CN212217194U - Insert for a hole machining tool - Google Patents
Insert for a hole machining tool Download PDFInfo
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- CN212217194U CN212217194U CN202020147284.8U CN202020147284U CN212217194U CN 212217194 U CN212217194 U CN 212217194U CN 202020147284 U CN202020147284 U CN 202020147284U CN 212217194 U CN212217194 U CN 212217194U
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Abstract
The utility model discloses a blade for a hole machining tool, which is provided with an installation part and a cutting part, wherein the installation part and the cutting part are of an integrated structure; the cutting part is provided with a cutting edge, the cutting edge comprises a main cutting edge, an auxiliary cutting edge and a tool nose, and the main cutting edge, the auxiliary cutting edge and the tool nose are connected into a whole; the mounting part is arranged on the back surface of the cutting part; each mounting side surface of the mounting portion is perpendicular to the cutting portion back surface of the cutting portion. The blade is provided with two groups of cutting edges and is an indexable blade. The utility model discloses be provided with the knife tip, after the blade was installed on the drilling rod, the knife tip of blade became the drill point of drill bit, had the centering effect, was particularly useful for the drill bit of BTA. When the cutting part of one surface of the indexable insert is worn, the indexable insert is rotated by 180 degrees through the insert, and the cutting part of the other surface is installed in the drill rod, so that the drilling processing through the cutting part of the other surface is realized, and the cost of the insert is saved.
Description
Technical Field
The utility model relates to a cutting tool's technical field, concretely relates to blade for spot facing cutter.
Background
In the hole machining process, the conventional inner hole cutting tool made of common high-speed steel and having an integral structural formula has low cutting efficiency and short service life. Once the blade is damaged, the actual drill bit needs to be replaced, resulting in significant material waste.
The cutting blade is detachably fastened on the cutter bar, the cutter bar can be reused, the connection mechanism of the cutter bar is various, most of the connection mechanisms are that a screw counter sink hole is designed in the center of the end face of the cutting blade, and the cutting blade is locked and fixed on the cutter bar from the end face through a screw.
However, only one end of the conventional replaceable blade is provided with a cutting surface, and the connecting and fixing part of the blade and the cutter bar is provided with a corresponding structure such as a groove and a bulge, so that the blade and the cutter bar are conveniently and fixedly connected. When the cutting portion of such a replaceable insert is damaged, the entire insert needs to be replaced, which results in waste of material and increased machining costs.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the blade is provided with a drill point with centering function and two cutting edges, and the cutting edge of the blade is replaced by changing the position of the blade, so that the cost for replacing the whole blade is saved.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
a blade for a hole machining tool is provided with a mounting portion and a cutting portion, wherein the mounting portion and the cutting portion are of an integrated structure;
the cutting part is provided with a cutting edge, the cutting edge comprises a main cutting edge, an auxiliary cutting edge and a tool nose, and the main cutting edge, the auxiliary cutting edge and the tool nose are connected into a whole;
the mounting part is arranged on the back surface of the cutting part; each mounting side surface of the mounting portion is perpendicular to the cutting portion back surface of the cutting portion.
And on a cutting plane passing through any point on the auxiliary cutting edge, the projection of the auxiliary cutting edge on the cutting plane and the projection of the auxiliary cutting edge on the cutting plane are partially or completely in central symmetry of 180 degrees by taking the center line of the tool tip as the center.
The cutting part is provided with two groups of cutting edges, the first group of cutting edges comprises a first main cutting edge, a first auxiliary cutting edge and a first tool nose, and the first main cutting edge, the first auxiliary cutting edge and the first tool nose are connected into a whole; the second group of cutting edges comprise a second main cutting edge, a second auxiliary cutting edge, a second tool nose, and the second main cutting edge, the second auxiliary cutting edge and the second tool nose are connected into a whole;
the two groups of cutting edges are centrosymmetric by 180 degrees around the center of the mounting part;
the insert is an indexable insert.
