CN113909812A - Machining method of slideway counter bore - Google Patents
Machining method of slideway counter bore Download PDFInfo
- Publication number
- CN113909812A CN113909812A CN202111177806.4A CN202111177806A CN113909812A CN 113909812 A CN113909812 A CN 113909812A CN 202111177806 A CN202111177806 A CN 202111177806A CN 113909812 A CN113909812 A CN 113909812A
- Authority
- CN
- China
- Prior art keywords
- slide way
- positioning
- hole
- counter bore
- slideway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
-
- 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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention discloses a method for processing a slideway counter bore, which comprises the following steps: s1, performing finish machining on the excircle of the cylindrical slide way blank, and then drilling a through hole on the cylinder wall of the slide way blank, wherein the axis of the through hole passes through the axial center line of the slide way blank; s2, splitting the slide way blank along the axial direction to obtain a plurality of slide way single bodies with arc-shaped cross sections, wherein the two ends of each slide way single body, which are close to one side edge, are provided with positioning holes; s3, the slide way monomer is pressed and fixed on a workbench of the vertical milling machine through a clamp, the clamp comprises a positioning block and a pressing component, the positioning block is provided with a positioning surface matched with the excircle of the slide way monomer, the mounting surface of the positioning block, which is opposite to the positioning surface, is attached to the surface of the workbench, and the positioning block is provided with a positioning pin at a position corresponding to the positioning hole; and S4, milling the position of the inner circle of the slide way monomer corresponding to the through hole to form a counter bore large-diameter section communicated with the through hole by taking the through hole as a reference hole. The processing quality of the slideway counter bore can be ensured, and the processing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of processing of a slide way of petroleum machinery, in particular to a method for processing a counter bore of a slide way.
Background
The slideway is an important part in the petroleum mechanical equipment, the counter bore of the slideway corresponding to the screw hole of the machine base can be changed along with the screw hole of the machine base, and the counter bore at the inner hole of the slideway is vertical to the inner hole, so the slideway can be processed after being cut open. At present, the counter bore of the slideway is generally processed by erecting on horizontal processing equipment, namely a V-shaped block is used for leaning against the excircle of the slideway to position the end face of the slideway, and then the other end face is compressed for processing, which can be realized only by placing the slideway at the center of a workbench of the horizontal processing equipment, so that the counter bore of the slideway is difficult to align, the position and the angle are not well controlled, the counter bore of the slideway is easy to generate vibration in the processing process, and the vibration lines are easy to generate on the processing surface.
Disclosure of Invention
The invention aims to provide a method for processing a slideway counter bore, which can ensure the processing quality of the slideway counter bore and improve the processing efficiency.
The invention relates to a method for processing a slideway counter bore, which comprises the following steps:
s1, performing finish machining on the excircle of the cylindrical slide way blank, and then drilling a through hole on the cylinder wall of the slide way blank, wherein the axis of the through hole passes through the axial center line of the slide way blank;
s2, splitting the slide way blank along the axial direction to obtain a plurality of slide way single bodies with arc-shaped cross sections, wherein the two ends of each slide way single body, which are close to one side edge, are provided with positioning holes;
s3, the slide way monomer is pressed and fixed on a workbench of the vertical milling machine through a clamp, the clamp comprises a positioning block and a pressing component, the positioning block is provided with a positioning surface matched with the excircle of the slide way monomer, the mounting surface of the positioning block, which is opposite to the positioning surface, is attached to the surface of the workbench, and the positioning block is provided with a positioning pin at a position corresponding to the positioning hole;
and S4, milling the position of the inner circle of the slide way monomer corresponding to the through hole to form a counter bore large-diameter section communicated with the through hole by taking the through hole as a reference hole.
Furthermore, the axis of the positioning pin passes through the axial center line of the slideway monomer, and the axis of the positioning pin is vertical to the mounting surface.
Further, in the step S2, the slide way blank is evenly split into four slide way units.
