CN210180845U - Jar cover positive negative pressure withstanding detection device - Google Patents
Jar cover positive negative pressure withstanding detection device Download PDFInfo
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- CN210180845U CN210180845U CN201920499579.9U CN201920499579U CN210180845U CN 210180845 U CN210180845 U CN 210180845U CN 201920499579 U CN201920499579 U CN 201920499579U CN 210180845 U CN210180845 U CN 210180845U
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Abstract
The utility model discloses a positive negative pressure-resistant detection device of a tank cover, which is used for detecting the pressure-resistant performance of a metal packaging tank cover, a tank cover detection tool is arranged on a bedplate, the tank cover detection tool comprises a positioning block matched with the tank cover, an air pressure joint and a vacuum joint are respectively arranged on the positioning block, and the air pressure joint is connected with an air source through a pressurizing pipeline and a pressurizing switch; the vacuum joint is connected with a vacuum source through a vacuum pipeline and a vacuum switch, a control panel is arranged on the front side of the rack, the pressurizing switch and the vacuum switch are arranged on the control panel, and the pressurizing pipeline and the vacuum pipeline are correspondingly connected with a pressure gauge and a vacuum gauge. The utility model has the advantages of simple structure, convenient operation, the product defect loss that can reduce the mass production in-process and the problem that influences food safety have very high practical value.
Description
Technical Field
The utility model belongs to the technical field of metal packaging jar production facility technique and specifically relates to a withstand voltage detection device of cover positive negative pressure for carrying out the pressure resistance detection to metal packaging jar cover.
Background
The metal packaging can cover is particularly an easy-to-open can cover which needs a high-temperature sterilization process or a pasteurization process and has high pressure resistance for the easy-to-open can cover. The main reason is that the can after being sealed can be heated and expanded during heating sterilization, and a certain negative pressure difference is generated during cooling after sterilization, so that the can cover is retracted under the negative pressure. Some can covers, such as twist-off covers and claw covers, can utilize the characteristic of negative pressure retraction to design the structure of a vacuum safety button on a packaging cover, and after sterilization, the safety button on the cover body is concave, and the safety button bounces when the packaging cover is opened, so that whether a product leaks air or is deteriorated is judged. Therefore, the pressure resistance of the packaging can cover is insufficient, and the defects of deformation, convex angle, collapse, insufficient vacuum and the like of the can body are easily caused in the sterilization process, so that the product quality is influenced. In order to avoid the production loss and the food safety problem caused by the mass production process, in the quality control of the production process of the metal can cover, the actual use requirement needs to be simulated, and a certain detection method is adopted to judge whether the metal can cover can meet the use requirement of content packaging in advance. The publication date is 2016 year 1 month 6 days, and chinese patent document that the publication number is CN204944769U discloses a bottle lid sealing performance testing arrangement, including test box, bottle embryo, bottle plug, bottle lid, trachea, air-vent valve and air inlet switch, be provided with the test medium in the test box, the bottle plug axial runs through and is provided with airflow channel, just the surface cover of bottle plug is equipped with the bottle embryo, the lower port of bottle embryo with the bottle lid matches and immerses in the test medium, airflow channel's last port is in with the setting the tracheal joint of trachea head is connected, tracheal afterbody is provided with air inlet switch, air inlet switch with be provided with the air-vent valve on the trachea between the tracheal joint. This structure can provide the air supply through outside air feeder to through the convenient regulation air input of air inlet switch and air-vent valve and atmospheric pressure size, and then the gas tightness of convenient and fast's test bottle lid. The Chinese patent document with the publication number of CN206990164U, the publication number of which is 2 and 9 in 2018, discloses a bottle cap tightness test device which comprises a support, wherein a water tank is arranged on the support, a connecting pipe is arranged on one side of the water tank and connected with an air inlet pipe, an air pressure gauge and an air pressure switch are arranged on the connecting pipe, and the air pressure gauge is positioned on the inner side of the air pressure switch; the bottom of the water tank is provided with a plurality of evenly distributed test sleeves, and the upper ends of the test sleeves are provided with retaining rings connected with the bottle caps; the bottom end of the test sleeve is communicated with the connecting pipe through a branch pipeline. Application atmospheric pressure in this structure through the leakproofness of water gassing test product, compares traditional detection, equipment structure is simple, and the operation is simple and easy, once can test a plurality of bottle lids, and the consumption time is short moreover, has reduced the cost of labor. But the bottle cap sealing performance testing device is not suitable for the pressure resistance performance test of the metal packaging can cover.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the test equipment that lacks the resistance to pressure performance of metal package cover among the prior art, appearing a jar body deformation easily in the production, salient angle, collapse, quality defect such as vacuum is not enough, cause product defect loss and influence food safety's problem, provide a withstand voltage detection device of cover positive negative pressure, have simple structure, convenient operation's advantage, can reduce the product defect loss among the mass production process and influence food safety's problem.