The first tool nose is formed by the approach or intersection of a first secondary cutting edge and a first auxiliary cutting edge;
the second tool nose is formed by the approach or intersection of a second auxiliary cutting edge and a second auxiliary cutting edge;
the center point of the first cutter point is provided with a first cutter point center line, the center point of the second cutter point is provided with a second cutter point center line, and the first cutter point center line is parallel to the second cutter point center line;
after the indexable insert is arranged on a drill rod, when a first main cutting edge, a first auxiliary cutting edge and a first tool tip participate in cutting, the center line of the first tool tip is superposed with the center line of the drill rod; when the second main cutting edge, the second auxiliary cutting edge and the second tool tip participate in cutting work, the center line of the second tool tip is coincided with the center line of the drill rod.
The cutting part is provided with a first cutting part side face, a second cutting part side face and a cutting part back face, and the first cutting part side face are centrosymmetric by 180 degrees around the center of the mounting part; each mounting side surface of the mounting portion is perpendicular to the cutting portion back surface of the cutting portion.
The installation department is equipped with first installation department side, second installation department side, third installation department side and fourth installation department side, fifth installation department side, sixth installation department side, the first installation department side of installation department, fourth installation department side are 180 central symmetry with the center of installation department, and second installation department side and fifth installation department side are 180 central symmetry with the center of installation department, and third installation department side and sixth installation department side are 180 central symmetry with the center of installation department.
On a cutting plane of any point on the first auxiliary cutting edge, the projection of the first auxiliary cutting edge on the cutting plane and the projection of the first auxiliary cutting edge on the cutting plane are partially or completely in central symmetry of 180 degrees by taking a first tool tip central line (6a) as the center;
on the cutting plane of any point on the second auxiliary cutting edge, the projection of the second auxiliary cutting edge on the cutting plane and the projection of the second auxiliary cutting edge on the cutting plane are partially or completely in 180-degree central symmetry by taking the second nose central line as the center.
The cutting part is also provided with a first cutting part back surface and a second cutting part back surface;
the first cutting part is followed by a first main cutting edge and a first auxiliary cutting edge; the back of the second cutting part is the back of the second main cutting edge and the second auxiliary cutting edge;
a section is arranged at any point on the first main cutting edge and the first auxiliary cutting edge or the second main cutting edge and the second auxiliary cutting edge of the cutting part, and the section is parallel to the central line of the drill rod and is vertical to the back surface of the cutting part and the back surface of the mounting part; the section intersects with the rear surface of the first cutting part of the first main cutting edge to form a first intersection line, the section intersects with the rear surface of the mounting part to form an intersection line, and the angle of a first included angle formed by the intersection of the first intersection line and the intersection line is larger than 90 degrees;
the section intersects with the rear surface of the second main cutting edge to form a second intersection line, the section intersects with the rear surface of the mounting portion to form an intersection line, and a second included angle formed by the intersection of the second intersection line and the intersection line is larger than 90 degrees.
The projection of the side surface of the second mounting part of the mounting part on the back surface of the cutting part is lower than the intersection line of the back surface of the first cutting part and the back surface of the cutting part;
the projection of the fifth mounting part side of the mounting part on the cutting part back is lower than the intersection line of the second cutting part back and the cutting part back.
The indexable blade is provided with a screw mounting hole which is positioned at the rotation center of the mounting part and is vertical to the mounting part.
The utility model has the advantages that:
first, the utility model discloses a blade for spot facing cutter is provided with the knife tip, and after the blade was installed on the drilling rod, the knife tip of blade became the drill point of drill bit, had the centering effect, was particularly useful for deep hole machining's drill bit.
Second, the utility model discloses an indexable insert for spot facing cutter, indexable insert are equipped with two cutting parts of 180 degrees centrosymmetries, and after the cutting part wearing and tearing of one side wherein, carry out 180 degrees transposition through the blade, install the cutting part of another side to the drilling rod in, realize carrying out drilling processing through another side cutting part, practice thrift the blade cost.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
Fig. 1 is a schematic perspective view of a blade for a hole machining tool according to embodiment 1 of the present invention;
fig. 2 is a schematic perspective view of a blade for a hole machining tool according to embodiment 2 of the present invention;
fig. 3 is a rear view of an insert for a hole machining tool according to embodiment 2 of the present invention;
fig. 4 is a front view of an insert for a hole-machining tool according to embodiment 2 of the present invention;
fig. 5 is a cross-sectional view of an insert for a hole-machining tool according to embodiment 2 of the present invention;
fig. 6 is a rear view of an insert for a hole machining tool according to embodiment 2 of the present invention;
fig. 7 is a schematic view of a square structure of a mounting portion of a blade for a hole machining tool according to embodiment 2 of the present invention;
fig. 8 is a schematic view of a circular structure of a mounting portion of a blade for a hole machining tool according to embodiment 2 of the present invention;
fig. 9 is an elliptical structural view of a mounting portion of a blade for a hole machining tool according to embodiment 2 of the present invention;
fig. 10 is a schematic structural view of a bit blade with a ligament blade for a hole machining tool according to embodiment 2 of the present invention.
