CN113618343A - Machining method for lifting upright post of automatic drilling machine - Google Patents
Machining method for lifting upright post of automatic drilling machine Download PDFInfo
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- CN113618343A CN113618343A CN202110976408.2A CN202110976408A CN113618343A CN 113618343 A CN113618343 A CN 113618343A CN 202110976408 A CN202110976408 A CN 202110976408A CN 113618343 A CN113618343 A CN 113618343A
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- face
- bottom plate
- excircle
- upright column
- turning
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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
- 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
Abstract
The invention relates to a processing method for an automatic drilling machine lifting upright post, which belongs to the technical field of machining and comprises the following steps: s1, blanking; s2 assembly welding; s3 aging treatment; s4 rough turning: roughly turning the excircle, end face, inner hole and end face of the bottom plate of the upright column; s5 finish turning: finely turning the excircle, the end face, the inner hole and the end face of the bottom plate of the upright column, and positioning and processing an inner thread and an end face chamfer by the excircle of the upright column; s6 boring: processing the rib plate holes by a boring mill; s7 grinding one: grinding the excircle of the upright post; s8 surface treatment: the surface treatment is carried out on the upright column to enhance the wear resistance; s9 grinding II: grinding the excircle of the upright post; s10 finish turning II: and clamping a workpiece by taking the excircle of the upright column as a positioning reference, and finely turning the end face of the bottom plate. The invention can ensure the verticality requirement between the lifting upright post and the end surface of the bottom plate of the automatic drilling machine and the run-out requirement of the outer cylindrical surface of the upright post, and solves the problem that the verticality of the existing lifting upright post is difficult to ensure.
Description
Technical Field
The invention belongs to the technical field of machining, and relates to a machining method for a lifting stand column of an automatic drilling machine.
Background
The machining of the lifting upright post of the automatic drilling machine generally adopts the following method: and (3) performing finish machining to the size before welding the upright column steel pipe body, then assembling and welding the upright column steel pipe body with the bottom plate and the rib plate, and then moving the upright column steel pipe body to a lathe to lathe the end surface plane by taking the excircle of the steel pipe as a reference. The processing method has the hidden trouble that the steel tube of the upright post is deformed axially in the welding process, and the deformation causes the perpendicularity of the outer cylindrical surface of the steel tube relative to the end surface of the bottom plate to be out of tolerance, so that the lifting motion clamping set of the drilling machine fails.
Disclosure of Invention
In view of this, an object of the present application is to provide a method for machining a lifting column of an automatic drilling machine, so as to solve the problem that the perpendicularity of the existing lifting column is difficult to guarantee.
In order to achieve the purpose, the invention provides the following technical scheme:
a method of machining a lifting column for an automatic drilling machine, comprising the steps of:
s1, blanking; s2 assembly welding; s3 aging treatment; s4 rough turning: roughly turning the excircle, end face, inner hole and end face of the bottom plate of the upright column; s5 finish turning: finely turning the excircle, the end face, the inner hole and the end face of the bottom plate of the upright column, and positioning and processing an inner thread and an end face chamfer by the excircle of the upright column; s6 boring: processing the rib plate holes by a boring mill; s7 grinding one: grinding the excircle of the upright post; s8 surface treatment: the surface treatment is carried out on the upright column to enhance the wear resistance; s9 grinding II: grinding the excircle of the upright post; s10 finish turning II: and clamping a workpiece by taking the excircle of the upright column as a positioning reference, and finely turning the end face of the bottom plate.
Optionally, the rough turning at S4 specifically includes the following steps: clamping a workpiece by taking the excircle of the upright column close to one end of the bottom plate as a positioning reference, performing table making and alignment, roughly turning the excircle and the end face of the other end of the upright column, clamping the workpiece by taking the excircle face of the processed upright column as the positioning reference, and roughly turning the excircle, the end face, the inner hole and the end face of the bottom plate of one end of the upright column close to the bottom plate.
Optionally, the S5 finish turning specifically includes the following steps: clamping a workpiece by taking the outer circle of the upright column close to one end of the bottom plate as a positioning reference, finely turning the outer circle and the end face of the other end of the upright column, processing internal threads, enabling the small diameter of the internal threads to approach to the minimum limit size, processing an end face chamfer and polishing, and installing a threaded end plug when the workpiece is in a clamping state after the internal threads and the end face chamfer are processed; then clamping a workpiece by taking the outer circle surface of the finely machined stand column as a positioning reference, and finely turning the outer circle, the end surface, the inner hole and the end surface of the bottom plate of the stand column, wherein the end surface is close to one end of the bottom plate; and after the processing is finished, installing a plug at one end of the upright column close to the bottom plate.
Optionally, in the step S6, clamping the workpiece with the outer circle of the pillar and the end face of the bottom plate as references, and processing the rib plate hole.
Optionally, in the step S6, the workpiece is clamped by boring using the inner hole of the pillar near one end of the bottom plate and the end face of the bottom plate as references, and a rib plate hole is machined.
Optionally, the grinding in S7 and the grinding in S9 are both used for grinding the outer circle of the upright column by taking the central holes of the plugs at the two ends of the upright column as positioning references.
Optionally, the reserved machining allowance of the column blank is larger than the welding deformation.
Optionally, the S8 surface treatment is chrome plating.
The invention has the beneficial effects that: the perpendicularity requirement between the lifting stand column and the end face of the bottom plate of the automatic drilling machine can be guaranteed, the beating degree requirement of the outer cylindrical surface of the stand column is met, the quality is stable, mass production can be achieved, the problem that the perpendicularity of the existing lifting stand column is difficult to guarantee is solved, and the problem that the existing drilling machine lifting movement clamping set is solved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic structural view of a lifting column of the automatic drilling machine;
fig. 3 is a schematic view of the machining of the lifting column of the automatic drilling machine.
Reference numerals: the bottom plate 1, the upright post 2, the rib plate 3, the threaded end plug 6 and the large end face plug 7.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 3, a method for processing a lifting column of an automatic drilling machine includes the following steps:
s1 blanking: preparing a stand column 2, a bottom plate 1 and a rib plate 3, wherein the reserved machining allowance of a stand column blank is larger than the welding deformation;
s2 assembly welding: assembling and welding the upright post 2, the bottom plate 1 and the rib plate 3;
s3 aging treatment: aging treatment is carried out after assembly welding to eliminate stress generated by welding;
s4 rough turning: clamping a workpiece by taking the excircle of the upright column close to one end of the bottom plate 1 as a positioning reference, performing table making and alignment, roughly turning the excircle and the end face of the other end of the upright column 2, then clamping the workpiece by taking the excircle face of the processed upright column as the positioning reference, and roughly turning the excircle, the end face, the inner hole and the end face of the bottom plate of the upright column 2 close to one end of the bottom plate 1;
s5 finish turning:
s5.1, clamping a workpiece by taking the outer circle of the upright column close to one end of the bottom plate 1 as a positioning reference, performing table making and alignment, finely turning the outer circle and the end face of the other end of the upright column 2, processing an internal thread, and enabling the small diameter of the internal thread to approach to the minimum limit size so as to ensure the coaxiality between a subsequent thread auxiliary bus between the threaded end plug 6 and the internal thread and the outer circle of the upright column, then processing an end face chamfer and polishing the end face chamfer;
s5.2, after the internal threads and the end face chamfer are machined, installing a threaded end plug 6 when the workpiece is in a clamping state;
s5.3, clamping a workpiece by taking the outer circle surface of the finely machined stand column as a positioning reference, and finely turning the outer circle, the end surface, the inner hole and the end surface of the bottom plate at one end of the stand column 2 close to the bottom plate 1;
s6 boring: clamping a workpiece by taking an inner hole at one end of the upright post 2 close to the bottom plate 1 and the end face of the bottom plate as references, and processing a rib plate hole by using a boring machine;
s7 grinding one: installing a plug at one end of the upright post 2 close to the bottom plate 1, namely a large end face plug 7, and grinding the excircle of the upright post by taking central holes of the plugs at two ends of the upright post 2 as a positioning reference;
s8 surface treatment: the end face of the bottom plate is shielded, and the upright post 2 is subjected to surface chromium plating treatment to enhance the wear resistance;
s9 grinding II: grinding the outer circle of the upright column by taking the central holes of the plugs at the two ends of the upright column 2 as a positioning reference so as to eliminate adverse effects caused by surface treatment and ensure the dimensional tolerance and the form and position tolerance of the outer cylindrical surface of the upright column;
s10 finish turning II: clamping a workpiece by taking the excircle of the upright column as a positioning reference, finely turning the end face of the bottom plate, and detecting the form and position tolerance of the end face of the bottom plate on line;
s11 taking a plug: taking down the plugs at the two ends;
and S12, packaging the paint and warehousing.