Furthermore, the compressing assembly comprises a double-end stud, a pressing plate, a cushion block and a nut, one end of the double-end stud is fixedly connected with the workbench, the other end of the double-end stud penetrates through the pressing plate to be connected with the nut, one end of the pressing plate is pressed on the single slide way, the other end of the pressing plate is pressed on the cushion block, and the cushion block is fixedly connected with the workbench.
Furthermore, the number of the pressing assemblies is two, and the pressing assemblies are symmetrically arranged at two ends of the slide way monomer.
Compared with the prior art, the invention has the following beneficial effects.
1. According to the invention, before splitting the slide way blank, the through hole is drilled on the excircle of the slide way blank, and the through hole is used as a reference for subsequent counter bore processing, so that the position and the angle of the counter bore on the slide way are more accurate, and the processing quality of the counter bore is improved.
2. According to the invention, the positioning block and the compressing assembly are matched to compress and fix the split slideway monomer on the vertical milling machine workbench, and the positioning surface matched with the excircle of the slideway monomer on the positioning block is used as a supporting surface, so that the excircle surface of the slideway monomer is uniformly contacted with the positioning surface, the phenomenon of vibration generation in the counter bore machining process is effectively avoided, and the machining quality of the surface of the slideway monomer is ensured.
3. According to the invention, the positioning surface of the positioning block and the positioning pin are matched, so that the single slide way is quickly positioned, the single slide way is tightly pressed on the positioning block through the pressing assembly, the clamping is simple, quick and convenient, and the processing efficiency is improved.
Drawings
FIG. 1 is a schematic view of the construction of the clamp of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the structure of the single slide of the present invention;
fig. 4 is a sectional view B-B of fig. 3.
In the figure, 1 is a slideway single body, 11 is a through hole, 2 is a positioning block, 21 is a positioning surface, 22 is a positioning pin, 3 is a stud, 4 is a pressing plate, 5 is a cushion block, 6 is a nut, and 7 is a mounting bolt.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
A method for processing a slideway counter bore comprises the following steps:
s1, performing finish machining on the excircle of the cylindrical slide way blank, and then drilling through holes 11 in the cylinder wall of the slide way blank in a horizontal machining center, wherein the axis of each through hole 11 passes through the axial center line of the slide way blank, and the angles and the distances between the through holes 11 are ensured through machining programs.
And S2, cutting a line on the outer circle surface of the slide way blank for alignment during line cutting. Cutting the slide way blank in an axial direction in a linear cutting mode to obtain four slide way single bodies 1 with circular arc-shaped cross sections, referring to fig. 3 and 4, wherein two rows of through holes 11 are arranged on each slide way single body 1, each row is provided with four through holes 11, and the through holes 11 at the left end and the right end of the lower row are used as positioning holes of the slide way single bodies 1;
and S3, referring to the figures 1 and 2, the slide single body is pressed and fixed on a workbench of the vertical milling machine through a clamp, the clamp comprises a positioning block 2 and a pressing component, the positioning block 2 is provided with a positioning surface 21 matched with the excircle of the slide single body 1, the mounting surface of the positioning block 2 opposite to the positioning surface 21 is in fit connection with the surface of the workbench, and a positioning pin 22 is arranged at the position of the positioning block 2 corresponding to the positioning hole. The axis of the positioning pin 22 passes through the axial center line of the slideway single body 1, and the axis of the positioning pin 22 is vertical to the mounting surface.
The number of the pressing assemblies is two, and the pressing assemblies are symmetrically arranged at two ends of the slide way monomer 1. A single compressing assembly comprises a double-end stud 3, a pressing plate 4, a cushion block 5 and a nut 6, one end of the double-end stud 3 is fixedly connected with the workbench, the other end of the double-end stud penetrates through the pressing plate 4 to be connected with the nut 6, one end of the pressing plate 4 is pressed on the slideway monomer 1, the other end of the pressing plate is pressed on the cushion block 5, and the cushion block 5 is fixedly connected with the workbench.
