CN112427682B - High-precision radial hole machining method - Google Patents
High-precision radial hole machining method Download PDFInfo
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- CN112427682B CN112427682B CN202011216061.3A CN202011216061A CN112427682B CN 112427682 B CN112427682 B CN 112427682B CN 202011216061 A CN202011216061 A CN 202011216061A CN 112427682 B CN112427682 B CN 112427682B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/14—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines with special provision to enable the machine or the drilling or boring head to be moved into any desired position, e.g. with respect to immovable work
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
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Abstract
The invention discloses a high-precision radial hole machining device and a high-precision radial hole machining method. The high-precision radial hole machining device and the machining method can machine high-precision radial holes without a machine tool, are simple and reasonable in structure, convenient to manufacture, low in product cost and convenient to maintain, improve machining efficiency, and meanwhile realize machining of radial holes with different angles through the positioning grooves with different angles preset on the base.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a high-precision radial hole machining method.
Background
Some oil return holes are usually designed in some large-scale gear box bearing holes, and oil for lubricating the bearing flows back to the gear box through the radial oil return holes and the axial oil return holes in sequence. When the oil return hole is machined, the correct position and angle of the oil return hole are required to be ensured, and the communication between the axial oil return hole and the radial oil return hole is ensured, otherwise, the oil return quantity is influenced, and further, the temperature of the bearing is overhigh. Typically, the axial oil return holes may be machined using an angle head when machining the bearing bore. However, the radial oil return hole is limited by the size of the bearing hole, and the gear box is usually disassembled and then machined on a machine tool for the second time, so that the production efficiency is seriously reduced.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention provides a high-precision radial hole processing method, wherein a high-precision radial hole processing device is used to process a high-precision radial hole, the high-precision radial hole processing device includes a base, a sliding block, a positioning block, and a drill bit, a first positioning groove is provided on an end surface of the base, a first boss is provided on a bottom surface of the sliding block, the first positioning groove and the first boss are matched with each other, a second positioning groove is provided on an end surface of the sliding block, a second boss is provided on a bottom surface of the positioning block, the second positioning groove and the second boss are matched with each other, the base is in a semi-annular shaft shape, a semi-flange is welded on one side of the base, and a plurality of threaded holes are provided on a flange plane, wherein the high-precision radial hole processing method includes the following steps:
s1: fixedly connecting a threaded hole on a flange plane of the base with a machined part through a bolt;
s2: the second boss on the bottom surface of the positioning block is matched with the second positioning groove on the end surface of the sliding block, so that the positioning block can freely slide on the end surface of the sliding block, and the positioning block and the sliding block are positioned mutually;
s3: the drill bit is arranged on the end face of the positioning block, and the positioning block drives the drill bit to freely slide on the end face of the sliding block;
s4: the first boss on the bottom surface of the sliding block is matched with the first positioning groove on the end surface of the base, so that the sliding block drives the positioning block and the drill bit to freely slide on the end surface of the base, and the sliding block is positioned on the end surface of the base;
s5: adjusting the position of the sliding block, selecting a required punching position, and fixing the sliding block on the base through a positioning hole on the base by a bolt;
s6: and adjusting the position of the positioning block, and after finely adjusting the drilling position of the drill bit, drilling a radial hole on the machining part by the drill bit.
Preferably, in the above high-precision radial hole processing method, a plurality of positioning holes are arranged at positions of the base where the sliding blocks are installed, a plurality of first positioning grooves with different angles are pre-processed on the base, when the radial holes with different angles need to be processed, bolts in the positioning holes are firstly unscrewed, the base is separated from the sliding blocks, then the sliding blocks are installed in other first positioning grooves corresponding to the required angles on the base, the positions of the sliding blocks and the positioning blocks are adjusted, the required drilling positions are selected, the sliding blocks and the base are fixed, and the drill bits are used for drilling the radial holes in the processed parts.
Preferably, in the above-described high-precision radial hole machining method, the drill is a magnetic drill that is attached to the end face of the positioning block by electromagnetic attraction.
The high-precision radial hole machining method can machine high-precision radial holes without a machine tool, is simple and reasonable in structure, convenient to manufacture, low in product cost and convenient to maintain, improves machining efficiency, and meanwhile realizes machining of radial holes with different angles through the positioning grooves with different angles preset on the base.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a high-precision radial hole machining apparatus used in the high-precision radial hole machining method of the present invention.
Fig. 2 is a schematic view of another angle configuration of the high-precision radial hole drilling apparatus used in the high-precision radial hole drilling method of the present invention.
Description of reference numerals: 1-base, 2-drill bit, 3-sliding block, 4-positioning block, 4.1-second boss, 5-first positioning groove, 6-second positioning groove and 7-positioning hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the high-precision radial hole machining apparatus used in the high-precision radial hole machining method of the present invention includes a base 1, a drill 2, a slide block 3, and a positioning block 4. Install sliding block 3 on base 1's the terminal surface, wherein be equipped with first constant head tank 5 on base 1's the terminal surface, be equipped with first boss (not shown) on sliding block 3's the bottom surface, first constant head tank 5 mutually supports with first boss. In order to improve the accuracy of the machining position of the radial hole, a positioning block 4 is installed on the end face of the sliding block 3, wherein a second positioning groove 6 is formed in the end face of the sliding block 3, a second boss 4.1 is arranged on the bottom face of the positioning block 4, and the second positioning groove 6 is matched with the second boss 4.1. The length of the positioning block 4 is smaller than that of the sliding block 3, and the drill bit 2 is installed on the end face of the positioning block 4.
Preferably, in order to facilitate the connection between the high-precision radial hole machining device used in the high-precision radial hole machining method of the present invention and the machined part, the base 1 is formed in a semi-annular shaft shape, and a semi-flange is fixedly welded to one side of the semi-annular shaft, wherein a plurality of threaded holes matched with the machined part are formed on a flange plane.
Preferably, the drill bit 2 is a magnetic drill, the magnetic drill is adsorbed on the positioning block 4 through electromagnetic force, and the fixing is carried out without other connecting modes, so that the operation is convenient and fast.
Preferably, the base 1 is provided with a plurality of positioning holes 7 at the positions where the sliding blocks 3 are installed, and the sliding blocks 3 are fixed to the base 1 through the positioning holes 7 by bolts.
Preferably, the base 1 can be pre-machined with a plurality of first positioning grooves 5 with different angles, i.e. radial holes with different angles can be machined.
The high-precision radial hole machining method comprises the following steps:
s1: fixedly connecting a threaded hole on a flange plane of the base 1 with a machined part through a bolt;
s2: the second boss 4.1 on the bottom surface of the positioning block 4 is matched with the second positioning groove 6 on the end surface of the sliding block 3, so that the positioning block 4 can freely slide on the end surface of the sliding block 3, and the positioning block 4 and the sliding block 3 are positioned mutually;
s3: adsorbing the drill bit 2 to the end face of the positioning block 4, and driving the drill bit 2 to freely slide on the end face of the sliding block 3 by the positioning block 4;
s4: the first boss on the bottom surface of the sliding block 3 is matched with the first positioning groove 5 on the end surface of the base 1, so that the sliding block 3 can drive the positioning block 4 and the drill bit 2 to freely slide on the end surface of the base 1, and the sliding block 3 is positioned on the end surface of the base 1;
s5: adjusting the position of the sliding block 3, selecting a required punching position, and fixing the sliding block 3 on the base 1 through a positioning hole 7 on the base 1 by a bolt;
s6: and adjusting the position of the positioning block 4, finely adjusting the drilling position of the drill bit 2, and drilling a radial hole on the machined part by the drill bit 2.
Preferably, when the radial holes with different angles need to be processed, the bolts in the positioning holes 7 are firstly unscrewed, the base 1 and the sliding block 3 are separated, then the sliding block 3 is installed on the other first positioning grooves 5 corresponding to the required angles on the base 1, the positions of the sliding block 3 and the positioning block 4 are adjusted, the required drilling position is selected, the sliding block 3 and the base 1 are fixed, and the drill bit 2 is used for drilling the radial holes in the processed parts.
The high-precision radial hole machining method can machine high-precision radial holes without a machine tool, is simple and reasonable in structure, convenient to manufacture, low in product cost and convenient to maintain, improves machining efficiency, and meanwhile realizes machining of radial holes with different angles through the positioning grooves with different angles preset on the base.
