CN108760197A - Milk pot leak tester - Google Patents

Milk pot leak tester Download PDF

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Publication number
CN108760197A
CN108760197A CN201810797672.8A CN201810797672A CN108760197A CN 108760197 A CN108760197 A CN 108760197A CN 201810797672 A CN201810797672 A CN 201810797672A CN 108760197 A CN108760197 A CN 108760197A
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CN
China
Prior art keywords
detection
platform
milk pot
leak
air
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Granted
Application number
CN201810797672.8A
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Chinese (zh)
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CN108760197B (en
Inventor
陈振东
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Ningbo Eddie Intelligent Equipment Co Ltd
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Ningbo Eddie Intelligent Equipment Co Ltd
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Priority to CN201810797672.8A priority Critical patent/CN108760197B/en
Publication of CN108760197A publication Critical patent/CN108760197A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating 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
    • G01M3/32Investigating 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 for containers, e.g. radiators
    • G01M3/3281Investigating 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 for containers, e.g. radiators removably mounted in a test cell
    • G01M3/329Investigating 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 for containers, e.g. radiators removably mounted in a test cell for verifying the internal pressure of closed containers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention discloses a kind of milk pot leak testers, belong to accurate leak test plant technical field.Its key points of the technical solution are that a kind of milk pot leak tester, including rotary frame, elevating mechanism, leakage detection apparatus and air charging system, the leakage detection apparatus includes the inflation bar through detection platform, it is fixed on detection platform bottom and the sealing element that seals against for milk powder tank body upper edge and is connected in inflation bar and stretches into the filling member in milk pot body, the inflation bar has the filling channel inflated for air charging system, the filling member has the leak detection channel of connection filling channel and milk pot inner cavity, there are one pressure transmitters for the upper end parallel connection of the inflation bar, the milk pot leak tester is higher to the precision of detecting leak gas of milk pot.

Description

Milk pot leak tester
Technical field
The present invention relates to a kind of milk pot leak testers.
Background technology
In order to ensure the quality of milk powder in milk pot, then the milk pot to storing milk powder is needed to carry out leak detection test.Currently, When detecting the tank body of upper end opening, the upper end opening sealing cover of tank body is closed using seal cover board, and using air charging system to Inflation in tank body so that the air pressure in tank inner chamber increases, and passes through the air pressure change in pressure transmitter measurement closed container. Since the leak detection of milk pot is generally adopted by the mode of low pressure leak detection, tank body is carried out according to the mode of above-mentioned seal cover board When seal detects, the change value of pressure of milk pot inner cavity is relatively low, and when the breakage on milk pot is smaller, pressure transmitter can not Detect that leakage, the precision of detecting leak gas of entire milk pot leakage detection apparatus are relatively low.
Invention content
The object of the present invention is to provide a kind of milk pot leak tester, precision of detecting leak gas of the milk pot leak tester to milk pot It is higher.
The present invention above-mentioned technical purpose technical scheme is that:
A kind of milk pot leak tester, including rotary frame, driving rotary frame rotation driving mechanism, be installed on outside rotary frame The annular lifting sliding rail of side, sliding are installed in rack and can be along multiple elevating mechanisms that annular lifting sliding rail slides and liter The one-to-one leakage detection apparatus of descending mechanism and the air charging system supplied for leakage detection apparatus, the rotary frame include being filled for leak detection Set the detection platform of installation, the elevating mechanism have placed for milk pot and with the one-to-one hoistable platform of leakage detection apparatus, The leakage detection apparatus includes the inflation bar for running through detection platform, is fixed on detection platform bottom and sealed for milk powder tank body upper edge It the sealing element of abutting and is connected in inflation bar and stretches into the filling member in milk pot body, the inflation bar is with for air charging system The filling channel of inflation, the filling member have the leak detection channel of connection filling channel and milk pot inner cavity, the inflation bar There are one pressure transmitters for upper end parallel connection.
By using above-mentioned technical proposal, when stating milk pot leakage detection apparatus in use, milk pot is placed on liter first It drops on platform, since rotary frame drives elevating mechanism and leakage detection apparatus simultaneously so that hoistable platform is done relative to leakage detection apparatus Lift action, when the upper edge of milk pot is connected on sealing element, the filling member of leakage detection apparatus enters in milk pot, fills at this time Device of air is inflated into milk pot, and by pressure transmitter detect milk pot in pressure change, realize to milk pot whether The detection of gas leakage.
For more traditional leakage detection apparatus, the present invention is inserted into the filling member of tank inner chamber by setting, to reduce tank The volume housed for air in intracoelomic cavity, when the air leakage in tank body, milk pot caused by the air leakage of same volume Inner cavity air pressure change amount increases, to improve the precision of detecting leak gas of entire filling leakage detection apparatus.
As a further improvement on the present invention, the filling member is equipped with the installing blind being inserted into for gas tube clamping, filling The clamping that the lateral wall of part circumferentially offers the shackle passageway that at least two communicate with installing blind and is installed in shackle passageway Part, the inflation bar have the second clamping annular groove abutted for shackle member, and the shackle member is with can be caught in the second clamping ring Elastic telescopic clamping joint in slot.
By using above-mentioned technical proposal, the setting of above structure can facilitate the installation of filling member, it is only necessary to will fill Part is inserted in from bottom to up on inflation bar, passes through the mutual clamping of elastic telescopic clamping joint and the second clamping annular groove, you can real The installation of existing filling member.
