CN110790063B - Nondestructive paper feeding device and method for certificate making machine - Google Patents

Nondestructive paper feeding device and method for certificate making machine Download PDF

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Publication number
CN110790063B
CN110790063B CN201911071993.0A CN201911071993A CN110790063B CN 110790063 B CN110790063 B CN 110790063B CN 201911071993 A CN201911071993 A CN 201911071993A CN 110790063 B CN110790063 B CN 110790063B
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China
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blank
blank certificate
main controller
core
sucker
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CN201911071993.0A
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CN110790063A (en
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苏学武
水军
赵坚杰
赵兴华
周文强
罗云
刘军
李慧
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Zhuhai Xindehui Information Technology Co ltd
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Zhuhai Xindehui Information Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/24Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/241Suction devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H43/00Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable

Abstract

The invention discloses a nondestructive paper feeding device and a nondestructive paper feeding method for a certificate making machine, which comprise a main controller, a sorting manipulator and a sucker; a supporting frame body and a blank card core stacking platform are arranged below the sucker, a high-pressure air blowing mechanism is arranged on one side of the supporting frame body, and the controlled end of the high-pressure air blowing mechanism is connected to the output end of the main controller; the sucking disc intercommunication is provided with sucking disc control system, and sucking disc control system's controlled end is connected in main control unit's output. The automatic paper sorting machine is wide in range of raw materials suitable for sorted certificates, a high-pressure air blowing mechanism is arranged on one side of the supporting frame body, a separated separation state is formed among a plurality of blank certificate cores on the top of the stacked blank certificate cores, and therefore only one blank certificate core can be sucked when the sorting manipulator drives the sucking disc to act, the sucked blank certificate cores cannot collide, bending is avoided, safe sorting of the blank certificate cores is achieved, and completeness of certificates after certificate making is guaranteed.

Description

Nondestructive paper feeding device and method for certificate making machine
Technical Field
The invention relates to the technical field of electronic public security certificate making, in particular to a nondestructive paper feeding device and a nondestructive paper feeding method for a certificate making machine.
Background
Along with the improvement of living standard and the acceleration of life rhythm of people, the demand of people on the card-type certificates is increased year by year, such as residence certificates, temporary identity cards, driving licenses and the like. Along with the society rhythm becoming faster and faster, the demand of the masses on the timeliness of the certificate-taking is gradually rising, in order to meet the demand that the masses can take the certificate in time, the national public security institutions are also continuously improving the certificate-making efficiency, and part of the provincial public security institutions in the city start the technical practice and application attempt of full-automatic mass self-help certificate-making, and complete the automatic certificate-making through a special certificate-making machine.
The certificate making raw materials generally comprise a blank certificate core, an anti-counterfeiting film, a leather sheath and the like. The certificate making raw materials have the following characteristics: 1) the materials of the certificate making raw materials are different; 2) the sizes of the certificate making raw materials are different; 3) the blank certificate core as an important certificate making raw material is often manufactured by various anti-counterfeiting technologies, and the blank certificate core cannot be easily damaged in the certificate making process because of legal attributes of the certificate.
Thus, in order to achieve complete production of the document, the integrity of the core of the security document needs to be ensured without the core of the security document being damaged. The existing full-automatic mass self-service certificate making equipment cannot ensure that blank certificate cores sorted at each time are complete, and when the blank certificate cores collide with peripheral equipment, the blank certificate cores are easily bent, so that the integrity of the certificates is greatly influenced.
Disclosure of Invention
The invention provides a nondestructive paper feeding device and a nondestructive paper feeding method for a certificate making machine, which solve the problem that the existing full-automatic mass self-service certificate making equipment cannot ensure the integrity of blank certificate cores sorted each time, realize the safe sorting of the blank certificate cores and ensure the integrity of certificates after certificate making.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A nondestructive paper feeding device of a certificate making machine comprises a main controller used for controlling the whole operation of the device, a sorting mechanical arm used for moving under the control of the main controller, and a sucker arranged at the bottom end of the sorting mechanical arm and used for adsorbing blank certificate cores, wherein the controlled end of the sorting mechanical arm is connected to the output end of the main controller; a supporting frame body used for containing the blank certificate cores stacked up and down and limiting the peripheries of the blank certificate cores and a blank certificate core stacking platform arranged in the supporting frame body and used for limiting the bottoms of the blank certificate cores are arranged below the suckers, one side of the supporting frame body is provided with a high-pressure air blowing mechanism used for blowing horizontal high-pressure air into the space between the stacked blank certificate cores so as to form a separated state between a plurality of blank certificate cores at the top, the bottom of the supporting frame body is provided with a jacking mechanism used for jacking the stacked blank certificate cores and the blank certificate core stacking platform to meet the requirement that a plurality of blank certificate cores at the top can be blown up in the adsorption process, and the controlled ends of the jacking mechanism and the high-pressure air blowing mechanism are connected to the output end of the main controller respectively; the sucking disc intercommunication is provided with the sucking disc control system who is used for controlling the sucking disc whether to adsorb the action, and sucking disc control system's controlled end is connected in main control unit's output.
