CN214349681U - Combined boring cutter device - Google Patents
Combined boring cutter device Download PDFInfo
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- CN214349681U CN214349681U CN202120123603.6U CN202120123603U CN214349681U CN 214349681 U CN214349681 U CN 214349681U CN 202120123603 U CN202120123603 U CN 202120123603U CN 214349681 U CN214349681 U CN 214349681U
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- chamfer
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Abstract
The utility model discloses a combined boring cutter device, which comprises a cutter handle, a connecting component, a cutter holder, a first chamfer cutter blade group, a boring cutter blade group and a second chamfer cutter blade group; the connecting part is configured to connect the tool shank and the tool apron together and is coaxial with the tool shank; the tool apron comprises a first section, a second section and a third section which are arranged from back to front in sequence; a first chamfer blade group is fixed at the front end of the first section along the radial direction and is provided with a first chamfer cutting part which inclines forwards relative to the central shaft; the boring cutter group is fixed at the front end of the second section along the radial direction and is provided with a first boring cutting part vertical to the central shaft and a second boring cutting part inclined backwards relative to the central shaft; the second chamfer blade group is fixed at the front end of the third section along the radial direction and is provided with a second chamfer cutting part which inclines backwards relative to the central shaft. The utility model discloses can once only to hole characteristic machine-shaping, effectively reduce the cost that the process dispersion increased.
Description
Technical Field
The utility model relates to a bore hole cutting technical field especially relates to a modular boring cutter device.
Background
With the development of high-end manufacturing industry, hole characteristics of parts are more and more complex, and more processes are required for processing the parts. When a small quantity of various parts are processed, a cutter is specially designed, and the production cost is high.
Therefore, those skilled in the art have made an effort to develop a combined boring tool device that can simplify the manufacturing process and thus effectively improve the production efficiency.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the technical problem to be solved in the present invention is how to simplify the process of machining parts with complicated hole characteristics by using a combined boring tool device.
In order to achieve the purpose, the utility model provides a combined boring cutter device, which comprises a cutter handle, a connecting component, a cutter holder, a first chamfer blade group, a boring blade group and a second chamfer blade group; the connecting member is configured to connect the tool shank and the tool holder together and is coaxial with the tool shank; the tool apron comprises a first section, a second section and a third section which are sequentially arranged from back to front; the first chamfer blade set is fixed at the front end of the first section along the radial direction and is provided with a first chamfer cutting part which inclines forwards relative to the central shaft; the boring blade set is fixed at the front end of the second section in the radial direction and is provided with a first boring cutting part perpendicular to the central axis and a second boring cutting part inclined backwards relative to the central axis; the second chamfer blade group is fixed at the front end of the third section along the radial direction and is provided with a second chamfer cutting part which inclines backwards relative to the central shaft.
Further, the radial dimension of the second section is smaller than the radial dimension of the first section.
Further, a radial dimension of one side of the third section with respect to the central axis is equivalent to a radial dimension of the first section, and a radial dimension of the other side of the third section with respect to the central axis is smaller than a radial dimension of the second section.
Further, the first chamfer cutting part has an inclination angle of 10 ° to 80 ° with respect to the central axis direction.
Further, the first chamfer cutting part has an inclination angle of 45 ° with respect to the central axis direction.
Further, the second chamfer cutting part has an inclination angle with the central axis direction of 10 ° to 80 °.
Further, the second chamfer cutting portion has an inclination angle of 45 ° with respect to the central axis direction.
Further, the second bore cutting portion is inclined at an angle of between 5 ° and 30 ° to the central axis direction.
Further, the boring blade group comprises two boring blades which are oppositely arranged.
Further, the second chamfer blade group comprises a plurality of second chamfer blades which are uniformly distributed along the circumferential direction.
The utility model has the advantages that:
1. compared with the prior art, the method has the advantages that the method is irreplaceable, the hole characteristics can be machined and formed at one time, and the cost increased by dispersed working procedures is effectively reduced.
2. The cutter can be used for general equipment such as CNC (computerized numerical control) equipment and numerically controlled fraise machines, adopts integral cutter design, only needs to change the blade, saves use cost.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic view of a component having a complex hole feature according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a combined boring tool device according to a preferred embodiment of the present invention;
fig. 3a is a schematic view of the state of step a) in the method for using the combined boring tool device according to a preferred embodiment of the present invention;
fig. 3b is a schematic view of the state of step b) in the method for using the combined boring tool device according to a preferred embodiment of the present invention;
fig. 3c is a schematic view of the state of step c) in the method for using the combined boring tool device according to a preferred embodiment of the present invention;
fig. 3d is a schematic view of the state of step d) in the method for using the combined boring tool device according to a preferred embodiment of the present invention;
fig. 3e is a schematic view of the state of step e) in the method for using the combined boring tool device according to a preferred embodiment of the present invention;
fig. 3f is a schematic view of the state of step f) in the method for using the combined boring tool device according to a preferred embodiment of the present invention;
fig. 3g is a schematic view of the state of step g) in the method for using the combined boring tool device according to a preferred embodiment of the present invention;
fig. 3h is a schematic view of the state of step h) in the method for using the combined boring tool device according to a preferred embodiment of the present invention.
The tool comprises a step face 1, a first chamfer 2, a second chamfer 3, a tool holder 10, a connecting part 20, a tool holder 30, a first section 31, a second section 32, a third section 33, a first chamfer blade 34, a first chamfer cutting part 35, a boring blade 36, a first boring cutting part 37, a second boring cutting part 38, a second chamfer blade 39 and a second chamfer cutting part 40.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings for clarity and understanding of the technical contents. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Figure 1 shows a component part with a complex bore feature comprising various step faces 1 of different radial dimensions, a first chamfer 2 at the proximal end of the bore and a second chamfer 3 at the distal end of the bore. The traditional processing method is to use different boring cutters and chamfering cutters to process parts in sequence, an operator needs to replace the cutters and set the cutters for many times, and the cutter cost and the labor cost are high.
The embodiment provides a modular boring cutter device, can realize once only to hole characteristic machine-shaping, effectively reduces the cost that the process dispersion increases. The combined boring cutter device can be used for general equipment such as CNC (computerized numerical control) equipment and numerically controlled milling machines, adopts integral cutter design, only needs to replace blades, and saves use cost.
As shown in fig. 2, the combined boring tool device includes a tool shank 10, a connecting member 20, and a tool holder 30, wherein the connecting member 20 connects the tool shank 10 and the tool holder 20 together, and the connecting member 20 is coaxial with the tool shank 10. Preferably, the tool shank 10 is a 2-degree-oblique side-mounted tool shank, and the use of the 2-degree-oblique side-mounted tool shank has the advantage of higher clamping degree and concentricity. The tool holder 30 is provided with a first section 31, a second section 32 and a third section 33 in sequence from back to front. The radial dimension of the second section 32 is smaller than the radial dimension of the first section 31. The radial dimension of the third section 33 on one side with respect to the central axis X-X corresponds to the radial dimension of the first section 31, and the radial dimension of the other side with respect to the central axis X-X is smaller than the radial dimension of the second section 32.
A first chamfer insert set, which in this embodiment is constituted by a first chamfer insert 34, is radially fixed at the front end of the first section 31, the first chamfer insert 34 having a first chamfer cutting portion 35 obliquely forwardly with respect to the central axis X-X. The first chamfer cutting portion 35 is inclined at an angle of between 10 ° and 80 °, preferably 45 °, to the central axis X-X direction.
A boring blade set is fixed radially at the front end of the second section 32, and in this embodiment, the boring blade set is composed of two boring blades 36 arranged oppositely, and the boring blade 36 has a first boring cutting portion 37 perpendicular to the central axis X-X and a second boring cutting portion 38 inclined rearward with respect to the central axis X-X. The second bore cutting portion 38 is inclined at an angle of between 5 ° and 30 ° to the central axis X-X.
A second chamfer insert set is radially fixed to the front end of the third section 33, in this example, the second chamfer insert set is formed by a plurality of second chamfer inserts 39 uniformly distributed in the circumferential direction, and the second chamfer inserts 39 have second chamfer cutting portions 40 inclined rearward with respect to the central axis X-X. The second chamfer cutting portion 40 is inclined at an angle of between 10 ° and 80 °, preferably 45 °, to the central axis X-X direction.
As shown in fig. 3a to 3h, the method for using the combined boring tool device comprises the following steps:
a) offsetting a central shaft of the combined boring cutter device and a central shaft of a workpiece hole to be processed by a preset distance;
b) enabling the second chamfering cutter group to penetrate through the hole of the workpiece to be machined forwards, sequentially adjusting the offset distance between the central shaft of the combined boring cutter device and the central shaft of the hole of the workpiece to be machined, enabling the combined boring cutter device to advance forwards, and utilizing the boring cutter group to execute a boring procedure to machine the workpiece to be machined into required step surfaces;
c) the central shaft of the combined boring cutter device is superposed with the central shaft of a workpiece hole to be processed;
d) the combined boring cutter device is made to advance forwards, and a first chamfering procedure is executed by utilizing the first chamfering blade set;
e) the combined boring cutter device moves backwards, and a second chamfering procedure is executed by using a second chamfering cutter blade group;
f) advancing the combined boring tool device forward;
g) offsetting a central shaft of the combined boring cutter device and a central shaft of a workpiece hole to be processed by a preset distance;
h) and enabling the second chamfer cutter blade group to backwards penetrate through the workpiece hole to be machined, and withdrawing the combined boring cutter device.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A combined boring tool device is characterized by comprising a tool shank, a connecting part, a tool apron, a first chamfer blade group, a boring blade group and a second chamfer blade group; the connecting member is configured to connect the tool shank and the tool holder together and is coaxial with the tool shank; the tool apron comprises a first section, a second section and a third section which are sequentially arranged from back to front; the first chamfer blade set is fixed at the front end of the first section along the radial direction and is provided with a first chamfer cutting part which inclines forwards relative to the central shaft; the boring blade set is fixed at the front end of the second section in the radial direction and is provided with a first boring cutting part perpendicular to the central axis and a second boring cutting part inclined backwards relative to the central axis; the second chamfer blade group is fixed at the front end of the third section along the radial direction and is provided with a second chamfer cutting part which inclines backwards relative to the central shaft.
2. The combination boring tool arrangement of claim 1, wherein the radial dimension of the second section is less than the radial dimension of the first section.
3. The combination boring tool assembly of claim 1 wherein one side of the third segment relative to the central axis has a radial dimension comparable to that of the first segment and the other side of the third segment relative to the central axis has a radial dimension less than that of the second segment.
4. The combination boring tool assembly of claim 1 wherein the first chamfer cutting portion is inclined at an angle of between 10 ° and 80 ° to the central axis.
5. The combination boring tool assembly of claim 4 wherein the first chamfer cutting portion is inclined at an angle of 45 ° to the central axis.
6. The combined boring tool device of claim 1, wherein the second chamfer cutting portion is inclined at an angle of between 10 ° and 80 ° to the central axis direction.
7. The combination boring tool assembly of claim 6, wherein the second chamfer cutting portion is inclined at an angle of 45 ° to the central axis direction.
8. The combination boring tool assembly of claim 1 wherein the angle of inclination of the second bore cutting portion to the central axis direction is between 5 ° and 30 °.
9. The combination boring tool arrangement of claim 1, wherein the boring blade set comprises two boring blades disposed in opposition.
10. The combined boring tool device of claim 1, wherein the second chamfer blade set comprises a plurality of second chamfer blades which are uniformly distributed along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120123603.6U CN214349681U (en) | 2021-01-18 | 2021-01-18 | Combined boring cutter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120123603.6U CN214349681U (en) | 2021-01-18 | 2021-01-18 | Combined boring cutter device |
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| Publication Number | Publication Date |
|---|---|
| CN214349681U true CN214349681U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120123603.6U Active CN214349681U (en) | 2021-01-18 | 2021-01-18 | Combined boring cutter device |
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| CN (1) | CN214349681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815700A (en) * | 2022-12-06 | 2023-03-21 | 临西县得立达轴承有限公司 | Processing device for bearing outer ring |
-
2021
- 2021-01-18 CN CN202120123603.6U patent/CN214349681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815700A (en) * | 2022-12-06 | 2023-03-21 | 临西县得立达轴承有限公司 | Processing device for bearing outer ring |
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