As a further improvement on the present invention, when the filling member connects and fixes when inflating bar, the installing blind Bottom has the filled cavity being connected to filling channel, and the bottom of the installing blind is further opened with gas port, the leak detection channel It is communicated with filled cavity including at least two circumferentially and the first leak detection channel for being radially arranged and circumferentially at least Two the second leak detection channels for communicating with the lower end of gas port and being radially arranged.
By using above-mentioned technical proposal, the setting of filled cavity, the first leak detection channel and the second leak detection channel enables to Leakage detection apparatus is more uniform to the inflation of milk pot.The air that air charging system is passed through in inflation bar passes in filled cavity first, it It is entered in the inner cavity of milk pot by the first leak detection channel and the second leak detection channel respectively again afterwards.
As a further improvement on the present invention, the hoistable platform includes the platform base for being fixed on support bar top, peace Loaded on platform base platform top and the support spring that is set between platform top and platform base, the platform base Bottom be circumferentially equipped at least three run through platform base and the first bolt with platform top screw-thread fit.
By using above-mentioned technical proposal, the structure of above-mentioned hoistable platform so that platform top can be relative to platform bottom Seat floats, and contributes to the support stationarity for promoting hoistable platform to milk pot so that the sealing element of milk pot and leakage detection apparatus supports When connecing, it is horizontality to ensure to give to the supporting surface of milk pot.
As a further improvement on the present invention, first through hole is offered in the middle part of the platform top.
By using above-mentioned technical proposal, when the bottom of milk pot is affixed with platform top, first through hole and milk pot Bottom it is opposite, when the bottom of milk pot is lost heart, first through hole can be discharged for this portion gas.
As a further improvement on the present invention, the elevating mechanism further includes the support of lifting pedestal and support hoistable platform Bar, the lifting pedestal has the installation through-hole being inserted vertically into for supporting rod, and lifting pedestal is additionally provided with and the first clamping annular groove The flexible clamping component of abutting, the flexible clamping component include the first ball that part is stuck in the first clamping annular groove and will The first spring in first ball indentation the first clamping annular groove.
By using above-mentioned technical proposal, when entire milk pot leak tester in the process of running, it is flat when being placed on lifting When milk pot and other components on platform interfere, entire elevating mechanism can be in overload, and supporting rod is subject to downward Pressure can increase, to drive flexible clamping component so that the first ball is detached from from the first of supporting rod the clamping annular groove, i.e., Supporting rod can fall off along installation through-hole, reduce and the impaired probability of overload back support rod is occurring.
As a further improvement on the present invention, the top that the platform top includes be circumferentially at least three magnetite slots and The absorption magnetite being respectively arranged in magnetite slot is also equipped with metal cover board, the metal cover board at the top of the platform top With the second through-hole with first through hole face.
By using above-mentioned technical proposal, since milk pot generally has metallic iron to be made, it is arranged in platform top and inhales Attached magnetite helps to improve the cooperation intensity of hoistable platform and milk pot, reduces the probability that milk pot is fallen from hoistable platform.
As a further improvement on the present invention, the air charging system include filter, the first check valve, the second check valve and The gas outlet of extraction pneumatic module, the air inlet and atmosphere of the filter, the filter is connected to detection end;It is described First check valve and the second check valve are sequentially connected in series between filter and detection bar, and only allow air from filter to Detection bar direction is connected;The extraction pneumatic module is simultaneously set between the first check valve and the second check valve, and air was passed through After filter and it is transported to detection end.
By using above-mentioned technical proposal, the principle of above-mentioned low pressure leakage detection apparatus is as follows:First, bar and closed is inflated Container is connected, and realizes the connection of low pressure leakage detection apparatus;Later, the air in air is passed sequentially through filter by extraction pneumatic module After the first check valve, transition storage is carried out;Then, this partial air is passed through the second check valve and test side by extraction pneumatic module Head is passed through in closed container, is increased the air pressure in closed container, is realized the purpose of leak detection.
It is more traditional using for the leakage detection apparatus of air pump or air accumulator, low pressure leakage detection apparatus disclosed by the invention, only It is to be transported the air in air, and after the air in air is by filter, only passes through the first check valve, extraction gas Component, the second check valve and inflation bar, just enter in closed container to be checked, ensure that the air entered in closed container It is clean, it is therefore prevented that search gas pollutes closed container inner cavity.
Meanwhile compared to air accumulator/air pump and detection end between installation filter mode for, due to air accumulator Contain a large amount of impurity and steam in the gas of air pump output, although filter can filter this partial impurities and steam, But causing the filter pressure of filter larger, the replacement frequency of filter inner filter core is excessively high;And the filter in the present invention is straight It connects and atmosphere, and low pressure leakage detection apparatus is typically mounted in dust-free workshop so that the filter pressure of filter is smaller, filtering The replacement frequency of device inner filter core is smaller, reduces the daily maintenance expense of entire air charging system.
As a further improvement on the present invention, the extraction device of air includes detecting cylinder and air source, the detection cylinder The inner cavity for detecting cylinder is separated into extraction chamber and driving chamber by detection piston, and the extraction chamber accesses the first check valve and the second list To between valve, the detection piston rod is equipped with connector, shell of the detection piston in detection cylinder in the outside of detection cylinder Resetting spring is provided between body and connector, the air source is connected with driving chamber and is supplied for driving chamber, and the air source Solenoid valve is additionally provided between driving chamber, the solenoid valve allows hand over driving chamber and atmosphere/driving chamber and air source connects It is logical.
By using above-mentioned technical proposal, the circulate operation that extraction device of air can be evacuated and be inflated is being filled When gas, solenoid valve makes driving chamber be connected to air source, and air source is filled with the gas of driving chamber by extraction chamber air from extraction at this time Chamber extrudes, this portion gas is entered by the second check valve in inflation bar, realizes the charge operation to inflating bar;Carry out When pumping, solenoid valve makes driving chamber and atmosphere, and under the action of resetting spring, driving chamber is compressed, the body of extraction chamber Product increase, by the air in air by filter and the first check valve after, enter extraction intracavitary(Due to the second check valve Setting only allows the air in air to enter), realize pumping action.
Since the leakproofness of the detection piston between the driving chamber and extraction chamber of detection cylinder is ideal so that entire extraction gas The operation stability of component is ideal, and the accuracy of leak detection is higher;And since the cleanliness factor of detection cylinder can reach food Grade, can ensure the cleanliness factor of the gas stored in extraction intracavitary.
As a further improvement on the present invention, the air charging system further includes aeration quantity regulating mechanism, the aeration quantity tune It includes adjusting cylinder and limit top plate to save mechanism, and the cylinder that adjusts is installed on the bottom of detection platform and adjusts the piston of cylinder Bar is connected and fixed through the bottom of detection platform and limit top plate, the upper end phase of the lower end and detection piston rod of the limit top plate It abuts to limit the stroke of detection piston rod.
By using above-mentioned technical proposal, the operation principle of aeration quantity regulating mechanism is as follows:Adjusting cylinder can adjust It saves top plate and detects the gap size between pedestal, the stroke size for detecting piston in detection cylinder can be adjusted, that is, adjusted The size towards aeration quantity in closed container to be checked of entire low pressure leakage detection apparatus.The setting of above structure enables to low pressure to examine The aeration quantity that leakage device can be adapted to according to the big minor adjustment of different closed containers to be checked, promotion entirely compress leakage detection apparatus Application range.
In conclusion the invention has the advantages that:
1, a kind of milk powder leak tester includes leakage detection apparatus, and leakage detection apparatus includes detection platform, pressure transmitter, inflation bar, sealing Part and filling member are inflated to the inner cavity of tank body by inflating bar and filling member, and observe tank inner chamber by pressure transmitter Pressure change reduces the volume housed for air in tank inner chamber, when the sky in tank body since filling member stretches into tank inner chamber When gas is revealed, tank inner chamber air pressure change amount caused by the air leakage of same volume increases, to improve entire filling inspection The precision of detecting leak gas of leakage device;
2, further include elevating mechanism, elevating mechanism includes lifting pedestal, supporting rod and hoistable platform, and supporting rod has the first clamping Annular groove, by being arranged in lifting pedestal with the first clamping annular groove cooperation to realize the elastic card of supporting rod and lifting pedestal positioning Connected components realize the disengaging of supporting rod and lifting pedestal by flexible clamping component when elevating mechanism is in overload, from And reduce the impaired probability of supporting rod;
3, also packet leakage detection apparatus, leakage detection apparatus is by being sequentially arranged filter, the first check valve, the second check valve, detection end And it and set on the extraction pneumatic module between the first check valve and the second check valve, realizes and filters the air in air into mistake It is transported to the purpose that detection end point is hunted leak afterwards, and the setting of above structure is so that input the gas in closed container to be checked Body cleanliness factor is higher, weakens the pollution caused by closed container in detection process.
Description of the drawings
Fig. 1 is the structural schematic diagram of milk pot leak tester in the present invention;
Fig. 2 is the structural schematic diagram of rotary frame bottom in the present invention;
Fig. 3 is the structural schematic diagram of rotary frame side wall in the present invention;
Fig. 4 is the enlarged drawing at A in Fig. 3;
Fig. 5 is the top structure figure of rotary frame in the present invention;
Fig. 6 is the cross-sectional view of feed screw nut component in the present invention;
Fig. 7 is the structural schematic diagram of elevating mechanism in the present invention;
Fig. 8 is the diagrammatic cross-section of elevating mechanism in the present invention;
Fig. 9 is structural schematic diagram of the hoistable platform under explosive state in the present invention;
Figure 10 is the bottom substance schematic diagram of platform top in the present invention;
Figure 11 is the structural schematic diagram of leakage detection apparatus in the present invention;
Figure 12 is the diagrammatic cross-section of leakage detection apparatus in the present invention;
Figure 13 is the diagrammatic cross-section of sealing element in the present invention;
Figure 14 is the diagrammatic cross-section of the second shackle member in the present invention;
Figure 15 is the structural schematic diagram of air charging system in the present invention;
Figure 16 is the enlarged drawing at B in Figure 15;
Figure 17 is the diagrammatic cross-section of air charging system in the present invention.
