CN215145302U - Diamond reamer - Google Patents
Diamond reamer Download PDFInfo
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- CN215145302U CN215145302U CN202121483523.8U CN202121483523U CN215145302U CN 215145302 U CN215145302 U CN 215145302U CN 202121483523 U CN202121483523 U CN 202121483523U CN 215145302 U CN215145302 U CN 215145302U
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- diamond
- cutter
- reamer
- chamfer
- peripheral edge
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Abstract
The utility model provides a diamond reamer, include the cutter arbor base member and weld the diamond cutter body on the cutter arbor base member, the cutter arbor base member is for keeping away a section near the one end of diamond cutter body, has seted up a plurality of chip grooves on the diamond cutter body, and the chip groove extends to keeping away on the section. The diamond cutter body is provided with a peripheral edge. Therefore, the traditional slotting soldering lug process can be abandoned, the processing production efficiency of the diamond reamer is improved, the strength of the cutter can be effectively improved, and the service life is prolonged. And according to user's demand, can realize that the sword footpath of diamond reamer is littleer, and can open and establish more week swords, satisfy user's demand.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the technique of cutter and specifically relates to a diamond reamer is related to.
[ background of the invention ]
At present, the existing ultra-small diameter reamer with the diameter of 2-4mm is generally made of hard alloy. Because the conventional diamond cutter generally adopts a hard alloy cutter bar as a base body, and a diamond blade is welded on the base body in a grooving mode, so that the diamond blade is fixed and the diamond cutter is formed. However, in this way, the cutter bar is easy to increase the grooving with the increase of the cutting edge, and further the volume of the grooved is reduced, which causes the reduction of the welding surface between the diamond cutter and the substrate, increases the difficulty of diamond welding, and further affects the stability of the diamond cutter, and leads to a short service life, and even the effective mass production cannot be realized with the increase of the number of cutting edges, therefore, compared with the hard alloy reamer, the reamer has no advantages.
Accordingly, the prior art is in need of improvement and development.
[ Utility model ] content
An object of the utility model is to provide a diamond reamer for solve the problem that the low intensity of the diamond reamer of current 2-4mm diameter leads to the life-span to be short.
The technical scheme of the utility model as follows: the embodiment of the utility model provides a diamond reamer, which comprises a cutter bar base body and a diamond cutter body welded on the cutter bar base body, wherein one end of the cutter bar base body close to the diamond cutter body is a position avoiding section; a peripheral edge is formed on the diamond cutter body, and an included angle between a first rear cutter face of the peripheral edge and the axial plane is a.
Furthermore, the edge diameter of the peripheral edge is 2-4 mm.
Furthermore, the peripheral edge is an arc surface, and the edge width of the peripheral edge is 0.2 +/-0.02 mm.
Further, keep away a section including the welding pedestal, the first chamfer of keeping away and the second that connect gradually and keep away a chamfer, the welding pedestal is keeping away from the first one end of keeping away a chamfer and is welding with the diamond cutter body.
Furthermore, a chamfer edge is arranged on the first avoiding chamfer, and the chamfer edge is intersected with the extension line of the peripheral edge.
Further, the diamond cutter body is also provided with: a planar bottom edge, and a third chamfer connecting the bottom edge and the peripheral edge.
Further, the diamond cutter body is also provided with: a planar bottom edge, and a third chamfer connecting the bottom edge and the peripheral edge.
Further, the included angle between the third chamfer and the radial plane is 15 degrees, and the angle a is 25 degrees.
Furthermore, the chip grooves are 4 and are uniformly distributed.
The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses a directly regard the diamond cutter body as the cutting tool head to directly set up the chip groove and process all sword on the diamond cutter body, can throw away traditional fluting soldering lug technology with this, improve the processing production efficiency of diamond reamer, and can effectively improve the intensity of cutter, improve life. And, according to user's demand, can realize that diamond reamer's sword footpath is littleer, and can open and establish more week swords, satisfy user's demand.
[ description of the drawings ]
Fig. 1 is a perspective view of the diamond reamer of the present invention.
Fig. 2 is a perspective view of another angle of view of the diamond reamer of the present invention.
Figure 3 is a side view of the diamond reamer of the present invention.
Fig. 4 is a top view of the diamond cutter of the present invention.
Fig. 5 is a flow chart of the diamond reamer processing method of the present invention.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1-4, a diamond reamer according to an embodiment of the present invention is shown.