Further optimize technical scheme, high pressure blower constructs including seting up the mouth of blowing on the carriage lateral wall, being connected with the mouth of blowing and being used for blowing in the blowing pipeline of high-pressure wind and setting up the high-pressure air supply at the blowing pipeline end to the mouth of blowing, is provided with the solenoid valve an that is used for controlling the pipeline break-make that blows on the blowing pipeline, and the controlled end of solenoid valve a is connected in main control unit's output.
According to the technical scheme, the sucker control system comprises a first connecting air path communicated with a sucker, a second connecting air path communicated with the first connecting air path, an electromagnetic valve b arranged between the first connecting air path and the second connecting air path and used for controlling the connection and disconnection between the first connecting air path and the second connecting air path, and a vacuum pump arranged at the tail end of the second connecting air path and used for sucking air in the sucker to ensure that the sucker adsorbs a blank certificate core, wherein controlled ends of the electromagnetic valve b and the vacuum pump are respectively connected to the output end of a main controller; the vacuum pump is connected to the gas transmission end of the high-pressure gas source through a pipeline, the pipeline is provided with a solenoid valve c for controlling the on-off of the pipeline, the controlled end of the solenoid valve c is connected to the output end of the main controller, and the high-pressure gas source is used for blowing gas to the second connecting gas circuit, the first connecting gas circuit and the inside of the sucker to ensure that the sucker releases a blank certificate core.
Further optimize technical scheme, be provided with on the first connecting gas way and be used for absorbing the blank waste residue and the wastepaper that exist on the card core and carry out filterable first filter to the sucking disc.
Further optimize technical scheme, be provided with the baroceptor that is used for detecting the sucking disc internal pressure in order to judge whether the sucking disc inhales blank card core on the second connection gas circuit between solenoid valve b and the vacuum pump, baroceptor's signal output part connects in main control unit's input.
Further optimize technical scheme, solenoid valve b is two-position three way solenoid valve, and two-position three way solenoid valve is including being used for making first connection gas circuit and second connect the one-bit that the gas circuit is linked together and being used for making second connection gas circuit communicate in the two-bit of third connection gas circuit when losing the electricity when getting electric, and the end of third connection gas circuit is provided with the second filter.
Further optimize technical scheme, the exit slot department of braced frame connects and is provided with the distance-detecting device who is used for the blank card core position in real time detection topmost, and distance-detecting device includes the range finding module, and the output of range finding module is connected in main control unit's output.
A nondestructive paper feeding method of a certificate making machine is carried out based on a nondestructive paper feeding device of the certificate making machine and comprises the following specific steps:
s1, setting a pressure value P1 of the blank card core adsorbed by the suction disc in the main controller, a vertical distance H of the suction disc from the highest point downwards, and a vertical distance H of the suction disc capable of adsorbing the blank card core in the space2Vertical design distance H from ranging module to highest position of sucker1The vertical distance K between the distance measuring module and the air blowing port;
s2, stacking the blank certificate cores on a blank certificate core stacking platform in a supporting frame of the area to be sorted, limiting the periphery and the bottom of the stacked blank certificate cores by the supporting frame, and limiting the bottom of the stacked blank certificate cores by the blank certificate core stacking platform, wherein the blank certificate cores cannot be clamped when leaving the area to be sorted;
s3, arranging an air blowing port on the side surface of the supporting frame body at the highest position of the blank certificate core to be sorted, and communicating the air blowing port with a high-pressure air source through an air blowing pipeline; blowing air to the air blowing port by a high-pressure air source to ensure that air cushions are generated among a plurality of blank certificate cores on the top of the stacked blank certificate cores to form an isolated separation state;
the distance measurement module detects the vertical distance H between the distance measurement module and the topmost blank certificate core in real time0When empty, the core stacking height is lower thanOr when the height of the air blowing port is higher than that of the air blowing port, the height is measured by the distance measuring module and then fed back to the main controller, and the main controller controls the jacking mechanism to adjust the height of the blank certificate core;
s4, blowing the topmost blank certificate core by the action of the air blowing port, so that a vacuum layer between the topmost blank certificate core and the blank certificate core below the topmost blank certificate core is damaged, and the condition that only one blank certificate core can be adsorbed when the sucker adsorbs the blank certificate core is guaranteed;
s5, the main controller controls the action of the vacuum pump, the main controller controls one position of the electromagnetic valve b to be electrified, the vacuum pump sucks air in the sucker through the first connecting air path and the second connecting air path, and the sucker sucks the blank card core positioned at the topmost end;