Detailed Description
Embodiment 1, the insert for a hole machining tool provided in this embodiment, the insert 1 is provided with a mounting portion 2 and a cutting portion 3, and the mounting portion 2 and the cutting portion 3 are an integral structure;
the cutting part 3 is provided with a cutting edge, the cutting edge comprises a main cutting edge 35, an auxiliary cutting edge 36, an auxiliary cutting edge 34 and a tool nose 1a, and the main cutting edge 35, the auxiliary cutting edge 36, the auxiliary cutting edge 34 and the tool nose 1a are connected into a whole;
the mounting portion 2 is provided on the cutting portion back surface 37 of the cutting portion 3; each mounting side surface of the mounting portion 2 is perpendicular to the cutting portion back surface 37 of the cutting portion 3.
On a cutting plane passing through any point on the auxiliary cutting edge 34, the projection of the auxiliary cutting edge 34 on the cutting plane and the projection of the auxiliary cutting edge 36 on the cutting plane are partially or completely in central symmetry of 180 degrees by taking the edge center line 6a of the edge 1a as the center.
The tool point is arranged, and when the blade is arranged on the drill rod, the tool point of the blade becomes the drill point of the drill bit, has a centering effect, and is particularly suitable for the drill bit for deep hole processing.
the mounting part 2 is provided with a first mounting part side surface 21a, a second mounting part side surface 22a, a third mounting part side surface 23a, a fourth mounting part side surface 21b, a fifth mounting part side surface 22b and a sixth mounting part side surface 23b, wherein the first mounting part side surface 21a and the fourth mounting part side surface 21b of the mounting part 2 are in 180-degree central symmetry with the center of the mounting part 2, the second mounting part side surface 22a and the fifth mounting part side surface 22b are in 180-degree central symmetry with the center of the mounting part 2, and the third mounting part side surface 23a and the sixth mounting part side surface 23b are in 180-degree central symmetry with the center of the mounting part 2;
the cutting part 3 is provided with two groups of cutting edges, the first group of cutting edges comprises a first main cutting edge 35a, a first auxiliary cutting edge 36a, a first auxiliary cutting edge 34a and a first tool nose 1a, and the first main cutting edge 35a, the first auxiliary cutting edge 36a, the first auxiliary cutting edge 34a and the first tool nose 1a are connected into a whole; the second group of cutting edges comprises a second main cutting edge 35b, a second auxiliary cutting edge 36b, a second auxiliary cutting edge 34b and a second knife edge 1b, and the second main cutting edge 35b, the second auxiliary cutting edge 36b, the second auxiliary cutting edge 34b and the second knife edge 1b are integrally connected; the two groups of cutting edges are in 180-degree central symmetry with the center of the mounting part 2;
the cutting part 3 is provided with a first cutting part side surface 38a, a second cutting part side surface 38b and a cutting part back surface 37, and the first cutting part side surface 38a and the first cutting part side surface 38b are in 180-degree central symmetry with the center of the mounting part 2;
the mounting portion 2 is provided on the cutting portion back surface 37 of the cutting portion 3; each mounting side surface of the mounting portion 2 is perpendicular to the cutting portion back surface 37 of the cutting portion 3.
The first nose 1a is formed by the approaching or intersecting of a first minor cutting edge 36a and a first auxiliary cutting edge 34 a;
the second tip 1b is formed by the second minor cutting edge 36b and the second auxiliary cutting edge 34b approaching or intersecting;
a first cutter point central line 6a is arranged at the midpoint of the first cutter point 1a, a second cutter point central line 6a is arranged at the midpoint of the second cutter point 1b, and the first cutter point central line 6a is parallel to the second cutter point central line 6 a;
after the indexable insert 1 is installed on a drill rod, when a first main cutting edge 35a, a first minor cutting edge 36a, a first auxiliary cutting edge 34a and a first tool nose 1a participate in cutting work, a first tool nose central line 6a is coincident with a drill rod central line; when the second main cutting edge 35b, the second sub cutting edge 36b, the second auxiliary cutting edge 34b and the second nose 1b participate in the cutting work, the second nose center line 6a and the drill rod center line coincide.
On a cutting plane of any point on the first auxiliary cutting edge 34a, the projection of the first auxiliary cutting edge 34a on the cutting plane and part or all of the projection of the first auxiliary cutting edge 36a on the cutting plane are in 180-degree central symmetry centered on the first nose center line 6 a;
on the cutting plane of any point on the second auxiliary cutting edge 34b, the projection of the second auxiliary cutting edge 34b on the cutting plane and the projection of the second auxiliary cutting edge 36b on the cutting plane are partially or completely in central symmetry of 180 ° with the second nose center line 6b as the center.
The first mounting portion side surface 21a and the fourth mounting portion side surface 21b of the mounting portion 2 are parallel to or flush with the first cutting portion side surface 38a and the second cutting portion side surface 38b of the cutting portion 3, respectively.
The cutting part 3 is also provided with a first cutting part rear face 32a and a second cutting part rear face 32 b; the first cutting portion relief surface 32a is a relief surface of the first major cutting edge 35a and the first minor cutting edge 36 a; the second cutting portion relief surface 32b is a relief surface of the second major cutting edge 35b and the second minor cutting edge 36 b;
providing a cross-section 6 at any point on the first major cutting edge 35a, the first minor cutting edge 36a, or the second major cutting edge 35b, or the second minor cutting edge 36b of the cutting portion 3, the cross-section 6 being parallel to the drill rod centerline and perpendicular to the cutting portion back surface 37 and the back surface 26 of the mounting portion 2; the intersection of the cross-section 6 with the first cutting portion relief surface 32a of the first major cutting edge 35a forms a first intersection line 41a, the intersection of the cross-section 6 with the mounting portion relief surface 37 forms an intersection line 27, and the intersection of the first intersection line 41a with the intersection line 27 forms a first included angle a1 greater than 90 °;
the section 6 intersects the rear face 32b of the second major cutting edge 35b to form a second intersection line 41b, the section 6 intersects the mounting portion rear face 37 to form an intersection line 27, and the second intersection line 41b intersects the intersection line 27 to form a second included angle a2 having an angle greater than 90 °.
The projection 42a of the second mounting portion side 22a of the mounting portion 2 on the cutting portion rear face 37 is lower than the intersection line 43a of the first cutting portion rear face 32a and the cutting portion rear face 37;
the projection 42b of the fifth mounting portion side 22b of the mounting portion 2 on the cutting portion rear face 37 is lower than the intersection line 43b of the second cutting portion rear face 32b and the cutting portion rear face 37.
The indexable insert is provided with a screw mounting hole 4, and the screw mounting hole 4 is located at the rotation center of the mounting part 2 and is perpendicular to the mounting part 2.
Referring to fig. 7-9, the mounting portion 2 is square, circular or oval.
The mounting portion 2 may also be a parallelogram or a prism.
Referring to fig. 10, the first mounting portion side 21a of the cutting portion 3 is provided with a first ligament 5a, and the fourth mounting portion side 21b is provided with a second ligament 5 b. The first ligament 5a and the second ligament 5b serve as a guide.
First and second chip breakers 39a and 39b are provided in front of the first and second major cutting edges 35a and 35 b.
The utility model discloses a but, but transposition blade for spot facing cutter, but transposition blade are equipped with two cutting portions of 180 degrees centrosymmetries, and after the cutting portion wearing and tearing of one side wherein, carry out 180 degrees transposition through the blade, install the cutting portion of another side to the drilling rod in, realize carrying out drilling processing through another side cutting portion, practice thrift the blade cost.
The utility model discloses be provided with the knife tip, after but the transposition blade is installed on the drilling rod, the knife tip of transposition blade becomes the drill point of drill bit, has centering effect, is particularly useful for the transposition drill bit of BTA.
