wherein the first blade clearance angle 324 is disposed between the first blade section 321 and the second blade section 322, the second blade clearance angle 325 is disposed between the second blade section 322 and the third blade section 323, the third blade clearance angle 326 is disposed between the third blade section 323 and the first blade section 321 in the second blade set, the first blade clearance angle 324 is smaller than the second blade clearance angle 325, and the second blade clearance angle 325 is smaller than the third blade clearance angle 326.
The second blade group in this embodiment further includes a fourth blade angle 327, a fifth blade angle 328, and a sixth blade angle 329, where the fourth blade angle 327 is opposite to the first blade angle 324, the fourth blade angle 327 is smaller than the first blade angle 324, the fifth blade angle 328 is opposite to the second blade angle 325, the fifth blade angle 328 is the same as the second blade angle 325, the sixth blade angle 329 is opposite to the third blade angle 326, and the sixth blade angle 329 is larger than the third blade angle 326.
The rake angle of the cutting edge 32 described in this embodiment is 2 °.
The cutting portion blade 32 described in the present embodiment is subjected to polishing treatment.
The cutting edge in this embodiment comprises a cutting edge face which makes an angle of 60 ° -65 ° with the axis of the core 2.
The cutting edge surface described in this embodiment has an axial depth of 0.35mm to 0.8mm along the edge core 2.
In this embodiment, a first relief surface 311 and a second relief surface 312 are disposed on one side of the cutting edge surface, the first relief surface 311 and the second relief surface 312 are disposed at an angle, and an included angle of 11 ° -16 ° is formed between the first relief surface 311 and the cutting edge surface.
The radial dimension of the end, away from the handle 1, of the blade part 3 is larger than the radial dimension of the end, close to the handle 1, of the blade part 3, and the blade diameter reverse taper of the blade part 3 is 0.01/100-0.03/100.
Example 2
A cermet reamer as shown in fig. 1 comprising:
a shank 1, one end of which is provided with a blade core 2, and the outer side of the blade core 2 is provided with a blade part 3 in a surrounding manner;
The blade 3 comprises a cutting part blade 31, a cutting part blade 32 and a chip removing part blade 33, the cutting part blade 31 is arranged at the top end of the blade core 2, the cutting part blade 31 is arranged at an angle with the axis of the blade core 2, the cutting part blade 31 is connected with the cutting part blade 32, the cutting part blade 32 is spirally arranged along the axis of the blade core 2, the cutting part blade 32 is connected with the chip removing part blade 33, and the chip removing part blade 33 transitionally extends to the handle 1.
The blade part is made of metal ceramic materials.
Example 3
A cermet reamer as shown in fig. 1 and 4 comprising:
a shank 1, one end of which is provided with a blade core 2, and the outer side of the blade core 2 is provided with a blade part 3 in a surrounding manner;
The blade 3 comprises a cutting part blade 31, a cutting part blade 32 and a chip removing part blade 33, the cutting part blade 31 is arranged at the top end of the blade core 2, the cutting part blade 31 is arranged at an angle with the axis of the blade core 2, the cutting part blade 31 is connected with the cutting part blade 32, the cutting part blade 32 is spirally arranged along the axis of the blade core 2, the cutting part blade 32 is connected with the chip removing part blade 33, and the chip removing part blade 33 transitionally extends to the handle 1.
The cutting part blade 32 in this embodiment includes a first blade group and a second blade group connected end to end, the first blade group includes a first blade 321, a second blade 322 and a third blade 323 arranged in an annular array along the blade core 2, the second blade group has the same structure as the first blade group, the size of the first blade 321 is smaller than the size of the second blade 322, and the size of the second blade 322 is smaller than the size of the third blade 323.
The first blade set in this embodiment further includes a first blade clearance angle 324, a second blade clearance angle 325, and a third blade clearance angle 326, wherein the first blade clearance angle 324 is disposed between the first blade section 321 and the second blade section 322, the second blade clearance angle 325 is disposed between the second blade section 322 and the third blade section 323, the third blade clearance angle 326 is disposed between the third blade section 323 and the first blade section 321 in the second blade set, the first blade clearance angle 324 is smaller than the second blade clearance angle 325, and the second blade clearance angle 325 is smaller than the third blade clearance angle 326.