When clamping, the positioning block 2 is firstly placed on a workbench of a vertical milling machine, two side surfaces M and N which are vertical to each other are aligned, and a processing coordinate system is arranged. And then the mounting bolt 7 is adopted to penetrate through the U-shaped gaps at the left end and the right end of the positioning block 2 to be fixedly connected with the workbench. Then the slide single body 1 is placed on the positioning surface 21 of the positioning block 2, and the two positioning pins on the positioning block 2 are correspondingly inserted into the positioning holes on the slide single body 1, so that the limiting effect is achieved. The adjusting cushion block 5 is equal to the surface of the inner hole of the slideway monomer 1 in height, one end of the double-thread screw 3 is in threaded connection with the workbench, the other end of the double-thread screw passes through the kidney-shaped hole of the pressing plate 4 and is connected with the nut 6, one end of the double-thread screw is pressed on the slideway monomer 1, the other end of the double-thread screw is pressed on the cushion block 5, and the nut 6 is screwed down to tightly press the pressing plate 4. Through the cooperation of the positioning surface 21 and the positioning pin 22 of the positioning block 2, the slide single body 1 is quickly positioned, the slide single body 1 is tightly pressed on the positioning block 2 through the pressing component, the clamping is simple, quick and convenient, and the processing efficiency is improved.
And S4, milling the position of the inner circle of the slide single body 1 corresponding to the through hole to form a counter bore large-diameter section communicated with the through hole 11 by taking the through hole 11 as a reference hole, and finishing the processing of the counter bore of the slide. Because the through hole 11 is drilled on the excircle of the slide way blank before the slide way blank is cut open, the through hole 11 is used as a reference for subsequent counter bore processing, the position and the angle of the counter bore on the slide way are ensured to be more accurate, and the processing quality of the counter bore is improved. The slide monomer 1 obtained by subdivision is compressed and fixed on the vertical milling machine workbench by matching the positioning block 2 with the compressing assembly, and the positioning surface 21 matched with the excircle of the slide monomer 1 on the positioning block 2 is used as a supporting surface, so that the excircle surface of the slide monomer 1 is in uniform contact with the positioning surface 21, the phenomenon of vibration in the counter bore machining process is effectively avoided, and the surface machining quality of the slide monomer 1 is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A method for processing a slideway counter bore is characterized by comprising the following steps:
s1, performing finish machining on the excircle of the cylindrical slide way blank, and then drilling a through hole on the cylinder wall of the slide way blank, wherein the axis of the through hole passes through the axial center line of the slide way blank;
s2, splitting the slide way blank along the axial direction to obtain a plurality of slide way single bodies with arc-shaped cross sections, wherein the two ends of each slide way single body, which are close to one side edge, are provided with positioning holes;
s3, the slide way monomer is pressed and fixed on a workbench of the vertical milling machine through a clamp, the clamp comprises a positioning block and a pressing component, the positioning block is provided with a positioning surface matched with the excircle of the slide way monomer, the mounting surface of the positioning block, which is opposite to the positioning surface, is attached to the surface of the workbench, and the positioning block is provided with a positioning pin at a position corresponding to the positioning hole;
and S4, milling the position of the inner circle of the slide way monomer corresponding to the through hole to form a counter bore large-diameter section communicated with the through hole by taking the through hole as a reference hole.
2. The method for machining the counterbore of the slide way as set forth in claim 1, wherein: the axis of the positioning pin passes through the axial center line of the slideway monomer, and the axis of the positioning pin is perpendicular to the mounting surface.
3. The method for machining the slideway counter bore according to claim 1 or 2, characterized by comprising the following steps: and in the step S2, the slide way blank is evenly split into four slide way single bodies.