s6, the main controller controls the sorting manipulator to move to the upper part of the area to be sorted, the downward movement distance of the sorting manipulator controlled by the main controller is the downward probing vertical distance H of the suction cup from the highest point, and H = H1+H0-H2
S7, acquiring information whether the suction disc sucks the blank certificate core through the air pressure sensor and feeding the information back to the main controller, wherein after the suction disc sucks the blank certificate core, the main controller controls the sorting manipulator to lift up, and the main controller controls the high-pressure blowing mechanism to stop blowing air;
s8, the main controller controls the sorting manipulator to drive the sucked blank certificate core to move to a sorting target area;
s9, the main controller controls the solenoid valve c to be powered on, the high-pressure air source blows air, the sucking disc releases the blank certificate core, the main controller controls the solenoid valve b to be powered off, and the air blown out by the high-pressure air source enters the atmosphere through the pipeline, the second connecting air path, the third connecting air path and the second filter in sequence;
at the moment, the high-pressure air blowing mechanism does not output high-pressure air, the distance measurement module measures the distance of the blank certificate core to be sorted when the blank certificate core is still ready, and the vertical distance H between the distance measurement module and the topmost blank certificate core is measured3And fed back to the master controller, the master controller pair H3Judging and comparing with K;
the main controller controls the jacking mechanism to adjust the height of the blank certificate core stacking platform so as to ensure that the heights of a plurality of blank certificate cores on the top are higher than the air blowing port;
in step S6, the air pressure sensor disposed on the second connecting air path detects the pressure condition in the suction cup in real time and feeds back the detection signal to the main controller; when it is detected that the pressure value P2 in the suction cup is greater than the pressure value P1 set in the main controller, the operation of step S6 is performed.
In step S6, the suction cup is an anti-static suction cup, and the suction volume of the suction cup is greater than 30L/Min.
In step S6, the vacuum pressure in the suction cup when the suction cup sucks up the blank certificate core is greater than 90 Kpa.
Due to the adoption of the technical scheme, the technical progress of the invention is as follows.
The automatic paper sorting machine is wide in range of raw materials suitable for sorted certificates, a high-pressure air blowing mechanism is arranged on one side of the supporting frame body, a separated separation state is formed among a plurality of blank certificate cores on the top of the stacked blank certificate cores, and therefore only one blank certificate core can be sucked when the sorting manipulator drives the sucking disc to act, the sucked blank certificate cores cannot collide, bending is avoided, safe sorting of the blank certificate cores is achieved, and completeness of certificates after certificate making is guaranteed.
According to the invention, the electromagnetic valve a on the blowing pipeline is controlled to be electrified by the main controller, and then the high-pressure air source blows air to the blowing port to ensure that air cushions are generated among a plurality of blank certificate cores on the top of the stacked blank certificate cores, so that an isolated separation state is formed.
According to the invention, the distance from the sucker to the top of the blank card core to be sucked is obtained through the distance measuring module, and the suction heights of the blank card cores are ensured to be consistent each time, so that the situation that the blank card core is sucked flatly due to too short distance or is not sucked due to too long suction distance is avoided.
According to the invention, the first filter arranged on the first connecting gas path can filter the waste residues and paper scraps on the blank card core absorbed by the sucker, so that the situation that the first connecting gas path and the second connecting gas path are blocked by the waste residues and the paper scraps is effectively prevented; the second filter arranged at the end of the third connecting gas path can also prevent the situation that the third connecting gas path and the second connecting gas path are blocked by waste residues and paper scraps.
The air pressure sensor arranged on the second connecting air path can detect the pressure in the sucker and feed back the information to the main controller, and the main controller compares the pressure information with a set pressure value, so that the main controller can conveniently perform the next action on the sorting manipulator, and the intelligent degree is very high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the chuck control system according to the present invention.
Wherein: 1. blank certificate core; 2. a high-pressure air blowing mechanism 21 and an air blowing opening; 3. a sorting manipulator; 4. a suction cup; 5. the vacuum cup control system comprises a suction cup control system 51, a vacuum pump 52, a first connecting air path 53, an air pressure sensor 54, electromagnetic valves b and 55, a first filter 56, a second filter 57, a second connecting air path 58 and a third connecting air path; 6. a distance detection device 61 and a distance measurement module; 7. a support frame body; 8. jacking mechanism, 81, elevator motor, 82, blank card core stacking platform.
Detailed Description
The invention will be described in further detail below with reference to the figures and specific examples.
A nondestructive paper feeding device of a certificate making machine is shown in a combined figure 1-2 and comprises a main controller, a sorting mechanical arm 3, a sucker 4, a supporting frame body 7, a blank certificate core stacking platform 82, a high-pressure blowing mechanism 2, a jacking mechanism 8 and a sucker control system 5.
The main controller is used for controlling the overall operation of the device, and the main controller adopts a PLC programmable controller.
The sorting mechanical arm 3 is used for moving under the control of a main controller, can move forwards, backwards, leftwards, rightwards, upwards and downwards under the control of the main controller, and the controlled end of the sorting mechanical arm 3 is connected to the output end of the main controller.
The sucking disc 4 sets up in 3 bottoms of letter sorting manipulator for adsorb blank card core 1. The inside of the sucker 4 is provided with a vacuum cavity, and the adsorption surface at the lower end of the sucker 4 is provided with a plurality of air suction holes communicated with the vacuum cavity.
The below of sucking disc 4 is provided with braced frame body 7, and braced frame body 7 is used for the blank card core 1 of piling up together about the splendid attire to restrict around blank card core 1. The braced frame body 7 includes the horizontal plate and encloses and establish at horizontal plate front side, rear side and left vertical baffle, and the fixed frame that is provided with in middle part of horizontal plate, and the vertical baffle and the left vertical baffle of the vertical baffle rear side of frame and front side enclose jointly and establish around the horizontal plate, and 1 level of blank card core is placed in braced frame body 7, and blank card core 1 does not touch with vertical baffle all around mutually.
A blank certificate core stacking platform 82 is arranged in the supporting frame body 7 and used for limiting the bottom of the blank certificate core 1. The horizontal cross-section of the blank certificate core stacking platform 82 is larger than the area of the blank certificate core 1 to ensure that the blank certificate core 1 is well supported.
One side of braced frame 7 is provided with high-pressure blower mechanism 2, and high-pressure blower mechanism 2 is used for blowing in horizontal direction high-pressure wind to between the blank card core 1 that piles up to form the separation off-state between the many blank card cores 1 in top. The controlled end of the high-pressure blowing mechanism 2 is connected with the output end of the main controller.
The high-pressure blowing mechanism 2 comprises a blowing port 21, a blowing pipeline and a high-pressure air source. The air blowing port 21 is provided in the side wall of the support frame 7, specifically, in the right frame. The blowing pipeline is connected with the blowing port 21 and used for blowing high-pressure air into the blowing port 21, the high-pressure air source is arranged at the tail end of the blowing pipeline, the blowing pipeline is provided with an electromagnetic valve a used for controlling the on-off of the blowing pipeline, and the controlled end of the electromagnetic valve a is connected to the output end of the main controller.
The sucking disc 4 intercommunication is provided with sucking disc control system 5, and sucking disc control system 5 is used for controlling whether sucking disc 4 adsorbs the action, and the controlled end of sucking disc control system 5 is connected in main control unit's output.
The suction cup control system 5 includes a first connection gas path 52, a second connection gas path 57, a solenoid valve b54, and a vacuum pump 51. The first connection air path 52 is in communication with the suction cup 4, and specifically the first connection air path 52 is in communication with the vacuum chamber and the suction hole of the suction cup 4. The second connecting air passage 57 communicates with the first connecting air passage 52. The electromagnetic valve b54 is arranged between the first connecting air passage 52 and the second connecting air passage 57 and is used for controlling the on-off of the first connecting air passage 52 and the second connecting air passage 57, and the controlled end of the electromagnetic valve b54 is connected to the output end of the main controller. The vacuum pump 51 is arranged at the end of the second connecting air path 57 and used for sucking the gas inside the sucker 4 so as to ensure that the sucker 4 adsorbs the blank card core 1, and the controlled end of the vacuum pump 51 is connected to the output end of the main controller. The vacuum pump 51 is connected to the gas delivery end of the high-pressure gas source through a pipeline, an electromagnetic valve c is arranged on the pipeline and used for controlling the on-off of the pipeline, and the controlled end of the electromagnetic valve c is connected to the output end of the main controller. The high-pressure air source is used for blowing air to the second connecting air path 57, the first connecting air path 52 and the inside of the sucker 4 so as to ensure that the sucker 4 can normally release the blank certificate core 1.