In figure:100, pedestal;110, newel;200, rotary frame;210, rotating platform;211, sliding slot is lifted;220, Detection platform;221, through-hole is inflated;230, first gear;241, regulation motor;242, adjusting screw;243, feed screw nut group Part;243a, fixed seat;243a1, swivelling chute;243b, feed screw nut;243b1, adjustment gear;243c, swivel bearing;243d, Locking nut;244, Tension gear;246, the second reduction box;246a, output gear;247, chain;310, driving motor;320, First reduction box;330, second gear;400, annular lifting sliding rail;500, elevating mechanism;510, lifting pedestal;511, installation is logical Hole;512, the first shackle passageway;512a, the first hole;512b, the second hole;520, idler wheel;530, supporting rod;531, the first clamping Annular groove;532, stud is installed;540, hoistable platform;541, platform base;541a, installation counterbore;541b, installation nut;541c, First bolt;541d, the first mounting groove;542, platform top;542a, the second mounting groove;542b, magnetite slot;542c, absorption magnetic Stone;542d, first through hole;543, support spring;544, metal cover board;544a, the second through-hole;550, sliding trolley;561, One ball;562, the first shackle member;562a, column is abutted;562b, limiting plate;563, the first spring;564, end cap;564a, adjusting Portion;600, leakage detection apparatus;610, bar is inflated;611, filling channel;612, mounting socket;613, the first three-way connection;614, close Seal;615, the first nut;616, the second nut;617, the second clamping annular groove;620, sealing element;621, rubber pad;622, golden Belong to plate;623, putting hole;630, filling member;631, installing blind;632, filled cavity;633, the second shackle passageway;634, second Shackle member;634a, clamping shell;634b, second spring;634c, the second ball;635, gas port;636, the first leak detection channel; 637, the second leak detection channel;640, pressure transmitter;700, air charging system;710, filter;720, the first check valve;730, Two check valves;740, extraction pneumatic module;741, cylinder is detected;741a, detection piston;741a1, detection piston head;741a2, inspection Survey piston rod;741b, extraction chamber;741c, driving chamber;742, connector;743, resetting spring;744, extension rod;745, it buffers Block;746, limit top plate;747, cylinder is adjusted;750, the second three-way connection;760, solenoid valve;810, carriage is fed;820, Conveying screw rod;830, transfer dish is fed;910, discharge carriage;920, discharge transfer dish.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
Refering to attached drawing 1 and attached drawing 3, a kind of milk pot leak tester, including be fixed on ground pedestal 100, rotation be installed on The driving mechanism of rotary frame 200, the driving rotation of rotary frame 200 on pedestal 100 is installed on 200 outside of rotary frame Annular lifting sliding rail 400, sliding be installed in rack and can along multiple elevating mechanisms 500 that annular lifting sliding rail 400 slides, The air charging system 700 supplied with 500 one-to-one leakage detection apparatus 600 of elevating mechanism and for leakage detection apparatus 600.Wherein, base The newel 110 of entire rotary frame 200 is provided through on seat 100, rotary frame 200 can be axis with newel 110 It rotates in a circumferential direction.
Refering to attached drawing 2, driving mechanism includes the first of the output axis connection cooperation of driving motor 310 and driving motor 310 Reduction box 320 and the second gear 330 on reduction gearbox output shaft.
Rotary frame 200 includes rotating platform 210, detection platform 220 and the first tooth for being fixed on 210 bottom of rotating platform Wheel 230.Wherein, first gear 230 and second gear 330 are mutually mediated, to realize drive of the driving mechanism to rotary frame 200 It is dynamic.Detection platform 220 is circular slab shape platform, and rotating platform 210 is cylindrical.
Refering to attached drawing 3 and attached drawing 5, it is additionally provided with height adjustment mechanism between detection platform 220 and rotating platform 210, with Realize that the height of detection platform 220 is adjusted.Height adjustment mechanism includes regulation motor 241, be fixed on 210 top of rotating platform and It is vertically arranged the adjusting screw 242 for running through detection platform 220 and rotation is installed in detection platform 220 and and adjusting screw The feed screw nut component 243 of 242 cooperations.
Refering to attached drawing 5 and attached drawing 6, detection platform 220 offers the through-hole passed through for adjusting screw 242, feed screw nut group Part 243 includes fixed seat 243a, feed screw nut 243b and two swivel bearing 243c, and the wherein bottom of fixed seat 243a has rotation Turn trough 243a1, feed screw nut 243b run through in fixed seat 243a to swivelling chute 243a1 from top to bottom, and feed screw nut 243b Outer sheath sets there are two the swivel bearing 243c being located in swivelling chute 243a1 and swivel bearing 243c is pressed on swivelling chute The locking nut 243d of the bottoms 243a1.Wherein, there are one adjustment gear 243b1 for the upper end fixation of feed screw nut 243b.
Wherein, the top of rotating platform 210 is circumferentially evenly arranged with six roots of sensation adjusting screw 242 centered on newel 110, There are six the feed screw nut components 243 coordinated with adjusting screw 242 for the setting of detection platform 220.Detection platform 220 is in adjacent adjusting The inner circumferential of gear 243b1 is rotatably installed with Tension gear 244, and regulation motor 241 is installed in the top of detection platform 220 At the heart, there are one the second reduction box 246, the output shaft of the second reduction box 246 is provided with defeated the connection of the output end of regulation motor 241 Go out gear 246a.Wherein, it is provided with a chain 247 on output gear 246a, Tension gear 244 and adjustment gear 243b1.On The setting for stating structure so that after starting motor that adjustment gear 243b1 can rotate in same direction, flat to entirely detecting to realize The regulation and control of the lifting of platform 220.
Refering to attached drawing 3, attached drawing 4 and attached drawing 7, elevating mechanism 500 includes lifting pedestal 510, is arranged in lifting pedestal Idler wheel 520, supporting rod 530 and the hoistable platform 540 for being installed on 530 top of supporting rod of 510 sides.Wherein, lifting pedestal 510 Side be provided with sliding trolley 550, the sidewalls vertical of rotating platform 210 is provided with the lifting slid for sliding trolley 550 and slides Slot 211.
Refering to attached drawing 8 and attached drawing 9, lifting pedestal 510 is L-shaped, has through its upper and lower end face and is passed through for supporting rod 530 Installation through-hole 511, supporting rod 530 and installation through-hole 511 are clearance fit.The side of lifting pedestal 510 is equipped with logical with installation Hole 511 is connected and horizontal the first shackle passageway 512 opened up, and the first shackle passageway 512 is along close to the direction of installation through-hole 511 Include the first hole 512a and the second hole 512b successively, the aperture of the first hole 512a is less than the second hole 512b.
Lifting pedestal 510 is provided with flexible clamping component in the first shackle passageway 512.Flexible clamping component is along close to peace The direction for filling through-hole 511 includes the first ball 561, the first shackle member 562, the first spring 563 and end cap 564 successively.First The setting of ball 561 abuts against in the first hole 512a, and with supporting rod 530;First shackle member 562 includes being located at the first hole 512a The interior abutting column 562a and limiting plate 562b in the second hole 512b abuts column 562a and the first hole 512a and is adapted, limits Position plate 562b and the inner wall of the second hole 512b fit;End cap 564 has the adjustment portion connected with the second hole 512b inner threads 564a;One end of first spring 563 is connected to limiting plate 562b, and the other end of the first spring 563 is connected to adjustment portion 564a.
Supporting rod 530 stretch into 511 part of installation through-hole lateral wall setting there are one first clamping annular groove 531.
Refering to attached drawing 9, the top of supporting rod 530 has installation stud 532, and the outer diameter for installing stud 532 is less than support The outer diameter of bar 530.
Hoistable platform 540 includes platform base 541 and floating mount in the platform top 542 on platform base 541.Its In, the top of platform base 541 offers the installation counterbore 541a being inserted into for installation stud 532, and platform base 541 is provided with The installation nut 541b coordinated with installation stud 532.When the installation stud 532 of supporting rod 530 is inserted into installation counterbore 541a, Supporting rod 530 is equipped with the end face of installation stud 532 and the bottom of platform base 541 offsets, and realizes supporting rod 530 to platform base 541 support.
The bottom of platform base 541 be circumferentially equipped at least three through platform base 541 and with 542 screw thread of platform top First bolt 541c of cooperation.Platform base 541 has the first counterbore for the first bolt 541c installations, and the first bolt 541c Inner wall with the first counterbore is that sliding connects, i.e., platform top 542 can be relative to 541 oscilaltion of platform base.In this reality It applies in example, there are four the first bolt 541c for the tool of hoistable platform 540, and four the first bolt 541c are circumferential on platform base 541 It is evenly arranged.
Refering to attached drawing 9 and attached drawing 10, hoistable platform 540 is additionally provided at least between platform base 541 and platform top 542 Three support springs 543.The top of platform base 541 is circumferentially evenly arranged at least three and is installed for 543 bottom of support spring First mounting groove 541d of positioning, the bottom of platform top 542 are further opened with for 543 top installation positioning of support spring and with the The one-to-one second mounting groove 542a of one mounting groove 541d.In the present embodiment, there are four support bullet for the setting of hoistable platform 540 Spring 543, and four support springs 543 are circumferentially evenly arranged on hoistable platform 540.
The top that platform top 542 includes is circumferentially at least three magnetite slot 542b and is respectively arranged in magnetite slot 542b Interior absorption magnetite 542c.In the present embodiment, two groups of magnetite slot 542b are provided in platform top 542, there are six inner ring tools Magnetite slot 542b, outer ring have eight magnetite slot 542b, and three absorption magnetic are arranged at intervals in six magnetite slot 542b of inner ring Stone 542c, the magnetite slot 542b of outer ring four are arranged at intervals with four absorption magnetite 542c.
Wherein, the center of platform top 542 offers first through hole 542d.The top of platform top 542 is also equipped with gold Belong to cover board 544, metal cover board 544 has and the second through-hole 544a of first through hole 542d faces.
Refering to attached drawing 11 and attached drawing 12, leakage detection apparatus 600 includes inflation bar 610, the sealing element through detection platform 220 620, filling member 630 and pressure transmitter 640.Detection platform 220 has the inflation through-hole 221 passed through for inflation bar 610.Inflation The filling channel 611 that bar 610 has through inflation 610 upper and lower end face of bar and is coaxially disposed with inflation bar 610, and inflate bar 610 Top be provided with mounting socket 612.
Wherein, there are one the first three-way connections for installation at the mounting socket 612 of inflation bar 610 for filling leakage detection apparatus 600 613, the detection tabs of pressure transmitter 640 are inserted into a connector of the first three-way connection 613, the first three-way connection 613 A remaining connector is for air charging system 700(Refering to attached drawing 1)The inlet suction port inflated into inflation bar 610.By above-mentioned The setting of structure is inflated using air charging system 700 to the inlet suction port of the first three-way connection 613, can not only be to inflation The filling channel 611 of bar 610 is inflated, but also the pressure in filling channel 611 can be measured by pressure transmitter 640.
