CN203587293U - Precision checking tool for air tightness detection device - Google Patents
Precision checking tool for air tightness detection device Download PDFInfo
- Publication number
- CN203587293U CN203587293U CN201320739358.7U CN201320739358U CN203587293U CN 203587293 U CN203587293 U CN 203587293U CN 201320739358 U CN201320739358 U CN 201320739358U CN 203587293 U CN203587293 U CN 203587293U
- Authority
- CN
- China
- Prior art keywords
- groove
- precision
- detection device
- block
- tightness detection
- 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.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 239000011148 porous material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012795 verification Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Gripping On Spindles (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
The utility model relates to the field of clamp detection, and particularly relates to a precision checking tool for an air tightness detection device. The precision checking tool is characterized in that a checking block is provided with a first groove, the plane, where the first groove is reserved, of the checking block is a plane, the depth of the first groove equals to a clearance safety value, and precision checking can be completed through aligning the first groove to a positioning supporting block. The tool replaces a workpiece with the checking block and replaces the clearance of a feeler gauge plugged below the workpiece with the depth of the first groove, thereby being simple and convenient to operate, reducing the artificial operation error at the same time, and ensuring the detection precision.
Description
Technical field
The utility model relates to fixture detection field, particularly the precision checking frock of air-tightness detection device.
Background technology
It is to detect the state that part locating surface contacts with supporting block for location in fixture that impermeability detects.Owing to often can falling to having iron filings, dust etc. on rest pad; cause can there be certain gap between locating surface and rest pad, affect the positioning precision of workpiece, so need to carry out impermeability detection; judge whether clamping workpiece positioning precision meets technological requirement, reach and avoid clamping workpiece location mistake.When air-tightness detection device detects gap and is less than gap safety value, (gap safety value is a numerical value, when gap is less than or equal to this value, Pneumatic pressure switch is normally connected, but when gap is greater than this value, Pneumatic pressure switch is disconnected and lathe starts to report to the police), Pneumatic pressure switch is normally connected, do not affect crudy, can process; When gap is greater than gap safety value, leakage rate is large, and sealed gaseous tension reduces to being less than pressure switch setting value, and lathe starts to report to the police, and must shut down maintenance.But after the long-time use of air-tightness detection device, supporting block for location has wearing and tearing, it is large that air vent aperture on it can become, it is coarse that surface also can become, air leakage can become greatly naturally, and gaseous tension reduces to being less than pressure switch setting value, causes lathe false alarm or does not report to the police, have a strong impact on detection degree of accuracy, now need the precision of verification air-tightness detection device.
Carrying out impermeability precision checking, be that workpiece is placed directly on fixture at present, recycling clearance gauge carries out detection check.The concrete method of inspection is that the clearance gauge that thickness is equaled to gap safety value is filled between workpiece and back-up block, adjusts throttling valve, until Pneumatic pressure switch is connected by little arrival; Because workpiece is heavier, clamping workpiece is wasted time and energy.While utilizing clearance gauge to detect, use the clearance gauge of different size progressively to detect, precision cannot guarantee, efficiency is low; Subregion is due to space constraint, and artificial being difficult to operates.
Summary of the invention
It is high that the purpose of this utility model is to provide a kind of precision, operates the precision checking frock of light and handy air-tightness detection device.
For achieving the above object, the utility model has adopted following technical scheme: a kind of precision checking frock of air-tightness detection device, check block is provided with the first groove check block, and to offer the face of the first groove be plane, and the groove depth of the first described groove equals gap safety value.
