CN2249409Y - Internal-pressure resisting ability measuring device for glass bottle - Google Patents
Internal-pressure resisting ability measuring device for glass bottle Download PDFInfo
- Publication number
- CN2249409Y CN2249409Y CN 95243638 CN95243638U CN2249409Y CN 2249409 Y CN2249409 Y CN 2249409Y CN 95243638 CN95243638 CN 95243638 CN 95243638 U CN95243638 U CN 95243638U CN 2249409 Y CN2249409 Y CN 2249409Y
- Authority
- CN
- China
- Prior art keywords
- glass bottle
- pressure
- seal
- jar
- booster rod
- 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 - Fee Related
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Abstract
The utility model relates to an internal-pressure resisting ability measuring device for a glass bottle. The utility model is composed of a pressurizing rod which can move axially, a seal head which is provided with two-stage seal of the seal component of a rod and the seal component of a bottle opening, and a measuring instrument. The seal head is penetrated by the pressurizing rod, a glass bottle whose internal pressure needs to be measured is led into the utility model to cause the liquid in the glass bottle to be directly pressurized, the measuring instrument is connected with the pressurizing rod, and the variation of the pressure can be directly measured. The measuring process can also be controlled by a microcomputer to carry out processing, display and storage for relevant data. The utility model has the advantages of simple structure, strong reliability, high measuring precision and convenient operation.
Description
The utility model relates to a kind of device for pressure measurement, particularly a kind of glass bottle and jar internal pressure-resistant measurement mechanism.
Existing glass bottle and jar internal pressure-resistant measurement mechanism, generally with hydraulic pump as supercharging device, by corresponding pipeline,, thereby finish measurement to the glass bottle and jar internal pressure-resistant to the liquid in the tested glass bottle and jar of filling liquid pressurization.As " the BPSY-1 glass bottle and jar compression resistance testing machine " that engine factory in Ningbo produces, be power with pressurized air, driven plunger formula hydraulic pump is to the pressurization of the liquid in the glass bottle and jar, and its process of boosting is controlled by pressure regulator valve.And for example " the Ramp pressure tester " of the production of U.S. AGR company is power with the servomotor, and driven plunger formula hydraulic pump is to the pressurization of the liquid in the glass bottle and jar, and employing electromechanical logical circuit is controlled the process of boosting.The glass bottle and jar internal pressure-resistant measurement mechanism of this employing hydraulic pump pressurization, complex structure, pipeline are long, easily produce and leak or obstruction; Measurement instrument easily causes dynamic pressure losses away from tested glass bottle and jar, influences measuring accuracy; Pressure correction process complexity, operation inconvenience; The liquid medium that transmits pressure flow through liquid pump, valve, and pipeline, need to liquid medium filter, processing such as deionization, in order to avoid cause corrosion.
The purpose of this utility model is: a kind of simple in structure, good reliability, measuring accuracy height are provided, and the glass bottle and jar internal pressure-resistant measurement mechanism of being convenient to operate.
Further purpose of the present utility model is: a kind of glass bottle and jar internal pressure-resistant measurement mechanism with intelligent function is provided.
Task of the present utility model is finished like this: form glass bottle and jar internal pressure-resistant measurement mechanism by supercharging device, seal head and measurement instrument, supercharging device is for can make axially movable booster rod, and booster rod runs through seal head, and feeding needs to measure interior glass bottle and jar of pressing.During work, directly to the pressurization of the liquid in the glass bottle and jar, measurement instrument links to each other with booster rod mobile booster rod, directly the variation of gaging pressure.Be provided with the sealing of shaft seal and bottleneck seal two-stage in the seal head, to improve its sealing reliability.
Further task of the present utility model is finished like this: form glass bottle and jar internal pressure-resistant measurement mechanism by seal head and the measurement instrument that can make axially movable booster rod, have a sealing of shaft seal and bottleneck seal two-stage.Measurement instrument is made of pressure transducer and pressure control circuit, pressure control circuit is provided with an output terminal and two input ends, output terminal is connected with the supercharging motor, input end is connected with pressure transducer with microcomputer respectively, controlling its measuring process, and relevant data is handled, shows, stored.
The utility model can be made axially movable booster rod owing to having adopted, and can simplify apparatus structure directly to the pressurization of the liquid in the glass bottle and jar; And needn't do any processing to the liquid medium that transmits pressure, reduce job costs;
Measurement instrument links to each other with booster rod, and the directly variation of gaging pressure reduces dynamic pressure losses, improves measuring accuracy;
Be provided with the sealing of shaft seal and bottleneck seal two-stage in the seal head, sealing reliability is strong; Adopt its measuring process of system controlled by computer, make device have intelligent function, pressure correction can once be finished; Further improved functional reliability, also can handle, show, store relevant data.
Below, introduce the utility model in conjunction with the accompanying drawings in detail.
Figure one is a work synoptic diagram of the present utility model
Figure two is an operating circuit schematic diagram of the present utility model
Figure three is pressure control circuit figure of the present utility model
Embodiment one
In tested glass bottle and jar 6, fill water 7, be placed on the measuring position.Can make axially movable booster rod 2 and run through seal head 4, directly feed this glass bottle and jar 6.Employing can realize straight-line standard machinery mechanism, as the axially movable power source of booster rod, as screw pair, cam mechanism, toggle etc.Measurement instrument 1 links to each other with booster rod 2, so that the directly variation of gaging pressure.Be provided with the sealing of shaft seal 3 and bottleneck seal 5 two-stages in the seal head 4, move when pressurization to guarantee booster rod 2, glass bottle opening and booster rod 2 still are in sealing state.During work, mobile booster rod 2 is directly to 7 pressurizations of the water in the glass bottle and jar 6.Because the approximate rigid bodies of glass bottle and jar 6, and the water 7 in the glass bottle and jar almost can not compress, the therefore increase of moving insertion force along with booster rod 2, and under the transfer function of water, the internal pressure of glass bottle and jar also increases.Can be directly acquainted with the variation of gaging pressure by the measurement instrument 1 that links to each other with booster rod 2.Measurement instrument 1 can adopt and can keep the extremely tensimeter of the value of reading.Also can adopt the electronic pressure sensor, so that output electric signal control pressurization improves pressure precision.When tested glass bottle and jar 1 withstand voltage higher, can carry out high pressure sealing to booster rod 2 and glass bottle opening.
