CN113231927A - Method for polishing special-shaped part - Google Patents
Method for polishing special-shaped part Download PDFInfo
- Publication number
- CN113231927A CN113231927A CN202110544995.8A CN202110544995A CN113231927A CN 113231927 A CN113231927 A CN 113231927A CN 202110544995 A CN202110544995 A CN 202110544995A CN 113231927 A CN113231927 A CN 113231927A
- Authority
- CN
- China
- Prior art keywords
- dial indicator
- shaped block
- rocking handle
- punch former
- grinding wheel
- 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
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a method for polishing a special-shaped part, which comprises the following steps: s3, stopping shaking the rocking handle (4) after the right inclined plane of the V-shaped block (3) touches the outer circumference of the grinding wheel (5), leaning the right end face of the V-shaped block (3) by the contact head of the dial indicator (6) on the grinding machine, and resetting the value of the dial indicator (6); s4, stopping shaking the rocking handle (4) after the left inclined plane of the V-shaped block (3) touches the outer circumference of the grinding wheel (5), and reading a numerical value A on the dial indicator (6); and S5, when the reading number on the dial indicator (6) indicates A/2, immediately stopping shaking the rocking handle (4), and at the moment, enabling the circle center of the grinding wheel (5) and the rotation center of the punch former (2) to be in the same vertical plane, thereby finishing the alignment work. The invention has the beneficial effects that: the accurate alignment is realized fast, and the R angle processing quality of the part is improved.
Description
Technical Field
The invention relates to the technical field of machining of an R angle on a part, in particular to a method for polishing a special-shaped part.
Background
The grinding device comprises a magnetic platform and a punch former, wherein the magnetic platform is fixedly arranged on a ram of the grinding machine, the punch former is fixedly arranged on the top surface of the magnetic platform, and the punch former is arranged under a grinding wheel of the grinding machine. When an R angle is formed on a part, the part is firstly fixed on a working position of a punch former, a rocking handle on a ram is rocked, the ram moves horizontally, the ram drives a magnetic force platform to move horizontally, the magnetic force platform drives the punch former to move horizontally, in the moving process, the sight of an operator is over against the center of a grinding wheel, the sight height is flush with the contact point of the grinding wheel and the part, after the center of the grinding wheel is aligned with the center of the R to be processed of the part, limit stop blocks are arranged on two sides of the magnetic force platform, so that the ram cannot move any more when the rocking handle is rocked, finally a handle on the punch former is rotated, the part rotates around the rotating center of the punch former, the outer edge of the grinding wheel in a rotating state polishes the part, and the R angle can be processed on the part after the part is polished for a period of time.
However, this manual alignment method has a large error, that is, if the center of the grinding wheel (5) deviates to the left from the center of the R-angle to be machined of the part (8) as shown in fig. 1, an unprocessed portion (9) of the part (8) as shown in fig. 2 occurs, thereby degrading the machining quality of the R-angle. If the circle center of the grinding wheel (5) deviates to the right from the circle center of the R angle to be processed of the part (8) as shown in figure 3, an over-cut part (10) appears on the part (8) as shown in figure 4, and the processing quality of the R angle is also reduced. Therefore, a method for precisely aligning and improving the machining quality of the R angle of the part is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for polishing special-shaped parts, which can realize accurate alignment and improve the R-angle processing quality of the parts.
The purpose of the invention is realized by the following technical scheme: a method of grinding a profiled part comprising the steps of:
s1, mounting a magnetic force platform on a ram of the grinding machine, and mounting a punch former on the magnetic force platform;
s2, fixedly installing a V-shaped block matched with the punch former in the V-shaped groove of the punch former to enable the grinding wheel to be positioned in the V-shaped block;
s3, shaking the rocking handle in a positive direction, driving the magnetic force platform to move left by the ram, driving the punch former to move left by the magnetic force platform, stopping shaking the rocking handle after the right inclined plane of the V-shaped block touches the outer circumference of the grinding wheel, leaning the right end face of the V-shaped block by the contact head of the dial indicator on the grinding machine, resetting the value of the dial indicator, and keeping the dial indicator still;
s4, reversely shaking the rocking handle, driving the magnetic force platform to move rightwards by the ram, driving the punch former to move rightwards by the magnetic force platform, pressing the contact head of the dial indicator rightwards by the V-shaped block, stopping shaking the rocking handle after the left inclined plane of the V-shaped block touches the outer circumference of the grinding wheel, and reading a value A on the dial indicator;
s5, shaking the rocking handle in the forward direction, driving the magnetic force platform to move leftwards by the ram, driving the punch former to move leftwards by the magnetic force platform, observing the reading of the dial indicator, stopping shaking the rocking handle immediately when the reading on the dial indicator indicates A/and positioning the circle center of the grinding wheel and the rotation center of the punch former on the same vertical plane, thereby completing the alignment work;
s6, descending the V-shaped block from the inside of the V-shaped groove; the part is fixed on a working position of the punch former, a handle on the punch former is rotated, the part rotates around the rotating center of the punch former, meanwhile, the outer edge of the grinding wheel in a rotating state polishes the part, and an R angle can be machined on the part after polishing for a period of time.
The grinding machine is a vertical machine tool.
The dial indicator is horizontally arranged.
The invention has the following advantages: the invention does not need to align the circle centers of the grinding wheel 5 and the R angle to be processed manually through experience, thereby not only improving the alignment efficiency, but also avoiding the phenomenon of excessive processing or unprocessed occurrence and greatly improving the processing precision of the R angle of the part.
Drawings
FIG. 1 is a schematic diagram of the grinding wheel with the center of the circle deviated to the left from the center of the circle of the angle R to be machined;
FIG. 2 is a schematic view of a part with an unprocessed portion;
FIG. 3 is a schematic view showing the center of the grinding wheel and the center of the R-angle to be machined of the part deviating to the right;
FIG. 4 is a schematic view of a part with an over-cut portion;
FIG. 5 is a schematic diagram of the operation of the present invention;
FIG. 6 is a schematic structural view of a V-block;
in the figure, 1-a magnetic platform, 2-a punch former, 3-a V-shaped block, 4-a rocking handle, 5-a grinding wheel, 6-a dial indicator, 7-a limit stop, 8-a part, 9-an unprocessed part, 10-an over-cutting part, 11-an actual circle center connecting line and 12-a theoretical circle center connecting line.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
a method of grinding a profiled part comprising the steps of:
s1, mounting a magnetic platform 1 on a ram of a grinding machine, and mounting a punch former 2 on the magnetic platform 1, wherein the grinding machine is a vertical machine tool;
s2, fixedly installing a V-shaped block 3 matched with the punch former 2 in a V-shaped groove of the punch former 2, and enabling the grinding wheel 5 to be positioned in the V-shaped block 3;
s3, the rocking handle 4 is rocked in the forward direction, the ram drives the magnetic platform 1 to move leftwards, the magnetic platform 1 drives the punch former 2 to move leftwards, after the right inclined plane of the V-shaped block 3 touches the outer circumference of the grinding wheel 5, the rocking handle 4 is stopped to be rocked, the contact head of the dial indicator 6 on the grinding machine is used for leaning towards the right end face of the V-shaped block 3 as shown in figure 5, the numerical value of the dial indicator 6 is reset, and meanwhile, the dial indicator 6 is kept still; the dial indicator 6 is horizontally arranged.