The utility model adopts the technical scheme that a positive and negative pressure withstand voltage detection device of a tank cover is used for detecting the withstand voltage performance of a metal packaging tank cover, the detection device comprises a frame, a bedplate is arranged at the upper part of the frame, a tank cover detection tool is arranged on the bedplate, the tank cover detection tool comprises a positioning block matched with the tank cover, a pressure head used for pressing the tank cover and a pressure plate used for fixing the pressure head, an air pressure joint and a vacuum joint are respectively arranged on the positioning block, and the air pressure joint is connected with an air source through a pressurization pipeline and a pressurization switch; the vacuum joint pass through vacuum pipe, vacuum switch and vacuum source connection, the front side of frame is equipped with control panel, pressure switch and vacuum switch set up on control panel, still be connected with manometer and vacuum meter on pressure pipe and the vacuum pipe correspondingly, manometer and vacuum meter all set up on control panel. The platen is a working base surface of the whole detection device, and the tank cover detection tool is placed on the table top; the locating piece is used for the location to be detected the cover, and the effect of clamp plate is to compress tightly fixed pressure head, and the pressure head matches with the oral area characteristic of cover is coincide, gives under the effect of clamp plate force to be detected the certain pressure of cover, prevents to take place gas leakage. The pressure gauge and the vacuum gauge (negative pressure gauge) respectively display the pressure applied to the measured tank cover and the vacuum degree in the measured tank cover during detection. The vacuum generator provides vacuum pressure during negative pressure detection. The pressure switch and the vacuum switch are respectively used for opening and closing the pressure pipeline and the vacuum pipeline. During the in-service use, will be surveyed the cover and put into the detection frock and compress tightly fixedly with the clamp plate, close vacuum switch earlier, open pressure switch and pressurize to being surveyed the cover, after certain pressure numerical value, stop the pressurization and pressurize, then close pressure switch, open vacuum switch and carry out the evacuation operation to being surveyed the cover, reach certain vacuum, again through certain pressurize time, take out and be detected the cover, survey test results such as the deformation of the jar body, the salient angle, collapse or the vacuum is not enough, just so accomplish a positive and negative pressure test process of cover. The utility model discloses also can be used for the burst pressure detection of easy-open cover, will be detected the easy-open cover and put into and detect the frock, carry out the pressure boost to the cover, break until being detected the cover to record burst pressure numerical value. The utility model discloses can conveniently carry out the pressure resistance test to the cover, have simple structure, convenient operation's advantage, can reduce the product defect loss in the mass production process and influence food safety's problem.
Preferably, the pressing plate is arranged above the bedplate, the rear side of the pressing plate is hinged with the frame, handles are arranged on two sides of the pressing plate, a hook which can be fastened with the frame is arranged on the pressing plate, and a locking handle is arranged on the hook. The hook is used for fixing the pressure plate and the bedplate together, and further ensuring the sealing performance of the measured tank cover under the action of air pressure.
