CN116944082A - Efficient detection device and method for cleanliness before packaging of microchannel plate - Google Patents
Efficient detection device and method for cleanliness before packaging of microchannel plate Download PDFInfo
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- CN116944082A CN116944082A CN202311204102.0A CN202311204102A CN116944082A CN 116944082 A CN116944082 A CN 116944082A CN 202311204102 A CN202311204102 A CN 202311204102A CN 116944082 A CN116944082 A CN 116944082A
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- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 230000003749 cleanliness Effects 0.000 title claims abstract description 59
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 108
- 230000007246 mechanism Effects 0.000 claims abstract description 100
- 239000000463 material Substances 0.000 claims abstract description 47
- 239000004744 fabric Substances 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a high-efficiency detection device and method for the cleanliness before packaging a microchannel plate, and relates to the technical field of detecting the cleanliness of the microchannel plate, wherein the high-efficiency detection device comprises a material ejection mechanism, a transfer mechanism and a dust detection mechanism which are arranged on a table top of a workbench in sequence from left to right, wherein the material ejection mechanism comprises a material cylinder fixedly arranged on the table top of the workbench and a material ejection cylinder fixedly arranged on the bottom surface of the workbench; the transferring mechanism comprises a stepping motor fixedly arranged on the table surface of the workbench, a main shaft fixedly arranged on an output shaft of the stepping motor, and a cantilever fixedly arranged at the top end of the main shaft, wherein an L plate extending below the cantilever is fixedly arranged at the left end part of the cantilever, and a material taking mechanism for grabbing the microchannel plate is arranged on the L plate; the dust detection mechanism comprises a bracket fixedly arranged on the table surface of the workbench and a double-acting air cylinder fixedly arranged on the left end face of the bracket. The beneficial effects of the invention are as follows: the detection time of the cleanliness of the micro-channel plate is shortened, the detection efficiency of the cleanliness of the micro-channel plate is greatly improved, and the automation degree is high.
Description
Technical Field
The invention relates to the technical field of detecting the cleanliness of a microchannel plate, in particular to a device and a method for efficiently detecting the cleanliness of the microchannel plate before packaging.
Background
ICMOS cameras are enhanced cameras that rely on a fiber optic light cone to directly couple a CMOS image sensor to an image intensifier. The ICMOS camera takes an image intensifier as a core, and realizes the gain of weak light signals by controlling the light-electricity-light-electricity conversion through pulse high voltage. The core component of the image intensifier is a micro-channel plate, the structure of the micro-channel plate is shown in fig. 1-2, a plurality of micro-holes are formed in the micro-channel plate, and weak electronic images can be converted into enhanced electronic images through the micro-holes.
When a plurality of micro-channel boards are produced in batch in a workshop, the micro-channel boards need to be packaged in a carrier tape so as to be convenient to convey to a customer. Before packaging, it is necessary to detect the cleanliness of each microchannel plate, that is, to detect whether dust remains in each microwell of the microchannel plate. The method for detecting the cleanliness of the microchannel plate in the workshop comprises the following steps: the worker horizontally places the microchannel plate 1 under the high power electronic magnifier, the high power electronic magnifier shoots a top projection image of the microchannel plate 1, amplifies the top projection image and transmits the amplified top projection image to a computer display screen, the worker observes whether residual dust exists in each micropore 2 of the microchannel plate 1 on the display screen, and if no impurity exists in all micropores 2, the worker indicates that the microchannel plate 1 is a qualified product, and the worker can package the qualified product; if impurities exist in one micro-hole 2, the micro-channel plate 1 is an unqualified product, and workers remove the unqualified product, so that the cleanliness of the micro-channel plate is detected; the operation is repeated in this way, so that the cleanliness of the plurality of micro-channel plates 1 is continuously detected.
However, although the method in the shop can detect the cleanliness of the microchannel plate 1, in actual operation, the following technical drawbacks still exist:
I. the number of the micropores 2 in the microchannel plate 1 is up to 50-60, and whether impurities exist in each micropore 2 or not is observed on the display screen one by using eyes manually, which clearly increases the detection time of the cleanliness of the microchannel plate 1, and further greatly reduces the detection efficiency of the cleanliness of the microchannel plate.
II. After the cleanliness of one microchannel plate is detected, qualified products are manually transferred to a packaging station, or unqualified products are manually removed, which clearly increases the detection time of the cleanliness of the subsequent microchannel plate and further reduces the detection efficiency of the cleanliness of the subsequent microchannel plate. Therefore, there is a need for a device and a method for shortening the detection time of the cleanliness of a micro-channel plate and greatly improving the detection efficiency of the cleanliness of the micro-channel plate.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the device and the method for efficiently detecting the cleanliness of the microchannel plate before packaging, which shorten the detection time of the cleanliness of the microchannel plate, greatly improve the detection efficiency of the cleanliness of the microchannel plate and have high automation degree.
The aim of the invention is achieved by the following technical scheme: the utility model provides a high-efficient detection device of cleanliness factor before microchannel plate encapsulation, it includes sets up on the workstation mesa and from left to right sets up liftout mechanism, transport mechanism and dust detection mechanism in order, liftout mechanism includes the feed cylinder that sets firmly on the workstation mesa, sets firmly on the workstation bottom surface liftout cylinder, the piston rod of liftout cylinder runs through the workstation and stretches into in the feed cylinder, the welding has the liftout board on the extension of piston rod, pile up in order on the top surface of liftout board a plurality of microchannel plates that cooperate, wait to detect with the feed cylinder inner wall;
the transferring mechanism comprises a stepping motor fixedly arranged on the table surface of the workbench, a main shaft fixedly arranged on an output shaft of the stepping motor, and a cantilever fixedly arranged at the top end of the main shaft, wherein an L plate extending below the cantilever is fixedly arranged at the left end part of the cantilever, and a material taking mechanism for grabbing the microchannel plate is arranged on the L plate;
the dust detection mechanism comprises a bracket fixedly arranged on the table surface of the workbench and a double-acting air cylinder fixedly arranged on the left end surface of the bracket, an upper lifting plate and a lower lifting plate are respectively fixedly arranged on an upper piston rod and a lower piston rod of the double-acting air cylinder, an air inlet pipe and an air outlet pipe are respectively fixedly arranged on the upper lifting plate and the lower lifting plate, a dust cover A communicated with the air inlet pipe is fixedly connected to the bottom end opening of the air inlet pipe, a pulse valve is connected to the top end opening of the air inlet pipe, and an air compressor is connected to the top end opening of the pulse valve; the top end opening of the air outlet pipe is connected with a dust cover B communicated with the air outlet pipe, the dust cover B is arranged under the dust cover A, the bottom end opening of the air outlet pipe is connected with a one-way valve, the bottom end opening of the one-way valve is detachably connected with a cloth bag, the top surface of the lower lifting plate is fixedly provided with a dust content detector, and a detection rod of the dust content detector extends into the air outlet pipe;
and a flat belt conveying mechanism I for conveying qualified products and a flat belt conveying mechanism II for conveying unqualified products are respectively arranged on the table surface of the workbench and positioned on the front side and the rear side of the stepping motor.
The bottom surface of the workbench is fixedly provided with a plurality of supporting legs which are supported on the ground.
The material taking mechanism comprises a lifting cylinder fixedly arranged on an L plate horizontal plate and a lifting plate arranged right below the L plate horizontal plate, wherein a piston rod of the lifting cylinder penetrates through the horizontal plate, the extending end of the piston rod is fixedly arranged on the lifting plate, a U-shaped groove is formed in the lifting plate, the U-shaped groove is positioned right above a charging barrel, a clamping cylinder is fixedly arranged on the top surface of the lifting plate and on the left side of the lifting plate, a push plate extending into the U-shaped groove is fixedly arranged at the acting end of the piston rod of the clamping cylinder, a clamping plate with an arc-shaped groove is fixedly arranged on the end face of the push plate, and the arc-shaped groove on the clamping plate is oppositely arranged with the bottom of the U-shaped groove.
The top end opening of the pulse valve is connected with a hose, the other end opening of the hose is connected with a working port of an air compressor, and the air compressor is fixedly arranged on the top surface of the bracket.
The bottom end opening of the one-way valve is connected with a pipeline, and a cloth bag is sleeved on the pipeline.
The right side wall of the air outlet pipe is provided with a radial hole, and a detection rod of the dust content detector penetrates through the radial hole and stretches into the air outlet pipe.
The flat belt conveying mechanism I and the flat belt conveying mechanism II are longitudinally arranged.
The detection device further comprises a controller, wherein the controller is electrically connected with the lifting cylinder, the clamping cylinder, the stepping motor, the ejection cylinder and the pulse valve through signal wires.
A method for efficiently detecting cleanliness before packaging a microchannel plate comprises the following steps:
s1, detecting the cleanliness of a first microchannel plate, wherein the specific operation steps are as follows:
s11, controlling a piston rod of a material ejection cylinder of the material ejection mechanism to extend upwards, driving a material ejection plate to move upwards by the piston rod, driving a micro-channel plate on the material ejection plate to move upwards by the material ejection plate, and controlling the material ejection cylinder to be closed by a controller after the piston rod extends upwards for a certain distance, so that the micro-channel plate positioned at the topmost layer in the material cylinder is ejected out of the material cylinder;
s12, clamping a microchannel plate: the piston rod of the lifting cylinder of the material taking mechanism is controlled to move downwards, the piston rod drives the lifting plate to move downwards, the lifting plate drives the clamping cylinder and the clamping plate to move downwards synchronously, the U-shaped groove of the lifting plate moves towards the direction of the micro-channel plate, and when the piston rod of the lifting cylinder extends completely, the ejected micro-channel plate just enters the U-shaped groove; then the piston rod of the clamping cylinder is controlled to extend rightwards, the piston rod drives the clamping plate to move rightwards, and after the piston rod of the clamping cylinder extends completely, the microchannel plate is clamped between the bottom of the U-shaped groove and the arc-shaped groove of the clamping plate;