The first connecting air path 52 is provided with a first filter 55, and the first filter 55 is used for filtering waste residues and paper scraps existing on the blank certificate core 1 sucked by the suction disc 4.
An air pressure sensor 53 is arranged on the second connecting air path 57 between the electromagnetic valve b54 and the vacuum pump 51, the air pressure sensor 53 is used for detecting the pressure in the suction cup 4 to judge whether the suction cup 4 sucks the blank certificate core 1, and the signal output end of the air pressure sensor 53 is connected to the input end of the main controller.
The solenoid valve b54 is a two-position three-way solenoid valve, which includes one position and two positions, the one position is used to connect the first connecting air passage 52 and the second connecting air passage 57 when power is on, the two positions are used to connect the second connecting air passage 57 to the third connecting air passage 58 when power is off, and the end of the third connecting air passage 58 is provided with the second filter 56.
The bottom of braced frame body 7 is provided with climbing mechanism 8, and climbing mechanism 8 is used for the blank card core 1 jack-up that will pile up to satisfy several blank card cores 1 at absorption in-process top and can be blown, and climbing mechanism 8's controlled end is connected in main control unit's output.
Jacking mechanism 8 of main control unit control drives blank card core stacking platform 82 and reciprocates, ensures that a plurality of bills at the blank card core 1 top that pile up on blank card core stacking platform 82 highly than the height of mouthful of blowing slightly higher, and blow mechanism can blow up a plurality of bills at blank card core 1 top promptly and be in the mutual separation state.
The jacking mechanism 8 includes a lifting motor 81. Lifting motor 81's lift end is fixed mutually with blank card core stacking platform 82, can drive blank card core stacking platform 82 and blank card core 1 and rise, and lifting motor 81's stiff end passes through the connecting plate setting in the frame.
The connection of exit slot department of braced frame 7 is provided with apart from detection device 6, and apart from detection device 6 and be used for real-time detection topmost blank card core 1 position, be used for detecting apart from between detection device 6 and the topmost blank card core 1 interval. Distance detection device 6 includes range finding module 61, and range finding module 61's output is connected in main control unit's output, and distance detection device 6 detects and feeds back this information to main control unit after the interval between topmost blank card core 1 and sucking disc 4.
The ranging module 61 adopted in the present invention is a UWB ranging module SKU603 of the SKYLAB model.
A nondestructive paper feeding method of a certificate making machine is carried out based on a nondestructive paper feeding device of the certificate making machine and comprises the following specific steps.
S1, setting a pressure value P1 of the blank card core 1 adsorbed by the suction cup 4 in the main controller, a vertical distance H of the suction cup from the highest point downwards, and a vertical distance H of the suction cup 4 which can suck the blank card core 1 in the air2Vertical design distance H from ranging module 61 to highest position of sucker 41And a vertical distance K between the distance measuring module 61 and the air blowing port 21.
Wherein, the sucking disc 4 can separate the vertical distance H of the blank certificate core 12The distance between the sucker 4 and the top of the core to be sucked is designed as a pre-designed spacing distance.
S2, on stacking the blank certificate core 1 on the blank certificate core stacking platform 82 in the supporting frame body 7 of the to-be-sorted area, the supporting frame body 7 limits the periphery and the bottom of the stacked blank certificate core 1, the blank certificate core stacking platform 82 limits the bottom of the stacked blank certificate core 1, but when the blank certificate core 1 leaves the to-be-sorted area, the blank certificate core 1 cannot be clamped, and the supporting frame body 7 is guaranteed not to damage the blank certificate core 1.
S3, arranging an air blowing port 21 on the side surface of the supporting frame body 7 at the highest position of the blank certificate core 1 to be sorted, and communicating the air blowing port 21 with a high-pressure air source through an air blowing pipeline. Blow to the mouth of blowing 21 by high-pressure air supply and produce "air cushion" between the many blank card cores 1 in order to guarantee that the blank card core 1 of pile together's top, the vacuum layer between two blank card cores 1 is damaged, forms the separation state, and then guarantees that sucking disc 4 only can adsorb one at every turn when adsorbing blank card core 1.
The distance measuring module 61 detects the vertical distance H between the distance measuring module 61 and the topmost blank certificate core 1 in real time0When the stacking height of the blank certificate core 1 is too lower or higher than the height of the air blowing port 21, the height is measured by the distance measuring module 61 and then fed back to the main controller, and the main controller controls the jacking mechanism 8 to adjust the height of the blank certificate core 1.