Preferably, a safety cover is arranged above the pressing plate, the rear side of the safety cover is hinged to the pressing plate, the handles are arranged on the front portions of the two sides of the pressing plate, and the hooks are connected to the handles. The safety cover is used for preventing the detected tank cover from bursting and splashing in the detection process and protecting the personal safety of detection personnel.
Preferably, the positioning block is provided with a groove, a sealing gasket is arranged in the groove, and the sealing gasket is provided with a through hole communicated with the air pressure joint and the vacuum joint. The groove is used for positioning the measured tank cover to avoid the displacement of the tank cover; the sealing gasket can ensure the sealing between the opening part of the measured tank cover and the positioning block.
Preferably, the vacuum source is a vacuum generator, the vacuum generator is connected with the air source through a vacuum degree adjusting switch, and the vacuum degree adjusting switch is arranged on the control panel. The vacuum generator is a pneumatic element which utilizes the gas flow generated by the positive pressure gas source to form a certain vacuum degree, and compared with a vacuum pump, the vacuum generator has the advantages of simple structure, small volume, low price, convenient installation and quick generation and release of vacuum, and the vacuum degree regulating switch is used for regulating the vacuum degree in the measured tank cover.
Preferably, the pressurizing pipeline is provided with an air pressure regulating switch, the air pressure regulating switch and the vacuum degree regulating switch are both connected with an air source through a reversing valve, and the air pressure regulating switch and the reversing valve are both arranged on the control panel. The air pressure regulating switch is used for regulating the air pressure applied to the tank cover to be detected, and the reversing valve is used for air path switching during pressurization or vacuum degree detection.
Preferably, the pressure gauge is connected between the pressure switch and the air pressure adjusting switch, and the vacuum gauge is connected between the vacuum degree adjusting switch and the vacuum generator.
Preferably, the two sides of the rack are provided with support rods, the bedplate is fixed on the support rods, and 2-4 tank cover detection tools are arranged on the bedplate. The supporting rod is used for supporting the bedplate and the whole detection device; the utility model discloses a detection device can install 2-4 cover and detect the frock, disposes corresponding gas circuit change over switch, accomplishes the detection to different covers, and the pressure equipment can carry out the detection of 2-4 covers like this, is favorable to improving detection efficiency.
The beneficial effects of the utility model are that, it has solved effectively and has lacked the test equipment of the resistance to pressure performance of metal package cover among the prior art, appears jar body deformation, salient angle, sinks in the production easily, quality defects such as vacuum is not enough cause product defect loss and influence food safety's problem, the utility model has the advantages of simple structure, convenient operation, can reduce the product defect loss among the mass production process and influence food safety's problem, have very high practical value.
Drawings
Fig. 1 is a schematic structural diagram of the positive-negative pressure withstanding detection device of the tank cover of the present invention;
FIG. 2 is a schematic diagram of the gas circuit logic of the present invention;
fig. 3 is a schematic view of an internal structure of the positive/negative pressure withstanding detection device of the tank cover of the present invention;
fig. 4 is a partially enlarged view of fig. 1.
In the figure: 1. the automatic vacuum cleaner comprises a machine frame, a table plate, a positioning block, a pressure head, a pressure plate, a pressure joint, a pressure pipeline, a pressure switch, a pressure source, a vacuum pipeline, a vacuum switch, a control panel, a pressure gauge, a vacuum gauge, a pressure gauge, a handle, a hook, a locking handle, a safety cover, a sealing gasket, a through hole, a vacuum generator, a vacuum degree adjusting switch, a pressure adjusting switch, a reversing valve, a supporting rod and a tank cover, wherein the table plate is 2, the positioning block is 3, the pressure head is 4, the pressure plate is 5, the pressure joint is 6, the pressure pipeline is 7, the pressure switch is 8.
Detailed Description
The following provides a further description of embodiments of the present invention with reference to the accompanying drawings.
