CN219053119U - High wear-resisting reamer suitable for die-casting work piece - Google Patents
High wear-resisting reamer suitable for die-casting work piece Download PDFInfo
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- CN219053119U CN219053119U CN202223539359.5U CN202223539359U CN219053119U CN 219053119 U CN219053119 U CN 219053119U CN 202223539359 U CN202223539359 U CN 202223539359U CN 219053119 U CN219053119 U CN 219053119U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to the technical field of numerical control machining cutters, and discloses a high-wear-resistance reamer suitable for die-casting workpieces, wherein chip removal straight grooves are symmetrically arranged at the centers of the side parts of alloy steel reaming parts, the chip removal straight grooves extend from the front end surfaces of the alloy steel reaming parts to an alloy steel cutter handle, embedded grooves A are respectively formed in one pair of groove side walls of the chip removal straight grooves, which are symmetrically arranged at the centers, the embedded grooves A extend from the front end surfaces of the alloy steel reaming parts to the direction of the alloy steel cutter handle, gaskets are fixedly welded and embedded in the embedded grooves A, a first CBN blade is covered, paved and welded on the gaskets, and the first CBN blade is provided with a first reaming part protruding forwards from the front end surfaces of the alloy steel reaming parts and a second reaming part protruding outwards from the peripheral walls of the alloy steel reaming parts; is suitable for reaming processing of high-hardness workpieces such as die casting and the like, has the characteristics of high hardness, high wear resistance and long service life, the die-casting method is beneficial to reducing the replacement cost of reaming processing cutters of high-hardness workpieces such as die-casting and the like and improving the reaming processing operation efficiency.
Description
Technical Field
The utility model belongs to the technical field of numerical control machining cutters, and particularly relates to a reamer.
Background
When the cast iron or die-casting aluminum workpiece is subjected to reaming, as the slag is usually in a powder form, a straight-groove chip removal reamer is generally selected for reaming; however, as cast iron or die-casting aluminum workpieces and the like have higher hardness, the cutter body and the cutter handle of the working part of the conventional alloy steel reamer, such as the straight flute reamer disclosed in China utility model (bulletin No. CN 204053031), are formed by processing alloy steel, and when the cast iron or die-casting aluminum and other workpieces with high hardness are subjected to reaming processing, the cutter body has weaker hardness and wear resistance, the service life is shorter, and the cutter body is easy to damage; when the high-hardness workpieces are subjected to reaming, a reamer needs to be replaced for standby and frequently, so that the reaming cost is increased, and the reaming efficiency is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the high-wear-resistance reamer which is suitable for reaming processing of high-hardness workpieces such as die casting and the like, has the characteristics of high hardness, high wear resistance and long service life, and is beneficial to reducing the replacement cost of reaming processing cutters of the high-hardness workpieces such as die casting and the like and improving the reaming processing operation efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the high wear-resistant reamer comprises an alloy steel cutter handle and alloy steel reaming parts which are integrally arranged at the front end of the alloy steel cutter handle and have a diameter smaller than that of the alloy steel cutter handle, chip removal straight grooves are symmetrically arranged at the centers of the side parts of the alloy steel reaming parts, the chip removal straight grooves extend from the front end face of the alloy steel reaming parts to the alloy steel cutter handle, embedded grooves A are respectively formed in one pair of groove side walls of the chip removal straight grooves, the embedded grooves A extend from the front end face of the alloy steel reaming parts to the direction of the alloy steel cutter handle, gaskets are fixedly welded in the embedded grooves A in a welding manner, a first CBN blade is covered and fixedly welded on the gaskets in a covering manner, and the first CBN blade is provided with a first reaming part protruding forwards from the front end face of the alloy steel reaming parts and a second reaming part protruding outwards from the peripheral wall of the alloy steel reaming parts; when the reaming is carried out on high-hardness workpieces such as cast iron or die-casting aluminum, the reaming is carried out by acting the first reaming part and the second reaming part of the first CBN blade which are symmetrically inlaid in the center of the alloy steel reaming part on the inner wall of the hole, so that the hardness and the wear resistance of the reamer can be improved, the service life of the reamer can be prolonged, the replacement cost of the reaming cutter for the high-hardness workpieces such as die-casting is reduced, the cutter changing and the shutdown are avoided, and the reaming operation efficiency is improved.
Preferably, the outer cutting surface of the first CBN blade is flush with the groove sidewall and is in welded alignment; the first CBN blade is strong in the setting integrity of alloy steel reaming portion, and inlay fixedly firm, can not influence the discharge of material sediment in the chip removal straight flute.