According to the invention, through assembly welding and turning, welding deformation can be compensated by reserving blank machining allowance, so that the product yield is improved; in the turning process, the process reference is superposed with the design reference, so that the size and form and position tolerance of a workpiece are easy to ensure, and the yield of products is easy to improve; and by arranging grinding and turning procedures after surface treatment, adverse effects caused by the surface treatment can be eliminated, and the yield and quality of products are improved.
The invention is suitable for batch production of workpieces with high requirement on the perpendicularity between the long-distance outer cylindrical surface and the bottom end surface, and can ensure the cylindricity of the outer cylindrical surface and the perpendicularity relative to the bottom end surface.
The invention can ensure the verticality requirement between the outer cylindrical surface of the steel pipe of the lifting stand column and the end surface of the bottom plate of the automatic drilling machine and the run-out requirement of the outer cylindrical surface of the steel pipe, has stable quality and can be produced in batch; the problem of the straightness that hangs down of current promotion stand be difficult to guarantee is solved, and then the problem of current rig promotion motion card group has been solved.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (8)
1. A machining method for a lifting column of an automatic drilling machine is characterized by comprising the following steps:
s1, blanking; s2 assembly welding; s3 aging treatment; s4 rough turning: roughly turning the excircle, end face, inner hole and end face of the bottom plate of the upright column; s5 finish turning: finely turning the excircle, the end face, the inner hole and the end face of the bottom plate of the upright column, and positioning and processing an inner thread and an end face chamfer by the excircle of the upright column; s6 boring: processing the rib plate holes by a boring mill; s7 grinding one: grinding the excircle of the upright post; s8 surface treatment: the surface treatment is carried out on the upright column to enhance the wear resistance; s9 grinding II: grinding the excircle of the upright post; s10 finish turning II: and clamping a workpiece by taking the excircle of the upright column as a positioning reference, and finely turning the end face of the bottom plate.
2. The method of claim 1 for machining a lifting column of an automatic drilling machine, wherein: the S4 rough turning specifically comprises the following steps: clamping a workpiece by taking the excircle of the upright column close to one end of the bottom plate as a positioning reference, roughly turning the excircle and the end face of the other end of the upright column, then clamping the workpiece by taking the excircle face of the processed upright column as the positioning reference, and roughly turning the excircle, the end face and the inner hole of the upright column close to one end of the bottom plate and the end face of the bottom plate.
3. The method of claim 1 for machining a lifting column of an automatic drilling machine, wherein: the S5 finish turning specifically comprises the following steps: clamping a workpiece by taking the outer circle of the upright column close to one end of the bottom plate as a positioning reference, finely turning the outer circle and the end face of the other end of the upright column, processing internal threads, enabling the small diameter of the internal threads to approach to the minimum limit size, processing an end face chamfer and polishing, and installing a threaded end plug when the workpiece is in a clamping state after the internal threads and the end face chamfer are processed; then clamping a workpiece by taking the outer circle surface of the finely machined stand column as a positioning reference, and finely turning the outer circle, the end surface, the inner hole and the end surface of the bottom plate of the stand column, wherein the end surface is close to one end of the bottom plate; and after the processing is finished, installing a plug at one end of the upright column close to the bottom plate.
