CN109500636B - Clamping method for vacuum adsorption tool sealing strip - Google Patents
Clamping method for vacuum adsorption tool sealing strip Download PDFInfo
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- CN109500636B CN109500636B CN201811277246.8A CN201811277246A CN109500636B CN 109500636 B CN109500636 B CN 109500636B CN 201811277246 A CN201811277246 A CN 201811277246A CN 109500636 B CN109500636 B CN 109500636B
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- sealing strip
- vacuum adsorption
- lubricant
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- adsorption tool
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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
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
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Abstract
The invention provides a clamping method of a vacuum adsorption tool sealing strip, which is characterized in that the sealing strip is laid in a sealing groove of a vacuum adsorption tool, the vacuum adsorption tool clamps a large-size and complex-structure part and forms a vacuum adsorption cavity through the sealing strip, and a lubricant is filled into the sealing groove with the laid sealing strip, so that the lubricant in the sealing groove does not overflow when the sealing strip is not in contact with the part and the lubricant in the sealing groove overflows when the sealing strip is in contact with the part. The lubricant is water or lubricating oil or cutting fluid. Aiming at the problem that the sealing strip of the existing vacuum adsorption tool is easy to pull up in the clamping process and causes part processing faults, the lubricating agent is filled in the sealing cavity to reduce the friction force between the part and the sealing strip, prevent the sealing strip from being pulled up, ensure the vacuum clamping state and reduce the part fault risk caused by the pulling up.
Description
Technical Field
The invention relates to the technical field of vacuum clamping, in particular to a clamping method of a vacuum adsorption tool sealing strip.
Background
With the development trend of large size and complicated structure of numerical control machining parts, in order to realize high precision, high efficiency and high quality of numerical control machining, a vacuum adsorption tool is used for improving the machining rigidity of the parts during numerical control machining of many parts. The principle is that a sealing area is arranged at the contact position of a part web and a tool, a sealing strip is laid to be separated from the non-sealing area, air in the sealing area is completely sucked by using an air extractor, the web is pressed down by utilizing atmospheric pressure to be attached to a tool body, the part and the tool are integrated, the purpose of compressing the part is achieved, and therefore the stability in the part machining process is improved.
In the clamping process of the existing vacuum adsorption tool, the part cannot be accurately hoisted right above the tool due to large volume, and the horizontal direction coincidence error of the two parts can reach more than 20 mm. In the process of moving the part to the correct position, the part is in contact with the sealing strip and generates large friction force, the sealing strip is easily pulled up, and the part is jacked up, so that the vacuum state is invalid, and the part is broken down.
Disclosure of Invention
Aiming at the problem that the existing vacuum adsorption tooling sealing strip is easy to pull up in the clamping process and causes part machining faults, the invention provides a clamping method of the vacuum adsorption tooling sealing strip, which is used for reducing the friction force between a part and the sealing strip, preventing the sealing strip from being pulled up, ensuring the vacuum clamping state and reducing the part fault risk caused by the pulling.
The invention is realized by the following technical scheme: a method for clamping a sealing strip of a vacuum adsorption tool comprises the steps of laying the sealing strip in a sealing groove of the vacuum adsorption tool, clamping a large-size and complex-structure part by the vacuum adsorption tool, forming a vacuum adsorption cavity through the sealing strip, and filling a lubricating agent into the sealing groove with the laid sealing strip, so that the lubricating agent in the sealing groove does not overflow when the sealing strip is not in contact with the part, and the lubricating agent in the sealing groove overflows when the sealing strip is in contact with the part.
A method for clamping a sealing strip of a vacuum adsorption tool comprises the steps of laying the sealing strip in a sealing groove of the vacuum adsorption tool, clamping a large-size part with a complex structure by the vacuum adsorption tool, forming a vacuum adsorption cavity through the sealing strip, firstly laying the sealing strip in the sealing groove of the vacuum adsorption tool, and then injecting a lubricant into the sealing groove until the liquid level of the lubricant is close to an overflow zero boundary point by visual inspection.
A method for clamping a sealing strip of a vacuum adsorption tool comprises the steps of laying the sealing strip in a sealing groove of the vacuum adsorption tool, clamping large-size and complex-structure parts by the vacuum adsorption tool and forming a vacuum adsorption cavity through the sealing strip, firstly laying the sealing strip in the sealing groove of the vacuum adsorption tool, then injecting a lubricant into the sealing groove, after injecting the lubricant into the sealing groove where the sealing strip is laid, slightly pressing the sealing strip by fingers to check whether the lubricant overflows or not, if the fingers slightly press the sealing strip, the lubricant overflows, then carrying out part clamping operation, and if the fingers slightly press the sealing strip, not, continuously injecting the lubricant into the sealing groove.
A method for clamping a sealing strip of a vacuum adsorption tool comprises the steps of laying the sealing strip in a sealing groove of the vacuum adsorption tool, clamping a large-size part with a complex structure by the vacuum adsorption tool, forming a vacuum adsorption cavity through the sealing strip, firstly laying the sealing strip in the sealing groove of the vacuum adsorption tool, and then injecting a lubricant into the sealing groove until the lubricant overflows a zero limit point.
A method for clamping a sealing strip of a vacuum adsorption tool comprises the steps of laying the sealing strip in a sealing groove of the vacuum adsorption tool, clamping a large-size part with a complex structure by the vacuum adsorption tool, forming a vacuum adsorption cavity through the sealing strip, laying the sealing strip in the sealing groove of the vacuum adsorption tool, and then injecting a lubricant into the sealing groove until the lubricant just overflows.
Further, in order to better implement the present invention, the lubricant is water.
Further, in order to better implement the present invention, the lubricant is a lubricating oil.
Further, in order to better implement the present invention, the lubricant is a cutting fluid.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the invention provides a clamping method of a vacuum adsorption tooling sealing strip, aiming at the condition of vacuum clamping of large-size and complex-structure parts, after a lubricant is filled in a sealing groove for operation, the condition that the sealing strip is rolled up due to overlarge friction force during part clamping can be greatly reduced, the part fault risk is greatly reduced, the part processing qualification rate is improved, and the resource loss in all aspects caused by part faults is reduced.
(2) The invention provides a clamping method of a vacuum adsorption tool sealing strip, a means of filling a lubricant into a sealing groove seems simple and easy to think, but no technical personnel think of solving the problem that the sealing strip is easy to curl up when a large-size part is vacuum clamped by using the means of filling the lubricant into the sealing groove after a vacuum adsorption tool is produced, thereby proving that the technical scheme of the invention is not easy to think but an unexpected ingenious concept on the contrary.
Drawings
FIG. 1 is a partial top view of a vacuum adsorption tool;
fig. 2 is a partial cross-sectional view of the vacuum adsorption tooling of fig. 1.
Wherein, 1-a sealing groove; 2-sealing strips; 3-an air exhaust groove; 4-air extraction holes.
Detailed Description
Example 1:
a method for clamping a sealing strip of a vacuum adsorption tool comprises the steps of laying the sealing strip 2 in a sealing groove 1 of the vacuum adsorption tool, clamping a large-size and complex-structure part by the vacuum adsorption tool, forming a vacuum adsorption cavity through the sealing strip 2, and filling a lubricating agent into the sealing groove 1 with the laid sealing strip 2, so that the lubricating agent in the sealing groove 1 does not overflow when the sealing strip 2 is not in contact with the part, and the lubricating agent in the sealing groove 1 overflows when the sealing strip 2 is in contact with the part. The lubricant is water or lubricating oil or cutting fluid.
That is to say, after the sealing strip 2 is laid in the sealing groove 1 of the vacuum adsorption tool, the sealing groove 1 is filled with the lubricant, when the sealing strip 2 is confirmed not to be applied with pressure, the lubricant does not overflow, the sealing strip 2 is lightly pressed by fingers, the lubricant overflows, and then the part is clamped on the vacuum adsorption tool.
As shown in fig. 1 and 2, in the vacuum adsorption tool, a sealing groove 1 is annularly arranged, a space formed by the sealing groove 1 is provided with an air exhaust groove 3 and an air exhaust hole 4 which are communicated with a vacuum pump, a sealing strip 2 is laid in the sealing groove 1 of the vacuum adsorption tool, and the sealing strip 2 is tightly pressed with the surface of a part and is exhausted by the vacuum pump to form a vacuum cavity when the part is clamped.
The invention provides a clamping method of a vacuum adsorption tooling sealing strip, which is characterized in that after a lubricant is filled into a sealing groove 1 for operation aiming at the condition of vacuum clamping of a large-size and complex-structure part, the condition that a sealing strip 2 is rolled up due to overlarge friction force during part clamping can be greatly reduced, the risk of part failure is greatly reduced, the processing qualification rate of the part is improved, and the resource loss in all aspects caused by the part failure is reduced.
The invention provides a clamping method of a vacuum adsorption tool sealing strip, a means of filling a lubricant into a sealing groove 1 seems simple and easy to think, but no technical personnel think of solving the problem that the sealing strip 2 is easy to curl up when a large-size part is clamped in vacuum by a means of filling the lubricant into the sealing groove 1 after a vacuum adsorption tool is produced, thereby proving that the technical scheme of the invention is not easy to think but unexpected ingenious conception on the contrary.
Example 2:
a method for clamping a sealing strip of a vacuum adsorption tool comprises the steps of laying a sealing strip 2 in a sealing groove 1 of the vacuum adsorption tool, clamping a large-size and complex-structure part by the vacuum adsorption tool, forming a vacuum adsorption cavity through the sealing strip 2, laying the sealing strip 2 in the sealing groove 1 of the vacuum adsorption tool, and then injecting a lubricant into the sealing groove 1 until the liquid level of the lubricant is close to an overflow zero boundary point by visual inspection.
