CN112621295A - Annular part inclined hole machining method and device - Google Patents
Annular part inclined hole machining method and device Download PDFInfo
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- CN112621295A CN112621295A CN202011501407.4A CN202011501407A CN112621295A CN 112621295 A CN112621295 A CN 112621295A CN 202011501407 A CN202011501407 A CN 202011501407A CN 112621295 A CN112621295 A CN 112621295A
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- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a processing method and a processing device for an inclined hole of an annular part.A circumferential positioning hole of a tool and a circumferential positioning hole of the part are correspondingly positioned and inserted into a quick-change positioning pin for limiting; the pressing plate is fixed on the positioning plate through screws and then compresses and limits the circumferential end face of the annular part; the main shaft drives the drill bit to rotate, extend downwards and guide into the drill bushing, and then an inclined hole to be processed is processed; after the processing is finished; loosening the screw on the pressing plate in the operation step, taking out the quick-change positioning pin, and rotating the annular part to enable another tool circumferential positioning hole in the positioning plate to correspond to another part circumferential positioning hole in the annular part; processing another inclined hole; loosening the screw of the pressing plate to ensure that the pressing plate rotates; the single drill bit is used, so that the cost caused by maintenance and processing of the drill bit is reduced, the problem that the production cost of the short drill bit and the long drill bit is high is solved, the short drill bit and the long drill bit do not need to be switched to be aligned again, the production efficiency is improved, and the batch production is facilitated.
Description
Technical Field
The invention relates to a method and a device for processing an inclined hole of an annular part, and belongs to the technical field of auxiliary equipment for processing parts.
Background
When two inclined holes of a certain part are machined, the part is machined as shown in figures 1 to 2, and the adopted machining methods mainly comprise three machining methods, namely, machining after clamping and aligning by using a universal dividing head for a seat mark boring machine or a horizontal boring machine; secondly, clamping, aligning and then processing by using a 3+2 vertical processing center; and thirdly, clamping, aligning and then processing by using a five-axis processing center. The three processing steps are as follows: clamping and aligning a workpiece; aligning the zero point of the workpiece and rotating the workbench to the workpiece processing position; milling an inclined plane into a counter bore by using an end mill with the diameter of the hole to be processed being not more than 0.1mm, wherein the area of the bottom surface of the counter bore is not less than 80% of the theoretical area; positioning a central drill; drilling a guide hole by using a short drill bit; drilling by changing the length of the drill; and (5) trimming burrs generated by processing the orifice. Because two drill bits, namely a short drill bit and a long drill bit, need to be used, the cost brought by the maintenance and the processing of the drill bits is increased, when the short drill bit and the long drill bit are switched, the realignment is needed, and the mass production is not facilitated.
Disclosure of Invention
In order to solve the technical problem, the invention provides a method and a device for processing an inclined hole of an annular part.
The invention also provides a processing device.
The invention is realized by the following technical scheme.
The invention provides a method for processing an inclined hole of an annular part, which comprises the following steps:
operation step 1: the processing device is fixed on a drilling machine workbench through base clamping;
and 2, operation step: the bottom surface positioning hole is sleeved with the outer ring bulge;
and 3, processing: rotating the annular part, correspondingly positioning the tool circumferential positioning hole and the part circumferential positioning hole, and inserting the quick-change positioning pin for limiting;
and 4, operation step: the pressing plate is fixed on the positioning plate through screws and then compresses and limits the circumferential end face of the annular part;
and (5) operation: starting a drilling machine, driving a drill bit to rotate by a main shaft, extending downwards and guiding the drill bit into a drill bushing, and then processing an inclined hole to be processed;
and 6, an operation step: after the machining is finished, the main shaft of the drilling machine and the drill bit rotate to shrink upwards and stop rotating, and the drill bit is separated from the inclined hole to be machined;
operation step 7: loosening the screw on the pressing plate in the operation step, taking out the quick-change positioning pin, and rotating the annular part to enable another tool circumferential positioning hole in the positioning plate to correspond to another part circumferential positioning hole in the annular part;
and operation step 8: executed according to operation step 4;
operation step 9: processing another inclined hole according to the operation step 5;
operation step 10: executed according to operation step 6;
operation step 11: loosening the screws of the pressing plate in the operation step 4 to ensure that the pressing plate rotates;
operation step 12: taking down the annular part;
operation step 13: and (4) trimming the burr of the hole generated by processing.
The processing device used in the method for processing the inclined hole of the annular part comprises the following steps: the tool circumferential positioning holes are arranged on the positioning plate at intervals and correspond to the part circumferential positioning holes on the annular part, and quick-change positioning pins are arranged in the tool circumferential positioning holes; the positioning plate is fixed with a positioning seat, and the positioning seat is provided with a guide through hole.
The invention has the beneficial effects that: after the inclined hole to be machined of one annular part is machined, the annular part is rotated, another tool circumferential positioning hole in the positioning plate corresponds to another part circumferential positioning hole of the annular part, the quick-change positioning pin is inserted to perform limiting once again, the drill bit completes machining of the inclined hole to be machined of another annular part under the guiding action of the guiding through hole, the quick-change positioning pin is inserted to perform limiting in correspondence of the tool circumferential positioning hole and the part circumferential positioning hole, two inclined holes to be machined are rapidly machined, only one drill bit is used, the cost caused by maintenance and machining of the drill bit is reduced, the problem that the production cost of the short drill bit and the production cost of the long drill bit are high is solved, the short drill bit and the long drill bit do not need to be switched to be realigned, the production efficiency is improved, and the mass production is.
Drawings
FIG. 1 is a schematic view of a rotating annular part;
FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 3 is a view showing a state of use of the present invention without the base installed;
FIG. 4 is a cross-sectional view of the non-basic use of FIG. 3;
FIG. 5 is a schematic view of a locating plate of the present invention;
fig. 6 is a schematic sectional view taken along line a-a in fig. 5.
In the figure: 1-inclined supporting plate; 2, positioning a plate; 21-positioning a circumferential positioning hole of the tool; 22-outer ring projection; 3-positioning seats; 31-a guide through hole; 32-a drill bushing; 4-quick-change positioning pin; 50-rotating the annular part; 51-part circumferential positioning holes; 52-inclined holes to be processed; 53-bottom positioning holes; 6-a pressing component; 61-a platen; 7-a base; 8-adjusting the gasket.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
See fig. 1-6.
The invention relates to a method for processing an inclined hole of an annular part, which comprises the following steps:
operation step 1: the processing device is clamped and fixed on a drilling machine workbench through a base 7;
and 2, operation step: the bottom positioning hole 53 is sleeved with the outer ring bulge 22;
and 3, processing: rotating the annular part 50, correspondingly positioning the tool circumferential positioning hole 21 and the part circumferential positioning hole 51, and inserting the quick-change positioning pin 4 for limiting;
and 4, operation step: the pressing plate 61 is fixed on the positioning plate 2 through screws and then compresses and limits the circumferential end face of the annular part 50;
and (5) operation: starting the drilling machine, and processing an inclined hole 52 to be processed after the main shaft drives the drill bit to rotate and extend downwards to be guided into the drill bushing 32;
and 6, an operation step: after the machining is finished, the main shaft of the drilling machine and the drill bit rotate to shrink upwards and stop rotating, and the drill bit is separated from the inclined hole 52 to be machined;
operation step 7: loosening the screw on the pressure plate 61 in the operation step 4, taking out the quick-change positioning pin 4, and rotating the annular part 50 to enable the other tool circumferential positioning hole 21 on the positioning plate 2 to correspond to the other part circumferential positioning hole 51 of the annular part 50;
and operation step 8: executed according to operation step 4;
operation step 9: processing another inclined hole according to the operation step 5;
operation step 10: executed according to operation step 6;
operation step 11: loosening the screw of the pressure plate 61 in the operation step 4, and rotating the pressure plate 61 by 90 degrees;
operation step 12: removing the annular part 50;
operation step 13: and (4) trimming the burr of the hole generated by processing.
