CN113043022A - Double-sided deep hole drilling method and clamp for rotary body core - Google Patents
Double-sided deep hole drilling method and clamp for rotary body core Download PDFInfo
- Publication number
- CN113043022A CN113043022A CN202110516222.9A CN202110516222A CN113043022A CN 113043022 A CN113043022 A CN 113043022A CN 202110516222 A CN202110516222 A CN 202110516222A CN 113043022 A CN113043022 A CN 113043022A
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- drilling
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- body core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a double-sided deep hole drilling method and a fixture for a rotating body core, which comprises a first step of assembling the rotating body core and the fixture, a second step of machining the rotating body core, and a third step of machining the rotating body core; when holes of 2-phi 25 and 4-M12 on the a surface and holes of 3-phi 25 and 3-M12 on the b surface are drilled, the drilling template I and the drilling template double-sided drilling template are adopted, the positioning core is unified into the installation reference for double-sided deep hole drilling, the drilling template I and the drilling template double-sided drilling template are connected by the connecting pin, so that the clamping reference is unified and the machined surface is transited, the hole center position degree of the double-sided holes of the rotating body core is ensured, the machining quality is improved, the scrapping of the working procedure of the rotating body core is avoided, and the structure is simple and the operation is convenient.
Description
Technical Field
The invention relates to a double-sided deep hole drilling method and a clamp for a rotary body core, and belongs to the technical field of drilling processing.
Background
The rotating body core is an important part of a hydraulic oil circuit of the all-terrain vehicle, and a plurality of deep holes and external oil groove pipelines inside the rotating body core and a rotating shell installed outside the rotating body core form a circulating oil circuit. The deep hole processing of the two sides in the rotating body core needs to overcome the problems of heat dissipation, cutting removal, guiding, cooling and lubrication and the like, and the mutual positions of the two sides of the deep hole are strictly controlled to avoid that the oil circuit does not meet the design requirements due to the incorrect position of the aperture axis. In the past mode, the upper surface and the lower surface of a rotating body core are drilled by using a single drilling fixture, the clamping is performed twice, the clamping correction efficiency is low, the clamping reference of the clamping is not uniform twice, the intersecting line of an oil path drilled and processed easily deflects, and parts of the rotating body core are scrapped.
Disclosure of Invention
In order to solve the technical problem, the invention provides a double-sided deep hole drilling method and a clamp for a rotary body core.
The invention is realized by the following technical scheme.
The invention provides a method for completing a double-sided deep hole drilling clamp of a rotating body core, which comprises the following steps:
step one, assembling a rotating body core and a clamp: the small end of the rotating body core is matched with the concave surface of the second drilling template, the large end of the rotating body core is matched with the concave surface of the first drilling template, and the positioning core penetrates through the positioning core mounting hole of the first drilling template and then is matched with the positioning hole of the rotating body core to complete the position reference positioning of the rotating body core;
step two, processing the rotating body core: drilling a hole fit picture of the F surface 2-phi 25 through first drilling guide, drilling G1 threaded bottom holes with phi 30.5 for the holes with phi 25, reaming a stop opening fit picture for an orifice, tapping the fit picture, drilling two groups of 4-M12 holes through second drilling guide, tapping the threaded bottom holes with phi 10.2 for M12;
turning around, positioning and orienting by using a 2-phi 25 hole on the a surface, drilling a plan view of a b surface 3-phi 25 hole matching diagram through a third drilling drill, wherein the phi 25 hole expanded G1 threaded bottom hole is phi 30.5, reaming a stop opening matching diagram on an orifice, tapping, and drilling a 3-M12 threaded bottom hole by a fourth drilling guide drill, which is phi 10.2.
The invention relates to a double-sided deep hole drill clamp of a rotating body core, which comprises:
drilling a first template;
the through holes on two sides of the drill jig plate are installed and positioned with the through holes on one side of the drill jig plate through connecting pins;
the middle part of the first drilling template is a concave surface, two first drilling holes and positioning core mounting holes are arranged in the concave surface at intervals, four second drilling holes are arranged at the peripheries of the positioning core mounting holes and the first drilling holes, and positioning cores penetrate through the positioning core mounting holes and are sleeved with the positioning cores;
the middle part of the second drilling template is a concave surface, and three spaced third drilling holes and three spaced fourth drilling holes are formed in the concave surface.
