CN218657124U - Strong chip-removing straight-groove reamer - Google Patents
Strong chip-removing straight-groove reamer Download PDFInfo
- Publication number
- CN218657124U CN218657124U CN202222923069.4U CN202222923069U CN218657124U CN 218657124 U CN218657124 U CN 218657124U CN 202222923069 U CN202222923069 U CN 202222923069U CN 218657124 U CN218657124 U CN 218657124U
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- chip
- groove
- reamer
- drill bit
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Abstract
The utility model discloses a chip-removing straight flute reamer by force, include: the cutter arbor, the front end an organic whole of cutter arbor is provided with the drill bit, the circumference of drill bit is arranged and is provided with a plurality of reamers and supports the sword, and two adjacent reamers support to extend between the sword and be provided with main chip groove, main chip groove is provided with the subsidiary chip groove along one side of length direction, main chip groove with the subsidiary chip groove all extends to the cutter arbor from the drill bit direction. In this way, the utility model discloses can effectively improve the chip removal speed of reamer, alleviate reamer chip removal pressure, effectively improve the radiating effect of reamer.
Description
Technical Field
The utility model relates to a cutting tool technical field especially relates to a straight flute reamer of strong chip removal.
Background
The reamer is a rotary tool with one or more blades for cutting off a thin metal layer on the surface of a machined hole, the reamer is a rotary finishing tool with a straight blade or a spiral blade and is used for reaming or repairing the hole, and when the wall surface of the machined hole wall has a high roughness requirement, the reamer is usually machined by using a common straight flute type reamer.
In the process of processing the hole, the straight flute reamer continuously cuts off chips from the hole wall, and intense friction between the straight flute reamer and a workpiece can generate a large amount of heat, so that timely chip removal and cutting heat removal are problems which need to be considered when the reamer is designed. The common straight flute reamer has limited chip containing space and relatively low chip removal speed, chips generated in the machining process cannot be smoothly discharged to the outside of a hole, the conditions of chip accumulation, unsmooth heat dissipation and the like are easy to occur, the temperature of the reamer is overhigh, and the final machining effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a strong chip removal straight flute reamer, can effectively improve the chip removal effect of straight flute reamer, and at chip removal in-process discharge cutting heat, effectively improve the pore wall quality after the processing.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a straight flute reamer of strong chip removal, includes: the cutter arbor, the front end an organic whole of cutter arbor is provided with the drill bit, the circumference of drill bit is arranged and is provided with a plurality of reamers and supports the sword, and two adjacent reamers support to extend between the sword and be provided with main chip groove, main chip groove is provided with the assistance chip groove along one side of length direction, main chip groove with the assistance chip groove all extends to the cutter arbor from the drill bit direction.
Preferably, the extension length of the primary flute and the secondary flute is greater than the length of the reamer support edge.
Preferably, the main chip discharge groove and the auxiliary chip discharge groove are both designed into arc-shaped blades with one linear side and one arc-shaped side.
Preferably, the extension length of the auxiliary chip flute is smaller than that of the main chip flute.
Preferably, the auxiliary chip discharge groove is provided with a chip discharge inclination angle, and the range of the chip discharge inclination angle is set to be 3-8 degrees.
Preferably, the cutting depth range of one end of the drill bit, which is positioned at the auxiliary chip discharge groove, is set to be (3% -8%) of the blade diameter.
Preferably, the range of the angle R of the groove bottom of the auxiliary chip discharge groove is set to be (2% -5%) of the blade diameter.
The utility model has the advantages that: the utility model discloses on the basis of ordinary straight flute reamer, set up an auxiliary chip groove, auxiliary chip groove is through adjustment tank bottom R angle, effectively improves the chip containing space of reamer, prevents to contain chip space undersize, causes the incomplete bits to block up, cuts in the adjustment at degree of depth and chip removal inclination through auxiliary chip groove, effectively improves the chip removal speed of reamer for the inside heat dissipation rate of reamer effectively improves the yield.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial enlarged view of the utility model at A;
fig. 3 is a schematic top view of the present invention;
fig. 4 is a partial enlarged view of the utility model at the position B;
the components in the drawings are numbered as follows:
1. a cutter bar; 2. a drill bit; 3. a reamer support edge; 4. a main chip groove; 5. auxiliary chip grooves; 6. cutting depth; 7. chip removal inclination angle; 8. the bottom of the groove is at an angle R.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
As shown in fig. 1, the embodiment of the present invention includes: the reamer comprises a cutter bar 1, wherein a drill bit 2 is integrally arranged at the front end of the cutter bar 1, the cutter bar 1 and the drill bit 2 are both of cylindrical structures, a plurality of reamer supporting blades 3 are arranged in the circumferential direction of the drill bit 2, and the cutting action of a reamer is completed, in the embodiment, 6 reamer supporting blades 3 are arranged, the width direction of each reamer supporting blade 3 is obliquely arranged and obliquely extends along the same circumferential direction, a step is formed at the joint of the reamer supporting blades 3 and the cutter bar 1, the chip breaking effect is realized, the chip cutting process is prevented, and chips are wound on the cutter body; a main chip removal groove 4 extends between two adjacent reamer supporting blades 3, and plays a role in chip removal in the chip removal process.
As shown in fig. 1 and 2, an auxiliary chip discharge groove 5 is formed in one side of a main chip discharge groove 4 along the length direction, the main chip discharge groove 4 and the auxiliary chip discharge groove 5 extend from a drill bit 2 to a cutter bar 1, the extension length of the main chip discharge groove 4 is greater than that of the auxiliary chip discharge groove 5, the extension length of the auxiliary chip discharge groove 5 is greater than that of a reamer support edge 3, residual chips in a reamer can be discharged better, and the main chip discharge groove 4 and the auxiliary chip discharge groove 5 are designed into an arc-shaped edge with one linear side and one arc-shaped side.
As shown in fig. 1 to 4, the cutting depth 6 of the auxiliary chip removal groove 5 at one end of the drill bit 2 is set to be (3% -8%) of the blade diameter, in this embodiment, the cutting depth 6 is set to be 5% of the blade diameter, the auxiliary chip removal groove 5 is provided with a chip removal inclination angle 7, the chip removal inclination angle 7 is set to be 3 ° -8 °, in this embodiment, the chip removal inclination angle 7 is 3 °, the chip removal inclination angle 7 can effectively increase the chip removal speed while the normal chip containing space of the main chip removal groove 4 is not affected, the chip removal inclination angle 7 and the cutting depth 6 jointly act to determine the extending direction of the arc-shaped side of the auxiliary chip removal groove 5, the tank bottom R angle 8 of the auxiliary chip removal groove 5 is set to be (2% -5%) of the blade diameter, in this embodiment, the tank bottom R angle 8 is set to be 2% of the blade diameter, so that the chip containing space in the machining process can be effectively increased, the chip containing pressure is relieved, the chip remaining chip blockage is prevented, and meanwhile, the auxiliary chip removal groove 5 can change the inertial falling mode in the chip forming process, and play a role in accommodating and buffering role in chip removal under the condition that the chip removal inclination angle 7 exists.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A strong chip removal straight flute reamer includes: the cutter arbor, the front end an organic whole of cutter arbor is provided with drill bit, its characterized in that: the circumference of drill bit is arranged and is provided with a plurality of reamer and supports the sword, and two adjacent reamers support to extend between the sword and be provided with main chip groove, main chip groove is provided with along length direction's one side and assists the chip groove, main chip groove with assist all extending to the cutter arbor from the drill bit direction of chip groove.
2. The strong chip-removing straight flute reamer as claimed in claim 1, wherein: the extension length of the main chip groove and the auxiliary chip groove is larger than the length of the reamer supporting edge.
3. The strong chip removal straight flute reamer as claimed in claim 1, wherein: the main chip groove and the auxiliary chip groove are both designed into arc-shaped blades with one linear side and one arc-shaped side.
4. The strong chip-removing straight flute reamer as claimed in claim 1, wherein: the extension length of the auxiliary chip groove is smaller than that of the main chip groove.
5. The strong chip-removing straight flute reamer as claimed in claim 1, wherein: the auxiliary chip removal groove is provided with a chip removal inclination angle, and the range of the chip removal inclination angle is set to be 3-8 degrees.
6. The strong chip-removing straight flute reamer as claimed in claim 1, wherein: the cutting depth range of one end of the auxiliary chip discharge groove, which is positioned at the drill bit, is set to be (3% -8%) of the blade diameter.
7. The strong chip removal straight flute reamer as claimed in claim 1, wherein: the range of the R angle of the groove bottom of the auxiliary chip discharge groove is set to be (2% -5%) of the blade diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222923069.4U CN218657124U (en) | 2022-11-03 | 2022-11-03 | Strong chip-removing straight-groove reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222923069.4U CN218657124U (en) | 2022-11-03 | 2022-11-03 | Strong chip-removing straight-groove reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218657124U true CN218657124U (en) | 2023-03-21 |
Family
ID=85567749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222923069.4U Active CN218657124U (en) | 2022-11-03 | 2022-11-03 | Strong chip-removing straight-groove reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218657124U (en) |
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2022
- 2022-11-03 CN CN202222923069.4U patent/CN218657124U/en active Active
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