The single drill bit is used, so that the cost caused by maintenance and processing of the drill bit is reduced, the problem that the production cost of the short drill bit and the long drill bit is high is solved, the short drill bit and the long drill bit do not need to be switched to be aligned again, the production efficiency is improved, and the batch production is facilitated.
Referring to fig. 3 to 6, the processing apparatus used in the method for processing an inclined hole of an annular part includes: the tool comprises an inclined supporting plate 1, wherein an inclined surface is arranged on the inclined supporting plate 1, a positioning plate 2 is fixed on the inclined surface of the inclined supporting plate 1, two tool circumferential positioning holes 21 which are spaced and correspond to part circumferential positioning holes 51 on an annular part 50 are arranged on the positioning plate 2, and quick-change positioning pins 4 are arranged in the tool circumferential positioning holes 21; a positioning seat 3 is fixed on the positioning plate 2, and a guiding through hole 31 is arranged on the positioning seat 3 from top to bottom.
When the annular part 50 is sleeved outside the positioning seat 3, one tool circumferential positioning hole 21 on the positioning plate 2 corresponds to one part circumferential positioning hole 51 of the annular part 50, and the quick-change positioning pin 4 is inserted for limiting; after the drill finishes processing the inclined hole 52 to be processed of one annular part 50 under the guiding action of the guiding through hole 31, the drill is retracted into the guiding through hole 31 from the upper stage, the quick-change positioning pin 4 is pulled out, the annular part 50 is rotated to enable the other tool circumferential positioning hole 21 on the positioning plate 2 to correspond to the other part circumferential positioning hole 51 of the annular part 50, the quick-change positioning pin 4 is inserted for limiting again, the drill finishes processing the inclined hole 52 to be processed of the other annular part 50 under the guiding action of the guiding through hole 31, the quick-change positioning pin 4 is inserted for limiting in the correspondence between the tool circumferential positioning hole 21 and the part circumferential positioning hole 51, so that the processing of the two inclined holes 52 to be processed is finished rapidly, only one drill is used, the cost brought by drill maintenance and processing is reduced, the problem that the production cost of a short drill and a long drill is high is solved, and the realignment of the short drill and the long drill, the production efficiency is improved, and the batch production is facilitated.
The surface of the positioning seat 3 at the top of the guide through hole 31 is a plane, so that the drill bit can be conveniently and quickly positioned and stretched into the positioning seat.
The positioning seat 3 is close to the outer ring protrusion 22 extending towards the periphery of the positioning plate 2, the bottom positioning hole 53 of the annular part 50 is sleeved on the outer ring protrusion 22 for positioning and limiting, when the rotating annular part 50 is displaced, the rotating annular part 50 rotates around the outer ring protrusion 22 without moving, and the rotating stability of the annular part 50 is improved.
The positioning plate 2 is provided with an avoiding groove 23 for avoiding collision between the drill and the positioning plate 2, and after the drill finishes processing the inclined hole 52 to be processed from the guide through hole 31, the drill extends into the avoiding groove 23 and does not collide with the positioning plate 2.
The drill sleeve 32 is arranged in the guide through hole 31 in an interference nesting or threaded screwing mode, the interference magnitude is guaranteed to be 0.01-0.03mm during interference fit, the drill sleeve 32 provides guidance and protection for the extension and retraction of the drill bit, the drill bit is prevented from colliding with the side wall of the guide through hole 31 to be abraded, the abrasion is prevented from being transferred to the drill sleeve 32, and the service life of the positioning seat 3 is prolonged.