S4, reversely shaking the rocking handle 4, driving the magnetic platform 1 to move rightwards by the ram, driving the punch former 2 to move rightwards by the magnetic platform 1, pressing the contact head of the dial indicator 6 rightwards by the V-shaped block 3, stopping shaking the rocking handle 4 after the left inclined plane of the V-shaped block 3 touches the outer circumference of the grinding wheel 5, and reading a value A on the dial indicator 6;
s5, the rocking handle 4 is rocked in the forward direction, the ram drives the magnetic platform 1 to move leftwards, the magnetic platform 1 drives the punch former 2 to move leftwards, the reading of the dial indicator 6 is observed, when the reading on the dial indicator 6 indicates A/2, the rocking handle 4 is immediately stopped to be rocked, and at the moment, the circle center of the grinding wheel 5 and the rotation center of the punch former 2 are located on the same vertical plane, so that the alignment work is completed; therefore, the center of the grinding wheel 5 and the center of the R angle to be processed do not need to be aligned manually through experience, the alignment efficiency is improved, the phenomenon of multiple processing or non-processing can be avoided, and the processing precision of the R angle of the part is greatly improved.
S6, arranging a limit stop 7 on each of two sides of the magnetic platform 1 to ensure that the ram can not move any more when the rocking handle is shaken;
s6, descending the V-shaped block 3 from the inside of the V-shaped groove; the part is fixed on the working position of the punch former 2, the handle on the punch former 2 is rotated, the part rotates around the rotating center of the punch former 2, meanwhile, the outer edge of the grinding wheel 5 in a rotating state polishes the part, and an R angle can be machined on the part after polishing for a period of time.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A method for polishing a special-shaped part is characterized by comprising the following steps: it comprises the following steps:
s1, mounting a magnetic platform (1) on a ram of the grinding machine, and mounting a punch former (2) on the magnetic platform (1);
s2, fixedly installing a V-shaped block (3) matched with the punch former (2) in a V-shaped groove of the punch former (2), and enabling the grinding wheel (5) to be positioned in the V-shaped block (3);
s3, the rocking handle (4) is rocked in the forward direction, the ram drives the magnetic platform (1) to move left, the magnetic platform (1) drives the punch former (2) to move left, after the right inclined plane of the V-shaped block (3) touches the outer circumference of the grinding wheel (5), the rocking handle (4) is stopped to be rocked, the contact head of the dial indicator (6) on the grinding machine is used for leaning towards the right end face of the V-shaped block (3), the numerical value of the dial indicator (6) is reset, and meanwhile the dial indicator (6) is kept still;
s4, reversely shaking the rocking handle (4), driving the magnetic platform (1) to move rightwards by the ram, driving the punch former (2) to move rightwards by the magnetic platform (1), pressing the contact head of the dial indicator (6) rightwards by the V-shaped block (3), stopping shaking the rocking handle (4) after the left inclined plane of the V-shaped block (3) touches the outer circumference of the grinding wheel (5), and reading a numerical value A on the dial indicator (6);
s5, the rocking handle (4) is rocked in the forward direction, the ram drives the magnetic platform (1) to move leftwards, the magnetic platform (1) drives the punch former (2) to move leftwards, the reading of the dial indicator (6) is observed, when the reading on the dial indicator (6) indicates A/2, the rocking handle (4) is immediately stopped to be rocked, and at the moment, the circle center of the grinding wheel (5) and the rotation center of the punch former (2) are located on the same vertical plane, so that the alignment work is completed;
s6, descending the V-shaped block (3) from the inside of the V-shaped groove; the part is fixed on a working position of the punch former (2), a handle on the punch former (2) is rotated, the part rotates around a rotating center of the punch former (2), meanwhile, the outer edge of the grinding wheel (5) in a rotating state grinds the part, and an R angle can be machined on the part after grinding for a period of time.
2. A method of grinding a profiled element as claimed in claim 1, characterized in that: the grinding machine is a vertical machine tool.