The utility model discloses be not limited to above-mentioned embodiment, adopt with the utility model discloses the same or approximate structure of above-mentioned embodiment, and the other indexable insert that is used for the spot facing work cutter that obtains is all within the protection scope of the utility model.
Claims (10)
1. An insert for a hole machining tool, characterized by: the blade (1) is provided with an installation part (2) and a cutting part (3), and the installation part (2) and the cutting part (3) are of an integrated structure;
the cutting part (3) is provided with a cutting edge, the cutting edge comprises a main cutting edge (35), an auxiliary cutting edge (36), an auxiliary cutting edge (34) and a tool nose (1a), and the main cutting edge (35), the auxiliary cutting edge (36), the auxiliary cutting edge (34) and the tool nose (1a) are connected into a whole;
the mounting part (2) is arranged on the cutting part back surface (37) of the cutting part (3); each mounting side surface of the mounting portion (2) is perpendicular to the cutting portion back surface (37) of the cutting portion (3).
2. The insert for a hole machining tool of claim 1, wherein: and on a cutting plane passing through any point on the auxiliary cutting edge (34), the projection of the auxiliary cutting edge (34) on the cutting plane and the projection of the auxiliary cutting edge (36) on the cutting plane are partially or completely in central symmetry of 180 degrees by taking the knife edge central line (6a) of the knife edge (1a) as the center.
3. The insert for a hole machining tool of claim 1, wherein: the cutting part (3) is provided with two groups of cutting edges, the first group of cutting edges comprises a first main cutting edge (35a), a first auxiliary cutting edge (36a), a first auxiliary cutting edge (34a) and a first tool nose (1a), and the first main cutting edge (35a), the first auxiliary cutting edge (36a), the first auxiliary cutting edge (34a) and the first tool nose (1a) are connected into a whole; the second group of cutting edges comprise a second main cutting edge (35b), a second auxiliary cutting edge (36b), a second auxiliary cutting edge (34b) and a second knife edge (1b), and the second main cutting edge (35b), the second auxiliary cutting edge (36b), the second auxiliary cutting edge (34b) and the second knife edge (1b) are connected into a whole;
the two groups of cutting edges are centrosymmetric by 180 degrees around the center of the mounting part (2);
the insert is an indexable insert.
4. The insert for a hole machining tool of claim 3, wherein: the first nose (1a) is formed by a first minor cutting edge (36a) and a first auxiliary cutting edge (34a) approaching or intersecting;
the second tip (1b) is formed by a second auxiliary cutting edge (36b) and a second auxiliary cutting edge (34b) which are close to or intersect;
a first cutter point central line (6a) is arranged at the midpoint of the first cutter point (1a), a second cutter point central line (6b) is arranged at the midpoint of the second cutter point (1b), and the first cutter point central line (6a) is parallel to the second cutter point central line (6 b);
after the indexable insert (1) is installed on a drill rod, when a first main cutting edge (35a), a first auxiliary cutting edge (36a), a first auxiliary cutting edge (34a) and a first tool nose (1a) participate in cutting work, a center line (6a) of the first tool nose is coincident with a center line of the drill rod; when the second main cutting edge (35b), the second auxiliary cutting edge (36b), the second auxiliary cutting edge (34b) and the second knife point (1b) participate in cutting work, the second knife point center line (6a) is superposed with the drill rod center line.
5. The insert for a hole machining tool of claim 3, wherein: the cutting part (3) is provided with a first cutting part side surface (38a), a second cutting part side surface (38b) and a cutting part back surface (37), and the first cutting part side surface (38a) and the first cutting part side surface (38b) are centrosymmetric by 180 degrees around the center of the mounting part (2); each mounting side surface of the mounting portion (2) is perpendicular to the cutting portion back surface (37) of the cutting portion (3).
6. The insert for a hole machining tool of claim 3, wherein: the installation part (2) is provided with a first installation part side surface (21a), a second installation part side surface (22a), a third installation part side surface (23a) and a fourth installation part side surface (21b), a fifth installation part side surface (22b) and a sixth installation part side surface (23b), wherein the first installation part side surface (21a) and the fourth installation part side surface (21b) of the installation part (2) are 180-degree central symmetry with the center of the installation part (2), the second installation part side surface (22a) and the fifth installation part side surface (22b) are 180-degree central symmetry with the center of the installation part (2), and the third installation part side surface (23a) and the sixth installation part side surface (23b) are 180-degree central symmetry with the center of the installation part (2).