Install adjusting shim 8 between backup pad 1 and the locating plate 2 contact surface to one side, through adjusting shim 8, guarantee that the straightness that hangs down of the central line of drill bushing 32 and backup pad 1 bottom surface is not more than 0.03 to one side.
The pressing device further comprises two groups of pressing components 6 which are fixedly arranged on the positioning plate 2, press and limit the circumferential end face of the annular part 50 and are distributed diagonally at intervals.
The pressing assembly 6 comprises a pressing plate 61 and a screw for fixing the pressing plate on the positioning plate 2, and the pressing plate 61 is fixed on the positioning plate 2 through the screw and then used for pressing and limiting the circumferential end face of the annular part 50; the pressure plate 61 is provided with a slide hole, and the slide hole of the pressure plate 61 is guided by a screw to slide and adjust the position of contact with the annular part 50.
Still include the base 7 that carries out the clamping with the drilling machine workstation, base 7 is fixed through screw and 1 bottom surface of fagging to one side, and fagging 1 is fixed through screw and locating plate 2 to one side, be equipped with the recess on the locating plate 2, inlay in the recess through screw and locating plate 2 fixed connection in the 3 bottoms of positioning seat.
Claims (10)
1. A method for processing an inclined hole of an annular part is characterized by comprising the following steps:
operation step 1: the processing device is clamped and fixed on a drilling machine workbench through a base (7); and 2, operation step: the bottom positioning hole (53) is sleeved with the outer ring bulge (22); and 3, processing: rotating the annular part (50), correspondingly positioning the tool circumferential positioning hole (21) and the part circumferential positioning hole (51), and inserting the tool circumferential positioning hole into the quick-change positioning pin (4) for limiting; and 4, operation step: the pressing plate (61) is fixed on the positioning plate (2) through screws and then compresses and limits the circumferential end surface of the annular part (50); and (5) operation: starting a drilling machine, driving a drill bit to rotate by a main shaft, extending downwards and guiding the drill bit into a drill bushing (32), and then processing an inclined hole (52) to be processed; and 6, an operation step: after the machining is finished, the main shaft of the drilling machine and the drill bit rotate to shrink upwards and stop rotating, and the drill bit is separated from the inclined hole (52) to be machined; operation step 7: loosening the screw on the pressure plate (61) in the operation step (4), taking out the quick-change positioning pin (4), and rotating the annular part (50) to enable another tool circumferential positioning hole (21) in the positioning plate (2) to correspond to another part circumferential positioning hole (51) in the annular part (50); and operation step 8: executed according to operation step 4; operation step 9: processing another inclined hole according to the operation step 5; operation step 10: executed according to operation step 6; operation step 11: loosening the screw of the pressure plate (61) in the operation step 4, and rotating the pressure plate (61) for 90 degrees; operation step 12: removing the annular part (50); operation step 13: and (4) trimming the burr of the hole generated by processing.
2. A machining apparatus used in the method of machining an inclined hole in an annular part according to claim 1, comprising: the tool is characterized by comprising a diagonal support plate (1), wherein an inclined surface is arranged on the diagonal support plate (1), a positioning plate (2) is fixed on the inclined surface of the diagonal support plate (1), two tool circumferential positioning holes (21) which are spaced and correspond to part circumferential positioning holes (51) in an annular part (50) are arranged on the positioning plate (2), and quick-change positioning pins (4) are arranged in the tool circumferential positioning holes (21); the positioning plate (2) is fixed with a positioning seat (3), and the positioning seat (3) is provided with a guide through hole (31).
3. The processing apparatus as set forth in claim 2, wherein: the positioning seat (3) is close to the positioning plate (2), the outer ring protrusion (22) extends towards the periphery and is sleeved with the bottom positioning hole (53) of the annular part (50), and when the rotating annular part (50) shifts, the rotating annular part (50) rotates around the outer ring protrusion (22).