And the drill bushing is arranged on the first drilling hole and provides protection for the hole wall of the first drilling hole.
And a drill bushing is arranged on the second drilling hole and provides protection for the hole wall of the second drilling hole.
The connecting pin is a step pin with a small lower part and a big upper part, and the big end of the upper part of the step pin is clamped with the second drill plate in a limiting way.
And a drill bushing is arranged on the third drilling hole and provides protection for the hole wall of the third drilling hole.
And a drill bushing is arranged on the fourth drilling hole and provides protection for the hole wall of the fourth drilling hole.
The invention has the beneficial effects that: when holes of 2-phi 25 and 4-M12 on the a surface and holes of 3-phi 25 and 3-M12 on the b surface are drilled, the drilling template I and the drilling template double-sided drilling template are adopted, the positioning core is unified into the installation reference for double-sided deep hole drilling, the drilling template I and the drilling template double-sided drilling template are connected by the connecting pin, so that the clamping reference is unified and the machined surface is transited, the hole center position degree of the double-sided holes of the rotating body core is ensured, the machining quality is improved, the scrapping of the working procedure of the rotating body core is avoided, and the structure is simple and the operation is convenient.
Drawings
FIG. 1 is a schematic view of the construction of the clamp of the present invention;
FIG. 2 is a schematic structural view of a fixture and rotor core mounting section of the present invention;
FIG. 3 is a schematic top view of a rotor core of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic view in the direction F of FIG. 3;
FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 3;
in the figure: 1-positioning the core; 2, drilling a first template; 21-a first bore; 22-a second bore; 23-positioning core mounting holes; 3-a rotor core; 5, drilling a second template; 51-a third bore; 52-fourth bore.
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 discloses a method for completing a double-sided deep hole drill clamp of a rotating body core, which comprises the following steps of:
step one, assembling a rotating body core and a clamp: the small end of the rotating body core 3 is matched with the concave surface of the second drilling template 5, the large end of the rotating body core 3 is matched with the concave surface of the first drilling template 2, and the positioning core 1 penetrates through the positioning core mounting hole 23 of the first drilling template 2 and then is matched with the positioning hole of the rotating body core 3 to complete the position reference positioning of the rotating body core 3;
step two, processing the rotating body core: guiding through a first drilling hole 21, drilling a hole matching picture of the F surface 2-phi 25, drilling G1 threaded bottom holes with phi 30.5 for the holes with phi 25, facing the hole opening to match the stop opening, tapping, guiding through a second drilling hole 22, drilling two groups of 4-M12 holes, and tapping with phi 10.2 for the threaded bottom holes with M12;
turning around, positioning and orienting by a 2-phi 25 hole on the a surface, drilling a 3-phi 25 hole matching picture on the b surface through a third drilling hole 51, drilling a phi 25 hole expanded G1 threaded bottom hole with the diameter of phi 30.5, reaming a stop opening of an orifice, tapping, and drilling a 3-M12 threaded bottom hole with the diameter of phi 10.2 through a fourth drilling hole 52 in a guiding way.
The equipment involved is as follows:
| drill bit | φ25 |
| Drill bit | φ10.2 |
| Screw tap | M12-H2 |
| Screw plug gauge | M12-6H |
| Drill bit | φ30.5 |
| Screw tap | G1 |
| Screw plug gauge | |
| Drill jig | |
| 1 | 117-732-148 |
| Drill jig II | 117-732-149 |
| Counter bit phi 42/phi 30.5 | Φ42/Φ30.5 |
| Counter bit phi 47/phi 30.5 | Φ47/Φ30.5 |
When holes are drilled in the A face 2-phi 25 and 4-M12 and the b face 3-phi 25 and 3-M12, a first drilling template 2 and a second drilling template 5 are adopted, the positioning core 1 is unified as an installation reference for double-face deep hole drilling, the first drilling template 2 and the second drilling template 5 are connected through a connecting pin 8, the upper and lower double-face drilling templates enable the clamping reference to be unified and the faces to be processed in a transition mode, the hole center position degree of the double-face holes of the rotating body core 3 is guaranteed, the processing quality is improved, the scrapping of the working procedure of the rotating body core is avoided, and the rotary body core drilling tool is simple in structure and convenient to operate.
