CN112067205B - Join in marriage gas tightness detection device of food tray - Google Patents
Join in marriage gas tightness detection device of food tray Download PDFInfo
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- CN112067205B CN112067205B CN201911237699.2A CN201911237699A CN112067205B CN 112067205 B CN112067205 B CN 112067205B CN 201911237699 A CN201911237699 A CN 201911237699A CN 112067205 B CN112067205 B CN 112067205B
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- oil distribution
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- cylinder
- plugging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses an air tightness detection device of an oil distribution disc, which comprises a bottom plate, wherein a fixing assembly for positioning the oil distribution disc, a plugging assembly for plugging an air vent of the oil distribution disc and a pull-down assembly are arranged on the bottom plate, and an upper pressing assembly for pressing the oil distribution disc is arranged above the bottom plate. During detection, the oil distribution disc is positioned on the bottom plate through the fixing assembly, the upper pressing assembly is used for compressing the fixed oil distribution disc, the plugging assembly and the lower pulling assembly are used for plugging all vent holes of the oil distribution disc, finally, testing is carried out, the testing result is compared with a numerical value measured by a standard qualified product, and a conclusion can be drawn. The detection device is designed, so that the qualified rear part of the oil distribution disc can be used, the safety is ensured, the detection is convenient and fast, and the efficiency is high.
Description
Technical Field
The invention relates to the technical field of automobile spare and accessory parts, in particular to an air tightness detection device of an oil distribution disc.
Background
The oil distributing disc is used in hydraulic motor or pump to distribute high and low oil paths, so that high pressure oil in the motor or pump outputs torque while high pressure oil in the motor or pump acts, and high pressure oil in the plunger cavity stopping outputting torque while low pressure oil (oil return) acts.
The existing oil distribution disc is a casting part, and because the internal flow channels are more, the structure is more complex, casting defects such as leakage holes, adjacent oil ducts and the like are easy to occur, and the oil distribution disc needs to be subjected to air tightness detection to ensure that the oil distribution disc is a qualified product to be used.
Disclosure of Invention
To the above-mentioned problem that exists among the prior art, aim at providing an air tightness detection device who joins in marriage the food tray, can carry out the air tightness to joining in marriage the food tray and detect conveniently, high-efficiently.
The specific technical scheme is as follows:
the air tightness detection device for the oil distribution disc comprises a bottom plate, wherein a fixing assembly used for positioning the oil distribution disc, a plugging assembly used for plugging an air vent of the oil distribution disc and a pull-down assembly are arranged on the bottom plate, and an upper pressing assembly used for pressing the oil distribution disc is arranged above the bottom plate.
Compared with the prior art, the invention has the following advantages:
during detection, the oil distribution disc is positioned on the bottom plate through the fixing assembly, the upper pressing assembly is used for compressing the fixed oil distribution disc, the plugging assembly and the lower pulling assembly are used for plugging all vent holes of the oil distribution disc, and finally, the test is carried out, and the conclusion is obtained by comparing the test results. The detection device is designed, so that the qualified rear part of the oil distribution disc can be used, the safety is ensured, the detection is convenient and fast, and the efficiency is high.
Preferably, the upper pressure component comprises a mounting plate, a lifting cylinder arranged above the mounting plate, a lifting component arranged below the mounting plate and a guide shaft, and the lifting component is driven by the lifting cylinder to move up and down along the guide shaft.
Preferably, the lifting assembly includes an upper lifting plate connected to the guide shaft, a lower lifting plate, and a support rod connecting the upper and lower lifting plates.
Preferably, the lifting assembly further comprises a pressing component, the pressing component comprises a pressing cylinder arranged on the lower lifting plate, the pressing cylinder is connected with a sealing plug, a cylinder guide rod is arranged below the lower lifting plate, the sealing plug moves along the cylinder guide rod under the driving of the pressing cylinder, and the sealing plug is used for plugging a hollow shaft hole of the oil distribution disc.
