Diamond reamer for finish machining
By using alloy steel matrix, diamond particles and heat dissipation structure design on the reamer, the problems of high-temperature wear of the reamer and hole bottom processing are solved, and efficient heat dissipation and precision processing are achieved.
Patent Information
- Application Number
- CN202422964324.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The existing reamer has a high temperature during use, which causes serious wear of the cutter body, affects the processing accuracy and efficiency, and is not convenient for trimming the bottom of the hole.
A diamond reamer was designed, which uses an alloy steel base and diamond particles, combined with a spiral groove and exhaust channel structure. It was fixed by brazing to increase the heat dissipation effect, and fan blades were set on the handle to improve the airflow heat dissipation efficiency.
It effectively reduces the temperature of the reamer, prolongs its service life, improves processing quality and efficiency, and is especially convenient for processing the bottom of the hole.
Smart Images

Figure CN223338517U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of machining tools, and in particular relates to a diamond reamer for fine machining. Background Art
[0002] A reamer is a rotary finishing tool with a straight or spiral edge, typically used to mill thin layers of metal from the inside of a machined hole, or to repair or expand a hole. Existing reamers present several issues: 1. Current reamers operate at high temperatures, which can lead to significant wear on the cutter body, resulting in errors in the finished product and requiring secondary processing, impacting work efficiency; 2. Current reamers are not convenient for trimming the bottom of the hole.
[0003] Therefore, it is necessary to design a new reamer to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide a diamond reamer for fine machining in view of the shortcomings of the existing technology. The specific scheme is as follows:
[0005] A diamond reamer for finishing, comprising a handle, one end of which is provided with a blade, and the other end of which is provided with a fixed head; the blade comprises a cylindrical blade body (I) and a truncated cone-shaped blade body (II), the blade body (I) and the blade body (II) being integrally formed, the blade body (I) being provided with a plurality of spiral grooves along the circumference, the front side of the spiral groove being provided with a blade (I), the blade body (II) being provided with a plurality of blades along the circumference; the blade (I) comprising a base (I) fixedly mounted on the side wall of the spiral groove, the base (I) being provided with a plurality of diamond particles; the blade (II) comprising a plurality of bases (II) fixedly mounted on the side surface of the blade body (II), the base (II) being provided with a plurality of diamond particles; a metal plate is further provided at the top of the blade body (II), the metal plate being provided with a plurality of diamond particles; the blade body (I) is further provided with a plurality of exhaust channels for heat dissipation.
[0006] Based on the above, the first base body is fixed together with the first blade body by brazing; the second base body and the metal plate are fixed together with the second blade body by brazing.
[0007] Based on the above, the materials of the substrate 1, substrate 2 and metal plate are all alloy steel.
[0008] Based on the above, a plurality of fan blades are provided on the handle.
[0009] The present invention has substantial features and advancements over the prior art. Specifically, the present invention has the following advantages:
[0010] The diamond reamer for fine machining provided by the utility model has a structural design that not only facilitates the operations of repairing and expanding holes in metal materials, but also facilitates the machining of the bottom of the hole; in addition, the structural design of the reamer facilitates heat dissipation, effectively prevents damage to the reamer caused by high temperature, and can ensure the service life of the reamer and the machining quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0012] Figure 2 yes Figure 1 Schematic diagram of the structure at point A in the middle.
[0013] In the figure: 1. Handle; 2. Blade; 2-1. Blade body 1; 2-2. Blade body 2; 3. Fixed head; 4. Spiral groove; 5. Blade 1; 6. Blade 2; 7. Metal plate; 8. Diamond particles; 10. Exhaust channel; 11. Fan blades. DETAILED DESCRIPTION
[0014] The technical solution of the present utility model is further described in detail below through specific implementation methods.
[0015] Example
[0016] like Figure 1-2 As shown, the utility model provides a diamond reamer for finishing, comprising a handle 1, one end of the handle 1 is provided with a blade 2, and the other end of the handle 1 is provided with a fixed head 3; the blade 2 comprises a cylindrical blade body 1 2-1 and a truncated cone-shaped blade body 2-2, the blade body 1 2-1 and the blade body 2-2 are integrally formed, a plurality of spiral grooves 4 are provided on the circumferential direction of the blade body 1 2-1, a blade 1 5 is provided on the front side of the spiral groove 4, and a plurality of spiral grooves 4 are provided on the circumferential direction of the blade body 2-2 Multiple blades 2 6; the blade 1 5 includes a base 1 fixed on the side wall of the spiral groove 4, and the base 1 is provided with a plurality of diamond particles 8; the blade 2 6 includes a multiple base 2 fixed on the side of the blade body 2-2, and the base 2 is provided with a plurality of diamond particles 8; the top of the blade body 2-2 is also provided with a metal plate 7, and the metal plate 7 is provided with a plurality of diamond particles 8; the blade body 1 2-1 is also provided with multiple exhaust channels 10 for heat dissipation.
[0017] The above-mentioned base body 1 is fixed together with the blade body 1 2 - 1 by brazing; the base body 2 and the metal plate 7 are fixed together with the blade body 2 2 - 2 by brazing.
[0018] The materials of the substrate 1, substrate 2 and metal plate 7 are all alloy steel.
[0019] In order to ensure the heat dissipation effect of the reamer, a plurality of fan blades 11 are provided on the handle 1. When the reamer rotates, the air flow can be blown toward the blade 2, thereby improving the heat dissipation efficiency.
[0020] The diamond reamer for fine machining provided by the utility model has a structural design that not only facilitates the operations of repairing and expanding holes in metal materials, but also facilitates the machining of the bottom of the hole; in addition, the structural design of the reamer facilitates heat dissipation, effectively prevents damage to the reamer caused by high temperature, and can ensure the service life of the reamer and the machining quality.
[0021] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and not to limit it; although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solution of the utility model, they should all be included in the scope of the technical solution for protection of the utility model.
Claims
1. A diamond reamer for finishing, characterized by: The present invention comprises a knife handle (1), wherein one end of the knife handle (1) is provided with a knife body (2), and the other end of the knife handle (1) is provided with a fixed head (3); the knife body (2) comprises a cylindrical knife body (2-1) and a truncated cone-shaped knife body (2-2), wherein the knife body (2-1) and the knife body (2-2) are integrally formed, and the knife body (2-1) is provided with a plurality of spiral grooves (4) along the circumference, and the front side of the spiral groove (4) is provided with a blade (5), and the knife body (2-2) is provided with a plurality of blades (6) along the circumference; The blade one (5) comprises a base one fixed on the side wall of the spiral groove (4), and a plurality of diamond particles (8) are provided on the base one; the blade two (6) comprises a multi-channel base two fixed on the side of the blade body two (2-2), and a plurality of diamond particles (8) are fixed on the base two; a metal plate (7) is further provided at the top of the blade body two (2-2), and a plurality of diamond particles (8) are provided on the metal plate (7); and the blade body one (2-1) is further provided with a plurality of exhaust channels (10) for heat dissipation.
2. The diamond reamer for finishing according to claim 1, characterized in that: The base body 1 is fixed together with the blade body 1 (2-1) by brazing; the base body 2 and the metal plate (7) are fixed together with the blade body 2 (2-2) by brazing.
3. The diamond reamer for finishing according to claim 1, characterized in that: The materials of the substrate 1, substrate 2 and metal plate (7) are all alloy steel.
4. The diamond reamer for finishing according to claim 1, characterized in that: The knife handle (1) is provided with a plurality of fan blades (11).