Wherein, this diamond reamer includes cutter arbor base member 10 and welds diamond cutter body 20 on cutter arbor base member 10, and cutter arbor base member 10 is for keeping away position section 15 in the one end that is close to diamond cutter body 20, has seted up a plurality of junk slots 21 on the diamond cutter body 20, and junk slot 21 extends on keeping away position section 15. The diamond cutter body 20 is formed with a peripheral edge 23, and an included angle a is formed between the first flank 22 of the peripheral edge 23 and the axial plane.
The utility model discloses diamond reamer is through directly regarding diamond cutter body 20 as cutting tool head to processing all sword 23 and chip groove 21 on diamond cutter body 20, solving current super small diameter diamond cutter and need slotting welding diamond blade on the stereoplasm cutter arbor and lead to the problem that the blade face of weld is little and cause the problem that cutter life hangs down, with this can effectively solve diamond blade and be difficult to the welded problem, and effectively improve the intensity of cutter, effectively improve life. And, according to user's demand, can realize that diamond reamer's sword footpath is littleer, and can open and establish more week sword 23, satisfy user's demand.
Specifically, in this embodiment, the cutting edge diameter of the diamond reamer at the time of machining the peripheral edge 23 can be 2 to 4mm, which satisfies the machining of the conventional ultra-small hole.
In one embodiment, the peripheral edge 23 is a circular arc surface with an edge width of 0.2 ± 0.02 mm. The circular arc surface has a circular arc cross section with a radius of 1.5mm, and the peripheral edge 23 facilitates finish machining of the hole and provides a machined surface with higher precision.
In one embodiment, in order to improve the overall strength of the diamond reamer and facilitate the processing of the diamond reamer body 20, the avoiding section 15 includes a welding base 14, a first avoiding chamfer 13, a first avoiding section 12 and a second avoiding chamfer 11, which are connected in sequence, and the welding base 14 is welded to the diamond reamer body 20 at an end far away from the first avoiding chamfer 13.
In one embodiment, the first avoiding chamfer 13 is provided with a chamfer edge 16, and the chamfer edge 16 intersects with an extension line of the peripheral edge 23. Utilize chamfer sword 16 user's processing chamfer of being convenient for, improve the utility model discloses diamond reamer's practicality.
In one embodiment, in order to improve the strength of the diamond reamer of the present invention, the diamond reamer body 20 is further formed with: a bottom edge 25, which is planar, and a third chamfer 24 connecting the bottom edge 25 and the peripheral edge 23. Wherein the angle between the third chamfer 24 and the radial plane is 15 °, and the angle between the first flank 22 of the peripheral edge 23 and the axial plane is 25 °. In addition, 4 chip grooves 21 are uniformly distributed, and the chip grooves 21 are positioned between two peripheral edges 23, so that the production and the processing are convenient.
Referring to fig. 5, the present invention further provides a method for processing the diamond reamer, which comprises the steps of:
A. preparing a hard alloy cutter bar and a diamond sheet, wherein the thickness of the diamond sheet is 6mm, the diameter of the hard alloy cutter bar is 6mm, and the hard alloy cutter bar is made of tungsten steel.
B. And processing the diamond sheet by using a wire cutting machine to form a diamond cylinder.
C. Utilize the side of flat grinder processing diamond cylinder and carbide cutter arbor, form the face of weld to guarantee that the face of weld of diamond cylinder and carbide cutter arbor are level and smooth bright, can better butt joint when guaranteeing to weld together, and do not have welding seam, bubble influence welding strength.
D. The welding surface of the diamond cylinder and the welding surface of the hard alloy cutter bar are bonded in advance through a welding flux and then welded into a whole through vacuum. Specifically, the temperature of vacuum welding is 760 ℃, and the welding time is 90 minutes, so as to prevent the cold joint phenomenon.
E. The rough grinding hard diamond cutter bar is close to one end of a diamond cylinder, a cutter bar base body 10 with a welding base 14, a first avoiding chamfer 13, a first avoiding section 12 and a second avoiding chamfer 11 which are connected in sequence is formed, and a space is avoided for a subsequent chip discharge groove 21 and a processed diamond cylinder, so that influence on processing is avoided.
F. The diamond cylinder, the welding base 14, the first avoiding chamfer 13 and the first avoiding section 12 are machined by utilizing numerical control electric spark to form a first cutter body with a chip groove 21. Wherein, the diameter of the core thickness on the diamond cylinder in the first cutter body is 1.5mm, the length of the chip groove 21 is 12mm, and the opening angle of the chip groove 21 is 90 degrees.