s13, lifting a microchannel plate: the piston rod of the lifting cylinder is controlled to retract upwards, the piston rod drives the lifting plate to move upwards, the lifting plate drives the clamped micro-channel plate to move upwards, and after the piston rod of the lifting cylinder is completely retracted, the clamped micro-channel plate is lifted;
s14, controlling a stepping motor of the transfer mechanism to start, enabling the stepping motor to drive a main shaft to rotate, enabling the main shaft to drive a cantilever to rotate, enabling the cantilever to drive a material taking mechanism to rotate, enabling the material taking mechanism to drive a micro-channel plate to rotate, and controlling the stepping motor to be closed by a controller after the stepping motor rotates 180 degrees, wherein the micro-channel plate just enters a detection station of the dust detection mechanism, namely, the micro-channel plate just is positioned between a dust cover A and a dust cover B;
s15, controlling two piston rods of the double-acting cylinder to retract, wherein the piston rods drive the upper lifting plate to move downwards, the upper lifting plate drives the air inlet pipe to move downwards, the air inlet pipe drives the dust cover A to move downwards, the dust cover A moves towards the direction of the micro-channel plate, meanwhile, the lower lifting plate drives the air outlet pipe, the one-way valve, the cloth bag and the dust content detector to synchronously move upwards, the air outlet pipe also drives the dust cover B to synchronously move upwards, the dust cover B moves towards the direction of the micro-channel plate, and when the two piston rods of the double-acting cylinder are completely retracted, the bottom surface of the dust cover A contacts with the top surface of the micro-channel plate, and meanwhile, the bottom surface of the dust cover B contacts with the bottom surface of the micro-channel plate;
s16, controlling the air compressor and the pulse valve to start, enabling pressure gas generated by the air compressor to sequentially pass through a hose, the pulse valve, an air inlet pipe, a dust cover A, micropores in a microchannel plate, a dust cover B, an air outlet pipe, a one-way valve, a pipeline and a cloth bag, and finally discharging the pressure gas into the atmosphere through a filtering hole in the cloth bag, wherein after the air compressor runs for 1-2 seconds, the controller controls the air compressor to close;
in the process from opening to closing of the air compressor, if a detection rod of the dust content detector detects that dust is entrained in pressure gas flowing through an air outlet pipe, dust exists in micropores of the microchannel plate, and further the cleanliness of the microchannel plate is not satisfactory, namely the microchannel plate is an unqualified product, at the moment, the controller controls two piston rods of the double-acting air cylinder to extend out simultaneously, the dust cover A is separated from the unqualified product, and the dust cover B is separated from the unqualified product; after separation, the controller controls the stepping motor to start, the stepping motor drives the main shaft to rotate clockwise, the main shaft drives the material taking mechanism to rotate clockwise, the material taking mechanism drives the unqualified products to rotate simultaneously, after the unqualified products rotate to the position right above the flat belt conveying mechanism II, the controller controls the stepping motor to close, then controls the piston rod of the clamping cylinder to retract, the clamping plate does not clamp the unqualified products any more, at the moment, the unqualified products fall on the flat belt of the flat belt conveying mechanism II, and the flat belt conveys the unqualified products out, so that the unqualified products are automatically removed;
if the detection rod of the dust content detector detects that dust is not entrained in the pressure gas flowing through the gas outlet pipe, the fact that dust does not exist in micropores of the microchannel plate is further indicated, and cleanliness of the microchannel plate meets the requirement, namely the microchannel plate is qualified, at the moment, the controller controls two piston rods of the double-acting cylinder to extend out simultaneously, after the dust cover A and the dust cover B are separated from the microchannel plate, the controller controls the stepping motor to start, the stepping motor drives the main shaft to rotate anticlockwise, the main shaft drives the material taking mechanism to rotate anticlockwise, the material taking mechanism drives the qualified product to rotate simultaneously, after the qualified product rotates to the position right above the flat belt conveying mechanism I, the controller controls the stepping motor to close, then controls the piston rods of the clamping cylinders to retract, the qualified product falls on a flat belt of the flat belt conveying mechanism I, and the flat belt conveys the qualified product to a subsequent packaging station, so that automatic turnover of the qualified product is realized, and the cleanliness of the first microchannel plate is finally detected;
s2, repeating the operation of the step S1 for a plurality of times, and continuously taking out the microchannel plate in the charging barrel and conveying the microchannel plate to a cleanliness detection station.
The invention has the following advantages: the invention shortens the detection time of the cleanliness of the micro-channel plate, greatly improves the detection efficiency of the cleanliness of the micro-channel plate and has high automation degree.
Drawings
FIG. 1 is a schematic structural diagram of a microchannel plate;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic diagram of the main section of FIG. 3;
FIG. 5 is a top view of the dust detection mechanism of FIG. 4 with the dust detection mechanism removed;
FIG. 6 is a schematic structural view of a material ejection mechanism;
FIG. 7 is a schematic view of a transfer mechanism;
FIG. 8 is a schematic structural view of the take-off mechanism;
FIG. 9 is a schematic view in the direction A of FIG. 8;
FIG. 10 is a schematic view of the dust detection mechanism;
FIG. 11 is a schematic illustration of a ejector cylinder ejector microchannel plate of the ejector mechanism;
FIG. 12 is a schematic view of a microchannel plate entering a U-shaped slot;
FIG. 13 is a schematic diagram of a clamping microchannel plate;
FIG. 14 is an enlarged partial view of the portion I of FIG. 13;
FIG. 15 is a schematic view of a microchannel plate lifted;
FIG. 16 is a schematic illustration of a microchannel plate entering a detection station of the dust detection mechanism;
FIG. 17 is a schematic view of the double-acting cylinder with both piston rods fully retracted;
in the figure, a 1-microchannel plate, a 2-micropore, a 3-workbench, a 4-ejection mechanism, a 5-transfer mechanism, a 6-dust detection mechanism, a 7-feed cylinder, an 8-ejection cylinder, a 9-ejection plate, a 10-stepping motor, an 11-spindle, a 12-cantilever, a 13-L plate, a 14-ejection mechanism, a 15-bracket, a 16-double-acting cylinder, a 17-lifting plate, a 18-lower lifting plate, a 19-air inlet pipe, a 20-air outlet pipe, a 21-dust cover A, a 22-pulse valve, a 23-air compressor, a 24-dust cover B, a 25-one-way valve, a 26-cloth bag, a 27-dust content detector, a 28-detection rod, a 29-flat belt conveying mechanism I, a 30-flat belt conveying mechanism II, a 31-lifting cylinder, a 32-lifting plate, a 33-U-shaped groove, a 34-clamping cylinder, a 35-arc groove, a 36-clamping plate and a 37-hose.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
as shown in figures 3-10, the high-efficiency detection device for cleanliness before packaging a microchannel plate comprises a jacking mechanism 4, a transfer mechanism 5 and a dust detection mechanism 6 which are arranged on the table top of a workbench 3 and sequentially arranged from left to right, wherein a plurality of support legs supported on the ground are fixedly arranged on the bottom surface of the workbench 3, the jacking mechanism 4 comprises a charging barrel 7 fixedly arranged on the table top of the workbench 3, a jacking cylinder 8 fixedly arranged on the bottom surface of the workbench 3, a piston rod of the jacking cylinder 8 penetrates through the workbench 3 and stretches into the charging barrel 7, a jacking plate 9 is welded on the extending end of the piston rod, and a plurality of microchannel plates 1 matched with the inner wall of the charging barrel 7 and to be detected are sequentially stacked on the top surface of the jacking plate 9.
The transfer mechanism 5 comprises a stepping motor 10 fixedly arranged on the table surface of the workbench 3, a main shaft 11 fixedly arranged on an output shaft of the stepping motor 10, and a cantilever 12 fixedly arranged at the top end of the main shaft 11, wherein an L plate 13 extending below the cantilever 12 is fixedly arranged at the left end part of the cantilever 12, and a material taking mechanism 14 for grabbing the microchannel plate 1 is arranged on the L plate 13; the material taking mechanism 14 comprises a lifting cylinder 31 fixedly arranged on the horizontal plate of the L plate 13 and a lifting plate 32 arranged right below the horizontal plate of the L plate 13, a piston rod of the lifting cylinder 31 penetrates through the horizontal plate and extends to be fixedly arranged on the lifting plate 32, a U-shaped groove 33 is formed in the lifting plate 32, the U-shaped groove 33 is positioned right above the charging barrel 7, a clamping cylinder 34 is fixedly arranged on the top surface of the lifting plate 32 and on the left side of the lifting plate, a push plate stretching into the U-shaped groove 33 is fixedly arranged at the acting end of the piston rod of the clamping cylinder 34, a clamping plate 36 with an arc-shaped groove 35 is fixedly arranged on the end face of the push plate, and the arc-shaped groove 35 on the clamping plate 36 is oppositely arranged with the bottom of the U-shaped groove 33.
The dust detection mechanism 6 comprises a bracket 15 fixedly arranged on the surface of the workbench 3, and a double-acting air cylinder 16 fixedly arranged on the left end face of the bracket 15, wherein an upper lifting plate 17 and a lower lifting plate 18 are respectively fixedly arranged on upper and lower piston rods of the double-acting air cylinder 16, an air inlet pipe 19 and an air outlet pipe 20 are respectively fixedly arranged on the upper lifting plate 17 and the lower lifting plate 18, a dust cover A21 communicated with the air inlet pipe 19 is fixedly connected to the bottom end opening of the air inlet pipe 19, a pulse valve 22 is connected to the top end opening of the air inlet pipe 19, an air compressor 23 is connected to the top end opening of the pulse valve 22, a hose 37 is connected to the top end opening of the pulse valve 22, the other end opening of the hose 37 is connected to a working port of the air compressor 23, and the air compressor 23 is fixedly arranged on the top surface of the bracket 15; the top end opening of the air outlet pipe 20 is connected with a dust cover B24 communicated with the air outlet pipe, the dust cover B24 is arranged under the dust cover A21, the bottom end opening of the air outlet pipe 20 is connected with a one-way valve 25, the bottom end opening of the one-way valve 25 is detachably connected with a cloth bag 26, the bottom end opening of the one-way valve 25 is connected with a pipeline, the pipeline is sleeved with the cloth bag 26, the top surface of the lower lifting plate 18 is fixedly provided with a dust content detector 27, and a detection rod 28 of the dust content detector 27 extends into the air outlet pipe 20;
the table top of the workbench 3 and the front side and the rear side of the stepping motor 10 are respectively provided with a flat belt conveying mechanism I29 for conveying qualified products and a flat belt conveying mechanism II30 for conveying unqualified products, and the flat belt conveying mechanism I29 and the flat belt conveying mechanism II30 are longitudinally arranged.