Inflate the fixed part that bar 610 has in insertion inflation through-hole 221 and coordinates with the inflation sealing of through-hole 221, fixed part Lateral wall circumferentially open up there are two seal groove, and be respectively provided in two seal grooves that there are one sealing ring 614, sealing rings 614 Inner ring offset with seal groove, the outer ring of sealing ring 614 and the inner wall for inflating through-hole 221 offset, and realize inflation bar 610 and fill Sealed connection between vent hole 221.
The upper end of inflation bar 610 is equipped with the first nut 615 to offset with 220 top surface of detection platform.Pass through the first nut 615 and detection platform 220 top surface abut, to inflation bar 610 limit, it is therefore prevented that inflation bar 610 from detection platform 220 It falls.
Refering to attached drawing 12 and attached drawing 13, sealing element 620 includes rubber pad 621 and the metallic plate being set in rubber pad 621 622.It inflates bar 610 and runs through rubber pad 621 and metallic plate 622 simultaneously, and inflation bar 610 is also equipped with and offsets with sealing element 620 The second nut 616 connect.Wherein, rubber pad 621 has the putting hole 623 placed for the second nut 616, and the second nut 616 It is abutted against with the bottom of metallic plate 622.In the present embodiment, rubber pad 621 uses food-grade rubber, and metallic plate 622 is not using Become rusty steel.First nut 615 and the second nut 616 are set on inflation bar 610, realizes and pacifies sealing element 620 and inflation bar 610 In detection platform 220, and the setting for passing through above structure so that sealing element 620 is connected to the bottom of detection platform 220, Realize the contact sealing between sealing element 620 and detection platform 220.
Refering to attached drawing 12 and attached drawing 14, the lateral wall of inflation bar 610 is additionally provided with second to be engaged by clamping for filling member 630 It is clamped annular groove 617.
Filling member 630 is cylinder, and the bottom edge of filling member 630 offers annular chamfer.The top of filling member 630 is set There is the installing blind 631 being inserted into for inflation bar 610, after clamping in the installing blind 631 for inflating the insertion filling member 630 of bar 610, The filled cavity 632 communicated with filling channel 611 is formed on the bottom of installing blind 631.
The lateral wall of filling member 630 circumferentially offers the shackle passageway 633 and spiral shell that at least two communicate with installing blind 631 Line is installed on the second shackle member 634 in the second shackle passageway 512.Wherein, the second shackle member 634, which has, can be caught in the second card Connect the elastic telescopic clamping joint in annular groove 617.In the present embodiment, elastic telescopic clamping joint is spring ball pair.Shackle member 634 Including clamping shell 634a, second spring 634b and the second ball 634c, clamping shell 634a have for second spring 634b and The clamping chamber of second ball 634c installations and the card interface with the second clamping 617 face of annular groove, the second ball 634c is in the second bullet Card interface is partly stretched out under the action of spring 634b and is connected in the second clamping annular groove 617, wherein the bore of card interface is less than rolling The outer diameter of pearl 634c.In the present embodiment, there are four the second shackle passageways 633 and four to be respectively set for setting on filling member 630 In the second shackle member 634 in the second shackle passageway 633.
Filling member 630 is further opened with gas port 635 in the bottom of installing blind 631.Wherein, installing blind 631, gas port 635 are coaxially disposed with filling member 630.In the present embodiment, gas port 635 is blind hole.Filling member 630 is additionally provided with connection and fills The leak detection channel in gas channel 611 and tank inner chamber.Wherein, leak detection channel includes at least two and filled cavity 632 circumferentially Communicate and be radially arranged the first leak detection channel 636, circumferentially at least two and communicated with the lower end of gas port 635 and diameter To the second leak detection channel 637 of setting.In the present embodiment, there are four the first leak detection channel 636 and four for the tool of filling member 630 Two leak detection channels 637.
Refering to attached drawing 15 and attached drawing 16, leakage detection apparatus 600 includes the filter 710, first being installed in detection platform 220 Check valve 720, the second check valve 730 and extraction pneumatic module 740.Wherein, filter 710, the first check valve 720, second are single It is once connected to inflation bar 610 to valve 730, and the first check valve 720 and 730, the second check valve allow air from filter 710 are connected to detection end direction, and extraction pneumatic module 740 is simultaneously set between the first check valve 720 and the second check valve 730.
Second three-way connection 750 there are one being also set up between first check valve 720 and the second check valve 730, the second threeway A remaining connector for connector 750 is connected with extraction pneumatic module 740.
Extraction pneumatic module 740 includes detection cylinder 741, vacuum elements and deflation component.Detect the bottom installation of cylinder 741 At the top of detection pedestal.The inner cavity for detecting cylinder 741 is separated into extraction chamber by the detection piston 741a in detection cylinder 741 741b and driving chamber 741c, and it includes detection piston head 741a1 and detection piston rod 741a2 to detect piston 741a, detects piston Bar 741a2 is set to detection piston head 741a1 towards the end face of driving chamber 741c and stretches out outside detection cylinder 741.Wherein, it detects A 750 remaining fittings of extraction chamber 741b and the second three-way connection in cylinder 741.
Refering to attached drawing 15 and attached drawing 17, deflation component includes air source(It is not shown in figure)With solenoid valve 760.Wherein, air source It is interconnected with driving chamber 741c, and can be driving chamber 741c gas supply.Solenoid valve 760 is two-position three way magnetic valve 760, can Whether switching driving chamber 741c is connected to air source, and when driving chamber 741c is not connected to air source, driving chamber 741c and air are mutual Connection.In the present embodiment, air source is gas bomb.
