CN106468532A - A kind of aluminum plastic film scour hole depth measuring apparatus and its measuring method - Google Patents

A kind of aluminum plastic film scour hole depth measuring apparatus and its measuring method Download PDF

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Publication number
CN106468532A
CN106468532A CN201610887206.XA CN201610887206A CN106468532A CN 106468532 A CN106468532 A CN 106468532A CN 201610887206 A CN201610887206 A CN 201610887206A CN 106468532 A CN106468532 A CN 106468532A
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CN
China
Prior art keywords
plastic film
aluminum plastic
air
conflict
secondary chi
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CN201610887206.XA
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Chinese (zh)
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CN106468532B (en
Inventor
高海锋
任宁
顾朝阳
孙延先
樊海英
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Zhejiang Chaowei Chuangyuan Industrial Co Ltd
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Zhejiang Chaowei Chuangyuan Industrial Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/18Measuring arrangements characterised by the use of mechanical techniques for measuring depth

Abstract

The present invention relates to a kind of lithium battery aluminum-plastic film rushes hole technology, especially relate to a kind of aluminum plastic film scour hole depth measuring apparatus and its measuring method.Aluminum plastic film scour hole depth measuring apparatus, including calibrator platform and thickness measuring chi, it is provided with calibrator platform to rush with aluminum plastic film and cheat corresponding nib, calibrator platform base slidably connects the positioning rule for fixing aluminum plastic film, and thickness measuring chi includes the transparent main scale being fixed on nib edge, is provided with accommodating chamber at transparent main scale axis, accommodate intracavity and slidably connect secondary chi, transparent main scale top is provided with air pump, and air pump is connected with accommodating chamber by trachea, and secondary chi bottom is provided with conflict head;It is provided through air flue, air flue is provided with buffering pneumatic cushion at conflict head bottom margin, conflict rostral face is provided with several steam vents, and steam vent is connected with air flue at the axis of secondary chi and conflict head.The present invention has and is capable of multimetering, improves certainty of measurement, reduce the beneficial effect such as measurement error.

Description

A kind of aluminum plastic film scour hole depth measuring apparatus and its measuring method
Technical field
The present invention relates to a kind of lithium battery aluminum-plastic film rushes hole technology, especially relate to a kind of aluminum plastic film scour hole depth measurement and set Standby and its measuring method.
Background technology
Polymer lithium ion battery cell needs according to fuse corresponding mould model when producing at present, and aluminum plastic film is rushed Hole;Go out the band hole aluminum plastic film meeting technological requirement depth, subsequently fuse is placed in hole to carry out top side seal.In reality In production, the depth in the hole that needs to liquidate is monitored, to reach design requirement.Hole is deep too shallow, and fuse puts into rear top side seal meeting Crumple, seal and do not live;Hole is deep too deep, and after making battery core, battery core four weekly assembly subsides formation bad order, and severe patient can lead to aluminum plastic film Drawing crack, causes product to lose efficacy in use, so scour hole depth is a very important control parameter for production.
When liquidating hole depth survey, current industry is liquidated after cheating using slide gauge, two corner depth in hole are carried out Measurement, the depth for other two pull degree, even hole middle part all cannot measure;So can be led to us to hole four Week, particularly most important hole middle part depth cannot be grasped(Prediction can only be cheated after measuring two corner depth surveys Intermediate depth), our products so can be led in subsequent job it is possible that potential hidden danger possibly even leads to product Occur great abnormal and lost efficacy.
Content of the invention
The present invention is primarily directed to the problems referred to above, provides one kind to be capable of multimetering, improve certainty of measurement, reduce and survey The aluminum plastic film scour hole depth measuring apparatus of amount error and its measuring method.
The purpose of the present invention is mainly achieved by following proposal:A kind of aluminum plastic film scour hole depth measuring apparatus, Including calibrator platform and thickness measuring chi, calibrator platform is provided with rush with aluminum plastic film and cheats corresponding nib, calibrator platform bottom Face slidably connects the positioning rule for fixing aluminum plastic film, and thickness measuring chi includes the transparent main scale being fixed on nib edge, transparent master It is provided with accommodating chamber at chi axis, accommodate intracavity and slidably connect secondary chi, transparent main scale top is provided with air pump, air pump passes through gas Pipe is connected with accommodating chamber, and secondary chi bottom is provided with conflict head;It is provided through air flue, air flue leans at the axis of secondary chi and conflict head It is provided with buffering pneumatic cushion, conflict rostral face is provided with several steam vents, steam vent and air flue phase at nearly conflict head bottom margin Connection.The aluminum plastic film that punching hole is completed is fixed on calibrator platform base by positioning rule, so that thickness measuring chi is vertically corresponded to required The position of measurement, after being measured using thickness measuring chi, can pass through the position of running fix chi, to adjust the position of aluminum plastic film, And then it is capable of multimetering it is ensured that whole rush the certainty of measurement cheated.Setting accommodating chamber inside transparent main scale, accommodating chamber is not only Secondary chi can be supplied to slide, and using air pump to accommodating intracavity insufflation gas, so that accommodating chamber internal gas pressure is increased, using receiving intracavity Air pressure promote secondary chi to slide it is ensured that the secondary chi Impact direction axis direction parallel to secondary chi and moving direction all the time, it is to avoid secondary There is axial dipole field in measurement in chi, reduce error.Most of gas and air pressure promote secondary chi to move down, and small portion of gas The conflict head entering secondary chi by air flue and being located at secondary chi bottom, this portion gas promotes buffering pneumatic cushion expansion to become big and protrude from Conflict head surface.With the decline of conflict head, the buffering pneumatic cushion after expansion is preferential to be contacted with aluminum plastic film punching hole bottom surface, with conflict The continuation of head declines, and buffering pneumatic cushion is gradually pressed in conflict head, and in this process, buffering pneumatic cushion plays cushioning effect, fall Drift is contacted with aluminum plastic film at a low speed time and dynamics, it is to avoid crushing is caused to aluminum plastic film.When buffering pneumatic cushion is pressed into conflict head Afterwards, the gas in air flue can be discharged to contact outer by steam vent, until conflict head rushes hole bottom surface with aluminum plastic film contacting, Air pump cuts out, and secondary chi and conflict head stop moving down.The size observing secondary chi decline rushes, to measure, the depth cheated.In whole process, Secondary chi Impact direction is uniform, it is to avoid secondary chi journal offset, reduces error.
Preferably, described secondary chi top is provided with and accommodates the sealing sliding sleeve that cavity wall is fitted, the axle of sealing sliding sleeve It is provided with passage, passage is coaxially connected with air flue, air-vent is in truncated cone-shaped, the basal diameter of air-vent is straight with air flue at line Footpath is identical, and the diameter of air-vent is sequentially reduced from the bottom to top.Secondary chi top is provided with and accommodates the sealing sliding sleeve that cavity wall is fitted, Sealing sliding sleeve ensure that sealing between secondary chi and accommodating chamber it is ensured that the gases at high pressure accommodating intracavity can promote secondary chi to move Dynamic, secondary chi and the contact area accommodating cavity wall can be reduced simultaneously, reduce the rubbing and wall of accommodating chamber side between when secondary chi is slided Wiping power.It is provided with passage, passage is coaxially connected with air flue it is ensured that portion gas can be by logical at the axis of sealing sliding sleeve Pore enters air flue.Air-vent is in truncated cone-shaped, and the basal diameter of air-vent is identical with airway diameter, the diameter of air-vent by down to On be sequentially reduced, that is, the diameter of air-vent upper end is little, lower end diameter big is used for promoting pair it is ensured that accommodating intracavity major part gas Chi moves, and very small part gas can enter air-vent, increases with vent diameter, gas pressure after entering air-vent Reduce, the gas pressure in air flue can be lowered into using the air-vent of truncated cone-shaped.