As an improvement scheme, a chamfer part is formed between the alloy steel reaming part and the alloy steel cutter handle, a mosaic groove B is formed in the groove side wall, the front part of the mosaic groove B extends to the alloy steel reaming part, the rear part of the mosaic groove B extends to the alloy steel cutter handle, a second CBN blade is fixedly welded in the mosaic groove B, and the second CBN blade is provided with a cutting edge which is flush with the alloy steel reaming part and the peripheral wall of the alloy steel cutter handle; the reaming orifice chamfering process also does not need to change the cutter, and the chamfering is carried out through the cutting edge of the second CBN blade which is inlaid and fixed, the hardness of the chamfering part is high in wear resistance, the problem that the chamfering part is easy to damage during chamfering processing of cast iron or die casting aluminum and other high-hardness workpieces can be avoided, the service life of the reamer is prolonged, the replacement cost of the reaming processing cutter of the die casting and other high-hardness workpieces is reduced, the cutter changing and stopping are avoided, and the reaming processing operation efficiency is improved.
Preferably, the insert groove B and the second CBN insert have a beveled edge portion for cutting chamfer correspondingly; a chamfer is machined from the beveled edge.
The utility model has the following beneficial effects:
1. the method comprises the steps that an embedded groove A is formed in a pair of groove side walls of a chip removal straight groove with the side parts of an alloy steel reaming part being symmetrical in the center, a fixed gasket and a first CBN blade are welded in the embedded groove A, reaming is conducted through the action of the first reaming part and the second reaming part of the first CBN blade on the inner wall of a hole, reamer hardness and wear resistance can be improved, the service life of the reamer is prolonged, replacement cost of reaming tools for high-hardness workpieces such as die casting is reduced, tool changing and stopping are avoided, and reaming operation efficiency is improved;
2. the chamfering part is formed between the alloy steel reaming part and the alloy steel shank, the embedded groove B is arranged on the side wall of the chip removal straight groove corresponding to the chamfering part to weld and embed the second CBN blade, the chamfering processing of the reaming orifice does not need to change a cutter, chamfering cutting is carried out through the cutting edge of the embedded and fixed second CBN blade, the chamfering part is high in hardness and wear resistance, the problem that the chamfering part is easy to damage during chamfering processing of high-hardness workpieces such as cast iron or die-casting aluminum can be avoided, and the service life of the reamer is prolonged.
Drawings
FIG. 1 is a side view block diagram of a high wear reamer of the present utility model adapted for use with die cast workpieces;
fig. 2 is a schematic view of the front end face of a high wear reamer of the present utility model adapted for die casting a workpiece.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical ideas claimed in the present utility model.
The high wear-resistant reamer suitable for die-casting workpieces as shown in fig. 1 and 2 comprises an alloy steel cutter handle 1 and an alloy steel reaming part 2 which is integrally arranged at the front end of the alloy steel cutter handle 1 and has a diameter smaller than that of the alloy steel cutter handle 1. The chip removal straight groove 3 is symmetrically arranged at the center of the side part of the alloy steel reaming part 2, and the chip removal straight groove 3 extends from the front end face of the alloy steel reaming part 2 to the alloy steel tool handle 1. Wherein, the two side groove walls of the chip removal straight groove 3 preferably form an included angle of 100 degrees, so that powder slag generated by cast iron or die-casting aluminum workpieces during reaming can be ensured to be discharged more smoothly through the chip removal straight groove 3. The pair of centrally symmetrical groove side walls 31 of the chip removal straight groove 3 are respectively provided with an embedded groove A, and the embedded groove A extends from the front end face of the alloy steel reaming part 2 to the direction of the alloy steel tool handle 1. The gasket 4 is fixedly welded and inlaid in the inlaid groove A, the first CBN blade 5 is fixedly welded on the gasket 4 in a covering and pasting mode, and the first CBN blade 5 is provided with a first reaming part 51 protruding forwards from the front end face of the alloy steel reaming part 2 and a second reaming part 52 protruding outwards from the peripheral wall of the alloy steel reaming part 2. The outer cutting surface of the first CBN blade 5 is preferably flush with the groove side wall 31 and welded in alignment, so that the arrangement of the first CBN blade 5 in the alloy steel reaming portion 2 is strong in integrity, and the inlay fixation is firm without affecting the discharge of slag in the chip removal straight groove 3.
When reaming high-hardness workpieces such as cast iron or die-casting aluminum, the reamer hardness and wear resistance can be improved by acting the first reaming part 51 and the second reaming part 52 of the first CBN blade 5 which are symmetrically inlaid in the center of the alloy steel reaming part 2 on the inner wall of the hole, so that the service life of the reamer is prolonged, the replacement cost of the reamer for the high-hardness workpieces such as die-casting is reduced, the replacement of the reamer is avoided, and the reaming operation efficiency is improved.