The second blade group in this embodiment further includes a fourth blade angle 327, a fifth blade angle 328, and a sixth blade angle 329, where the fourth blade angle 327 is opposite to the first blade angle 324, the fourth blade angle 327 is smaller than the first blade angle 324, the fifth blade angle 328 is opposite to the second blade angle 325, the fifth blade angle 328 is the same as the second blade angle 325, the sixth blade angle 329 is opposite to the third blade angle 326, and the sixth blade angle 329 is larger than the third blade angle 326.
The rake angle of the cutting edge 32 described in this embodiment is 2 °.
In the present utility model, the first edge angle is preferably 59 °, the second edge angle is preferably 60 °, the third edge angle is preferably 61 °, the fourth edge angle is preferably 53 °, the fifth edge angle is preferably 60 °, and the sixth edge angle is preferably 67 °.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.
Claims (9)
1. A cermet reamer characterized by: comprising the following steps:
A handle (1) with one end provided with a blade core (2), and a blade part (3) is arranged outside the blade core (2) in a surrounding way;
The cutting part (3) comprises a cutting part blade (31), a cutting part blade (32) and a chip removing part blade (33), the cutting part blade (31) is arranged at the top end of the blade core (2) in an angle with the axis of the blade core (2), the cutting part blade (31) is connected with the cutting part blade (32), the cutting part blade (32) is spirally arranged along the axis of the blade core (2), the cutting part blade (32) is connected with the chip removing part blade (33), and the chip removing part blade (33) transitionally extends to the handle part (1); the cutting part blade (32) comprises a first blade group and a second blade group which are connected end to end, the first blade group comprises a first blade part (321), a second blade part (322) and a third blade part (323) which are arranged in an annular array along the blade core (2), the second blade group is identical to the first blade group in structure, the first blade part (321) is smaller than the second blade part (322) in size, and the second blade part (322) is smaller than the third blade part (323) in size.
2. The cermet reamer of claim 1, wherein: the first blade group also comprises a first blade interval angle (324), a second blade interval angle (325) and a third blade interval angle (326), wherein the first blade interval angle (324) is arranged between the first blade section (321) and the second blade section (322), the second blade interval angle (325) is arranged between the second blade section (322) and the third blade section (323), the third blade interval angle (326) is arranged between the third blade section (323) and the first blade section (321) in the second blade group, the first blade interval angle (324) is smaller than the second blade interval angle (325), and the second blade interval angle (325) is smaller than the third blade interval angle (326).
3. The cermet reamer of claim 2, wherein: the second blade group also comprises a fourth blade angle (327), a fifth blade angle (328) and a sixth blade angle (329), wherein the fourth blade angle (327) is arranged opposite to the first blade angle (324), the fourth blade angle (327) is smaller than the first blade angle (324), the fifth blade angle (328) is arranged opposite to the second blade angle (325), the fifth blade angle (328) is the same as the second blade angle (325), the sixth blade angle (329) is arranged opposite to the third blade angle (326), and the sixth blade angle (329) is larger than the third blade angle (326).
4. The cermet reamer of claim 1, wherein: the cutting part edge (32) has a rake angle of 2 degrees.
5. The cermet reamer of claim 1, wherein: the cutting part blade (32) is polished.
6. The cermet reamer of claim 1, wherein: the cutting edge (31) comprises a cutting edge face which forms an included angle of 60-65 degrees with the axis of the edge core (2).
7. The cermet reamer of claim 6, wherein: the axial depth of the cutting part edge (31) along the edge core (2) is 0.35mm-0.8mm.
8. The cermet reamer of claim 7, wherein: the cutting edge face is characterized in that a first rear corner face (311) and a second rear corner face (312) which are sequentially arranged are arranged on one side of the cutting edge face, the first rear corner face (311) and the second rear corner face (312) are arranged in an angle mode, and an included angle of 11-16 degrees is formed between the first rear corner face (311) and the cutting edge face.
9. The cermet reamer of claim 1, wherein: the radial dimension of one end of the blade part (3) far away from the handle part (1) is larger than the radial dimension of one end of the blade part (3) close to the handle part (1), and the blade diameter reverse taper of the blade part (3) is 0.01/100-0.03/100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322592942.0U CN221018946U (en) | 2023-09-25 | 2023-09-25 | Metal ceramic reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322592942.0U CN221018946U (en) | 2023-09-25 | 2023-09-25 | Metal ceramic reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221018946U true CN221018946U (en) | 2024-05-28 |
Family
ID=91131225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322592942.0U Active CN221018946U (en) | 2023-09-25 | 2023-09-25 | Metal ceramic reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221018946U (en) |
-
2023
- 2023-09-25 CN CN202322592942.0U patent/CN221018946U/en active Active
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