The invention relates to a double-sided deep hole drill clamp of a rotating body core, which comprises:
drilling a first template 2;
a through hole on the side edge of the second drilling template 5 is installed and positioned with a through hole on the side edge of the first drilling template 2 through a connecting pin 8;
the middle part of the first drilling template 2 is a concave surface, two first drilling holes 21 and positioning core mounting holes 23 which are spaced are arranged in the concave surface, four second drilling holes 22 which are spaced are arranged at the peripheries of the positioning core mounting holes 23 and the first drilling holes 21, and the positioning cores 1 are sleeved in the positioning core mounting holes 23 in a penetrating mode;
the middle part of the second drilling template 5 is a concave surface, and three spaced third drilling holes 51 and three spaced fourth drilling holes 52 are formed in the concave surface.
The first drilling hole 21 is provided with a drill bushing, and the drill bushing provides protection for the hole wall of the first drilling hole 21.
The second bore hole 22 is provided with a drill bushing, and the drill bushing provides protection for the bore wall of the second bore hole 22.
The connecting pin 8 is a step pin with a small lower part and a large upper part, and the large end of the upper part of the step pin is limited and clamped with the second drilling template 5.
The third bore hole 51 is provided with a drill bushing, and the drill bushing provides protection for the bore wall of the third bore hole 51.
The fourth bore hole 52 is provided with a drill sleeve, and the drill sleeve provides protection for the bore wall of the fourth bore hole 52.
Claims (9)
1. A method for completing a double-sided deep hole drilling clamp of a rotating body core is characterized by comprising a first step of sequentially completing assembly of the rotating body core and the clamp, a second step of sequentially completing machining of the rotating body core.
2. The method of claim 1, wherein the method comprises the steps of: the step one, the assembly of the rotator core and the clamp comprises: the small end of the rotating body core (3) is matched with the concave surface of the second drilling template (5), the large end of the rotating body core (3) is matched with the concave surface of the first drilling template (2), and the positioning core (1) penetrates through the positioning core mounting hole (23) of the first drilling template (2) and then is matched with the positioning hole of the rotating body core (3), so that the position reference positioning of the rotating body core (3) is completed.
3. The method of claim 1, wherein the method comprises the steps of: step two, the machining of the rotating body core comprises the following steps: guiding through a first drilling hole (21), drilling a hole matching picture of the F towards the a surface by 2-phi 25, drilling G1 threaded bottom holes with phi 30.5 for the holes with phi 25, facing the hole opening, matching the stop opening, tapping, guiding through a second drilling hole (22), drilling two groups of 4-M12 holes, drilling M12 threaded bottom holes with phi 10.2, and tapping;
turning around, positioning and orienting 2-phi 25 holes on the a surface, drilling a 3-phi 25 hole matching picture on the b surface through a third drilling hole (51), drilling a 3-phi 25 hole matching picture on the b surface through a phi 25 hole expanding G1 thread bottom hole with the diameter of phi 30.5, tapping, guiding and drilling a 3-M12 thread bottom hole with the diameter of phi 10.2 through a fourth drilling hole (52), tapping, unifying positioning cores (1) to be an installation reference for double-sided deep hole drilling, and connecting a first drilling template (2) with a second drilling template (5) through a connecting pin (8) to enable the clamping reference to be unified and transition a machined surface.