3. A method of grinding a profiled element as claimed in claim 1, characterized in that: the dial indicator (6) is horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110544995.8A CN113231927B (en) | 2021-05-19 | 2021-05-19 | Method for polishing special-shaped part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110544995.8A CN113231927B (en) | 2021-05-19 | 2021-05-19 | Method for polishing special-shaped part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113231927A true CN113231927A (en) | 2021-08-10 |
| CN113231927B CN113231927B (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110544995.8A Active CN113231927B (en) | 2021-05-19 | 2021-05-19 | Method for polishing special-shaped part |
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| Country | Link |
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| CN (1) | CN113231927B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3594953A (en) * | 1968-07-02 | 1971-07-27 | Lindner Gmbh Herbert | Cooling arrangement for thread-grinding machines |
| JPH1040508A (en) * | 1996-07-19 | 1998-02-13 | Toshiba Corp | Processing device for sliding surface of magnetic head and method therefor |
| CN102049719A (en) * | 2010-09-13 | 2011-05-11 | 湖南宇环同心数控机床有限公司 | Numerically controlled grinding machining method of camshaft |
| CN102059605A (en) * | 2010-09-06 | 2011-05-18 | 无锡海特精密模具有限公司 | Surface grinding machine surface R processing fixture |
| CN202684643U (en) * | 2012-08-09 | 2013-01-23 | 一拖(洛阳)开创装备科技有限公司 | Mechanical processing accurate positioning device |
| CN203696761U (en) * | 2013-10-16 | 2014-07-09 | 邹平田丰机械有限公司 | R-arc dressing device for grinding wheel |
| CN104476323A (en) * | 2014-11-18 | 2015-04-01 | 重庆齿轮箱有限责任公司 | Precision indexing device and method for large shaft parts |
| CN105215786A (en) * | 2015-09-25 | 2016-01-06 | 西安西航集团莱特航空制造技术有限公司 | A kind of simple and easy centering presetting cutter method for boring-mill work |
| CN206677341U (en) * | 2017-04-26 | 2017-11-28 | 四川航天职业技术学院 | Numerically controlled wire cutting machine Quick-positioning clamp |
| CN207606680U (en) * | 2017-11-10 | 2018-07-13 | 成都市龙泉星源机械厂 | A kind of grip device on punch former |
| CN111360595A (en) * | 2020-05-13 | 2020-07-03 | 遵义精星航天电器有限责任公司 | Device for grinding and processing bad material grooving blade |
-
2021
- 2021-05-19 CN CN202110544995.8A patent/CN113231927B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3594953A (en) * | 1968-07-02 | 1971-07-27 | Lindner Gmbh Herbert | Cooling arrangement for thread-grinding machines |
| JPH1040508A (en) * | 1996-07-19 | 1998-02-13 | Toshiba Corp | Processing device for sliding surface of magnetic head and method therefor |
| CN102059605A (en) * | 2010-09-06 | 2011-05-18 | 无锡海特精密模具有限公司 | Surface grinding machine surface R processing fixture |
| CN102049719A (en) * | 2010-09-13 | 2011-05-11 | 湖南宇环同心数控机床有限公司 | Numerically controlled grinding machining method of camshaft |
| CN202684643U (en) * | 2012-08-09 | 2013-01-23 | 一拖(洛阳)开创装备科技有限公司 | Mechanical processing accurate positioning device |
| CN203696761U (en) * | 2013-10-16 | 2014-07-09 | 邹平田丰机械有限公司 | R-arc dressing device for grinding wheel |
| CN104476323A (en) * | 2014-11-18 | 2015-04-01 | 重庆齿轮箱有限责任公司 | Precision indexing device and method for large shaft parts |
| CN105215786A (en) * | 2015-09-25 | 2016-01-06 | 西安西航集团莱特航空制造技术有限公司 | A kind of simple and easy centering presetting cutter method for boring-mill work |
| CN206677341U (en) * | 2017-04-26 | 2017-11-28 | 四川航天职业技术学院 | Numerically controlled wire cutting machine Quick-positioning clamp |
| CN207606680U (en) * | 2017-11-10 | 2018-07-13 | 成都市龙泉星源机械厂 | A kind of grip device on punch former |
| CN111360595A (en) * | 2020-05-13 | 2020-07-03 | 遵义精星航天电器有限责任公司 | Device for grinding and processing bad material grooving blade |
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| Publication number | Publication date |
|---|---|
| CN113231927B (en) | 2022-07-22 |
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