Example 1
In embodiment 1 as shown in fig. 1 and 2, a device for detecting positive and negative pressure resistance of a can cover is used for detecting the pressure resistance of the can cover of a metal packaging can, and the device comprises a frame 1, a control panel 12 is arranged on the front side of the frame, a bedplate 2 (shown in fig. 3) is arranged on the upper portion of the frame, support rods 25 are arranged on two sides of the frame, and the bedplate is fixed on the support rods. A tank cover detection tool is arranged on the platen, the tank cover detection tool comprises a positioning block 3 (see figure 4) matched with the tank cover 26, a pressure head 4 used for pressing the tank cover tightly and a pressure plate 5 used for fixing the pressure head, the pressure plate is arranged above the platen, the rear side of the pressure plate is hinged with the frame, handles 15 are arranged on two sides of the pressure plate, a hook 16 capable of being buckled with the frame is arranged on the pressure plate, and a locking handle 17 is arranged on the hook; the handle sets up in the anterior of clamp plate both sides, the couple connect on the handle. A safety cover 18 is arranged above the pressure plate, and the rear side of the safety cover is hinged with the pressure plate.
The positioning block is provided with a groove, the bottom surface of the groove is respectively provided with an air pressure joint 6 and a vacuum joint, the groove is internally provided with a sealing gasket 19, and the sealing gasket is provided with a through hole 20 communicated with the air pressure joint and the vacuum joint. The air pressure joint is connected with an air source 9 through a pressurizing pipeline 7 and a pressurizing switch 8; the vacuum joint is connected with a vacuum source through a vacuum pipeline 10 and a vacuum switch 11, the pressurizing switch and the vacuum switch are arranged on a control panel, the pressurizing pipeline and the vacuum pipeline are correspondingly connected with a pressure gauge 13 and a vacuum gauge 14, and the pressure gauge and the vacuum gauge are both arranged on the control panel. The vacuum source of this embodiment is a vacuum generator 21, the vacuum generator is connected with an air source through a vacuum degree regulating switch 22, a vacuum gauge is connected between the vacuum degree regulating switch and the vacuum generator, and the vacuum degree regulating switch is arranged on a control panel.
The pressurizing pipeline of the embodiment is provided with an air pressure adjusting switch 23, the air pressure adjusting switch and the vacuum degree adjusting switch are connected with an air source through a reversing valve 24, a pressure gauge is connected between the pressurizing switch and the air pressure adjusting switch, and the air pressure adjusting switch and the reversing valve are both arranged on a control panel.
In this embodiment, 2 to 4 tank cover detection tools may be disposed on the platen, and at this time, a corresponding gas circuit switch (not shown) needs to be configured.
The utility model discloses a detection device during operation will be surveyed the cover and put into the detection frock, through the selected malleation direction of switching-over valve, open the atmospheric pressure regulating switch after, carry out the pressure boost, to certain pressure numerical value after, stop pressure boost and pressurize, then switch over the atmospheric pressure direction, open vacuum regulating switch, reach vacuum numerical value after, after certain dwell time, take out and be surveyed the cover, survey test result, accomplish a positive and negative pressure measurement process of cover. The utility model discloses also can be used for the blasting pressure detection of cover, will be surveyed the cover and put into the detection frock, through the selected malleation direction of switching-over valve, open the atmospheric pressure regulating switch after, carry out the pressure boost, break until being surveyed the cover, stop the pressure boost to record pressure numerical value. The utility model discloses an utilize the cooperation of cover oral area and pressure head, locating piece, utilize atmospheric pressure logic control to accomplish the positive negative pressure to the cover and detect to provide accurate detection numerical value, be favorable to controlling the cover product quality in the production process, reduce the product accuse risk.
In addition to the above embodiments, the technical features or technical data of the present invention can be selected and combined again within the scope disclosed in the claims and the specification of the present invention to constitute new embodiments, which can be realized by those skilled in the art without creative efforts, and therefore, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and within the protection scope of the present invention.