Vacuum elements can drive detection piston 741a to be slid towards driving chamber 741c, including be installed on detection piston rod 741a2 is upper and is located at the connector 742 in 741 outside of detection cylinder, is sheathed on the resetting spring 743 detected on piston rod 741a2, The upper end of connector 742 has spacing ring, the limit with the shell and connector 742 of detection cylinder 741 simultaneously of resetting spring 743 Ring offsets.
It detects and is additionally provided with extension rod 744 at the top of the detection piston rod 741a2 of cylinder 741 and is installed on extension rod 744 The buffer stopper 745 at top.
Above-mentioned low pressure leakage detection apparatus 600 inflates quantity regulating device, including above-mentioned detection pedestal, limit there are one also setting up Top plate 746 and adjusting cylinder 747.Wherein, the buffer stopper 745 of the lower end of top plate 746 and detection cylinder 741 offsets to limit detection The stroke of piston 741a.The bottom that cylinder 747 is mounted on detection pedestal is adjusted, and the regulating piston bar for adjusting cylinder 747 is direct It is connected and fixed through detection pedestal and with top plate 746.By adjusting the flexible of cylinder 747, the height of limit top plate 746 can be adjusted Degree has adjusted the stroke of detection piston 741a in entire detection cylinder 741.
Refering to attached drawing 1 and attached drawing 2, the side of milk pot leak tester is additionally provided with feeding equipment.Feeding equipment includes charging Carriage 810, conveying screw rod 820 and charging transfer dish 830.Wherein, milk pot is placed on charging carriage 810, and direction Conveying screw rod 820 moves;Conveying screw rod 820 can be by milk pot arranged for interval arranged side by side, and is transported to charging transfer dish 830 On, wherein feeding equipment has the screw motor that driving conveying screw rod 820 rotates;Feed transfer dish 830 and driving motor 310 It is sequentially connected, milk pot can be delivered to hoistable platform 540(Refering to attached drawing 7)On.
Milk pot leak tester is additionally provided with drawing mechanism in the other side.Drawing mechanism includes discharging carriage 910 and discharging Milk pot on hoistable platform 540 can be transported on discharging carriage 910, realize by transfer dish 920, discharging transfer dish 920 The draw operation of milk pot.In the present embodiment, charging carriage 810 and discharging carriage 910 are same carriage.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this It is all protected by Patent Law in the right of invention.

Claims (10)

1. a kind of milk pot leak tester, including rotary frame (200), the driving mechanism of driving rotary frame (200) rotation, installation Annular lifting sliding rail (400), sliding on the outside of rotary frame (200) are installed in rack and can be along annular lifting sliding rails (400) multiple elevating mechanisms (500) for sliding, with the one-to-one leakage detection apparatus (600) of elevating mechanism (500) and be leak detection The air charging system (700) of device (600) gas supply, the rotary frame (200) include that the detection installed for leakage detection apparatus (600) is put down Platform (220), the elevating mechanism (500) have for milk pot place and with leakage detection apparatus (600) one-to-one hoistable platform (540), which is characterized in that the leakage detection apparatus (600) includes the inflation bar (610) for running through detection platform (220), is fixed on inspection It surveys platform (220) bottom and the sealing element (620) that is sealed against for milk pot upper edge and is connected in inflation bar (610) and stretches Enter the filling member (630) in milk pot, the inflation bar (610) has the filling channel inflated for air charging system (700) (611), the filling member (630) has the leak detection channel of connection filling channel (611) and milk pot inner cavity, the inflation bar (610) there are one pressure transmitters (640) for upper end parallel connection.
2. milk pot leak tester according to claim 1, which is characterized in that the filling member (630) is equipped with for gas tube It is clamped the installing blind (631) being inserted into, the lateral wall of filling member (630) circumferentially offers at least two and installing blind (631) The shackle passageway communicated and the shackle member being installed in shackle passageway, the inflation bar (610) have the abutted for shackle member Two clamping annular grooves (617), the shackle member have the elastic telescopic clamping joint that can be caught in the second clamping annular groove (617).
3. milk pot leak tester according to claim 2, which is characterized in that when the filling member (630) connect and fix in When inflating bar (610), the bottom of the installing blind (631) has the filled cavity (632) being connected to filling channel (611), institute The bottom for stating installing blind (631) is further opened with gas port (635), the leak detection channel include circumferentially at least two with Filled cavity (632) communicates and the first leak detection channel (636) being radially arranged and at least two circumferentially and gas port (635) the second leak detection channel (637) that lower end communicates and is radially arranged.
4. milk pot leak tester according to claim 1, which is characterized in that the hoistable platform (540) includes being fixed on It platform base (541) at the top of supporting rod (530), the platform top (542) being installed on platform base (541) and is set to flat It circumferentially installs the bottom of support spring (543) between platform top plate (542) and platform base (541), the platform base (541) Have at least three through platform base (541) and with first bolt (541c) of platform top (542) screw-thread fit.
5. milk pot leak tester according to claim 4, which is characterized in that opened up in the middle part of the platform top (542) There is first through hole (542d).