The right side wall of the air outlet pipe 20 is provided with a radial hole, and a detection rod of the dust content detector 27 penetrates through the radial hole and extends into the air outlet pipe 20. The detection device further comprises a controller, the controller is electrically connected with the lifting cylinder 31, the clamping cylinder 34, the stepping motor 10, the ejection cylinder 8 and the pulse valve 22 through signal wires, the controller can control the pulse valve 22 and the stepping motor 10 to be started or closed, and meanwhile, the lifting cylinder 31, the clamping cylinder 34 and the ejection cylinder 8 can be controlled to extend or retract piston rods, so that the operation of workers is facilitated, and the detection device has the characteristic of high automation degree.
A method for efficiently detecting cleanliness before packaging a microchannel plate comprises the following steps:
s1, detecting the cleanliness of a first microchannel plate, wherein the specific operation steps are as follows:
s11, controlling a piston rod of a material ejection cylinder 8 of the material ejection mechanism 4 to extend upwards, driving a material ejection plate 9 to move upwards by the piston rod, driving a micro-channel plate 1 on the material ejection plate 9 to move upwards by the material ejection plate 9, and controlling the material ejection cylinder 8 to be closed by a controller after the piston rod extends upwards for a certain distance, wherein the micro-channel plate 1 positioned at the topmost layer in the material cylinder 7 is ejected out of the material cylinder 7 at the moment, as shown in fig. 11, and the structure of the micro-channel plate is shown in fig. 1-2;
s12, clamping the microchannel plate 1: the piston rod of the lifting cylinder 31 of the material taking mechanism 14 is controlled to move downwards, the piston rod drives the lifting plate 32 to move downwards, the lifting plate 32 drives the clamping cylinder 34 and the clamping plate 36 to move downwards synchronously, the U-shaped groove 33 of the lifting plate 32 moves towards the micro-channel plate 1, and when the piston rod of the lifting cylinder 31 extends completely, the ejected micro-channel plate 1 just enters the U-shaped groove 33, as shown in fig. 12; then, the piston rod of the clamping cylinder 34 is controlled to extend rightwards, the piston rod drives the clamping plate 36 to move rightwards, and after the piston rod of the clamping cylinder 34 extends completely, the microchannel plate 1 is clamped between the bottom of the U-shaped groove 33 and the arc-shaped groove 35 of the clamping plate 36, as shown in fig. 13-14;
s13, lifting the microchannel plate 1: the piston rod of the lifting cylinder 31 is controlled to retract upwards, the piston rod drives the lifting plate 32 to move upwards, the lifting plate 32 drives the clamped microchannel plate 1 to move upwards, and after the piston rod of the lifting cylinder 31 is completely retracted, the clamped microchannel plate 1 is lifted up, as shown in fig. 15;
s14, controlling a stepping motor 10 of the transfer mechanism 5 to start, wherein the stepping motor 10 drives a main shaft 11 to rotate, the main shaft 11 drives a cantilever 12 to rotate, the cantilever 12 drives a material taking mechanism 14 to rotate, the material taking mechanism 14 drives a micro-channel plate 1 to rotate, and when the stepping motor 10 rotates for 180 degrees, a controller controls the stepping motor 10 to be closed, and the micro-channel plate 1 just enters a detection station of the dust detection mechanism 6 at the moment, as shown in FIG. 16, namely, the micro-channel plate 1 just is positioned between a dust cover A21 and a dust cover B24;
s15, controlling two piston rods of the double-acting air cylinder 16 to retract, wherein the piston rods drive the lifting plate 17 to move downwards, the lifting plate 17 drives the air inlet pipe 19 to move downwards, the air inlet pipe 19 drives the dust cover A21 to move downwards, the dust cover A21 moves towards the micro-channel plate 1, meanwhile, the lower lifting plate 18 drives the air outlet pipe 20, the one-way valve 25, the cloth bag 26 and the dust content detector 27 to synchronously move upwards, the air outlet pipe 20 also drives the dust cover B24 to synchronously move upwards, the dust cover B24 moves towards the micro-channel plate 1, and after the two piston rods of the double-acting air cylinder 16 are completely retracted, as shown in FIG. 17, the bottom surface of the dust cover A21 contacts with the top surface of the micro-channel plate 1, and meanwhile, the bottom surface of the dust cover B24 contacts with the bottom surface of the micro-channel plate 1;
s16, controlling the air compressor 23 and the pulse valve 22 to start, enabling pressure gas generated by the air compressor 23 to sequentially pass through the hose 37, the pulse valve 22, the air inlet pipe 19, the dust cover A21, the micropores 2 in the microchannel plate 1, the dust cover B24, the air outlet pipe 20, the one-way valve 25, the pipeline and the cloth bag 26, and finally discharging the pressure gas from the filtering holes on the cloth bag 26 to the atmosphere, wherein the flowing direction of the pressure gas is shown by an arrow in FIG. 17, and after the air compressor 23 runs for 1-2 seconds, controlling the air compressor 23 to close by the controller;
in the process from opening to closing of the air compressor 23, if the detection rod 28 of the dust content detector 27 detects that dust is entrained in the pressure gas flowing through the air outlet pipe 20, the existence of the dust in the micropores 2 of the microchannel plate 1 is indicated, and further the cleanliness of the microchannel plate 1 is indicated to be unsatisfactory, namely, the microchannel plate 1 is a defective product, at the moment, the controller controls the two piston rods of the double-acting air cylinder 16 to extend simultaneously, the dust cover A21 is separated from the defective product, and the dust cover B24 is separated from the defective product; after separation, the controller controls the stepping motor 10 to start, the stepping motor 10 drives the main shaft 11 to rotate clockwise, the main shaft 11 drives the material taking mechanism 14 to rotate clockwise, the material taking mechanism 14 drives the unqualified products to rotate simultaneously, after the unqualified products rotate to the position right above the flat belt conveying mechanism II30, the controller controls the stepping motor 10 to close, then controls the piston rod of the clamping cylinder 34 to retract, the clamping plate 36 does not clamp the unqualified products any more, at the moment, the unqualified products fall on the flat belt of the flat belt conveying mechanism II30, and the flat belt conveys the unqualified products, so that the automatic rejection of the unqualified products is realized;
if the detecting rod 28 of the dust content detector 27 detects that dust is not entrained in the pressure gas flowing through the gas outlet pipe 20, it indicates that dust does not exist in the micropores 2 of the microchannel plate 1, and further indicates that the cleanliness of the microchannel plate 1 meets the requirement, namely, the microchannel plate 1 is qualified, at the moment, the controller controls two piston rods of the double-acting air cylinder 16 to extend out simultaneously, when the dust cover A21 and the dust cover B24 are separated from the microchannel plate 1, the controller controls the stepping motor 10 to start, the stepping motor 10 drives the main shaft 11 to rotate anticlockwise, the main shaft 11 drives the material taking mechanism 14 to rotate anticlockwise, the material taking mechanism 14 drives the qualified product to rotate simultaneously, after the qualified product rotates to the position right above the flat belt conveying mechanism I29, the controller controls the stepping motor 10 to be closed, then controls the piston rod of the clamping air cylinder 34 to retract, the qualified product drops on the flat belt of the flat belt conveying mechanism I29, and the flat belt conveys the qualified product to a subsequent packaging station, thereby realizing automatic turnover of the qualified product, and finally realizing detection of the cleanliness of the first microchannel plate 1;
s2, repeating the operation of the step S1 for a plurality of times, and continuously taking out the microchannel plate 1 in the charging barrel 7 and conveying the microchannel plate to a cleanliness detection station.
As can be seen from step S16, the present detection device firstly enables a certain amount of pressure gas to act on the microchannel plate 1 by starting the air compressor 23 and the pulse valve 22, and then detects whether dust flows through the air outlet pipe 20 by the detection rod 28 of the dust content detector 27, thereby judging whether dust remains in the micropores 2 of the detected microchannel plate 1, and further detecting the cleanliness of the microchannel plate 1. Therefore, compared with the detection device adopting the high-power electronic magnifier to detect the cleanliness of the microchannel plate 1, the detection device does not need to manually observe whether impurities exist in each micropore 2 one by one on the display screen, so that the detection time of the cleanliness of the microchannel plate 1 is greatly shortened, and the detection efficiency of the cleanliness of the microchannel plate is greatly improved.
In addition, in step S16, the present inspection apparatus can reject the defective product onto the flat belt of the flat belt conveying mechanism II30 or transfer the defective product to the next packaging station via the flat belt conveying mechanism I29 by controlling the stepper motor 10 clockwise or counterclockwise. Therefore, the detection device does not need to manually remove unqualified products or manually transfer the qualified products to the packaging station, so that the detection time for the cleanliness of the subsequent microchannel plate 1 is greatly shortened, and the detection efficiency for the cleanliness of the subsequent microchannel plate 1 is further improved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a high-efficient detection device of cleanliness factor before microchannel board encapsulation which characterized in that: the automatic feeding device comprises a feeding mechanism (4), a transferring mechanism (5) and a dust detection mechanism (6) which are arranged on the table top of a workbench (3) and sequentially arranged from left to right, wherein the feeding mechanism (4) comprises a charging barrel (7) fixedly arranged on the table top of the workbench (3) and a feeding cylinder (8) fixedly arranged on the bottom surface of the workbench (3), a piston rod of the feeding cylinder (8) penetrates through the workbench (3) and stretches into the charging barrel (7), a feeding plate (9) is welded at the extending end of the piston rod, and a plurality of micro-channel plates (1) matched with the inner wall of the charging barrel (7) and to be detected are sequentially stacked on the top surface of the feeding plate (9);
the transfer mechanism (5) comprises a stepping motor (10) fixedly arranged on the table top of the workbench (3), a main shaft (11) fixedly arranged on the output shaft of the stepping motor (10), and a cantilever (12) fixedly arranged at the top end of the main shaft (11), wherein an L plate (13) extending below the cantilever (12) is fixedly arranged at the left end part of the cantilever (12), and a material taking mechanism (14) for grabbing the microchannel plate (1) is arranged on the L plate (13);
the dust detection mechanism (6) comprises a bracket (15) fixedly arranged on the table top of the workbench (3), a double-acting air cylinder (16) fixedly arranged on the left end face of the bracket (15), an upper lifting plate (17) and a lower lifting plate (18) are respectively fixedly arranged on an upper piston rod and a lower piston rod of the double-acting air cylinder (16), an air inlet pipe (19) and an air outlet pipe (20) are respectively fixedly arranged on the upper lifting plate (17) and the lower lifting plate (18), a dust cover A (21) communicated with the air inlet pipe (19) is fixedly connected to the bottom end opening of the air inlet pipe (19), a pulse valve (22) is connected to the top end opening of the air inlet pipe (19), and an air compressor (23) is connected to the top end opening of the pulse valve (22); the top end opening of the air outlet pipe (20) is connected with a dust cover B (24) communicated with the air outlet pipe, the dust cover B (24) is arranged right below the dust cover A (21), the bottom end opening of the air outlet pipe (20) is connected with a one-way valve (25), the bottom end opening of the one-way valve (25) is detachably connected with a cloth bag (26), the top surface of the lower lifting plate (18) is fixedly provided with a dust content detector (27), and a detection rod (28) of the dust content detector (27) extends into the air outlet pipe (20);
a flat belt conveying mechanism I (29) for conveying qualified products and a flat belt conveying mechanism II (30) for conveying unqualified products are respectively arranged on the table top of the workbench (3) and positioned on the front side and the rear side of the stepping motor (10).
2. The microchannel plate pre-package cleanliness high-efficiency detection device according to claim 1, wherein: the bottom surface of the workbench (3) is fixedly provided with a plurality of supporting legs which are supported on the ground.
3. The microchannel plate pre-package cleanliness high-efficiency detection device according to claim 2, wherein: the material taking mechanism comprises a lifting cylinder (31) fixedly arranged on a horizontal plate of an L plate (13), and a lifting plate (32) arranged under the horizontal plate of the L plate (13), wherein a piston rod of the lifting cylinder (31) penetrates through the horizontal plate to be arranged, and extends to be fixedly arranged on the lifting plate (32), a U-shaped groove (33) is formed in the lifting plate (32), the U-shaped groove (33) is arranged right above a charging barrel (7), a clamping cylinder (34) is fixedly arranged on the top surface of the lifting plate (32) and on the left side of the lifting plate, a pushing plate stretching into the U-shaped groove (33) is fixedly arranged at the action end of the piston rod of the clamping cylinder (34), a clamping plate (36) with an arc-shaped groove (35) is fixedly arranged on the end face of the pushing plate, and the arc-shaped groove (35) on the clamping plate (36) is oppositely arranged with the groove bottom of the U-shaped groove (33).
4. The microchannel plate pre-package cleanliness high-efficiency detection device according to claim 3, wherein: the top end opening of the pulse valve (22) is connected with a hose (37), the other end opening of the hose (37) is connected with a working port of the air compressor (23), and the air compressor (23) is fixedly arranged on the top surface of the bracket (15).
5. The microchannel plate pre-package cleanliness high-efficiency detection device as claimed in claim 4, wherein: the bottom end opening of the one-way valve (25) is connected with a pipeline, and a cloth bag (26) is sleeved on the pipeline.
6. The microchannel plate pre-package cleanliness high-efficiency detection device according to claim 5, wherein: the right side wall of the air outlet pipe (20) is provided with a radial hole, and a detection rod of the dust content detector (27) penetrates through the radial hole and stretches into the air outlet pipe (20).
7. The microchannel plate pre-package cleanliness high-efficiency detection device as defined in claim 6, wherein: the flat belt conveying mechanism I (29) and the flat belt conveying mechanism II (30) are longitudinally arranged.
8. The microchannel plate pre-package cleanliness high-efficiency detection device as claimed in claim 7, wherein: the detection device further comprises a controller, wherein the controller is electrically connected with the lifting cylinder (31), the clamping cylinder (34), the stepping motor (10), the ejection cylinder (8) and the pulse valve (22) through signal wires.
9. The method for efficiently detecting the cleanliness before the packaging of the micro-channel plate is characterized by adopting the efficient detecting device for the cleanliness before the packaging of the micro-channel plate, which is characterized in that: it comprises the following steps:
s1, detecting the cleanliness of a first microchannel plate, wherein the specific operation steps are as follows:
s11, controlling a piston rod of a jacking cylinder (8) of a jacking mechanism (4) to extend upwards, driving a jacking plate (9) to move upwards by the piston rod, driving a micro-channel plate (1) on the jacking plate (9) to move upwards, and controlling the jacking cylinder (8) to be closed by a controller after the piston rod extends upwards for a certain distance, so that the micro-channel plate (1) positioned at the topmost layer in the charging barrel (7) is ejected out of the charging barrel (7);
s12, clamping a microchannel plate (1): the piston rod of a lifting cylinder (31) of the material taking mechanism (14) is controlled to move downwards, the piston rod drives a lifting plate (32) to move downwards, the lifting plate (32) drives a clamping cylinder (34) and a clamping plate (36) to move downwards synchronously, a U-shaped groove (33) of the lifting plate (32) moves towards the direction of the micro-channel plate (1), and when the piston rod of the lifting cylinder (31) extends completely, the ejected micro-channel plate (1) just enters the U-shaped groove (33); then the piston rod of the clamping cylinder (34) is controlled to extend rightwards, the piston rod drives the clamping plate (36) to move rightwards, and after the piston rod of the clamping cylinder (34) extends completely, the microchannel plate (1) is clamped between the bottom of the U-shaped groove (33) and the arc-shaped groove (35) of the clamping plate (36);
s13, lifting the microchannel plate (1): the piston rod of the lifting cylinder (31) is controlled to retract upwards, the piston rod drives the lifting plate (32) to move upwards, the lifting plate (32) drives the clamped micro-channel plate (1) to move upwards, and after the piston rod of the lifting cylinder (31) is completely retracted, the clamped micro-channel plate (1) is lifted;