Preferably, a single-hole spring lower pressing rod and a double-hole spring lower pressing rod are arranged below the lower lifting plate and used for plugging six upper vent holes of the oil distribution disc.
Preferably, the fixing assembly comprises a fixing plate arranged on the base plate, and a positioning pin and a flange positioning seat arranged on the fixing plate.
Preferably, the plugging assembly comprises a lower hole plugging piece, a single hole plugging piece and a double hole plugging piece which are arranged on the fixed plate, wherein the lower hole plugging piece is used for plugging the only lower vent hole of the oil distribution disc.
Preferably, the single-hole plugging piece comprises a side hole plugging cylinder, a connecting block connected with the side hole plugging cylinder, a quick connector and a small sealing piece, wherein the quick connector and the small sealing piece are arranged on the connecting block, and the quick connector and the small sealing piece plug a middle shaft vent hole of the oil distribution disc.
Preferably, the pull-down assembly comprises an installation frame fixedly connected with the bottom plate, a pull-down cylinder arranged on the installation frame, and an elastic plugging block connected with the pull-down cylinder and arranged on the flange positioning seat. When the pull-down cylinder contracts, the elastic blocking block deforms due to tension to block the four middle shaft vent holes of the oil distribution disc.
Drawings
FIG. 1 is a schematic view showing the overall structure of an oil distribution pan according to the present invention;
FIG. 2 is a schematic view of the entire structure of an air tightness detecting device of an oil distribution pan according to the present invention;
FIG. 3 is a schematic structural diagram of a pressing assembly according to the present invention;
FIG. 4 is a schematic diagram of a pull-down assembly according to the present invention.
In the attached drawings, 1, an oil distribution disc; 1.1, a middle shaft vent hole; 1.2, side vent holes; 1.3, an upper vent hole; 1.4, a lower vent hole; 2. a base plate; 3. a fixing component; 3.1, fixing a plate; 3.2, positioning pins; 3.3, positioning a flange; 4. an upper pressing assembly; 4.1, mounting a plate; 4.2, a lifting cylinder; 4.3, a guide shaft; 4.4, a lifting component; 4.4.1, an ascending and descending plate; 4.4.2, a lower lifting plate; 4.4.3, a support rod; 4.4.4, a pressing cylinder; 4.4.5, sealing the plug; 4.4.6, cylinder guide rod; 4.4.7, a single-hole spring lower pressing rod; 4.4.8, a double-hole spring lower pressing rod; 5. a plugging component; 5.1, a lower hole plugging piece; 5.2, single-hole plugging pieces; 5.2.1, plugging the cylinder by side holes; 5.2.2, connecting blocks; 5.2.3, a quick connector; 5.2.4, small seal; 5.3, a double-hole plugging piece; 6. a pull-down component; 6.1, mounting frames; 6.2, pulling down the cylinder; 6.3, elastic plugging blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a structure of an oil distribution disc 1 is shown, the oil distribution disc 1 has seven flow passages and four middle shaft vent holes 1.1, each flow passage corresponds to one side vent hole 1.2 and one upper vent hole 1.3 or one lower vent hole 1.4, and when air tightness detection is carried out, the vent holes need to be blocked for testing.
As shown in figure 2, the air tightness detection device of the oil distribution disc 1 comprises a bottom plate 2, wherein a fixing assembly 3 for positioning the oil distribution disc 1, a plugging assembly 5 for plugging vent holes of the oil distribution disc 1 and a pull-down assembly 6 are arranged on the bottom plate 2, and an upper pressing assembly 4 for pressing the oil distribution disc 1 is arranged above the bottom plate 2. During detection, the oil distribution disc 1 is positioned on the bottom plate 2 through the fixing assembly 3, the oil distribution disc 1 is fixedly compressed by the upward pressing assembly 4, all vent holes of the oil distribution disc 1 are blocked by the blocking assembly 5 and the downward pulling assembly 6, and finally, a test result is compared to obtain a conclusion. The detection device is designed, so that the qualified rear part of the oil distribution disc 1 can be used, and the safety is ensured.
The specific structure is as follows:
as shown in fig. 4, the fixing assembly 3 includes a fixing plate 3.1 disposed on the bottom plate 2, and a positioning pin 3.2 and a flange positioning seat 3.3 disposed at a middle position of the fixing plate 3.1, wherein the positioning pin 3.2 and the flange positioning seat 3.3 are used for positioning the oil distribution pan 1. During installation, the oil distribution disc 1 is installed according to the positioning pin 3.2 and the flange positioning seat 3.3, positioning is accurate, and installation is convenient and fast.
As shown in fig. 3, the upper pressing assembly 4 includes a mounting plate 4.1, a lifting cylinder 4.2 disposed above the mounting plate 4.1, a lifting assembly 4.4 disposed below the mounting plate 4.1, and two guide shafts 4.3, wherein the lifting assembly 4.4 is driven by the lifting cylinder 4.2 to move up and down along the guide shafts 4.3, and the two guide shafts 4.3 are disposed on two sides of the mounting plate 4.1. The lifting assembly 4.4 comprises an upper lifting plate 4.4.1 and a lower lifting plate 4.4.2 which are connected to the guide shaft 4.3, and supporting rods 4.4.3 which connect the upper lifting plate and the lower lifting plate, wherein in the embodiment, the number of the supporting rods 4.4.3 is four, which can play a role in stabilizing the lifting assembly 4.4.
The lifting assembly 4.4 further comprises a pressing component, the pressing component comprises a pressing cylinder 4.4.4 arranged on the lower lifting plate 4.4.2, a sealing plug 4.4.5 is connected to the pressing cylinder 4.4.4, a cylinder guide rod 4.4.6 is arranged below the lower lifting plate 4.4.2, the sealing plug 4.4.5 can move along the cylinder guide rod 4.4.6 under the driving of the pressing cylinder 4.4.4, and the sealing plug 4.4.5 is used for pressing the upper end face of the shaft hole of the oil distribution plate 1. Four single-hole spring lower pressing rods 4.4.7 and a double-hole spring lower pressing rod 4.4.8 are arranged below the lower lifting plate 4.4.2 and used for plugging six upper vent holes 1.3 of the oil distribution disc 1. When the lifting cylinder 4.2 extends out, the whole lifting assembly 4.4 descends to block the upper vent hole 1.3 of the oil distribution disc 1, the pressing cylinder 4.4.4 extends out, and the sealing plug 4.4.5 is in contact with and presses the upper end face of the hollow shaft hole of the oil distribution disc 1.
As shown in fig. 4, the blocking assembly 5 is used for blocking all six side vent holes 1.2 and one lower vent hole 1.4 of the oil distribution disc 1, and comprises a lower hole blocking piece 5.1, a single hole blocking piece 5.2 and a double hole blocking piece 5.3 which are all arranged on a fixed plate 3.1, wherein the lower hole blocking piece 5.1 is used for blocking the only lower vent hole 1.4 of the oil distribution disc 1; the single-hole plugging piece 5.2 comprises a side hole plugging cylinder 5.2.1, a connecting block 5.2.2 connected with the side hole plugging cylinder 5.2.1, a quick connector 5.2.3 arranged on the connecting block 5.2.2 and a small sealing piece 5.2.4, wherein the small sealing piece 5.2.4 is used for plugging a side vent hole 1.2 of the oil distribution disc 1, and an air flowing groove is also arranged in the connecting block 5.2.2; the double-hole plugging piece 5.3 can simultaneously plug two side vent holes 1.2 of the oil distribution disc 1. In this embodiment, the number of single-hole plugs 5.2 is four, and the number of double-hole plugs 5.3 is one.