4. The method of claim 1 for machining a lifting column of an automatic drilling machine, wherein: s6, clamping the workpiece by taking the excircle of the upright post and the end face of the bottom plate as references, and processing the rib plate hole.
5. The method of claim 1 for machining a lifting column of an automatic drilling machine, wherein: s6, clamping the workpiece by taking the inner hole of the upright column close to one end of the bottom plate and the end face of the bottom plate as references, and processing the rib plate hole.
6. A method of machining a lifting column for an automatic drilling machine according to claim 3, characterized in that: and S7 grinding I and S9 grinding II use plug center holes at two ends of the upright column as positioning references to grind the excircle of the upright column.
7. The method of claim 1 for machining a lifting column of an automatic drilling machine, wherein: the reserved machining allowance of the upright column blank is larger than the welding deformation.
8. The method of claim 1 for machining a lifting column of an automatic drilling machine, wherein: s8 surface treatment is chromium plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110976408.2A CN113618343B (en) | 2021-08-24 | 2021-08-24 | Machining method for lifting upright post of automatic drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110976408.2A CN113618343B (en) | 2021-08-24 | 2021-08-24 | Machining method for lifting upright post of automatic drilling machine |
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| CN113618343A true CN113618343A (en) | 2021-11-09 |
| CN113618343B CN113618343B (en) | 2022-09-09 |
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| US5983496A (en) * | 1996-03-15 | 1999-11-16 | J.A. Hermanson | Circular and oval flanged rings for connecting ducting and method of making |
| CN103182635A (en) * | 2013-04-15 | 2013-07-03 | 江苏华冶科技有限公司 | Processing method of hot expanding roller |
| CN104148894A (en) * | 2014-07-14 | 2014-11-19 | 陕西启源科技发展有限责任公司 | Machining method of thin-walled deep-hole welded workpieces |
| CN105522336A (en) * | 2015-11-11 | 2016-04-27 | 陕西一品达石化有限公司 | Machining method for main drum of winch |
| CN110449848A (en) * | 2019-09-23 | 2019-11-15 | 沈阳三科核电设备制造股份有限公司 | A kind of processing technology of built-up welding Si Taili hard alloy thin-walled set |
| CN110640405A (en) * | 2019-09-30 | 2020-01-03 | 重庆江增船舶重工有限公司 | Method for processing turbine rotor with special-shaped center hole |
| CN111331326A (en) * | 2020-03-22 | 2020-06-26 | 中煤科工集团重庆研究院有限公司 | Processing method of plug-in type high-rotating-speed spiral drill rod |
-
2021
- 2021-08-24 CN CN202110976408.2A patent/CN113618343B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5983496A (en) * | 1996-03-15 | 1999-11-16 | J.A. Hermanson | Circular and oval flanged rings for connecting ducting and method of making |
| CN103182635A (en) * | 2013-04-15 | 2013-07-03 | 江苏华冶科技有限公司 | Processing method of hot expanding roller |
| CN104148894A (en) * | 2014-07-14 | 2014-11-19 | 陕西启源科技发展有限责任公司 | Machining method of thin-walled deep-hole welded workpieces |
| CN105522336A (en) * | 2015-11-11 | 2016-04-27 | 陕西一品达石化有限公司 | Machining method for main drum of winch |
| CN110449848A (en) * | 2019-09-23 | 2019-11-15 | 沈阳三科核电设备制造股份有限公司 | A kind of processing technology of built-up welding Si Taili hard alloy thin-walled set |
| CN110640405A (en) * | 2019-09-30 | 2020-01-03 | 重庆江增船舶重工有限公司 | Method for processing turbine rotor with special-shaped center hole |
| CN111331326A (en) * | 2020-03-22 | 2020-06-26 | 中煤科工集团重庆研究院有限公司 | Processing method of plug-in type high-rotating-speed spiral drill rod |
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