Preferably, described conflict head includes bulb and connecting post, bulb is in spherical, and bulb passes through connecting post and pair Chi is threaded, and air flue runs through connecting post and bulb.Conflict head includes bulb and connecting post, and bulb is in spherical, domed The contact area that bulb is rushed when hole bottom surface contacts with aluminum plastic film is little, it is to avoid aluminum plastic film punching hole bottom surface injustice causes secondary chi axis inclined Move, be effectively reduced measurement error.Bulb is threadeded with secondary chi by connecting post, and that is, the distance between bulb and secondary chi can The connecting post being threaded connection is adjusted, and after thickness measuring chi uses certain number of times, can adjust ball by rotating ballhead Head position, and then realize secondary chi calibration.
Preferably, described connection column wall upper shaft buffers boss to being arranged at intervals with several, delay positioned at middle The thickness rushing boss is more than positioned at the buffering thickness of boss of upper and lower ends and thickness is gradually reduced from centre to upper and lower ends.Even Connect and several buffering boss are axially arranged at intervals with column wall, when the gas within when secondary chi enters at connecting post, buffering is convex Platform can change the bore of air flue, using buffering boss to gas buffer, be more than positioned at the thickness of middle buffering boss and be located at The buffering thickness of boss of upper and lower ends and thickness is gradually reduced from centre to upper and lower ends, when gas, successively 'go'gage is more next After less buffering boss, air pressure is effectively reduced;Again successively after the increasing buffering boss of 'go'gage, air pressure Can be stablized it is ensured that the air pressure entering the gas of conflict head is effectively reduced and stablizes.
Preferably, described steam vent tilts to run through conflict head, same steam vent forms on conflict head and gives vent to anger Hole and lower production well, the axis direction angle of the incline direction of steam vent and conflict head is acute angle, steam vent pass through intercommunicating pore with Air flue is connected, and the axis of intercommunicating pore is vertical with aerofluxuss axially bored line.Steam vent tilts to run through conflict head, the incline direction of steam vent with The axis direction angle of conflict head is acute angle, and same steam vent forms venthole and lower production well on conflict head, under go out Pore can rush hole bottom surface purging, the especially contact position purging to conflict head and aluminum plastic film punching hole bottom surface to aluminum plastic film, will blow Dirt blows off, it is to avoid there is dust between conflict head and aluminum plastic film punching hole bottom surface, reduces measurement error.Steam vent pass through intercommunicating pore with Air flue is connected, and the axis of intercommunicating pore is vertical with aerofluxuss axially bored line, and that is, the axis of intercommunicating pore is at an acute angle with air flue axis, in air flue Gas preferentially reaches down to buffering pneumatic cushion, then enters intercommunicating pore and steam vent from bottom to top it is ensured that buffering pneumatic cushion preferentially expands.
Preferably, intercommunicating pore is provided with flexible guiding set with the top of air flue junction, the section of flexible guiding set is in Class " U " type, is provided with gas port at the axis of flexible guiding set, the outer end of flexible guiding set is fixedly linked with airway side wall, The side wall length of flexible guiding set is more than or equal to the diameter of intercommunicating pore.The top of intercommunicating pore and air flue junction is provided with flexibility and leads To set, the section of flexible guiding set is in class " U " type, and the guiding that the gas in air flue covers through flexible guiding is continued by gas port Continue and be filled with downwards, the flexible guiding set of class " U " type can be to gas buffer blood pressure lowering and voltage stabilizing.The side wall length of flexible guiding set is big In the diameter equal to intercommunicating pore, when gas is from top to bottom filled with, gas can be guided by flexible guiding set, makes gas to axis In direction set, the side wall of flexible guiding set is recycled to block the junction of intercommunicating pore and air flue it is ensured that gas preferentially fills to buffering Air cushion.And when buffering pneumatic cushion is compressed, the guiding that gas from bottom to top can be covered by flexible guiding preferentially enters connection Hole is discharged.
Preferably, buffering pneumatic cushion is in cambered surface, at the axis of buffering pneumatic cushion, it is provided with conflict pad, the conflict radian padding and thickness Degree is respectively less than buffering pneumatic cushion.Buffering pneumatic cushion be in cambered surface, when gas fills to buffering pneumatic cushion, buffering pneumatic cushion can by gas pressure to Axis direction guiding is concentrated, and is provided with conflict pad at the axis of buffering pneumatic cushion, and the radian of conflict pad and thickness respectively less than buffer gas Pad, that is, pressure can be preferentially by pad swell of conflicting to after axis direction concentration, and pad of conflicting preferentially is contacted with aluminum plastic film, plays buffering Effect, after conflict pad is driven plain, buffering pneumatic cushion is contacted with aluminum plastic film again, improves cushioning effect further.
Preferably, scale groove is provided with transparent main scale.
A kind of a kind of such as above-mentioned measuring method of aluminum plastic film scour hole depth measuring apparatus, step is as follows:1)Complete rushing hole Aluminum plastic film be fixed on calibrator platform base, make the nib on calibrator platform corresponding with thickness measuring chi at punching, using fixed Aluminum plastic film is fixed on calibrator platform base by position chi;2)Contact aluminum plastic film punching hole bottom surface is moved downward to by secondary chi, observes The scale that secondary chi declines, as scour hole depth;3)By the slip of positioning rule, plastic-aluminum film location can be adjusted, realize multiple spot and survey Amount.
Preferably, step 2)In open air pump, gas is poured the receiving intracavity of transparent main scale by air pump by trachea, hold Receive intracavity air pressure increase, promote secondary chi to undershoot hole in move;While air-flow promotes secondary chi mobile, portion gas are had to pass through Air flue enters at secondary chi and conflict head, makes buffering pneumatic cushion dilatancy and protrudes from conflict head surface;Buffering pneumatic cushion and aluminum plastic film Play cushioning effect after the bottom surface contact in punching hole, decline with conflict head, buffering pneumatic cushion is pressed into the gas in conflict head, in air flue Body is discharged by steam vent, it is to avoid conflict head excessive compression aluminum plastic film.
Therefore, a kind of aluminum plastic film scour hole depth measuring apparatus of the present invention and its measuring method possess following advantages:Transparent Setting accommodating chamber inside main scale, accommodating chamber can not only be slided for secondary chi, and using air pump to accommodating intracavity insufflation gas, makes Accommodating chamber internal gas pressure increases, and promotes secondary chi to slide it is ensured that secondary chi Impact direction is all the time parallel to pair using the air pressure accommodating intracavity The axis direction of chi and moving direction, it is to avoid secondary chi occurs axial dipole field in measurement, reduces error.Most of gas and air pressure Secondary chi is promoted to move down, and the conflict head that small portion of gas enters secondary chi by air flue and is located at secondary chi bottom, this part gas Body promotes buffering pneumatic cushion to expand change greatly and protrude from conflict head surface.With the decline of conflict head, the buffering pneumatic cushion after expansion is excellent First rush hole bottom surface to contact with aluminum plastic film, the continuation with conflict head declines, and buffering pneumatic cushion is gradually pressed in conflict head, at this During, buffering pneumatic cushion plays cushioning effect, reduces time and the dynamics that buffer head is contacted with aluminum plastic film, it is to avoid aluminum plastic film is made Become crushing.After buffering pneumatic cushion is pressed into conflict head, the gas in air flue can be discharged to contact outer by steam vent, directly Rush hole bottom surface to conflict head and aluminum plastic film to contact, air pump cuts out, secondary chi and conflict head stop moving down.Observe the size that secondary chi declines To measure the depth in punching hole.In whole process, secondary chi Impact direction is uniform, it is to avoid secondary chi journal offset, reduces error.
Brief description
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 is the cross-section cutaway view of secondary chi in the present invention;
Accompanying drawing 3 is partial enlarged drawing at A in accompanying drawing 2;
Accompanying drawing 4 is that in accompanying drawing 2, A is in partial enlarged drawing during insufflation gas;
Accompanying drawing 5 is conflict head structural representation in example 2 in the present invention.
Illustrate:1- calibrator platform, 2- positioning rule, 3- aluminum plastic film, the transparent main scale of 4-, 5- secondary chi, 6- air pump, 7- gas Pipe, 8- scale groove, 9- conflict head, 10- seals sliding sleeve, 11- air-vent, 12- air flue, 13- connecting post, 14- bulb, and 15- buffers Air cushion, 16- conflicts and pads, 17- steam vent, 18- intercommunicating pore, the upper venthole of 19-, 20- lower production well, 21- accommodating chamber, and 22- buffers Boss, 23- flexible guiding set, 24- gas port.
Specific embodiment
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment 1:As shown in Figure 1,2,3, 4, a kind of aluminum plastic film scour hole depth measuring apparatus, including calibrator platform 1 He Thickness measuring chi, calibrator platform is provided with and cheats corresponding nib with rushing of aluminum plastic film 3, calibrator platform base is slidably connected useful In the positioning rule 2 of fixing aluminum plastic film, thickness measuring chi includes the transparent main scale 4 being fixed on nib edge, arranges at transparent main scale axis There is accommodating chamber 21, accommodate intracavity and slidably connect secondary chi 5, transparent main scale top is provided with air pump 6, air pump passes through trachea 7 and holds Receive chamber connection, secondary chi bottom is provided with conflict 9;It is provided through air flue 12, air flue is close at the axis of secondary chi and conflict head It is provided with buffering pneumatic cushion 15, conflict rostral face is provided with several steam vent 17, steam vent and air flues at conflict head bottom margin It is connected.Secondary chi top is provided with and accommodates the sealing sliding sleeve 10 that cavity wall is fitted, and is provided with ventilation at the axis of sealing sliding sleeve Hole 11, passage is coaxially connected with air flue, and air-vent is in truncated cone-shaped, and the basal diameter of air-vent is identical with airway diameter, breathes freely The diameter in hole is sequentially reduced from the bottom to top.Conflict head includes bulb 14 and connecting post 13, and bulb is in spherical, and bulb passes through to connect Post is threadeded with secondary chi, and air flue runs through connecting post and bulb.Steam vent tilts to run through conflict head, and same steam vent is being conflicted Venthole 19 and lower production well 20 are formed on head, the incline direction of steam vent is acute angle with the axis direction angle of conflict head, Steam vent is connected with air flue by intercommunicating pore 18, and the axis of intercommunicating pore is vertical with aerofluxuss axially bored line.Buffering pneumatic cushion is in cambered surface, buffering It is provided with conflict pad 16, the radian of conflict pad and thickness are respectively less than buffering pneumatic cushion at the axis of air cushion.It is provided with transparent main scale Scale groove 8.
The measuring process of above-mentioned aluminum plastic film scour hole depth measuring apparatus is as follows:1)The aluminum plastic film that punching hole is completed is fixed on survey Thick instrument platform base, is made the nib on calibrator platform corresponding with thickness measuring chi at punching, is fixed aluminum plastic film using positioning rule In calibrator platform base;2)Contact aluminum plastic film punching hole bottom surface is moved downward to by secondary chi, observes the scale that secondary chi declines, that is, For scour hole depth;3)By the slip of positioning rule, plastic-aluminum film location can be adjusted, realize multimetering.Wherein step 2)In beat Drive air pump, gas is poured the receiving intracavity of transparent main scale by air pump by trachea, the air pressure accommodating intracavity increases, promote secondary chi to Undershoot moves in hole;While air-flow promotes secondary chi mobile, there are portion gas to enter at secondary chi and conflict head by air flue, make to delay Qi of chong channel ascending adversely pad dilatancy simultaneously protrudes from conflict head surface;Buffering pneumatic cushion is played buffering after being contacted with the bottom surface in aluminum plastic film punching hole and makees With declining with conflict head, buffering pneumatic cushion is pressed in conflict head, and the gas in air flue is discharged by steam vent, it is to avoid conflict head Excessive compression aluminum plastic film.