The pull-down assembly 6 is located below the bottom plate 2 and used for plugging all four middle shaft air vents 1.1 of the oil distribution plate 1, the pull-down assembly 6 comprises an installation frame 6.1 fixedly connected with the bottom plate 2, a pull-down cylinder 6.2 arranged on the installation frame 6.1 and an elastic plugging block which is connected with the pull-down cylinder 6.2 and arranged on the flange positioning seat 3.3, and when the pull-down cylinder 6.2 contracts, the elastic plugging block deforms due to tension to plug the four middle shaft air vents 1.1 of the oil distribution plate 1.
During detection, after all vent holes of the oil distribution disc 1 are plugged, compressed air is sequentially introduced into an oil duct connected with the side hole plugging air cylinder 5.2.1, and after pressure maintaining is carried out for a certain time, comparison is carried out according to the leakage quantity result of the air tightness tester and the measured numerical value of a standard qualified product, and whether the product is qualified or not is judged.
When the device is used, the oil distribution disc 1 is placed on the fixed plate 3.1 according to the positions of the positioning pin 3.2 and the flange positioning seat 3.3, the lifting cylinder 4.2 above the mounting plate 4.1 is started, the lifting assembly 4.4 moves along the guide shaft 4.3 under the driving of the lifting cylinder 4.2 and is adjusted to a proper position, the pressing cylinder 4.4.4 is started, the sealing plug 4.4.5 moves along the cylinder guide rod 4.4.6 under the driving of the pressing cylinder 4.4.4.4, the upper end face of the shaft hole of the oil distribution disc 1 is sealed after moving to a proper position, meanwhile, the four single-hole spring lower compression rods 4.4.7 and the double-hole spring lower compression rod 4.4.8 below the lifting plate also seal six upper vent holes 1.3 of the oil distribution disc 1, other vent holes of the oil distribution disc 1 are sealed through the sealing assembly 5 and the lower compression assembly 6, after all vent holes are sealed, compressed air is sequentially communicated with the side hole sealing cylinder 5.2.1, and the air tightness of the oil duct is measured according to a qualified standard product according to the result of a pressure maintaining tester after a certain time, and judging whether the product is qualified. The device is convenient, fast, efficient and very practical in detection.
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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.
Claims (5)
1. An air tightness detection device of an oil distribution disc comprises a bottom plate (2), and is characterized in that: the oil distribution plate is characterized in that a fixing assembly (3) for positioning the oil distribution plate (1), a plugging assembly (5) for plugging a vent hole of the oil distribution plate (1) and a pull-down assembly (6) are arranged on the bottom plate (2), and an upper pressing assembly (4) for pressing the oil distribution plate (1) is arranged above the bottom plate (2);
the upper pressing assembly (4) comprises a mounting plate (4.1), a lifting cylinder (4.2) arranged above the mounting plate (4.1), a lifting assembly (4.4) arranged below the mounting plate (4.1) and a guide shaft (4.3), and the lifting assembly (4.4) is driven by the lifting cylinder (4.2) to move up and down along the guide shaft (4.3);
the lifting assembly (4.4) comprises an upper lifting plate (4.4.1) connected to the guide shaft (4.3), a lower lifting plate (4.4.2) and a support rod (4.4.3) connecting the upper lifting plate and the lower lifting plate;
the lifting assembly (4.4) further comprises a pressing component, the pressing component comprises a pressing cylinder (4.4.4) arranged on the lower lifting plate (4.4.2), the pressing cylinder (4.4.4) is connected with a sealing plug (4.4.5), a cylinder guide rod (4.4.6) is arranged below the lower lifting plate (4.4.2), and the sealing plug (4.4.5) moves along the cylinder guide rod (4.4.6) under the driving of the pressing cylinder (4.4.4);
a single-hole spring lower pressing rod (4.4.7) and a double-hole spring lower pressing rod (4.4.8) are arranged below the lower lifting plate (4.4.2).
2. The airtightness detection apparatus for an oil distribution pan according to claim 1, wherein: the fixing component (3) comprises a fixing plate (3.1) arranged on the bottom plate (2), a positioning pin (3.2) arranged on the fixing plate (3.1) and a flange positioning seat (3.3).