When K is>H0When the stacking height of the blank certificate cores 1 is higher than the height of the air blowing opening 21, the main controller is required to control the jacking mechanism 8 to lift upwards. When K is<H0When the stacking height of the blank certificate cores 1 is lower than the height of the air blowing opening 21, the main controller is required to control the jacking mechanism 8 to descend downwards.
S4, the air blowing port 21 blows air to the topmost blank certificate core 1, so that the vacuum layer between the topmost blank certificate core 1 and the blank certificate core 1 below the topmost blank certificate core 1 is damaged, and the sucking disc 4 is guaranteed to be capable of sucking only one blank certificate core 1 during sucking.
S5, the main controller controls the action of the vacuum pump 51, the main controller controls one position of the electromagnetic valve b54 to be electrified, the vacuum pump 51 sucks the air in the sucker 4 through the first connecting air path 52 and the second connecting air path 57, and the sucker 4 sucks up the blank certificate core 1 positioned at the topmost end. The first filter 55 filters the waste residue and paper dust existing on the blank certificate core 1 sucked by the suction cup 4 while the blank certificate core 1 is sucked up.
The air pressure sensor 53 provided on the second connection air passage 57 detects the pressure inside the suction cup 4 in real time, and feeds back a detection signal to the main controller. When the pressure value P2 in the suction cup 4 is detected to be greater than the pressure value P1 set in the main controller, the blank certificate core 1 is sucked up, and the next link is entered.
S6, the main controller controls the sorting mechanical arm 3 to move to the upper part of the area to be sorted, the downward moving distance of the sorting mechanical arm 3 controlled by the main controller is the downward probing vertical distance H of the suction cup from the highest point, and H = H1+H0-H2
S7, whether the information of the blank certificate core 1 is sucked by the suction disc 4 or not is acquired through the air pressure sensor 53 and fed back to the main controller, after the blank certificate core 1 is sucked by the suction disc 4, the main controller controls the sorting manipulator 3 to lift, and the main controller controls the high-pressure air blowing mechanism 2 to stop blowing air.
S8, the main controller controls the sorting manipulator 3 to drive the sucked blank certificate core 1 to move to a sorting target area.
S9, the main controller controls the electromagnetic valve c to be electrified, the high-pressure air source blows air, and the blank certificate core 1 is released because the inside of the sucking disc 4 is no longer in a vacuum state. The main controller controls the electromagnetic valve b54 to lose power, so that the air paths are switched, the first connecting air path 52 is not communicated with the second connecting air path 57, and the pipelines are communicated with the second connecting air path 57 and the third connecting air path 58.
The gas blown out from the high-pressure gas source enters the atmosphere through the pipeline, the second connecting gas path 57, the third connecting gas path 58 and the second filter 56 in sequence. The second filter 56 is provided to effectively filter the sludge and paper dust existing inside the first connecting air path 52.
At this moment, the high-pressure air blowing mechanism 2 does not output high-pressure air, the distance measurement module 61 measures the distance of the blank certificate core 1 to be sorted while the blank certificate core is still in use, and the vertical distance H between the distance measurement module 61 and the topmost blank certificate core 1 is measured3And fed back to the master controller, the master controller pair H3And judging and comparing with K.
When K is>H3When the stacking height of the blank certificate cores 1 is higher than the height of the air blowing opening 21, the main controller is required to control the jacking mechanism 8 to descend downwards. When K is<H3When the blank certificate core 1 is stacked to a height lower than the height of the air blowing port 21, the main controller is required to control the jacking mechanism 8 to jack upwards.
The main controller controls the jacking mechanism 8 to adjust the height of the blank certificate core stacking platform 82 so as to ensure that the top several blank certificate cores 1 are higher than the air blowing port 21.
In step S6, the suction cup 4 is an antistatic suction cup, and the suction amount of the suction cup 4 is greater than 30L/Min. The vacuum pressure in the sucking disc 4 is more than 90Kpa when the sucking disc 4 sucks the blank certificate core 1.
The automatic paper sorting machine is wide in range of raw materials suitable for sorted certificates, a high-pressure air blowing mechanism is arranged on one side of the supporting frame body, a separated separation state is formed among a plurality of blank certificate cores on the top of the stacked blank certificate cores, and therefore only one blank certificate core can be sucked when the sorting manipulator drives the sucking disc to act, the sucked blank certificate cores cannot collide, bending is avoided, safe sorting of the blank certificate cores is achieved, and completeness of certificates after certificate making is guaranteed.