A chamfer part 6 is also formed between the alloy steel reaming part 2 and the alloy steel cutter handle 1, a groove side wall 31 provided with an embedded groove A is provided with an embedded groove B of which the front part extends to the alloy steel reaming part 2 and the rear part extends to the alloy steel cutter handle 1 corresponding to the chamfer part 6, a second CBN blade 7 is fixedly welded and embedded in the embedded groove B, and the second CBN blade 7 is provided with a cutting edge 70 which is flush with the alloy steel reaming part 2 and the peripheral wall of the alloy steel cutter handle 1. In this embodiment, the cutting edge 70 of the second CBN blade 7 and the insert groove B are provided with a corresponding bevel edge 71 for cutting chamfer, the bevel edge 71 is used for cutting chamfer, the angle between the bevel edge 71 and the central axis of the alloy steel shank 1 and the alloy steel reaming part 2 is preferably set to be 14 °, and the angle can be adjusted according to the situation of the hole in actual machining.
The reaming orifice chamfering process also does not need to change the cutter, and the chamfering is carried out by embedding the cutting edge 70 of the fixed second CBN blade 7, the hardness of the chamfering part 6 is high in wear resistance, the problem that the chamfering part 6 is easy to damage during chamfering processing of high-hardness workpieces such as cast iron or die casting aluminum can be avoided, the service life of a reamer is prolonged, the cutter changing cost of reaming processing of high-hardness workpieces such as die casting is reduced, the cutter changing is avoided, and the reaming processing operation efficiency is improved.
Various other corresponding changes and modifications will occur to those skilled in the art from the foregoing description and the accompanying drawings, and all such changes and modifications are intended to be included within the scope of the present utility model as defined in the appended claims.
Claims (6)
1. The utility model provides a high wear-resisting reamer suitable for die casting work piece, includes alloy steel handle of a knife and an organic whole locate the front end of alloy steel handle of a knife just the diameter is less than alloy steel reaming portion of alloy steel handle of a knife, the lateral part central symmetry of alloy steel reaming portion is equipped with chip removal straight flute, chip removal straight flute from the front end terminal surface of alloy steel reaming portion extend in alloy steel handle of a knife, its characterized in that, inlay groove A has been seted up respectively on one of them a pair of central symmetry's of chip removal straight flute lateral wall, inlay groove A certainly the front end of alloy steel reaming portion towards alloy steel handle of a knife orientation extends, it is fixed with the gasket to inlay groove A welding mosaic, and first CBN blade cover is fixed in the welding of lining, first CBN blade have preceding protruding in the first reaming portion of alloy steel reaming portion's front end terminal surface and protruding in the second reaming portion of alloy steel reaming portion perisporium.
2. The high wear reamer for die cast workpieces of claim 1, wherein the outer face of the first CBN blade is flush with the groove sidewall and in welded alignment.
3. The high wear-resistant reamer suitable for die-casting workpieces according to claim 1 or 2, wherein a chamfer is formed between the alloy steel reaming portion and the alloy steel tool shank, the groove side wall is provided with a mosaic groove B, the front part of the mosaic groove B extends to the alloy steel reaming portion and the rear part of the mosaic groove B extends to the alloy steel tool shank, a second CBN blade is fixedly welded in the mosaic groove B, and the second CBN blade is provided with a cutting edge which is flush with the alloy steel reaming portion and the alloy steel tool shank peripheral wall.
4. The high wear reamer for die cast workpieces of claim 3, wherein said insert B and said second CBN insert have beveled edge portions for cutting chamfer angles.
5. The high wear reamer for die cast workpieces of claim 4, wherein said beveled edge portion is at an angle of 14 ° to a central axis of said alloy steel shank, said alloy steel reaming portion.
6. The high wear reamer for die casting work pieces according to claim 1 or 2, wherein the two side walls of the chip removal straight flute form an included angle of 100 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223539359.5U CN219053119U (en) | 2022-12-29 | 2022-12-29 | High wear-resisting reamer suitable for die-casting work piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223539359.5U CN219053119U (en) | 2022-12-29 | 2022-12-29 | High wear-resisting reamer suitable for die-casting work piece |
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| Publication Number | Publication Date |
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| CN219053119U true CN219053119U (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223539359.5U Active CN219053119U (en) | 2022-12-29 | 2022-12-29 | High wear-resisting reamer suitable for die-casting work piece |
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| Country | Link |
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| CN (1) | CN219053119U (en) |
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2022
- 2022-12-29 CN CN202223539359.5U patent/CN219053119U/en active Active
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