3. The airtightness detection apparatus for an oil distribution pan according to claim 2, wherein: the plugging component (5) comprises a lower hole plugging piece (5.1), a single hole plugging piece (5.2) and a double hole plugging piece (5.3) which are arranged on a fixing plate (3.1).
4. The airtightness detection apparatus of the oil distribution pan according to claim 3, characterized in that: the single-hole plugging piece (5.2) comprises a side hole plugging cylinder (5.2.1), a connecting block (5.2.2) connected with the side hole plugging cylinder (5.2.1), a quick connector (5.2.3) arranged on the connecting block (5.2.2) and a small sealing piece (5.2.4).
5. The airtightness detection apparatus for an oil distribution pan according to claim 2, wherein: the pull-down assembly (6) comprises a mounting frame (6.1) fixedly connected with the bottom plate (2), a pull-down cylinder (6.2) arranged on the mounting frame (6.1), and an elastic plugging block (6.3) connected with the pull-down cylinder (6.2) and arranged on the flange positioning seat (3.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237699.2A CN112067205B (en) | 2019-12-06 | 2019-12-06 | Join in marriage gas tightness detection device of food tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237699.2A CN112067205B (en) | 2019-12-06 | 2019-12-06 | Join in marriage gas tightness detection device of food tray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112067205A CN112067205A (en) | 2020-12-11 |
| CN112067205B true CN112067205B (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911237699.2A Active CN112067205B (en) | 2019-12-06 | 2019-12-06 | Join in marriage gas tightness detection device of food tray |
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| CN (1) | CN112067205B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155098A (en) * | 2014-08-26 | 2014-11-19 | 温州伟望塑业电气有限公司 | Detection equipment of performance of automobile one-way valve |
| CN105334007A (en) * | 2015-11-21 | 2016-02-17 | 重庆平波机械有限公司 | Clamp capable of realizing workpiece press-fitting and airtightness detection |
| CN108982025A (en) * | 2016-08-26 | 2018-12-11 | 青岛华涛汽车模具有限公司 | A kind of all-in-one machine having both airtight detection and the cold plugging function of metallic sheath |
| CN209198010U (en) * | 2018-12-28 | 2019-08-02 | 宁波博曼特工业有限公司 | A kind of air tightness detection apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4524866A (en) * | 1984-03-09 | 1985-06-25 | Pollacco Paul J | Motor oil catch pan and motor oil change kit incorporating the same |
| CN204165709U (en) * | 2014-08-29 | 2015-02-18 | 天津市易泰柯自动控制设备有限公司 | For detecting the equipment of valve Work piece sealing |
| CN207439621U (en) * | 2017-06-27 | 2018-06-01 | 无锡科隆试验设备有限公司 | A kind of air-tightness detection device of Automobile flywheel shell |
| CN109738170B (en) * | 2018-11-30 | 2020-12-11 | 宁波新松机器人科技有限公司 | Detection positioning device and method for oil disc shaft |
-
2019
- 2019-12-06 CN CN201911237699.2A patent/CN112067205B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155098A (en) * | 2014-08-26 | 2014-11-19 | 温州伟望塑业电气有限公司 | Detection equipment of performance of automobile one-way valve |
| CN105334007A (en) * | 2015-11-21 | 2016-02-17 | 重庆平波机械有限公司 | Clamp capable of realizing workpiece press-fitting and airtightness detection |
| CN108982025A (en) * | 2016-08-26 | 2018-12-11 | 青岛华涛汽车模具有限公司 | A kind of all-in-one machine having both airtight detection and the cold plugging function of metallic sheath |
| CN209198010U (en) * | 2018-12-28 | 2019-08-02 | 宁波博曼特工业有限公司 | A kind of air tightness detection apparatus |
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| CN112067205A (en) | 2020-12-11 |
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