6. milk pot leak tester according to claim 5, which is characterized in that the elevating mechanism (500) further includes lifting The supporting rod (530) of pedestal (510) and support hoistable platform (540), the lifting pedestal (510) have for supporting rod (530) The installation through-hole (511) being inserted vertically into, and lifting pedestal (510) is additionally provided with the elastic card abutted with the first clamping annular groove (531) Connected components, the flexible clamping component include that part is stuck in the first ball (561) in the first clamping annular groove (531) and by the The first spring (563) in the first clamping annular groove (531) of one ball (561) indentation.
7. milk pot leak tester according to claim 6, which is characterized in that the top that the platform top (542) includes The absorption magnetite (542c) for being circumferentially at least three magnetite slots (542b) and being respectively arranged in magnetite slot (542b) is described flat Metal cover board (544) is also equipped at the top of platform top plate (542), the metal cover board (544) has and first through hole (542d) The second through-hole (544a) of face.
8. milk pot leak tester according to claim 1, which is characterized in that the air charging system (700) includes filter (710), the first check valve (720), the second check valve (730) and extraction pneumatic module (740), the air inlet of the filter (710) The gas outlet of mouth and atmosphere, the filter (710) is connected to detection end;First check valve (720) and Second check valve (730) is sequentially connected in series in filter (710) between detection bar, and only allow air from filter (710) extremely Detection bar direction is connected;The extraction pneumatic module (740) is simultaneously set between the first check valve (720) and the second check valve (730), And by air by filter (710) afterwards and be transported to detection end.
9. milk pot leak tester according to claim 8, which is characterized in that the extraction device of air includes detection cylinder (741) and the inner cavity for detecting cylinder (741) is separated into extraction chamber by air source, the detection piston (741a) of the detection cylinder (741) (741b) and driving chamber (741c), the extraction chamber (741b) access the first check valve (720) and the second check valve (730) it Between, detection piston (741a) bar is equipped with connector (742) in the outside of detection cylinder (741), the connector (742) There is spacing ring, the detection piston (741a) to be provided with reset between the shell and spacing ring of detection cylinder (741) for upper end Spring (743), the air source is connected with driving chamber (741c) and is supplied for driving chamber (741c), and the air source and driving chamber Be additionally provided with solenoid valve (760) between (741c), the solenoid valve (760) allow hand over driving chamber (741c) and atmosphere/ Driving chamber (741c) is connected to air source.
10. milk pot leak tester according to claim 9, which is characterized in that the air charging system (700) further includes inflation Regulating mechanism is measured, the aeration quantity regulating mechanism includes adjusting cylinder (747) and limit top plate(746), the adjusting cylinder (747) it is installed on the bottom of detection platform (220) and adjusts the piston rod of cylinder (747) through detection platform (220) and limit Top plate(746)Bottom be connected and fixed, the limit top plate(746)Lower end and detection piston rod (741a2) upper end offset It connects to limit the stroke of detection piston rod (741a2).
CN201810797672.8A 2018-07-19 2018-07-19 Milk powder tank leak detection machine Active CN108760197B (en)

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CN109444025A (en) * 2018-12-30 2019-03-08 隆昌市碧檀陶瓷有限公司 A kind of wine jar antiseepage pressure testing system and test method
CN109990962A (en) * 2019-04-30 2019-07-09 宁波埃特世智能设备有限公司 A kind of Easy tearing lid air-tightness detection device
CN110207907A (en) * 2019-07-09 2019-09-06 苏州宁远精密机械制造有限公司 A kind of rubber product detection device
CN110926729A (en) * 2019-11-29 2020-03-27 重庆安都陶瓷有限公司 Tank detection device
CN111487014A (en) * 2020-04-21 2020-08-04 姜海红 Filling aftertreatment device
CN111558547A (en) * 2020-05-17 2020-08-21 顾斌锋 A gas tightness detection device for beverage production
CN112903212A (en) * 2021-01-21 2021-06-04 周宇浩 Milk powder detection device
CN114791344A (en) * 2022-06-21 2022-07-26 沈阳佳德联益能源科技股份有限公司 Detection device for detecting air tightness of control valve

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CN109444025A (en) * 2018-12-30 2019-03-08 隆昌市碧檀陶瓷有限公司 A kind of wine jar antiseepage pressure testing system and test method
CN109444025B (en) * 2018-12-30 2024-06-07 隆昌市碧檀陶瓷有限公司 Wine jar seepage-proofing pressure test system and test method
CN109990962A (en) * 2019-04-30 2019-07-09 宁波埃特世智能设备有限公司 A kind of Easy tearing lid air-tightness detection device
CN110207907A (en) * 2019-07-09 2019-09-06 苏州宁远精密机械制造有限公司 A kind of rubber product detection device
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CN111558547A (en) * 2020-05-17 2020-08-21 顾斌锋 A gas tightness detection device for beverage production
CN111558547B (en) * 2020-05-17 2022-08-09 顾斌锋 A gas tightness detection device for beverage production
CN112903212A (en) * 2021-01-21 2021-06-04 周宇浩 Milk powder detection device
CN112903212B (en) * 2021-01-21 2023-08-11 黑龙江天宏食品设备有限公司 Milk powder detection device
CN114791344A (en) * 2022-06-21 2022-07-26 沈阳佳德联益能源科技股份有限公司 Detection device for detecting air tightness of control valve
CN114791344B (en) * 2022-06-21 2022-12-13 浙江东辰阀门科技有限公司 Detection device for air tightness detection of control valve

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