Owing to adopting above technical scheme, the pore on the first groove alignment positioning support bracer just can be completed to precision checking.This frock replaces workpiece with check block, by the degree of depth of the first groove, replaces the gap of clearance gauge plug under workpiece, easy to operate, has also reduced to think operate miss simultaneously, guarantees accuracy of detection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As Fig. 1, a kind of precision checking frock of air-tightness detection device, check block 10 is provided with the first groove 11, and the face that check block 10 is offered the first groove 11 is plane, and the groove depth of the first described groove 11 equals gap safety value.The face of offering groove on check block 10 is plane can guarantee that the first groove 11 is aimed at the pore on back-up blocks time, and face and the back-up block of groove periphery fit tightly, thereby the degree of depth of assurance groove equals gap length.The using method of this checking tool is: the notch of the first groove 11 is aimed to the pore on back-up block, and this step is the equal of first that the clearance gauge that thickness is equaled to gap safety value is filled between workpiece and back-up block.Ascending adjustment throttling valve, until Pneumatic pressure switch is connected, sends gas and examines qualified signal, thus the verification of finishing device degree of accuracy.If while regulating throttling valve there is no effect, change back-up block.As for the concrete control method of throttling valve, these technician can rule of thumb regulate, and repeat no more herein.
The first groove 11 is offered in one end of described check block 10, and the other end is offered the second groove 12, and the face that check block 10 is offered the second groove 12 is plane, and the groove depth of the second described groove 12 is greater than the groove depth of the first groove 11.The degree of depth that is to say the second groove 12 is greater than gap safety value, if air-tightness detection device precision is talked about normally, when the pore on the notch aligning back-up block of the second groove 12 detects, lathe can be reported to the police, so the utility model carries out the degree of accuracy of the pick-up unit after detection check with the second groove 12.The using method of this checking tool is so: first the notch of the first groove 11 is aimed to the pore on back-up block, ascending adjustment throttling valve, until Pneumatic pressure switch is connected.Then the notch of the second groove 12 is aimed to the pore on back-up block, this step is the equal of that the clearance gauge that thickness is greater than to gap safety value is filled between workpiece and back-up block, if now the force value of Pneumatic pressure switch is starkly lower than setting value, and lathe is reported to the police, and illustrates that air-tightness detection device degree of accuracy meets the demands.The utility model replaces workpiece with check block 10, by the degree of depth of first, second groove 11,12, replaces the gap of clearance gauge plug under workpiece, and easy to operate, laborsaving, a people just can operate, and saves a large amount of man-hours.First, second groove 11,12 adopts ground by high-accuracy grinding machine simultaneously, and precision reaches 1 μ m level, has reduced manual operation error, guarantees accuracy of detection.For the ease of being identified in check block 10, offering first groove 11 one end and mark " qualified " printed words, mark " defective " printed words offering second groove 12 one end.Checking tool in the utility model can be also to be combined by two check blocks, on a check block, offers the first groove 11, offers the second groove 12 on another check block, for the ease of preserving, and the preferably front a kind of scheme of the utility model.
Described the first groove 11 and the second groove 12 are flat-bottom slot.The bottom land that is to say same groove is consistent with the gap between back-up block, guarantees that the gaseous tension of sealing in groove approaches theoretical value more, further improves checking precision.
Described check block 10 is rectangular block shape.In the utility model, preferentially select a check block 10, the first groove 11 is offered in its one end, the other end is offered the second groove 12, operator's verification of different step of only check block 10 need to being turned around just can realize in the time of verification, and simple and fast more operates.The check block 10 of rectangular block shape is convenient to processing, can save processing cost.
Described the first groove 11 and the second groove 12 are rectangular recess, and rectangular recess is convenient to processing, are also more prone to guarantee the machining precision of groove simultaneously, have further improved checking precision.
Claims (5)
1. the precision checking frock of an air-tightness detection device, it is characterized in that: check block (10) is provided with the first groove (11), the face that check block (10) is offered the first groove (11) is plane, and the groove depth of described the first groove (11) equals gap safety value.
2. the precision checking frock of air-tightness detection device according to claim 1, it is characterized in that: the first groove (11) is offered in one end of described check block (10), the other end is offered the second groove (12), the face that check block (10) is offered the second groove (12) is plane, and the groove depth of described the second groove (12) is greater than the groove depth of the first groove (11).
3. the precision checking frock of air-tightness detection device according to claim 1 and 2, is characterized in that: described the first groove (11) and the second groove (12) are flat-bottom slot.