Claims (8)
1. A positive and negative pressure resistance detection device for a metal packaging can cover is used for detecting the pressure resistance of the metal packaging can cover and is characterized by comprising a rack (1), a platen (2) is arranged at the upper part of the rack, a can cover detection tool is arranged on the platen, the can cover detection tool comprises a positioning block (3) matched with the can cover, a pressure head (4) used for pressing the can cover and a pressure plate (5) used for fixing the pressure head, an air pressure joint (6) and a vacuum joint are respectively arranged on the positioning block, and the air pressure joint is connected with an air source (9) through a pressurization pipeline (7) and a pressurization switch (8); the vacuum joint pass through vacuum pipe (10), vacuum switch (11) and be connected with the vacuum source, the front side of frame is equipped with control panel (12), pressure switch and vacuum switch setting on control panel, still correspond on pressure pipe and the vacuum pipe and be connected with manometer (13) and vacuum meter (14), manometer and vacuum meter all set up on control panel.
2. The device for detecting positive and negative pressure resistance of the tank cover according to claim 1, wherein the pressing plate is arranged above the platen, the rear side of the pressing plate is hinged with the frame, the two sides of the pressing plate are provided with handles (15), the pressing plate is provided with a hook (16) which can be buckled with the frame, and the hook is provided with a locking handle (17).
3. The positive-negative pressure withstand voltage detection device of the tank cover according to claim 2, wherein a safety cover (18) is arranged above the pressure plate, the rear side of the safety cover is hinged with the pressure plate, the pull handle is arranged at the front part of the two sides of the pressure plate, and the hook is connected to the pull handle.
4. The device for detecting positive and negative pressure resistance of the tank cover according to claim 1, wherein the positioning block is provided with a groove, a sealing gasket (19) is arranged in the groove, and the sealing gasket is provided with a through hole (20) communicated with the air pressure joint and the vacuum joint.
5. The device for detecting positive and negative pressure resistance of the can lid according to claim 1, wherein the vacuum source is a vacuum generator (21), the vacuum generator is connected with an air source through a vacuum degree adjusting switch (22), and the vacuum degree adjusting switch is arranged on the control panel.
6. The positive-negative pressure withstand voltage detection device of the tank cover according to claim 5, wherein a pressure regulating switch (23) is arranged on the pressurizing pipeline, the pressure regulating switch and the vacuum degree regulating switch are both connected with the air source through a reversing valve (24), and the pressure regulating switch and the reversing valve are both arranged on the control panel.
7. The apparatus for detecting positive and negative pressure resistance of a can lid according to claim 5, wherein a pressure gauge is connected between the pressure switch and the pressure adjusting switch, and a vacuum gauge is connected between the vacuum degree adjusting switch and the vacuum generator.
8. The positive and negative pressure withstand voltage detecting device of the tank cover according to any one of claims 1 to 7, wherein support rods (25) are provided on both sides of the machine frame, the platen is fixed on the support rods, and 2 to 4 tank cover detecting tools are provided on the platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499579.9U CN210180845U (en) | 2019-04-12 | 2019-04-12 | Jar cover positive negative pressure withstanding detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499579.9U CN210180845U (en) | 2019-04-12 | 2019-04-12 | Jar cover positive negative pressure withstanding detection device |
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| Publication Number | Publication Date |
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| CN210180845U true CN210180845U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920499579.9U Active CN210180845U (en) | 2019-04-12 | 2019-04-12 | Jar cover positive negative pressure withstanding detection device |
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| CN (1) | CN210180845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060587A (en) * | 2022-07-27 | 2022-09-16 | 江苏沐阳智骅能源科技有限公司 | Compressive strength test equipment for manufacturing polycrystalline silicon solar cell |
-
2019
- 2019-04-12 CN CN201920499579.9U patent/CN210180845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060587A (en) * | 2022-07-27 | 2022-09-16 | 江苏沐阳智骅能源科技有限公司 | Compressive strength test equipment for manufacturing polycrystalline silicon solar cell |
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