Claims (4)

1. A nondestructive paper feeding device of a certificate making machine comprises a main controller used for controlling the whole operation of the device, a sorting mechanical arm (3) used for moving under the control of the main controller, and a sucker (4) arranged at the bottom end of the sorting mechanical arm (3) and used for adsorbing a blank certificate core (1), wherein the controlled end of the sorting mechanical arm (3) is connected to the output end of the main controller; the method is characterized in that: the device is characterized in that a supporting frame body (7) used for containing the blank certificate cores (1) stacked up and down and limiting the peripheries of the blank certificate cores (1) and a blank certificate core stacking platform (82) arranged in the supporting frame body (7) and used for limiting the bottoms of the blank certificate cores (1) are arranged below the sucker (4), the horizontal section of the blank certificate core stacking platform (82) is larger than the area of the blank certificate cores (1), one side of the supporting frame body (7) is provided with a high-pressure air-separation blowing mechanism (2) used for blowing horizontal high-pressure air into the stacked blank certificate cores (1) so as to form a separated state between a plurality of blank certificate cores (1) at the top, the bottom of the supporting frame body (7) is provided with a jacking mechanism (8) used for jacking the stacked blank certificate cores (1) and the blank certificate core stacking platform (82) to meet the requirement that a plurality of blank certificate cores (1) at the top can be blown up in the adsorption process, controlled ends of the jacking mechanism (8) and the high-pressure blowing mechanism (2) are respectively connected with the output end of the main controller; the sucker (4) is communicated with a sucker control system (5) for controlling whether the sucker (4) performs the adsorption action, and the controlled end of the sucker control system (5) is connected to the output end of the main controller;
the high-pressure blowing mechanism (2) comprises a blowing port (21) arranged on the side wall of the supporting frame body (7), a blowing pipeline connected with the blowing port (21) and used for blowing high-pressure air into the blowing port (21), and a high-pressure air source arranged at the tail end of the blowing pipeline, wherein an electromagnetic valve a used for controlling the on-off of the blowing pipeline is arranged on the blowing pipeline, and the controlled end of the electromagnetic valve a is connected to the output end of the main controller;
the sucker control system (5) comprises a first connecting air path (52) communicated with the sucker (4), a second connecting air path (57) communicated with the first connecting air path (52), an electromagnetic valve b (54) arranged between the first connecting air path (52) and the second connecting air path (57) and used for controlling the connection and disconnection between the first connecting air path (52) and the second connecting air path (57), and a vacuum pump (51) arranged at the tail end of the second connecting air path (57) and used for sucking the air in the sucker (4) to ensure that the sucker (4) adsorbs the blank certificate core (1), wherein the controlled ends of the electromagnetic valve b (54) and the vacuum pump (51) are respectively connected to the output end of the main controller; the vacuum pump (51) is connected to a gas transmission end of a high-pressure gas source through a pipeline, an electromagnetic valve c for controlling the on-off of the pipeline is arranged on the pipeline, a controlled end of the electromagnetic valve c is connected to an output end of the main controller, and the high-pressure gas source is used for blowing gas into the second connecting gas path (57), the first connecting gas path (52) and the sucker (4) so as to ensure that the sucker (4) releases the blank certificate core (1);
the first connecting air path (52) is provided with a first filter (55) for filtering waste residues and paper scraps existing on the blank certificate core (1) sucked by the sucker (4);
the electromagnetic valve b (54) is a two-position three-way electromagnetic valve, the two-position three-way electromagnetic valve comprises a first position used for enabling the first connecting air path (52) to be communicated with the second connecting air path (57) when power is on and a second position used for enabling the second connecting air path (57) to be communicated with the third connecting air path (58) when power is off, and a second filter (56) is arranged at the tail end of the third connecting air path (58); gas blown out by the high-pressure gas source enters the atmosphere through a pipeline, a second connecting gas circuit (57), a third connecting gas circuit (58) and a second filter (56) in sequence; the second filter (56) is arranged to effectively filter the waste slag and the paper scrap existing in the first connecting air path (52);
and an air pressure sensor (53) for detecting the pressure in the sucker (4) to judge whether the sucker (4) sucks the blank certificate core (1) or not is arranged on a second connecting air path (57) between the electromagnetic valve b (54) and the vacuum pump (51), and the signal output end of the air pressure sensor (53) is connected with the input end of the main controller.
2. The nondestructive paper feeding device of a certificate making machine according to claim 1, characterized in that: the paper outlet department of braced frame body (7) connects and is provided with distance detection device (6) that are used for the blank card core (1) position of real-time detection topmost, and distance detection device (6) are including range finding module (61), and the output of range finding module (61) is connected in main control unit's output.