4. The method for machining the slideway counter bore according to claim 1 or 2, characterized by comprising the following steps: the pressing assembly comprises a double-end stud, a pressing plate, a cushion block and a nut, one end of the double-end stud is fixedly connected with the workbench, the other end of the double-end stud penetrates through the pressing plate to be connected with the nut, one end of the pressing plate is pressed on the single slide way, the other end of the pressing plate is pressed on the cushion block, and the cushion block is fixedly connected with the workbench.
5. The method for machining the slideway counter bore according to claim 1 or 2, characterized by comprising the following steps: the number of the pressing assemblies is two, and the pressing assemblies are symmetrically arranged at two ends of the slide way monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111177806.4A CN113909812A (en) | 2021-10-09 | 2021-10-09 | Machining method of slideway counter bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111177806.4A CN113909812A (en) | 2021-10-09 | 2021-10-09 | Machining method of slideway counter bore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113909812A true CN113909812A (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111177806.4A Pending CN113909812A (en) | 2021-10-09 | 2021-10-09 | Machining method of slideway counter bore |
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| Country | Link |
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| CN (1) | CN113909812A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950479A (en) * | 2012-08-30 | 2013-03-06 | 哈尔滨汽轮机厂有限责任公司 | Method for realizing machining of combustion-compression ring bushes by using combustion-compression ring bush cutting clamp |
| CN103737258A (en) * | 2013-12-20 | 2014-04-23 | 东方电气集团东方汽轮机有限公司 | Method for machining air power equipment girdle |
| CN106141570A (en) * | 2015-04-15 | 2016-11-23 | 西安华科光电有限公司 | A kind of bearing shell processing methods more than three lobes and three lobes |
| JP2017115368A (en) * | 2015-12-22 | 2017-06-29 | 株式会社クボタ | Steel pipe pile |
| CN206662771U (en) * | 2017-03-24 | 2017-11-24 | 江苏建筑职业技术学院 | Fixture for milling shift fork flat surface |
| CN208162688U (en) * | 2018-04-28 | 2018-11-30 | 湖北三江航天万山特种车辆有限公司 | A kind of cylindrical part drilling-hole positioning device |
| CN109604953A (en) * | 2018-12-10 | 2019-04-12 | 贵州航锐航空精密零部件制造有限公司 | A kind of method that high efficiency processes semicircle part using material |
| CN112157405A (en) * | 2020-09-30 | 2021-01-01 | 重庆跃进机械厂有限公司 | Processing method of low-speed diesel engine bimetallic bearing bush |
-
2021
- 2021-10-09 CN CN202111177806.4A patent/CN113909812A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950479A (en) * | 2012-08-30 | 2013-03-06 | 哈尔滨汽轮机厂有限责任公司 | Method for realizing machining of combustion-compression ring bushes by using combustion-compression ring bush cutting clamp |
| CN103737258A (en) * | 2013-12-20 | 2014-04-23 | 东方电气集团东方汽轮机有限公司 | Method for machining air power equipment girdle |
| CN106141570A (en) * | 2015-04-15 | 2016-11-23 | 西安华科光电有限公司 | A kind of bearing shell processing methods more than three lobes and three lobes |
| JP2017115368A (en) * | 2015-12-22 | 2017-06-29 | 株式会社クボタ | Steel pipe pile |
| CN206662771U (en) * | 2017-03-24 | 2017-11-24 | 江苏建筑职业技术学院 | Fixture for milling shift fork flat surface |
| CN208162688U (en) * | 2018-04-28 | 2018-11-30 | 湖北三江航天万山特种车辆有限公司 | A kind of cylindrical part drilling-hole positioning device |
| CN109604953A (en) * | 2018-12-10 | 2019-04-12 | 贵州航锐航空精密零部件制造有限公司 | A kind of method that high efficiency processes semicircle part using material |
| CN112157405A (en) * | 2020-09-30 | 2021-01-01 | 重庆跃进机械厂有限公司 | Processing method of low-speed diesel engine bimetallic bearing bush |
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