The aluminum plastic film that punching hole is completed is fixed on calibrator platform base by positioning rule, so that thickness measuring chi is vertically corresponded in institute The position that need to measure, after being measured using thickness measuring chi, can pass through the position of running fix chi, to adjust the position of aluminum plastic film Put, and then be capable of multimetering it is ensured that whole rush the certainty of measurement cheated.Setting accommodating chamber, accommodating chamber inside transparent main scale Can not only slide for secondary chi, and using air pump to accommodating intracavity insufflation gas, so that accommodating chamber internal gas pressure is increased, using receiving The air pressure of intracavity promotes secondary chi to slide it is ensured that the secondary chi Impact direction axis direction parallel to secondary chi and moving direction all the time, keeps away Exempt from secondary chi, in measurement, axial dipole field occurs, reduce error.Most of gas and air pressure promote secondary chi to move down, and fraction The conflict head that gas enters secondary chi by air flue and is located at secondary chi bottom, this portion gas promotes buffering pneumatic cushion expansion to become big and dash forward For conflict head surface.With the decline of conflict head, the buffering pneumatic cushion after expansion is preferential to be contacted with aluminum plastic film punching hole bottom surface, with The continuation of conflict head declines, and buffering pneumatic cushion is gradually pressed in conflict head, and in this process, buffering pneumatic cushion plays buffering and makees With reducing time and the dynamics that buffer head is contacted with aluminum plastic film, it is to avoid crushing is caused to aluminum plastic film.When buffering pneumatic cushion be pressed into After contact, the gas in air flue can be discharged to contact outer by steam vent, until conflict head and aluminum plastic film punching hole bottom surface Contact, air pump cuts out, and secondary chi and conflict head stop moving down.The size observing secondary chi decline rushes, to measure, the depth cheated.Whole mistake Cheng Zhong, secondary chi Impact direction is uniform, it is to avoid secondary chi journal offset, reduces error.Secondary chi top is provided with and accommodates cavity wall patch The sealing sliding sleeve closing, sealing sliding sleeve ensure that sealing between secondary chi and accommodating chamber it is ensured that accommodating the gases at high pressure of intracavity Secondary chi can be promoted to move, secondary chi and the contact area accommodating cavity wall can be reduced simultaneously, reduce when secondary chi is slided and receiving Frictional force between the wall of chamber side.It is provided with passage, passage is coaxially connected with air flue it is ensured that part at the axis of sealing sliding sleeve Gas can enter air flue by passage.Air-vent is in truncated cone-shaped, and the basal diameter of air-vent is identical with airway diameter, breathes freely The diameter in hole is sequentially reduced from the bottom to top, and that is, the diameter of air-vent upper end is little, lower end diameter is big it is ensured that receiving intracavity is most of Gas is used for promoting secondary chi to move, and very small part gas can enter air-vent, straight with air-vent after entrance air-vent Footpath increases, and gas pressure reduces, and can be lowered into the gas pressure in air flue using the air-vent of truncated cone-shaped.Conflict head includes Bulb and connecting post, bulb is in spherical, and the contact area that domed bulb is rushed when hole bottom surface contacts with aluminum plastic film is little, it is to avoid Aluminum plastic film punching hole bottom surface injustice causes secondary chi journal offset, is effectively reduced measurement error.Bulb passes through connecting post and secondary chi spiral shell Stricture of vagina connects, and the connecting post that is, the distance between bulb and secondary chi can be threaded connection is adjusted, and thickness measuring chi is using necessarily After number of times, by rotating ballhead come adjusting ball head position, and then secondary chi calibration can be realized.Steam vent tilts to run through conflict Head, the incline direction of steam vent is acute angle with the axis direction angle of conflict head, and same steam vent is formed on conflict head Venthole and lower production well, lower production well can rush hole bottom surface purging to aluminum plastic film, especially to conflict head and aluminum plastic film punching hole The contact position purging of bottom surface, drifting dust is blown off, it is to avoid there is dust between conflict head and aluminum plastic film punching hole bottom surface, reduces measurement by mistake Difference.Steam vent is connected with air flue by intercommunicating pore, and the axis of intercommunicating pore is vertical with aerofluxuss axially bored line, i.e. the axis of intercommunicating pore and gas Road axis is at an acute angle, and the gas in air flue preferentially reaches down to buffering pneumatic cushion, then enters intercommunicating pore and steam vent from bottom to top, protects Card buffering pneumatic cushion preferentially expands.Buffering pneumatic cushion is in cambered surface, and when gas fills to buffering pneumatic cushion, buffering pneumatic cushion can be by gas pressure Guide to axis direction and concentrate, at the axis of buffering pneumatic cushion, be provided with conflict pad, the radian of pad of conflicting and thickness are respectively less than and buffer Air cushion, that is, pressure can be preferentially by pad swell of conflicting to after axis direction concentration, and pad of conflicting preferentially is contacted with aluminum plastic film, plays slow Punching acts on, and after conflict pad is driven plain, buffering pneumatic cushion is contacted with aluminum plastic film again, improves cushioning effect further.