7. The insert for a hole machining tool of claim 3, wherein: on a cutting plane of any point on the first auxiliary cutting edge (34a), the projection of the first auxiliary cutting edge (34a) on the cutting plane and part or all of the projection of the first auxiliary cutting edge (36a) on the cutting plane are in 180-degree central symmetry by taking the center line (6a) of the first tool tip as the center;
on a cutting plane of any point on the second auxiliary cutting edge (34b), the projection of the second auxiliary cutting edge (34b) on the cutting plane and the projection of the second auxiliary cutting edge (36b) on the cutting plane are partially or completely in central symmetry of 180 degrees by taking the second nose central line (6b) as the center.
8. The insert for a hole machining tool of claim 6, wherein: the cutting part (3) is also provided with a first cutting part rear surface (32a) and a second cutting part rear surface (32 b); the first cutting portion relief surface (32a) is a relief surface of the first major cutting edge (35a) and the first minor cutting edge (36 a); the second cutting portion relief surface (32b) is a relief surface of the second major cutting edge (35b) and the second minor cutting edge (36 b);
providing a cross-section (6) at any point on the first major cutting edge (35a), the first minor cutting edge (36a), the second major cutting edge (35b), and the second minor cutting edge (36b) of the cutting section (3), the cross-section (6) being parallel to the drill rod centerline and perpendicular to the cutting section back surface (37) and the back surface (26) of the mounting section (2); the section (6) intersects the first cutting portion flank surface (32a) of the first main cutting edge (35a) to form a first intersection line (41a), the section (6) intersects the mounting portion flank surface (37) to form an intersection line (27), and the first intersection line (41a) intersects the intersection line (27) to form a first included angle (a1) having an angle greater than 90 °;
the section (6) intersects the flank surface (32b) of the second major cutting edge (35b) to form a second intersection line (41b), the section (6) intersects the mounting portion back surface (37) to form an intersection line (27), and a second included angle (a2) formed by the intersection of the second intersection line (41b) and the intersection line (27) is greater than 90 degrees.
9. The insert for a hole machining tool of claim 8, wherein: a projection (42a) of a second mounting portion side surface (22a) of the mounting portion (2) on the cutting portion back surface (37) is lower than an intersection line (43a) of the first cutting portion back surface (32a) and the cutting portion back surface (37);
a projection (42b) of a fifth mounting portion side surface (22b) of the mounting portion (2) on the cutting portion back surface (37) is lower than an intersection line (43b) of the second cutting portion back surface (32b) and the cutting portion back surface (37).
10. The insert for a hole machining tool of claim 3, wherein: the indexable insert is provided with a screw mounting hole (4), and the screw mounting hole (4) is positioned at the rotation center of the mounting part (2) and is vertical to the mounting part (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020147284.8U CN212217194U (en) | 2020-01-24 | 2020-01-24 | Insert for a hole machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020147284.8U CN212217194U (en) | 2020-01-24 | 2020-01-24 | Insert for a hole machining tool |
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| Publication Number | Publication Date |
|---|---|
| CN212217194U true CN212217194U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020147284.8U Active CN212217194U (en) | 2020-01-24 | 2020-01-24 | Insert for a hole machining tool |
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| Country | Link |
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| CN (1) | CN212217194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399713A (en) * | 2021-05-19 | 2021-09-17 | 赣州澳克泰工具技术有限公司 | Blade for hole machining |
-
2020
- 2020-01-24 CN CN202020147284.8U patent/CN212217194U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399713A (en) * | 2021-05-19 | 2021-09-17 | 赣州澳克泰工具技术有限公司 | Blade for hole machining |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: Room 101, building 6, 10 Yanwu Zhenxing Road, Wanjiang street, Dongguan City, Guangdong Province, 523000 Patentee after: DONGGUAN AIRIC PRECISION INDUSTRY Co.,Ltd. Address before: 523000 room 522, building 4, No. 86, Hongtu Road, Nancheng street, Dongguan City, Guangdong Province Patentee before: Guangdong promes precision tools Co.,Ltd. |
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| TR01 | Transfer of patent right |