4. The processing apparatus as set forth in claim 2, wherein: the positioning plate (2) is provided with an avoiding groove (23) for avoiding collision between the drill bit and the positioning plate (2), and the drill bit extends into the avoiding groove (23) after the inclined hole (52) to be processed is processed.
5. The processing apparatus as set forth in claim 2, wherein: and a drill bush (32) is arranged in the guide through hole (31) in an interference nesting or threaded screwing manner.
6. The processing apparatus as set forth in claim 2, wherein: install adjusting shim (8) between faying face of fagging (1) and locating plate (2) to one side, through adjusting shim (8), guarantee the straightness that hangs down of the central line of drill bushing (32) and fagging (1) bottom surface to one side.
7. The processing apparatus as set forth in claim 1, wherein: the pressing device is characterized by further comprising two groups of pressing assemblies (6) which are fixedly arranged on the positioning plate (2) and used for pressing and limiting the circumferential end face of the annular part (50) at intervals and distributed diagonally.
8. The processing apparatus as set forth in claim 7, wherein: the pressing assembly (6) comprises a pressing plate (61) and a screw for fixing the pressing plate on the positioning plate (2); the pressing plate (61) is provided with a sliding hole which is adjusted in a sliding mode by taking a screw as a guide.
9. The processing apparatus as set forth in claim 2, wherein: the base (7) is clamped with the drilling machine workbench, the base (7) is fixed to the bottom surface of the inclined supporting plate (1) through screws, and the inclined supporting plate (1) is fixed to the positioning plate (2) through screws.
10. The processing apparatus as set forth in claim 9, wherein: the positioning plate (2) is provided with a groove, and the bottom of the positioning seat (3) is embedded in the groove and fixedly connected with the positioning plate (2) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011501407.4A CN112621295A (en) | 2020-12-17 | 2020-12-17 | Annular part inclined hole machining method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011501407.4A CN112621295A (en) | 2020-12-17 | 2020-12-17 | Annular part inclined hole machining method and device |
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| Publication Number | Publication Date |
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| CN112621295A true CN112621295A (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011501407.4A Pending CN112621295A (en) | 2020-12-17 | 2020-12-17 | Annular part inclined hole machining method and device |
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| CN (1) | CN112621295A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029530A (en) * | 2021-11-19 | 2022-02-11 | 沈阳航天新光集团有限公司 | Processing clamp for circumferential inclined holes of measuring surface |
| CN114226779A (en) * | 2021-12-11 | 2022-03-25 | 贵州凯星液力传动机械有限公司 | Machining method for small hole with long overhang depth eccentric step |
| CN115415758A (en) * | 2022-08-03 | 2022-12-02 | 宁波南方塑料模具有限公司 | Machining method of automotive upholstery tooling mold |
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| CN111112685A (en) * | 2020-01-22 | 2020-05-08 | 福州万德电气有限公司 | Anti-reverse disc inclined hole drilling tool and machining method thereof |
| CN211638451U (en) * | 2020-02-20 | 2020-10-09 | 山东豪迈机械制造有限公司 | Tool for machining inclined holes on inclined surfaces of workpieces |
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| CN203791668U (en) * | 2013-12-27 | 2014-08-27 | 大连瑞谷科技有限公司 | Inner diameter drilling process device of hydraulic power steering gear valve body |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029530A (en) * | 2021-11-19 | 2022-02-11 | 沈阳航天新光集团有限公司 | Processing clamp for circumferential inclined holes of measuring surface |
| CN114226779A (en) * | 2021-12-11 | 2022-03-25 | 贵州凯星液力传动机械有限公司 | Machining method for small hole with long overhang depth eccentric step |
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| CN115415758A (en) * | 2022-08-03 | 2022-12-02 | 宁波南方塑料模具有限公司 | Machining method of automotive upholstery tooling mold |
| CN115415758B (en) * | 2022-08-03 | 2024-04-02 | 宁波南方塑料模具有限公司 | Processing method of automotive interior part tooling die |
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