Embodiment 2:The present embodiment is essentially identical with the structure of embodiment 1, and difference is, as shown in figure 5, connecting post Axially it is arranged at intervals with several on inwall and buffers boss 22, the thickness positioned at middle buffering boss is more than positioned at upper and lower ends The buffering thickness of boss and thickness be gradually reduced from centre to upper and lower ends.Intercommunicating pore is provided with the top of air flue junction Flexible guiding set 23, the section of flexible guiding set is in class " U " type, is provided with gas port 24 at the axis of flexible guiding set, flexible The outer end of fairlead is fixedly linked with airway side wall, and the side wall length of flexible guiding set is more than or equal to the diameter of intercommunicating pore.Even Connect and several buffering boss are axially arranged at intervals with column wall, when the gas within when secondary chi enters at connecting post, buffering is convex Platform can change the bore of air flue, using buffering boss to gas buffer, be more than positioned at the thickness of middle buffering boss and be located at The buffering thickness of boss of upper and lower ends and thickness is gradually reduced from centre to upper and lower ends, when gas, successively 'go'gage is more next After less buffering boss, air pressure is effectively reduced;Again successively after the increasing buffering boss of 'go'gage, air pressure Can be stablized it is ensured that the air pressure entering the gas of conflict head is effectively reduced and stablizes.Intercommunicating pore is connected with air flue The top at place is provided with flexible guiding set, and the section of flexible guiding set is in class " U " type, and the gas in air flue is through flexible guiding set Guiding, continue to be filled with downwards by gas port, the flexible guiding set of class " U " type can be to gas buffer blood pressure lowering and voltage stabilizing.Soft Property fairlead side wall length be more than or equal to the diameter of intercommunicating pore, when gas is from top to bottom filled with, flexible guiding set can be by Gas guides, and so that gas is concentrated to axis direction, recycles the side wall of flexible guiding set to block the junction of intercommunicating pore and air flue, Ensure that gas preferentially fills to buffering pneumatic cushion.And when buffering pneumatic cushion is compressed, gas from bottom to top can be subject to flexible guiding The guiding of set preferentially enters intercommunicating pore and discharges.
It should be understood that this embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that After having read the content of present invention instruction, those skilled in the art can make various changes or modifications to the present invention, these etc. Valency form equally falls within the application appended claims limited range.

Claims (10)

1. a kind of aluminum plastic film scour hole depth measuring apparatus are it is characterised in that include calibrator platform and thickness measuring chi, calibrator platform On be provided with and corresponding nib is cheated in aluminum plastic film punching, calibrator platform base slidably connects the positioning for fixing aluminum plastic film Chi, thickness measuring chi includes the transparent main scale being fixed on nib edge, is provided with accommodating chamber at transparent main scale axis, accommodates intracavity and slides It is connected with secondary chi, transparent main scale top is provided with air pump, and air pump is connected with accommodating chamber by trachea, and secondary chi bottom is provided with conflict Head;It is provided through air flue, air flue is provided with buffering pneumatic cushion at conflict head bottom margin at the axis of secondary chi and conflict head, Conflict rostral face is provided with several steam vents, and steam vent is connected with air flue.