4. A double-sided deep-hole drill jig of a rotary body core according to any one of claims 1 to 3, comprising: drilling a first template (2);
a through hole on the side edge of the second drilling template (5) is installed and positioned with the through hole on the side edge of the first drilling template (2) through a connecting pin 8;
the middle part of the first drilling template (2) is a concave surface, two first drilling holes (21) and positioning core mounting holes (23) are arranged in the concave surface at intervals, four second drilling holes (22) are arranged at the peripheries of the positioning core mounting holes (23) and the first drilling holes (21), and positioning cores (1) penetrate through and are sleeved in the positioning core mounting holes (23);
the middle part of the second drilling template (5) is a concave surface, and three spaced third drilling holes (51) and three spaced fourth drilling holes (52) are formed in the concave surface.
5. The double-sided deep-hole drill jig of the rotating body core according to claim 4, characterized in that: and a drill bushing is arranged on the first drill hole (21).
6. The double-sided deep-hole drill jig of the rotating body core according to claim 4, characterized in that: and a drill bushing is arranged on the second drilling hole (22).
7. The double-sided deep-hole drill jig of the rotating body core according to claim 4, characterized in that: the connecting pin 8 is a step pin with a small lower part and a big upper part.
8. The double-sided deep-hole drill jig of the rotating body core according to claim 4, characterized in that: and a drill bushing is arranged on the third drilling hole (51).
9. The double-sided deep-hole drill jig of the rotating body core according to claim 4, characterized in that: and a drill sleeve is arranged on the fourth drilling hole (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516222.9A CN113043022A (en) | 2021-05-12 | 2021-05-12 | Double-sided deep hole drilling method and clamp for rotary body core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516222.9A CN113043022A (en) | 2021-05-12 | 2021-05-12 | Double-sided deep hole drilling method and clamp for rotary body core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113043022A true CN113043022A (en) | 2021-06-29 |
Family
ID=76518465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110516222.9A Pending CN113043022A (en) | 2021-05-12 | 2021-05-12 | Double-sided deep hole drilling method and clamp for rotary body core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113043022A (en) |
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| CN212664983U (en) * | 2020-07-06 | 2021-03-09 | 宏源精工车轮股份有限公司 | Dual-purpose drill jig |
| CN112517982A (en) * | 2019-09-19 | 2021-03-19 | 湖北广奥减振器制造有限公司 | Pneumatic clamp for drilling of shock absorber |
| CN112719982A (en) * | 2020-12-24 | 2021-04-30 | 重庆工贸职业技术学院 | Double-sided drilling tool for machining fork-shaped parts |
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2021
- 2021-05-12 CN CN202110516222.9A patent/CN113043022A/en active Pending
Patent Citations (16)
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| US9969011B1 (en) * | 2011-08-22 | 2018-05-15 | Frank Marusiak | Vise fixture |
| CN102389989A (en) * | 2011-12-04 | 2012-03-28 | 南车洛阳机车有限公司 | Deep-hole drilling jig |
| CN202861850U (en) * | 2012-09-06 | 2013-04-10 | 江麓机电集团有限公司 | Fixture for shifting fork type metal part double-face drilling |
| CN204053581U (en) * | 2014-06-07 | 2014-12-31 | 邹玉清 | The clamp mechanism of horizontal type double-side Drilling and Boring Modular Machine |
| CN106552959A (en) * | 2015-09-24 | 2017-04-05 | 苏州恩威尔机械有限公司 | A kind of valve body boring grab and valve body production technology |
| CN205414500U (en) * | 2015-12-06 | 2016-08-03 | 江麓机电集团有限公司 | Tooling in processing inclined plane hole |
| CN108296529A (en) * | 2018-03-26 | 2018-07-20 | 安徽合力股份有限公司 | A kind of drilling jig gripper for brake drum drilling |
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| CN211360767U (en) * | 2019-09-19 | 2020-08-28 | 湖北广奥减振器制造有限公司 | Pneumatic clamp for drilling of shock absorber |
| CN112517982A (en) * | 2019-09-19 | 2021-03-19 | 湖北广奥减振器制造有限公司 | Pneumatic clamp for drilling of shock absorber |
| CN212443379U (en) * | 2020-05-27 | 2021-02-02 | 宏源精工车轮股份有限公司 | Drilling tool |
| CN212664983U (en) * | 2020-07-06 | 2021-03-09 | 宏源精工车轮股份有限公司 | Dual-purpose drill jig |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210629 |