s14, controlling a stepping motor (10) of the transfer mechanism (5) to start, enabling the stepping motor (10) to drive a main shaft (11) to rotate, enabling the main shaft (11) to drive a cantilever (12) to rotate, enabling the cantilever (12) to drive a material taking mechanism (14) to rotate, enabling the material taking mechanism (14) to drive a micro-channel plate (1) to rotate, and enabling the controller to control the stepping motor (10) to be closed after the stepping motor (10) rotates by 180 degrees, wherein the micro-channel plate (1) just enters a detection station of the dust detection mechanism (6) at the moment, namely, the micro-channel plate (1) is just positioned between a dust cover A (21) and a dust cover B (24);
s15, controlling two piston rods of a double-acting cylinder (16) to retract, wherein the piston rods drive an upper lifting plate (17) to move downwards, the upper lifting plate (17) drives an air inlet pipe (19) to move downwards, the air inlet pipe (19) drives a dust cover A (21) to move downwards, the dust cover A (21) moves towards a microchannel plate (1), meanwhile, the lower lifting plate (18) drives an air outlet pipe (20), a check valve (25), a cloth bag (26) and a dust content detector (27) to move upwards synchronously, the air outlet pipe (20) also drives a dust cover B (24) to move upwards synchronously, the dust cover B (24) moves towards the microchannel plate (1), and when the two piston rods of the double-acting cylinder (16) are completely retracted, the bottom surface of the dust cover A (21) is contacted with the top surface of the microchannel plate (1), and meanwhile, the bottom surface of the dust cover B (24) is contacted with the bottom surface of the microchannel plate (1).
S16, controlling the air compressor (23) and the pulse valve (22) to start, enabling pressure gas generated by the air compressor (23) to sequentially pass through a hose (37), the pulse valve (22), an air inlet pipe (19), a dust cover A (21), micropores (2) in the microchannel plate (1), a dust cover B (24), an air outlet pipe (20), a one-way valve (25), a pipeline and a cloth bag (26), and finally discharging the pressure gas into the atmosphere through a filtering hole on the cloth bag (26), wherein after the air compressor (23) runs for 1-2 seconds, the controller controls the air compressor (23) to be closed;
in the process from opening to closing of the air compressor (23), if a detection rod (28) of a dust content detector (27) detects dust entrained in pressure gas flowing through an air outlet pipe (20), the dust exists in micropores (2) of the microchannel plate (1), and further the fact that the cleanliness of the microchannel plate (1) is not satisfactory is further indicated, namely the microchannel plate (1) is an unqualified product, at the moment, the controller controls two piston rods of the double-acting air cylinder (16) to extend simultaneously, a dust cover A (21) is separated from the unqualified product, and a dust cover B (24) is separated from the unqualified product; after separation, the controller controls the stepping motor (10) to start, the stepping motor (10) drives the main shaft (11) to rotate clockwise, the main shaft (11) drives the material taking mechanism (14) to rotate clockwise, the material taking mechanism (14) drives the unqualified products to rotate simultaneously, after the unqualified products rotate to the position right above the flat belt conveying mechanism II (30), the controller controls the stepping motor (10) to be closed, then controls the piston rod of the clamping cylinder (34) to retract, the clamping plate (36) does not clamp the unqualified products any more, at the moment, the unqualified products fall on the flat belt of the flat belt conveying mechanism II (30), and the flat belt conveys the unqualified products out, so that the unqualified products are automatically removed;
if the detection rod (28) of the dust content detector (27) detects that dust is not entrained in the pressure gas flowing through the gas outlet pipe (20), the fact that dust does not exist in the micropores (2) of the microchannel plate (1) is described, and further the fact that the cleanliness of the microchannel plate (1) meets the requirements is described, namely, the microchannel plate (1) is qualified, at the moment, the controller controls two piston rods of the double-acting air cylinder (16) to extend out simultaneously, after the dust cover A (21) and the dust cover B (24) are separated from the microchannel plate (1), the controller controls the stepping motor (10) to start, the stepping motor (10) drives the spindle (11) to rotate anticlockwise, the spindle (11) drives the taking mechanism (14) to rotate anticlockwise, the taking mechanism (14) drives the qualified products to rotate simultaneously, after the qualified products rotate to the right above the flat belt conveying mechanism I (29), the controller controls the stepping motor (10) to be closed, and then controls the piston rods of the clamping air cylinder (34) to retract, and the qualified products drop on the flat belt of the flat belt conveying mechanism I (29), and the flat belt automatically conveys qualified products to the subsequent qualified products to a subsequent packaging station (1), and the qualified products are automatically packaged and finally, and the qualified products are detected by the qualified products are achieved, and the qualified quality turnover plate is achieved, and the qualified quality is achieved;
s2, repeating the operation of the step S1 for a plurality of times, and continuously taking out the microchannel plate (1) in the charging barrel (7) and conveying the microchannel plate to a cleanliness detection station.
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