2. a kind of aluminum plastic film scour hole depth measuring apparatus according to claim 1 are it is characterised in that described secondary chi top It is provided with and accommodates the sealing sliding sleeve that cavity wall is fitted, at the axis of sealing sliding sleeve, be provided with passage, passage is same with air flue Axle is connected, and air-vent is in truncated cone-shaped, and the basal diameter of air-vent is identical with airway diameter, and the diameter of air-vent is from the bottom to top successively Reduce.
3. a kind of aluminum plastic film scour hole depth measuring apparatus according to claim 1 are it is characterised in that described conflict head bag Include bulb and connecting post, bulb is in spherical, and bulb is threadeded with secondary chi by connecting post, and air flue runs through connecting post and ball Head.
4. a kind of aluminum plastic film scour hole depth measuring apparatus according to claim 3 are it is characterised in that in described connecting post Axially it is arranged at intervals with several on wall and buffers boss, be more than positioned at the thickness of middle buffering boss slow positioned at upper and lower ends Rush the thickness of boss and thickness is gradually reduced to upper and lower ends from centre.
5. a kind of aluminum plastic film scour hole depth measuring apparatus according to claim 1 or 2 or 3 or 4 are it is characterised in that described Steam vent tilt run through conflict head, same steam vent forms venthole and lower production well on conflict head, steam vent Incline direction is acute angle with the axis direction angle of conflict head, and steam vent is connected with air flue by intercommunicating pore, the axis of intercommunicating pore Vertical with aerofluxuss axially bored line.
6. a kind of aluminum plastic film scour hole depth measuring apparatus according to claim 5 are it is characterised in that intercommunicating pore is connected with air flue The top at the place of connecing is provided with flexible guiding set, and the section of flexible guiding set is in class " U " type, is provided with the axis of flexible guiding set Gas port, the outer end of flexible guiding set is fixedly linked with airway side wall, and the side wall length of flexible guiding set is more than or equal to connection The diameter in hole.
7. a kind of aluminum plastic film scour hole depth measuring apparatus according to claim 1 or 2 or 3 or 4 are it is characterised in that buffer Air cushion is in cambered surface, is provided with conflict pad at the axis of buffering pneumatic cushion, and the radian of conflict pad and thickness are respectively less than buffering pneumatic cushion.
8. a kind of aluminum plastic film scour hole depth measuring apparatus according to claim 1 or 2 or 3 or 4 are it is characterised in that transparent Scale groove is provided with main scale.
9. a kind of a kind of as claimed in any of claims 1 to 8 in one of claims measuring method of aluminum plastic film scour hole depth measuring apparatus, It is characterized in that, step is as follows:1)The aluminum plastic film that punching hole is completed is fixed on calibrator platform base, makes on calibrator platform Nib corresponding with thickness measuring chi at punching, using positioning rule, aluminum plastic film is fixed on calibrator platform base;2)By secondary chi to Lower movement, to contacting aluminum plastic film punching hole bottom surface, observes the scale that secondary chi declines, as scour hole depth;3)By the cunning of positioning rule Dynamic, plastic-aluminum film location can be adjusted, realize multimetering.
10. measuring method according to claim 9 is it is characterised in that step 2)In open air pump, gas is passed through by air pump Trachea pours the receiving intracavity of transparent main scale, and the air pressure accommodating intracavity increases, and promotes secondary chi to move into undershoot hole;Air-flow promotes While secondary chi is mobile, there are portion gas to enter at secondary chi and conflict head by air flue, make buffering pneumatic cushion dilatancy and project In conflict head surface;Buffering pneumatic cushion plays cushioning effect after contacting with the bottom surface in aluminum plastic film punching hole, declines with conflict head, buffering Air cushion is pressed in conflict head, and the gas in air flue is discharged by steam vent, it is to avoid conflict head excessive compression aluminum plastic film.
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