Example 3:
a method for clamping a sealing strip of a vacuum adsorption tool comprises the steps of laying the sealing strip 2 in a sealing groove 1 of the vacuum adsorption tool, clamping a large-size and complex-structure part by the vacuum adsorption tool and forming a vacuum adsorption cavity through the sealing strip 2, firstly laying the sealing strip 2 in the sealing groove 1 of the vacuum adsorption tool, then injecting a lubricant into the sealing groove 1, after injecting the lubricant into the sealing groove 1 where the sealing strip 2 is laid, slightly pressing the sealing strip 2 with a finger to check whether the lubricant overflows or not, if the sealing strip 2 is slightly pressed by the finger, the lubricant overflows, then carrying out part clamping operation, and if the sealing strip 2 is slightly pressed by the finger, if the lubricant does not overflow, continuing injecting the lubricant into the sealing groove 1.
Example 4:
a method for clamping a sealing strip of a vacuum adsorption tool comprises the steps of laying a sealing strip 2 in a sealing groove 1 of the vacuum adsorption tool, clamping a large-size part with a complex structure by the vacuum adsorption tool, forming a vacuum adsorption cavity through the sealing strip 2, laying the sealing strip 2 in the sealing groove 1 of the vacuum adsorption tool, and then injecting a lubricant into the sealing groove 1 until the lubricant overflows a zero boundary point.
Example 5:
a method for clamping a sealing strip of a vacuum adsorption tool comprises the steps of laying a sealing strip 2 in a sealing groove 1 of the vacuum adsorption tool, clamping a large-size and complex-structure part by the vacuum adsorption tool, forming a vacuum adsorption cavity through the sealing strip 2, laying the sealing strip 2 in the sealing groove 1 of the vacuum adsorption tool, and then injecting a lubricant into the sealing groove 1 until the lubricant just overflows.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. A clamping method of a sealing strip of a vacuum adsorption tool is characterized in that a lubricating agent is filled into the sealing groove with the laid sealing strip, so that the lubricating agent in the sealing groove does not overflow when the sealing strip is not in contact with a part, and the lubricating agent in the sealing groove overflows when the sealing strip is in contact with the part.
2. The clamping method for the vacuum adsorption tool sealing strip according to claim 1, characterized in that: the sealing strip is laid in a sealing groove of a vacuum adsorption tool, and then the lubricant is injected into the sealing groove until the liquid level of the visual inspection lubricant is close to an overflow zero boundary point.
3. The clamping method of the vacuum adsorption tool sealing strip according to claim 2, characterized in that: after the lubricant is injected into the sealing groove for laying the sealing strip, the sealing strip is slightly pressed by fingers to check whether the lubricant overflows, if the lubricant overflows when the sealing strip is slightly pressed by the fingers, the part clamping operation can be carried out, and if the lubricant does not overflow when the sealing strip is slightly pressed by the fingers, the lubricant is continuously injected into the sealing groove.
4. The clamping method for the vacuum adsorption tool sealing strip according to claim 1, characterized in that: the sealing strip is laid in a sealing groove of a vacuum adsorption tool, and then the lubricant is injected into the sealing groove until the lubricant reaches an overflow zero boundary point.
5. The clamping method for the vacuum adsorption tool sealing strip according to claim 1, characterized in that: the sealing strip is laid in a sealing groove of a vacuum adsorption tool, and then the lubricant is injected into the sealing groove until the lubricant just overflows.
6. The clamping method of the vacuum adsorption tool sealing strip according to any one of claims 1 to 5, characterized in that: the lubricant is water.
7. The clamping method for the vacuum adsorption tool sealing strip according to claim 1, characterized in that: the lubricant is lubricating oil.
8. The clamping method for the vacuum adsorption tool sealing strip according to claim 1, characterized in that: the lubricant is cutting fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277246.8A CN109500636B (en) | 2018-10-30 | 2018-10-30 | Clamping method for vacuum adsorption tool sealing strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277246.8A CN109500636B (en) | 2018-10-30 | 2018-10-30 | Clamping method for vacuum adsorption tool sealing strip |
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| Publication Number | Publication Date |
|---|---|
| CN109500636A CN109500636A (en) | 2019-03-22 |
| CN109500636B true CN109500636B (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811277246.8A Active CN109500636B (en) | 2018-10-30 | 2018-10-30 | Clamping method for vacuum adsorption tool sealing strip |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112846865A (en) * | 2019-11-27 | 2021-05-28 | 杰纬特科技(苏州)有限公司 | A frock clamp for accurate metalwork |
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| JP3605609B2 (en) * | 2002-06-10 | 2004-12-22 | 株式会社セイワ | Vacuum chuck |
| CN203330742U (en) * | 2013-05-15 | 2013-12-11 | 苏州海寅光电科技有限公司 | Processing mold for CNC |
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| CN201128073Y (en) * | 2007-12-03 | 2008-10-08 | 济南一机床集团有限公司 | Negative-pressure type combined clamping device |
| CN201257601Y (en) * | 2008-09-05 | 2009-06-17 | 成都飞机工业（集团）有限责任公司 | Thin wall piece sucker |
| CN102837211A (en) * | 2012-09-04 | 2012-12-26 | 大连职业技术学院 | Vacuum clamp for machining thin-plate type part |
| WO2014043666A1 (en) * | 2012-09-17 | 2014-03-20 | Meacham G B Kirby | Reduced friction piston rings |
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| CN109500636A (en) | 2019-03-22 |
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