It is to be noted that, in this document, the term "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion, so that an article or an apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Meanwhile, the term "connected" and the like as used herein should be broadly interpreted as referring to a fixed connection, a detachable connection, a direct connection, or an indirect connection through intermediate components. In addition, "front", "rear", "left", "right", "upper", "lower", "inner", "outer", "top", "bottom", and the like herein are referred to as the state of being placed as shown in the drawings.
It should be further noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or alterations do not depart from the spirit of the invention.
Claims (3)
1. A high-precision radial hole machining method is used for machining a high-precision radial hole, and comprises a base, a sliding block, a positioning block and a drill bit, wherein a first positioning groove is formed in the end face of the base, a first boss is arranged on the bottom face of the sliding block, the first positioning groove and the first boss are matched with each other, a second positioning groove is formed in the end face of the sliding block, a second boss is arranged on the bottom face of the positioning block, the second positioning groove and the second boss are matched with each other, the base is in a semi-annular shaft shape, a semi-flange plate is welded on one side of the base, and a plurality of threaded holes are formed in the flange plane, and the high-precision radial hole machining method is characterized by comprising the following steps:
s1: fixedly connecting a threaded hole on a flange plane of the base with a machined part through a bolt;
s2: the second boss on the bottom surface of the positioning block is matched with the second positioning groove on the end surface of the sliding block, so that the positioning block can freely slide on the end surface of the sliding block, and the positioning block and the sliding block are positioned mutually;
s3: the drill bit is arranged on the end face of the positioning block, and the positioning block drives the drill bit to freely slide on the end face of the sliding block;
s4: the first boss on the bottom surface of the sliding block is matched with the first positioning groove on the end surface of the base, so that the sliding block drives the positioning block and the drill bit to freely slide on the end surface of the base, and the sliding block is positioned on the end surface of the base;
s5: adjusting the position of the sliding block, selecting a required punching position, and fixing the sliding block on the base through a positioning hole on the base by a bolt;
s6: and adjusting the position of the positioning block, and after finely adjusting the drilling position of the drill bit, drilling a radial hole on the machining part by the drill bit.
2. The method as claimed in claim 1, wherein a plurality of positioning holes are formed at positions of the base where the sliding blocks are installed, a plurality of first positioning grooves with different angles are pre-formed in the base, when the radial holes with different angles are to be machined, the bolts in the positioning holes are unscrewed to separate the base from the sliding block, the sliding block is then mounted in the other first positioning grooves corresponding to the required angles on the base, the positions of the sliding block and the positioning blocks are adjusted, the required drilling position is selected, the sliding block and the base are fixed, and the drill bit drills the radial holes in the machined part.
3. The method of claim 1, wherein the drill is a magnetic drill that is attached to the end face of the locating piece by electromagnetic attraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011216061.3A CN112427682B (en) | 2020-11-04 | 2020-11-04 | High-precision radial hole machining method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011216061.3A CN112427682B (en) | 2020-11-04 | 2020-11-04 | High-precision radial hole machining method |
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| Publication Number | Publication Date |
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| CN112427682A CN112427682A (en) | 2021-03-02 |
| CN112427682B true CN112427682B (en) | 2022-03-01 |
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| CN202011216061.3A Active CN112427682B (en) | 2020-11-04 | 2020-11-04 | High-precision radial hole machining method |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2825623B2 (en) * | 1990-07-23 | 1998-11-18 | 富士重工業株式会社 | Drilling unit for assembly robot |
| WO2016161969A1 (en) * | 2015-04-10 | 2016-10-13 | 嘉兴川页奇精密自动化机电有限公司 | High-precision two-part flat chuck device and processing apparatus installed therewith |
| CN106493400A (en) * | 2015-09-08 | 2017-03-15 | 天津兴船重机装备有限公司 | Drilling machine based on telescopic boring positioning pin |
| CN106563959B (en) * | 2016-10-28 | 2019-07-30 | 马鞍山市晨旭机械制造有限公司 | Clamping tooling is turned round in multi-angle milling |
| CN209094596U (en) * | 2018-10-15 | 2019-07-12 | 永州市精信源科技有限公司 | A kind of hardware multi-directional drilling device |
| CN109759614B (en) * | 2019-03-30 | 2019-11-05 | 上海美客铝制品有限公司 | A kind of multi-angle adjustable drilling lathe |
| CN210132089U (en) * | 2019-07-15 | 2020-03-10 | 安徽忠盛新型装饰材料有限公司 | Drilling device with tapping function for drill bit replacement type hardware |
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