3. A nondestructive paper feeding method of a certificate making machine is characterized in that: the method is carried out based on the nondestructive paper feeding device of the certificate making machine as claimed in any one of claims 1 to 2, and comprises the following specific steps:
s1, setting a pressure value P1 of the blank certificate core (1) adsorbed by the suction cup (4) in the main controller, a downward probing vertical distance H from the highest point of the suction cup, and a vertical distance H of the blank certificate core (1) sucked by the suction cup (4) in a spaced manner2The vertical design distance H from the ranging module (61) to the highest position of the sucker (4)1The vertical distance K between the distance measuring module (61) and the air blowing port (21);
s2, stacking the blank certificate cores (1) on a blank certificate core stacking platform (82) in a supporting frame body (7) of a to-be-sorted area, limiting the periphery and the bottom of the stacked blank certificate cores (1) by the supporting frame body (7), limiting the bottom of the stacked blank certificate cores (1) by the blank certificate core stacking platform (82), and preventing the blank certificate cores (1) from being clamped when the blank certificate cores (1) leave the to-be-sorted area;
s3, arranging an air blowing port (21) on the side surface of the supporting frame body (7) at the highest position of the blank certificate core (1) to be sorted, and communicating the air blowing port (21) with a high-pressure air source through an air blowing pipeline; blowing air to the air blowing port (21) by a high-pressure air source to ensure that air cushions are generated among a plurality of blank certificate cores (1) on the top of the stacked blank certificate cores (1) to form an isolated separation state;
the distance measurement module (61) detects the vertical distance H between the distance measurement module (61) and the topmost blank certificate core (1) in real time0When the stacking height of the blank certificate cores (1) is lower than or higher than the height of the air blowing port (21), the height is measured through the distance measuring module (61) and then fed back to the main controller, and the main controller controls the jacking mechanism (8) to adjust the height of the blank certificate cores (1);
s4, blowing the topmost blank certificate core (1) through the action of the air blowing port (21), so that a vacuum layer between the topmost blank certificate core (1) and the blank certificate core (1) below the topmost blank certificate core (1) is damaged, and the condition that only one blank certificate core (1) can be adsorbed when the sucking disc (4) adsorbs the blank certificate core is ensured;
s5, the main controller controls the action of the vacuum pump (51), the main controller controls one position of the electromagnetic valve b (54) to be electrified, the vacuum pump (51) sucks air in the sucker (4) through the first connecting air path (52) and the second connecting air path (57), and the sucker (4) sucks up the blank certificate core (1) positioned at the topmost end;
s6, the main controller controls the sorting manipulator (3) to move to the upper part of the area to be sorted, the main controller controls the downward moving distance of the sorting manipulator (3) to be the downward probing vertical distance H of the sucking disc from the highest point, and H = H1+H0-H2
S7, acquiring information whether the suction disc (4) sucks the blank certificate core (1) through the air pressure sensor (53) and feeding the information back to the main controller, wherein after the suction disc (4) sucks the blank certificate core (1), the main controller controls the sorting manipulator (3) to lift up, and the main controller controls the high-pressure blowing mechanism (2) to stop blowing air;
s8, the main controller controls the sorting manipulator (3) to drive the sucked blank certificate core (1) to move to a sorting target area;
s9, the main controller controls the solenoid valve c to be powered on, the high-pressure air source blows air, the sucking disc (4) releases the blank certificate core (1), the main controller controls the solenoid valve b (54) to be powered off, and air blown out by the high-pressure air source enters the atmosphere through the pipeline, the second connecting air path (57), the third connecting air path (58) and the second filter (56) in sequence;
at the moment, the high-pressure air blowing mechanism (2) does not output high-pressure air, the distance measurement module (61) measures the distance of the blank certificate core (1) to be sorted on the spot, and the vertical distance H between the distance measurement module (61) and the topmost blank certificate core (1) is measured3And fed back to the master controller, the master controller pair H3Judging and comparing with K;
the main controller controls the jacking mechanism (8) to adjust the height of the blank certificate core stacking platform (82) so as to ensure that a plurality of blank certificate cores (1) on the top are higher than the air blowing port (21);
in step S6, the air pressure sensor (53) arranged on the second connecting air path (57) detects the pressure condition in the sucker (4) in real time and feeds back a detection signal to the main controller; when detecting that the pressure value P2 in the sucker (4) is larger than the pressure value P1 set in the main controller, performing the operation of the step S6;
in the step S6, the sucker (4) is an antistatic sucker, and the air suction amount of the sucker (4) is more than 30L/Min.
4. The method of claim 3, wherein the method comprises: in the step S6, the vacuum pressure in the sucking disc (4) is more than 90Kpa when the sucking disc (4) sucks the blank certificate core (1).
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