G. The side of the diamond cylinder on the first blade of correct grinding forms the second blade body that has week sword 23 to beat between diamond cylinder and the cutter arbor with this and the concentricity control is within 0.003mm, in order to improve the utility model discloses diamond machining's precision.
H. The diamond reamer 10 is formed by finely grinding the peripheral edge 23 and the first rear cutter surface 22 of the peripheral edge 23, wherein the peripheral edge 23 on the diamond cutter body 20 is a circular arc surface with a radius of 1.5mm, the edge width of the peripheral edge 23 on the diamond cutter body 20 is 0.2 +/-0.02 mm, the edge diameter on the diamond cutter body 20 is 2-4mm, and the included angle between the first rear cutter surface 22 on the diamond cutter body 20 and the axial plane is 25 degrees.
The utility model discloses a directly weld the diamond cylinder on the carbide cutter arbor, cut chip groove 21 and processing week sword 23 again to this can throw away traditional fluting soldering lug technology, and the loaded down with trivial details operation that is fixed in chip groove 21 in advance through the solder flux with a diamond sheet piece is saved, improves the processing production efficiency of diamond reamer. And effectively improve the intensity of diamond reamer, improve life. The diameter of the edge of the diamond reamer can reach 2-4mm, and more peripheral edges 23 can be arranged according to the requirements of users, so that the requirements of the users are met.
Specifically, in an embodiment, the processing method further includes, after the step E: e1, using numerical control electric spark to process the outer side wall of the diamond cylinder and the welding base 14, and forming the diamond cylinder and the welding base 14 with jump less than 0.005mm and concentricity less than 0.005 mm. The high-precision jumping and concentricity can ensure the precision of the subsequent machining size.
In an embodiment, the processing method further includes, after the step G: g1, process the first chamfer 13 of keeping away on the second cutter body and form chamfer sword 16, in order to improve the utility model discloses diamond reamer's practicality.
In an embodiment, to improve the strength of the diamond reamer of the present invention, the processing method further includes, before the step h: g2, refining the top surface of the diamond cylinder on the second blade body to form a planar bottom edge 25 and a third chamfer 24 between the bottom edge 25 and the peripheral edge 23.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (8)
1. A diamond reamer is characterized by comprising a cutter bar base body and a diamond cutter body welded on the cutter bar base body, wherein one end of the cutter bar base body close to the diamond cutter body is a position avoiding section; the diamond cutter body is provided with a peripheral edge, an included angle between a first rear cutter face of the peripheral edge and an axial plane is a, and the chip groove is located between the two peripheral edges.
2. The diamond reamer of claim 1 wherein the peripheral edge has a diameter of 2-4 mm.
3. The diamond reamer of claim 2 wherein said peripheral edge is a circular arc having an edge width of 0.2 ± 0.02 mm.
4. The diamond reamer of claim 3 wherein the avoiding section comprises a welding base, a first avoiding chamfer, a first avoiding section and a second avoiding chamfer connected in sequence, the welding base is welded to the diamond cutter body at the end far from the first avoiding chamfer.
5. The diamond reamer of claim 4 wherein the first relief chamfer has a chamfer edge formed thereon, the chamfer edge intersecting an extension of the peripheral edge.
6. The diamond reamer of claim 5 wherein said diamond body further has formed thereon: a planar bottom edge, and a third chamfer connecting the bottom edge and the peripheral edge.
7. The diamond reamer of claim 6 wherein the angle between the third chamfer and the radial plane is 15 ° and the angle a is 25 °.
8. The diamond reamer of claim 7 wherein there are 4 flutes and the flutes are evenly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121483523.8U CN215145302U (en) | 2021-06-30 | 2021-06-30 | Diamond reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121483523.8U CN215145302U (en) | 2021-06-30 | 2021-06-30 | Diamond reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215145302U true CN215145302U (en) | 2021-12-14 |
Family
ID=79381688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121483523.8U Active CN215145302U (en) | 2021-06-30 | 2021-06-30 | Diamond reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215145302U (en) |
-
2021
- 2021-06-30 CN CN202121483523.8U patent/CN215145302U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 101, No.70, baigong'ao Industrial Zone, Xikeng new village, Xikeng community, Fucheng street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Xinjinquan Precision Technology Co.,Ltd. Address before: 518000 101, No.70, baigong'ao Industrial Zone, Xikeng new village, Xikeng community, Fucheng street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen xinjinquan Precision Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |