CN219683988U - Boring bar capable of chamfering orifice - Google Patents
Boring bar capable of chamfering orifice Download PDFInfo
- Publication number
- CN219683988U CN219683988U CN202320339323.8U CN202320339323U CN219683988U CN 219683988 U CN219683988 U CN 219683988U CN 202320339323 U CN202320339323 U CN 202320339323U CN 219683988 U CN219683988 U CN 219683988U
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- chamfering
- boring
- blade
- boring bar
- mounting groove
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- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims description 13
- 238000003754 machining Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910003460 diamond Inorganic materials 0.000 description 5
- 239000010432 diamond Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model discloses a boring bar capable of chamfering an orifice, which relates to the field of machining and comprises a boring bar body, wherein one end of the boring bar body is a connector, the connector is driven by the connection of a boring machine spindle, the other end of the boring bar body is a blade mounting bar, a chamfering blade is mounted on the blade mounting bar near the connector and used for chamfering a part to be machined, and a boring blade is mounted on the blade mounting bar far away from the connector and used for boring an earhole. The boring bar provided by the utility model can finish chamfering of the outer side of the lug hole during boring, reduces the investment of one chamfering device, reduces the production field, accelerates the circulation of parts, can directly transfer to the next working procedure after boring, reduces the investment of personnel, does not need special people to chamfer the outer side of the parts, reduces the production cost, does not generate extra labor cost, improves the product quality, and ensures that the machined product chamfering and the lug hole have better concentricity.
Description
Technical Field
The utility model relates to the field of machining, in particular to a boring bar capable of chamfering an orifice.
Background
For fork type parts with earholes such as flange forks, welding forks and sliding forks, the requirements of chamfering are met on two sides of the earholes of the parts on the product graph, in the prior art, after the fork type parts are bored by a double-sided diamond boring machine, chamfering treatment is carried out on the parts by a chamfering process, and the following defects are caused:
1. the outer side of the earhole is required to be provided with a special chamfering drilling machine and a corresponding die for chamfering the outer side of the earhole;
2. a special process is needed to chamfer the outer side of the earhole, and the boring cannot be directly transferred to the next process;
3. special people are required to chamfer the outer side of the part, so that extra labor cost is increased;
4. the chamfering die and the part have gaps, and the chamfering die and the part have different concentricity around the earhole, so that the product quality is affected.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a boring bar capable of chamfering holes, which can chamfer holes on two sides of an ear hole while boring by a double-sided diamond boring machine.
The utility model aims at being completed by the following technical scheme: the boring bar capable of chamfering the orifice is used for machining fork parts, the fork parts are provided with lug holes, rabbets on the outer sides of the lug holes are used as positions to be machined, the boring bar capable of chamfering the orifice comprises a boring bar body, one end of the boring bar body is a connector, the connector is driven by a boring machine spindle in a connecting mode, the other end of the boring bar body is a blade mounting bar, chamfering blades are mounted on the blade mounting bar, close to the connector, and used for chamfering the positions to be machined, and boring blades are mounted on the blade mounting bar, far away from the connector, and used for boring the lug holes.
As a further technical scheme, a first mounting groove and a second mounting groove are formed in the blade mounting rod, the chamfering blade is fixedly mounted in the first mounting groove, and the cutting edge of the chamfering blade extends out of the first mounting groove; the second mounting groove is internally provided with a small knife rest, the small knife rest is radially fixed by a fixing screw along the blade mounting rod, the boring blade is fixedly arranged on the small knife rest, and the cutting edge of the boring blade extends out of the second mounting groove.
As a further technical scheme, the blade mounting rod is radially provided with a size fine adjustment screw, the size fine adjustment screw stretches into the second mounting groove and abuts against the small knife rest, and the size fine adjustment screw is used for radially adjusting the rotation diameter of the boring blade, so that the boring diameter is adjusted.
As a further technical scheme, the axial positioning screw is axially arranged on the small knife rest and is propped against the inner wall of the second mounting groove.
As a further technical scheme, the cutting edge angle of the chamfering blade is consistent with the chamfering drawing requirement of the to-be-machined part, and the chamfering size is adjusted by controlling the axial stroke of the boring bar body.
As a further technical scheme, the cutting edge angle of the chamfering blade is perpendicular to the blade mounting rod, so that a splitting blade is formed and is used for splitting planes on two sides of the earhole.
As a further technical scheme, a plurality of chamfer blades or a plurality of splitting blades are arranged on the blade mounting rod.
The beneficial effects of the utility model are as follows:
1. the blade mounting rod is close to the connector, a groove for mounting the chamfering blade is additionally arranged, after the blade is mounted, the angle of the cutting edge is consistent with the requirements of chamfering drawing to be processed, chamfering of the outer side of the earhole can be completed during boring, investment of chamfering equipment is reduced, production sites are reduced, and production efficiency is improved;
2. when boring, the size of the chamfer is adjusted by controlling the axial stroke of the boring bar body through the boring machine, so that the size of the chamfer meets the requirement of a product diagram, the boring process can be directly transferred to the next process, no special person is required to chamfer the outer side of the part, no extra labor cost is generated, and the machined chamfer is concentric with the earhole, and the product quality is good;
3. the size fine-tuning screw is convenient for radially adjusting the rotation diameter of the boring blade, so that the boring diameter is adjusted, the axial positioning screw plays a role in axially supporting and limiting the small tool rest, radial sliding of the boring blade during processing is avoided, and the processing stability is improved;
4. the chamfering blade can be replaced by a splitting blade, splitting of planes on two sides of the lug hole can be achieved, the number of the splitting blades or the chamfering blades can be multiple, and machining of the splitting or chamfering of the two sides of the lug hole is achieved simultaneously when boring is achieved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of a fork-like part in the present utility model.
Fig. 3 is a schematic structural diagram of the present utility model when processing.
Reference numerals illustrate: the boring cutter comprises a boring cutter blade 1, a small cutter rest 2, an axial positioning screw 3, a size fine adjustment screw 4, a fixing screw 5, a boring rod body 6, a connector 61, a cutter blade mounting rod 62, a first mounting groove 63, a second mounting groove 64, a chamfering cutter blade 7, a fork part 8, an earhole 9, a to-be-processed part 10 and a splitting cutter blade 11.
Detailed Description
The utility model will be described in detail below with reference to the attached drawings:
examples: as shown in fig. 1 to 3, the boring bar capable of chamfering the hole comprises a boring blade 1, a small tool rest 2, an axial positioning screw 3, a size fine adjusting screw 4, a fixing screw 5, a boring bar body 6, a connector 61, a blade mounting bar 62, a first mounting groove 63, a second mounting groove 64, a chamfering blade 7, a fork part 8, an ear hole 9, a to-be-processed part 10 and a splitting blade 11.
Referring to fig. 2, two sides of the fork-like part 8 are symmetrically provided with lug holes 9, the spigot on the outer side of each lug hole 9 is a to-be-processed part 10, and the drawing requirements of the to-be-processed part 10 are usually chamfer angles, and can also be split surface processing.
As shown in fig. 1, the right end of the boring bar body 6 is a connector 61, the boring bar body 6 is connected to a boring machine spindle through the connector 61, the boring bar body 6 is controlled to rotate by the boring machine spindle, the boring bar body 6 is fixed relative to the boring machine spindle, and the axial feeding of the boring bar body 6 is completed by the movement of a workbench below the boring bar body 6, namely, the workbench drives a fork part 8 to axially move relative to the boring bar body 6, so that feeding is realized. The left end of the boring bar body 6 is provided with a blade mounting rod 62, a first mounting groove 63 is formed in the blade mounting rod 62 near the connector 61, the chamfering blade 7 is fixedly mounted in the first mounting groove 63, the cutting edge of the chamfering blade 7 extends outwards from the first mounting groove 63, and chamfering processing of the to-be-processed part 10 can be realized by means of the chamfering blade 7. The second mounting groove 64 is formed in the position, away from the connector 61, of the blade mounting rod 62, the small knife rest 2 is radially fixed in the second mounting groove 64 through the fixing screw 5, the boring blade 1 is fixedly mounted on the small knife rest 2, the cutting edge of the boring blade 1 extends outwards from the second mounting groove 64, and boring processing of the position of the lug hole 9 is achieved through the boring blade 1.
As a preferred technical solution, the blade mounting rod 62 is provided with a size fine adjustment screw 4 along the radial direction, the bottom of the size fine adjustment screw 4 extends into the second mounting groove 64 and abuts against the small knife rest 2, and the rotation diameter of the boring blade 1 can be radially adjusted by screwing or unscrewing the size fine adjustment screw 4, so that the diameter of the boring position is adjusted. An axial positioning screw 3 is fixedly installed on the small tool rest 2 along the axial direction, the axial positioning screw 3 is propped against the inner wall of the second installation groove 64, and the axial supporting and limiting functions are achieved on the small tool rest 2, so that the boring blade 1 is ensured not to slide radially during processing, and the processing stability is improved.
As a further technical scheme, the cutting edge angle of the chamfering blade 7 is consistent with the chamfering drawing requirement of the to-be-machined part 10, and during chamfering, the chamfering size is adjusted by controlling the axial stroke of the boring bar body 6, and the workbench drives the fork part 8 to axially move relative to the boring bar body 6.
As an alternative technical solution, when the cutting edge angle of the chamfering blade 7 is arranged perpendicular to the blade mounting rod 62, the chamfering blade 7 becomes the splitting blade 11, and splitting processing of the planes on both sides of the ear hole 9 can be achieved. The boring machine is used for precisely controlling the numerical control of the feeding stroke, so that the symmetry of the two side planes and the vertical inner hole can be realized. Furthermore, the blade mounting rod 62 can be provided with a plurality of chamfering blades 7 or a plurality of splitting blades 11, so that the two sides of the earhole are split or chamfered during boring and the processing is finished simultaneously.
The working process of the utility model comprises the following steps: referring to fig. 3, during machining, a double-sided diamond boring machine is adopted, namely, two boring bars are respectively arranged on the left side and the right side of the fork part 8, the double-sided diamond boring machine firstly controls one boring bar to carry out rough boring, chamfering of the outer side of one lug hole is completed during rough boring, then the double-sided diamond boring machine continuously controls the other boring bar to carry out finish boring, chamfering of the outer side of the lug hole of the other side is completed during finish boring, and after one machining cycle of rough and finish boring, chamfering of the outer sides of the two lug holes is completed immediately. Because the boring and chamfering of the lug hole 9 are simultaneously carried out under the control of a boring bar, the concentricity of the chamfering of the finished product and the lug hole is better.
The boring bar provided by the utility model can finish chamfering of the outer side of the lug hole during boring, reduces the investment of one chamfering device, reduces the production field, accelerates the circulation of parts, can directly transfer to the next working procedure after boring, reduces the investment of personnel, does not need special people to chamfer the outer side of the parts, reduces the production cost, does not generate extra labor cost, improves the product quality, and ensures that the machined product chamfering and the lug hole have better concentricity.
It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present utility model should fall within the scope of the claims appended hereto.
Claims (8)
1. Boring bar that can drill way chamfer for processing fork class part (8), be equipped with earhole (9) on fork class part (8), the tang in earhole (9) outside is waiting to process department (10), its characterized in that: the boring machine comprises a boring bar body (6), wherein one end of the boring bar body (6) is a connector (61), the connector (61) is driven by a boring machine spindle in a connecting mode, the other end of the boring bar body (6) is a blade mounting rod (62), a chamfering blade (7) is mounted on the blade mounting rod (62) close to the connector (61) and used for chamfering a to-be-machined part (10), and a boring blade (1) is mounted on the blade mounting rod (62) away from the connector (61) and used for boring an ear hole (9).
2. The boring bar capable of chamfering an orifice as recited in claim 1, wherein: a first mounting groove (63) and a second mounting groove (64) are formed in the blade mounting rod (62), the chamfering blade (7) is fixedly mounted in the first mounting groove (63), and the cutting edge of the chamfering blade (7) extends out of the first mounting groove (63); the second mounting groove (64) is internally provided with the small knife rest (2), the small knife rest (2) is radially fixed by the fixing screw (5) along the knife blade mounting rod (62), the boring knife blade (1) is fixedly arranged on the small knife rest (2), and the cutting edge of the boring knife blade (1) extends out of the second mounting groove (64).
3. The boring bar capable of chamfering an orifice as recited in claim 2, wherein: the blade mounting rod (62) is provided with a size fine adjustment screw (4) along the radial direction, the size fine adjustment screw (4) stretches into the second mounting groove (64) and abuts against the small tool rest (2), and the size fine adjustment screw (4) is used for radially adjusting the rotation diameter of the boring blade (1), so that the boring diameter is adjusted.
4. A boring bar according to claim 3, wherein the boring bar is capable of chamfering an aperture: an axial positioning screw (3) is axially arranged on the small tool rest (2), and the axial positioning screw (3) is propped against the inner wall of the second mounting groove (64).
5. The boring bar capable of chamfering an orifice as recited in claim 4, wherein: the cutting edge angle of the chamfering blade (7) is consistent with the chamfering drawing requirement of the to-be-machined part (10), and the chamfering size is adjusted by controlling the axial stroke of the boring bar body (6).
6. The boring bar capable of chamfering an orifice as recited in claim 4, wherein: the cutting edge angle of the chamfering blade (7) is perpendicular to the blade mounting rod (62) to form a splitting blade (11) for splitting planes on two sides of the earhole (9).
7. The boring bar capable of chamfering an orifice as recited in claim 5, wherein: the blade mounting rod (62) is provided with a plurality of chamfering blades (7).
8. The boring bar capable of chamfering an orifice as recited in claim 6, wherein: the blade mounting rod (62) is provided with a plurality of splitting blades (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320339323.8U CN219683988U (en) | 2023-02-16 | 2023-02-16 | Boring bar capable of chamfering orifice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320339323.8U CN219683988U (en) | 2023-02-16 | 2023-02-16 | Boring bar capable of chamfering orifice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219683988U true CN219683988U (en) | 2023-09-15 |
Family
ID=87969757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320339323.8U Active CN219683988U (en) | 2023-02-16 | 2023-02-16 | Boring bar capable of chamfering orifice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219683988U (en) |
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2023
- 2023-02-16 CN CN202320339323.8U patent/CN219683988U/en active Active
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