4. the precision checking frock of air-tightness detection device according to claim 1 and 2, is characterized in that: described check block (10) is rectangular block shape.
5. the precision checking frock of air-tightness detection device according to claim 3, is characterized in that: described the first groove (11) and the second groove (12) are rectangular channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739358.7U CN203587293U (en) | 2013-11-20 | 2013-11-20 | Precision checking tool for air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739358.7U CN203587293U (en) | 2013-11-20 | 2013-11-20 | Precision checking tool for air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587293U true CN203587293U (en) | 2014-05-07 |
Family
ID=50585196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739358.7U Expired - Lifetime CN203587293U (en) | 2013-11-20 | 2013-11-20 | Precision checking tool for air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587293U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848995A (en) * | 2015-05-15 | 2015-08-19 | 奇瑞汽车股份有限公司 | Clamp positioning surface sealing performance detection method |
| CN107356380A (en) * | 2017-06-21 | 2017-11-17 | 南京世界村汽车动力有限公司 | Fixture air-tightness accuracy checking method |
| CN111854653A (en) * | 2020-08-05 | 2020-10-30 | 上海永茂泰汽车零部件有限公司 | Workpiece seating air detection system validity checking system and method |
-
2013
- 2013-11-20 CN CN201320739358.7U patent/CN203587293U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848995A (en) * | 2015-05-15 | 2015-08-19 | 奇瑞汽车股份有限公司 | Clamp positioning surface sealing performance detection method |
| CN107356380A (en) * | 2017-06-21 | 2017-11-17 | 南京世界村汽车动力有限公司 | Fixture air-tightness accuracy checking method |
| CN111854653A (en) * | 2020-08-05 | 2020-10-30 | 上海永茂泰汽车零部件有限公司 | Workpiece seating air detection system validity checking system and method |
| CN111854653B (en) * | 2020-08-05 | 2022-03-15 | 上海永茂泰汽车零部件有限公司 | Workpiece seating air detection system validity checking system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202428209U (en) | High-precision blank work piece positioning mechanism | |
| CN204108707U (en) | A kind of fixture that can switch workpiece fast | |
| CN203679805U (en) | Blank workpiece positioning air tightness detecting device | |
| CN203587293U (en) | Precision checking tool for air tightness detection device | |
| CN103084340B (en) | A kind of air tightness test sorting plant automatically | |
| CN204148927U (en) | A kind of Four-axis milling center machine adds turntable clamper | |
| CN103406783B (en) | Engine cylinder head end face drilling and milling method | |
| CN210677866U (en) | Machining clamp with air leakage detection function | |
| CN203337347U (en) | Multi cavity air tightness test device | |
| CN102581695B (en) | Method for quick fixture positioning for numerical control machine and tool setting device | |
| CN203495587U (en) | Clamping mistake proofing device for clamp air leakage detecting | |
| CN203837616U (en) | Outer correction machine of mechanical processing machine | |
| CN204584871U (en) | Digit Control Machine Tool adherence confirms device | |
| CN206493088U (en) | A kind of piston press-loading device | |
| CN201776667U (en) | Detection device for workpiece clamping of machine tool | |
| CN204694409U (en) | PE ball valve air tightness test machine | |
| CN203918643U (en) | For the gas inspection positioner of jig | |
| CN207757338U (en) | A kind of knife rest of accurate detection handle of a knife | |
| CN104568346A (en) | Leakage test equipment for elbow pneumatic tube joint | |
| CN203426790U (en) | Pneumatic pressure device for detecting distance between part and tool | |
| CN204301998U (en) | A kind of bearing outer ring workpiece automatic detecting machine | |
| CN103084816A (en) | Method capable of conveniently ensuring coaxiality of power head main shaft and theory machining hole | |
| CN204286264U (en) | A kind of cubing for right front steering knuckle | |
| CN204422156U (en) | Elbow pneumatic tube joint leak test device | |
| CN204788805U (en) | A check -up instrument for airtight detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |