CN114354085A - Helium mass spectrometer leak detector - Google Patents
Helium mass spectrometer leak detector Download PDFInfo
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- CN114354085A CN114354085A CN202111657137.0A CN202111657137A CN114354085A CN 114354085 A CN114354085 A CN 114354085A CN 202111657137 A CN202111657137 A CN 202111657137A CN 114354085 A CN114354085 A CN 114354085A
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- 239000001307 helium Substances 0.000 title claims abstract description 91
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 91
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 230000001360 synchronised effect Effects 0.000 claims abstract description 31
- 230000002950 deficient Effects 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 26
- 238000012360 testing method Methods 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The embodiment of the application discloses helium mass spectrometer leak detector, be in including frame and setting material loading module in the frame, material loading module includes: the conveying assembly comprises two synchronous belts which are arranged in parallel at intervals; the positioning assembly is arranged at one end of the conveying assembly and comprises a variable pitch cylinder and a photoelectric sensor, the variable pitch cylinder is arranged between the two synchronous belts, and the variable pitch cylinder is configured to block a product to be detected placed on the surfaces of the synchronous belts on a conveying surface perpendicular to the synchronous belts; the photoelectric sensor is configured to detect position information of a product to be detected and transmit the position information to the conveying assembly; the positioning assembly is configured to equally space the products to be inspected. The technical effect of the embodiment of the application lies in that the automatic separation and arrangement of the products to be tested are realized through the matching of the positioning assembly and the conveying assembly.
Description
Technical Field
The application belongs to the technical field of helium mass spectrometer leak detectors, and particularly relates to a helium mass spectrometer leak detector.
Background
With the development of the times, the application range of the power battery is wider and wider. As one of power batteries, square batteries are widely used in new energy industries. The safety of the prismatic battery is mainly determined by the design of the cover plate explosion-proof valve, so the air tightness test of the cover plate is important in the cover plate production process.
In the related art, the airtightness test of the cover plate is generally performed by using a helium mass spectrometer leak detector. The helium mass spectrometer leak detector is a mass spectrometer which uses helium gas or hydrogen gas as leak-indicating gas and uses a gas analyzer to detect helium gas for leak detection.
However, most of the existing helium mass spectrometer leak detectors have long testing time and low production efficiency.
Disclosure of Invention
An object of the embodiment of this application is to provide a new technical scheme of helium mass spectrometer leak detector.
According to a first aspect of the embodiments of the present application, there is provided a helium mass spectrometer leak detector, including a rack and a feeding module disposed on the rack, where the feeding module includes:
the conveying assembly comprises two synchronous belts which are arranged in parallel at intervals;
the positioning assembly is arranged at one end of the conveying assembly and comprises a variable pitch cylinder and a photoelectric sensor, the variable pitch cylinder is arranged between the two synchronous belts, and the variable pitch cylinder is configured to block a product to be detected placed on the surfaces of the synchronous belts on a conveying surface perpendicular to the synchronous belts; the photoelectric sensor is configured to detect position information of a product to be detected and transmit the position information to the conveying component; the positioning assembly is configured to equally space the products to be inspected.
Optionally, the positioning assembly further comprises a limiting member, the variable pitch cylinder comprises a first cylinder and a second cylinder which are sequentially distributed along the movement direction of the upper surface of the synchronous belt, the first cylinder is configured to block a product to be detected which is not separated by a distance, and the second cylinder is provided with a plurality of cylinders which are distributed at equal intervals;
the locating part with the second cylinder one-to-one, and set up in the outside of hold-in range, the locating part be configured into with hold-in range upper surface is parallel to go on spacingly to waiting to examine the product.
Optionally, the stopper includes:
the side baffle is arranged on one side of the synchronous belt along the conveying direction;
the limiting cylinder is arranged on the other side of the synchronous belt along the conveying direction and is configured to be matched with the side baffle to clamp and position the product to be detected.
Optionally, the locating component still includes the cylinder of aligneing, align the cylinder with spacing cylinder is located the same one side of hold-in range, just align the cylinder with spacing cylinder follows the direction of motion of hold-in range upper surface distributes in proper order, align the cylinder be configured into with the side shield cooperation, so that be in the first cylinder blocks waiting of state and waits to examine the product alignment.
Optionally, the transport assembly further comprises a mounting plate and a threaded rod;
two mounting plates are arranged, and each mounting plate is provided with one synchronous belt;
the threaded rod vertically penetrates through the two mounting plates, and the threaded rod is configured to adjust the distance between the two mounting plates.
Optionally, the helium mass spectrometer leak detector further comprises:
a helium testing module comprising a helium mass spectrometer and a plurality of helium testing dies, each connected to one of the helium mass spectrometers, the helium testing dies comprising an upper die, a lower die, and a movement assembly configured to move the lower die from a first position to a second position such that the lower die is directly below the upper die;
the device comprises a feeding module, a helium detecting module and a carrying module, wherein the carrying module comprises a guide rail and a sucker assembly, the guide rail stretches across the feeding module, the helium detecting module and the feeding module, the sucker assembly is connected with the guide rail in a sliding mode, and the sucker assembly is configured to transport products among the feeding module, the helium detecting module and the feeding module;
the control module is configured to be electrically connected with the feeding module, the helium detection module, the discharging module and the conveying module and used for driving the feeding module, the helium detection module, the discharging module and the conveying module to act.
Optionally, the suction cup assembly includes:
the driving cylinder is arranged on the guide rail and is in sliding connection with the guide rail;
the connecting element comprises a first connecting plate and a plurality of second connecting plates, the first connecting plate is connected with the piston rod of the driving cylinder, the second connecting plates are arranged on the first connecting plate at intervals, and the distribution positions of the second connecting plates are matched with the positioning assembly;
and the sucker element is connected with the piston of the driving cylinder through the second connecting plate.
Optionally, each second connecting plate is provided with at least two suction cup elements, and the suction cup elements are slidably connected with the second connecting plate.
Optionally, the unloading module includes certified products unloading conveyer belt and defective products unloading conveyer belt, defective products unloading conveyer belt with the transport direction of certified products unloading conveyer belt is opposite. Optionally, the discharge end of defective product unloading conveyer belt is provided with prevents weighing down the baffle, prevent weighing down the baffle and be configured as right the defective products on defective product unloading conveyer belt surface block.
One technical effect of the embodiment of the application is as follows: when carrying out the gas tightness test to power battery apron, this device is provided with a plurality of helium and examines the mould to can place a plurality of products that await measuring simultaneously, effectively improve work efficiency, greatly practice thrift the cost of labor.
Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic perspective view of an embodiment of the present disclosure;
FIG. 2 is a side view provided by an embodiment of the present application;
fig. 3 is a schematic structural diagram of a positioning assembly in an embodiment of the present application.
FIG. 4 is a top view provided by an embodiment of the present application;
fig. 5 is a partially enlarged schematic view of a portion a in fig. 1 according to an embodiment of the present application.
Wherein:
1. a frame;
2. a feeding module; 21. a transfer assembly; 211. a synchronous belt; 212. an adjustment assembly; 2121. mounting a plate; 2122. a threaded rod;
22. a positioning assembly; 221. a variable pitch cylinder; 2211. a first cylinder; 2212. a second cylinder;
222. a limiting member; 2221. an edge baffle; 2222. a limiting cylinder; 223. a photosensor;
224. aligning the cylinders;
3. a helium detection module; 31. an upper die; 32. a lower die; 33. a moving assembly;
4. a blanking module; 41. qualified product blanking conveying belts; 42. blanking a defective product on a conveyer belt;
5. a carrying module; 51. a guide rail; 52. a sucker component; 521. a driving cylinder; 522. a connecting element; 5221. a first connecting plate; 5222. a second connecting plate; 523. a suction cup element;
6. an anti-falling baffle.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
Referring to fig. 1-5, the present application provides a helium mass spectrometer leak detector including a frame 1 and a loading module 2 disposed on the frame 1. The feeding module 2 comprises a conveying assembly 21 and a positioning assembly 22 arranged at one end of the conveying assembly 21. Conveying assembly 21 includes two hold-in ranges 211, and two hold-in ranges 211 are parallel and the interval sets up, and the product of waiting to examine is placed in the upper surface of two hold-in ranges 211, and the product of waiting to examine realizes removing through conveying assembly 21.
The positioning assembly 22 includes a variable pitch cylinder 221 and a photoelectric sensor 223, the variable pitch cylinder 221 is disposed between the two synchronous belts 211, the variable pitch cylinder 221 is configured to block a product to be inspected placed on the surface of the synchronous belts 211 on a conveying surface perpendicular to the synchronous belts 211, and a piston rod of the variable pitch cylinder 221 reciprocates along the conveying surface perpendicular to the upper surface of the synchronous belts 211 in this embodiment.
The photoelectric sensor 223 is configured to detect position information of the product to be inspected and transmit the position information to the conveying assembly 21, and the conveying assembly 21 decides to start or stop transportation of the product to be inspected according to the information transmitted by the photoelectric sensor 223. When the product of waiting of transport moves to displacement cylinder 221 position on the hold-in range 211, the piston rod of displacement cylinder 221 stretches out and is higher than the upper surface of hold-in range 211, stops waiting to examine the product on the hold-in range 211 to realize that locating component 22 will wait to examine that the product is automatic to carry out solitary separation and arrange.
This application realizes waiting to examine the transportation of examining the product through two hold-in ranges 211, the locating component 22 that sets up in hold-in range 211 one end simultaneously realizes waiting to examine the product and carry out automatic interval and arrange, be convenient for follow-up product to examining carries out the leakproofness and detects, improve the automation degree of helium mass spectrometer leak detector that this application discloses simultaneously, make operating personnel only need with a heap wait to examine the product place simultaneously on hold-in range 211 can, need not to treat to examine the product and carry out single position and arrange and place, greatly improve the speed and the accuracy of production.
Optionally, referring to fig. 1 to 3, the positioning assembly 22 further includes a limiting member 222, the pitch variable cylinder 221 includes a first cylinder 2211 and a second cylinder 2212 sequentially distributed along the moving direction of the upper surface of the timing belt 211, the first cylinder 2211 is configured to block the non-spaced products to be inspected, and the second cylinder 2212 is provided in a plurality and is distributed at equal intervals along the conveying direction of the upper surface of the timing belt 211. In the embodiment shown in fig. 2-3, there are four second cylinders 2212. In addition, can also be with a second cylinder 2212 replacement that is close to the discharge end of hold-in range 211 for the mounting, the mounting is installed in the frame, and the mounting is higher than the upper surface of hold-in range 211, and the mounting is used for blockking the location to waiting to examine the product of hold-in range 211 upper surface transportation. That is, the second cylinder 2212 includes three cylinders distributed at equal intervals and a fixing member, and the two cylinders achieve the same effect.
The limiting members 222 correspond to the second air cylinders 2212 one to one, and in the embodiment shown in fig. 3, four limiting members 222 are provided. The stopper 222 is disposed outside the timing belt 211, wherein the outside of the timing belt 211 is a side away from the position of the pitch cylinder 221 in the upper surface transport direction of the timing belt 211. The stopper 222 is configured to stop the product to be inspected in a direction parallel to the upper surface of the timing belt 211.
Referring to fig. 1-3, in use, after being transported by the synchronous belt 211, a product to be inspected first moves to a position where the first cylinder 2211 is located, and a piston rod of the first cylinder 2211 extends to a position higher than the upper surface of the synchronous belt 211, and blocks all the products to be inspected. The piston rod of the first cylinder 2211 is then retracted below the upper surface of the timing belt 211 to unblock the product to be inspected. When a product to be inspected moves along with the belt 211, the piston rod of the first cylinder 2211 is extended to continue to block the remaining undivided product to be inspected. A product to be inspected which is paid out moves along with the timing belt 211, the product to be inspected moves to a position where the second cylinder 2212 farthest from the first cylinder 2211 is located by the timing belt 211, and the piston rod of the second cylinder 2212 at the position extends to block the product to be inspected, so that the positioning of the product to be inspected is realized. The above-mentioned process is repeated until every second cylinder 2212's piston rod all butt has one to wait to examine the product, realizes waiting to examine the equidistant distribution of product.
Alternatively, referring to fig. 3, the limiting member 222 includes an edge guard 2221 and a limiting cylinder 2222, the edge guard 2221 is disposed at one side of the timing belt 211 along the conveying direction, and the edge guard 2221 extends to above the upper surface of the timing belt 211. In addition, as shown in fig. 3, two side guards 2221 may be provided, the pitch cylinder 221 is provided between the two timing belts, and the side guard 2221 is provided on a side of each timing belt 211 away from the pitch cylinder 221. When the product to be inspected is placed on the timing belt 211 and moves along with the timing belt 211, the product to be inspected is positioned between the two edge dams 2221.
The setting of edge dam 2221 is favorable to preventing on the one hand that the product of waiting to examine from sliding off from hold-in range 211. On the other hand and spacing cylinder 2222 cooperation, the telescopic link extension in-process of spacing cylinder 2222 promotes to wait to examine the product, and the product and limit baffle 2221 looks butt up to waiting to examine the product centre gripping between limit baffle 2221 and spacing cylinder 2222, make the product of waiting to examine that has fixed a position can be static for hold-in range 211, and further treat that the product of examining carries on spacingly. During the movement of the timing belt 211, the positioned product to be inspected does not move along with the movement of the timing belt 211. Carry out single partition and equidistant in-process of arranging at will waiting to examine the product, reduce hold-in range 211 and remove the in-process and to waiting to examine the influence of the product of examining of location, improve equidistant stability of arranging and waiting to examine the product in-process.
Alternatively, referring to fig. 3, the positioning assembly 22 further includes an alignment cylinder 224, the alignment cylinder 224 and the limit cylinder 2222 are located on the same side of the timing belt 211, and the alignment cylinder 224 and the limit cylinder 2222 are sequentially distributed along the moving direction of the upper surface of the timing belt 211, and the alignment cylinder 224 is configured to cooperate with the edge dam 2221 to align the product to be inspected in the state that the first cylinder 2211 blocks.
The product to be inspected on the hold-in range 211 at first moves to first cylinder 2211 position, and first cylinder 2211 blocks the product to be inspected of not dividing the interval yet. At this time, the piston rod of the aligning cylinder 224 extends to push the product to be inspected until one side of the product to be inspected abuts against the side baffle 2221. Thereby will and arrange a plurality of products of waiting to examine on arranging hold-in range 211 in and promote simultaneously to the position with limit baffle 2221 looks butt, realize waiting to examine the arrangement of product and align, be favorable to follow-up minute interval to arrange and wait to examine the product, improve the availability factor of this device.
In addition, the piston rod that aligns cylinder 224 keeps the extension state continuously, can also carry out the centre gripping location with the cooperation of edge baffle 2221 to piling up the product of waiting to examine in first cylinder 2211 position for the product of waiting to examine that this position goes out moves the fixed of in-process holding position at hold-in range 211, thereby improves the stability that the product removed the in-process.
Alternatively, referring to fig. 3-4, the conveying assembly 21 further includes an adjusting assembly 212, the adjusting assembly 212 includes two mounting plates 2121 and a threaded rod 2122, and two mounting plates 2121 are provided, and one timing belt 211 is provided on each mounting plate 2121. In this application mounting panel 2121 and hold-in range 211 upper surface are perpendicular, have seted up the spout along threaded rod 2122 axial on the frame 1, through spout sliding connection between every mounting panel 2121 and the frame 1. The mounting plate 2121 and the frame 1 may also be slidably connected by a guide rod, and the present application does not specifically limit the movable connection manner between the mounting plate 2121 and the frame 1.
The threaded rod 2122 passes perpendicularly through the two mounting plates 2121, and the threaded rod 2122 is configured to adjust a spacing between the two mounting plates 2121. The threaded rod 2122 is a bidirectional screw. When the threaded rod 2122 is set as a bidirectional threaded rod, the threaded rod 2122 is in threaded connection with both of the mounting plates 2121, and both of the mounting plates 2121 are in sliding connection with the frame 1. One end of the threaded rod 2122 passes through one mounting plate 2121 and is rotatably connected with the frame 1, and the other end of the threaded rod 2122 passes through the other mounting plate 2121 and is connected with a control handle.
By adopting the above structure, when the threaded rod 2122 is rotated, the two mounting plates 2121 are both relatively or oppositely moved relative to the frame 1, so that the increase or decrease of the distance between the two mounting plates 2121 is realized, and the distance between the two synchronous belts 211 is adjusted. The threaded rod 2122 may also be provided as two separate threaded rods, which are in one-to-one correspondence with the mounting plate 2121 and are in threaded connection, and the structure of the threaded rod 2122 is not specifically limited in this application.
Through setting up mounting panel 2121 and threaded rod 2122 in transfer module 21 in this application, be convenient for when using according to waiting to examine the size of examining the product, adjust the distance of two mounting panels 2121 supports through rotating threaded rod 2122 to the realization is to the adjustment of interval between two hold-in range 211, adapts to the not unidimensional product of waiting to examine, improves the application scope of this device. Adopt threaded rod 2122 structure in addition, only need rotate threaded rod 2122 and can realize the adjustment to two hold-in range 211 intervals, the simple operation, threaded rod 2122 structure makes the connection stability reinforcing between two mounting panels 2121 simultaneously to can prolong the life of this equipment.
Optionally, referring to fig. 4, the helium mass spectrometer leak detector further comprises a helium detection module 3, a blanking module 4, a carrying module 5 and a control module arranged on the rack 1. Wherein, the feeding module 2, the helium detecting module 3 and the discharging module 4 are distributed in sequence from right to left in fig. 4.
The helium testing module 3 comprises a helium mass spectrometer and a plurality of helium testing dies, wherein the plurality of helium testing dies are connected with the helium mass spectrometer, the helium testing dies comprise an upper die 31, a lower die 32 and a moving assembly 33, and the moving assembly 33 is configured to move the lower die 32 from a first position to a second position, so that the lower die 32 is positioned right below the upper die 31. Wherein the second position is directly below the upper mold 31. The moving assembly 33 is provided as a rodless cylinder in this embodiment.
In the embodiment shown in fig. 1-4, the helium mass spectrometer is provided with one, the helium mass spectrometer is provided with two-channel switching, the helium detection molds are provided with eight helium detection molds, the eight helium detection molds are averagely divided into two groups, each group comprises four helium detection molds, and one channel of the helium mass spectrometer is connected with four helium detection molds. When the helium mass spectrometer is used, the helium mass spectrometer is firstly switched to one channel to carry out the tightness test on the product to be detected in one group of four helium detection molds, and then the helium mass spectrometer is switched to the other channel to carry out the tightness test on the product to be detected in the other group of four helium detection molds. When examining the mould to a set of helium in this application and carrying out the gas tightness test, can place in another group of helium in step and examine the mould and wait for examining the product to save the time of waiting for waiting to examine the product and carrying out the transport, realize helium mass spectrometer's continuous work, improve helium mass spectrometer's leakproofness efficiency of software testing.
In addition, go up the mould in this application and be connected with a air cylinder down, go up the mould and move to the bed die through air cylinder down on, every goes up the mould and all is connected with air cylinder down, is favorable to guaranteeing to wait to examine the product atress even to the assurance is waited the gas tightness of examining the product in the testing process, guarantees test effect.
The blanking module 4 is used for collecting and transporting the products to be detected which are detected by the helium detection module 3.
The carrying module 5 comprises a guide rail 51 and a sucker assembly 52, the guide rail 51 spans the feeding module 2, the helium detection module 3 and the blanking module 4, the sucker assembly 52 is slidably connected with the guide rail 51, and the sucker assembly 52 is configured to transport products among the feeding module 2, the helium detection module 3 and the blanking module 4;
a control module configured to be electrically connected to the feeding module 2, the helium detecting module 3, the discharging module 4 and the carrying module 5 and used for driving the feeding module 2, the helium detecting module 3, the discharging module 4 and the carrying module 5 to move.
The helium mass spectrometer is connected with the helium detection dies, so that stations of the helium detection instrument in the helium detection process are increased, a plurality of products to be detected can be simultaneously tested for tightness, and the test efficiency of the products to be detected is greatly improved. In addition, the helium mass spectrometer leak detector that this application provided realizes the cooperation between each module through control module group, realizes waiting to examine the full flow automatic operation of the unloading of product after finishing from the material loading to follow-up helium detection, improves the helium detection efficiency of waiting to examine the product.
Alternatively, referring to fig. 5, the suction cup assembly 52 includes a driving cylinder 521, a connecting member 522, and a suction cup member 523.
The driving cylinder 521 is disposed on the guide rail 51 and slidably connected to the guide rail 51, and in this application, the driving cylinder 521 is slidably connected to the guide rail 51. In the embodiment of the present application, a screw is disposed on the guide rail 51, and the screw is used for driving the driving cylinder 521 to move along the axial direction of the guide rail 51. The piston rod of the driving cylinder 521 is perpendicular to the upper surface of the timing belt 211.
The connection element 522 includes a first connection plate 5221 and a second connection plate 5222. The first connection plate 5221 is connected to the piston rod of the driving cylinder 521, the second connection plates 5222 are provided in plurality, the plurality of second connection plates 5222 are mounted on the first connection plate 5221 at intervals, and the distribution positions of the second connection plates 5222 are matched with the positioning members 22.
In the embodiment shown in fig. 5, the first connection plate 5221 is parallel to the upper surface of the timing belt 211, four second connection plates 5222 are connected to the first connection plate 5221, the four second connection plates 5222 are equally spaced apart from each other along the length direction of the first connection plate 5221, and the first connection plate 5221 is perpendicular to the second connection plate 5222.
The suction cup member 523 is mounted on the second connection plate 5222, and the suction cup member 523 is connected with the piston of the driving cylinder 521 through the second connection plate 5222.
In the suction cup assembly 52, the suction cup element 523 is used for adsorbing a product to be detected to realize connection, and the suction cup element 523 is connected with the driving cylinder 521 through the connecting element 522. The connecting elements 522 are formed by a first connecting plate 5221 and a second connecting plate 5222, so that the positions and the number of the second connecting plates 5222 can be adjusted according to the sub-pitch cylinders. On the one hand, the driving cylinder 521 is slidably connected with the guide rail 51 to drive the sucking disc element 523 to suck the product to be detected to move among the feeding module 2, the helium detecting module 3 and the discharging module 5. On the other hand, the piston rod of the driving cylinder 521 reciprocates along the direction perpendicular to the upper surface of the synchronous belt 211, so that the driving cylinder 521 drives the sucker element to reciprocate along the axial direction of the guide rail 51, and the connection and separation between the sucker element 523 and a product to be detected are realized.
Referring to fig. 5, at least two suction cup elements 523 are disposed on each second connection plate 5222, the suction cup elements 523 are slidably connected with the second connection plate 5222, and the suction cup elements 523 are configured to adjust the interval of the adjacent suction cup elements 523 according to the length of a product to be inspected. In the embodiment shown in fig. 4, each second connecting plate 5222 is provided with two sucking disc elements 523, and the two sucking disc elements 523 are symmetrically distributed around the first connecting plate 5221 as a center, so as to improve the stability of the sucking disc elements 523 to the product to be detected.
In the embodiment shown in fig. 5, the second connecting plate 5222 is provided with a sliding slot, and the suction cup member 523 is slidably connected to the second connecting plate 5222 through the sliding slot. The above is a sliding connection manner between the sucker element 523 and the second connection plate 5222, and the sliding connection manner between the sucker element 523 and the second connection plate 5222 is not specifically limited in the present application. The suction cup member 523 is disposed perpendicular to the upper surface of the timing belt 211.
The sucker elements 523 are slidably connected to the second connecting plate 5222, and each second connecting plate 5222 is provided with at least two sucker elements 523, so that the positions of the sucker elements 523 relative to the second connecting plate 5222 are adjusted, the device is suitable for products to be tested with different sizes, and the application range of the device is widened.
Optionally, referring to fig. 4, the blanking module 4 includes a qualified product blanking conveyer belt 41 and a defective product blanking conveyer belt 42, and the defective product blanking conveyer belt 42 is disposed on one side of the qualified product blanking conveyer belt 41 away from the helium detection module 3. The defective product blanking conveyor belt 42 is opposite to the direction of conveyance of the non-defective product blanking conveyor belt 41.
The transport direction of setting up defective products unloading conveyer belt 42 and certified products unloading conveyer belt 41 to opposite in this application, also be close to the discharge end of certified products unloading conveyer belt 41 with the feed end of defective products unloading conveyer belt 42, should set up and be convenient for distinguish defective products and certified products, effectively avoid the compounding.
After the product to be detected is subjected to the tightness test through the helium detecting module 3, the product qualified through the helium detecting module 3 is firstly placed on the qualified product blanking conveyer belt 41 through the carrying module 5 for transportation, and then the remaining defective products are moved to the defective product blanking conveyer belt 42 through the carrying module 5.
Because the defective products are fewer than the qualified products, the carrying module 5 moves to the position of the qualified product blanking conveyor belt 41 to carry out blanking on the qualified products, and then moves to the position of the defective product blanking conveyor belt 42 to carry out blanking on the defective products, so that the energy consumption of the carrying module 5 can be reduced, and the carrying efficiency can be improved.
Optionally, referring to fig. 4, the discharge end of the defective product blanking conveyor belt 42 is provided with an anti-falling baffle 6, and the anti-falling baffle 6 is configured to block the defective product on the surface of the defective product blanking conveyor belt 42.
The arrangement of the anti-falling baffle 6 is beneficial to enabling defective products falling on the defective product blanking conveying belt 42 to fall on the ground when the controller detects that the helium detection result is invalid.
Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.
Claims (10)
1. The helium mass spectrometer leak detector is characterized by comprising a rack (1) and a feeding module (2) arranged on the rack (1), wherein the feeding module (2) comprises:
the conveying assembly (21), the conveying assembly (21) comprises two synchronous belts (211), and the two synchronous belts (211) are arranged in parallel and at intervals;
the positioning assembly (22), the positioning assembly (22) is arranged at one end of the conveying assembly (21), the positioning assembly (22) comprises a variable pitch cylinder (221) and a photoelectric sensor (223), the variable pitch cylinder (221) is arranged between the two synchronous belts (211), and the variable pitch cylinder (221) is configured to block a product to be detected placed on the surfaces of the synchronous belts (211) on a conveying surface perpendicular to the synchronous belts (211); the photoelectric sensor (223) is configured to detect position information of the product to be inspected and to transmit the position information to the conveying assembly (21); the positioning assembly (22) is configured to equally space the products to be inspected.
2. The helium mass spectrometer leak detector according to claim 1, wherein the positioning assembly (22) further comprises a limiting member (222), the variable pitch cylinder (221) comprises a first cylinder (2211) and a second cylinder (2212) which are sequentially distributed along the direction of movement of the upper surface of the synchronous belt (211), the first cylinder (2211) is configured to block the products to be detected which are not separated in intervals, and the second cylinder (2212) is provided with a plurality of cylinders which are distributed at equal intervals;
the limiting pieces (222) correspond to the second air cylinders (2212) in a one-to-one mode and are arranged on the outer side of the synchronous belt (211), and the limiting pieces (222) are configured to limit a product to be detected in the direction parallel to the upper surface of the synchronous belt (211).
3. The helium mass spectrometer leak detector of claim 2, wherein the stop (222) comprises:
the side baffle (2221), the side baffle (2221) is arranged at one side of the synchronous belt (211) along the conveying direction;
spacing cylinder (2222), spacing cylinder (2222) set up in hold-in range (211) are along direction of delivery's opposite side, spacing cylinder (2222) be configured as with side shield (2221) cooperation is waited to examine the product and is carried out the centre gripping location.
4. The helium mass spectrometer leak detector according to claim 3, characterized in that the positioning assembly (22) further comprises an alignment cylinder (224), the alignment cylinder (224) and the spacing cylinder (2222) are located on the same side of the timing belt (211), and the alignment cylinder (224) and the spacing cylinder (2222) are sequentially distributed along the moving direction of the upper surface of the timing belt (211), the alignment cylinder (224) is configured to cooperate with the edge dam (2221) to align the product to be inspected in a blocking state of the first cylinder (2211).
5. The helium mass spectrometer leak detector of claim 1, wherein the transport assembly (21) further comprises a mounting plate (2121) and a threaded rod (2122);
two mounting plates (2121) are arranged, and each mounting plate (2121) is provided with one synchronous belt (211);
the threaded rod (2122) passes perpendicularly through the two mounting plates (2121), the threaded rod (2122) being configured to adjust a spacing between the two mounting plates (2121).
6. The helium mass spectrometer leak detector of claim 1, further comprising:
a helium testing module (3), the helium testing module (3) comprising a helium mass spectrometer and a plurality of helium testing dies, the plurality of helium testing dies being connected to the helium mass spectrometer, the helium testing dies comprising an upper die (31), a lower die (32) and a moving assembly (33), the moving assembly (33) being configured to move the lower die (32) from a first position to a second position such that the lower die (32) is directly below the upper die (31);
the device comprises a blanking module (4) and a carrying module (5), wherein the carrying module (5) comprises a guide rail (51) and a sucker component (52), the guide rail (51) stretches across the feeding module (2), the helium detection module (3) and the blanking module (4), the sucker component (52) is connected with the guide rail (51) in a sliding mode, and the sucker component (52) is configured to transport products to be detected among the feeding module (2), the helium detection module (3) and the blanking module (4);
the control module is configured to be electrically connected with the feeding module (2), the helium detection module (3), the discharging module (4) and the conveying module (5) and used for driving the feeding module (2), the helium detection module (3), the discharging module (4) and the conveying module (5) to act.
7. The helium mass spectrometer leak detector of claim 6, wherein the chuck assembly (52) comprises:
the driving cylinder (521) is arranged on the guide rail (51) and is in sliding connection with the guide rail (51);
the connecting element (522) comprises a first connecting plate (5221) and a second connecting plate (5222), the first connecting plate (5221) is connected with the piston rod of the driving cylinder (521), a plurality of second connecting plates (5222) are arranged, the second connecting plates (5222) are arranged on the first connecting plate (5221) at intervals, and the distribution positions of the second connecting plates (5222) are matched with the positioning assembly (22);
a sucker element (523), the sucker element (523) being connected with the piston of the driving cylinder (521) through the second connection plate (5222).
8. Helium mass spectrometer leak detector according to claim 7, characterized in that at least two sucker elements (523) are provided on each second connection plate (5222), the sucker elements (523) being in sliding connection with the second connection plate (5222).
9. The helium mass spectrometer leak detector according to claim 6, wherein the blanking module (4) comprises a qualified product blanking conveyor belt (41) and a defective product blanking conveyor belt (42), and the defective product blanking conveyor belt (42) and the qualified product blanking conveyor belt (41) are transported in opposite directions.
10. The helium mass spectrometer leak detector according to claim 9, wherein the discharge end of the defective product blanking conveyor belt (42) is provided with an anti-falling baffle (6), the anti-falling baffle (6) being configured to block defective products on the surface of the defective product blanking conveyor belt (42).
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| CN202111657137.0A CN114354085A (en) | 2021-12-30 | 2021-12-30 | Helium mass spectrometer leak detector |
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| CN202111657137.0A CN114354085A (en) | 2021-12-30 | 2021-12-30 | Helium mass spectrometer leak detector |
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