Embodiment two
In tested glass bottle and jar 6, fill water 7, be placed on the measuring position.Can make axially movable booster rod 2 and run through seal head 4, directly feed this glass bottle and jar 6.Measurement instrument 1 is made of pressure transducer and pressure control circuit, and two output terminals of pressure transducer are connected to two input ends of amplifier, and the output terminal of amplifier is received the in-phase input end of comparer and the input end of subtracter.Pressure control circuit comprises digital to analog converter, subtracter, arithmetical unit, deviation amplifier etc., two input ends of subtracter are connected with the output terminal of digital to analog converter and amplifier respectively, its output terminal is connected to the in-phase input end of arithmetical unit, and the output of deviation amplifier links to each other with supercharging motor M 2 through triode.Be provided with the sealing of shaft seal 3 and bottleneck seal 5 two-stages in the seal head 4, move when pressurization to guarantee booster rod 2, glass bottle opening and booster rod 2 still are in sealing state.During work, motor M 1 drives seal head 4 and compresses bottleneck seal 5.Microcomputer calculates the real-time pressure value according to measurement requirement, it produces the Vi signal in pressure control circuit, become the deviation signal amplifier through pressure transducer and subtracter, drive servo supercharging motor M 2 and directly the water in the glass bottle and jar 67 is pressurizeed through the booster rod 2 that the gearing drive links to each other with pressure transducer.Under the effect of arithmetical unit, microcomputer can be controlled the water institute applied pressure in 3 pairs of glass bottle and jars of booster rod automatically.When the pressure in the glass bottle and jar reached setting value, device was realized automatically unloading to booster rod 2.If during with regard to explosion, pressure control circuit produces the BK signal to glass bottle and jar, delivers to microcomputer through triple gate, notes the measured value of moment in the no show pressure set points, and stores automatically, for future use.
Claims (3)
1. glass bottle and jar internal pressure-resistant measurement mechanism of forming by supercharging device, seal head (4) and measurement instrument (1), it is characterized in that described supercharging device is for can make axially movable booster rod (2), booster rod (2) runs through seal head (4), feeding needs to measure interior glass bottle and jar (6) of pressing, be provided with the sealing of shaft seal (3) and bottleneck seal (5) two-stage in the seal head (4), measurement instrument (1) links to each other with booster rod (2).
2. glass bottle and jar internal pressure-resistant measurement mechanism according to claim 1, it is characterized in that described measurement instrument (1) comprises pressure transducer and pressure control circuit, pressure control circuit is provided with an output terminal and two input ends, output terminal is connected with the supercharging motor, input end is connected with pressure transducer with microcomputer respectively, to data processing, demonstration, the storage of measuring.
3. glass bottle and jar internal pressure-resistant measurement mechanism according to claim 2, it is characterized in that described pressure control circuit is mainly by digital to analog converter, subtracter, arithmetical unit, deviation amplifier is formed, two input ends of subtracter are connected with the output terminal of digital to analog converter and amplifier respectively, its output terminal is connected to the in-phase input end of arithmetical unit, the output of deviation amplifier links to each other with the supercharging motor through triode, the signal that is produced by digital to analog converter becomes deviation signal through pressure transducer and subtracter, again through arithmetical unit, deviation amplifier and power amplifier, drive booster rod (2), realize pressurization or release automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95243638 CN2249409Y (en) | 1995-03-25 | 1995-03-25 | Internal-pressure resisting ability measuring device for glass bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95243638 CN2249409Y (en) | 1995-03-25 | 1995-03-25 | Internal-pressure resisting ability measuring device for glass bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2249409Y true CN2249409Y (en) | 1997-03-12 |
Family
ID=33884195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95243638 Expired - Fee Related CN2249409Y (en) | 1995-03-25 | 1995-03-25 | Internal-pressure resisting ability measuring device for glass bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2249409Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100408995C (en) * | 2001-09-07 | 2008-08-06 | 吉尼西斯机械产品公司 | Apparatus and method for determining residual seal force of sealed containers |
| CN102455265A (en) * | 2011-04-28 | 2012-05-16 | 双峰格雷斯海姆医药玻璃（丹阳）有限公司 | Glass bottle internal pressure detecting apparatus |
| CN103308392A (en) * | 2013-05-30 | 2013-09-18 | 中国包装科研测试中心 | Device for testing internal pressure resistance of PET (polyethylene terephthalate) bottle |
-
1995
- 1995-03-25 CN CN 95243638 patent/CN2249409Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100408995C (en) * | 2001-09-07 | 2008-08-06 | 吉尼西斯机械产品公司 | Apparatus and method for determining residual seal force of sealed containers |
| CN102455265A (en) * | 2011-04-28 | 2012-05-16 | 双峰格雷斯海姆医药玻璃（丹阳）有限公司 | Glass bottle internal pressure detecting apparatus |
| CN103308392A (en) * | 2013-05-30 | 2013-09-18 | 中国包装科研测试中心 | Device for testing internal pressure resistance of PET (polyethylene terephthalate) bottle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |